… | |
… | |
32 | #ifdef __cplusplus |
32 | #ifdef __cplusplus |
33 | extern "C" { |
33 | extern "C" { |
34 | #endif |
34 | #endif |
35 | |
35 | |
36 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
|
|
37 | # ifdef EV_CONFIG_H |
|
|
38 | # include EV_CONFIG_H |
|
|
39 | # else |
37 | # include "config.h" |
40 | # include "config.h" |
|
|
41 | # endif |
38 | |
42 | |
39 | # if HAVE_CLOCK_GETTIME |
43 | # if HAVE_CLOCK_GETTIME |
40 | # ifndef EV_USE_MONOTONIC |
44 | # ifndef EV_USE_MONOTONIC |
41 | # define EV_USE_MONOTONIC 1 |
45 | # define EV_USE_MONOTONIC 1 |
42 | # endif |
46 | # endif |
… | |
… | |
50 | # ifndef EV_USE_REALTIME |
54 | # ifndef EV_USE_REALTIME |
51 | # define EV_USE_REALTIME 0 |
55 | # define EV_USE_REALTIME 0 |
52 | # endif |
56 | # endif |
53 | # endif |
57 | # endif |
54 | |
58 | |
55 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
59 | # ifndef EV_USE_SELECT |
|
|
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
56 | # define EV_USE_SELECT 1 |
61 | # define EV_USE_SELECT 1 |
57 | # else |
62 | # else |
58 | # define EV_USE_SELECT 0 |
63 | # define EV_USE_SELECT 0 |
|
|
64 | # endif |
59 | # endif |
65 | # endif |
60 | |
66 | |
61 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
67 | # ifndef EV_USE_POLL |
|
|
68 | # if HAVE_POLL && HAVE_POLL_H |
62 | # define EV_USE_POLL 1 |
69 | # define EV_USE_POLL 1 |
63 | # else |
70 | # else |
64 | # define EV_USE_POLL 0 |
71 | # define EV_USE_POLL 0 |
|
|
72 | # endif |
65 | # endif |
73 | # endif |
66 | |
74 | |
67 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
75 | # ifndef EV_USE_EPOLL |
|
|
76 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
68 | # define EV_USE_EPOLL 1 |
77 | # define EV_USE_EPOLL 1 |
69 | # else |
78 | # else |
70 | # define EV_USE_EPOLL 0 |
79 | # define EV_USE_EPOLL 0 |
|
|
80 | # endif |
71 | # endif |
81 | # endif |
72 | |
82 | |
|
|
83 | # ifndef EV_USE_KQUEUE |
73 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
84 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
74 | # define EV_USE_KQUEUE 1 |
85 | # define EV_USE_KQUEUE 1 |
75 | # else |
86 | # else |
76 | # define EV_USE_KQUEUE 0 |
87 | # define EV_USE_KQUEUE 0 |
|
|
88 | # endif |
77 | # endif |
89 | # endif |
78 | |
90 | |
79 | # if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT) |
91 | # ifndef EV_USE_PORT |
|
|
92 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
80 | # define EV_USE_PORT 1 |
93 | # define EV_USE_PORT 1 |
81 | # else |
94 | # else |
82 | # define EV_USE_PORT 0 |
95 | # define EV_USE_PORT 0 |
|
|
96 | # endif |
83 | # endif |
97 | # endif |
84 | |
98 | |
85 | #endif |
99 | #endif |
86 | |
100 | |
87 | #include <math.h> |
101 | #include <math.h> |
… | |
… | |
144 | # define EV_USE_PORT 0 |
158 | # define EV_USE_PORT 0 |
145 | #endif |
159 | #endif |
146 | |
160 | |
147 | /**/ |
161 | /**/ |
148 | |
162 | |
149 | /* darwin simply cannot be helped */ |
|
|
150 | #ifdef __APPLE__ |
|
|
151 | # undef EV_USE_POLL |
|
|
152 | # undef EV_USE_KQUEUE |
|
|
153 | #endif |
|
|
154 | |
|
|
155 | #ifndef CLOCK_MONOTONIC |
163 | #ifndef CLOCK_MONOTONIC |
156 | # undef EV_USE_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
157 | # define EV_USE_MONOTONIC 0 |
165 | # define EV_USE_MONOTONIC 0 |
158 | #endif |
166 | #endif |
159 | |
167 | |
… | |
… | |
194 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
195 | |
203 | |
196 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
197 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
205 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
198 | |
206 | |
199 | typedef struct ev_watcher *W; |
207 | typedef ev_watcher *W; |
200 | typedef struct ev_watcher_list *WL; |
208 | typedef ev_watcher_list *WL; |
201 | typedef struct ev_watcher_time *WT; |
209 | typedef ev_watcher_time *WT; |
202 | |
210 | |
203 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
211 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
204 | |
212 | |
205 | #ifdef _WIN32 |
213 | #ifdef _WIN32 |
206 | # include "ev_win32.c" |
214 | # include "ev_win32.c" |
… | |
… | |
408 | |
416 | |
409 | inline void |
417 | inline void |
410 | fd_event (EV_P_ int fd, int revents) |
418 | fd_event (EV_P_ int fd, int revents) |
411 | { |
419 | { |
412 | ANFD *anfd = anfds + fd; |
420 | ANFD *anfd = anfds + fd; |
413 | struct ev_io *w; |
421 | ev_io *w; |
414 | |
422 | |
415 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
423 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
416 | { |
424 | { |
417 | int ev = w->events & revents; |
425 | int ev = w->events & revents; |
418 | |
426 | |
419 | if (ev) |
427 | if (ev) |
420 | ev_feed_event (EV_A_ (W)w, ev); |
428 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
436 | |
444 | |
437 | for (i = 0; i < fdchangecnt; ++i) |
445 | for (i = 0; i < fdchangecnt; ++i) |
438 | { |
446 | { |
