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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 1.61 by root, Sun Nov 4 19:45:09 2007 UTC

… …
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */ 30 */
31#ifndef EV_STANDALONE 31#ifndef EV_STANDALONE
32# include "config.h" 32# include "config.h"
33
34# if HAVE_CLOCK_GETTIME
35# define EV_USE_MONOTONIC 1
36# define EV_USE_REALTIME 1
37# endif
38
39# if HAVE_SELECT && HAVE_SYS_SELECT_H
40# define EV_USE_SELECT 1
41# endif
42
43# if HAVE_POLL && HAVE_POLL_H
44# define EV_USE_POLL 1
45# endif
46
47# if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
48# define EV_USE_EPOLL 1
49# endif
50
51# if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H
52# define EV_USE_KQUEUE 1
53# endif
54
33#endif 55#endif
34 56
35#include <math.h> 57#include <math.h>
36#include <stdlib.h> 58#include <stdlib.h>
37#include <unistd.h> 59#include <unistd.h>
… …
58 80
59#ifndef EV_USE_SELECT 81#ifndef EV_USE_SELECT
60# define EV_USE_SELECT 1 82# define EV_USE_SELECT 1
61#endif 83#endif
62 84
63#ifndef EV_USEV_POLL 85#ifndef EV_USE_POLL
64# define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */ 86# define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */
65#endif 87#endif
66 88
67#ifndef EV_USE_EPOLL 89#ifndef EV_USE_EPOLL
68# define EV_USE_EPOLL 0 90# define EV_USE_EPOLL 0
69#endif 91#endif
… …
113 135
114typedef struct ev_watcher *W; 136typedef struct ev_watcher *W;
115typedef struct ev_watcher_list *WL; 137typedef struct ev_watcher_list *WL;
116typedef struct ev_watcher_time *WT; 138typedef struct ev_watcher_time *WT;
117 139
140static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
141
118/*****************************************************************************/ 142/*****************************************************************************/
119 143
120typedef struct 144typedef struct
121{ 145{
122 struct ev_watcher_list *head; 146 struct ev_watcher_list *head;
… …
128{ 152{
129 W w; 153 W w;
130 int events; 154 int events;
131} ANPENDING; 155} ANPENDING;
132 156
133#ifdef EV_MULTIPLICITY 157#if EV_MULTIPLICITY
158
134struct ev_loop 159struct ev_loop
135{ 160{
136# define VAR(name,decl) decl 161# define VAR(name,decl) decl;
137# include "ev_vars.h" 162# include "ev_vars.h"
138}; 163};
164# undef VAR
165# include "ev_wrap.h"
166
139#else 167#else
168
140# define VAR(name,decl) static decl 169# define VAR(name,decl) static decl;
141# include "ev_vars.h" 170# include "ev_vars.h"
142#endif
143#undef VAR 171# undef VAR
172
173#endif
144 174
145/*****************************************************************************/ 175/*****************************************************************************/
146 176
147inline ev_tstamp 177inline ev_tstamp
148ev_time (void) 178ev_time (void)
… …
330 fd_kill (EV_A_ fd); 360 fd_kill (EV_A_ fd);
331 return; 361 return;
332 } 362 }
333} 363}
334 364
365/* susually called after fork if method needs to re-arm all fds from scratch */
366static void
367fd_rearm_all (EV_P)
368{
369 int fd;
370
371 /* this should be highly optimised to not do anything but set a flag */
372 for (fd = 0; fd < anfdmax; ++fd)
373 if (anfds [fd].events)
374 {
375 anfds [fd].events = 0;
376 fd_change (EV_A_ fd);
377 }
378}
379
335/*****************************************************************************/ 380/*****************************************************************************/
336 381
337static void 382static void
338upheap (WT *timers, int k) 383upheap (WT *heap, int k)
339{ 384{
340 WT w = timers [k]; 385 WT w = heap [k];
341 386
342 while (k && timers [k >> 1]->at > w->at) 387 while (k && heap [k >> 1]->at > w->at)
343 { 388 {
344 timers [k] = timers [k >> 1]; 389 heap [k] = heap [k >> 1];
345 timers [k]->active = k + 1; 390 heap [k]->active = k + 1;
346 k >>= 1; 391 k >>= 1;
347 } 392 }
348 393
349 timers [k] = w; 394 heap [k] = w;
