… | |
… | |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
30 | */ |
31 | #ifndef EV_STANDALONE |
31 | #ifndef EV_STANDALONE |
32 | # include "config.h" |
32 | # include "config.h" |
|
|
33 | |
|
|
34 | # if HAVE_CLOCK_GETTIME |
|
|
35 | # define EV_USE_MONOTONIC 1 |
|
|
36 | # define EV_USE_REALTIME 1 |
|
|
37 | # endif |
|
|
38 | |
|
|
39 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
40 | # define EV_USE_SELECT 1 |
|
|
41 | # endif |
|
|
42 | |
|
|
43 | # if HAVE_POLL && HAVE_POLL_H |
|
|
44 | # define EV_USE_POLL 1 |
|
|
45 | # endif |
|
|
46 | |
|
|
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
|
|
48 | # define EV_USE_EPOLL 1 |
|
|
49 | # endif |
|
|
50 | |
|
|
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
|
|
52 | # define EV_USE_KQUEUE 1 |
|
|
53 | # endif |
|
|
54 | |
33 | #endif |
55 | #endif |
34 | |
56 | |
35 | #include <math.h> |
57 | #include <math.h> |
36 | #include <stdlib.h> |
58 | #include <stdlib.h> |
37 | #include <unistd.h> |
59 | #include <unistd.h> |
… | |
… | |
58 | |
80 | |
59 | #ifndef EV_USE_SELECT |
81 | #ifndef EV_USE_SELECT |
60 | # define EV_USE_SELECT 1 |
82 | # define EV_USE_SELECT 1 |
61 | #endif |
83 | #endif |
62 | |
84 | |
63 | #ifndef EV_USEV_POLL |
85 | #ifndef EV_USE_POLL |
64 | # define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */ |
86 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
65 | #endif |
87 | #endif |
66 | |
88 | |
67 | #ifndef EV_USE_EPOLL |
89 | #ifndef EV_USE_EPOLL |
68 | # define EV_USE_EPOLL 0 |
90 | # define EV_USE_EPOLL 0 |
69 | #endif |
91 | #endif |
70 | |
92 | |
71 | #ifndef EV_USE_KQUEUE |
93 | #ifndef EV_USE_KQUEUE |
72 | # define EV_USE_KQUEUE 0 |
94 | # define EV_USE_KQUEUE 0 |
|
|
95 | #endif |
|
|
96 | |
|
|
97 | #ifndef EV_USE_WIN32 |
|
|
98 | # ifdef WIN32 |
|
|
99 | # define EV_USE_WIN32 1 |
|
|
100 | # else |
|
|
101 | # define EV_USE_WIN32 0 |
|
|
102 | # endif |
73 | #endif |
103 | #endif |
74 | |
104 | |
75 | #ifndef EV_USE_REALTIME |
105 | #ifndef EV_USE_REALTIME |
76 | # define EV_USE_REALTIME 1 |
106 | # define EV_USE_REALTIME 1 |
77 | #endif |
107 | #endif |
… | |
… | |
113 | |
143 | |
114 | typedef struct ev_watcher *W; |
144 | typedef struct ev_watcher *W; |
115 | typedef struct ev_watcher_list *WL; |
145 | typedef struct ev_watcher_list *WL; |
116 | typedef struct ev_watcher_time *WT; |
146 | typedef struct ev_watcher_time *WT; |
117 | |
147 | |
118 | static ev_tstamp now_floor, mn_now, diff; /* monotonic clock */ |
148 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
119 | static ev_tstamp rt_now; |
|
|
120 | static int method; |
|
|
121 | |
149 | |
122 | static int have_monotonic; /* runtime */ |
150 | /*****************************************************************************/ |
123 | |
151 | |
124 | static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */ |
152 | typedef struct |
125 | static void (*method_modify)(EV_P_ int fd, int oev, int nev); |
153 | { |
126 | static void (*method_poll)(EV_P_ ev_tstamp timeout); |
154 | struct ev_watcher_list *head; |
|
|
155 | unsigned char events; |
|
|
156 | unsigned char reify; |
|
|
157 | } ANFD; |
127 | |
158 | |
128 | static int activecnt; /* number of active events */ |
159 | typedef struct |
|
|
160 | { |
|
|
161 | W w; |
|
|
162 | int events; |
|
|
163 | } ANPENDING; |
129 | |
164 | |
130 | #if EV_USE_SELECT |
165 | #if EV_MULTIPLICITY |
131 | static unsigned char *vec_ri, *vec_ro, *vec_wi, *vec_wo; |
|
|
132 | static int vec_max; |
|
|
133 | #endif |
|
|
134 | |
166 | |
135 | #if EV_USEV_POLL |
167 | struct ev_loop |
136 | static struct pollfd *polls; |
168 | { |
137 | static int pollmax, pollcnt; |
169 | # define VAR(name,decl) decl; |
138 | static int *pollidxs; /* maps fds into structure indices */ |
170 | # include "ev_vars.h" |
139 | static int pollidxmax; |
171 | }; |
140 | #endif |
172 | # undef VAR |
|
|
173 | # include "ev_wrap.h" |
141 | |
174 | |
142 | #if EV_USE_EPOLL |
175 | #else |
143 | static int epoll_fd = -1; |
|
|
144 | |
176 | |
145 | static struct epoll_event *events; |
177 | # define VAR(name,decl) static decl; |
146 | static int eventmax; |
178 | # include "ev_vars.h" |
147 | #endif |
179 | # undef VAR |
148 | |
180 | |
149 | #if EV_USE_KQUEUE |
|
|
150 | static int kqueue_fd; |
|
|
151 | static struct kevent *kqueue_changes; |
|
|
152 | static int kqueue_changemax, kqueue_changecnt; |
|
|
153 | static struct kevent *kqueue_events; |
|
|
154 | static int kqueue_eventmax; |
|
|
155 | #endif |
181 | #endif |
156 | |
182 | |
157 | /*****************************************************************************/ |
183 | /*****************************************************************************/ |
158 | |
184 | |
159 | inline ev_tstamp |
185 | inline ev_tstamp |
… | |
… | |
208 | cur = newcnt; \ |
234 | cur = newcnt; \ |
209 | } |
235 | } |
210 | |
236 | |
211 | /*****************************************************************************/ |
237 | /*****************************************************************************/ |
212 | |
238 | |
213 | typedef struct |
|
|
214 | { |
|
|
215 | struct ev_watcher_list *head; |
|
|
216 | unsigned char events; |
|
|
217 | unsigned char reify; |
|
|
218 | } ANFD; |
|
|
219 | |
|
|
220 | static ANFD *anfds; |
