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Comparing libev/ev.c (file contents):
Revision 1.55 by root, Sun Nov 4 00:39:24 2007 UTC vs.
Revision 1.63 by root, Sun Nov 4 22:03:17 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
70 92
71#ifndef EV_USE_KQUEUE 93#ifndef EV_USE_KQUEUE
72# define EV_USE_KQUEUE 0 94# define EV_USE_KQUEUE 0
95#endif
96
97#ifndef EV_USE_WIN32
98# ifdef WIN32
99# define EV_USE_WIN32 1
100# else
101# define EV_USE_WIN32 0
102# endif
73#endif 103#endif
74 104
75#ifndef EV_USE_REALTIME 105#ifndef EV_USE_REALTIME
76# define EV_USE_REALTIME 1 106# define EV_USE_REALTIME 1
77#endif 107#endif
… …
327 357
328/* called on ENOMEM in select/poll to kill some fds and retry */ 358/* called on ENOMEM in select/poll to kill some fds and retry */
329static void 359static void
330fd_enomem (EV_P) 360fd_enomem (EV_P)
331{ 361{
332 int fd = anfdmax; 362 int fd;
333 363
334 while (fd--) 364 for (fd = anfdmax; fd--; )
335 if (anfds [fd].events) 365 if (anfds [fd].events)
336 { 366 {
337 close (fd); 367 close (fd);
338 fd_kill (EV_A_ fd); 368 fd_kill (EV_A_ fd);
339 return; 369 return;
340 } 370 }
341} 371}
342 372
373/* susually called after fork if method needs to re-arm all fds from scratch */
374static void
375fd_rearm_all (EV_P)
376{
377 int fd;
378
379 /* this should be highly optimised to not do anything but set a flag */
380 for (fd = 0; fd < anfdmax; ++fd)
381 if (anfds [fd].events)
382 {
383 anfds [fd].events = 0;
384 fd_change (EV_A_ fd);
385 }
386}
387
343/*****************************************************************************/ 388/*****************************************************************************/
344 389
345static void 390static void
346upheap (WT *heap, int k) 391upheap (WT *heap, int k)
347{ 392{
348 WT w = heap [k]; 393 WT w = heap [k];
349 394
350 while (k && heap [k >> 1]->at > w->at) 395 while (k && heap [k >> 1]->at > w->at)
351 { 396 {
352 heap [k] = heap [k >> 1]; 397 heap [k] = heap [k >> 1];
353 heap [k]->active = k + 1; 398 ((W)heap [k])->active = k + 1;
354 k >>= 1; 399 k >>= 1;
355 } 400 }
356 401
357 heap [k] = w; 402 heap [k] = w;
358 heap [k]->active = k + 1; 403 ((W)heap [k])->active = k + 1;
359 404
360} 405}
361 406
362static void 407static void
363downheap (WT *heap, int N, int k) 408downheap (WT *heap, int N, int k)
… …
373 418
374 if (w->at <= heap [j]->at) 419 if (w->at <= heap [j]->at)
375 break; 420 break;
376 421
377 heap [k] = heap [j]; 422 heap [k] = heap [j];
378 heap [k]->active = k + 1; 423 ((W)heap [k])->active = k + 1;
379 k = j; 424 k = j;
380 } 425 }
381 426
382 heap [k] = w; 427 heap [k] = w;
383 heap [k]->active = k + 1; 428 ((W)heap [k])->active = k + 1;
384} 429}
385 430
386/*****************************************************************************/ 431/*****************************************************************************/
387 432
388typedef struct 433typedef struct
… …
394static ANSIG *signals; 439static ANSIG *signals;
395static int signalmax; 440static int signalmax;
396 441
397static int sigpipe [2]; 442static int sigpipe [2];
398static sig_atomic_t volatile gotsig; 443static sig_atomic_t volatile gotsig;
444static struct ev_io sigev;
399 445
400static void 446static void
401signals_init (ANSIG *base, int count) 447signals_init (ANSIG *base, int count)
402{ 448{
403 while (count--) 449 while (count--)
… …
461 507
462/*****************************************************************************/ 508/*****************************************************************************/
463 509
464#ifndef WIN32 510#ifndef WIN32
465 511
512static struct ev_child *childs [PID_HASHSIZE];
