… | |
… | |
51 | # ifndef EV_USE_MONOTONIC |
51 | # ifndef EV_USE_MONOTONIC |
52 | # define EV_USE_MONOTONIC 0 |
52 | # define EV_USE_MONOTONIC 0 |
53 | # endif |
53 | # endif |
54 | # ifndef EV_USE_REALTIME |
54 | # ifndef EV_USE_REALTIME |
55 | # define EV_USE_REALTIME 0 |
55 | # define EV_USE_REALTIME 0 |
|
|
56 | # endif |
|
|
57 | # endif |
|
|
58 | |
|
|
59 | # ifndef EV_USE_NANOSLEEP |
|
|
60 | # if HAVE_NANOSLEEP |
|
|
61 | # define EV_USE_NANOSLEEP 1 |
|
|
62 | # else |
|
|
63 | # define EV_USE_NANOSLEEP 0 |
56 | # endif |
64 | # endif |
57 | # endif |
65 | # endif |
58 | |
66 | |
59 | # ifndef EV_USE_SELECT |
67 | # ifndef EV_USE_SELECT |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
68 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
… | |
… | |
146 | |
154 | |
147 | #ifndef EV_USE_REALTIME |
155 | #ifndef EV_USE_REALTIME |
148 | # define EV_USE_REALTIME 0 |
156 | # define EV_USE_REALTIME 0 |
149 | #endif |
157 | #endif |
150 | |
158 | |
|
|
159 | #ifndef EV_USE_NANOSLEEP |
|
|
160 | # define EV_USE_NANOSLEEP 0 |
|
|
161 | #endif |
|
|
162 | |
151 | #ifndef EV_USE_SELECT |
163 | #ifndef EV_USE_SELECT |
152 | # define EV_USE_SELECT 1 |
164 | # define EV_USE_SELECT 1 |
153 | #endif |
165 | #endif |
154 | |
166 | |
155 | #ifndef EV_USE_POLL |
167 | #ifndef EV_USE_POLL |
… | |
… | |
202 | #ifndef CLOCK_REALTIME |
214 | #ifndef CLOCK_REALTIME |
203 | # undef EV_USE_REALTIME |
215 | # undef EV_USE_REALTIME |
204 | # define EV_USE_REALTIME 0 |
216 | # define EV_USE_REALTIME 0 |
205 | #endif |
217 | #endif |
206 | |
218 | |
|
|
219 | #if !EV_STAT_ENABLE |
|
|
220 | # undef EV_USE_INOTIFY |
|
|
221 | # define EV_USE_INOTIFY 0 |
|
|
222 | #endif |
|
|
223 | |
|
|
224 | #if !EV_USE_NANOSLEEP |
|
|
225 | # ifndef _WIN32 |
|
|
226 | # include <sys/select.h> |
|
|
227 | # endif |
|
|
228 | #endif |
|
|
229 | |
|
|
230 | #if EV_USE_INOTIFY |
|
|
231 | # include <sys/inotify.h> |
|
|
232 | #endif |
|
|
233 | |
207 | #if EV_SELECT_IS_WINSOCKET |
234 | #if EV_SELECT_IS_WINSOCKET |
208 | # include <winsock.h> |
235 | # include <winsock.h> |
209 | #endif |
236 | #endif |
210 | |
237 | |
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 | /**/ |
238 | /**/ |
|
|
239 | |
|
|
240 | /* |
|
|
241 | * This is used to avoid floating point rounding problems. |
|
|
242 | * It is added to ev_rt_now when scheduling periodics |
|
|
243 | * to ensure progress, time-wise, even when rounding |
|
|
244 | * errors are against us. |
|
|
245 | * This value is good at least till the year 4000. |
|
|
246 | * Better solutions welcome. |
|
|
247 | */ |
|
|
248 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
220 | |
249 | |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
250 | #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) */ |
251 | #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 */ |
252 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
224 | |
253 | |
225 | #if __GNUC__ >= 3 |
254 | #if __GNUC__ >= 4 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
255 | # 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)) |
256 | # 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 |
257 | #else |
236 | # define expect(expr,value) (expr) |
258 | # define expect(expr,value) (expr) |
237 | # define inline_speed static |
|
|
238 | # define inline_size static |
|
|
239 | # define noinline |
259 | # define noinline |
|
|
260 | # if __STDC_VERSION__ < 199901L |
|
|
261 | # define inline |
|
|
262 | # endif |
240 | #endif |
263 | #endif |
241 | |
264 | |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
265 | #define expect_false(expr) expect ((expr) != 0, 0) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
266 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
267 | #define inline_size static inline |
|
|
268 | |
|
|
269 | #if EV_MINIMAL |
|
|
270 | # define inline_speed static noinline |
|
|
271 | #else |
|
|
272 | # define inline_speed static inline |
|
|
273 | #endif |
244 | |
274 | |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
275 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
276 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
