… | |
… | |
32 | #ifdef __cplusplus |
32 | #ifdef __cplusplus |
33 | extern "C" { |
33 | extern "C" { |
34 | #endif |
34 | #endif |
35 | |
35 | |
36 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
|
|
37 | # ifdef EV_CONFIG_H |
|
|
38 | # include EV_CONFIG_H |
|
|
39 | # else |
37 | # include "config.h" |
40 | # include "config.h" |
|
|
41 | # endif |
38 | |
42 | |
39 | # if HAVE_CLOCK_GETTIME |
43 | # if HAVE_CLOCK_GETTIME |
40 | # ifndef EV_USE_MONOTONIC |
44 | # ifndef EV_USE_MONOTONIC |
41 | # define EV_USE_MONOTONIC 1 |
45 | # define EV_USE_MONOTONIC 1 |
42 | # endif |
46 | # endif |
43 | # ifndef EV_USE_REALTIME |
47 | # ifndef EV_USE_REALTIME |
44 | # define EV_USE_REALTIME 1 |
48 | # define EV_USE_REALTIME 1 |
45 | # endif |
49 | # endif |
|
|
50 | # else |
|
|
51 | # ifndef EV_USE_MONOTONIC |
|
|
52 | # define EV_USE_MONOTONIC 0 |
|
|
53 | # endif |
|
|
54 | # ifndef EV_USE_REALTIME |
|
|
55 | # define EV_USE_REALTIME 0 |
|
|
56 | # endif |
46 | # endif |
57 | # endif |
47 | |
58 | |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
59 | # ifndef EV_USE_SELECT |
|
|
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
49 | # define EV_USE_SELECT 1 |
61 | # define EV_USE_SELECT 1 |
|
|
62 | # else |
|
|
63 | # define EV_USE_SELECT 0 |
|
|
64 | # endif |
50 | # endif |
65 | # endif |
51 | |
66 | |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
67 | # ifndef EV_USE_POLL |
|
|
68 | # if HAVE_POLL && HAVE_POLL_H |
53 | # define EV_USE_POLL 1 |
69 | # define EV_USE_POLL 1 |
|
|
70 | # else |
|
|
71 | # define EV_USE_POLL 0 |
|
|
72 | # endif |
54 | # endif |
73 | # endif |
55 | |
74 | |
56 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
75 | # ifndef EV_USE_EPOLL |
|
|
76 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
57 | # define EV_USE_EPOLL 1 |
77 | # define EV_USE_EPOLL 1 |
|
|
78 | # else |
|
|
79 | # define EV_USE_EPOLL 0 |
|
|
80 | # endif |
58 | # endif |
81 | # endif |
59 | |
82 | |
|
|
83 | # ifndef EV_USE_KQUEUE |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
84 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
61 | # define EV_USE_KQUEUE 1 |
85 | # define EV_USE_KQUEUE 1 |
|
|
86 | # else |
|
|
87 | # define EV_USE_KQUEUE 0 |
|
|
88 | # endif |
|
|
89 | # endif |
|
|
90 | |
|
|
91 | # ifndef EV_USE_PORT |
|
|
92 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
|
|
93 | # define EV_USE_PORT 1 |
|
|
94 | # else |
|
|
95 | # define EV_USE_PORT 0 |
|
|
96 | # endif |
62 | # endif |
97 | # endif |
63 | |
98 | |
64 | #endif |
99 | #endif |
65 | |
100 | |
66 | #include <math.h> |
101 | #include <math.h> |
… | |
… | |
90 | #endif |
125 | #endif |
91 | |
126 | |
92 | /**/ |
127 | /**/ |
93 | |
128 | |
94 | #ifndef EV_USE_MONOTONIC |
129 | #ifndef EV_USE_MONOTONIC |
95 | # define EV_USE_MONOTONIC 1 |
130 | # define EV_USE_MONOTONIC 0 |
|
|
131 | #endif |
|
|
132 | |
|
|
133 | #ifndef EV_USE_REALTIME |
|
|
134 | # define EV_USE_REALTIME 0 |
96 | #endif |
135 | #endif |
97 | |
136 | |
98 | #ifndef EV_USE_SELECT |
137 | #ifndef EV_USE_SELECT |
99 | # define EV_USE_SELECT 1 |
138 | # define EV_USE_SELECT 1 |
100 | # define EV_SELECT_USE_FD_SET 1 |
|
|
101 | #endif |
139 | #endif |
102 | |
140 | |
103 | #ifndef EV_USE_POLL |
141 | #ifndef EV_USE_POLL |
104 | # ifdef _WIN32 |
142 | # ifdef _WIN32 |
105 | # define EV_USE_POLL 0 |
143 | # define EV_USE_POLL 0 |
… | |
… | |
114 | |
152 | |
115 | #ifndef EV_USE_KQUEUE |
153 | #ifndef EV_USE_KQUEUE |
116 | # define EV_USE_KQUEUE 0 |
154 | # define EV_USE_KQUEUE 0 |
117 | #endif |
155 | #endif |
118 | |
156 | |
119 | #ifndef EV_USE_REALTIME |
157 | #ifndef EV_USE_PORT |
120 | # define EV_USE_REALTIME 1 |
158 | # define EV_USE_PORT 0 |
121 | #endif |
159 | #endif |
122 | |
160 | |
123 | /**/ |
161 | /**/ |
124 | |
|
|
125 | /* darwin simply cannot be helped */ |
|
|
126 | #ifdef __APPLE__ |
|
|
127 | # undef EV_USE_POLL |
|
|
128 | # undef EV_USE_KQUEUE |
|
|
129 | #endif |
|
|
130 | |
162 | |
131 | #ifndef CLOCK_MONOTONIC |
163 | #ifndef CLOCK_MONOTONIC |
132 | # undef EV_USE_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
133 | # define EV_USE_MONOTONIC 0 |
165 | # define EV_USE_MONOTONIC 0 |
134 | #endif |
166 | #endif |
… | |
… | |
143 | #endif |
175 | #endif |
144 | |
176 | |
145 | /**/ |
177 | /**/ |
146 | |
178 | |
147 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
148 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
180 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
149 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
181 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
150 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
182 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
151 | |
183 | |
152 | #ifdef EV_H |
184 | #ifdef EV_H |
153 | # include EV_H |
185 | # include EV_H |
154 | #else |
186 | #else |
155 | # include "ev.h" |
187 | # include "ev.h" |
156 | #endif |
188 | #endif |
157 | |
189 | |
158 | #if __GNUC__ >= 3 |
190 | #if __GNUC__ >= 3 |
159 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
160 | # define inline inline |
192 | # define inline static inline |
161 | #else |
193 | #else |
162 | # define expect(expr,value) (expr) |
194 | # define expect(expr,value) (expr) |
163 | # define inline static |
195 | # define inline static |
164 | #endif |
196 | #endif |
165 | |
197 | |
… | |
… | |
167 | #define expect_true(expr) expect ((expr) != 0, 1) |
199 | #define expect_true(expr) expect ((expr) != 0, 1) |
168 | |
200 | |
169 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
201 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
170 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
171 | |
203 | |
