| File: | src/NextEvent.c |
| Location: | line 1001, column 6 |
| Description: | Access to field 'input_max' results in a dereference of a null pointer (loaded from variable 'app') |
| 1 | /*********************************************************** | |||
| 2 | Copyright (c) 1993, Oracle and/or its affiliates. All rights reserved. | |||
| 3 | ||||
| 4 | Permission is hereby granted, free of charge, to any person obtaining a | |||
| 5 | copy of this software and associated documentation files (the "Software"), | |||
| 6 | to deal in the Software without restriction, including without limitation | |||
| 7 | the rights to use, copy, modify, merge, publish, distribute, sublicense, | |||
| 8 | and/or sell copies of the Software, and to permit persons to whom the | |||
| 9 | Software is furnished to do so, subject to the following conditions: | |||
| 10 | ||||
| 11 | The above copyright notice and this permission notice (including the next | |||
| 12 | paragraph) shall be included in all copies or substantial portions of the | |||
| 13 | Software. | |||
| 14 | ||||
| 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
| 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
| 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |||
| 18 | THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |||
| 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |||
| 20 | FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |||
| 21 | DEALINGS IN THE SOFTWARE. | |||
| 22 | ||||
| 23 | Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. | |||
| 24 | ||||
| 25 | All Rights Reserved | |||
| 26 | ||||
| 27 | Permission to use, copy, modify, and distribute this software and its | |||
| 28 | documentation for any purpose and without fee is hereby granted, | |||
| 29 | provided that the above copyright notice appear in all copies and that | |||
| 30 | both that copyright notice and this permission notice appear in | |||
| 31 | supporting documentation, and that the name of Digital not be | |||
| 32 | used in advertising or publicity pertaining to distribution of the | |||
| 33 | software without specific, written prior permission. | |||
| 34 | ||||
| 35 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |||
| 36 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |||
| 37 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |||
| 38 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |||
| 39 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |||
| 40 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |||
| 41 | SOFTWARE. | |||
| 42 | ||||
| 43 | ******************************************************************/ | |||
| 44 | ||||
| 45 | /* | |||
| 46 | ||||
| 47 | Copyright 1987, 1988, 1994, 1998, 2001 The Open Group | |||
| 48 | ||||
| 49 | Permission to use, copy, modify, distribute, and sell this software and its | |||
| 50 | documentation for any purpose is hereby granted without fee, provided that | |||
| 51 | the above copyright notice appear in all copies and that both that | |||
| 52 | copyright notice and this permission notice appear in supporting | |||
| 53 | documentation. | |||
| 54 | ||||
| 55 | The above copyright notice and this permission notice shall be included in | |||
| 56 | all copies or substantial portions of the Software. | |||
| 57 | ||||
| 58 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
| 59 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
| 60 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |||
| 61 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |||
| 62 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |||
| 63 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |||
| 64 | ||||
| 65 | Except as contained in this notice, the name of The Open Group shall not be | |||
| 66 | used in advertising or otherwise to promote the sale, use or other dealings | |||
| 67 | in this Software without prior written authorization from The Open Group. | |||
| 68 | ||||
| 69 | */ | |||
| 70 | ||||
| 71 | #ifdef HAVE_CONFIG_H1 | |||
| 72 | #include <config.h> | |||
| 73 | #endif | |||
| 74 | #include "IntrinsicI.h" | |||
| 75 | #include <stdio.h> | |||
| 76 | #include <errno(*__error()).h> | |||
| 77 | ||||
| 78 | ||||
| 79 | static TimerEventRec* freeTimerRecs; | |||
| 80 | static WorkProcRec* freeWorkRecs; | |||
| 81 | static SignalEventRec* freeSignalRecs; | |||
| 82 | ||||
| 83 | /* Some systems running NTP daemons are known to return strange usec | |||
| 84 | * values from gettimeofday. | |||
| 85 | */ | |||
| 86 | ||||
| 87 | #ifndef NEEDS_NTPD_FIXUP0 | |||
| 88 | # if defined(sun) || defined(MOTOROLA) || (defined(__osf__) && defined(__alpha)) | |||
| 89 | # define NEEDS_NTPD_FIXUP0 1 | |||
| 90 | # else | |||
| 91 | # define NEEDS_NTPD_FIXUP0 0 | |||
| 92 | # endif | |||
| 93 | #endif | |||
| 94 | ||||
| 95 | #if NEEDS_NTPD_FIXUP0 | |||
| 96 | #define FIXUP_TIMEVAL(t) { \ | |||
| 97 | while ((t).tv_usec >= 1000000) { \ | |||
| 98 | (t).tv_usec -= 1000000; \ | |||
| 99 | (t).tv_sec++; \ | |||
| 100 | } \ | |||
| 101 | while ((t).tv_usec < 0) { \ | |||
| 102 | if ((t).tv_sec > 0) { \ | |||
| 103 | (t).tv_usec += 1000000; \ | |||
| 104 | (t).tv_sec--; \ | |||
| 105 | } else { \ | |||
| 106 | (t).tv_usec = 0; \ | |||
| 107 | break; \ | |||
| 108 | } \ | |||
| 109 | }} | |||
| 110 | #else | |||
| 111 | #define FIXUP_TIMEVAL(t) | |||
| 112 | #endif /*NEEDS_NTPD_FIXUP*/ | |||
| 113 | ||||
| 114 | /* | |||
| 115 | * Private routines | |||
| 116 | */ | |||
| 117 | #define ADD_TIME(dest, src1, src2){ if(((dest).tv_usec = (src1).tv_usec + (src2).tv_usec) >= 1000000) { (dest).tv_usec -= 1000000; (dest).tv_sec = (src1) .tv_sec + (src2).tv_sec + 1 ; } else { (dest).tv_sec = (src1) .tv_sec + (src2).tv_sec ; if(((dest).tv_sec >= 1) && (((dest).tv_usec <0))) { (dest).tv_sec --;(dest).tv_usec += 1000000; } } } { \ | |||
| 118 | if(((dest).tv_usec = (src1).tv_usec + (src2).tv_usec) >= 1000000) {\ | |||
| 119 | (dest).tv_usec -= 1000000;\ | |||
| 120 | (dest).tv_sec = (src1).tv_sec + (src2).tv_sec + 1 ; \ | |||
| 121 | } else { (dest).tv_sec = (src1).tv_sec + (src2).tv_sec ; \ | |||
| 122 | if(((dest).tv_sec >= 1) && (((dest).tv_usec <0))) { \ | |||
| 123 | (dest).tv_sec --;(dest).tv_usec += 1000000; } } } | |||
| 124 | ||||
| 125 | ||||
| 126 | #define TIMEDELTA(dest, src1, src2){ if(((dest).tv_usec = (src1).tv_usec - (src2).tv_usec) < 0 ) { (dest).tv_usec += 1000000; (dest).tv_sec = (src1).tv_sec - (src2).tv_sec - 1; } else (dest).tv_sec = (src1).tv_sec - (src2 ).tv_sec; } { \ | |||
| 127 | if(((dest).tv_usec = (src1).tv_usec - (src2).tv_usec) < 0) {\ | |||
| 128 | (dest).tv_usec += 1000000;\ | |||
| 129 | (dest).tv_sec = (src1).tv_sec - (src2).tv_sec - 1;\ | |||
| 130 | } else (dest).tv_sec = (src1).tv_sec - (src2).tv_sec; } | |||
| 131 | ||||
| 132 | #define IS_AFTER(t1, t2)(((t2).tv_sec > (t1).tv_sec) || (((t2).tv_sec == (t1).tv_sec )&& ((t2).tv_usec > (t1).tv_usec))) (((t2).tv_sec > (t1).tv_sec) \ | |||
| 133 | || (((t2).tv_sec == (t1).tv_sec)&& ((t2).tv_usec > (t1).tv_usec))) | |||
| 134 | ||||
| 135 | #define IS_AT_OR_AFTER(t1, t2)(((t2).tv_sec > (t1).tv_sec) || (((t2).tv_sec == (t1).tv_sec )&& ((t2).tv_usec >= (t1).tv_usec))) (((t2).tv_sec > (t1).tv_sec) \ | |||
| 136 | || (((t2).tv_sec == (t1).tv_sec)&& ((t2).tv_usec >= (t1).tv_usec))) | |||
| 137 | ||||
| 138 | #ifdef USE_POLL1 | |||
| 139 | #ifndef XT_DEFAULT_FDLIST_SIZE32 | |||
| 140 | #define XT_DEFAULT_FDLIST_SIZE32 32 | |||
| 141 | #endif | |||
| 142 | #endif | |||
| 143 | ||||
| 144 | static void AdjustHowLong ( | |||
| 145 | unsigned long *howlong, | |||
| 146 | struct timeval *start_time) | |||
| 147 | { | |||
| 148 | struct timeval new_time, time_spent, lstart_time; | |||
| 149 | ||||
| 150 | lstart_time = *start_time; | |||
| 151 | X_GETTIMEOFDAY (&new_time)gettimeofday(&new_time, (struct timezone*)0); | |||
| 152 | FIXUP_TIMEVAL(new_time); | |||
| 153 | TIMEDELTA(time_spent, new_time, lstart_time){ if(((time_spent).tv_usec = (new_time).tv_usec - (lstart_time ).tv_usec) < 0) { (time_spent).tv_usec += 1000000; (time_spent ).tv_sec = (new_time).tv_sec - (lstart_time).tv_sec - 1; } else (time_spent).tv_sec = (new_time).tv_sec - (lstart_time).tv_sec ; }; | |||
| 154 | if(*howlong <= (unsigned long)(time_spent.tv_sec*1000+time_spent.tv_usec/1000)) | |||
| 155 | *howlong = (unsigned long)0; /* Timed out */ | |||
| 156 | else | |||
| 157 | *howlong -= (time_spent.tv_sec*1000+time_spent.tv_usec/1000); | |||
| 158 | } | |||
| 159 | ||||
| 160 | typedef struct { | |||
| 161 | struct timeval cur_time; | |||
| 162 | struct timeval start_time; | |||
| 163 | struct timeval wait_time; | |||
| 164 | struct timeval new_time; | |||
| 165 | struct timeval time_spent; | |||
| 166 | struct timeval max_wait_time; | |||
| 167 | #ifndef USE_POLL1 | |||
| 168 | struct timeval *wait_time_ptr; | |||
