… | |
… | |
32 | #ifdef __cplusplus |
32 | #ifdef __cplusplus |
33 | extern "C" { |
33 | extern "C" { |
34 | #endif |
34 | #endif |
35 | |
35 | |
36 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
|
|
37 | # ifdef EV_CONFIG_H |
|
|
38 | # include EV_CONFIG_H |
|
|
39 | # else |
37 | # include "config.h" |
40 | # include "config.h" |
|
|
41 | # endif |
38 | |
42 | |
39 | # if HAVE_CLOCK_GETTIME |
43 | # if HAVE_CLOCK_GETTIME |
40 | # ifndef EV_USE_MONOTONIC |
44 | # ifndef EV_USE_MONOTONIC |
41 | # define EV_USE_MONOTONIC 1 |
45 | # define EV_USE_MONOTONIC 1 |
42 | # endif |
46 | # endif |
… | |
… | |
107 | #include <time.h> |
111 | #include <time.h> |
108 | |
112 | |
109 | #include <signal.h> |
113 | #include <signal.h> |
110 | |
114 | |
111 | #ifndef _WIN32 |
115 | #ifndef _WIN32 |
112 | # include <unistd.h> |
|
|
113 | # include <sys/time.h> |
116 | # include <sys/time.h> |
114 | # include <sys/wait.h> |
117 | # include <sys/wait.h> |
|
|
118 | # include <unistd.h> |
115 | #else |
119 | #else |
116 | # define WIN32_LEAN_AND_MEAN |
120 | # define WIN32_LEAN_AND_MEAN |
117 | # include <windows.h> |
121 | # include <windows.h> |
118 | # ifndef EV_SELECT_IS_WINSOCKET |
122 | # ifndef EV_SELECT_IS_WINSOCKET |
119 | # define EV_SELECT_IS_WINSOCKET 1 |
123 | # define EV_SELECT_IS_WINSOCKET 1 |
… | |
… | |
154 | # define EV_USE_PORT 0 |
158 | # define EV_USE_PORT 0 |
155 | #endif |
159 | #endif |
156 | |
160 | |
157 | /**/ |
161 | /**/ |
158 | |
162 | |
159 | /* darwin simply cannot be helped */ |
|
|
160 | #ifdef __APPLE__ |
|
|
161 | # undef EV_USE_POLL |
|
|
162 | # undef EV_USE_KQUEUE |
|
|
163 | #endif |
|
|
164 | |
|
|
165 | #ifndef CLOCK_MONOTONIC |
163 | #ifndef CLOCK_MONOTONIC |
166 | # undef EV_USE_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
167 | # define EV_USE_MONOTONIC 0 |
165 | # define EV_USE_MONOTONIC 0 |
168 | #endif |
166 | #endif |
169 | |
167 | |
… | |
… | |
189 | # include "ev.h" |
187 | # include "ev.h" |
190 | #endif |
188 | #endif |
191 | |
189 | |
192 | #if __GNUC__ >= 3 |
190 | #if __GNUC__ >= 3 |
193 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
192 | # define inline_size static inline /* inline for codesize */ |
|
|
193 | # if EV_MINIMAL |
|
|
194 | # define noinline __attribute__ ((noinline)) |
|
|
195 | # define inline_speed static noinline |
|
|
196 | # else |
|
|
197 | # define noinline |
194 | # define inline static inline |
198 | # define inline_speed static inline |
|
|
199 | # endif |
195 | #else |
200 | #else |
196 | # define expect(expr,value) (expr) |
201 | # define expect(expr,value) (expr) |
|
|
202 | # define inline_speed static |
197 | # define inline static |
203 | # define inline_size static |
|
|
204 | # define noinline |
198 | #endif |
205 | #endif |
199 | |
206 | |
200 | #define expect_false(expr) expect ((expr) != 0, 0) |
207 | #define expect_false(expr) expect ((expr) != 0, 0) |
201 | #define expect_true(expr) expect ((expr) != 0, 1) |
208 | #define expect_true(expr) expect ((expr) != 0, 1) |
202 | |
209 | |
… | |
… | |
204 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
211 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
205 | |
212 | |
206 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
213 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
207 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
214 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
208 | |
215 | |
209 | typedef struct ev_watcher *W; |
216 | typedef ev_watcher *W; |
210 | typedef struct ev_watcher_list *WL; |
217 | typedef ev_watcher_list *WL; |
211 | typedef struct ev_watcher_time *WT; |
218 | typedef ev_watcher_time *WT; |
212 | |
219 | |
213 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
220 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
214 | |
221 | |
215 | #ifdef _WIN32 |
222 | #ifdef _WIN32 |
216 | # include "ev_win32.c" |
223 | # include "ev_win32.c" |
… | |
… | |
218 | |
225 | |
219 | /*****************************************************************************/ |
226 | /*****************************************************************************/ |
220 | |
227 | |
221 | static void (*syserr_cb)(const char *msg); |
228 | static void (*syserr_cb)(const char *msg); |
222 | |
229 | |
|
|
230 | void |
223 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
231 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
224 | { |
232 | { |
225 | syserr_cb = cb; |
233 | syserr_cb = cb; |
226 | } |
234 | } |
227 | |
235 | |
228 | static void |
236 | static void noinline |
229 | syserr (const char *msg) |
237 | syserr (const char *msg) |
230 | { |
238 | { |
231 | if (!msg) |
239 | if (!msg) |
232 | msg = "(libev) system error"; |
240 | msg = "(libev) system error"; |
233 | |
241 | |
… | |
… | |
240 | } |
248 | } |
241 | } |
249 | } |
242 | |
250 | |
243 | static void *(*alloc)(void *ptr, long size); |
251 | static void *(*alloc)(void *ptr, long size); |
244 | |
252 | |
|
|
253 | void |
245 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
254 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
246 | { |
255 | { |
247 | alloc = cb; |
256 | alloc = cb; |
248 | } |
257 | } |
249 | |
258 | |
250 | static void * |
259 | static void * |
… | |
… | |
322 | gettimeofday (&tv, 0); |
331 | gettimeofday (&tv, 0); |
323 | return tv.tv_sec + tv.tv_usec * 1e-6; |
332 | return tv.tv_sec + tv.tv_usec * 1e-6; |
324 | #endif |
333 | #endif |
325 | } |
334 | } |
326 | |
335 | |
327 | inline ev_tstamp |
336 | ev_tstamp inline_size |
328 | get_clock (void) |
337 | get_clock (void) |
329 | { |
338 | { |
330 | #if EV_USE_MONOTONIC |
339 | #if EV_USE_MONOTONIC |
331 | if (expect_true (have_monotonic)) |
340 | if (expect_true (have_monotonic)) |
332 | { |
341 | { |
… | |
… | |
375 | #define array_free(stem, idx) \ |
384 | #define array_free(stem, idx) \ |
376 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
385 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
377 | |
386 | |
378 | /*****************************************************************************/ |
387 | /*****************************************************************************/ |
379 | |
388 | |
380 | static void |
389 | void noinline |
381 | anfds_init (ANFD *base, int count) |
|
|
382 | { |
|
|
383 | while (count--) |
|
|
384 | { |
|
|
385 | base->head = 0; |
|
|
386 | base->events = EV_NONE; |
|
|
387 | base->reify = 0; |
|
|
388 | |
|
|
389 | ++base; |
|
|
390 | } |
|
|
391 | } |
|
|
392 | |
|
|
393 | void |
|
|
394 | ev_feed_event (EV_P_ void *w, int revents) |
390 | ev_feed_event (EV_P_ void *w, int revents) |
395 | { |
391 | { |
396 | W w_ = (W)w; |
392 | W w_ = (W)w; |
397 | |
393 | |
398 | if (expect_false (w_->pending)) |
394 | if (expect_false (w_->pending)) |
… | |
… | |
405 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
401 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
406 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
402 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
407 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
403 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
408 | } |
404 | } |
409 | |
405 | |
410 | static void |
406 | void inline_size |
411 | queue_events (EV_P_ W *events, int eventcnt, int type) |
407 | queue_events (EV_P_ W *events, int eventcnt, int type) |
412 | { |
408 | { |
413 | int i; |
409 | int i; |
414 | |
410 | |
415 | for (i = 0; i < eventcnt; ++i) |
411 | for (i = 0; i < eventcnt; ++i) |
416 | ev_feed_event (EV_A_ events [i], type); |
412 | ev_feed_event (EV_A_ events [i], type); |
417 | } |
413 | } |
418 | |
414 | |
419 | inline void |
415 | /*****************************************************************************/ |
|
|
416 | |
|
|
417 | void inline_size |
|
|