513static struct ev_signal childev;
514
466#ifndef WCONTINUED 515#ifndef WCONTINUED
467# define WCONTINUED 0 516# define WCONTINUED 0
468#endif 517#endif
469 518
470static void 519static void
… …
473 struct ev_child *w; 522 struct ev_child *w;
474 523
475 for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) 524 for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next)
476 if (w->pid == pid || !w->pid) 525 if (w->pid == pid || !w->pid)
477 { 526 {
478 w->priority = sw->priority; /* need to do it *now* */ 527 ev_priority (w) = ev_priority (sw); /* need to do it *now* */
479 w->rpid = pid; 528 w->rpid = pid;
480 w->rstatus = status; 529 w->rstatus = status;
481 event (EV_A_ (W)w, EV_CHILD); 530 event (EV_A_ (W)w, EV_CHILD);
482 } 531 }
483} 532}
484 533
485static void 534static void
… …
505# include "ev_kqueue.c" 554# include "ev_kqueue.c"
506#endif 555#endif
507#if EV_USE_EPOLL 556#if EV_USE_EPOLL
508# include "ev_epoll.c" 557# include "ev_epoll.c"
509#endif 558#endif
510#if EV_USEV_POLL 559#if EV_USE_POLL
511# include "ev_poll.c" 560# include "ev_poll.c"
512#endif 561#endif
513#if EV_USE_SELECT 562#if EV_USE_SELECT
514# include "ev_select.c" 563# include "ev_select.c"
515#endif 564#endif
… …
542ev_method (EV_P) 591ev_method (EV_P)
543{ 592{
544 return method; 593 return method;
545} 594}
546 595
547inline int 596static void
548loop_init (EV_P_ int methods) 597loop_init (EV_P_ int methods)
549{ 598{
550 if (!method) 599 if (!method)
551 { 600 {
552#if EV_USE_MONOTONIC 601#if EV_USE_MONOTONIC
… …
560 rt_now = ev_time (); 609 rt_now = ev_time ();
561 mn_now = get_clock (); 610 mn_now = get_clock ();
562 now_floor = mn_now; 611 now_floor = mn_now;
563 rtmn_diff = rt_now - mn_now; 612 rtmn_diff = rt_now - mn_now;
564 613
565 if (pipe (sigpipe))
566 return 0;
567
568 if (methods == EVMETHOD_AUTO) 614 if (methods == EVMETHOD_AUTO)
569 if (!enable_secure () && getenv ("LIBmethodS")) 615 if (!enable_secure () && getenv ("LIBEV_METHODS"))
570 methods = atoi (getenv ("LIBmethodS")); 616 methods = atoi (getenv ("LIBEV_METHODS"));
571 else 617 else
572 methods = EVMETHOD_ANY; 618 methods = EVMETHOD_ANY;
573 619
574 method = 0; 620 method = 0;
621#if EV_USE_WIN32
622 if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods);
623#endif
575#if EV_USE_KQUEUE 624#if EV_USE_KQUEUE
576 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); 625 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods);
577#endif 626#endif
578#if EV_USE_EPOLL 627#if EV_USE_EPOLL
579 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); 628 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods);
580#endif 629#endif
581#if EV_USEV_POLL 630#if EV_USE_POLL
582 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); 631 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods);
583#endif 632#endif
584#if EV_USE_SELECT 633#if EV_USE_SELECT
585 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); 634 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods);
586#endif 635#endif
636 }
637}
587 638
639void
640loop_destroy (EV_P)
641{
642#if EV_USE_WIN32
643 if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
644#endif
645#if EV_USE_KQUEUE
646 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
647#endif
648#if EV_USE_EPOLL
649 if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A);
650#endif
651#if EV_USE_POLL
652 if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
653#endif
654#if EV_USE_SELECT
655 if (method == EVMETHOD_SELECT) select_destroy (EV_A);
656#endif
657
658 method = 0;
659 /*TODO*/
660}
661
662void
663loop_fork (EV_P)
664{
665 /*TODO*/
666#if EV_USE_EPOLL