| 169 | #else | |||
| 170 | int poll_wait; | |||
| 171 | #endif | |||
| 172 | } wait_times_t, *wait_times_ptr_t; | |||
| 173 | ||||
| 174 | static struct timeval zero_time = { 0 , 0}; | |||
| 175 | #ifndef USE_POLL1 | |||
| 176 | static fd_set zero_fd; | |||
| 177 | #else | |||
| 178 | #define X_BLOCK-1 -1 | |||
| 179 | #define X_DONT_BLOCK0 0 | |||
| 180 | #endif | |||
| 181 | ||||
| 182 | static void InitTimes ( | |||
| 183 | Boolean block, | |||
| 184 | unsigned long* howlong, | |||
| 185 | wait_times_ptr_t wt) | |||
| 186 | { | |||
| 187 | if (block) { | |||
| 188 | X_GETTIMEOFDAY (&wt->cur_time)gettimeofday(&wt->cur_time, (struct timezone*)0); | |||
| 189 | FIXUP_TIMEVAL(wt->cur_time); | |||
| 190 | wt->start_time = wt->cur_time; | |||
| 191 | if(howlong == NULL((void*)0)) { /* special case for ever */ | |||
| 192 | #ifndef USE_POLL1 | |||
| 193 | wt->wait_time_ptr = NULL((void*)0); | |||
| 194 | #else | |||
| 195 | wt->poll_wait = X_BLOCK-1; | |||
| 196 | #endif | |||
| 197 | } else { /* block until at most */ | |||
| 198 | wt->max_wait_time.tv_sec = *howlong/1000; | |||
| 199 | wt->max_wait_time.tv_usec = (*howlong %1000)*1000; | |||
| 200 | #ifndef USE_POLL1 | |||
| 201 | wt->wait_time_ptr = &wt->max_wait_time; | |||
| 202 | #else | |||
| 203 | wt->poll_wait = *howlong; | |||
| 204 | #endif | |||
| 205 | } | |||
| 206 | } else { /* don't block */ | |||
| 207 | wt->max_wait_time = zero_time; | |||
| 208 | #ifndef USE_POLL1 | |||
| 209 | wt->wait_time_ptr = &wt->max_wait_time; | |||
| 210 | #else | |||
| 211 | wt->poll_wait = X_DONT_BLOCK0; | |||
| 212 | #endif | |||
| 213 | } | |||
| 214 | } | |||
| 215 | ||||
| 216 | typedef struct { | |||
| 217 | #ifndef USE_POLL1 | |||
| 218 | fd_set rmask, wmask, emask; | |||
| 219 | int nfds; | |||
| 220 | #else | |||
| 221 | struct pollfd* fdlist; | |||
| 222 | struct pollfd* stack; | |||
| 223 | int fdlistlen, num_dpys; | |||
| 224 | #endif | |||
| 225 | } wait_fds_t, *wait_fds_ptr_t; | |||
| 226 | ||||
| 227 | static void InitFds ( | |||
| 228 | XtAppContext app, | |||
| 229 | Boolean ignoreEvents, | |||
| 230 | Boolean ignoreInputs, | |||
| 231 | wait_fds_ptr_t wf) | |||
| 232 | { | |||
| 233 | int ii; | |||
| 234 | app->rebuild_fdlist = FALSE0; | |||
| 235 | #ifndef USE_POLL1 | |||
| 236 | wf->nfds = app->fds.nfds; | |||
| 237 | if( !ignoreInputs ) { | |||
| 238 | wf->rmask = app->fds.rmask; | |||
| 239 | wf->wmask = app->fds.wmask; | |||
| 240 | wf->emask = app->fds.emask; | |||
| 241 | } else | |||
| 242 | wf->rmask = wf->wmask = wf->emask = zero_fd; | |||
| 243 | ||||
| 244 | if (!ignoreEvents) | |||
| 245 | for (ii = 0; ii < app->count; ii++) { | |||
| 246 | FD_SET (ConnectionNumber(app->list[ii]), &wf->rmask)do { int __fd = ((((_XPrivDisplay)(app->list[ii]))->fd) ); ((&wf->rmask)->fds_bits[(unsigned long)__fd/(sizeof (__int32_t) * 8)] |= ((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 247 | } | |||
| 248 | #else | |||
| 249 | #ifndef POLLRDNORM0x0040 | |||
| 250 | #define POLLRDNORM0x0040 0 | |||
| 251 | #endif | |||
| 252 | ||||
| 253 | #ifndef POLLRDBAND0x0080 | |||
| 254 | #define POLLRDBAND0x0080 0 | |||
| 255 | #endif | |||
| 256 | ||||
| 257 | #ifndef POLLWRNORM0x0004 | |||
| 258 | #define POLLWRNORM0x0004 0 | |||
| 259 | #endif | |||
| 260 | ||||
| 261 | #ifndef POLLWRBAND0x0100 | |||
| 262 | #define POLLWRBAND0x0100 0 | |||
| 263 | #endif | |||
| 264 | ||||
| 265 | #define XPOLL_READ(0x0001|0x0040|0x0002|0x0080) (POLLIN0x0001|POLLRDNORM0x0040|POLLPRI0x0002|POLLRDBAND0x0080) | |||
| 266 | #define XPOLL_WRITE(0x0004|0x0004|0x0100) (POLLOUT0x0004|POLLWRNORM0x0004|POLLWRBAND0x0100) | |||
| 267 | #define XPOLL_EXCEPT0 0 | |||
| 268 | ||||
| 269 | if (!ignoreEvents) | |||
| 270 | wf->fdlistlen = wf->num_dpys = app->count; | |||
| 271 | else | |||
| 272 | wf->fdlistlen = wf->num_dpys = 0; | |||
| 273 | ||||
| 274 | if (!ignoreInputs && app->input_list != NULL((void*)0)) { | |||
| 275 | int ii; | |||
| 276 | for (ii = 0; ii < (int) app->input_max; ii++) | |||
| 277 | if (app->input_list[ii] != NULL((void*)0)) | |||
| 278 | wf->fdlistlen++; | |||
| 279 | } | |||
| 280 | ||||
| 281 | if (!wf->fdlist || wf->fdlist == wf->stack) { | |||
| 282 | wf->fdlist = (struct pollfd*) | |||
| 283 | XtStackAlloc (sizeof (struct pollfd) * wf->fdlistlen, wf->stack)((sizeof (struct pollfd) * wf->fdlistlen) <= sizeof(wf-> stack) ? (XtPointer)(wf->stack) : XtMalloc((unsigned)(sizeof (struct pollfd) * wf->fdlistlen))); | |||
| 284 | } else { | |||
| 285 | wf->fdlist = (struct pollfd*) | |||
| 286 | XtRealloc ((char*) wf->fdlist, | |||
| 287 | sizeof (struct pollfd) * wf->fdlistlen); | |||
| 288 | } | |||
| 289 | ||||
| 290 | if (wf->fdlistlen) { | |||
| 291 | struct pollfd* fdlp = wf->fdlist; | |||
| 292 | InputEvent* iep; | |||
| 293 | ||||
| 294 | if (!ignoreEvents) | |||
| 295 | for (ii = 0 ; ii < wf->num_dpys; ii++, fdlp++) { | |||
| 296 | fdlp->fd = ConnectionNumber (app->list[ii])(((_XPrivDisplay)(app->list[ii]))->fd); | |||
| 297 | fdlp->events = POLLIN0x0001; | |||
| 298 | } | |||
| 299 | if (!ignoreInputs && app->input_list != NULL((void*)0)) | |||
| 300 | for (ii = 0; ii < app->input_max; ii++) | |||
| 301 | if (app->input_list[ii] != NULL((void*)0)) { | |||
| 302 | iep = app->input_list[ii]; | |||
| 303 | fdlp->fd = ii; | |||
| 304 | fdlp->events = 0; | |||
| 305 | for ( ; iep; iep = iep->ie_next) { | |||
| 306 | if (iep->ie_condition & XtInputReadMask(1L<<0)) | |||
| 307 | fdlp->events |= XPOLL_READ(0x0001|0x0040|0x0002|0x0080); | |||
| 308 | if (iep->ie_condition & XtInputWriteMask(1L<<1)) | |||
| 309 | fdlp->events |= XPOLL_WRITE(0x0004|0x0004|0x0100); | |||
| 310 | if (iep->ie_condition & XtInputExceptMask(1L<<2)) | |||
| 311 | fdlp->events |= XPOLL_EXCEPT0; | |||
| 312 | } | |||
| 313 | fdlp++; | |||
| 314 | } | |||
| 315 | } | |||
| 316 | #endif | |||
| 317 | } | |||
| 318 | ||||
| 319 | static void AdjustTimes ( | |||
| 320 | XtAppContext app, | |||
| 321 | Boolean block, | |||
| 322 | unsigned long* howlong, | |||
| 323 | Boolean ignoreTimers, | |||
| 324 | wait_times_ptr_t wt) | |||
| 325 | { | |||
| 326 | if (app->timerQueue != NULL((void*)0) && !ignoreTimers && block) { | |||
| 327 | if (IS_AFTER (wt->cur_time, app->timerQueue->te_timer_value)(((app->timerQueue->te_timer_value).tv_sec > (wt-> cur_time).tv_sec) || (((app->timerQueue->te_timer_value ).tv_sec == (wt->cur_time).tv_sec)&& ((app->timerQueue ->te_timer_value).tv_usec > (wt->cur_time).tv_usec)) )) { | |||
| 328 | TIMEDELTA (wt->wait_time, app->timerQueue->te_timer_value, wt->cur_time){ if(((wt->wait_time).tv_usec = (app->timerQueue->te_timer_value ).tv_usec - (wt->cur_time).tv_usec) < 0) { (wt->wait_time ).tv_usec += 1000000; (wt->wait_time).tv_sec = (app->timerQueue ->te_timer_value).tv_sec - (wt->cur_time).tv_sec - 1; } else (wt->wait_time).tv_sec = (app->timerQueue->te_timer_value ).tv_sec - (wt->cur_time).tv_sec; }; | |||
| 329 | if (howlong == NULL((void*)0) || IS_AFTER (wt->wait_time, wt->max_wait_time)(((wt->max_wait_time).tv_sec > (wt->wait_time).tv_sec ) || (((wt->max_wait_time).tv_sec == (wt->wait_time).tv_sec )&& ((wt->max_wait_time).tv_usec > (wt->wait_time ).tv_usec)))) | |||
| 330 | #ifndef USE_POLL1 | |||
| 331 | wt->wait_time_ptr = &wt->wait_time; | |||
| 332 | else | |||
| 333 | wt->wait_time_ptr = &wt->max_wait_time; | |||
| 334 | } else | |||
| 335 | wt->wait_time_ptr = &zero_time; | |||
| 336 | } | |||
| 337 | #else | |||
| 338 | wt->poll_wait = wt->wait_time.tv_sec * 1000 + wt->wait_time.tv_usec / 1000; | |||
| 339 | else | |||
| 340 | wt->poll_wait = wt->max_wait_time.tv_sec * 1000 + wt->max_wait_time.tv_usec / 1000; | |||
| 341 | } else | |||
| 342 | wt->poll_wait = X_DONT_BLOCK0; | |||
| 343 | } | |||
| 344 | #endif | |||
| 345 | } | |||
| 346 | ||||
| 347 | ||||
| 348 | static int IoWait ( | |||
| 349 | wait_times_ptr_t wt, | |||
| 350 | wait_fds_ptr_t wf) | |||
| 351 | { | |||
| 352 | #ifndef USE_POLL1 | |||
| 353 | return Select (wf->nfds, &wf->rmask, &wf->wmask, &wf->emask, | |||
| 354 | wt->wait_time_ptr); | |||
| 355 | #else | |||
| 356 | return poll (wf->fdlist, wf->fdlistlen, wt->poll_wait); | |||
| 357 | #endif | |||
| 358 | } | |||
| 359 | ||||
| 360 | ||||
| 361 | static void FindInputs ( | |||
| 362 | XtAppContext app, | |||
| 363 | wait_fds_ptr_t wf, | |||
| 364 | int nfds, | |||
| 365 | Boolean ignoreEvents, | |||
| 366 | Boolean ignoreInputs, | |||
| 367 | int* dpy_no, | |||
| 368 | int* found_input) | |||
| 369 | { | |||
| 370 | XtInputMask condition; | |||
| 371 | InputEvent *ep; | |||
| 372 | int ii; | |||
| 373 | #ifndef USE_POLL1 /* { check ready file descriptors block */ | |||
| 374 | #ifdef XTHREADS1 | |||
| 375 | fd_set rmask; | |||
| 376 | #endif | |||
| 377 | int dd; | |||
| 378 | *dpy_no = -1; | |||
| 379 | *found_input = False0; | |||
| 380 | ||||
| 381 | #ifdef XTHREADS1 | |||
| 382 | rmask = app->fds.rmask; | |||