418 | anfds_init (ANFD *base, int count) |
|
|
419 | { |
|
|
420 | while (count--) |
|
|
421 | { |
|
|
422 | base->head = 0; |
|
|
423 | base->events = EV_NONE; |
|
|
424 | base->reify = 0; |
|
|
425 | |
|
|
426 | ++base; |
|
|
427 | } |
|
|
428 | } |
|
|
429 | |
|
|
430 | void inline_speed |
420 | fd_event (EV_P_ int fd, int revents) |
431 | fd_event (EV_P_ int fd, int revents) |
421 | { |
432 | { |
422 | ANFD *anfd = anfds + fd; |
433 | ANFD *anfd = anfds + fd; |
423 | struct ev_io *w; |
434 | ev_io *w; |
424 | |
435 | |
425 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
436 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
426 | { |
437 | { |
427 | int ev = w->events & revents; |
438 | int ev = w->events & revents; |
428 | |
439 | |
429 | if (ev) |
440 | if (ev) |
430 | ev_feed_event (EV_A_ (W)w, ev); |
441 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
435 | ev_feed_fd_event (EV_P_ int fd, int revents) |
446 | ev_feed_fd_event (EV_P_ int fd, int revents) |
436 | { |
447 | { |
437 | fd_event (EV_A_ fd, revents); |
448 | fd_event (EV_A_ fd, revents); |
438 | } |
449 | } |
439 | |
450 | |
440 | /*****************************************************************************/ |
451 | void inline_size |
441 | |
|
|
442 | inline void |
|
|
443 | fd_reify (EV_P) |
452 | fd_reify (EV_P) |
444 | { |
453 | { |
445 | int i; |
454 | int i; |
446 | |
455 | |
447 | for (i = 0; i < fdchangecnt; ++i) |
456 | for (i = 0; i < fdchangecnt; ++i) |
448 | { |
457 | { |
449 | int fd = fdchanges [i]; |
458 | int fd = fdchanges [i]; |
450 | ANFD *anfd = anfds + fd; |
459 | ANFD *anfd = anfds + fd; |
451 | struct ev_io *w; |
460 | ev_io *w; |
452 | |
461 | |
453 | int events = 0; |
462 | int events = 0; |
454 | |
463 | |
455 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
464 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
456 | events |= w->events; |
465 | events |= w->events; |
457 | |
466 | |
458 | #if EV_SELECT_IS_WINSOCKET |
467 | #if EV_SELECT_IS_WINSOCKET |
459 | if (events) |
468 | if (events) |
460 | { |
469 | { |
… | |
… | |
464 | } |
473 | } |
465 | #endif |
474 | #endif |
466 | |
475 | |
467 | anfd->reify = 0; |
476 | anfd->reify = 0; |
468 | |
477 | |
469 | method_modify (EV_A_ fd, anfd->events, events); |
478 | backend_modify (EV_A_ fd, anfd->events, events); |
470 | anfd->events = events; |
479 | anfd->events = events; |
471 | } |
480 | } |
472 | |
481 | |
473 | fdchangecnt = 0; |
482 | fdchangecnt = 0; |
474 | } |
483 | } |
475 | |
484 | |
476 | static void |
485 | void inline_size |
477 | fd_change (EV_P_ int fd) |
486 | fd_change (EV_P_ int fd) |
478 | { |
487 | { |
479 | if (expect_false (anfds [fd].reify)) |
488 | if (expect_false (anfds [fd].reify)) |
480 | return; |
489 | return; |
481 | |
490 | |
… | |
… | |
484 | ++fdchangecnt; |
493 | ++fdchangecnt; |
485 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
494 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
486 | fdchanges [fdchangecnt - 1] = fd; |
495 | fdchanges [fdchangecnt - 1] = fd; |
487 | } |
496 | } |
488 | |
497 | |
489 | static void |
498 | void inline_speed |
490 | fd_kill (EV_P_ int fd) |
499 | fd_kill (EV_P_ int fd) |
491 | { |
500 | { |
492 | struct ev_io *w; |
501 | ev_io *w; |
493 | |
502 | |
494 | while ((w = (struct ev_io *)anfds [fd].head)) |
503 | while ((w = (ev_io *)anfds [fd].head)) |
495 | { |
504 | { |
496 | ev_io_stop (EV_A_ w); |
505 | ev_io_stop (EV_A_ w); |
497 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
506 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
498 | } |
507 | } |
499 | } |
508 | } |
500 | |
509 | |
501 | inline int |
510 | int inline_size |
502 | fd_valid (int fd) |
511 | fd_valid (int fd) |
503 | { |
512 | { |
504 | #ifdef _WIN32 |
513 | #ifdef _WIN32 |
505 | return _get_osfhandle (fd) != -1; |
514 | return _get_osfhandle (fd) != -1; |
506 | #else |
515 | #else |
507 | return fcntl (fd, F_GETFD) != -1; |
516 | return fcntl (fd, F_GETFD) != -1; |
508 | #endif |
517 | #endif |
509 | } |
518 | } |
510 | |
519 | |
511 | /* called on EBADF to verify fds */ |
520 | /* called on EBADF to verify fds */ |
512 | static void |
521 | static void noinline |
513 | fd_ebadf (EV_P) |
522 | fd_ebadf (EV_P) |
514 | { |
523 | { |
515 | int fd; |
524 | int fd; |
516 | |
525 | |
517 | for (fd = 0; fd < anfdmax; ++fd) |
526 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
519 | if (!fd_valid (fd) == -1 && errno == EBADF) |
528 | if (!fd_valid (fd) == -1 && errno == EBADF) |
520 | fd_kill (EV_A_ fd); |
529 | fd_kill (EV_A_ fd); |
521 | } |
530 | } |
522 | |
531 | |
523 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
532 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
524 | static void |
533 | static void noinline |
525 | fd_enomem (EV_P) |
534 | fd_enomem (EV_P) |
526 | { |
535 | { |
527 | int fd; |
536 | int fd; |
528 | |
537 | |
529 | for (fd = anfdmax; fd--; ) |
538 | for (fd = anfdmax; fd--; ) |
… | |
… | |
532 | fd_kill (EV_A_ fd); |
541 | fd_kill (EV_A_ fd); |
533 | return; |
542 | return; |
534 | } |
543 | } |
535 | } |
544 | } |
536 | |
545 | |
537 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
546 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
538 | static void |
547 | static void noinline |
539 | fd_rearm_all (EV_P) |
548 | fd_rearm_all (EV_P) |
540 | { |
549 | { |
541 | int fd; |
550 | int fd; |
542 | |
551 | |
543 | /* this should be highly optimised to not do anything but set a flag */ |
552 | /* this should be highly optimised to not do anything but set a flag */ |
… | |
… | |
549 | } |
558 | } |
550 | } |
559 | } |
551 | |
560 | |
552 | /*****************************************************************************/ |
561 | /*****************************************************************************/ |
553 | |
562 | |
554 | static void |
563 | void inline_speed |
555 | upheap (WT *heap, int k) |
564 | upheap (WT *heap, int k) |
556 | { |
565 | { |
557 | WT w = heap [k]; |
566 | WT w = heap [k]; |
558 | |
567 | |
559 | while (k && heap [k >> 1]->at > w->at) |
568 | while (k && heap [k >> 1]->at > w->at) |
… | |
… | |
566 | heap [k] = w; |
575 | heap [k] = w; |
567 | ((W)heap [k])->active = k + 1; |
576 | ((W)heap [k])->active = k + 1; |
568 | |
577 | |
569 | } |
578 | } |
570 | |
579 | |
571 | static void |
580 | void inline_speed |
572 | downheap (WT *heap, int N, int k) |
581 | downheap (WT *heap, int N, int k) |
573 | { |
582 | { |
574 | WT w = heap [k]; |
583 | WT w = heap [k]; |
575 | |
584 | |
576 | while (k < (N >> 1)) |
585 | while (k < (N >> 1)) |
… | |
… | |
590 | |
599 | |
591 | heap [k] = w; |
600 | heap [k] = w; |
592 | ((W)heap [k])->active = k + 1; |
601 | ((W)heap [k])->active = k + 1; |
593 | } |
602 | } |
594 | |
603 | |
595 | inline void |
604 | void inline_size |
596 | adjustheap (WT *heap, int N, int k) |
605 | adjustheap (WT *heap, int N, int k) |
597 | { |
606 | { |
598 | upheap (heap, k); |
607 | upheap (heap, k); |
599 | downheap (heap, N, k); |
608 | downheap (heap, N, k); |
600 | } |
609 | } |
… | |
… | |
610 | static ANSIG *signals; |
619 | static ANSIG *signals; |
611 | static int signalmax; |
620 | static int signalmax; |
612 | |
621 | |
613 | static int sigpipe [2]; |
622 | static int sigpipe [2]; |
614 | static sig_atomic_t volatile gotsig; |
623 | static sig_atomic_t volatile gotsig; |
615 | static struct ev_io sigev; |
624 | static ev_io sigev; |
616 | |
625 | |
617 | static void |
626 | void inline_size |
618 | signals_init (ANSIG *base, int count) |
627 | signals_init (ANSIG *base, int count) |
619 | { |
628 | { |
620 | while (count--) |
629 | while (count--) |
621 | { |
630 | { |
622 | base->head = 0; |
631 | base->head = 0; |
… | |
… | |
642 | write (sigpipe [1], &signum, 1); |
