… | |
… | |
41 | # define EV_USE_MONOTONIC 1 |
41 | # define EV_USE_MONOTONIC 1 |
42 | # endif |
42 | # endif |
43 | # ifndef EV_USE_REALTIME |
43 | # ifndef EV_USE_REALTIME |
44 | # define EV_USE_REALTIME 1 |
44 | # define EV_USE_REALTIME 1 |
45 | # endif |
45 | # endif |
|
|
46 | # else |
|
|
47 | # ifndef EV_USE_MONOTONIC |
|
|
48 | # define EV_USE_MONOTONIC 0 |
|
|
49 | # endif |
|
|
50 | # ifndef EV_USE_REALTIME |
|
|
51 | # define EV_USE_REALTIME 0 |
|
|
52 | # endif |
46 | # endif |
53 | # endif |
47 | |
54 | |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
55 | # ifndef EV_USE_SELECT |
|
|
56 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
49 | # define EV_USE_SELECT 1 |
57 | # define EV_USE_SELECT 1 |
|
|
58 | # else |
|
|
59 | # define EV_USE_SELECT 0 |
|
|
60 | # endif |
50 | # endif |
61 | # endif |
51 | |
62 | |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
63 | # ifndef EV_USE_POLL |
|
|
64 | # if HAVE_POLL && HAVE_POLL_H |
53 | # define EV_USE_POLL 1 |
65 | # define EV_USE_POLL 1 |
|
|
66 | # else |
|
|
67 | # define EV_USE_POLL 0 |
|
|
68 | # endif |
54 | # endif |
69 | # endif |
55 | |
70 | |
56 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
71 | # ifndef EV_USE_EPOLL |
|
|
72 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
57 | # define EV_USE_EPOLL 1 |
73 | # define EV_USE_EPOLL 1 |
|
|
74 | # else |
|
|
75 | # define EV_USE_EPOLL 0 |
|
|
76 | # endif |
58 | # endif |
77 | # endif |
59 | |
78 | |
|
|
79 | # ifndef EV_USE_KQUEUE |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
80 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
61 | # define EV_USE_KQUEUE 1 |
81 | # define EV_USE_KQUEUE 1 |
|
|
82 | # else |
|
|
83 | # define EV_USE_KQUEUE 0 |
|
|
84 | # endif |
|
|
85 | # endif |
|
|
86 | |
|
|
87 | # ifndef EV_USE_PORT |
|
|
88 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
|
|
89 | # define EV_USE_PORT 1 |
|
|
90 | # else |
|
|
91 | # define EV_USE_PORT 0 |
|
|
92 | # endif |
62 | # endif |
93 | # endif |
63 | |
94 | |
64 | #endif |
95 | #endif |
65 | |
96 | |
66 | #include <math.h> |
97 | #include <math.h> |
… | |
… | |
90 | #endif |
121 | #endif |
91 | |
122 | |
92 | /**/ |
123 | /**/ |
93 | |
124 | |
94 | #ifndef EV_USE_MONOTONIC |
125 | #ifndef EV_USE_MONOTONIC |
95 | # define EV_USE_MONOTONIC 1 |
126 | # define EV_USE_MONOTONIC 0 |
|
|
127 | #endif |
|
|
128 | |
|
|
129 | #ifndef EV_USE_REALTIME |
|
|
130 | # define EV_USE_REALTIME 0 |
96 | #endif |
131 | #endif |
97 | |
132 | |
98 | #ifndef EV_USE_SELECT |
133 | #ifndef EV_USE_SELECT |
99 | # define EV_USE_SELECT 1 |
134 | # define EV_USE_SELECT 1 |
100 | # define EV_SELECT_USE_FD_SET 1 |
|
|
101 | #endif |
135 | #endif |
102 | |
136 | |
103 | #ifndef EV_USE_POLL |
137 | #ifndef EV_USE_POLL |
104 | # ifdef _WIN32 |
138 | # ifdef _WIN32 |
105 | # define EV_USE_POLL 0 |
139 | # define EV_USE_POLL 0 |
… | |
… | |
114 | |
148 | |
115 | #ifndef EV_USE_KQUEUE |
149 | #ifndef EV_USE_KQUEUE |
116 | # define EV_USE_KQUEUE 0 |
150 | # define EV_USE_KQUEUE 0 |
117 | #endif |
151 | #endif |
118 | |
152 | |
119 | #ifndef EV_USE_REALTIME |
153 | #ifndef EV_USE_PORT |
120 | # define EV_USE_REALTIME 1 |
154 | # define EV_USE_PORT 0 |
121 | #endif |
155 | #endif |
122 | |
156 | |
123 | /**/ |
157 | /**/ |
124 | |
|
|
125 | /* darwin simply cannot be helped */ |
|
|
126 | #ifdef __APPLE__ |
|
|
127 | # undef EV_USE_POLL |
|
|
128 | # undef EV_USE_KQUEUE |
|
|
129 | #endif |
|
|
130 | |
158 | |
131 | #ifndef CLOCK_MONOTONIC |
159 | #ifndef CLOCK_MONOTONIC |
132 | # undef EV_USE_MONOTONIC |
160 | # undef EV_USE_MONOTONIC |
133 | # define EV_USE_MONOTONIC 0 |
161 | # define EV_USE_MONOTONIC 0 |
134 | #endif |
162 | #endif |
… | |
… | |
143 | #endif |
171 | #endif |
144 | |
172 | |
145 | /**/ |
173 | /**/ |
146 | |
174 | |
147 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
175 | #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) */ |
176 | #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 */ |
177 | #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 */ |
178 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
151 | |
179 | |
152 | #ifdef EV_H |
