… | |
… | |
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 |
43 | # ifndef EV_USE_REALTIME |
47 | # ifndef EV_USE_REALTIME |
44 | # define EV_USE_REALTIME 1 |
48 | # define EV_USE_REALTIME 1 |
45 | # endif |
49 | # endif |
|
|
50 | # else |
|
|
51 | # ifndef EV_USE_MONOTONIC |
|
|
52 | # define EV_USE_MONOTONIC 0 |
|
|
53 | # endif |
|
|
54 | # ifndef EV_USE_REALTIME |
|
|
55 | # define EV_USE_REALTIME 0 |
|
|
56 | # endif |
46 | # endif |
57 | # endif |
47 | |
58 | |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
59 | # ifndef EV_USE_SELECT |
|
|
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
49 | # define EV_USE_SELECT 1 |
61 | # define EV_USE_SELECT 1 |
|
|
62 | # else |
|
|
63 | # define EV_USE_SELECT 0 |
|
|
64 | # endif |
50 | # endif |
65 | # endif |
51 | |
66 | |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
67 | # ifndef EV_USE_POLL |
|
|
68 | # if HAVE_POLL && HAVE_POLL_H |
53 | # define EV_USE_POLL 1 |
69 | # define EV_USE_POLL 1 |
|
|
70 | # else |
|
|
71 | # define EV_USE_POLL 0 |
|
|
72 | # endif |
54 | # endif |
73 | # endif |
55 | |
74 | |
56 | # 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 |
57 | # define EV_USE_EPOLL 1 |
77 | # define EV_USE_EPOLL 1 |
|
|
78 | # else |
|
|
79 | # define EV_USE_EPOLL 0 |
|
|
80 | # endif |
58 | # endif |
81 | # endif |
59 | |
82 | |
|
|
83 | # ifndef EV_USE_KQUEUE |
60 | # 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 |
61 | # define EV_USE_KQUEUE 1 |
85 | # define EV_USE_KQUEUE 1 |
|
|
86 | # else |
|
|
87 | # define EV_USE_KQUEUE 0 |
|
|
88 | # endif |
|
|
89 | # endif |
|
|
90 | |
|
|
91 | # ifndef EV_USE_PORT |
|
|
92 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
|
|
93 | # define EV_USE_PORT 1 |
|
|
94 | # else |
|
|
95 | # define EV_USE_PORT 0 |
|
|
96 | # endif |
62 | # endif |
97 | # endif |
63 | |
98 | |
64 | #endif |
99 | #endif |
65 | |
100 | |
66 | #include <math.h> |
101 | #include <math.h> |
… | |
… | |
90 | #endif |
125 | #endif |
91 | |
126 | |
92 | /**/ |
127 | /**/ |
93 | |
128 | |
94 | #ifndef EV_USE_MONOTONIC |
129 | #ifndef EV_USE_MONOTONIC |
95 | # define EV_USE_MONOTONIC 1 |
130 | # define EV_USE_MONOTONIC 0 |
|
|
131 | #endif |
|
|
132 | |
|
|
133 | #ifndef EV_USE_REALTIME |
|
|
134 | # define EV_USE_REALTIME 0 |
96 | #endif |
135 | #endif |
97 | |
136 | |
98 | #ifndef EV_USE_SELECT |
137 | #ifndef EV_USE_SELECT |
99 | # define EV_USE_SELECT 1 |
138 | # define EV_USE_SELECT 1 |
100 | # define EV_SELECT_USE_FD_SET 1 |
|
|
101 | #endif |
139 | #endif |
102 | |
140 | |
103 | #ifndef EV_USE_POLL |
141 | #ifndef EV_USE_POLL |
104 | # ifdef _WIN32 |
142 | # ifdef _WIN32 |
105 | # define EV_USE_POLL 0 |
143 | # define EV_USE_POLL 0 |
… | |
… | |
114 | |
152 | |
115 | #ifndef EV_USE_KQUEUE |
153 | #ifndef EV_USE_KQUEUE |
116 | # define EV_USE_KQUEUE 0 |
154 | # define EV_USE_KQUEUE 0 |
117 | #endif |
155 | #endif |
118 | |
156 | |
119 | #ifndef EV_USE_REALTIME |
157 | #ifndef EV_USE_PORT |
120 | # define EV_USE_REALTIME 1 |
158 | # define EV_USE_PORT 0 |
121 | #endif |
159 | #endif |
122 | |
160 | |
123 | /**/ |
161 | /**/ |
124 | |
|
|
125 | /* darwin simply cannot be helped */ |
|
|
126 | #ifdef __APPLE__ |
|
|
127 | # undef EV_USE_POLL |
|
|
128 | # undef EV_USE_KQUEUE |
|
|
129 | #endif |
|
|
130 | |
162 | |
131 | #ifndef CLOCK_MONOTONIC |
163 | #ifndef CLOCK_MONOTONIC |
132 | # undef EV_USE_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
133 | # define EV_USE_MONOTONIC 0 |
165 | # define EV_USE_MONOTONIC 0 |
134 | #endif |
166 | #endif |
… | |
… | |
143 | #endif |
175 | #endif |
144 | |
176 | |
145 | /**/ |
177 | /**/ |
146 | |
178 | |
147 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
148 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
180 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
149 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
181 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
150 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
182 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
151 | |
183 | |
152 | #ifdef EV_H |
184 | #ifdef EV_H |
153 | # include EV_H |
185 | # include EV_H |
154 | #else |
186 | #else |
155 | # include "ev.h" |
187 | # include "ev.h" |
156 | #endif |
188 | #endif |
157 | |
189 | |
158 | #if __GNUC__ >= 3 |
190 | #if __GNUC__ >= 3 |
159 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
160 | # define inline inline |
192 | # define inline static inline |
161 | #else |
193 | #else |
162 | # define expect(expr,value) (expr) |
194 | # define expect(expr,value) (expr) |
163 | # define inline static |
195 | # define inline static |
164 | #endif |
196 | #endif |
165 | |
197 | |
… | |
… | |
359 | void |
391 | void |
360 | ev_feed_event (EV_P_ void *w, int revents) |
392 | ev_feed_event (EV_P_ void *w, int revents) |
361 | { |
393 | { |
362 | W w_ = (W)w; |