651 | write (sigpipe [1], &signum, 1); |
643 | errno = old_errno; |
652 | errno = old_errno; |
644 | } |
653 | } |
645 | } |
654 | } |
646 | |
655 | |
647 | void |
656 | void noinline |
648 | ev_feed_signal_event (EV_P_ int signum) |
657 | ev_feed_signal_event (EV_P_ int signum) |
649 | { |
658 | { |
650 | WL w; |
659 | WL w; |
651 | |
660 | |
652 | #if EV_MULTIPLICITY |
661 | #if EV_MULTIPLICITY |
… | |
… | |
663 | for (w = signals [signum].head; w; w = w->next) |
672 | for (w = signals [signum].head; w; w = w->next) |
664 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
673 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
665 | } |
674 | } |
666 | |
675 | |
667 | static void |
676 | static void |
668 | sigcb (EV_P_ struct ev_io *iow, int revents) |
677 | sigcb (EV_P_ ev_io *iow, int revents) |
669 | { |
678 | { |
670 | int signum; |
679 | int signum; |
671 | |
680 | |
672 | read (sigpipe [0], &revents, 1); |
681 | read (sigpipe [0], &revents, 1); |
673 | gotsig = 0; |
682 | gotsig = 0; |
… | |
… | |
675 | for (signum = signalmax; signum--; ) |
684 | for (signum = signalmax; signum--; ) |
676 | if (signals [signum].gotsig) |
685 | if (signals [signum].gotsig) |
677 | ev_feed_signal_event (EV_A_ signum + 1); |
686 | ev_feed_signal_event (EV_A_ signum + 1); |
678 | } |
687 | } |
679 | |
688 | |
680 | static void |
689 | void inline_size |
681 | fd_intern (int fd) |
690 | fd_intern (int fd) |
682 | { |
691 | { |
683 | #ifdef _WIN32 |
692 | #ifdef _WIN32 |
684 | int arg = 1; |
693 | int arg = 1; |
685 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
694 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
687 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
696 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
688 | fcntl (fd, F_SETFL, O_NONBLOCK); |
697 | fcntl (fd, F_SETFL, O_NONBLOCK); |
689 | #endif |
698 | #endif |
690 | } |
699 | } |
691 | |
700 | |
692 | static void |
701 | static void noinline |
693 | siginit (EV_P) |
702 | siginit (EV_P) |
694 | { |
703 | { |
695 | fd_intern (sigpipe [0]); |
704 | fd_intern (sigpipe [0]); |
696 | fd_intern (sigpipe [1]); |
705 | fd_intern (sigpipe [1]); |
697 | |
706 | |
… | |
… | |
700 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
709 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
701 | } |
710 | } |
702 | |
711 | |
703 | /*****************************************************************************/ |
712 | /*****************************************************************************/ |
704 | |
713 | |
705 | static struct ev_child *childs [PID_HASHSIZE]; |
714 | static ev_child *childs [PID_HASHSIZE]; |
706 | |
715 | |
707 | #ifndef _WIN32 |
716 | #ifndef _WIN32 |
708 | |
717 | |
709 | static struct ev_signal childev; |
718 | static ev_signal childev; |
710 | |
719 | |
711 | #ifndef WCONTINUED |
720 | void inline_speed |
712 | # define WCONTINUED 0 |
|
|
713 | #endif |
|
|
714 | |
|
|
715 | static void |
|
|
716 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
721 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
717 | { |
722 | { |
718 | struct ev_child *w; |
723 | ev_child *w; |
719 | |
724 | |
720 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
725 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
721 | if (w->pid == pid || !w->pid) |
726 | if (w->pid == pid || !w->pid) |
722 | { |
727 | { |
723 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
728 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
724 | w->rpid = pid; |
729 | w->rpid = pid; |
725 | w->rstatus = status; |
730 | w->rstatus = status; |
726 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
731 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
727 | } |
732 | } |
728 | } |
733 | } |
729 | |
734 | |
|
|
735 | #ifndef WCONTINUED |
|
|
736 | # define WCONTINUED 0 |
|
|
737 | #endif |
|
|
738 | |
730 | static void |
739 | static void |
731 | childcb (EV_P_ struct ev_signal *sw, int revents) |
740 | childcb (EV_P_ ev_signal *sw, int revents) |
732 | { |
741 | { |
733 | int pid, status; |
742 | int pid, status; |
734 | |
743 | |
|
|
744 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
735 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
745 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
736 | { |
746 | if (!WCONTINUED |
|
|
747 | || errno != EINVAL |
|
|
748 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
749 | return; |
|
|
750 | |
737 | /* make sure we are called again until all childs have been reaped */ |
751 | /* make sure we are called again until all childs have been reaped */ |
|
|
752 | /* we need to do it this way so that the callback gets called before we continue */ |
738 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
753 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
739 | |
754 | |
740 | child_reap (EV_A_ sw, pid, pid, status); |
755 | child_reap (EV_A_ sw, pid, pid, status); |
741 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
756 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
742 | } |
|
|
743 | } |
757 | } |
744 | |
758 | |
745 | #endif |
759 | #endif |
746 | |
760 | |
747 | /*****************************************************************************/ |
761 | /*****************************************************************************/ |
… | |
… | |
773 | { |
787 | { |
774 | return EV_VERSION_MINOR; |
788 | return EV_VERSION_MINOR; |
775 | } |
789 | } |
776 | |
790 | |
777 | /* return true if we are running with elevated privileges and should ignore env variables */ |
791 | /* return true if we are running with elevated privileges and should ignore env variables */ |
778 | static int |
792 | int inline_size |
779 | enable_secure (void) |
793 | enable_secure (void) |
780 | { |
794 | { |
781 | #ifdef _WIN32 |
795 | #ifdef _WIN32 |
782 | return 0; |
796 | return 0; |
783 | #else |
797 | #else |
… | |
… | |
785 | || getgid () != getegid (); |
799 | || getgid () != getegid (); |
786 | #endif |
800 | #endif |
787 | } |
801 | } |
788 | |
802 | |
789 | unsigned int |
803 | unsigned int |
790 | ev_method (EV_P) |
804 | ev_supported_backends (void) |
791 | { |
805 | { |
792 | return method; |
806 | unsigned int flags = 0; |
|
|
807 | |
|
|
808 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
809 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
810 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
811 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
812 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
813 | |
|
|
814 | return flags; |
|
|
815 | } |
|
|
816 | |
|
|
817 | unsigned int |
|
|
818 | ev_recommended_backends (void) |
|
|
819 | { |
|
|
820 | unsigned int flags = ev_supported_backends (); |
|
|
821 | |
|
|
822 | #ifndef __NetBSD__ |
|
|
823 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
824 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
825 | flags &= ~EVBACKEND_KQUEUE; |
|
|
826 | #endif |
|
|
827 | #ifdef __APPLE__ |
|
|
828 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
829 | flags &= ~EVBACKEND_POLL; |
|
|
830 | #endif |
|
|
831 | |
|
|
832 | return flags; |
|
|
833 | } |
|
|
834 | |
|
|
835 | unsigned int |
|
|
836 | ev_embeddable_backends (void) |
|
|
837 | { |
|
|
838 | return EVBACKEND_EPOLL |
|
|
839 | | EVBACKEND_KQUEUE |
|
|
840 | | EVBACKEND_PORT; |
|
|
841 | } |
|
|
842 | |
|
|
843 | unsigned int |
|
|
844 | ev_backend (EV_P) |
|
|
845 | { |
|
|
846 | return backend; |
793 | } |
847 | } |
794 | |
848 | |
795 | static void |
849 | static void |
796 | loop_init (EV_P_ unsigned int flags) |
850 | loop_init (EV_P_ unsigned int flags) |
797 | { |
851 | { |
798 | if (!method) |
852 | if (!backend) |
799 | { |
853 | { |
800 | #if EV_USE_MONOTONIC |
854 | #if EV_USE_MONOTONIC |
801 | { |
855 | { |