180 | #ifdef EV_H |
153 | # include EV_H |
181 | # include EV_H |
154 | #else |
182 | #else |
155 | # include "ev.h" |
183 | # include "ev.h" |
156 | #endif |
184 | #endif |
157 | |
185 | |
158 | #if __GNUC__ >= 3 |
186 | #if __GNUC__ >= 3 |
159 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
187 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
160 | # define inline inline |
188 | # define inline static inline |
161 | #else |
189 | #else |
162 | # define expect(expr,value) (expr) |
190 | # define expect(expr,value) (expr) |
163 | # define inline static |
191 | # define inline static |
164 | #endif |
192 | #endif |
165 | |
193 | |
… | |
… | |
359 | void |
387 | void |
360 | ev_feed_event (EV_P_ void *w, int revents) |
388 | ev_feed_event (EV_P_ void *w, int revents) |
361 | { |
389 | { |
362 | W w_ = (W)w; |
390 | W w_ = (W)w; |
363 | |
391 | |
364 | if (w_->pending) |
392 | if (expect_false (w_->pending)) |
365 | { |
393 | { |
366 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
394 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
367 | return; |
395 | return; |
368 | } |
396 | } |
369 | |
397 | |
… | |
… | |
403 | fd_event (EV_A_ fd, revents); |
431 | fd_event (EV_A_ fd, revents); |
404 | } |
432 | } |
405 | |
433 | |
406 | /*****************************************************************************/ |
434 | /*****************************************************************************/ |
407 | |
435 | |
408 | static void |
436 | inline void |
409 | fd_reify (EV_P) |
437 | fd_reify (EV_P) |
410 | { |
438 | { |
411 | int i; |
439 | int i; |
412 | |
440 | |
413 | for (i = 0; i < fdchangecnt; ++i) |
441 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
430 | } |
458 | } |
431 | #endif |
459 | #endif |
432 | |
460 | |
433 | anfd->reify = 0; |
461 | anfd->reify = 0; |
434 | |
462 | |
435 | method_modify (EV_A_ fd, anfd->events, events); |
463 | backend_modify (EV_A_ fd, anfd->events, events); |
436 | anfd->events = events; |
464 | anfd->events = events; |
437 | } |
465 | } |
438 | |
466 | |
439 | fdchangecnt = 0; |
467 | fdchangecnt = 0; |
440 | } |
468 | } |
441 | |
469 | |
442 | static void |
470 | static void |
443 | fd_change (EV_P_ int fd) |
471 | fd_change (EV_P_ int fd) |
444 | { |
472 | { |
445 | if (anfds [fd].reify) |
473 | if (expect_false (anfds [fd].reify)) |
446 | return; |
474 | return; |
447 | |
475 | |
448 | anfds [fd].reify = 1; |
476 | anfds [fd].reify = 1; |
449 | |
477 | |
450 | ++fdchangecnt; |
478 | ++fdchangecnt; |
… | |
… | |
462 | ev_io_stop (EV_A_ w); |
490 | ev_io_stop (EV_A_ w); |
463 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
491 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
464 | } |
492 | } |
465 | } |
493 | } |
466 | |
494 | |
467 | static int |
495 | inline int |
468 | fd_valid (int fd) |
496 | fd_valid (int fd) |
469 | { |
497 | { |
470 | #ifdef _WIN32 |
498 | #ifdef _WIN32 |
471 | return _get_osfhandle (fd) != -1; |
499 | return _get_osfhandle (fd) != -1; |
472 | #else |
500 | #else |
… | |
… | |
498 | fd_kill (EV_A_ fd); |
526 | fd_kill (EV_A_ fd); |
499 | return; |
527 | return; |
500 | } |
528 | } |
501 | } |
529 | } |
502 | |
530 | |
503 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
531 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
504 | static void |
532 | static void |
505 | fd_rearm_all (EV_P) |
533 | fd_rearm_all (EV_P) |
506 | { |
534 | { |
507 | int fd; |
535 | int fd; |
508 | |
536 | |
… | |
… | |
641 | for (signum = signalmax; signum--; ) |
669 | for (signum = signalmax; signum--; ) |
642 | if (signals [signum].gotsig) |
670 | if (signals [signum].gotsig) |
643 | ev_feed_signal_event (EV_A_ signum + 1); |
671 | ev_feed_signal_event (EV_A_ signum + 1); |
644 | } |
672 | } |
645 | |
673 | |
646 | inline void |
674 | static void |
647 | fd_intern (int fd) |
675 | fd_intern (int fd) |
648 | { |
676 | { |
649 | #ifdef _WIN32 |
677 | #ifdef _WIN32 |
650 | int arg = 1; |
678 | int arg = 1; |
651 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
679 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
710 | |
738 | |
711 | #endif |
739 | #endif |
712 | |
740 | |
