… | |
… | |
202 | #ifndef CLOCK_REALTIME |
202 | #ifndef CLOCK_REALTIME |
203 | # undef EV_USE_REALTIME |
203 | # undef EV_USE_REALTIME |
204 | # define EV_USE_REALTIME 0 |
204 | # define EV_USE_REALTIME 0 |
205 | #endif |
205 | #endif |
206 | |
206 | |
|
|
207 | #if !EV_STAT_ENABLE |
|
|
208 | # undef EV_USE_INOTIFY |
|
|
209 | # define EV_USE_INOTIFY 0 |
|
|
210 | #endif |
|
|
211 | |
|
|
212 | #if EV_USE_INOTIFY |
|
|
213 | # include <sys/inotify.h> |
|
|
214 | #endif |
|
|
215 | |
207 | #if EV_SELECT_IS_WINSOCKET |
216 | #if EV_SELECT_IS_WINSOCKET |
208 | # include <winsock.h> |
217 | # include <winsock.h> |
209 | #endif |
218 | #endif |
210 | |
219 | |
211 | #if !EV_STAT_ENABLE |
|
|
212 | # define EV_USE_INOTIFY 0 |
|
|
213 | #endif |
|
|
214 | |
|
|
215 | #if EV_USE_INOTIFY |
|
|
216 | # include <sys/inotify.h> |
|
|
217 | #endif |
|
|
218 | |
|
|
219 | /**/ |
220 | /**/ |
|
|
221 | |
|
|
222 | /* |
|
|
223 | * This is used to avoid floating point rounding problems. |
|
|
224 | * It is added to ev_rt_now when scheduling periodics |
|
|
225 | * to ensure progress, time-wise, even when rounding |
|
|
226 | * errors are against us. |
|
|
227 | * This value is good at least till the year 4000. |
|
|
228 | * Better solutions welcome. |
|
|
229 | */ |
|
|
230 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
220 | |
231 | |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
232 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
233 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
234 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
224 | |
235 | |
225 | #if __GNUC__ >= 3 |
236 | #if __GNUC__ >= 4 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
237 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
227 | # define noinline __attribute__ ((noinline)) |
238 | # define noinline __attribute__ ((noinline)) |
228 | #else |
239 | #else |
229 | # define expect(expr,value) (expr) |
240 | # define expect(expr,value) (expr) |
230 | # define noinline |
241 | # define noinline |
… | |
… | |
466 | pendings [pri][w_->pending - 1].w = w_; |
477 | pendings [pri][w_->pending - 1].w = w_; |
467 | pendings [pri][w_->pending - 1].events = revents; |
478 | pendings [pri][w_->pending - 1].events = revents; |
468 | } |
479 | } |
469 | } |
480 | } |
470 | |
481 | |
471 | void inline_size |
482 | void inline_speed |
472 | queue_events (EV_P_ W *events, int eventcnt, int type) |
483 | queue_events (EV_P_ W *events, int eventcnt, int type) |
473 | { |
484 | { |
474 | int i; |
485 | int i; |
475 | |
486 | |
476 | for (i = 0; i < eventcnt; ++i) |
487 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
523 | { |
534 | { |
524 | int fd = fdchanges [i]; |
535 | int fd = fdchanges [i]; |
525 | ANFD *anfd = anfds + fd; |
536 | ANFD *anfd = anfds + fd; |
526 | ev_io *w; |
537 | ev_io *w; |
527 | |
538 | |
528 | int events = 0; |
539 | unsigned char events = 0; |
529 | |
540 | |
530 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
541 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
531 | events |= w->events; |
542 | events |= (unsigned char)w->events; |
532 | |
543 | |
533 | #if EV_SELECT_IS_WINSOCKET |
544 | #if EV_SELECT_IS_WINSOCKET |
534 | if (events) |
545 | if (events) |
535 | { |
546 | { |
536 | unsigned long argp; |
547 | unsigned long argp; |
537 | anfd->handle = _get_osfhandle (fd); |
548 | anfd->handle = _get_osfhandle (fd); |
538 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
549 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
539 | } |
550 | } |
540 | #endif |
551 | #endif |
541 | |
552 | |
|
|
553 | { |
|
|
554 | unsigned char o_events = anfd->events; |
|
|
555 | unsigned char o_reify = anfd->reify; |
|
|
556 | |
542 | anfd->reify = 0; |
557 | anfd->reify = 0; |
543 | |
|
|
544 | backend_modify (EV_A_ fd, anfd->events, events); |
|
|
545 | anfd->events = events; |
558 | anfd->events = events; |
|
|
559 | |
|
|
560 | if (o_events != events || o_reify & EV_IOFDSET) |
|
|
561 | backend_modify (EV_A_ fd, o_events, events); |
|
|
562 | } |
546 | } |
563 | } |
547 | |
564 | |
548 | fdchangecnt = 0; |
565 | fdchangecnt = 0; |
