… | |
… | |
32 | #ifdef __cplusplus |
32 | #ifdef __cplusplus |
33 | extern "C" { |
33 | extern "C" { |
34 | #endif |
34 | #endif |
35 | |
35 | |
36 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
|
|
37 | # ifdef EV_CONFIG_H |
|
|
38 | # include EV_CONFIG_H |
|
|
39 | # else |
37 | # include "config.h" |
40 | # include "config.h" |
|
|
41 | # endif |
38 | |
42 | |
39 | # if HAVE_CLOCK_GETTIME |
43 | # if HAVE_CLOCK_GETTIME |
40 | # ifndef EV_USE_MONOTONIC |
44 | # ifndef EV_USE_MONOTONIC |
41 | # define EV_USE_MONOTONIC 1 |
45 | # define EV_USE_MONOTONIC 1 |
42 | # endif |
46 | # endif |
43 | # ifndef EV_USE_REALTIME |
47 | # ifndef EV_USE_REALTIME |
44 | # define EV_USE_REALTIME 1 |
48 | # define EV_USE_REALTIME 1 |
45 | # endif |
49 | # endif |
|
|
50 | # else |
|
|
51 | # ifndef EV_USE_MONOTONIC |
|
|
52 | # define EV_USE_MONOTONIC 0 |
|
|
53 | # endif |
|
|
54 | # ifndef EV_USE_REALTIME |
|
|
55 | # define EV_USE_REALTIME 0 |
|
|
56 | # endif |
46 | # endif |
57 | # endif |
47 | |
58 | |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
59 | # ifndef EV_USE_SELECT |
|
|
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
49 | # define EV_USE_SELECT 1 |
61 | # define EV_USE_SELECT 1 |
|
|
62 | # else |
|
|
63 | # define EV_USE_SELECT 0 |
|
|
64 | # endif |
50 | # endif |
65 | # endif |
51 | |
66 | |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
67 | # ifndef EV_USE_POLL |
|
|
68 | # if HAVE_POLL && HAVE_POLL_H |
53 | # define EV_USE_POLL 1 |
69 | # define EV_USE_POLL 1 |
|
|
70 | # else |
|
|
71 | # define EV_USE_POLL 0 |
|
|
72 | # endif |
54 | # endif |
73 | # endif |
55 | |
74 | |
56 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
75 | # ifndef EV_USE_EPOLL |
|
|
76 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
57 | # define EV_USE_EPOLL 1 |
77 | # define EV_USE_EPOLL 1 |
|
|
78 | # else |
|
|
79 | # define EV_USE_EPOLL 0 |
|
|
80 | # endif |
58 | # endif |
81 | # endif |
59 | |
82 | |
|
|
83 | # ifndef EV_USE_KQUEUE |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
84 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
61 | # define EV_USE_KQUEUE 1 |
85 | # define EV_USE_KQUEUE 1 |
|
|
86 | # else |
|
|
87 | # define EV_USE_KQUEUE 0 |
|
|
88 | # endif |
|
|
89 | # endif |
|
|
90 | |
|
|
91 | # ifndef EV_USE_PORT |
|
|
92 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
|
|
93 | # define EV_USE_PORT 1 |
|
|
94 | # else |
|
|
95 | # define EV_USE_PORT 0 |
|
|
96 | # endif |
62 | # endif |
97 | # endif |
63 | |
98 | |
64 | #endif |
99 | #endif |
65 | |
100 | |
66 | #include <math.h> |
101 | #include <math.h> |
… | |
… | |
90 | #endif |
125 | #endif |
91 | |
126 | |
92 | /**/ |
127 | /**/ |
93 | |
128 | |
94 | #ifndef EV_USE_MONOTONIC |
129 | #ifndef EV_USE_MONOTONIC |
95 | # define EV_USE_MONOTONIC 1 |
130 | # define EV_USE_MONOTONIC 0 |
|
|
131 | #endif |
|
|
132 | |
|
|
133 | #ifndef EV_USE_REALTIME |
|
|
134 | # define EV_USE_REALTIME 0 |
96 | #endif |
135 | #endif |
97 | |
136 | |
98 | #ifndef EV_USE_SELECT |
137 | #ifndef EV_USE_SELECT |
99 | # define EV_USE_SELECT 1 |
138 | # define EV_USE_SELECT 1 |
100 | #endif |
139 | #endif |
101 | |
140 | |
102 | #ifndef EV_USE_POLL |
141 | #ifndef EV_USE_POLL |
103 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
142 | # ifdef _WIN32 |
|
|
143 | # define EV_USE_POLL 0 |
|
|
144 | # else |
|
|
145 | # define EV_USE_POLL 1 |
|
|
146 | # endif |
104 | #endif |
147 | #endif |
105 | |
148 | |
106 | #ifndef EV_USE_EPOLL |
149 | #ifndef EV_USE_EPOLL |
107 | # define EV_USE_EPOLL 0 |
150 | # define EV_USE_EPOLL 0 |
108 | #endif |
151 | #endif |
109 | |
152 | |
110 | #ifndef EV_USE_KQUEUE |
153 | #ifndef EV_USE_KQUEUE |
111 | # define EV_USE_KQUEUE 0 |
154 | # define EV_USE_KQUEUE 0 |
112 | #endif |
155 | #endif |
113 | |
156 | |
114 | #ifndef EV_USE_REALTIME |
157 | #ifndef EV_USE_PORT |
115 | # define EV_USE_REALTIME 1 |
158 | # define EV_USE_PORT 0 |
116 | #endif |
159 | #endif |
117 | |
160 | |
118 | /**/ |
161 | /**/ |
119 | |
162 | |
120 | #ifndef CLOCK_MONOTONIC |
163 | #ifndef CLOCK_MONOTONIC |
… | |
… | |
132 | #endif |
175 | #endif |
133 | |
176 | |
134 | /**/ |
177 | /**/ |
135 | |
178 | |
136 | #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) */ |
137 | #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) */ |
138 | #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 */ |
139 | /*#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 */ |
140 | |
183 | |
141 | #ifdef EV_H |
184 | #ifdef EV_H |
142 | # include EV_H |
185 | # include EV_H |
143 | #else |
186 | #else |
144 | # include "ev.h" |
187 | # include "ev.h" |
145 | #endif |
188 | #endif |
146 | |
189 | |
147 | #if __GNUC__ >= 3 |
190 | #if __GNUC__ >= 3 |
148 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
149 | # define inline inline |
192 | # define inline static inline |
150 | #else |
193 | #else |
151 | # define expect(expr,value) (expr) |
194 | # define expect(expr,value) (expr) |
152 | # define inline static |
195 | # define inline static |
153 | #endif |
196 | #endif |
154 | |
197 | |
… | |
… | |
156 | #define expect_true(expr) expect ((expr) != 0, 1) |
199 | #define expect_true(expr) expect ((expr) != 0, 1) |
157 | |
200 | |
158 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
201 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
159 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
160 | |
203 | |
161 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
205 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
162 | |
206 | |
163 | typedef struct ev_watcher *W; |
207 | typedef struct ev_watcher *W; |
164 | typedef struct ev_watcher_list *WL; |
208 | typedef struct ev_watcher_list *WL; |
