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Comparing libev/ev.c (file contents):
Revision 1.53 by root, Sat Nov 3 22:31:11 2007 UTC vs.
Revision 1.59 by root, Sun Nov 4 18:15:16 2007 UTC

… …
58 58
59#ifndef EV_USE_SELECT 59#ifndef EV_USE_SELECT
60# define EV_USE_SELECT 1 60# define EV_USE_SELECT 1
61#endif 61#endif
62 62
63#ifndef EV_USEV_POLL 63#ifndef EV_USE_POLL
64# define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */ 64# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */
65#endif 65#endif
66 66
67#ifndef EV_USE_EPOLL 67#ifndef EV_USE_EPOLL
68# define EV_USE_EPOLL 0 68# define EV_USE_EPOLL 0
69#endif 69#endif
… …
113 113
114typedef struct ev_watcher *W; 114typedef struct ev_watcher *W;
115typedef struct ev_watcher_list *WL; 115typedef struct ev_watcher_list *WL;
116typedef struct ev_watcher_time *WT; 116typedef struct ev_watcher_time *WT;
117 117
118static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
119
118/*****************************************************************************/ 120/*****************************************************************************/
119 121
120typedef struct 122typedef struct
121{ 123{
122 struct ev_watcher_list *head; 124 struct ev_watcher_list *head;
… …
128{ 130{
129 W w; 131 W w;
130 int events; 132 int events;
131} ANPENDING; 133} ANPENDING;
132 134
133#ifdef EV_MULTIPLICITY 135#if EV_MULTIPLICITY
136
134struct ev_loop 137struct ev_loop
135{ 138{
136# define VAR(name,decl) decl 139# define VAR(name,decl) decl;
137# include "ev_vars.h" 140# include "ev_vars.h"
138}; 141};
142# undef VAR
143# include "ev_wrap.h"
144
139#else 145#else
146
140# define VAR(name,decl) static decl 147# define VAR(name,decl) static decl;
141# include "ev_vars.h" 148# include "ev_vars.h"
142#endif
143#undef VAR 149# undef VAR
150
151#endif
144 152
145/*****************************************************************************/ 153/*****************************************************************************/
146 154
147inline ev_tstamp 155inline ev_tstamp
148ev_time (void) 156ev_time (void)
… …
330 fd_kill (EV_A_ fd); 338 fd_kill (EV_A_ fd);
331 return; 339 return;
332 } 340 }
333} 341}
334 342
343/* susually called after fork if method needs to re-arm all fds from scratch */
344static void
345fd_rearm_all (EV_P)
346{
347 int fd;
348
349 /* this should be highly optimised to not do anything but set a flag */
350 for (fd = 0; fd < anfdmax; ++fd)
351 if (anfds [fd].events)
352 {
353 anfds [fd].events = 0;
354 fd_change (fd);
355 }
356}
357
335/*****************************************************************************/ 358/*****************************************************************************/
336 359
337static void 360static void
338upheap (WT *timers, int k) 361upheap (WT *heap, int k)
339{ 362{
340 WT w = timers [k]; 363 WT w = heap [k];
341 364
342 while (k && timers [k >> 1]->at > w->at) 365 while (k && heap [k >> 1]->at > w->at)
343 { 366 {
344 timers [k] = timers [k >> 1]; 367 heap [k] = heap [k >> 1];
345 timers [k]->active = k + 1; 368 heap [k]->active = k + 1;
346 k >>= 1; 369 k >>= 1;
347 } 370 }
348 371
349 timers [k] = w; 372 heap [k] = w;
350 timers [k]->active = k + 1; 373 heap [k]->active = k + 1;
351 374
352} 375}
353 376
354static void 377static void
355downheap (WT *timers, int N, int k) 378downheap (WT *heap, int N, int k)
356{ 379{
357 WT w = timers [k]; 380 WT w = heap [k];
358 381
359 while (k < (N >> 1)) 382 while (k < (N >> 1))