667 if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A);
668#endif
669#if EV_USE_KQUEUE
670 if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A);
671#endif
672}
673
674#if EV_MULTIPLICITY
675struct ev_loop *
676ev_loop_new (int methods)
677{
678 struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop));
679
680 loop_init (EV_A_ methods);
681
682 if (ev_method (EV_A))
683 return loop;
684
685 return 0;
686}
687
688void
689ev_loop_destroy (EV_P)
690{
691 loop_destroy (EV_A);
692 free (loop);
693}
694
695void
696ev_loop_fork (EV_P)
697{
698 loop_fork (EV_A);
699}
700
701#endif
702
703#if EV_MULTIPLICITY
704struct ev_loop default_loop_struct;
705static struct ev_loop *default_loop;
706
707struct ev_loop *
708#else
709static int default_loop;
710
711int
712#endif
713ev_default_loop (int methods)
714{
715 if (sigpipe [0] == sigpipe [1])
716 if (pipe (sigpipe))
717 return 0;
718
719 if (!default_loop)
720 {
721#if EV_MULTIPLICITY
722 struct ev_loop *loop = default_loop = &default_loop_struct;
723#else
724 default_loop = 1;
725#endif
726
727 loop_init (EV_A_ methods);
728
588 if (method) 729 if (ev_method (EV_A))
589 { 730 {
590 ev_watcher_init (&sigev, sigcb); 731 ev_watcher_init (&sigev, sigcb);
591 ev_set_priority (&sigev, EV_MAXPRI); 732 ev_set_priority (&sigev, EV_MAXPRI);
592 siginit (EV_A); 733 siginit (EV_A);
593 734
… …
596 ev_set_priority (&childev, EV_MAXPRI); 737 ev_set_priority (&childev, EV_MAXPRI);
597 ev_signal_start (EV_A_ &childev); 738 ev_signal_start (EV_A_ &childev);
598 ev_unref (EV_A); /* child watcher should not keep loop alive */ 739 ev_unref (EV_A); /* child watcher should not keep loop alive */
599#endif 740#endif
600 } 741 }
742 else
743 default_loop = 0;
601 } 744 }
602 745
603 return method; 746 return default_loop;
604} 747}
605 748
749void
750ev_default_destroy (void)
751{
606#if EV_MULTIPLICITY 752#if EV_MULTIPLICITY
607 753 struct ev_loop *loop = default_loop;
608struct ev_loop *
609ev_loop_new (int methods)
610{
611 struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop));
612
613 if (loop_init (EV_A_ methods))
614 return loop;
615
616 ev_loop_delete (loop);
617
618 return 0;
619}
620
621void
622ev_loop_delete (EV_P)
623{
624 /*TODO*/
625 free (loop);
626}
627
628#else
629
630int
631ev_init (int methods)
632{
633 return loop_init (methods);
634}
635
636#endif 754#endif
637 755
638/*****************************************************************************/ 756 ev_ref (EV_A); /* child watcher */
757 ev_signal_stop (EV_A_ &childev);
639 758
640void 759 ev_ref (EV_A); /* signal watcher */
641ev_fork_prepare (void) 760 ev_io_stop (EV_A_ &sigev);
642{
643 /* nop */
644}
645 761
646void 762 close (sigpipe [0]); sigpipe [0] = 0;
647ev_fork_parent (void) 763 close (sigpipe [1]); sigpipe [1] = 0;
648{
649 /* nop */
650}
651 764
765 loop_destroy (EV_A);
766}
767
652void 768void
653ev_fork_child (void) 769ev_default_fork (void)
654{ 770{
655 /*TODO*/
656#if !EV_MULTIPLICITY 771#if EV_MULTIPLICITY
657#if EV_USE_EPOLL 772 struct ev_loop *loop = default_loop;
658 if (method == EVMETHOD_EPOLL)
659 epoll_postfork_child (EV_A);
660#endif 773#endif
774
775 loop_fork (EV_A);
661 776
662 ev_io_stop (EV_A_ &sigev); 777 ev_io_stop (EV_A_ &sigev);
663 close (sigpipe [0]); 778 close (sigpipe [0]);
664 close (sigpipe [1]); 779 close (sigpipe [1]);
665 pipe (sigpipe); 780 pipe (sigpipe);
781
782 ev_ref (EV_A); /* signal watcher */
666 siginit (EV_A); 783 siginit (EV_A);
667#endif
668} 784}
669 785
670/*****************************************************************************/ 786/*****************************************************************************/
671 787