439 | int fd = fdchanges [i]; |
447 | int fd = fdchanges [i]; |
440 | ANFD *anfd = anfds + fd; |
448 | ANFD *anfd = anfds + fd; |
441 | struct ev_io *w; |
449 | ev_io *w; |
442 | |
450 | |
443 | int events = 0; |
451 | int events = 0; |
444 | |
452 | |
445 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
453 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
446 | events |= w->events; |
454 | events |= w->events; |
447 | |
455 | |
448 | #if EV_SELECT_IS_WINSOCKET |
456 | #if EV_SELECT_IS_WINSOCKET |
449 | if (events) |
457 | if (events) |
450 | { |
458 | { |
… | |
… | |
454 | } |
462 | } |
455 | #endif |
463 | #endif |
456 | |
464 | |
457 | anfd->reify = 0; |
465 | anfd->reify = 0; |
458 | |
466 | |
459 | method_modify (EV_A_ fd, anfd->events, events); |
467 | backend_modify (EV_A_ fd, anfd->events, events); |
460 | anfd->events = events; |
468 | anfd->events = events; |
461 | } |
469 | } |
462 | |
470 | |
463 | fdchangecnt = 0; |
471 | fdchangecnt = 0; |
464 | } |
472 | } |
… | |
… | |
477 | } |
485 | } |
478 | |
486 | |
479 | static void |
487 | static void |
480 | fd_kill (EV_P_ int fd) |
488 | fd_kill (EV_P_ int fd) |
481 | { |
489 | { |
482 | struct ev_io *w; |
490 | ev_io *w; |
483 | |
491 | |
484 | while ((w = (struct ev_io *)anfds [fd].head)) |
492 | while ((w = (ev_io *)anfds [fd].head)) |
485 | { |
493 | { |
486 | ev_io_stop (EV_A_ w); |
494 | ev_io_stop (EV_A_ w); |
487 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
495 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
488 | } |
496 | } |
489 | } |
497 | } |
… | |
… | |
522 | fd_kill (EV_A_ fd); |
530 | fd_kill (EV_A_ fd); |
523 | return; |
531 | return; |
524 | } |
532 | } |
525 | } |
533 | } |
526 | |
534 | |
527 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
535 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
528 | static void |
536 | static void |
529 | fd_rearm_all (EV_P) |
537 | fd_rearm_all (EV_P) |
530 | { |
538 | { |
531 | int fd; |
539 | int fd; |
532 | |
540 | |
… | |
… | |
600 | static ANSIG *signals; |
608 | static ANSIG *signals; |
601 | static int signalmax; |
609 | static int signalmax; |
602 | |
610 | |
603 | static int sigpipe [2]; |
611 | static int sigpipe [2]; |
604 | static sig_atomic_t volatile gotsig; |
612 | static sig_atomic_t volatile gotsig; |
605 | static struct ev_io sigev; |
613 | static ev_io sigev; |
606 | |
614 | |
607 | static void |
615 | static void |
608 | signals_init (ANSIG *base, int count) |
616 | signals_init (ANSIG *base, int count) |
609 | { |
617 | { |
610 | while (count--) |
618 | while (count--) |
… | |
… | |
653 | for (w = signals [signum].head; w; w = w->next) |
661 | for (w = signals [signum].head; w; w = w->next) |
654 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
662 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
655 | } |
663 | } |
656 | |
664 | |
657 | static void |
665 | static void |
658 | sigcb (EV_P_ struct ev_io *iow, int revents) |
666 | sigcb (EV_P_ ev_io *iow, int revents) |
659 | { |
667 | { |
660 | int signum; |
668 | int signum; |
661 | |
669 | |
662 | read (sigpipe [0], &revents, 1); |
670 | read (sigpipe [0], &revents, 1); |
663 | gotsig = 0; |
671 | gotsig = 0; |
… | |
… | |
690 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
698 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
691 | } |
699 | } |
692 | |
700 | |
693 | /*****************************************************************************/ |
701 | /*****************************************************************************/ |
694 | |
702 | |
695 | static struct ev_child *childs [PID_HASHSIZE]; |
703 | static ev_child *childs [PID_HASHSIZE]; |
696 | |
704 | |
697 | #ifndef _WIN32 |
705 | #ifndef _WIN32 |
698 | |
706 | |
699 | static struct ev_signal childev; |
707 | static ev_signal childev; |
700 | |
708 | |
701 | #ifndef WCONTINUED |
709 | #ifndef WCONTINUED |
702 | # define WCONTINUED 0 |
710 | # define WCONTINUED 0 |
703 | #endif |
711 | #endif |
704 | |
712 | |
705 | static void |
713 | static void |
706 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
714 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
707 | { |
715 | { |
708 | struct ev_child *w; |
716 | ev_child *w; |
709 | |
717 | |
710 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
718 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
711 | if (w->pid == pid || !w->pid) |
719 | if (w->pid == pid || !w->pid) |
712 | { |
720 | { |
713 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
721 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
714 | w->rpid = pid; |
722 | w->rpid = pid; |
715 | w->rstatus = status; |
723 | w->rstatus = status; |
716 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
724 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
717 | } |
725 | } |
718 | } |
726 | } |
719 | |
727 | |
720 | static void |
