| File: | Xext/sync.c |
| Location: | line 1505, column 18 |
| Description: | Dereference of null pointer |
| 1 | /* | |||
| 2 | ||||
| 3 | Copyright 1991, 1993, 1998 The Open Group | |||
| 4 | ||||
| 5 | Permission to use, copy, modify, distribute, and sell this software and its | |||
| 6 | documentation for any purpose is hereby granted without fee, provided that | |||
| 7 | the above copyright notice appear in all copies and that both that | |||
| 8 | copyright notice and this permission notice appear in supporting | |||
| 9 | documentation. | |||
| 10 | ||||
| 11 | The above copyright notice and this permission notice shall be included | |||
| 12 | in all copies or substantial portions of the Software. | |||
| 13 | ||||
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |||
| 15 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |||
| 16 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |||
| 17 | IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR | |||
| 18 | OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |||
| 19 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |||
| 20 | OTHER DEALINGS IN THE SOFTWARE. | |||
| 21 | ||||
| 22 | Except as contained in this notice, the name of The Open Group shall | |||
| 23 | not be used in advertising or otherwise to promote the sale, use or | |||
| 24 | other dealings in this Software without prior written authorization | |||
| 25 | from The Open Group. | |||
| 26 | ||||
| 27 | Copyright 1991, 1993 by Digital Equipment Corporation, Maynard, Massachusetts, | |||
| 28 | and Olivetti Research Limited, Cambridge, England. | |||
| 29 | ||||
| 30 | All Rights Reserved | |||
| 31 | ||||
| 32 | Permission to use, copy, modify, and distribute this software and its | |||
| 33 | documentation for any purpose and without fee is hereby granted, | |||
| 34 | provided that the above copyright notice appear in all copies and that | |||
| 35 | both that copyright notice and this permission notice appear in | |||
| 36 | supporting documentation, and that the names of Digital or Olivetti | |||
| 37 | not be used in advertising or publicity pertaining to distribution of the | |||
| 38 | software without specific, written prior permission. Digital and Olivetti | |||
| 39 | make no representations about the suitability of this software | |||
| 40 | for any purpose. It is provided "as is" without express or implied warranty. | |||
| 41 | ||||
| 42 | DIGITAL AND OLIVETTI DISCLAIM ALL WARRANTIES WITH REGARD TO THIS | |||
| 43 | SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND | |||
| 44 | FITNESS, IN NO EVENT SHALL THEY BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |||
| 45 | CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF | |||
| 46 | USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR | |||
| 47 | OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |||
| 48 | PERFORMANCE OF THIS SOFTWARE. | |||
| 49 | ||||
| 50 | */ | |||
| 51 | ||||
| 52 | #ifdef HAVE_DIX_CONFIG_H1 | |||
| 53 | #include <dix-config.h> | |||
| 54 | #endif | |||
| 55 | ||||
| 56 | #include <string.h> | |||
| 57 | ||||
| 58 | #include <X11/X.h> | |||
| 59 | #include <X11/Xproto.h> | |||
| 60 | #include <X11/Xmd.h> | |||
| 61 | #include "scrnintstr.h" | |||
| 62 | #include "os.h" | |||
| 63 | #include "extnsionst.h" | |||
| 64 | #include "dixstruct.h" | |||
| 65 | #include "pixmapstr.h" | |||
| 66 | #include "resource.h" | |||
| 67 | #include "opaque.h" | |||
| 68 | #include <X11/extensions/syncproto.h> | |||
| 69 | #include "syncsrv.h" | |||
| 70 | #include "syncsdk.h" | |||
| 71 | #include "protocol-versions.h" | |||
| 72 | #include "inputstr.h" | |||
| 73 | ||||
| 74 | #include <stdio.h> | |||
| 75 | #if !defined(WIN32) | |||
| 76 | #include <sys/time.h> | |||
| 77 | #endif | |||
| 78 | ||||
| 79 | #include "extinit.h" | |||
| 80 | ||||
| 81 | /* | |||
| 82 | * Local Global Variables | |||
| 83 | */ | |||
| 84 | static int SyncEventBase; | |||
| 85 | static int SyncErrorBase; | |||
| 86 | static RESTYPE RTCounter = 0; | |||
| 87 | static RESTYPE RTAwait; | |||
| 88 | static RESTYPE RTAlarm; | |||
| 89 | static RESTYPE RTAlarmClient; | |||
| 90 | static RESTYPE RTFence; | |||
| 91 | static struct xorg_list SysCounterList; | |||
| 92 | static int SyncNumInvalidCounterWarnings = 0; | |||
| 93 | ||||
| 94 | #define MAX_INVALID_COUNTER_WARNINGS5 5 | |||
| 95 | ||||
| 96 | static const char *WARN_INVALID_COUNTER_COMPARE = | |||
| 97 | "Warning: Non-counter XSync object using Counter-only\n" | |||
| 98 | " comparison. Result will never be true.\n"; | |||
| 99 | ||||
| 100 | static const char *WARN_INVALID_COUNTER_ALARM = | |||
| 101 | "Warning: Non-counter XSync object used in alarm. This is\n" | |||
| 102 | " the result of a programming error in the X server.\n"; | |||
| 103 | ||||
| 104 | #define IsSystemCounter(pCounter)(pCounter && (pCounter->sync.client == ((void*)0)) ) \ | |||
| 105 | (pCounter && (pCounter->sync.client == NULL((void*)0))) | |||
| 106 | ||||
| 107 | /* these are all the alarm attributes that pertain to the alarm's trigger */ | |||
| 108 | #define XSyncCAAllTrigger((1L<<0) | (1L<<1) | (1L<<2) | (1L<<3 )) \ | |||
| 109 | (XSyncCACounter(1L<<0) | XSyncCAValueType(1L<<1) | XSyncCAValue(1L<<2) | XSyncCATestType(1L<<3)) | |||
| 110 | ||||
| 111 | static void SyncComputeBracketValues(SyncCounter *); | |||
| 112 | ||||
| 113 | static void SyncInitServerTime(void); | |||
| 114 | ||||
| 115 | static void SyncInitIdleTime(void); | |||
| 116 | ||||
| 117 | static inline void* | |||
| 118 | SysCounterGetPrivate(SyncCounter *counter) | |||
| 119 | { | |||
| 120 | BUG_WARN(!IsSystemCounter(counter))do { if (!(counter && (counter->sync.client == ((void *)0)))) { ErrorFSigSafe("BUG: triggered 'if (" "!(counter && (counter->sync.client == ((void*)0)))" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "sync.c", 120 , __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); | |||
| 121 | ||||
| 122 | return counter->pSysCounterInfo ? counter->pSysCounterInfo->private : NULL((void*)0); | |||
| 123 | } | |||
| 124 | ||||
| 125 | static Bool | |||
| 126 | SyncCheckWarnIsCounter(const SyncObject * pSync, const char *warning) | |||
| 127 | { | |||
| 128 | if (pSync && (SYNC_COUNTER0 != pSync->type)) { | |||
| 129 | if (SyncNumInvalidCounterWarnings++ < MAX_INVALID_COUNTER_WARNINGS5) { | |||
| 130 | ErrorF("%s", warning); | |||
| 131 | ErrorF(" Counter type: %d\n", pSync->type); | |||
| 132 | } | |||
| 133 | ||||
| 134 | return FALSE0; | |||
| 135 | } | |||
| 136 | ||||
| 137 | return TRUE1; | |||
| 138 | } | |||
| 139 | ||||
| 140 | /* Each counter maintains a simple linked list of triggers that are | |||
| 141 | * interested in the counter. The two functions below are used to | |||
| 142 | * delete and add triggers on this list. | |||
| 143 | */ | |||
| 144 | void | |||
| 145 | SyncDeleteTriggerFromSyncObject(SyncTrigger * pTrigger) | |||
| 146 | { | |||
| 147 | SyncTriggerList *pCur; | |||
| 148 | SyncTriggerList *pPrev; | |||
| 149 | SyncCounter *pCounter; | |||
| 150 | ||||
| 151 | /* pSync needs to be stored in pTrigger before calling here. */ | |||
| 152 | ||||
| 153 | if (!pTrigger->pSync) | |||
| 154 | return; | |||
| 155 | ||||
| 156 | pPrev = NULL((void*)0); | |||
| 157 | pCur = pTrigger->pSync->pTriglist; | |||
| 158 | ||||
| 159 | while (pCur) { | |||
| 160 | if (pCur->pTrigger == pTrigger) { | |||
| 161 | if (pPrev) | |||
| 162 | pPrev->next = pCur->next; | |||
| 163 | else | |||
| 164 | pTrigger->pSync->pTriglist = pCur->next; | |||
| 165 | ||||
| 166 | free(pCur); | |||
| 167 | break; | |||
| 168 | } | |||
| 169 | ||||
| 170 | pPrev = pCur; | |||
| 171 | pCur = pCur->next; | |||
| 172 | } | |||
| 173 | ||||
| 174 | if (SYNC_COUNTER0 == pTrigger->pSync->type) { | |||
| 175 | pCounter = (SyncCounter *) pTrigger->pSync; | |||
| 176 | ||||
| 177 | if (IsSystemCounter(pCounter)(pCounter && (pCounter->sync.client == ((void*)0)) )) | |||
| 178 | SyncComputeBracketValues(pCounter); | |||
| 179 | } | |||
| 180 | else if (SYNC_FENCE1 == pTrigger->pSync->type) { | |||
| 181 | SyncFence *pFence = (SyncFence *) pTrigger->pSync; | |||
| 182 | ||||
| 183 | pFence->funcs.DeleteTrigger(pTrigger); | |||
| 184 | } | |||
| 185 | } | |||
| 186 | ||||
| 187 | int | |||
| 188 | SyncAddTriggerToSyncObject(SyncTrigger * pTrigger) | |||
| 189 | { | |||
| 190 | SyncTriggerList *pCur; | |||
| 191 | SyncCounter *pCounter; | |||
| 192 | ||||
| 193 | if (!pTrigger->pSync) | |||
| 194 | return Success0; | |||
| 195 | ||||
| 196 | /* don't do anything if it's already there */ | |||
| 197 | for (pCur = pTrigger->pSync->pTriglist; pCur; pCur = pCur->next) { | |||
| 198 | if (pCur->pTrigger == pTrigger) | |||
| 199 | return Success0; | |||
| 200 | } | |||
| 201 | ||||
| 202 | if (!(pCur = malloc(sizeof(SyncTriggerList)))) | |||
| 203 | return BadAlloc11; | |||
| 204 | ||||
| 205 | pCur->pTrigger = pTrigger; | |||
| 206 | pCur->next = pTrigger->pSync->pTriglist; | |||
| 207 | pTrigger->pSync->pTriglist = pCur; | |||
| 208 | ||||
| 209 | if (SYNC_COUNTER0 == pTrigger->pSync->type) { | |||
| 210 | pCounter = (SyncCounter *) pTrigger->pSync; | |||
| 211 | ||||
| 212 | if (IsSystemCounter(pCounter)(pCounter && (pCounter->sync.client == ((void*)0)) )) | |||
| 213 | SyncComputeBracketValues(pCounter); | |||
| 214 | } | |||
| 215 | else if (SYNC_FENCE1 == pTrigger->pSync->type) { | |||
| 216 | SyncFence *pFence = (SyncFence *) pTrigger->pSync; | |||
| 217 | ||||
| 218 | pFence->funcs.AddTrigger(pTrigger); | |||
| 219 | } | |||
| 220 | ||||
| 221 | return Success0; | |||
| 222 | } | |||
| 223 | ||||
| 224 | /* Below are five possible functions that can be plugged into | |||
| 225 | * pTrigger->CheckTrigger for counter sync objects, corresponding to | |||
| 226 | * the four possible test-types, and the one possible function that | |||
| 227 | * can be plugged into pTrigger->CheckTrigger for fence sync objects. | |||
| 228 | * These functions are called after the sync object's state changes | |||
| 229 | * but are also passed the old state so they can inspect both the old | |||
| 230 | * and new values. (PositiveTransition and NegativeTransition need to | |||
| 231 | * see both pieces of information.) These functions return the truth | |||
| 232 | * value of the trigger. | |||
| 233 | * | |||
| 234 | * All of them include the condition pTrigger->pSync == NULL. | |||
| 235 | * This is because the spec says that a trigger with a sync value | |||
| 236 | * of None is always TRUE. | |||
| 237 | */ | |||
| 238 | ||||
| 239 | static Bool | |||
| 240 | SyncCheckTriggerPositiveComparison(SyncTrigger * pTrigger, CARD64XSyncValue oldval) | |||
| 241 | { | |||
| 242 | SyncCounter *pCounter; | |||
| 243 | ||||
| 244 | /* Non-counter sync objects should never get here because they | |||
| 245 | * never trigger this comparison. */ | |||
| 246 | if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE)) | |||
| 247 | return FALSE0; | |||
| 248 | ||||
| 249 | pCounter = (SyncCounter *) pTrigger->pSync; | |||
| 250 | ||||
| 251 | return (pCounter == NULL((void*)0) || | |||
| 252 | XSyncValueGreaterOrEqual(pCounter->value, pTrigger->test_value)((pCounter->value).hi>(pTrigger->test_value).hi || ( (pCounter->value).hi==(pTrigger->test_value).hi && (pCounter->value).lo>=(pTrigger->test_value).lo))); | |||
| 253 | } | |||
| 254 | ||||
| 255 | static Bool | |||
| 256 | SyncCheckTriggerNegativeComparison(SyncTrigger * pTrigger, CARD64XSyncValue oldval) | |||
| 257 | { | |||
| 258 | SyncCounter *pCounter; | |||
| 259 | ||||
| 260 | /* Non-counter sync objects should never get here because they | |||
| 261 | * never trigger this comparison. */ | |||
| 262 | if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE)) | |||
| 263 | return FALSE0; | |||
| 264 | ||||
| 265 | pCounter = (SyncCounter *) pTrigger->pSync; | |||
| 266 | ||||
| 267 | return (pCounter == NULL((void*)0) || | |||
| 268 | XSyncValueLessOrEqual(pCounter->value, pTrigger->test_value)((pCounter->value).hi<(pTrigger->test_value).hi || ( (pCounter->value).hi==(pTrigger->test_value).hi && (pCounter->value).lo<=(pTrigger->test_value).lo))); | |||
| 269 | } | |||
| 270 | ||||
| 271 | static Bool | |||
| 272 | SyncCheckTriggerPositiveTransition(SyncTrigger * pTrigger, CARD64XSyncValue oldval) | |||
| 273 | { | |||
| 274 | SyncCounter *pCounter; | |||
| 275 | ||||
| 276 | /* Non-counter sync objects should never get here because they | |||
| 277 | * never trigger this comparison. */ | |||
| 278 | if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE)) | |||
| 279 | return FALSE0; | |||
| 280 | ||||
| 281 | pCounter = (SyncCounter *) pTrigger->pSync; | |||
| 282 | ||||
| 283 | return (pCounter == NULL((void*)0) || | |||
| 284 | (XSyncValueLessThan(oldval, pTrigger->test_value)((oldval).hi<(pTrigger->test_value).hi || ((oldval).hi== (pTrigger->test_value).hi && (oldval).lo<(pTrigger ->test_value).lo)) && | |||
| 285 | XSyncValueGreaterOrEqual(pCounter->value, pTrigger->test_value)((pCounter->value).hi>(pTrigger->test_value).hi || ( (pCounter->value).hi==(pTrigger->test_value).hi && (pCounter->value).lo>=(pTrigger->test_value).lo)))); | |||
| 286 | } | |||
| 287 | ||||
| 288 | static Bool | |||
| 289 | SyncCheckTriggerNegativeTransition(SyncTrigger * pTrigger, CARD64XSyncValue oldval) | |||
| 290 | { | |||
| 291 | SyncCounter *pCounter; | |||
| 292 | ||||
| 293 | /* Non-counter sync objects should never get here because they | |||
| 294 | * never trigger this comparison. */ | |||
| 295 | if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE)) | |||
| 296 | return FALSE0; | |||
| 297 | ||||
| 298 | pCounter = (SyncCounter *) pTrigger->pSync; | |||
| 299 | ||||
| 300 | return (pCounter == NULL((void*)0) || | |||
| 301 | (XSyncValueGreaterThan(oldval, pTrigger->test_value)((oldval).hi>(pTrigger->test_value).hi || ((oldval).hi== (pTrigger->test_value).hi && (oldval).lo>(pTrigger ->test_value).lo)) && | |||
| 302 | XSyncValueLessOrEqual(pCounter->value, pTrigger->test_value)((pCounter->value).hi<(pTrigger->test_value).hi || ( (pCounter->value).hi==(pTrigger->test_value).hi && (pCounter->value).lo<=(pTrigger->test_value).lo)))); | |||
| 303 | } | |||
| 304 | ||||
| 305 | static Bool | |||
| 306 | SyncCheckTriggerFence(SyncTrigger * pTrigger, CARD64XSyncValue unused) | |||
| 307 | { | |||
| 308 | SyncFence *pFence = (SyncFence *) pTrigger->pSync; | |||
| 309 | ||||
| 310 | (void) unused; | |||
| 311 | ||||
| 312 | return (pFence == NULL((void*)0) || pFence->funcs.CheckTriggered(pFence)); | |||
| 313 | } | |||
| 314 | ||||
| 315 | static int | |||
| 316 | SyncInitTrigger(ClientPtr client, SyncTrigger * pTrigger, XID syncObject, | |||
| 317 | RESTYPE resType, Mask changes) | |||
| 318 | { | |||
| 319 | SyncObject *pSync = pTrigger->pSync; | |||
| 320 | SyncCounter *pCounter = NULL((void*)0); | |||
| 321 | int rc; | |||
| 322 | Bool newSyncObject = FALSE0; | |||
| 323 | ||||
| 324 | if (changes & XSyncCACounter(1L<<0)) { | |||
| 325 | if (syncObject == None0L) | |||
| 326 | pSync = NULL((void*)0); | |||
| 327 | else if (Success0 != (rc = dixLookupResourceByType((void **) &pSync, | |||
| 328 | syncObject, resType, | |||
| 329 | client, | |||
| 330 | DixReadAccess(1<<0)))) { | |||
| 331 | client->errorValue = syncObject; | |||
| 332 | return rc; | |||
| 333 | } | |||
| 334 | if (pSync != pTrigger->pSync) { /* new counter for trigger */ | |||
| 335 | SyncDeleteTriggerFromSyncObject(pTrigger); | |||
| 336 | pTrigger->pSync = pSync; | |||
| 337 | newSyncObject = TRUE1; | |||
| 338 | } | |||
| 339 | } | |||
| 340 | ||||
| 341 | /* if system counter, ask it what the current value is */ | |||
| 342 | ||||
| 343 | if (pSync && SYNC_COUNTER0 == pSync->type) { | |||
| 344 | pCounter = (SyncCounter *) pSync; | |||
| 345 | ||||
| 346 | if (IsSystemCounter(pCounter)(pCounter && (pCounter->sync.client == ((void*)0)) )) { | |||
| 347 | (*pCounter->pSysCounterInfo->QueryValue) ((void *) pCounter, | |||
| 348 | &pCounter->value); | |||
| 349 | } | |||
| 350 | } | |||
| 351 | ||||
| 352 | if (changes & XSyncCAValueType(1L<<1)) { | |||
| 353 | if (pTrigger->value_type != XSyncRelative && | |||
| 354 | pTrigger->value_type != XSyncAbsolute) { | |||
| 355 | client->errorValue = pTrigger->value_type; | |||
| 356 | return BadValue2; | |||
| 357 | } | |||
| 358 | } | |||
| 359 | ||||
| 360 | if (changes & XSyncCATestType(1L<<3)) { | |||
| 361 | ||||
| 362 | if (pSync && SYNC_FENCE1 == pSync->type) { | |||
| 363 | pTrigger->CheckTrigger = SyncCheckTriggerFence; | |||
| 364 | } | |||
| 365 | else { | |||
| 366 | /* select appropriate CheckTrigger function */ | |||
| 367 | ||||
| 368 | switch (pTrigger->test_type) { | |||
| 369 | case XSyncPositiveTransition: | |||
| 370 | pTrigger->CheckTrigger = SyncCheckTriggerPositiveTransition; | |||
| 371 | break; | |||
| 372 | case XSyncNegativeTransition: | |||
| 373 | pTrigger->CheckTrigger = SyncCheckTriggerNegativeTransition; | |||
| 374 | break; | |||
| 375 | case XSyncPositiveComparison: | |||
| 376 | pTrigger->CheckTrigger = SyncCheckTriggerPositiveComparison; | |||
| 377 | break; | |||
| 378 | case XSyncNegativeComparison: | |||
| 379 | pTrigger->CheckTrigger = SyncCheckTriggerNegativeComparison; | |||
| 380 | break; | |||
| 381 | default: | |||
| 382 | client->errorValue = pTrigger->test_type; | |||
| 383 | return BadValue2; | |||
| 384 | } | |||
| 385 | } | |||
| 386 | } | |||
| 387 | ||||
| 388 | if (changes & (XSyncCAValueType(1L<<1) | XSyncCAValue(1L<<2))) { | |||
| 389 | if (pTrigger->value_type == XSyncAbsolute) | |||
| 390 | pTrigger->test_value = pTrigger->wait_value; | |||
| 391 | else { /* relative */ | |||
| 392 | ||||
| 393 | Bool overflow; | |||
| 394 | ||||
| 395 | if (pCounter == NULL((void*)0)) | |||
| 396 | return BadMatch8; | |||
| 397 | ||||
| 398 | XSyncValueAdd(&pTrigger->test_value, pCounter->value,{ int t = (pCounter->value).lo; Bool signa = (((pCounter-> value).hi & 0x80000000) ? 1 : 0); Bool signb = (((pTrigger ->wait_value).hi & 0x80000000) ? 1 : 0); ((&pTrigger ->test_value)->lo = (pCounter->value).lo + (pTrigger ->wait_value).lo); ((&pTrigger->test_value)->hi = (pCounter->value).hi + (pTrigger->wait_value).hi); if ( t>(&pTrigger->test_value)->lo) (&pTrigger-> test_value)->hi++; *&overflow = ((signa == signb) && !(signa == (((*&pTrigger->test_value).hi & 0x80000000 ) ? 1 : 0))); } | |||