672static void 788static void
… …
680 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 796 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
681 797
682 if (p->w) 798 if (p->w)
683 { 799 {
684 p->w->pending = 0; 800 p->w->pending = 0;
801
685 p->w->cb (EV_A_ p->w, p->events); 802 (*(void (**)(EV_P_ W, int))&p->w->cb) (EV_A_ p->w, p->events);
686 } 803 }
687 } 804 }
688} 805}
689 806
690static void 807static void
691timers_reify (EV_P) 808timers_reify (EV_P)
692{ 809{
693 while (timercnt && timers [0]->at <= mn_now) 810 while (timercnt && ((WT)timers [0])->at <= mn_now)
694 { 811 {
695 struct ev_timer *w = timers [0]; 812 struct ev_timer *w = timers [0];
813
814 assert (("inactive timer on timer heap detected", ev_is_active (w)));
696 815
697 /* first reschedule or stop timer */ 816 /* first reschedule or stop timer */
698 if (w->repeat) 817 if (w->repeat)
699 { 818 {
700 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 819 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
701 w->at = mn_now + w->repeat; 820 ((WT)w)->at = mn_now + w->repeat;
702 downheap ((WT *)timers, timercnt, 0); 821 downheap ((WT *)timers, timercnt, 0);
703 } 822 }
704 else 823 else
705 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 824 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
706 825
… …
709} 828}
710 829
711static void 830static void
712periodics_reify (EV_P) 831periodics_reify (EV_P)
713{ 832{
714 while (periodiccnt && periodics [0]->at <= rt_now) 833 while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
715 { 834 {
716 struct ev_periodic *w = periodics [0]; 835 struct ev_periodic *w = periodics [0];
836
837 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
717 838
718 /* first reschedule or stop timer */ 839 /* first reschedule or stop timer */
719 if (w->interval) 840 if (w->interval)
720 { 841 {
721 w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; 842 ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
722 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); 843 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
723 downheap ((WT *)periodics, periodiccnt, 0); 844 downheap ((WT *)periodics, periodiccnt, 0);
724 } 845 }
725 else 846 else
726 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 847 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
727 848
… …
739 { 860 {
740 struct ev_periodic *w = periodics [i]; 861 struct ev_periodic *w = periodics [i];
741 862
742 if (w->interval) 863 if (w->interval)
743 { 864 {
744 ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; 865 ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
745 866
746 if (fabs (diff) >= 1e-4) 867 if (fabs (diff) >= 1e-4)
747 { 868 {
748 ev_periodic_stop (EV_A_ w); 869 ev_periodic_stop (EV_A_ w);
749 ev_periodic_start (EV_A_ w); 870 ev_periodic_start (EV_A_ w);
… …
810 { 931 {
811 periodics_reschedule (EV_A); 932 periodics_reschedule (EV_A);
812 933
813 /* adjust timers. this is easy, as the offset is the same for all */ 934 /* adjust timers. this is easy, as the offset is the same for all */
814 for (i = 0; i < timercnt; ++i) 935 for (i = 0; i < timercnt; ++i)
815 timers [i]->at += rt_now - mn_now; 936 ((WT)timers [i])->at += rt_now - mn_now;
816 } 937 }
817 938
818 mn_now = rt_now; 939 mn_now = rt_now;
819 } 940 }
820} 941}
… …
871 { 992 {
872 block = MAX_BLOCKTIME; 993 block = MAX_BLOCKTIME;
873 994
874 if (timercnt) 995 if (timercnt)
875 { 996 {
876 ev_tstamp to = timers [0]->at - mn_now + method_fudge; 997 ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
877 if (block > to) block = to; 998 if (block > to) block = to;
878 } 999 }
879 1000
