… | |
… | |
54 | |
54 | |
55 | #endif |
55 | #endif |
56 | |
56 | |
57 | #include <math.h> |
57 | #include <math.h> |
58 | #include <stdlib.h> |
58 | #include <stdlib.h> |
59 | #include <unistd.h> |
|
|
60 | #include <fcntl.h> |
59 | #include <fcntl.h> |
61 | #include <signal.h> |
|
|
62 | #include <stddef.h> |
60 | #include <stddef.h> |
63 | |
61 | |
64 | #include <stdio.h> |
62 | #include <stdio.h> |
65 | |
63 | |
66 | #include <assert.h> |
64 | #include <assert.h> |
67 | #include <errno.h> |
65 | #include <errno.h> |
68 | #include <sys/types.h> |
66 | #include <sys/types.h> |
|
|
67 | #include <time.h> |
|
|
68 | |
|
|
69 | #include <signal.h> |
|
|
70 | |
69 | #ifndef WIN32 |
71 | #ifndef WIN32 |
|
|
72 | # include <unistd.h> |
|
|
73 | # include <sys/time.h> |
70 | # include <sys/wait.h> |
74 | # include <sys/wait.h> |
71 | #endif |
75 | #endif |
72 | #include <sys/time.h> |
|
|
73 | #include <time.h> |
|
|
74 | |
|
|
75 | /**/ |
76 | /**/ |
76 | |
77 | |
77 | #ifndef EV_USE_MONOTONIC |
78 | #ifndef EV_USE_MONOTONIC |
78 | # define EV_USE_MONOTONIC 1 |
79 | # define EV_USE_MONOTONIC 1 |
79 | #endif |
80 | #endif |
… | |
… | |
94 | # define EV_USE_KQUEUE 0 |
95 | # define EV_USE_KQUEUE 0 |
95 | #endif |
96 | #endif |
96 | |
97 | |
97 | #ifndef EV_USE_WIN32 |
98 | #ifndef EV_USE_WIN32 |
98 | # ifdef WIN32 |
99 | # ifdef WIN32 |
|
|
100 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
101 | # undef EV_USE_SELECT |
99 | # define EV_USE_WIN32 1 |
102 | # define EV_USE_SELECT 1 |
100 | # else |
103 | # else |
101 | # define EV_USE_WIN32 0 |
104 | # define EV_USE_WIN32 0 |
102 | # endif |
105 | # endif |
103 | #endif |
106 | #endif |
104 | |
107 | |
… | |
… | |
145 | typedef struct ev_watcher_list *WL; |
148 | typedef struct ev_watcher_list *WL; |
146 | typedef struct ev_watcher_time *WT; |
149 | typedef struct ev_watcher_time *WT; |
147 | |
150 | |
148 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
151 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
149 | |
152 | |
|
|
153 | #include "ev_win32.c" |
|
|
154 | |
150 | /*****************************************************************************/ |
155 | /*****************************************************************************/ |
151 | |
156 | |
|
|
157 | static void (*syserr_cb)(const char *msg); |
|
|
158 | |
|
|
159 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
|
|
160 | { |
|
|
161 | syserr_cb = cb; |
|
|
162 | } |
|
|
163 | |
|
|
164 | static void |
|
|
165 | syserr (const char *msg) |
|
|
166 | { |
|
|
167 | if (!msg) |
|
|
168 | msg = "(libev) system error"; |
|
|
169 | |
|
|
170 | if (syserr_cb) |
|
|
171 | syserr_cb (msg); |
|
|
172 | else |
|
|
173 | { |
|
|
174 | perror (msg); |
|
|
175 | abort (); |
|
|
176 | } |
|
|
177 | } |
|
|
178 | |
|
|
179 | static void *(*alloc)(void *ptr, long size); |
|
|
180 | |
|
|
181 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
|
|
182 | { |
|
|
183 | alloc = cb; |
|
|
184 | } |
|
|
185 | |
|
|
186 | static void * |
|
|
187 | ev_realloc (void *ptr, long size) |
|
|
188 | { |
|
|
189 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
|
|
190 | |
|
|
191 | if (!ptr && size) |
|
|
192 | { |
|
|
193 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
194 | abort (); |
|
|
195 | } |
|
|
196 | |
|
|
197 | return ptr; |
|
|
198 | } |
|
|
199 | |
|
|
200 | #define ev_malloc(size) ev_realloc (0, (size)) |
|
|
201 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
|
|
202 | |
|
|