802 | struct timespec ts; |
856 | struct timespec ts; |
803 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
857 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
813 | if (!(flags & EVFLAG_NOENV) |
867 | if (!(flags & EVFLAG_NOENV) |
814 | && !enable_secure () |
868 | && !enable_secure () |
815 | && getenv ("LIBEV_FLAGS")) |
869 | && getenv ("LIBEV_FLAGS")) |
816 | flags = atoi (getenv ("LIBEV_FLAGS")); |
870 | flags = atoi (getenv ("LIBEV_FLAGS")); |
817 | |
871 | |
818 | if (!(flags & EVMETHOD_ALL)) |
872 | if (!(flags & 0x0000ffffUL)) |
819 | { |
873 | flags |= ev_recommended_backends (); |
820 | flags |= EVMETHOD_ALL; |
|
|
821 | #if EV_USE_KQUEUE && !defined (__NetBSD__) |
|
|
822 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
823 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
824 | flags &= ~EVMETHOD_KQUEUE; |
|
|
825 | #endif |
|
|
826 | } |
|
|
827 | |
874 | |
828 | method = 0; |
875 | backend = 0; |
829 | #if EV_USE_PORT |
876 | #if EV_USE_PORT |
830 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
877 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
831 | #endif |
878 | #endif |
832 | #if EV_USE_KQUEUE |
879 | #if EV_USE_KQUEUE |
833 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
880 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
834 | #endif |
881 | #endif |
835 | #if EV_USE_EPOLL |
882 | #if EV_USE_EPOLL |
836 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
883 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
837 | #endif |
884 | #endif |
838 | #if EV_USE_POLL |
885 | #if EV_USE_POLL |
839 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
886 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
840 | #endif |
887 | #endif |
841 | #if EV_USE_SELECT |
888 | #if EV_USE_SELECT |
842 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
889 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
843 | #endif |
890 | #endif |
844 | |
891 | |
845 | ev_init (&sigev, sigcb); |
892 | ev_init (&sigev, sigcb); |
846 | ev_set_priority (&sigev, EV_MAXPRI); |
893 | ev_set_priority (&sigev, EV_MAXPRI); |
847 | } |
894 | } |
… | |
… | |
851 | loop_destroy (EV_P) |
898 | loop_destroy (EV_P) |
852 | { |
899 | { |
853 | int i; |
900 | int i; |
854 | |
901 | |
855 | #if EV_USE_PORT |
902 | #if EV_USE_PORT |
856 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
903 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
857 | #endif |
904 | #endif |
858 | #if EV_USE_KQUEUE |
905 | #if EV_USE_KQUEUE |
859 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
906 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
860 | #endif |
907 | #endif |
861 | #if EV_USE_EPOLL |
908 | #if EV_USE_EPOLL |
862 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
909 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
863 | #endif |
910 | #endif |
864 | #if EV_USE_POLL |
911 | #if EV_USE_POLL |
865 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
912 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
866 | #endif |
913 | #endif |
867 | #if EV_USE_SELECT |
914 | #if EV_USE_SELECT |
868 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
915 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
869 | #endif |
916 | #endif |
870 | |
917 | |
871 | for (i = NUMPRI; i--; ) |
918 | for (i = NUMPRI; i--; ) |
872 | array_free (pending, [i]); |
919 | array_free (pending, [i]); |
873 | |
920 | |
874 | /* have to use the microsoft-never-gets-it-right macro */ |
921 | /* have to use the microsoft-never-gets-it-right macro */ |
875 | array_free (fdchange, EMPTY0); |
922 | array_free (fdchange, EMPTY0); |
876 | array_free (timer, EMPTY0); |
923 | array_free (timer, EMPTY0); |
877 | #if EV_PERIODICS |
924 | #if EV_PERIODIC_ENABLE |
878 | array_free (periodic, EMPTY0); |
925 | array_free (periodic, EMPTY0); |
879 | #endif |
926 | #endif |
880 | array_free (idle, EMPTY0); |
927 | array_free (idle, EMPTY0); |
881 | array_free (prepare, EMPTY0); |
928 | array_free (prepare, EMPTY0); |
882 | array_free (check, EMPTY0); |
929 | array_free (check, EMPTY0); |
883 | |
930 | |
884 | method = 0; |
931 | backend = 0; |
885 | } |
932 | } |
886 | |
933 | |
887 | static void |
934 | static void |
888 | loop_fork (EV_P) |
935 | loop_fork (EV_P) |
889 | { |
936 | { |
890 | #if EV_USE_PORT |
937 | #if EV_USE_PORT |
891 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
938 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
892 | #endif |
939 | #endif |
893 | #if EV_USE_KQUEUE |
940 | #if EV_USE_KQUEUE |
894 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
941 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
895 | #endif |
942 | #endif |
896 | #if EV_USE_EPOLL |
943 | #if EV_USE_EPOLL |
897 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
944 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
898 | #endif |
945 | #endif |
899 | |
946 | |
900 | if (ev_is_active (&sigev)) |
947 | if (ev_is_active (&sigev)) |
901 | { |
948 | { |
902 | /* default loop */ |
949 | /* default loop */ |
… | |
… | |
923 | |
970 | |
924 | memset (loop, 0, sizeof (struct ev_loop)); |
971 | memset (loop, 0, sizeof (struct ev_loop)); |
925 | |
972 | |
926 | loop_init (EV_A_ flags); |
973 | loop_init (EV_A_ flags); |
927 | |
974 | |
928 | if (ev_method (EV_A)) |
975 | if (ev_backend (EV_A)) |
929 | return loop; |
976 | return loop; |
930 | |
977 | |
931 | return 0; |
978 | return 0; |
932 | } |
979 | } |
933 | |
980 | |
… | |
… | |
966 | ev_default_loop_ptr = 1; |
1013 | ev_default_loop_ptr = 1; |
967 | #endif |
1014 | #endif |
968 | |
1015 | |
969 | loop_init (EV_A_ flags); |
1016 | loop_init (EV_A_ flags); |
970 | |
1017 | |
971 | if (ev_method (EV_A)) |
1018 | if (ev_backend (EV_A)) |
972 | { |
1019 | { |
973 | siginit (EV_A); |
1020 | siginit (EV_A); |
974 | |
1021 | |
975 | #ifndef _WIN32 |
1022 | #ifndef _WIN32 |
976 | ev_signal_init (&childev, childcb, SIGCHLD); |
1023 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
1012 | { |
1059 | { |
1013 | #if EV_MULTIPLICITY |
1060 | #if EV_MULTIPLICITY |
1014 | struct ev_loop *loop = ev_default_loop_ptr; |
1061 | struct ev_loop *loop = ev_default_loop_ptr; |
1015 | #endif |
1062 | #endif |
1016 | |
1063 | |
1017 | if (method) |
1064 | if (backend) |
1018 | postfork = 1; |
1065 | postfork = 1; |
1019 | } |
1066 | } |
1020 | |
1067 | |
1021 | /*****************************************************************************/ |
1068 | /*****************************************************************************/ |
1022 | |
1069 | |
1023 | static int |
1070 | int inline_size |
1024 | any_pending (EV_P) |
1071 | any_pending (EV_P) |
1025 | { |
1072 | { |
1026 | int pri; |
1073 | int pri; |
1027 | |
1074 | |
1028 | for (pri = NUMPRI; pri--; ) |
1075 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1030 | return 1; |
1077 | return 1; |
1031 | |
1078 | |
1032 | return 0; |
1079 | return 0; |
1033 | } |
1080 | } |
1034 | |
1081 | |
1035 | inline void |
1082 | void inline_speed |
1036 | call_pending (EV_P) |
1083 | call_pending (EV_P) |
1037 | { |
1084 | { |
1038 | int pri; |
1085 | int pri; |
1039 | |
1086 | |
1040 | for (pri = NUMPRI; pri--; ) |
1087 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1042 | { |
1089 | { |
1043 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1090 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1044 | |
1091 | |
1045 | if (expect_true (p->w)) |
1092 | if (expect_true (p->w)) |
1046 | { |
1093 | { |
|
|
1094 | assert (("non-pending watcher on pending list", p->w->pending)); |
|
|
1095 | |
1047 | p->w->pending = 0; |
1096 | p->w->pending = 0; |
1048 | EV_CB_INVOKE (p->w, p->events); |
1097 | EV_CB_INVOKE (p->w, p->events); |
1049 | } |
1098 | } |
1050 | } |
1099 | } |
1051 | } |
1100 | } |