880 if (periodiccnt) 1001 if (periodiccnt)
881 { 1002 {
882 ev_tstamp to = periodics [0]->at - rt_now + method_fudge; 1003 ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
883 if (block > to) block = to; 1004 if (block > to) block = to;
884 } 1005 }
885 1006
886 if (block < 0.) block = 0.; 1007 if (block < 0.) block = 0.;
887 } 1008 }
… …
1004ev_timer_start (EV_P_ struct ev_timer *w) 1125ev_timer_start (EV_P_ struct ev_timer *w)
1005{ 1126{
1006 if (ev_is_active (w)) 1127 if (ev_is_active (w))
1007 return; 1128 return;
1008 1129
1009 w->at += mn_now; 1130 ((WT)w)->at += mn_now;
1010 1131
1011 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1132 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1012 1133
1013 ev_start (EV_A_ (W)w, ++timercnt); 1134 ev_start (EV_A_ (W)w, ++timercnt);
1014 array_needsize (timers, timermax, timercnt, ); 1135 array_needsize (timers, timermax, timercnt, );
1015 timers [timercnt - 1] = w; 1136 timers [timercnt - 1] = w;
1016 upheap ((WT *)timers, timercnt - 1); 1137 upheap ((WT *)timers, timercnt - 1);
1138
1139 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1017} 1140}
1018 1141
1019void 1142void
1020ev_timer_stop (EV_P_ struct ev_timer *w) 1143ev_timer_stop (EV_P_ struct ev_timer *w)
1021{ 1144{
1022 ev_clear_pending (EV_A_ (W)w); 1145 ev_clear_pending (EV_A_ (W)w);
1023 if (!ev_is_active (w)) 1146 if (!ev_is_active (w))
1024 return; 1147 return;
1025 1148
1149 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1150
1026 if (w->active < timercnt--) 1151 if (((W)w)->active < timercnt--)
1027 { 1152 {
1028 timers [w->active - 1] = timers [timercnt]; 1153 timers [((W)w)->active - 1] = timers [timercnt];
1029 downheap ((WT *)timers, timercnt, w->active - 1); 1154 downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1030 } 1155 }
1031 1156
1032 w->at = w->repeat; 1157 ((WT)w)->at = w->repeat;
1033 1158
1034 ev_stop (EV_A_ (W)w); 1159 ev_stop (EV_A_ (W)w);
1035} 1160}
1036 1161
1037void 1162void
… …
1039{ 1164{
1040 if (ev_is_active (w)) 1165 if (ev_is_active (w))
1041 { 1166 {
1042 if (w->repeat) 1167 if (w->repeat)
1043 { 1168 {
1044 w->at = mn_now + w->repeat; 1169 ((WT)w)->at = mn_now + w->repeat;
1045 downheap ((WT *)timers, timercnt, w->active - 1); 1170 downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1046 } 1171 }
1047 else 1172 else
1048 ev_timer_stop (EV_A_ w); 1173 ev_timer_stop (EV_A_ w);
1049 } 1174 }
1050 else if (w->repeat) 1175 else if (w->repeat)
… …
1059 1184
1060 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 1185 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1061 1186
1062 /* this formula differs from the one in periodic_reify because we do not always round up */ 1187 /* this formula differs from the one in periodic_reify because we do not always round up */
1063 if (w->interval) 1188 if (w->interval)
1064 w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; 1189 ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
1065 1190
1066 ev_start (EV_A_ (W)w, ++periodiccnt); 1191 ev_start (EV_A_ (W)w, ++periodiccnt);
1067 array_needsize (periodics, periodicmax, periodiccnt, ); 1192 array_needsize (periodics, periodicmax, periodiccnt, );
1068 periodics [periodiccnt - 1] = w; 1193 periodics [periodiccnt - 1] = w;
1069 upheap ((WT *)periodics, periodiccnt - 1); 1194 upheap ((WT *)periodics, periodiccnt - 1);
1195
1196 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1070} 1197}
1071 1198
1072void 1199void
1073ev_periodic_stop (EV_P_ struct ev_periodic *w) 1200ev_periodic_stop (EV_P_ struct ev_periodic *w)
1074{ 1201{
1075 ev_clear_pending (EV_A_ (W)w); 1202 ev_clear_pending (EV_A_ (W)w);