203 | /*****************************************************************************/ |
|
|
204 | |
152 | typedef struct |
205 | typedef struct |
153 | { |
206 | { |
154 | struct ev_watcher_list *head; |
207 | WL head; |
155 | unsigned char events; |
208 | unsigned char events; |
156 | unsigned char reify; |
209 | unsigned char reify; |
157 | } ANFD; |
210 | } ANFD; |
158 | |
211 | |
159 | typedef struct |
212 | typedef struct |
… | |
… | |
215 | ev_now (EV_P) |
268 | ev_now (EV_P) |
216 | { |
269 | { |
217 | return rt_now; |
270 | return rt_now; |
218 | } |
271 | } |
219 | |
272 | |
220 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
273 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
221 | |
274 | |
222 | #define array_needsize(base,cur,cnt,init) \ |
275 | #define array_needsize(type,base,cur,cnt,init) \ |
223 | if (expect_false ((cnt) > cur)) \ |
276 | if (expect_false ((cnt) > cur)) \ |
224 | { \ |
277 | { \ |
225 | int newcnt = cur; \ |
278 | int newcnt = cur; \ |
226 | do \ |
279 | do \ |
227 | { \ |
280 | { \ |
228 | newcnt = array_roundsize (base, newcnt << 1); \ |
281 | newcnt = array_roundsize (type, newcnt << 1); \ |
229 | } \ |
282 | } \ |
230 | while ((cnt) > newcnt); \ |
283 | while ((cnt) > newcnt); \ |
231 | \ |
284 | \ |
232 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
285 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
233 | init (base + cur, newcnt - cur); \ |
286 | init (base + cur, newcnt - cur); \ |
234 | cur = newcnt; \ |
287 | cur = newcnt; \ |
235 | } |
288 | } |
|
|
289 | |
|
|
290 | #define array_slim(type,stem) \ |
|
|
291 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
|
|
292 | { \ |
|
|
293 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
|
|
294 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
|
|
295 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
|
|
296 | } |
|
|
297 | |
|
|
298 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
299 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
300 | #define array_free_microshit(stem) \ |
|
|
301 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
302 | |
|
|
303 | #define array_free(stem, idx) \ |
|
|
304 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
236 | |
305 | |
237 | /*****************************************************************************/ |
306 | /*****************************************************************************/ |
238 | |
307 | |
239 | static void |
308 | static void |
240 | anfds_init (ANFD *base, int count) |
309 | anfds_init (ANFD *base, int count) |
… | |
… | |
257 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
326 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
258 | return; |
327 | return; |
259 | } |
328 | } |
260 | |
329 | |
261 | w->pending = ++pendingcnt [ABSPRI (w)]; |
330 | w->pending = ++pendingcnt [ABSPRI (w)]; |
262 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); |
331 | array_needsize (ANPENDING, pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void)); |
263 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
332 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
264 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
333 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
265 | } |
334 | } |
266 | |
335 | |
267 | static void |
336 | static void |
… | |
… | |
316 | } |
385 | } |
317 | |
386 | |
318 | static void |
387 | static void |
319 | fd_change (EV_P_ int fd) |
388 | fd_change (EV_P_ int fd) |
320 | { |
389 | { |
321 | if (anfds [fd].reify || fdchangecnt < 0) |