172 | #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 */ |
173 | |
206 | |
174 | typedef struct ev_watcher *W; |
207 | typedef struct ev_watcher *W; |
175 | typedef struct ev_watcher_list *WL; |
208 | typedef struct ev_watcher_list *WL; |
176 | typedef struct ev_watcher_time *WT; |
209 | typedef struct ev_watcher_time *WT; |
177 | |
210 | |
… | |
… | |
257 | #include "ev_vars.h" |
290 | #include "ev_vars.h" |
258 | #undef VAR |
291 | #undef VAR |
259 | }; |
292 | }; |
260 | #include "ev_wrap.h" |
293 | #include "ev_wrap.h" |
261 | |
294 | |
262 | struct ev_loop default_loop_struct; |
295 | static struct ev_loop default_loop_struct; |
263 | static struct ev_loop *default_loop; |
296 | struct ev_loop *ev_default_loop_ptr; |
264 | |
297 | |
265 | #else |
298 | #else |
266 | |
299 | |
267 | ev_tstamp ev_rt_now; |
300 | ev_tstamp ev_rt_now; |
268 | #define VAR(name,decl) static decl; |
301 | #define VAR(name,decl) static decl; |
269 | #include "ev_vars.h" |
302 | #include "ev_vars.h" |
270 | #undef VAR |
303 | #undef VAR |
271 | |
304 | |
272 | static int default_loop; |
305 | static int ev_default_loop_ptr; |
273 | |
306 | |
274 | #endif |
307 | #endif |
275 | |
308 | |
276 | /*****************************************************************************/ |
309 | /*****************************************************************************/ |
277 | |
310 | |
… | |
… | |
310 | { |
343 | { |
311 | return ev_rt_now; |
344 | return ev_rt_now; |
312 | } |
345 | } |
313 | #endif |
346 | #endif |
314 | |
347 | |
315 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
348 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
316 | |
349 | |
317 | #define array_needsize(type,base,cur,cnt,init) \ |
350 | #define array_needsize(type,base,cur,cnt,init) \ |
318 | if (expect_false ((cnt) > cur)) \ |
351 | if (expect_false ((cnt) > cur)) \ |
319 | { \ |
352 | { \ |
320 | int newcnt = cur; \ |
353 | int newcnt = cur; \ |
… | |
… | |
358 | void |
391 | void |
359 | ev_feed_event (EV_P_ void *w, int revents) |
392 | ev_feed_event (EV_P_ void *w, int revents) |
360 | { |
393 | { |
361 | W w_ = (W)w; |
394 | W w_ = (W)w; |
362 | |
395 | |
363 | if (w_->pending) |
396 | if (expect_false (w_->pending)) |
364 | { |
397 | { |
365 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
398 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
366 | return; |
399 | return; |
367 | } |
400 | } |
368 | |
401 | |
|
|
402 | if (expect_false (!w_->cb)) |
|
|
403 | return; |
|
|
404 | |
369 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
405 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
370 | 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); |
371 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
407 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
372 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
408 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
373 | } |
409 | } |
374 | |
410 | |
375 | static void |
411 | static void |
… | |
… | |
402 | fd_event (EV_A_ fd, revents); |
438 | fd_event (EV_A_ fd, revents); |
403 | } |
439 | } |
404 | |
440 | |
405 | /*****************************************************************************/ |
441 | /*****************************************************************************/ |
406 | |
442 | |
407 | static void |
443 | inline void |
408 | fd_reify (EV_P) |
444 | fd_reify (EV_P) |
409 | { |
445 | { |
410 | int i; |
446 | int i; |
411 | |
447 | |
412 | for (i = 0; i < fdchangecnt; ++i) |
448 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
429 | } |
465 | } |
430 | #endif |
466 | #endif |
431 | |
467 | |
432 | anfd->reify = 0; |
468 | anfd->reify = 0; |
433 | |
469 | |
434 | method_modify (EV_A_ fd, anfd->events, events); |
470 | backend_modify (EV_A_ fd, anfd->events, events); |
435 | anfd->events = events; |
471 | anfd->events = events; |
436 | } |
472 | } |
437 | |
473 | |
438 | fdchangecnt = 0; |
474 | fdchangecnt = 0; |
439 | } |
475 | } |
440 | |
476 | |
441 | static void |
477 | static void |
442 | fd_change (EV_P_ int fd) |
478 | fd_change (EV_P_ int fd) |
443 | { |
479 | { |
444 | if (anfds [fd].reify) |
480 | if (expect_false (anfds [fd].reify)) |
445 | return; |
481 | return; |
446 | |
482 | |
447 | anfds [fd].reify = 1; |
483 | anfds [fd].reify = 1; |
448 | |
484 | |
449 | ++fdchangecnt; |
485 | ++fdchangecnt; |
450 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
486 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
451 | fdchanges [fdchangecnt - 1] = fd; |
487 | fdchanges [fdchangecnt - 1] = fd; |
452 | } |
488 | } |
453 | |
489 | |
454 | static void |
490 | static void |
455 | fd_kill (EV_P_ int fd) |
491 | fd_kill (EV_P_ int fd) |
… | |
… | |
461 | ev_io_stop (EV_A_ w); |
497 | ev_io_stop (EV_A_ w); |
462 | 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); |
463 | } |
499 | } |
464 | } |
500 | } |
465 | |
501 | |
466 | static int |
502 | inline int |
467 | fd_valid (int fd) |
503 | fd_valid (int fd) |
468 | { |
504 | { |
469 | #ifdef _WIN32 |
505 | #ifdef _WIN32 |
470 | return _get_osfhandle (fd) != -1; |
506 | return _get_osfhandle (fd) != -1; |
471 | #else |
507 | #else |
… | |
… | |
497 | fd_kill (EV_A_ fd); |
533 | fd_kill (EV_A_ fd); |
498 | return; |
534 | return; |
499 | } |
535 | } |
500 | } |
536 | } |
501 | |
537 | |
502 | /* 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 */ |
503 | static void |
539 | static void |
504 | fd_rearm_all (EV_P) |
540 | fd_rearm_all (EV_P) |
505 | { |
541 | { |
506 | int fd; |
542 | int fd; |
507 | |
543 | |
… | |
… | |
613 | ev_feed_signal_event (EV_P_ int signum) |
649 | ev_feed_signal_event (EV_P_ int signum) |
614 | { |
650 | { |