713 | /*****************************************************************************/ |
741 | /*****************************************************************************/ |
714 | |
742 | |
|
|
743 | #if EV_USE_PORT |
|
|
744 | # include "ev_port.c" |
|
|
745 | #endif |
715 | #if EV_USE_KQUEUE |
746 | #if EV_USE_KQUEUE |
716 | # include "ev_kqueue.c" |
747 | # include "ev_kqueue.c" |
717 | #endif |
748 | #endif |
718 | #if EV_USE_EPOLL |
749 | #if EV_USE_EPOLL |
719 | # include "ev_epoll.c" |
750 | # include "ev_epoll.c" |
… | |
… | |
748 | || getgid () != getegid (); |
779 | || getgid () != getegid (); |
749 | #endif |
780 | #endif |
750 | } |
781 | } |
751 | |
782 | |
752 | unsigned int |
783 | unsigned int |
753 | ev_method (EV_P) |
784 | ev_supported_backends (void) |
754 | { |
785 | { |
755 | return method; |
786 | unsigned int flags = 0; |
|
|
787 | |
|
|
788 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
789 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
790 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
791 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
792 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
793 | |
|
|
794 | return flags; |
|
|
795 | } |
|
|
796 | |
|
|
797 | unsigned int |
|
|
798 | ev_recommended_backends (void) |
|
|
799 | { |
|
|
800 | unsigned int flags = ev_recommended_backends (); |
|
|
801 | |
|
|
802 | #ifndef __NetBSD__ |
|
|
803 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
804 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
805 | flags &= ~EVBACKEND_KQUEUE; |
|
|
806 | #endif |
|
|
807 | #ifdef __APPLE__ |
|
|
808 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
809 | flags &= ~EVBACKEND_POLL; |
|
|
810 | #endif |
|
|
811 | |
|
|
812 | return flags; |
|
|
813 | } |
|
|
814 | |
|
|
815 | unsigned int |
|
|
816 | ev_backend (EV_P) |
|
|
817 | { |
|
|
818 | return backend; |
756 | } |
819 | } |
757 | |
820 | |
758 | static void |
821 | static void |
759 | loop_init (EV_P_ unsigned int flags) |
822 | loop_init (EV_P_ unsigned int flags) |
760 | { |
823 | { |
761 | if (!method) |
824 | if (!backend) |
762 | { |
825 | { |
763 | #if EV_USE_MONOTONIC |
826 | #if EV_USE_MONOTONIC |
764 | { |
827 | { |
765 | struct timespec ts; |
828 | struct timespec ts; |
766 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
829 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
771 | ev_rt_now = ev_time (); |
834 | ev_rt_now = ev_time (); |
772 | mn_now = get_clock (); |
835 | mn_now = get_clock (); |
773 | now_floor = mn_now; |
836 | now_floor = mn_now; |
774 | rtmn_diff = ev_rt_now - mn_now; |
837 | rtmn_diff = ev_rt_now - mn_now; |
775 | |
838 | |
776 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
839 | if (!(flags & EVFLAG_NOENV) |
|
|
840 | && !enable_secure () |
|
|
841 | && getenv ("LIBEV_FLAGS")) |
777 | flags = atoi (getenv ("LIBEV_FLAGS")); |
842 | flags = atoi (getenv ("LIBEV_FLAGS")); |
778 | |
843 | |
779 | if (!(flags & 0x0000ffff)) |
844 | if (!(flags & 0x0000ffffUL)) |
780 | flags |= 0x0000ffff; |
845 | flags |= ev_recommended_backends (); |
781 | |
846 | |
782 | method = 0; |
847 | backend = 0; |
|
|
848 | #if EV_USE_PORT |
|
|
849 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
|
|
850 | #endif |
783 | #if EV_USE_KQUEUE |
851 | #if EV_USE_KQUEUE |
784 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
852 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
785 | #endif |
853 | #endif |
786 | #if EV_USE_EPOLL |
854 | #if EV_USE_EPOLL |
787 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
855 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
788 | #endif |
856 | #endif |
789 | #if EV_USE_POLL |
857 | #if EV_USE_POLL |
790 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
858 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
791 | #endif |
859 | #endif |
792 | #if EV_USE_SELECT |
860 | #if EV_USE_SELECT |
793 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
861 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
794 | #endif |
862 | #endif |
795 | |
863 | |
796 | ev_init (&sigev, sigcb); |
864 | ev_init (&sigev, sigcb); |
797 | ev_set_priority (&sigev, EV_MAXPRI); |