360 { 383 {
361 int j = k << 1; 384 int j = k << 1;
362 385
363 if (j + 1 < N && timers [j]->at > timers [j + 1]->at) 386 if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
364 ++j; 387 ++j;
365 388
366 if (w->at <= timers [j]->at) 389 if (w->at <= heap [j]->at)
367 break; 390 break;
368 391
369 timers [k] = timers [j]; 392 heap [k] = heap [j];
370 timers [k]->active = k + 1; 393 heap [k]->active = k + 1;
371 k = j; 394 k = j;
372 } 395 }
373 396
374 timers [k] = w; 397 heap [k] = w;
375 timers [k]->active = k + 1; 398 heap [k]->active = k + 1;
376} 399}
377 400
378/*****************************************************************************/ 401/*****************************************************************************/
379 402
380typedef struct 403typedef struct
… …
386static ANSIG *signals; 409static ANSIG *signals;
387static int signalmax; 410static int signalmax;
388 411
389static int sigpipe [2]; 412static int sigpipe [2];
390static sig_atomic_t volatile gotsig; 413static sig_atomic_t volatile gotsig;
414static struct ev_io sigev;
391 415
392static void 416static void
393signals_init (ANSIG *base, int count) 417signals_init (ANSIG *base, int count)
394{ 418{
395 while (count--) 419 while (count--)
… …
445 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); 469 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
446 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); 470 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
447#endif 471#endif
448 472
449 ev_io_set (&sigev, sigpipe [0], EV_READ); 473 ev_io_set (&sigev, sigpipe [0], EV_READ);
450 ev_io_start (&sigev); 474 ev_io_start (EV_A_ &sigev);
451 ev_unref (EV_A); /* child watcher should not keep loop alive */ 475 ev_unref (EV_A); /* child watcher should not keep loop alive */
452} 476}
453 477
454/*****************************************************************************/ 478/*****************************************************************************/
455 479
456#ifndef WIN32 480#ifndef WIN32
481
482static struct ev_child *childs [PID_HASHSIZE];
483static struct ev_signal childev;
457 484
458#ifndef WCONTINUED 485#ifndef WCONTINUED
459# define WCONTINUED 0 486# define WCONTINUED 0
460#endif 487#endif
461 488
… …
497# include "ev_kqueue.c" 524# include "ev_kqueue.c"
498#endif 525#endif
499#if EV_USE_EPOLL 526#if EV_USE_EPOLL
500# include "ev_epoll.c" 527# include "ev_epoll.c"
501#endif 528#endif
502#if EV_USEV_POLL 529#if EV_USE_POLL
503# include "ev_poll.c" 530# include "ev_poll.c"
504#endif 531#endif
505#if EV_USE_SELECT 532#if EV_USE_SELECT
506# include "ev_select.c" 533# include "ev_select.c"
507#endif 534#endif
… …
534ev_method (EV_P) 561ev_method (EV_P)
535{ 562{
536 return method; 563 return method;
537} 564}
538 565
539int 566static void
540ev_init (EV_P_ int methods) 567loop_init (EV_P_ int methods)
541{ 568{
542#ifdef EV_MULTIPLICITY
543 memset (loop, 0, sizeof (struct ev_loop));
544#endif
545
546 if (!method) 569 if (!method)
547 { 570 {
548#if EV_USE_MONOTONIC 571#if EV_USE_MONOTONIC
549 { 572 {
550 struct timespec ts; 573 struct timespec ts;
… …
554#endif 577#endif
555 578
556 rt_now = ev_time (); 579 rt_now = ev_time ();
557 mn_now = get_clock (); 580 mn_now = get_clock ();
558 now_floor = mn_now; 581 now_floor = mn_now;
559 diff = rt_now - mn_now; 582 rtmn_diff = rt_now - mn_now;
560
561 if (pipe (sigpipe))
562 return 0;
563 583
564 if (methods == EVMETHOD_AUTO) 584 if (methods == EVMETHOD_AUTO)