728 | static void |
721 | childcb (EV_P_ struct ev_signal *sw, int revents) |
729 | childcb (EV_P_ ev_signal *sw, int revents) |
722 | { |
730 | { |
723 | int pid, status; |
731 | int pid, status; |
724 | |
732 | |
725 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
733 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
726 | { |
734 | { |
727 | /* make sure we are called again until all childs have been reaped */ |
735 | /* make sure we are called again until all childs have been reaped */ |
|
|
736 | /* we need to do it this way so that the callback gets called before we continue */ |
728 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
737 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
729 | |
738 | |
730 | child_reap (EV_A_ sw, pid, pid, status); |
739 | child_reap (EV_A_ sw, pid, pid, status); |
731 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
740 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
732 | } |
741 | } |
733 | } |
742 | } |
734 | |
743 | |
735 | #endif |
744 | #endif |
736 | |
745 | |
… | |
… | |
775 | || getgid () != getegid (); |
784 | || getgid () != getegid (); |
776 | #endif |
785 | #endif |
777 | } |
786 | } |
778 | |
787 | |
779 | unsigned int |
788 | unsigned int |
780 | ev_method (EV_P) |
789 | ev_supported_backends (void) |
781 | { |
790 | { |
782 | return method; |
791 | unsigned int flags = 0; |
|
|
792 | |
|
|
793 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
794 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
795 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
796 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
797 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
798 | |
|
|
799 | return flags; |
|
|
800 | } |
|
|
801 | |
|
|
802 | unsigned int |
|
|
803 | ev_recommended_backends (void) |
|
|
804 | { |
|
|
805 | unsigned int flags = ev_supported_backends (); |
|
|
806 | |
|
|
807 | #ifndef __NetBSD__ |
|
|
808 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
809 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
810 | flags &= ~EVBACKEND_KQUEUE; |
|
|
811 | #endif |
|
|
812 | #ifdef __APPLE__ |
|
|
813 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
814 | flags &= ~EVBACKEND_POLL; |
|
|
815 | #endif |
|
|
816 | |
|
|
817 | return flags; |
|
|
818 | } |
|
|
819 | |
|
|
820 | unsigned int |
|
|
821 | ev_embeddable_backends (void) |
|
|
822 | { |
|
|
823 | return EVBACKEND_EPOLL |
|
|
824 | | EVBACKEND_KQUEUE |
|
|
825 | | EVBACKEND_PORT; |
|
|
826 | } |
|
|
827 | |
|
|
828 | unsigned int |
|
|
829 | ev_backend (EV_P) |
|
|
830 | { |
|
|
831 | return backend; |
783 | } |
832 | } |
784 | |
833 | |
785 | static void |
834 | static void |
786 | loop_init (EV_P_ unsigned int flags) |
835 | loop_init (EV_P_ unsigned int flags) |
787 | { |
836 | { |
788 | if (!method) |
837 | if (!backend) |
789 | { |
838 | { |
790 | #if EV_USE_MONOTONIC |
839 | #if EV_USE_MONOTONIC |
791 | { |
840 | { |
792 | struct timespec ts; |
841 | struct timespec ts; |
793 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
842 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
798 | ev_rt_now = ev_time (); |
847 | ev_rt_now = ev_time (); |
799 | mn_now = get_clock (); |
848 | mn_now = get_clock (); |
800 | now_floor = mn_now; |
849 | now_floor = mn_now; |
801 | rtmn_diff = ev_rt_now - mn_now; |
850 | rtmn_diff = ev_rt_now - mn_now; |
802 | |
851 | |
803 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
852 | if (!(flags & EVFLAG_NOENV) |
|
|
853 | && !enable_secure () |
|
|
854 | && getenv ("LIBEV_FLAGS")) |
804 | flags = atoi (getenv ("LIBEV_FLAGS")); |
855 | flags = atoi (getenv ("LIBEV_FLAGS")); |
805 | |
856 | |
806 | if (!(flags & 0x0000ffff)) |
857 | if (!(flags & 0x0000ffffUL)) |
807 | flags |= 0x0000ffff; |
858 | flags |= ev_recommended_backends (); |
808 | |
859 | |
809 | method = 0; |
860 | backend = 0; |
810 | #if EV_USE_PORT |
861 | #if EV_USE_PORT |
811 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
862 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
812 | #endif |
863 | #endif |
813 | #if EV_USE_KQUEUE |
864 | #if EV_USE_KQUEUE |
814 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
865 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
815 | #endif |
866 | #endif |
816 | #if EV_USE_EPOLL |
867 | #if EV_USE_EPOLL |
817 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
868 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
818 | #endif |
869 | #endif |
819 | #if EV_USE_POLL |
870 | #if EV_USE_POLL |
820 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
871 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
821 | #endif |
872 | #endif |
822 | #if EV_USE_SELECT |
873 | #if EV_USE_SELECT |
823 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
874 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
824 | #endif |