549 | } |
566 | } |
550 | |
567 | |
551 | void inline_size |
568 | void inline_size |
552 | fd_change (EV_P_ int fd) |
569 | fd_change (EV_P_ int fd, int flags) |
553 | { |
570 | { |
554 | if (expect_false (anfds [fd].reify)) |
571 | unsigned char reify = anfds [fd].reify; |
555 | return; |
|
|
556 | |
|
|
557 | anfds [fd].reify = 1; |
572 | anfds [fd].reify |= flags; |
558 | |
573 | |
|
|
574 | if (expect_true (!reify)) |
|
|
575 | { |
559 | ++fdchangecnt; |
576 | ++fdchangecnt; |
560 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
577 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
561 | fdchanges [fdchangecnt - 1] = fd; |
578 | fdchanges [fdchangecnt - 1] = fd; |
|
|
579 | } |
562 | } |
580 | } |
563 | |
581 | |
564 | void inline_speed |
582 | void inline_speed |
565 | fd_kill (EV_P_ int fd) |
583 | fd_kill (EV_P_ int fd) |
566 | { |
584 | { |
… | |
… | |
617 | |
635 | |
618 | for (fd = 0; fd < anfdmax; ++fd) |
636 | for (fd = 0; fd < anfdmax; ++fd) |
619 | if (anfds [fd].events) |
637 | if (anfds [fd].events) |
620 | { |
638 | { |
621 | anfds [fd].events = 0; |
639 | anfds [fd].events = 0; |
622 | fd_change (EV_A_ fd); |
640 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
623 | } |
641 | } |
624 | } |
642 | } |
625 | |
643 | |
626 | /*****************************************************************************/ |
644 | /*****************************************************************************/ |
627 | |
645 | |
628 | void inline_speed |
646 | void inline_speed |
629 | upheap (WT *heap, int k) |
647 | upheap (WT *heap, int k) |
630 | { |
648 | { |
631 | WT w = heap [k]; |
649 | WT w = heap [k]; |
632 | |
650 | |
633 | while (k && heap [k >> 1]->at > w->at) |
651 | while (k) |
634 | { |
652 | { |
|
|
653 | int p = (k - 1) >> 1; |
|
|
654 | |
|
|
655 | if (heap [p]->at <= w->at) |
|
|
656 | break; |
|
|
657 | |
635 | heap [k] = heap [k >> 1]; |
658 | heap [k] = heap [p]; |
636 | ((W)heap [k])->active = k + 1; |
659 | ((W)heap [k])->active = k + 1; |
637 | k >>= 1; |
660 | k = p; |
638 | } |
661 | } |
639 | |
662 | |
640 | heap [k] = w; |
663 | heap [k] = w; |
641 | ((W)heap [k])->active = k + 1; |
664 | ((W)heap [k])->active = k + 1; |
642 | |
|
|
643 | } |
665 | } |
644 | |
666 | |
645 | void inline_speed |
667 | void inline_speed |
646 | downheap (WT *heap, int N, int k) |
668 | downheap (WT *heap, int N, int k) |
647 | { |
669 | { |
648 | WT w = heap [k]; |
670 | WT w = heap [k]; |
649 | |
671 | |
650 | while (k < (N >> 1)) |
672 | for (;;) |
651 | { |
673 | { |
652 | int j = k << 1; |
674 | int c = (k << 1) + 1; |
653 | |
675 | |
654 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
676 | if (c >= N) |
655 | ++j; |
|
|
656 | |
|
|
657 | if (w->at <= heap [j]->at) |
|
|
658 | break; |
677 | break; |
659 | |
678 | |
|
|
679 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
680 | ? 1 : 0; |
|
|
681 | |
|
|
682 | if (w->at <= heap [c]->at) |
|
|
683 | break; |
|
|
684 | |
660 | heap [k] = heap [j]; |
685 | heap [k] = heap [c]; |
661 | ((W)heap [k])->active = k + 1; |
686 | ((W)heap [k])->active = k + 1; |
|
|
687 | |
662 | k = j; |
688 | k = c; |
663 | } |
689 | } |
664 | |
690 | |
665 | heap [k] = w; |
691 | heap [k] = w; |
666 | ((W)heap [k])->active = k + 1; |
692 | ((W)heap [k])->active = k + 1; |
667 | } |
693 | } |
… | |
… | |
774 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
800 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
775 | } |
801 | } |
776 | |
802 | |
777 | /*****************************************************************************/ |
803 | /*****************************************************************************/ |
778 | |
804 | |
779 | static ev_child *childs [EV_PID_HASHSIZE]; |
805 | static WL childs [EV_PID_HASHSIZE]; |
780 | |
806 | |
781 | #ifndef _WIN32 |
807 | #ifndef _WIN32 |
782 | |
808 | |
783 | static ev_signal childev; |
809 | static ev_signal childev; |
784 | |
810 | |
… | |
… | |
1012 | #if EV_IDLE_ENABLE |
1038 | #if EV_IDLE_ENABLE |
1013 | array_free (idle, [i]); |
1039 | array_free (idle, [i]); |
1014 | #endif |
1040 | #endif |
1015 | } |