390 | if (anfds [fd].reify) |
322 | return; |
391 | return; |
323 | |
392 | |
324 | anfds [fd].reify = 1; |
393 | anfds [fd].reify = 1; |
325 | |
394 | |
326 | ++fdchangecnt; |
395 | ++fdchangecnt; |
327 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
396 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
328 | fdchanges [fdchangecnt - 1] = fd; |
397 | fdchanges [fdchangecnt - 1] = fd; |
329 | } |
398 | } |
330 | |
399 | |
331 | static void |
400 | static void |
332 | fd_kill (EV_P_ int fd) |
401 | fd_kill (EV_P_ int fd) |
… | |
… | |
338 | ev_io_stop (EV_A_ w); |
407 | ev_io_stop (EV_A_ w); |
339 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
408 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
340 | } |
409 | } |
341 | } |
410 | } |
342 | |
411 | |
|
|
412 | static int |
|
|
413 | fd_valid (int fd) |
|
|
414 | { |
|
|
415 | #ifdef WIN32 |
|
|
416 | return !!win32_get_osfhandle (fd); |
|
|
417 | #else |
|
|
418 | return fcntl (fd, F_GETFD) != -1; |
|
|
419 | #endif |
|
|
420 | } |
|
|
421 | |
343 | /* called on EBADF to verify fds */ |
422 | /* called on EBADF to verify fds */ |
344 | static void |
423 | static void |
345 | fd_ebadf (EV_P) |
424 | fd_ebadf (EV_P) |
346 | { |
425 | { |
347 | int fd; |
426 | int fd; |
348 | |
427 | |
349 | for (fd = 0; fd < anfdmax; ++fd) |
428 | for (fd = 0; fd < anfdmax; ++fd) |
350 | if (anfds [fd].events) |
429 | if (anfds [fd].events) |
351 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
430 | if (!fd_valid (fd) == -1 && errno == EBADF) |
352 | fd_kill (EV_A_ fd); |
431 | fd_kill (EV_A_ fd); |
353 | } |
432 | } |
354 | |
433 | |
355 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
434 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
356 | static void |
435 | static void |
… | |
… | |
359 | int fd; |
438 | int fd; |
360 | |
439 | |
361 | for (fd = anfdmax; fd--; ) |
440 | for (fd = anfdmax; fd--; ) |
362 | if (anfds [fd].events) |
441 | if (anfds [fd].events) |
363 | { |
442 | { |
364 | close (fd); |
|
|
365 | fd_kill (EV_A_ fd); |
443 | fd_kill (EV_A_ fd); |
366 | return; |
444 | return; |
367 | } |
445 | } |
368 | } |
446 | } |
369 | |
447 | |
370 | /* susually called after fork if method needs to re-arm all fds from scratch */ |
448 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
371 | static void |
449 | static void |
372 | fd_rearm_all (EV_P) |
450 | fd_rearm_all (EV_P) |
373 | { |
451 | { |
374 | int fd; |
452 | int fd; |
375 | |
453 | |
… | |
… | |
427 | |
505 | |
428 | /*****************************************************************************/ |
506 | /*****************************************************************************/ |
429 | |
507 | |
430 | typedef struct |
508 | typedef struct |
431 | { |
509 | { |
432 | struct ev_watcher_list *head; |
510 | WL head; |
433 | sig_atomic_t volatile gotsig; |
511 | sig_atomic_t volatile gotsig; |
434 | } ANSIG; |
512 | } ANSIG; |
435 | |
513 | |
436 | static ANSIG *signals; |
514 | static ANSIG *signals; |
437 | static int signalmax; |
515 | static int signalmax; |
… | |
… | |
453 | } |
531 | } |
454 | |
532 | |
455 | static void |
533 | static void |
456 | sighandler (int signum) |
534 | sighandler (int signum) |
457 | { |
535 | { |
|
|
536 | #if WIN32 |
|
|
537 | signal (signum, sighandler); |
|
|
538 | #endif |
|
|
539 | |
458 | signals [signum - 1].gotsig = 1; |
540 | signals [signum - 1].gotsig = 1; |
459 | |
541 | |
460 | if (!gotsig) |
542 | if (!gotsig) |
461 | { |
543 | { |