875 | #endif |
825 | |
876 | |
826 | ev_init (&sigev, sigcb); |
877 | ev_init (&sigev, sigcb); |
827 | ev_set_priority (&sigev, EV_MAXPRI); |
878 | ev_set_priority (&sigev, EV_MAXPRI); |
828 | } |
879 | } |
… | |
… | |
832 | loop_destroy (EV_P) |
883 | loop_destroy (EV_P) |
833 | { |
884 | { |
834 | int i; |
885 | int i; |
835 | |
886 | |
836 | #if EV_USE_PORT |
887 | #if EV_USE_PORT |
837 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
888 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
838 | #endif |
889 | #endif |
839 | #if EV_USE_KQUEUE |
890 | #if EV_USE_KQUEUE |
840 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
891 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
841 | #endif |
892 | #endif |
842 | #if EV_USE_EPOLL |
893 | #if EV_USE_EPOLL |
843 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
894 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
844 | #endif |
895 | #endif |
845 | #if EV_USE_POLL |
896 | #if EV_USE_POLL |
846 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
897 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
847 | #endif |
898 | #endif |
848 | #if EV_USE_SELECT |
899 | #if EV_USE_SELECT |
849 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
900 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
850 | #endif |
901 | #endif |
851 | |
902 | |
852 | for (i = NUMPRI; i--; ) |
903 | for (i = NUMPRI; i--; ) |
853 | array_free (pending, [i]); |
904 | array_free (pending, [i]); |
854 | |
905 | |
… | |
… | |
860 | #endif |
911 | #endif |
861 | array_free (idle, EMPTY0); |
912 | array_free (idle, EMPTY0); |
862 | array_free (prepare, EMPTY0); |
913 | array_free (prepare, EMPTY0); |
863 | array_free (check, EMPTY0); |
914 | array_free (check, EMPTY0); |
864 | |
915 | |
865 | method = 0; |
916 | backend = 0; |
866 | } |
917 | } |
867 | |
918 | |
868 | static void |
919 | static void |
869 | loop_fork (EV_P) |
920 | loop_fork (EV_P) |
870 | { |
921 | { |
871 | #if EV_USE_PORT |
922 | #if EV_USE_PORT |
872 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
923 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
873 | #endif |
924 | #endif |
874 | #if EV_USE_KQUEUE |
925 | #if EV_USE_KQUEUE |
875 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
926 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
876 | #endif |
927 | #endif |
877 | #if EV_USE_EPOLL |
928 | #if EV_USE_EPOLL |
878 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
929 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
879 | #endif |
930 | #endif |
880 | |
931 | |
881 | if (ev_is_active (&sigev)) |
932 | if (ev_is_active (&sigev)) |
882 | { |
933 | { |
883 | /* default loop */ |
934 | /* default loop */ |
… | |
… | |
904 | |
955 | |
905 | memset (loop, 0, sizeof (struct ev_loop)); |
956 | memset (loop, 0, sizeof (struct ev_loop)); |
906 | |
957 | |
907 | loop_init (EV_A_ flags); |
958 | loop_init (EV_A_ flags); |
908 | |
959 | |
909 | if (ev_method (EV_A)) |
960 | if (ev_backend (EV_A)) |
910 | return loop; |
961 | return loop; |
911 | |
962 | |
912 | return 0; |
963 | return 0; |
913 | } |
964 | } |
914 | |
965 | |
… | |
… | |
947 | ev_default_loop_ptr = 1; |
998 | ev_default_loop_ptr = 1; |
948 | #endif |
999 | #endif |
949 | |
1000 | |
950 | loop_init (EV_A_ flags); |
1001 | loop_init (EV_A_ flags); |
951 | |
1002 | |
952 | if (ev_method (EV_A)) |
1003 | if (ev_backend (EV_A)) |
953 | { |
1004 | { |
954 | siginit (EV_A); |
1005 | siginit (EV_A); |
955 | |
1006 | |
956 | #ifndef _WIN32 |
1007 | #ifndef _WIN32 |
957 | ev_signal_init (&childev, childcb, SIGCHLD); |
1008 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
993 | { |
1044 | { |
994 | #if EV_MULTIPLICITY |
1045 | #if EV_MULTIPLICITY |
995 | struct ev_loop *loop = ev_default_loop_ptr; |
1046 | struct ev_loop *loop = ev_default_loop_ptr; |
996 | #endif |
1047 | #endif |
997 | |
1048 | |
998 | if (method) |
1049 | if (backend) |
999 | postfork = 1; |
1050 | postfork = 1; |
1000 | } |
1051 | } |
1001 | |
1052 | |
1002 | /*****************************************************************************/ |
1053 | /*****************************************************************************/ |
1003 | |
1054 | |
… | |
… | |
1034 | inline void |
1085 | inline void |
1035 | timers_reify (EV_P) |
1086 | timers_reify (EV_P) |
1036 | { |
1087 | { |
1037 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1088 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1038 | { |
1089 | { |
1039 | struct ev_timer *w = timers [0]; |
1090 | ev_timer *w = timers [0]; |
1040 | |
1091 | |
1041 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1092 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1042 | |
1093 | |
1043 | /* first reschedule or stop timer */ |
1094 | /* first reschedule or stop timer */ |
1044 | if (w->repeat) |
1095 | if (w->repeat) |
… | |
… | |