| 383 | for (dd = app->count; dd-- > 0; ) | |||
| 384 | FD_SET (ConnectionNumber (app->list[dd]), &rmask)do { int __fd = ((((_XPrivDisplay)(app->list[dd]))->fd) ); ((&rmask)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t ) * 8)] |= ((__int32_t)(1<<((unsigned long)__fd % (sizeof (__int32_t) * 8))))); } while(0); | |||
| 385 | #endif | |||
| 386 | ||||
| 387 | for (ii = 0; ii < wf->nfds && nfds > 0; ii++) { | |||
| 388 | condition = 0; | |||
| 389 | if (FD_ISSET (ii, &wf->rmask)__darwin_fd_isset((ii), (&wf->rmask)) | |||
| 390 | #ifdef XTHREADS1 | |||
| 391 | && FD_ISSET (ii, &rmask)__darwin_fd_isset((ii), (&rmask)) | |||
| 392 | #endif | |||
| 393 | ) { | |||
| 394 | nfds--; | |||
| 395 | if (!ignoreEvents) { | |||
| 396 | for (dd = 0; dd < app->count; dd++) { | |||
| 397 | if (ii == ConnectionNumber (app->list[dd])(((_XPrivDisplay)(app->list[dd]))->fd)) { | |||
| 398 | if (*dpy_no == -1) { | |||
| 399 | if (XEventsQueued (app->list[dd], QueuedAfterReading1 )) | |||
| 400 | *dpy_no = dd; | |||
| 401 | /* | |||
| 402 | * An error event could have arrived | |||
| 403 | * without any real events, or events | |||
| 404 | * could have been swallowed by Xlib, | |||
| 405 | * or the connection may be broken. | |||
| 406 | * We can't tell the difference, so | |||
| 407 | * assume Xlib will eventually discover | |||
| 408 | * a broken connection. | |||
| 409 | */ | |||
| 410 | } | |||
| 411 | goto ENDILOOP; | |||
| 412 | } | |||
| 413 | } | |||
| 414 | } | |||
| 415 | condition = XtInputReadMask(1L<<0); | |||
| 416 | } | |||
| 417 | if (FD_ISSET (ii, &wf->wmask)__darwin_fd_isset((ii), (&wf->wmask)) | |||
| 418 | #ifdef XTHREADS1 | |||
| 419 | && FD_ISSET (ii, &app->fds.wmask)__darwin_fd_isset((ii), (&app->fds.wmask)) | |||
| 420 | #endif | |||
| 421 | ) { | |||
| 422 | condition |= XtInputWriteMask(1L<<1); | |||
| 423 | nfds--; | |||
| 424 | } | |||
| 425 | if (FD_ISSET (ii, &wf->emask)__darwin_fd_isset((ii), (&wf->emask)) | |||
| 426 | #ifdef XTHREADS1 | |||
| 427 | && FD_ISSET (ii, &app->fds.emask)__darwin_fd_isset((ii), (&app->fds.emask)) | |||
| 428 | #endif | |||
| 429 | ) { | |||
| 430 | condition |= XtInputExceptMask(1L<<2); | |||
| 431 | nfds--; | |||
| 432 | } | |||
| 433 | if (condition) { | |||
| 434 | for (ep = app->input_list[ii]; ep; ep = ep->ie_next) | |||
| 435 | if (condition & ep->ie_condition) { | |||
| 436 | /* make sure this input isn't already marked outstanding */ | |||
| 437 | InputEvent *oq; | |||
| 438 | for (oq = app->outstandingQueue; oq; oq = oq->ie_oq) | |||
| 439 | if (oq == ep) | |||
| 440 | break; | |||
| 441 | if (!oq) | |||
| 442 | { | |||
| 443 | ep->ie_oq = app->outstandingQueue; | |||
| 444 | app->outstandingQueue = ep; | |||
| 445 | } | |||
| 446 | } | |||
| 447 | *found_input = True1; | |||
| 448 | } | |||
| 449 | ENDILOOP: ; | |||
| 450 | } /* endfor */ | |||
| 451 | #else /* }{ */ | |||
| 452 | struct pollfd* fdlp; | |||
| 453 | ||||
| 454 | *dpy_no = -1; | |||
| 455 | *found_input = False0; | |||
| 456 | ||||
| 457 | if (!ignoreEvents) { | |||
| 458 | fdlp = wf->fdlist; | |||
| 459 | for (ii = 0; ii < wf->num_dpys; ii++, fdlp++) { | |||
| 460 | if (*dpy_no == -1 && fdlp->revents & (POLLIN0x0001|POLLHUP0x0010|POLLERR0x0008) && | |||
| 461 | #ifdef XTHREADS1 | |||
| 462 | !(fdlp->revents & POLLNVAL0x0020) && | |||
| 463 | #endif | |||
| 464 | XEventsQueued (app->list[ii], QueuedAfterReading1)) { | |||
| 465 | *dpy_no = ii; | |||
| 466 | break; | |||
| 467 | } | |||
| 468 | } | |||
| 469 | } | |||
| 470 | ||||
| 471 | if (!ignoreInputs) { | |||
| 472 | fdlp = &wf->fdlist[wf->num_dpys]; | |||
| 473 | for (ii = wf->num_dpys; ii < wf->fdlistlen; ii++, fdlp++) { | |||
| 474 | condition = 0; | |||
| 475 | if (fdlp->revents) { | |||
| 476 | if (fdlp->revents & (XPOLL_READ(0x0001|0x0040|0x0002|0x0080)|POLLHUP0x0010|POLLERR0x0008) | |||
| 477 | #ifdef XTHREADS1 | |||
| 478 | && !(fdlp->revents & POLLNVAL0x0020) | |||
| 479 | #endif | |||
| 480 | ) | |||
| 481 | condition = XtInputReadMask(1L<<0); | |||
| 482 | if (fdlp->revents & XPOLL_WRITE(0x0004|0x0004|0x0100)) | |||
| 483 | condition |= XtInputWriteMask(1L<<1); | |||
| 484 | if (fdlp->revents & XPOLL_EXCEPT0) | |||
| 485 | condition |= XtInputExceptMask(1L<<2); | |||
| 486 | } | |||
| 487 | if (condition) { | |||
| 488 | *found_input = True1; | |||
| 489 | for (ep = app->input_list[fdlp->fd]; ep; ep = ep->ie_next) | |||
| 490 | if (condition & ep->ie_condition) { | |||
| 491 | InputEvent *oq; | |||
| 492 | /* make sure this input isn't already marked outstanding */ | |||
| 493 | for (oq = app->outstandingQueue; oq; oq = oq->ie_oq) | |||
| 494 | if (oq == ep) | |||
| 495 | break; | |||
| 496 | if (!oq) | |||
| 497 | { | |||
| 498 | ep->ie_oq = app->outstandingQueue; | |||
| 499 | app->outstandingQueue = ep; | |||
| 500 | } | |||
| 501 | } | |||
| 502 | } | |||
| 503 | } | |||
| 504 | } | |||
| 505 | #endif /* } */ | |||
| 506 | } | |||
| 507 | ||||
| 508 | /* | |||
| 509 | * Routine to block in the toolkit. This should be the only call to select. | |||
| 510 | * | |||
| 511 | * This routine returns when there is something to be done. | |||
| 512 | * | |||
| 513 | * Before calling this with ignoreInputs==False, app->outstandingQueue should | |||
| 514 | * be checked; this routine will not verify that an alternate input source | |||
| 515 | * has not already been enqueued. | |||
| 516 | * | |||
| 517 | * | |||
| 518 | * _XtWaitForSomething( appContext, | |||
| 519 | * ignoreEvent, ignoreTimers, ignoreInputs, ignoreSignals, | |||
| 520 | * block, drop_lock, howlong) | |||
| 521 | * XtAppContext app; (Displays to check wait on) | |||
| 522 | * | |||
| 523 | * Boolean ignoreEvents; (Don't return if XEvents are available | |||
| 524 | * Also implies forget XEvents exist) | |||
| 525 | * | |||
| 526 | * Boolean ignoreTimers; (Ditto for timers) | |||
| 527 | * | |||
| 528 | * Boolean ignoreInputs; (Ditto for input callbacks ) | |||
| 529 | * | |||
| 530 | * Boolean ignoreSignals; (Ditto for signals) | |||
| 531 | * | |||
| 532 | * Boolean block; (Okay to block) | |||
| 533 | * | |||
| 534 | * Boolean drop_lock (drop lock before going into select/poll) | |||
| 535 | * | |||
| 536 | * TimeVal howlong; (howlong to wait for if blocking and not | |||
| 537 | * doing Timers... Null means forever. | |||
| 538 | * Maybe should mean shortest of both) | |||
| 539 | * Returns display for which input is available, if any | |||
| 540 | * and if ignoreEvents==False, else returns -1 | |||
| 541 | * | |||
| 542 | * if ignoring everything && block=True && howlong=NULL, you'll have | |||
| 543 | * lots of time for coffee; better not try it! In fact, it probably | |||
| 544 | * makes little sense to do this regardless of the value of howlong | |||
| 545 | * (bottom line is, we don't bother checking here). | |||
| 546 | * | |||
| 547 | * If drop_lock is FALSE, the app->lock->mutex is not unlocked before | |||
| 548 | * entering select/poll. It is illegal for drop_lock to be FALSE if | |||
| 549 | * ignoreTimers, ignoreInputs, or ignoreSignals is FALSE. | |||
| 550 | */ | |||
| 551 | int _XtWaitForSomething( | |||
| 552 | XtAppContext app, | |||
| 553 | _XtBooleanint ignoreEvents, | |||
| 554 | _XtBooleanint ignoreTimers, | |||
| 555 | _XtBooleanint ignoreInputs, | |||
| 556 | _XtBooleanint ignoreSignals, | |||
| 557 | _XtBooleanint block, | |||
| 558 | #ifdef XTHREADS1 | |||
| 559 | _XtBooleanint drop_lock, | |||
| 560 | #endif | |||
| 561 | unsigned long *howlong) | |||
| 562 | { | |||
| 563 | wait_times_t wt; | |||
| 564 | wait_fds_t wf; | |||
| 565 | int nfds, dpy_no, found_input, dd; | |||
| 566 | #ifdef XTHREADS1 | |||
| 567 | Boolean push_thread = TRUE1; | |||
| 568 | Boolean pushed_thread = FALSE0; | |||
| 569 | int level = 0; | |||
| 570 | #endif | |||
| 571 | #ifdef USE_POLL1 | |||
| 572 | struct pollfd fdlist[XT_DEFAULT_FDLIST_SIZE32]; | |||
| 573 | #endif | |||
| 574 | ||||
| 575 | #ifdef XTHREADS1 | |||
| 576 | /* assert ((ignoreTimers && ignoreInputs && ignoreSignals) || drop_lock); */ | |||
| 577 | /* If not multi-threaded, never drop lock */ | |||
| 578 | if (app->lock == (ThreadAppProc) NULL((void*)0)) | |||
| 579 | drop_lock = FALSE0; | |||
| 580 | #endif | |||
| 581 | ||||
| 582 | InitTimes (block, howlong, &wt); | |||
| 583 | ||||
| 584 | #ifdef USE_POLL1 | |||
| 585 | wf.fdlist = NULL((void*)0); | |||
| 586 | wf.stack = fdlist; | |||
| 587 | wf.fdlistlen = wf.num_dpys = 0; | |||
| 588 | #endif | |||
| 589 | ||||
| 590 | WaitLoop: | |||
| 591 | app->rebuild_fdlist = TRUE1; | |||
| 592 | ||||
| 593 | while (1) { | |||
| 594 | AdjustTimes (app, block, howlong, ignoreTimers, &wt); | |||
| 595 | ||||
| 596 | if (block && app->block_hook_list) { | |||
| 597 | BlockHook hook; | |||
| 598 | for (hook = app->block_hook_list; | |||
| 599 | hook != NULL((void*)0); | |||