394 | W w_ = (W)w; |
363 | |
395 | |
364 | if (w_->pending) |
396 | if (expect_false (w_->pending)) |
365 | { |
397 | { |
366 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
398 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
367 | return; |
399 | return; |
368 | } |
400 | } |
|
|
401 | |
|
|
402 | if (expect_false (!w_->cb)) |
|
|
403 | return; |
369 | |
404 | |
370 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
405 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
371 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
406 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
372 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
407 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
373 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
408 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
… | |
… | |
403 | fd_event (EV_A_ fd, revents); |
438 | fd_event (EV_A_ fd, revents); |
404 | } |
439 | } |
405 | |
440 | |
406 | /*****************************************************************************/ |
441 | /*****************************************************************************/ |
407 | |
442 | |
408 | static void |
443 | inline void |
409 | fd_reify (EV_P) |
444 | fd_reify (EV_P) |
410 | { |
445 | { |
411 | int i; |
446 | int i; |
412 | |
447 | |
413 | for (i = 0; i < fdchangecnt; ++i) |
448 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
430 | } |
465 | } |
431 | #endif |
466 | #endif |
432 | |
467 | |
433 | anfd->reify = 0; |
468 | anfd->reify = 0; |
434 | |
469 | |
435 | method_modify (EV_A_ fd, anfd->events, events); |
470 | backend_modify (EV_A_ fd, anfd->events, events); |
436 | anfd->events = events; |
471 | anfd->events = events; |
437 | } |
472 | } |
438 | |
473 | |
439 | fdchangecnt = 0; |
474 | fdchangecnt = 0; |
440 | } |
475 | } |
441 | |
476 | |
442 | static void |
477 | static void |
443 | fd_change (EV_P_ int fd) |
478 | fd_change (EV_P_ int fd) |
444 | { |
479 | { |
445 | if (anfds [fd].reify) |
480 | if (expect_false (anfds [fd].reify)) |
446 | return; |
481 | return; |
447 | |
482 | |
448 | anfds [fd].reify = 1; |
483 | anfds [fd].reify = 1; |
449 | |
484 | |
450 | ++fdchangecnt; |
485 | ++fdchangecnt; |
… | |
… | |
462 | ev_io_stop (EV_A_ w); |
497 | ev_io_stop (EV_A_ w); |
463 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
498 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
464 | } |
499 | } |
465 | } |
500 | } |
466 | |
501 | |
467 | static int |
502 | inline int |
468 | fd_valid (int fd) |
503 | fd_valid (int fd) |
469 | { |
504 | { |
470 | #ifdef _WIN32 |
505 | #ifdef _WIN32 |
471 | return _get_osfhandle (fd) != -1; |
506 | return _get_osfhandle (fd) != -1; |
472 | #else |
507 | #else |
… | |
… | |
498 | fd_kill (EV_A_ fd); |
533 | fd_kill (EV_A_ fd); |
499 | return; |
534 | return; |
500 | } |
535 | } |
501 | } |
536 | } |
502 | |
537 | |
503 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
538 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
504 | static void |
539 | static void |
505 | fd_rearm_all (EV_P) |
540 | fd_rearm_all (EV_P) |
506 | { |
541 | { |
507 | int fd; |
542 | int fd; |
508 | |
543 | |
… | |
… | |
641 | for (signum = signalmax; signum--; ) |
676 | for (signum = signalmax; signum--; ) |
642 | if (signals [signum].gotsig) |
677 | if (signals [signum].gotsig) |
643 | ev_feed_signal_event (EV_A_ signum + 1); |
678 | ev_feed_signal_event (EV_A_ signum + 1); |
644 | } |
679 | } |
645 | |
680 | |
646 | inline void |
681 | static void |
647 | fd_intern (int fd) |
682 | fd_intern (int fd) |
648 | { |
683 | { |
649 | #ifdef _WIN32 |
684 | #ifdef _WIN32 |
650 | int arg = 1; |
685 | int arg = 1; |
651 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
686 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
699 | int pid, status; |
734 | int pid, status; |
700 | |
735 | |
701 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
736 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
702 | { |
737 | { |
703 | /* make sure we are called again until all childs have been reaped */ |
738 | /* make sure we are called again until all childs have been reaped */ |
|
|
739 | /* we need to do it this way so that the callback gets called before we continue */ |
704 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
740 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
705 | |
741 | |
706 | child_reap (EV_A_ sw, pid, pid, status); |
742 | child_reap (EV_A_ sw, pid, pid, status); |
707 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
743 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
708 | } |
744 | } |
709 | } |
745 | } |
710 | |
746 | |
711 | #endif |
747 | #endif |
712 | |
748 | |
713 | /*****************************************************************************/ |
749 | /*****************************************************************************/ |
