… | |
… | |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * met: |
9 | * |
|
|
10 | * 1. Redistributions of source code must retain the above copyright notice, |
|
|
11 | * this list of conditions and the following disclaimer. |
|
|
12 | * |
|
|
13 | * 2. Redistributions in binary form must reproduce the above copyright |
|
|
14 | * notice, this list of conditions and the following disclaimer in the |
|
|
15 | * documentation and/or other materials provided with the distribution. |
|
|
16 | * |
|
|
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
|
|
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
|
|
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
|
|
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
|
|
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
|
|
22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
|
|
23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
|
|
24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
|
|
25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
|
|
26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
10 | * |
27 | * |
11 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
12 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
13 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
14 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
15 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
16 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
17 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
18 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
|
22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
|
23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
|
24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
|
25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
|
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
|
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
|
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. |
|
|
30 | */ |
38 | */ |
31 | |
39 | |
32 | #ifdef __cplusplus |
40 | #ifdef __cplusplus |
33 | extern "C" { |
41 | extern "C" { |
34 | #endif |
42 | #endif |
… | |
… | |
51 | # ifndef EV_USE_MONOTONIC |
59 | # ifndef EV_USE_MONOTONIC |
52 | # define EV_USE_MONOTONIC 0 |
60 | # define EV_USE_MONOTONIC 0 |
53 | # endif |
61 | # endif |
54 | # ifndef EV_USE_REALTIME |
62 | # ifndef EV_USE_REALTIME |
55 | # define EV_USE_REALTIME 0 |
63 | # define EV_USE_REALTIME 0 |
|
|
64 | # endif |
|
|
65 | # endif |
|
|
66 | |
|
|
67 | # ifndef EV_USE_NANOSLEEP |
|
|
68 | # if HAVE_NANOSLEEP |
|
|
69 | # define EV_USE_NANOSLEEP 1 |
|
|
70 | # else |
|
|
71 | # define EV_USE_NANOSLEEP 0 |
56 | # endif |
72 | # endif |
57 | # endif |
73 | # endif |
58 | |
74 | |
59 | # ifndef EV_USE_SELECT |
75 | # ifndef EV_USE_SELECT |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
76 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
… | |
… | |
146 | |
162 | |
147 | #ifndef EV_USE_REALTIME |
163 | #ifndef EV_USE_REALTIME |
148 | # define EV_USE_REALTIME 0 |
164 | # define EV_USE_REALTIME 0 |
149 | #endif |
165 | #endif |
150 | |
166 | |
|
|
167 | #ifndef EV_USE_NANOSLEEP |
|
|
168 | # define EV_USE_NANOSLEEP 0 |
|
|
169 | #endif |
|
|
170 | |
151 | #ifndef EV_USE_SELECT |
171 | #ifndef EV_USE_SELECT |
152 | # define EV_USE_SELECT 1 |
172 | # define EV_USE_SELECT 1 |
153 | #endif |
173 | #endif |
154 | |
174 | |
155 | #ifndef EV_USE_POLL |
175 | #ifndef EV_USE_POLL |
… | |
… | |
202 | #ifndef CLOCK_REALTIME |
222 | #ifndef CLOCK_REALTIME |
203 | # undef EV_USE_REALTIME |
223 | # undef EV_USE_REALTIME |
204 | # define EV_USE_REALTIME 0 |
224 | # define EV_USE_REALTIME 0 |
205 | #endif |
225 | #endif |
206 | |
226 | |
|
|
227 | #if !EV_STAT_ENABLE |
|
|
228 | # undef EV_USE_INOTIFY |
|
|
229 | # define EV_USE_INOTIFY 0 |
|
|
230 | #endif |
|
|
231 | |
|
|
232 | #if !EV_USE_NANOSLEEP |
|
|
233 | # ifndef _WIN32 |
|
|
234 | # include <sys/select.h> |
|
|
235 | # endif |
|
|
236 | #endif |
|
|
237 | |
|
|
238 | #if EV_USE_INOTIFY |
|
|
239 | # include <sys/inotify.h> |
|
|
240 | #endif |
|
|
241 | |
207 | #if EV_SELECT_IS_WINSOCKET |
242 | #if EV_SELECT_IS_WINSOCKET |
208 | # include <winsock.h> |
243 | # include <winsock.h> |
209 | #endif |
244 | #endif |
210 | |
245 | |
211 | #if !EV_STAT_ENABLE |
|
|
212 | # define EV_USE_INOTIFY 0 |
|
|
213 | #endif |
|
|
214 | |
|
|
215 | #if EV_USE_INOTIFY |
|
|
216 | # include <sys/inotify.h> |
|
|
217 | #endif |
|
|
218 | |
|
|
219 | /**/ |
246 | /**/ |
|
|
247 | |
|
|
248 | /* |
|
|
249 | * This is used to avoid floating point rounding problems. |
|
|
250 | * It is added to ev_rt_now when scheduling periodics |
|
|
251 | * to ensure progress, time-wise, even when rounding |
|
|
252 | * errors are against us. |
|
|
253 | * This value is good at least till the year 4000. |
|
|
254 | * Better solutions welcome. |
|
|
255 | */ |
|
|
256 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
220 | |
257 | |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
258 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
259 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
260 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
224 | |
261 | |
225 | #if __GNUC__ >= 3 |
262 | #if __GNUC__ >= 4 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
227 | # define inline_size static inline /* inline for codesize */ |
|
|
228 | # if EV_MINIMAL |
|
|
229 | # define noinline __attribute__ ((noinline)) |
264 | # define noinline __attribute__ ((noinline)) |
230 | # define inline_speed static noinline |
|
|
231 | # else |
|
|
232 | # define noinline |
|
|
233 | # define inline_speed static inline |
|
|
234 | # endif |
|
|
235 | #else |
265 | #else |
236 | # define expect(expr,value) (expr) |
266 | # define expect(expr,value) (expr) |
237 | # define inline_speed static |
|
|
238 | # define inline_size static |
|
|
239 | # define noinline |
267 | # define noinline |
|
|
268 | # if __STDC_VERSION__ < 199901L |
|
|
269 | # define inline |
|
|
270 | # endif |
240 | #endif |
271 | #endif |
241 | |
272 | |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
274 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
275 | #define inline_size static inline |
|
|
276 | |
|
|
277 | #if EV_MINIMAL |
|
|
278 | # define inline_speed static noinline |
|
|
279 | #else |
|
|
280 | # define inline_speed static inline |
|
|
281 | #endif |
244 | |
282 | |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
283 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
284 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
247 | |
285 | |
248 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
286 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