865 | ev_set_priority (&sigev, EV_MAXPRI); |
798 | } |
866 | } |
799 | } |
867 | } |
800 | |
868 | |
801 | void |
869 | static void |
802 | loop_destroy (EV_P) |
870 | loop_destroy (EV_P) |
803 | { |
871 | { |
804 | int i; |
872 | int i; |
805 | |
873 | |
|
|
874 | #if EV_USE_PORT |
|
|
875 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
|
|
876 | #endif |
806 | #if EV_USE_KQUEUE |
877 | #if EV_USE_KQUEUE |
807 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
878 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
808 | #endif |
879 | #endif |
809 | #if EV_USE_EPOLL |
880 | #if EV_USE_EPOLL |
810 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
881 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
811 | #endif |
882 | #endif |
812 | #if EV_USE_POLL |
883 | #if EV_USE_POLL |
813 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
884 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
814 | #endif |
885 | #endif |
815 | #if EV_USE_SELECT |
886 | #if EV_USE_SELECT |
816 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
887 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
817 | #endif |
888 | #endif |
818 | |
889 | |
819 | for (i = NUMPRI; i--; ) |
890 | for (i = NUMPRI; i--; ) |
820 | array_free (pending, [i]); |
891 | array_free (pending, [i]); |
821 | |
892 | |
… | |
… | |
827 | #endif |
898 | #endif |
828 | array_free (idle, EMPTY0); |
899 | array_free (idle, EMPTY0); |
829 | array_free (prepare, EMPTY0); |
900 | array_free (prepare, EMPTY0); |
830 | array_free (check, EMPTY0); |
901 | array_free (check, EMPTY0); |
831 | |
902 | |
832 | method = 0; |
903 | backend = 0; |
833 | } |
904 | } |
834 | |
905 | |
835 | static void |
906 | static void |
836 | loop_fork (EV_P) |
907 | loop_fork (EV_P) |
837 | { |
908 | { |
|
|
909 | #if EV_USE_PORT |
|
|
910 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
911 | #endif |
|
|
912 | #if EV_USE_KQUEUE |
|
|
913 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
914 | #endif |
838 | #if EV_USE_EPOLL |
915 | #if EV_USE_EPOLL |
839 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
916 | 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 |
917 | #endif |
844 | |
918 | |
845 | if (ev_is_active (&sigev)) |
919 | if (ev_is_active (&sigev)) |
846 | { |
920 | { |
847 | /* default loop */ |
921 | /* default loop */ |
… | |
… | |
868 | |
942 | |
869 | memset (loop, 0, sizeof (struct ev_loop)); |
943 | memset (loop, 0, sizeof (struct ev_loop)); |
870 | |
944 | |
871 | loop_init (EV_A_ flags); |
945 | loop_init (EV_A_ flags); |
872 | |
946 | |
873 | if (ev_method (EV_A)) |
947 | if (ev_backend (EV_A)) |
874 | return loop; |
948 | return loop; |
875 | |
949 | |
876 | return 0; |
950 | return 0; |
877 | } |
951 | } |
878 | |
952 | |
… | |
… | |
891 | |
965 | |
892 | #endif |
966 | #endif |
893 | |
967 | |
894 | #if EV_MULTIPLICITY |
968 | #if EV_MULTIPLICITY |
895 | struct ev_loop * |
969 | struct ev_loop * |
896 | ev_default_loop_ (unsigned int flags) |
970 | ev_default_loop_init (unsigned int flags) |
897 | #else |
971 | #else |
898 | int |
972 | int |
899 | ev_default_loop (unsigned int flags) |
973 | ev_default_loop (unsigned int flags) |
900 | #endif |
974 | #endif |
901 | { |
975 | { |
… | |
… | |
911 | ev_default_loop_ptr = 1; |
985 | ev_default_loop_ptr = 1; |
912 | #endif |
986 | #endif |
913 | |
987 | |
914 | loop_init (EV_A_ flags); |
988 | loop_init (EV_A_ flags); |
915 | |
989 | |
916 | if (ev_method (EV_A)) |
990 | if (ev_backend (EV_A)) |
917 | { |
991 | { |
918 | siginit (EV_A); |
992 | siginit (EV_A); |
919 | |
993 | |
920 | #ifndef _WIN32 |
994 | #ifndef _WIN32 |
921 | ev_signal_init (&childev, childcb, SIGCHLD); |
995 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
957 | { |
1031 | { |
958 | #if EV_MULTIPLICITY |
1032 | #if EV_MULTIPLICITY |
959 | struct ev_loop *loop = ev_default_loop_ptr; |
1033 | struct ev_loop *loop = ev_default_loop_ptr; |
960 | #endif |
1034 | #endif |
961 | |
1035 | |
962 | if (method) |
1036 | if (backend) |
963 | postfork = 1; |
1037 | postfork = 1; |
964 | } |
1038 | } |
965 | |
1039 | |