165 | typedef struct ev_watcher_time *WT; |
209 | typedef struct ev_watcher_time *WT; |
166 | |
210 | |
… | |
… | |
246 | #include "ev_vars.h" |
290 | #include "ev_vars.h" |
247 | #undef VAR |
291 | #undef VAR |
248 | }; |
292 | }; |
249 | #include "ev_wrap.h" |
293 | #include "ev_wrap.h" |
250 | |
294 | |
251 | struct ev_loop default_loop_struct; |
295 | static struct ev_loop default_loop_struct; |
252 | static struct ev_loop *default_loop; |
296 | struct ev_loop *ev_default_loop_ptr; |
253 | |
297 | |
254 | #else |
298 | #else |
255 | |
299 | |
256 | ev_tstamp ev_rt_now; |
300 | ev_tstamp ev_rt_now; |
257 | #define VAR(name,decl) static decl; |
301 | #define VAR(name,decl) static decl; |
258 | #include "ev_vars.h" |
302 | #include "ev_vars.h" |
259 | #undef VAR |
303 | #undef VAR |
260 | |
304 | |
261 | static int default_loop; |
305 | static int ev_default_loop_ptr; |
262 | |
306 | |
263 | #endif |
307 | #endif |
264 | |
308 | |
265 | /*****************************************************************************/ |
309 | /*****************************************************************************/ |
266 | |
310 | |
… | |
… | |
299 | { |
343 | { |
300 | return ev_rt_now; |
344 | return ev_rt_now; |
301 | } |
345 | } |
302 | #endif |
346 | #endif |
303 | |
347 | |
304 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
348 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
305 | |
349 | |
306 | #define array_needsize(type,base,cur,cnt,init) \ |
350 | #define array_needsize(type,base,cur,cnt,init) \ |
307 | if (expect_false ((cnt) > cur)) \ |
351 | if (expect_false ((cnt) > cur)) \ |
308 | { \ |
352 | { \ |
309 | int newcnt = cur; \ |
353 | int newcnt = cur; \ |
… | |
… | |
347 | void |
391 | void |
348 | ev_feed_event (EV_P_ void *w, int revents) |
392 | ev_feed_event (EV_P_ void *w, int revents) |
349 | { |
393 | { |
350 | W w_ = (W)w; |
394 | W w_ = (W)w; |
351 | |
395 | |
352 | if (w_->pending) |
396 | if (expect_false (w_->pending)) |
353 | { |
397 | { |
354 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
398 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
355 | return; |
399 | return; |
356 | } |
400 | } |
357 | |
401 | |
|
|
402 | if (expect_false (!w_->cb)) |
|
|
403 | return; |
|
|
404 | |
358 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
405 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
359 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
406 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
360 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
407 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
361 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
408 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
362 | } |
409 | } |
363 | |
410 | |
364 | static void |
411 | static void |
… | |
… | |
391 | fd_event (EV_A_ fd, revents); |
438 | fd_event (EV_A_ fd, revents); |
392 | } |
439 | } |
393 | |
440 | |
394 | /*****************************************************************************/ |
441 | /*****************************************************************************/ |
395 | |
442 | |
396 | static void |
443 | inline void |
397 | fd_reify (EV_P) |
444 | fd_reify (EV_P) |
398 | { |
445 | { |
399 | int i; |
446 | int i; |
400 | |
447 | |
401 | for (i = 0; i < fdchangecnt; ++i) |
448 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
418 | } |
465 | } |
419 | #endif |
466 | #endif |
420 | |
467 | |
421 | anfd->reify = 0; |
468 | anfd->reify = 0; |
422 | |
469 | |
423 | method_modify (EV_A_ fd, anfd->events, events); |
470 | backend_modify (EV_A_ fd, anfd->events, events); |
424 | anfd->events = events; |
471 | anfd->events = events; |
425 | } |
472 | } |
426 | |
473 | |
427 | fdchangecnt = 0; |
474 | fdchangecnt = 0; |
428 | } |
475 | } |
429 | |
476 | |
430 | static void |
477 | static void |
431 | fd_change (EV_P_ int fd) |
478 | fd_change (EV_P_ int fd) |
432 | { |
479 | { |
433 | if (anfds [fd].reify) |
480 | if (expect_false (anfds [fd].reify)) |
434 | return; |
481 | return; |
435 | |
482 | |
436 | anfds [fd].reify = 1; |
483 | anfds [fd].reify = 1; |
437 | |
484 | |
438 | ++fdchangecnt; |
485 | ++fdchangecnt; |
439 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
486 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
440 | fdchanges [fdchangecnt - 1] = fd; |
487 | fdchanges [fdchangecnt - 1] = fd; |
441 | } |
488 | } |
442 | |
489 | |
443 | static void |
490 | static void |
444 | fd_kill (EV_P_ int fd) |
491 | fd_kill (EV_P_ int fd) |
… | |
… | |
450 | ev_io_stop (EV_A_ w); |
497 | ev_io_stop (EV_A_ w); |
451 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
498 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
452 | } |
499 | } |
453 | } |
500 | } |
454 | |
501 | |
455 | static int |
502 | inline int |
456 | fd_valid (int fd) |
503 | fd_valid (int fd) |
457 | { |
504 | { |
458 | #ifdef _WIN32 |
505 | #ifdef _WIN32 |
459 | return _get_osfhandle (fd) != -1; |
506 | return _get_osfhandle (fd) != -1; |
460 | #else |
507 | #else |
… | |
… | |
486 | fd_kill (EV_A_ fd); |
533 | fd_kill (EV_A_ fd); |
487 | return; |
534 | return; |
488 | } |
535 | } |
489 | } |
536 | } |
490 | |
537 | |
491 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
538 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
492 | static void |
539 | static void |
493 | fd_rearm_all (EV_P) |
540 | fd_rearm_all (EV_P) |
494 | { |
541 | { |
495 | int fd; |
542 | int fd; |
496 | |
543 | |
… | |
… | |
602 | ev_feed_signal_event (EV_P_ int signum) |
649 | ev_feed_signal_event (EV_P_ int signum) |
603 | { |
650 | { |
604 | WL w; |
651 | WL w; |
605 | |
652 | |
606 | #if EV_MULTIPLICITY |
653 | #if EV_MULTIPLICITY |
607 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