| 399 | pTrigger->wait_value, &overflow){ int t = (pCounter->value).lo; Bool signa = (((pCounter-> value).hi & 0x80000000) ? 1 : 0); Bool signb = (((pTrigger ->wait_value).hi & 0x80000000) ? 1 : 0); ((&pTrigger ->test_value)->lo = (pCounter->value).lo + (pTrigger ->wait_value).lo); ((&pTrigger->test_value)->hi = (pCounter->value).hi + (pTrigger->wait_value).hi); if ( t>(&pTrigger->test_value)->lo) (&pTrigger-> test_value)->hi++; *&overflow = ((signa == signb) && !(signa == (((*&pTrigger->test_value).hi & 0x80000000 ) ? 1 : 0))); }; | |||
| 400 | if (overflow) { | |||
| 401 | client->errorValue = XSyncValueHigh32(pTrigger->wait_value)((pTrigger->wait_value).hi); | |||
| 402 | return BadValue2; | |||
| 403 | } | |||
| 404 | } | |||
| 405 | } | |||
| 406 | ||||
| 407 | /* we wait until we're sure there are no errors before registering | |||
| 408 | * a new counter on a trigger | |||
| 409 | */ | |||
| 410 | if (newSyncObject) { | |||
| 411 | if ((rc = SyncAddTriggerToSyncObject(pTrigger)) != Success0) | |||
| 412 | return rc; | |||
| 413 | } | |||
| 414 | else if (pCounter && IsSystemCounter(pCounter)(pCounter && (pCounter->sync.client == ((void*)0)) )) { | |||
| 415 | SyncComputeBracketValues(pCounter); | |||
| 416 | } | |||
| 417 | ||||
| 418 | return Success0; | |||
| 419 | } | |||
| 420 | ||||
| 421 | /* AlarmNotify events happen in response to actions taken on an Alarm or | |||
| 422 | * the counter used by the alarm. AlarmNotify may be sent to multiple | |||
| 423 | * clients. The alarm maintains a list of clients interested in events. | |||
| 424 | */ | |||
| 425 | static void | |||
| 426 | SyncSendAlarmNotifyEvents(SyncAlarm * pAlarm) | |||
| 427 | { | |||
| 428 | SyncAlarmClientList *pcl; | |||
| 429 | xSyncAlarmNotifyEvent ane; | |||
| 430 | SyncTrigger *pTrigger = &pAlarm->trigger; | |||
| 431 | SyncCounter *pCounter; | |||
| 432 | ||||
| 433 | if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_ALARM)) | |||
| 434 | return; | |||
| 435 | ||||
| 436 | pCounter = (SyncCounter *) pTrigger->pSync; | |||
| 437 | ||||
| 438 | UpdateCurrentTime(); | |||
| 439 | ||||
| 440 | ane = (xSyncAlarmNotifyEvent) { | |||
| 441 | .type = SyncEventBase + XSyncAlarmNotify1, | |||
| 442 | .kind = XSyncAlarmNotify1, | |||
| 443 | .alarm = pAlarm->alarm_id, | |||
| 444 | .alarm_value_hi = XSyncValueHigh32(pTrigger->test_value)((pTrigger->test_value).hi), | |||
| 445 | .alarm_value_lo = XSyncValueLow32(pTrigger->test_value)((pTrigger->test_value).lo), | |||
| 446 | .time = currentTime.milliseconds, | |||
| 447 | .state = pAlarm->state | |||
| 448 | }; | |||
| 449 | ||||
| 450 | if (pTrigger->pSync && SYNC_COUNTER0 == pTrigger->pSync->type) { | |||
| 451 | ane.counter_value_hi = XSyncValueHigh32(pCounter->value)((pCounter->value).hi); | |||
| 452 | ane.counter_value_lo = XSyncValueLow32(pCounter->value)((pCounter->value).lo); | |||
| 453 | } | |||
| 454 | else { | |||
| 455 | /* XXX what else can we do if there's no counter? */ | |||
| 456 | ane.counter_value_hi = ane.counter_value_lo = 0; | |||
| 457 | } | |||
| 458 | ||||
| 459 | /* send to owner */ | |||
| 460 | if (pAlarm->events) | |||
| 461 | WriteEventsToClient(pAlarm->client, 1, (xEvent *) &ane); | |||
| 462 | ||||
| 463 | /* send to other interested clients */ | |||
| 464 | for (pcl = pAlarm->pEventClients; pcl; pcl = pcl->next) | |||
| 465 | WriteEventsToClient(pcl->client, 1, (xEvent *) &ane); | |||
| 466 | } | |||
| 467 | ||||
| 468 | /* CounterNotify events only occur in response to an Await. The events | |||
| 469 | * go only to the Awaiting client. | |||
| 470 | */ | |||
| 471 | static void | |||
| 472 | SyncSendCounterNotifyEvents(ClientPtr client, SyncAwait ** ppAwait, | |||
| 473 | int num_events) | |||
| 474 | { | |||
| 475 | xSyncCounterNotifyEvent *pEvents, *pev; | |||
| 476 | int i; | |||
| 477 | ||||
| 478 | if (client->clientGone) | |||
| 479 | return; | |||
| 480 | pev = pEvents = calloc(num_events, sizeof(xSyncCounterNotifyEvent)); | |||
| 481 | if (!pEvents) | |||
| 482 | return; | |||
| 483 | UpdateCurrentTime(); | |||
| 484 | for (i = 0; i < num_events; i++, ppAwait++, pev++) { | |||
| 485 | SyncTrigger *pTrigger = &(*ppAwait)->trigger; | |||
| 486 | ||||
| 487 | pev->type = SyncEventBase + XSyncCounterNotify0; | |||
| 488 | pev->kind = XSyncCounterNotify0; | |||
| 489 | pev->counter = pTrigger->pSync->id; | |||
| 490 | pev->wait_value_lo = XSyncValueLow32(pTrigger->test_value)((pTrigger->test_value).lo); | |||
| 491 | pev->wait_value_hi = XSyncValueHigh32(pTrigger->test_value)((pTrigger->test_value).hi); | |||
| 492 | if (SYNC_COUNTER0 == pTrigger->pSync->type) { | |||
| 493 | SyncCounter *pCounter = (SyncCounter *) pTrigger->pSync; | |||
| 494 | ||||
| 495 | pev->counter_value_lo = XSyncValueLow32(pCounter->value)((pCounter->value).lo); | |||
| 496 | pev->counter_value_hi = XSyncValueHigh32(pCounter->value)((pCounter->value).hi); | |||
| 497 | } | |||
| 498 | else { | |||
| 499 | pev->counter_value_lo = 0; | |||
| 500 | pev->counter_value_hi = 0; | |||
| 501 | } | |||
| 502 | ||||
| 503 | pev->time = currentTime.milliseconds; | |||
| 504 | pev->count = num_events - i - 1; /* events remaining */ | |||
| 505 | pev->destroyed = pTrigger->pSync->beingDestroyed; | |||
| 506 | } | |||
| 507 | /* swapping will be taken care of by this */ | |||
| 508 | WriteEventsToClient(client, num_events, (xEvent *) pEvents); | |||
| 509 | free(pEvents); | |||
| 510 | } | |||
| 511 | ||||
| 512 | /* This function is called when an alarm's counter is destroyed. | |||
| 513 | * It is plugged into pTrigger->CounterDestroyed (for alarm triggers). | |||
| 514 | */ | |||
| 515 | static void | |||
| 516 | SyncAlarmCounterDestroyed(SyncTrigger * pTrigger) | |||
| 517 | { | |||
| 518 | SyncAlarm *pAlarm = (SyncAlarm *) pTrigger; | |||
| 519 | ||||
| 520 | pAlarm->state = XSyncAlarmInactive; | |||
| 521 | SyncSendAlarmNotifyEvents(pAlarm); | |||
| 522 | pTrigger->pSync = NULL((void*)0); | |||
| 523 | } | |||
| 524 | ||||
| 525 | /* This function is called when an alarm "goes off." | |||
| 526 | * It is plugged into pTrigger->TriggerFired (for alarm triggers). | |||
| 527 | */ | |||
| 528 | static void | |||
| 529 | SyncAlarmTriggerFired(SyncTrigger * pTrigger) | |||
| 530 | { | |||
| 531 | SyncAlarm *pAlarm = (SyncAlarm *) pTrigger; | |||
| 532 | SyncCounter *pCounter; | |||
| 533 | CARD64XSyncValue new_test_value; | |||
| 534 | ||||
| 535 | if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_ALARM)) | |||
| 536 | return; | |||
| 537 | ||||
| 538 | pCounter = (SyncCounter *) pTrigger->pSync; | |||
| 539 | ||||
| 540 | /* no need to check alarm unless it's active */ | |||
| 541 | if (pAlarm->state != XSyncAlarmActive) | |||
| 542 | return; | |||
| 543 | ||||
| 544 | /* " if the counter value is None, or if the delta is 0 and | |||
| 545 | * the test-type is PositiveComparison or NegativeComparison, | |||
| 546 | * no change is made to value (test-value) and the alarm | |||
| 547 | * state is changed to Inactive before the event is generated." | |||
| 548 | */ | |||
| 549 | if (pCounter == NULL((void*)0) || (XSyncValueIsZero(pAlarm->delta)((pAlarm->delta).lo==0 && (pAlarm->delta).hi==0 ) | |||
| 550 | && (pAlarm->trigger.test_type == | |||
| 551 | XSyncPositiveComparison || | |||
| 552 | pAlarm->trigger.test_type == | |||
| 553 | XSyncNegativeComparison))) | |||
| 554 | pAlarm->state = XSyncAlarmInactive; | |||
| 555 | ||||
| 556 | new_test_value = pAlarm->trigger.test_value; | |||
| 557 | ||||
| 558 | if (pAlarm->state == XSyncAlarmActive) { | |||
| 559 | Bool overflow; | |||
| 560 | CARD64XSyncValue oldvalue; | |||
| 561 | SyncTrigger *paTrigger = &pAlarm->trigger; | |||
| 562 | SyncCounter *paCounter; | |||
| 563 | ||||
| 564 | if (!SyncCheckWarnIsCounter(paTrigger->pSync, | |||
| 565 | WARN_INVALID_COUNTER_ALARM)) | |||
| 566 | return; | |||
| 567 | ||||
| 568 | paCounter = (SyncCounter *) pTrigger->pSync; | |||
| 569 | ||||
| 570 | /* "The alarm is updated by repeatedly adding delta to the | |||
| 571 | * value of the trigger and re-initializing it until it | |||
| 572 | * becomes FALSE." | |||
| 573 | */ | |||
| 574 | oldvalue = paTrigger->test_value; | |||
| 575 | ||||
| 576 | /* XXX really should do something smarter here */ | |||
| 577 | ||||
| 578 | do { | |||
| 579 | XSyncValueAdd(&paTrigger->test_value, paTrigger->test_value,{ int t = (paTrigger->test_value).lo; Bool signa = (((paTrigger ->test_value).hi & 0x80000000) ? 1 : 0); Bool signb = ( ((pAlarm->delta).hi & 0x80000000) ? 1 : 0); ((&paTrigger ->test_value)->lo = (paTrigger->test_value).lo + (pAlarm ->delta).lo); ((&paTrigger->test_value)->hi = (paTrigger ->test_value).hi + (pAlarm->delta).hi); if (t>(& paTrigger->test_value)->lo) (&paTrigger->test_value )->hi++; *&overflow = ((signa == signb) && !(signa == (((*&paTrigger->test_value).hi & 0x80000000) ? 1 : 0))); } | |||
| 580 | pAlarm->delta, &overflow){ int t = (paTrigger->test_value).lo; Bool signa = (((paTrigger ->test_value).hi & 0x80000000) ? 1 : 0); Bool signb = ( ((pAlarm->delta).hi & 0x80000000) ? 1 : 0); ((&paTrigger ->test_value)->lo = (paTrigger->test_value).lo + (pAlarm ->delta).lo); ((&paTrigger->test_value)->hi = (paTrigger ->test_value).hi + (pAlarm->delta).hi); if (t>(& paTrigger->test_value)->lo) (&paTrigger->test_value )->hi++; *&overflow = ((signa == signb) && !(signa == (((*&paTrigger->test_value).hi & 0x80000000) ? 1 : 0))); }; | |||
| 581 | } while (!overflow && | |||
| 582 | (*paTrigger->CheckTrigger) (paTrigger, paCounter->value)); | |||
| 583 | ||||
| 584 | new_test_value = paTrigger->test_value; | |||
| 585 | paTrigger->test_value = oldvalue; | |||
| 586 | ||||
| 587 | /* "If this update would cause value to fall outside the range | |||
| 588 | * for an INT64...no change is made to value (test-value) and | |||
| 589 | * the alarm state is changed to Inactive before the event is | |||
| 590 | * generated." | |||
| 591 | */ | |||
| 592 | if (overflow) { | |||
| 593 | new_test_value = oldvalue; | |||
| 594 | pAlarm->state = XSyncAlarmInactive; | |||
| 595 | } | |||
| 596 | } | |||
| 597 | /* The AlarmNotify event has to have the "new state of the alarm" | |||
| 598 | * which we can't be sure of until this point. However, it has | |||
| 599 | * to have the "old" trigger test value. That's the reason for | |||
| 600 | * all the newvalue/oldvalue shuffling above. After we send the | |||
| 601 | * events, give the trigger its new test value. | |||
| 602 | */ | |||
| 603 | SyncSendAlarmNotifyEvents(pAlarm); | |||
| 604 | pTrigger->test_value = new_test_value; | |||
| 605 | } | |||
| 606 | ||||
| 607 | /* This function is called when an Await unblocks, either as a result | |||
| 608 | * of the trigger firing OR the counter being destroyed. | |||
| 609 | * It goes into pTrigger->TriggerFired AND pTrigger->CounterDestroyed | |||
| 610 | * (for Await triggers). | |||
| 611 | */ | |||
| 612 | static void | |||
| 613 | SyncAwaitTriggerFired(SyncTrigger * pTrigger) | |||
| 614 | { | |||
| 615 | SyncAwait *pAwait = (SyncAwait *) pTrigger; | |||
| 616 | int numwaits; | |||
| 617 | SyncAwaitUnion *pAwaitUnion; | |||
| 618 | SyncAwait **ppAwait; | |||
| 619 | int num_events = 0; | |||
| 620 | ||||
| 621 | pAwaitUnion = (SyncAwaitUnion *) pAwait->pHeader; | |||
| 622 | numwaits = pAwaitUnion->header.num_waitconditions; | |||
| 623 | ppAwait = xallocarray(numwaits, sizeof(SyncAwait *))xreallocarray(((void*)0), (numwaits), (sizeof(SyncAwait *))); | |||
| 624 | if (!ppAwait) | |||
| 625 | goto bail; | |||
| 626 | ||||
| 627 | pAwait = &(pAwaitUnion + 1)->await; | |||
| 628 | ||||
| 629 | /* "When a client is unblocked, all the CounterNotify events for | |||
| 630 | * the Await request are generated contiguously. If count is 0 | |||
| 631 | * there are no more events to follow for this request. If | |||
| 632 | * count is n, there are at least n more events to follow." | |||
| 633 | * | |||
| 634 | * Thus, it is best to find all the counters for which events | |||
| 635 | * need to be sent first, so that an accurate count field can | |||
| 636 | * be stored in the events. | |||
| 637 | */ | |||
| 638 | for (; numwaits; numwaits--, pAwait++) { | |||
| 639 | CARD64XSyncValue diff; | |||
| 640 | Bool overflow, diffgreater, diffequal; | |||
| 641 | ||||
| 642 | /* "A CounterNotify event with the destroyed flag set to TRUE is | |||
| 643 | * always generated if the counter for one of the triggers is | |||
| 644 | * destroyed." | |||
| 645 | */ | |||
| 646 | if (pAwait->trigger.pSync->beingDestroyed) { | |||
| 647 | ppAwait[num_events++] = pAwait; | |||
| 648 | continue; | |||
| 649 | } | |||
| 650 | ||||
| 651 | if (SYNC_COUNTER0 == pAwait->trigger.pSync->type) { | |||
| 652 | SyncCounter *pCounter = (SyncCounter *) pAwait->trigger.pSync; | |||
| 653 | ||||
| 654 | /* "The difference between the counter and the test value is | |||
| 655 | * calculated by subtracting the test value from the value of | |||
| 656 | * the counter." | |||
| 657 | */ | |||
| 658 | XSyncValueSubtract(&diff, pCounter->value,{ int t = (pCounter->value).lo; Bool signa = (((pCounter-> value).hi & 0x80000000) ? 1 : 0); Bool signb = (((pAwait-> trigger.test_value).hi & 0x80000000) ? 1 : 0); ((&diff )->lo = (pCounter->value).lo - (pAwait->trigger.test_value ).lo); ((&diff)->hi = (pCounter->value).hi - (pAwait ->trigger.test_value).hi); if (t<(&diff)->lo) (& diff)->hi--; *&overflow = ((signa == signb) && !(signa == (((*&diff).hi & 0x80000000) ? 1 : 0))); } | |||
| 659 | pAwait->trigger.test_value, &overflow){ int t = (pCounter->value).lo; Bool signa = (((pCounter-> value).hi & 0x80000000) ? 1 : 0); Bool signb = (((pAwait-> trigger.test_value).hi & 0x80000000) ? 1 : 0); ((&diff )->lo = (pCounter->value).lo - (pAwait->trigger.test_value ).lo); ((&diff)->hi = (pCounter->value).hi - (pAwait ->trigger.test_value).hi); if (t<(&diff)->lo) (& diff)->hi--; *&overflow = ((signa == signb) && !(signa == (((*&diff).hi & 0x80000000) ? 1 : 0))); }; | |||
| 660 | ||||
| 661 | /* "If the difference lies outside the range for an INT64, an | |||
| 662 | * event is not generated." | |||
| 663 | */ | |||
| 664 | if (overflow) | |||
| 665 | continue; | |||
| 666 | diffgreater = XSyncValueGreaterThan(diff, pAwait->event_threshold)((diff).hi>(pAwait->event_threshold).hi || ((diff).hi== (pAwait->event_threshold).hi && (diff).lo>(pAwait ->event_threshold).lo)); | |||
| 667 | diffequal = XSyncValueEqual(diff, pAwait->event_threshold)((diff).lo==(pAwait->event_threshold).lo && (diff) .hi==(pAwait->event_threshold).hi); | |||
| 668 | ||||
| 669 | /* "If the test-type is PositiveTransition or | |||
| 670 | * PositiveComparison, a CounterNotify event is generated if | |||
| 671 | * the difference is at least event-threshold. If the test-type | |||
| 672 | * is NegativeTransition or NegativeComparison, a CounterNotify | |||
| 673 | * event is generated if the difference is at most | |||
| 674 | * event-threshold." | |||
| 675 | */ | |||
| 676 | ||||
| 677 | if (((pAwait->trigger.test_type == XSyncPositiveComparison || | |||
| 678 | pAwait->trigger.test_type == XSyncPositiveTransition) | |||
| 679 | && (diffgreater || diffequal)) | |||
| 680 | || | |||
| 681 | ((pAwait->trigger.test_type == XSyncNegativeComparison || | |||
| 682 | pAwait->trigger.test_type == XSyncNegativeTransition) | |||
| 683 | && (!diffgreater) /* less or equal */ | |||
| 684 | ) | |||
| 685 | ) { | |||
| 686 | ppAwait[num_events++] = pAwait; | |||
| 687 | } | |||
| 688 | } | |||
| 689 | } | |||
| 690 | if (num_events) | |||
| 691 | SyncSendCounterNotifyEvents(pAwaitUnion->header.client, ppAwait, | |||
| 692 | num_events); | |||
| 693 | free(ppAwait); | |||
| 694 | ||||
| 695 | bail: | |||
| 696 | /* unblock the client */ | |||
| 697 | AttendClient(pAwaitUnion->header.client); | |||
| 698 | /* delete the await */ | |||
| 699 | FreeResource(pAwaitUnion->header.delete_id, RT_NONE((RESTYPE)0)); | |||
| 700 | } | |||
| 701 | ||||
| 702 | static CARD64XSyncValue | |||
| 703 | SyncUpdateCounter(SyncCounter *pCounter, CARD64XSyncValue newval) | |||
| 704 | { | |||
| 705 | CARD64XSyncValue oldval = pCounter->value; | |||
| 706 | pCounter->value = newval; | |||
| 707 | return oldval; | |||
| 708 | } | |||
| 709 | ||||
| 710 | /* This function should always be used to change a counter's value so that | |||
| 711 | * any triggers depending on the counter will be checked. | |||
| 712 | */ | |||
| 713 | void | |||
| 714 | SyncChangeCounter(SyncCounter * pCounter, CARD64XSyncValue newval) | |||
| 715 | { | |||
| 716 | SyncTriggerList *ptl, *pnext; | |||
| 717 | CARD64XSyncValue oldval; | |||
| 718 | ||||
| 719 | oldval = SyncUpdateCounter(pCounter, newval); | |||
| 720 | ||||
| 721 | /* run through triggers to see if any become true */ | |||
| 722 | for (ptl = pCounter->sync.pTriglist; ptl; ptl = pnext) { | |||
| 723 | pnext = ptl->next; | |||
| 724 | if ((*ptl->pTrigger->CheckTrigger) (ptl->pTrigger, oldval)) | |||
| 725 | (*ptl->pTrigger->TriggerFired) (ptl->pTrigger); | |||
| 726 | } | |||
| 727 | ||||
| 728 | if (IsSystemCounter(pCounter)(pCounter && (pCounter->sync.client == ((void*)0)) )) { | |||
| 729 | SyncComputeBracketValues(pCounter); | |||
| 730 | } | |||
| 731 | } | |||
| 732 | ||||
| 733 | /* loosely based on dix/events.c/EventSelectForWindow */ | |||
| 734 | static Bool | |||
| 735 | SyncEventSelectForAlarm(SyncAlarm * pAlarm, ClientPtr client, Bool wantevents) | |||
| 736 | { | |||
| 737 | SyncAlarmClientList *pClients; | |||
| 738 | ||||
| 739 | if (client == pAlarm->client) { /* alarm owner */ | |||
| 740 | pAlarm->events = wantevents; | |||
| 741 | return Success0; | |||
| 742 | } | |||
| 743 | ||||
| 744 | /* see if the client is already on the list (has events selected) */ | |||
| 745 | ||||
| 746 | for (pClients = pAlarm->pEventClients; pClients; pClients = pClients->next) { | |||
| 747 | if (pClients->client == client) { | |||
| 748 | /* client's presence on the list indicates desire for | |||
| 749 | * events. If the client doesn't want events, remove it | |||
| 750 | * from the list. If the client does want events, do | |||
| 751 | * nothing, since it's already got them. | |||
| 752 | */ | |||
| 753 | if (!wantevents) { | |||
| 754 | FreeResource(pClients->delete_id, RT_NONE((RESTYPE)0)); | |||
| 755 | } | |||
| 756 | return Success0; | |||
| 757 | } | |||
| 758 | } | |||
| 759 | ||||
| 760 | /* if we get here, this client does not currently have | |||
| 761 | * events selected on the alarm | |||
| 762 | */ | |||
| 763 | ||||
| 764 | if (!wantevents) | |||
| 765 | /* client doesn't want events, and we just discovered that it | |||