350 timers [k]->active = k + 1; 395 heap [k]->active = k + 1;
351 396
352} 397}
353 398
354static void 399static void
355downheap (WT *timers, int N, int k) 400downheap (WT *heap, int N, int k)
356{ 401{
357 WT w = timers [k]; 402 WT w = heap [k];
358 403
359 while (k < (N >> 1)) 404 while (k < (N >> 1))
360 { 405 {
361 int j = k << 1; 406 int j = k << 1;
362 407
363 if (j + 1 < N && timers [j]->at > timers [j + 1]->at) 408 if (j + 1 < N && heap [j]->at > heap [j + 1]->at)
364 ++j; 409 ++j;
365 410
366 if (w->at <= timers [j]->at) 411 if (w->at <= heap [j]->at)
367 break; 412 break;
368 413
369 timers [k] = timers [j]; 414 heap [k] = heap [j];
370 timers [k]->active = k + 1; 415 heap [k]->active = k + 1;
371 k = j; 416 k = j;
372 } 417 }
373 418
374 timers [k] = w; 419 heap [k] = w;
375 timers [k]->active = k + 1; 420 heap [k]->active = k + 1;
376} 421}
377 422
378/*****************************************************************************/ 423/*****************************************************************************/
379 424
380typedef struct 425typedef struct
… …
386static ANSIG *signals; 431static ANSIG *signals;
387static int signalmax; 432static int signalmax;
388 433
389static int sigpipe [2]; 434static int sigpipe [2];
390static sig_atomic_t volatile gotsig; 435static sig_atomic_t volatile gotsig;
436static struct ev_io sigev;
391 437
392static void 438static void
393signals_init (ANSIG *base, int count) 439signals_init (ANSIG *base, int count)
394{ 440{
395 while (count--) 441 while (count--)
… …
445 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); 491 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
446 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); 492 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
447#endif 493#endif
448 494
449 ev_io_set (&sigev, sigpipe [0], EV_READ); 495 ev_io_set (&sigev, sigpipe [0], EV_READ);
450 ev_io_start (&sigev); 496 ev_io_start (EV_A_ &sigev);
451 ev_unref (EV_A); /* child watcher should not keep loop alive */ 497 ev_unref (EV_A); /* child watcher should not keep loop alive */
452} 498}
453 499
454/*****************************************************************************/ 500/*****************************************************************************/
455 501
456#ifndef WIN32 502#ifndef WIN32
503
504static struct ev_child *childs [PID_HASHSIZE];
505static struct ev_signal childev;
457 506
458#ifndef WCONTINUED 507#ifndef WCONTINUED
459# define WCONTINUED 0 508# define WCONTINUED 0
460#endif 509#endif
461 510
… …
497# include "ev_kqueue.c" 546# include "ev_kqueue.c"
498#endif 547#endif
499#if EV_USE_EPOLL 548#if EV_USE_EPOLL
500# include "ev_epoll.c" 549# include "ev_epoll.c"
501#endif 550#endif
502#if EV_USEV_POLL 551#if EV_USE_POLL
503# include "ev_poll.c" 552# include "ev_poll.c"
504#endif 553#endif
505#if EV_USE_SELECT 554#if EV_USE_SELECT
506# include "ev_select.c" 555# include "ev_select.c"
507#endif 556#endif
… …
534ev_method (EV_P) 583ev_method (EV_P)
535{ 584{
536 return method; 585 return method;
537} 586}
538 587
539int 588static void
540ev_init (EV_P_ int methods) 589loop_init (EV_P_ int methods)
541{ 590{
542#ifdef EV_MULTIPLICITY
543 memset (loop, 0, sizeof (struct ev_loop));
544#endif
545
546 if (!method) 591 if (!method)
547 { 592 {
548#if EV_USE_MONOTONIC 593#if EV_USE_MONOTONIC
549 { 594 {
550 struct timespec ts; 595 struct timespec ts;
… …
554#endif 599#endif
555 600
556 rt_now = ev_time (); 601 rt_now = ev_time ();
557 mn_now = get_clock (); 602 mn_now = get_clock ();
558 now_floor = mn_now; 603 now_floor = mn_now;
559 diff = rt_now - mn_now; 604 rtmn_diff = rt_now - mn_now;
560
561 if (pipe (sigpipe))
562 return 0;
563 605
564 if (methods == EVMETHOD_AUTO) 606 if (methods == EVMETHOD_AUTO)
565 if (!enable_secure () && getenv ("LIBmethodS")) 607 if (!enable_secure () && getenv ("LIBEV_METHODS"))