462 | int old_errno = errno; |
544 | int old_errno = errno; |
463 | gotsig = 1; |
545 | gotsig = 1; |
|
|
546 | #ifdef WIN32 |
|
|
547 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
548 | #else |
464 | write (sigpipe [1], &signum, 1); |
549 | write (sigpipe [1], &signum, 1); |
|
|
550 | #endif |
465 | errno = old_errno; |
551 | errno = old_errno; |
466 | } |
552 | } |
467 | } |
553 | } |
468 | |
554 | |
469 | static void |
555 | static void |
470 | sigcb (EV_P_ struct ev_io *iow, int revents) |
556 | sigcb (EV_P_ struct ev_io *iow, int revents) |
471 | { |
557 | { |
472 | struct ev_watcher_list *w; |
558 | WL w; |
473 | int signum; |
559 | int signum; |
474 | |
560 | |
|
|
561 | #ifdef WIN32 |
|
|
562 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
563 | #else |
475 | read (sigpipe [0], &revents, 1); |
564 | read (sigpipe [0], &revents, 1); |
|
|
565 | #endif |
476 | gotsig = 0; |
566 | gotsig = 0; |
477 | |
567 | |
478 | for (signum = signalmax; signum--; ) |
568 | for (signum = signalmax; signum--; ) |
479 | if (signals [signum].gotsig) |
569 | if (signals [signum].gotsig) |
480 | { |
570 | { |
… | |
… | |
502 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
592 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
503 | } |
593 | } |
504 | |
594 | |
505 | /*****************************************************************************/ |
595 | /*****************************************************************************/ |
506 | |
596 | |
|
|
597 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
598 | |
507 | #ifndef WIN32 |
599 | #ifndef WIN32 |
508 | |
600 | |
509 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
510 | static struct ev_signal childev; |
601 | static struct ev_signal childev; |
511 | |
602 | |
512 | #ifndef WCONTINUED |
603 | #ifndef WCONTINUED |
513 | # define WCONTINUED 0 |
604 | # define WCONTINUED 0 |
514 | #endif |
605 | #endif |
… | |
… | |
628 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
719 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
629 | #endif |
720 | #endif |
630 | #if EV_USE_SELECT |
721 | #if EV_USE_SELECT |
631 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
722 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
632 | #endif |
723 | #endif |
|
|
724 | |
|
|
725 | ev_watcher_init (&sigev, sigcb); |
|
|
726 | ev_set_priority (&sigev, EV_MAXPRI); |
633 | } |
727 | } |
634 | } |
728 | } |
635 | |
729 | |
636 | void |
730 | void |
637 | loop_destroy (EV_P) |
731 | loop_destroy (EV_P) |
638 | { |
732 | { |
|
|
733 | int i; |
|
|
734 | |
639 | #if EV_USE_WIN32 |
735 | #if EV_USE_WIN32 |
640 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
736 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
641 | #endif |
737 | #endif |
642 | #if EV_USE_KQUEUE |
738 | #if EV_USE_KQUEUE |
643 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
739 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
650 | #endif |
746 | #endif |
651 | #if EV_USE_SELECT |
747 | #if EV_USE_SELECT |
652 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
748 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
653 | #endif |
749 | #endif |
654 | |
750 | |
|
|
751 | for (i = NUMPRI; i--; ) |
|
|
752 | array_free (pending, [i]); |
|
|
753 | |
|
|
754 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
755 | array_free_microshit (fdchange); |
|
|
756 | array_free_microshit (timer); |
|
|
757 | array_free_microshit (periodic); |
|
|
758 | array_free_microshit (idle); |
|
|