714 | |
750 | |
|
|
751 | #if EV_USE_PORT |
|
|
752 | # include "ev_port.c" |
|
|
753 | #endif |
715 | #if EV_USE_KQUEUE |
754 | #if EV_USE_KQUEUE |
716 | # include "ev_kqueue.c" |
755 | # include "ev_kqueue.c" |
717 | #endif |
756 | #endif |
718 | #if EV_USE_EPOLL |
757 | #if EV_USE_EPOLL |
719 | # include "ev_epoll.c" |
758 | # include "ev_epoll.c" |
… | |
… | |
748 | || getgid () != getegid (); |
787 | || getgid () != getegid (); |
749 | #endif |
788 | #endif |
750 | } |
789 | } |
751 | |
790 | |
752 | unsigned int |
791 | unsigned int |
753 | ev_method (EV_P) |
792 | ev_supported_backends (void) |
754 | { |
793 | { |
755 | return method; |
794 | unsigned int flags = 0; |
|
|
795 | |
|
|
796 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
797 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
798 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
799 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
800 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
801 | |
|
|
802 | return flags; |
|
|
803 | } |
|
|
804 | |
|
|
805 | unsigned int |
|
|
806 | ev_recommended_backends (void) |
|
|
807 | { |
|
|
808 | unsigned int flags = ev_supported_backends (); |
|
|
809 | |
|
|
810 | #ifndef __NetBSD__ |
|
|
811 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
812 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
813 | flags &= ~EVBACKEND_KQUEUE; |
|
|
814 | #endif |
|
|
815 | #ifdef __APPLE__ |
|
|
816 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
817 | flags &= ~EVBACKEND_POLL; |
|
|
818 | #endif |
|
|
819 | |
|
|
820 | return flags; |
|
|
821 | } |
|
|
822 | |
|
|
823 | unsigned int |
|
|
824 | ev_embeddable_backends (void) |
|
|
825 | { |
|
|
826 | return EVBACKEND_EPOLL |
|
|
827 | | EVBACKEND_KQUEUE |
|
|
828 | | EVBACKEND_PORT; |
|
|
829 | } |
|
|
830 | |
|
|
831 | unsigned int |
|
|
832 | ev_backend (EV_P) |
|
|
833 | { |
|
|
834 | return backend; |
756 | } |
835 | } |
757 | |
836 | |
758 | static void |
837 | static void |
759 | loop_init (EV_P_ unsigned int flags) |
838 | loop_init (EV_P_ unsigned int flags) |
760 | { |
839 | { |
761 | if (!method) |
840 | if (!backend) |
762 | { |
841 | { |
763 | #if EV_USE_MONOTONIC |
842 | #if EV_USE_MONOTONIC |
764 | { |
843 | { |
765 | struct timespec ts; |
844 | struct timespec ts; |
766 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
845 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
771 | ev_rt_now = ev_time (); |
850 | ev_rt_now = ev_time (); |
772 | mn_now = get_clock (); |
851 | mn_now = get_clock (); |
773 | now_floor = mn_now; |
852 | now_floor = mn_now; |
774 | rtmn_diff = ev_rt_now - mn_now; |
853 | rtmn_diff = ev_rt_now - mn_now; |
775 | |
854 | |
776 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
855 | if (!(flags & EVFLAG_NOENV) |
|
|
856 | && !enable_secure () |
|
|
857 | && getenv ("LIBEV_FLAGS")) |
777 | flags = atoi (getenv ("LIBEV_FLAGS")); |
858 | flags = atoi (getenv ("LIBEV_FLAGS")); |
778 | |
859 | |
779 | if (!(flags & 0x0000ffff)) |
860 | if (!(flags & 0x0000ffffUL)) |
780 | flags |= 0x0000ffff; |
861 | flags |= ev_recommended_backends (); |
781 | |
862 | |
782 | method = 0; |
863 | backend = 0; |
|
|
864 | #if EV_USE_PORT |
|
|
865 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
|
|
866 | #endif |
783 | #if EV_USE_KQUEUE |
867 | #if EV_USE_KQUEUE |
784 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
868 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
785 | #endif |
869 | #endif |
786 | #if EV_USE_EPOLL |
870 | #if EV_USE_EPOLL |
787 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
871 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
788 | #endif |
872 | #endif |
789 | #if EV_USE_POLL |
873 | #if EV_USE_POLL |
790 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
874 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
791 | #endif |
875 | #endif |
792 | #if EV_USE_SELECT |
876 | #if EV_USE_SELECT |
793 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
877 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
794 | #endif |
878 | #endif |
795 | |
879 | |
796 | ev_init (&sigev, sigcb); |
880 | ev_init (&sigev, sigcb); |
797 | ev_set_priority (&sigev, EV_MAXPRI); |
881 | ev_set_priority (&sigev, EV_MAXPRI); |
798 | } |
882 | } |
799 | } |
883 | } |
800 | |
884 | |
801 | void |
885 | static void |
802 | loop_destroy (EV_P) |
886 | loop_destroy (EV_P) |
803 | { |
887 | { |
804 | int i; |
888 | int i; |
805 | |
889 | |
|
|
890 | #if EV_USE_PORT |
|
|
891 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
|
|
892 | #endif |
806 | #if EV_USE_KQUEUE |
893 | #if EV_USE_KQUEUE |
807 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
894 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
808 | #endif |
895 | #endif |
809 | #if EV_USE_EPOLL |
896 | #if EV_USE_EPOLL |