615 | WL w; |
651 | WL w; |
616 | |
652 | |
617 | #if EV_MULTIPLICITY |
653 | #if EV_MULTIPLICITY |
618 | 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)); |
619 | #endif |
655 | #endif |
620 | |
656 | |
621 | --signum; |
657 | --signum; |
622 | |
658 | |
623 | if (signum < 0 || signum >= signalmax) |
659 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
640 | for (signum = signalmax; signum--; ) |
676 | for (signum = signalmax; signum--; ) |
641 | if (signals [signum].gotsig) |
677 | if (signals [signum].gotsig) |
642 | ev_feed_signal_event (EV_A_ signum + 1); |
678 | ev_feed_signal_event (EV_A_ signum + 1); |
643 | } |
679 | } |
644 | |
680 | |
645 | inline void |
681 | static void |
646 | fd_intern (int fd) |
682 | fd_intern (int fd) |
647 | { |
683 | { |
648 | #ifdef _WIN32 |
684 | #ifdef _WIN32 |
649 | int arg = 1; |
685 | int arg = 1; |
650 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
686 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
698 | int pid, status; |
734 | int pid, status; |
699 | |
735 | |
700 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
736 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
701 | { |
737 | { |
702 | /* 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 */ |
703 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
740 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
704 | |
741 | |
705 | child_reap (EV_A_ sw, pid, pid, status); |
742 | child_reap (EV_A_ sw, pid, pid, status); |
706 | 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 */ |
707 | } |
744 | } |
708 | } |
745 | } |
709 | |
746 | |
710 | #endif |
747 | #endif |
711 | |
748 | |
712 | /*****************************************************************************/ |
749 | /*****************************************************************************/ |
713 | |
750 | |
|
|
751 | #if EV_USE_PORT |
|
|
752 | # include "ev_port.c" |
|
|
753 | #endif |
714 | #if EV_USE_KQUEUE |
754 | #if EV_USE_KQUEUE |
715 | # include "ev_kqueue.c" |
755 | # include "ev_kqueue.c" |
716 | #endif |
756 | #endif |
717 | #if EV_USE_EPOLL |
757 | #if EV_USE_EPOLL |
718 | # include "ev_epoll.c" |
758 | # include "ev_epoll.c" |
… | |
… | |
746 | return getuid () != geteuid () |
786 | return getuid () != geteuid () |
747 | || getgid () != getegid (); |
787 | || getgid () != getegid (); |
748 | #endif |
788 | #endif |
749 | } |
789 | } |
750 | |
790 | |
751 | int |
791 | unsigned int |
752 | ev_method (EV_P) |
792 | ev_supported_backends (void) |
753 | { |
793 | { |
754 | return method; |
794 | unsigned int flags = 0; |
755 | } |
|
|
756 | |
795 | |
757 | static void |
796 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
758 | 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) |
759 | { |
807 | { |
760 | 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) |
761 | { |
841 | { |
762 | #if EV_USE_MONOTONIC |
842 | #if EV_USE_MONOTONIC |
763 | { |
843 | { |
764 | struct timespec ts; |
844 | struct timespec ts; |
765 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
845 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
770 | ev_rt_now = ev_time (); |
850 | ev_rt_now = ev_time (); |
771 | mn_now = get_clock (); |
851 | mn_now = get_clock (); |
772 | now_floor = mn_now; |
852 | now_floor = mn_now; |
773 | rtmn_diff = ev_rt_now - mn_now; |
853 | rtmn_diff = ev_rt_now - mn_now; |
774 | |
854 | |
775 | if (methods == EVMETHOD_AUTO) |
855 | if (!(flags & EVFLAG_NOENV) |
776 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
856 | && !enable_secure () |
|
|
857 | && getenv ("LIBEV_FLAGS")) |
777 | methods = atoi (getenv ("LIBEV_METHODS")); |
858 | flags = atoi (getenv ("LIBEV_FLAGS")); |
778 | else |
|
|
779 | methods = EVMETHOD_ANY; |
|
|
780 | |
859 | |
781 | 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 |
782 | #if EV_USE_KQUEUE |
867 | #if EV_USE_KQUEUE |
783 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
868 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
784 | #endif |
869 | #endif |
785 | #if EV_USE_EPOLL |
870 | #if EV_USE_EPOLL |
786 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
871 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
787 | #endif |
872 | #endif |
788 | #if EV_USE_POLL |
873 | #if EV_USE_POLL |
789 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
874 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
790 | #endif |
875 | #endif |
791 | #if EV_USE_SELECT |
876 | #if EV_USE_SELECT |
792 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
877 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
793 | #endif |
878 | #endif |
794 | |
879 | |
795 | ev_init (&sigev, sigcb); |
880 | ev_init (&sigev, sigcb); |
796 | ev_set_priority (&sigev, EV_MAXPRI); |
881 | ev_set_priority (&sigev, EV_MAXPRI); |
797 | } |
882 | } |
798 | } |
883 | } |
799 | |
884 | |
800 | void |
885 | static void |
801 | loop_destroy (EV_P) |
886 | loop_destroy (EV_P) |
802 | { |
887 | { |
803 | int i; |
888 | int i; |
804 | |
889 | |
|
|
890 | #if EV_USE_PORT |
|
|
891 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
|
|
892 | #endif |
805 | #if EV_USE_KQUEUE |
893 | #if EV_USE_KQUEUE |
806 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
894 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
807 | #endif |
895 | #endif |
808 | #if EV_USE_EPOLL |
896 | #if EV_USE_EPOLL |
809 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
897 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
810 | #endif |
898 | #endif |
811 | #if EV_USE_POLL |
899 | #if EV_USE_POLL |
812 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
900 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
813 | #endif |