1076 if (!ev_is_active (w)) 1203 if (!ev_is_active (w))
1077 return; 1204 return;
1078 1205
1206 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1207
1079 if (w->active < periodiccnt--) 1208 if (((W)w)->active < periodiccnt--)
1080 { 1209 {
1081 periodics [w->active - 1] = periodics [periodiccnt]; 1210 periodics [((W)w)->active - 1] = periodics [periodiccnt];
1082 downheap ((WT *)periodics, periodiccnt, w->active - 1); 1211 downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1);
1083 } 1212 }
1084 1213
1214 ev_stop (EV_A_ (W)w);
1215}
1216
1217void
1218ev_idle_start (EV_P_ struct ev_idle *w)
1219{
1220 if (ev_is_active (w))
1221 return;
1222
1223 ev_start (EV_A_ (W)w, ++idlecnt);
1224 array_needsize (idles, idlemax, idlecnt, );
1225 idles [idlecnt - 1] = w;
1226}
1227
1228void
1229ev_idle_stop (EV_P_ struct ev_idle *w)
1230{
1231 ev_clear_pending (EV_A_ (W)w);
1232 if (ev_is_active (w))
1233 return;
1234
1235 idles [((W)w)->active - 1] = idles [--idlecnt];
1236 ev_stop (EV_A_ (W)w);
1237}
1238
1239void
1240ev_prepare_start (EV_P_ struct ev_prepare *w)
1241{
1242 if (ev_is_active (w))
1243 return;
1244
1245 ev_start (EV_A_ (W)w, ++preparecnt);
1246 array_needsize (prepares, preparemax, preparecnt, );
1247 prepares [preparecnt - 1] = w;
1248}
1249
1250void
1251ev_prepare_stop (EV_P_ struct ev_prepare *w)
1252{
1253 ev_clear_pending (EV_A_ (W)w);
1254 if (ev_is_active (w))
1255 return;
1256
1257 prepares [((W)w)->active - 1] = prepares [--preparecnt];
1258 ev_stop (EV_A_ (W)w);
1259}
1260
1261void
1262ev_check_start (EV_P_ struct ev_check *w)
1263{
1264 if (ev_is_active (w))
1265 return;
1266
1267 ev_start (EV_A_ (W)w, ++checkcnt);
1268 array_needsize (checks, checkmax, checkcnt, );
1269 checks [checkcnt - 1] = w;
1270}
1271
1272void
1273ev_check_stop (EV_P_ struct ev_check *w)
1274{
1275 ev_clear_pending (EV_A_ (W)w);
1276 if (ev_is_active (w))
1277 return;
1278
1279 checks [((W)w)->active - 1] = checks [--checkcnt];
1085 ev_stop (EV_A_ (W)w); 1280 ev_stop (EV_A_ (W)w);
1086} 1281}
1087 1282
1088#ifndef SA_RESTART 1283#ifndef SA_RESTART
1089# define SA_RESTART 0 1284# define SA_RESTART 0
1090#endif 1285#endif
1091 1286
1092void 1287void
1093ev_signal_start (EV_P_ struct ev_signal *w) 1288ev_signal_start (EV_P_ struct ev_signal *w)
1094{ 1289{
1290#if EV_MULTIPLICITY
1291 assert (("signal watchers are only supported in the default loop", loop == default_loop));
1292#endif
1095 if (ev_is_active (w)) 1293 if (ev_is_active (w))
1096 return; 1294 return;
1097 1295
1098 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1296 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1099 1297
1100 ev_start (EV_A_ (W)w, 1); 1298 ev_start (EV_A_ (W)w, 1);
1101 array_needsize (signals, signalmax, w->signum, signals_init); 1299 array_needsize (signals, signalmax, w->signum, signals_init);
1102 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1300 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1103 1301
1104 if (!w->next) 1302 if (!((WL)w)->next)
1105 { 1303 {
1106 struct sigaction sa; 1304 struct sigaction sa;
1107 sa.sa_handler = sighandler; 1305 sa.sa_handler = sighandler;
1108 sigfillset (&sa.sa_mask); 1306 sigfillset (&sa.sa_mask);
1109 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 1307 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
… …
1124 if (!signals [w->signum - 1].head) 1322 if (!signals [w->signum - 1].head)
1125 signal (w->signum, SIG_DFL); 1323 signal (w->signum, SIG_DFL);
1126} 1324}
1127 1325
1128void 1326void
1129ev_idle_start (EV_P_ struct ev_idle *w)
1130{
1131 if (ev_is_active (w))
1132 return;
1133
1134 ev_start (EV_A_ (W)w, ++idlecnt);