|
|
221 | static int anfdmax; |
|
|
222 | |
|
|
223 | static void |
239 | static void |
224 | anfds_init (ANFD *base, int count) |
240 | anfds_init (ANFD *base, int count) |
225 | { |
241 | { |
226 | while (count--) |
242 | while (count--) |
227 | { |
243 | { |
… | |
… | |
230 | base->reify = 0; |
246 | base->reify = 0; |
231 | |
247 | |
232 | ++base; |
248 | ++base; |
233 | } |
249 | } |
234 | } |
250 | } |
235 | |
|
|
236 | typedef struct |
|
|
237 | { |
|
|
238 | W w; |
|
|
239 | int events; |
|
|
240 | } ANPENDING; |
|
|
241 | |
|
|
242 | static ANPENDING *pendings [NUMPRI]; |
|
|
243 | static int pendingmax [NUMPRI], pendingcnt [NUMPRI]; |
|
|
244 | |
251 | |
245 | static void |
252 | static void |
246 | event (EV_P_ W w, int events) |
253 | event (EV_P_ W w, int events) |
247 | { |
254 | { |
248 | if (w->pending) |
255 | if (w->pending) |
… | |
… | |
281 | } |
288 | } |
282 | } |
289 | } |
283 | |
290 | |
284 | /*****************************************************************************/ |
291 | /*****************************************************************************/ |
285 | |
292 | |
286 | static int *fdchanges; |
|
|
287 | static int fdchangemax, fdchangecnt; |
|
|
288 | |
|
|
289 | static void |
293 | static void |
290 | fd_reify (EV_P) |
294 | fd_reify (EV_P) |
291 | { |
295 | { |
292 | int i; |
296 | int i; |
293 | |
297 | |
… | |
… | |
302 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
306 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
303 | events |= w->events; |
307 | events |= w->events; |
304 | |
308 | |
305 | anfd->reify = 0; |
309 | anfd->reify = 0; |
306 | |
310 | |
307 | if (anfd->events != events) |
|
|
308 | { |
|
|
309 | method_modify (EV_A_ fd, anfd->events, events); |
311 | method_modify (EV_A_ fd, anfd->events, events); |
310 | anfd->events = events; |
312 | anfd->events = events; |
311 | } |
|
|
312 | } |
313 | } |
313 | |
314 | |
314 | fdchangecnt = 0; |
315 | fdchangecnt = 0; |
315 | } |
316 | } |
316 | |
317 | |
… | |
… | |
353 | |
354 | |
354 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
355 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
355 | static void |
356 | static void |
356 | fd_enomem (EV_P) |
357 | fd_enomem (EV_P) |
357 | { |
358 | { |
358 | int fd = anfdmax; |
359 | int fd; |
359 | |
360 | |
360 | while (fd--) |
361 | for (fd = anfdmax; fd--; ) |
361 | if (anfds [fd].events) |
362 | if (anfds [fd].events) |
362 | { |
363 | { |
363 | close (fd); |
364 | close (fd); |
364 | fd_kill (EV_A_ fd); |
365 | fd_kill (EV_A_ fd); |
365 | return; |
366 | return; |
366 | } |
367 | } |
367 | } |
368 | } |
368 | |
369 | |
|
|
370 | /* susually called after fork if method needs to re-arm all fds from scratch */ |
|
|
371 | static void |
|
|
372 | fd_rearm_all (EV_P) |
|
|
373 | { |
|
|
374 | int fd; |
|
|
375 | |
|
|
376 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
377 | for (fd = 0; fd < anfdmax; ++fd) |
|
|
378 | if (anfds [fd].events) |
|
|
379 | { |
|
|
380 | anfds [fd].events = 0; |
|
|
381 | fd_change (EV_A_ fd); |
|
|
382 | } |
|
|
383 | } |
|
|
384 | |
369 | /*****************************************************************************/ |
385 | /*****************************************************************************/ |
370 | |
386 | |
371 | static struct ev_timer **timers; |
|
|
372 | static int timermax, timercnt; |
|
|
373 | |
|
|
374 | static struct ev_periodic **periodics; |
|
|
375 | static int periodicmax, periodiccnt; |
|
|
376 | |
|
|
377 | static void |
387 | static void |
378 | upheap (WT *timers, int k) |
388 | upheap (WT *heap, int k) |
379 | { |
389 | { |
380 | WT w = timers [k]; |
390 | WT w = heap [k]; |
381 | |
391 | |
382 | while (k && timers [k >> 1]->at > w->at) |
392 | while (k && heap [k >> 1]->at > w->at) |
383 | { |
393 | { |
384 | timers [k] = timers [k >> 1]; |
394 | heap [k] = heap [k >> 1]; |
385 | timers [k]->active = k + 1; |
395 | ((W)heap [k])->active = k + 1; |
386 | k >>= 1; |
396 | k >>= 1; |
387 | } |
397 | } |
388 | |
398 | |
389 | timers [k] = w; |
399 | heap [k] = w; |
390 | timers [k]->active = k + 1; |
400 | ((W)heap [k])->active = k + 1; |
391 | |
401 | |
392 | } |
402 | } |
393 | |
403 | |
394 | static void |
404 | static void |
395 | downheap (WT *timers, int N, int k) |
405 | downheap (WT *heap, int N, int k) |
396 | { |
406 | { |
397 | WT w = timers [k]; |
407 | WT w = heap [k]; |
398 | |
408 | |
399 | while (k < (N >> 1)) |
409 | while (k < (N >> 1)) |
400 | { |
410 | { |
401 | int j = k << 1; |
411 | int j = k << 1; |
402 | |
412 | |
403 | if (j + 1 < N && timers [j]->at > timers [j + 1]->at) |
413 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
404 | ++j; |
414 | ++j; |
405 | |
415 | |
406 | if (w->at <= timers [j]->at) |
416 | if (w->at <= heap [j]->at) |
407 | break; |
417 | break; |
408 | |
418 | |
409 | timers [k] = timers [j]; |
419 | heap [k] = heap [j]; |
410 | timers [k]->active = k + 1; |
420 | ((W)heap [k])->active = k + 1; |
411 | k = j; |
421 | k = j; |
412 | } |
422 | } |
413 | |
423 | |
414 | timers [k] = w; |
424 | heap [k] = w; |
415 | timers [k]->active = k + 1; |
425 | ((W)heap [k])->active = k + 1; |
416 | } |
426 | } |
417 | |
427 | |
418 | /*****************************************************************************/ |
