… | |
… | |
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 |
62 | # endif |
89 | # endif |
63 | |
90 | |
64 | # if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT) |
91 | # ifndef EV_USE_PORT |
|
|
92 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
65 | # define EV_USE_PORT 1 |
93 | # define EV_USE_PORT 1 |
|
|
94 | # else |
|
|
95 | # define EV_USE_PORT 0 |
|
|
96 | # endif |
66 | # endif |
97 | # endif |
67 | |
98 | |
68 | #endif |
99 | #endif |
69 | |
100 | |
70 | #include <math.h> |
101 | #include <math.h> |
… | |
… | |
94 | #endif |
125 | #endif |
95 | |
126 | |
96 | /**/ |
127 | /**/ |
97 | |
128 | |
98 | #ifndef EV_USE_MONOTONIC |
129 | #ifndef EV_USE_MONOTONIC |
99 | # define EV_USE_MONOTONIC 1 |
130 | # define EV_USE_MONOTONIC 0 |
100 | #endif |
131 | #endif |
101 | |
132 | |
102 | #ifndef EV_USE_REALTIME |
133 | #ifndef EV_USE_REALTIME |
103 | # define EV_USE_REALTIME 1 |
134 | # define EV_USE_REALTIME 0 |
104 | #endif |
135 | #endif |
105 | |
136 | |
106 | #ifndef EV_USE_SELECT |
137 | #ifndef EV_USE_SELECT |
107 | # define EV_USE_SELECT 1 |
138 | # define EV_USE_SELECT 1 |
108 | # define EV_SELECT_USE_FD_SET 1 |
|
|
109 | #endif |
139 | #endif |
110 | |
140 | |
111 | #ifndef EV_USE_POLL |
141 | #ifndef EV_USE_POLL |
112 | # ifdef _WIN32 |
142 | # ifdef _WIN32 |
113 | # define EV_USE_POLL 0 |
143 | # define EV_USE_POLL 0 |
… | |
… | |
128 | # define EV_USE_PORT 0 |
158 | # define EV_USE_PORT 0 |
129 | #endif |
159 | #endif |
130 | |
160 | |
131 | /**/ |
161 | /**/ |
132 | |
162 | |
133 | /* darwin simply cannot be helped */ |
|
|
134 | #ifdef __APPLE__ |
|
|
135 | # undef EV_USE_POLL |
|
|
136 | # undef EV_USE_KQUEUE |
|
|
137 | #endif |
|
|
138 | |
|
|
139 | #ifndef CLOCK_MONOTONIC |
163 | #ifndef CLOCK_MONOTONIC |
140 | # undef EV_USE_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
141 | # define EV_USE_MONOTONIC 0 |
165 | # define EV_USE_MONOTONIC 0 |
142 | #endif |
166 | #endif |
143 | |
167 | |
… | |
… | |
163 | # include "ev.h" |
187 | # include "ev.h" |
164 | #endif |
188 | #endif |
165 | |
189 | |
166 | #if __GNUC__ >= 3 |
190 | #if __GNUC__ >= 3 |
167 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
168 | # define inline inline |
192 | # define inline static inline |
169 | #else |
193 | #else |
170 | # define expect(expr,value) (expr) |
194 | # define expect(expr,value) (expr) |
171 | # define inline static |
195 | # define inline static |
172 | #endif |
196 | #endif |
173 | |
197 | |
… | |
… | |
367 | void |
391 | void |
368 | ev_feed_event (EV_P_ void *w, int revents) |
392 | ev_feed_event (EV_P_ void *w, int revents) |
369 | { |
393 | { |
370 | W w_ = (W)w; |
394 | W w_ = (W)w; |
371 | |
395 | |
372 | if (w_->pending) |
396 | if (expect_false (w_->pending)) |
373 | { |
397 | { |
374 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
398 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
375 | return; |
399 | return; |
376 | } |
400 | } |
377 | |
401 | |
… | |
… | |
411 | fd_event (EV_A_ fd, revents); |
435 | fd_event (EV_A_ fd, revents); |
412 | } |
436 | } |
413 | |
437 | |
414 | /*****************************************************************************/ |
438 | /*****************************************************************************/ |
415 | |
439 | |
416 | static void |
440 | inline void |
417 | fd_reify (EV_P) |
441 | fd_reify (EV_P) |
418 | { |
442 | { |
419 | int i; |
443 | int i; |
420 | |
444 | |
421 | for (i = 0; i < fdchangecnt; ++i) |
445 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
438 | } |
462 | } |
439 | #endif |
463 | #endif |
440 | |
464 | |
441 | anfd->reify = 0; |
465 | anfd->reify = 0; |
442 | |
466 | |
443 | method_modify (EV_A_ fd, anfd->events, events); |
467 | backend_modify (EV_A_ fd, anfd->events, events); |