… | |
… | |
250 | |
288 | |
251 | typedef ev_watcher *W; |
289 | typedef ev_watcher *W; |
252 | typedef ev_watcher_list *WL; |
290 | typedef ev_watcher_list *WL; |
253 | typedef ev_watcher_time *WT; |
291 | typedef ev_watcher_time *WT; |
254 | |
292 | |
|
|
293 | #if EV_USE_MONOTONIC |
|
|
294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
295 | /* giving it a reasonably high chance of working on typical architetcures */ |
255 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
296 | static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
|
|
297 | #endif |
256 | |
298 | |
257 | #ifdef _WIN32 |
299 | #ifdef _WIN32 |
258 | # include "ev_win32.c" |
300 | # include "ev_win32.c" |
259 | #endif |
301 | #endif |
260 | |
302 | |
… | |
… | |
396 | { |
438 | { |
397 | return ev_rt_now; |
439 | return ev_rt_now; |
398 | } |
440 | } |
399 | #endif |
441 | #endif |
400 | |
442 | |
|
|
443 | void |
|
|
444 | ev_sleep (ev_tstamp delay) |
|
|
445 | { |
|
|
446 | if (delay > 0.) |
|
|
447 | { |
|
|
448 | #if EV_USE_NANOSLEEP |
|
|
449 | struct timespec ts; |
|
|
450 | |
|
|
451 | ts.tv_sec = (time_t)delay; |
|
|
452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
453 | |
|
|
454 | nanosleep (&ts, 0); |
|
|
455 | #elif defined(_WIN32) |
|
|
456 | Sleep (delay * 1e3); |
|
|
457 | #else |
|
|
458 | struct timeval tv; |
|
|
459 | |
|
|
460 | tv.tv_sec = (time_t)delay; |
|
|
461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
462 | |
|
|
463 | select (0, 0, 0, 0, &tv); |
|
|
464 | #endif |
|
|
465 | } |
|
|
466 | } |
|
|
467 | |
|
|
468 | /*****************************************************************************/ |
|
|
469 | |
401 | int inline_size |
470 | int inline_size |
402 | array_nextsize (int elem, int cur, int cnt) |
471 | array_nextsize (int elem, int cur, int cnt) |
403 | { |
472 | { |
404 | int ncur = cur + 1; |
473 | int ncur = cur + 1; |
405 | |
474 | |
… | |
… | |
417 | } |
486 | } |
418 | |
487 | |
419 | return ncur; |
488 | return ncur; |
420 | } |
489 | } |
421 | |
490 | |
422 | inline_speed void * |
491 | static noinline void * |
423 | array_realloc (int elem, void *base, int *cur, int cnt) |
492 | array_realloc (int elem, void *base, int *cur, int cnt) |
424 | { |
493 | { |
425 | *cur = array_nextsize (elem, *cur, cnt); |
494 | *cur = array_nextsize (elem, *cur, cnt); |
426 | return ev_realloc (base, elem * *cur); |
495 | return ev_realloc (base, elem * *cur); |
427 | } |
496 | } |
… | |
… | |
452 | |
521 | |
453 | void noinline |
522 | void noinline |
454 | ev_feed_event (EV_P_ void *w, int revents) |
523 | ev_feed_event (EV_P_ void *w, int revents) |
455 | { |
524 | { |
456 | W w_ = (W)w; |
525 | W w_ = (W)w; |
|
|
526 | int pri = ABSPRI (w_); |
457 | |
527 | |
458 | if (expect_false (w_->pending)) |
528 | if (expect_false (w_->pending)) |
|
|
529 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
530 | else |
459 | { |
531 | { |
|
|
532 | w_->pending = ++pendingcnt [pri]; |
|
|
533 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
534 | pendings [pri][w_->pending - 1].w = w_; |
460 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
535 | pendings [pri][w_->pending - 1].events = revents; |
461 | return; |
|
|
462 | } |
536 | } |
463 | |
|
|
464 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
465 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
|
466 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
467 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
468 | } |
537 | } |
469 | |
538 | |
470 | void inline_size |
539 | void inline_speed |
471 | queue_events (EV_P_ W *events, int eventcnt, int type) |
540 | queue_events (EV_P_ W *events, int eventcnt, int type) |
472 | { |
541 | { |
473 | int i; |
542 | int i; |
474 | |
543 | |
475 | for (i = 0; i < eventcnt; ++i) |
544 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
507 | } |
576 | } |
508 | |
577 | |
509 | void |
578 | void |
510 | ev_feed_fd_event (EV_P_ int fd, int revents) |
579 | ev_feed_fd_event (EV_P_ int fd, int revents) |
511 | { |
580 | { |
|
|
581 | if (fd >= 0 && fd < anfdmax) |
512 | fd_event (EV_A_ fd, revents); |
582 | fd_event (EV_A_ fd, revents); |
513 | } |
583 | } |
514 | |
584 | |
515 | void inline_size |
585 | void inline_size |
516 | fd_reify (EV_P) |
586 | fd_reify (EV_P) |
517 | { |
587 | { |
… | |
… | |
521 | { |
591 | { |
522 | int fd = fdchanges [i]; |
592 | int fd = fdchanges [i]; |
523 | ANFD *anfd = anfds + fd; |
593 | ANFD *anfd = anfds + fd; |
524 | ev_io *w; |
594 | ev_io *w; |
525 | |
595 | |
526 | int events = 0; |
596 | unsigned char events = 0; |
527 | |
597 | |
528 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
598 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
529 | events |= w->events; |
599 | events |= (unsigned char)w->events; |
530 | |
600 | |
531 | #if EV_SELECT_IS_WINSOCKET |
601 | #if EV_SELECT_IS_WINSOCKET |
532 | if (events) |
602 | if (events) |
533 | { |
603 | { |
534 | unsigned long argp; |
604 | unsigned long argp; |
|
|
605 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
606 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
607 | #else |
535 | anfd->handle = _get_osfhandle (fd); |
608 | anfd->handle = _get_osfhandle (fd); |
|
|
609 | #endif |
536 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
610 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
537 | } |
611 | } |
538 | #endif |
612 | #endif |
539 | |
613 | |
|
|
614 | { |
|
|
615 | unsigned char o_events = anfd->events; |
|
|
616 | unsigned char o_reify = anfd->reify; |
|
|
617 | |
540 | anfd->reify = 0; |
618 | anfd->reify = 0; |
541 | |
|
|
542 | backend_modify (EV_A_ fd, anfd->events, events); |
|
|
543 | anfd->events = events; |
619 | anfd->events = events; |
|
|
620 | |
|
|
621 | if (o_events != events || o_reify & EV_IOFDSET) |
|
|
622 | backend_modify (EV_A_ fd, o_events, events); |
|
|
623 | } |
544 | } |
624 | } |
545 | |
625 | |
546 | fdchangecnt = 0; |
626 | fdchangecnt = 0; |
547 | } |
627 | } |
548 | |
628 | |
549 | void inline_size |
629 | void inline_size |
550 | fd_change (EV_P_ int fd) |
630 | fd_change (EV_P_ int fd, int flags) |
551 | { |
631 | { |
552 | if (expect_false (anfds [fd].reify)) |
632 | unsigned char reify = anfds [fd].reify; |
553 | return; |
|
|
554 | |
|
|
555 | anfds [fd].reify = 1; |
633 | anfds [fd].reify |= flags; |
556 | |
634 | |
|
|
635 | if (expect_true (!reify)) |
|
|
636 | { |
557 | ++fdchangecnt; |
637 | ++fdchangecnt; |
558 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
638 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
559 | fdchanges [fdchangecnt - 1] = fd; |
639 | fdchanges [fdchangecnt - 1] = fd; |
|
|
640 | } |
