… | |
… | |
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 | |
… | |
… | |
151 | #endif |
175 | #endif |
152 | |
176 | |
153 | /**/ |
177 | /**/ |
154 | |
178 | |
155 | #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) */ |
156 | #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) */ |
157 | #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 */ |
158 | /*#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 */ |
159 | |
183 | |
160 | #ifdef EV_H |
184 | #ifdef EV_H |
161 | # include EV_H |
185 | # include EV_H |
162 | #else |
186 | #else |
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 | |
… | |
… | |
178 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
179 | |
203 | |
180 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
181 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
205 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
182 | |
206 | |
183 | typedef struct ev_watcher *W; |
207 | typedef ev_watcher *W; |
184 | typedef struct ev_watcher_list *WL; |
208 | typedef ev_watcher_list *WL; |
185 | typedef struct ev_watcher_time *WT; |
209 | typedef ev_watcher_time *WT; |
186 | |
210 | |
187 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
211 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
188 | |
212 | |
189 | #ifdef _WIN32 |
213 | #ifdef _WIN32 |
190 | # include "ev_win32.c" |
214 | # include "ev_win32.c" |
… | |
… | |
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 | |
… | |
… | |
392 | |
416 | |
393 | inline void |
417 | inline void |
394 | fd_event (EV_P_ int fd, int revents) |
418 | fd_event (EV_P_ int fd, int revents) |
395 | { |
419 | { |
396 | ANFD *anfd = anfds + fd; |
420 | ANFD *anfd = anfds + fd; |
397 | struct ev_io *w; |
421 | ev_io *w; |
398 | |
422 | |
399 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
423 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
400 | { |
424 | { |
401 | int ev = w->events & revents; |
425 | int ev = w->events & revents; |
402 | |
426 | |
403 | if (ev) |
427 | if (ev) |
404 | ev_feed_event (EV_A_ (W)w, ev); |
428 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
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) |
422 | { |
446 | { |
423 | int fd = fdchanges [i]; |
447 | int fd = fdchanges [i]; |
424 | ANFD *anfd = anfds + fd; |
448 | ANFD *anfd = anfds + fd; |
425 | struct ev_io *w; |
449 | ev_io *w; |
426 | |
450 | |
427 | int events = 0; |
451 | int events = 0; |
428 | |
452 | |
429 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
453 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
430 | events |= w->events; |
454 | events |= w->events; |
431 | |
455 | |
432 | #if EV_SELECT_IS_WINSOCKET |
456 | #if EV_SELECT_IS_WINSOCKET |
433 | if (events) |
457 | if (events) |
434 | { |
458 | { |
… | |
… | |
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; |
… | |
… | |
461 | } |
485 | } |
462 | |
486 | |
463 | static void |
487 | static void |
464 | fd_kill (EV_P_ int fd) |
488 | fd_kill (EV_P_ int fd) |
465 | { |
489 | { |
466 | struct ev_io *w; |
490 | ev_io *w; |
467 | |
491 | |
468 | while ((w = (struct ev_io *)anfds [fd].head)) |
492 | while ((w = (ev_io *)anfds [fd].head)) |
469 | { |
493 | { |
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 | |
… | |
… | |
584 | static ANSIG *signals; |
608 | static ANSIG *signals; |
585 | static int signalmax; |
609 | static int signalmax; |
586 | |
610 | |
587 | static int sigpipe [2]; |
611 | static int sigpipe [2]; |
588 | static sig_atomic_t volatile gotsig; |
612 | static sig_atomic_t volatile gotsig; |
589 | static struct ev_io sigev; |
613 | static ev_io sigev; |
590 | |
614 | |
591 | static void |
615 | static void |
592 | signals_init (ANSIG *base, int count) |
616 | signals_init (ANSIG *base, int count) |
593 | { |
617 | { |
594 | while (count--) |
618 | while (count--) |
… | |
… | |
637 | for (w = signals [signum].head; w; w = w->next) |
661 | for (w = signals [signum].head; w; w = w->next) |
638 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
662 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
639 | } |
663 | } |
640 | |
664 | |
641 | static void |
665 | static void |
642 | sigcb (EV_P_ struct ev_io *iow, int revents) |
666 | sigcb (EV_P_ ev_io *iow, int revents) |
643 | { |
667 | { |
644 | int signum; |
668 | int signum; |
645 | |
669 | |
646 | read (sigpipe [0], &revents, 1); |
670 | read (sigpipe [0], &revents, 1); |
647 | gotsig = 0; |
671 | gotsig = 0; |
… | |
… | |
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); |
… | |
… | |
674 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
698 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
675 | } |
699 | } |
676 | |
700 | |
677 | /*****************************************************************************/ |
701 | /*****************************************************************************/ |
678 | |
702 | |
679 | static struct ev_child *childs [PID_HASHSIZE]; |
703 | static ev_child *childs [PID_HASHSIZE]; |
680 | |
704 | |
681 | #ifndef _WIN32 |
705 | #ifndef _WIN32 |
682 | |
706 | |
683 | static struct ev_signal childev; |
707 | static ev_signal childev; |
684 | |
708 | |
685 | #ifndef WCONTINUED |