444 | anfd->events = events; |
468 | anfd->events = events; |
445 | } |
469 | } |
446 | |
470 | |
447 | fdchangecnt = 0; |
471 | fdchangecnt = 0; |
448 | } |
472 | } |
449 | |
473 | |
450 | static void |
474 | static void |
451 | fd_change (EV_P_ int fd) |
475 | fd_change (EV_P_ int fd) |
452 | { |
476 | { |
453 | if (anfds [fd].reify) |
477 | if (expect_false (anfds [fd].reify)) |
454 | return; |
478 | return; |
455 | |
479 | |
456 | anfds [fd].reify = 1; |
480 | anfds [fd].reify = 1; |
457 | |
481 | |
458 | ++fdchangecnt; |
482 | ++fdchangecnt; |
… | |
… | |
470 | ev_io_stop (EV_A_ w); |
494 | ev_io_stop (EV_A_ w); |
471 | 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); |
472 | } |
496 | } |
473 | } |
497 | } |
474 | |
498 | |
475 | static int |
499 | inline int |
476 | fd_valid (int fd) |
500 | fd_valid (int fd) |
477 | { |
501 | { |
478 | #ifdef _WIN32 |
502 | #ifdef _WIN32 |
479 | return _get_osfhandle (fd) != -1; |
503 | return _get_osfhandle (fd) != -1; |
480 | #else |
504 | #else |
… | |
… | |
506 | fd_kill (EV_A_ fd); |
530 | fd_kill (EV_A_ fd); |
507 | return; |
531 | return; |
508 | } |
532 | } |
509 | } |
533 | } |
510 | |
534 | |
511 | /* 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 */ |
512 | static void |
536 | static void |
513 | fd_rearm_all (EV_P) |
537 | fd_rearm_all (EV_P) |
514 | { |
538 | { |
515 | int fd; |
539 | int fd; |
516 | |
540 | |
… | |
… | |
649 | for (signum = signalmax; signum--; ) |
673 | for (signum = signalmax; signum--; ) |
650 | if (signals [signum].gotsig) |
674 | if (signals [signum].gotsig) |
651 | ev_feed_signal_event (EV_A_ signum + 1); |
675 | ev_feed_signal_event (EV_A_ signum + 1); |
652 | } |
676 | } |
653 | |
677 | |
654 | inline void |
678 | static void |
655 | fd_intern (int fd) |
679 | fd_intern (int fd) |
656 | { |
680 | { |
657 | #ifdef _WIN32 |
681 | #ifdef _WIN32 |
658 | int arg = 1; |
682 | int arg = 1; |
659 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
683 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
707 | int pid, status; |
731 | int pid, status; |
708 | |
732 | |
709 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
733 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
710 | { |
734 | { |
711 | /* 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 */ |
712 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
737 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
713 | |
738 | |
714 | child_reap (EV_A_ sw, pid, pid, status); |
739 | child_reap (EV_A_ sw, pid, pid, status); |
715 | 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 */ |
716 | } |
741 | } |
717 | } |
742 | } |
718 | |
743 | |
719 | #endif |
744 | #endif |
720 | |
745 | |
… | |
… | |
759 | || getgid () != getegid (); |
784 | || getgid () != getegid (); |
760 | #endif |
785 | #endif |
761 | } |
786 | } |
762 | |
787 | |
763 | unsigned int |
788 | unsigned int |
764 | ev_method (EV_P) |
789 | ev_supported_backends (void) |
765 | { |
790 | { |
766 | 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_backend (EV_P) |
|
|
822 | { |
|
|
823 | return backend; |
767 | } |
824 | } |
768 | |
825 | |
769 | static void |
826 | static void |
770 | loop_init (EV_P_ unsigned int flags) |
827 | loop_init (EV_P_ unsigned int flags) |
771 | { |
828 | { |
772 | if (!method) |
829 | if (!backend) |
773 | { |
830 | { |
774 | #if EV_USE_MONOTONIC |
831 | #if EV_USE_MONOTONIC |
775 | { |
832 | { |
776 | struct timespec ts; |
833 | struct timespec ts; |
777 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
834 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
782 | ev_rt_now = ev_time (); |
839 | ev_rt_now = ev_time (); |
783 | mn_now = get_clock (); |
840 | mn_now = get_clock (); |
784 | now_floor = mn_now; |
841 | now_floor = mn_now; |