810 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
897 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
811 | #endif |
898 | #endif |
812 | #if EV_USE_POLL |
899 | #if EV_USE_POLL |
813 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
900 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
814 | #endif |
901 | #endif |
815 | #if EV_USE_SELECT |
902 | #if EV_USE_SELECT |
816 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
903 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
817 | #endif |
904 | #endif |
818 | |
905 | |
819 | for (i = NUMPRI; i--; ) |
906 | for (i = NUMPRI; i--; ) |
820 | array_free (pending, [i]); |
907 | array_free (pending, [i]); |
821 | |
908 | |
… | |
… | |
827 | #endif |
914 | #endif |
828 | array_free (idle, EMPTY0); |
915 | array_free (idle, EMPTY0); |
829 | array_free (prepare, EMPTY0); |
916 | array_free (prepare, EMPTY0); |
830 | array_free (check, EMPTY0); |
917 | array_free (check, EMPTY0); |
831 | |
918 | |
832 | method = 0; |
919 | backend = 0; |
833 | } |
920 | } |
834 | |
921 | |
835 | static void |
922 | static void |
836 | loop_fork (EV_P) |
923 | loop_fork (EV_P) |
837 | { |
924 | { |
|
|
925 | #if EV_USE_PORT |
|
|
926 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
927 | #endif |
|
|
928 | #if EV_USE_KQUEUE |
|
|
929 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
930 | #endif |
838 | #if EV_USE_EPOLL |
931 | #if EV_USE_EPOLL |
839 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
932 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
840 | #endif |
|
|
841 | #if EV_USE_KQUEUE |
|
|
842 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
843 | #endif |
933 | #endif |
844 | |
934 | |
845 | if (ev_is_active (&sigev)) |
935 | if (ev_is_active (&sigev)) |
846 | { |
936 | { |
847 | /* default loop */ |
937 | /* default loop */ |
… | |
… | |
868 | |
958 | |
869 | memset (loop, 0, sizeof (struct ev_loop)); |
959 | memset (loop, 0, sizeof (struct ev_loop)); |
870 | |
960 | |
871 | loop_init (EV_A_ flags); |
961 | loop_init (EV_A_ flags); |
872 | |
962 | |
873 | if (ev_method (EV_A)) |
963 | if (ev_backend (EV_A)) |
874 | return loop; |
964 | return loop; |
875 | |
965 | |
876 | return 0; |
966 | return 0; |
877 | } |
967 | } |
878 | |
968 | |
… | |
… | |
891 | |
981 | |
892 | #endif |
982 | #endif |
893 | |
983 | |
894 | #if EV_MULTIPLICITY |
984 | #if EV_MULTIPLICITY |
895 | struct ev_loop * |
985 | struct ev_loop * |
896 | ev_default_loop_ (unsigned int flags) |
986 | ev_default_loop_init (unsigned int flags) |
897 | #else |
987 | #else |
898 | int |
988 | int |
899 | ev_default_loop (unsigned int flags) |
989 | ev_default_loop (unsigned int flags) |
900 | #endif |
990 | #endif |
901 | { |
991 | { |
… | |
… | |
906 | if (!ev_default_loop_ptr) |
996 | if (!ev_default_loop_ptr) |
907 | { |
997 | { |
908 | #if EV_MULTIPLICITY |
998 | #if EV_MULTIPLICITY |
909 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
999 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
910 | #else |
1000 | #else |
911 | ev_default_default_loop_ptr = 1; |
1001 | ev_default_loop_ptr = 1; |
912 | #endif |
1002 | #endif |
913 | |
1003 | |
914 | loop_init (EV_A_ flags); |
1004 | loop_init (EV_A_ flags); |
915 | |
1005 | |
916 | if (ev_method (EV_A)) |
1006 | if (ev_backend (EV_A)) |
917 | { |
1007 | { |
918 | siginit (EV_A); |
1008 | siginit (EV_A); |
919 | |
1009 | |
920 | #ifndef _WIN32 |
1010 | #ifndef _WIN32 |
921 | ev_signal_init (&childev, childcb, SIGCHLD); |
1011 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
957 | { |
1047 | { |
958 | #if EV_MULTIPLICITY |
1048 | #if EV_MULTIPLICITY |
959 | struct ev_loop *loop = ev_default_loop_ptr; |
1049 | struct ev_loop *loop = ev_default_loop_ptr; |
960 | #endif |
1050 | #endif |
961 | |
1051 | |
962 | if (method) |
1052 | if (backend) |
963 | postfork = 1; |
1053 | postfork = 1; |
964 | } |
1054 | } |
965 | |
1055 | |
966 | /*****************************************************************************/ |
1056 | /*****************************************************************************/ |
967 | |
1057 | |
… | |
… | |
975 | return 1; |
1065 | return 1; |
976 | |
1066 | |
977 | return 0; |
1067 | return 0; |
978 | } |
1068 | } |
979 | |
1069 | |
980 | static void |
1070 | inline void |
981 | call_pending (EV_P) |
1071 | call_pending (EV_P) |
982 | { |
1072 | { |
983 | int pri; |
1073 | int pri; |
984 | |
1074 | |
985 | for (pri = NUMPRI; pri--; ) |
1075 | for (pri = NUMPRI; pri--; ) |
986 | while (pendingcnt [pri]) |
1076 | while (pendingcnt [pri]) |
987 | { |
1077 | { |
988 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1078 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
989 | |
1079 | |
990 | if (p->w) |
1080 | if (expect_true (p->w)) |
991 | { |
1081 | { |
992 | p->w->pending = 0; |
1082 | p->w->pending = 0; |