247 | |
277 | |
248 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
278 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
249 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
279 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
250 | |
280 | |
251 | typedef ev_watcher *W; |
281 | typedef ev_watcher *W; |
252 | typedef ev_watcher_list *WL; |
282 | typedef ev_watcher_list *WL; |
253 | typedef ev_watcher_time *WT; |
283 | typedef ev_watcher_time *WT; |
254 | |
284 | |
|
|
285 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
286 | /* giving it a reasonably high chance of working on typical architetcures */ |
255 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
287 | static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
256 | |
288 | |
257 | #ifdef _WIN32 |
289 | #ifdef _WIN32 |
258 | # include "ev_win32.c" |
290 | # include "ev_win32.c" |
259 | #endif |
291 | #endif |
260 | |
292 | |
… | |
… | |
281 | perror (msg); |
313 | perror (msg); |
282 | abort (); |
314 | abort (); |
283 | } |
315 | } |
284 | } |
316 | } |
285 | |
317 | |
286 | static void *(*alloc)(void *ptr, size_t size) = realloc; |
318 | static void *(*alloc)(void *ptr, long size); |
287 | |
319 | |
288 | void |
320 | void |
289 | ev_set_allocator (void *(*cb)(void *ptr, size_t size)) |
321 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
290 | { |
322 | { |
291 | alloc = cb; |
323 | alloc = cb; |
292 | } |
324 | } |
293 | |
325 | |
294 | inline_speed void * |
326 | inline_speed void * |
295 | ev_realloc (void *ptr, size_t size) |
327 | ev_realloc (void *ptr, long size) |
296 | { |
328 | { |
297 | ptr = alloc (ptr, size); |
329 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
298 | |
330 | |
299 | if (!ptr && size) |
331 | if (!ptr && size) |
300 | { |
332 | { |
301 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", (long)size); |
333 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
302 | abort (); |
334 | abort (); |
303 | } |
335 | } |
304 | |
336 | |
305 | return ptr; |
337 | return ptr; |
306 | } |
338 | } |
… | |
… | |
324 | { |
356 | { |
325 | W w; |
357 | W w; |
326 | int events; |
358 | int events; |
327 | } ANPENDING; |
359 | } ANPENDING; |
328 | |
360 | |
|
|
361 | #if EV_USE_INOTIFY |
329 | typedef struct |
362 | typedef struct |
330 | { |
363 | { |
331 | #if EV_USE_INOTIFY |
|
|
332 | WL head; |
364 | WL head; |
333 | #endif |
|
|
334 | } ANFS; |
365 | } ANFS; |
|
|
366 | #endif |
335 | |
367 | |
336 | #if EV_MULTIPLICITY |
368 | #if EV_MULTIPLICITY |
337 | |
369 | |
338 | struct ev_loop |
370 | struct ev_loop |
339 | { |
371 | { |
… | |
… | |
396 | { |
428 | { |
397 | return ev_rt_now; |
429 | return ev_rt_now; |
398 | } |
430 | } |
399 | #endif |
431 | #endif |
400 | |
432 | |
401 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
433 | void |
|
|
434 | ev_sleep (ev_tstamp delay) |
|
|
435 | { |
|
|
436 | if (delay > 0.) |
|
|
437 | { |
|
|
438 | #if EV_USE_NANOSLEEP |
|
|
439 | struct timespec ts; |
|
|
440 | |
|
|
441 | ts.tv_sec = (time_t)delay; |
|
|
442 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
443 | |
|
|
444 | nanosleep (&ts, 0); |
|
|
445 | #elif defined(_WIN32) |
|
|
446 | Sleep (delay * 1e3); |
|
|
447 | #else |
|
|
448 | struct timeval tv; |
|
|
449 | |
|
|
450 | tv.tv_sec = (time_t)delay; |
|
|
451 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
452 | |
|
|
453 | select (0, 0, 0, 0, &tv); |
|
|
454 | #endif |
|
|
455 | } |
|
|
456 | } |
|
|
457 | |
|
|
458 | /*****************************************************************************/ |
|
|
459 | |
|
|
460 | int inline_size |
|
|
461 | array_nextsize (int elem, int cur, int cnt) |
|
|
462 | { |
|
|
463 | int ncur = cur + 1; |
|
|
464 | |
|
|
465 | do |
|
|
466 | ncur <<= 1; |
|
|
467 | while (cnt > ncur); |
|
|
468 | |
|
|
469 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
|
|
470 | if (elem * ncur > 4096) |
|
|
471 | { |
|
|
472 | ncur *= elem; |
|
|
473 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
|
|
474 | ncur = ncur - sizeof (void *) * 4; |
|
|
475 | ncur /= elem; |
|
|
476 | } |
|
|
477 | |
|
|
478 | return ncur; |