966 | /*****************************************************************************/ |
1040 | /*****************************************************************************/ |
967 | |
1041 | |
… | |
… | |
975 | return 1; |
1049 | return 1; |
976 | |
1050 | |
977 | return 0; |
1051 | return 0; |
978 | } |
1052 | } |
979 | |
1053 | |
980 | static void |
1054 | inline void |
981 | call_pending (EV_P) |
1055 | call_pending (EV_P) |
982 | { |
1056 | { |
983 | int pri; |
1057 | int pri; |
984 | |
1058 | |
985 | for (pri = NUMPRI; pri--; ) |
1059 | for (pri = NUMPRI; pri--; ) |
986 | while (pendingcnt [pri]) |
1060 | while (pendingcnt [pri]) |
987 | { |
1061 | { |
988 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1062 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
989 | |
1063 | |
990 | if (p->w) |
1064 | if (expect_true (p->w)) |
991 | { |
1065 | { |
992 | p->w->pending = 0; |
1066 | p->w->pending = 0; |
993 | EV_CB_INVOKE (p->w, p->events); |
1067 | EV_CB_INVOKE (p->w, p->events); |
994 | } |
1068 | } |
995 | } |
1069 | } |
996 | } |
1070 | } |
997 | |
1071 | |
998 | static void |
1072 | inline void |
999 | timers_reify (EV_P) |
1073 | timers_reify (EV_P) |
1000 | { |
1074 | { |
1001 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1075 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1002 | { |
1076 | { |
1003 | struct ev_timer *w = timers [0]; |
1077 | struct ev_timer *w = timers [0]; |
… | |
… | |
1021 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1095 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1022 | } |
1096 | } |
1023 | } |
1097 | } |
1024 | |
1098 | |
1025 | #if EV_PERIODICS |
1099 | #if EV_PERIODICS |
1026 | static void |
1100 | inline void |
1027 | periodics_reify (EV_P) |
1101 | periodics_reify (EV_P) |
1028 | { |
1102 | { |
1029 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1103 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1030 | { |
1104 | { |
1031 | struct ev_periodic *w = periodics [0]; |
1105 | struct ev_periodic *w = periodics [0]; |
… | |
… | |
1090 | ev_rt_now = ev_time (); |
1164 | ev_rt_now = ev_time (); |
1091 | return 1; |
1165 | return 1; |
1092 | } |
1166 | } |
1093 | } |
1167 | } |
1094 | |
1168 | |
1095 | static void |
1169 | inline void |
1096 | time_update (EV_P) |
1170 | time_update (EV_P) |
1097 | { |
1171 | { |
1098 | int i; |
1172 | int i; |
1099 | |
1173 | |
1100 | #if EV_USE_MONOTONIC |
1174 | #if EV_USE_MONOTONIC |
… | |
… | |
1199 | { |
1273 | { |
1200 | block = MAX_BLOCKTIME; |
1274 | block = MAX_BLOCKTIME; |
1201 | |
1275 | |
1202 | if (timercnt) |
1276 | if (timercnt) |
1203 | { |
1277 | { |
1204 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1278 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1205 | if (block > to) block = to; |
1279 | if (block > to) block = to; |
1206 | } |
1280 | } |
1207 | |
1281 | |
1208 | #if EV_PERIODICS |
1282 | #if EV_PERIODICS |
1209 | if (periodiccnt) |
1283 | if (periodiccnt) |
1210 | { |
1284 | { |
1211 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1285 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1212 | if (block > to) block = to; |
1286 | if (block > to) block = to; |
1213 | } |
1287 | } |
1214 | #endif |
1288 | #endif |
1215 | |
1289 | |
1216 | if (block < 0.) block = 0.; |
1290 | if (expect_false (block < 0.)) block = 0.; |
1217 | } |
1291 | } |
1218 | |
1292 | |
1219 | method_poll (EV_A_ block); |
1293 | backend_poll (EV_A_ block); |
1220 | |
1294 | |
1221 | /* update ev_rt_now, do magic */ |
1295 | /* update ev_rt_now, do magic */ |
1222 | time_update (EV_A); |
1296 | time_update (EV_A); |
1223 | |
1297 | |
1224 | /* queue pending timers and reschedule them */ |
1298 | /* queue pending timers and reschedule them */ |
… | |
… | |
1230 | /* queue idle watchers unless io or timers are pending */ |
1304 | /* queue idle watchers unless io or timers are pending */ |
1231 | if (idlecnt && !any_pending (EV_A)) |
1305 | if (idlecnt && !any_pending (EV_A)) |
1232 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1306 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1233 | |
1307 | |
1234 | /* queue check watchers, to be executed first */ |