1135 array_needsize (idles, idlemax, idlecnt, );
1136 idles [idlecnt - 1] = w;
1137}
1138
1139void
1140ev_idle_stop (EV_P_ struct ev_idle *w)
1141{
1142 ev_clear_pending (EV_A_ (W)w);
1143 if (ev_is_active (w))
1144 return;
1145
1146 idles [w->active - 1] = idles [--idlecnt];
1147 ev_stop (EV_A_ (W)w);
1148}
1149
1150void
1151ev_prepare_start (EV_P_ struct ev_prepare *w)
1152{
1153 if (ev_is_active (w))
1154 return;
1155
1156 ev_start (EV_A_ (W)w, ++preparecnt);
1157 array_needsize (prepares, preparemax, preparecnt, );
1158 prepares [preparecnt - 1] = w;
1159}
1160
1161void
1162ev_prepare_stop (EV_P_ struct ev_prepare *w)
1163{
1164 ev_clear_pending (EV_A_ (W)w);
1165 if (ev_is_active (w))
1166 return;
1167
1168 prepares [w->active - 1] = prepares [--preparecnt];
1169 ev_stop (EV_A_ (W)w);
1170}
1171
1172void
1173ev_check_start (EV_P_ struct ev_check *w)
1174{
1175 if (ev_is_active (w))
1176 return;
1177
1178 ev_start (EV_A_ (W)w, ++checkcnt);
1179 array_needsize (checks, checkmax, checkcnt, );
1180 checks [checkcnt - 1] = w;
1181}
1182
1183void
1184ev_check_stop (EV_P_ struct ev_check *w)
1185{
1186 ev_clear_pending (EV_A_ (W)w);
1187 if (ev_is_active (w))
1188 return;
1189
1190 checks [w->active - 1] = checks [--checkcnt];
1191 ev_stop (EV_A_ (W)w);
1192}
1193
1194void
1195ev_child_start (EV_P_ struct ev_child *w) 1327ev_child_start (EV_P_ struct ev_child *w)
1196{ 1328{
1329#if EV_MULTIPLICITY
1330 assert (("child watchers are only supported in the default loop", loop == default_loop));
1331#endif
1197 if (ev_is_active (w)) 1332 if (ev_is_active (w))
1198 return; 1333 return;
1199 1334
1200 ev_start (EV_A_ (W)w, 1); 1335 ev_start (EV_A_ (W)w, 1);
1201 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1336 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
… …
1273 ev_timer_start (EV_A_ &once->to); 1408 ev_timer_start (EV_A_ &once->to);
1274 } 1409 }
1275 } 1410 }
1276} 1411}
1277 1412
1278/*****************************************************************************/
1279
1280#if 0
1281
1282struct ev_io wio;
1283
1284static void
1285sin_cb (struct ev_io *w, int revents)
1286{
1287 fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
1288}
1289
1290static void
1291ocb (struct ev_timer *w, int revents)
1292{
1293 //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
1294 ev_timer_stop (w);
1295 ev_timer_start (w);
1296}
1297
1298static void
1299scb (struct ev_signal *w, int revents)
1300{
1301 fprintf (stderr, "signal %x,%d\n", revents, w->signum);
1302 ev_io_stop (&wio);
1303 ev_io_start (&wio);
1304}
1305
1306static void
1307gcb (struct ev_signal *w, int revents)
1308{
1309 fprintf (stderr, "generic %x\n", revents);
1310
1311}
1312
1313int main (void)
1314{
1315 ev_init (0);
1316
1317 ev_io_init (&wio, sin_cb, 0, EV_READ);
1318 ev_io_start (&wio);
1319
1320 struct ev_timer t[10000];
1321
1322#if 0
1323 int i;
1324 for (i = 0; i < 10000; ++i)
1325 {
1326 struct ev_timer *w = t + i;
1327 ev_watcher_init (w, ocb, i);
1328 ev_timer_init_abs (w, ocb, drand48 (), 0.99775533);
1329 ev_timer_start (w);
1330 if (drand48 () < 0.5)
1331 ev_timer_stop (w);
1332 }
1333#endif
1334
1335 struct ev_timer t1;
1336 ev_timer_init (&t1, ocb, 5, 10);
1337 ev_timer_start (&t1);
1338
1339 struct ev_signal sig;
1340 ev_signal_init (&sig, scb, SIGQUIT);
1341 ev_signal_start (&sig);
1342
1343 struct ev_check cw;
1344 ev_check_init (&cw, gcb);
1345 ev_check_start (&cw);
1346
1347 struct ev_idle iw;
1348 ev_idle_init (&iw, gcb);
1349 ev_idle_start (&iw);
1350
1351 ev_loop (0);
1352
1353 return 0;
1354}
1355
1356#endif
1357
1358
1359
1360

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