565 if (!enable_secure () && getenv ("LIBmethodS")) 585 if (!enable_secure () && getenv ("LIBEV_METHODS"))
566 methods = atoi (getenv ("LIBmethodS")); 586 methods = atoi (getenv ("LIBEV_METHODS"));
567 else 587 else
568 methods = EVMETHOD_ANY; 588 methods = EVMETHOD_ANY;
569 589
570 method = 0; 590 method = 0;
571#if EV_USE_KQUEUE 591#if EV_USE_KQUEUE
572 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); 592 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
573#endif 593#endif
574#if EV_USE_EPOLL 594#if EV_USE_EPOLL
575 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); 595 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
576#endif 596#endif
577#if EV_USEV_POLL 597#if EV_USE_POLL
578 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); 598 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
579#endif 599#endif
580#if EV_USE_SELECT 600#if EV_USE_SELECT
581 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); 601 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
582#endif 602#endif
603 }
604}
583 605
606void
607loop_destroy (EV_P)
608{
609#if EV_USE_KQUEUE
610 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
611#endif
612#if EV_USE_EPOLL
613 if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
614#endif
615#if EV_USE_POLL
616 if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
617#endif
618#if EV_USE_SELECT
619 if (method == EVMETHOD_SELECT) select_destroy (EV_A);
620#endif
621
622 method = 0;
623 /*TODO*/
624}
625
626void
627loop_fork (EV_P)
628{
629 /*TODO*/
630#if EV_USE_EPOLL
631 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
632#endif
633#if EV_USE_KQUEUE
634 if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
635#endif
636}
637
638#if EV_MULTIPLICITY
639struct ev_loop *
640ev_loop_new (int methods)
641{
642 struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop));
643
644 loop_init (EV_A_ methods);
645
646 if (ev_methods (EV_A))
647 return loop;
648
649 return 0;
650}
651
652void
653ev_loop_destroy (EV_P)
654{
655 loop_destroy (EV_A);
656 free (loop);
657}
658
659void
660ev_loop_fork (EV_P)
661{
662 loop_fork (EV_A);
663}
664
665#endif
666
667#if EV_MULTIPLICITY
668struct ev_loop default_loop_struct;
669static struct ev_loop *default_loop;
670
671struct ev_loop *
672#else
673static int default_loop;
674
675int
676#endif
677ev_default_loop (int methods)
678{
679 if (sigpipe [0] == sigpipe [1])
680 if (pipe (sigpipe))
681 return 0;
682
683 if (!default_loop)
684 {
685#if EV_MULTIPLICITY
686 struct ev_loop *loop = default_loop = &default_loop_struct;
687#else
688 default_loop = 1;
689#endif
690
691 loop_init (EV_A_ methods);
692
584 if (method) 693 if (ev_method (EV_A))
585 { 694 {
586 ev_watcher_init (&sigev, sigcb); 695 ev_watcher_init (&sigev, sigcb);
587 ev_set_priority (&sigev, EV_MAXPRI); 696 ev_set_priority (&sigev, EV_MAXPRI);
588 siginit (EV_A); 697 siginit (EV_A);
589 698
… …
592 ev_set_priority (&childev, EV_MAXPRI); 701 ev_set_priority (&childev, EV_MAXPRI);
593 ev_signal_start (EV_A_ &childev); 702 ev_signal_start (EV_A_ &childev);
594 ev_unref (EV_A); /* child watcher should not keep loop alive */ 703 ev_unref (EV_A); /* child watcher should not keep loop alive */
595#endif 704#endif
596 } 705 }
706 else
707 default_loop = 0;
597 } 708 }
598 709
599 return method; 710 return default_loop;
600} 711}
601 712
602/*****************************************************************************/
603
604void 713void