709 | #ifndef WCONTINUED |
686 | # define WCONTINUED 0 |
710 | # define WCONTINUED 0 |
687 | #endif |
711 | #endif |
688 | |
712 | |
689 | static void |
713 | static void |
690 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
714 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
691 | { |
715 | { |
692 | struct ev_child *w; |
716 | ev_child *w; |
693 | |
717 | |
694 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
718 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
695 | if (w->pid == pid || !w->pid) |
719 | if (w->pid == pid || !w->pid) |
696 | { |
720 | { |
697 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
721 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
698 | w->rpid = pid; |
722 | w->rpid = pid; |
699 | w->rstatus = status; |
723 | w->rstatus = status; |
700 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
724 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
701 | } |
725 | } |
702 | } |
726 | } |
703 | |
727 | |
704 | static void |
728 | static void |
705 | childcb (EV_P_ struct ev_signal *sw, int revents) |
729 | childcb (EV_P_ ev_signal *sw, int revents) |
706 | { |
730 | { |
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_embeddable_backends (void) |
|
|
822 | { |
|
|
823 | return EVBACKEND_EPOLL |
|
|
824 | | EVBACKEND_KQUEUE |
|
|
825 | | EVBACKEND_PORT; |
|
|
826 | } |
|
|
827 | |
|
|
828 | unsigned int |
|
|
829 | ev_backend (EV_P) |
|
|
830 | { |
|
|
831 | return backend; |
767 | } |
832 | } |
768 | |
833 | |
769 | static void |
834 | static void |
770 | loop_init (EV_P_ unsigned int flags) |
835 | loop_init (EV_P_ unsigned int flags) |
771 | { |
836 | { |
772 | if (!method) |
837 | if (!backend) |
773 | { |
838 | { |
774 | #if EV_USE_MONOTONIC |
839 | #if EV_USE_MONOTONIC |
775 | { |
840 | { |
776 | struct timespec ts; |
841 | struct timespec ts; |
777 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
842 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
782 | ev_rt_now = ev_time (); |
847 | ev_rt_now = ev_time (); |
783 | mn_now = get_clock (); |
848 | mn_now = get_clock (); |
784 | now_floor = mn_now; |
849 | now_floor = mn_now; |
785 | rtmn_diff = ev_rt_now - mn_now; |
850 | rtmn_diff = ev_rt_now - mn_now; |
786 | |
851 | |
787 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
852 | if (!(flags & EVFLAG_NOENV) |
|
|
853 | && !enable_secure () |
|
|
854 | && getenv ("LIBEV_FLAGS")) |
788 | flags = atoi (getenv ("LIBEV_FLAGS")); |
855 | flags = atoi (getenv ("LIBEV_FLAGS")); |
789 | |
856 | |
790 | if (!(flags & 0x0000ffff)) |
857 | if (!(flags & 0x0000ffffUL)) |
791 | flags |= 0x0000ffff; |
858 | flags |= ev_recommended_backends (); |
792 | |
859 | |
793 | method = 0; |
860 | backend = 0; |
794 | #if EV_USE_PORT |
861 | #if EV_USE_PORT |
795 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
862 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
796 | #endif |
863 | #endif |
797 | #if EV_USE_KQUEUE |
864 | #if EV_USE_KQUEUE |
798 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
865 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
799 | #endif |
866 | #endif |
800 | #if EV_USE_EPOLL |
867 | #if EV_USE_EPOLL |
801 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
868 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
802 | #endif |
869 | #endif |
803 | #if EV_USE_POLL |
870 | #if EV_USE_POLL |
804 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
871 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
805 | #endif |
872 | #endif |
806 | #if EV_USE_SELECT |
873 | #if EV_USE_SELECT |
807 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
874 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
808 | #endif |
875 | #endif |
809 | |
876 | |
810 | ev_init (&sigev, sigcb); |
877 | ev_init (&sigev, sigcb); |
811 | ev_set_priority (&sigev, EV_MAXPRI); |
878 | ev_set_priority (&sigev, EV_MAXPRI); |
812 | } |
879 | } |
813 | } |
880 | } |
814 | |
881 | |
815 | void |
882 | static void |
816 | loop_destroy (EV_P) |
883 | loop_destroy (EV_P) |
817 | { |
884 | { |
818 | int i; |
885 | int i; |
819 | |
886 | |
820 | #if EV_USE_PORT |
887 | #if EV_USE_PORT |
821 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
888 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
822 | #endif |
889 | #endif |
823 | #if EV_USE_KQUEUE |
890 | #if EV_USE_KQUEUE |
824 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
891 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
825 | #endif |
892 | #endif |
826 | #if EV_USE_EPOLL |
893 | #if EV_USE_EPOLL |
827 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
894 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
828 | #endif |
895 | #endif |
829 | #if EV_USE_POLL |
896 | #if EV_USE_POLL |
830 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
897 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
831 | #endif |
898 | #endif |
832 | #if EV_USE_SELECT |
899 | #if EV_USE_SELECT |
833 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
900 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
834 | #endif |
901 | #endif |
835 | |
902 | |
836 | for (i = NUMPRI; i--; ) |
903 | for (i = NUMPRI; i--; ) |
837 | array_free (pending, [i]); |