428 | /*****************************************************************************/ |
419 | |
429 | |
420 | typedef struct |
430 | typedef struct |
… | |
… | |
486 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
496 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
487 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
497 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
488 | #endif |
498 | #endif |
489 | |
499 | |
490 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
500 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
491 | ev_io_start (&sigev); |
501 | ev_io_start (EV_A_ &sigev); |
|
|
502 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
492 | } |
503 | } |
493 | |
504 | |
494 | /*****************************************************************************/ |
505 | /*****************************************************************************/ |
495 | |
506 | |
496 | static struct ev_idle **idles; |
507 | #ifndef WIN32 |
497 | static int idlemax, idlecnt; |
|
|
498 | |
|
|
499 | static struct ev_prepare **prepares; |
|
|
500 | static int preparemax, preparecnt; |
|
|
501 | |
|
|
502 | static struct ev_check **checks; |
|
|
503 | static int checkmax, checkcnt; |
|
|
504 | |
|
|
505 | /*****************************************************************************/ |
|
|
506 | |
508 | |
507 | static struct ev_child *childs [PID_HASHSIZE]; |
509 | static struct ev_child *childs [PID_HASHSIZE]; |
508 | static struct ev_signal childev; |
510 | static struct ev_signal childev; |
509 | |
|
|
510 | #ifndef WIN32 |
|
|
511 | |
511 | |
512 | #ifndef WCONTINUED |
512 | #ifndef WCONTINUED |
513 | # define WCONTINUED 0 |
513 | # define WCONTINUED 0 |
514 | #endif |
514 | #endif |
515 | |
515 | |
… | |
… | |
519 | struct ev_child *w; |
519 | struct ev_child *w; |
520 | |
520 | |
521 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
521 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
522 | if (w->pid == pid || !w->pid) |
522 | if (w->pid == pid || !w->pid) |
523 | { |
523 | { |
524 | w->priority = sw->priority; /* need to do it *now* */ |
524 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
525 | w->rpid = pid; |
525 | w->rpid = pid; |
526 | w->rstatus = status; |
526 | w->rstatus = status; |
527 | event (EV_A_ (W)w, EV_CHILD); |
527 | event (EV_A_ (W)w, EV_CHILD); |
528 | } |
528 | } |
529 | } |
529 | } |
530 | |
530 | |
531 | static void |
531 | static void |
… | |
… | |
551 | # include "ev_kqueue.c" |
551 | # include "ev_kqueue.c" |
552 | #endif |
552 | #endif |
553 | #if EV_USE_EPOLL |
553 | #if EV_USE_EPOLL |
554 | # include "ev_epoll.c" |
554 | # include "ev_epoll.c" |
555 | #endif |
555 | #endif |
556 | #if EV_USEV_POLL |
556 | #if EV_USE_POLL |
557 | # include "ev_poll.c" |
557 | # include "ev_poll.c" |
558 | #endif |
558 | #endif |
559 | #if EV_USE_SELECT |
559 | #if EV_USE_SELECT |
560 | # include "ev_select.c" |
560 | # include "ev_select.c" |
561 | #endif |
561 | #endif |
… | |
… | |
588 | ev_method (EV_P) |
588 | ev_method (EV_P) |
589 | { |
589 | { |
590 | return method; |
590 | return method; |
591 | } |
591 | } |
592 | |
592 | |
593 | int |
593 | static void |
594 | ev_init (EV_P_ int methods) |
594 | loop_init (EV_P_ int methods) |
595 | { |
595 | { |
596 | if (!method) |
596 | if (!method) |
597 | { |
597 | { |
598 | #if EV_USE_MONOTONIC |
598 | #if EV_USE_MONOTONIC |
599 | { |
599 | { |
… | |
… | |
604 | #endif |
604 | #endif |
605 | |
605 | |
606 | rt_now = ev_time (); |
606 | rt_now = ev_time (); |
607 | mn_now = get_clock (); |
607 | mn_now = get_clock (); |
608 | now_floor = mn_now; |
608 | now_floor = mn_now; |
609 | diff = rt_now - mn_now; |
609 | rtmn_diff = rt_now - mn_now; |
610 | |
|
|
611 | if (pipe (sigpipe)) |
|
|
612 | return 0; |
|
|
613 | |
610 | |
614 | if (methods == EVMETHOD_AUTO) |
611 | if (methods == EVMETHOD_AUTO) |
615 | if (!enable_secure () && getenv ("LIBmethodS")) |
612 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
616 | methods = atoi (getenv ("LIBmethodS")); |
613 | methods = atoi (getenv ("LIBEV_METHODS")); |
617 | else |
614 | else |
618 | methods = EVMETHOD_ANY; |
615 | methods = EVMETHOD_ANY; |
619 | |
616 | |
620 | method = 0; |
617 | method = 0; |
|
|
618 | #if EV_USE_WIN32 |
|
|
619 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
|
|
620 | #endif |
621 | #if EV_USE_KQUEUE |
621 | #if EV_USE_KQUEUE |
622 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
622 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
623 | #endif |
623 | #endif |
624 | #if EV_USE_EPOLL |
624 | #if EV_USE_EPOLL |
625 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
625 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
626 | #endif |
626 | #endif |
627 | #if EV_USEV_POLL |
627 | #if EV_USE_POLL |
628 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
628 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
629 | #endif |
629 | #endif |
630 | #if EV_USE_SELECT |
630 | #if EV_USE_SELECT |
631 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
631 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
632 | #endif |
632 | #endif |
|
|
633 | } |
|
|
634 | } |
633 | |
635 | |
|
|
636 | void |
|
|
637 | loop_destroy (EV_P) |
|
|
638 | { |