605ev_fork_prepare (void) 714ev_default_destroy (void)
606{ 715{
607 /* nop */ 716#if EV_MULTIPLICITY
608} 717 struct ev_loop *loop = default_loop;
609
610void
611ev_fork_parent (void)
612{
613 /* nop */
614}
615
616void
617ev_fork_child (void)
618{
619#if EV_USE_EPOLL
620 if (method == EVMETHOD_EPOLL)
621 epoll_postfork_child ();
622#endif 718#endif
623 719
720 ev_ref (EV_A); /* child watcher */
721 ev_signal_stop (EV_A_ &childev);
722
723 ev_ref (EV_A); /* signal watcher */
624 ev_io_stop (&sigev); 724 ev_io_stop (EV_A_ &sigev);
725
726 close (sigpipe [0]); sigpipe [0] = 0;
727 close (sigpipe [1]); sigpipe [1] = 0;
728
729 loop_destroy (EV_A);
730}
731
732void
733ev_default_fork (EV_P)
734{
735 loop_fork (EV_A);
736
737 ev_io_stop (EV_A_ &sigev);
625 close (sigpipe [0]); 738 close (sigpipe [0]);
626 close (sigpipe [1]); 739 close (sigpipe [1]);
627 pipe (sigpipe); 740 pipe (sigpipe);
741
742 ev_ref (EV_A); /* signal watcher */
628 siginit (); 743 siginit (EV_A);
629} 744}
630 745
631/*****************************************************************************/ 746/*****************************************************************************/
632 747
633static void 748static void
… …
663 downheap ((WT *)timers, timercnt, 0); 778 downheap ((WT *)timers, timercnt, 0);
664 } 779 }
665 else 780 else
666 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 781 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
667 782
668 event ((W)w, EV_TIMEOUT); 783 event (EV_A_ (W)w, EV_TIMEOUT);
669 } 784 }
670} 785}
671 786
672static void 787static void
673periodics_reify (EV_P) 788periodics_reify (EV_P)
… …
689 event (EV_A_ (W)w, EV_PERIODIC); 804 event (EV_A_ (W)w, EV_PERIODIC);
690 } 805 }
691} 806}
692 807
693static void 808static void
694periodics_reschedule (EV_P_ ev_tstamp diff) 809periodics_reschedule (EV_P)
695{ 810{
696 int i; 811 int i;
697 812
698 /* adjust periodics after time jump */ 813 /* adjust periodics after time jump */
699 for (i = 0; i < periodiccnt; ++i) 814 for (i = 0; i < periodiccnt; ++i)
… …
720{ 835{
721 mn_now = get_clock (); 836 mn_now = get_clock ();
722 837
723 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 838 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
724 { 839 {
725 rt_now = mn_now + diff; 840 rt_now = rtmn_diff + mn_now;
726 return 0; 841 return 0;
727 } 842 }
728 else 843 else
729 { 844 {
730 now_floor = mn_now; 845 now_floor = mn_now;
… …
741#if EV_USE_MONOTONIC 856#if EV_USE_MONOTONIC
742 if (expect_true (have_monotonic)) 857 if (expect_true (have_monotonic))
743 { 858 {
744 if (time_update_monotonic (EV_A)) 859 if (time_update_monotonic (EV_A))
745 { 860 {
746 ev_tstamp odiff = diff; 861 ev_tstamp odiff = rtmn_diff;
747 862
748 for (i = 4; --i; ) /* loop a few times, before making important decisions */ 863 for (i = 4; --i; ) /* loop a few times, before making important decisions */
749 { 864 {
750 diff = rt_now - mn_now; 865 rtmn_diff = rt_now - mn_now;
751 866
752 if (fabs (odiff - diff) < MIN_TIMEJUMP) 867 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
753 return; /* all is well */ 868 return; /* all is well */
754 869
755 rt_now = ev_time (); 870 rt_now = ev_time ();
756 mn_now = get_clock (); 871 mn_now = get_clock ();
757 now_floor = mn_now; 872 now_floor = mn_now;
758 } 873 }
759 874
760 periodics_reschedule (EV_A_ diff - odiff); 875 periodics_reschedule (EV_A);
761 /* no timer adjustment, as the monotonic clock doesn't jump */ 876 /* no timer adjustment, as the monotonic clock doesn't jump */