654 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
608 | #endif |
655 | #endif |
609 | |
656 | |
610 | --signum; |
657 | --signum; |
611 | |
658 | |
612 | if (signum < 0 || signum >= signalmax) |
659 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
629 | for (signum = signalmax; signum--; ) |
676 | for (signum = signalmax; signum--; ) |
630 | if (signals [signum].gotsig) |
677 | if (signals [signum].gotsig) |
631 | ev_feed_signal_event (EV_A_ signum + 1); |
678 | ev_feed_signal_event (EV_A_ signum + 1); |
632 | } |
679 | } |
633 | |
680 | |
634 | inline void |
681 | static void |
635 | fd_intern (int fd) |
682 | fd_intern (int fd) |
636 | { |
683 | { |
637 | #ifdef _WIN32 |
684 | #ifdef _WIN32 |
638 | int arg = 1; |
685 | int arg = 1; |
639 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
686 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
687 | int pid, status; |
734 | int pid, status; |
688 | |
735 | |
689 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
736 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
690 | { |
737 | { |
691 | /* make sure we are called again until all childs have been reaped */ |
738 | /* make sure we are called again until all childs have been reaped */ |
|
|
739 | /* we need to do it this way so that the callback gets called before we continue */ |
692 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
740 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
693 | |
741 | |
694 | child_reap (EV_A_ sw, pid, pid, status); |
742 | child_reap (EV_A_ sw, pid, pid, status); |
695 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
743 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
696 | } |
744 | } |
697 | } |
745 | } |
698 | |
746 | |
699 | #endif |
747 | #endif |
700 | |
748 | |
701 | /*****************************************************************************/ |
749 | /*****************************************************************************/ |
702 | |
750 | |
|
|
751 | #if EV_USE_PORT |
|
|
752 | # include "ev_port.c" |
|
|
753 | #endif |
703 | #if EV_USE_KQUEUE |
754 | #if EV_USE_KQUEUE |
704 | # include "ev_kqueue.c" |
755 | # include "ev_kqueue.c" |
705 | #endif |
756 | #endif |
706 | #if EV_USE_EPOLL |
757 | #if EV_USE_EPOLL |
707 | # include "ev_epoll.c" |
758 | # include "ev_epoll.c" |
… | |
… | |
735 | return getuid () != geteuid () |
786 | return getuid () != geteuid () |
736 | || getgid () != getegid (); |
787 | || getgid () != getegid (); |
737 | #endif |
788 | #endif |
738 | } |
789 | } |
739 | |
790 | |
740 | int |
791 | unsigned int |
741 | ev_method (EV_P) |
792 | ev_supported_backends (void) |
742 | { |
793 | { |
743 | return method; |
794 | unsigned int flags = 0; |
744 | } |
|
|
745 | |
795 | |
746 | static void |
796 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
747 | loop_init (EV_P_ int methods) |
797 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
798 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
799 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
800 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
801 | |
|
|
802 | return flags; |
|
|
803 | } |
|
|
804 | |
|
|
805 | unsigned int |
|
|
806 | ev_recommended_backends (void) |
748 | { |
807 | { |
749 | if (!method) |
808 | unsigned int flags = ev_supported_backends (); |
|
|
809 | |
|
|
810 | #ifndef __NetBSD__ |
|
|
811 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
812 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
813 | flags &= ~EVBACKEND_KQUEUE; |
|
|
814 | #endif |
|
|
815 | #ifdef __APPLE__ |
|
|
816 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
817 | flags &= ~EVBACKEND_POLL; |
|
|
818 | #endif |
|
|
819 | |
|
|
820 | return flags; |
|
|
821 | } |
|
|
822 | |
|
|
823 | unsigned int |
|
|
824 | ev_embeddable_backends (void) |
|
|
825 | { |
|
|
826 | return EVBACKEND_EPOLL |
|
|
827 | | EVBACKEND_KQUEUE |
|
|
828 | | EVBACKEND_PORT; |
|
|
829 | } |
|
|
830 | |
|
|
831 | unsigned int |
|
|
832 | ev_backend (EV_P) |
|
|
833 | { |
|
|
834 | return backend; |
|
|
835 | } |
|
|
836 | |
|
|
837 | static void |
|
|
838 | loop_init (EV_P_ unsigned int flags) |
|
|
839 | { |
|
|
840 | if (!backend) |
750 | { |
841 | { |
751 | #if EV_USE_MONOTONIC |
842 | #if EV_USE_MONOTONIC |
752 | { |
843 | { |
753 | struct timespec ts; |
844 | struct timespec ts; |
754 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
845 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
759 | ev_rt_now = ev_time (); |
850 | ev_rt_now = ev_time (); |
760 | mn_now = get_clock (); |
851 | mn_now = get_clock (); |
761 | now_floor = mn_now; |
852 | now_floor = mn_now; |
762 | rtmn_diff = ev_rt_now - mn_now; |
853 | rtmn_diff = ev_rt_now - mn_now; |
763 | |
854 | |
764 | if (methods == EVMETHOD_AUTO) |
855 | if (!(flags & EVFLAG_NOENV) |
765 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
856 | && !enable_secure () |
|
|
857 | && getenv ("LIBEV_FLAGS")) |
766 | methods = atoi (getenv ("LIBEV_METHODS")); |
858 | flags = atoi (getenv ("LIBEV_FLAGS")); |
767 | else |
|
|
768 | methods = EVMETHOD_ANY; |
|
|
769 | |
859 | |
770 | method = 0; |
860 | if (!(flags & 0x0000ffffUL)) |
|
|
861 | flags |= ev_recommended_backends (); |
|
|
862 | |
|
|
863 | backend = 0; |
|
|
864 | #if EV_USE_PORT |
|
|
865 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
|
|
866 | #endif |
771 | #if EV_USE_KQUEUE |
867 | #if EV_USE_KQUEUE |
772 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
868 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
773 | #endif |
869 | #endif |
774 | #if EV_USE_EPOLL |
870 | #if EV_USE_EPOLL |
775 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
871 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
776 | #endif |