785 | rtmn_diff = ev_rt_now - mn_now; |
842 | rtmn_diff = ev_rt_now - mn_now; |
786 | |
843 | |
787 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
844 | if (!(flags & EVFLAG_NOENV) |
|
|
845 | && !enable_secure () |
|
|
846 | && getenv ("LIBEV_FLAGS")) |
788 | flags = atoi (getenv ("LIBEV_FLAGS")); |
847 | flags = atoi (getenv ("LIBEV_FLAGS")); |
789 | |
848 | |
790 | if (!(flags & 0x0000ffff)) |
849 | if (!(flags & 0x0000ffffUL)) |
791 | flags |= 0x0000ffff; |
850 | flags |= ev_recommended_backends (); |
792 | |
851 | |
793 | method = 0; |
852 | backend = 0; |
794 | #if EV_USE_PORT |
853 | #if EV_USE_PORT |
795 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
854 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
796 | #endif |
855 | #endif |
797 | #if EV_USE_KQUEUE |
856 | #if EV_USE_KQUEUE |
798 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
857 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
799 | #endif |
858 | #endif |
800 | #if EV_USE_EPOLL |
859 | #if EV_USE_EPOLL |
801 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
860 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
802 | #endif |
861 | #endif |
803 | #if EV_USE_POLL |
862 | #if EV_USE_POLL |
804 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
863 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
805 | #endif |
864 | #endif |
806 | #if EV_USE_SELECT |
865 | #if EV_USE_SELECT |
807 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
866 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
808 | #endif |
867 | #endif |
809 | |
868 | |
810 | ev_init (&sigev, sigcb); |
869 | ev_init (&sigev, sigcb); |
811 | ev_set_priority (&sigev, EV_MAXPRI); |
870 | ev_set_priority (&sigev, EV_MAXPRI); |
812 | } |
871 | } |
813 | } |
872 | } |
814 | |
873 | |
815 | void |
874 | static void |
816 | loop_destroy (EV_P) |
875 | loop_destroy (EV_P) |
817 | { |
876 | { |
818 | int i; |
877 | int i; |
819 | |
878 | |
820 | #if EV_USE_PORT |
879 | #if EV_USE_PORT |
821 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
880 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
822 | #endif |
881 | #endif |
823 | #if EV_USE_KQUEUE |
882 | #if EV_USE_KQUEUE |
824 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
883 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
825 | #endif |
884 | #endif |
826 | #if EV_USE_EPOLL |
885 | #if EV_USE_EPOLL |
827 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
886 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
828 | #endif |
887 | #endif |
829 | #if EV_USE_POLL |
888 | #if EV_USE_POLL |
830 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
889 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
831 | #endif |
890 | #endif |
832 | #if EV_USE_SELECT |
891 | #if EV_USE_SELECT |
833 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
892 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
834 | #endif |
893 | #endif |
835 | |
894 | |
836 | for (i = NUMPRI; i--; ) |
895 | for (i = NUMPRI; i--; ) |
837 | array_free (pending, [i]); |
896 | array_free (pending, [i]); |
838 | |
897 | |
… | |
… | |
844 | #endif |
903 | #endif |
845 | array_free (idle, EMPTY0); |
904 | array_free (idle, EMPTY0); |
846 | array_free (prepare, EMPTY0); |
905 | array_free (prepare, EMPTY0); |
847 | array_free (check, EMPTY0); |
906 | array_free (check, EMPTY0); |
848 | |
907 | |
849 | method = 0; |
908 | backend = 0; |
850 | } |
909 | } |
851 | |
910 | |
852 | static void |
911 | static void |
853 | loop_fork (EV_P) |
912 | loop_fork (EV_P) |
854 | { |
913 | { |
855 | #if EV_USE_PORT |
914 | #if EV_USE_PORT |
856 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
915 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
857 | #endif |
916 | #endif |
858 | #if EV_USE_KQUEUE |
917 | #if EV_USE_KQUEUE |