|
|
639 | #if EV_USE_WIN32 |
|
|
640 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
|
|
641 | #endif |
|
|
642 | #if EV_USE_KQUEUE |
|
|
643 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
|
|
644 | #endif |
|
|
645 | #if EV_USE_EPOLL |
|
|
646 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
|
|
647 | #endif |
|
|
648 | #if EV_USE_POLL |
|
|
649 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
|
|
650 | #endif |
|
|
651 | #if EV_USE_SELECT |
|
|
652 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
|
|
653 | #endif |
|
|
654 | |
|
|
655 | method = 0; |
|
|
656 | /*TODO*/ |
|
|
657 | } |
|
|
658 | |
|
|
659 | void |
|
|
660 | loop_fork (EV_P) |
|
|
661 | { |
|
|
662 | /*TODO*/ |
|
|
663 | #if EV_USE_EPOLL |
|
|
664 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
|
|
665 | #endif |
|
|
666 | #if EV_USE_KQUEUE |
|
|
667 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
668 | #endif |
|
|
669 | } |
|
|
670 | |
|
|
671 | #if EV_MULTIPLICITY |
|
|
672 | struct ev_loop * |
|
|
673 | ev_loop_new (int methods) |
|
|
674 | { |
|
|
675 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
|
|
676 | |
|
|
677 | loop_init (EV_A_ methods); |
|
|
678 | |
|
|
679 | if (ev_method (EV_A)) |
|
|
680 | return loop; |
|
|
681 | |
|
|
682 | return 0; |
|
|
683 | } |
|
|
684 | |
|
|
685 | void |
|
|
686 | ev_loop_destroy (EV_P) |
|
|
687 | { |
|
|
688 | loop_destroy (EV_A); |
|
|
689 | free (loop); |
|
|
690 | } |
|
|
691 | |
|
|
692 | void |
|
|
693 | ev_loop_fork (EV_P) |
|
|
694 | { |
|
|
695 | loop_fork (EV_A); |
|
|
696 | } |
|
|
697 | |
|
|
698 | #endif |
|
|
699 | |
|
|
700 | #if EV_MULTIPLICITY |
|
|
701 | struct ev_loop default_loop_struct; |
|
|
702 | static struct ev_loop *default_loop; |
|
|
703 | |
|
|
704 | struct ev_loop * |
|
|
705 | #else |
|
|
706 | static int default_loop; |
|
|
707 | |
|
|
708 | int |
|
|
709 | #endif |
|
|
710 | ev_default_loop (int methods) |
|
|
711 | { |
|
|
712 | if (sigpipe [0] == sigpipe [1]) |
|
|
713 | if (pipe (sigpipe)) |
|
|
714 | return 0; |
|
|
715 | |
|
|
716 | if (!default_loop) |
|
|
717 | { |
|
|
718 | #if EV_MULTIPLICITY |
|
|
719 | struct ev_loop *loop = default_loop = &default_loop_struct; |
|
|
720 | #else |
|
|
721 | default_loop = 1; |
|
|
722 | #endif |
|
|
723 | |
|
|
724 | loop_init (EV_A_ methods); |
|
|
725 | |
634 | if (method) |
726 | if (ev_method (EV_A)) |
635 | { |
727 | { |
636 | ev_watcher_init (&sigev, sigcb); |
728 | ev_watcher_init (&sigev, sigcb); |
637 | ev_set_priority (&sigev, EV_MAXPRI); |
729 | ev_set_priority (&sigev, EV_MAXPRI); |
638 | siginit (EV_A); |
730 | siginit (EV_A); |
639 | |
731 | |
640 | #ifndef WIN32 |
732 | #ifndef WIN32 |
641 | ev_signal_init (&childev, childcb, SIGCHLD); |
733 | ev_signal_init (&childev, childcb, SIGCHLD); |
642 | ev_set_priority (&childev, EV_MAXPRI); |
734 | ev_set_priority (&childev, EV_MAXPRI); |
643 | ev_signal_start (EV_A_ &childev); |
735 | ev_signal_start (EV_A_ &childev); |
|
|
736 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
644 | #endif |
737 | #endif |
645 | } |
738 | } |
|
|
739 | else |
|
|
740 | default_loop = 0; |
646 | } |
741 | } |
647 | |
742 | |
648 | return method; |
743 | return default_loop; |
649 | } |
744 | } |
650 | |
745 | |
651 | /*****************************************************************************/ |
|
|
652 | |
|
|
653 | void |
746 | void |
654 | ev_fork_prepare (void) |
747 | ev_default_destroy (void) |
655 | { |
748 | { |
656 | /* nop */ |
749 | #if EV_MULTIPLICITY |
657 | } |
750 | struct ev_loop *loop = default_loop; |
658 | |
|
|
659 | void |
|
|
660 | ev_fork_parent (void) |
|
|
661 | { |
|
|
662 | /* nop */ |
|
|
663 | } |
|
|
664 | |
|
|
665 | void |
|
|
666 | ev_fork_child (void) |
|
|
667 | { |
|
|
668 | #if EV_USE_EPOLL |
|
|
669 | if (method == EVMETHOD_EPOLL) |
|
|
670 | epoll_postfork_child (); |
|
|
671 | #endif |
751 | #endif |
672 | |
752 | |
|
|
753 | ev_ref (EV_A); /* child watcher */ |
|
|
754 | ev_signal_stop (EV_A_ &childev); |
|
|
755 | |
|
|
756 | ev_ref (EV_A); /* signal watcher */ |
673 | ev_io_stop (&sigev); |
757 | ev_io_stop (EV_A_ &sigev); |
|
|
758 | |
|
|
759 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
760 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
761 | |
|
|
762 | loop_destroy (EV_A); |
|
|
763 | } |
|
|
764 | |
|
|
765 | void |
|
|
766 | ev_default_fork (void) |
|
|
767 | { |
|
|
768 | #if EV_MULTIPLICITY |
|
|
769 | struct ev_loop *loop = default_loop; |
|
|
770 | #endif |
|
|
771 | |
|
|
772 | loop_fork (EV_A); |
|
|
773 | |
|
|
774 | ev_io_stop (EV_A_ &sigev); |
674 | close (sigpipe [0]); |
775 | close (sigpipe [0]); |
675 | close (sigpipe [1]); |
776 | close (sigpipe [1]); |
676 | pipe (sigpipe); |
777 | pipe (sigpipe); |
|
|
778 | |
|
|
779 | ev_ref (EV_A); /* signal watcher */ |
677 | siginit (); |
780 | siginit (EV_A); |
678 | } |
781 | } |
679 | |
782 | |
680 | /*****************************************************************************/ |
783 | /*****************************************************************************/ |
681 | |
784 | |
682 | static void |
785 | static void |
… | |
… | |
690 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
793 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