759 | array_free_microshit (prepare); |
|
|
760 | array_free_microshit (check); |
|
|
761 | |
655 | method = 0; |
762 | method = 0; |
656 | /*TODO*/ |
|
|
657 | } |
763 | } |
658 | |
764 | |
659 | void |
765 | static void |
660 | loop_fork (EV_P) |
766 | loop_fork (EV_P) |
661 | { |
767 | { |
662 | /*TODO*/ |
|
|
663 | #if EV_USE_EPOLL |
768 | #if EV_USE_EPOLL |
664 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
769 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
665 | #endif |
770 | #endif |
666 | #if EV_USE_KQUEUE |
771 | #if EV_USE_KQUEUE |
667 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
772 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
668 | #endif |
773 | #endif |
|
|
774 | |
|
|
775 | if (ev_is_active (&sigev)) |
|
|
776 | { |
|
|
777 | /* default loop */ |
|
|
778 | |
|
|
779 | ev_ref (EV_A); |
|
|
780 | ev_io_stop (EV_A_ &sigev); |
|
|
781 | close (sigpipe [0]); |
|
|
782 | close (sigpipe [1]); |
|
|
783 | |
|
|
784 | while (pipe (sigpipe)) |
|
|
785 | syserr ("(libev) error creating pipe"); |
|
|
786 | |
|
|
787 | siginit (EV_A); |
|
|
788 | } |
|
|
789 | |
|
|
790 | postfork = 0; |
669 | } |
791 | } |
670 | |
792 | |
671 | #if EV_MULTIPLICITY |
793 | #if EV_MULTIPLICITY |
672 | struct ev_loop * |
794 | struct ev_loop * |
673 | ev_loop_new (int methods) |
795 | ev_loop_new (int methods) |
674 | { |
796 | { |
675 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
797 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
|
|
798 | |
|
|
799 | memset (loop, 0, sizeof (struct ev_loop)); |
676 | |
800 | |
677 | loop_init (EV_A_ methods); |
801 | loop_init (EV_A_ methods); |
678 | |
802 | |
679 | if (ev_method (EV_A)) |
803 | if (ev_method (EV_A)) |
680 | return loop; |
804 | return loop; |
… | |
… | |
684 | |
808 | |
685 | void |
809 | void |
686 | ev_loop_destroy (EV_P) |
810 | ev_loop_destroy (EV_P) |
687 | { |
811 | { |
688 | loop_destroy (EV_A); |
812 | loop_destroy (EV_A); |
689 | free (loop); |
813 | ev_free (loop); |
690 | } |
814 | } |
691 | |
815 | |
692 | void |
816 | void |
693 | ev_loop_fork (EV_P) |
817 | ev_loop_fork (EV_P) |
694 | { |
818 | { |
695 | loop_fork (EV_A); |
819 | postfork = 1; |
696 | } |
820 | } |
697 | |
821 | |
698 | #endif |
822 | #endif |
699 | |
823 | |
700 | #if EV_MULTIPLICITY |
824 | #if EV_MULTIPLICITY |
… | |
… | |
723 | |
847 | |
724 | loop_init (EV_A_ methods); |
848 | loop_init (EV_A_ methods); |
725 | |
849 | |
726 | if (ev_method (EV_A)) |
850 | if (ev_method (EV_A)) |
727 | { |
851 | { |
728 | ev_watcher_init (&sigev, sigcb); |
|
|
729 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
730 | siginit (EV_A); |
852 | siginit (EV_A); |
731 | |
853 | |
732 | #ifndef WIN32 |
854 | #ifndef WIN32 |
733 | ev_signal_init (&childev, childcb, SIGCHLD); |
855 | ev_signal_init (&childev, childcb, SIGCHLD); |
734 | ev_set_priority (&childev, EV_MAXPRI); |
856 | ev_set_priority (&childev, EV_MAXPRI); |
… | |
… | |
748 | { |
870 | { |
749 | #if EV_MULTIPLICITY |
871 | #if EV_MULTIPLICITY |
750 | struct ev_loop *loop = default_loop; |
872 | struct ev_loop *loop = default_loop; |
751 | #endif |
873 | #endif |
752 | |
874 | |
|
|
875 | #ifndef WIN32 |
753 | ev_ref (EV_A); /* child watcher */ |
876 | ev_ref (EV_A); /* child watcher */ |
754 | ev_signal_stop (EV_A_ &childev); |
877 | ev_signal_stop (EV_A_ &childev); |
|
|
878 | #endif |
755 | |
879 | |
756 | ev_ref (EV_A); /* signal watcher */ |
880 | ev_ref (EV_A); /* signal watcher */ |
757 | ev_io_stop (EV_A_ &sigev); |