904 | array_free (pending, [i]); |
838 | |
905 | |
… | |
… | |
844 | #endif |
911 | #endif |
845 | array_free (idle, EMPTY0); |
912 | array_free (idle, EMPTY0); |
846 | array_free (prepare, EMPTY0); |
913 | array_free (prepare, EMPTY0); |
847 | array_free (check, EMPTY0); |
914 | array_free (check, EMPTY0); |
848 | |
915 | |
849 | method = 0; |
916 | backend = 0; |
850 | } |
917 | } |
851 | |
918 | |
852 | static void |
919 | static void |
853 | loop_fork (EV_P) |
920 | loop_fork (EV_P) |
854 | { |
921 | { |
855 | #if EV_USE_PORT |
922 | #if EV_USE_PORT |
856 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
923 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
857 | #endif |
924 | #endif |
858 | #if EV_USE_KQUEUE |
925 | #if EV_USE_KQUEUE |
859 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
926 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
860 | #endif |
927 | #endif |
861 | #if EV_USE_EPOLL |
928 | #if EV_USE_EPOLL |
862 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
929 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
863 | #endif |
930 | #endif |
864 | |
931 | |
865 | if (ev_is_active (&sigev)) |
932 | if (ev_is_active (&sigev)) |
866 | { |
933 | { |
867 | /* default loop */ |
934 | /* default loop */ |
… | |
… | |
888 | |
955 | |
889 | memset (loop, 0, sizeof (struct ev_loop)); |
956 | memset (loop, 0, sizeof (struct ev_loop)); |
890 | |
957 | |
891 | loop_init (EV_A_ flags); |
958 | loop_init (EV_A_ flags); |
892 | |
959 | |
893 | if (ev_method (EV_A)) |
960 | if (ev_backend (EV_A)) |
894 | return loop; |
961 | return loop; |
895 | |
962 | |
896 | return 0; |
963 | return 0; |
897 | } |
964 | } |
898 | |
965 | |
… | |
… | |
911 | |
978 | |
912 | #endif |
979 | #endif |
913 | |
980 | |
914 | #if EV_MULTIPLICITY |
981 | #if EV_MULTIPLICITY |
915 | struct ev_loop * |
982 | struct ev_loop * |
916 | ev_default_loop_ (unsigned int flags) |
983 | ev_default_loop_init (unsigned int flags) |
917 | #else |
984 | #else |
918 | int |
985 | int |
919 | ev_default_loop (unsigned int flags) |
986 | ev_default_loop (unsigned int flags) |
920 | #endif |
987 | #endif |
921 | { |
988 | { |
… | |
… | |
931 | ev_default_loop_ptr = 1; |
998 | ev_default_loop_ptr = 1; |
932 | #endif |
999 | #endif |
933 | |
1000 | |
934 | loop_init (EV_A_ flags); |
1001 | loop_init (EV_A_ flags); |
935 | |
1002 | |
936 | if (ev_method (EV_A)) |
1003 | if (ev_backend (EV_A)) |
937 | { |
1004 | { |
938 | siginit (EV_A); |
1005 | siginit (EV_A); |
939 | |
1006 | |
940 | #ifndef _WIN32 |
1007 | #ifndef _WIN32 |
941 | ev_signal_init (&childev, childcb, SIGCHLD); |
1008 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
977 | { |
1044 | { |
978 | #if EV_MULTIPLICITY |
1045 | #if EV_MULTIPLICITY |
979 | struct ev_loop *loop = ev_default_loop_ptr; |
1046 | struct ev_loop *loop = ev_default_loop_ptr; |
980 | #endif |
1047 | #endif |
981 | |
1048 | |
982 | if (method) |
1049 | if (backend) |
983 | postfork = 1; |
1050 | postfork = 1; |
984 | } |
1051 | } |
985 | |
1052 | |
986 | /*****************************************************************************/ |
1053 | /*****************************************************************************/ |
987 | |
1054 | |
… | |
… | |
995 | return 1; |
1062 | return 1; |
996 | |
1063 | |
997 | return 0; |
1064 | return 0; |
998 | } |
1065 | } |
999 | |
1066 | |
1000 | static void |
1067 | inline void |
1001 | call_pending (EV_P) |
1068 | call_pending (EV_P) |
1002 | { |
1069 | { |
1003 | int pri; |
1070 | int pri; |
1004 | |
1071 | |
1005 | for (pri = NUMPRI; pri--; ) |
1072 | for (pri = NUMPRI; pri--; ) |
1006 | while (pendingcnt [pri]) |
1073 | while (pendingcnt [pri]) |
1007 | { |
1074 | { |
1008 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1075 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1009 | |
1076 | |
1010 | if (p->w) |
1077 | if (expect_true (p->w)) |
1011 | { |
1078 | { |
|
|
1079 | assert (("non-pending watcher on pending list", p->w->pending)); |
|
|
1080 | |
1012 | p->w->pending = 0; |
1081 | p->w->pending = 0; |
1013 | EV_CB_INVOKE (p->w, p->events); |
1082 | EV_CB_INVOKE (p->w, p->events); |
1014 | } |
1083 | } |
1015 | } |
1084 | } |
1016 | } |
1085 | } |
1017 | |
1086 | |
1018 | static void |
1087 | inline void |
1019 | timers_reify (EV_P) |
1088 | timers_reify (EV_P) |
1020 | { |
1089 | { |
1021 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1090 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1022 | { |
1091 | { |
1023 | struct ev_timer *w = timers [0]; |
1092 | ev_timer *w = timers [0]; |
1024 | |
1093 | |
1025 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1094 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1026 | |
1095 | |
1027 | /* first reschedule or stop timer */ |
1096 | /* first reschedule or stop timer */ |
1028 | if (w->repeat) |
1097 | if (w->repeat) |
… | |
… | |
1041 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1110 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1042 | } |
1111 | } |
1043 | } |
1112 | } |
1044 | |
1113 | |
1045 | #if EV_PERIODICS |
1114 | #if EV_PERIODICS |
1046 | static void |
1115 | inline void |
1047 | periodics_reify (EV_P) |
1116 | periodics_reify (EV_P) |