1041 | } |
1016 | |
1042 | |
|
|
1043 | ev_free (anfds); anfdmax = 0; |
|
|
1044 | |
1017 | /* have to use the microsoft-never-gets-it-right macro */ |
1045 | /* have to use the microsoft-never-gets-it-right macro */ |
1018 | array_free (fdchange, EMPTY); |
1046 | array_free (fdchange, EMPTY); |
1019 | array_free (timer, EMPTY); |
1047 | array_free (timer, EMPTY); |
1020 | #if EV_PERIODIC_ENABLE |
1048 | #if EV_PERIODIC_ENABLE |
1021 | array_free (periodic, EMPTY); |
1049 | array_free (periodic, EMPTY); |
|
|
1050 | #endif |
|
|
1051 | #if EV_FORK_ENABLE |
|
|
1052 | array_free (fork, EMPTY); |
1022 | #endif |
1053 | #endif |
1023 | array_free (prepare, EMPTY); |
1054 | array_free (prepare, EMPTY); |
1024 | array_free (check, EMPTY); |
1055 | array_free (check, EMPTY); |
1025 | |
1056 | |
1026 | backend = 0; |
1057 | backend = 0; |
… | |
… | |
1196 | void inline_size |
1227 | void inline_size |
1197 | timers_reify (EV_P) |
1228 | timers_reify (EV_P) |
1198 | { |
1229 | { |
1199 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1230 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1200 | { |
1231 | { |
1201 | ev_timer *w = timers [0]; |
1232 | ev_timer *w = (ev_timer *)timers [0]; |
1202 | |
1233 | |
1203 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1234 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1204 | |
1235 | |
1205 | /* first reschedule or stop timer */ |
1236 | /* first reschedule or stop timer */ |
1206 | if (w->repeat) |
1237 | if (w->repeat) |
… | |
… | |
1209 | |
1240 | |
1210 | ((WT)w)->at += w->repeat; |
1241 | ((WT)w)->at += w->repeat; |
1211 | if (((WT)w)->at < mn_now) |
1242 | if (((WT)w)->at < mn_now) |
1212 | ((WT)w)->at = mn_now; |
1243 | ((WT)w)->at = mn_now; |
1213 | |
1244 | |
1214 | downheap ((WT *)timers, timercnt, 0); |
1245 | downheap (timers, timercnt, 0); |
1215 | } |
1246 | } |
1216 | else |
1247 | else |
1217 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1248 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1218 | |
1249 | |
1219 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1250 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1224 | void inline_size |
1255 | void inline_size |
1225 | periodics_reify (EV_P) |
1256 | periodics_reify (EV_P) |
1226 | { |
1257 | { |
1227 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1258 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1228 | { |
1259 | { |
1229 | ev_periodic *w = periodics [0]; |
1260 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1230 | |
1261 | |
1231 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1262 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1232 | |
1263 | |
1233 | /* first reschedule or stop timer */ |
1264 | /* first reschedule or stop timer */ |
1234 | if (w->reschedule_cb) |
1265 | if (w->reschedule_cb) |
1235 | { |
1266 | { |
1236 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1267 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1237 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1268 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1238 | downheap ((WT *)periodics, periodiccnt, 0); |
1269 | downheap (periodics, periodiccnt, 0); |
1239 | } |
1270 | } |
1240 | else if (w->interval) |
1271 | else if (w->interval) |
1241 | { |
1272 | { |
1242 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1273 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1274 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1243 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1275 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1244 | downheap ((WT *)periodics, periodiccnt, 0); |
1276 | downheap (periodics, periodiccnt, 0); |
1245 | } |
1277 | } |
1246 | else |
1278 | else |
1247 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1279 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1248 | |
1280 | |
1249 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1281 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1256 | int i; |
1288 | int i; |
1257 | |
1289 | |
1258 | /* adjust periodics after time jump */ |
1290 | /* adjust periodics after time jump */ |