691 | |
794 | |
692 | if (p->w) |
795 | if (p->w) |
693 | { |
796 | { |
694 | p->w->pending = 0; |
797 | p->w->pending = 0; |
|
|
798 | |
695 | p->w->cb (EV_A_ p->w, p->events); |
799 | (*(void (**)(EV_P_ W, int))&p->w->cb) (EV_A_ p->w, p->events); |
696 | } |
800 | } |
697 | } |
801 | } |
698 | } |
802 | } |
699 | |
803 | |
700 | static void |
804 | static void |
701 | timers_reify (EV_P) |
805 | timers_reify (EV_P) |
702 | { |
806 | { |
703 | while (timercnt && timers [0]->at <= mn_now) |
807 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
704 | { |
808 | { |
705 | struct ev_timer *w = timers [0]; |
809 | struct ev_timer *w = timers [0]; |
|
|
810 | |
|
|
811 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
706 | |
812 | |
707 | /* first reschedule or stop timer */ |
813 | /* first reschedule or stop timer */ |
708 | if (w->repeat) |
814 | if (w->repeat) |
709 | { |
815 | { |
710 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
816 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
711 | w->at = mn_now + w->repeat; |
817 | ((WT)w)->at = mn_now + w->repeat; |
712 | downheap ((WT *)timers, timercnt, 0); |
818 | downheap ((WT *)timers, timercnt, 0); |
713 | } |
819 | } |
714 | else |
820 | else |
715 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
821 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
716 | |
822 | |
717 | event ((W)w, EV_TIMEOUT); |
823 | event (EV_A_ (W)w, EV_TIMEOUT); |
718 | } |
824 | } |
719 | } |
825 | } |
720 | |
826 | |
721 | static void |
827 | static void |
722 | periodics_reify (EV_P) |
828 | periodics_reify (EV_P) |
723 | { |
829 | { |
724 | while (periodiccnt && periodics [0]->at <= rt_now) |
830 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
725 | { |
831 | { |
726 | struct ev_periodic *w = periodics [0]; |
832 | struct ev_periodic *w = periodics [0]; |
|
|
833 | |
|
|
834 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
727 | |
835 | |
728 | /* first reschedule or stop timer */ |
836 | /* first reschedule or stop timer */ |
729 | if (w->interval) |
837 | if (w->interval) |
730 | { |
838 | { |
731 | w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; |
839 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
732 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); |
840 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
733 | downheap ((WT *)periodics, periodiccnt, 0); |
841 | downheap ((WT *)periodics, periodiccnt, 0); |
734 | } |
842 | } |
735 | else |
843 | else |
736 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
844 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
737 | |
845 | |
738 | event (EV_A_ (W)w, EV_PERIODIC); |
846 | event (EV_A_ (W)w, EV_PERIODIC); |
739 | } |
847 | } |
740 | } |
848 | } |
741 | |
849 | |
742 | static void |
850 | static void |
743 | periodics_reschedule (EV_P_ ev_tstamp diff) |
851 | periodics_reschedule (EV_P) |
744 | { |
852 | { |
745 | int i; |
853 | int i; |
746 | |
854 | |
747 | /* adjust periodics after time jump */ |
855 | /* adjust periodics after time jump */ |
748 | for (i = 0; i < periodiccnt; ++i) |
856 | for (i = 0; i < periodiccnt; ++i) |
749 | { |
857 | { |
750 | struct ev_periodic *w = periodics [i]; |
858 | struct ev_periodic *w = periodics [i]; |
751 | |
859 | |
752 | if (w->interval) |
860 | if (w->interval) |
753 | { |
861 | { |
754 | ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; |
862 | ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
755 | |
863 | |
756 | if (fabs (diff) >= 1e-4) |
864 | if (fabs (diff) >= 1e-4) |
757 | { |
865 | { |
758 | ev_periodic_stop (EV_A_ w); |
866 | ev_periodic_stop (EV_A_ w); |
759 | ev_periodic_start (EV_A_ w); |
867 | ev_periodic_start (EV_A_ w); |
… | |
… | |
769 | { |
877 | { |
770 | mn_now = get_clock (); |
878 | mn_now = get_clock (); |
771 | |
879 | |
772 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
880 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
773 | { |
881 | { |
774 | rt_now = mn_now + diff; |
882 | rt_now = rtmn_diff + mn_now; |
775 | return 0; |
883 | return 0; |
776 | } |
884 | } |
777 | else |
885 | else |
778 | { |
886 | { |
779 | now_floor = mn_now; |
887 | now_floor = mn_now; |
… | |
… | |
790 | #if EV_USE_MONOTONIC |
898 | #if EV_USE_MONOTONIC |
791 | if (expect_true (have_monotonic)) |
899 | if (expect_true (have_monotonic)) |
792 | { |
900 | { |
793 | if (time_update_monotonic (EV_A)) |
901 | if (time_update_monotonic (EV_A)) |
794 | { |
902 | { |
795 | ev_tstamp odiff = diff; |
903 | ev_tstamp odiff = rtmn_diff; |
796 | |
904 | |
797 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
905 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
798 | { |
906 | { |
799 | diff = rt_now - mn_now; |
907 | rtmn_diff = rt_now - mn_now; |
800 | |
908 | |
801 | if (fabs (odiff - diff) < MIN_TIMEJUMP) |
909 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
802 | return; /* all is well */ |
910 | return; /* all is well */ |
803 | |
911 | |
804 | rt_now = ev_time (); |
912 | rt_now = ev_time (); |
805 | mn_now = get_clock (); |
913 | mn_now = get_clock (); |
806 | now_floor = mn_now; |
914 | now_floor = mn_now; |
807 | } |
915 | } |
808 | |
916 | |
809 | periodics_reschedule (EV_A_ diff - odiff); |
917 | periodics_reschedule (EV_A); |