859 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
918 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
860 | #endif |
919 | #endif |
861 | #if EV_USE_EPOLL |
920 | #if EV_USE_EPOLL |
862 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
921 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
863 | #endif |
922 | #endif |
864 | |
923 | |
865 | if (ev_is_active (&sigev)) |
924 | if (ev_is_active (&sigev)) |
866 | { |
925 | { |
867 | /* default loop */ |
926 | /* default loop */ |
… | |
… | |
888 | |
947 | |
889 | memset (loop, 0, sizeof (struct ev_loop)); |
948 | memset (loop, 0, sizeof (struct ev_loop)); |
890 | |
949 | |
891 | loop_init (EV_A_ flags); |
950 | loop_init (EV_A_ flags); |
892 | |
951 | |
893 | if (ev_method (EV_A)) |
952 | if (ev_backend (EV_A)) |
894 | return loop; |
953 | return loop; |
895 | |
954 | |
896 | return 0; |
955 | return 0; |
897 | } |
956 | } |
898 | |
957 | |
… | |
… | |
911 | |
970 | |
912 | #endif |
971 | #endif |
913 | |
972 | |
914 | #if EV_MULTIPLICITY |
973 | #if EV_MULTIPLICITY |
915 | struct ev_loop * |
974 | struct ev_loop * |
916 | ev_default_loop_ (unsigned int flags) |
975 | ev_default_loop_init (unsigned int flags) |
917 | #else |
976 | #else |
918 | int |
977 | int |
919 | ev_default_loop (unsigned int flags) |
978 | ev_default_loop (unsigned int flags) |
920 | #endif |
979 | #endif |
921 | { |
980 | { |
… | |
… | |
931 | ev_default_loop_ptr = 1; |
990 | ev_default_loop_ptr = 1; |
932 | #endif |
991 | #endif |
933 | |
992 | |
934 | loop_init (EV_A_ flags); |
993 | loop_init (EV_A_ flags); |
935 | |
994 | |
936 | if (ev_method (EV_A)) |
995 | if (ev_backend (EV_A)) |
937 | { |
996 | { |
938 | siginit (EV_A); |
997 | siginit (EV_A); |
939 | |
998 | |
940 | #ifndef _WIN32 |
999 | #ifndef _WIN32 |
941 | ev_signal_init (&childev, childcb, SIGCHLD); |
1000 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
977 | { |
1036 | { |
978 | #if EV_MULTIPLICITY |
1037 | #if EV_MULTIPLICITY |
979 | struct ev_loop *loop = ev_default_loop_ptr; |
1038 | struct ev_loop *loop = ev_default_loop_ptr; |
980 | #endif |
1039 | #endif |
981 | |
1040 | |
982 | if (method) |
1041 | if (backend) |
983 | postfork = 1; |
1042 | postfork = 1; |
984 | } |
1043 | } |
985 | |
1044 | |
986 | /*****************************************************************************/ |
1045 | /*****************************************************************************/ |
987 | |
1046 | |
… | |
… | |
995 | return 1; |
1054 | return 1; |
996 | |
1055 | |
997 | return 0; |
1056 | return 0; |
998 | } |
1057 | } |
999 | |
1058 | |
1000 | static void |
1059 | inline void |
1001 | call_pending (EV_P) |
1060 | call_pending (EV_P) |
1002 | { |
1061 | { |
1003 | int pri; |
1062 | int pri; |
1004 | |
1063 | |
1005 | for (pri = NUMPRI; pri--; ) |
1064 | for (pri = NUMPRI; pri--; ) |
1006 | while (pendingcnt [pri]) |
1065 | while (pendingcnt [pri]) |
1007 | { |
1066 | { |
1008 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1067 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1009 | |
1068 | |
1010 | if (p->w) |
1069 | if (expect_true (p->w)) |
1011 | { |
1070 | { |
1012 | p->w->pending = 0; |
1071 | p->w->pending = 0; |
1013 | EV_CB_INVOKE (p->w, p->events); |
1072 | EV_CB_INVOKE (p->w, p->events); |
1014 | } |
1073 | } |
1015 | } |
1074 | } |
1016 | } |
1075 | } |
1017 | |
1076 | |
1018 | static void |
1077 | inline void |
1019 | timers_reify (EV_P) |
1078 | timers_reify (EV_P) |
1020 | { |
1079 | { |
1021 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1080 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1022 | { |
1081 | { |
1023 | struct ev_timer *w = timers [0]; |
1082 | struct ev_timer *w = timers [0]; |
… | |
… | |
1041 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1100 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1042 | } |