1259 | for (i = 0; i < periodiccnt; ++i) |
1291 | for (i = 0; i < periodiccnt; ++i) |
1260 | { |
1292 | { |
1261 | ev_periodic *w = periodics [i]; |
1293 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1262 | |
1294 | |
1263 | if (w->reschedule_cb) |
1295 | if (w->reschedule_cb) |
1264 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1296 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1265 | else if (w->interval) |
1297 | else if (w->interval) |
1266 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1298 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1267 | } |
1299 | } |
1268 | |
1300 | |
1269 | /* now rebuild the heap */ |
1301 | /* now rebuild the heap */ |
1270 | for (i = periodiccnt >> 1; i--; ) |
1302 | for (i = periodiccnt >> 1; i--; ) |
1271 | downheap ((WT *)periodics, periodiccnt, i); |
1303 | downheap (periodics, periodiccnt, i); |
1272 | } |
1304 | } |
1273 | #endif |
1305 | #endif |
1274 | |
1306 | |
1275 | #if EV_IDLE_ENABLE |
1307 | #if EV_IDLE_ENABLE |
1276 | void inline_size |
1308 | void inline_size |
… | |
… | |
1293 | } |
1325 | } |
1294 | } |
1326 | } |
1295 | } |
1327 | } |
1296 | #endif |
1328 | #endif |
1297 | |
1329 | |
1298 | int inline_size |
1330 | void inline_speed |
1299 | time_update_monotonic (EV_P) |
1331 | time_update (EV_P_ ev_tstamp max_block) |
1300 | { |
1332 | { |
|
|
1333 | int i; |
|
|
1334 | |
|
|
1335 | #if EV_USE_MONOTONIC |
|
|
1336 | if (expect_true (have_monotonic)) |
|
|
1337 | { |
|
|
1338 | ev_tstamp odiff = rtmn_diff; |
|
|
1339 | |
1301 | mn_now = get_clock (); |
1340 | mn_now = get_clock (); |
1302 | |
1341 | |
|
|
1342 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1343 | /* interpolate in the meantime */ |
1303 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1344 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1304 | { |
1345 | { |
1305 | ev_rt_now = rtmn_diff + mn_now; |
1346 | ev_rt_now = rtmn_diff + mn_now; |
1306 | return 0; |
1347 | return; |
1307 | } |
1348 | } |
1308 | else |
1349 | |
1309 | { |
|
|
1310 | now_floor = mn_now; |
1350 | now_floor = mn_now; |
1311 | ev_rt_now = ev_time (); |
1351 | ev_rt_now = ev_time (); |
1312 | return 1; |
|
|
1313 | } |
|
|
1314 | } |
|
|
1315 | |
1352 | |
1316 | void inline_size |
1353 | /* loop a few times, before making important decisions. |
1317 | time_update (EV_P) |
1354 | * on the choice of "4": one iteration isn't enough, |
1318 | { |
1355 | * in case we get preempted during the calls to |
1319 | int i; |
1356 | * ev_time and get_clock. a second call is almost guaranteed |
1320 | |
1357 | * to succeed in that case, though. and looping a few more times |
1321 | #if EV_USE_MONOTONIC |
1358 | * doesn't hurt either as we only do this on time-jumps or |
1322 | if (expect_true (have_monotonic)) |
1359 | * in the unlikely event of having been preempted here. |
1323 | { |
1360 | */ |
1324 | if (time_update_monotonic (EV_A)) |
1361 | for (i = 4; --i; ) |
1325 | { |
1362 | { |
1326 | ev_tstamp odiff = rtmn_diff; |
|
|
1327 | |
|
|
1328 | /* loop a few times, before making important decisions. |
|
|
1329 | * on the choice of "4": one iteration isn't enough, |
|
|
1330 | * in case we get preempted during the calls to |
|
|
1331 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1332 | * to succeed in that case, though. and looping a few more times |
|
|
1333 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1334 | * in the unlikely event of having been preempted here. |
|
|
1335 | */ |
|
|
1336 | for (i = 4; --i; ) |
|
|
1337 | { |
|
|
1338 | rtmn_diff = ev_rt_now - mn_now; |
1363 | rtmn_diff = ev_rt_now - mn_now; |
1339 | |
1364 | |
1340 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1365 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1341 | return; /* all is well */ |
1366 | return; /* all is well */ |
1342 | |
1367 | |
1343 | ev_rt_now = ev_time (); |
1368 | ev_rt_now = ev_time (); |
1344 | mn_now = get_clock (); |
1369 | mn_now = get_clock (); |
1345 | now_floor = mn_now; |
1370 | now_floor = mn_now; |
1346 | } |
1371 | } |
1347 | |
1372 | |
1348 | # if EV_PERIODIC_ENABLE |
1373 | # if EV_PERIODIC_ENABLE |