560 | } |
641 | } |
561 | |
642 | |
562 | void inline_speed |
643 | void inline_speed |
563 | fd_kill (EV_P_ int fd) |
644 | fd_kill (EV_P_ int fd) |
564 | { |
645 | { |
… | |
… | |
615 | |
696 | |
616 | for (fd = 0; fd < anfdmax; ++fd) |
697 | for (fd = 0; fd < anfdmax; ++fd) |
617 | if (anfds [fd].events) |
698 | if (anfds [fd].events) |
618 | { |
699 | { |
619 | anfds [fd].events = 0; |
700 | anfds [fd].events = 0; |
620 | fd_change (EV_A_ fd); |
701 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
621 | } |
702 | } |
622 | } |
703 | } |
623 | |
704 | |
624 | /*****************************************************************************/ |
705 | /*****************************************************************************/ |
625 | |
706 | |
626 | void inline_speed |
707 | void inline_speed |
627 | upheap (WT *heap, int k) |
708 | upheap (WT *heap, int k) |
628 | { |
709 | { |
629 | WT w = heap [k]; |
710 | WT w = heap [k]; |
630 | |
711 | |
631 | while (k && heap [k >> 1]->at > w->at) |
712 | while (k) |
632 | { |
713 | { |
|
|
714 | int p = (k - 1) >> 1; |
|
|
715 | |
|
|
716 | if (heap [p]->at <= w->at) |
|
|
717 | break; |
|
|
718 | |
633 | heap [k] = heap [k >> 1]; |
719 | heap [k] = heap [p]; |
634 | ((W)heap [k])->active = k + 1; |
720 | ((W)heap [k])->active = k + 1; |
635 | k >>= 1; |
721 | k = p; |
636 | } |
722 | } |
637 | |
723 | |
638 | heap [k] = w; |
724 | heap [k] = w; |
639 | ((W)heap [k])->active = k + 1; |
725 | ((W)heap [k])->active = k + 1; |
640 | |
|
|
641 | } |
726 | } |
642 | |
727 | |
643 | void inline_speed |
728 | void inline_speed |
644 | downheap (WT *heap, int N, int k) |
729 | downheap (WT *heap, int N, int k) |
645 | { |
730 | { |
646 | WT w = heap [k]; |
731 | WT w = heap [k]; |
647 | |
732 | |
648 | while (k < (N >> 1)) |
733 | for (;;) |
649 | { |
734 | { |
650 | int j = k << 1; |
735 | int c = (k << 1) + 1; |
651 | |
736 | |
652 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
737 | if (c >= N) |
653 | ++j; |
|
|
654 | |
|
|
655 | if (w->at <= heap [j]->at) |
|
|
656 | break; |
738 | break; |
657 | |
739 | |
|
|
740 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
741 | ? 1 : 0; |
|
|
742 | |
|
|
743 | if (w->at <= heap [c]->at) |
|
|
744 | break; |
|
|
745 | |
658 | heap [k] = heap [j]; |
746 | heap [k] = heap [c]; |
659 | ((W)heap [k])->active = k + 1; |
747 | ((W)heap [k])->active = k + 1; |
|
|
748 | |
660 | k = j; |
749 | k = c; |
661 | } |
750 | } |
662 | |
751 | |
663 | heap [k] = w; |
752 | heap [k] = w; |
664 | ((W)heap [k])->active = k + 1; |
753 | ((W)heap [k])->active = k + 1; |
665 | } |
754 | } |
… | |
… | |
747 | for (signum = signalmax; signum--; ) |
836 | for (signum = signalmax; signum--; ) |
748 | if (signals [signum].gotsig) |
837 | if (signals [signum].gotsig) |
749 | ev_feed_signal_event (EV_A_ signum + 1); |
838 | ev_feed_signal_event (EV_A_ signum + 1); |
750 | } |
839 | } |
751 | |
840 | |
752 | void inline_size |
841 | void inline_speed |
753 | fd_intern (int fd) |
842 | fd_intern (int fd) |
754 | { |
843 | { |
755 | #ifdef _WIN32 |
844 | #ifdef _WIN32 |
756 | int arg = 1; |
845 | int arg = 1; |
757 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
846 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
772 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
861 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
773 | } |
862 | } |
774 | |
863 | |
775 | /*****************************************************************************/ |
864 | /*****************************************************************************/ |
776 | |
865 | |
777 | static ev_child *childs [EV_PID_HASHSIZE]; |
866 | static WL childs [EV_PID_HASHSIZE]; |
778 | |
867 | |
779 | #ifndef _WIN32 |
868 | #ifndef _WIN32 |
780 | |
869 | |
781 | static ev_signal childev; |
870 | static ev_signal childev; |
782 | |
871 | |
… | |
… | |
897 | } |
986 | } |
898 | |
987 | |
899 | unsigned int |
988 | unsigned int |
900 | ev_embeddable_backends (void) |
989 | ev_embeddable_backends (void) |
901 | { |
990 | { |
902 | return EVBACKEND_EPOLL |
991 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
903 | | EVBACKEND_KQUEUE |
992 | |
904 | | EVBACKEND_PORT; |
993 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
994 | /* please fix it and tell me how to detect the fix */ |
|
|
995 | flags &= ~EVBACKEND_EPOLL; |
|
|
996 | |
|
|
997 | return flags; |
905 | } |
998 | } |
906 | |
999 | |
907 | unsigned int |
1000 | unsigned int |
908 | ev_backend (EV_P) |
1001 | ev_backend (EV_P) |
909 | { |
1002 | { |
… | |
… | |
912 | |
1005 | |
913 | unsigned int |
1006 | unsigned int |
914 | ev_loop_count (EV_P) |
1007 | ev_loop_count (EV_P) |
915 | { |
1008 | { |
916 | return loop_count; |
1009 | return loop_count; |
|
|
1010 | } |
|
|
1011 | |
|
|
1012 | void |
|
|
1013 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1014 | { |
|
|
1015 | io_blocktime = interval; |
|
|
1016 | } |
|
|
1017 | |
|
|
1018 | void |
|
|
1019 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1020 | { |
|
|
1021 | timeout_blocktime = interval; |
917 | } |
1022 | } |
918 | |
1023 | |
919 | static void noinline |
1024 | static void noinline |
920 | loop_init (EV_P_ unsigned int flags) |
1025 | loop_init (EV_P_ unsigned int flags) |
921 | { |
1026 | { |
… | |
… | |
932 | ev_rt_now = ev_time (); |
1037 | ev_rt_now = ev_time (); |
933 | mn_now = get_clock (); |
1038 | mn_now = get_clock (); |
934 | now_floor = mn_now; |
1039 | now_floor = mn_now; |
935 | rtmn_diff = ev_rt_now - mn_now; |
1040 | rtmn_diff = ev_rt_now - mn_now; |
936 | |
1041 | |
|
|
1042 | io_blocktime = 0.; |
|
|
1043 | timeout_blocktime = 0.; |
|
|
1044 | |
937 | /* pid check not overridable via env */ |
1045 | /* pid check not overridable via env */ |
938 | #ifndef _WIN32 |
1046 | #ifndef _WIN32 |
939 | if (flags & EVFLAG_FORKCHECK) |
1047 | if (flags & EVFLAG_FORKCHECK) |
940 | curpid = getpid (); |
1048 | curpid = getpid (); |
941 | #endif |
1049 | #endif |
… | |
… | |
1009 | array_free (pending, [i]); |
1117 | array_free (pending, [i]); |
1010 | #if EV_IDLE_ENABLE |
1118 | #if EV_IDLE_ENABLE |
1011 | array_free (idle, [i]); |
1119 | array_free (idle, [i]); |
1012 | #endif |
1120 | #endif |
1013 | } |
1121 | } |
|
|
1122 | |
|
|
1123 | ev_free (anfds); anfdmax = 0; |
1014 | |
1124 | |
1015 | /* have to use the microsoft-never-gets-it-right macro */ |
1125 | /* have to use the microsoft-never-gets-it-right macro */ |
1016 | array_free (fdchange, EMPTY); |
1126 | array_free (fdchange, EMPTY); |
1017 | array_free (timer, EMPTY); |
1127 | array_free (timer, EMPTY); |
1018 | #if EV_PERIODIC_ENABLE |
1128 | #if EV_PERIODIC_ENABLE |
1019 | array_free (periodic, EMPTY); |