1062 | inline void |
1113 | inline void |
1063 | periodics_reify (EV_P) |
1114 | periodics_reify (EV_P) |
1064 | { |
1115 | { |
1065 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1116 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1066 | { |
1117 | { |
1067 | struct ev_periodic *w = periodics [0]; |
1118 | ev_periodic *w = periodics [0]; |
1068 | |
1119 | |
1069 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1120 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1070 | |
1121 | |
1071 | /* first reschedule or stop timer */ |
1122 | /* first reschedule or stop timer */ |
1072 | if (w->reschedule_cb) |
1123 | if (w->reschedule_cb) |
… | |
… | |
1094 | int i; |
1145 | int i; |
1095 | |
1146 | |
1096 | /* adjust periodics after time jump */ |
1147 | /* adjust periodics after time jump */ |
1097 | for (i = 0; i < periodiccnt; ++i) |
1148 | for (i = 0; i < periodiccnt; ++i) |
1098 | { |
1149 | { |
1099 | struct ev_periodic *w = periodics [i]; |
1150 | ev_periodic *w = periodics [i]; |
1100 | |
1151 | |
1101 | if (w->reschedule_cb) |
1152 | if (w->reschedule_cb) |
1102 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1153 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1103 | else if (w->interval) |
1154 | else if (w->interval) |
1104 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1155 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
… | |
… | |
1194 | static int loop_done; |
1245 | static int loop_done; |
1195 | |
1246 | |
1196 | void |
1247 | void |
1197 | ev_loop (EV_P_ int flags) |
1248 | ev_loop (EV_P_ int flags) |
1198 | { |
1249 | { |
1199 | double block; |
|
|
1200 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1250 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1251 | ? EVUNLOOP_ONE |
|
|
1252 | : EVUNLOOP_CANCEL; |
1201 | |
1253 | |
1202 | while (activecnt) |
1254 | while (activecnt) |
1203 | { |
1255 | { |
1204 | /* queue check watchers (and execute them) */ |
1256 | /* queue check watchers (and execute them) */ |
1205 | if (expect_false (preparecnt)) |
1257 | if (expect_false (preparecnt)) |
… | |
… | |
1214 | |
1266 | |
1215 | /* update fd-related kernel structures */ |
1267 | /* update fd-related kernel structures */ |
1216 | fd_reify (EV_A); |
1268 | fd_reify (EV_A); |
1217 | |
1269 | |
1218 | /* calculate blocking time */ |
1270 | /* calculate blocking time */ |
|
|
1271 | { |
|
|
1272 | double block; |
1219 | |
1273 | |
1220 | /* we only need this for !monotonic clock or timers, but as we basically |
1274 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1221 | always have timers, we just calculate it always */ |
1275 | block = 0.; /* do not block at all */ |
|
|
1276 | else |
|
|
1277 | { |
|
|
1278 | /* update time to cancel out callback processing overhead */ |
1222 | #if EV_USE_MONOTONIC |
1279 | #if EV_USE_MONOTONIC |
1223 | if (expect_true (have_monotonic)) |
1280 | if (expect_true (have_monotonic)) |
1224 | time_update_monotonic (EV_A); |
1281 | time_update_monotonic (EV_A); |
1225 | else |
1282 | else |
1226 | #endif |
1283 | #endif |
1227 | { |
1284 | { |
1228 | ev_rt_now = ev_time (); |
1285 | ev_rt_now = ev_time (); |
1229 | mn_now = ev_rt_now; |
1286 | mn_now = ev_rt_now; |
1230 | } |
1287 | } |
1231 | |
1288 | |
1232 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1233 | block = 0.; |
|
|
1234 | else |
|
|
1235 | { |
|
|
1236 | block = MAX_BLOCKTIME; |
1289 | block = MAX_BLOCKTIME; |
1237 | |
1290 | |
1238 | if (timercnt) |
1291 | if (timercnt) |
1239 | { |
1292 | { |
1240 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1293 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1241 | if (block > to) block = to; |
1294 | if (block > to) block = to; |
1242 | } |
1295 | } |
1243 | |
1296 | |
1244 | #if EV_PERIODICS |
1297 | #if EV_PERIODICS |
1245 | if (periodiccnt) |
1298 | if (periodiccnt) |
1246 | { |
1299 | { |
1247 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1300 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1248 | if (block > to) block = to; |
1301 | if (block > to) block = to; |
1249 | } |
1302 | } |
1250 | #endif |
1303 | #endif |
1251 | |
1304 | |
1252 | if (expect_false (block < 0.)) block = 0.; |
1305 | if (expect_false (block < 0.)) block = 0.; |
1253 | } |
1306 | } |
1254 | |
1307 | |
1255 | method_poll (EV_A_ block); |
1308 | backend_poll (EV_A_ block); |
|
|
1309 | } |
1256 | |
1310 | |
1257 | /* update ev_rt_now, do magic */ |
1311 | /* update ev_rt_now, do magic */ |
1258 | time_update (EV_A); |
1312 | time_update (EV_A); |
1259 | |
1313 | |
1260 | /* queue pending timers and reschedule them */ |
1314 | /* queue pending timers and reschedule them */ |
… | |
… | |
1275 | |
1329 | |
1276 | if (expect_false (loop_done)) |
1330 | if (expect_false (loop_done)) |
1277 | break; |
1331 | break; |
1278 | } |
1332 | } |
1279 | |
1333 | |
