… | |
… | |
216 | # include <sys/inotify.h> |
216 | # include <sys/inotify.h> |
217 | #endif |
217 | #endif |
218 | |
218 | |
219 | /**/ |
219 | /**/ |
220 | |
220 | |
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|
221 | /* |
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222 | * This is used to avoid floating point rounding problems. |
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223 | * It is added to ev_rt_now when scheduling periodics |
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224 | * to ensure progress, time-wise, even when rounding |
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225 | * errors are against us. |
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226 | * This value is good at least till the year 4000. |
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227 | * Better solutions welcome. |
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228 | */ |
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229 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
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|
230 | |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
231 | #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) */ |
232 | #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 */ |
233 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
224 | |
234 | |
225 | #if __GNUC__ >= 3 |
235 | #if __GNUC__ >= 3 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
236 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
227 | # define inline_size static inline /* inline for codesize */ |
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228 | # if EV_MINIMAL |
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229 | # define noinline __attribute__ ((noinline)) |
237 | # define noinline __attribute__ ((noinline)) |
230 | # define inline_speed static noinline |
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231 | # else |
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232 | # define noinline |
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233 | # define inline_speed static inline |
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234 | # endif |
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235 | #else |
238 | #else |
236 | # define expect(expr,value) (expr) |
239 | # define expect(expr,value) (expr) |
237 | # define inline_speed static |
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238 | # define inline_size static |
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|
239 | # define noinline |
240 | # define noinline |
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|
241 | # if __STDC_VERSION__ < 199901L |
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|
242 | # define inline |
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|
243 | # endif |
240 | #endif |
244 | #endif |
241 | |
245 | |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
246 | #define expect_false(expr) expect ((expr) != 0, 0) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
247 | #define expect_true(expr) expect ((expr) != 0, 1) |
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248 | #define inline_size static inline |
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249 | |
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250 | #if EV_MINIMAL |
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251 | # define inline_speed static noinline |
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252 | #else |
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253 | # define inline_speed static inline |
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254 | #endif |
244 | |
255 | |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
256 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
257 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
247 | |
258 | |
248 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
259 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
… | |
… | |
417 | } |
428 | } |
418 | |
429 | |
419 | return ncur; |
430 | return ncur; |
420 | } |
431 | } |
421 | |
432 | |
422 | inline_speed void * |
433 | static noinline void * |
423 | array_realloc (int elem, void *base, int *cur, int cnt) |
434 | array_realloc (int elem, void *base, int *cur, int cnt) |
424 | { |
435 | { |
425 | *cur = array_nextsize (elem, *cur, cnt); |
436 | *cur = array_nextsize (elem, *cur, cnt); |
426 | return ev_realloc (base, elem * *cur); |
437 | return ev_realloc (base, elem * *cur); |
427 | } |
438 | } |
… | |
… | |
452 | |
463 | |
453 | void noinline |
464 | void noinline |