1101 | } |
1043 | } |
1102 | } |
1044 | |
1103 | |
1045 | #if EV_PERIODICS |
1104 | #if EV_PERIODICS |
1046 | static void |
1105 | inline void |
1047 | periodics_reify (EV_P) |
1106 | periodics_reify (EV_P) |
1048 | { |
1107 | { |
1049 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1108 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1050 | { |
1109 | { |
1051 | struct ev_periodic *w = periodics [0]; |
1110 | struct ev_periodic *w = periodics [0]; |
… | |
… | |
1110 | ev_rt_now = ev_time (); |
1169 | ev_rt_now = ev_time (); |
1111 | return 1; |
1170 | return 1; |
1112 | } |
1171 | } |
1113 | } |
1172 | } |
1114 | |
1173 | |
1115 | static void |
1174 | inline void |
1116 | time_update (EV_P) |
1175 | time_update (EV_P) |
1117 | { |
1176 | { |
1118 | int i; |
1177 | int i; |
1119 | |
1178 | |
1120 | #if EV_USE_MONOTONIC |
1179 | #if EV_USE_MONOTONIC |
… | |
… | |
1219 | { |
1278 | { |
1220 | block = MAX_BLOCKTIME; |
1279 | block = MAX_BLOCKTIME; |
1221 | |
1280 | |
1222 | if (timercnt) |
1281 | if (timercnt) |
1223 | { |
1282 | { |
1224 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1283 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1225 | if (block > to) block = to; |
1284 | if (block > to) block = to; |
1226 | } |
1285 | } |
1227 | |
1286 | |
1228 | #if EV_PERIODICS |
1287 | #if EV_PERIODICS |
1229 | if (periodiccnt) |
1288 | if (periodiccnt) |
1230 | { |
1289 | { |
1231 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1290 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1232 | if (block > to) block = to; |
1291 | if (block > to) block = to; |
1233 | } |
1292 | } |
1234 | #endif |
1293 | #endif |
1235 | |
1294 | |
1236 | if (block < 0.) block = 0.; |
1295 | if (expect_false (block < 0.)) block = 0.; |
1237 | } |
1296 | } |
1238 | |
1297 | |
1239 | method_poll (EV_A_ block); |
1298 | backend_poll (EV_A_ block); |
1240 | |
1299 | |
1241 | /* update ev_rt_now, do magic */ |
1300 | /* update ev_rt_now, do magic */ |
1242 | time_update (EV_A); |
1301 | time_update (EV_A); |
1243 | |
1302 | |
1244 | /* queue pending timers and reschedule them */ |
1303 | /* queue pending timers and reschedule them */ |
… | |
… | |
1250 | /* queue idle watchers unless io or timers are pending */ |
1309 | /* queue idle watchers unless io or timers are pending */ |
1251 | if (idlecnt && !any_pending (EV_A)) |
1310 | if (idlecnt && !any_pending (EV_A)) |
1252 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1311 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1253 | |
1312 | |
1254 | /* queue check watchers, to be executed first */ |
1313 | /* queue check watchers, to be executed first */ |
1255 | if (checkcnt) |
1314 | if (expect_false (checkcnt)) |
1256 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1315 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1257 | |
1316 | |
1258 | call_pending (EV_A); |
1317 | call_pending (EV_A); |
1259 | |
1318 | |
1260 | if (loop_done) |
1319 | if (expect_false (loop_done)) |
1261 | break; |
1320 | break; |
1262 | } |
1321 | } |
1263 | |
1322 | |
1264 | if (loop_done != 2) |
1323 | if (loop_done != 2) |
1265 | loop_done = 0; |
1324 | loop_done = 0; |
… | |
… | |
1327 | void |
1386 | void |
1328 | ev_io_start (EV_P_ struct ev_io *w) |
1387 | ev_io_start (EV_P_ struct ev_io *w) |
1329 | { |
1388 | { |
1330 | int fd = w->fd; |
1389 | int fd = w->fd; |
1331 | |
1390 | |
1332 | if (ev_is_active (w)) |
1391 | if (expect_false (ev_is_active (w))) |
1333 | return; |
1392 | return; |
1334 | |
1393 | |
1335 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1394 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1336 | |
1395 | |
1337 | ev_start (EV_A_ (W)w, 1); |
1396 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1343 | |