1280 | if (loop_done != 2) |
1334 | if (loop_done == EVUNLOOP_ONE) |
1281 | loop_done = 0; |
1335 | loop_done = EVUNLOOP_CANCEL; |
1282 | } |
1336 | } |
1283 | |
1337 | |
1284 | void |
1338 | void |
1285 | ev_unloop (EV_P_ int how) |
1339 | ev_unloop (EV_P_ int how) |
1286 | { |
1340 | { |
… | |
… | |
1339 | } |
1393 | } |
1340 | |
1394 | |
1341 | /*****************************************************************************/ |
1395 | /*****************************************************************************/ |
1342 | |
1396 | |
1343 | void |
1397 | void |
1344 | ev_io_start (EV_P_ struct ev_io *w) |
1398 | ev_io_start (EV_P_ ev_io *w) |
1345 | { |
1399 | { |
1346 | int fd = w->fd; |
1400 | int fd = w->fd; |
1347 | |
1401 | |
1348 | if (expect_false (ev_is_active (w))) |
1402 | if (expect_false (ev_is_active (w))) |
1349 | return; |
1403 | return; |
… | |
… | |
1356 | |
1410 | |
1357 | fd_change (EV_A_ fd); |
1411 | fd_change (EV_A_ fd); |
1358 | } |
1412 | } |
1359 | |
1413 | |
1360 | void |
1414 | void |
1361 | ev_io_stop (EV_P_ struct ev_io *w) |
1415 | ev_io_stop (EV_P_ ev_io *w) |
1362 | { |
1416 | { |
1363 | ev_clear_pending (EV_A_ (W)w); |
1417 | ev_clear_pending (EV_A_ (W)w); |
1364 | if (expect_false (!ev_is_active (w))) |
1418 | if (expect_false (!ev_is_active (w))) |
1365 | return; |
1419 | return; |
1366 | |
1420 | |
… | |
… | |
1371 | |
1425 | |
1372 | fd_change (EV_A_ w->fd); |
1426 | fd_change (EV_A_ w->fd); |
1373 | } |
1427 | } |
1374 | |
1428 | |
1375 | void |
1429 | void |
1376 | ev_timer_start (EV_P_ struct ev_timer *w) |
1430 | ev_timer_start (EV_P_ ev_timer *w) |
1377 | { |
1431 | { |
1378 | if (expect_false (ev_is_active (w))) |
1432 | if (expect_false (ev_is_active (w))) |
1379 | return; |
1433 | return; |
1380 | |
1434 | |
1381 | ((WT)w)->at += mn_now; |
1435 | ((WT)w)->at += mn_now; |
1382 | |
1436 | |
1383 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1437 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1384 | |
1438 | |
1385 | ev_start (EV_A_ (W)w, ++timercnt); |
1439 | ev_start (EV_A_ (W)w, ++timercnt); |
1386 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1440 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1387 | timers [timercnt - 1] = w; |
1441 | timers [timercnt - 1] = w; |
1388 | upheap ((WT *)timers, timercnt - 1); |
1442 | upheap ((WT *)timers, timercnt - 1); |
1389 | |
1443 | |
1390 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1444 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1391 | } |
1445 | } |
1392 | |
1446 | |
1393 | void |
1447 | void |
1394 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1448 | ev_timer_stop (EV_P_ ev_timer *w) |
1395 | { |
1449 | { |
1396 | ev_clear_pending (EV_A_ (W)w); |
1450 | ev_clear_pending (EV_A_ (W)w); |
1397 | if (expect_false (!ev_is_active (w))) |
1451 | if (expect_false (!ev_is_active (w))) |
1398 | return; |
1452 | return; |
1399 | |
1453 | |
… | |
… | |
1409 | |
1463 | |
1410 | ev_stop (EV_A_ (W)w); |
1464 | ev_stop (EV_A_ (W)w); |
1411 | } |
1465 | } |
1412 | |
1466 | |
1413 | void |
1467 | void |
1414 | ev_timer_again (EV_P_ struct ev_timer *w) |
1468 | ev_timer_again (EV_P_ ev_timer *w) |
1415 | { |
1469 | { |
1416 | if (ev_is_active (w)) |
1470 | if (ev_is_active (w)) |
1417 | { |
1471 | { |
1418 | if (w->repeat) |
1472 | if (w->repeat) |
1419 | { |
1473 | { |
… | |
… | |
1430 | } |
1484 | } |
1431 | } |
1485 | } |
1432 | |
1486 | |
1433 | #if EV_PERIODICS |
1487 | #if EV_PERIODICS |
1434 | void |
1488 | void |
1435 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1489 | ev_periodic_start (EV_P_ ev_periodic *w) |
1436 | { |
1490 | { |
1437 | if (expect_false (ev_is_active (w))) |
1491 | if (expect_false (ev_is_active (w))) |
1438 | return; |
1492 | return; |
1439 | |
1493 | |
1440 | if (w->reschedule_cb) |
1494 | if (w->reschedule_cb) |
… | |
… | |
1445 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1499 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1446 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1500 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1447 | } |
1501 | } |
1448 | |
1502 | |
1449 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1503 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1450 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1504 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1451 | periodics [periodiccnt - 1] = w; |
1505 | periodics [periodiccnt - 1] = w; |
1452 | upheap ((WT *)periodics, periodiccnt - 1); |
1506 | upheap ((WT *)periodics, periodiccnt - 1); |
1453 | |
1507 | |
1454 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1508 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1455 | } |
1509 | } |
1456 | |
1510 | |
1457 | void |
1511 | void |
1458 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1512 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1459 | { |