454 | ev_feed_event (EV_P_ void *w, int revents) |
465 | ev_feed_event (EV_P_ void *w, int revents) |
455 | { |
466 | { |
456 | W w_ = (W)w; |
467 | W w_ = (W)w; |
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|
468 | int pri = ABSPRI (w_); |
457 | |
469 | |
458 | if (expect_false (w_->pending)) |
470 | if (expect_false (w_->pending)) |
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471 | pendings [pri][w_->pending - 1].events |= revents; |
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472 | else |
459 | { |
473 | { |
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474 | w_->pending = ++pendingcnt [pri]; |
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475 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
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476 | pendings [pri][w_->pending - 1].w = w_; |
460 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
477 | pendings [pri][w_->pending - 1].events = revents; |
461 | return; |
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|
462 | } |
478 | } |
463 | |
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|
464 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
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|
465 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
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|
466 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
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467 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
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468 | } |
479 | } |
469 | |
480 | |
470 | void inline_size |
481 | void inline_speed |
471 | queue_events (EV_P_ W *events, int eventcnt, int type) |
482 | queue_events (EV_P_ W *events, int eventcnt, int type) |
472 | { |
483 | { |
473 | int i; |
484 | int i; |
474 | |
485 | |
475 | for (i = 0; i < eventcnt; ++i) |
486 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
507 | } |
518 | } |
508 | |
519 | |
509 | void |
520 | void |
510 | ev_feed_fd_event (EV_P_ int fd, int revents) |
521 | ev_feed_fd_event (EV_P_ int fd, int revents) |
511 | { |
522 | { |
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|
523 | if (fd >= 0 && fd < anfdmax) |
512 | fd_event (EV_A_ fd, revents); |
524 | fd_event (EV_A_ fd, revents); |
513 | } |
525 | } |
514 | |
526 | |
515 | void inline_size |
527 | void inline_size |
516 | fd_reify (EV_P) |
528 | fd_reify (EV_P) |
517 | { |
529 | { |
… | |
… | |
545 | |
557 | |
546 | fdchangecnt = 0; |
558 | fdchangecnt = 0; |
547 | } |
559 | } |
548 | |
560 | |
549 | void inline_size |
561 | void inline_size |
550 | fd_change (EV_P_ int fd) |
562 | fd_change (EV_P_ int fd, int flags) |
551 | { |
563 | { |
552 | if (expect_false (anfds [fd].reify)) |
564 | unsigned char reify = anfds [fd].reify; |
553 | return; |
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|
554 | |
|
|
555 | anfds [fd].reify = 1; |
565 | anfds [fd].reify |= flags | 1; |
556 | |
566 | |
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|
567 | if (expect_true (!reify)) |
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|
568 | { |
557 | ++fdchangecnt; |
569 | ++fdchangecnt; |
558 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
570 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
559 | fdchanges [fdchangecnt - 1] = fd; |
571 | fdchanges [fdchangecnt - 1] = fd; |
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|
572 | } |
560 | } |
573 | } |
561 | |
574 | |
562 | void inline_speed |
575 | void inline_speed |
563 | fd_kill (EV_P_ int fd) |
576 | fd_kill (EV_P_ int fd) |
564 | { |
577 | { |
… | |
… | |
615 | |
628 | |
616 | for (fd = 0; fd < anfdmax; ++fd) |
629 | for (fd = 0; fd < anfdmax; ++fd) |
617 | if (anfds [fd].events) |
630 | if (anfds [fd].events) |
618 | { |
631 | { |
619 | anfds [fd].events = 0; |
632 | anfds [fd].events = 0; |
620 | fd_change (EV_A_ fd); |
633 | fd_change (EV_A_ fd, EV_IOFDSET); |
621 | } |
634 | } |
622 | } |
635 | } |
623 | |
636 | |
624 | /*****************************************************************************/ |
637 | /*****************************************************************************/ |
625 | |
638 | |
626 | void inline_speed |
639 | void inline_speed |
627 | upheap (WT *heap, int k) |
640 | upheap (WT *heap, int k) |
628 | { |
641 | { |
629 | WT w = heap [k]; |
642 | WT w = heap [k]; |
630 | |
643 | |
631 | while (k && heap [k >> 1]->at > w->at) |
644 | while (k) |
632 | { |
645 | { |
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|
646 | int p = (k - 1) >> 1; |
|
|
647 | |
|
|
648 | if (heap [p]->at <= w->at) |