1048 | { |
1117 | { |
1049 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1118 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1050 | { |
1119 | { |
1051 | struct ev_periodic *w = periodics [0]; |
1120 | ev_periodic *w = periodics [0]; |
1052 | |
1121 | |
1053 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1122 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1054 | |
1123 | |
1055 | /* first reschedule or stop timer */ |
1124 | /* first reschedule or stop timer */ |
1056 | if (w->reschedule_cb) |
1125 | if (w->reschedule_cb) |
… | |
… | |
1078 | int i; |
1147 | int i; |
1079 | |
1148 | |
1080 | /* adjust periodics after time jump */ |
1149 | /* adjust periodics after time jump */ |
1081 | for (i = 0; i < periodiccnt; ++i) |
1150 | for (i = 0; i < periodiccnt; ++i) |
1082 | { |
1151 | { |
1083 | struct ev_periodic *w = periodics [i]; |
1152 | ev_periodic *w = periodics [i]; |
1084 | |
1153 | |
1085 | if (w->reschedule_cb) |
1154 | if (w->reschedule_cb) |
1086 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1155 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1087 | else if (w->interval) |
1156 | else if (w->interval) |
1088 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1157 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
… | |
… | |
1110 | ev_rt_now = ev_time (); |
1179 | ev_rt_now = ev_time (); |
1111 | return 1; |
1180 | return 1; |
1112 | } |
1181 | } |
1113 | } |
1182 | } |
1114 | |
1183 | |
1115 | static void |
1184 | inline void |
1116 | time_update (EV_P) |
1185 | time_update (EV_P) |
1117 | { |
1186 | { |
1118 | int i; |
1187 | int i; |
1119 | |
1188 | |
1120 | #if EV_USE_MONOTONIC |
1189 | #if EV_USE_MONOTONIC |
… | |
… | |
1122 | { |
1191 | { |
1123 | if (time_update_monotonic (EV_A)) |
1192 | if (time_update_monotonic (EV_A)) |
1124 | { |
1193 | { |
1125 | ev_tstamp odiff = rtmn_diff; |
1194 | ev_tstamp odiff = rtmn_diff; |
1126 | |
1195 | |
1127 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1196 | /* loop a few times, before making important decisions. |
|
|
1197 | * on the choice of "4": one iteration isn't enough, |
|
|
1198 | * in case we get preempted during the calls to |
|
|
1199 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1200 | * to succeed in that case, though. and looping a few more times |
|
|
1201 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1202 | * in the unlikely event of getting preempted here. |
|
|
1203 | */ |
|
|
1204 | for (i = 4; --i; ) |
1128 | { |
1205 | { |
1129 | rtmn_diff = ev_rt_now - mn_now; |
1206 | rtmn_diff = ev_rt_now - mn_now; |
1130 | |
1207 | |
1131 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1208 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1132 | return; /* all is well */ |
1209 | return; /* all is well */ |
… | |
… | |
1178 | static int loop_done; |
1255 | static int loop_done; |
1179 | |
1256 | |
1180 | void |
1257 | void |
1181 | ev_loop (EV_P_ int flags) |
1258 | ev_loop (EV_P_ int flags) |
1182 | { |
1259 | { |
1183 | double block; |
|
|
1184 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1260 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1261 | ? EVUNLOOP_ONE |
|
|
1262 | : EVUNLOOP_CANCEL; |
1185 | |
1263 | |
1186 | while (activecnt) |
1264 | while (activecnt) |
1187 | { |
1265 | { |
1188 | /* queue check watchers (and execute them) */ |
1266 | /* queue check watchers (and execute them) */ |
1189 | if (expect_false (preparecnt)) |
1267 | if (expect_false (preparecnt)) |
… | |
… | |
1198 | |
1276 | |
1199 | /* update fd-related kernel structures */ |
1277 | /* update fd-related kernel structures */ |
1200 | fd_reify (EV_A); |
1278 | fd_reify (EV_A); |
1201 | |
1279 | |
1202 | /* calculate blocking time */ |
1280 | /* calculate blocking time */ |
|
|
1281 | { |
|
|
1282 | double block; |
1203 | |
1283 | |
1204 | /* we only need this for !monotonic clock or timers, but as we basically |
1284 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1205 | always have timers, we just calculate it always */ |
1285 | block = 0.; /* do not block at all */ |
|
|
1286 | else |
|
|
1287 | { |
|
|
1288 | /* update time to cancel out callback processing overhead */ |
1206 | #if EV_USE_MONOTONIC |
1289 | #if EV_USE_MONOTONIC |
1207 | if (expect_true (have_monotonic)) |
1290 | if (expect_true (have_monotonic)) |
1208 | time_update_monotonic (EV_A); |
1291 | time_update_monotonic (EV_A); |
1209 | else |
1292 | else |
1210 | #endif |
1293 | #endif |
1211 | { |
1294 | { |
1212 | ev_rt_now = ev_time (); |
1295 | ev_rt_now = ev_time (); |
1213 | mn_now = ev_rt_now; |
1296 | mn_now = ev_rt_now; |
1214 | } |
1297 | } |
1215 | |
1298 | |
1216 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1217 | block = 0.; |
|
|
1218 | else |
|
|
1219 | { |
|
|
1220 | block = MAX_BLOCKTIME; |
1299 | block = MAX_BLOCKTIME; |
1221 | |
1300 | |
1222 | if (timercnt) |
1301 | if (timercnt) |
1223 | { |
1302 | { |
1224 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1303 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1225 | if (block > to) block = to; |
1304 | if (block > to) block = to; |
1226 | } |
1305 | } |
1227 | |
1306 | |
1228 | #if EV_PERIODICS |