1308 | /* queue check watchers, to be executed first */ |
1235 | if (checkcnt) |
1309 | if (expect_false (checkcnt)) |
1236 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1310 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1237 | |
1311 | |
1238 | call_pending (EV_A); |
1312 | call_pending (EV_A); |
1239 | |
1313 | |
1240 | if (loop_done) |
1314 | if (expect_false (loop_done)) |
1241 | break; |
1315 | break; |
1242 | } |
1316 | } |
1243 | |
1317 | |
1244 | if (loop_done != 2) |
1318 | if (loop_done != 2) |
1245 | loop_done = 0; |
1319 | loop_done = 0; |
… | |
… | |
1307 | void |
1381 | void |
1308 | ev_io_start (EV_P_ struct ev_io *w) |
1382 | ev_io_start (EV_P_ struct ev_io *w) |
1309 | { |
1383 | { |
1310 | int fd = w->fd; |
1384 | int fd = w->fd; |
1311 | |
1385 | |
1312 | if (ev_is_active (w)) |
1386 | if (expect_false (ev_is_active (w))) |
1313 | return; |
1387 | return; |
1314 | |
1388 | |
1315 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1389 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1316 | |
1390 | |
1317 | ev_start (EV_A_ (W)w, 1); |
1391 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1323 | |
1397 | |
1324 | void |
1398 | void |
1325 | ev_io_stop (EV_P_ struct ev_io *w) |
1399 | ev_io_stop (EV_P_ struct ev_io *w) |
1326 | { |
1400 | { |
1327 | ev_clear_pending (EV_A_ (W)w); |
1401 | ev_clear_pending (EV_A_ (W)w); |
1328 | if (!ev_is_active (w)) |
1402 | if (expect_false (!ev_is_active (w))) |
1329 | return; |
1403 | return; |
1330 | |
1404 | |
1331 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1405 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1332 | |
1406 | |
1333 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1407 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
… | |
… | |
1337 | } |
1411 | } |
1338 | |
1412 | |
1339 | void |
1413 | void |
1340 | ev_timer_start (EV_P_ struct ev_timer *w) |
1414 | ev_timer_start (EV_P_ struct ev_timer *w) |
1341 | { |
1415 | { |
1342 | if (ev_is_active (w)) |
1416 | if (expect_false (ev_is_active (w))) |
1343 | return; |
1417 | return; |
1344 | |
1418 | |
1345 | ((WT)w)->at += mn_now; |
1419 | ((WT)w)->at += mn_now; |
1346 | |
1420 | |
1347 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1421 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
… | |
… | |
1356 | |
1430 | |
1357 | void |
1431 | void |
1358 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1432 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1359 | { |
1433 | { |
1360 | ev_clear_pending (EV_A_ (W)w); |
1434 | ev_clear_pending (EV_A_ (W)w); |
1361 | if (!ev_is_active (w)) |
1435 | if (expect_false (!ev_is_active (w))) |
1362 | return; |
1436 | return; |
1363 | |
1437 | |
1364 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1438 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1365 | |
1439 | |
1366 | if (((W)w)->active < timercnt--) |
1440 | if (expect_true (((W)w)->active < timercnt--)) |
1367 | { |
1441 | { |
1368 | timers [((W)w)->active - 1] = timers [timercnt]; |
1442 | timers [((W)w)->active - 1] = timers [timercnt]; |
1369 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1443 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1370 | } |
1444 | } |
1371 | |
1445 | |
… | |
… | |
1396 | |
1470 | |
1397 | #if EV_PERIODICS |
1471 | #if EV_PERIODICS |
1398 | void |
1472 | void |
1399 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1473 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1400 | { |
1474 | { |
1401 | if (ev_is_active (w)) |
1475 | if (expect_false (ev_is_active (w))) |
1402 | return; |
1476 | return; |
1403 | |
1477 | |
1404 | if (w->reschedule_cb) |
1478 | if (w->reschedule_cb) |
1405 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1479 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1406 | else if (w->interval) |
1480 | else if (w->interval) |
… | |
… | |
1420 | |
1494 | |
1421 | void |
1495 | void |
1422 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1496 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1423 | { |
1497 | { |
1424 | ev_clear_pending (EV_A_ (W)w); |
1498 | ev_clear_pending (EV_A_ (W)w); |
1425 | if (!ev_is_active (w)) |