1349 | periodics_reschedule (EV_A); |
1374 | periodics_reschedule (EV_A); |
1350 | # endif |
1375 | # endif |
1351 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1376 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1352 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1377 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1353 | } |
|
|
1354 | } |
1378 | } |
1355 | else |
1379 | else |
1356 | #endif |
1380 | #endif |
1357 | { |
1381 | { |
1358 | ev_rt_now = ev_time (); |
1382 | ev_rt_now = ev_time (); |
1359 | |
1383 | |
1360 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1384 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1361 | { |
1385 | { |
1362 | #if EV_PERIODIC_ENABLE |
1386 | #if EV_PERIODIC_ENABLE |
1363 | periodics_reschedule (EV_A); |
1387 | periodics_reschedule (EV_A); |
1364 | #endif |
1388 | #endif |
1365 | |
|
|
1366 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1389 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1367 | for (i = 0; i < timercnt; ++i) |
1390 | for (i = 0; i < timercnt; ++i) |
1368 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1391 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1369 | } |
1392 | } |
1370 | |
1393 | |
… | |
… | |
1440 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1463 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1441 | block = 0.; /* do not block at all */ |
1464 | block = 0.; /* do not block at all */ |
1442 | else |
1465 | else |
1443 | { |
1466 | { |
1444 | /* update time to cancel out callback processing overhead */ |
1467 | /* update time to cancel out callback processing overhead */ |
1445 | #if EV_USE_MONOTONIC |
|
|
1446 | if (expect_true (have_monotonic)) |
|
|
1447 | time_update_monotonic (EV_A); |
1468 | time_update (EV_A_ 1e100); |
1448 | else |
|
|
1449 | #endif |
|
|
1450 | { |
|
|
1451 | ev_rt_now = ev_time (); |
|
|
1452 | mn_now = ev_rt_now; |
|
|
1453 | } |
|
|
1454 | |
1469 | |
1455 | block = MAX_BLOCKTIME; |
1470 | block = MAX_BLOCKTIME; |
1456 | |
1471 | |
1457 | if (timercnt) |
1472 | if (timercnt) |
1458 | { |
1473 | { |
… | |
… | |
1471 | if (expect_false (block < 0.)) block = 0.; |
1486 | if (expect_false (block < 0.)) block = 0.; |
1472 | } |
1487 | } |
1473 | |
1488 | |
1474 | ++loop_count; |
1489 | ++loop_count; |
1475 | backend_poll (EV_A_ block); |
1490 | backend_poll (EV_A_ block); |
|
|
1491 | |
|
|
1492 | /* update ev_rt_now, do magic */ |
|
|
1493 | time_update (EV_A_ block); |
1476 | } |
1494 | } |
1477 | |
|
|
1478 | /* update ev_rt_now, do magic */ |
|
|
1479 | time_update (EV_A); |
|
|
1480 | |
1495 | |
1481 | /* queue pending timers and reschedule them */ |
1496 | /* queue pending timers and reschedule them */ |
1482 | timers_reify (EV_A); /* relative timers called last */ |
1497 | timers_reify (EV_A); /* relative timers called last */ |
1483 | #if EV_PERIODIC_ENABLE |
1498 | #if EV_PERIODIC_ENABLE |
1484 | periodics_reify (EV_A); /* absolute timers called first */ |
1499 | periodics_reify (EV_A); /* absolute timers called first */ |
… | |
… | |
1546 | ev_clear_pending (EV_P_ void *w) |
1561 | ev_clear_pending (EV_P_ void *w) |
1547 | { |
1562 | { |
1548 | W w_ = (W)w; |
1563 | W w_ = (W)w; |
1549 | int pending = w_->pending; |
1564 | int pending = w_->pending; |
1550 | |
1565 | |
1551 | if (!pending) |
1566 | if (expect_true (pending)) |
|
|
1567 | { |
|
|
1568 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1569 | w_->pending = 0; |
|
|
1570 | p->w = 0; |
|
|
1571 | return p->events; |
|
|
1572 | } |
|
|
1573 | else |
1552 | return 0; |
1574 | return 0; |
1553 | |
|
|
1554 | w_->pending = 0; |
|
|
1555 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1556 | p->w = 0; |
|
|
1557 | |
|
|
1558 | return p->events; |
|
|
1559 | } |
1575 | } |
1560 | |
1576 | |
1561 | void inline_size |
1577 | void inline_size |
1562 | pri_adjust (EV_P_ W w) |
1578 | pri_adjust (EV_P_ W w) |
1563 | { |
1579 | { |
… | |
… | |
1594 | |
1610 | |
1595 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1611 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1596 | |
1612 | |