1307 | #if EV_PERIODICS |
1229 | if (periodiccnt) |
1308 | if (periodiccnt) |
1230 | { |
1309 | { |
1231 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1310 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1232 | if (block > to) block = to; |
1311 | if (block > to) block = to; |
1233 | } |
1312 | } |
1234 | #endif |
1313 | #endif |
1235 | |
1314 | |
1236 | if (block < 0.) block = 0.; |
1315 | if (expect_false (block < 0.)) block = 0.; |
1237 | } |
1316 | } |
1238 | |
1317 | |
1239 | method_poll (EV_A_ block); |
1318 | backend_poll (EV_A_ block); |
|
|
1319 | } |
1240 | |
1320 | |
1241 | /* update ev_rt_now, do magic */ |
1321 | /* update ev_rt_now, do magic */ |
1242 | time_update (EV_A); |
1322 | time_update (EV_A); |
1243 | |
1323 | |
1244 | /* queue pending timers and reschedule them */ |
1324 | /* queue pending timers and reschedule them */ |
1245 | timers_reify (EV_A); /* relative timers called last */ |
1325 | timers_reify (EV_A); /* relative timers called last */ |
1246 | #if EV_PERIODICS |
1326 | #if EV_PERIODICS |
1247 | periodics_reify (EV_A); /* absolute timers called first */ |
1327 | periodics_reify (EV_A); /* absolute timers called first */ |
1248 | #endif |
1328 | #endif |
1249 | |
1329 | |
1250 | /* queue idle watchers unless io or timers are pending */ |
1330 | /* queue idle watchers unless other events are pending */ |
1251 | if (idlecnt && !any_pending (EV_A)) |
1331 | if (idlecnt && !any_pending (EV_A)) |
1252 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1332 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1253 | |
1333 | |
1254 | /* queue check watchers, to be executed first */ |
1334 | /* queue check watchers, to be executed first */ |
1255 | if (checkcnt) |
1335 | if (expect_false (checkcnt)) |
1256 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1336 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1257 | |
1337 | |
1258 | call_pending (EV_A); |
1338 | call_pending (EV_A); |
1259 | |
1339 | |
1260 | if (loop_done) |
1340 | if (expect_false (loop_done)) |
1261 | break; |
1341 | break; |
1262 | } |
1342 | } |
1263 | |
1343 | |
1264 | if (loop_done != 2) |
1344 | if (loop_done == EVUNLOOP_ONE) |
1265 | loop_done = 0; |
1345 | loop_done = EVUNLOOP_CANCEL; |
1266 | } |
1346 | } |
1267 | |
1347 | |
1268 | void |
1348 | void |
1269 | ev_unloop (EV_P_ int how) |
1349 | ev_unloop (EV_P_ int how) |
1270 | { |
1350 | { |
… | |
… | |
1323 | } |
1403 | } |
1324 | |
1404 | |
1325 | /*****************************************************************************/ |
1405 | /*****************************************************************************/ |
1326 | |
1406 | |
1327 | void |
1407 | void |
1328 | ev_io_start (EV_P_ struct ev_io *w) |
1408 | ev_io_start (EV_P_ ev_io *w) |
1329 | { |
1409 | { |
1330 | int fd = w->fd; |
1410 | int fd = w->fd; |
1331 | |
1411 | |
1332 | if (ev_is_active (w)) |
1412 | if (expect_false (ev_is_active (w))) |
1333 | return; |
1413 | return; |
1334 | |
1414 | |
1335 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1415 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1336 | |
1416 | |
1337 | ev_start (EV_A_ (W)w, 1); |
1417 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1340 | |
1420 | |
1341 | fd_change (EV_A_ fd); |
1421 | fd_change (EV_A_ fd); |
1342 | } |
1422 | } |
1343 | |
1423 | |
1344 | void |
1424 | void |
1345 | ev_io_stop (EV_P_ struct ev_io *w) |
1425 | ev_io_stop (EV_P_ ev_io *w) |
1346 | { |
1426 | { |
1347 | ev_clear_pending (EV_A_ (W)w); |
1427 | ev_clear_pending (EV_A_ (W)w); |
1348 | if (!ev_is_active (w)) |
1428 | if (expect_false (!ev_is_active (w))) |
1349 | return; |
1429 | return; |
1350 | |
1430 | |
1351 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1431 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1352 | |
1432 | |
1353 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1433 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
… | |
… | |
1355 | |
1435 | |
1356 | fd_change (EV_A_ w->fd); |
1436 | fd_change (EV_A_ w->fd); |
1357 | } |
1437 | } |
1358 | |
1438 | |
1359 | void |
1439 | void |
1360 | ev_timer_start (EV_P_ struct ev_timer *w) |
1440 | ev_timer_start (EV_P_ ev_timer *w) |
1361 | { |
1441 | { |
1362 | if (ev_is_active (w)) |
1442 | if (expect_false (ev_is_active (w))) |
1363 | return; |
1443 | return; |
1364 | |
1444 | |
1365 | ((WT)w)->at += mn_now; |
1445 | ((WT)w)->at += mn_now; |
1366 | |
1446 | |
1367 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1447 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1368 | |
1448 | |
1369 | ev_start (EV_A_ (W)w, ++timercnt); |
1449 | ev_start (EV_A_ (W)w, ++timercnt); |
1370 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1450 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1371 | timers [timercnt - 1] = w; |
1451 | timers [timercnt - 1] = w; |
1372 | upheap ((WT *)timers, timercnt - 1); |
1452 | upheap ((WT *)timers, timercnt - 1); |
1373 | |
1453 | |
1374 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1454 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1375 | } |
1455 | } |
1376 | |
1456 | |
1377 | void |
1457 | void |
1378 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1458 | ev_timer_stop (EV_P_ ev_timer *w) |