1499 | if (expect_false (!ev_is_active (w))) |
1426 | return; |
1500 | return; |
1427 | |
1501 | |
1428 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1502 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1429 | |
1503 | |
1430 | if (((W)w)->active < periodiccnt--) |
1504 | if (expect_true (((W)w)->active < periodiccnt--)) |
1431 | { |
1505 | { |
1432 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1506 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1433 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1507 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1434 | } |
1508 | } |
1435 | |
1509 | |
… | |
… | |
1446 | #endif |
1520 | #endif |
1447 | |
1521 | |
1448 | void |
1522 | void |
1449 | ev_idle_start (EV_P_ struct ev_idle *w) |
1523 | ev_idle_start (EV_P_ struct ev_idle *w) |
1450 | { |
1524 | { |
1451 | if (ev_is_active (w)) |
1525 | if (expect_false (ev_is_active (w))) |
1452 | return; |
1526 | return; |
1453 | |
1527 | |
1454 | ev_start (EV_A_ (W)w, ++idlecnt); |
1528 | ev_start (EV_A_ (W)w, ++idlecnt); |
1455 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1529 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1456 | idles [idlecnt - 1] = w; |
1530 | idles [idlecnt - 1] = w; |
… | |
… | |
1458 | |
1532 | |
1459 | void |
1533 | void |
1460 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1534 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1461 | { |
1535 | { |
1462 | ev_clear_pending (EV_A_ (W)w); |
1536 | ev_clear_pending (EV_A_ (W)w); |
1463 | if (!ev_is_active (w)) |
1537 | if (expect_false (!ev_is_active (w))) |
1464 | return; |
1538 | return; |
1465 | |
1539 | |
1466 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1540 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1467 | ev_stop (EV_A_ (W)w); |
1541 | ev_stop (EV_A_ (W)w); |
1468 | } |
1542 | } |
1469 | |
1543 | |
1470 | void |
1544 | void |
1471 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1545 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1472 | { |
1546 | { |
1473 | if (ev_is_active (w)) |
1547 | if (expect_false (ev_is_active (w))) |
1474 | return; |
1548 | return; |
1475 | |
1549 | |
1476 | ev_start (EV_A_ (W)w, ++preparecnt); |
1550 | ev_start (EV_A_ (W)w, ++preparecnt); |
1477 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1551 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1478 | prepares [preparecnt - 1] = w; |
1552 | prepares [preparecnt - 1] = w; |
… | |
… | |
1480 | |
1554 | |
1481 | void |
1555 | void |
1482 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1556 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1483 | { |
1557 | { |
1484 | ev_clear_pending (EV_A_ (W)w); |
1558 | ev_clear_pending (EV_A_ (W)w); |
1485 | if (!ev_is_active (w)) |
1559 | if (expect_false (!ev_is_active (w))) |
1486 | return; |
1560 | return; |
1487 | |
1561 | |
1488 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1562 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1489 | ev_stop (EV_A_ (W)w); |
1563 | ev_stop (EV_A_ (W)w); |
1490 | } |
1564 | } |
1491 | |
1565 | |
1492 | void |
1566 | void |
1493 | ev_check_start (EV_P_ struct ev_check *w) |
1567 | ev_check_start (EV_P_ struct ev_check *w) |
1494 | { |
1568 | { |
1495 | if (ev_is_active (w)) |
1569 | if (expect_false (ev_is_active (w))) |
1496 | return; |
1570 | return; |
1497 | |
1571 | |
1498 | ev_start (EV_A_ (W)w, ++checkcnt); |
1572 | ev_start (EV_A_ (W)w, ++checkcnt); |
1499 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1573 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1500 | checks [checkcnt - 1] = w; |
1574 | checks [checkcnt - 1] = w; |
… | |
… | |
1502 | |
1576 | |
1503 | void |
1577 | void |
1504 | ev_check_stop (EV_P_ struct ev_check *w) |
1578 | ev_check_stop (EV_P_ struct ev_check *w) |
1505 | { |
1579 | { |
1506 | ev_clear_pending (EV_A_ (W)w); |
1580 | ev_clear_pending (EV_A_ (W)w); |
1507 | if (!ev_is_active (w)) |
1581 | if (expect_false (!ev_is_active (w))) |
1508 | return; |
1582 | return; |
1509 | |
1583 | |
1510 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1584 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1511 | ev_stop (EV_A_ (W)w); |