|
|
479 | } |
|
|
480 | |
|
|
481 | static noinline void * |
|
|
482 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
|
483 | { |
|
|
484 | *cur = array_nextsize (elem, *cur, cnt); |
|
|
485 | return ev_realloc (base, elem * *cur); |
|
|
486 | } |
402 | |
487 | |
403 | #define array_needsize(type,base,cur,cnt,init) \ |
488 | #define array_needsize(type,base,cur,cnt,init) \ |
404 | if (expect_false ((cnt) > cur)) \ |
489 | if (expect_false ((cnt) > (cur))) \ |
405 | { \ |
490 | { \ |
406 | int newcnt = cur; \ |
491 | int ocur_ = (cur); \ |
407 | do \ |
492 | (base) = (type *)array_realloc \ |
408 | { \ |
493 | (sizeof (type), (base), &(cur), (cnt)); \ |
409 | newcnt = array_roundsize (type, newcnt << 1); \ |
494 | init ((base) + (ocur_), (cur) - ocur_); \ |
410 | } \ |
|
|
411 | while ((cnt) > newcnt); \ |
|
|
412 | \ |
|
|
413 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
|
|
414 | init (base + cur, newcnt - cur); \ |
|
|
415 | cur = newcnt; \ |
|
|
416 | } |
495 | } |
417 | |
496 | |
|
|
497 | #if 0 |
418 | #define array_slim(type,stem) \ |
498 | #define array_slim(type,stem) \ |
419 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
499 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
420 | { \ |
500 | { \ |
421 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
501 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
422 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
502 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
423 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
503 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
424 | } |
504 | } |
|
|
505 | #endif |
425 | |
506 | |
426 | #define array_free(stem, idx) \ |
507 | #define array_free(stem, idx) \ |
427 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
508 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
428 | |
509 | |
429 | /*****************************************************************************/ |
510 | /*****************************************************************************/ |
430 | |
511 | |
431 | void noinline |
512 | void noinline |
432 | ev_feed_event (EV_P_ void *w, int revents) |
513 | ev_feed_event (EV_P_ void *w, int revents) |
433 | { |
514 | { |
434 | W w_ = (W)w; |
515 | W w_ = (W)w; |
|
|
516 | int pri = ABSPRI (w_); |
435 | |
517 | |
436 | if (expect_false (w_->pending)) |
518 | if (expect_false (w_->pending)) |
|
|
519 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
520 | else |
437 | { |
521 | { |
|
|
522 | w_->pending = ++pendingcnt [pri]; |
|
|
523 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
524 | pendings [pri][w_->pending - 1].w = w_; |
438 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
525 | pendings [pri][w_->pending - 1].events = revents; |
439 | return; |
|
|
440 | } |
526 | } |
441 | |
|
|
442 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
443 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
|
444 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
445 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
446 | } |
527 | } |
447 | |
528 | |
448 | void inline_size |
529 | void inline_speed |
449 | queue_events (EV_P_ W *events, int eventcnt, int type) |
530 | queue_events (EV_P_ W *events, int eventcnt, int type) |
450 | { |
531 | { |
451 | int i; |
532 | int i; |
452 | |
533 | |
453 | for (i = 0; i < eventcnt; ++i) |
534 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
485 | } |
566 | } |
486 | |
567 | |
487 | void |
568 | void |
488 | ev_feed_fd_event (EV_P_ int fd, int revents) |
569 | ev_feed_fd_event (EV_P_ int fd, int revents) |
489 | { |
570 | { |
|
|
571 | if (fd >= 0 && fd < anfdmax) |
490 | fd_event (EV_A_ fd, revents); |
572 | fd_event (EV_A_ fd, revents); |
491 | } |
573 | } |
492 | |
574 | |
493 | void inline_size |
575 | void inline_size |
494 | fd_reify (EV_P) |
576 | fd_reify (EV_P) |
495 | { |
577 | { |
… | |
… | |
499 | { |
581 | { |
500 | int fd = fdchanges [i]; |
582 | int fd = fdchanges [i]; |
501 | ANFD *anfd = anfds + fd; |
583 | ANFD *anfd = anfds + fd; |
502 | ev_io *w; |
584 | ev_io *w; |
503 | |
585 | |
504 | int events = 0; |