|
|
649 | break; |
|
|
650 | |
633 | heap [k] = heap [k >> 1]; |
651 | heap [k] = heap [p]; |
634 | ((W)heap [k])->active = k + 1; |
652 | ((W)heap [k])->active = k + 1; |
635 | k >>= 1; |
653 | k = p; |
636 | } |
654 | } |
637 | |
655 | |
638 | heap [k] = w; |
656 | heap [k] = w; |
639 | ((W)heap [k])->active = k + 1; |
657 | ((W)heap [k])->active = k + 1; |
640 | |
|
|
641 | } |
658 | } |
642 | |
659 | |
643 | void inline_speed |
660 | void inline_speed |
644 | downheap (WT *heap, int N, int k) |
661 | downheap (WT *heap, int N, int k) |
645 | { |
662 | { |
646 | WT w = heap [k]; |
663 | WT w = heap [k]; |
647 | |
664 | |
648 | while (k < (N >> 1)) |
665 | for (;;) |
649 | { |
666 | { |
650 | int j = k << 1; |
667 | int c = (k << 1) + 1; |
651 | |
668 | |
652 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
669 | if (c >= N) |
653 | ++j; |
|
|
654 | |
|
|
655 | if (w->at <= heap [j]->at) |
|
|
656 | break; |
670 | break; |
657 | |
671 | |
|
|
672 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
673 | ? 1 : 0; |
|
|
674 | |
|
|
675 | if (w->at <= heap [c]->at) |
|
|
676 | break; |
|
|
677 | |
658 | heap [k] = heap [j]; |
678 | heap [k] = heap [c]; |
659 | ((W)heap [k])->active = k + 1; |
679 | ((W)heap [k])->active = k + 1; |
|
|
680 | |
660 | k = j; |
681 | k = c; |
661 | } |
682 | } |
662 | |
683 | |
663 | heap [k] = w; |
684 | heap [k] = w; |
664 | ((W)heap [k])->active = k + 1; |
685 | ((W)heap [k])->active = k + 1; |
665 | } |
686 | } |
… | |
… | |
747 | for (signum = signalmax; signum--; ) |
768 | for (signum = signalmax; signum--; ) |
748 | if (signals [signum].gotsig) |
769 | if (signals [signum].gotsig) |
749 | ev_feed_signal_event (EV_A_ signum + 1); |
770 | ev_feed_signal_event (EV_A_ signum + 1); |
750 | } |
771 | } |
751 | |
772 | |
752 | void inline_size |
773 | void inline_speed |
753 | fd_intern (int fd) |
774 | fd_intern (int fd) |
754 | { |
775 | { |
755 | #ifdef _WIN32 |
776 | #ifdef _WIN32 |
756 | int arg = 1; |
777 | int arg = 1; |
757 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
778 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
772 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
793 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
773 | } |
794 | } |
774 | |
795 | |
775 | /*****************************************************************************/ |
796 | /*****************************************************************************/ |
776 | |
797 | |
777 | static ev_child *childs [EV_PID_HASHSIZE]; |
798 | static WL childs [EV_PID_HASHSIZE]; |
778 | |
799 | |
779 | #ifndef _WIN32 |
800 | #ifndef _WIN32 |
780 | |
801 | |
781 | static ev_signal childev; |
802 | static ev_signal childev; |
782 | |
803 | |
… | |
… | |
1163 | postfork = 1; |
1184 | postfork = 1; |
1164 | } |
1185 | } |
1165 | |
1186 | |
1166 | /*****************************************************************************/ |
1187 | /*****************************************************************************/ |
1167 | |
1188 | |
|
|
1189 | void |
|
|
1190 | ev_invoke (EV_P_ void *w, int revents) |
|
|
1191 | { |
|
|
1192 | EV_CB_INVOKE ((W)w, revents); |
|
|
1193 | } |
|
|
1194 | |
1168 | void inline_speed |
1195 | void inline_speed |
1169 | call_pending (EV_P) |
1196 | call_pending (EV_P) |
1170 | { |
1197 | { |
1171 | int pri; |
1198 | int pri; |
1172 | |
1199 | |
… | |
… | |
1188 | void inline_size |
1215 | void inline_size |
1189 | timers_reify (EV_P) |
1216 | timers_reify (EV_P) |
1190 | { |
1217 | { |
1191 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1218 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1192 | { |
1219 | { |
1193 | ev_timer *w = timers [0]; |
1220 | ev_timer *w = (ev_timer *)timers [0]; |
1194 | |
1221 | |
1195 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1222 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1196 | |
1223 | |
1197 | /* first reschedule or stop timer */ |
1224 | /* first reschedule or stop timer */ |
1198 | if (w->repeat) |
1225 | if (w->repeat) |
… | |
… | |
1201 | |
1228 | |
1202 | ((WT)w)->at += w->repeat; |
1229 | ((WT)w)->at += w->repeat; |
1203 | if (((WT)w)->at < mn_now) |
1230 | if (((WT)w)->at < mn_now) |
1204 | ((WT)w)->at = mn_now; |
1231 | ((WT)w)->at = mn_now; |
1205 | |
1232 | |
1206 | downheap ((WT *)timers, timercnt, 0); |
1233 | downheap (timers, timercnt, 0); |
1207 | } |
1234 | } |
1208 | else |
1235 | else |
1209 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1236 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1210 | |
1237 | |