881 | ev_io_stop (EV_A_ &sigev); |
758 | |
882 | |
759 | close (sigpipe [0]); sigpipe [0] = 0; |
883 | close (sigpipe [0]); sigpipe [0] = 0; |
… | |
… | |
767 | { |
891 | { |
768 | #if EV_MULTIPLICITY |
892 | #if EV_MULTIPLICITY |
769 | struct ev_loop *loop = default_loop; |
893 | struct ev_loop *loop = default_loop; |
770 | #endif |
894 | #endif |
771 | |
895 | |
772 | loop_fork (EV_A); |
896 | if (method) |
773 | |
897 | postfork = 1; |
774 | ev_io_stop (EV_A_ &sigev); |
|
|
775 | close (sigpipe [0]); |
|
|
776 | close (sigpipe [1]); |
|
|
777 | pipe (sigpipe); |
|
|
778 | |
|
|
779 | ev_ref (EV_A); /* signal watcher */ |
|
|
780 | siginit (EV_A); |
|
|
781 | } |
898 | } |
782 | |
899 | |
783 | /*****************************************************************************/ |
900 | /*****************************************************************************/ |
|
|
901 | |
|
|
902 | static int |
|
|
903 | any_pending (EV_P) |
|
|
904 | { |
|
|
905 | int pri; |
|
|
906 | |
|
|
907 | for (pri = NUMPRI; pri--; ) |
|
|
908 | if (pendingcnt [pri]) |
|
|
909 | return 1; |
|
|
910 | |
|
|
911 | return 0; |
|
|
912 | } |
784 | |
913 | |
785 | static void |
914 | static void |
786 | call_pending (EV_P) |
915 | call_pending (EV_P) |
787 | { |
916 | { |
788 | int pri; |
917 | int pri; |
… | |
… | |
793 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
922 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
794 | |
923 | |
795 | if (p->w) |
924 | if (p->w) |
796 | { |
925 | { |
797 | p->w->pending = 0; |
926 | p->w->pending = 0; |
798 | |
|
|
799 | (*(void (**)(EV_P_ W, int))&p->w->cb) (EV_A_ p->w, p->events); |
927 | p->w->cb (EV_A_ p->w, p->events); |
800 | } |
928 | } |
801 | } |
929 | } |
802 | } |
930 | } |
803 | |
931 | |
804 | static void |
932 | static void |
… | |
… | |
964 | { |
1092 | { |
965 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1093 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
966 | call_pending (EV_A); |
1094 | call_pending (EV_A); |
967 | } |
1095 | } |
968 | |
1096 | |
|
|
1097 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1098 | if (expect_false (postfork)) |
|
|
1099 | loop_fork (EV_A); |
|
|
1100 | |
969 | /* update fd-related kernel structures */ |
1101 | /* update fd-related kernel structures */ |
970 | fd_reify (EV_A); |
1102 | fd_reify (EV_A); |
971 | |
1103 | |
972 | /* calculate blocking time */ |
1104 | /* calculate blocking time */ |
973 | |
1105 | |
974 | /* we only need this for !monotonic clockor timers, but as we basically |
1106 | /* we only need this for !monotonic clock or timers, but as we basically |
975 | always have timers, we just calculate it always */ |
1107 | always have timers, we just calculate it always */ |
976 | #if EV_USE_MONOTONIC |
1108 | #if EV_USE_MONOTONIC |
977 | if (expect_true (have_monotonic)) |
1109 | if (expect_true (have_monotonic)) |
978 | time_update_monotonic (EV_A); |
1110 | time_update_monotonic (EV_A); |
979 | else |
1111 | else |
… | |
… | |
1012 | /* queue pending timers and reschedule them */ |
1144 | /* queue pending timers and reschedule them */ |
1013 | timers_reify (EV_A); /* relative timers called last */ |
1145 | timers_reify (EV_A); /* relative timers called last */ |
1014 | periodics_reify (EV_A); /* absolute timers called first */ |
1146 | periodics_reify (EV_A); /* absolute timers called first */ |
1015 | |
1147 | |
1016 | /* queue idle watchers unless io or timers are pending */ |
1148 | /* queue idle watchers unless io or timers are pending */ |