810 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
918 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
919 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
811 | } |
920 | } |
812 | } |
921 | } |
813 | else |
922 | else |
814 | #endif |
923 | #endif |
815 | { |
924 | { |
816 | rt_now = ev_time (); |
925 | rt_now = ev_time (); |
817 | |
926 | |
818 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
927 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
819 | { |
928 | { |
820 | periodics_reschedule (EV_A_ rt_now - mn_now); |
929 | periodics_reschedule (EV_A); |
821 | |
930 | |
822 | /* adjust timers. this is easy, as the offset is the same for all */ |
931 | /* adjust timers. this is easy, as the offset is the same for all */ |
823 | for (i = 0; i < timercnt; ++i) |
932 | for (i = 0; i < timercnt; ++i) |
824 | timers [i]->at += diff; |
933 | ((WT)timers [i])->at += rt_now - mn_now; |
825 | } |
934 | } |
826 | |
935 | |
827 | mn_now = rt_now; |
936 | mn_now = rt_now; |
828 | } |
937 | } |
829 | } |
938 | } |
… | |
… | |
880 | { |
989 | { |
881 | block = MAX_BLOCKTIME; |
990 | block = MAX_BLOCKTIME; |
882 | |
991 | |
883 | if (timercnt) |
992 | if (timercnt) |
884 | { |
993 | { |
885 | ev_tstamp to = timers [0]->at - mn_now + method_fudge; |
994 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
886 | if (block > to) block = to; |
995 | if (block > to) block = to; |
887 | } |
996 | } |
888 | |
997 | |
889 | if (periodiccnt) |
998 | if (periodiccnt) |
890 | { |
999 | { |
891 | ev_tstamp to = periodics [0]->at - rt_now + method_fudge; |
1000 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
892 | if (block > to) block = to; |
1001 | if (block > to) block = to; |
893 | } |
1002 | } |
894 | |
1003 | |
895 | if (block < 0.) block = 0.; |
1004 | if (block < 0.) block = 0.; |
896 | } |
1005 | } |
… | |
… | |
911 | /* queue check watchers, to be executed first */ |
1020 | /* queue check watchers, to be executed first */ |
912 | if (checkcnt) |
1021 | if (checkcnt) |
913 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1022 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
914 | |
1023 | |
915 | call_pending (EV_A); |
1024 | call_pending (EV_A); |
916 | printf ("activecnt %d\n", activecnt);//D |
|
|
917 | } |
1025 | } |
918 | while (activecnt && !loop_done); |
1026 | while (activecnt && !loop_done); |
919 | |
1027 | |
920 | if (loop_done != 2) |
1028 | if (loop_done != 2) |
921 | loop_done = 0; |
1029 | loop_done = 0; |
… | |
… | |
1014 | ev_timer_start (EV_P_ struct ev_timer *w) |
1122 | ev_timer_start (EV_P_ struct ev_timer *w) |
1015 | { |
1123 | { |
1016 | if (ev_is_active (w)) |
1124 | if (ev_is_active (w)) |
1017 | return; |
1125 | return; |
1018 | |
1126 | |
1019 | w->at += mn_now; |
1127 | ((WT)w)->at += mn_now; |
1020 | |
1128 | |
1021 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1129 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1022 | |
1130 | |
1023 | ev_start (EV_A_ (W)w, ++timercnt); |
1131 | ev_start (EV_A_ (W)w, ++timercnt); |
1024 | array_needsize (timers, timermax, timercnt, ); |
1132 | array_needsize (timers, timermax, timercnt, ); |
1025 | timers [timercnt - 1] = w; |
1133 | timers [timercnt - 1] = w; |
1026 | upheap ((WT *)timers, timercnt - 1); |
1134 | upheap ((WT *)timers, timercnt - 1); |
|
|
1135 | |
|
|
1136 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1027 | } |
1137 | } |
1028 | |
1138 | |
1029 | void |
1139 | void |
1030 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1140 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1031 | { |
1141 | { |
1032 | ev_clear_pending (EV_A_ (W)w); |
1142 | ev_clear_pending (EV_A_ (W)w); |
1033 | if (!ev_is_active (w)) |
1143 | if (!ev_is_active (w)) |
1034 | return; |
1144 | return; |
1035 | |
1145 | |
|
|
1146 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
|
|
1147 | |
1036 | if (w->active < timercnt--) |
1148 | if (((W)w)->active < timercnt--) |
1037 | { |
1149 | { |
1038 | timers [w->active - 1] = timers [timercnt]; |
1150 | timers [((W)w)->active - 1] = timers [timercnt]; |
1039 | downheap ((WT *)timers, timercnt, w->active - 1); |
1151 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1040 | } |
1152 | } |
1041 | |
1153 | |
1042 | w->at = w->repeat; |
1154 | ((WT)w)->at = w->repeat; |
1043 | |
1155 | |
1044 | ev_stop (EV_A_ (W)w); |
1156 | ev_stop (EV_A_ (W)w); |
1045 | } |
1157 | } |
1046 | |
1158 | |
1047 | void |
1159 | void |
… | |
… | |
1049 | { |
1161 | { |
1050 | if (ev_is_active (w)) |
1162 | if (ev_is_active (w)) |
1051 | { |
1163 | { |
1052 | if (w->repeat) |
1164 | if (w->repeat) |
1053 | { |
1165 | { |
1054 | w->at = mn_now + w->repeat; |
1166 | ((WT)w)->at = mn_now + w->repeat; |
1055 | downheap ((WT *)timers, timercnt, w->active - 1); |
1167 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1056 | } |
1168 | } |
1057 | else |
1169 | else |
1058 | ev_timer_stop (EV_A_ w); |
1170 | ev_timer_stop (EV_A_ w); |
1059 | } |
1171 | } |
1060 | else if (w->repeat) |
1172 | else if (w->repeat) |
… | |
… | |
1069 | |
1181 | |
1070 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1182 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1071 | |
1183 | |