1129 | array_free (periodic, EMPTY); |
|
|
1130 | #endif |
|
|
1131 | #if EV_FORK_ENABLE |
|
|
1132 | array_free (fork, EMPTY); |
1020 | #endif |
1133 | #endif |
1021 | array_free (prepare, EMPTY); |
1134 | array_free (prepare, EMPTY); |
1022 | array_free (check, EMPTY); |
1135 | array_free (check, EMPTY); |
1023 | |
1136 | |
1024 | backend = 0; |
1137 | backend = 0; |
… | |
… | |
1163 | postfork = 1; |
1276 | postfork = 1; |
1164 | } |
1277 | } |
1165 | |
1278 | |
1166 | /*****************************************************************************/ |
1279 | /*****************************************************************************/ |
1167 | |
1280 | |
|
|
1281 | void |
|
|
1282 | ev_invoke (EV_P_ void *w, int revents) |
|
|
1283 | { |
|
|
1284 | EV_CB_INVOKE ((W)w, revents); |
|
|
1285 | } |
|
|
1286 | |
1168 | void inline_speed |
1287 | void inline_speed |
1169 | call_pending (EV_P) |
1288 | call_pending (EV_P) |
1170 | { |
1289 | { |
1171 | int pri; |
1290 | int pri; |
1172 | |
1291 | |
… | |
… | |
1188 | void inline_size |
1307 | void inline_size |
1189 | timers_reify (EV_P) |
1308 | timers_reify (EV_P) |
1190 | { |
1309 | { |
1191 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1310 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1192 | { |
1311 | { |
1193 | ev_timer *w = timers [0]; |
1312 | ev_timer *w = (ev_timer *)timers [0]; |
1194 | |
1313 | |
1195 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1314 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1196 | |
1315 | |
1197 | /* first reschedule or stop timer */ |
1316 | /* first reschedule or stop timer */ |
1198 | if (w->repeat) |
1317 | if (w->repeat) |
1199 | { |
1318 | { |
1200 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1319 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1201 | |
1320 | |
1202 | ((WT)w)->at += w->repeat; |
1321 | ((WT)w)->at += w->repeat; |
1203 | if (((WT)w)->at < mn_now) |
1322 | if (((WT)w)->at < mn_now) |
1204 | ((WT)w)->at = mn_now; |
1323 | ((WT)w)->at = mn_now; |
1205 | |
1324 | |
1206 | downheap ((WT *)timers, timercnt, 0); |
1325 | downheap (timers, timercnt, 0); |
1207 | } |
1326 | } |
1208 | else |
1327 | else |
1209 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1328 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1210 | |
1329 | |
1211 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1330 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1216 | void inline_size |
1335 | void inline_size |
1217 | periodics_reify (EV_P) |
1336 | periodics_reify (EV_P) |
1218 | { |
1337 | { |
1219 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1338 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1220 | { |
1339 | { |
1221 | ev_periodic *w = periodics [0]; |
1340 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1222 | |
1341 | |
1223 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1342 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1224 | |
1343 | |
1225 | /* first reschedule or stop timer */ |
1344 | /* first reschedule or stop timer */ |
1226 | if (w->reschedule_cb) |
1345 | if (w->reschedule_cb) |
1227 | { |
1346 | { |
1228 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1347 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1229 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1348 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1230 | downheap ((WT *)periodics, periodiccnt, 0); |
1349 | downheap (periodics, periodiccnt, 0); |
1231 | } |
1350 | } |
1232 | else if (w->interval) |
1351 | else if (w->interval) |
1233 | { |
1352 | { |
1234 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1353 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1354 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1235 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1355 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1236 | downheap ((WT *)periodics, periodiccnt, 0); |
1356 | downheap (periodics, periodiccnt, 0); |
1237 | } |
1357 | } |
1238 | else |
1358 | else |
1239 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1359 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1240 | |
1360 | |
1241 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1361 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1248 | int i; |
1368 | int i; |
1249 | |
1369 | |
1250 | /* adjust periodics after time jump */ |
1370 | /* adjust periodics after time jump */ |
1251 | for (i = 0; i < periodiccnt; ++i) |
1371 | for (i = 0; i < periodiccnt; ++i) |
1252 | { |
1372 | { |
1253 | ev_periodic *w = periodics [i]; |
1373 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1254 | |
1374 | |
1255 | if (w->reschedule_cb) |
1375 | if (w->reschedule_cb) |
1256 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1376 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1257 | else if (w->interval) |
1377 | else if (w->interval) |
1258 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1378 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1259 | } |
1379 | } |
1260 | |
1380 | |
1261 | /* now rebuild the heap */ |
1381 | /* now rebuild the heap */ |
1262 | for (i = periodiccnt >> 1; i--; ) |
1382 | for (i = periodiccnt >> 1; i--; ) |
1263 | downheap ((WT *)periodics, periodiccnt, i); |
1383 | downheap (periodics, periodiccnt, i); |
1264 | } |
1384 | } |
1265 | #endif |
1385 | #endif |
1266 | |
1386 | |
1267 | #if EV_IDLE_ENABLE |
1387 | #if EV_IDLE_ENABLE |
1268 | void inline_size |
1388 | void inline_size |
… | |
… | |
1285 | } |
1405 | } |
1286 | } |
1406 | } |
1287 | } |
1407 | } |
1288 | #endif |
1408 | #endif |
1289 | |
1409 | |
1290 | int inline_size |
1410 | void inline_speed |
1291 | time_update_monotonic (EV_P) |
1411 | time_update (EV_P_ ev_tstamp max_block) |
1292 | { |
1412 | { |
|
|
1413 | int i; |
|
|
1414 | |
|
|
1415 | #if EV_USE_MONOTONIC |
|
|
1416 | if (expect_true (have_monotonic)) |
|
|
1417 | { |
|
|
1418 | ev_tstamp odiff = rtmn_diff; |
|
|
1419 | |
1293 | mn_now = get_clock (); |
1420 | mn_now = get_clock (); |
1294 | |
1421 | |
|
|
1422 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1423 | /* interpolate in the meantime */ |
1295 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1424 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1296 | { |
1425 | { |
1297 | ev_rt_now = rtmn_diff + mn_now; |
1426 | ev_rt_now = rtmn_diff + mn_now; |
1298 | return 0; |
1427 | return; |
1299 | } |
1428 | } |
1300 | else |
1429 | |
1301 | { |
|
|
1302 | now_floor = mn_now; |
1430 | now_floor = mn_now; |
1303 | ev_rt_now = ev_time (); |
1431 | ev_rt_now = ev_time (); |
1304 | return 1; |
|
|
1305 | } |
|
|
1306 | } |
|
|
1307 | |
1432 | |
1308 | void inline_size |