1052 | |
1101 | |
1053 | inline void |
1102 | void inline_size |
1054 | timers_reify (EV_P) |
1103 | timers_reify (EV_P) |
1055 | { |
1104 | { |
1056 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1105 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1057 | { |
1106 | { |
1058 | struct ev_timer *w = timers [0]; |
1107 | ev_timer *w = timers [0]; |
1059 | |
1108 | |
1060 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1109 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1061 | |
1110 | |
1062 | /* first reschedule or stop timer */ |
1111 | /* first reschedule or stop timer */ |
1063 | if (w->repeat) |
1112 | if (w->repeat) |
… | |
… | |
1075 | |
1124 | |
1076 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1125 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1077 | } |
1126 | } |
1078 | } |
1127 | } |
1079 | |
1128 | |
1080 | #if EV_PERIODICS |
1129 | #if EV_PERIODIC_ENABLE |
1081 | inline void |
1130 | void inline_size |
1082 | periodics_reify (EV_P) |
1131 | periodics_reify (EV_P) |
1083 | { |
1132 | { |
1084 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1133 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1085 | { |
1134 | { |
1086 | struct ev_periodic *w = periodics [0]; |
1135 | ev_periodic *w = periodics [0]; |
1087 | |
1136 | |
1088 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1137 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1089 | |
1138 | |
1090 | /* first reschedule or stop timer */ |
1139 | /* first reschedule or stop timer */ |
1091 | if (w->reschedule_cb) |
1140 | if (w->reschedule_cb) |
… | |
… | |
1105 | |
1154 | |
1106 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1155 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1107 | } |
1156 | } |
1108 | } |
1157 | } |
1109 | |
1158 | |
1110 | static void |
1159 | static void noinline |
1111 | periodics_reschedule (EV_P) |
1160 | periodics_reschedule (EV_P) |
1112 | { |
1161 | { |
1113 | int i; |
1162 | int i; |
1114 | |
1163 | |
1115 | /* adjust periodics after time jump */ |
1164 | /* adjust periodics after time jump */ |
1116 | for (i = 0; i < periodiccnt; ++i) |
1165 | for (i = 0; i < periodiccnt; ++i) |
1117 | { |
1166 | { |
1118 | struct ev_periodic *w = periodics [i]; |
1167 | ev_periodic *w = periodics [i]; |
1119 | |
1168 | |
1120 | if (w->reschedule_cb) |
1169 | if (w->reschedule_cb) |
1121 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1170 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1122 | else if (w->interval) |
1171 | else if (w->interval) |
1123 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1172 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
… | |
… | |
1127 | for (i = periodiccnt >> 1; i--; ) |
1176 | for (i = periodiccnt >> 1; i--; ) |
1128 | downheap ((WT *)periodics, periodiccnt, i); |
1177 | downheap ((WT *)periodics, periodiccnt, i); |
1129 | } |
1178 | } |
1130 | #endif |
1179 | #endif |
1131 | |
1180 | |
1132 | inline int |
1181 | int inline_size |
1133 | time_update_monotonic (EV_P) |
1182 | time_update_monotonic (EV_P) |
1134 | { |
1183 | { |
1135 | mn_now = get_clock (); |
1184 | mn_now = get_clock (); |
1136 | |
1185 | |
1137 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1186 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
… | |
… | |
1145 | ev_rt_now = ev_time (); |
1194 | ev_rt_now = ev_time (); |
1146 | return 1; |
1195 | return 1; |
1147 | } |
1196 | } |
1148 | } |
1197 | } |
1149 | |
1198 | |
1150 | inline void |
1199 | void inline_size |
1151 | time_update (EV_P) |
1200 | time_update (EV_P) |
1152 | { |
1201 | { |
1153 | int i; |
1202 | int i; |
1154 | |
1203 | |
1155 | #if EV_USE_MONOTONIC |
1204 | #if EV_USE_MONOTONIC |
… | |
… | |
1157 | { |
1206 | { |
1158 | if (time_update_monotonic (EV_A)) |
1207 | if (time_update_monotonic (EV_A)) |
1159 | { |
1208 | { |
1160 | ev_tstamp odiff = rtmn_diff; |
1209 | ev_tstamp odiff = rtmn_diff; |
1161 | |
1210 | |
1162 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1211 | /* loop a few times, before making important decisions. |
|
|
1212 | * on the choice of "4": one iteration isn't enough, |
|
|
1213 | * in case we get preempted during the calls to |
|
|
1214 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1215 | * to succeed in that case, though. and looping a few more times |
|
|
1216 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1217 | * in the unlikely event of getting preempted here. |
|
|
1218 | */ |
|
|
1219 | for (i = 4; --i; ) |
1163 | { |
1220 | { |
1164 | rtmn_diff = ev_rt_now - mn_now; |
1221 | rtmn_diff = ev_rt_now - mn_now; |
1165 | |
1222 | |
1166 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1223 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1167 | return; /* all is well */ |
1224 | return; /* all is well */ |
… | |
… | |
1169 | ev_rt_now = ev_time (); |
1226 | ev_rt_now = ev_time (); |
1170 | mn_now = get_clock (); |
1227 | mn_now = get_clock (); |
1171 | now_floor = mn_now; |
1228 | now_floor = mn_now; |
1172 | } |
1229 | } |
1173 | |
1230 | |
1174 | # if EV_PERIODICS |
1231 | # if EV_PERIODIC_ENABLE |
1175 | periodics_reschedule (EV_A); |
1232 | periodics_reschedule (EV_A); |
1176 | # endif |
1233 | # endif |
1177 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1234 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1178 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1235 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1179 | } |
1236 | } |
… | |
… | |
1183 | { |
1240 | { |
1184 | ev_rt_now = ev_time (); |
1241 | ev_rt_now = ev_time (); |
1185 | |
1242 | |
1186 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1243 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1187 | { |
1244 | { |
1188 | #if EV_PERIODICS |
1245 | #if EV_PERIODIC_ENABLE |
1189 | periodics_reschedule (EV_A); |
1246 | periodics_reschedule (EV_A); |
1190 | #endif |
1247 | #endif |
1191 | |
1248 | |
1192 | /* adjust timers. this is easy, as the offset is the same for all */ |
1249 | /* adjust timers. this is easy, as the offset is the same for all */ |
1193 | for (i = 0; i < timercnt; ++i) |
1250 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
1213 | static int loop_done; |
1270 | static int loop_done; |
1214 | |
1271 | |
1215 | void |
1272 | void |
1216 | ev_loop (EV_P_ int flags) |
1273 | ev_loop (EV_P_ int flags) |
1217 | { |
1274 | { |
1218 | double block; |
|
|
1219 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1275 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1276 | ? EVUNLOOP_ONE |
|
|
1277 | : EVUNLOOP_CANCEL; |
1220 | |
1278 | |
1221 | while (activecnt) |
1279 | while (activecnt) |
1222 | { |
1280 | { |
1223 | /* queue check watchers (and execute them) */ |
1281 | /* queue check watchers (and execute them) */ |
1224 | if (expect_false (preparecnt)) |
1282 | if (expect_false (preparecnt)) |
… | |
… | |
1233 | |
1291 | |
1234 | /* update fd-related kernel structures */ |
1292 | /* update fd-related kernel structures */ |
1235 | fd_reify (EV_A); |
1293 | fd_reify (EV_A); |
1236 | |
1294 | |
1237 | /* calculate blocking time */ |
1295 | /* calculate blocking time */ |
|
|
1296 | { |
|
|
1297 | double block; |
1238 | |
1298 | |
1239 | /* we only need this for !monotonic clock or timers, but as we basically |
1299 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1240 | always have timers, we just calculate it always */ |
1300 | block = 0.; /* do not block at all */ |
|
|
1301 | else |
|
|
1302 | { |
|
|
1303 | /* update time to cancel out callback processing overhead */ |
1241 | #if EV_USE_MONOTONIC |
1304 | #if EV_USE_MONOTONIC |
1242 | if (expect_true (have_monotonic)) |
1305 | if (expect_true (have_monotonic)) |
1243 | time_update_monotonic (EV_A); |