1211 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1238 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1216 | void inline_size |
1243 | void inline_size |
1217 | periodics_reify (EV_P) |
1244 | periodics_reify (EV_P) |
1218 | { |
1245 | { |
1219 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1246 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1220 | { |
1247 | { |
1221 | ev_periodic *w = periodics [0]; |
1248 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1222 | |
1249 | |
1223 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1250 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1224 | |
1251 | |
1225 | /* first reschedule or stop timer */ |
1252 | /* first reschedule or stop timer */ |
1226 | if (w->reschedule_cb) |
1253 | if (w->reschedule_cb) |
1227 | { |
1254 | { |
1228 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1255 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1229 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1256 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1230 | downheap ((WT *)periodics, periodiccnt, 0); |
1257 | downheap (periodics, periodiccnt, 0); |
1231 | } |
1258 | } |
1232 | else if (w->interval) |
1259 | else if (w->interval) |
1233 | { |
1260 | { |
1234 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1261 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1262 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1235 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1263 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1236 | downheap ((WT *)periodics, periodiccnt, 0); |
1264 | downheap (periodics, periodiccnt, 0); |
1237 | } |
1265 | } |
1238 | else |
1266 | else |
1239 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1267 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1240 | |
1268 | |
1241 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1269 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1248 | int i; |
1276 | int i; |
1249 | |
1277 | |
1250 | /* adjust periodics after time jump */ |
1278 | /* adjust periodics after time jump */ |
1251 | for (i = 0; i < periodiccnt; ++i) |
1279 | for (i = 0; i < periodiccnt; ++i) |
1252 | { |
1280 | { |
1253 | ev_periodic *w = periodics [i]; |
1281 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1254 | |
1282 | |
1255 | if (w->reschedule_cb) |
1283 | if (w->reschedule_cb) |
1256 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1284 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1257 | else if (w->interval) |
1285 | else if (w->interval) |
1258 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1286 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1259 | } |
1287 | } |
1260 | |
1288 | |
1261 | /* now rebuild the heap */ |
1289 | /* now rebuild the heap */ |
1262 | for (i = periodiccnt >> 1; i--; ) |
1290 | for (i = periodiccnt >> 1; i--; ) |
1263 | downheap ((WT *)periodics, periodiccnt, i); |
1291 | downheap (periodics, periodiccnt, i); |
1264 | } |
1292 | } |
1265 | #endif |
1293 | #endif |
1266 | |
1294 | |
1267 | #if EV_IDLE_ENABLE |
1295 | #if EV_IDLE_ENABLE |
1268 | void inline_size |
1296 | void inline_size |
… | |
… | |
1285 | } |
1313 | } |
1286 | } |
1314 | } |
1287 | } |
1315 | } |
1288 | #endif |
1316 | #endif |
1289 | |
1317 | |
1290 | int inline_size |
1318 | void inline_speed |
1291 | time_update_monotonic (EV_P) |
1319 | time_update (EV_P_ ev_tstamp max_block) |
1292 | { |
1320 | { |
|
|
1321 | int i; |
|
|
1322 | |
|
|
1323 | #if EV_USE_MONOTONIC |
|
|
1324 | if (expect_true (have_monotonic)) |
|
|
1325 | { |
|
|
1326 | ev_tstamp odiff = rtmn_diff; |
|
|
1327 | |
1293 | mn_now = get_clock (); |
1328 | mn_now = get_clock (); |
1294 | |
1329 | |
|
|
1330 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1331 | /* interpolate in the meantime */ |
1295 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1332 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1296 | { |
1333 | { |
1297 | ev_rt_now = rtmn_diff + mn_now; |
1334 | ev_rt_now = rtmn_diff + mn_now; |
1298 | return 0; |
1335 | return; |
1299 | } |
1336 | } |
1300 | else |
1337 | |
1301 | { |
|
|
1302 | now_floor = mn_now; |
1338 | now_floor = mn_now; |
1303 | ev_rt_now = ev_time (); |
1339 | ev_rt_now = ev_time (); |
1304 | return 1; |
|
|
1305 | } |
|
|
1306 | } |
|
|
1307 | |
1340 | |
1308 | void inline_size |
1341 | /* loop a few times, before making important decisions. |
1309 | time_update (EV_P) |
1342 | * on the choice of "4": one iteration isn't enough, |
1310 | { |
1343 | * in case we get preempted during the calls to |
1311 | int i; |
1344 | * ev_time and get_clock. a second call is almost guaranteed |
1312 | |
