File: | Xext/sync.c |
Location: | line 2683, column 22 |
Description: | Value stored to 'list' during its initialization is never read |
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 = malloc(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 = (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 = (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 = malloc((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; |
Value stored to 'list' during its initialization is never read | |
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 | } |