| 600 | hook = hook->next) | |||
| 601 | (*hook->proc) (hook->closure); | |||
| 602 | ||||
| 603 | if (!ignoreEvents) | |||
| 604 | /* see if the hook(s) generated any protocol */ | |||
| 605 | for (dd = 0; dd < app->count; dd++) | |||
| 606 | if (XEventsQueued(app->list[dd], QueuedAlready0)) { | |||
| 607 | #ifdef USE_POLL1 | |||
| 608 | XtStackFree ((XtPointer) wf.fdlist, fdlist){ if (((XtPointer) wf.fdlist) != ((XtPointer)(fdlist))) XtFree ((XtPointer) wf.fdlist); }; | |||
| 609 | #endif | |||
| 610 | return dd; | |||
| 611 | } | |||
| 612 | } | |||
| 613 | ||||
| 614 | if (app->rebuild_fdlist) | |||
| 615 | InitFds (app, ignoreEvents, ignoreInputs, &wf); | |||
| 616 | ||||
| 617 | #ifdef XTHREADS1 /* { */ | |||
| 618 | if (drop_lock) { | |||
| 619 | YIELD_APP_LOCK(app, &push_thread, &pushed_thread, &level)if(app && app->yield_lock) (*app->yield_lock)(app ,&push_thread,&pushed_thread,&level); | |||
| 620 | nfds = IoWait (&wt, &wf); | |||
| 621 | RESTORE_APP_LOCK(app, level, &pushed_thread)if(app && app->restore_lock) (*app->restore_lock )(app,level,&pushed_thread); | |||
| 622 | } else | |||
| 623 | #endif /* } */ | |||
| 624 | nfds = IoWait (&wt, &wf); | |||
| 625 | if (nfds == -1) { | |||
| 626 | /* | |||
| 627 | * interrupt occured recalculate time value and wait again. | |||
| 628 | */ | |||
| 629 | if (errno(*__error()) == EINTR4 || errno(*__error()) == EAGAIN35) { | |||
| 630 | if (errno(*__error()) == EAGAIN35) { | |||
| 631 | errno(*__error()) = 0; /* errno is not self reseting */ | |||
| 632 | continue; | |||
| 633 | } | |||
| 634 | errno(*__error()) = 0; /* errno is not self reseting */ | |||
| 635 | ||||
| 636 | /* was it interrupted by a signal that we care about? */ | |||
| 637 | if (!ignoreSignals && app->signalQueue != NULL((void*)0)) { | |||
| 638 | SignalEventRec *se_ptr = app->signalQueue; | |||
| 639 | while (se_ptr != NULL((void*)0)) { | |||
| 640 | if (se_ptr->se_notice) { | |||
| 641 | if (block && howlong != NULL((void*)0)) | |||
| 642 | AdjustHowLong (howlong, &wt.start_time); | |||
| 643 | #ifdef USE_POLL1 | |||
| 644 | XtStackFree ((XtPointer) wf.fdlist, fdlist){ if (((XtPointer) wf.fdlist) != ((XtPointer)(fdlist))) XtFree ((XtPointer) wf.fdlist); }; | |||
| 645 | #endif | |||
| 646 | return -1; | |||
| 647 | } | |||
| 648 | se_ptr = se_ptr->se_next; | |||
| 649 | } | |||
| 650 | } | |||
| 651 | ||||
| 652 | if (!ignoreEvents) | |||
| 653 | /* get Xlib to detect a bad connection */ | |||
| 654 | for (dd = 0; dd < app->count; dd++) | |||
| 655 | if (XEventsQueued(app->list[dd], QueuedAfterReading1)) { | |||
| 656 | #ifdef USE_POLL1 | |||
| 657 | XtStackFree ((XtPointer) wf.fdlist, fdlist){ if (((XtPointer) wf.fdlist) != ((XtPointer)(fdlist))) XtFree ((XtPointer) wf.fdlist); }; | |||
| 658 | #endif | |||
| 659 | return dd; | |||
| 660 | } | |||
| 661 | ||||
| 662 | if (block) { | |||
| 663 | #ifndef USE_POLL1 | |||
| 664 | if (wt.wait_time_ptr == NULL((void*)0)) | |||
| 665 | #else | |||
| 666 | if (wt.poll_wait == X_BLOCK-1) | |||
| 667 | #endif | |||
| 668 | continue; | |||
| 669 | X_GETTIMEOFDAY (&wt.new_time)gettimeofday(&wt.new_time, (struct timezone*)0); | |||
| 670 | FIXUP_TIMEVAL (wt.new_time); | |||
| 671 | TIMEDELTA (wt.time_spent, wt.new_time, wt.cur_time){ if(((wt.time_spent).tv_usec = (wt.new_time).tv_usec - (wt.cur_time ).tv_usec) < 0) { (wt.time_spent).tv_usec += 1000000; (wt. time_spent).tv_sec = (wt.new_time).tv_sec - (wt.cur_time).tv_sec - 1; } else (wt.time_spent).tv_sec = (wt.new_time).tv_sec - ( wt.cur_time).tv_sec; }; | |||
| 672 | wt.cur_time = wt.new_time; | |||
| 673 | #ifndef USE_POLL1 | |||
| 674 | if (IS_AFTER (wt.time_spent, *wt.wait_time_ptr)(((*wt.wait_time_ptr).tv_sec > (wt.time_spent).tv_sec) || ( ((*wt.wait_time_ptr).tv_sec == (wt.time_spent).tv_sec)&& ((*wt.wait_time_ptr).tv_usec > (wt.time_spent).tv_usec)))) { | |||
| 675 | TIMEDELTA (wt.wait_time, *wt.wait_time_ptr, wt.time_spent){ if(((wt.wait_time).tv_usec = (*wt.wait_time_ptr).tv_usec - ( wt.time_spent).tv_usec) < 0) { (wt.wait_time).tv_usec += 1000000 ; (wt.wait_time).tv_sec = (*wt.wait_time_ptr).tv_sec - (wt.time_spent ).tv_sec - 1; } else (wt.wait_time).tv_sec = (*wt.wait_time_ptr ).tv_sec - (wt.time_spent).tv_sec; }; | |||
| 676 | wt.wait_time_ptr = &wt.wait_time; | |||
| 677 | continue; | |||
| 678 | } else | |||
| 679 | #else | |||
| 680 | if ((wt.time_spent.tv_sec * 1000 + wt.time_spent.tv_usec / 1000) < wt.poll_wait) { | |||
| 681 | wt.poll_wait -= (wt.time_spent.tv_sec * 1000 + wt.time_spent.tv_usec / 1000); | |||
| 682 | continue; | |||
| 683 | } else | |||
| 684 | #endif | |||
| 685 | nfds = 0; | |||
| 686 | } | |||
| 687 | } else { | |||
| 688 | char Errno[12]; | |||
| 689 | String param = Errno; | |||
| 690 | Cardinal param_count = 1; | |||
| 691 | ||||
| 692 | sprintf( Errno, "%d", errno)__builtin___sprintf_chk (Errno, 0, __builtin_object_size (Errno , 2 > 1 ? 1 : 0), "%d", (*__error())); | |||
| 693 | XtAppWarningMsg(app, "communicationError","select", | |||
| 694 | XtCXtToolkitError,"Select failed; error code %s", | |||
| 695 | ¶m, ¶m_count); | |||
| 696 | continue; | |||
| 697 | } | |||
| 698 | } /* timed out or input available */ | |||
| 699 | break; | |||
| 700 | } | |||
| 701 | ||||
| 702 | if (nfds == 0) { | |||
| 703 | /* Timed out */ | |||
| 704 | if (howlong) | |||
| 705 | *howlong = (unsigned long)0; | |||
| 706 | #ifdef USE_POLL1 | |||
| 707 | XtStackFree ((XtPointer) wf.fdlist, fdlist){ if (((XtPointer) wf.fdlist) != ((XtPointer)(fdlist))) XtFree ((XtPointer) wf.fdlist); }; | |||
| 708 | #endif | |||
| 709 | return -1; | |||
| 710 | } | |||
| 711 | ||||
| 712 | if (block && howlong != NULL((void*)0)) | |||
| 713 | AdjustHowLong (howlong, &wt.start_time); | |||
| 714 | ||||
| 715 | if (ignoreInputs && ignoreEvents) { | |||
| 716 | #ifdef USE_POLL1 | |||
| 717 | XtStackFree ((XtPointer) wf.fdlist, fdlist){ if (((XtPointer) wf.fdlist) != ((XtPointer)(fdlist))) XtFree ((XtPointer) wf.fdlist); }; | |||
| 718 | #endif | |||
| 719 | return -1; | |||
| 720 | } else | |||
| 721 | FindInputs (app, &wf, nfds, | |||
| 722 | ignoreEvents, ignoreInputs, | |||
| 723 | &dpy_no, &found_input); | |||
| 724 | ||||
| 725 | if (dpy_no >= 0 || found_input) { | |||
| 726 | #ifdef USE_POLL1 | |||
| 727 | XtStackFree ((XtPointer) wf.fdlist, fdlist){ if (((XtPointer) wf.fdlist) != ((XtPointer)(fdlist))) XtFree ((XtPointer) wf.fdlist); }; | |||
| 728 | #endif | |||
| 729 | return dpy_no; | |||
| 730 | } | |||
| 731 | if (block) | |||
| 732 | goto WaitLoop; | |||
| 733 | else { | |||
| 734 | #ifdef USE_POLL1 | |||
| 735 | XtStackFree ((XtPointer) wf.fdlist, fdlist){ if (((XtPointer) wf.fdlist) != ((XtPointer)(fdlist))) XtFree ((XtPointer) wf.fdlist); }; | |||
| 736 | #endif | |||
| 737 | return -1; | |||
| 738 | } | |||
| 739 | } | |||
| 740 | ||||
| 741 | #define IeCallProc(ptr)(*ptr->ie_proc) (ptr->ie_closure, &ptr->ie_source , (XtInputId*)&ptr); \ | |||
| 742 | (*ptr->ie_proc) (ptr->ie_closure, &ptr->ie_source, (XtInputId*)&ptr); | |||
| 743 | ||||
| 744 | #define TeCallProc(ptr)(*ptr->te_proc) (ptr->te_closure, (XtIntervalId*)&ptr ); \ | |||
| 745 | (*ptr->te_proc) (ptr->te_closure, (XtIntervalId*)&ptr); | |||
| 746 | ||||
| 747 | #define SeCallProc(ptr)(*ptr->se_proc) (ptr->se_closure, (XtSignalId*)&ptr ); \ | |||
| 748 | (*ptr->se_proc) (ptr->se_closure, (XtSignalId*)&ptr); | |||
| 749 | ||||
| 750 | /* | |||
| 751 | * Public Routines | |||
| 752 | */ | |||
| 753 | ||||
| 754 | XtIntervalId XtAddTimeOut( | |||
| 755 | unsigned long interval, | |||
| 756 | XtTimerCallbackProc proc, | |||
| 757 | XtPointer closure) | |||
| 758 | { | |||
| 759 | return XtAppAddTimeOut(_XtDefaultAppContext(), | |||
| 760 | interval, proc, closure); | |||
| 761 | } | |||
| 762 | ||||
| 763 | static void QueueTimerEvent( | |||
| 764 | XtAppContext app, | |||
| 765 | TimerEventRec *ptr) | |||
| 766 | { | |||
| 767 | TimerEventRec *t,**tt; | |||
| 768 | tt = &app->timerQueue; | |||
| 769 | t = *tt; | |||
| 770 | while (t != NULL((void*)0) && | |||
| 771 | IS_AFTER(t->te_timer_value, ptr->te_timer_value)(((ptr->te_timer_value).tv_sec > (t->te_timer_value) .tv_sec) || (((ptr->te_timer_value).tv_sec == (t->te_timer_value ).tv_sec)&& ((ptr->te_timer_value).tv_usec > (t ->te_timer_value).tv_usec)))) { | |||
| 772 | tt = &t->te_next; | |||
| 773 | t = *tt; | |||
| 774 | } | |||
| 775 | ptr->te_next = t; | |||
| 776 | *tt = ptr; | |||
| 777 | } | |||
| 778 | ||||
| 779 | XtIntervalId XtAppAddTimeOut( | |||
| 780 | XtAppContext app, | |||
| 781 | unsigned long interval, | |||
| 782 | XtTimerCallbackProc proc, | |||
| 783 | XtPointer closure) | |||
| 784 | { | |||
| 785 | TimerEventRec *tptr; | |||
| 786 | struct timeval current_time; | |||
| 787 | ||||
| 788 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
| 789 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
| 790 | if (freeTimerRecs) { | |||