1345 | * to succeed in that case, though. and looping a few more times |
1313 | #if EV_USE_MONOTONIC |
1346 | * doesn't hurt either as we only do this on time-jumps or |
1314 | if (expect_true (have_monotonic)) |
1347 | * in the unlikely event of having been preempted here. |
1315 | { |
1348 | */ |
1316 | if (time_update_monotonic (EV_A)) |
1349 | for (i = 4; --i; ) |
1317 | { |
1350 | { |
1318 | ev_tstamp odiff = rtmn_diff; |
|
|
1319 | |
|
|
1320 | /* loop a few times, before making important decisions. |
|
|
1321 | * on the choice of "4": one iteration isn't enough, |
|
|
1322 | * in case we get preempted during the calls to |
|
|
1323 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1324 | * to succeed in that case, though. and looping a few more times |
|
|
1325 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1326 | * in the unlikely event of having been preempted here. |
|
|
1327 | */ |
|
|
1328 | for (i = 4; --i; ) |
|
|
1329 | { |
|
|
1330 | rtmn_diff = ev_rt_now - mn_now; |
1351 | rtmn_diff = ev_rt_now - mn_now; |
1331 | |
1352 | |
1332 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1353 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1333 | return; /* all is well */ |
1354 | return; /* all is well */ |
1334 | |
1355 | |
1335 | ev_rt_now = ev_time (); |
1356 | ev_rt_now = ev_time (); |
1336 | mn_now = get_clock (); |
1357 | mn_now = get_clock (); |
1337 | now_floor = mn_now; |
1358 | now_floor = mn_now; |
1338 | } |
1359 | } |
1339 | |
1360 | |
1340 | # if EV_PERIODIC_ENABLE |
1361 | # if EV_PERIODIC_ENABLE |
1341 | periodics_reschedule (EV_A); |
1362 | periodics_reschedule (EV_A); |
1342 | # endif |
1363 | # endif |
1343 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1364 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1344 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1365 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1345 | } |
|
|
1346 | } |
1366 | } |
1347 | else |
1367 | else |
1348 | #endif |
1368 | #endif |
1349 | { |
1369 | { |
1350 | ev_rt_now = ev_time (); |
1370 | ev_rt_now = ev_time (); |
1351 | |
1371 | |
1352 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1372 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1353 | { |
1373 | { |
1354 | #if EV_PERIODIC_ENABLE |
1374 | #if EV_PERIODIC_ENABLE |
1355 | periodics_reschedule (EV_A); |
1375 | periodics_reschedule (EV_A); |
1356 | #endif |
1376 | #endif |
1357 | |
|
|
1358 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1377 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1359 | for (i = 0; i < timercnt; ++i) |
1378 | for (i = 0; i < timercnt; ++i) |
1360 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1379 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1361 | } |
1380 | } |
1362 | |
1381 | |
… | |
… | |
1406 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1425 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1407 | call_pending (EV_A); |
1426 | call_pending (EV_A); |
1408 | } |
1427 | } |
1409 | #endif |
1428 | #endif |
1410 | |
1429 | |
1411 | /* queue check watchers (and execute them) */ |
1430 | /* queue prepare watchers (and execute them) */ |
1412 | if (expect_false (preparecnt)) |
1431 | if (expect_false (preparecnt)) |
1413 | { |
1432 | { |
1414 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1433 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1415 | call_pending (EV_A); |
1434 | call_pending (EV_A); |
1416 | } |
1435 | } |
… | |
… | |
1432 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1451 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1433 | block = 0.; /* do not block at all */ |
1452 | block = 0.; /* do not block at all */ |
1434 | else |
1453 | else |
1435 | { |
1454 | { |
1436 | /* update time to cancel out callback processing overhead */ |
1455 | /* update time to cancel out callback processing overhead */ |
1437 | #if EV_USE_MONOTONIC |
|
|
1438 | if (expect_true (have_monotonic)) |
|
|
1439 | time_update_monotonic (EV_A); |
1456 | time_update (EV_A_ 1e100); |
1440 | else |
|
|
1441 | #endif |
|
|
1442 | { |
|
|
1443 | ev_rt_now = ev_time (); |
|
|
1444 | mn_now = ev_rt_now; |
|
|
1445 | } |
|
|
1446 | |
1457 | |
1447 | block = MAX_BLOCKTIME; |
1458 | block = MAX_BLOCKTIME; |
1448 | |
1459 | |
1449 | if (timercnt) |
1460 | if (timercnt) |
1450 | { |
1461 | { |
… | |
… | |
1463 | if (expect_false (block < 0.)) block = 0.; |
1474 | if (expect_false (block < 0.)) block = 0.; |
1464 | } |
1475 | } |
1465 | |
1476 | |
1466 | ++loop_count; |
1477 | ++loop_count; |
1467 | backend_poll (EV_A_ block); |
1478 | backend_poll (EV_A_ block); |
|
|