1402 | |
1344 | void |
1403 | void |
1345 | ev_io_stop (EV_P_ struct ev_io *w) |
1404 | ev_io_stop (EV_P_ struct ev_io *w) |
1346 | { |
1405 | { |
1347 | ev_clear_pending (EV_A_ (W)w); |
1406 | ev_clear_pending (EV_A_ (W)w); |
1348 | if (!ev_is_active (w)) |
1407 | if (expect_false (!ev_is_active (w))) |
1349 | return; |
1408 | return; |
1350 | |
1409 | |
1351 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1410 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1352 | |
1411 | |
1353 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1412 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
… | |
… | |
1357 | } |
1416 | } |
1358 | |
1417 | |
1359 | void |
1418 | void |
1360 | ev_timer_start (EV_P_ struct ev_timer *w) |
1419 | ev_timer_start (EV_P_ struct ev_timer *w) |
1361 | { |
1420 | { |
1362 | if (ev_is_active (w)) |
1421 | if (expect_false (ev_is_active (w))) |
1363 | return; |
1422 | return; |
1364 | |
1423 | |
1365 | ((WT)w)->at += mn_now; |
1424 | ((WT)w)->at += mn_now; |
1366 | |
1425 | |
1367 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1426 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
… | |
… | |
1376 | |
1435 | |
1377 | void |
1436 | void |
1378 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1437 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1379 | { |
1438 | { |
1380 | ev_clear_pending (EV_A_ (W)w); |
1439 | ev_clear_pending (EV_A_ (W)w); |
1381 | if (!ev_is_active (w)) |
1440 | if (expect_false (!ev_is_active (w))) |
1382 | return; |
1441 | return; |
1383 | |
1442 | |
1384 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1443 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1385 | |
1444 | |
1386 | if (((W)w)->active < timercnt--) |
1445 | if (expect_true (((W)w)->active < timercnt--)) |
1387 | { |
1446 | { |
1388 | timers [((W)w)->active - 1] = timers [timercnt]; |
1447 | timers [((W)w)->active - 1] = timers [timercnt]; |
1389 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1448 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1390 | } |
1449 | } |
1391 | |
1450 | |
… | |
… | |
1416 | |
1475 | |
1417 | #if EV_PERIODICS |
1476 | #if EV_PERIODICS |
1418 | void |
1477 | void |
1419 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1478 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1420 | { |
1479 | { |
1421 | if (ev_is_active (w)) |
1480 | if (expect_false (ev_is_active (w))) |
1422 | return; |
1481 | return; |
1423 | |
1482 | |
1424 | if (w->reschedule_cb) |
1483 | if (w->reschedule_cb) |
1425 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1484 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1426 | else if (w->interval) |
1485 | else if (w->interval) |
… | |
… | |
1440 | |
1499 | |
1441 | void |
1500 | void |
1442 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1501 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1443 | { |
1502 | { |
1444 | ev_clear_pending (EV_A_ (W)w); |
1503 | ev_clear_pending (EV_A_ (W)w); |
1445 | if (!ev_is_active (w)) |
1504 | if (expect_false (!ev_is_active (w))) |
1446 | return; |
1505 | return; |
1447 | |
1506 | |
1448 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1507 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1449 | |
1508 | |
1450 | if (((W)w)->active < periodiccnt--) |
1509 | if (expect_true (((W)w)->active < periodiccnt--)) |
1451 | { |
1510 | { |
1452 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1511 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1453 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1512 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1454 | } |
1513 | } |
1455 | |
1514 | |
… | |
… | |
1466 | #endif |
1525 | #endif |
1467 | |
1526 | |
1468 | void |
1527 | void |
1469 | ev_idle_start (EV_P_ struct ev_idle *w) |