| 766 | * doesn't have them, so there's nothing to do. | |||
| 767 | */ | |||
| 768 | return Success0; | |||
| 769 | ||||
| 770 | /* add new client to pAlarm->pEventClients */ | |||
| 771 | ||||
| 772 | pClients = malloc(sizeof(SyncAlarmClientList)); | |||
| 773 | if (!pClients) | |||
| 774 | return BadAlloc11; | |||
| 775 | ||||
| 776 | /* register it as a resource so it will be cleaned up | |||
| 777 | * if the client dies | |||
| 778 | */ | |||
| 779 | ||||
| 780 | pClients->delete_id = FakeClientID(client->index); | |||
| 781 | ||||
| 782 | /* link it into list after we know all the allocations succeed */ | |||
| 783 | pClients->next = pAlarm->pEventClients; | |||
| 784 | pAlarm->pEventClients = pClients; | |||
| 785 | pClients->client = client; | |||
| 786 | ||||
| 787 | if (!AddResourceDarwin_X_AddResource(pClients->delete_id, RTAlarmClient, pAlarm)) | |||
| 788 | return BadAlloc11; | |||
| 789 | ||||
| 790 | return Success0; | |||
| 791 | } | |||
| 792 | ||||
| 793 | /* | |||
| 794 | * ** SyncChangeAlarmAttributes ** This is used by CreateAlarm and ChangeAlarm | |||
| 795 | */ | |||
| 796 | static int | |||
| 797 | SyncChangeAlarmAttributes(ClientPtr client, SyncAlarm * pAlarm, Mask mask, | |||
| 798 | CARD32 *values) | |||
| 799 | { | |||
| 800 | int status; | |||
| 801 | XSyncCounter counter; | |||
| 802 | Mask origmask = mask; | |||
| 803 | ||||
| 804 | counter = pAlarm->trigger.pSync ? pAlarm->trigger.pSync->id : None0L; | |||
| 805 | ||||
| 806 | while (mask) { | |||
| 807 | int index2 = lowbit(mask)((mask) & (~(mask) + 1)); | |||
| 808 | ||||
| 809 | mask &= ~index2; | |||
| 810 | switch (index2) { | |||
| 811 | case XSyncCACounter(1L<<0): | |||
| 812 | mask &= ~XSyncCACounter(1L<<0); | |||
| 813 | /* sanity check in SyncInitTrigger */ | |||
| 814 | counter = *values++; | |||
| 815 | break; | |||
| 816 | ||||
| 817 | case XSyncCAValueType(1L<<1): | |||
| 818 | mask &= ~XSyncCAValueType(1L<<1); | |||
| 819 | /* sanity check in SyncInitTrigger */ | |||
| 820 | pAlarm->trigger.value_type = *values++; | |||
| 821 | break; | |||
| 822 | ||||
| 823 | case XSyncCAValue(1L<<2): | |||
| 824 | mask &= ~XSyncCAValue(1L<<2); | |||
| 825 | XSyncIntsToValue(&pAlarm->trigger.wait_value, values[1], values[0])((&pAlarm->trigger.wait_value)->lo = (values[1]), ( &pAlarm->trigger.wait_value)->hi = (values[0])); | |||
| 826 | values += 2; | |||
| 827 | break; | |||
| 828 | ||||
| 829 | case XSyncCATestType(1L<<3): | |||
| 830 | mask &= ~XSyncCATestType(1L<<3); | |||
| 831 | /* sanity check in SyncInitTrigger */ | |||
| 832 | pAlarm->trigger.test_type = *values++; | |||
| 833 | break; | |||
| 834 | ||||
| 835 | case XSyncCADelta(1L<<4): | |||
| 836 | mask &= ~XSyncCADelta(1L<<4); | |||
| 837 | XSyncIntsToValue(&pAlarm->delta, values[1], values[0])((&pAlarm->delta)->lo = (values[1]), (&pAlarm-> delta)->hi = (values[0])); | |||
| 838 | values += 2; | |||
| 839 | break; | |||
| 840 | ||||
| 841 | case XSyncCAEvents(1L<<5): | |||
| 842 | mask &= ~XSyncCAEvents(1L<<5); | |||
| 843 | if ((*values != xTrue1) && (*values != xFalse0)) { | |||
| 844 | client->errorValue = *values; | |||
| 845 | return BadValue2; | |||
| 846 | } | |||
| 847 | status = SyncEventSelectForAlarm(pAlarm, client, | |||
| 848 | (Bool) (*values++)); | |||
| 849 | if (status != Success0) | |||
| 850 | return status; | |||
| 851 | break; | |||
| 852 | ||||
| 853 | default: | |||
| 854 | client->errorValue = mask; | |||
| 855 | return BadValue2; | |||
| 856 | } | |||
| 857 | } | |||
| 858 | ||||
| 859 | /* "If the test-type is PositiveComparison or PositiveTransition | |||
| 860 | * and delta is less than zero, or if the test-type is | |||
| 861 | * NegativeComparison or NegativeTransition and delta is | |||
| 862 | * greater than zero, a Match error is generated." | |||
| 863 | */ | |||
| 864 | if (origmask & (XSyncCADelta(1L<<4) | XSyncCATestType(1L<<3))) { | |||
| 865 | CARD64XSyncValue zero; | |||
| 866 | ||||
| 867 | XSyncIntToValue(&zero, 0)((&zero)->hi=((0<0)?~0:0),(&zero)->lo=(0)); | |||
| 868 | if ((((pAlarm->trigger.test_type == XSyncPositiveComparison) || | |||
| 869 | (pAlarm->trigger.test_type == XSyncPositiveTransition)) | |||
| 870 | && XSyncValueLessThan(pAlarm->delta, zero)((pAlarm->delta).hi<(zero).hi || ((pAlarm->delta).hi ==(zero).hi && (pAlarm->delta).lo<(zero).lo))) | |||
| 871 | || | |||
| 872 | (((pAlarm->trigger.test_type == XSyncNegativeComparison) || | |||
| 873 | (pAlarm->trigger.test_type == XSyncNegativeTransition)) | |||
| 874 | && XSyncValueGreaterThan(pAlarm->delta, zero)((pAlarm->delta).hi>(zero).hi || ((pAlarm->delta).hi ==(zero).hi && (pAlarm->delta).lo>(zero).lo))) | |||
| 875 | ) { | |||
| 876 | return BadMatch8; | |||
| 877 | } | |||
| 878 | } | |||
| 879 | ||||
| 880 | /* postpone this until now, when we're sure nothing else can go wrong */ | |||
| 881 | if ((status = SyncInitTrigger(client, &pAlarm->trigger, counter, RTCounter, | |||
| 882 | origmask & XSyncCAAllTrigger((1L<<0) | (1L<<1) | (1L<<2) | (1L<<3 )))) != Success0) | |||
| 883 | return status; | |||
| 884 | ||||
| 885 | /* XXX spec does not really say to do this - needs clarification */ | |||
| 886 | pAlarm->state = XSyncAlarmActive; | |||
| 887 | return Success0; | |||
| 888 | } | |||
| 889 | ||||
| 890 | static SyncObject * | |||
| 891 | SyncCreate(ClientPtr client, XID id, unsigned char type) | |||
| 892 | { | |||
| 893 | SyncObject *pSync; | |||
| 894 | ||||
| 895 | switch (type) { | |||
| 896 | case SYNC_COUNTER0: | |||
| 897 | pSync = malloc(sizeof(SyncCounter)); | |||
| 898 | break; | |||
| 899 | case SYNC_FENCE1: | |||
| 900 | pSync = (SyncObject *) dixAllocateObjectWithPrivates(SyncFence,(SyncFence *) _dixAllocateObjectWithPrivates(sizeof(SyncFence ), sizeof(SyncFence), __builtin_offsetof(SyncFence, devPrivates ), PRIVATE_SYNC_FENCE) | |||
| 901 | PRIVATE_SYNC_FENCE)(SyncFence *) _dixAllocateObjectWithPrivates(sizeof(SyncFence ), sizeof(SyncFence), __builtin_offsetof(SyncFence, devPrivates ), PRIVATE_SYNC_FENCE); | |||
| 902 | break; | |||
| 903 | default: | |||
| 904 | return NULL((void*)0); | |||
| 905 | } | |||
| 906 | ||||
| 907 | if (!pSync) | |||
| 908 | return NULL((void*)0); | |||
| 909 | ||||
| 910 | pSync->client = client; | |||
| 911 | pSync->id = id; | |||
| 912 | pSync->pTriglist = NULL((void*)0); | |||
| 913 | pSync->beingDestroyed = FALSE0; | |||
| 914 | pSync->type = type; | |||
| 915 | ||||
| 916 | return pSync; | |||
| 917 | } | |||
| 918 | ||||
| 919 | int | |||
| 920 | SyncCreateFenceFromFD(ClientPtr client, DrawablePtr pDraw, XID id, int fd, BOOL initially_triggered) | |||
| 921 | { | |||
| 922 | #if HAVE_XSHMFENCE1 | |||
| 923 | SyncFence *pFence; | |||
| 924 | int status; | |||
| 925 | ||||
| 926 | pFence = (SyncFence *) SyncCreate(client, id, SYNC_FENCE1); | |||
| 927 | if (!pFence) | |||
| 928 | return BadAlloc11; | |||
| 929 | ||||
| 930 | status = miSyncInitFenceFromFD(pDraw, pFence, fd, initially_triggered); | |||
| 931 | if (status != Success0) { | |||
| 932 | dixFreeObjectWithPrivates(pFence, PRIVATE_SYNC_FENCE)_dixFreeObjectWithPrivates(pFence, (pFence)->devPrivates, PRIVATE_SYNC_FENCE ); | |||
| 933 | return status; | |||
| 934 | } | |||
| 935 | ||||
| 936 | if (!AddResourceDarwin_X_AddResource(id, RTFence, (void *) pFence)) | |||
| 937 | return BadAlloc11; | |||
| 938 | ||||
| 939 | return Success0; | |||
| 940 | #else | |||
| 941 | return BadImplementation17; | |||
| 942 | #endif | |||
| 943 | } | |||
| 944 | ||||
| 945 | int | |||
| 946 | SyncFDFromFence(ClientPtr client, DrawablePtr pDraw, SyncFence *pFence) | |||
| 947 | { | |||
| 948 | #if HAVE_XSHMFENCE1 | |||
| 949 | return miSyncFDFromFence(pDraw, pFence); | |||
| 950 | #else | |||
| 951 | return BadImplementation17; | |||
| 952 | #endif | |||
| 953 | } | |||
| 954 | ||||
| 955 | static SyncCounter * | |||
| 956 | SyncCreateCounter(ClientPtr client, XSyncCounter id, CARD64XSyncValue initialvalue) | |||
| 957 | { | |||
| 958 | SyncCounter *pCounter; | |||
| 959 | ||||
| 960 | if (!(pCounter = (SyncCounter *) SyncCreate(client, id, SYNC_COUNTER0))) | |||
| 961 | return NULL((void*)0); | |||
| 962 | ||||
| 963 | pCounter->value = initialvalue; | |||
| 964 | pCounter->pSysCounterInfo = NULL((void*)0); | |||
| 965 | ||||
| 966 | if (!AddResourceDarwin_X_AddResource(id, RTCounter, (void *) pCounter)) | |||
| 967 | return NULL((void*)0); | |||
| 968 | ||||
| 969 | return pCounter; | |||
| 970 | } | |||
| 971 | ||||
| 972 | static int FreeCounter(void *, XID); | |||
| 973 | ||||
| 974 | /* | |||
| 975 | * ***** System Counter utilities | |||
| 976 | */ | |||
| 977 | ||||
| 978 | SyncCounter* | |||
| 979 | SyncCreateSystemCounter(const char *name, | |||
| 980 | CARD64XSyncValue initial, | |||
| 981 | CARD64XSyncValue resolution, | |||
| 982 | SyncCounterType counterType, | |||
| 983 | SyncSystemCounterQueryValue QueryValue, | |||
| 984 | SyncSystemCounterBracketValues BracketValues | |||
| 985 | ) | |||
| 986 | { | |||
| 987 | SyncCounter *pCounter; | |||
| 988 | ||||
| 989 | /* this function may be called before SYNC has been initialized, so we | |||
| 990 | * have to make sure RTCounter is created. | |||
| 991 | */ | |||
| 992 | if (RTCounter == 0) { | |||
| 993 | RTCounter = CreateNewResourceType(FreeCounter, "SyncCounter"); | |||
| 994 | if (RTCounter == 0) { | |||
| 995 | return NULL((void*)0); | |||
| 996 | } | |||
| 997 | xorg_list_init(&SysCounterList); | |||
| 998 | } | |||
| 999 | ||||
| 1000 | pCounter = SyncCreateCounter(NULL((void*)0), FakeClientID(0), initial); | |||
| 1001 | ||||
| 1002 | if (pCounter) { | |||
| 1003 | SysCounterInfo *psci; | |||
| 1004 | ||||
| 1005 | psci = malloc(sizeof(SysCounterInfo)); | |||
| 1006 | if (!psci) { | |||
| 1007 | FreeResource(pCounter->sync.id, RT_NONE((RESTYPE)0)); | |||
| 1008 | return pCounter; | |||
| 1009 | } | |||
| 1010 | pCounter->pSysCounterInfo = psci; | |||
| 1011 | psci->pCounter = pCounter; | |||
| 1012 | psci->name = strdup(name); | |||
| 1013 | psci->resolution = resolution; | |||
| 1014 | psci->counterType = counterType; | |||
| 1015 | psci->QueryValue = QueryValue; | |||
| 1016 | psci->BracketValues = BracketValues; | |||
| 1017 | psci->private = NULL((void*)0); | |||
| 1018 | XSyncMaxValue(&psci->bracket_greater)((&psci->bracket_greater)->hi = 0x7fffffff, (&psci ->bracket_greater)->lo = 0xffffffff); | |||
| 1019 | XSyncMinValue(&psci->bracket_less)((&psci->bracket_less)->hi = 0x80000000, (&psci ->bracket_less)->lo = 0); | |||
| 1020 | xorg_list_add(&psci->entry, &SysCounterList); | |||
| 1021 | } | |||
| 1022 | return pCounter; | |||
| 1023 | } | |||
| 1024 | ||||
| 1025 | void | |||
| 1026 | SyncDestroySystemCounter(void *pSysCounter) | |||
| 1027 | { | |||
| 1028 | SyncCounter *pCounter = (SyncCounter *) pSysCounter; | |||
| 1029 | ||||
| 1030 | FreeResource(pCounter->sync.id, RT_NONE((RESTYPE)0)); | |||
| 1031 | } | |||
| 1032 | ||||
| 1033 | static void | |||
| 1034 | SyncComputeBracketValues(SyncCounter * pCounter) | |||
| 1035 | { | |||
| 1036 | SyncTriggerList *pCur; | |||
| 1037 | SyncTrigger *pTrigger; | |||
| 1038 | SysCounterInfo *psci; | |||
| 1039 | CARD64XSyncValue *pnewgtval = NULL((void*)0); | |||
| 1040 | CARD64XSyncValue *pnewltval = NULL((void*)0); | |||
| 1041 | SyncCounterType ct; | |||
| 1042 | ||||
| 1043 | if (!pCounter) | |||
| 1044 | return; | |||
| 1045 | ||||
| 1046 | psci = pCounter->pSysCounterInfo; | |||
| 1047 | ct = pCounter->pSysCounterInfo->counterType; | |||
| 1048 | if (ct == XSyncCounterNeverChanges) | |||
| 1049 | return; | |||
| 1050 | ||||
| 1051 | XSyncMaxValue(&psci->bracket_greater)((&psci->bracket_greater)->hi = 0x7fffffff, (&psci ->bracket_greater)->lo = 0xffffffff); | |||
| 1052 | XSyncMinValue(&psci->bracket_less)((&psci->bracket_less)->hi = 0x80000000, (&psci ->bracket_less)->lo = 0); | |||
| 1053 | ||||
| 1054 | for (pCur = pCounter->sync.pTriglist; pCur; pCur = pCur->next) { | |||
| 1055 | pTrigger = pCur->pTrigger; | |||
| 1056 | ||||
| 1057 | if (pTrigger->test_type == XSyncPositiveComparison && | |||
| 1058 | ct != XSyncCounterNeverIncreases) { | |||
| 1059 | if (XSyncValueLessThan(pCounter->value, pTrigger->test_value)((pCounter->value).hi<(pTrigger->test_value).hi || ( (pCounter->value).hi==(pTrigger->test_value).hi && (pCounter->value).lo<(pTrigger->test_value).lo)) && | |||
| 1060 | XSyncValueLessThan(pTrigger->test_value,((pTrigger->test_value).hi<(psci->bracket_greater).hi || ((pTrigger->test_value).hi==(psci->bracket_greater) .hi && (pTrigger->test_value).lo<(psci->bracket_greater ).lo)) | |||
| 1061 | psci->bracket_greater)((pTrigger->test_value).hi<(psci->bracket_greater).hi || ((pTrigger->test_value).hi==(psci->bracket_greater) .hi && (pTrigger->test_value).lo<(psci->bracket_greater ).lo))) { | |||
| 1062 | psci->bracket_greater = pTrigger->test_value; | |||
| 1063 | pnewgtval = &psci->bracket_greater; | |||
| 1064 | } | |||
| 1065 | else if (XSyncValueGreaterThan(pCounter->value, pTrigger->test_value)((pCounter->value).hi>(pTrigger->test_value).hi || ( (pCounter->value).hi==(pTrigger->test_value).hi && (pCounter->value).lo>(pTrigger->test_value).lo)) && | |||
| 1066 | XSyncValueGreaterThan(pTrigger->test_value, psci->bracket_less)((pTrigger->test_value).hi>(psci->bracket_less).hi || ((pTrigger->test_value).hi==(psci->bracket_less).hi && (pTrigger->test_value).lo>(psci->bracket_less).lo))) { | |||
| 1067 | psci->bracket_less = pTrigger->test_value; | |||
| 1068 | pnewltval = &psci->bracket_less; | |||
| 1069 | } | |||
| 1070 | } | |||
| 1071 | else if (pTrigger->test_type == XSyncNegativeComparison && | |||
| 1072 | ct != XSyncCounterNeverDecreases) { | |||
| 1073 | if (XSyncValueGreaterThan(pCounter->value, pTrigger->test_value)((pCounter->value).hi>(pTrigger->test_value).hi || ( (pCounter->value).hi==(pTrigger->test_value).hi && (pCounter->value).lo>(pTrigger->test_value).lo)) && | |||
| 1074 | XSyncValueGreaterThan(pTrigger->test_value,((pTrigger->test_value).hi>(psci->bracket_less).hi || ((pTrigger->test_value).hi==(psci->bracket_less).hi && (pTrigger->test_value).lo>(psci->bracket_less).lo)) | |||
| 1075 | psci->bracket_less)((pTrigger->test_value).hi>(psci->bracket_less).hi || ((pTrigger->test_value).hi==(psci->bracket_less).hi && (pTrigger->test_value).lo>(psci->bracket_less).lo))) { | |||
| 1076 | psci->bracket_less = pTrigger->test_value; | |||
| 1077 | pnewltval = &psci->bracket_less; | |||
| 1078 | } | |||
| 1079 | else if (XSyncValueLessThan(pCounter->value, pTrigger->test_value)((pCounter->value).hi<(pTrigger->test_value).hi || ( (pCounter->value).hi==(pTrigger->test_value).hi && (pCounter->value).lo<(pTrigger->test_value).lo)) && | |||
| 1080 | XSyncValueLessThan(pTrigger->test_value, psci->bracket_greater)((pTrigger->test_value).hi<(psci->bracket_greater).hi || ((pTrigger->test_value).hi==(psci->bracket_greater) .hi && (pTrigger->test_value).lo<(psci->bracket_greater ).lo))) { | |||
| 1081 | psci->bracket_greater = pTrigger->test_value; | |||
| 1082 | pnewgtval = &psci->bracket_greater; | |||
| 1083 | } | |||
| 1084 | } | |||
| 1085 | else if (pTrigger->test_type == XSyncNegativeTransition && | |||
| 1086 | ct != XSyncCounterNeverIncreases) { | |||
| 1087 | if (XSyncValueGreaterOrEqual(pCounter->value, pTrigger->test_value)((pCounter->value).hi>(pTrigger->test_value).hi || ( (pCounter->value).hi==(pTrigger->test_value).hi && (pCounter->value).lo>=(pTrigger->test_value).lo)) && | |||
| 1088 | XSyncValueGreaterThan(pTrigger->test_value, psci->bracket_less)((pTrigger->test_value).hi>(psci->bracket_less).hi || ((pTrigger->test_value).hi==(psci->bracket_less).hi && (pTrigger->test_value).lo>(psci->bracket_less).lo))) { | |||
| 1089 | /* | |||
| 1090 | * If the value is exactly equal to our threshold, we want one | |||
| 1091 | * more event in the negative direction to ensure we pick up | |||
| 1092 | * when the value is less than this threshold. | |||
| 1093 | */ | |||
| 1094 | psci->bracket_less = pTrigger->test_value; | |||
| 1095 | pnewltval = &psci->bracket_less; | |||
| 1096 | } | |||
| 1097 | else if (XSyncValueLessThan(pCounter->value, pTrigger->test_value)((pCounter->value).hi<(pTrigger->test_value).hi || ( (pCounter->value).hi==(pTrigger->test_value).hi && (pCounter->value).lo<(pTrigger->test_value).lo)) && | |||
| 1098 | XSyncValueLessThan(pTrigger->test_value, psci->bracket_greater)((pTrigger->test_value).hi<(psci->bracket_greater).hi || ((pTrigger->test_value).hi==(psci->bracket_greater) .hi && (pTrigger->test_value).lo<(psci->bracket_greater ).lo))) { | |||
| 1099 | psci->bracket_greater = pTrigger->test_value; | |||
| 1100 | pnewgtval = &psci->bracket_greater; | |||
| 1101 | } | |||
| 1102 | } | |||
| 1103 | else if (pTrigger->test_type == XSyncPositiveTransition && | |||
| 1104 | ct != XSyncCounterNeverDecreases) { | |||
| 1105 | if (XSyncValueLessOrEqual(pCounter->value, pTrigger->test_value)((pCounter->value).hi<(pTrigger->test_value).hi || ( (pCounter->value).hi==(pTrigger->test_value).hi && (pCounter->value).lo<=(pTrigger->test_value).lo)) && | |||
| 1106 | XSyncValueLessThan(pTrigger->test_value, psci->bracket_greater)((pTrigger->test_value).hi<(psci->bracket_greater).hi || ((pTrigger->test_value).hi==(psci->bracket_greater) .hi && (pTrigger->test_value).lo<(psci->bracket_greater ).lo))) { | |||
| 1107 | /* | |||
| 1108 | * If the value is exactly equal to our threshold, we | |||
| 1109 | * want one more event in the positive direction to | |||
| 1110 | * ensure we pick up when the value *exceeds* this | |||
| 1111 | * threshold. | |||
| 1112 | */ | |||
| 1113 | psci->bracket_greater = pTrigger->test_value; | |||
| 1114 | pnewgtval = &psci->bracket_greater; | |||
| 1115 | } | |||
| 1116 | else if (XSyncValueGreaterThan(pCounter->value, pTrigger->test_value)((pCounter->value).hi>(pTrigger->test_value).hi || ( (pCounter->value).hi==(pTrigger->test_value).hi && (pCounter->value).lo>(pTrigger->test_value).lo)) && | |||
| 1117 | XSyncValueGreaterThan(pTrigger->test_value, psci->bracket_less)((pTrigger->test_value).hi>(psci->bracket_less).hi || ((pTrigger->test_value).hi==(psci->bracket_less).hi && (pTrigger->test_value).lo>(psci->bracket_less).lo))) { | |||
| 1118 | psci->bracket_less = pTrigger->test_value; | |||
| 1119 | pnewltval = &psci->bracket_less; | |||
| 1120 | } | |||
| 1121 | } | |||
| 1122 | } /* end for each trigger */ | |||
| 1123 | ||||
| 1124 | (*psci->BracketValues) ((void *) pCounter, pnewltval, pnewgtval); | |||
| 1125 | ||||
| 1126 | } | |||