901 | #endif |
814 | #if EV_USE_SELECT |
902 | #if EV_USE_SELECT |
815 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
903 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
816 | #endif |
904 | #endif |
817 | |
905 | |
818 | for (i = NUMPRI; i--; ) |
906 | for (i = NUMPRI; i--; ) |
819 | array_free (pending, [i]); |
907 | array_free (pending, [i]); |
820 | |
908 | |
821 | /* have to use the microsoft-never-gets-it-right macro */ |
909 | /* have to use the microsoft-never-gets-it-right macro */ |
822 | array_free (fdchange, EMPTY); |
910 | array_free (fdchange, EMPTY0); |
823 | array_free (timer, EMPTY); |
911 | array_free (timer, EMPTY0); |
824 | #if EV_PERIODICS |
912 | #if EV_PERIODICS |
825 | array_free (periodic, EMPTY); |
913 | array_free (periodic, EMPTY0); |
826 | #endif |
914 | #endif |
827 | array_free (idle, EMPTY); |
915 | array_free (idle, EMPTY0); |
828 | array_free (prepare, EMPTY); |
916 | array_free (prepare, EMPTY0); |
829 | array_free (check, EMPTY); |
917 | array_free (check, EMPTY0); |
830 | |
918 | |
831 | method = 0; |
919 | backend = 0; |
832 | } |
920 | } |
833 | |
921 | |
834 | static void |
922 | static void |
835 | loop_fork (EV_P) |
923 | loop_fork (EV_P) |
836 | { |
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 |
837 | #if EV_USE_EPOLL |
931 | #if EV_USE_EPOLL |
838 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
932 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
839 | #endif |
|
|
840 | #if EV_USE_KQUEUE |
|
|
841 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
842 | #endif |
933 | #endif |
843 | |
934 | |
844 | if (ev_is_active (&sigev)) |
935 | if (ev_is_active (&sigev)) |
845 | { |
936 | { |
846 | /* default loop */ |
937 | /* default loop */ |
… | |
… | |
859 | postfork = 0; |
950 | postfork = 0; |
860 | } |
951 | } |
861 | |
952 | |
862 | #if EV_MULTIPLICITY |
953 | #if EV_MULTIPLICITY |
863 | struct ev_loop * |
954 | struct ev_loop * |
864 | ev_loop_new (int methods) |
955 | ev_loop_new (unsigned int flags) |
865 | { |
956 | { |
866 | 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)); |
867 | |
958 | |
868 | memset (loop, 0, sizeof (struct ev_loop)); |
959 | memset (loop, 0, sizeof (struct ev_loop)); |
869 | |
960 | |
870 | loop_init (EV_A_ methods); |
961 | loop_init (EV_A_ flags); |
871 | |
962 | |
872 | if (ev_method (EV_A)) |
963 | if (ev_backend (EV_A)) |
873 | return loop; |
964 | return loop; |
874 | |
965 | |
875 | return 0; |
966 | return 0; |
876 | } |
967 | } |
877 | |
968 | |
… | |
… | |
890 | |
981 | |
891 | #endif |
982 | #endif |
892 | |
983 | |
893 | #if EV_MULTIPLICITY |
984 | #if EV_MULTIPLICITY |
894 | struct ev_loop * |
985 | struct ev_loop * |
|
|
986 | ev_default_loop_init (unsigned int flags) |
895 | #else |
987 | #else |
896 | int |
988 | int |
|
|
989 | ev_default_loop (unsigned int flags) |
897 | #endif |
990 | #endif |
898 | ev_default_loop (int methods) |
|
|
899 | { |
991 | { |
900 | if (sigpipe [0] == sigpipe [1]) |
992 | if (sigpipe [0] == sigpipe [1]) |
901 | if (pipe (sigpipe)) |
993 | if (pipe (sigpipe)) |
902 | return 0; |
994 | return 0; |
903 | |
995 | |
904 | if (!default_loop) |
996 | if (!ev_default_loop_ptr) |
905 | { |
997 | { |
906 | #if EV_MULTIPLICITY |
998 | #if EV_MULTIPLICITY |
907 | struct ev_loop *loop = default_loop = &default_loop_struct; |
999 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
908 | #else |
1000 | #else |
909 | default_loop = 1; |
1001 | ev_default_loop_ptr = 1; |
910 | #endif |
1002 | #endif |
911 | |
1003 | |
912 | loop_init (EV_A_ methods); |
1004 | loop_init (EV_A_ flags); |
913 | |
1005 | |
914 | if (ev_method (EV_A)) |
1006 | if (ev_backend (EV_A)) |
915 | { |
1007 | { |
916 | siginit (EV_A); |
1008 | siginit (EV_A); |
917 | |
1009 | |
918 | #ifndef _WIN32 |
1010 | #ifndef _WIN32 |
919 | ev_signal_init (&childev, childcb, SIGCHLD); |
1011 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
921 | ev_signal_start (EV_A_ &childev); |
1013 | ev_signal_start (EV_A_ &childev); |
922 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1014 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
923 | #endif |
1015 | #endif |
924 | } |
1016 | } |
925 | else |
1017 | else |
926 | default_loop = 0; |
1018 | ev_default_loop_ptr = 0; |
927 | } |
1019 | } |
928 | |
1020 | |
929 | return default_loop; |
1021 | return ev_default_loop_ptr; |
930 | } |
1022 | } |
931 | |
1023 | |
932 | void |
1024 | void |
933 | ev_default_destroy (void) |
1025 | ev_default_destroy (void) |
934 | { |
1026 | { |
935 | #if EV_MULTIPLICITY |
1027 | #if EV_MULTIPLICITY |
936 | struct ev_loop *loop = default_loop; |
1028 | struct ev_loop *loop = ev_default_loop_ptr; |
937 | #endif |
1029 | #endif |
938 | |
1030 | |
939 | #ifndef _WIN32 |
1031 | #ifndef _WIN32 |
940 | ev_ref (EV_A); /* child watcher */ |
1032 | ev_ref (EV_A); /* child watcher */ |
941 | ev_signal_stop (EV_A_ &childev); |
1033 | ev_signal_stop (EV_A_ &childev); |
… | |
… | |
952 | |
1044 | |
953 | void |
1045 | void |
954 | ev_default_fork (void) |
1046 | ev_default_fork (void) |
955 | { |
1047 | { |
956 | #if EV_MULTIPLICITY |
1048 | #if EV_MULTIPLICITY |
957 | struct ev_loop *loop = default_loop; |
1049 | struct ev_loop *loop = ev_default_loop_ptr; |
958 | #endif |
1050 | #endif |
959 | |
1051 | |
960 | if (method) |
1052 | if (backend) |
961 | postfork = 1; |
1053 | postfork = 1; |
962 | } |
1054 | } |
963 | |
1055 | |
964 | /*****************************************************************************/ |
1056 | /*****************************************************************************/ |
965 | |
1057 | |
… | |
… | |
973 | return 1; |
1065 | return 1; |
974 | |
1066 | |