877 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */
762 } 878 }
763 } 879 }
764 else 880 else
765#endif 881#endif
766 { 882 {
767 rt_now = ev_time (); 883 rt_now = ev_time ();
768 884
769 if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) 885 if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
770 { 886 {
771 periodics_reschedule (EV_A_ rt_now - mn_now); 887 periodics_reschedule (EV_A);
772 888
773 /* adjust timers. this is easy, as the offset is the same for all */ 889 /* adjust timers. this is easy, as the offset is the same for all */
774 for (i = 0; i < timercnt; ++i) 890 for (i = 0; i < timercnt; ++i)
775 timers [i]->at += diff; 891 timers [i]->at += rt_now - mn_now;
776 } 892 }
777 893
778 mn_now = rt_now; 894 mn_now = rt_now;
779 } 895 }
780} 896}
… …
1043 } 1159 }
1044 1160
1045 ev_stop (EV_A_ (W)w); 1161 ev_stop (EV_A_ (W)w);
1046} 1162}
1047 1163
1164void
1165ev_idle_start (EV_P_ struct ev_idle *w)
1166{
1167 if (ev_is_active (w))
1168 return;
1169
1170 ev_start (EV_A_ (W)w, ++idlecnt);
1171 array_needsize (idles, idlemax, idlecnt, );
1172 idles [idlecnt - 1] = w;
1173}
1174
1175void
1176ev_idle_stop (EV_P_ struct ev_idle *w)
1177{
1178 ev_clear_pending (EV_A_ (W)w);
1179 if (ev_is_active (w))
1180 return;
1181
1182 idles [w->active - 1] = idles [--idlecnt];
1183 ev_stop (EV_A_ (W)w);
1184}
1185
1186void
1187ev_prepare_start (EV_P_ struct ev_prepare *w)
1188{
1189 if (ev_is_active (w))
1190 return;
1191
1192 ev_start (EV_A_ (W)w, ++preparecnt);
1193 array_needsize (prepares, preparemax, preparecnt, );
1194 prepares [preparecnt - 1] = w;
1195}
1196
1197void
1198ev_prepare_stop (EV_P_ struct ev_prepare *w)
1199{
1200 ev_clear_pending (EV_A_ (W)w);
1201 if (ev_is_active (w))
1202 return;
1203
1204 prepares [w->active - 1] = prepares [--preparecnt];
1205 ev_stop (EV_A_ (W)w);
1206}
1207
1208void
1209ev_check_start (EV_P_ struct ev_check *w)
1210{
1211 if (ev_is_active (w))
1212 return;
1213
1214 ev_start (EV_A_ (W)w, ++checkcnt);
1215 array_needsize (checks, checkmax, checkcnt, );
1216 checks [checkcnt - 1] = w;
1217}
1218
1219void
1220ev_check_stop (EV_P_ struct ev_check *w)
1221{
1222 ev_clear_pending (EV_A_ (W)w);
1223 if (ev_is_active (w))
1224 return;
1225
1226 checks [w->active - 1] = checks [--checkcnt];
1227 ev_stop (EV_A_ (W)w);
1228}
1229
1048#ifndef SA_RESTART 1230#ifndef SA_RESTART
1049# define SA_RESTART 0 1231# define SA_RESTART 0
1050#endif 1232#endif
1051 1233
1052void 1234void
1053ev_signal_start (EV_P_ struct ev_signal *w) 1235ev_signal_start (EV_P_ struct ev_signal *w)
1054{ 1236{
1237#if EV_MULTIPLICITY
1238 assert (("signal watchers are only supported in the default loop", loop == default_loop));
1239#endif
1055 if (ev_is_active (w)) 1240 if (ev_is_active (w))
1056 return; 1241 return;
1057 1242
1058 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1243 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1059 1244
… …
1084 if (!signals [w->signum - 1].head) 1269 if (!signals [w->signum - 1].head)
1085 signal (w->signum, SIG_DFL); 1270 signal (w->signum, SIG_DFL);
1086} 1271}
1087 1272
1088void 1273void
1089ev_idle_start (EV_P_ struct ev_idle *w)
1090{
1091 if (ev_is_active (w))
1092 return;
1093
1094 ev_start (EV_A_ (W)w, ++idlecnt);
1095 array_needsize (idles, idlemax, idlecnt, );
1096 idles [idlecnt - 1] = w;
1097}
1098
1099void
1100ev_idle_stop (EV_P_ struct ev_idle *w)
1101{
1102 ev_clear_pending (EV_A_ (W)w);