872 | #endif |
777 | #if EV_USE_POLL |
873 | #if EV_USE_POLL |
778 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
874 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
779 | #endif |
875 | #endif |
780 | #if EV_USE_SELECT |
876 | #if EV_USE_SELECT |
781 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
877 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
782 | #endif |
878 | #endif |
783 | |
879 | |
784 | ev_init (&sigev, sigcb); |
880 | ev_init (&sigev, sigcb); |
785 | ev_set_priority (&sigev, EV_MAXPRI); |
881 | ev_set_priority (&sigev, EV_MAXPRI); |
786 | } |
882 | } |
787 | } |
883 | } |
788 | |
884 | |
789 | void |
885 | static void |
790 | loop_destroy (EV_P) |
886 | loop_destroy (EV_P) |
791 | { |
887 | { |
792 | int i; |
888 | int i; |
793 | |
889 | |
|
|
890 | #if EV_USE_PORT |
|
|
891 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
|
|
892 | #endif |
794 | #if EV_USE_KQUEUE |
893 | #if EV_USE_KQUEUE |
795 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
894 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
796 | #endif |
895 | #endif |
797 | #if EV_USE_EPOLL |
896 | #if EV_USE_EPOLL |
798 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
897 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
799 | #endif |
898 | #endif |
800 | #if EV_USE_POLL |
899 | #if EV_USE_POLL |
801 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
900 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
802 | #endif |
901 | #endif |
803 | #if EV_USE_SELECT |
902 | #if EV_USE_SELECT |
804 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
903 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
805 | #endif |
904 | #endif |
806 | |
905 | |
807 | for (i = NUMPRI; i--; ) |
906 | for (i = NUMPRI; i--; ) |
808 | array_free (pending, [i]); |
907 | array_free (pending, [i]); |
809 | |
908 | |
810 | /* have to use the microsoft-never-gets-it-right macro */ |
909 | /* have to use the microsoft-never-gets-it-right macro */ |
811 | array_free (fdchange, EMPTY); |
910 | array_free (fdchange, EMPTY0); |
812 | array_free (timer, EMPTY); |
911 | array_free (timer, EMPTY0); |
813 | #if EV_PERIODICS |
912 | #if EV_PERIODICS |
814 | array_free (periodic, EMPTY); |
913 | array_free (periodic, EMPTY0); |
815 | #endif |
914 | #endif |
816 | array_free (idle, EMPTY); |
915 | array_free (idle, EMPTY0); |
817 | array_free (prepare, EMPTY); |
916 | array_free (prepare, EMPTY0); |
818 | array_free (check, EMPTY); |
917 | array_free (check, EMPTY0); |
819 | |
918 | |
820 | method = 0; |
919 | backend = 0; |
821 | } |
920 | } |
822 | |
921 | |
823 | static void |
922 | static void |
824 | loop_fork (EV_P) |
923 | loop_fork (EV_P) |
825 | { |
924 | { |
|
|
925 | #if EV_USE_PORT |
|
|
926 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
927 | #endif |
|
|
928 | #if EV_USE_KQUEUE |
|
|
929 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
930 | #endif |
826 | #if EV_USE_EPOLL |
931 | #if EV_USE_EPOLL |
827 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
932 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
828 | #endif |
|
|
829 | #if EV_USE_KQUEUE |
|
|
830 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
831 | #endif |
933 | #endif |
832 | |
934 | |
833 | if (ev_is_active (&sigev)) |
935 | if (ev_is_active (&sigev)) |
834 | { |
936 | { |
835 | /* default loop */ |
937 | /* default loop */ |
… | |
… | |
848 | postfork = 0; |
950 | postfork = 0; |
849 | } |
951 | } |
850 | |
952 | |
851 | #if EV_MULTIPLICITY |
953 | #if EV_MULTIPLICITY |
852 | struct ev_loop * |
954 | struct ev_loop * |
853 | ev_loop_new (int methods) |
955 | ev_loop_new (unsigned int flags) |
854 | { |
956 | { |
855 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
957 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
856 | |
958 | |
857 | memset (loop, 0, sizeof (struct ev_loop)); |
959 | memset (loop, 0, sizeof (struct ev_loop)); |
858 | |
960 | |
859 | loop_init (EV_A_ methods); |
961 | loop_init (EV_A_ flags); |
860 | |
962 | |
861 | if (ev_method (EV_A)) |
963 | if (ev_backend (EV_A)) |
862 | return loop; |
964 | return loop; |
863 | |
965 | |
864 | return 0; |
966 | return 0; |
865 | } |
967 | } |
866 | |
968 | |
… | |
… | |
879 | |
981 | |
880 | #endif |
982 | #endif |
881 | |
983 | |
882 | #if EV_MULTIPLICITY |
984 | #if EV_MULTIPLICITY |
883 | struct ev_loop * |
985 | struct ev_loop * |
|
|
986 | ev_default_loop_init (unsigned int flags) |
884 | #else |
987 | #else |
885 | int |
988 | int |
|
|
989 | ev_default_loop (unsigned int flags) |
886 | #endif |
990 | #endif |
887 | ev_default_loop (int methods) |
|
|
888 | { |
991 | { |
889 | if (sigpipe [0] == sigpipe [1]) |
992 | if (sigpipe [0] == sigpipe [1]) |
890 | if (pipe (sigpipe)) |
993 | if (pipe (sigpipe)) |
891 | return 0; |
994 | return 0; |
892 | |
995 | |
893 | if (!default_loop) |
996 | if (!ev_default_loop_ptr) |
894 | { |
997 | { |
895 | #if EV_MULTIPLICITY |
998 | #if EV_MULTIPLICITY |
896 | struct ev_loop *loop = default_loop = &default_loop_struct; |
999 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
897 | #else |
1000 | #else |
898 | default_loop = 1; |
1001 | ev_default_loop_ptr = 1; |
899 | #endif |
1002 | #endif |
900 | |
1003 | |
901 | loop_init (EV_A_ methods); |
1004 | loop_init (EV_A_ flags); |
902 | |
1005 | |
903 | if (ev_method (EV_A)) |
1006 | if (ev_backend (EV_A)) |
904 | { |
1007 | { |
905 | siginit (EV_A); |
1008 | siginit (EV_A); |
906 | |
1009 | |
907 | #ifndef _WIN32 |
1010 | #ifndef _WIN32 |
908 | ev_signal_init (&childev, childcb, SIGCHLD); |
1011 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
910 | ev_signal_start (EV_A_ &childev); |
1013 | ev_signal_start (EV_A_ &childev); |