975 | return 0; |
1067 | return 0; |
976 | } |
1068 | } |
977 | |
1069 | |
978 | static void |
1070 | inline void |
979 | call_pending (EV_P) |
1071 | call_pending (EV_P) |
980 | { |
1072 | { |
981 | int pri; |
1073 | int pri; |
982 | |
1074 | |
983 | for (pri = NUMPRI; pri--; ) |
1075 | for (pri = NUMPRI; pri--; ) |
984 | while (pendingcnt [pri]) |
1076 | while (pendingcnt [pri]) |
985 | { |
1077 | { |
986 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1078 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
987 | |
1079 | |
988 | if (p->w) |
1080 | if (expect_true (p->w)) |
989 | { |
1081 | { |
990 | p->w->pending = 0; |
1082 | p->w->pending = 0; |
991 | EV_CB_INVOKE (p->w, p->events); |
1083 | EV_CB_INVOKE (p->w, p->events); |
992 | } |
1084 | } |
993 | } |
1085 | } |
994 | } |
1086 | } |
995 | |
1087 | |
996 | static void |
1088 | inline void |
997 | timers_reify (EV_P) |
1089 | timers_reify (EV_P) |
998 | { |
1090 | { |
999 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1091 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1000 | { |
1092 | { |
1001 | struct ev_timer *w = timers [0]; |
1093 | struct ev_timer *w = timers [0]; |
… | |
… | |
1019 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1111 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1020 | } |
1112 | } |
1021 | } |
1113 | } |
1022 | |
1114 | |
1023 | #if EV_PERIODICS |
1115 | #if EV_PERIODICS |
1024 | static void |
1116 | inline void |
1025 | periodics_reify (EV_P) |
1117 | periodics_reify (EV_P) |
1026 | { |
1118 | { |
1027 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1119 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1028 | { |
1120 | { |
1029 | struct ev_periodic *w = periodics [0]; |
1121 | struct ev_periodic *w = periodics [0]; |
… | |
… | |
1031 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1123 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1032 | |
1124 | |
1033 | /* first reschedule or stop timer */ |
1125 | /* first reschedule or stop timer */ |
1034 | if (w->reschedule_cb) |
1126 | if (w->reschedule_cb) |
1035 | { |
1127 | { |
1036 | 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); |
1037 | |
|
|
1038 | 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)); |
1039 | downheap ((WT *)periodics, periodiccnt, 0); |
1130 | downheap ((WT *)periodics, periodiccnt, 0); |
1040 | } |
1131 | } |
1041 | else if (w->interval) |
1132 | else if (w->interval) |
1042 | { |
1133 | { |
… | |
… | |
1089 | ev_rt_now = ev_time (); |
1180 | ev_rt_now = ev_time (); |
1090 | return 1; |
1181 | return 1; |
1091 | } |
1182 | } |
1092 | } |
1183 | } |
1093 | |
1184 | |
1094 | static void |
1185 | inline void |
1095 | time_update (EV_P) |
1186 | time_update (EV_P) |
1096 | { |
1187 | { |
1097 | int i; |
1188 | int i; |
1098 | |
1189 | |
1099 | #if EV_USE_MONOTONIC |
1190 | #if EV_USE_MONOTONIC |
… | |
… | |
1157 | static int loop_done; |
1248 | static int loop_done; |
1158 | |
1249 | |
1159 | void |
1250 | void |
1160 | ev_loop (EV_P_ int flags) |
1251 | ev_loop (EV_P_ int flags) |
1161 | { |
1252 | { |
1162 | double block; |
|
|
1163 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1253 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1254 | ? EVUNLOOP_ONE |
|
|
1255 | : EVUNLOOP_CANCEL; |
1164 | |
1256 | |
1165 | do |
1257 | while (activecnt) |
1166 | { |
1258 | { |
1167 | /* queue check watchers (and execute them) */ |
1259 | /* queue check watchers (and execute them) */ |
1168 | if (expect_false (preparecnt)) |
1260 | if (expect_false (preparecnt)) |
1169 | { |
1261 | { |
1170 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1262 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1177 | |
1269 | |
1178 | /* update fd-related kernel structures */ |
1270 | /* update fd-related kernel structures */ |
1179 | fd_reify (EV_A); |
1271 | fd_reify (EV_A); |
1180 | |
1272 | |
1181 | /* calculate blocking time */ |
1273 | /* calculate blocking time */ |
|
|
1274 | { |
|
|
1275 | double block; |
1182 | |
1276 | |
1183 | /* we only need this for !monotonic clock or timers, but as we basically |
1277 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1184 | always have timers, we just calculate it always */ |
1278 | block = 0.; /* do not block at all */ |
|
|
1279 | else |
|
|
1280 | { |
|
|
1281 | /* update time to cancel out callback processing overhead */ |
1185 | #if EV_USE_MONOTONIC |
1282 | #if EV_USE_MONOTONIC |
1186 | if (expect_true (have_monotonic)) |
1283 | if (expect_true (have_monotonic)) |
1187 | time_update_monotonic (EV_A); |
1284 | time_update_monotonic (EV_A); |
1188 | else |
1285 | else |
1189 | #endif |
1286 | #endif |
1190 | { |
1287 | { |
1191 | ev_rt_now = ev_time (); |
1288 | ev_rt_now = ev_time (); |
1192 | mn_now = ev_rt_now; |
1289 | mn_now = ev_rt_now; |
1193 | } |
1290 | } |
1194 | |
1291 | |
1195 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1196 | block = 0.; |
|
|
1197 | else |
|
|
1198 | { |
|
|
1199 | block = MAX_BLOCKTIME; |
1292 | block = MAX_BLOCKTIME; |
1200 | |
1293 | |
1201 | if (timercnt) |
1294 | if (timercnt) |
1202 | { |
1295 | { |
1203 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1296 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1204 | if (block > to) block = to; |
1297 | if (block > to) block = to; |
1205 | } |
1298 | } |
1206 | |
1299 | |
1207 | #if EV_PERIODICS |
1300 | #if EV_PERIODICS |
1208 | if (periodiccnt) |
1301 | if (periodiccnt) |
1209 | { |
1302 | { |
1210 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1303 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1211 | if (block > to) block = to; |
1304 | if (block > to) block = to; |
1212 | } |
1305 | } |