993 | EV_CB_INVOKE (p->w, p->events); |
1083 | EV_CB_INVOKE (p->w, p->events); |
994 | } |
1084 | } |
995 | } |
1085 | } |
996 | } |
1086 | } |
997 | |
1087 | |
998 | static void |
1088 | inline void |
999 | timers_reify (EV_P) |
1089 | timers_reify (EV_P) |
1000 | { |
1090 | { |
1001 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1091 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1002 | { |
1092 | { |
1003 | struct ev_timer *w = timers [0]; |
1093 | struct ev_timer *w = timers [0]; |
… | |
… | |
1021 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1111 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1022 | } |
1112 | } |
1023 | } |
1113 | } |
1024 | |
1114 | |
1025 | #if EV_PERIODICS |
1115 | #if EV_PERIODICS |
1026 | static void |
1116 | inline void |
1027 | periodics_reify (EV_P) |
1117 | periodics_reify (EV_P) |
1028 | { |
1118 | { |
1029 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1119 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1030 | { |
1120 | { |
1031 | struct ev_periodic *w = periodics [0]; |
1121 | struct ev_periodic *w = periodics [0]; |
… | |
… | |
1090 | ev_rt_now = ev_time (); |
1180 | ev_rt_now = ev_time (); |
1091 | return 1; |
1181 | return 1; |
1092 | } |
1182 | } |
1093 | } |
1183 | } |
1094 | |
1184 | |
1095 | static void |
1185 | inline void |
1096 | time_update (EV_P) |
1186 | time_update (EV_P) |
1097 | { |
1187 | { |
1098 | int i; |
1188 | int i; |
1099 | |
1189 | |
1100 | #if EV_USE_MONOTONIC |
1190 | #if EV_USE_MONOTONIC |
… | |
… | |
1158 | static int loop_done; |
1248 | static int loop_done; |
1159 | |
1249 | |
1160 | void |
1250 | void |
1161 | ev_loop (EV_P_ int flags) |
1251 | ev_loop (EV_P_ int flags) |
1162 | { |
1252 | { |
1163 | double block; |
|
|
1164 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1253 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1254 | ? EVUNLOOP_ONE |
|
|
1255 | : EVUNLOOP_CANCEL; |
1165 | |
1256 | |
1166 | while (activecnt) |
1257 | while (activecnt) |
1167 | { |
1258 | { |
1168 | /* queue check watchers (and execute them) */ |
1259 | /* queue check watchers (and execute them) */ |
1169 | if (expect_false (preparecnt)) |
1260 | if (expect_false (preparecnt)) |
… | |
… | |
1178 | |
1269 | |
1179 | /* update fd-related kernel structures */ |
1270 | /* update fd-related kernel structures */ |
1180 | fd_reify (EV_A); |
1271 | fd_reify (EV_A); |
1181 | |
1272 | |
1182 | /* calculate blocking time */ |
1273 | /* calculate blocking time */ |
|
|
1274 | { |
|
|
1275 | double block; |
1183 | |
1276 | |
1184 | /* we only need this for !monotonic clock or timers, but as we basically |
1277 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1185 | always have timers, we just calculate it always */ |
1278 | block = 0.; /* do not block at all */ |
|
|
1279 | else |
|
|
1280 | { |
|
|
1281 | /* update time to cancel out callback processing overhead */ |
1186 | #if EV_USE_MONOTONIC |
1282 | #if EV_USE_MONOTONIC |
1187 | if (expect_true (have_monotonic)) |
1283 | if (expect_true (have_monotonic)) |
1188 | time_update_monotonic (EV_A); |
1284 | time_update_monotonic (EV_A); |
1189 | else |
1285 | else |
1190 | #endif |
1286 | #endif |
1191 | { |
1287 | { |
1192 | ev_rt_now = ev_time (); |
1288 | ev_rt_now = ev_time (); |
1193 | mn_now = ev_rt_now; |
1289 | mn_now = ev_rt_now; |
1194 | } |
1290 | } |
1195 | |
1291 | |
1196 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1197 | block = 0.; |
|
|
1198 | else |
|
|
1199 | { |
|
|
1200 | block = MAX_BLOCKTIME; |
1292 | block = MAX_BLOCKTIME; |
1201 | |
1293 | |
1202 | if (timercnt) |
1294 | if (timercnt) |
1203 | { |
1295 | { |
1204 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1296 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1205 | if (block > to) block = to; |
1297 | if (block > to) block = to; |
1206 | } |
1298 | } |
1207 | |
1299 | |
1208 | #if EV_PERIODICS |
1300 | #if EV_PERIODICS |
1209 | if (periodiccnt) |
1301 | if (periodiccnt) |
1210 | { |
1302 | { |
1211 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1303 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1212 | if (block > to) block = to; |
1304 | if (block > to) block = to; |
1213 | } |
1305 | } |
1214 | #endif |
1306 | #endif |
1215 | |
1307 | |
1216 | if (block < 0.) block = 0.; |
1308 | if (expect_false (block < 0.)) block = 0.; |
1217 | } |
1309 | } |
1218 | |
1310 | |
1219 | method_poll (EV_A_ block); |
1311 | backend_poll (EV_A_ block); |
|
|
1312 | } |
1220 | |
1313 | |
1221 | /* update ev_rt_now, do magic */ |
1314 | /* update ev_rt_now, do magic */ |
1222 | time_update (EV_A); |
1315 | time_update (EV_A); |
1223 | |
1316 | |
1224 | /* queue pending timers and reschedule them */ |
1317 | /* queue pending timers and reschedule them */ |
… | |
… | |
1230 | /* queue idle watchers unless io or timers are pending */ |