1306 | time_update_monotonic (EV_A); |
1244 | else |
1307 | else |
1245 | #endif |
1308 | #endif |
1246 | { |
1309 | { |
1247 | ev_rt_now = ev_time (); |
1310 | ev_rt_now = ev_time (); |
1248 | mn_now = ev_rt_now; |
1311 | mn_now = ev_rt_now; |
1249 | } |
1312 | } |
1250 | |
1313 | |
1251 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1252 | block = 0.; |
|
|
1253 | else |
|
|
1254 | { |
|
|
1255 | block = MAX_BLOCKTIME; |
1314 | block = MAX_BLOCKTIME; |
1256 | |
1315 | |
1257 | if (timercnt) |
1316 | if (timercnt) |
1258 | { |
1317 | { |
1259 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1318 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1260 | if (block > to) block = to; |
1319 | if (block > to) block = to; |
1261 | } |
1320 | } |
1262 | |
1321 | |
1263 | #if EV_PERIODICS |
1322 | #if EV_PERIODIC_ENABLE |
1264 | if (periodiccnt) |
1323 | if (periodiccnt) |
1265 | { |
1324 | { |
1266 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1325 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1267 | if (block > to) block = to; |
1326 | if (block > to) block = to; |
1268 | } |
1327 | } |
1269 | #endif |
1328 | #endif |
1270 | |
1329 | |
1271 | if (expect_false (block < 0.)) block = 0.; |
1330 | if (expect_false (block < 0.)) block = 0.; |
1272 | } |
1331 | } |
1273 | |
1332 | |
1274 | method_poll (EV_A_ block); |
1333 | backend_poll (EV_A_ block); |
|
|
1334 | } |
1275 | |
1335 | |
1276 | /* update ev_rt_now, do magic */ |
1336 | /* update ev_rt_now, do magic */ |
1277 | time_update (EV_A); |
1337 | time_update (EV_A); |
1278 | |
1338 | |
1279 | /* queue pending timers and reschedule them */ |
1339 | /* queue pending timers and reschedule them */ |
1280 | timers_reify (EV_A); /* relative timers called last */ |
1340 | timers_reify (EV_A); /* relative timers called last */ |
1281 | #if EV_PERIODICS |
1341 | #if EV_PERIODIC_ENABLE |
1282 | periodics_reify (EV_A); /* absolute timers called first */ |
1342 | periodics_reify (EV_A); /* absolute timers called first */ |
1283 | #endif |
1343 | #endif |
1284 | |
1344 | |
1285 | /* queue idle watchers unless io or timers are pending */ |
1345 | /* queue idle watchers unless other events are pending */ |
1286 | if (idlecnt && !any_pending (EV_A)) |
1346 | if (idlecnt && !any_pending (EV_A)) |
1287 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1347 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1288 | |
1348 | |
1289 | /* queue check watchers, to be executed first */ |
1349 | /* queue check watchers, to be executed first */ |
1290 | if (expect_false (checkcnt)) |
1350 | if (expect_false (checkcnt)) |
… | |
… | |
1294 | |
1354 | |
1295 | if (expect_false (loop_done)) |
1355 | if (expect_false (loop_done)) |
1296 | break; |
1356 | break; |
1297 | } |
1357 | } |
1298 | |
1358 | |
1299 | if (loop_done != 2) |
1359 | if (loop_done == EVUNLOOP_ONE) |
1300 | loop_done = 0; |
1360 | loop_done = EVUNLOOP_CANCEL; |
1301 | } |
1361 | } |
1302 | |
1362 | |
1303 | void |
1363 | void |
1304 | ev_unloop (EV_P_ int how) |
1364 | ev_unloop (EV_P_ int how) |
1305 | { |
1365 | { |
1306 | loop_done = how; |
1366 | loop_done = how; |
1307 | } |
1367 | } |
1308 | |
1368 | |
1309 | /*****************************************************************************/ |
1369 | /*****************************************************************************/ |
1310 | |
1370 | |
1311 | inline void |
1371 | void inline_size |
1312 | wlist_add (WL *head, WL elem) |
1372 | wlist_add (WL *head, WL elem) |
1313 | { |
1373 | { |
1314 | elem->next = *head; |
1374 | elem->next = *head; |
1315 | *head = elem; |
1375 | *head = elem; |
1316 | } |
1376 | } |
1317 | |
1377 | |
1318 | inline void |
1378 | void inline_size |
1319 | wlist_del (WL *head, WL elem) |
1379 | wlist_del (WL *head, WL elem) |
1320 | { |
1380 | { |
1321 | while (*head) |
1381 | while (*head) |
1322 | { |
1382 | { |
1323 | if (*head == elem) |
1383 | if (*head == elem) |
… | |
… | |
1328 | |
1388 | |
1329 | head = &(*head)->next; |
1389 | head = &(*head)->next; |
1330 | } |
1390 | } |
1331 | } |
1391 | } |
1332 | |
1392 | |
1333 | inline void |
1393 | void inline_speed |
1334 | ev_clear_pending (EV_P_ W w) |
1394 | ev_clear_pending (EV_P_ W w) |
1335 | { |
1395 | { |
1336 | if (w->pending) |
1396 | if (w->pending) |
1337 | { |
1397 | { |
1338 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1398 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1339 | w->pending = 0; |
1399 | w->pending = 0; |
1340 | } |
1400 | } |
1341 | } |
1401 | } |
1342 | |
1402 | |
1343 | inline void |
1403 | void inline_speed |
1344 | ev_start (EV_P_ W w, int active) |
1404 | ev_start (EV_P_ W w, int active) |
1345 | { |
1405 | { |
1346 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1406 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1347 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1407 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1348 | |
1408 | |
1349 | w->active = active; |
1409 | w->active = active; |
1350 | ev_ref (EV_A); |
1410 | ev_ref (EV_A); |
1351 | } |
1411 | } |
1352 | |
1412 | |
1353 | inline void |
1413 | void inline_size |
1354 | ev_stop (EV_P_ W w) |
1414 | ev_stop (EV_P_ W w) |
1355 | { |
1415 | { |
1356 | ev_unref (EV_A); |
1416 | ev_unref (EV_A); |
1357 | w->active = 0; |
1417 | w->active = 0; |
1358 | } |
1418 | } |
1359 | |
1419 | |
1360 | /*****************************************************************************/ |
1420 | /*****************************************************************************/ |
1361 | |
1421 | |
1362 | void |
1422 | void |
1363 | ev_io_start (EV_P_ struct ev_io *w) |
1423 | ev_io_start (EV_P_ ev_io *w) |
1364 | { |
1424 | { |
1365 | int fd = w->fd; |
1425 | int fd = w->fd; |
1366 | |
1426 | |
1367 | if (expect_false (ev_is_active (w))) |
1427 | if (expect_false (ev_is_active (w))) |
1368 | return; |
1428 | return; |
… | |
… | |
1375 | |
1435 | |
1376 | fd_change (EV_A_ fd); |
1436 | fd_change (EV_A_ fd); |
1377 | } |
1437 | } |
1378 | |
1438 | |
1379 | void |
1439 | void |
1380 | ev_io_stop (EV_P_ struct ev_io *w) |
1440 | ev_io_stop (EV_P_ ev_io *w) |
1381 | { |
1441 | { |
1382 | ev_clear_pending (EV_A_ (W)w); |
1442 | ev_clear_pending (EV_A_ (W)w); |
1383 | if (expect_false (!ev_is_active (w))) |
1443 | if (expect_false (!ev_is_active (w))) |
1384 | return; |
1444 | return; |
1385 | |
1445 | |
… | |
… | |
1390 | |
1450 | |
1391 | fd_change (EV_A_ w->fd); |
1451 | fd_change (EV_A_ w->fd); |
1392 | } |
1452 | } |
1393 | |
1453 | |
1394 | void |
1454 | void |
1395 | ev_timer_start (EV_P_ struct ev_timer *w) |
1455 | ev_timer_start (EV_P_ ev_timer *w) |
1396 | { |
1456 | { |
1397 | if (expect_false (ev_is_active (w))) |
1457 | if (expect_false (ev_is_active (w))) |
1398 | return; |
1458 | return; |
1399 | |
1459 | |
1400 | ((WT)w)->at += mn_now; |
1460 | ((WT)w)->at += mn_now; |
1401 | |
1461 | |
1402 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1462 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1403 | |
1463 | |
1404 | ev_start (EV_A_ (W)w, ++timercnt); |
1464 | ev_start (EV_A_ (W)w, ++timercnt); |
1405 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1465 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1406 | timers [timercnt - 1] = w; |
1466 | timers [timercnt - 1] = w; |
1407 | upheap ((WT *)timers, timercnt - 1); |
1467 | upheap ((WT *)timers, timercnt - 1); |
1408 | |
1468 | |
1409 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1469 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1410 | } |
1470 | } |
1411 | |
1471 | |
1412 | void |
1472 | void |
1413 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1473 | ev_timer_stop (EV_P_ ev_timer *w) |
1414 | { |
1474 | { |
1415 | ev_clear_pending (EV_A_ (W)w); |