1213 | #endif |
1306 | #endif |
1214 | |
1307 | |
1215 | if (block < 0.) block = 0.; |
1308 | if (expect_false (block < 0.)) block = 0.; |
1216 | } |
1309 | } |
1217 | |
1310 | |
1218 | method_poll (EV_A_ block); |
1311 | backend_poll (EV_A_ block); |
|
|
1312 | } |
1219 | |
1313 | |
1220 | /* update ev_rt_now, do magic */ |
1314 | /* update ev_rt_now, do magic */ |
1221 | time_update (EV_A); |
1315 | time_update (EV_A); |
1222 | |
1316 | |
1223 | /* queue pending timers and reschedule them */ |
1317 | /* queue pending timers and reschedule them */ |
… | |
… | |
1229 | /* queue idle watchers unless io or timers are pending */ |
1323 | /* queue idle watchers unless io or timers are pending */ |
1230 | if (idlecnt && !any_pending (EV_A)) |
1324 | if (idlecnt && !any_pending (EV_A)) |
1231 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1325 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1232 | |
1326 | |
1233 | /* queue check watchers, to be executed first */ |
1327 | /* queue check watchers, to be executed first */ |
1234 | if (checkcnt) |
1328 | if (expect_false (checkcnt)) |
1235 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1329 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1236 | |
1330 | |
1237 | call_pending (EV_A); |
1331 | call_pending (EV_A); |
1238 | } |
|
|
1239 | while (activecnt && !loop_done); |
|
|
1240 | |
1332 | |
1241 | if (loop_done != 2) |
1333 | if (expect_false (loop_done)) |
1242 | loop_done = 0; |
1334 | break; |
|
|
1335 | } |
|
|
1336 | |
|
|
1337 | if (loop_done == EVUNLOOP_ONE) |
|
|
1338 | loop_done = EVUNLOOP_CANCEL; |
1243 | } |
1339 | } |
1244 | |
1340 | |
1245 | void |
1341 | void |
1246 | ev_unloop (EV_P_ int how) |
1342 | ev_unloop (EV_P_ int how) |
1247 | { |
1343 | { |
… | |
… | |
1304 | void |
1400 | void |
1305 | ev_io_start (EV_P_ struct ev_io *w) |
1401 | ev_io_start (EV_P_ struct ev_io *w) |
1306 | { |
1402 | { |
1307 | int fd = w->fd; |
1403 | int fd = w->fd; |
1308 | |
1404 | |
1309 | if (ev_is_active (w)) |
1405 | if (expect_false (ev_is_active (w))) |
1310 | return; |
1406 | return; |
1311 | |
1407 | |
1312 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1408 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1313 | |
1409 | |
1314 | ev_start (EV_A_ (W)w, 1); |
1410 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1320 | |
1416 | |
1321 | void |
1417 | void |
1322 | ev_io_stop (EV_P_ struct ev_io *w) |
1418 | ev_io_stop (EV_P_ struct ev_io *w) |
1323 | { |
1419 | { |
1324 | ev_clear_pending (EV_A_ (W)w); |
1420 | ev_clear_pending (EV_A_ (W)w); |
1325 | if (!ev_is_active (w)) |
1421 | if (expect_false (!ev_is_active (w))) |
1326 | return; |
1422 | return; |
1327 | |
1423 | |
1328 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1424 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1329 | |
1425 | |
1330 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1426 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
… | |
… | |
1334 | } |
1430 | } |
1335 | |
1431 | |
1336 | void |
1432 | void |
1337 | ev_timer_start (EV_P_ struct ev_timer *w) |
1433 | ev_timer_start (EV_P_ struct ev_timer *w) |
1338 | { |
1434 | { |
1339 | if (ev_is_active (w)) |
1435 | if (expect_false (ev_is_active (w))) |
1340 | return; |
1436 | return; |
1341 | |
1437 | |
1342 | ((WT)w)->at += mn_now; |
1438 | ((WT)w)->at += mn_now; |
1343 | |
1439 | |
1344 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1440 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1345 | |
1441 | |
1346 | ev_start (EV_A_ (W)w, ++timercnt); |
1442 | ev_start (EV_A_ (W)w, ++timercnt); |
1347 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1443 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1348 | timers [timercnt - 1] = w; |
1444 | timers [timercnt - 1] = w; |
1349 | upheap ((WT *)timers, timercnt - 1); |
1445 | upheap ((WT *)timers, timercnt - 1); |
1350 | |
1446 | |
1351 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1447 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1352 | } |
1448 | } |
1353 | |
1449 | |
1354 | void |
1450 | void |
1355 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1451 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1356 | { |
1452 | { |
1357 | ev_clear_pending (EV_A_ (W)w); |
1453 | ev_clear_pending (EV_A_ (W)w); |
1358 | if (!ev_is_active (w)) |
1454 | if (expect_false (!ev_is_active (w))) |
1359 | return; |
1455 | return; |
1360 | |
1456 | |
1361 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1457 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1362 | |
1458 | |
1363 | if (((W)w)->active < timercnt--) |
1459 | if (expect_true (((W)w)->active < timercnt--)) |
1364 | { |
1460 | { |
1365 | timers [((W)w)->active - 1] = timers [timercnt]; |
1461 | timers [((W)w)->active - 1] = timers [timercnt]; |
1366 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1462 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1367 | } |
1463 | } |
1368 | |
1464 | |
… | |
… | |
1383 | } |
1479 | } |
1384 | else |
1480 | else |
1385 | ev_timer_stop (EV_A_ w); |
1481 | ev_timer_stop (EV_A_ w); |
1386 | } |
1482 | } |
1387 | else if (w->repeat) |
1483 | else if (w->repeat) |
|
|
1484 | { |
|
|
1485 | w->at = w->repeat; |
1388 | ev_timer_start (EV_A_ w); |
1486 | ev_timer_start (EV_A_ w); |
|
|
1487 | } |
1389 | } |
1488 | } |
1390 | |
1489 | |
1391 | #if EV_PERIODICS |
1490 | #if EV_PERIODICS |
1392 | void |
1491 | void |
1393 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1492 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1394 | { |
1493 | { |
1395 | if (ev_is_active (w)) |
1494 | if (expect_false (ev_is_active (w))) |
1396 | return; |
1495 | return; |
1397 | |