1479 | |
|
|
1480 | /* update ev_rt_now, do magic */ |
|
|
1481 | time_update (EV_A_ block); |
1468 | } |
1482 | } |
1469 | |
|
|
1470 | /* update ev_rt_now, do magic */ |
|
|
1471 | time_update (EV_A); |
|
|
1472 | |
1483 | |
1473 | /* queue pending timers and reschedule them */ |
1484 | /* queue pending timers and reschedule them */ |
1474 | timers_reify (EV_A); /* relative timers called last */ |
1485 | timers_reify (EV_A); /* relative timers called last */ |
1475 | #if EV_PERIODIC_ENABLE |
1486 | #if EV_PERIODIC_ENABLE |
1476 | periodics_reify (EV_A); /* absolute timers called first */ |
1487 | periodics_reify (EV_A); /* absolute timers called first */ |
… | |
… | |
1532 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1543 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1533 | w->pending = 0; |
1544 | w->pending = 0; |
1534 | } |
1545 | } |
1535 | } |
1546 | } |
1536 | |
1547 | |
1537 | void |
1548 | int |
1538 | ev_clear_pending (EV_P_ void *w, int invoke) |
1549 | ev_clear_pending (EV_P_ void *w) |
1539 | { |
1550 | { |
1540 | W w_ = (W)w; |
1551 | W w_ = (W)w; |
1541 | int pending = w_->pending; |
1552 | int pending = w_->pending; |
1542 | |
1553 | |
1543 | if (pending) |
1554 | if (expect_true (pending)) |
1544 | { |
1555 | { |
1545 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
1556 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
1546 | |
|
|
1547 | w_->pending = 0; |
1557 | w_->pending = 0; |
1548 | p->w = 0; |
1558 | p->w = 0; |
1549 | |
1559 | return p->events; |
1550 | if (invoke) |
|
|
1551 | EV_CB_INVOKE (w_, p->events); |
|
|
1552 | } |
1560 | } |
|
|
1561 | else |
|
|
1562 | return 0; |
1553 | } |
1563 | } |
1554 | |
1564 | |
1555 | void inline_size |
1565 | void inline_size |
1556 | pri_adjust (EV_P_ W w) |
1566 | pri_adjust (EV_P_ W w) |
1557 | { |
1567 | { |
… | |
… | |
1576 | w->active = 0; |
1586 | w->active = 0; |
1577 | } |
1587 | } |
1578 | |
1588 | |
1579 | /*****************************************************************************/ |
1589 | /*****************************************************************************/ |
1580 | |
1590 | |
1581 | void |
1591 | void noinline |
1582 | ev_io_start (EV_P_ ev_io *w) |
1592 | ev_io_start (EV_P_ ev_io *w) |
1583 | { |
1593 | { |
1584 | int fd = w->fd; |
1594 | int fd = w->fd; |
1585 | |
1595 | |
1586 | if (expect_false (ev_is_active (w))) |
1596 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1588 | |
1598 | |
1589 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1599 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1590 | |
1600 | |
1591 | ev_start (EV_A_ (W)w, 1); |
1601 | ev_start (EV_A_ (W)w, 1); |
1592 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1602 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1593 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1603 | wlist_add (&anfds[fd].head, (WL)w); |
1594 | |
1604 | |
1595 | fd_change (EV_A_ fd); |
1605 | fd_change (EV_A_ fd, w->events & EV_IOFDSET); |
|
|
1606 | w->events &= ~ EV_IOFDSET; |
1596 | } |
1607 | } |
1597 | |
1608 | |
1598 | void |
1609 | void noinline |
1599 | ev_io_stop (EV_P_ ev_io *w) |
1610 | ev_io_stop (EV_P_ ev_io *w) |
1600 | { |
1611 | { |
1601 | clear_pending (EV_A_ (W)w); |
1612 | clear_pending (EV_A_ (W)w); |
1602 | if (expect_false (!ev_is_active (w))) |
1613 | if (expect_false (!ev_is_active (w))) |
1603 | return; |
1614 | return; |
1604 | |
1615 | |
1605 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1616 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1606 | |
1617 | |
1607 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1618 | wlist_del (&anfds[w->fd].head, (WL)w); |
1608 | ev_stop (EV_A_ (W)w); |
1619 | ev_stop (EV_A_ (W)w); |
1609 | |
1620 | |
1610 | fd_change (EV_A_ w->fd); |
1621 | fd_change (EV_A_ w->fd, 0); |
1611 | } |
1622 | } |
1612 | |
1623 | |
1613 | void |
1624 | void noinline |
1614 | ev_timer_start (EV_P_ ev_timer *w) |
1625 | ev_timer_start (EV_P_ ev_timer *w) |
1615 | { |
1626 | { |
1616 | if (expect_false (ev_is_active (w))) |
1627 | if (expect_false (ev_is_active (w))) |
1617 | return; |
1628 | return; |
1618 | |
1629 | |
1619 | ((WT)w)->at += mn_now; |
1630 | ((WT)w)->at += mn_now; |
1620 | |
1631 | |
1621 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1632 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1622 | |
1633 | |
1623 | ev_start (EV_A_ (W)w, ++timercnt); |
1634 | ev_start (EV_A_ (W)w, ++timercnt); |
1624 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1635 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1625 | timers [timercnt - 1] = w; |