1597 | ev_start (EV_A_ (W)w, 1); |
1613 | ev_start (EV_A_ (W)w, 1); |
1598 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1614 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1599 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1615 | wlist_add (&anfds[fd].head, (WL)w); |
1600 | |
1616 | |
1601 | fd_change (EV_A_ fd); |
1617 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1618 | w->events &= ~EV_IOFDSET; |
1602 | } |
1619 | } |
1603 | |
1620 | |
1604 | void noinline |
1621 | void noinline |
1605 | ev_io_stop (EV_P_ ev_io *w) |
1622 | ev_io_stop (EV_P_ ev_io *w) |
1606 | { |
1623 | { |
… | |
… | |
1608 | if (expect_false (!ev_is_active (w))) |
1625 | if (expect_false (!ev_is_active (w))) |
1609 | return; |
1626 | return; |
1610 | |
1627 | |
1611 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1628 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1612 | |
1629 | |
1613 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1630 | wlist_del (&anfds[w->fd].head, (WL)w); |
1614 | ev_stop (EV_A_ (W)w); |
1631 | ev_stop (EV_A_ (W)w); |
1615 | |
1632 | |
1616 | fd_change (EV_A_ w->fd); |
1633 | fd_change (EV_A_ w->fd, 1); |
1617 | } |
1634 | } |
1618 | |
1635 | |
1619 | void noinline |
1636 | void noinline |
1620 | ev_timer_start (EV_P_ ev_timer *w) |
1637 | ev_timer_start (EV_P_ ev_timer *w) |
1621 | { |
1638 | { |
… | |
… | |
1625 | ((WT)w)->at += mn_now; |
1642 | ((WT)w)->at += mn_now; |
1626 | |
1643 | |
1627 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1644 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1628 | |
1645 | |
1629 | ev_start (EV_A_ (W)w, ++timercnt); |
1646 | ev_start (EV_A_ (W)w, ++timercnt); |
1630 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1647 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1631 | timers [timercnt - 1] = w; |
1648 | timers [timercnt - 1] = (WT)w; |
1632 | upheap ((WT *)timers, timercnt - 1); |
1649 | upheap (timers, timercnt - 1); |
1633 | |
1650 | |
1634 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1651 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1635 | } |
1652 | } |
1636 | |
1653 | |
1637 | void noinline |
1654 | void noinline |
… | |
… | |
1639 | { |
1656 | { |
1640 | clear_pending (EV_A_ (W)w); |
1657 | clear_pending (EV_A_ (W)w); |
1641 | if (expect_false (!ev_is_active (w))) |
1658 | if (expect_false (!ev_is_active (w))) |
1642 | return; |
1659 | return; |
1643 | |
1660 | |
1644 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1661 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1645 | |
1662 | |
1646 | { |
1663 | { |
1647 | int active = ((W)w)->active; |
1664 | int active = ((W)w)->active; |
1648 | |
1665 | |
1649 | if (expect_true (--active < --timercnt)) |
1666 | if (expect_true (--active < --timercnt)) |
1650 | { |
1667 | { |
1651 | timers [active] = timers [timercnt]; |
1668 | timers [active] = timers [timercnt]; |
1652 | adjustheap ((WT *)timers, timercnt, active); |
1669 | adjustheap (timers, timercnt, active); |
1653 | } |
1670 | } |
1654 | } |
1671 | } |
1655 | |
1672 | |
1656 | ((WT)w)->at -= mn_now; |
1673 | ((WT)w)->at -= mn_now; |
1657 | |
1674 | |
… | |
… | |
1664 | if (ev_is_active (w)) |
1681 | if (ev_is_active (w)) |
1665 | { |
1682 | { |
1666 | if (w->repeat) |
1683 | if (w->repeat) |
1667 | { |
1684 | { |
1668 | ((WT)w)->at = mn_now + w->repeat; |
1685 | ((WT)w)->at = mn_now + w->repeat; |
1669 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1686 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1670 | } |
1687 | } |
1671 | else |
1688 | else |
1672 | ev_timer_stop (EV_A_ w); |
1689 | ev_timer_stop (EV_A_ w); |
1673 | } |
1690 | } |
1674 | else if (w->repeat) |
1691 | else if (w->repeat) |
… | |
… | |
1689 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1706 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1690 | else if (w->interval) |
1707 | else if (w->interval) |
1691 | { |
1708 | { |
1692 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1709 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1693 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1710 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1694 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1711 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1695 | } |