1496 | |
1398 | if (w->reschedule_cb) |
1497 | if (w->reschedule_cb) |
1399 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1498 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1400 | else if (w->interval) |
1499 | else if (w->interval) |
… | |
… | |
1403 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1502 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1404 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1503 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1405 | } |
1504 | } |
1406 | |
1505 | |
1407 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1506 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1408 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1507 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1409 | periodics [periodiccnt - 1] = w; |
1508 | periodics [periodiccnt - 1] = w; |
1410 | upheap ((WT *)periodics, periodiccnt - 1); |
1509 | upheap ((WT *)periodics, periodiccnt - 1); |
1411 | |
1510 | |
1412 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1511 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1413 | } |
1512 | } |
1414 | |
1513 | |
1415 | void |
1514 | void |
1416 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1515 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1417 | { |
1516 | { |
1418 | ev_clear_pending (EV_A_ (W)w); |
1517 | ev_clear_pending (EV_A_ (W)w); |
1419 | if (!ev_is_active (w)) |
1518 | if (expect_false (!ev_is_active (w))) |
1420 | return; |
1519 | return; |
1421 | |
1520 | |
1422 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1521 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1423 | |
1522 | |
1424 | if (((W)w)->active < periodiccnt--) |
1523 | if (expect_true (((W)w)->active < periodiccnt--)) |
1425 | { |
1524 | { |
1426 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1525 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1427 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1526 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1428 | } |
1527 | } |
1429 | |
1528 | |
… | |
… | |
1440 | #endif |
1539 | #endif |
1441 | |
1540 | |
1442 | void |
1541 | void |
1443 | ev_idle_start (EV_P_ struct ev_idle *w) |
1542 | ev_idle_start (EV_P_ struct ev_idle *w) |
1444 | { |
1543 | { |
1445 | if (ev_is_active (w)) |
1544 | if (expect_false (ev_is_active (w))) |
1446 | return; |
1545 | return; |
1447 | |
1546 | |
1448 | ev_start (EV_A_ (W)w, ++idlecnt); |
1547 | ev_start (EV_A_ (W)w, ++idlecnt); |
1449 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1548 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1450 | idles [idlecnt - 1] = w; |
1549 | idles [idlecnt - 1] = w; |
1451 | } |
1550 | } |
1452 | |
1551 | |
1453 | void |
1552 | void |
1454 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1553 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1455 | { |
1554 | { |
1456 | ev_clear_pending (EV_A_ (W)w); |
1555 | ev_clear_pending (EV_A_ (W)w); |
1457 | if (!ev_is_active (w)) |
1556 | if (expect_false (!ev_is_active (w))) |
1458 | return; |
1557 | return; |
1459 | |
1558 | |
1460 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1559 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1461 | ev_stop (EV_A_ (W)w); |
1560 | ev_stop (EV_A_ (W)w); |
1462 | } |
1561 | } |
1463 | |
1562 | |
1464 | void |
1563 | void |
1465 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1564 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1466 | { |
1565 | { |
1467 | if (ev_is_active (w)) |
1566 | if (expect_false (ev_is_active (w))) |
1468 | return; |
1567 | return; |
1469 | |
1568 | |
1470 | ev_start (EV_A_ (W)w, ++preparecnt); |
1569 | ev_start (EV_A_ (W)w, ++preparecnt); |
1471 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1570 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1472 | prepares [preparecnt - 1] = w; |
1571 | prepares [preparecnt - 1] = w; |
1473 | } |
1572 | } |
1474 | |
1573 | |
1475 | void |
1574 | void |
1476 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1575 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1477 | { |
1576 | { |
1478 | ev_clear_pending (EV_A_ (W)w); |
1577 | ev_clear_pending (EV_A_ (W)w); |
1479 | if (!ev_is_active (w)) |
1578 | if (expect_false (!ev_is_active (w))) |
1480 | return; |
1579 | return; |
1481 | |
1580 | |
1482 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1581 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1483 | ev_stop (EV_A_ (W)w); |
1582 | ev_stop (EV_A_ (W)w); |
1484 | } |
1583 | } |
1485 | |
1584 | |
1486 | void |
1585 | void |
1487 | ev_check_start (EV_P_ struct ev_check *w) |
1586 | ev_check_start (EV_P_ struct ev_check *w) |
1488 | { |
1587 | { |
1489 | if (ev_is_active (w)) |
1588 | if (expect_false (ev_is_active (w))) |
1490 | return; |
1589 | return; |
1491 | |
1590 | |
1492 | ev_start (EV_A_ (W)w, ++checkcnt); |
1591 | ev_start (EV_A_ (W)w, ++checkcnt); |
1493 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1592 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1494 | checks [checkcnt - 1] = w; |
1593 | checks [checkcnt - 1] = w; |
1495 | } |
1594 | } |
1496 | |
1595 | |
1497 | void |
1596 | void |
1498 | ev_check_stop (EV_P_ struct ev_check *w) |
1597 | ev_check_stop (EV_P_ struct ev_check *w) |
1499 | { |
1598 | { |
1500 | ev_clear_pending (EV_A_ (W)w); |
1599 | ev_clear_pending (EV_A_ (W)w); |
1501 | if (!ev_is_active (w)) |
1600 | if (expect_false (!ev_is_active (w))) |
1502 | return; |
1601 | return; |
1503 | |
1602 | |
1504 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1603 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1505 | ev_stop (EV_A_ (W)w); |
1604 | ev_stop (EV_A_ (W)w); |
1506 | } |
1605 | } |
… | |
… | |