566 methods = atoi (getenv ("LIBmethodS")); 608 methods = atoi (getenv ("LIBEV_METHODS"));
567 else 609 else
568 methods = EVMETHOD_ANY; 610 methods = EVMETHOD_ANY;
569 611
570 method = 0; 612 method = 0;
571#if EV_USE_KQUEUE 613#if EV_USE_KQUEUE
572 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); 614 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
573#endif 615#endif
574#if EV_USE_EPOLL 616#if EV_USE_EPOLL
575 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); 617 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
576#endif 618#endif
577#if EV_USEV_POLL 619#if EV_USE_POLL
578 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); 620 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
579#endif 621#endif
580#if EV_USE_SELECT 622#if EV_USE_SELECT
581 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); 623 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
582#endif 624#endif
625 }
626}
583 627
628void
629loop_destroy (EV_P)
630{
631#if EV_USE_KQUEUE
632 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
633#endif
634#if EV_USE_EPOLL
635 if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
636#endif
637#if EV_USE_POLL
638 if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
639#endif
640#if EV_USE_SELECT
641 if (method == EVMETHOD_SELECT) select_destroy (EV_A);
642#endif
643
644 method = 0;
645 /*TODO*/
646}
647
648void
649loop_fork (EV_P)
650{
651 /*TODO*/
652#if EV_USE_EPOLL
653 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
654#endif
655#if EV_USE_KQUEUE
656 if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
657#endif
658}
659
660#if EV_MULTIPLICITY
661struct ev_loop *
662ev_loop_new (int methods)
663{
664 struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop));
665
666 loop_init (EV_A_ methods);
667
668 if (ev_method (EV_A))
669 return loop;
670
671 return 0;
672}
673
674void
675ev_loop_destroy (EV_P)
676{
677 loop_destroy (EV_A);
678 free (loop);
679}
680
681void
682ev_loop_fork (EV_P)
683{
684 loop_fork (EV_A);
685}
686
687#endif
688
689#if EV_MULTIPLICITY
690struct ev_loop default_loop_struct;
691static struct ev_loop *default_loop;
692
693struct ev_loop *
694#else
695static int default_loop;
696
697int
698#endif
699ev_default_loop (int methods)
700{
701 if (sigpipe [0] == sigpipe [1])
702 if (pipe (sigpipe))
703 return 0;
704
705 if (!default_loop)
706 {
707#if EV_MULTIPLICITY
708 struct ev_loop *loop = default_loop = &default_loop_struct;
709#else
710 default_loop = 1;
711#endif
712
713 loop_init (EV_A_ methods);
714
584 if (method) 715 if (ev_method (EV_A))
585 { 716 {
586 ev_watcher_init (&sigev, sigcb); 717 ev_watcher_init (&sigev, sigcb);
587 ev_set_priority (&sigev, EV_MAXPRI); 718 ev_set_priority (&sigev, EV_MAXPRI);
588 siginit (EV_A); 719 siginit (EV_A);
589 720
… …
592 ev_set_priority (&childev, EV_MAXPRI); 723 ev_set_priority (&childev, EV_MAXPRI);
593 ev_signal_start (EV_A_ &childev); 724 ev_signal_start (EV_A_ &childev);
594 ev_unref (EV_A); /* child watcher should not keep loop alive */ 725 ev_unref (EV_A); /* child watcher should not keep loop alive */
595#endif 726#endif
596 } 727 }
728 else
729 default_loop = 0;
597 } 730 }
598 731
599 return method; 732 return default_loop;
600} 733}
601 734
602/*****************************************************************************/
603
604void 735void
605ev_fork_prepare (void) 736ev_default_destroy (void)
606{ 737{
607 /* nop */ 738#if EV_MULTIPLICITY
608} 739 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 740#endif
623 741
742 ev_ref (EV_A); /* child watcher */
743 ev_signal_stop (EV_A_ &childev);
744
745 ev_ref (EV_A); /* signal watcher */
624 ev_io_stop (&sigev); 746 ev_io_stop (EV_A_ &sigev);
747
748 close (sigpipe [0]); sigpipe [0] = 0;
749 close (sigpipe [1]); sigpipe [1] = 0;
750
751 loop_destroy (EV_A);
752}
753
754void
755ev_default_fork (void)
756{
757#if EV_MULTIPLICITY
758 struct ev_loop *loop = default_loop;
759#endif
760