911 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1014 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
912 | #endif |
1015 | #endif |
913 | } |
1016 | } |
914 | else |
1017 | else |
915 | default_loop = 0; |
1018 | ev_default_loop_ptr = 0; |
916 | } |
1019 | } |
917 | |
1020 | |
918 | return default_loop; |
1021 | return ev_default_loop_ptr; |
919 | } |
1022 | } |
920 | |
1023 | |
921 | void |
1024 | void |
922 | ev_default_destroy (void) |
1025 | ev_default_destroy (void) |
923 | { |
1026 | { |
924 | #if EV_MULTIPLICITY |
1027 | #if EV_MULTIPLICITY |
925 | struct ev_loop *loop = default_loop; |
1028 | struct ev_loop *loop = ev_default_loop_ptr; |
926 | #endif |
1029 | #endif |
927 | |
1030 | |
928 | #ifndef _WIN32 |
1031 | #ifndef _WIN32 |
929 | ev_ref (EV_A); /* child watcher */ |
1032 | ev_ref (EV_A); /* child watcher */ |
930 | ev_signal_stop (EV_A_ &childev); |
1033 | ev_signal_stop (EV_A_ &childev); |
… | |
… | |
941 | |
1044 | |
942 | void |
1045 | void |
943 | ev_default_fork (void) |
1046 | ev_default_fork (void) |
944 | { |
1047 | { |
945 | #if EV_MULTIPLICITY |
1048 | #if EV_MULTIPLICITY |
946 | struct ev_loop *loop = default_loop; |
1049 | struct ev_loop *loop = ev_default_loop_ptr; |
947 | #endif |
1050 | #endif |
948 | |
1051 | |
949 | if (method) |
1052 | if (backend) |
950 | postfork = 1; |
1053 | postfork = 1; |
951 | } |
1054 | } |
952 | |
1055 | |
953 | /*****************************************************************************/ |
1056 | /*****************************************************************************/ |
954 | |
1057 | |
… | |
… | |
962 | return 1; |
1065 | return 1; |
963 | |
1066 | |
964 | return 0; |
1067 | return 0; |
965 | } |
1068 | } |
966 | |
1069 | |
967 | static void |
1070 | inline void |
968 | call_pending (EV_P) |
1071 | call_pending (EV_P) |
969 | { |
1072 | { |
970 | int pri; |
1073 | int pri; |
971 | |
1074 | |
972 | for (pri = NUMPRI; pri--; ) |
1075 | for (pri = NUMPRI; pri--; ) |
973 | while (pendingcnt [pri]) |
1076 | while (pendingcnt [pri]) |
974 | { |
1077 | { |
975 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1078 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
976 | |
1079 | |
977 | if (p->w) |
1080 | if (expect_true (p->w)) |
978 | { |
1081 | { |
979 | p->w->pending = 0; |
1082 | p->w->pending = 0; |
980 | EV_CB_INVOKE (p->w, p->events); |
1083 | EV_CB_INVOKE (p->w, p->events); |
981 | } |
1084 | } |
982 | } |
1085 | } |
983 | } |
1086 | } |
984 | |
1087 | |
985 | static void |
1088 | inline void |
986 | timers_reify (EV_P) |
1089 | timers_reify (EV_P) |
987 | { |
1090 | { |
988 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1091 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
989 | { |
1092 | { |
990 | struct ev_timer *w = timers [0]; |
1093 | struct ev_timer *w = timers [0]; |
… | |
… | |
1008 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1111 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1009 | } |
1112 | } |
1010 | } |
1113 | } |
1011 | |
1114 | |
1012 | #if EV_PERIODICS |
1115 | #if EV_PERIODICS |
1013 | static void |
1116 | inline void |
1014 | periodics_reify (EV_P) |
1117 | periodics_reify (EV_P) |
1015 | { |
1118 | { |
1016 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1119 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1017 | { |
1120 | { |
1018 | struct ev_periodic *w = periodics [0]; |
1121 | struct ev_periodic *w = periodics [0]; |
… | |
… | |
1020 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1123 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1021 | |
1124 | |
1022 | /* first reschedule or stop timer */ |
1125 | /* first reschedule or stop timer */ |
1023 | if (w->reschedule_cb) |
1126 | if (w->reschedule_cb) |
1024 | { |
1127 | { |
1025 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1128 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1026 | |
|
|
1027 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1129 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1028 | downheap ((WT *)periodics, periodiccnt, 0); |
1130 | downheap ((WT *)periodics, periodiccnt, 0); |
1029 | } |
1131 | } |
1030 | else if (w->interval) |
1132 | else if (w->interval) |
1031 | { |
1133 | { |
… | |
… | |
1078 | ev_rt_now = ev_time (); |
1180 | ev_rt_now = ev_time (); |
1079 | return 1; |
1181 | return 1; |
1080 | } |
1182 | } |
1081 | } |
1183 | } |
1082 | |
1184 | |
1083 | static void |
1185 | inline void |
1084 | time_update (EV_P) |
1186 | time_update (EV_P) |
1085 | { |
1187 | { |
1086 | int i; |
1188 | int i; |
1087 | |
1189 | |
1088 | #if EV_USE_MONOTONIC |
1190 | #if EV_USE_MONOTONIC |
… | |
… | |
1149 | ev_loop (EV_P_ int flags) |
1251 | ev_loop (EV_P_ int flags) |
1150 | { |
1252 | { |
1151 | double block; |
1253 | double block; |
1152 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1254 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1153 | |
1255 | |
1154 | do |
1256 | while (activecnt) |
1155 | { |
1257 | { |
1156 | /* queue check watchers (and execute them) */ |
1258 | /* queue check watchers (and execute them) */ |
1157 | if (expect_false (preparecnt)) |
1259 | if (expect_false (preparecnt)) |
1158 | { |
1260 | { |
1159 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1261 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1187 | { |
1289 | { |
1188 | block = MAX_BLOCKTIME; |
1290 | block = MAX_BLOCKTIME; |
1189 | |
1291 | |
1190 | if (timercnt) |
1292 | if (timercnt) |
1191 | { |
1293 | { |
1192 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1294 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1193 | if (block > to) block = to; |
1295 | if (block > to) block = to; |
1194 | } |
1296 | } |
1195 | |
1297 | |
1196 | #if EV_PERIODICS |