1513 | { |
1460 | ev_clear_pending (EV_A_ (W)w); |
1514 | ev_clear_pending (EV_A_ (W)w); |
1461 | if (expect_false (!ev_is_active (w))) |
1515 | if (expect_false (!ev_is_active (w))) |
1462 | return; |
1516 | return; |
1463 | |
1517 | |
… | |
… | |
1471 | |
1525 | |
1472 | ev_stop (EV_A_ (W)w); |
1526 | ev_stop (EV_A_ (W)w); |
1473 | } |
1527 | } |
1474 | |
1528 | |
1475 | void |
1529 | void |
1476 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1530 | ev_periodic_again (EV_P_ ev_periodic *w) |
1477 | { |
1531 | { |
1478 | /* TODO: use adjustheap and recalculation */ |
1532 | /* TODO: use adjustheap and recalculation */ |
1479 | ev_periodic_stop (EV_A_ w); |
1533 | ev_periodic_stop (EV_A_ w); |
1480 | ev_periodic_start (EV_A_ w); |
1534 | ev_periodic_start (EV_A_ w); |
1481 | } |
1535 | } |
1482 | #endif |
1536 | #endif |
1483 | |
1537 | |
1484 | void |
1538 | void |
1485 | ev_idle_start (EV_P_ struct ev_idle *w) |
1539 | ev_idle_start (EV_P_ ev_idle *w) |
1486 | { |
1540 | { |
1487 | if (expect_false (ev_is_active (w))) |
1541 | if (expect_false (ev_is_active (w))) |
1488 | return; |
1542 | return; |
1489 | |
1543 | |
1490 | ev_start (EV_A_ (W)w, ++idlecnt); |
1544 | ev_start (EV_A_ (W)w, ++idlecnt); |
1491 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1545 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1492 | idles [idlecnt - 1] = w; |
1546 | idles [idlecnt - 1] = w; |
1493 | } |
1547 | } |
1494 | |
1548 | |
1495 | void |
1549 | void |
1496 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1550 | ev_idle_stop (EV_P_ ev_idle *w) |
1497 | { |
1551 | { |
1498 | ev_clear_pending (EV_A_ (W)w); |
1552 | ev_clear_pending (EV_A_ (W)w); |
1499 | if (expect_false (!ev_is_active (w))) |
1553 | if (expect_false (!ev_is_active (w))) |
1500 | return; |
1554 | return; |
1501 | |
1555 | |
1502 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1556 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1503 | ev_stop (EV_A_ (W)w); |
1557 | ev_stop (EV_A_ (W)w); |
1504 | } |
1558 | } |
1505 | |
1559 | |
1506 | void |
1560 | void |
1507 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1561 | ev_prepare_start (EV_P_ ev_prepare *w) |
1508 | { |
1562 | { |
1509 | if (expect_false (ev_is_active (w))) |
1563 | if (expect_false (ev_is_active (w))) |
1510 | return; |
1564 | return; |
1511 | |
1565 | |
1512 | ev_start (EV_A_ (W)w, ++preparecnt); |
1566 | ev_start (EV_A_ (W)w, ++preparecnt); |
1513 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1567 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1514 | prepares [preparecnt - 1] = w; |
1568 | prepares [preparecnt - 1] = w; |
1515 | } |
1569 | } |
1516 | |
1570 | |
1517 | void |
1571 | void |
1518 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1572 | ev_prepare_stop (EV_P_ ev_prepare *w) |
1519 | { |
1573 | { |
1520 | ev_clear_pending (EV_A_ (W)w); |
1574 | ev_clear_pending (EV_A_ (W)w); |
1521 | if (expect_false (!ev_is_active (w))) |
1575 | if (expect_false (!ev_is_active (w))) |
1522 | return; |
1576 | return; |
1523 | |
1577 | |
1524 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1578 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1525 | ev_stop (EV_A_ (W)w); |
1579 | ev_stop (EV_A_ (W)w); |
1526 | } |
1580 | } |
1527 | |
1581 | |
1528 | void |
1582 | void |
1529 | ev_check_start (EV_P_ struct ev_check *w) |
1583 | ev_check_start (EV_P_ ev_check *w) |
1530 | { |
1584 | { |
1531 | if (expect_false (ev_is_active (w))) |
1585 | if (expect_false (ev_is_active (w))) |
1532 | return; |
1586 | return; |
1533 | |
1587 | |
1534 | ev_start (EV_A_ (W)w, ++checkcnt); |
1588 | ev_start (EV_A_ (W)w, ++checkcnt); |
1535 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1589 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1536 | checks [checkcnt - 1] = w; |
1590 | checks [checkcnt - 1] = w; |
1537 | } |
1591 | } |
1538 | |
1592 | |
1539 | void |
1593 | void |
1540 | ev_check_stop (EV_P_ struct ev_check *w) |
1594 | ev_check_stop (EV_P_ ev_check *w) |
1541 | { |
1595 | { |
1542 | ev_clear_pending (EV_A_ (W)w); |
1596 | ev_clear_pending (EV_A_ (W)w); |
1543 | if (expect_false (!ev_is_active (w))) |
1597 | if (expect_false (!ev_is_active (w))) |
1544 | return; |
1598 | return; |
1545 | |
1599 | |
… | |
… | |
1550 | #ifndef SA_RESTART |
1604 | #ifndef SA_RESTART |
1551 | # define SA_RESTART 0 |
1605 | # define SA_RESTART 0 |
1552 | #endif |
1606 | #endif |
1553 | |
1607 | |
1554 | void |
1608 | void |
1555 | ev_signal_start (EV_P_ struct ev_signal *w) |
1609 | ev_signal_start (EV_P_ ev_signal *w) |
1556 | { |
1610 | { |
1557 | #if EV_MULTIPLICITY |
1611 | #if EV_MULTIPLICITY |
1558 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1612 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1559 | #endif |
1613 | #endif |
1560 | if (expect_false (ev_is_active (w))) |