1379 | { |
1459 | { |
1380 | ev_clear_pending (EV_A_ (W)w); |
1460 | ev_clear_pending (EV_A_ (W)w); |
1381 | if (!ev_is_active (w)) |
1461 | if (expect_false (!ev_is_active (w))) |
1382 | return; |
1462 | return; |
1383 | |
1463 | |
1384 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1464 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1385 | |
1465 | |
1386 | if (((W)w)->active < timercnt--) |
1466 | if (expect_true (((W)w)->active < timercnt--)) |
1387 | { |
1467 | { |
1388 | timers [((W)w)->active - 1] = timers [timercnt]; |
1468 | timers [((W)w)->active - 1] = timers [timercnt]; |
1389 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1469 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1390 | } |
1470 | } |
1391 | |
1471 | |
… | |
… | |
1393 | |
1473 | |
1394 | ev_stop (EV_A_ (W)w); |
1474 | ev_stop (EV_A_ (W)w); |
1395 | } |
1475 | } |
1396 | |
1476 | |
1397 | void |
1477 | void |
1398 | ev_timer_again (EV_P_ struct ev_timer *w) |
1478 | ev_timer_again (EV_P_ ev_timer *w) |
1399 | { |
1479 | { |
1400 | if (ev_is_active (w)) |
1480 | if (ev_is_active (w)) |
1401 | { |
1481 | { |
1402 | if (w->repeat) |
1482 | if (w->repeat) |
1403 | { |
1483 | { |
… | |
… | |
1414 | } |
1494 | } |
1415 | } |
1495 | } |
1416 | |
1496 | |
1417 | #if EV_PERIODICS |
1497 | #if EV_PERIODICS |
1418 | void |
1498 | void |
1419 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1499 | ev_periodic_start (EV_P_ ev_periodic *w) |
1420 | { |
1500 | { |
1421 | if (ev_is_active (w)) |
1501 | if (expect_false (ev_is_active (w))) |
1422 | return; |
1502 | return; |
1423 | |
1503 | |
1424 | if (w->reschedule_cb) |
1504 | if (w->reschedule_cb) |
1425 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1505 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1426 | else if (w->interval) |
1506 | else if (w->interval) |
… | |
… | |
1429 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1509 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1430 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1510 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1431 | } |
1511 | } |
1432 | |
1512 | |
1433 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1513 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1434 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1514 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1435 | periodics [periodiccnt - 1] = w; |
1515 | periodics [periodiccnt - 1] = w; |
1436 | upheap ((WT *)periodics, periodiccnt - 1); |
1516 | upheap ((WT *)periodics, periodiccnt - 1); |
1437 | |
1517 | |
1438 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1518 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1439 | } |
1519 | } |
1440 | |
1520 | |
1441 | void |
1521 | void |
1442 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1522 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1443 | { |
1523 | { |
1444 | ev_clear_pending (EV_A_ (W)w); |
1524 | ev_clear_pending (EV_A_ (W)w); |
1445 | if (!ev_is_active (w)) |
1525 | if (expect_false (!ev_is_active (w))) |
1446 | return; |
1526 | return; |
1447 | |
1527 | |
1448 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1528 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1449 | |
1529 | |
1450 | if (((W)w)->active < periodiccnt--) |
1530 | if (expect_true (((W)w)->active < periodiccnt--)) |
1451 | { |
1531 | { |
1452 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1532 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1453 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1533 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1454 | } |
1534 | } |
1455 | |
1535 | |
1456 | ev_stop (EV_A_ (W)w); |
1536 | ev_stop (EV_A_ (W)w); |
1457 | } |
1537 | } |
1458 | |
1538 | |
1459 | void |
1539 | void |
1460 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1540 | ev_periodic_again (EV_P_ ev_periodic *w) |
1461 | { |
1541 | { |
1462 | /* TODO: use adjustheap and recalculation */ |
1542 | /* TODO: use adjustheap and recalculation */ |
1463 | ev_periodic_stop (EV_A_ w); |
1543 | ev_periodic_stop (EV_A_ w); |
1464 | ev_periodic_start (EV_A_ w); |
1544 | ev_periodic_start (EV_A_ w); |
1465 | } |
1545 | } |
1466 | #endif |
1546 | #endif |
1467 | |
1547 | |
1468 | void |
1548 | void |
1469 | ev_idle_start (EV_P_ struct ev_idle *w) |
1549 | ev_idle_start (EV_P_ ev_idle *w) |
1470 | { |
1550 | { |
1471 | if (ev_is_active (w)) |
1551 | if (expect_false (ev_is_active (w))) |
1472 | return; |
1552 | return; |
1473 | |
1553 | |
1474 | ev_start (EV_A_ (W)w, ++idlecnt); |
1554 | ev_start (EV_A_ (W)w, ++idlecnt); |
1475 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1555 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1476 | idles [idlecnt - 1] = w; |
1556 | idles [idlecnt - 1] = w; |
1477 | } |
1557 | } |
1478 | |
1558 | |
1479 | void |
1559 | void |
1480 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1560 | ev_idle_stop (EV_P_ ev_idle *w) |
1481 | { |
1561 | { |
1482 | ev_clear_pending (EV_A_ (W)w); |
1562 | ev_clear_pending (EV_A_ (W)w); |
1483 | if (!ev_is_active (w)) |
1563 | if (expect_false (!ev_is_active (w))) |
1484 | return; |
1564 | return; |