1475 | ev_clear_pending (EV_A_ (W)w); |
1416 | if (expect_false (!ev_is_active (w))) |
1476 | if (expect_false (!ev_is_active (w))) |
1417 | return; |
1477 | return; |
1418 | |
1478 | |
… | |
… | |
1428 | |
1488 | |
1429 | ev_stop (EV_A_ (W)w); |
1489 | ev_stop (EV_A_ (W)w); |
1430 | } |
1490 | } |
1431 | |
1491 | |
1432 | void |
1492 | void |
1433 | ev_timer_again (EV_P_ struct ev_timer *w) |
1493 | ev_timer_again (EV_P_ ev_timer *w) |
1434 | { |
1494 | { |
1435 | if (ev_is_active (w)) |
1495 | if (ev_is_active (w)) |
1436 | { |
1496 | { |
1437 | if (w->repeat) |
1497 | if (w->repeat) |
1438 | { |
1498 | { |
… | |
… | |
1447 | w->at = w->repeat; |
1507 | w->at = w->repeat; |
1448 | ev_timer_start (EV_A_ w); |
1508 | ev_timer_start (EV_A_ w); |
1449 | } |
1509 | } |
1450 | } |
1510 | } |
1451 | |
1511 | |
1452 | #if EV_PERIODICS |
1512 | #if EV_PERIODIC_ENABLE |
1453 | void |
1513 | void |
1454 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1514 | ev_periodic_start (EV_P_ ev_periodic *w) |
1455 | { |
1515 | { |
1456 | if (expect_false (ev_is_active (w))) |
1516 | if (expect_false (ev_is_active (w))) |
1457 | return; |
1517 | return; |
1458 | |
1518 | |
1459 | if (w->reschedule_cb) |
1519 | if (w->reschedule_cb) |
… | |
… | |
1464 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1524 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1465 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1525 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1466 | } |
1526 | } |
1467 | |
1527 | |
1468 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1528 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1469 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1529 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1470 | periodics [periodiccnt - 1] = w; |
1530 | periodics [periodiccnt - 1] = w; |
1471 | upheap ((WT *)periodics, periodiccnt - 1); |
1531 | upheap ((WT *)periodics, periodiccnt - 1); |
1472 | |
1532 | |
1473 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1533 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1474 | } |
1534 | } |
1475 | |
1535 | |
1476 | void |
1536 | void |
1477 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1537 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1478 | { |
1538 | { |
1479 | ev_clear_pending (EV_A_ (W)w); |
1539 | ev_clear_pending (EV_A_ (W)w); |
1480 | if (expect_false (!ev_is_active (w))) |
1540 | if (expect_false (!ev_is_active (w))) |
1481 | return; |
1541 | return; |
1482 | |
1542 | |
… | |
… | |
1490 | |
1550 | |
1491 | ev_stop (EV_A_ (W)w); |
1551 | ev_stop (EV_A_ (W)w); |
1492 | } |
1552 | } |
1493 | |
1553 | |
1494 | void |
1554 | void |
1495 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1555 | ev_periodic_again (EV_P_ ev_periodic *w) |
1496 | { |
1556 | { |
1497 | /* TODO: use adjustheap and recalculation */ |
1557 | /* TODO: use adjustheap and recalculation */ |
1498 | ev_periodic_stop (EV_A_ w); |
1558 | ev_periodic_stop (EV_A_ w); |
1499 | ev_periodic_start (EV_A_ w); |
1559 | ev_periodic_start (EV_A_ w); |
1500 | } |
1560 | } |
1501 | #endif |
1561 | #endif |
1502 | |
1562 | |
1503 | void |
|
|
1504 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1505 | { |
|
|
1506 | if (expect_false (ev_is_active (w))) |
|
|
1507 | return; |
|
|
1508 | |
|
|
1509 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1510 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1511 | idles [idlecnt - 1] = w; |
|
|
1512 | } |
|
|
1513 | |
|
|
1514 | void |
|
|
1515 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1516 | { |
|
|
1517 | ev_clear_pending (EV_A_ (W)w); |
|
|
1518 | if (expect_false (!ev_is_active (w))) |
|
|
1519 | return; |
|
|
1520 | |
|
|
1521 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1522 | ev_stop (EV_A_ (W)w); |
|
|
1523 | } |
|
|
1524 | |
|
|
1525 | void |
|
|
1526 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1527 | { |
|
|
1528 | if (expect_false (ev_is_active (w))) |
|
|
1529 | return; |
|
|
1530 | |
|
|
1531 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1532 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1533 | prepares [preparecnt - 1] = w; |
|
|
1534 | } |
|
|
1535 | |
|
|
1536 | void |
|
|
1537 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1538 | { |
|
|
1539 | ev_clear_pending (EV_A_ (W)w); |
|
|
1540 | if (expect_false (!ev_is_active (w))) |
|
|
1541 | return; |
|
|
1542 | |
|
|
1543 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1544 | ev_stop (EV_A_ (W)w); |
|
|
1545 | } |
|
|
1546 | |
|
|
1547 | void |
|
|
1548 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1549 | { |
|
|
1550 | if (expect_false (ev_is_active (w))) |
|
|
1551 | return; |
|
|
1552 | |
|
|
1553 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1554 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1555 | checks [checkcnt - 1] = w; |
|
|
1556 | } |
|
|
1557 | |
|
|
1558 | void |
|
|
1559 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1560 | { |
|
|
1561 | ev_clear_pending (EV_A_ (W)w); |
|
|
1562 | if (expect_false (!ev_is_active (w))) |
|
|
1563 | return; |
|
|
1564 | |
|
|
1565 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1566 | ev_stop (EV_A_ (W)w); |
|
|
1567 | } |
|
|
1568 | |
|
|
1569 | #ifndef SA_RESTART |
1563 | #ifndef SA_RESTART |
1570 | # define SA_RESTART 0 |
1564 | # define SA_RESTART 0 |
1571 | #endif |
1565 | #endif |
1572 | |
1566 | |
1573 | void |
1567 | void |
1574 | ev_signal_start (EV_P_ struct ev_signal *w) |
1568 | ev_signal_start (EV_P_ ev_signal *w) |
1575 | { |
1569 | { |
1576 | #if EV_MULTIPLICITY |
1570 | #if EV_MULTIPLICITY |
1577 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1571 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1578 | #endif |
1572 | #endif |
1579 | if (expect_false (ev_is_active (w))) |
1573 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1598 | #endif |
1592 | #endif |
1599 | } |
1593 | } |
1600 | } |
1594 | } |
1601 | |
1595 | |
1602 | void |
1596 | void |
1603 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1597 | ev_signal_stop (EV_P_ ev_signal *w) |
1604 | { |
1598 | { |
1605 | ev_clear_pending (EV_A_ (W)w); |
1599 | ev_clear_pending (EV_A_ (W)w); |
1606 | if (expect_false (!ev_is_active (w))) |
1600 | if (expect_false (!ev_is_active (w))) |
1607 | return; |
1601 | return; |
1608 | |
1602 | |
… | |
… | |
1612 | if (!signals [w->signum - 1].head) |
1606 | if (!signals [w->signum - 1].head) |
1613 | signal (w->signum, SIG_DFL); |
1607 | signal (w->signum, SIG_DFL); |
1614 | } |
1608 | } |
1615 | |
1609 | |
1616 | void |
1610 | void |
1617 | ev_child_start (EV_P_ struct ev_child *w) |
1611 | ev_child_start (EV_P_ ev_child *w) |
1618 | { |
1612 | { |
1619 | #if EV_MULTIPLICITY |
1613 | #if EV_MULTIPLICITY |
1620 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1614 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1621 | #endif |
1615 | #endif |
1622 | if (expect_false (ev_is_active (w))) |
1616 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1625 | ev_start (EV_A_ (W)w, 1); |
1619 | ev_start (EV_A_ (W)w, 1); |
1626 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1620 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1627 | } |
1621 | } |
1628 | |
1622 | |
1629 | void |
1623 | void |
1630 | ev_child_stop (EV_P_ struct ev_child *w) |
1624 | ev_child_stop (EV_P_ ev_child *w) |
1631 | { |
1625 | { |
1632 | ev_clear_pending (EV_A_ (W)w); |
1626 | ev_clear_pending (EV_A_ (W)w); |
1633 | if (expect_false (!ev_is_active (w))) |
1627 | if (expect_false (!ev_is_active (w))) |
1634 | return; |
1628 | return; |
1635 | |
1629 | |
1636 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1630 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1637 | ev_stop (EV_A_ (W)w); |