1614 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1579 | #endif |
1633 | #endif |
1580 | } |
1634 | } |
1581 | } |
1635 | } |
1582 | |
1636 | |
1583 | void |
1637 | void |
1584 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1638 | ev_signal_stop (EV_P_ ev_signal *w) |
1585 | { |
1639 | { |
1586 | ev_clear_pending (EV_A_ (W)w); |
1640 | ev_clear_pending (EV_A_ (W)w); |
1587 | if (expect_false (!ev_is_active (w))) |
1641 | if (expect_false (!ev_is_active (w))) |
1588 | return; |
1642 | return; |
1589 | |
1643 | |
… | |
… | |
1593 | if (!signals [w->signum - 1].head) |
1647 | if (!signals [w->signum - 1].head) |
1594 | signal (w->signum, SIG_DFL); |
1648 | signal (w->signum, SIG_DFL); |
1595 | } |
1649 | } |
1596 | |
1650 | |
1597 | void |
1651 | void |
1598 | ev_child_start (EV_P_ struct ev_child *w) |
1652 | ev_child_start (EV_P_ ev_child *w) |
1599 | { |
1653 | { |
1600 | #if EV_MULTIPLICITY |
1654 | #if EV_MULTIPLICITY |
1601 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1655 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1602 | #endif |
1656 | #endif |
1603 | if (expect_false (ev_is_active (w))) |
1657 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1606 | ev_start (EV_A_ (W)w, 1); |
1660 | ev_start (EV_A_ (W)w, 1); |
1607 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1661 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1608 | } |
1662 | } |
1609 | |
1663 | |
1610 | void |
1664 | void |
1611 | ev_child_stop (EV_P_ struct ev_child *w) |
1665 | ev_child_stop (EV_P_ ev_child *w) |
1612 | { |
1666 | { |
1613 | ev_clear_pending (EV_A_ (W)w); |
1667 | ev_clear_pending (EV_A_ (W)w); |
1614 | if (expect_false (!ev_is_active (w))) |
1668 | if (expect_false (!ev_is_active (w))) |
1615 | return; |
1669 | return; |
1616 | |
1670 | |
1617 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1671 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1618 | ev_stop (EV_A_ (W)w); |
1672 | ev_stop (EV_A_ (W)w); |
1619 | } |
1673 | } |
1620 | |
1674 | |
|
|
1675 | #if EV_MULTIPLICITY |
|
|
1676 | void |
|
|
1677 | ev_embed_loop (EV_P_ ev_embed *w) |
|
|
1678 | { |
|
|
1679 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1680 | } |
|
|
1681 | |
|
|
1682 | static void |
|
|
1683 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
1684 | { |
|
|
1685 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
1686 | |
|
|
1687 | if (ev_cb (w)) |
|
|
1688 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1689 | else |
|
|
1690 | ev_embed_loop (loop, w); |
|
|
1691 | } |
|
|
1692 | |
|
|
1693 | void |
|
|
1694 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
1695 | { |
|
|
1696 | if (expect_false (ev_is_active (w))) |
|
|
1697 | return; |
|
|
1698 | |
|
|
1699 | { |
|
|
1700 | struct ev_loop *loop = w->loop; |
|
|
1701 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1702 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1703 | } |
|
|
1704 | |
|
|
1705 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
1706 | ev_io_start (EV_A_ &w->io); |
|
|
1707 | ev_start (EV_A_ (W)w, 1); |
|
|
1708 | } |
|
|
1709 | |
|
|
1710 | void |
|
|
1711 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
1712 | { |
|
|
1713 | ev_clear_pending (EV_A_ (W)w); |
|
|
1714 | if (expect_false (!ev_is_active (w))) |
|
|
1715 | return; |
|
|
1716 | |
|
|
1717 | ev_io_stop (EV_A_ &w->io); |
|
|
1718 | ev_stop (EV_A_ (W)w); |
|
|
1719 | } |
|
|
1720 | #endif |
|
|
1721 | |
1621 | /*****************************************************************************/ |
1722 | /*****************************************************************************/ |
1622 | |
1723 | |
1623 | struct ev_once |
1724 | struct ev_once |
1624 | { |
1725 | { |
1625 | struct ev_io io; |
1726 | ev_io io; |
1626 | struct ev_timer to; |
1727 | ev_timer to; |
1627 | void (*cb)(int revents, void *arg); |
1728 | void (*cb)(int revents, void *arg); |
1628 | void *arg; |
1729 | void *arg; |
1629 | }; |
1730 | }; |
1630 | |
1731 | |
1631 | static void |
1732 | static void |
… | |
… | |
1640 | |
1741 | |
1641 | cb (revents, arg); |
1742 | cb (revents, arg); |
1642 | } |
1743 | } |
1643 | |
1744 | |
1644 | static void |
1745 | static void |
1645 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
1746 | once_cb_io (EV_P_ ev_io *w, int revents) |
1646 | { |
1747 | { |
1647 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1748 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1648 | } |
1749 | } |
1649 | |
1750 | |
1650 | static void |
1751 | static void |
1651 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
1752 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1652 | { |
1753 | { |
1653 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1754 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1654 | } |
1755 | } |
1655 | |
1756 | |
1656 | void |
1757 | void |