1323 | /* queue idle watchers unless io or timers are pending */ |
1231 | if (idlecnt && !any_pending (EV_A)) |
1324 | if (idlecnt && !any_pending (EV_A)) |
1232 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1325 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1233 | |
1326 | |
1234 | /* queue check watchers, to be executed first */ |
1327 | /* queue check watchers, to be executed first */ |
1235 | if (checkcnt) |
1328 | if (expect_false (checkcnt)) |
1236 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1329 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1237 | |
1330 | |
1238 | call_pending (EV_A); |
1331 | call_pending (EV_A); |
1239 | |
1332 | |
1240 | if (loop_done) |
1333 | if (expect_false (loop_done)) |
1241 | break; |
1334 | break; |
1242 | } |
1335 | } |
1243 | |
1336 | |
1244 | if (loop_done != 2) |
1337 | if (loop_done == EVUNLOOP_ONE) |
1245 | loop_done = 0; |
1338 | loop_done = EVUNLOOP_CANCEL; |
1246 | } |
1339 | } |
1247 | |
1340 | |
1248 | void |
1341 | void |
1249 | ev_unloop (EV_P_ int how) |
1342 | ev_unloop (EV_P_ int how) |
1250 | { |
1343 | { |
… | |
… | |
1307 | void |
1400 | void |
1308 | ev_io_start (EV_P_ struct ev_io *w) |
1401 | ev_io_start (EV_P_ struct ev_io *w) |
1309 | { |
1402 | { |
1310 | int fd = w->fd; |
1403 | int fd = w->fd; |
1311 | |
1404 | |
1312 | if (ev_is_active (w)) |
1405 | if (expect_false (ev_is_active (w))) |
1313 | return; |
1406 | return; |
1314 | |
1407 | |
1315 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1408 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1316 | |
1409 | |
1317 | ev_start (EV_A_ (W)w, 1); |
1410 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1323 | |
1416 | |
1324 | void |
1417 | void |
1325 | ev_io_stop (EV_P_ struct ev_io *w) |
1418 | ev_io_stop (EV_P_ struct ev_io *w) |
1326 | { |
1419 | { |
1327 | ev_clear_pending (EV_A_ (W)w); |
1420 | ev_clear_pending (EV_A_ (W)w); |
1328 | if (!ev_is_active (w)) |
1421 | if (expect_false (!ev_is_active (w))) |
1329 | return; |
1422 | return; |
1330 | |
1423 | |
1331 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1424 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1332 | |
1425 | |
1333 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1426 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
… | |
… | |
1337 | } |
1430 | } |
1338 | |
1431 | |
1339 | void |
1432 | void |
1340 | ev_timer_start (EV_P_ struct ev_timer *w) |
1433 | ev_timer_start (EV_P_ struct ev_timer *w) |
1341 | { |
1434 | { |
1342 | if (ev_is_active (w)) |
1435 | if (expect_false (ev_is_active (w))) |
1343 | return; |
1436 | return; |
1344 | |
1437 | |
1345 | ((WT)w)->at += mn_now; |
1438 | ((WT)w)->at += mn_now; |
1346 | |
1439 | |
1347 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1440 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
… | |
… | |
1356 | |
1449 | |
1357 | void |
1450 | void |
1358 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1451 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1359 | { |
1452 | { |
1360 | ev_clear_pending (EV_A_ (W)w); |
1453 | ev_clear_pending (EV_A_ (W)w); |
1361 | if (!ev_is_active (w)) |
1454 | if (expect_false (!ev_is_active (w))) |
1362 | return; |
1455 | return; |
1363 | |
1456 | |
1364 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1457 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1365 | |
1458 | |
1366 | if (((W)w)->active < timercnt--) |
1459 | if (expect_true (((W)w)->active < timercnt--)) |
1367 | { |
1460 | { |
1368 | timers [((W)w)->active - 1] = timers [timercnt]; |
1461 | timers [((W)w)->active - 1] = timers [timercnt]; |
1369 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1462 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1370 | } |
1463 | } |
1371 | |
1464 | |
… | |
… | |
1396 | |
1489 | |
1397 | #if EV_PERIODICS |
1490 | #if EV_PERIODICS |
1398 | void |
1491 | void |
1399 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1492 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1400 | { |
1493 | { |
1401 | if (ev_is_active (w)) |
1494 | if (expect_false (ev_is_active (w))) |
1402 | return; |
1495 | return; |
1403 | |
1496 | |
1404 | if (w->reschedule_cb) |
1497 | if (w->reschedule_cb) |
1405 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1498 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1406 | else if (w->interval) |
1499 | else if (w->interval) |
… | |
… | |
1420 | |
1513 | |
1421 | void |
1514 | void |
1422 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1515 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1423 | { |
1516 | { |
1424 | ev_clear_pending (EV_A_ (W)w); |
1517 | ev_clear_pending (EV_A_ (W)w); |
1425 | if (!ev_is_active (w)) |
1518 | if (expect_false (!ev_is_active (w))) |
1426 | return; |
1519 | return; |
1427 | |
1520 | |