| 1127 | ||||
| 1128 | /* | |||
| 1129 | * ***** Resource delete functions | |||
| 1130 | */ | |||
| 1131 | ||||
| 1132 | /* ARGSUSED */ | |||
| 1133 | static int | |||
| 1134 | FreeAlarm(void *addr, XID id) | |||
| 1135 | { | |||
| 1136 | SyncAlarm *pAlarm = (SyncAlarm *) addr; | |||
| 1137 | ||||
| 1138 | pAlarm->state = XSyncAlarmDestroyed; | |||
| 1139 | ||||
| 1140 | SyncSendAlarmNotifyEvents(pAlarm); | |||
| 1141 | ||||
| 1142 | /* delete event selections */ | |||
| 1143 | ||||
| 1144 | while (pAlarm->pEventClients) | |||
| 1145 | FreeResource(pAlarm->pEventClients->delete_id, RT_NONE((RESTYPE)0)); | |||
| 1146 | ||||
| 1147 | SyncDeleteTriggerFromSyncObject(&pAlarm->trigger); | |||
| 1148 | ||||
| 1149 | free(pAlarm); | |||
| 1150 | return Success0; | |||
| 1151 | } | |||
| 1152 | ||||
| 1153 | /* | |||
| 1154 | * ** Cleanup after the destruction of a Counter | |||
| 1155 | */ | |||
| 1156 | /* ARGSUSED */ | |||
| 1157 | static int | |||
| 1158 | FreeCounter(void *env, XID id) | |||
| 1159 | { | |||
| 1160 | SyncCounter *pCounter = (SyncCounter *) env; | |||
| 1161 | SyncTriggerList *ptl, *pnext; | |||
| 1162 | ||||
| 1163 | pCounter->sync.beingDestroyed = TRUE1; | |||
| 1164 | /* tell all the counter's triggers that the counter has been destroyed */ | |||
| 1165 | for (ptl = pCounter->sync.pTriglist; ptl; ptl = pnext) { | |||
| 1166 | (*ptl->pTrigger->CounterDestroyed) (ptl->pTrigger); | |||
| 1167 | pnext = ptl->next; | |||
| 1168 | free(ptl); /* destroy the trigger list as we go */ | |||
| 1169 | } | |||
| 1170 | if (IsSystemCounter(pCounter)(pCounter && (pCounter->sync.client == ((void*)0)) )) { | |||
| 1171 | xorg_list_del(&pCounter->pSysCounterInfo->entry); | |||
| 1172 | free(pCounter->pSysCounterInfo->name); | |||
| 1173 | free(pCounter->pSysCounterInfo->private); | |||
| 1174 | free(pCounter->pSysCounterInfo); | |||
| 1175 | } | |||
| 1176 | free(pCounter); | |||
| 1177 | return Success0; | |||
| 1178 | } | |||
| 1179 | ||||
| 1180 | /* | |||
| 1181 | * ** Cleanup after Await | |||
| 1182 | */ | |||
| 1183 | /* ARGSUSED */ | |||
| 1184 | static int | |||
| 1185 | FreeAwait(void *addr, XID id) | |||
| 1186 | { | |||
| 1187 | SyncAwaitUnion *pAwaitUnion = (SyncAwaitUnion *) addr; | |||
| 1188 | SyncAwait *pAwait; | |||
| 1189 | int numwaits; | |||
| 1190 | ||||
| 1191 | pAwait = &(pAwaitUnion + 1)->await; /* first await on list */ | |||
| 1192 | ||||
| 1193 | /* remove triggers from counters */ | |||
| 1194 | ||||
| 1195 | for (numwaits = pAwaitUnion->header.num_waitconditions; numwaits; | |||
| 1196 | numwaits--, pAwait++) { | |||
| 1197 | /* If the counter is being destroyed, FreeCounter will delete | |||
| 1198 | * the trigger list itself, so don't do it here. | |||
| 1199 | */ | |||
| 1200 | SyncObject *pSync = pAwait->trigger.pSync; | |||
| 1201 | ||||
| 1202 | if (pSync && !pSync->beingDestroyed) | |||
| 1203 | SyncDeleteTriggerFromSyncObject(&pAwait->trigger); | |||
| 1204 | } | |||
| 1205 | free(pAwaitUnion); | |||
| 1206 | return Success0; | |||
| 1207 | } | |||
| 1208 | ||||
| 1209 | /* loosely based on dix/events.c/OtherClientGone */ | |||
| 1210 | static int | |||
| 1211 | FreeAlarmClient(void *value, XID id) | |||
| 1212 | { | |||
| 1213 | SyncAlarm *pAlarm = (SyncAlarm *) value; | |||
| 1214 | SyncAlarmClientList *pCur, *pPrev; | |||
| 1215 | ||||
| 1216 | for (pPrev = NULL((void*)0), pCur = pAlarm->pEventClients; | |||
| 1217 | pCur; pPrev = pCur, pCur = pCur->next) { | |||
| 1218 | if (pCur->delete_id == id) { | |||
| 1219 | if (pPrev) | |||
| 1220 | pPrev->next = pCur->next; | |||
| 1221 | else | |||
| 1222 | pAlarm->pEventClients = pCur->next; | |||
| 1223 | free(pCur); | |||
| 1224 | return Success0; | |||
| 1225 | } | |||
| 1226 | } | |||
| 1227 | FatalError("alarm client not on event list"); | |||
| 1228 | /*NOTREACHED*/} | |||
| 1229 | ||||
| 1230 | /* | |||
| 1231 | * ***** Proc functions | |||
| 1232 | */ | |||
| 1233 | ||||
| 1234 | /* | |||
| 1235 | * ** Initialize the extension | |||
| 1236 | */ | |||
| 1237 | static int | |||
| 1238 | ProcSyncInitialize(ClientPtr client) | |||
| 1239 | { | |||
| 1240 | xSyncInitializeReply rep = { | |||
| 1241 | .type = X_Reply1, | |||
| 1242 | .sequenceNumber = client->sequence, | |||
| 1243 | .length = 0, | |||
| 1244 | .majorVersion = SERVER_SYNC_MAJOR_VERSION3, | |||
| 1245 | .minorVersion = SERVER_SYNC_MINOR_VERSION1, | |||
| 1246 | }; | |||
| 1247 | ||||
| 1248 | REQUEST_SIZE_MATCH(xSyncInitializeReq)if ((sizeof(xSyncInitializeReq) >> 2) != client->req_len ) return(16); | |||
| 1249 | ||||
| 1250 | if (client->swapped) { | |||
| 1251 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
| 1252 | } | |||
| 1253 | WriteToClient(client, sizeof(rep), &rep); | |||
| 1254 | return Success0; | |||
| 1255 | } | |||
| 1256 | ||||
| 1257 | /* | |||
| 1258 | * ** Get list of system counters available through the extension | |||
| 1259 | */ | |||
| 1260 | static int | |||
| 1261 | ProcSyncListSystemCounters(ClientPtr client) | |||
| 1262 | { | |||
| 1263 | xSyncListSystemCountersReply rep = { | |||
| 1264 | .type = X_Reply1, | |||
| 1265 | .sequenceNumber = client->sequence, | |||
| 1266 | .nCounters = 0, | |||
| 1267 | }; | |||
| 1268 | SysCounterInfo *psci; | |||
| 1269 | int len = 0; | |||
| 1270 | xSyncSystemCounter *list = NULL((void*)0), *walklist = NULL((void*)0); | |||
| 1271 | ||||
| 1272 | REQUEST_SIZE_MATCH(xSyncListSystemCountersReq)if ((sizeof(xSyncListSystemCountersReq) >> 2) != client ->req_len) return(16); | |||
| 1273 | ||||
| 1274 | xorg_list_for_each_entry(psci, &SysCounterList, entry)for (psci = ((void*)0), psci = (typeof(*psci) *)((char *)((& SysCounterList)->next) - __builtin_offsetof(typeof(*psci), entry)); &psci->entry != (&SysCounterList); psci = (typeof(*psci) *)((char *)(psci->entry.next) - __builtin_offsetof (typeof(*psci), entry))) { | |||
| 1275 | /* pad to 4 byte boundary */ | |||
| 1276 | len += pad_to_int32(sz_xSyncSystemCounter14 + strlen(psci->name)); | |||
| 1277 | ++rep.nCounters; | |||
| 1278 | } | |||
| 1279 | ||||
| 1280 | if (len) { | |||
| 1281 | walklist = list = malloc(len); | |||
| 1282 | if (!list) | |||
| 1283 | return BadAlloc11; | |||
| 1284 | } | |||
| 1285 | ||||
| 1286 | rep.length = bytes_to_int32(len); | |||
| 1287 | ||||
| 1288 | if (client->swapped) { | |||
| 1289 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
| 1290 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
| 1291 | swapl(&rep.nCounters)do { if (sizeof(*(&rep.nCounters)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.nCounters) & 3 ) && ((uintptr_t)(&rep.nCounters) & 3) == 0) * (&rep.nCounters) = lswapl(*(&rep.nCounters)); else swap_uint32 ((uint32_t *)(&rep.nCounters)); } while (0); | |||
| 1292 | } | |||
| 1293 | ||||
| 1294 | xorg_list_for_each_entry(psci, &SysCounterList, entry)for (psci = ((void*)0), psci = (typeof(*psci) *)((char *)((& SysCounterList)->next) - __builtin_offsetof(typeof(*psci), entry)); &psci->entry != (&SysCounterList); psci = (typeof(*psci) *)((char *)(psci->entry.next) - __builtin_offsetof (typeof(*psci), entry))) { | |||
| 1295 | int namelen; | |||
| 1296 | char *pname_in_reply; | |||
| 1297 | ||||
| 1298 | walklist->counter = psci->pCounter->sync.id; | |||
| 1299 | walklist->resolution_hi = XSyncValueHigh32(psci->resolution)((psci->resolution).hi); | |||
| 1300 | walklist->resolution_lo = XSyncValueLow32(psci->resolution)((psci->resolution).lo); | |||
| 1301 | namelen = strlen(psci->name); | |||
| 1302 | walklist->name_length = namelen; | |||
| 1303 | ||||
| 1304 | if (client->swapped) { | |||
| 1305 | swapl(&walklist->counter)do { if (sizeof(*(&walklist->counter)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&walklist->counter ) & 3) && ((uintptr_t)(&walklist->counter) & 3) == 0) *(&walklist->counter) = lswapl(*(& walklist->counter)); else swap_uint32((uint32_t *)(&walklist ->counter)); } while (0); | |||
| 1306 | swapl(&walklist->resolution_hi)do { if (sizeof(*(&walklist->resolution_hi)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&walklist->resolution_hi ) & 3) && ((uintptr_t)(&walklist->resolution_hi ) & 3) == 0) *(&walklist->resolution_hi) = lswapl( *(&walklist->resolution_hi)); else swap_uint32((uint32_t *)(&walklist->resolution_hi)); } while (0); | |||
| 1307 | swapl(&walklist->resolution_lo)do { if (sizeof(*(&walklist->resolution_lo)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&walklist->resolution_lo ) & 3) && ((uintptr_t)(&walklist->resolution_lo ) & 3) == 0) *(&walklist->resolution_lo) = lswapl( *(&walklist->resolution_lo)); else swap_uint32((uint32_t *)(&walklist->resolution_lo)); } while (0); | |||
| 1308 | swaps(&walklist->name_length)do { if (sizeof(*(&walklist->name_length)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&walklist->name_length ) & 1) && ((uintptr_t)(&walklist->name_length ) & 1) == 0) *(&walklist->name_length) = lswaps(*( &walklist->name_length)); else swap_uint16((uint16_t * )(&walklist->name_length)); } while (0); | |||
| 1309 | } | |||
| 1310 | ||||
| 1311 | pname_in_reply = ((char *) walklist) + sz_xSyncSystemCounter14; | |||
| 1312 | strncpy(pname_in_reply, psci->name, namelen)__builtin___strncpy_chk (pname_in_reply, psci->name, namelen , __builtin_object_size (pname_in_reply, 2 > 1 ? 1 : 0)); | |||
| 1313 | walklist = (xSyncSystemCounter *) (((char *) walklist) + | |||
| 1314 | pad_to_int32(sz_xSyncSystemCounter14 + | |||
| 1315 | namelen)); | |||
| 1316 | } | |||
| 1317 | ||||
| 1318 | WriteToClient(client, sizeof(rep), &rep); | |||
| 1319 | if (len) { | |||
| 1320 | WriteToClient(client, len, list); | |||
| 1321 | free(list); | |||
| 1322 | } | |||
| 1323 | ||||
| 1324 | return Success0; | |||
| 1325 | } | |||
| 1326 | ||||
| 1327 | /* | |||
| 1328 | * ** Set client Priority | |||
| 1329 | */ | |||
| 1330 | static int | |||
| 1331 | ProcSyncSetPriority(ClientPtr client) | |||
| 1332 | { | |||
| 1333 | REQUEST(xSyncSetPriorityReq)xSyncSetPriorityReq *stuff = (xSyncSetPriorityReq *)client-> requestBuffer; | |||
| 1334 | ClientPtr priorityclient; | |||
| 1335 | int rc; | |||
| 1336 | ||||
| 1337 | REQUEST_SIZE_MATCH(xSyncSetPriorityReq)if ((sizeof(xSyncSetPriorityReq) >> 2) != client->req_len ) return(16); | |||
| 1338 | ||||
| 1339 | if (stuff->id == None0L) | |||
| 1340 | priorityclient = client; | |||
| 1341 | else { | |||
| 1342 | rc = dixLookupClient(&priorityclient, stuff->id, client, | |||
| 1343 | DixSetAttrAccess(1<<5)); | |||
| 1344 | if (rc != Success0) | |||
| 1345 | return rc; | |||
| 1346 | } | |||
| 1347 | ||||
| 1348 | if (priorityclient->priority != stuff->priority) { | |||
| 1349 | priorityclient->priority = stuff->priority; | |||
| 1350 | ||||
| 1351 | /* The following will force the server back into WaitForSomething | |||
| 1352 | * so that the change in this client's priority is immediately | |||
| 1353 | * reflected. | |||
| 1354 | */ | |||
| 1355 | isItTimeToYield = TRUE1; | |||
| 1356 | dispatchException |= DE_PRIORITYCHANGE4; | |||
| 1357 | } | |||
| 1358 | return Success0; | |||
| 1359 | } | |||
| 1360 | ||||
| 1361 | /* | |||
| 1362 | * ** Get client Priority | |||
| 1363 | */ | |||
| 1364 | static int | |||
| 1365 | ProcSyncGetPriority(ClientPtr client) | |||
| 1366 | { | |||
| 1367 | REQUEST(xSyncGetPriorityReq)xSyncGetPriorityReq *stuff = (xSyncGetPriorityReq *)client-> requestBuffer; | |||
| 1368 | xSyncGetPriorityReply rep; | |||
| 1369 | ClientPtr priorityclient; | |||
| 1370 | int rc; | |||
| 1371 | ||||
| 1372 | REQUEST_SIZE_MATCH(xSyncGetPriorityReq)if ((sizeof(xSyncGetPriorityReq) >> 2) != client->req_len ) return(16); | |||
| 1373 | ||||
| 1374 | if (stuff->id == None0L) | |||
| 1375 | priorityclient = client; | |||
| 1376 | else { | |||
| 1377 | rc = dixLookupClient(&priorityclient, stuff->id, client, | |||
| 1378 | DixGetAttrAccess(1<<4)); | |||
| 1379 | if (rc != Success0) | |||
| 1380 | return rc; | |||
| 1381 | } | |||
| 1382 | ||||
| 1383 | rep = (xSyncGetPriorityReply) { | |||
| 1384 | .type = X_Reply1, | |||
| 1385 | .sequenceNumber = client->sequence, | |||
| 1386 | .length = 0, | |||
| 1387 | .priority = priorityclient->priority | |||
| 1388 | }; | |||
| 1389 | ||||
| 1390 | if (client->swapped) { | |||
| 1391 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
| 1392 | swapl(&rep.priority)do { if (sizeof(*(&rep.priority)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.priority) & 3) && ((uintptr_t)(&rep.priority) & 3) == 0) *(&rep.priority ) = lswapl(*(&rep.priority)); else swap_uint32((uint32_t * )(&rep.priority)); } while (0); | |||
| 1393 | } | |||
| 1394 | ||||
| 1395 | WriteToClient(client, sizeof(xSyncGetPriorityReply), &rep); | |||
| 1396 | ||||
| 1397 | return Success0; | |||
| 1398 | } | |||
| 1399 | ||||
| 1400 | /* | |||
| 1401 | * ** Create a new counter | |||
| 1402 | */ | |||
| 1403 | static int | |||
| 1404 | ProcSyncCreateCounter(ClientPtr client) | |||
| 1405 | { | |||
| 1406 | REQUEST(xSyncCreateCounterReq)xSyncCreateCounterReq *stuff = (xSyncCreateCounterReq *)client ->requestBuffer; | |||
| 1407 | CARD64XSyncValue initial; | |||
| 1408 | ||||
| 1409 | REQUEST_SIZE_MATCH(xSyncCreateCounterReq)if ((sizeof(xSyncCreateCounterReq) >> 2) != client-> req_len) return(16); | |||
| 1410 | ||||
| 1411 | LEGAL_NEW_RESOURCE(stuff->cid, client)if (!LegalNewID(stuff->cid,client)) { client->errorValue = stuff->cid; return 14; }; | |||
| 1412 | ||||
| 1413 | XSyncIntsToValue(&initial, stuff->initial_value_lo,((&initial)->lo = (stuff->initial_value_lo), (& initial)->hi = (stuff->initial_value_hi)) | |||
| 1414 | stuff->initial_value_hi)((&initial)->lo = (stuff->initial_value_lo), (& initial)->hi = (stuff->initial_value_hi)); | |||
| 1415 | if (!SyncCreateCounter(client, stuff->cid, initial)) | |||
| 1416 | return BadAlloc11; | |||
| 1417 | ||||
| 1418 | return Success0; | |||
| 1419 | } | |||
| 1420 | ||||
| 1421 | /* | |||
| 1422 | * ** Set Counter value | |||
| 1423 | */ | |||
| 1424 | static int | |||
| 1425 | ProcSyncSetCounter(ClientPtr client) | |||
| 1426 | { | |||
| 1427 | REQUEST(xSyncSetCounterReq)xSyncSetCounterReq *stuff = (xSyncSetCounterReq *)client-> requestBuffer; | |||
| 1428 | SyncCounter *pCounter; | |||
| 1429 | CARD64XSyncValue newvalue; | |||
| 1430 | int rc; | |||
| 1431 | ||||
| 1432 | REQUEST_SIZE_MATCH(xSyncSetCounterReq)if ((sizeof(xSyncSetCounterReq) >> 2) != client->req_len ) return(16); | |||
| 1433 | ||||
| 1434 | rc = dixLookupResourceByType((void **) &pCounter, stuff->cid, RTCounter, | |||
| 1435 | client, DixWriteAccess(1<<1)); | |||
| 1436 | if (rc != Success0) | |||
| 1437 | return rc; | |||
| 1438 | ||||
| 1439 | if (IsSystemCounter(pCounter)(pCounter && (pCounter->sync.client == ((void*)0)) )) { | |||
| 1440 | client->errorValue = stuff->cid; | |||
| 1441 | return BadAccess10; | |||
| 1442 | } | |||
| 1443 | ||||
| 1444 | XSyncIntsToValue(&newvalue, stuff->value_lo, stuff->value_hi)((&newvalue)->lo = (stuff->value_lo), (&newvalue )->hi = (stuff->value_hi)); | |||
| 1445 | SyncChangeCounter(pCounter, newvalue); | |||
| 1446 | return Success0; | |||
| 1447 | } | |||
| 1448 | ||||
| 1449 | /* | |||
| 1450 | * ** Change Counter value | |||
| 1451 | */ | |||
| 1452 | static int | |||
| 1453 | ProcSyncChangeCounter(ClientPtr client) | |||
| 1454 | { | |||
| 1455 | REQUEST(xSyncChangeCounterReq)xSyncChangeCounterReq *stuff = (xSyncChangeCounterReq *)client ->requestBuffer; | |||
| 1456 | SyncCounter *pCounter; | |||
| 1457 | CARD64XSyncValue newvalue; | |||
| 1458 | Bool overflow; | |||
| 1459 | int rc; | |||
| 1460 | ||||
| 1461 | REQUEST_SIZE_MATCH(xSyncChangeCounterReq)if ((sizeof(xSyncChangeCounterReq) >> 2) != client-> req_len) return(16); | |||
| 1462 | ||||
| 1463 | rc = dixLookupResourceByType((void **) &pCounter, stuff->cid, RTCounter, | |||
| 1464 | client, DixWriteAccess(1<<1)); | |||
| 1465 | if (rc != Success0) | |||
| 1466 | return rc; | |||
| 1467 | ||||
| 1468 | if (IsSystemCounter(pCounter)(pCounter && (pCounter->sync.client == ((void*)0)) )) { | |||
| 1469 | client->errorValue = stuff->cid; | |||
| 1470 | return BadAccess10; | |||
| 1471 | } | |||
| 1472 | ||||
| 1473 | XSyncIntsToValue(&newvalue, stuff->value_lo, stuff->value_hi)((&newvalue)->lo = (stuff->value_lo), (&newvalue )->hi = (stuff->value_hi)); | |||
| 1474 | XSyncValueAdd(&newvalue, pCounter->value, newvalue, &overflow){ int t = (pCounter->value).lo; Bool signa = (((pCounter-> value).hi & 0x80000000) ? 1 : 0); Bool signb = (((newvalue ).hi & 0x80000000) ? 1 : 0); ((&newvalue)->lo = (pCounter ->value).lo + (newvalue).lo); ((&newvalue)->hi = (pCounter ->value).hi + (newvalue).hi); if (t>(&newvalue)-> lo) (&newvalue)->hi++; *&overflow = ((signa == signb ) && !(signa == (((*&newvalue).hi & 0x80000000 ) ? 1 : 0))); }; | |||
| 1475 | if (overflow) { | |||
| 1476 | /* XXX 64 bit value can't fit in 32 bits; do the best we can */ | |||
| 1477 | client->errorValue = stuff->value_hi; | |||
| 1478 | return BadValue2; | |||
| 1479 | } | |||
| 1480 | SyncChangeCounter(pCounter, newvalue); | |||
| 1481 | return Success0; | |||
| 1482 | } | |||
| 1483 | ||||
| 1484 | /* | |||
| 1485 | * ** Destroy a counter | |||
| 1486 | */ | |||
| 1487 | static int | |||
| 1488 | ProcSyncDestroyCounter(ClientPtr client) | |||
| 1489 | { | |||
| 1490 | REQUEST(xSyncDestroyCounterReq)xSyncDestroyCounterReq *stuff = (xSyncDestroyCounterReq *)client ->requestBuffer; | |||
| 1491 | SyncCounter *pCounter; | |||
| 1492 | int rc; | |||
| 1493 | ||||
| 1494 | REQUEST_SIZE_MATCH(xSyncDestroyCounterReq)if ((sizeof(xSyncDestroyCounterReq) >> 2) != client-> req_len) return(16); | |||
| 1495 | ||||
| 1496 | rc = dixLookupResourceByType((void **) &pCounter, stuff->counter, | |||
| 1497 | RTCounter, client, DixDestroyAccess(1<<2)); | |||
| 1498 | if (rc != Success0) | |||
| 1499 | return rc; | |||
| 1500 | ||||
| 1501 | if (IsSystemCounter(pCounter)(pCounter && (pCounter->sync.client == ((void*)0)) )) { | |||
| 1502 | client->errorValue = stuff->counter; | |||
| 1503 | return BadAccess10; | |||
| 1504 | } | |||
| 1505 | FreeResource(pCounter->sync.id, RT_NONE((RESTYPE)0)); | |||
| ||||
| 1506 | return Success0; | |||
| 1507 | } | |||
| 1508 | ||||
| 1509 | static SyncAwaitUnion * | |||
| 1510 | SyncAwaitPrologue(ClientPtr client, int items) | |||
| 1511 | { | |||
| 1512 | SyncAwaitUnion *pAwaitUnion; | |||
| 1513 | ||||
| 1514 | /* all the memory for the entire await list is allocated | |||
| 1515 | * here in one chunk | |||
| 1516 | */ | |||