1631 | ev_stop (EV_A_ (W)w); |
1638 | } |
1632 | } |
1639 | |
1633 | |
|
|
1634 | #if EV_STAT_ENABLE |
|
|
1635 | |
|
|
1636 | # ifdef _WIN32 |
|
|
1637 | # undef lstat |
|
|
1638 | # define lstat(a,b) _stati64 (a,b) |
|
|
1639 | # endif |
|
|
1640 | |
|
|
1641 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1642 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1643 | |
|
|
1644 | void |
|
|
1645 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1646 | { |
|
|
1647 | if (lstat (w->path, &w->attr) < 0) |
|
|
1648 | w->attr.st_nlink = 0; |
|
|
1649 | else if (!w->attr.st_nlink) |
|
|
1650 | w->attr.st_nlink = 1; |
|
|
1651 | } |
|
|
1652 | |
|
|
1653 | static void |
|
|
1654 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1655 | { |
|
|
1656 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1657 | |
|
|
1658 | /* we copy this here each the time so that */ |
|
|
1659 | /* prev has the old value when the callback gets invoked */ |
|
|
1660 | w->prev = w->attr; |
|
|
1661 | ev_stat_stat (EV_A_ w); |
|
|
1662 | |
|
|
1663 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
|
|
1664 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
1665 | } |
|
|
1666 | |
|
|
1667 | void |
|
|
1668 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
1669 | { |
|
|
1670 | if (expect_false (ev_is_active (w))) |
|
|
1671 | return; |
|
|
1672 | |
|
|
1673 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1674 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1675 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1676 | |
|
|
1677 | ev_stat_stat (EV_A_ w); |
|
|
1678 | |
|
|
1679 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
1680 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
1681 | |
|
|
1682 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
1683 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
1684 | ev_timer_start (EV_A_ &w->timer); |
|
|
1685 | |
|
|
1686 | ev_start (EV_A_ (W)w, 1); |
|
|
1687 | } |
|
|
1688 | |
|
|
1689 | void |
|
|
1690 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
1691 | { |
|
|
1692 | ev_clear_pending (EV_A_ (W)w); |
|
|
1693 | if (expect_false (!ev_is_active (w))) |
|
|
1694 | return; |
|
|
1695 | |
|
|
1696 | ev_timer_stop (EV_A_ &w->timer); |
|
|
1697 | |
|
|
1698 | ev_stop (EV_A_ (W)w); |
|
|
1699 | } |
|
|
1700 | #endif |
|
|
1701 | |
|
|
1702 | void |
|
|
1703 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1704 | { |
|
|
1705 | if (expect_false (ev_is_active (w))) |
|
|
1706 | return; |
|
|
1707 | |
|
|
1708 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1709 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1710 | idles [idlecnt - 1] = w; |
|
|
1711 | } |
|
|
1712 | |
|
|
1713 | void |
|
|
1714 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
1715 | { |
|
|
1716 | ev_clear_pending (EV_A_ (W)w); |
|
|
1717 | if (expect_false (!ev_is_active (w))) |
|
|
1718 | return; |
|
|
1719 | |
|
|
1720 | { |
|
|
1721 | int active = ((W)w)->active; |
|
|
1722 | idles [active - 1] = idles [--idlecnt]; |
|
|
1723 | ((W)idles [active - 1])->active = active; |
|
|
1724 | } |
|
|
1725 | |
|
|
1726 | ev_stop (EV_A_ (W)w); |
|
|
1727 | } |
|
|
1728 | |
|
|
1729 | void |
|
|
1730 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
1731 | { |
|
|
1732 | if (expect_false (ev_is_active (w))) |
|
|
1733 | return; |
|
|
1734 | |
|
|
1735 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1736 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1737 | prepares [preparecnt - 1] = w; |
|
|
1738 | } |
|
|
1739 | |
|
|
1740 | void |
|
|
1741 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
1742 | { |
|
|
1743 | ev_clear_pending (EV_A_ (W)w); |
|
|
1744 | if (expect_false (!ev_is_active (w))) |
|
|
1745 | return; |
|
|
1746 | |
|
|
1747 | { |
|
|
1748 | int active = ((W)w)->active; |
|
|
1749 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1750 | ((W)prepares [active - 1])->active = active; |
|
|
1751 | } |
|
|
1752 | |
|
|
1753 | ev_stop (EV_A_ (W)w); |
|
|
1754 | } |
|
|
1755 | |
|
|
1756 | void |
|
|
1757 | ev_check_start (EV_P_ ev_check *w) |
|
|
1758 | { |
|
|
1759 | if (expect_false (ev_is_active (w))) |
|
|
1760 | return; |
|
|
1761 | |
|
|
1762 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1763 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1764 | checks [checkcnt - 1] = w; |
|
|
1765 | } |
|
|
1766 | |
|
|
1767 | void |
|
|
1768 | ev_check_stop (EV_P_ ev_check *w) |
|
|
1769 | { |
|
|
1770 | ev_clear_pending (EV_A_ (W)w); |
|
|
1771 | if (expect_false (!ev_is_active (w))) |
|
|
1772 | return; |
|
|
1773 | |
|
|
1774 | { |
|
|
1775 | int active = ((W)w)->active; |
|
|
1776 | checks [active - 1] = checks [--checkcnt]; |
|
|
1777 | ((W)checks [active - 1])->active = active; |
|
|
1778 | } |
|
|
1779 | |
|
|
1780 | ev_stop (EV_A_ (W)w); |
|
|
1781 | } |
|
|
1782 | |
|
|
1783 | #if EV_EMBED_ENABLE |
|
|
1784 | void noinline |
|
|
1785 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
1786 | { |
|
|
1787 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1788 | } |
|
|
1789 | |
|
|
1790 | static void |
|
|
1791 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
1792 | { |
|
|
1793 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
1794 | |
|
|
1795 | if (ev_cb (w)) |
|
|
1796 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1797 | else |
|
|
1798 | ev_embed_sweep (loop, w); |
|
|
1799 | } |
|
|
1800 | |
|
|
1801 | void |
|
|
1802 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
1803 | { |
|
|
1804 | if (expect_false (ev_is_active (w))) |
|
|
1805 | return; |
|
|
1806 | |
|
|
1807 | { |
|
|
1808 | struct ev_loop *loop = w->loop; |
|
|
1809 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1810 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1811 | } |
|
|
1812 | |
|
|
1813 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
1814 | ev_io_start (EV_A_ &w->io); |
|
|
1815 | |
|
|
1816 | ev_start (EV_A_ (W)w, 1); |
|
|
1817 | } |
|
|
1818 | |
|
|
1819 | void |
|
|
1820 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
1821 | { |
|
|
1822 | ev_clear_pending (EV_A_ (W)w); |
|
|
1823 | if (expect_false (!ev_is_active (w))) |
|
|
1824 | return; |
|
|
1825 | |
|
|
1826 | ev_io_stop (EV_A_ &w->io); |
|
|
1827 | |
|
|
1828 | ev_stop (EV_A_ (W)w); |
|
|
1829 | } |
|
|
1830 | #endif |
|
|
1831 | |
1640 | /*****************************************************************************/ |
1832 | /*****************************************************************************/ |
1641 | |
1833 | |
1642 | struct ev_once |
1834 | struct ev_once |
1643 | { |
1835 | { |
1644 | struct ev_io io; |
1836 | ev_io io; |
1645 | struct ev_timer to; |
1837 | ev_timer to; |
1646 | void (*cb)(int revents, void *arg); |
1838 | void (*cb)(int revents, void *arg); |
1647 | void *arg; |
1839 | void *arg; |
1648 | }; |
1840 | }; |
1649 | |
1841 | |
1650 | static void |
1842 | static void |
… | |
… | |
1659 | |
1851 | |
1660 | cb (revents, arg); |
1852 | cb (revents, arg); |
1661 | } |
1853 | } |
1662 | |
1854 | |
1663 | static void |
1855 | static void |
1664 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
1856 | once_cb_io (EV_P_ ev_io *w, int revents) |
1665 | { |
1857 | { |
1666 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1858 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1667 | } |
1859 | } |
1668 | |
1860 | |
1669 | static void |
1861 | static void |
1670 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
1862 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1671 | { |
1863 | { |
1672 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1864 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1673 | } |
1865 | } |
1674 | |
1866 | |
1675 | void |
1867 | void |