1428 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1521 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1429 | |
1522 | |
1430 | if (((W)w)->active < periodiccnt--) |
1523 | if (expect_true (((W)w)->active < periodiccnt--)) |
1431 | { |
1524 | { |
1432 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1525 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1433 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1526 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1434 | } |
1527 | } |
1435 | |
1528 | |
… | |
… | |
1446 | #endif |
1539 | #endif |
1447 | |
1540 | |
1448 | void |
1541 | void |
1449 | ev_idle_start (EV_P_ struct ev_idle *w) |
1542 | ev_idle_start (EV_P_ struct ev_idle *w) |
1450 | { |
1543 | { |
1451 | if (ev_is_active (w)) |
1544 | if (expect_false (ev_is_active (w))) |
1452 | return; |
1545 | return; |
1453 | |
1546 | |
1454 | ev_start (EV_A_ (W)w, ++idlecnt); |
1547 | ev_start (EV_A_ (W)w, ++idlecnt); |
1455 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1548 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1456 | idles [idlecnt - 1] = w; |
1549 | idles [idlecnt - 1] = w; |
… | |
… | |
1458 | |
1551 | |
1459 | void |
1552 | void |
1460 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1553 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1461 | { |
1554 | { |
1462 | ev_clear_pending (EV_A_ (W)w); |
1555 | ev_clear_pending (EV_A_ (W)w); |
1463 | if (!ev_is_active (w)) |
1556 | if (expect_false (!ev_is_active (w))) |
1464 | return; |
1557 | return; |
1465 | |
1558 | |
1466 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1559 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1467 | ev_stop (EV_A_ (W)w); |
1560 | ev_stop (EV_A_ (W)w); |
1468 | } |
1561 | } |
1469 | |
1562 | |
1470 | void |
1563 | void |
1471 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1564 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1472 | { |
1565 | { |
1473 | if (ev_is_active (w)) |
1566 | if (expect_false (ev_is_active (w))) |
1474 | return; |
1567 | return; |
1475 | |
1568 | |
1476 | ev_start (EV_A_ (W)w, ++preparecnt); |
1569 | ev_start (EV_A_ (W)w, ++preparecnt); |
1477 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1570 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1478 | prepares [preparecnt - 1] = w; |
1571 | prepares [preparecnt - 1] = w; |
… | |
… | |
1480 | |
1573 | |
1481 | void |
1574 | void |
1482 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1575 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1483 | { |
1576 | { |
1484 | ev_clear_pending (EV_A_ (W)w); |
1577 | ev_clear_pending (EV_A_ (W)w); |
1485 | if (!ev_is_active (w)) |
1578 | if (expect_false (!ev_is_active (w))) |
1486 | return; |
1579 | return; |
1487 | |
1580 | |
1488 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1581 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1489 | ev_stop (EV_A_ (W)w); |
1582 | ev_stop (EV_A_ (W)w); |
1490 | } |
1583 | } |
1491 | |
1584 | |
1492 | void |
1585 | void |
1493 | ev_check_start (EV_P_ struct ev_check *w) |
1586 | ev_check_start (EV_P_ struct ev_check *w) |
1494 | { |
1587 | { |
1495 | if (ev_is_active (w)) |
1588 | if (expect_false (ev_is_active (w))) |
1496 | return; |
1589 | return; |
1497 | |
1590 | |
1498 | ev_start (EV_A_ (W)w, ++checkcnt); |
1591 | ev_start (EV_A_ (W)w, ++checkcnt); |
1499 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1592 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1500 | checks [checkcnt - 1] = w; |
1593 | checks [checkcnt - 1] = w; |
… | |
… | |
1502 | |
1595 | |
1503 | void |
1596 | void |
1504 | ev_check_stop (EV_P_ struct ev_check *w) |
1597 | ev_check_stop (EV_P_ struct ev_check *w) |
1505 | { |
1598 | { |
1506 | ev_clear_pending (EV_A_ (W)w); |
1599 | ev_clear_pending (EV_A_ (W)w); |
1507 | if (!ev_is_active (w)) |
1600 | if (expect_false (!ev_is_active (w))) |
1508 | return; |
1601 | return; |
1509 | |
1602 | |
1510 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1603 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1511 | ev_stop (EV_A_ (W)w); |
1604 | ev_stop (EV_A_ (W)w); |
1512 | } |
1605 | } |
… | |
… | |
1519 | ev_signal_start (EV_P_ struct ev_signal *w) |
1612 | ev_signal_start (EV_P_ struct ev_signal *w) |
1520 | { |
1613 | { |
1521 | #if EV_MULTIPLICITY |
1614 | #if EV_MULTIPLICITY |
1522 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1615 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1523 | #endif |
1616 | #endif |
1524 | if (ev_is_active (w)) |
1617 | if (expect_false (ev_is_active (w))) |
1525 | return; |
1618 | return; |
1526 | |
1619 | |
1527 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1620 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1528 | |
1621 | |
1529 | ev_start (EV_A_ (W)w, 1); |
1622 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1546 | |
1639 | |
1547 | void |
1640 | void |