1103 if (ev_is_active (w))
1104 return;
1105
1106 idles [w->active - 1] = idles [--idlecnt];
1107 ev_stop (EV_A_ (W)w);
1108}
1109
1110void
1111ev_prepare_start (EV_P_ struct ev_prepare *w)
1112{
1113 if (ev_is_active (w))
1114 return;
1115
1116 ev_start (EV_A_ (W)w, ++preparecnt);
1117 array_needsize (prepares, preparemax, preparecnt, );
1118 prepares [preparecnt - 1] = w;
1119}
1120
1121void
1122ev_prepare_stop (EV_P_ struct ev_prepare *w)
1123{
1124 ev_clear_pending (EV_A_ (W)w);
1125 if (ev_is_active (w))
1126 return;
1127
1128 prepares [w->active - 1] = prepares [--preparecnt];
1129 ev_stop (EV_A_ (W)w);
1130}
1131
1132void
1133ev_check_start (EV_P_ struct ev_check *w)
1134{
1135 if (ev_is_active (w))
1136 return;
1137
1138 ev_start (EV_A_ (W)w, ++checkcnt);
1139 array_needsize (checks, checkmax, checkcnt, );
1140 checks [checkcnt - 1] = w;
1141}
1142
1143void
1144ev_check_stop (EV_P_ struct ev_check *w)
1145{
1146 ev_clear_pending (EV_A_ (W)w);
1147 if (ev_is_active (w))
1148 return;
1149
1150 checks [w->active - 1] = checks [--checkcnt];
1151 ev_stop (EV_A_ (W)w);
1152}
1153
1154void
1155ev_child_start (EV_P_ struct ev_child *w) 1274ev_child_start (EV_P_ struct ev_child *w)
1156{ 1275{
1276#if EV_MULTIPLICITY
1277 assert (("child watchers are only supported in the default loop", loop == default_loop));
1278#endif
1157 if (ev_is_active (w)) 1279 if (ev_is_active (w))
1158 return; 1280 return;
1159 1281
1160 ev_start (EV_A_ (W)w, 1); 1282 ev_start (EV_A_ (W)w, 1);
1161 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1283 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
… …
1233 ev_timer_start (EV_A_ &once->to); 1355 ev_timer_start (EV_A_ &once->to);
1234 } 1356 }
1235 } 1357 }
1236} 1358}
1237 1359
1238/*****************************************************************************/
1239
1240#if 0
1241
1242struct ev_io wio;
1243
1244static void
1245sin_cb (struct ev_io *w, int revents)
1246{
1247 fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1248}
1249
1250static void
1251ocb (struct ev_timer *w, int revents)
1252{
1253 //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1254 ev_timer_stop (w);
1255 ev_timer_start (w);
1256}
1257
1258static void
1259scb (struct ev_signal *w, int revents)
1260{
1261 fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1262 ev_io_stop (&wio);
1263 ev_io_start (&wio);
1264}
1265
1266static void
1267gcb (struct ev_signal *w, int revents)
1268{
1269 fprintf (stderr, "generic %x\n", revents);
1270
1271}
1272
1273int main (void)
1274{
1275 ev_init (0);
1276
1277 ev_io_init (&wio, sin_cb, 0, EV_READ);
1278 ev_io_start (&wio);
1279
1280 struct ev_timer t[10000];
1281
1282#if 0
1283 int i;
1284 for (i = 0; i < 10000; ++i)
1285 {
1286 struct ev_timer *w = t + i;
1287 ev_watcher_init (w, ocb, i);
1288 ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1289 ev_timer_start (w);
1290 if (drand48 () < 0.5)
1291 ev_timer_stop (w);
1292 }
1293#endif
1294
1295 struct ev_timer t1;
1296 ev_timer_init (&t1, ocb, 5, 10);
1297 ev_timer_start (&t1);
1298
1299 struct ev_signal sig;
1300 ev_signal_init (&sig, scb, SIGQUIT);
1301 ev_signal_start (&sig);
1302
1303 struct ev_check cw;
1304 ev_check_init (&cw, gcb);
1305 ev_check_start (&cw);
1306
1307 struct ev_idle iw;
1308 ev_idle_init (&iw, gcb);
1309 ev_idle_start (&iw);
1310
1311 ev_loop (0);
1312
1313 return 0;
1314}
1315
1316#endif
1317
1318
1319
1320

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