| 1517 | pAwaitUnion = xallocarray(items + 1, sizeof(SyncAwaitUnion))xreallocarray(((void*)0), (items + 1), (sizeof(SyncAwaitUnion ))); | |||
| 1518 | if (!pAwaitUnion) | |||
| 1519 | return NULL((void*)0); | |||
| 1520 | ||||
| 1521 | /* first item is the header, remainder are real wait conditions */ | |||
| 1522 | ||||
| 1523 | pAwaitUnion->header.delete_id = FakeClientID(client->index); | |||
| 1524 | pAwaitUnion->header.client = client; | |||
| 1525 | pAwaitUnion->header.num_waitconditions = 0; | |||
| 1526 | ||||
| 1527 | if (!AddResourceDarwin_X_AddResource(pAwaitUnion->header.delete_id, RTAwait, pAwaitUnion)) | |||
| 1528 | return NULL((void*)0); | |||
| 1529 | ||||
| 1530 | return pAwaitUnion; | |||
| 1531 | } | |||
| 1532 | ||||
| 1533 | static void | |||
| 1534 | SyncAwaitEpilogue(ClientPtr client, int items, SyncAwaitUnion * pAwaitUnion) | |||
| 1535 | { | |||
| 1536 | SyncAwait *pAwait; | |||
| 1537 | int i; | |||
| 1538 | ||||
| 1539 | IgnoreClient(client); | |||
| 1540 | ||||
| 1541 | /* see if any of the triggers are already true */ | |||
| 1542 | ||||
| 1543 | pAwait = &(pAwaitUnion + 1)->await; /* skip over header */ | |||
| 1544 | for (i = 0; i < items; i++, pAwait++) { | |||
| 1545 | CARD64XSyncValue value; | |||
| 1546 | ||||
| 1547 | /* don't have to worry about NULL counters because the request | |||
| 1548 | * errors before we get here out if they occur | |||
| 1549 | */ | |||
| 1550 | switch (pAwait->trigger.pSync->type) { | |||
| 1551 | case SYNC_COUNTER0: | |||
| 1552 | value = ((SyncCounter *) pAwait->trigger.pSync)->value; | |||
| 1553 | break; | |||
| 1554 | default: | |||
| 1555 | XSyncIntToValue(&value, 0)((&value)->hi=((0<0)?~0:0),(&value)->lo=(0)); | |||
| 1556 | } | |||
| 1557 | ||||
| 1558 | if ((*pAwait->trigger.CheckTrigger) (&pAwait->trigger, value)) { | |||
| 1559 | (*pAwait->trigger.TriggerFired) (&pAwait->trigger); | |||
| 1560 | break; /* once is enough */ | |||
| 1561 | } | |||
| 1562 | } | |||
| 1563 | } | |||
| 1564 | ||||
| 1565 | /* | |||
| 1566 | * ** Await | |||
| 1567 | */ | |||
| 1568 | static int | |||
| 1569 | ProcSyncAwait(ClientPtr client) | |||
| 1570 | { | |||
| 1571 | REQUEST(xSyncAwaitReq)xSyncAwaitReq *stuff = (xSyncAwaitReq *)client->requestBuffer; | |||
| 1572 | int len, items; | |||
| 1573 | int i; | |||
| 1574 | xSyncWaitCondition *pProtocolWaitConds; | |||
| 1575 | SyncAwaitUnion *pAwaitUnion; | |||
| 1576 | SyncAwait *pAwait; | |||
| 1577 | int status; | |||
| 1578 | ||||
| 1579 | REQUEST_AT_LEAST_SIZE(xSyncAwaitReq)if ((sizeof(xSyncAwaitReq) >> 2) > client->req_len ) return(16); | |||
| 1580 | ||||
| 1581 | len = client->req_len << 2; | |||
| 1582 | len -= sz_xSyncAwaitReq4; | |||
| 1583 | items = len / sz_xSyncWaitCondition28; | |||
| 1584 | ||||
| 1585 | if (items * sz_xSyncWaitCondition28 != len) { | |||
| 1586 | return BadLength16; | |||
| 1587 | } | |||
| 1588 | if (items == 0) { | |||
| 1589 | client->errorValue = items; /* XXX protocol change */ | |||
| 1590 | return BadValue2; | |||
| 1591 | } | |||
| 1592 | ||||
| 1593 | if (!(pAwaitUnion = SyncAwaitPrologue(client, items))) | |||
| 1594 | return BadAlloc11; | |||
| 1595 | ||||
| 1596 | /* don't need to do any more memory allocation for this request! */ | |||
| 1597 | ||||
| 1598 | pProtocolWaitConds = (xSyncWaitCondition *) &stuff[1]; | |||
| 1599 | ||||
| 1600 | pAwait = &(pAwaitUnion + 1)->await; /* skip over header */ | |||
| 1601 | for (i = 0; i < items; i++, pProtocolWaitConds++, pAwait++) { | |||
| 1602 | if (pProtocolWaitConds->counter == None0L) { /* XXX protocol change */ | |||
| 1603 | /* this should take care of removing any triggers created by | |||
| 1604 | * this request that have already been registered on sync objects | |||
| 1605 | */ | |||
| 1606 | FreeResource(pAwaitUnion->header.delete_id, RT_NONE((RESTYPE)0)); | |||
| 1607 | client->errorValue = pProtocolWaitConds->counter; | |||
| 1608 | return SyncErrorBase + XSyncBadCounter0L; | |||
| 1609 | } | |||
| 1610 | ||||
| 1611 | /* sanity checks are in SyncInitTrigger */ | |||
| 1612 | pAwait->trigger.pSync = NULL((void*)0); | |||
| 1613 | pAwait->trigger.value_type = pProtocolWaitConds->value_type; | |||
| 1614 | XSyncIntsToValue(&pAwait->trigger.wait_value,((&pAwait->trigger.wait_value)->lo = (pProtocolWaitConds ->wait_value_lo), (&pAwait->trigger.wait_value)-> hi = (pProtocolWaitConds->wait_value_hi)) | |||
| 1615 | pProtocolWaitConds->wait_value_lo,((&pAwait->trigger.wait_value)->lo = (pProtocolWaitConds ->wait_value_lo), (&pAwait->trigger.wait_value)-> hi = (pProtocolWaitConds->wait_value_hi)) | |||
| 1616 | pProtocolWaitConds->wait_value_hi)((&pAwait->trigger.wait_value)->lo = (pProtocolWaitConds ->wait_value_lo), (&pAwait->trigger.wait_value)-> hi = (pProtocolWaitConds->wait_value_hi)); | |||
| 1617 | pAwait->trigger.test_type = pProtocolWaitConds->test_type; | |||
| 1618 | ||||
| 1619 | status = SyncInitTrigger(client, &pAwait->trigger, | |||
| 1620 | pProtocolWaitConds->counter, RTCounter, | |||
| 1621 | XSyncCAAllTrigger((1L<<0) | (1L<<1) | (1L<<2) | (1L<<3 ))); | |||
| 1622 | if (status != Success0) { | |||
| 1623 | /* this should take care of removing any triggers created by | |||
| 1624 | * this request that have already been registered on sync objects | |||
| 1625 | */ | |||
| 1626 | FreeResource(pAwaitUnion->header.delete_id, RT_NONE((RESTYPE)0)); | |||
| 1627 | return status; | |||
| 1628 | } | |||
| 1629 | /* this is not a mistake -- same function works for both cases */ | |||
| 1630 | pAwait->trigger.TriggerFired = SyncAwaitTriggerFired; | |||
| 1631 | pAwait->trigger.CounterDestroyed = SyncAwaitTriggerFired; | |||
| 1632 | XSyncIntsToValue(&pAwait->event_threshold,((&pAwait->event_threshold)->lo = (pProtocolWaitConds ->event_threshold_lo), (&pAwait->event_threshold)-> hi = (pProtocolWaitConds->event_threshold_hi)) | |||
| 1633 | pProtocolWaitConds->event_threshold_lo,((&pAwait->event_threshold)->lo = (pProtocolWaitConds ->event_threshold_lo), (&pAwait->event_threshold)-> hi = (pProtocolWaitConds->event_threshold_hi)) | |||
| 1634 | pProtocolWaitConds->event_threshold_hi)((&pAwait->event_threshold)->lo = (pProtocolWaitConds ->event_threshold_lo), (&pAwait->event_threshold)-> hi = (pProtocolWaitConds->event_threshold_hi)); | |||
| 1635 | pAwait->pHeader = &pAwaitUnion->header; | |||
| 1636 | pAwaitUnion->header.num_waitconditions++; | |||
| 1637 | } | |||
| 1638 | ||||
| 1639 | SyncAwaitEpilogue(client, items, pAwaitUnion); | |||
| 1640 | ||||
| 1641 | return Success0; | |||
| 1642 | } | |||
| 1643 | ||||
| 1644 | /* | |||
| 1645 | * ** Query a counter | |||
| 1646 | */ | |||
| 1647 | static int | |||
| 1648 | ProcSyncQueryCounter(ClientPtr client) | |||
| 1649 | { | |||
| 1650 | REQUEST(xSyncQueryCounterReq)xSyncQueryCounterReq *stuff = (xSyncQueryCounterReq *)client-> requestBuffer; | |||
| 1651 | xSyncQueryCounterReply rep; | |||
| 1652 | SyncCounter *pCounter; | |||
| 1653 | int rc; | |||
| 1654 | ||||
| 1655 | REQUEST_SIZE_MATCH(xSyncQueryCounterReq)if ((sizeof(xSyncQueryCounterReq) >> 2) != client->req_len ) return(16); | |||
| 1656 | ||||
| 1657 | rc = dixLookupResourceByType((void **) &pCounter, stuff->counter, | |||
| 1658 | RTCounter, client, DixReadAccess(1<<0)); | |||
| 1659 | if (rc != Success0) | |||
| 1660 | return rc; | |||
| 1661 | ||||
| 1662 | /* if system counter, ask it what the current value is */ | |||
| 1663 | if (IsSystemCounter(pCounter)(pCounter && (pCounter->sync.client == ((void*)0)) )) { | |||
| 1664 | (*pCounter->pSysCounterInfo->QueryValue) ((void *) pCounter, | |||
| 1665 | &pCounter->value); | |||
| 1666 | } | |||
| 1667 | ||||
| 1668 | rep = (xSyncQueryCounterReply) { | |||
| 1669 | .type = X_Reply1, | |||
| 1670 | .sequenceNumber = client->sequence, | |||
| 1671 | .length = 0, | |||
| 1672 | .value_hi = XSyncValueHigh32(pCounter->value)((pCounter->value).hi), | |||
| 1673 | .value_lo = XSyncValueLow32(pCounter->value)((pCounter->value).lo) | |||
| 1674 | }; | |||
| 1675 | ||||
| 1676 | if (client->swapped) { | |||
| 1677 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
| 1678 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
| 1679 | swapl(&rep.value_hi)do { if (sizeof(*(&rep.value_hi)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.value_hi) & 3) && ((uintptr_t)(&rep.value_hi) & 3) == 0) *(&rep.value_hi ) = lswapl(*(&rep.value_hi)); else swap_uint32((uint32_t * )(&rep.value_hi)); } while (0); | |||
| 1680 | swapl(&rep.value_lo)do { if (sizeof(*(&rep.value_lo)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.value_lo) & 3) && ((uintptr_t)(&rep.value_lo) & 3) == 0) *(&rep.value_lo ) = lswapl(*(&rep.value_lo)); else swap_uint32((uint32_t * )(&rep.value_lo)); } while (0); | |||
| 1681 | } | |||
| 1682 | WriteToClient(client, sizeof(xSyncQueryCounterReply), &rep); | |||
| 1683 | return Success0; | |||
| 1684 | } | |||
| 1685 | ||||
| 1686 | /* | |||
| 1687 | * ** Create Alarm | |||
| 1688 | */ | |||
| 1689 | static int | |||
| 1690 | ProcSyncCreateAlarm(ClientPtr client) | |||
| 1691 | { | |||
| 1692 | REQUEST(xSyncCreateAlarmReq)xSyncCreateAlarmReq *stuff = (xSyncCreateAlarmReq *)client-> requestBuffer; | |||
| 1693 | SyncAlarm *pAlarm; | |||
| 1694 | int status; | |||
| 1695 | unsigned long len, vmask; | |||
| 1696 | SyncTrigger *pTrigger; | |||
| 1697 | ||||
| 1698 | REQUEST_AT_LEAST_SIZE(xSyncCreateAlarmReq)if ((sizeof(xSyncCreateAlarmReq) >> 2) > client-> req_len ) return(16); | |||
| 1699 | ||||
| 1700 | LEGAL_NEW_RESOURCE(stuff->id, client)if (!LegalNewID(stuff->id,client)) { client->errorValue = stuff->id; return 14; }; | |||
| 1701 | ||||
| 1702 | vmask = stuff->valueMask; | |||
| 1703 | len = client->req_len - bytes_to_int32(sizeof(xSyncCreateAlarmReq)); | |||
| 1704 | /* the "extra" call to Ones accounts for the presence of 64 bit values */ | |||
| 1705 | if (len != (Ones(vmask) + Ones(vmask & (XSyncCAValue(1L<<2) | XSyncCADelta(1L<<4))))) | |||
| 1706 | return BadLength16; | |||
| 1707 | ||||
| 1708 | if (!(pAlarm = malloc(sizeof(SyncAlarm)))) { | |||
| 1709 | return BadAlloc11; | |||
| 1710 | } | |||
| 1711 | ||||
| 1712 | /* set up defaults */ | |||
| 1713 | ||||
| 1714 | pTrigger = &pAlarm->trigger; | |||
| 1715 | pTrigger->pSync = NULL((void*)0); | |||
| 1716 | pTrigger->value_type = XSyncAbsolute; | |||
| 1717 | XSyncIntToValue(&pTrigger->wait_value, 0L)((&pTrigger->wait_value)->hi=((0L<0)?~0:0),(& pTrigger->wait_value)->lo=(0L)); | |||
| 1718 | pTrigger->test_type = XSyncPositiveComparison; | |||
| 1719 | pTrigger->TriggerFired = SyncAlarmTriggerFired; | |||
| 1720 | pTrigger->CounterDestroyed = SyncAlarmCounterDestroyed; | |||
| 1721 | status = SyncInitTrigger(client, pTrigger, None0L, RTCounter, | |||
| 1722 | XSyncCAAllTrigger((1L<<0) | (1L<<1) | (1L<<2) | (1L<<3 ))); | |||
| 1723 | if (status != Success0) { | |||
| 1724 | free(pAlarm); | |||
| 1725 | return status; | |||
| 1726 | } | |||
| 1727 | ||||
| 1728 | pAlarm->client = client; | |||
| 1729 | pAlarm->alarm_id = stuff->id; | |||
| 1730 | XSyncIntToValue(&pAlarm->delta, 1L)((&pAlarm->delta)->hi=((1L<0)?~0:0),(&pAlarm ->delta)->lo=(1L)); | |||
| 1731 | pAlarm->events = TRUE1; | |||
| 1732 | pAlarm->state = XSyncAlarmInactive; | |||
| 1733 | pAlarm->pEventClients = NULL((void*)0); | |||
| 1734 | status = SyncChangeAlarmAttributes(client, pAlarm, vmask, | |||
| 1735 | (CARD32 *) &stuff[1]); | |||
| 1736 | if (status != Success0) { | |||
| 1737 | free(pAlarm); | |||
| 1738 | return status; | |||
| 1739 | } | |||
| 1740 | ||||
| 1741 | if (!AddResourceDarwin_X_AddResource(stuff->id, RTAlarm, pAlarm)) | |||
| 1742 | return BadAlloc11; | |||
| 1743 | ||||
| 1744 | /* see if alarm already triggered. NULL counter will not trigger | |||
| 1745 | * in CreateAlarm and sets alarm state to Inactive. | |||
| 1746 | */ | |||
| 1747 | ||||
| 1748 | if (!pTrigger->pSync) { | |||
| 1749 | pAlarm->state = XSyncAlarmInactive; /* XXX protocol change */ | |||
| 1750 | } | |||
| 1751 | else { | |||
| 1752 | SyncCounter *pCounter; | |||
| 1753 | ||||
| 1754 | if (!SyncCheckWarnIsCounter(pTrigger->pSync, | |||
| 1755 | WARN_INVALID_COUNTER_ALARM)) { | |||
| 1756 | FreeResource(stuff->id, RT_NONE((RESTYPE)0)); | |||
| 1757 | return BadAlloc11; | |||
| 1758 | } | |||
| 1759 | ||||
| 1760 | pCounter = (SyncCounter *) pTrigger->pSync; | |||
| 1761 | ||||
| 1762 | if ((*pTrigger->CheckTrigger) (pTrigger, pCounter->value)) | |||
| 1763 | (*pTrigger->TriggerFired) (pTrigger); | |||
| 1764 | } | |||
| 1765 | ||||
| 1766 | return Success0; | |||
| 1767 | } | |||
| 1768 | ||||
| 1769 | /* | |||
| 1770 | * ** Change Alarm | |||
| 1771 | */ | |||
| 1772 | static int | |||
| 1773 | ProcSyncChangeAlarm(ClientPtr client) | |||
| 1774 | { | |||
| 1775 | REQUEST(xSyncChangeAlarmReq)xSyncChangeAlarmReq *stuff = (xSyncChangeAlarmReq *)client-> requestBuffer; | |||
| 1776 | SyncAlarm *pAlarm; | |||
| 1777 | SyncCounter *pCounter = NULL((void*)0); | |||
| 1778 | long vmask; | |||
| 1779 | int len, status; | |||
| 1780 | ||||
| 1781 | REQUEST_AT_LEAST_SIZE(xSyncChangeAlarmReq)if ((sizeof(xSyncChangeAlarmReq) >> 2) > client-> req_len ) return(16); | |||
| 1782 | ||||
| 1783 | status = dixLookupResourceByType((void **) &pAlarm, stuff->alarm, RTAlarm, | |||
| 1784 | client, DixWriteAccess(1<<1)); | |||
| 1785 | if (status != Success0) | |||
| 1786 | return status; | |||
| 1787 | ||||
| 1788 | vmask = stuff->valueMask; | |||
| 1789 | len = client->req_len - bytes_to_int32(sizeof(xSyncChangeAlarmReq)); | |||
| 1790 | /* the "extra" call to Ones accounts for the presence of 64 bit values */ | |||
| 1791 | if (len != (Ones(vmask) + Ones(vmask & (XSyncCAValue(1L<<2) | XSyncCADelta(1L<<4))))) | |||
| 1792 | return BadLength16; | |||
| 1793 | ||||
| 1794 | if ((status = SyncChangeAlarmAttributes(client, pAlarm, vmask, | |||
| 1795 | (CARD32 *) &stuff[1])) != Success0) | |||
| 1796 | return status; | |||
| 1797 | ||||
| 1798 | if (SyncCheckWarnIsCounter(pAlarm->trigger.pSync, | |||
| 1799 | WARN_INVALID_COUNTER_ALARM)) | |||
| 1800 | pCounter = (SyncCounter *) pAlarm->trigger.pSync; | |||
| 1801 | ||||
| 1802 | /* see if alarm already triggered. NULL counter WILL trigger | |||
| 1803 | * in ChangeAlarm. | |||
| 1804 | */ | |||
| 1805 | ||||
| 1806 | if (!pCounter || | |||
| 1807 | (*pAlarm->trigger.CheckTrigger) (&pAlarm->trigger, pCounter->value)) { | |||
| 1808 | (*pAlarm->trigger.TriggerFired) (&pAlarm->trigger); | |||
| 1809 | } | |||
| 1810 | return Success0; | |||
| 1811 | } | |||
| 1812 | ||||
| 1813 | static int | |||
| 1814 | ProcSyncQueryAlarm(ClientPtr client) | |||
| 1815 | { | |||
| 1816 | REQUEST(xSyncQueryAlarmReq)xSyncQueryAlarmReq *stuff = (xSyncQueryAlarmReq *)client-> requestBuffer; | |||
| 1817 | SyncAlarm *pAlarm; | |||
| 1818 | xSyncQueryAlarmReply rep; | |||
| 1819 | SyncTrigger *pTrigger; | |||
| 1820 | int rc; | |||
| 1821 | ||||
| 1822 | REQUEST_SIZE_MATCH(xSyncQueryAlarmReq)if ((sizeof(xSyncQueryAlarmReq) >> 2) != client->req_len ) return(16); | |||
| 1823 | ||||
| 1824 | rc = dixLookupResourceByType((void **) &pAlarm, stuff->alarm, RTAlarm, | |||
| 1825 | client, DixReadAccess(1<<0)); | |||
| 1826 | if (rc != Success0) | |||
| 1827 | return rc; | |||
| 1828 | ||||
| 1829 | pTrigger = &pAlarm->trigger; | |||
| 1830 | rep = (xSyncQueryAlarmReply) { | |||
| 1831 | .type = X_Reply1, | |||
| 1832 | .sequenceNumber = client->sequence, | |||
| 1833 | .length = | |||
| 1834 | bytes_to_int32(sizeof(xSyncQueryAlarmReply) - sizeof(xGenericReply)), | |||
| 1835 | .counter = (pTrigger->pSync) ? pTrigger->pSync->id : None0L, | |||
| 1836 | ||||
| 1837 | #if 0 /* XXX unclear what to do, depends on whether relative value-types | |||
| 1838 | * are "consumed" immediately and are considered absolute from then | |||
| 1839 | * on. | |||
| 1840 | */ | |||
| 1841 | .value_type = pTrigger->value_type, | |||
| 1842 | .wait_value_hi = XSyncValueHigh32(pTrigger->wait_value)((pTrigger->wait_value).hi), | |||
| 1843 | .wait_value_lo = XSyncValueLow32(pTrigger->wait_value)((pTrigger->wait_value).lo), | |||
| 1844 | #else | |||
| 1845 | .value_type = XSyncAbsolute, | |||
| 1846 | .wait_value_hi = XSyncValueHigh32(pTrigger->test_value)((pTrigger->test_value).hi), | |||
| 1847 | .wait_value_lo = XSyncValueLow32(pTrigger->test_value)((pTrigger->test_value).lo), | |||
| 1848 | #endif | |||
| 1849 | ||||
| 1850 | .test_type = pTrigger->test_type, | |||
| 1851 | .delta_hi = XSyncValueHigh32(pAlarm->delta)((pAlarm->delta).hi), | |||
| 1852 | .delta_lo = XSyncValueLow32(pAlarm->delta)((pAlarm->delta).lo), | |||
| 1853 | .events = pAlarm->events, | |||
| 1854 | .state = pAlarm->state | |||
| 1855 | }; | |||
| 1856 | ||||
| 1857 | if (client->swapped) { | |||
| 1858 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
| 1859 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
| 1860 | swapl(&rep.counter)do { if (sizeof(*(&rep.counter)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.counter) & 3) && ((uintptr_t)(&rep.counter) & 3) == 0) *(&rep.counter ) = lswapl(*(&rep.counter)); else swap_uint32((uint32_t * )(&rep.counter)); } while (0); | |||
| 1861 | swapl(&rep.wait_value_hi)do { if (sizeof(*(&rep.wait_value_hi)) != 4) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&rep.wait_value_hi ) & 3) && ((uintptr_t)(&rep.wait_value_hi) & 3) == 0) *(&rep.wait_value_hi) = lswapl(*(&rep.wait_value_hi )); else swap_uint32((uint32_t *)(&rep.wait_value_hi)); } while (0); | |||
| 1862 | swapl(&rep.wait_value_lo)do { if (sizeof(*(&rep.wait_value_lo)) != 4) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&rep.wait_value_lo ) & 3) && ((uintptr_t)(&rep.wait_value_lo) & 3) == 0) *(&rep.wait_value_lo) = lswapl(*(&rep.wait_value_lo )); else swap_uint32((uint32_t *)(&rep.wait_value_lo)); } while (0); | |||
| 1863 | swapl(&rep.test_type)do { if (sizeof(*(&rep.test_type)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.test_type) & 3 ) && ((uintptr_t)(&rep.test_type) & 3) == 0) * (&rep.test_type) = lswapl(*(&rep.test_type)); else swap_uint32 ((uint32_t *)(&rep.test_type)); } while (0); | |||
| 1864 | swapl(&rep.delta_hi)do { if (sizeof(*(&rep.delta_hi)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.delta_hi) & 3) && ((uintptr_t)(&rep.delta_hi) & 3) == 0) *(&rep.delta_hi ) = lswapl(*(&rep.delta_hi)); else swap_uint32((uint32_t * )(&rep.delta_hi)); } while (0); | |||
| 1865 | swapl(&rep.delta_lo)do { if (sizeof(*(&rep.delta_lo)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.delta_lo) & 3) && ((uintptr_t)(&rep.delta_lo) & 3) == 0) *(&rep.delta_lo ) = lswapl(*(&rep.delta_lo)); else swap_uint32((uint32_t * )(&rep.delta_lo)); } while (0); | |||