| 791 | tptr = freeTimerRecs; | |||
| 792 | freeTimerRecs = tptr->te_next; | |||
| 793 | } | |||
| 794 | else tptr = XtNew(TimerEventRec)((TimerEventRec *) XtMalloc((unsigned) sizeof(TimerEventRec)) ); | |||
| 795 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
| 796 | ||||
| 797 | tptr->te_next = NULL((void*)0); | |||
| 798 | tptr->te_closure = closure; | |||
| 799 | tptr->te_proc = proc; | |||
| 800 | tptr->app = app; | |||
| 801 | tptr->te_timer_value.tv_sec = interval/1000; | |||
| 802 | tptr->te_timer_value.tv_usec = (interval%1000)*1000; | |||
| 803 | X_GETTIMEOFDAY (¤t_time)gettimeofday(¤t_time, (struct timezone*)0); | |||
| 804 | FIXUP_TIMEVAL(current_time); | |||
| 805 | ADD_TIME(tptr->te_timer_value,tptr->te_timer_value,current_time){ if(((tptr->te_timer_value).tv_usec = (tptr->te_timer_value ).tv_usec + (current_time).tv_usec) >= 1000000) { (tptr-> te_timer_value).tv_usec -= 1000000; (tptr->te_timer_value) .tv_sec = (tptr->te_timer_value).tv_sec + (current_time).tv_sec + 1 ; } else { (tptr->te_timer_value).tv_sec = (tptr-> te_timer_value).tv_sec + (current_time).tv_sec ; if(((tptr-> te_timer_value).tv_sec >= 1) && (((tptr->te_timer_value ).tv_usec <0))) { (tptr->te_timer_value).tv_sec --;(tptr ->te_timer_value).tv_usec += 1000000; } } }; | |||
| 806 | QueueTimerEvent(app, tptr); | |||
| 807 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 808 | return( (XtIntervalId) tptr); | |||
| 809 | } | |||
| 810 | ||||
| 811 | void XtRemoveTimeOut( | |||
| 812 | XtIntervalId id) | |||
| 813 | { | |||
| 814 | TimerEventRec *t, *last, *tid = (TimerEventRec *) id; | |||
| 815 | XtAppContext app = tid->app; | |||
| 816 | ||||
| 817 | /* find it */ | |||
| 818 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
| 819 | for(t = app->timerQueue, last = NULL((void*)0); | |||
| 820 | t != NULL((void*)0) && t != tid; | |||
| 821 | t = t->te_next) last = t; | |||
| 822 | ||||
| 823 | if (t == NULL((void*)0)) { | |||
| 824 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 825 | return; /* couldn't find it */ | |||
| 826 | } | |||
| 827 | if(last == NULL((void*)0)) { /* first one on the list */ | |||
| 828 | app->timerQueue = t->te_next; | |||
| 829 | } else last->te_next = t->te_next; | |||
| 830 | ||||
| 831 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
| 832 | t->te_next = freeTimerRecs; | |||
| 833 | freeTimerRecs = t; | |||
| 834 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
| 835 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 836 | } | |||
| 837 | ||||
| 838 | XtWorkProcId XtAddWorkProc( | |||
| 839 | XtWorkProc proc, | |||
| 840 | XtPointer closure) | |||
| 841 | { | |||
| 842 | return XtAppAddWorkProc(_XtDefaultAppContext(), proc, closure); | |||
| 843 | } | |||
| 844 | ||||
| 845 | XtWorkProcId XtAppAddWorkProc( | |||
| 846 | XtAppContext app, | |||
| 847 | XtWorkProc proc, | |||
| 848 | XtPointer closure) | |||
| 849 | { | |||
| 850 | WorkProcRec *wptr; | |||
| 851 | ||||
| 852 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
| 853 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
| 854 | if (freeWorkRecs) { | |||
| 855 | wptr = freeWorkRecs; | |||
| 856 | freeWorkRecs = wptr->next; | |||
| 857 | } else wptr = XtNew(WorkProcRec)((WorkProcRec *) XtMalloc((unsigned) sizeof(WorkProcRec))); | |||
| 858 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
| 859 | wptr->next = app->workQueue; | |||
| 860 | wptr->closure = closure; | |||
| 861 | wptr->proc = proc; | |||
| 862 | wptr->app = app; | |||
| 863 | app->workQueue = wptr; | |||
| 864 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 865 | return (XtWorkProcId) wptr; | |||
| 866 | } | |||
| 867 | ||||
| 868 | void XtRemoveWorkProc( | |||
| 869 | XtWorkProcId id) | |||
| 870 | { | |||
| 871 | WorkProcRec *wid= (WorkProcRec *) id, *w, *last; | |||
| 872 | XtAppContext app = wid->app; | |||
| 873 | ||||
| 874 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
| 875 | /* find it */ | |||
| 876 | for(w = app->workQueue, last = NULL((void*)0); | |||
| 877 | w != NULL((void*)0) && w != wid; w = w->next) last = w; | |||
| 878 | ||||
| 879 | if (w == NULL((void*)0)) { | |||
| 880 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 881 | return; /* couldn't find it */ | |||
| 882 | } | |||
| 883 | ||||
| 884 | if(last == NULL((void*)0)) app->workQueue = w->next; | |||
| 885 | else last->next = w->next; | |||
| 886 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
| 887 | w->next = freeWorkRecs; | |||
| 888 | freeWorkRecs = w; | |||
| 889 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
| 890 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 891 | } | |||
| 892 | ||||
| 893 | XtSignalId XtAddSignal( | |||
| 894 | XtSignalCallbackProc proc, | |||
| 895 | XtPointer closure) | |||
| 896 | { | |||
| 897 | return XtAppAddSignal(_XtDefaultAppContext(), proc, closure); | |||
| 898 | } | |||
| 899 | ||||
| 900 | XtSignalId XtAppAddSignal( | |||
| 901 | XtAppContext app, | |||
| 902 | XtSignalCallbackProc proc, | |||
| 903 | XtPointer closure) | |||
| 904 | { | |||
| 905 | SignalEventRec *sptr; | |||
| 906 | ||||
| 907 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
| 908 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
| 909 | if (freeSignalRecs) { | |||
| 910 | sptr = freeSignalRecs; | |||
| 911 | freeSignalRecs = sptr->se_next; | |||
| 912 | } else | |||
| 913 | sptr = XtNew(SignalEventRec)((SignalEventRec *) XtMalloc((unsigned) sizeof(SignalEventRec ))); | |||
| 914 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
| 915 | sptr->se_next = app->signalQueue; | |||
| 916 | sptr->se_closure = closure; | |||
| 917 | sptr->se_proc = proc; | |||
| 918 | sptr->app = app; | |||
| 919 | sptr->se_notice = FALSE0; | |||
| 920 | app->signalQueue = sptr; | |||
| 921 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 922 | return (XtSignalId) sptr; | |||
| 923 | } | |||
| 924 | ||||
| 925 | void XtRemoveSignal( | |||
| 926 | XtSignalId id) | |||
| 927 | { | |||
| 928 | SignalEventRec *sid = (SignalEventRec*) id, *s, *last = NULL((void*)0); | |||
| 929 | XtAppContext app = sid->app; | |||
| 930 | ||||
| 931 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
| 932 | for (s = app->signalQueue; s != NULL((void*)0) && s != sid; s = s->se_next) | |||
| 933 | last = s; | |||
| 934 | if (s == NULL((void*)0)) { | |||
| 935 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 936 | return; | |||
| 937 | } | |||
| 938 | if (last == NULL((void*)0)) | |||
| 939 | app->signalQueue = s->se_next; | |||
| 940 | else | |||
| 941 | last->se_next = s->se_next; | |||
| 942 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
| 943 | s->se_next = freeSignalRecs; | |||
| 944 | freeSignalRecs = s; | |||
| 945 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
| 946 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 947 | } | |||
| 948 | ||||
| 949 | void XtNoticeSignal( | |||
| 950 | XtSignalId id) | |||
| 951 | { | |||
| 952 | /* | |||
| 953 | * It would be overkill to lock the app to set this flag. | |||
| 954 | * In the worst case, 2..n threads would be modifying this | |||
| 955 | * flag. The last one wins. Since signals occur asynchronously | |||
| 956 | * anyway, this can occur with or without threads. | |||
| 957 | * | |||
| 958 | * The other issue is that thread t1 sets the flag in a | |||
| 959 | * signalrec that has been deleted in thread t2. We rely | |||
| 960 | * on a detail of the implementation, i.e. free'd signalrecs | |||
| 961 | * aren't really free'd, they're just moved to a list of | |||
| 962 | * free recs, so deref'ing one won't hurt anything. | |||
| 963 | * | |||
| 964 | * Lastly, and perhaps most importantly, since POSIX threads | |||
| 965 | * says that the handling of asynchronous signals in a synchronous | |||
| 966 | * threads environment is undefined. Therefor it would be an | |||
| 967 | * error for both signals and threads to be in use in the same | |||
| 968 | * program. | |||
| 969 | */ | |||
| 970 | SignalEventRec *sid = (SignalEventRec*) id; | |||
| 971 | sid->se_notice = TRUE1; | |||
| 972 | } | |||
| 973 | ||||
| 974 | XtInputId XtAddInput( | |||
| 975 | int source, | |||
| 976 | XtPointer Condition, | |||
| 977 | XtInputCallbackProc proc, | |||
| 978 | XtPointer closure) | |||
| 979 | { | |||
| 980 | return XtAppAddInput(_XtDefaultAppContext(), | |||
| ||||
| 981 | source, Condition, proc, closure); | |||
| 982 | } | |||
| 983 | ||||
| 984 | XtInputId XtAppAddInput( | |||
| 985 | XtAppContext app, | |||
| 986 | int source, | |||
| 987 | XtPointer Condition, | |||
| 988 | XtInputCallbackProc proc, | |||
| 989 | XtPointer closure) | |||
| 990 | { | |||
| 991 | InputEvent* sptr; | |||
| 992 | XtInputMask condition = (XtInputMask) Condition; | |||
| 993 | ||||
| 994 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