1433 | /* loop a few times, before making important decisions. |
1309 | time_update (EV_P) |
1434 | * on the choice of "4": one iteration isn't enough, |
1310 | { |
1435 | * in case we get preempted during the calls to |
1311 | int i; |
1436 | * ev_time and get_clock. a second call is almost guaranteed |
1312 | |
1437 | * to succeed in that case, though. and looping a few more times |
1313 | #if EV_USE_MONOTONIC |
1438 | * doesn't hurt either as we only do this on time-jumps or |
1314 | if (expect_true (have_monotonic)) |
1439 | * in the unlikely event of having been preempted here. |
1315 | { |
1440 | */ |
1316 | if (time_update_monotonic (EV_A)) |
1441 | for (i = 4; --i; ) |
1317 | { |
1442 | { |
1318 | ev_tstamp odiff = rtmn_diff; |
|
|
1319 | |
|
|
1320 | /* loop a few times, before making important decisions. |
|
|
1321 | * on the choice of "4": one iteration isn't enough, |
|
|
1322 | * in case we get preempted during the calls to |
|
|
1323 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1324 | * to succeed in that case, though. and looping a few more times |
|
|
1325 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1326 | * in the unlikely event of having been preempted here. |
|
|
1327 | */ |
|
|
1328 | for (i = 4; --i; ) |
|
|
1329 | { |
|
|
1330 | rtmn_diff = ev_rt_now - mn_now; |
1443 | rtmn_diff = ev_rt_now - mn_now; |
1331 | |
1444 | |
1332 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1445 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1333 | return; /* all is well */ |
1446 | return; /* all is well */ |
1334 | |
1447 | |
1335 | ev_rt_now = ev_time (); |
1448 | ev_rt_now = ev_time (); |
1336 | mn_now = get_clock (); |
1449 | mn_now = get_clock (); |
1337 | now_floor = mn_now; |
1450 | now_floor = mn_now; |
1338 | } |
1451 | } |
1339 | |
1452 | |
1340 | # if EV_PERIODIC_ENABLE |
1453 | # if EV_PERIODIC_ENABLE |
1341 | periodics_reschedule (EV_A); |
1454 | periodics_reschedule (EV_A); |
1342 | # endif |
1455 | # endif |
1343 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1456 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1344 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1457 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1345 | } |
|
|
1346 | } |
1458 | } |
1347 | else |
1459 | else |
1348 | #endif |
1460 | #endif |
1349 | { |
1461 | { |
1350 | ev_rt_now = ev_time (); |
1462 | ev_rt_now = ev_time (); |
1351 | |
1463 | |
1352 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1464 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1353 | { |
1465 | { |
1354 | #if EV_PERIODIC_ENABLE |
1466 | #if EV_PERIODIC_ENABLE |
1355 | periodics_reschedule (EV_A); |
1467 | periodics_reschedule (EV_A); |
1356 | #endif |
1468 | #endif |
1357 | |
|
|
1358 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1469 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1359 | for (i = 0; i < timercnt; ++i) |
1470 | for (i = 0; i < timercnt; ++i) |
1360 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1471 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1361 | } |
1472 | } |
1362 | |
1473 | |
… | |
… | |
1406 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1517 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1407 | call_pending (EV_A); |
1518 | call_pending (EV_A); |
1408 | } |
1519 | } |
1409 | #endif |
1520 | #endif |
1410 | |
1521 | |
1411 | /* queue check watchers (and execute them) */ |
1522 | /* queue prepare watchers (and execute them) */ |
1412 | if (expect_false (preparecnt)) |
1523 | if (expect_false (preparecnt)) |
1413 | { |
1524 | { |
1414 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1525 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1415 | call_pending (EV_A); |
1526 | call_pending (EV_A); |
1416 | } |
1527 | } |
… | |
… | |
1425 | /* update fd-related kernel structures */ |
1536 | /* update fd-related kernel structures */ |
1426 | fd_reify (EV_A); |
1537 | fd_reify (EV_A); |
1427 | |
1538 | |
1428 | /* calculate blocking time */ |
1539 | /* calculate blocking time */ |
1429 | { |
1540 | { |
1430 | ev_tstamp block; |
1541 | ev_tstamp waittime = 0.; |
|
|
1542 | ev_tstamp sleeptime = 0.; |
1431 | |
1543 | |
1432 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1544 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1433 | block = 0.; /* do not block at all */ |
|
|
1434 | else |
|
|
1435 | { |
1545 | { |
1436 | /* update time to cancel out callback processing overhead */ |
1546 | /* update time to cancel out callback processing overhead */ |
1437 | #if EV_USE_MONOTONIC |
|
|
1438 | if (expect_true (have_monotonic)) |
|
|
1439 | time_update_monotonic (EV_A); |
1547 | time_update (EV_A_ 1e100); |
1440 | else |
|
|
1441 | #endif |
|
|
1442 | { |
|
|
1443 | ev_rt_now = ev_time (); |
|
|
1444 | mn_now = ev_rt_now; |
|
|
1445 | } |
|
|
1446 | |
1548 | |
1447 | block = MAX_BLOCKTIME; |
1549 | waittime = MAX_BLOCKTIME; |
1448 | |
1550 | |
1449 | if (timercnt) |
1551 | if (timercnt) |
1450 | { |
1552 | { |
1451 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1553 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1452 | if (block > to) block = to; |
1554 | if (waittime > to) waittime = to; |
1453 | } |
1555 | } |
1454 | |
1556 | |
1455 | #if EV_PERIODIC_ENABLE |
1557 | #if EV_PERIODIC_ENABLE |
1456 | if (periodiccnt) |
1558 | if (periodiccnt) |
1457 | { |
1559 | { |
1458 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1560 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1459 | if (block > to) block = to; |
1561 | if (waittime > to) waittime = to; |
1460 | } |
1562 | } |
1461 | #endif |
1563 | #endif |
1462 | |
1564 | |
1463 | if (expect_false (block < 0.)) block = 0.; |
1565 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1566 | waittime = timeout_blocktime; |
|
|
1567 | |
|
|
1568 | sleeptime = waittime - backend_fudge; |
|
|
1569 | |
|
|
1570 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1571 | sleeptime = io_blocktime; |
|
|
1572 | |
|
|
1573 | if (sleeptime) |
|
|
1574 | { |
|
|
1575 | ev_sleep (sleeptime); |
|
|
1576 | waittime -= sleeptime; |
|
|
1577 | } |
1464 | } |
1578 | } |
1465 | |
1579 | |
1466 | ++loop_count; |
1580 | ++loop_count; |
1467 | backend_poll (EV_A_ block); |
1581 | backend_poll (EV_A_ waittime); |
|
|
1582 | |
|
|
1583 | /* update ev_rt_now, do magic */ |
|
|
1584 | time_update (EV_A_ waittime + sleeptime); |
1468 | } |
1585 | } |
1469 | |
|
|
1470 | /* update ev_rt_now, do magic */ |
|
|
1471 | time_update (EV_A); |
|
|
1472 | |
1586 | |
1473 | /* queue pending timers and reschedule them */ |
1587 | /* queue pending timers and reschedule them */ |
1474 | timers_reify (EV_A); /* relative timers called last */ |