1017 | if (!pendingcnt) |
1149 | if (idlecnt && !any_pending (EV_A)) |
1018 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1150 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1019 | |
1151 | |
1020 | /* queue check watchers, to be executed first */ |
1152 | /* queue check watchers, to be executed first */ |
1021 | if (checkcnt) |
1153 | if (checkcnt) |
1022 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1154 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
… | |
… | |
1097 | return; |
1229 | return; |
1098 | |
1230 | |
1099 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1231 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1100 | |
1232 | |
1101 | ev_start (EV_A_ (W)w, 1); |
1233 | ev_start (EV_A_ (W)w, 1); |
1102 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1234 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1103 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1235 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1104 | |
1236 | |
1105 | fd_change (EV_A_ fd); |
1237 | fd_change (EV_A_ fd); |
1106 | } |
1238 | } |
1107 | |
1239 | |
… | |
… | |
1127 | ((WT)w)->at += mn_now; |
1259 | ((WT)w)->at += mn_now; |
1128 | |
1260 | |
1129 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1261 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1130 | |
1262 | |
1131 | ev_start (EV_A_ (W)w, ++timercnt); |
1263 | ev_start (EV_A_ (W)w, ++timercnt); |
1132 | array_needsize (timers, timermax, timercnt, ); |
1264 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1133 | timers [timercnt - 1] = w; |
1265 | timers [timercnt - 1] = w; |
1134 | upheap ((WT *)timers, timercnt - 1); |
1266 | upheap ((WT *)timers, timercnt - 1); |
1135 | |
1267 | |
1136 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1268 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1137 | } |
1269 | } |
… | |
… | |
1184 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1316 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1185 | if (w->interval) |
1317 | if (w->interval) |
1186 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1318 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1187 | |
1319 | |
1188 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1320 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1189 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1321 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1190 | periodics [periodiccnt - 1] = w; |
1322 | periodics [periodiccnt - 1] = w; |
1191 | upheap ((WT *)periodics, periodiccnt - 1); |
1323 | upheap ((WT *)periodics, periodiccnt - 1); |
1192 | |
1324 | |
1193 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1325 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1194 | } |
1326 | } |
… | |
… | |
1216 | { |
1348 | { |
1217 | if (ev_is_active (w)) |
1349 | if (ev_is_active (w)) |
1218 | return; |
1350 | return; |
1219 | |
1351 | |
1220 | ev_start (EV_A_ (W)w, ++idlecnt); |
1352 | ev_start (EV_A_ (W)w, ++idlecnt); |
1221 | array_needsize (idles, idlemax, idlecnt, ); |
1353 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
1222 | idles [idlecnt - 1] = w; |
1354 | idles [idlecnt - 1] = w; |
1223 | } |
1355 | } |
1224 | |
1356 | |
1225 | void |
1357 | void |
1226 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1358 | ev_idle_stop (EV_P_ struct ev_idle *w) |
… | |
… | |
1238 | { |
1370 | { |
1239 | if (ev_is_active (w)) |
1371 | if (ev_is_active (w)) |
1240 | return; |
1372 | return; |
1241 | |
1373 | |