1298 | #if EV_PERIODICS |
1197 | if (periodiccnt) |
1299 | if (periodiccnt) |
1198 | { |
1300 | { |
1199 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1301 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1200 | if (block > to) block = to; |
1302 | if (block > to) block = to; |
1201 | } |
1303 | } |
1202 | #endif |
1304 | #endif |
1203 | |
1305 | |
1204 | if (block < 0.) block = 0.; |
1306 | if (expect_false (block < 0.)) block = 0.; |
1205 | } |
1307 | } |
1206 | |
1308 | |
1207 | method_poll (EV_A_ block); |
1309 | backend_poll (EV_A_ block); |
1208 | |
1310 | |
1209 | /* update ev_rt_now, do magic */ |
1311 | /* update ev_rt_now, do magic */ |
1210 | time_update (EV_A); |
1312 | time_update (EV_A); |
1211 | |
1313 | |
1212 | /* queue pending timers and reschedule them */ |
1314 | /* queue pending timers and reschedule them */ |
… | |
… | |
1218 | /* queue idle watchers unless io or timers are pending */ |
1320 | /* queue idle watchers unless io or timers are pending */ |
1219 | if (idlecnt && !any_pending (EV_A)) |
1321 | if (idlecnt && !any_pending (EV_A)) |
1220 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1322 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1221 | |
1323 | |
1222 | /* queue check watchers, to be executed first */ |
1324 | /* queue check watchers, to be executed first */ |
1223 | if (checkcnt) |
1325 | if (expect_false (checkcnt)) |
1224 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1326 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1225 | |
1327 | |
1226 | call_pending (EV_A); |
1328 | call_pending (EV_A); |
|
|
1329 | |
|
|
1330 | if (expect_false (loop_done)) |
|
|
1331 | break; |
1227 | } |
1332 | } |
1228 | while (activecnt && !loop_done); |
|
|
1229 | |
1333 | |
1230 | if (loop_done != 2) |
1334 | if (loop_done != 2) |
1231 | loop_done = 0; |
1335 | loop_done = 0; |
1232 | } |
1336 | } |
1233 | |
1337 | |
… | |
… | |
1293 | void |
1397 | void |
1294 | ev_io_start (EV_P_ struct ev_io *w) |
1398 | ev_io_start (EV_P_ struct ev_io *w) |
1295 | { |
1399 | { |
1296 | int fd = w->fd; |
1400 | int fd = w->fd; |
1297 | |
1401 | |
1298 | if (ev_is_active (w)) |
1402 | if (expect_false (ev_is_active (w))) |
1299 | return; |
1403 | return; |
1300 | |
1404 | |
1301 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1405 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1302 | |
1406 | |
1303 | ev_start (EV_A_ (W)w, 1); |
1407 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1309 | |
1413 | |
1310 | void |
1414 | void |
1311 | ev_io_stop (EV_P_ struct ev_io *w) |
1415 | ev_io_stop (EV_P_ struct ev_io *w) |
1312 | { |
1416 | { |
1313 | ev_clear_pending (EV_A_ (W)w); |
1417 | ev_clear_pending (EV_A_ (W)w); |
1314 | if (!ev_is_active (w)) |
1418 | if (expect_false (!ev_is_active (w))) |
1315 | return; |
1419 | return; |
1316 | |
1420 | |
1317 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1421 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1318 | |
1422 | |
1319 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1423 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
… | |
… | |
1323 | } |
1427 | } |
1324 | |
1428 | |
1325 | void |
1429 | void |
1326 | ev_timer_start (EV_P_ struct ev_timer *w) |
1430 | ev_timer_start (EV_P_ struct ev_timer *w) |
1327 | { |
1431 | { |
1328 | if (ev_is_active (w)) |
1432 | if (expect_false (ev_is_active (w))) |
1329 | return; |
1433 | return; |
1330 | |
1434 | |
1331 | ((WT)w)->at += mn_now; |
1435 | ((WT)w)->at += mn_now; |
1332 | |
1436 | |
1333 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1437 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1334 | |
1438 | |
1335 | ev_start (EV_A_ (W)w, ++timercnt); |
1439 | ev_start (EV_A_ (W)w, ++timercnt); |
1336 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1440 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1337 | timers [timercnt - 1] = w; |
1441 | timers [timercnt - 1] = w; |
1338 | upheap ((WT *)timers, timercnt - 1); |
1442 | upheap ((WT *)timers, timercnt - 1); |
1339 | |
1443 | |
1340 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1444 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1341 | } |
1445 | } |
1342 | |
1446 | |
1343 | void |
1447 | void |
1344 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1448 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1345 | { |
1449 | { |
1346 | ev_clear_pending (EV_A_ (W)w); |
1450 | ev_clear_pending (EV_A_ (W)w); |
1347 | if (!ev_is_active (w)) |
1451 | if (expect_false (!ev_is_active (w))) |
1348 | return; |
1452 | return; |
1349 | |
1453 | |
1350 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1454 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1351 | |
1455 | |
1352 | if (((W)w)->active < timercnt--) |
1456 | if (expect_true (((W)w)->active < timercnt--)) |
1353 | { |
1457 | { |
1354 | timers [((W)w)->active - 1] = timers [timercnt]; |
1458 | timers [((W)w)->active - 1] = timers [timercnt]; |
1355 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1459 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1356 | } |
1460 | } |
1357 | |
1461 | |
… | |
… | |
1372 | } |
1476 | } |
1373 | else |
1477 | else |
1374 | ev_timer_stop (EV_A_ w); |
1478 | ev_timer_stop (EV_A_ w); |
1375 | } |
1479 | } |
1376 | else if (w->repeat) |
1480 | else if (w->repeat) |
|
|
1481 | { |
|
|
1482 | w->at = w->repeat; |
1377 | ev_timer_start (EV_A_ w); |
1483 | ev_timer_start (EV_A_ w); |
|
|
1484 | } |
1378 | } |
1485 | } |
1379 | |
1486 | |
1380 | #if EV_PERIODICS |
1487 | #if EV_PERIODICS |
1381 | void |
1488 | void |
1382 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1489 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1383 | { |
1490 | { |
1384 | if (ev_is_active (w)) |