1588 | timers_reify (EV_A); /* relative timers called last */ |
1475 | #if EV_PERIODIC_ENABLE |
1589 | #if EV_PERIODIC_ENABLE |
1476 | periodics_reify (EV_A); /* absolute timers called first */ |
1590 | periodics_reify (EV_A); /* absolute timers called first */ |
… | |
… | |
1523 | head = &(*head)->next; |
1637 | head = &(*head)->next; |
1524 | } |
1638 | } |
1525 | } |
1639 | } |
1526 | |
1640 | |
1527 | void inline_speed |
1641 | void inline_speed |
1528 | ev_clear_pending (EV_P_ W w) |
1642 | clear_pending (EV_P_ W w) |
1529 | { |
1643 | { |
1530 | if (w->pending) |
1644 | if (w->pending) |
1531 | { |
1645 | { |
1532 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1646 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1533 | w->pending = 0; |
1647 | w->pending = 0; |
1534 | } |
1648 | } |
|
|
1649 | } |
|
|
1650 | |
|
|
1651 | int |
|
|
1652 | ev_clear_pending (EV_P_ void *w) |
|
|
1653 | { |
|
|
1654 | W w_ = (W)w; |
|
|
1655 | int pending = w_->pending; |
|
|
1656 | |
|
|
1657 | if (expect_true (pending)) |
|
|
1658 | { |
|
|
1659 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1660 | w_->pending = 0; |
|
|
1661 | p->w = 0; |
|
|
1662 | return p->events; |
|
|
1663 | } |
|
|
1664 | else |
|
|
1665 | return 0; |
1535 | } |
1666 | } |
1536 | |
1667 | |
1537 | void inline_size |
1668 | void inline_size |
1538 | pri_adjust (EV_P_ W w) |
1669 | pri_adjust (EV_P_ W w) |
1539 | { |
1670 | { |
… | |
… | |
1558 | w->active = 0; |
1689 | w->active = 0; |
1559 | } |
1690 | } |
1560 | |
1691 | |
1561 | /*****************************************************************************/ |
1692 | /*****************************************************************************/ |
1562 | |
1693 | |
1563 | void |
1694 | void noinline |
1564 | ev_io_start (EV_P_ ev_io *w) |
1695 | ev_io_start (EV_P_ ev_io *w) |
1565 | { |
1696 | { |
1566 | int fd = w->fd; |
1697 | int fd = w->fd; |
1567 | |
1698 | |
1568 | if (expect_false (ev_is_active (w))) |
1699 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1570 | |
1701 | |
1571 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1702 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1572 | |
1703 | |
1573 | ev_start (EV_A_ (W)w, 1); |
1704 | ev_start (EV_A_ (W)w, 1); |
1574 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1705 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1575 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1706 | wlist_add (&anfds[fd].head, (WL)w); |
1576 | |
1707 | |
1577 | fd_change (EV_A_ fd); |
1708 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1709 | w->events &= ~EV_IOFDSET; |
1578 | } |
1710 | } |
1579 | |
1711 | |
1580 | void |
1712 | void noinline |
1581 | ev_io_stop (EV_P_ ev_io *w) |
1713 | ev_io_stop (EV_P_ ev_io *w) |
1582 | { |
1714 | { |
1583 | ev_clear_pending (EV_A_ (W)w); |
1715 | clear_pending (EV_A_ (W)w); |
1584 | if (expect_false (!ev_is_active (w))) |
1716 | if (expect_false (!ev_is_active (w))) |
1585 | return; |
1717 | return; |
1586 | |
1718 | |
1587 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1719 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1588 | |
1720 | |
1589 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1721 | wlist_del (&anfds[w->fd].head, (WL)w); |
1590 | ev_stop (EV_A_ (W)w); |
1722 | ev_stop (EV_A_ (W)w); |
1591 | |
1723 | |
1592 | fd_change (EV_A_ w->fd); |
1724 | fd_change (EV_A_ w->fd, 1); |
1593 | } |
1725 | } |
1594 | |
1726 | |
1595 | void |
1727 | void noinline |
1596 | ev_timer_start (EV_P_ ev_timer *w) |
1728 | ev_timer_start (EV_P_ ev_timer *w) |
1597 | { |
1729 | { |
1598 | if (expect_false (ev_is_active (w))) |
1730 | if (expect_false (ev_is_active (w))) |
1599 | return; |
1731 | return; |
1600 | |
1732 | |
1601 | ((WT)w)->at += mn_now; |
1733 | ((WT)w)->at += mn_now; |
1602 | |
1734 | |
1603 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1735 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1604 | |
1736 | |
1605 | ev_start (EV_A_ (W)w, ++timercnt); |
1737 | ev_start (EV_A_ (W)w, ++timercnt); |
1606 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1738 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1607 | timers [timercnt - 1] = w; |
1739 | timers [timercnt - 1] = (WT)w; |
1608 | upheap ((WT *)timers, timercnt - 1); |
1740 | upheap (timers, timercnt - 1); |
1609 | |
1741 | |
1610 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1742 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1611 | } |
1743 | } |
1612 | |
1744 | |
1613 | void |
1745 | void noinline |
1614 | ev_timer_stop (EV_P_ ev_timer *w) |
1746 | ev_timer_stop (EV_P_ ev_timer *w) |
1615 | { |
1747 | { |
1616 | ev_clear_pending (EV_A_ (W)w); |
1748 | clear_pending (EV_A_ (W)w); |
1617 | if (expect_false (!ev_is_active (w))) |
1749 | if (expect_false (!ev_is_active (w))) |
1618 | return; |
1750 | return; |
1619 | |
1751 | |
1620 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1752 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1621 | |
1753 | |
1622 | { |
1754 | { |
1623 | int active = ((W)w)->active; |
1755 | int active = ((W)w)->active; |
1624 | |
1756 | |
1625 | if (expect_true (--active < --timercnt)) |
1757 | if (expect_true (--active < --timercnt)) |
1626 | { |
1758 | { |
1627 | timers [active] = timers [timercnt]; |
1759 | timers [active] = timers [timercnt]; |
1628 | adjustheap ((WT *)timers, timercnt, active); |
1760 | adjustheap (timers, timercnt, active); |
1629 | } |
1761 | } |
1630 | } |
1762 | } |
1631 | |
1763 | |
1632 | ((WT)w)->at -= mn_now; |
1764 | ((WT)w)->at -= mn_now; |
1633 | |
1765 | |
1634 | ev_stop (EV_A_ (W)w); |
1766 | ev_stop (EV_A_ (W)w); |
1635 | } |
1767 | } |
1636 | |
1768 | |
1637 | void |
1769 | void noinline |
1638 | ev_timer_again (EV_P_ ev_timer *w) |
1770 | ev_timer_again (EV_P_ ev_timer *w) |
1639 | { |
1771 | { |
1640 | if (ev_is_active (w)) |
1772 | if (ev_is_active (w)) |
1641 | { |
1773 | { |
1642 | if (w->repeat) |
1774 | if (w->repeat) |
1643 | { |
1775 | { |
1644 | ((WT)w)->at = mn_now + w->repeat; |
1776 | ((WT)w)->at = mn_now + w->repeat; |
1645 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1777 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1646 | } |
1778 | } |
1647 | else |
1779 | else |
1648 | ev_timer_stop (EV_A_ w); |
1780 | ev_timer_stop (EV_A_ w); |
1649 | } |
1781 | } |
1650 | else if (w->repeat) |
1782 | else if (w->repeat) |
… | |
… | |
1653 | ev_timer_start (EV_A_ w); |
1785 | ev_timer_start (EV_A_ w); |
1654 | } |
1786 | } |
1655 | } |
1787 | } |
1656 | |
1788 | |
1657 | #if EV_PERIODIC_ENABLE |
1789 | #if EV_PERIODIC_ENABLE |
1658 | void |
1790 | void noinline |
1659 | ev_periodic_start (EV_P_ ev_periodic *w) |