1485 | |
1565 | |
|
|
1566 | { |
|
|
1567 | int active = ((W)w)->active; |
1486 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1568 | idles [active - 1] = idles [--idlecnt]; |
|
|
1569 | ((W)idles [active - 1])->active = active; |
|
|
1570 | } |
|
|
1571 | |
1487 | ev_stop (EV_A_ (W)w); |
1572 | ev_stop (EV_A_ (W)w); |
1488 | } |
1573 | } |
1489 | |
1574 | |
1490 | void |
1575 | void |
1491 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1576 | ev_prepare_start (EV_P_ ev_prepare *w) |
1492 | { |
1577 | { |
1493 | if (ev_is_active (w)) |
1578 | if (expect_false (ev_is_active (w))) |
1494 | return; |
1579 | return; |
1495 | |
1580 | |
1496 | ev_start (EV_A_ (W)w, ++preparecnt); |
1581 | ev_start (EV_A_ (W)w, ++preparecnt); |
1497 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1582 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1498 | prepares [preparecnt - 1] = w; |
1583 | prepares [preparecnt - 1] = w; |
1499 | } |
1584 | } |
1500 | |
1585 | |
1501 | void |
1586 | void |
1502 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1587 | ev_prepare_stop (EV_P_ ev_prepare *w) |
1503 | { |
1588 | { |
1504 | ev_clear_pending (EV_A_ (W)w); |
1589 | ev_clear_pending (EV_A_ (W)w); |
1505 | if (!ev_is_active (w)) |
1590 | if (expect_false (!ev_is_active (w))) |
1506 | return; |
1591 | return; |
1507 | |
1592 | |
|
|
1593 | { |
|
|
1594 | int active = ((W)w)->active; |
1508 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1595 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1596 | ((W)prepares [active - 1])->active = active; |
|
|
1597 | } |
|
|
1598 | |
1509 | ev_stop (EV_A_ (W)w); |
1599 | ev_stop (EV_A_ (W)w); |
1510 | } |
1600 | } |
1511 | |
1601 | |
1512 | void |
1602 | void |
1513 | ev_check_start (EV_P_ struct ev_check *w) |
1603 | ev_check_start (EV_P_ ev_check *w) |
1514 | { |
1604 | { |
1515 | if (ev_is_active (w)) |
1605 | if (expect_false (ev_is_active (w))) |
1516 | return; |
1606 | return; |
1517 | |
1607 | |
1518 | ev_start (EV_A_ (W)w, ++checkcnt); |
1608 | ev_start (EV_A_ (W)w, ++checkcnt); |
1519 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1609 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1520 | checks [checkcnt - 1] = w; |
1610 | checks [checkcnt - 1] = w; |
1521 | } |
1611 | } |
1522 | |
1612 | |
1523 | void |
1613 | void |
1524 | ev_check_stop (EV_P_ struct ev_check *w) |
1614 | ev_check_stop (EV_P_ ev_check *w) |
1525 | { |
1615 | { |
1526 | ev_clear_pending (EV_A_ (W)w); |
1616 | ev_clear_pending (EV_A_ (W)w); |
1527 | if (!ev_is_active (w)) |
1617 | if (expect_false (!ev_is_active (w))) |
1528 | return; |
1618 | return; |
1529 | |
1619 | |
|
|
1620 | { |
|
|
1621 | int active = ((W)w)->active; |
1530 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1622 | checks [active - 1] = checks [--checkcnt]; |
|
|
1623 | ((W)checks [active - 1])->active = active; |
|
|
1624 | } |
|
|
1625 | |
1531 | ev_stop (EV_A_ (W)w); |
1626 | ev_stop (EV_A_ (W)w); |
1532 | } |
1627 | } |
1533 | |
1628 | |
1534 | #ifndef SA_RESTART |
1629 | #ifndef SA_RESTART |
1535 | # define SA_RESTART 0 |
1630 | # define SA_RESTART 0 |
1536 | #endif |
1631 | #endif |
1537 | |
1632 | |
1538 | void |
1633 | void |
1539 | ev_signal_start (EV_P_ struct ev_signal *w) |
1634 | ev_signal_start (EV_P_ ev_signal *w) |
1540 | { |
1635 | { |
1541 | #if EV_MULTIPLICITY |
1636 | #if EV_MULTIPLICITY |
1542 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1637 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1543 | #endif |
1638 | #endif |
1544 | if (ev_is_active (w)) |
1639 | if (expect_false (ev_is_active (w))) |
1545 | return; |
1640 | return; |
1546 | |
1641 | |
1547 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1642 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1548 | |
1643 | |
1549 | ev_start (EV_A_ (W)w, 1); |
1644 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1563 | #endif |
1658 | #endif |
1564 | } |
1659 | } |
1565 | } |
1660 | } |
1566 | |
1661 | |
1567 | void |
1662 | void |
1568 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1663 | ev_signal_stop (EV_P_ ev_signal *w) |
1569 | { |
1664 | { |
1570 | ev_clear_pending (EV_A_ (W)w); |
1665 | ev_clear_pending (EV_A_ (W)w); |
1571 | if (!ev_is_active (w)) |
1666 | if (expect_false (!ev_is_active (w))) |
1572 | return; |
1667 | return; |
1573 | |
1668 | |
1574 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1669 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1575 | ev_stop (EV_A_ (W)w); |
1670 | ev_stop (EV_A_ (W)w); |
1576 | |
1671 | |
1577 | if (!signals [w->signum - 1].head) |
1672 | if (!signals [w->signum - 1].head) |
1578 | signal (w->signum, SIG_DFL); |
1673 | signal (w->signum, SIG_DFL); |
1579 | } |
1674 | } |
1580 | |
1675 | |
1581 | void |
1676 | void |
1582 | ev_child_start (EV_P_ struct ev_child *w) |
1677 | ev_child_start (EV_P_ ev_child *w) |
1583 | { |
1678 | { |
1584 | #if EV_MULTIPLICITY |
1679 | #if EV_MULTIPLICITY |
1585 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1680 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1586 | #endif |
1681 | #endif |
1587 | if (ev_is_active (w)) |
1682 | if (expect_false (ev_is_active (w))) |
1588 | return; |