1548 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1641 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1549 | { |
1642 | { |
1550 | ev_clear_pending (EV_A_ (W)w); |
1643 | ev_clear_pending (EV_A_ (W)w); |
1551 | if (!ev_is_active (w)) |
1644 | if (expect_false (!ev_is_active (w))) |
1552 | return; |
1645 | return; |
1553 | |
1646 | |
1554 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1647 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1555 | ev_stop (EV_A_ (W)w); |
1648 | ev_stop (EV_A_ (W)w); |
1556 | |
1649 | |
… | |
… | |
1562 | ev_child_start (EV_P_ struct ev_child *w) |
1655 | ev_child_start (EV_P_ struct ev_child *w) |
1563 | { |
1656 | { |
1564 | #if EV_MULTIPLICITY |
1657 | #if EV_MULTIPLICITY |
1565 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1658 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1566 | #endif |
1659 | #endif |
1567 | if (ev_is_active (w)) |
1660 | if (expect_false (ev_is_active (w))) |
1568 | return; |
1661 | return; |
1569 | |
1662 | |
1570 | ev_start (EV_A_ (W)w, 1); |
1663 | ev_start (EV_A_ (W)w, 1); |
1571 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1664 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1572 | } |
1665 | } |
1573 | |
1666 | |
1574 | void |
1667 | void |
1575 | ev_child_stop (EV_P_ struct ev_child *w) |
1668 | ev_child_stop (EV_P_ struct ev_child *w) |
1576 | { |
1669 | { |
1577 | ev_clear_pending (EV_A_ (W)w); |
1670 | ev_clear_pending (EV_A_ (W)w); |
1578 | if (!ev_is_active (w)) |
1671 | if (expect_false (!ev_is_active (w))) |
1579 | return; |
1672 | return; |
1580 | |
1673 | |
1581 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1674 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1582 | ev_stop (EV_A_ (W)w); |
1675 | ev_stop (EV_A_ (W)w); |
1583 | } |
1676 | } |
|
|
1677 | |
|
|
1678 | #if EV_MULTIPLICITY |
|
|
1679 | static void |
|
|
1680 | embed_cb (EV_P_ struct ev_io *io, int revents) |
|
|
1681 | { |
|
|
1682 | struct ev_embed *w = (struct ev_embed *)(((char *)io) - offsetof (struct ev_embed, io)); |
|
|
1683 | |
|
|
1684 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1685 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1686 | } |
|
|
1687 | |
|
|
1688 | void |
|
|
1689 | ev_embed_start (EV_P_ struct ev_embed *w) |
|
|
1690 | { |
|
|
1691 | if (expect_false (ev_is_active (w))) |
|
|
1692 | return; |
|
|
1693 | |
|
|
1694 | { |
|
|
1695 | struct ev_loop *loop = w->loop; |
|
|
1696 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1697 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1698 | } |
|
|
1699 | |
|
|
1700 | ev_io_start (EV_A_ &w->io); |
|
|
1701 | ev_start (EV_A_ (W)w, 1); |
|
|
1702 | } |
|
|
1703 | |
|
|
1704 | void |
|
|
1705 | ev_embed_stop (EV_P_ struct ev_embed *w) |
|
|
1706 | { |
|
|
1707 | ev_clear_pending (EV_A_ (W)w); |
|
|
1708 | if (expect_false (!ev_is_active (w))) |
|
|
1709 | return; |
|
|
1710 | |
|
|
1711 | ev_io_stop (EV_A_ &w->io); |
|
|
1712 | ev_stop (EV_A_ (W)w); |
|
|
1713 | } |
|
|
1714 | #endif |
1584 | |
1715 | |
1585 | /*****************************************************************************/ |
1716 | /*****************************************************************************/ |
1586 | |
1717 | |
1587 | struct ev_once |
1718 | struct ev_once |
1588 | { |
1719 | { |
… | |
… | |
1620 | void |
1751 | void |
1621 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1752 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1622 | { |
1753 | { |
1623 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1754 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1624 | |
1755 | |
1625 | if (!once) |
1756 | if (expect_false (!once)) |
|
|
1757 | { |
1626 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1758 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1627 | else |
1759 | return; |
1628 | { |
1760 | } |
|
|
1761 | |
1629 | once->cb = cb; |
1762 | once->cb = cb; |
1630 | once->arg = arg; |
1763 | once->arg = arg; |
1631 | |
1764 | |
1632 | ev_init (&once->io, once_cb_io); |
1765 | ev_init (&once->io, once_cb_io); |
1633 | if (fd >= 0) |
1766 | if (fd >= 0) |
1634 | { |
1767 | { |
1635 | ev_io_set (&once->io, fd, events); |
1768 | ev_io_set (&once->io, fd, events); |
1636 | ev_io_start (EV_A_ &once->io); |
1769 | ev_io_start (EV_A_ &once->io); |
1637 | } |
1770 | } |
1638 | |
1771 | |
1639 | ev_init (&once->to, once_cb_to); |
1772 | ev_init (&once->to, once_cb_to); |
1640 | if (timeout >= 0.) |
1773 | if (timeout >= 0.) |
1641 | { |
1774 | { |
1642 | ev_timer_set (&once->to, timeout, 0.); |
1775 | ev_timer_set (&once->to, timeout, 0.); |
1643 | ev_timer_start (EV_A_ &once->to); |
1776 | ev_timer_start (EV_A_ &once->to); |
1644 | } |
|
|
1645 | } |
1777 | } |
1646 | } |
1778 | } |
1647 | |
1779 | |
1648 | #ifdef __cplusplus |
1780 | #ifdef __cplusplus |
1649 | } |
1781 | } |