1636 | timers [timercnt - 1] = (WT)w; |
1626 | upheap ((WT *)timers, timercnt - 1); |
1637 | upheap (timers, timercnt - 1); |
1627 | |
1638 | |
1628 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1639 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1629 | } |
1640 | } |
1630 | |
1641 | |
1631 | void |
1642 | void noinline |
1632 | ev_timer_stop (EV_P_ ev_timer *w) |
1643 | ev_timer_stop (EV_P_ ev_timer *w) |
1633 | { |
1644 | { |
1634 | clear_pending (EV_A_ (W)w); |
1645 | clear_pending (EV_A_ (W)w); |
1635 | if (expect_false (!ev_is_active (w))) |
1646 | if (expect_false (!ev_is_active (w))) |
1636 | return; |
1647 | return; |
1637 | |
1648 | |
1638 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1649 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1639 | |
1650 | |
1640 | { |
1651 | { |
1641 | int active = ((W)w)->active; |
1652 | int active = ((W)w)->active; |
1642 | |
1653 | |
1643 | if (expect_true (--active < --timercnt)) |
1654 | if (expect_true (--active < --timercnt)) |
1644 | { |
1655 | { |
1645 | timers [active] = timers [timercnt]; |
1656 | timers [active] = timers [timercnt]; |
1646 | adjustheap ((WT *)timers, timercnt, active); |
1657 | adjustheap (timers, timercnt, active); |
1647 | } |
1658 | } |
1648 | } |
1659 | } |
1649 | |
1660 | |
1650 | ((WT)w)->at -= mn_now; |
1661 | ((WT)w)->at -= mn_now; |
1651 | |
1662 | |
1652 | ev_stop (EV_A_ (W)w); |
1663 | ev_stop (EV_A_ (W)w); |
1653 | } |
1664 | } |
1654 | |
1665 | |
1655 | void |
1666 | void noinline |
1656 | ev_timer_again (EV_P_ ev_timer *w) |
1667 | ev_timer_again (EV_P_ ev_timer *w) |
1657 | { |
1668 | { |
1658 | if (ev_is_active (w)) |
1669 | if (ev_is_active (w)) |
1659 | { |
1670 | { |
1660 | if (w->repeat) |
1671 | if (w->repeat) |
1661 | { |
1672 | { |
1662 | ((WT)w)->at = mn_now + w->repeat; |
1673 | ((WT)w)->at = mn_now + w->repeat; |
1663 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1674 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1664 | } |
1675 | } |
1665 | else |
1676 | else |
1666 | ev_timer_stop (EV_A_ w); |
1677 | ev_timer_stop (EV_A_ w); |
1667 | } |
1678 | } |
1668 | else if (w->repeat) |
1679 | else if (w->repeat) |
… | |
… | |
1671 | ev_timer_start (EV_A_ w); |
1682 | ev_timer_start (EV_A_ w); |
1672 | } |
1683 | } |
1673 | } |
1684 | } |
1674 | |
1685 | |
1675 | #if EV_PERIODIC_ENABLE |
1686 | #if EV_PERIODIC_ENABLE |
1676 | void |
1687 | void noinline |
1677 | ev_periodic_start (EV_P_ ev_periodic *w) |
1688 | ev_periodic_start (EV_P_ ev_periodic *w) |
1678 | { |
1689 | { |
1679 | if (expect_false (ev_is_active (w))) |
1690 | if (expect_false (ev_is_active (w))) |
1680 | return; |
1691 | return; |
1681 | |
1692 | |
… | |
… | |
1683 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1694 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1684 | else if (w->interval) |
1695 | else if (w->interval) |
1685 | { |
1696 | { |
1686 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1697 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1687 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1698 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1688 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1699 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1689 | } |
1700 | } |
|
|
1701 | else |
|
|
1702 | ((WT)w)->at = w->offset; |
1690 | |
1703 | |
1691 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1704 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1692 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1705 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1693 | periodics [periodiccnt - 1] = w; |
1706 | periodics [periodiccnt - 1] = (WT)w; |
1694 | upheap ((WT *)periodics, periodiccnt - 1); |
1707 | upheap (periodics, periodiccnt - 1); |
1695 | |
1708 | |
1696 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1709 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1697 | } |
1710 | } |
1698 | |
1711 | |
1699 | void |
1712 | void noinline |
1700 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1713 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1701 | { |
1714 | { |
1702 | clear_pending (EV_A_ (W)w); |
1715 | clear_pending (EV_A_ (W)w); |
1703 | if (expect_false (!ev_is_active (w))) |
1716 | if (expect_false (!ev_is_active (w))) |
1704 | return; |
1717 | return; |
1705 | |
1718 | |
1706 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1719 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1707 | |
1720 | |
1708 | { |
1721 | { |
1709 | int active = ((W)w)->active; |
1722 | int active = ((W)w)->active; |
1710 | |
1723 | |
1711 | if (expect_true (--active < --periodiccnt)) |