1242 | ev_start (EV_A_ (W)w, ++preparecnt); |
1374 | ev_start (EV_A_ (W)w, ++preparecnt); |
1243 | array_needsize (prepares, preparemax, preparecnt, ); |
1375 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
1244 | prepares [preparecnt - 1] = w; |
1376 | prepares [preparecnt - 1] = w; |
1245 | } |
1377 | } |
1246 | |
1378 | |
1247 | void |
1379 | void |
1248 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1380 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
… | |
… | |
1260 | { |
1392 | { |
1261 | if (ev_is_active (w)) |
1393 | if (ev_is_active (w)) |
1262 | return; |
1394 | return; |
1263 | |
1395 | |
1264 | ev_start (EV_A_ (W)w, ++checkcnt); |
1396 | ev_start (EV_A_ (W)w, ++checkcnt); |
1265 | array_needsize (checks, checkmax, checkcnt, ); |
1397 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
1266 | checks [checkcnt - 1] = w; |
1398 | checks [checkcnt - 1] = w; |
1267 | } |
1399 | } |
1268 | |
1400 | |
1269 | void |
1401 | void |
1270 | ev_check_stop (EV_P_ struct ev_check *w) |
1402 | ev_check_stop (EV_P_ struct ev_check *w) |
… | |
… | |
1291 | return; |
1423 | return; |
1292 | |
1424 | |
1293 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1425 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1294 | |
1426 | |
1295 | ev_start (EV_A_ (W)w, 1); |
1427 | ev_start (EV_A_ (W)w, 1); |
1296 | array_needsize (signals, signalmax, w->signum, signals_init); |
1428 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1297 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1429 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1298 | |
1430 | |
1299 | if (!((WL)w)->next) |
1431 | if (!((WL)w)->next) |
1300 | { |
1432 | { |
|
|
1433 | #if WIN32 |
|
|
1434 | signal (w->signum, sighandler); |
|
|
1435 | #else |
1301 | struct sigaction sa; |
1436 | struct sigaction sa; |
1302 | sa.sa_handler = sighandler; |
1437 | sa.sa_handler = sighandler; |
1303 | sigfillset (&sa.sa_mask); |
1438 | sigfillset (&sa.sa_mask); |
1304 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1439 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1305 | sigaction (w->signum, &sa, 0); |
1440 | sigaction (w->signum, &sa, 0); |
|
|
1441 | #endif |
1306 | } |
1442 | } |
1307 | } |
1443 | } |
1308 | |
1444 | |
1309 | void |
1445 | void |
1310 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1446 | ev_signal_stop (EV_P_ struct ev_signal *w) |
… | |
… | |
1360 | void (*cb)(int revents, void *arg) = once->cb; |
1496 | void (*cb)(int revents, void *arg) = once->cb; |
1361 | void *arg = once->arg; |
1497 | void *arg = once->arg; |
1362 | |
1498 | |
1363 | ev_io_stop (EV_A_ &once->io); |
1499 | ev_io_stop (EV_A_ &once->io); |
1364 | ev_timer_stop (EV_A_ &once->to); |
1500 | ev_timer_stop (EV_A_ &once->to); |
1365 | free (once); |
1501 | ev_free (once); |
1366 | |
1502 | |
1367 | cb (revents, arg); |
1503 | cb (revents, arg); |
1368 | } |
1504 | } |
1369 | |
1505 | |
1370 | static void |
1506 | static void |
… | |
… | |
1380 | } |
1516 | } |
1381 | |
1517 | |
1382 | void |
1518 | void |
1383 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1519 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1384 | { |
1520 | { |
1385 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1521 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1386 | |
1522 | |
1387 | if (!once) |
1523 | if (!once) |
1388 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1524 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1389 | else |
1525 | else |
1390 | { |
1526 | { |