1585 | ev_stop (EV_A_ (W)w); |
1512 | } |
1586 | } |
… | |
… | |
1519 | ev_signal_start (EV_P_ struct ev_signal *w) |
1593 | ev_signal_start (EV_P_ struct ev_signal *w) |
1520 | { |
1594 | { |
1521 | #if EV_MULTIPLICITY |
1595 | #if EV_MULTIPLICITY |
1522 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1596 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1523 | #endif |
1597 | #endif |
1524 | if (ev_is_active (w)) |
1598 | if (expect_false (ev_is_active (w))) |
1525 | return; |
1599 | return; |
1526 | |
1600 | |
1527 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1601 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1528 | |
1602 | |
1529 | ev_start (EV_A_ (W)w, 1); |
1603 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1546 | |
1620 | |
1547 | void |
1621 | void |
1548 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1622 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1549 | { |
1623 | { |
1550 | ev_clear_pending (EV_A_ (W)w); |
1624 | ev_clear_pending (EV_A_ (W)w); |
1551 | if (!ev_is_active (w)) |
1625 | if (expect_false (!ev_is_active (w))) |
1552 | return; |
1626 | return; |
1553 | |
1627 | |
1554 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1628 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1555 | ev_stop (EV_A_ (W)w); |
1629 | ev_stop (EV_A_ (W)w); |
1556 | |
1630 | |
… | |
… | |
1562 | ev_child_start (EV_P_ struct ev_child *w) |
1636 | ev_child_start (EV_P_ struct ev_child *w) |
1563 | { |
1637 | { |
1564 | #if EV_MULTIPLICITY |
1638 | #if EV_MULTIPLICITY |
1565 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1639 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1566 | #endif |
1640 | #endif |
1567 | if (ev_is_active (w)) |
1641 | if (expect_false (ev_is_active (w))) |
1568 | return; |
1642 | return; |
1569 | |
1643 | |
1570 | ev_start (EV_A_ (W)w, 1); |
1644 | ev_start (EV_A_ (W)w, 1); |
1571 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1645 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1572 | } |
1646 | } |
1573 | |
1647 | |
1574 | void |
1648 | void |
1575 | ev_child_stop (EV_P_ struct ev_child *w) |
1649 | ev_child_stop (EV_P_ struct ev_child *w) |
1576 | { |
1650 | { |
1577 | ev_clear_pending (EV_A_ (W)w); |
1651 | ev_clear_pending (EV_A_ (W)w); |
1578 | if (!ev_is_active (w)) |
1652 | if (expect_false (!ev_is_active (w))) |
1579 | return; |
1653 | return; |
1580 | |
1654 | |
1581 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1655 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1582 | ev_stop (EV_A_ (W)w); |
1656 | ev_stop (EV_A_ (W)w); |
1583 | } |
1657 | } |
… | |
… | |
1620 | void |
1694 | void |
1621 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1695 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1622 | { |
1696 | { |
1623 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1697 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1624 | |
1698 | |
1625 | if (!once) |
1699 | if (expect_false (!once)) |
|
|
1700 | { |
1626 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1701 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1627 | else |
1702 | return; |
1628 | { |
1703 | } |
|
|
1704 | |
1629 | once->cb = cb; |
1705 | once->cb = cb; |
1630 | once->arg = arg; |
1706 | once->arg = arg; |
1631 | |
1707 | |
1632 | ev_init (&once->io, once_cb_io); |
1708 | ev_init (&once->io, once_cb_io); |
1633 | if (fd >= 0) |
1709 | if (fd >= 0) |
1634 | { |
1710 | { |
1635 | ev_io_set (&once->io, fd, events); |
1711 | ev_io_set (&once->io, fd, events); |
1636 | ev_io_start (EV_A_ &once->io); |
1712 | ev_io_start (EV_A_ &once->io); |
1637 | } |
1713 | } |
1638 | |
1714 | |
1639 | ev_init (&once->to, once_cb_to); |
1715 | ev_init (&once->to, once_cb_to); |
1640 | if (timeout >= 0.) |
1716 | if (timeout >= 0.) |
1641 | { |
1717 | { |
1642 | ev_timer_set (&once->to, timeout, 0.); |
1718 | ev_timer_set (&once->to, timeout, 0.); |
1643 | ev_timer_start (EV_A_ &once->to); |
1719 | ev_timer_start (EV_A_ &once->to); |
1644 | } |
|
|
1645 | } |
1720 | } |
1646 | } |
1721 | } |
1647 | |
1722 | |
1648 | #ifdef __cplusplus |
1723 | #ifdef __cplusplus |
1649 | } |
1724 | } |