1683 | return; |
1589 | |
1684 | |
1590 | ev_start (EV_A_ (W)w, 1); |
1685 | ev_start (EV_A_ (W)w, 1); |
1591 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1686 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1592 | } |
1687 | } |
1593 | |
1688 | |
1594 | void |
1689 | void |
1595 | ev_child_stop (EV_P_ struct ev_child *w) |
1690 | ev_child_stop (EV_P_ ev_child *w) |
1596 | { |
1691 | { |
1597 | ev_clear_pending (EV_A_ (W)w); |
1692 | ev_clear_pending (EV_A_ (W)w); |
1598 | if (!ev_is_active (w)) |
1693 | if (expect_false (!ev_is_active (w))) |
1599 | return; |
1694 | return; |
1600 | |
1695 | |
1601 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1696 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1602 | ev_stop (EV_A_ (W)w); |
1697 | ev_stop (EV_A_ (W)w); |
1603 | } |
1698 | } |
1604 | |
1699 | |
|
|
1700 | #if EV_MULTIPLICITY |
|
|
1701 | void |
|
|
1702 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
1703 | { |
|
|
1704 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1705 | } |
|
|
1706 | |
|
|
1707 | static void |
|
|
1708 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
1709 | { |
|
|
1710 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
1711 | |
|
|
1712 | if (ev_cb (w)) |
|
|
1713 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1714 | else |
|
|
1715 | ev_embed_sweep (loop, w); |
|
|
1716 | } |
|
|
1717 | |
|
|
1718 | void |
|
|
1719 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
1720 | { |
|
|
1721 | if (expect_false (ev_is_active (w))) |
|
|
1722 | return; |
|
|
1723 | |
|
|
1724 | { |
|
|
1725 | struct ev_loop *loop = w->loop; |
|
|
1726 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1727 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1728 | } |
|
|
1729 | |
|
|
1730 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
1731 | ev_io_start (EV_A_ &w->io); |
|
|
1732 | ev_start (EV_A_ (W)w, 1); |
|
|
1733 | } |
|
|
1734 | |
|
|
1735 | void |
|
|
1736 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
1737 | { |
|
|
1738 | ev_clear_pending (EV_A_ (W)w); |
|
|
1739 | if (expect_false (!ev_is_active (w))) |
|
|
1740 | return; |
|
|
1741 | |
|
|
1742 | ev_io_stop (EV_A_ &w->io); |
|
|
1743 | ev_stop (EV_A_ (W)w); |
|
|
1744 | } |
|
|
1745 | #endif |
|
|
1746 | |
1605 | /*****************************************************************************/ |
1747 | /*****************************************************************************/ |
1606 | |
1748 | |
1607 | struct ev_once |
1749 | struct ev_once |
1608 | { |
1750 | { |
1609 | struct ev_io io; |
1751 | ev_io io; |
1610 | struct ev_timer to; |
1752 | ev_timer to; |
1611 | void (*cb)(int revents, void *arg); |
1753 | void (*cb)(int revents, void *arg); |
1612 | void *arg; |
1754 | void *arg; |
1613 | }; |
1755 | }; |
1614 | |
1756 | |
1615 | static void |
1757 | static void |
… | |
… | |
1624 | |
1766 | |
1625 | cb (revents, arg); |
1767 | cb (revents, arg); |
1626 | } |
1768 | } |
1627 | |
1769 | |
1628 | static void |
1770 | static void |
1629 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
1771 | once_cb_io (EV_P_ ev_io *w, int revents) |
1630 | { |
1772 | { |
1631 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1773 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1632 | } |
1774 | } |
1633 | |
1775 | |
1634 | static void |
1776 | static void |
1635 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
1777 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1636 | { |
1778 | { |
1637 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1779 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1638 | } |
1780 | } |
1639 | |
1781 | |
1640 | void |
1782 | void |
1641 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1783 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1642 | { |
1784 | { |
1643 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1785 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1644 | |
1786 | |
1645 | if (!once) |
1787 | if (expect_false (!once)) |
|
|
1788 | { |
1646 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1789 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1647 | else |
1790 | return; |
1648 | { |
1791 | } |
|
|
1792 | |
1649 | once->cb = cb; |
1793 | once->cb = cb; |
1650 | once->arg = arg; |
1794 | once->arg = arg; |
1651 | |
1795 | |
1652 | ev_init (&once->io, once_cb_io); |
1796 | ev_init (&once->io, once_cb_io); |
1653 | if (fd >= 0) |
1797 | if (fd >= 0) |
1654 | { |
1798 | { |
1655 | ev_io_set (&once->io, fd, events); |
1799 | ev_io_set (&once->io, fd, events); |
1656 | ev_io_start (EV_A_ &once->io); |
1800 | ev_io_start (EV_A_ &once->io); |
1657 | } |
1801 | } |
1658 | |
1802 | |
1659 | ev_init (&once->to, once_cb_to); |
1803 | ev_init (&once->to, once_cb_to); |
1660 | if (timeout >= 0.) |
1804 | if (timeout >= 0.) |
1661 | { |
1805 | { |
1662 | ev_timer_set (&once->to, timeout, 0.); |
1806 | ev_timer_set (&once->to, timeout, 0.); |
1663 | ev_timer_start (EV_A_ &once->to); |
1807 | ev_timer_start (EV_A_ &once->to); |
1664 | } |
|
|
1665 | } |
1808 | } |
1666 | } |
1809 | } |
1667 | |
1810 | |
1668 | #ifdef __cplusplus |
1811 | #ifdef __cplusplus |
1669 | } |
1812 | } |