1712 | } |
|
|
1713 | else |
|
|
1714 | ((WT)w)->at = w->offset; |
1696 | |
1715 | |
1697 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1716 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1698 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1717 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1699 | periodics [periodiccnt - 1] = w; |
1718 | periodics [periodiccnt - 1] = (WT)w; |
1700 | upheap ((WT *)periodics, periodiccnt - 1); |
1719 | upheap (periodics, periodiccnt - 1); |
1701 | |
1720 | |
1702 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1721 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1703 | } |
1722 | } |
1704 | |
1723 | |
1705 | void noinline |
1724 | void noinline |
… | |
… | |
1707 | { |
1726 | { |
1708 | clear_pending (EV_A_ (W)w); |
1727 | clear_pending (EV_A_ (W)w); |
1709 | if (expect_false (!ev_is_active (w))) |
1728 | if (expect_false (!ev_is_active (w))) |
1710 | return; |
1729 | return; |
1711 | |
1730 | |
1712 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1731 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1713 | |
1732 | |
1714 | { |
1733 | { |
1715 | int active = ((W)w)->active; |
1734 | int active = ((W)w)->active; |
1716 | |
1735 | |
1717 | if (expect_true (--active < --periodiccnt)) |
1736 | if (expect_true (--active < --periodiccnt)) |
1718 | { |
1737 | { |
1719 | periodics [active] = periodics [periodiccnt]; |
1738 | periodics [active] = periodics [periodiccnt]; |
1720 | adjustheap ((WT *)periodics, periodiccnt, active); |
1739 | adjustheap (periodics, periodiccnt, active); |
1721 | } |
1740 | } |
1722 | } |
1741 | } |
1723 | |
1742 | |
1724 | ev_stop (EV_A_ (W)w); |
1743 | ev_stop (EV_A_ (W)w); |
1725 | } |
1744 | } |
… | |
… | |
1746 | if (expect_false (ev_is_active (w))) |
1765 | if (expect_false (ev_is_active (w))) |
1747 | return; |
1766 | return; |
1748 | |
1767 | |
1749 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1768 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1750 | |
1769 | |
|
|
1770 | { |
|
|
1771 | #ifndef _WIN32 |
|
|
1772 | sigset_t full, prev; |
|
|
1773 | sigfillset (&full); |
|
|
1774 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1775 | #endif |
|
|
1776 | |
|
|
1777 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1778 | |
|
|
1779 | #ifndef _WIN32 |
|
|
1780 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1781 | #endif |
|
|
1782 | } |
|
|
1783 | |
1751 | ev_start (EV_A_ (W)w, 1); |
1784 | ev_start (EV_A_ (W)w, 1); |
1752 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1753 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1785 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1754 | |
1786 | |
1755 | if (!((WL)w)->next) |
1787 | if (!((WL)w)->next) |
1756 | { |
1788 | { |
1757 | #if _WIN32 |
1789 | #if _WIN32 |
1758 | signal (w->signum, sighandler); |
1790 | signal (w->signum, sighandler); |
… | |
… | |
1771 | { |
1803 | { |
1772 | clear_pending (EV_A_ (W)w); |
1804 | clear_pending (EV_A_ (W)w); |
1773 | if (expect_false (!ev_is_active (w))) |
1805 | if (expect_false (!ev_is_active (w))) |
1774 | return; |
1806 | return; |
1775 | |
1807 | |
1776 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1808 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1777 | ev_stop (EV_A_ (W)w); |
1809 | ev_stop (EV_A_ (W)w); |
1778 | |
1810 | |
1779 | if (!signals [w->signum - 1].head) |
1811 | if (!signals [w->signum - 1].head) |
1780 | signal (w->signum, SIG_DFL); |
1812 | signal (w->signum, SIG_DFL); |
1781 | } |
1813 | } |
… | |
… | |
1788 | #endif |
1820 | #endif |
1789 | if (expect_false (ev_is_active (w))) |
1821 | if (expect_false (ev_is_active (w))) |
1790 | return; |
1822 | return; |
1791 | |
1823 | |
1792 | ev_start (EV_A_ (W)w, 1); |
1824 | ev_start (EV_A_ (W)w, 1); |
1793 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1825 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1794 | } |
1826 | } |
1795 | |
1827 | |
1796 | void |
1828 | void |