1528 | ev_idle_start (EV_P_ struct ev_idle *w) |
1470 | { |
1529 | { |
1471 | if (ev_is_active (w)) |
1530 | if (expect_false (ev_is_active (w))) |
1472 | return; |
1531 | return; |
1473 | |
1532 | |
1474 | ev_start (EV_A_ (W)w, ++idlecnt); |
1533 | ev_start (EV_A_ (W)w, ++idlecnt); |
1475 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1534 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1476 | idles [idlecnt - 1] = w; |
1535 | idles [idlecnt - 1] = w; |
… | |
… | |
1478 | |
1537 | |
1479 | void |
1538 | void |
1480 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1539 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1481 | { |
1540 | { |
1482 | ev_clear_pending (EV_A_ (W)w); |
1541 | ev_clear_pending (EV_A_ (W)w); |
1483 | if (!ev_is_active (w)) |
1542 | if (expect_false (!ev_is_active (w))) |
1484 | return; |
1543 | return; |
1485 | |
1544 | |
1486 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1545 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1487 | ev_stop (EV_A_ (W)w); |
1546 | ev_stop (EV_A_ (W)w); |
1488 | } |
1547 | } |
1489 | |
1548 | |
1490 | void |
1549 | void |
1491 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1550 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1492 | { |
1551 | { |
1493 | if (ev_is_active (w)) |
1552 | if (expect_false (ev_is_active (w))) |
1494 | return; |
1553 | return; |
1495 | |
1554 | |
1496 | ev_start (EV_A_ (W)w, ++preparecnt); |
1555 | ev_start (EV_A_ (W)w, ++preparecnt); |
1497 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1556 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1498 | prepares [preparecnt - 1] = w; |
1557 | prepares [preparecnt - 1] = w; |
… | |
… | |
1500 | |
1559 | |
1501 | void |
1560 | void |
1502 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1561 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1503 | { |
1562 | { |
1504 | ev_clear_pending (EV_A_ (W)w); |
1563 | ev_clear_pending (EV_A_ (W)w); |
1505 | if (!ev_is_active (w)) |
1564 | if (expect_false (!ev_is_active (w))) |
1506 | return; |
1565 | return; |
1507 | |
1566 | |
1508 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1567 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1509 | ev_stop (EV_A_ (W)w); |
1568 | ev_stop (EV_A_ (W)w); |
1510 | } |
1569 | } |
1511 | |
1570 | |
1512 | void |
1571 | void |
1513 | ev_check_start (EV_P_ struct ev_check *w) |
1572 | ev_check_start (EV_P_ struct ev_check *w) |
1514 | { |
1573 | { |
1515 | if (ev_is_active (w)) |
1574 | if (expect_false (ev_is_active (w))) |
1516 | return; |
1575 | return; |
1517 | |
1576 | |
1518 | ev_start (EV_A_ (W)w, ++checkcnt); |
1577 | ev_start (EV_A_ (W)w, ++checkcnt); |
1519 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1578 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1520 | checks [checkcnt - 1] = w; |
1579 | checks [checkcnt - 1] = w; |
… | |
… | |
1522 | |
1581 | |
1523 | void |
1582 | void |
1524 | ev_check_stop (EV_P_ struct ev_check *w) |
1583 | ev_check_stop (EV_P_ struct ev_check *w) |
1525 | { |
1584 | { |
1526 | ev_clear_pending (EV_A_ (W)w); |
1585 | ev_clear_pending (EV_A_ (W)w); |
1527 | if (!ev_is_active (w)) |
1586 | if (expect_false (!ev_is_active (w))) |
1528 | return; |
1587 | return; |
1529 | |
1588 | |
1530 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1589 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1531 | ev_stop (EV_A_ (W)w); |
1590 | ev_stop (EV_A_ (W)w); |
1532 | } |
1591 | } |
… | |
… | |
1539 | ev_signal_start (EV_P_ struct ev_signal *w) |
1598 | ev_signal_start (EV_P_ struct ev_signal *w) |
1540 | { |
1599 | { |
1541 | #if EV_MULTIPLICITY |
1600 | #if EV_MULTIPLICITY |
1542 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1601 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1543 | #endif |