1491 | if (expect_false (ev_is_active (w))) |
1385 | return; |
1492 | return; |
1386 | |
1493 | |
1387 | if (w->reschedule_cb) |
1494 | if (w->reschedule_cb) |
1388 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1495 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1389 | else if (w->interval) |
1496 | else if (w->interval) |
… | |
… | |
1392 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1499 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1393 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1500 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1394 | } |
1501 | } |
1395 | |
1502 | |
1396 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1503 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1397 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1504 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1398 | periodics [periodiccnt - 1] = w; |
1505 | periodics [periodiccnt - 1] = w; |
1399 | upheap ((WT *)periodics, periodiccnt - 1); |
1506 | upheap ((WT *)periodics, periodiccnt - 1); |
1400 | |
1507 | |
1401 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1508 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1402 | } |
1509 | } |
1403 | |
1510 | |
1404 | void |
1511 | void |
1405 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1512 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1406 | { |
1513 | { |
1407 | ev_clear_pending (EV_A_ (W)w); |
1514 | ev_clear_pending (EV_A_ (W)w); |
1408 | if (!ev_is_active (w)) |
1515 | if (expect_false (!ev_is_active (w))) |
1409 | return; |
1516 | return; |
1410 | |
1517 | |
1411 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1518 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1412 | |
1519 | |
1413 | if (((W)w)->active < periodiccnt--) |
1520 | if (expect_true (((W)w)->active < periodiccnt--)) |
1414 | { |
1521 | { |
1415 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1522 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1416 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1523 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1417 | } |
1524 | } |
1418 | |
1525 | |
… | |
… | |
1429 | #endif |
1536 | #endif |
1430 | |
1537 | |
1431 | void |
1538 | void |
1432 | ev_idle_start (EV_P_ struct ev_idle *w) |
1539 | ev_idle_start (EV_P_ struct ev_idle *w) |
1433 | { |
1540 | { |
1434 | if (ev_is_active (w)) |
1541 | if (expect_false (ev_is_active (w))) |
1435 | return; |
1542 | return; |
1436 | |
1543 | |
1437 | ev_start (EV_A_ (W)w, ++idlecnt); |
1544 | ev_start (EV_A_ (W)w, ++idlecnt); |
1438 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1545 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1439 | idles [idlecnt - 1] = w; |
1546 | idles [idlecnt - 1] = w; |
1440 | } |
1547 | } |
1441 | |
1548 | |
1442 | void |
1549 | void |
1443 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1550 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1444 | { |
1551 | { |
1445 | ev_clear_pending (EV_A_ (W)w); |
1552 | ev_clear_pending (EV_A_ (W)w); |
1446 | if (!ev_is_active (w)) |
1553 | if (expect_false (!ev_is_active (w))) |
1447 | return; |
1554 | return; |
1448 | |
1555 | |
1449 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1556 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1450 | ev_stop (EV_A_ (W)w); |
1557 | ev_stop (EV_A_ (W)w); |
1451 | } |
1558 | } |
1452 | |
1559 | |
1453 | void |
1560 | void |
1454 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1561 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1455 | { |
1562 | { |
1456 | if (ev_is_active (w)) |
1563 | if (expect_false (ev_is_active (w))) |
1457 | return; |
1564 | return; |
1458 | |
1565 | |
1459 | ev_start (EV_A_ (W)w, ++preparecnt); |
1566 | ev_start (EV_A_ (W)w, ++preparecnt); |
1460 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1567 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1461 | prepares [preparecnt - 1] = w; |
1568 | prepares [preparecnt - 1] = w; |
1462 | } |
1569 | } |
1463 | |
1570 | |
1464 | void |
1571 | void |
1465 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1572 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1466 | { |
1573 | { |
1467 | ev_clear_pending (EV_A_ (W)w); |
1574 | ev_clear_pending (EV_A_ (W)w); |
1468 | if (!ev_is_active (w)) |
1575 | if (expect_false (!ev_is_active (w))) |
1469 | return; |
1576 | return; |
1470 | |
1577 | |
1471 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1578 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1472 | ev_stop (EV_A_ (W)w); |
1579 | ev_stop (EV_A_ (W)w); |
1473 | } |
1580 | } |
1474 | |
1581 | |
1475 | void |
1582 | void |
1476 | ev_check_start (EV_P_ struct ev_check *w) |
1583 | ev_check_start (EV_P_ struct ev_check *w) |
1477 | { |
1584 | { |
1478 | if (ev_is_active (w)) |
1585 | if (expect_false (ev_is_active (w))) |
1479 | return; |
1586 | return; |
1480 | |
1587 | |
1481 | ev_start (EV_A_ (W)w, ++checkcnt); |
1588 | ev_start (EV_A_ (W)w, ++checkcnt); |
1482 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1589 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1483 | checks [checkcnt - 1] = w; |
1590 | checks [checkcnt - 1] = w; |
1484 | } |
1591 | } |
1485 | |
1592 | |
1486 | void |
1593 | void |
1487 | ev_check_stop (EV_P_ struct ev_check *w) |
1594 | ev_check_stop (EV_P_ struct ev_check *w) |
1488 | { |
1595 | { |
1489 | ev_clear_pending (EV_A_ (W)w); |
1596 | ev_clear_pending (EV_A_ (W)w); |
1490 | if (!ev_is_active (w)) |
1597 | if (expect_false (!ev_is_active (w))) |
1491 | return; |
1598 | return; |
1492 | |
1599 | |
1493 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1600 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1494 | ev_stop (EV_A_ (W)w); |
1601 | ev_stop (EV_A_ (W)w); |