761 loop_fork (EV_A);
762
763 ev_io_stop (EV_A_ &sigev);
625 close (sigpipe [0]); 764 close (sigpipe [0]);
626 close (sigpipe [1]); 765 close (sigpipe [1]);
627 pipe (sigpipe); 766 pipe (sigpipe);
767
768 ev_ref (EV_A); /* signal watcher */
628 siginit (); 769 siginit (EV_A);
629} 770}
630 771
631/*****************************************************************************/ 772/*****************************************************************************/
632 773
633static void 774static void
… …
652timers_reify (EV_P) 793timers_reify (EV_P)
653{ 794{
654 while (timercnt && timers [0]->at <= mn_now) 795 while (timercnt && timers [0]->at <= mn_now)
655 { 796 {
656 struct ev_timer *w = timers [0]; 797 struct ev_timer *w = timers [0];
798
799 assert (("inactive timer on timer heap detected", ev_is_active (w)));
657 800
658 /* first reschedule or stop timer */ 801 /* first reschedule or stop timer */
659 if (w->repeat) 802 if (w->repeat)
660 { 803 {
661 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 804 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
… …
663 downheap ((WT *)timers, timercnt, 0); 806 downheap ((WT *)timers, timercnt, 0);
664 } 807 }
665 else 808 else
666 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 809 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
667 810
668 event ((W)w, EV_TIMEOUT); 811 event (EV_A_ (W)w, EV_TIMEOUT);
669 } 812 }
670} 813}
671 814
672static void 815static void
673periodics_reify (EV_P) 816periodics_reify (EV_P)
674{ 817{
675 while (periodiccnt && periodics [0]->at <= rt_now) 818 while (periodiccnt && periodics [0]->at <= rt_now)
676 { 819 {
677 struct ev_periodic *w = periodics [0]; 820 struct ev_periodic *w = periodics [0];
821
822 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
678 823
679 /* first reschedule or stop timer */ 824 /* first reschedule or stop timer */
680 if (w->interval) 825 if (w->interval)
681 { 826 {
682 w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; 827 w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;
… …
689 event (EV_A_ (W)w, EV_PERIODIC); 834 event (EV_A_ (W)w, EV_PERIODIC);
690 } 835 }
691} 836}
692 837
693static void 838static void
694periodics_reschedule (EV_P_ ev_tstamp diff) 839periodics_reschedule (EV_P)
695{ 840{
696 int i; 841 int i;
697 842
698 /* adjust periodics after time jump */ 843 /* adjust periodics after time jump */
699 for (i = 0; i < periodiccnt; ++i) 844 for (i = 0; i < periodiccnt; ++i)
… …
720{ 865{
721 mn_now = get_clock (); 866 mn_now = get_clock ();
722 867
723 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 868 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
724 { 869 {
725 rt_now = mn_now + diff; 870 rt_now = rtmn_diff + mn_now;
726 return 0; 871 return 0;
727 } 872 }
728 else 873 else
729 { 874 {
730 now_floor = mn_now; 875 now_floor = mn_now;
… …
741#if EV_USE_MONOTONIC 886#if EV_USE_MONOTONIC
742 if (expect_true (have_monotonic)) 887 if (expect_true (have_monotonic))
743 { 888 {
744 if (time_update_monotonic (EV_A)) 889 if (time_update_monotonic (EV_A))
745 { 890 {
746 ev_tstamp odiff = diff; 891 ev_tstamp odiff = rtmn_diff;
747 892
748 for (i = 4; --i; ) /* loop a few times, before making important decisions */ 893 for (i = 4; --i; ) /* loop a few times, before making important decisions */
749 { 894 {
750 diff = rt_now - mn_now; 895 rtmn_diff = rt_now - mn_now;
751 896
752 if (fabs (odiff - diff) < MIN_TIMEJUMP) 897 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
753 return; /* all is well */ 898 return; /* all is well */
754 899
755 rt_now = ev_time (); 900 rt_now = ev_time ();
756 mn_now = get_clock (); 901 mn_now = get_clock ();
757 now_floor = mn_now; 902 now_floor = mn_now;
758 } 903 }
759 904
760 periodics_reschedule (EV_A_ diff - odiff); 905 periodics_reschedule (EV_A);
761 /* no timer adjustment, as the monotonic clock doesn't jump */ 906 /* no timer adjustment, as the monotonic clock doesn't jump */