1602 | #endif |
1544 | if (ev_is_active (w)) |
1603 | if (expect_false (ev_is_active (w))) |
1545 | return; |
1604 | return; |
1546 | |
1605 | |
1547 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1606 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1548 | |
1607 | |
1549 | ev_start (EV_A_ (W)w, 1); |
1608 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1566 | |
1625 | |
1567 | void |
1626 | void |
1568 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1627 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1569 | { |
1628 | { |
1570 | ev_clear_pending (EV_A_ (W)w); |
1629 | ev_clear_pending (EV_A_ (W)w); |
1571 | if (!ev_is_active (w)) |
1630 | if (expect_false (!ev_is_active (w))) |
1572 | return; |
1631 | return; |
1573 | |
1632 | |
1574 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1633 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1575 | ev_stop (EV_A_ (W)w); |
1634 | ev_stop (EV_A_ (W)w); |
1576 | |
1635 | |
… | |
… | |
1582 | ev_child_start (EV_P_ struct ev_child *w) |
1641 | ev_child_start (EV_P_ struct ev_child *w) |
1583 | { |
1642 | { |
1584 | #if EV_MULTIPLICITY |
1643 | #if EV_MULTIPLICITY |
1585 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1644 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1586 | #endif |
1645 | #endif |
1587 | if (ev_is_active (w)) |
1646 | if (expect_false (ev_is_active (w))) |
1588 | return; |
1647 | return; |
1589 | |
1648 | |
1590 | ev_start (EV_A_ (W)w, 1); |
1649 | ev_start (EV_A_ (W)w, 1); |
1591 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1650 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1592 | } |
1651 | } |
1593 | |
1652 | |
1594 | void |
1653 | void |
1595 | ev_child_stop (EV_P_ struct ev_child *w) |
1654 | ev_child_stop (EV_P_ struct ev_child *w) |
1596 | { |
1655 | { |
1597 | ev_clear_pending (EV_A_ (W)w); |
1656 | ev_clear_pending (EV_A_ (W)w); |
1598 | if (!ev_is_active (w)) |
1657 | if (expect_false (!ev_is_active (w))) |
1599 | return; |
1658 | return; |
1600 | |
1659 | |
1601 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1660 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1602 | ev_stop (EV_A_ (W)w); |
1661 | ev_stop (EV_A_ (W)w); |
1603 | } |
1662 | } |
… | |
… | |
1640 | void |
1699 | void |
1641 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1700 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1642 | { |
1701 | { |
1643 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1702 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1644 | |
1703 | |
1645 | if (!once) |
1704 | if (expect_false (!once)) |
|
|
1705 | { |
1646 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1706 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1647 | else |
1707 | return; |
1648 | { |
1708 | } |
|
|
1709 | |
1649 | once->cb = cb; |
1710 | once->cb = cb; |
1650 | once->arg = arg; |
1711 | once->arg = arg; |
1651 | |
1712 | |
1652 | ev_init (&once->io, once_cb_io); |
1713 | ev_init (&once->io, once_cb_io); |
1653 | if (fd >= 0) |
1714 | if (fd >= 0) |
1654 | { |
1715 | { |
1655 | ev_io_set (&once->io, fd, events); |
1716 | ev_io_set (&once->io, fd, events); |
1656 | ev_io_start (EV_A_ &once->io); |
1717 | ev_io_start (EV_A_ &once->io); |
1657 | } |
1718 | } |
1658 | |
1719 | |
1659 | ev_init (&once->to, once_cb_to); |
1720 | ev_init (&once->to, once_cb_to); |
1660 | if (timeout >= 0.) |
1721 | if (timeout >= 0.) |
1661 | { |
1722 | { |
1662 | ev_timer_set (&once->to, timeout, 0.); |
1723 | ev_timer_set (&once->to, timeout, 0.); |
1663 | ev_timer_start (EV_A_ &once->to); |
1724 | ev_timer_start (EV_A_ &once->to); |
1664 | } |
|
|
1665 | } |
1725 | } |
1666 | } |
1726 | } |
1667 | |
1727 | |
1668 | #ifdef __cplusplus |
1728 | #ifdef __cplusplus |
1669 | } |
1729 | } |