| 1866 | } | |||
| 1867 | ||||
| 1868 | WriteToClient(client, sizeof(xSyncQueryAlarmReply), &rep); | |||
| 1869 | return Success0; | |||
| 1870 | } | |||
| 1871 | ||||
| 1872 | static int | |||
| 1873 | ProcSyncDestroyAlarm(ClientPtr client) | |||
| 1874 | { | |||
| 1875 | SyncAlarm *pAlarm; | |||
| 1876 | int rc; | |||
| 1877 | ||||
| 1878 | REQUEST(xSyncDestroyAlarmReq)xSyncDestroyAlarmReq *stuff = (xSyncDestroyAlarmReq *)client-> requestBuffer; | |||
| 1879 | ||||
| 1880 | REQUEST_SIZE_MATCH(xSyncDestroyAlarmReq)if ((sizeof(xSyncDestroyAlarmReq) >> 2) != client->req_len ) return(16); | |||
| 1881 | ||||
| 1882 | rc = dixLookupResourceByType((void **) &pAlarm, stuff->alarm, RTAlarm, | |||
| 1883 | client, DixDestroyAccess(1<<2)); | |||
| 1884 | if (rc != Success0) | |||
| 1885 | return rc; | |||
| 1886 | ||||
| 1887 | FreeResource(stuff->alarm, RT_NONE((RESTYPE)0)); | |||
| 1888 | return Success0; | |||
| 1889 | } | |||
| 1890 | ||||
| 1891 | static int | |||
| 1892 | ProcSyncCreateFence(ClientPtr client) | |||
| 1893 | { | |||
| 1894 | REQUEST(xSyncCreateFenceReq)xSyncCreateFenceReq *stuff = (xSyncCreateFenceReq *)client-> requestBuffer; | |||
| 1895 | DrawablePtr pDraw; | |||
| 1896 | SyncFence *pFence; | |||
| 1897 | int rc; | |||
| 1898 | ||||
| 1899 | REQUEST_SIZE_MATCH(xSyncCreateFenceReq)if ((sizeof(xSyncCreateFenceReq) >> 2) != client->req_len ) return(16); | |||
| 1900 | ||||
| 1901 | rc = dixLookupDrawable(&pDraw, stuff->d, client, M_ANY(-1), DixGetAttrAccess(1<<4)); | |||
| 1902 | if (rc != Success0) | |||
| 1903 | return rc; | |||
| 1904 | ||||
| 1905 | LEGAL_NEW_RESOURCE(stuff->fid, client)if (!LegalNewID(stuff->fid,client)) { client->errorValue = stuff->fid; return 14; }; | |||
| 1906 | ||||
| 1907 | if (!(pFence = (SyncFence *) SyncCreate(client, stuff->fid, SYNC_FENCE1))) | |||
| 1908 | return BadAlloc11; | |||
| 1909 | ||||
| 1910 | miSyncInitFence(pDraw->pScreen, pFence, stuff->initially_triggered); | |||
| 1911 | ||||
| 1912 | if (!AddResourceDarwin_X_AddResource(stuff->fid, RTFence, (void *) pFence)) | |||
| 1913 | return BadAlloc11; | |||
| 1914 | ||||
| 1915 | return client->noClientException; | |||
| 1916 | } | |||
| 1917 | ||||
| 1918 | static int | |||
| 1919 | FreeFence(void *obj, XID id) | |||
| 1920 | { | |||
| 1921 | SyncFence *pFence = (SyncFence *) obj; | |||
| 1922 | ||||
| 1923 | miSyncDestroyFence(pFence); | |||
| 1924 | ||||
| 1925 | return Success0; | |||
| 1926 | } | |||
| 1927 | ||||
| 1928 | int | |||
| 1929 | SyncVerifyFence(SyncFence ** ppSyncFence, XID fid, ClientPtr client, Mask mode) | |||
| 1930 | { | |||
| 1931 | int rc = dixLookupResourceByType((void **) ppSyncFence, fid, RTFence, | |||
| 1932 | client, mode); | |||
| 1933 | ||||
| 1934 | if (rc != Success0) | |||
| 1935 | client->errorValue = fid; | |||
| 1936 | ||||
| 1937 | return rc; | |||
| 1938 | } | |||
| 1939 | ||||
| 1940 | static int | |||
| 1941 | ProcSyncTriggerFence(ClientPtr client) | |||
| 1942 | { | |||
| 1943 | REQUEST(xSyncTriggerFenceReq)xSyncTriggerFenceReq *stuff = (xSyncTriggerFenceReq *)client-> requestBuffer; | |||
| 1944 | SyncFence *pFence; | |||
| 1945 | int rc; | |||
| 1946 | ||||
| 1947 | REQUEST_SIZE_MATCH(xSyncTriggerFenceReq)if ((sizeof(xSyncTriggerFenceReq) >> 2) != client->req_len ) return(16); | |||
| 1948 | ||||
| 1949 | rc = dixLookupResourceByType((void **) &pFence, stuff->fid, RTFence, | |||
| 1950 | client, DixWriteAccess(1<<1)); | |||
| 1951 | if (rc != Success0) | |||
| 1952 | return rc; | |||
| 1953 | ||||
| 1954 | miSyncTriggerFence(pFence); | |||
| 1955 | ||||
| 1956 | return client->noClientException; | |||
| 1957 | } | |||
| 1958 | ||||
| 1959 | static int | |||
| 1960 | ProcSyncResetFence(ClientPtr client) | |||
| 1961 | { | |||
| 1962 | REQUEST(xSyncResetFenceReq)xSyncResetFenceReq *stuff = (xSyncResetFenceReq *)client-> requestBuffer; | |||
| 1963 | SyncFence *pFence; | |||
| 1964 | int rc; | |||
| 1965 | ||||
| 1966 | REQUEST_SIZE_MATCH(xSyncResetFenceReq)if ((sizeof(xSyncResetFenceReq) >> 2) != client->req_len ) return(16); | |||
| 1967 | ||||
| 1968 | rc = dixLookupResourceByType((void **) &pFence, stuff->fid, RTFence, | |||
| 1969 | client, DixWriteAccess(1<<1)); | |||
| 1970 | if (rc != Success0) | |||
| 1971 | return rc; | |||
| 1972 | ||||
| 1973 | if (pFence->funcs.CheckTriggered(pFence) != TRUE1) | |||
| 1974 | return BadMatch8; | |||
| 1975 | ||||
| 1976 | pFence->funcs.Reset(pFence); | |||
| 1977 | ||||
| 1978 | return client->noClientException; | |||
| 1979 | } | |||
| 1980 | ||||
| 1981 | static int | |||
| 1982 | ProcSyncDestroyFence(ClientPtr client) | |||
| 1983 | { | |||
| 1984 | REQUEST(xSyncDestroyFenceReq)xSyncDestroyFenceReq *stuff = (xSyncDestroyFenceReq *)client-> requestBuffer; | |||
| 1985 | SyncFence *pFence; | |||
| 1986 | int rc; | |||
| 1987 | ||||
| 1988 | REQUEST_SIZE_MATCH(xSyncDestroyFenceReq)if ((sizeof(xSyncDestroyFenceReq) >> 2) != client->req_len ) return(16); | |||
| 1989 | ||||
| 1990 | rc = dixLookupResourceByType((void **) &pFence, stuff->fid, RTFence, | |||
| 1991 | client, DixDestroyAccess(1<<2)); | |||
| 1992 | if (rc != Success0) | |||
| 1993 | return rc; | |||
| 1994 | ||||
| 1995 | FreeResource(stuff->fid, RT_NONE((RESTYPE)0)); | |||
| 1996 | return client->noClientException; | |||
| 1997 | } | |||
| 1998 | ||||
| 1999 | static int | |||
| 2000 | ProcSyncQueryFence(ClientPtr client) | |||
| 2001 | { | |||
| 2002 | REQUEST(xSyncQueryFenceReq)xSyncQueryFenceReq *stuff = (xSyncQueryFenceReq *)client-> requestBuffer; | |||
| 2003 | xSyncQueryFenceReply rep; | |||
| 2004 | SyncFence *pFence; | |||
| 2005 | int rc; | |||
| 2006 | ||||
| 2007 | REQUEST_SIZE_MATCH(xSyncQueryFenceReq)if ((sizeof(xSyncQueryFenceReq) >> 2) != client->req_len ) return(16); | |||
| 2008 | ||||
| 2009 | rc = dixLookupResourceByType((void **) &pFence, stuff->fid, | |||
| 2010 | RTFence, client, DixReadAccess(1<<0)); | |||
| 2011 | if (rc != Success0) | |||
| 2012 | return rc; | |||
| 2013 | ||||
| 2014 | rep = (xSyncQueryFenceReply) { | |||
| 2015 | .type = X_Reply1, | |||
| 2016 | .sequenceNumber = client->sequence, | |||
| 2017 | .length = 0, | |||
| 2018 | ||||
| 2019 | .triggered = pFence->funcs.CheckTriggered(pFence) | |||
| 2020 | }; | |||
| 2021 | ||||
| 2022 | if (client->swapped) { | |||
| 2023 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
| 2024 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
| 2025 | } | |||
| 2026 | ||||
| 2027 | WriteToClient(client, sizeof(xSyncQueryFenceReply), &rep); | |||
| 2028 | return client->noClientException; | |||
| 2029 | } | |||
| 2030 | ||||
| 2031 | static int | |||
| 2032 | ProcSyncAwaitFence(ClientPtr client) | |||
| 2033 | { | |||
| 2034 | REQUEST(xSyncAwaitFenceReq)xSyncAwaitFenceReq *stuff = (xSyncAwaitFenceReq *)client-> requestBuffer; | |||
| 2035 | SyncAwaitUnion *pAwaitUnion; | |||
| 2036 | SyncAwait *pAwait; | |||
| 2037 | ||||
| 2038 | /* Use CARD32 rather than XSyncFence because XIDs are hard-coded to | |||
| 2039 | * CARD32 in protocol definitions */ | |||
| 2040 | CARD32 *pProtocolFences; | |||
| 2041 | int status; | |||
| 2042 | int len; | |||
| 2043 | int items; | |||
| 2044 | int i; | |||
| 2045 | ||||
| 2046 | REQUEST_AT_LEAST_SIZE(xSyncAwaitFenceReq)if ((sizeof(xSyncAwaitFenceReq) >> 2) > client->req_len ) return(16); | |||
| 2047 | ||||
| 2048 | len = client->req_len << 2; | |||
| 2049 | len -= sz_xSyncAwaitFenceReq4; | |||
| 2050 | items = len / sizeof(CARD32); | |||
| 2051 | ||||
| 2052 | if (items * sizeof(CARD32) != len) { | |||
| 2053 | return BadLength16; | |||
| 2054 | } | |||
| 2055 | if (items == 0) { | |||
| 2056 | client->errorValue = items; | |||
| 2057 | return BadValue2; | |||
| 2058 | } | |||
| 2059 | ||||
| 2060 | if (!(pAwaitUnion = SyncAwaitPrologue(client, items))) | |||
| 2061 | return BadAlloc11; | |||
| 2062 | ||||
| 2063 | /* don't need to do any more memory allocation for this request! */ | |||
| 2064 | ||||
| 2065 | pProtocolFences = (CARD32 *) &stuff[1]; | |||
| 2066 | ||||
| 2067 | pAwait = &(pAwaitUnion + 1)->await; /* skip over header */ | |||
| 2068 | for (i = 0; i < items; i++, pProtocolFences++, pAwait++) { | |||
| 2069 | if (*pProtocolFences == None0L) { | |||
| 2070 | /* this should take care of removing any triggers created by | |||
| 2071 | * this request that have already been registered on sync objects | |||
| 2072 | */ | |||
| 2073 | FreeResource(pAwaitUnion->header.delete_id, RT_NONE((RESTYPE)0)); | |||
| 2074 | client->errorValue = *pProtocolFences; | |||
| 2075 | return SyncErrorBase + XSyncBadFence2L; | |||
| 2076 | } | |||
| 2077 | ||||
| 2078 | pAwait->trigger.pSync = NULL((void*)0); | |||
| 2079 | /* Provide acceptable values for these unused fields to | |||
| 2080 | * satisfy SyncInitTrigger's validation logic | |||
| 2081 | */ | |||
| 2082 | pAwait->trigger.value_type = XSyncAbsolute; | |||
| 2083 | XSyncIntToValue(&pAwait->trigger.wait_value, 0)((&pAwait->trigger.wait_value)->hi=((0<0)?~0:0), (&pAwait->trigger.wait_value)->lo=(0)); | |||
| 2084 | pAwait->trigger.test_type = 0; | |||
| 2085 | ||||
| 2086 | status = SyncInitTrigger(client, &pAwait->trigger, | |||
| 2087 | *pProtocolFences, RTFence, XSyncCAAllTrigger((1L<<0) | (1L<<1) | (1L<<2) | (1L<<3 ))); | |||
| 2088 | if (status != Success0) { | |||
| 2089 | /* this should take care of removing any triggers created by | |||
| 2090 | * this request that have already been registered on sync objects | |||
| 2091 | */ | |||
| 2092 | FreeResource(pAwaitUnion->header.delete_id, RT_NONE((RESTYPE)0)); | |||
| 2093 | return status; | |||
| 2094 | } | |||
| 2095 | /* this is not a mistake -- same function works for both cases */ | |||
| 2096 | pAwait->trigger.TriggerFired = SyncAwaitTriggerFired; | |||
| 2097 | pAwait->trigger.CounterDestroyed = SyncAwaitTriggerFired; | |||
| 2098 | /* event_threshold is unused for fence syncs */ | |||
| 2099 | XSyncIntToValue(&pAwait->event_threshold, 0)((&pAwait->event_threshold)->hi=((0<0)?~0:0),(& pAwait->event_threshold)->lo=(0)); | |||
| 2100 | pAwait->pHeader = &pAwaitUnion->header; | |||
| 2101 | pAwaitUnion->header.num_waitconditions++; | |||
| 2102 | } | |||
| 2103 | ||||
| 2104 | SyncAwaitEpilogue(client, items, pAwaitUnion); | |||
| 2105 | ||||
| 2106 | return client->noClientException; | |||
| 2107 | } | |||
| 2108 | ||||
| 2109 | /* | |||
| 2110 | * ** Given an extension request, call the appropriate request procedure | |||
| 2111 | */ | |||
| 2112 | static int | |||
| 2113 | ProcSyncDispatch(ClientPtr client) | |||
| 2114 | { | |||
| 2115 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; | |||
| 2116 | ||||
| 2117 | switch (stuff->data) { | |||
| 2118 | case X_SyncInitialize0: | |||
| 2119 | return ProcSyncInitialize(client); | |||
| 2120 | case X_SyncListSystemCounters1: | |||
| 2121 | return ProcSyncListSystemCounters(client); | |||
| 2122 | case X_SyncCreateCounter2: | |||
| 2123 | return ProcSyncCreateCounter(client); | |||
| 2124 | case X_SyncSetCounter3: | |||
| 2125 | return ProcSyncSetCounter(client); | |||
| 2126 | case X_SyncChangeCounter4: | |||
| 2127 | return ProcSyncChangeCounter(client); | |||
| 2128 | case X_SyncQueryCounter5: | |||
| 2129 | return ProcSyncQueryCounter(client); | |||
| 2130 | case X_SyncDestroyCounter6: | |||
| 2131 | return ProcSyncDestroyCounter(client); | |||
| 2132 | case X_SyncAwait7: | |||
| 2133 | return ProcSyncAwait(client); | |||
| 2134 | case X_SyncCreateAlarm8: | |||
| 2135 | return ProcSyncCreateAlarm(client); | |||
| 2136 | case X_SyncChangeAlarm9: | |||
| 2137 | return ProcSyncChangeAlarm(client); | |||
| 2138 | case X_SyncQueryAlarm10: | |||
| 2139 | return ProcSyncQueryAlarm(client); | |||
| 2140 | case X_SyncDestroyAlarm11: | |||
| 2141 | return ProcSyncDestroyAlarm(client); | |||
| 2142 | case X_SyncSetPriority12: | |||
| 2143 | return ProcSyncSetPriority(client); | |||
| 2144 | case X_SyncGetPriority13: | |||
| 2145 | return ProcSyncGetPriority(client); | |||
| 2146 | case X_SyncCreateFence14: | |||
| 2147 | return ProcSyncCreateFence(client); | |||
| 2148 | case X_SyncTriggerFence15: | |||
| 2149 | return ProcSyncTriggerFence(client); | |||
| 2150 | case X_SyncResetFence16: | |||
| 2151 | return ProcSyncResetFence(client); | |||
| 2152 | case X_SyncDestroyFence17: | |||
| 2153 | return ProcSyncDestroyFence(client); | |||
| 2154 | case X_SyncQueryFence18: | |||
| 2155 | return ProcSyncQueryFence(client); | |||
| 2156 | case X_SyncAwaitFence19: | |||
| 2157 | return ProcSyncAwaitFence(client); | |||
| 2158 | default: | |||
| 2159 | return BadRequest1; | |||
| 2160 | } | |||
| 2161 | } | |||
| 2162 | ||||
| 2163 | /* | |||
| 2164 | * Boring Swapping stuff ... | |||
| 2165 | */ | |||
| 2166 | ||||
| 2167 | static int | |||
| 2168 | SProcSyncInitialize(ClientPtr client) | |||
| 2169 | { | |||
| 2170 | REQUEST(xSyncInitializeReq)xSyncInitializeReq *stuff = (xSyncInitializeReq *)client-> requestBuffer; | |||
| 2171 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2172 | REQUEST_SIZE_MATCH(xSyncInitializeReq)if ((sizeof(xSyncInitializeReq) >> 2) != client->req_len ) return(16); | |||
| 2173 | ||||
| 2174 | return ProcSyncInitialize(client); | |||
| 2175 | } | |||
| 2176 | ||||
| 2177 | static int | |||
| 2178 | SProcSyncListSystemCounters(ClientPtr client) | |||
| 2179 | { | |||
| 2180 | REQUEST(xSyncListSystemCountersReq)xSyncListSystemCountersReq *stuff = (xSyncListSystemCountersReq *)client->requestBuffer; | |||
| 2181 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2182 | REQUEST_SIZE_MATCH(xSyncListSystemCountersReq)if ((sizeof(xSyncListSystemCountersReq) >> 2) != client ->req_len) return(16); | |||
| 2183 | ||||
| 2184 | return ProcSyncListSystemCounters(client); | |||
| 2185 | } | |||
| 2186 | ||||
| 2187 | static int | |||
| 2188 | SProcSyncCreateCounter(ClientPtr client) | |||
| 2189 | { | |||
| 2190 | REQUEST(xSyncCreateCounterReq)xSyncCreateCounterReq *stuff = (xSyncCreateCounterReq *)client ->requestBuffer; | |||
| 2191 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2192 | REQUEST_SIZE_MATCH(xSyncCreateCounterReq)if ((sizeof(xSyncCreateCounterReq) >> 2) != client-> req_len) return(16); | |||
| 2193 | swapl(&stuff->cid)do { if (sizeof(*(&stuff->cid)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->cid) & 3 ) && ((uintptr_t)(&stuff->cid) & 3) == 0) * (&stuff->cid) = lswapl(*(&stuff->cid)); else swap_uint32 ((uint32_t *)(&stuff->cid)); } while (0); | |||
| 2194 | swapl(&stuff->initial_value_lo)do { if (sizeof(*(&stuff->initial_value_lo)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&stuff->initial_value_lo ) & 3) && ((uintptr_t)(&stuff->initial_value_lo ) & 3) == 0) *(&stuff->initial_value_lo) = lswapl( *(&stuff->initial_value_lo)); else swap_uint32((uint32_t *)(&stuff->initial_value_lo)); } while (0); | |||
| 2195 | swapl(&stuff->initial_value_hi)do { if (sizeof(*(&stuff->initial_value_hi)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&stuff->initial_value_hi ) & 3) && ((uintptr_t)(&stuff->initial_value_hi ) & 3) == 0) *(&stuff->initial_value_hi) = lswapl( *(&stuff->initial_value_hi)); else swap_uint32((uint32_t *)(&stuff->initial_value_hi)); } while (0); | |||
| 2196 | ||||
| 2197 | return ProcSyncCreateCounter(client); | |||
| 2198 | } | |||
| 2199 | ||||
| 2200 | static int | |||
| 2201 | SProcSyncSetCounter(ClientPtr client) | |||
| 2202 | { | |||
| 2203 | REQUEST(xSyncSetCounterReq)xSyncSetCounterReq *stuff = (xSyncSetCounterReq *)client-> requestBuffer; | |||
| 2204 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2205 | REQUEST_SIZE_MATCH(xSyncSetCounterReq)if ((sizeof(xSyncSetCounterReq) >> 2) != client->req_len ) return(16); | |||
| 2206 | swapl(&stuff->cid)do { if (sizeof(*(&stuff->cid)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->cid) & 3 ) && ((uintptr_t)(&stuff->cid) & 3) == 0) * (&stuff->cid) = lswapl(*(&stuff->cid)); else swap_uint32 ((uint32_t *)(&stuff->cid)); } while (0); | |||
| 2207 | swapl(&stuff->value_lo)do { if (sizeof(*(&stuff->value_lo)) != 4) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&stuff->value_lo ) & 3) && ((uintptr_t)(&stuff->value_lo) & 3) == 0) *(&stuff->value_lo) = lswapl(*(&stuff-> value_lo)); else swap_uint32((uint32_t *)(&stuff->value_lo )); } while (0); | |||
| 2208 | swapl(&stuff->value_hi)do { if (sizeof(*(&stuff->value_hi)) != 4) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&stuff->value_hi ) & 3) && ((uintptr_t)(&stuff->value_hi) & 3) == 0) *(&stuff->value_hi) = lswapl(*(&stuff-> value_hi)); else swap_uint32((uint32_t *)(&stuff->value_hi )); } while (0); | |||
| 2209 | ||||
| 2210 | return ProcSyncSetCounter(client); | |||
| 2211 | } | |||
| 2212 | ||||
| 2213 | static int | |||
| 2214 | SProcSyncChangeCounter(ClientPtr client) | |||
| 2215 | { | |||
| 2216 | REQUEST(xSyncChangeCounterReq)xSyncChangeCounterReq *stuff = (xSyncChangeCounterReq *)client ->requestBuffer; | |||
| 2217 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2218 | REQUEST_SIZE_MATCH(xSyncChangeCounterReq)if ((sizeof(xSyncChangeCounterReq) >> 2) != client-> req_len) return(16); | |||
| 2219 | swapl(&stuff->cid)do { if (sizeof(*(&stuff->cid)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->cid) & 3 ) && ((uintptr_t)(&stuff->cid) & 3) == 0) * (&stuff->cid) = lswapl(*(&stuff->cid)); else swap_uint32 ((uint32_t *)(&stuff->cid)); } while (0); | |||
| 2220 | swapl(&stuff->value_lo)do { if (sizeof(*(&stuff->value_lo)) != 4) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&stuff->value_lo ) & 3) && ((uintptr_t)(&stuff->value_lo) & 3) == 0) *(&stuff->value_lo) = lswapl(*(&stuff-> value_lo)); else swap_uint32((uint32_t *)(&stuff->value_lo )); } while (0); | |||
| 2221 | swapl(&stuff->value_hi)do { if (sizeof(*(&stuff->value_hi)) != 4) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&stuff->value_hi ) & 3) && ((uintptr_t)(&stuff->value_hi) & 3) == 0) *(&stuff->value_hi) = lswapl(*(&stuff-> value_hi)); else swap_uint32((uint32_t *)(&stuff->value_hi )); } while (0); | |||
| 2222 | ||||
| 2223 | return ProcSyncChangeCounter(client); | |||
| 2224 | } | |||
| 2225 | ||||
| 2226 | static int | |||
| 2227 | SProcSyncQueryCounter(ClientPtr client) | |||
| 2228 | { | |||
| 2229 | REQUEST(xSyncQueryCounterReq)xSyncQueryCounterReq *stuff = (xSyncQueryCounterReq *)client-> requestBuffer; | |||