| 995 | if (!condition || | |||
| 996 | condition & ~(XtInputReadMask(1L<<0)|XtInputWriteMask(1L<<1)|XtInputExceptMask(1L<<2))) | |||
| 997 | XtAppErrorMsg(app,"invalidParameter","xtAddInput",XtCXtToolkitError, | |||
| 998 | "invalid condition passed to XtAppAddInput", | |||
| 999 | (String *)NULL((void*)0), (Cardinal *)NULL((void*)0)); | |||
| 1000 | ||||
| 1001 | if (app->input_max <= source) { | |||
| ||||
| 1002 | Cardinal n = source + 1; | |||
| 1003 | int ii; | |||
| 1004 | app->input_list = (InputEvent**)XtRealloc((char*) app->input_list, | |||
| 1005 | n * sizeof(InputEvent*)); | |||
| 1006 | for (ii = app->input_max; ii < (int) n; ii++) | |||
| 1007 | app->input_list[ii] = (InputEvent*) NULL((void*)0); | |||
| 1008 | app->input_max = n; | |||
| 1009 | } | |||
| 1010 | sptr = XtNew(InputEvent)((InputEvent *) XtMalloc((unsigned) sizeof(InputEvent))); | |||
| 1011 | sptr->ie_proc = proc; | |||
| 1012 | sptr->ie_closure = closure; | |||
| 1013 | sptr->app = app; | |||
| 1014 | sptr->ie_oq = NULL((void*)0); | |||
| 1015 | sptr->ie_source = source; | |||
| 1016 | sptr->ie_condition = condition; | |||
| 1017 | sptr->ie_next = app->input_list[source]; | |||
| 1018 | app->input_list[source] = sptr; | |||
| 1019 | ||||
| 1020 | #ifndef USE_POLL1 | |||
| 1021 | if (condition & XtInputReadMask(1L<<0)) FD_SET(source, &app->fds.rmask)do { int __fd = (source); ((&app->fds.rmask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 1022 | if (condition & XtInputWriteMask(1L<<1)) FD_SET(source, &app->fds.wmask)do { int __fd = (source); ((&app->fds.wmask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 1023 | if (condition & XtInputExceptMask(1L<<2)) FD_SET(source, &app->fds.emask)do { int __fd = (source); ((&app->fds.emask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 1024 | ||||
| 1025 | if (app->fds.nfds < (source+1)) app->fds.nfds = source+1; | |||
| 1026 | #else | |||
| 1027 | if (sptr->ie_next == NULL((void*)0)) | |||
| 1028 | app->fds.nfds++; | |||
| 1029 | #endif | |||
| 1030 | app->input_count++; | |||
| 1031 | app->rebuild_fdlist = TRUE1; | |||
| 1032 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1033 | return((XtInputId)sptr); | |||
| 1034 | } | |||
| 1035 | ||||
| 1036 | void XtRemoveInput( | |||
| 1037 | register XtInputId id) | |||
| 1038 | { | |||
| 1039 | register InputEvent *sptr, *lptr; | |||
| 1040 | XtAppContext app = ((InputEvent *)id)->app; | |||
| 1041 | register int source = ((InputEvent *)id)->ie_source; | |||
| 1042 | Boolean found = False0; | |||
| 1043 | ||||
| 1044 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
| 1045 | sptr = app->outstandingQueue; | |||
| 1046 | lptr = NULL((void*)0); | |||
| 1047 | for (; sptr != NULL((void*)0); sptr = sptr->ie_oq) { | |||
| 1048 | if (sptr == (InputEvent *)id) { | |||
| 1049 | if (lptr == NULL((void*)0)) app->outstandingQueue = sptr->ie_oq; | |||
| 1050 | else lptr->ie_oq = sptr->ie_oq; | |||
| 1051 | } | |||
| 1052 | lptr = sptr; | |||
| 1053 | } | |||
| 1054 | ||||
| 1055 | if(app->input_list && (sptr = app->input_list[source]) != NULL((void*)0)) { | |||
| 1056 | for( lptr = NULL((void*)0) ; sptr; sptr = sptr->ie_next ){ | |||
| 1057 | if(sptr == (InputEvent *) id) { | |||
| 1058 | #ifndef USE_POLL1 | |||
| 1059 | XtInputMask condition = 0; | |||
| 1060 | #endif | |||
| 1061 | if(lptr == NULL((void*)0)) { | |||
| 1062 | app->input_list[source] = sptr->ie_next; | |||
| 1063 | } else { | |||
| 1064 | lptr->ie_next = sptr->ie_next; | |||
| 1065 | } | |||
| 1066 | #ifndef USE_POLL1 | |||
| 1067 | for (lptr = app->input_list[source]; | |||
| 1068 | lptr; lptr = lptr->ie_next) | |||
| 1069 | condition |= lptr->ie_condition; | |||
| 1070 | if ((sptr->ie_condition & XtInputReadMask(1L<<0)) && | |||
| 1071 | !(condition & XtInputReadMask(1L<<0))) | |||
| 1072 | FD_CLR(source, &app->fds.rmask)do { int __fd = (source); ((&app->fds.rmask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1073 | if ((sptr->ie_condition & XtInputWriteMask(1L<<1)) && | |||
| 1074 | !(condition & XtInputWriteMask(1L<<1))) | |||
| 1075 | FD_CLR(source, &app->fds.wmask)do { int __fd = (source); ((&app->fds.wmask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1076 | if ((sptr->ie_condition & XtInputExceptMask(1L<<2)) && | |||
| 1077 | !(condition & XtInputExceptMask(1L<<2))) | |||
| 1078 | FD_CLR(source, &app->fds.emask)do { int __fd = (source); ((&app->fds.emask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1079 | #endif | |||
| 1080 | XtFree((char *) sptr); | |||
| 1081 | found = True1; | |||
| 1082 | break; | |||
| 1083 | } | |||
| 1084 | lptr = sptr; | |||
| 1085 | } | |||
| 1086 | } | |||
| 1087 | ||||
| 1088 | if (found) { | |||
| 1089 | app->input_count--; | |||
| 1090 | #ifdef USE_POLL1 | |||
| 1091 | if (app->input_list[source] == NULL((void*)0)) | |||
| 1092 | app->fds.nfds--; | |||
| 1093 | #endif | |||
| 1094 | app->rebuild_fdlist = TRUE1; | |||
| 1095 | } else | |||
| 1096 | XtAppWarningMsg(app, "invalidProcedure","inputHandler", | |||
| 1097 | XtCXtToolkitError, | |||
| 1098 | "XtRemoveInput: Input handler not found", | |||
| 1099 | (String *)NULL((void*)0), (Cardinal *)NULL((void*)0)); | |||
| 1100 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1101 | } | |||
| 1102 | ||||
| 1103 | void _XtRemoveAllInputs( | |||
| 1104 | XtAppContext app) | |||
| 1105 | { | |||
| 1106 | int i; | |||
| 1107 | for (i = 0; i < app->input_max; i++) { | |||
| 1108 | InputEvent* ep = app->input_list[i]; | |||
| 1109 | while (ep) { | |||
| 1110 | InputEvent *next = ep->ie_next; | |||
| 1111 | XtFree( (char*)ep ); | |||
| 1112 | ep = next; | |||
| 1113 | } | |||
| 1114 | } | |||
| 1115 | XtFree((char *) app->input_list); | |||
| 1116 | } | |||
| 1117 | ||||
| 1118 | /* Do alternate input and timer callbacks if there are any */ | |||
| 1119 | ||||
| 1120 | static void DoOtherSources( | |||
| 1121 | XtAppContext app) | |||
| 1122 | { | |||
| 1123 | TimerEventRec *te_ptr; | |||
| 1124 | InputEvent *ie_ptr; | |||
| 1125 | struct timeval cur_time; | |||
| 1126 | ||||
| 1127 | #define DrainQueue() \ | |||
| 1128 | for (ie_ptr = app->outstandingQueue; ie_ptr != NULL((void*)0);) { \ | |||
| 1129 | app->outstandingQueue = ie_ptr->ie_oq; \ | |||
| 1130 | ie_ptr ->ie_oq = NULL((void*)0); \ | |||
| 1131 | IeCallProc(ie_ptr)(*ie_ptr->ie_proc) (ie_ptr->ie_closure, &ie_ptr-> ie_source, (XtInputId*)&ie_ptr);; \ | |||
| 1132 | ie_ptr = app->outstandingQueue; \ | |||
| 1133 | } | |||
| 1134 | /*enddef*/ | |||
| 1135 | DrainQueue(); | |||
| 1136 | if (app->input_count > 0) { | |||
| 1137 | /* Call _XtWaitForSomething to get input queued up */ | |||
| 1138 | (void) _XtWaitForSomething (app, | |||
| 1139 | TRUE1, TRUE1, FALSE0, TRUE1, | |||
| 1140 | FALSE0, | |||
| 1141 | #ifdef XTHREADS1 | |||
| 1142 | TRUE1, | |||
| 1143 | #endif | |||
| 1144 | (unsigned long *)NULL((void*)0)); | |||
| 1145 | DrainQueue(); | |||
| 1146 | } | |||
| 1147 | if (app->timerQueue != NULL((void*)0)) { /* check timeout queue */ | |||
| 1148 | X_GETTIMEOFDAY (&cur_time)gettimeofday(&cur_time, (struct timezone*)0); | |||
| 1149 | FIXUP_TIMEVAL(cur_time); | |||
| 1150 | while(IS_AT_OR_AFTER (app->timerQueue->te_timer_value, cur_time)(((cur_time).tv_sec > (app->timerQueue->te_timer_value ).tv_sec) || (((cur_time).tv_sec == (app->timerQueue->te_timer_value ).tv_sec)&& ((cur_time).tv_usec >= (app->timerQueue ->te_timer_value).tv_usec)))) { | |||
| 1151 | te_ptr = app->timerQueue; | |||
| 1152 | app->timerQueue = te_ptr->te_next; | |||
| 1153 | te_ptr->te_next = NULL((void*)0); | |||
| 1154 | if (te_ptr->te_proc != NULL((void*)0)) | |||
| 1155 | TeCallProc(te_ptr)(*te_ptr->te_proc) (te_ptr->te_closure, (XtIntervalId*) &te_ptr);; | |||
| 1156 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
| 1157 | te_ptr->te_next = freeTimerRecs; | |||
| 1158 | freeTimerRecs = te_ptr; | |||
| 1159 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
| 1160 | if (app->timerQueue == NULL((void*)0)) break; | |||
| 1161 | } | |||
| 1162 | } | |||
| 1163 | if (app->signalQueue != NULL((void*)0)) { | |||
| 1164 | SignalEventRec *se_ptr = app->signalQueue; | |||
| 1165 | while (se_ptr != NULL((void*)0)) { | |||
| 1166 | if (se_ptr->se_notice) { | |||
| 1167 | se_ptr->se_notice = FALSE0; | |||
| 1168 | if (se_ptr->se_proc != NULL((void*)0)) | |||
| 1169 | SeCallProc(se_ptr)(*se_ptr->se_proc) (se_ptr->se_closure, (XtSignalId*)& se_ptr);; | |||
| 1170 | } | |||
| 1171 | se_ptr = se_ptr->se_next; | |||
| 1172 | } | |||
| 1173 | } | |||
| 1174 | #undef DrainQueue | |||
| 1175 | } | |||
| 1176 | ||||
| 1177 | /* If there are any work procs, call them. Return whether we did so */ | |||
| 1178 | ||||
| 1179 | static Boolean CallWorkProc( | |||
| 1180 | XtAppContext app) | |||
| 1181 | { | |||
| 1182 | register WorkProcRec *w = app->workQueue; | |||
| 1183 | Boolean delete; | |||
| 1184 | ||||