1797 | ev_child_stop (EV_P_ ev_child *w) |
1829 | ev_child_stop (EV_P_ ev_child *w) |
1798 | { |
1830 | { |
1799 | clear_pending (EV_A_ (W)w); |
1831 | clear_pending (EV_A_ (W)w); |
1800 | if (expect_false (!ev_is_active (w))) |
1832 | if (expect_false (!ev_is_active (w))) |
1801 | return; |
1833 | return; |
1802 | |
1834 | |
1803 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1835 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1804 | ev_stop (EV_A_ (W)w); |
1836 | ev_stop (EV_A_ (W)w); |
1805 | } |
1837 | } |
1806 | |
1838 | |
1807 | #if EV_STAT_ENABLE |
1839 | #if EV_STAT_ENABLE |
1808 | |
1840 | |
… | |
… | |
2150 | |
2182 | |
2151 | #if EV_EMBED_ENABLE |
2183 | #if EV_EMBED_ENABLE |
2152 | void noinline |
2184 | void noinline |
2153 | ev_embed_sweep (EV_P_ ev_embed *w) |
2185 | ev_embed_sweep (EV_P_ ev_embed *w) |
2154 | { |
2186 | { |
2155 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2187 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2156 | } |
2188 | } |
2157 | |
2189 | |
2158 | static void |
2190 | static void |
2159 | embed_cb (EV_P_ ev_io *io, int revents) |
2191 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2160 | { |
2192 | { |
2161 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2193 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2162 | |
2194 | |
2163 | if (ev_cb (w)) |
2195 | if (ev_cb (w)) |
2164 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2196 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2165 | else |
2197 | else |
2166 | ev_embed_sweep (loop, w); |
2198 | ev_embed_sweep (loop, w); |
2167 | } |
2199 | } |
2168 | |
2200 | |
|
|
2201 | static void |
|
|
2202 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2203 | { |
|
|
2204 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2205 | |
|
|
2206 | fd_reify (w->other); |
|
|
2207 | } |
|
|
2208 | |
2169 | void |
2209 | void |
2170 | ev_embed_start (EV_P_ ev_embed *w) |
2210 | ev_embed_start (EV_P_ ev_embed *w) |
2171 | { |
2211 | { |
2172 | if (expect_false (ev_is_active (w))) |
2212 | if (expect_false (ev_is_active (w))) |
2173 | return; |
2213 | return; |
2174 | |
2214 | |
2175 | { |
2215 | { |
2176 | struct ev_loop *loop = w->loop; |
2216 | struct ev_loop *loop = w->other; |
2177 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2217 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2178 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2218 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_WRITE); |
2179 | } |
2219 | } |
2180 | |
2220 | |
2181 | ev_set_priority (&w->io, ev_priority (w)); |
2221 | ev_set_priority (&w->io, ev_priority (w)); |
2182 | ev_io_start (EV_A_ &w->io); |
2222 | ev_io_start (EV_A_ &w->io); |
2183 | |
2223 | |
|
|
2224 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2225 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2226 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2227 | |
2184 | ev_start (EV_A_ (W)w, 1); |
2228 | ev_start (EV_A_ (W)w, 1); |
2185 | } |
2229 | } |
2186 | |
2230 | |
2187 | void |
2231 | void |
2188 | ev_embed_stop (EV_P_ ev_embed *w) |
2232 | ev_embed_stop (EV_P_ ev_embed *w) |
… | |
… | |
2190 | clear_pending (EV_A_ (W)w); |
2234 | clear_pending (EV_A_ (W)w); |
2191 | if (expect_false (!ev_is_active (w))) |
2235 | if (expect_false (!ev_is_active (w))) |
2192 | return; |
2236 | return; |
2193 | |
2237 | |
2194 | ev_io_stop (EV_A_ &w->io); |
2238 | ev_io_stop (EV_A_ &w->io); |
|
|
2239 | ev_prepare_stop (EV_A_ &w->prepare); |
2195 | |
2240 | |
2196 | ev_stop (EV_A_ (W)w); |
2241 | ev_stop (EV_A_ (W)w); |
2197 | } |
2242 | } |
2198 | #endif |
2243 | #endif |
2199 | |
2244 | |
… | |
… | |
2288 | ev_timer_set (&once->to, timeout, 0.); |
2333 | ev_timer_set (&once->to, timeout, 0.); |
2289 | ev_timer_start (EV_A_ &once->to); |
2334 | ev_timer_start (EV_A_ &once->to); |
2290 | } |
2335 | } |
2291 | } |
2336 | } |
2292 | |
2337 | |
|
|
2338 | #if EV_MULTIPLICITY |
|
|
2339 | #include "ev_wrap.h" |
|
|
2340 | #endif |
|
|
2341 | |
2293 | #ifdef __cplusplus |
2342 | #ifdef __cplusplus |
2294 | } |
2343 | } |
2295 | #endif |
2344 | #endif |
2296 | |
2345 | |