1724 | if (expect_true (--active < --periodiccnt)) |
1712 | { |
1725 | { |
1713 | periodics [active] = periodics [periodiccnt]; |
1726 | periodics [active] = periodics [periodiccnt]; |
1714 | adjustheap ((WT *)periodics, periodiccnt, active); |
1727 | adjustheap (periodics, periodiccnt, active); |
1715 | } |
1728 | } |
1716 | } |
1729 | } |
1717 | |
1730 | |
1718 | ev_stop (EV_A_ (W)w); |
1731 | ev_stop (EV_A_ (W)w); |
1719 | } |
1732 | } |
1720 | |
1733 | |
1721 | void |
1734 | void noinline |
1722 | ev_periodic_again (EV_P_ ev_periodic *w) |
1735 | ev_periodic_again (EV_P_ ev_periodic *w) |
1723 | { |
1736 | { |
1724 | /* TODO: use adjustheap and recalculation */ |
1737 | /* TODO: use adjustheap and recalculation */ |
1725 | ev_periodic_stop (EV_A_ w); |
1738 | ev_periodic_stop (EV_A_ w); |
1726 | ev_periodic_start (EV_A_ w); |
1739 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1729 | |
1742 | |
1730 | #ifndef SA_RESTART |
1743 | #ifndef SA_RESTART |
1731 | # define SA_RESTART 0 |
1744 | # define SA_RESTART 0 |
1732 | #endif |
1745 | #endif |
1733 | |
1746 | |
1734 | void |
1747 | void noinline |
1735 | ev_signal_start (EV_P_ ev_signal *w) |
1748 | ev_signal_start (EV_P_ ev_signal *w) |
1736 | { |
1749 | { |
1737 | #if EV_MULTIPLICITY |
1750 | #if EV_MULTIPLICITY |
1738 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1751 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1739 | #endif |
1752 | #endif |
1740 | if (expect_false (ev_is_active (w))) |
1753 | if (expect_false (ev_is_active (w))) |
1741 | return; |
1754 | return; |
1742 | |
1755 | |
1743 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1756 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1744 | |
1757 | |
|
|
1758 | { |
|
|
1759 | #ifndef _WIN32 |
|
|
1760 | sigset_t full, prev; |
|
|
1761 | sigfillset (&full); |
|
|
1762 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1763 | #endif |
|
|
1764 | |
|
|
1765 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1766 | |
|
|
1767 | #ifndef _WIN32 |
|
|
1768 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1769 | #endif |
|
|
1770 | } |
|
|
1771 | |
1745 | ev_start (EV_A_ (W)w, 1); |
1772 | ev_start (EV_A_ (W)w, 1); |
1746 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1747 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1773 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1748 | |
1774 | |
1749 | if (!((WL)w)->next) |
1775 | if (!((WL)w)->next) |
1750 | { |
1776 | { |
1751 | #if _WIN32 |
1777 | #if _WIN32 |
1752 | signal (w->signum, sighandler); |
1778 | signal (w->signum, sighandler); |
… | |
… | |
1758 | sigaction (w->signum, &sa, 0); |
1784 | sigaction (w->signum, &sa, 0); |
1759 | #endif |
1785 | #endif |
1760 | } |
1786 | } |
1761 | } |
1787 | } |
1762 | |
1788 | |
1763 | void |
1789 | void noinline |
1764 | ev_signal_stop (EV_P_ ev_signal *w) |
1790 | ev_signal_stop (EV_P_ ev_signal *w) |
1765 | { |
1791 | { |
1766 | clear_pending (EV_A_ (W)w); |
1792 | clear_pending (EV_A_ (W)w); |
1767 | if (expect_false (!ev_is_active (w))) |
1793 | if (expect_false (!ev_is_active (w))) |
1768 | return; |
1794 | return; |
1769 | |
1795 | |
1770 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1796 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1771 | ev_stop (EV_A_ (W)w); |
1797 | ev_stop (EV_A_ (W)w); |
1772 | |
1798 | |
1773 | if (!signals [w->signum - 1].head) |
1799 | if (!signals [w->signum - 1].head) |
1774 | signal (w->signum, SIG_DFL); |
1800 | signal (w->signum, SIG_DFL); |
1775 | } |
1801 | } |
… | |
… | |
1782 | #endif |
1808 | #endif |
1783 | if (expect_false (ev_is_active (w))) |
1809 | if (expect_false (ev_is_active (w))) |
1784 | return; |
1810 | return; |
1785 | |
1811 | |
1786 | ev_start (EV_A_ (W)w, 1); |
1812 | ev_start (EV_A_ (W)w, 1); |
1787 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1813 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1788 | } |
1814 | } |
1789 | |
1815 | |
1790 | void |
1816 | void |
1791 | ev_child_stop (EV_P_ ev_child *w) |
1817 | ev_child_stop (EV_P_ ev_child *w) |
1792 | { |
1818 | { |
1793 | clear_pending (EV_A_ (W)w); |
1819 | clear_pending (EV_A_ (W)w); |
1794 | if (expect_false (!ev_is_active (w))) |
1820 | if (expect_false (!ev_is_active (w))) |
1795 | return; |
1821 | return; |
1796 | |
1822 | |
1797 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1823 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1798 | ev_stop (EV_A_ (W)w); |
1824 | ev_stop (EV_A_ (W)w); |
1799 | } |
1825 | } |
1800 | |
1826 | |
1801 | #if EV_STAT_ENABLE |
1827 | #if EV_STAT_ENABLE |
1802 | |
1828 | |