| 1185 | if (w == NULL((void*)0)) return FALSE0; | |||
| 1186 | ||||
| 1187 | app->workQueue = w->next; | |||
| 1188 | ||||
| 1189 | delete = (*(w->proc)) (w->closure); | |||
| 1190 | ||||
| 1191 | if (delete) { | |||
| 1192 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
| 1193 | w->next = freeWorkRecs; | |||
| 1194 | freeWorkRecs = w; | |||
| 1195 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
| 1196 | } | |||
| 1197 | else { | |||
| 1198 | w->next = app->workQueue; | |||
| 1199 | app->workQueue = w; | |||
| 1200 | } | |||
| 1201 | return TRUE1; | |||
| 1202 | } | |||
| 1203 | ||||
| 1204 | /* | |||
| 1205 | * XtNextEvent() | |||
| 1206 | * return next event; | |||
| 1207 | */ | |||
| 1208 | ||||
| 1209 | void XtNextEvent( | |||
| 1210 | XEvent *event) | |||
| 1211 | { | |||
| 1212 | XtAppNextEvent(_XtDefaultAppContext(), event); | |||
| 1213 | } | |||
| 1214 | ||||
| 1215 | void _XtRefreshMapping( | |||
| 1216 | XEvent* event, | |||
| 1217 | _XtBooleanint dispatch) | |||
| 1218 | { | |||
| 1219 | XtPerDisplay pd; | |||
| 1220 | ||||
| 1221 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
| 1222 | pd = _XtGetPerDisplay(event->xmapping.display); | |||
| 1223 | if (event->xmapping.request != MappingPointer2 && | |||
| 1224 | pd && pd->keysyms && (event->xmapping.serial >= pd->keysyms_serial)) | |||
| 1225 | _XtBuildKeysymTables( event->xmapping.display, pd ); | |||
| 1226 | XRefreshKeyboardMapping(&event->xmapping); | |||
| 1227 | if (dispatch && pd && pd->mapping_callbacks) | |||
| 1228 | XtCallCallbackList((Widget) NULL((void*)0), | |||
| 1229 | (XtCallbackList)pd->mapping_callbacks, | |||
| 1230 | (XtPointer)event ); | |||
| 1231 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
| 1232 | } | |||
| 1233 | ||||
| 1234 | void XtAppNextEvent( | |||
| 1235 | XtAppContext app, | |||
| 1236 | XEvent *event) | |||
| 1237 | { | |||
| 1238 | int i, d; | |||
| 1239 | ||||
| 1240 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
| 1241 | for (;;) { | |||
| 1242 | if (app->count == 0) | |||
| 1243 | DoOtherSources(app); | |||
| 1244 | else { | |||
| 1245 | for (i = 1; i <= app->count; i++) { | |||
| 1246 | d = (i + app->last) % app->count; | |||
| 1247 | if (d == 0) DoOtherSources(app); | |||
| 1248 | if (XEventsQueued(app->list[d], QueuedAfterReading1)) | |||
| 1249 | goto GotEvent; | |||
| 1250 | } | |||
| 1251 | for (i = 1; i <= app->count; i++) { | |||
| 1252 | d = (i + app->last) % app->count; | |||
| 1253 | if (XEventsQueued(app->list[d], QueuedAfterFlush2)) | |||
| 1254 | goto GotEvent; | |||
| 1255 | } | |||
| 1256 | } | |||
| 1257 | ||||
| 1258 | /* We're ready to wait...if there is a work proc, call it */ | |||
| 1259 | if (CallWorkProc(app)) continue; | |||
| 1260 | ||||
| 1261 | d = _XtWaitForSomething (app, | |||
| 1262 | FALSE0, FALSE0, FALSE0, FALSE0, | |||
| 1263 | TRUE1, | |||
| 1264 | #ifdef XTHREADS1 | |||
| 1265 | TRUE1, | |||
| 1266 | #endif | |||
| 1267 | (unsigned long *) NULL((void*)0)); | |||
| 1268 | ||||
| 1269 | if (d != -1) { | |||
| 1270 | GotEvent: | |||
| 1271 | XNextEvent (app->list[d], event); | |||
| 1272 | #ifdef XTHREADS1 | |||
| 1273 | /* assert(app->list[d] == event->xany.display); */ | |||
| 1274 | #endif | |||
| 1275 | app->last = d; | |||
| 1276 | if (event->xany.type == MappingNotify34) | |||
| 1277 | _XtRefreshMapping(event, False0); | |||
| 1278 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1279 | return; | |||
| 1280 | } | |||
| 1281 | ||||
| 1282 | } /* for */ | |||
| 1283 | } | |||
| 1284 | ||||
| 1285 | void XtProcessEvent( | |||
| 1286 | XtInputMask mask) | |||
| 1287 | { | |||
| 1288 | XtAppProcessEvent(_XtDefaultAppContext(), mask); | |||
| 1289 | } | |||
| 1290 | ||||
| 1291 | void XtAppProcessEvent( | |||
| 1292 | XtAppContext app, | |||
| 1293 | XtInputMask mask) | |||
| 1294 | { | |||
| 1295 | int i, d; | |||
| 1296 | XEvent event; | |||
| 1297 | struct timeval cur_time; | |||
| 1298 | ||||
| 1299 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
| 1300 | if (mask == 0) { | |||
| 1301 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1302 | return; | |||
| 1303 | } | |||
| 1304 | ||||
| 1305 | for (;;) { | |||
| 1306 | ||||
| 1307 | if (mask & XtIMSignal8 && app->signalQueue != NULL((void*)0)) { | |||
| 1308 | SignalEventRec *se_ptr = app->signalQueue; | |||
| 1309 | while (se_ptr != NULL((void*)0)) { | |||
| 1310 | if (se_ptr->se_notice) { | |||
| 1311 | se_ptr->se_notice = FALSE0; | |||
| 1312 | SeCallProc(se_ptr)(*se_ptr->se_proc) (se_ptr->se_closure, (XtSignalId*)& se_ptr);; | |||
| 1313 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1314 | return; | |||
| 1315 | } | |||
| 1316 | se_ptr = se_ptr->se_next; | |||
| 1317 | } | |||
| 1318 | } | |||
| 1319 | ||||
| 1320 | if (mask & XtIMTimer2 && app->timerQueue != NULL((void*)0)) { | |||
| 1321 | X_GETTIMEOFDAY (&cur_time)gettimeofday(&cur_time, (struct timezone*)0); | |||
| 1322 | FIXUP_TIMEVAL(cur_time); | |||
| 1323 | if (IS_AT_OR_AFTER(app->timerQueue->te_timer_value, cur_time)(((cur_time).tv_sec > (app->timerQueue->te_timer_value ).tv_sec) || (((cur_time).tv_sec == (app->timerQueue->te_timer_value ).tv_sec)&& ((cur_time).tv_usec >= (app->timerQueue ->te_timer_value).tv_usec)))){ | |||
| 1324 | TimerEventRec *te_ptr = app->timerQueue; | |||
| 1325 | app->timerQueue = app->timerQueue->te_next; | |||
| 1326 | te_ptr->te_next = NULL((void*)0); | |||
| 1327 | if (te_ptr->te_proc != NULL((void*)0)) | |||
| 1328 | TeCallProc(te_ptr)(*te_ptr->te_proc) (te_ptr->te_closure, (XtIntervalId*) &te_ptr);; | |||
| 1329 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
| 1330 | te_ptr->te_next = freeTimerRecs; | |||
| 1331 | freeTimerRecs = te_ptr; | |||
| 1332 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
| 1333 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1334 | return; | |||
| 1335 | } | |||
| 1336 | } | |||
| 1337 | ||||
| 1338 | if (mask & XtIMAlternateInput4) { | |||
| 1339 | if (app->input_count > 0 && app->outstandingQueue == NULL((void*)0)) { | |||
| 1340 | /* Call _XtWaitForSomething to get input queued up */ | |||
| 1341 | (void) _XtWaitForSomething (app, | |||
| 1342 | TRUE1, TRUE1, FALSE0, TRUE1, | |||
| 1343 | FALSE0, | |||
| 1344 | #ifdef XTHREADS1 | |||
| 1345 | TRUE1, | |||
| 1346 | #endif | |||
| 1347 | (unsigned long *)NULL((void*)0)); | |||
| 1348 | } | |||
| 1349 | if (app->outstandingQueue != NULL((void*)0)) { | |||
| 1350 | InputEvent *ie_ptr = app->outstandingQueue; | |||
| 1351 | app->outstandingQueue = ie_ptr->ie_oq; | |||
| 1352 | ie_ptr->ie_oq = NULL((void*)0); | |||
| 1353 | IeCallProc(ie_ptr)(*ie_ptr->ie_proc) (ie_ptr->ie_closure, &ie_ptr-> ie_source, (XtInputId*)&ie_ptr);; | |||
| 1354 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1355 | return; | |||
| 1356 | } | |||
| 1357 | } | |||
| 1358 | ||||
| 1359 | if (mask & XtIMXEvent1) { | |||
| 1360 | for (i = 1; i <= app->count; i++) { | |||
| 1361 | d = (i + app->last) % app->count; | |||
| 1362 | if (XEventsQueued(app->list[d], QueuedAfterReading1)) | |||
| 1363 | goto GotEvent; | |||
| 1364 | } | |||
| 1365 | for (i = 1; i <= app->count; i++) { | |||
| 1366 | d = (i + app->last) % app->count; | |||
| 1367 | if (XEventsQueued(app->list[d], QueuedAfterFlush2)) | |||
| 1368 | goto GotEvent; | |||
| 1369 | } | |||
| 1370 | } | |||
| 1371 | ||||
| 1372 | /* Nothing to do...wait for something */ | |||
| 1373 | ||||
| 1374 | if (CallWorkProc(app)) continue; | |||
| 1375 | ||||
| 1376 | d = _XtWaitForSomething (app, | |||
| 1377 | (mask & XtIMXEvent1 ? FALSE0 : TRUE1), | |||
| 1378 | (mask & XtIMTimer2 ? FALSE0 : TRUE1), | |||
| 1379 | (mask & XtIMAlternateInput4 ? FALSE0 : TRUE1), | |||
| 1380 | (mask & XtIMSignal8 ? FALSE0 : TRUE1), | |||
| 1381 | TRUE1, | |||
| 1382 | #ifdef XTHREADS1 | |||
| 1383 | TRUE1, | |||
| 1384 | #endif | |||
| 1385 | (unsigned long *) NULL((void*)0)); | |||
| 1386 | ||||
| 1387 | if (mask & XtIMXEvent1 && d != -1) { | |||
| 1388 | GotEvent: | |||
| 1389 | XNextEvent(app->list[d], &event); | |||
| 1390 | #ifdef XTHREADS1 | |||
| 1391 | /* assert(app->list[d] == event.xany.display); */ | |||
| 1392 | #endif | |||
| 1393 | app->last = d; | |||
| 1394 | if (event.xany.type == MappingNotify34) { | |||
| 1395 | _XtRefreshMapping(&event, False0); | |||
| 1396 | } | |||
| 1397 | XtDispatchEvent(&event); | |||
| 1398 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1399 | return; | |||
| 1400 | } | |||
| 1401 | ||||
| 1402 | } | |||
| 1403 | } | |||
| 1404 | ||||
| 1405 | Boolean XtPending(void) | |||
| 1406 | { | |||
| 1407 | return (XtAppPending(_XtDefaultAppContext()) != 0); | |||
| 1408 | } | |||
| 1409 | ||||
| 1410 | XtInputMask XtAppPending( | |||
| 1411 | XtAppContext app) | |||
| 1412 | { | |||
| 1413 | struct timeval cur_time; | |||
| 1414 | int d; | |||
| 1415 | XtInputMask ret = 0; | |||
| 1416 | ||||