1791 | ev_periodic_start (EV_P_ ev_periodic *w) |
1660 | { |
1792 | { |
1661 | if (expect_false (ev_is_active (w))) |
1793 | if (expect_false (ev_is_active (w))) |
1662 | return; |
1794 | return; |
1663 | |
1795 | |
… | |
… | |
1665 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1797 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1666 | else if (w->interval) |
1798 | else if (w->interval) |
1667 | { |
1799 | { |
1668 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1800 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1669 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1801 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1670 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1802 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1671 | } |
1803 | } |
|
|
1804 | else |
|
|
1805 | ((WT)w)->at = w->offset; |
1672 | |
1806 | |
1673 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1807 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1674 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1808 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1675 | periodics [periodiccnt - 1] = w; |
1809 | periodics [periodiccnt - 1] = (WT)w; |
1676 | upheap ((WT *)periodics, periodiccnt - 1); |
1810 | upheap (periodics, periodiccnt - 1); |
1677 | |
1811 | |
1678 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1812 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1679 | } |
1813 | } |
1680 | |
1814 | |
1681 | void |
1815 | void noinline |
1682 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1816 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1683 | { |
1817 | { |
1684 | ev_clear_pending (EV_A_ (W)w); |
1818 | clear_pending (EV_A_ (W)w); |
1685 | if (expect_false (!ev_is_active (w))) |
1819 | if (expect_false (!ev_is_active (w))) |
1686 | return; |
1820 | return; |
1687 | |
1821 | |
1688 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1822 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1689 | |
1823 | |
1690 | { |
1824 | { |
1691 | int active = ((W)w)->active; |
1825 | int active = ((W)w)->active; |
1692 | |
1826 | |
1693 | if (expect_true (--active < --periodiccnt)) |
1827 | if (expect_true (--active < --periodiccnt)) |
1694 | { |
1828 | { |
1695 | periodics [active] = periodics [periodiccnt]; |
1829 | periodics [active] = periodics [periodiccnt]; |
1696 | adjustheap ((WT *)periodics, periodiccnt, active); |
1830 | adjustheap (periodics, periodiccnt, active); |
1697 | } |
1831 | } |
1698 | } |
1832 | } |
1699 | |
1833 | |
1700 | ev_stop (EV_A_ (W)w); |
1834 | ev_stop (EV_A_ (W)w); |
1701 | } |
1835 | } |
1702 | |
1836 | |
1703 | void |
1837 | void noinline |
1704 | ev_periodic_again (EV_P_ ev_periodic *w) |
1838 | ev_periodic_again (EV_P_ ev_periodic *w) |
1705 | { |
1839 | { |
1706 | /* TODO: use adjustheap and recalculation */ |
1840 | /* TODO: use adjustheap and recalculation */ |
1707 | ev_periodic_stop (EV_A_ w); |
1841 | ev_periodic_stop (EV_A_ w); |
1708 | ev_periodic_start (EV_A_ w); |
1842 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1711 | |
1845 | |
1712 | #ifndef SA_RESTART |
1846 | #ifndef SA_RESTART |
1713 | # define SA_RESTART 0 |
1847 | # define SA_RESTART 0 |
1714 | #endif |
1848 | #endif |
1715 | |
1849 | |
1716 | void |
1850 | void noinline |
1717 | ev_signal_start (EV_P_ ev_signal *w) |
1851 | ev_signal_start (EV_P_ ev_signal *w) |
1718 | { |
1852 | { |
1719 | #if EV_MULTIPLICITY |
1853 | #if EV_MULTIPLICITY |
1720 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1854 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1721 | #endif |
1855 | #endif |
1722 | if (expect_false (ev_is_active (w))) |
1856 | if (expect_false (ev_is_active (w))) |
1723 | return; |
1857 | return; |
1724 | |
1858 | |
1725 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1859 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1726 | |
1860 | |
|
|
1861 | { |
|
|
1862 | #ifndef _WIN32 |
|
|
1863 | sigset_t full, prev; |
|
|
1864 | sigfillset (&full); |
|
|
1865 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1866 | #endif |
|
|
1867 | |
|
|
1868 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1869 | |
|
|
1870 | #ifndef _WIN32 |
|
|
1871 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1872 | #endif |
|
|
1873 | } |
|
|
1874 | |
1727 | ev_start (EV_A_ (W)w, 1); |
1875 | ev_start (EV_A_ (W)w, 1); |
1728 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1729 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1876 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1730 | |
1877 | |
1731 | if (!((WL)w)->next) |
1878 | if (!((WL)w)->next) |
1732 | { |
1879 | { |
1733 | #if _WIN32 |
1880 | #if _WIN32 |
1734 | signal (w->signum, sighandler); |
1881 | signal (w->signum, sighandler); |
… | |
… | |
1740 | sigaction (w->signum, &sa, 0); |
1887 | sigaction (w->signum, &sa, 0); |
1741 | #endif |
1888 | #endif |
1742 | } |
1889 | } |
1743 | } |
1890 | } |
1744 | |
1891 | |
1745 | void |
1892 | void noinline |
1746 | ev_signal_stop (EV_P_ ev_signal *w) |
1893 | ev_signal_stop (EV_P_ ev_signal *w) |
1747 | { |
1894 | { |
1748 | ev_clear_pending (EV_A_ (W)w); |
1895 | clear_pending (EV_A_ (W)w); |
1749 | if (expect_false (!ev_is_active (w))) |
1896 | if (expect_false (!ev_is_active (w))) |
1750 | return; |
1897 | return; |
1751 | |
1898 | |
1752 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1899 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1753 | ev_stop (EV_A_ (W)w); |
1900 | ev_stop (EV_A_ (W)w); |
1754 | |
1901 | |
1755 | if (!signals [w->signum - 1].head) |
1902 | if (!signals [w->signum - 1].head) |
1756 | signal (w->signum, SIG_DFL); |
1903 | signal (w->signum, SIG_DFL); |
1757 | } |
1904 | } |
… | |
… | |
1764 | #endif |
1911 | #endif |
1765 | if (expect_false (ev_is_active (w))) |
1912 | if (expect_false (ev_is_active (w))) |
1766 | return; |
1913 | return; |
1767 | |
1914 | |
1768 | ev_start (EV_A_ (W)w, 1); |
1915 | ev_start (EV_A_ (W)w, 1); |
1769 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1916 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1770 | } |
1917 | } |
1771 | |
1918 | |
1772 | void |
1919 | void |
1773 | ev_child_stop (EV_P_ ev_child *w) |
1920 | ev_child_stop (EV_P_ ev_child *w) |
1774 | { |
1921 | { |
1775 | ev_clear_pending (EV_A_ (W)w); |
1922 | clear_pending (EV_A_ (W)w); |
1776 | if (expect_false (!ev_is_active (w))) |
1923 | if (expect_false (!ev_is_active (w))) |
1777 | return; |
1924 | return; |
1778 | |
1925 | |
1779 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1926 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1780 | ev_stop (EV_A_ (W)w); |
1927 | ev_stop (EV_A_ (W)w); |
1781 | } |
1928 | } |
1782 | |