1072 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1184 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1073 | if (w->interval) |
1185 | if (w->interval) |
1074 | w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; |
1186 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1075 | |
1187 | |
1076 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1188 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1077 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1189 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1078 | periodics [periodiccnt - 1] = w; |
1190 | periodics [periodiccnt - 1] = w; |
1079 | upheap ((WT *)periodics, periodiccnt - 1); |
1191 | upheap ((WT *)periodics, periodiccnt - 1); |
|
|
1192 | |
|
|
1193 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1080 | } |
1194 | } |
1081 | |
1195 | |
1082 | void |
1196 | void |
1083 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1197 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1084 | { |
1198 | { |
1085 | ev_clear_pending (EV_A_ (W)w); |
1199 | ev_clear_pending (EV_A_ (W)w); |
1086 | if (!ev_is_active (w)) |
1200 | if (!ev_is_active (w)) |
1087 | return; |
1201 | return; |
1088 | |
1202 | |
|
|
1203 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
|
|
1204 | |
1089 | if (w->active < periodiccnt--) |
1205 | if (((W)w)->active < periodiccnt--) |
1090 | { |
1206 | { |
1091 | periodics [w->active - 1] = periodics [periodiccnt]; |
1207 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1092 | downheap ((WT *)periodics, periodiccnt, w->active - 1); |
1208 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1093 | } |
1209 | } |
1094 | |
1210 | |
|
|
1211 | ev_stop (EV_A_ (W)w); |
|
|
1212 | } |
|
|
1213 | |
|
|
1214 | void |
|
|
1215 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1216 | { |
|
|
1217 | if (ev_is_active (w)) |
|
|
1218 | return; |
|
|
1219 | |
|
|
1220 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1221 | array_needsize (idles, idlemax, idlecnt, ); |
|
|
1222 | idles [idlecnt - 1] = w; |
|
|
1223 | } |
|
|
1224 | |
|
|
1225 | void |
|
|
1226 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1227 | { |
|
|
1228 | ev_clear_pending (EV_A_ (W)w); |
|
|
1229 | if (ev_is_active (w)) |
|
|
1230 | return; |
|
|
1231 | |
|
|
1232 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1233 | ev_stop (EV_A_ (W)w); |
|
|
1234 | } |
|
|
1235 | |
|
|
1236 | void |
|
|
1237 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1238 | { |
|
|
1239 | if (ev_is_active (w)) |
|
|
1240 | return; |
|
|
1241 | |
|
|
1242 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1243 | array_needsize (prepares, preparemax, preparecnt, ); |
|
|
1244 | prepares [preparecnt - 1] = w; |
|
|
1245 | } |
|
|
1246 | |
|
|
1247 | void |
|
|
1248 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1249 | { |
|
|
1250 | ev_clear_pending (EV_A_ (W)w); |
|
|
1251 | if (ev_is_active (w)) |
|
|
1252 | return; |
|
|
1253 | |
|
|
1254 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1255 | ev_stop (EV_A_ (W)w); |
|
|
1256 | } |
|
|
1257 | |
|
|
1258 | void |
|
|
1259 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1260 | { |
|
|
1261 | if (ev_is_active (w)) |
|
|
1262 | return; |
|
|
1263 | |
|
|
1264 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1265 | array_needsize (checks, checkmax, checkcnt, ); |
|
|
1266 | checks [checkcnt - 1] = w; |
|
|
1267 | } |
|
|
1268 | |
|
|
1269 | void |
|
|
1270 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1271 | { |
|
|
1272 | ev_clear_pending (EV_A_ (W)w); |
|
|
1273 | if (ev_is_active (w)) |
|
|
1274 | return; |
|
|
1275 | |
|
|
1276 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1095 | ev_stop (EV_A_ (W)w); |
1277 | ev_stop (EV_A_ (W)w); |
1096 | } |
1278 | } |
1097 | |
1279 | |
1098 | #ifndef SA_RESTART |
1280 | #ifndef SA_RESTART |
1099 | # define SA_RESTART 0 |
1281 | # define SA_RESTART 0 |
1100 | #endif |
1282 | #endif |
1101 | |
1283 | |
1102 | void |
1284 | void |
1103 | ev_signal_start (EV_P_ struct ev_signal *w) |
1285 | ev_signal_start (EV_P_ struct ev_signal *w) |
1104 | { |
1286 | { |
|
|
1287 | #if EV_MULTIPLICITY |
|
|
1288 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
|
|
1289 | #endif |
1105 | if (ev_is_active (w)) |
1290 | if (ev_is_active (w)) |
1106 | return; |
1291 | return; |
1107 | |
1292 | |
1108 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1293 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1109 | |
1294 | |
1110 | ev_start (EV_A_ (W)w, 1); |
1295 | ev_start (EV_A_ (W)w, 1); |
1111 | array_needsize (signals, signalmax, w->signum, signals_init); |
1296 | array_needsize (signals, signalmax, w->signum, signals_init); |
1112 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1297 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1113 | |
1298 | |
1114 | if (!w->next) |
1299 | if (!((WL)w)->next) |
1115 | { |
1300 | { |
1116 | struct sigaction sa; |
1301 | struct sigaction sa; |
1117 | sa.sa_handler = sighandler; |
1302 | sa.sa_handler = sighandler; |
1118 | sigfillset (&sa.sa_mask); |
1303 | sigfillset (&sa.sa_mask); |
1119 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1304 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
… | |
… | |
1134 | if (!signals [w->signum - 1].head) |
1319 | if (!signals [w->signum - 1].head) |