| 2230 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2231 | REQUEST_SIZE_MATCH(xSyncQueryCounterReq)if ((sizeof(xSyncQueryCounterReq) >> 2) != client->req_len ) return(16); | |||
| 2232 | swapl(&stuff->counter)do { if (sizeof(*(&stuff->counter)) != 4) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&stuff->counter ) & 3) && ((uintptr_t)(&stuff->counter) & 3) == 0) *(&stuff->counter) = lswapl(*(&stuff-> counter)); else swap_uint32((uint32_t *)(&stuff->counter )); } while (0); | |||
| 2233 | ||||
| 2234 | return ProcSyncQueryCounter(client); | |||
| 2235 | } | |||
| 2236 | ||||
| 2237 | static int | |||
| 2238 | SProcSyncDestroyCounter(ClientPtr client) | |||
| 2239 | { | |||
| 2240 | REQUEST(xSyncDestroyCounterReq)xSyncDestroyCounterReq *stuff = (xSyncDestroyCounterReq *)client ->requestBuffer; | |||
| 2241 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2242 | REQUEST_SIZE_MATCH(xSyncDestroyCounterReq)if ((sizeof(xSyncDestroyCounterReq) >> 2) != client-> req_len) return(16); | |||
| 2243 | swapl(&stuff->counter)do { if (sizeof(*(&stuff->counter)) != 4) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&stuff->counter ) & 3) && ((uintptr_t)(&stuff->counter) & 3) == 0) *(&stuff->counter) = lswapl(*(&stuff-> counter)); else swap_uint32((uint32_t *)(&stuff->counter )); } while (0); | |||
| 2244 | ||||
| 2245 | return ProcSyncDestroyCounter(client); | |||
| ||||
| 2246 | } | |||
| 2247 | ||||
| 2248 | static int | |||
| 2249 | SProcSyncAwait(ClientPtr client) | |||
| 2250 | { | |||
| 2251 | REQUEST(xSyncAwaitReq)xSyncAwaitReq *stuff = (xSyncAwaitReq *)client->requestBuffer; | |||
| 2252 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2253 | REQUEST_AT_LEAST_SIZE(xSyncAwaitReq)if ((sizeof(xSyncAwaitReq) >> 2) > client->req_len ) return(16); | |||
| 2254 | SwapRestL(stuff)SwapLongs((CARD32 *)(stuff + 1), (client->req_len - (sizeof (*stuff) >> 2))); | |||
| 2255 | ||||
| 2256 | return ProcSyncAwait(client); | |||
| 2257 | } | |||
| 2258 | ||||
| 2259 | static int | |||
| 2260 | SProcSyncCreateAlarm(ClientPtr client) | |||
| 2261 | { | |||
| 2262 | REQUEST(xSyncCreateAlarmReq)xSyncCreateAlarmReq *stuff = (xSyncCreateAlarmReq *)client-> requestBuffer; | |||
| 2263 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2264 | REQUEST_AT_LEAST_SIZE(xSyncCreateAlarmReq)if ((sizeof(xSyncCreateAlarmReq) >> 2) > client-> req_len ) return(16); | |||
| 2265 | swapl(&stuff->id)do { if (sizeof(*(&stuff->id)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&stuff->id) & 3) && ((uintptr_t)(&stuff->id) & 3) == 0) *(&stuff-> id) = lswapl(*(&stuff->id)); else swap_uint32((uint32_t *)(&stuff->id)); } while (0); | |||
| 2266 | swapl(&stuff->valueMask)do { if (sizeof(*(&stuff->valueMask)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&stuff->valueMask ) & 3) && ((uintptr_t)(&stuff->valueMask) & 3) == 0) *(&stuff->valueMask) = lswapl(*(&stuff-> valueMask)); else swap_uint32((uint32_t *)(&stuff->valueMask )); } while (0); | |||
| 2267 | SwapRestL(stuff)SwapLongs((CARD32 *)(stuff + 1), (client->req_len - (sizeof (*stuff) >> 2))); | |||
| 2268 | ||||
| 2269 | return ProcSyncCreateAlarm(client); | |||
| 2270 | } | |||
| 2271 | ||||
| 2272 | static int | |||
| 2273 | SProcSyncChangeAlarm(ClientPtr client) | |||
| 2274 | { | |||
| 2275 | REQUEST(xSyncChangeAlarmReq)xSyncChangeAlarmReq *stuff = (xSyncChangeAlarmReq *)client-> requestBuffer; | |||
| 2276 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2277 | REQUEST_AT_LEAST_SIZE(xSyncChangeAlarmReq)if ((sizeof(xSyncChangeAlarmReq) >> 2) > client-> req_len ) return(16); | |||
| 2278 | swapl(&stuff->alarm)do { if (sizeof(*(&stuff->alarm)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->alarm) & 3) && ((uintptr_t)(&stuff->alarm) & 3) == 0) *(&stuff->alarm) = lswapl(*(&stuff->alarm)) ; else swap_uint32((uint32_t *)(&stuff->alarm)); } while (0); | |||
| 2279 | swapl(&stuff->valueMask)do { if (sizeof(*(&stuff->valueMask)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&stuff->valueMask ) & 3) && ((uintptr_t)(&stuff->valueMask) & 3) == 0) *(&stuff->valueMask) = lswapl(*(&stuff-> valueMask)); else swap_uint32((uint32_t *)(&stuff->valueMask )); } while (0); | |||
| 2280 | SwapRestL(stuff)SwapLongs((CARD32 *)(stuff + 1), (client->req_len - (sizeof (*stuff) >> 2))); | |||
| 2281 | return ProcSyncChangeAlarm(client); | |||
| 2282 | } | |||
| 2283 | ||||
| 2284 | static int | |||
| 2285 | SProcSyncQueryAlarm(ClientPtr client) | |||
| 2286 | { | |||
| 2287 | REQUEST(xSyncQueryAlarmReq)xSyncQueryAlarmReq *stuff = (xSyncQueryAlarmReq *)client-> requestBuffer; | |||
| 2288 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2289 | REQUEST_SIZE_MATCH(xSyncQueryAlarmReq)if ((sizeof(xSyncQueryAlarmReq) >> 2) != client->req_len ) return(16); | |||
| 2290 | swapl(&stuff->alarm)do { if (sizeof(*(&stuff->alarm)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->alarm) & 3) && ((uintptr_t)(&stuff->alarm) & 3) == 0) *(&stuff->alarm) = lswapl(*(&stuff->alarm)) ; else swap_uint32((uint32_t *)(&stuff->alarm)); } while (0); | |||
| 2291 | ||||
| 2292 | return ProcSyncQueryAlarm(client); | |||
| 2293 | } | |||
| 2294 | ||||
| 2295 | static int | |||
| 2296 | SProcSyncDestroyAlarm(ClientPtr client) | |||
| 2297 | { | |||
| 2298 | REQUEST(xSyncDestroyAlarmReq)xSyncDestroyAlarmReq *stuff = (xSyncDestroyAlarmReq *)client-> requestBuffer; | |||
| 2299 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2300 | REQUEST_SIZE_MATCH(xSyncDestroyAlarmReq)if ((sizeof(xSyncDestroyAlarmReq) >> 2) != client->req_len ) return(16); | |||
| 2301 | swapl(&stuff->alarm)do { if (sizeof(*(&stuff->alarm)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->alarm) & 3) && ((uintptr_t)(&stuff->alarm) & 3) == 0) *(&stuff->alarm) = lswapl(*(&stuff->alarm)) ; else swap_uint32((uint32_t *)(&stuff->alarm)); } while (0); | |||
| 2302 | ||||
| 2303 | return ProcSyncDestroyAlarm(client); | |||
| 2304 | } | |||
| 2305 | ||||
| 2306 | static int | |||
| 2307 | SProcSyncSetPriority(ClientPtr client) | |||
| 2308 | { | |||
| 2309 | REQUEST(xSyncSetPriorityReq)xSyncSetPriorityReq *stuff = (xSyncSetPriorityReq *)client-> requestBuffer; | |||
| 2310 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2311 | REQUEST_SIZE_MATCH(xSyncSetPriorityReq)if ((sizeof(xSyncSetPriorityReq) >> 2) != client->req_len ) return(16); | |||
| 2312 | swapl(&stuff->id)do { if (sizeof(*(&stuff->id)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&stuff->id) & 3) && ((uintptr_t)(&stuff->id) & 3) == 0) *(&stuff-> id) = lswapl(*(&stuff->id)); else swap_uint32((uint32_t *)(&stuff->id)); } while (0); | |||
| 2313 | swapl(&stuff->priority)do { if (sizeof(*(&stuff->priority)) != 4) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&stuff->priority ) & 3) && ((uintptr_t)(&stuff->priority) & 3) == 0) *(&stuff->priority) = lswapl(*(&stuff-> priority)); else swap_uint32((uint32_t *)(&stuff->priority )); } while (0); | |||
| 2314 | ||||
| 2315 | return ProcSyncSetPriority(client); | |||
| 2316 | } | |||
| 2317 | ||||
| 2318 | static int | |||
| 2319 | SProcSyncGetPriority(ClientPtr client) | |||
| 2320 | { | |||
| 2321 | REQUEST(xSyncGetPriorityReq)xSyncGetPriorityReq *stuff = (xSyncGetPriorityReq *)client-> requestBuffer; | |||
| 2322 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2323 | REQUEST_SIZE_MATCH(xSyncGetPriorityReq)if ((sizeof(xSyncGetPriorityReq) >> 2) != client->req_len ) return(16); | |||
| 2324 | swapl(&stuff->id)do { if (sizeof(*(&stuff->id)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&stuff->id) & 3) && ((uintptr_t)(&stuff->id) & 3) == 0) *(&stuff-> id) = lswapl(*(&stuff->id)); else swap_uint32((uint32_t *)(&stuff->id)); } while (0); | |||
| 2325 | ||||
| 2326 | return ProcSyncGetPriority(client); | |||
| 2327 | } | |||
| 2328 | ||||
| 2329 | static int | |||
| 2330 | SProcSyncCreateFence(ClientPtr client) | |||
| 2331 | { | |||
| 2332 | REQUEST(xSyncCreateFenceReq)xSyncCreateFenceReq *stuff = (xSyncCreateFenceReq *)client-> requestBuffer; | |||
| 2333 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2334 | REQUEST_SIZE_MATCH(xSyncCreateFenceReq)if ((sizeof(xSyncCreateFenceReq) >> 2) != client->req_len ) return(16); | |||
| 2335 | swapl(&stuff->fid)do { if (sizeof(*(&stuff->fid)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->fid) & 3 ) && ((uintptr_t)(&stuff->fid) & 3) == 0) * (&stuff->fid) = lswapl(*(&stuff->fid)); else swap_uint32 ((uint32_t *)(&stuff->fid)); } while (0); | |||
| 2336 | ||||
| 2337 | return ProcSyncCreateFence(client); | |||
| 2338 | } | |||
| 2339 | ||||
| 2340 | static int | |||
| 2341 | SProcSyncTriggerFence(ClientPtr client) | |||
| 2342 | { | |||
| 2343 | REQUEST(xSyncTriggerFenceReq)xSyncTriggerFenceReq *stuff = (xSyncTriggerFenceReq *)client-> requestBuffer; | |||
| 2344 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2345 | REQUEST_SIZE_MATCH(xSyncTriggerFenceReq)if ((sizeof(xSyncTriggerFenceReq) >> 2) != client->req_len ) return(16); | |||
| 2346 | swapl(&stuff->fid)do { if (sizeof(*(&stuff->fid)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->fid) & 3 ) && ((uintptr_t)(&stuff->fid) & 3) == 0) * (&stuff->fid) = lswapl(*(&stuff->fid)); else swap_uint32 ((uint32_t *)(&stuff->fid)); } while (0); | |||
| 2347 | ||||
| 2348 | return ProcSyncTriggerFence(client); | |||
| 2349 | } | |||
| 2350 | ||||
| 2351 | static int | |||
| 2352 | SProcSyncResetFence(ClientPtr client) | |||
| 2353 | { | |||
| 2354 | REQUEST(xSyncResetFenceReq)xSyncResetFenceReq *stuff = (xSyncResetFenceReq *)client-> requestBuffer; | |||
| 2355 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2356 | REQUEST_SIZE_MATCH(xSyncResetFenceReq)if ((sizeof(xSyncResetFenceReq) >> 2) != client->req_len ) return(16); | |||
| 2357 | swapl(&stuff->fid)do { if (sizeof(*(&stuff->fid)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->fid) & 3 ) && ((uintptr_t)(&stuff->fid) & 3) == 0) * (&stuff->fid) = lswapl(*(&stuff->fid)); else swap_uint32 ((uint32_t *)(&stuff->fid)); } while (0); | |||
| 2358 | ||||
| 2359 | return ProcSyncResetFence(client); | |||
| 2360 | } | |||
| 2361 | ||||
| 2362 | static int | |||
| 2363 | SProcSyncDestroyFence(ClientPtr client) | |||
| 2364 | { | |||
| 2365 | REQUEST(xSyncDestroyFenceReq)xSyncDestroyFenceReq *stuff = (xSyncDestroyFenceReq *)client-> requestBuffer; | |||
| 2366 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2367 | REQUEST_SIZE_MATCH(xSyncDestroyFenceReq)if ((sizeof(xSyncDestroyFenceReq) >> 2) != client->req_len ) return(16); | |||
| 2368 | swapl(&stuff->fid)do { if (sizeof(*(&stuff->fid)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->fid) & 3 ) && ((uintptr_t)(&stuff->fid) & 3) == 0) * (&stuff->fid) = lswapl(*(&stuff->fid)); else swap_uint32 ((uint32_t *)(&stuff->fid)); } while (0); | |||
| 2369 | ||||
| 2370 | return ProcSyncDestroyFence(client); | |||
| 2371 | } | |||
| 2372 | ||||
| 2373 | static int | |||
| 2374 | SProcSyncQueryFence(ClientPtr client) | |||
| 2375 | { | |||
| 2376 | REQUEST(xSyncQueryFenceReq)xSyncQueryFenceReq *stuff = (xSyncQueryFenceReq *)client-> requestBuffer; | |||
| 2377 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2378 | REQUEST_SIZE_MATCH(xSyncQueryFenceReq)if ((sizeof(xSyncQueryFenceReq) >> 2) != client->req_len ) return(16); | |||
| 2379 | swapl(&stuff->fid)do { if (sizeof(*(&stuff->fid)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->fid) & 3 ) && ((uintptr_t)(&stuff->fid) & 3) == 0) * (&stuff->fid) = lswapl(*(&stuff->fid)); else swap_uint32 ((uint32_t *)(&stuff->fid)); } while (0); | |||
| 2380 | ||||
| 2381 | return ProcSyncQueryFence(client); | |||
| 2382 | } | |||
| 2383 | ||||
| 2384 | static int | |||
| 2385 | SProcSyncAwaitFence(ClientPtr client) | |||
| 2386 | { | |||
| 2387 | REQUEST(xSyncAwaitFenceReq)xSyncAwaitFenceReq *stuff = (xSyncAwaitFenceReq *)client-> requestBuffer; | |||
| 2388 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); | |||
| 2389 | REQUEST_AT_LEAST_SIZE(xSyncAwaitFenceReq)if ((sizeof(xSyncAwaitFenceReq) >> 2) > client->req_len ) return(16); | |||
| 2390 | SwapRestL(stuff)SwapLongs((CARD32 *)(stuff + 1), (client->req_len - (sizeof (*stuff) >> 2))); | |||
| 2391 | ||||
| 2392 | return ProcSyncAwaitFence(client); | |||
| 2393 | } | |||
| 2394 | ||||
| 2395 | static int | |||
| 2396 | SProcSyncDispatch(ClientPtr client) | |||
| 2397 | { | |||
| 2398 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; | |||
| 2399 | ||||
| 2400 | switch (stuff->data) { | |||
| 2401 | case X_SyncInitialize0: | |||
| 2402 | return SProcSyncInitialize(client); | |||
| 2403 | case X_SyncListSystemCounters1: | |||
| 2404 | return SProcSyncListSystemCounters(client); | |||
| 2405 | case X_SyncCreateCounter2: | |||
| 2406 | return SProcSyncCreateCounter(client); | |||
| 2407 | case X_SyncSetCounter3: | |||
| 2408 | return SProcSyncSetCounter(client); | |||
| 2409 | case X_SyncChangeCounter4: | |||
| 2410 | return SProcSyncChangeCounter(client); | |||
| 2411 | case X_SyncQueryCounter5: | |||
| 2412 | return SProcSyncQueryCounter(client); | |||
| 2413 | case X_SyncDestroyCounter6: | |||
| 2414 | return SProcSyncDestroyCounter(client); | |||
| 2415 | case X_SyncAwait7: | |||
| 2416 | return SProcSyncAwait(client); | |||
| 2417 | case X_SyncCreateAlarm8: | |||
| 2418 | return SProcSyncCreateAlarm(client); | |||
| 2419 | case X_SyncChangeAlarm9: | |||
| 2420 | return SProcSyncChangeAlarm(client); | |||
| 2421 | case X_SyncQueryAlarm10: | |||
| 2422 | return SProcSyncQueryAlarm(client); | |||
| 2423 | case X_SyncDestroyAlarm11: | |||
| 2424 | return SProcSyncDestroyAlarm(client); | |||
| 2425 | case X_SyncSetPriority12: | |||
| 2426 | return SProcSyncSetPriority(client); | |||
| 2427 | case X_SyncGetPriority13: | |||
| 2428 | return SProcSyncGetPriority(client); | |||
| 2429 | case X_SyncCreateFence14: | |||
| 2430 | return SProcSyncCreateFence(client); | |||
| 2431 | case X_SyncTriggerFence15: | |||
| 2432 | return SProcSyncTriggerFence(client); | |||
| 2433 | case X_SyncResetFence16: | |||
| 2434 | return SProcSyncResetFence(client); | |||
| 2435 | case X_SyncDestroyFence17: | |||
| 2436 | return SProcSyncDestroyFence(client); | |||
| 2437 | case X_SyncQueryFence18: | |||
| 2438 | return SProcSyncQueryFence(client); | |||
| 2439 | case X_SyncAwaitFence19: | |||
| 2440 | return SProcSyncAwaitFence(client); | |||
| 2441 | default: | |||
| 2442 | return BadRequest1; | |||
| 2443 | } | |||
| 2444 | } | |||
| 2445 | ||||
| 2446 | /* | |||
| 2447 | * Event Swapping | |||
| 2448 | */ | |||
| 2449 | ||||
| 2450 | static void | |||
| 2451 | SCounterNotifyEvent(xSyncCounterNotifyEvent * from, | |||
| 2452 | xSyncCounterNotifyEvent * to) | |||
| 2453 | { | |||
| 2454 | to->type = from->type; | |||
| 2455 | to->kind = from->kind; | |||
| 2456 | cpswaps(from->sequenceNumber, to->sequenceNumber)do { if (sizeof((from->sequenceNumber)) != 2 || sizeof((to ->sequenceNumber)) != 2) wrong_size(); (to->sequenceNumber ) = lswaps((from->sequenceNumber)); } while (0); | |||
| 2457 | cpswapl(from->counter, to->counter)do { if (sizeof((from->counter)) != 4 || sizeof((to->counter )) != 4) wrong_size(); (to->counter) = lswapl((from->counter )); } while (0); | |||
| 2458 | cpswapl(from->wait_value_lo, to->wait_value_lo)do { if (sizeof((from->wait_value_lo)) != 4 || sizeof((to-> wait_value_lo)) != 4) wrong_size(); (to->wait_value_lo) = lswapl ((from->wait_value_lo)); } while (0); | |||
| 2459 | cpswapl(from->wait_value_hi, to->wait_value_hi)do { if (sizeof((from->wait_value_hi)) != 4 || sizeof((to-> wait_value_hi)) != 4) wrong_size(); (to->wait_value_hi) = lswapl ((from->wait_value_hi)); } while (0); | |||
| 2460 | cpswapl(from->counter_value_lo, to->counter_value_lo)do { if (sizeof((from->counter_value_lo)) != 4 || sizeof(( to->counter_value_lo)) != 4) wrong_size(); (to->counter_value_lo ) = lswapl((from->counter_value_lo)); } while (0); | |||
| 2461 | cpswapl(from->counter_value_hi, to->counter_value_hi)do { if (sizeof((from->counter_value_hi)) != 4 || sizeof(( to->counter_value_hi)) != 4) wrong_size(); (to->counter_value_hi ) = lswapl((from->counter_value_hi)); } while (0); | |||
| 2462 | cpswapl(from->time, to->time)do { if (sizeof((from->time)) != 4 || sizeof((to->time) ) != 4) wrong_size(); (to->time) = lswapl((from->time)) ; } while (0); | |||
| 2463 | cpswaps(from->count, to->count)do { if (sizeof((from->count)) != 2 || sizeof((to->count )) != 2) wrong_size(); (to->count) = lswaps((from->count )); } while (0); | |||
| 2464 | to->destroyed = from->destroyed; | |||
| 2465 | } | |||
| 2466 | ||||
| 2467 | static void | |||
| 2468 | SAlarmNotifyEvent(xSyncAlarmNotifyEvent * from, xSyncAlarmNotifyEvent * to) | |||
| 2469 | { | |||
| 2470 | to->type = from->type; | |||
| 2471 | to->kind = from->kind; | |||
| 2472 | cpswaps(from->sequenceNumber, to->sequenceNumber)do { if (sizeof((from->sequenceNumber)) != 2 || sizeof((to ->sequenceNumber)) != 2) wrong_size(); (to->sequenceNumber ) = lswaps((from->sequenceNumber)); } while (0); | |||
| 2473 | cpswapl(from->alarm, to->alarm)do { if (sizeof((from->alarm)) != 4 || sizeof((to->alarm )) != 4) wrong_size(); (to->alarm) = lswapl((from->alarm )); } while (0); | |||
| 2474 | cpswapl(from->counter_value_lo, to->counter_value_lo)do { if (sizeof((from->counter_value_lo)) != 4 || sizeof(( to->counter_value_lo)) != 4) wrong_size(); (to->counter_value_lo ) = lswapl((from->counter_value_lo)); } while (0); | |||
| 2475 | cpswapl(from->counter_value_hi, to->counter_value_hi)do { if (sizeof((from->counter_value_hi)) != 4 || sizeof(( to->counter_value_hi)) != 4) wrong_size(); (to->counter_value_hi ) = lswapl((from->counter_value_hi)); } while (0); | |||
| 2476 | cpswapl(from->alarm_value_lo, to->alarm_value_lo)do { if (sizeof((from->alarm_value_lo)) != 4 || sizeof((to ->alarm_value_lo)) != 4) wrong_size(); (to->alarm_value_lo ) = lswapl((from->alarm_value_lo)); } while (0); | |||
| 2477 | cpswapl(from->alarm_value_hi, to->alarm_value_hi)do { if (sizeof((from->alarm_value_hi)) != 4 || sizeof((to ->alarm_value_hi)) != 4) wrong_size(); (to->alarm_value_hi ) = lswapl((from->alarm_value_hi)); } while (0); | |||
| 2478 | cpswapl(from->time, to->time)do { if (sizeof((from->time)) != 4 || sizeof((to->time) ) != 4) wrong_size(); (to->time) = lswapl((from->time)) ; } while (0); | |||
| 2479 | to->state = from->state; | |||
| 2480 | } | |||
| 2481 | ||||
| 2482 | /* | |||
| 2483 | * ** Close everything down. ** This is fairly simple for now. | |||
| 2484 | */ | |||
| 2485 | /* ARGSUSED */ | |||
| 2486 | static void | |||