1511 | |
1610 | |
1512 | void |
1611 | void |
1513 | ev_signal_start (EV_P_ struct ev_signal *w) |
1612 | ev_signal_start (EV_P_ struct ev_signal *w) |
1514 | { |
1613 | { |
1515 | #if EV_MULTIPLICITY |
1614 | #if EV_MULTIPLICITY |
1516 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1615 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1517 | #endif |
1616 | #endif |
1518 | if (ev_is_active (w)) |
1617 | if (expect_false (ev_is_active (w))) |
1519 | return; |
1618 | return; |
1520 | |
1619 | |
1521 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1620 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1522 | |
1621 | |
1523 | ev_start (EV_A_ (W)w, 1); |
1622 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1540 | |
1639 | |
1541 | void |
1640 | void |
1542 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1641 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1543 | { |
1642 | { |
1544 | ev_clear_pending (EV_A_ (W)w); |
1643 | ev_clear_pending (EV_A_ (W)w); |
1545 | if (!ev_is_active (w)) |
1644 | if (expect_false (!ev_is_active (w))) |
1546 | return; |
1645 | return; |
1547 | |
1646 | |
1548 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1647 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1549 | ev_stop (EV_A_ (W)w); |
1648 | ev_stop (EV_A_ (W)w); |
1550 | |
1649 | |
… | |
… | |
1554 | |
1653 | |
1555 | void |
1654 | void |
1556 | ev_child_start (EV_P_ struct ev_child *w) |
1655 | ev_child_start (EV_P_ struct ev_child *w) |
1557 | { |
1656 | { |
1558 | #if EV_MULTIPLICITY |
1657 | #if EV_MULTIPLICITY |
1559 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1658 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1560 | #endif |
1659 | #endif |
1561 | if (ev_is_active (w)) |
1660 | if (expect_false (ev_is_active (w))) |
1562 | return; |
1661 | return; |
1563 | |
1662 | |
1564 | ev_start (EV_A_ (W)w, 1); |
1663 | ev_start (EV_A_ (W)w, 1); |
1565 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1664 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1566 | } |
1665 | } |
1567 | |
1666 | |
1568 | void |
1667 | void |
1569 | ev_child_stop (EV_P_ struct ev_child *w) |
1668 | ev_child_stop (EV_P_ struct ev_child *w) |
1570 | { |
1669 | { |
1571 | ev_clear_pending (EV_A_ (W)w); |
1670 | ev_clear_pending (EV_A_ (W)w); |
1572 | if (!ev_is_active (w)) |
1671 | if (expect_false (!ev_is_active (w))) |
1573 | return; |
1672 | return; |
1574 | |
1673 | |
1575 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1674 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1576 | ev_stop (EV_A_ (W)w); |
1675 | ev_stop (EV_A_ (W)w); |
1577 | } |
1676 | } |
|
|
1677 | |
|
|
1678 | #if EV_MULTIPLICITY |
|
|
1679 | static void |
|
|
1680 | embed_cb (EV_P_ struct ev_io *io, int revents) |
|
|
1681 | { |
|
|
1682 | struct ev_embed *w = (struct ev_embed *)(((char *)io) - offsetof (struct ev_embed, io)); |
|
|
1683 | |
|
|
1684 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1685 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1686 | } |
|
|
1687 | |
|
|
1688 | void |
|
|
1689 | ev_embed_start (EV_P_ struct ev_embed *w) |
|
|
1690 | { |
|
|
1691 | if (expect_false (ev_is_active (w))) |
|
|
1692 | return; |
|
|
1693 | |
|
|
1694 | { |
|
|
1695 | struct ev_loop *loop = w->loop; |
|
|
1696 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1697 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1698 | } |
|
|
1699 | |
|
|
1700 | ev_io_start (EV_A_ &w->io); |
|
|
1701 | ev_start (EV_A_ (W)w, 1); |
|
|
1702 | } |
|
|
1703 | |
|
|
1704 | void |
|
|
1705 | ev_embed_stop (EV_P_ struct ev_embed *w) |
|
|
1706 | { |
|
|
1707 | ev_clear_pending (EV_A_ (W)w); |
|
|
1708 | if (expect_false (!ev_is_active (w))) |
|
|
1709 | return; |
|
|
1710 | |
|
|
1711 | ev_io_stop (EV_A_ &w->io); |
|
|
1712 | ev_stop (EV_A_ (W)w); |
|
|
1713 | } |
|
|
1714 | #endif |
1578 | |
1715 | |
1579 | /*****************************************************************************/ |
1716 | /*****************************************************************************/ |
1580 | |
1717 | |
1581 | struct ev_once |
1718 | struct ev_once |
1582 | { |
1719 | { |
… | |
… | |
1614 | void |
1751 | void |
1615 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1752 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1616 | { |
1753 | { |
1617 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1754 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1618 | |
1755 | |
1619 | if (!once) |
1756 | if (expect_false (!once)) |
|
|
1757 | { |
1620 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1758 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1621 | else |
1759 | return; |
1622 | { |
1760 | } |
|
|
1761 | |
1623 | once->cb = cb; |
1762 | once->cb = cb; |
1624 | once->arg = arg; |
1763 | once->arg = arg; |
1625 | |
1764 | |
1626 | ev_init (&once->io, once_cb_io); |
1765 | ev_init (&once->io, once_cb_io); |
1627 | if (fd >= 0) |
1766 | if (fd >= 0) |
1628 | { |
1767 | { |
1629 | ev_io_set (&once->io, fd, events); |
1768 | ev_io_set (&once->io, fd, events); |
1630 | ev_io_start (EV_A_ &once->io); |
1769 | ev_io_start (EV_A_ &once->io); |
1631 | } |
1770 | } |
1632 | |
1771 | |
1633 | ev_init (&once->to, once_cb_to); |
1772 | ev_init (&once->to, once_cb_to); |
1634 | if (timeout >= 0.) |
1773 | if (timeout >= 0.) |
1635 | { |
1774 | { |
1636 | ev_timer_set (&once->to, timeout, 0.); |
1775 | ev_timer_set (&once->to, timeout, 0.); |
1637 | ev_timer_start (EV_A_ &once->to); |
1776 | ev_timer_start (EV_A_ &once->to); |
1638 | } |
|
|
1639 | } |
1777 | } |
1640 | } |
1778 | } |
1641 | |
1779 | |
1642 | #ifdef __cplusplus |
1780 | #ifdef __cplusplus |
1643 | } |
1781 | } |