1135 | signal (w->signum, SIG_DFL); |
1320 | signal (w->signum, SIG_DFL); |
1136 | } |
1321 | } |
1137 | |
1322 | |
1138 | void |
1323 | void |
1139 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1140 | { |
|
|
1141 | if (ev_is_active (w)) |
|
|
1142 | return; |
|
|
1143 | |
|
|
1144 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1145 | array_needsize (idles, idlemax, idlecnt, ); |
|
|
1146 | idles [idlecnt - 1] = w; |
|
|
1147 | } |
|
|
1148 | |
|
|
1149 | void |
|
|
1150 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1151 | { |
|
|
1152 | ev_clear_pending (EV_A_ (W)w); |
|
|
1153 | if (ev_is_active (w)) |
|
|
1154 | return; |
|
|
1155 | |
|
|
1156 | idles [w->active - 1] = idles [--idlecnt]; |
|
|
1157 | ev_stop (EV_A_ (W)w); |
|
|
1158 | } |
|
|
1159 | |
|
|
1160 | void |
|
|
1161 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1162 | { |
|
|
1163 | if (ev_is_active (w)) |
|
|
1164 | return; |
|
|
1165 | |
|
|
1166 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1167 | array_needsize (prepares, preparemax, preparecnt, ); |
|
|
1168 | prepares [preparecnt - 1] = w; |
|
|
1169 | } |
|
|
1170 | |
|
|
1171 | void |
|
|
1172 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1173 | { |
|
|
1174 | ev_clear_pending (EV_A_ (W)w); |
|
|
1175 | if (ev_is_active (w)) |
|
|
1176 | return; |
|
|
1177 | |
|
|
1178 | prepares [w->active - 1] = prepares [--preparecnt]; |
|
|
1179 | ev_stop (EV_A_ (W)w); |
|
|
1180 | } |
|
|
1181 | |
|
|
1182 | void |
|
|
1183 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1184 | { |
|
|
1185 | if (ev_is_active (w)) |
|
|
1186 | return; |
|
|
1187 | |
|
|
1188 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1189 | array_needsize (checks, checkmax, checkcnt, ); |
|
|
1190 | checks [checkcnt - 1] = w; |
|
|
1191 | } |
|
|
1192 | |
|
|
1193 | void |
|
|
1194 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1195 | { |
|
|
1196 | ev_clear_pending (EV_A_ (W)w); |
|
|
1197 | if (ev_is_active (w)) |
|
|
1198 | return; |
|
|
1199 | |
|
|
1200 | checks [w->active - 1] = checks [--checkcnt]; |
|
|
1201 | ev_stop (EV_A_ (W)w); |
|
|
1202 | } |
|
|
1203 | |
|
|
1204 | void |
|
|
1205 | ev_child_start (EV_P_ struct ev_child *w) |
1324 | ev_child_start (EV_P_ struct ev_child *w) |
1206 | { |
1325 | { |
|
|
1326 | #if EV_MULTIPLICITY |
|
|
1327 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
|
|
1328 | #endif |
1207 | if (ev_is_active (w)) |
1329 | if (ev_is_active (w)) |
1208 | return; |
1330 | return; |
1209 | |
1331 | |
1210 | ev_start (EV_A_ (W)w, 1); |
1332 | ev_start (EV_A_ (W)w, 1); |
1211 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1333 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
… | |
… | |
1283 | ev_timer_start (EV_A_ &once->to); |
1405 | ev_timer_start (EV_A_ &once->to); |
1284 | } |
1406 | } |
1285 | } |
1407 | } |
1286 | } |
1408 | } |
1287 | |
1409 | |
1288 | /*****************************************************************************/ |
|
|
1289 | |
|
|
1290 | #if 0 |
|
|
1291 | |
|
|
1292 | struct ev_io wio; |
|
|
1293 | |
|
|
1294 | static void |
|
|
1295 | sin_cb (struct ev_io *w, int revents) |
|
|
1296 | { |
|
|
1297 | fprintf (stderr, "sin %d, revents %d\n", w->fd, revents); |
|
|
1298 | } |
|
|
1299 | |
|
|
1300 | static void |
|
|
1301 | ocb (struct ev_timer *w, int revents) |
|
|
1302 | { |
|
|
1303 | //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); |
|
|
1304 | ev_timer_stop (w); |
|
|
1305 | ev_timer_start (w); |
|
|
1306 | } |
|
|
1307 | |
|
|
1308 | static void |
|
|
1309 | scb (struct ev_signal *w, int revents) |
|
|
1310 | { |
|
|
1311 | fprintf (stderr, "signal %x,%d\n", revents, w->signum); |
|
|
1312 | ev_io_stop (&wio); |
|
|
1313 | ev_io_start (&wio); |
|
|
1314 | } |
|
|
1315 | |
|
|
1316 | static void |
|
|
1317 | gcb (struct ev_signal *w, int revents) |
|
|
1318 | { |
|
|
1319 | fprintf (stderr, "generic %x\n", revents); |
|
|
1320 | |
|
|
1321 | } |
|
|
1322 | |
|
|
1323 | int main (void) |
|
|
1324 | { |
|
|
1325 | ev_init (0); |
|
|
1326 | |
|
|
1327 | ev_io_init (&wio, sin_cb, 0, EV_READ); |
|
|
1328 | ev_io_start (&wio); |
|
|
1329 | |
|
|
1330 | struct ev_timer t[10000]; |
|
|
1331 | |
|
|
1332 | #if 0 |
|
|
1333 | int i; |
|
|
1334 | for (i = 0; i < 10000; ++i) |
|
|
1335 | { |
|
|
1336 | struct ev_timer *w = t + i; |
|
|
1337 | ev_watcher_init (w, ocb, i); |
|
|
1338 | ev_timer_init_abs (w, ocb, drand48 (), 0.99775533); |
|
|
1339 | ev_timer_start (w); |
|
|
1340 | if (drand48 () < 0.5) |
|
|
1341 | ev_timer_stop (w); |
|
|
1342 | } |
|
|
1343 | #endif |
|
|
1344 | |
|
|
1345 | struct ev_timer t1; |
|
|
1346 | ev_timer_init (&t1, ocb, 5, 10); |
|
|
1347 | ev_timer_start (&t1); |
|
|
1348 | |
|
|
1349 | struct ev_signal sig; |
|
|
1350 | ev_signal_init (&sig, scb, SIGQUIT); |
|
|
1351 | ev_signal_start (&sig); |
|
|
1352 | |
|
|
1353 | struct ev_check cw; |
|
|
1354 | ev_check_init (&cw, gcb); |
|
|
1355 | ev_check_start (&cw); |
|
|
1356 | |
|
|
1357 | struct ev_idle iw; |
|
|
1358 | ev_idle_init (&iw, gcb); |
|
|
1359 | ev_idle_start (&iw); |
|
|
1360 | |
|
|
1361 | ev_loop (0); |
|
|
1362 | |
|
|
1363 | return 0; |
|
|
1364 | } |
|
|
1365 | |
|
|
1366 | #endif |
|
|
1367 | |
|
|
1368 | |
|
|
1369 | |
|
|
1370 | |
|
|