907 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */
762 } 908 }
763 } 909 }
764 else 910 else
765#endif 911#endif
766 { 912 {
767 rt_now = ev_time (); 913 rt_now = ev_time ();
768 914
769 if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) 915 if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))
770 { 916 {
771 periodics_reschedule (EV_A_ rt_now - mn_now); 917 periodics_reschedule (EV_A);
772 918
773 /* adjust timers. this is easy, as the offset is the same for all */ 919 /* adjust timers. this is easy, as the offset is the same for all */
774 for (i = 0; i < timercnt; ++i) 920 for (i = 0; i < timercnt; ++i)
775 timers [i]->at += diff; 921 timers [i]->at += rt_now - mn_now;
776 } 922 }
777 923
778 mn_now = rt_now; 924 mn_now = rt_now;
779 } 925 }
780} 926}
… …
1043 } 1189 }
1044 1190
1045 ev_stop (EV_A_ (W)w); 1191 ev_stop (EV_A_ (W)w);
1046} 1192}
1047 1193
1194void
1195ev_idle_start (EV_P_ struct ev_idle *w)
1196{
1197 if (ev_is_active (w))
1198 return;
1199
1200 ev_start (EV_A_ (W)w, ++idlecnt);
1201 array_needsize (idles, idlemax, idlecnt, );
1202 idles [idlecnt - 1] = w;
1203}
1204
1205void
1206ev_idle_stop (EV_P_ struct ev_idle *w)
1207{
1208 ev_clear_pending (EV_A_ (W)w);
1209 if (ev_is_active (w))
1210 return;
1211
1212 idles [w->active - 1] = idles [--idlecnt];
1213 ev_stop (EV_A_ (W)w);
1214}
1215
1216void
1217ev_prepare_start (EV_P_ struct ev_prepare *w)
1218{
1219 if (ev_is_active (w))
1220 return;
1221
1222 ev_start (EV_A_ (W)w, ++preparecnt);
1223 array_needsize (prepares, preparemax, preparecnt, );
1224 prepares [preparecnt - 1] = w;
1225}
1226
1227void
1228ev_prepare_stop (EV_P_ struct ev_prepare *w)
1229{
1230 ev_clear_pending (EV_A_ (W)w);
1231 if (ev_is_active (w))
1232 return;
1233
1234 prepares [w->active - 1] = prepares [--preparecnt];
1235 ev_stop (EV_A_ (W)w);
1236}
1237
1238void
1239ev_check_start (EV_P_ struct ev_check *w)
1240{
1241 if (ev_is_active (w))
1242 return;
1243
1244 ev_start (EV_A_ (W)w, ++checkcnt);
1245 array_needsize (checks, checkmax, checkcnt, );
1246 checks [checkcnt - 1] = w;
1247}
1248
1249void
1250ev_check_stop (EV_P_ struct ev_check *w)
1251{
1252 ev_clear_pending (EV_A_ (W)w);
1253 if (ev_is_active (w))
1254 return;
1255
1256 checks [w->active - 1] = checks [--checkcnt];
1257 ev_stop (EV_A_ (W)w);
1258}
1259
1048#ifndef SA_RESTART 1260#ifndef SA_RESTART
1049# define SA_RESTART 0 1261# define SA_RESTART 0
1050#endif 1262#endif
1051 1263
1052void 1264void
1053ev_signal_start (EV_P_ struct ev_signal *w) 1265ev_signal_start (EV_P_ struct ev_signal *w)
1054{ 1266{
1267#if EV_MULTIPLICITY
1268 assert (("signal watchers are only supported in the default loop", loop == default_loop));
1269#endif
1055 if (ev_is_active (w)) 1270 if (ev_is_active (w))
1056 return; 1271 return;
1057 1272
1058 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1273 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1059 1274
… …
1084 if (!signals [w->signum - 1].head) 1299 if (!signals [w->signum - 1].head)
1085 signal (w->signum, SIG_DFL); 1300 signal (w->signum, SIG_DFL);
1086} 1301}
1087 1302
1088void 1303void
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) 1304ev_child_start (EV_P_ struct ev_child *w)
1156{ 1305{
1306#if EV_MULTIPLICITY
1307 assert (("child watchers are only supported in the default loop", loop == default_loop));
1308#endif
1157 if (ev_is_active (w)) 1309 if (ev_is_active (w))
1158 return; 1310 return;
1159 1311
1160 ev_start (EV_A_ (W)w, 1); 1312 ev_start (EV_A_ (W)w, 1);
1161 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1313 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
… …
1233 ev_timer_start (EV_A_ &once->to); 1385 ev_timer_start (EV_A_ &once->to);
1234 } 1386 }
1235 } 1387 }
1236} 1388}
1237 1389
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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