| 1417 | /* | |||
| 1418 | * Check for pending X events | |||
| 1419 | */ | |||
| 1420 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
| 1421 | for (d = 0; d < app->count; d++) { | |||
| 1422 | if (XEventsQueued(app->list[d], QueuedAfterReading1)) { | |||
| 1423 | ret = XtIMXEvent1; | |||
| 1424 | break; | |||
| 1425 | } | |||
| 1426 | } | |||
| 1427 | if (ret == 0) { | |||
| 1428 | for (d = 0; d < app->count; d++) { | |||
| 1429 | if (XEventsQueued(app->list[d], QueuedAfterFlush2)) { | |||
| 1430 | ret = XtIMXEvent1; | |||
| 1431 | break; | |||
| 1432 | } | |||
| 1433 | } | |||
| 1434 | } | |||
| 1435 | ||||
| 1436 | if (app->signalQueue != NULL((void*)0)) { | |||
| 1437 | SignalEventRec *se_ptr = app->signalQueue; | |||
| 1438 | while (se_ptr != NULL((void*)0)) { | |||
| 1439 | if (se_ptr->se_notice) { | |||
| 1440 | ret |= XtIMSignal8; | |||
| 1441 | break; | |||
| 1442 | } | |||
| 1443 | se_ptr = se_ptr->se_next; | |||
| 1444 | } | |||
| 1445 | } | |||
| 1446 | ||||
| 1447 | /* | |||
| 1448 | * Check for pending alternate input | |||
| 1449 | */ | |||
| 1450 | if (app->timerQueue != NULL((void*)0)) { /* check timeout queue */ | |||
| 1451 | X_GETTIMEOFDAY (&cur_time)gettimeofday(&cur_time, (struct timezone*)0); | |||
| 1452 | FIXUP_TIMEVAL(cur_time); | |||
| 1453 | if ((IS_AT_OR_AFTER(app->timerQueue->te_timer_value, cur_time)(((cur_time).tv_sec > (app->timerQueue->te_timer_value ).tv_sec) || (((cur_time).tv_sec == (app->timerQueue->te_timer_value ).tv_sec)&& ((cur_time).tv_usec >= (app->timerQueue ->te_timer_value).tv_usec)))) && | |||
| 1454 | (app->timerQueue->te_proc != NULL((void*)0))) { | |||
| 1455 | ret |= XtIMTimer2; | |||
| 1456 | } | |||
| 1457 | } | |||
| 1458 | ||||
| 1459 | if (app->outstandingQueue != NULL((void*)0)) ret |= XtIMAlternateInput4; | |||
| 1460 | else { | |||
| 1461 | /* This won't cause a wait, but will enqueue any input */ | |||
| 1462 | ||||
| 1463 | if(_XtWaitForSomething (app, | |||
| 1464 | FALSE0, TRUE1, FALSE0, TRUE1, | |||
| 1465 | FALSE0, | |||
| 1466 | #ifdef XTHREADS1 | |||
| 1467 | TRUE1, | |||
| 1468 | #endif | |||
| 1469 | (unsigned long *) NULL((void*)0)) != -1) | |||
| 1470 | ret |= XtIMXEvent1; | |||
| 1471 | if (app->outstandingQueue != NULL((void*)0)) ret |= XtIMAlternateInput4; | |||
| 1472 | } | |||
| 1473 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1474 | return ret; | |||
| 1475 | } | |||
| 1476 | ||||
| 1477 | /* Peek at alternate input and timer callbacks if there are any */ | |||
| 1478 | ||||
| 1479 | static Boolean PeekOtherSources( | |||
| 1480 | XtAppContext app) | |||
| 1481 | { | |||
| 1482 | struct timeval cur_time; | |||
| 1483 | ||||
| 1484 | if (app->outstandingQueue != NULL((void*)0)) return TRUE1; | |||
| 1485 | ||||
| 1486 | if (app->signalQueue != NULL((void*)0)) { | |||
| 1487 | SignalEventRec *se_ptr = app->signalQueue; | |||
| 1488 | while (se_ptr != NULL((void*)0)) { | |||
| 1489 | if (se_ptr->se_notice) | |||
| 1490 | return TRUE1; | |||
| 1491 | se_ptr = se_ptr->se_next; | |||
| 1492 | } | |||
| 1493 | } | |||
| 1494 | ||||
| 1495 | if (app->input_count > 0) { | |||
| 1496 | /* Call _XtWaitForSomething to get input queued up */ | |||
| 1497 | (void) _XtWaitForSomething (app, | |||
| 1498 | TRUE1, TRUE1, FALSE0, TRUE1, | |||
| 1499 | FALSE0, | |||
| 1500 | #ifdef XTHREADS1 | |||
| 1501 | TRUE1, | |||
| 1502 | #endif | |||
| 1503 | (unsigned long *)NULL((void*)0)); | |||
| 1504 | if (app->outstandingQueue != NULL((void*)0)) return TRUE1; | |||
| 1505 | } | |||
| 1506 | ||||
| 1507 | if (app->timerQueue != NULL((void*)0)) { /* check timeout queue */ | |||
| 1508 | X_GETTIMEOFDAY (&cur_time)gettimeofday(&cur_time, (struct timezone*)0); | |||
| 1509 | FIXUP_TIMEVAL(cur_time); | |||
| 1510 | if (IS_AT_OR_AFTER (app->timerQueue->te_timer_value, cur_time)(((cur_time).tv_sec > (app->timerQueue->te_timer_value ).tv_sec) || (((cur_time).tv_sec == (app->timerQueue->te_timer_value ).tv_sec)&& ((cur_time).tv_usec >= (app->timerQueue ->te_timer_value).tv_usec)))) | |||
| 1511 | return TRUE1; | |||
| 1512 | } | |||
| 1513 | ||||
| 1514 | return FALSE0; | |||
| 1515 | } | |||
| 1516 | ||||
| 1517 | Boolean XtPeekEvent( | |||
| 1518 | XEvent *event) | |||
| 1519 | { | |||
| 1520 | return XtAppPeekEvent(_XtDefaultAppContext(), event); | |||
| 1521 | } | |||
| 1522 | ||||
| 1523 | Boolean XtAppPeekEvent_SkipTimer; | |||
| 1524 | ||||
| 1525 | Boolean XtAppPeekEvent( | |||
| 1526 | XtAppContext app, | |||
| 1527 | XEvent *event) | |||
| 1528 | { | |||
| 1529 | int i, d; | |||
| 1530 | Boolean foundCall = FALSE0; | |||
| 1531 | ||||
| 1532 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
| 1533 | for (i = 1; i <= app->count; i++) { | |||
| 1534 | d = (i + app->last) % app->count; | |||
| 1535 | if (d == 0) foundCall = PeekOtherSources(app); | |||
| 1536 | if (XEventsQueued(app->list[d], QueuedAfterReading1)) | |||
| 1537 | goto GotEvent; | |||
| 1538 | } | |||
| 1539 | for (i = 1; i <= app->count; i++) { | |||
| 1540 | d = (i + app->last) % app->count; | |||
| 1541 | if (XEventsQueued(app->list[d], QueuedAfterFlush2)) | |||
| 1542 | goto GotEvent; | |||
| 1543 | } | |||
| 1544 | ||||
| 1545 | if (foundCall) { | |||
| 1546 | event->xany.type = 0; | |||
| 1547 | event->xany.display = NULL((void*)0); | |||
| 1548 | event->xany.window = 0; | |||
| 1549 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1550 | return FALSE0; | |||
| 1551 | } | |||
| 1552 | ||||
| 1553 | while (1) { | |||
| 1554 | d = _XtWaitForSomething (app, | |||
| 1555 | FALSE0, FALSE0, FALSE0, FALSE0, | |||
| 1556 | TRUE1, | |||
| 1557 | #ifdef XTHREADS1 | |||
| 1558 | TRUE1, | |||
| 1559 | #endif | |||
| 1560 | (unsigned long *) NULL((void*)0)); | |||
| 1561 | ||||
| 1562 | if (d != -1) { /* event */ | |||
| 1563 | GotEvent: | |||
| 1564 | XPeekEvent(app->list[d], event); | |||
| 1565 | app->last = (d == 0 ? app->count : d) - 1; | |||
| 1566 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1567 | return TRUE1; | |||
| 1568 | } | |||
| 1569 | else { /* input or timer or signal */ | |||
| 1570 | /* | |||
| 1571 | * Check to see why a -1 was returned, if a timer expired, | |||
| 1572 | * call it and block some more | |||
| 1573 | */ | |||
| 1574 | if ((app->timerQueue != NULL((void*)0)) && ! XtAppPeekEvent_SkipTimer) { /* timer */ | |||
| 1575 | struct timeval cur_time; | |||
| 1576 | Boolint did_timer = False0; | |||
| 1577 | ||||
| 1578 | X_GETTIMEOFDAY (&cur_time)gettimeofday(&cur_time, (struct timezone*)0); | |||
| 1579 | FIXUP_TIMEVAL(cur_time); | |||
| 1580 | while (IS_AT_OR_AFTER(app->timerQueue->te_timer_value, cur_time)(((cur_time).tv_sec > (app->timerQueue->te_timer_value ).tv_sec) || (((cur_time).tv_sec == (app->timerQueue->te_timer_value ).tv_sec)&& ((cur_time).tv_usec >= (app->timerQueue ->te_timer_value).tv_usec)))) { | |||
| 1581 | TimerEventRec *te_ptr = app->timerQueue; | |||
| 1582 | app->timerQueue = app->timerQueue->te_next; | |||
| 1583 | te_ptr->te_next = NULL((void*)0); | |||
| 1584 | if (te_ptr->te_proc != NULL((void*)0)) { | |||
| 1585 | TeCallProc(te_ptr)(*te_ptr->te_proc) (te_ptr->te_closure, (XtIntervalId*) &te_ptr);; | |||
| 1586 | did_timer = True1; | |||
| 1587 | } | |||
| 1588 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
| 1589 | te_ptr->te_next = freeTimerRecs; | |||
| 1590 | freeTimerRecs = te_ptr; | |||
| 1591 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
| 1592 | if (app->timerQueue == NULL((void*)0)) break; | |||
| 1593 | } | |||
| 1594 | if (did_timer) | |||
| 1595 | { | |||
| 1596 | for (d = 0; d < app->count; d++) | |||
| 1597 | /* the timer's procedure may have caused an event */ | |||
| 1598 | if (XEventsQueued(app->list[d], QueuedAfterFlush2)) { | |||
| 1599 | goto GotEvent; | |||
| 1600 | } | |||
| 1601 | continue; /* keep blocking */ | |||
| 1602 | } | |||
| 1603 | } | |||
| 1604 | /* | |||
| 1605 | * spec is vague here; we'll assume signals also return FALSE, | |||
| 1606 | * of course to determine whether a signal is pending requires | |||
| 1607 | * walking the signalQueue looking for se_notice flags which | |||
| 1608 | * this code doesn't do. | |||
| 1609 | */ | |||
| 1610 | #if 0 | |||
| 1611 | if (app->signalQueue != NULL((void*)0)) { /* signal */ | |||
| 1612 | event->xany.type = 0; | |||
| 1613 | event->xany.display = NULL((void*)0); | |||
| 1614 | event->xany.window = 0; | |||
| 1615 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1616 | return FALSE0; | |||
| 1617 | } | |||
| 1618 | else | |||
| 1619 | #endif | |||
| 1620 | { /* input */ | |||
| 1621 | event->xany.type = 0; | |||
| 1622 | event->xany.display = NULL((void*)0); | |||
| 1623 | event->xany.window = 0; | |||
| 1624 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
| 1625 | return FALSE0; | |||
| 1626 | } | |||
| 1627 | } | |||
| 1628 | } /* end while */ | |||
| 1629 | } |