1929 | |
1783 | #if EV_STAT_ENABLE |
1930 | #if EV_STAT_ENABLE |
1784 | |
1931 | |
… | |
… | |
2016 | } |
2163 | } |
2017 | |
2164 | |
2018 | void |
2165 | void |
2019 | ev_stat_stop (EV_P_ ev_stat *w) |
2166 | ev_stat_stop (EV_P_ ev_stat *w) |
2020 | { |
2167 | { |
2021 | ev_clear_pending (EV_A_ (W)w); |
2168 | clear_pending (EV_A_ (W)w); |
2022 | if (expect_false (!ev_is_active (w))) |
2169 | if (expect_false (!ev_is_active (w))) |
2023 | return; |
2170 | return; |
2024 | |
2171 | |
2025 | #if EV_USE_INOTIFY |
2172 | #if EV_USE_INOTIFY |
2026 | infy_del (EV_A_ w); |
2173 | infy_del (EV_A_ w); |
… | |
… | |
2052 | } |
2199 | } |
2053 | |
2200 | |
2054 | void |
2201 | void |
2055 | ev_idle_stop (EV_P_ ev_idle *w) |
2202 | ev_idle_stop (EV_P_ ev_idle *w) |
2056 | { |
2203 | { |
2057 | ev_clear_pending (EV_A_ (W)w); |
2204 | clear_pending (EV_A_ (W)w); |
2058 | if (expect_false (!ev_is_active (w))) |
2205 | if (expect_false (!ev_is_active (w))) |
2059 | return; |
2206 | return; |
2060 | |
2207 | |
2061 | { |
2208 | { |
2062 | int active = ((W)w)->active; |
2209 | int active = ((W)w)->active; |
… | |
… | |
2082 | } |
2229 | } |
2083 | |
2230 | |
2084 | void |
2231 | void |
2085 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2232 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2086 | { |
2233 | { |
2087 | ev_clear_pending (EV_A_ (W)w); |
2234 | clear_pending (EV_A_ (W)w); |
2088 | if (expect_false (!ev_is_active (w))) |
2235 | if (expect_false (!ev_is_active (w))) |
2089 | return; |
2236 | return; |
2090 | |
2237 | |
2091 | { |
2238 | { |
2092 | int active = ((W)w)->active; |
2239 | int active = ((W)w)->active; |
… | |
… | |
2109 | } |
2256 | } |
2110 | |
2257 | |
2111 | void |
2258 | void |
2112 | ev_check_stop (EV_P_ ev_check *w) |
2259 | ev_check_stop (EV_P_ ev_check *w) |
2113 | { |
2260 | { |
2114 | ev_clear_pending (EV_A_ (W)w); |
2261 | clear_pending (EV_A_ (W)w); |
2115 | if (expect_false (!ev_is_active (w))) |
2262 | if (expect_false (!ev_is_active (w))) |
2116 | return; |
2263 | return; |
2117 | |
2264 | |
2118 | { |
2265 | { |
2119 | int active = ((W)w)->active; |
2266 | int active = ((W)w)->active; |
… | |
… | |
2126 | |
2273 | |
2127 | #if EV_EMBED_ENABLE |
2274 | #if EV_EMBED_ENABLE |
2128 | void noinline |
2275 | void noinline |
2129 | ev_embed_sweep (EV_P_ ev_embed *w) |
2276 | ev_embed_sweep (EV_P_ ev_embed *w) |
2130 | { |
2277 | { |
2131 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2278 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2132 | } |
2279 | } |
2133 | |
2280 | |
2134 | static void |
2281 | static void |
2135 | embed_cb (EV_P_ ev_io *io, int revents) |
2282 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2136 | { |
2283 | { |
2137 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2284 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2138 | |
2285 | |
2139 | if (ev_cb (w)) |
2286 | if (ev_cb (w)) |
2140 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2287 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2141 | else |
2288 | else |
2142 | ev_embed_sweep (loop, w); |
2289 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2143 | } |
2290 | } |
|
|
2291 | |
|
|
2292 | static void |
|
|
2293 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2294 | { |
|
|
2295 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2296 | |
|
|
2297 | { |
|
|
2298 | struct ev_loop *loop = w->other; |
|
|
2299 | |
|
|
2300 | while (fdchangecnt) |
|
|
2301 | { |
|
|
2302 | fd_reify (EV_A); |
|
|
2303 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2304 | } |
|
|
2305 | } |
|
|
2306 | } |
|
|
2307 | |
|
|
2308 | #if 0 |
|
|
2309 | static void |
|
|
2310 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
2311 | { |
|
|
2312 | ev_idle_stop (EV_A_ idle); |
|
|
2313 | } |
|
|
2314 | #endif |
2144 | |
2315 | |
2145 | void |
2316 | void |
2146 | ev_embed_start (EV_P_ ev_embed *w) |
2317 | ev_embed_start (EV_P_ ev_embed *w) |
2147 | { |
2318 | { |
2148 | if (expect_false (ev_is_active (w))) |
2319 | if (expect_false (ev_is_active (w))) |
2149 | return; |
2320 | return; |
2150 | |
2321 | |
2151 | { |
2322 | { |
2152 | struct ev_loop *loop = w->loop; |
2323 | struct ev_loop *loop = w->other; |
2153 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2324 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2154 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2325 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2155 | } |
2326 | } |
2156 | |
2327 | |
2157 | ev_set_priority (&w->io, ev_priority (w)); |
2328 | ev_set_priority (&w->io, ev_priority (w)); |
2158 | ev_io_start (EV_A_ &w->io); |
2329 | ev_io_start (EV_A_ &w->io); |
2159 | |
2330 | |
|
|
2331 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2332 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2333 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2334 | |
|
|
2335 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
2336 | |
2160 | ev_start (EV_A_ (W)w, 1); |
2337 | ev_start (EV_A_ (W)w, 1); |
2161 | } |
2338 | } |
2162 | |
2339 | |
2163 | void |
2340 | void |
2164 | ev_embed_stop (EV_P_ ev_embed *w) |
2341 | ev_embed_stop (EV_P_ ev_embed *w) |
2165 | { |
2342 | { |
2166 | ev_clear_pending (EV_A_ (W)w); |
2343 | clear_pending (EV_A_ (W)w); |
2167 | if (expect_false (!ev_is_active (w))) |
2344 | if (expect_false (!ev_is_active (w))) |
2168 | return; |
2345 | return; |
2169 | |
2346 | |
2170 | ev_io_stop (EV_A_ &w->io); |
2347 | ev_io_stop (EV_A_ &w->io); |
|
|
2348 | ev_prepare_stop (EV_A_ &w->prepare); |
2171 | |
2349 | |
2172 | ev_stop (EV_A_ (W)w); |
2350 | ev_stop (EV_A_ (W)w); |
2173 | } |
2351 | } |
2174 | #endif |
2352 | #endif |
2175 | |
2353 | |
… | |
… | |
2186 | } |
2364 | } |
2187 | |
2365 | |
2188 | void |
2366 | void |
2189 | ev_fork_stop (EV_P_ ev_fork *w) |
2367 | ev_fork_stop (EV_P_ ev_fork *w) |
2190 | { |
2368 | { |
2191 | ev_clear_pending (EV_A_ (W)w); |
2369 | clear_pending (EV_A_ (W)w); |
2192 | if (expect_false (!ev_is_active (w))) |
2370 | if (expect_false (!ev_is_active (w))) |
2193 | return; |
2371 | return; |
2194 | |
2372 | |
2195 | { |
2373 | { |
2196 | int active = ((W)w)->active; |
2374 | int active = ((W)w)->active; |
… | |
… | |
2264 | ev_timer_set (&once->to, timeout, 0.); |
2442 | ev_timer_set (&once->to, timeout, 0.); |
2265 | ev_timer_start (EV_A_ &once->to); |
2443 | ev_timer_start (EV_A_ &once->to); |
2266 | } |
2444 | } |
2267 | } |
2445 | } |
2268 | |
2446 | |
|
|
2447 | #if EV_MULTIPLICITY |
|
|
2448 | #include "ev_wrap.h" |
|
|
2449 | #endif |
|
|
2450 | |
2269 | #ifdef __cplusplus |
2451 | #ifdef __cplusplus |
2270 | } |
2452 | } |
2271 | #endif |
2453 | #endif |
2272 | |
2454 | |