1495 | } |
1602 | } |
… | |
… | |
1500 | |
1607 | |
1501 | void |
1608 | void |
1502 | ev_signal_start (EV_P_ struct ev_signal *w) |
1609 | ev_signal_start (EV_P_ struct ev_signal *w) |
1503 | { |
1610 | { |
1504 | #if EV_MULTIPLICITY |
1611 | #if EV_MULTIPLICITY |
1505 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1612 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1506 | #endif |
1613 | #endif |
1507 | if (ev_is_active (w)) |
1614 | if (expect_false (ev_is_active (w))) |
1508 | return; |
1615 | return; |
1509 | |
1616 | |
1510 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1617 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1511 | |
1618 | |
1512 | ev_start (EV_A_ (W)w, 1); |
1619 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1529 | |
1636 | |
1530 | void |
1637 | void |
1531 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1638 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1532 | { |
1639 | { |
1533 | ev_clear_pending (EV_A_ (W)w); |
1640 | ev_clear_pending (EV_A_ (W)w); |
1534 | if (!ev_is_active (w)) |
1641 | if (expect_false (!ev_is_active (w))) |
1535 | return; |
1642 | return; |
1536 | |
1643 | |
1537 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1644 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1538 | ev_stop (EV_A_ (W)w); |
1645 | ev_stop (EV_A_ (W)w); |
1539 | |
1646 | |
… | |
… | |
1543 | |
1650 | |
1544 | void |
1651 | void |
1545 | ev_child_start (EV_P_ struct ev_child *w) |
1652 | ev_child_start (EV_P_ struct ev_child *w) |
1546 | { |
1653 | { |
1547 | #if EV_MULTIPLICITY |
1654 | #if EV_MULTIPLICITY |
1548 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1655 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1549 | #endif |
1656 | #endif |
1550 | if (ev_is_active (w)) |
1657 | if (expect_false (ev_is_active (w))) |
1551 | return; |
1658 | return; |
1552 | |
1659 | |
1553 | ev_start (EV_A_ (W)w, 1); |
1660 | ev_start (EV_A_ (W)w, 1); |
1554 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1661 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1555 | } |
1662 | } |
1556 | |
1663 | |
1557 | void |
1664 | void |
1558 | ev_child_stop (EV_P_ struct ev_child *w) |
1665 | ev_child_stop (EV_P_ struct ev_child *w) |
1559 | { |
1666 | { |
1560 | ev_clear_pending (EV_A_ (W)w); |
1667 | ev_clear_pending (EV_A_ (W)w); |
1561 | if (!ev_is_active (w)) |
1668 | if (expect_false (!ev_is_active (w))) |
1562 | return; |
1669 | return; |
1563 | |
1670 | |
1564 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1671 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1565 | ev_stop (EV_A_ (W)w); |
1672 | ev_stop (EV_A_ (W)w); |
1566 | } |
1673 | } |
|
|
1674 | |
|
|
1675 | #if EV_MULTIPLICITY |
|
|
1676 | static void |
|
|
1677 | embed_cb (EV_P_ struct ev_io *io, int revents) |
|
|
1678 | { |
|
|
1679 | struct ev_embed *w = (struct ev_embed *)(((char *)io) - offsetof (struct ev_embed, io)); |
|
|
1680 | |
|
|
1681 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1682 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1683 | } |
|
|
1684 | |
|
|
1685 | void |
|
|
1686 | ev_embed_start (EV_P_ struct ev_embed *w) |
|
|
1687 | { |
|
|
1688 | if (expect_false (ev_is_active (w))) |
|
|
1689 | return; |
|
|
1690 | |
|
|
1691 | { |
|
|
1692 | struct ev_loop *loop = w->loop; |
|
|
1693 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1694 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1695 | } |
|
|
1696 | |
|
|
1697 | ev_io_start (EV_A_ &w->io); |
|
|
1698 | ev_start (EV_A_ (W)w, 1); |
|
|
1699 | } |
|
|
1700 | |
|
|
1701 | void |
|
|
1702 | ev_embed_stop (EV_P_ struct ev_embed *w) |
|
|
1703 | { |
|
|
1704 | ev_clear_pending (EV_A_ (W)w); |
|
|
1705 | if (expect_false (!ev_is_active (w))) |
|
|
1706 | return; |
|
|
1707 | |
|
|
1708 | ev_io_stop (EV_A_ &w->io); |
|
|
1709 | ev_stop (EV_A_ (W)w); |
|
|
1710 | } |
|
|
1711 | #endif |
1567 | |
1712 | |
1568 | /*****************************************************************************/ |
1713 | /*****************************************************************************/ |
1569 | |
1714 | |
1570 | struct ev_once |
1715 | struct ev_once |
1571 | { |
1716 | { |
… | |
… | |
1603 | void |
1748 | void |
1604 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1749 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1605 | { |
1750 | { |
1606 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1751 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1607 | |
1752 | |
1608 | if (!once) |
1753 | if (expect_false (!once)) |
|
|
1754 | { |
1609 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1755 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1610 | else |
1756 | return; |
1611 | { |
1757 | } |
|
|
1758 | |
1612 | once->cb = cb; |
1759 | once->cb = cb; |
1613 | once->arg = arg; |
1760 | once->arg = arg; |
1614 | |
1761 | |
1615 | ev_init (&once->io, once_cb_io); |
1762 | ev_init (&once->io, once_cb_io); |
1616 | if (fd >= 0) |
1763 | if (fd >= 0) |
1617 | { |
1764 | { |
1618 | ev_io_set (&once->io, fd, events); |
1765 | ev_io_set (&once->io, fd, events); |
1619 | ev_io_start (EV_A_ &once->io); |
1766 | ev_io_start (EV_A_ &once->io); |
1620 | } |
1767 | } |
1621 | |
1768 | |
1622 | ev_init (&once->to, once_cb_to); |
1769 | ev_init (&once->to, once_cb_to); |
1623 | if (timeout >= 0.) |
1770 | if (timeout >= 0.) |
1624 | { |
1771 | { |
1625 | ev_timer_set (&once->to, timeout, 0.); |
1772 | ev_timer_set (&once->to, timeout, 0.); |
1626 | ev_timer_start (EV_A_ &once->to); |
1773 | ev_timer_start (EV_A_ &once->to); |
1627 | } |
|
|
1628 | } |
1774 | } |
1629 | } |
1775 | } |
1630 | |
1776 | |
1631 | #ifdef __cplusplus |
1777 | #ifdef __cplusplus |
1632 | } |
1778 | } |