| 2487 | SyncResetProc(ExtensionEntry * extEntry) | |||
| 2488 | { | |||
| 2489 | RTCounter = 0; | |||
| 2490 | } | |||
| 2491 | ||||
| 2492 | /* | |||
| 2493 | * ** Initialise the extension. | |||
| 2494 | */ | |||
| 2495 | void | |||
| 2496 | SyncExtensionInit(void) | |||
| 2497 | { | |||
| 2498 | ExtensionEntry *extEntry; | |||
| 2499 | int s; | |||
| 2500 | ||||
| 2501 | for (s = 0; s < screenInfo.numScreens; s++) | |||
| 2502 | miSyncSetup(screenInfo.screens[s]); | |||
| 2503 | ||||
| 2504 | if (RTCounter == 0) { | |||
| 2505 | RTCounter = CreateNewResourceType(FreeCounter, "SyncCounter"); | |||
| 2506 | xorg_list_init(&SysCounterList); | |||
| 2507 | } | |||
| 2508 | RTAlarm = CreateNewResourceType(FreeAlarm, "SyncAlarm"); | |||
| 2509 | RTAwait = CreateNewResourceType(FreeAwait, "SyncAwait"); | |||
| 2510 | RTFence = CreateNewResourceType(FreeFence, "SyncFence"); | |||
| 2511 | if (RTAwait) | |||
| 2512 | RTAwait |= RC_NEVERRETAIN((RESTYPE)1<<29); | |||
| 2513 | RTAlarmClient = CreateNewResourceType(FreeAlarmClient, "SyncAlarmClient"); | |||
| 2514 | if (RTAlarmClient) | |||
| 2515 | RTAlarmClient |= RC_NEVERRETAIN((RESTYPE)1<<29); | |||
| 2516 | ||||
| 2517 | if (RTCounter == 0 || RTAwait == 0 || RTAlarm == 0 || | |||
| 2518 | RTAlarmClient == 0 || | |||
| 2519 | (extEntry = AddExtension(SYNC_NAME"SYNC", | |||
| 2520 | XSyncNumberEvents2L, XSyncNumberErrors(2L + 1), | |||
| 2521 | ProcSyncDispatch, SProcSyncDispatch, | |||
| 2522 | SyncResetProc, StandardMinorOpcode)) == NULL((void*)0)) { | |||
| 2523 | ErrorF("Sync Extension %d.%d failed to Initialise\n", | |||
| 2524 | SYNC_MAJOR_VERSION3, SYNC_MINOR_VERSION1); | |||
| 2525 | return; | |||
| 2526 | } | |||
| 2527 | ||||
| 2528 | SyncEventBase = extEntry->eventBase; | |||
| 2529 | SyncErrorBase = extEntry->errorBase; | |||
| 2530 | EventSwapVector[SyncEventBase + XSyncCounterNotify0] = | |||
| 2531 | (EventSwapPtr) SCounterNotifyEvent; | |||
| 2532 | EventSwapVector[SyncEventBase + XSyncAlarmNotify1] = | |||
| 2533 | (EventSwapPtr) SAlarmNotifyEvent; | |||
| 2534 | ||||
| 2535 | SetResourceTypeErrorValue(RTCounter, SyncErrorBase + XSyncBadCounter0L); | |||
| 2536 | SetResourceTypeErrorValue(RTAlarm, SyncErrorBase + XSyncBadAlarm1L); | |||
| 2537 | SetResourceTypeErrorValue(RTFence, SyncErrorBase + XSyncBadFence2L); | |||
| 2538 | ||||
| 2539 | /* | |||
| 2540 | * Although SERVERTIME is implemented by the OS layer, we initialise it | |||
| 2541 | * here because doing it in OsInit() is too early. The resource database | |||
| 2542 | * is not initialised when OsInit() is called. This is just about OK | |||
| 2543 | * because there is always a servertime counter. | |||
| 2544 | */ | |||
| 2545 | SyncInitServerTime(); | |||
| 2546 | SyncInitIdleTime(); | |||
| 2547 | ||||
| 2548 | #ifdef DEBUG | |||
| 2549 | fprintf(stderr__stderrp, "Sync Extension %d.%d\n", | |||
| 2550 | SYNC_MAJOR_VERSION3, SYNC_MINOR_VERSION1); | |||
| 2551 | #endif | |||
| 2552 | } | |||
| 2553 | ||||
| 2554 | /* | |||
| 2555 | * ***** SERVERTIME implementation - should go in its own file in OS directory? | |||
| 2556 | */ | |||
| 2557 | ||||
| 2558 | static void *ServertimeCounter; | |||
| 2559 | static XSyncValue Now; | |||
| 2560 | static XSyncValue *pnext_time; | |||
| 2561 | ||||
| 2562 | #define GetTime(){ unsigned long millis = GetTimeInMillis(); unsigned long maxis = ((Now).hi); if (millis < ((Now).lo)) maxis++; ((&Now )->lo = (millis), (&Now)->hi = (maxis));}\ | |||
| 2563 | {\ | |||
| 2564 | unsigned long millis = GetTimeInMillis();\ | |||
| 2565 | unsigned long maxis = XSyncValueHigh32(Now)((Now).hi);\ | |||
| 2566 | if (millis < XSyncValueLow32(Now)((Now).lo)) maxis++;\ | |||
| 2567 | XSyncIntsToValue(&Now, millis, maxis)((&Now)->lo = (millis), (&Now)->hi = (maxis));\ | |||
| 2568 | } | |||
| 2569 | ||||
| 2570 | /* | |||
| 2571 | *** Server Block Handler | |||
| 2572 | *** code inspired by multibuffer extension (now deprecated) | |||
| 2573 | */ | |||
| 2574 | /*ARGSUSED*/ static void | |||
| 2575 | ServertimeBlockHandler(void *env, struct timeval **wt, void *LastSelectMask) | |||
| 2576 | { | |||
| 2577 | XSyncValue delay; | |||
| 2578 | unsigned long timeout; | |||
| 2579 | ||||
| 2580 | if (pnext_time) { | |||
| 2581 | GetTime(){ unsigned long millis = GetTimeInMillis(); unsigned long maxis = ((Now).hi); if (millis < ((Now).lo)) maxis++; ((&Now )->lo = (millis), (&Now)->hi = (maxis));}; | |||
| 2582 | ||||
| 2583 | if (XSyncValueGreaterOrEqual(Now, *pnext_time)((Now).hi>(*pnext_time).hi || ((Now).hi==(*pnext_time).hi && (Now).lo>=(*pnext_time).lo))) { | |||
| 2584 | timeout = 0; | |||
| 2585 | } | |||
| 2586 | else { | |||
| 2587 | Bool overflow; | |||
| 2588 | ||||
| 2589 | XSyncValueSubtract(&delay, *pnext_time, Now, &overflow){ int t = (*pnext_time).lo; Bool signa = (((*pnext_time).hi & 0x80000000) ? 1 : 0); Bool signb = (((Now).hi & 0x80000000 ) ? 1 : 0); ((&delay)->lo = (*pnext_time).lo - (Now).lo ); ((&delay)->hi = (*pnext_time).hi - (Now).hi); if (t <(&delay)->lo) (&delay)->hi--; *&overflow = ((signa == signb) && !(signa == (((*&delay).hi & 0x80000000) ? 1 : 0))); }; | |||
| 2590 | (void) overflow; | |||
| 2591 | timeout = XSyncValueLow32(delay)((delay).lo); | |||
| 2592 | } | |||
| 2593 | AdjustWaitForDelay(wt, timeout); /* os/utils.c */ | |||
| 2594 | } | |||
| 2595 | } | |||
| 2596 | ||||
| 2597 | /* | |||
| 2598 | *** Wakeup Handler | |||
| 2599 | */ | |||
| 2600 | /*ARGSUSED*/ static void | |||
| 2601 | ServertimeWakeupHandler(void *env, int rc, void *LastSelectMask) | |||
| 2602 | { | |||
| 2603 | if (pnext_time) { | |||
| 2604 | GetTime(){ unsigned long millis = GetTimeInMillis(); unsigned long maxis = ((Now).hi); if (millis < ((Now).lo)) maxis++; ((&Now )->lo = (millis), (&Now)->hi = (maxis));}; | |||
| 2605 | ||||
| 2606 | if (XSyncValueGreaterOrEqual(Now, *pnext_time)((Now).hi>(*pnext_time).hi || ((Now).hi==(*pnext_time).hi && (Now).lo>=(*pnext_time).lo))) { | |||
| 2607 | SyncChangeCounter(ServertimeCounter, Now); | |||
| 2608 | } | |||
| 2609 | } | |||
| 2610 | } | |||
| 2611 | ||||
| 2612 | static void | |||
| 2613 | ServertimeQueryValue(void *pCounter, CARD64XSyncValue * pValue_return) | |||
| 2614 | { | |||
| 2615 | GetTime(){ unsigned long millis = GetTimeInMillis(); unsigned long maxis = ((Now).hi); if (millis < ((Now).lo)) maxis++; ((&Now )->lo = (millis), (&Now)->hi = (maxis));}; | |||
| 2616 | *pValue_return = Now; | |||
| 2617 | } | |||
| 2618 | ||||
| 2619 | static void | |||
| 2620 | ServertimeBracketValues(void *pCounter, CARD64XSyncValue * pbracket_less, | |||
| 2621 | CARD64XSyncValue * pbracket_greater) | |||
| 2622 | { | |||
| 2623 | if (!pnext_time && pbracket_greater) { | |||
| 2624 | RegisterBlockAndWakeupHandlers(ServertimeBlockHandler, | |||
| 2625 | ServertimeWakeupHandler, NULL((void*)0)); | |||
| 2626 | } | |||
| 2627 | else if (pnext_time && !pbracket_greater) { | |||
| 2628 | RemoveBlockAndWakeupHandlers(ServertimeBlockHandler, | |||
| 2629 | ServertimeWakeupHandler, NULL((void*)0)); | |||
| 2630 | } | |||
| 2631 | pnext_time = pbracket_greater; | |||
| 2632 | } | |||
| 2633 | ||||
| 2634 | static void | |||
| 2635 | SyncInitServerTime(void) | |||
| 2636 | { | |||
| 2637 | CARD64XSyncValue resolution; | |||
| 2638 | ||||
| 2639 | XSyncIntsToValue(&Now, GetTimeInMillis(), 0)((&Now)->lo = (GetTimeInMillis()), (&Now)->hi = (0)); | |||
| 2640 | XSyncIntToValue(&resolution, 4)((&resolution)->hi=((4<0)?~0:0),(&resolution)-> lo=(4)); | |||
| 2641 | ServertimeCounter = SyncCreateSystemCounter("SERVERTIME", Now, resolution, | |||
| 2642 | XSyncCounterNeverDecreases, | |||
| 2643 | ServertimeQueryValue, | |||
| 2644 | ServertimeBracketValues); | |||
| 2645 | pnext_time = NULL((void*)0); | |||
| 2646 | } | |||
| 2647 | ||||
| 2648 | /* | |||
| 2649 | * IDLETIME implementation | |||
| 2650 | */ | |||
| 2651 | ||||
| 2652 | typedef struct { | |||
| 2653 | XSyncValue *value_less; | |||
| 2654 | XSyncValue *value_greater; | |||
| 2655 | int deviceid; | |||
| 2656 | } IdleCounterPriv; | |||
| 2657 | ||||
| 2658 | static void | |||
| 2659 | IdleTimeQueryValue(void *pCounter, CARD64XSyncValue * pValue_return) | |||
| 2660 | { | |||
| 2661 | int deviceid; | |||
| 2662 | CARD32 idle; | |||
| 2663 | ||||
| 2664 | if (pCounter) { | |||
| 2665 | SyncCounter *counter = pCounter; | |||
| 2666 | IdleCounterPriv *priv = SysCounterGetPrivate(counter); | |||
| 2667 | deviceid = priv->deviceid; | |||
| 2668 | } | |||
| 2669 | else | |||
| 2670 | deviceid = XIAllDevices0; | |||
| 2671 | idle = GetTimeInMillis() - LastEventTime(deviceid).milliseconds; | |||
| 2672 | XSyncIntsToValue(pValue_return, idle, 0)((pValue_return)->lo = (idle), (pValue_return)->hi = (0 )); | |||
| 2673 | } | |||
| 2674 | ||||
| 2675 | static void | |||
| 2676 | IdleTimeBlockHandler(void *pCounter, struct timeval **wt, void *LastSelectMask) | |||
| 2677 | { | |||
| 2678 | SyncCounter *counter = pCounter; | |||
| 2679 | IdleCounterPriv *priv = SysCounterGetPrivate(counter); | |||
| 2680 | XSyncValue *less = priv->value_less, | |||
| 2681 | *greater = priv->value_greater; | |||
| 2682 | XSyncValue idle, old_idle; | |||
| 2683 | SyncTriggerList *list = counter->sync.pTriglist; | |||
| 2684 | SyncTrigger *trig; | |||
| 2685 | ||||
| 2686 | if (!less && !greater) | |||
| 2687 | return; | |||
| 2688 | ||||
| 2689 | old_idle = counter->value; | |||
| 2690 | IdleTimeQueryValue(counter, &idle); | |||
| 2691 | counter->value = idle; /* push, so CheckTrigger works */ | |||
| 2692 | ||||
| 2693 | /** | |||
| 2694 | * There's an indefinite amount of time between ProcessInputEvents() | |||
| 2695 | * where the idle time is reset and the time we actually get here. idle | |||
| 2696 | * may be past the lower bracket if we dawdled with the events, so | |||
| 2697 | * check for whether we did reset and bomb out of select immediately. | |||
| 2698 | */ | |||
| 2699 | if (less && XSyncValueGreaterThan(idle, *less)((idle).hi>(*less).hi || ((idle).hi==(*less).hi && (idle).lo>(*less).lo)) && | |||
| 2700 | LastEventTimeWasReset(priv->deviceid)) { | |||
| 2701 | AdjustWaitForDelay(wt, 0); | |||
| 2702 | } else if (less && XSyncValueLessOrEqual(idle, *less)((idle).hi<(*less).hi || ((idle).hi==(*less).hi && (idle).lo<=(*less).lo))) { | |||
| 2703 | /* | |||
| 2704 | * We've been idle for less than the threshold value, and someone | |||
| 2705 | * wants to know about that, but now we need to know whether they | |||
| 2706 | * want level or edge trigger. Check the trigger list against the | |||
| 2707 | * current idle time, and if any succeed, bomb out of select() | |||
| 2708 | * immediately so we can reschedule. | |||
| 2709 | */ | |||
| 2710 | ||||
| 2711 | for (list = counter->sync.pTriglist; list; list = list->next) { | |||
| 2712 | trig = list->pTrigger; | |||
| 2713 | if (trig->CheckTrigger(trig, old_idle)) { | |||
| 2714 | AdjustWaitForDelay(wt, 0); | |||
| 2715 | break; | |||
| 2716 | } | |||
| 2717 | } | |||
| 2718 | /* | |||
| 2719 | * We've been called exactly on the idle time, but we have a | |||
| 2720 | * NegativeTransition trigger which requires a transition from an | |||
| 2721 | * idle time greater than this. Schedule a wakeup for the next | |||
| 2722 | * millisecond so we won't miss a transition. | |||
| 2723 | */ | |||
| 2724 | if (XSyncValueEqual(idle, *less)((idle).lo==(*less).lo && (idle).hi==(*less).hi)) | |||
| 2725 | AdjustWaitForDelay(wt, 1); | |||
| 2726 | } | |||
| 2727 | else if (greater) { | |||
| 2728 | /* | |||
| 2729 | * There's a threshold in the positive direction. If we've been | |||
| 2730 | * idle less than it, schedule a wakeup for sometime in the future. | |||
| 2731 | * If we've been idle more than it, and someone wants to know about | |||
| 2732 | * that level-triggered, schedule an immediate wakeup. | |||
| 2733 | */ | |||
| 2734 | ||||
| 2735 | if (XSyncValueLessThan(idle, *greater)((idle).hi<(*greater).hi || ((idle).hi==(*greater).hi && (idle).lo<(*greater).lo))) { | |||
| 2736 | XSyncValue value; | |||
| 2737 | Bool overflow; | |||
| 2738 | ||||
| 2739 | XSyncValueSubtract(&value, *greater, idle, &overflow){ int t = (*greater).lo; Bool signa = (((*greater).hi & 0x80000000 ) ? 1 : 0); Bool signb = (((idle).hi & 0x80000000) ? 1 : 0 ); ((&value)->lo = (*greater).lo - (idle).lo); ((& value)->hi = (*greater).hi - (idle).hi); if (t<(&value )->lo) (&value)->hi--; *&overflow = ((signa == signb ) && !(signa == (((*&value).hi & 0x80000000) ? 1 : 0))); }; | |||
| 2740 | AdjustWaitForDelay(wt, XSyncValueLow32(value)((value).lo)); | |||
| 2741 | } | |||
| 2742 | else { | |||
| 2743 | for (list = counter->sync.pTriglist; list; | |||
| 2744 | list = list->next) { | |||
| 2745 | trig = list->pTrigger; | |||
| 2746 | if (trig->CheckTrigger(trig, old_idle)) { | |||
| 2747 | AdjustWaitForDelay(wt, 0); | |||
| 2748 | break; | |||
| 2749 | } | |||
| 2750 | } | |||
| 2751 | } | |||
| 2752 | } | |||
| 2753 | ||||
| 2754 | counter->value = old_idle; /* pop */ | |||
| 2755 | } | |||
| 2756 | ||||
| 2757 | static void | |||
| 2758 | IdleTimeCheckBrackets(SyncCounter *counter, XSyncValue idle, XSyncValue *less, XSyncValue *greater) | |||
| 2759 | { | |||
| 2760 | if ((greater && XSyncValueGreaterOrEqual(idle, *greater)((idle).hi>(*greater).hi || ((idle).hi==(*greater).hi && (idle).lo>=(*greater).lo))) || | |||
| 2761 | (less && XSyncValueLessOrEqual(idle, *less)((idle).hi<(*less).hi || ((idle).hi==(*less).hi && (idle).lo<=(*less).lo)))) { | |||
| 2762 | SyncChangeCounter(counter, idle); | |||
| 2763 | } | |||
| 2764 | else | |||
| 2765 | SyncUpdateCounter(counter, idle); | |||
| 2766 | } | |||
| 2767 | ||||
| 2768 | static void | |||
| 2769 | IdleTimeWakeupHandler(void *pCounter, int rc, void *LastSelectMask) | |||
| 2770 | { | |||
| 2771 | SyncCounter *counter = pCounter; | |||
| 2772 | IdleCounterPriv *priv = SysCounterGetPrivate(counter); | |||
| 2773 | XSyncValue *less = priv->value_less, | |||
| 2774 | *greater = priv->value_greater; | |||
| 2775 | XSyncValue idle; | |||
| 2776 | ||||
| 2777 | if (!less && !greater) | |||
| 2778 | return; | |||
| 2779 | ||||
| 2780 | IdleTimeQueryValue(pCounter, &idle); | |||
| 2781 | ||||
| 2782 | /* | |||
| 2783 | There is no guarantee for the WakeupHandler to be called within a specific | |||
| 2784 | timeframe. Idletime may go to 0, but by the time we get here, it may be | |||
| 2785 | non-zero and alarms for a pos. transition on 0 won't get triggered. | |||
| 2786 | https://bugs.freedesktop.org/show_bug.cgi?id=70476 | |||
| 2787 | */ | |||
| 2788 | if (LastEventTimeWasReset(priv->deviceid)) { | |||
| 2789 | LastEventTimeToggleResetFlag(priv->deviceid, FALSE0); | |||
| 2790 | if (!XSyncValueIsZero(idle)((idle).lo==0 && (idle).hi==0)) { | |||
| 2791 | XSyncValue zero; | |||
| 2792 | XSyncIntsToValue(&zero, 0, 0)((&zero)->lo = (0), (&zero)->hi = (0)); | |||
| 2793 | IdleTimeCheckBrackets(counter, zero, less, greater); | |||
| 2794 | less = priv->value_less; | |||
| 2795 | greater = priv->value_greater; | |||
| 2796 | } | |||
| 2797 | } | |||
| 2798 | ||||
| 2799 | IdleTimeCheckBrackets(counter, idle, less, greater); | |||
| 2800 | } | |||
| 2801 | ||||
| 2802 | static void | |||
| 2803 | IdleTimeBracketValues(void *pCounter, CARD64XSyncValue * pbracket_less, | |||
| 2804 | CARD64XSyncValue * pbracket_greater) | |||
| 2805 | { | |||
| 2806 | SyncCounter *counter = pCounter; | |||
| 2807 | IdleCounterPriv *priv = SysCounterGetPrivate(counter); | |||
| 2808 | XSyncValue *less = priv->value_less, | |||
| 2809 | *greater = priv->value_greater; | |||
| 2810 | Bool registered = (less || greater); | |||
| 2811 | ||||
| 2812 | if (registered && !pbracket_less && !pbracket_greater) { | |||
| 2813 | RemoveBlockAndWakeupHandlers(IdleTimeBlockHandler, | |||
| 2814 | IdleTimeWakeupHandler, pCounter); | |||
| 2815 | } | |||
| 2816 | else if (!registered && (pbracket_less || pbracket_greater)) { | |||
| 2817 | /* Reset flag must be zero so we don't force a idle timer reset on | |||
| 2818 | the first wakeup */ | |||
| 2819 | LastEventTimeToggleResetAll(FALSE0); | |||
| 2820 | RegisterBlockAndWakeupHandlers(IdleTimeBlockHandler, | |||
| 2821 | IdleTimeWakeupHandler, pCounter); | |||
| 2822 | } | |||
| 2823 | ||||
| 2824 | priv->value_greater = pbracket_greater; | |||
| 2825 | priv->value_less = pbracket_less; | |||
| 2826 | } | |||
| 2827 | ||||
| 2828 | static SyncCounter* | |||
| 2829 | init_system_idle_counter(const char *name, int deviceid) | |||
| 2830 | { | |||
| 2831 | CARD64XSyncValue resolution; | |||
| 2832 | XSyncValue idle; | |||
| 2833 | SyncCounter *idle_time_counter; | |||
| 2834 | ||||
| 2835 | IdleTimeQueryValue(NULL((void*)0), &idle); | |||
| 2836 | XSyncIntToValue(&resolution, 4)((&resolution)->hi=((4<0)?~0:0),(&resolution)-> lo=(4)); | |||
| 2837 | ||||
| 2838 | idle_time_counter = SyncCreateSystemCounter(name, idle, resolution, | |||
| 2839 | XSyncCounterUnrestricted, | |||
| 2840 | IdleTimeQueryValue, | |||
| 2841 | IdleTimeBracketValues); | |||
| 2842 | ||||
| 2843 | if (idle_time_counter != NULL((void*)0)) { | |||
| 2844 | IdleCounterPriv *priv = malloc(sizeof(IdleCounterPriv)); | |||
| 2845 | ||||
| 2846 | priv->value_less = priv->value_greater = NULL((void*)0); | |||
| 2847 | priv->deviceid = deviceid; | |||
| 2848 | ||||
| 2849 | idle_time_counter->pSysCounterInfo->private = priv; | |||
| 2850 | } | |||
| 2851 | ||||
| 2852 | return idle_time_counter; | |||
| 2853 | } | |||
| 2854 | ||||
| 2855 | static void | |||
| 2856 | SyncInitIdleTime(void) | |||
| 2857 | { | |||
| 2858 | init_system_idle_counter("IDLETIME", XIAllDevices0); | |||
| 2859 | } | |||
| 2860 | ||||
| 2861 | SyncCounter* | |||
| 2862 | SyncInitDeviceIdleTime(DeviceIntPtr dev) | |||
| 2863 | { | |||
| 2864 | char timer_name[64]; | |||
| 2865 | sprintf(timer_name, "DEVICEIDLETIME %d", dev->id)__builtin___sprintf_chk (timer_name, 0, __builtin_object_size (timer_name, 2 > 1 ? 1 : 0), "DEVICEIDLETIME %d", dev-> id); | |||
| 2866 | ||||
| 2867 | return init_system_idle_counter(timer_name, dev->id); | |||
| 2868 | } | |||
| 2869 | ||||
| 2870 | void SyncRemoveDeviceIdleTime(SyncCounter *counter) | |||
| 2871 | { | |||
| 2872 | /* FreeAllResources() frees all system counters before the devices are | |||
| 2873 | shut down, check if there are any left before freeing the device's | |||
| 2874 | counter */ | |||
| 2875 | if (counter && !xorg_list_is_empty(&SysCounterList)) | |||
| 2876 | xorg_list_del(&counter->pSysCounterInfo->entry); | |||
| 2877 | } |