586 | unsigned char events = 0; |
505 | |
587 | |
506 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
588 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
507 | events |= w->events; |
589 | events |= (unsigned char)w->events; |
508 | |
590 | |
509 | #if EV_SELECT_IS_WINSOCKET |
591 | #if EV_SELECT_IS_WINSOCKET |
510 | if (events) |
592 | if (events) |
511 | { |
593 | { |
512 | unsigned long argp; |
594 | unsigned long argp; |
513 | anfd->handle = _get_osfhandle (fd); |
595 | anfd->handle = _get_osfhandle (fd); |
514 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
596 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
515 | } |
597 | } |
516 | #endif |
598 | #endif |
517 | |
599 | |
|
|
600 | { |
|
|
601 | unsigned char o_events = anfd->events; |
|
|
602 | unsigned char o_reify = anfd->reify; |
|
|
603 | |
518 | anfd->reify = 0; |
604 | anfd->reify = 0; |
519 | |
|
|
520 | backend_modify (EV_A_ fd, anfd->events, events); |
|
|
521 | anfd->events = events; |
605 | anfd->events = events; |
|
|
606 | |
|
|
607 | if (o_events != events || o_reify & EV_IOFDSET) |
|
|
608 | backend_modify (EV_A_ fd, o_events, events); |
|
|
609 | } |
522 | } |
610 | } |
523 | |
611 | |
524 | fdchangecnt = 0; |
612 | fdchangecnt = 0; |
525 | } |
613 | } |
526 | |
614 | |
527 | void inline_size |
615 | void inline_size |
528 | fd_change (EV_P_ int fd) |
616 | fd_change (EV_P_ int fd, int flags) |
529 | { |
617 | { |
530 | if (expect_false (anfds [fd].reify)) |
618 | unsigned char reify = anfds [fd].reify; |
531 | return; |
|
|
532 | |
|
|
533 | anfds [fd].reify = 1; |
619 | anfds [fd].reify |= flags; |
534 | |
620 | |
|
|
621 | if (expect_true (!reify)) |
|
|
622 | { |
535 | ++fdchangecnt; |
623 | ++fdchangecnt; |
536 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
624 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
537 | fdchanges [fdchangecnt - 1] = fd; |
625 | fdchanges [fdchangecnt - 1] = fd; |
|
|
626 | } |
538 | } |
627 | } |
539 | |
628 | |
540 | void inline_speed |
629 | void inline_speed |
541 | fd_kill (EV_P_ int fd) |
630 | fd_kill (EV_P_ int fd) |
542 | { |
631 | { |
… | |
… | |
589 | static void noinline |
678 | static void noinline |
590 | fd_rearm_all (EV_P) |
679 | fd_rearm_all (EV_P) |
591 | { |
680 | { |
592 | int fd; |
681 | int fd; |
593 | |
682 | |
594 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
595 | for (fd = 0; fd < anfdmax; ++fd) |
683 | for (fd = 0; fd < anfdmax; ++fd) |
596 | if (anfds [fd].events) |
684 | if (anfds [fd].events) |
597 | { |
685 | { |
598 | anfds [fd].events = 0; |
686 | anfds [fd].events = 0; |
599 | fd_change (EV_A_ fd); |
687 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
600 | } |
688 | } |
601 | } |
689 | } |
602 | |
690 | |
603 | /*****************************************************************************/ |
691 | /*****************************************************************************/ |
604 | |
692 | |
605 | void inline_speed |
693 | void inline_speed |
606 | upheap (WT *heap, int k) |
694 | upheap (WT *heap, int k) |
607 | { |
695 | { |
608 | WT w = heap [k]; |
696 | WT w = heap [k]; |
609 | |
697 | |
610 | while (k && heap [k >> 1]->at > w->at) |
698 | while (k) |
611 | { |
699 | { |
|
|
700 | int p = (k - 1) >> 1; |
|
|
701 | |
|
|
702 | if (heap [p]->at <= w->at) |
|
|
703 | break; |
|
|
704 | |
612 | heap [k] = heap [k >> 1]; |
705 | heap [k] = heap [p]; |
613 | ((W)heap [k])->active = k + 1; |
706 | ((W)heap [k])->active = k + 1; |
614 | k >>= 1; |
707 | k = p; |
615 | } |
708 | } |
616 | |
709 | |
617 | heap [k] = w; |
710 | heap [k] = w; |
618 | ((W)heap [k])->active = k + 1; |
711 | ((W)heap [k])->active = k + 1; |
619 | |
|
|
620 | } |
712 | } |
621 | |
713 | |
622 | void inline_speed |
714 | void inline_speed |
623 | downheap (WT *heap, int N, int k) |
715 | downheap (WT *heap, int N, int k) |
624 | { |
716 | { |
625 | WT w = heap [k]; |
717 | WT w = heap [k]; |
626 | |
718 | |
627 | while (k < (N >> 1)) |
719 | for (;;) |
628 | { |
720 | { |
629 | int j = k << 1; |
721 | int c = (k << 1) + 1; |
630 | |
722 | |
631 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
723 | if (c >= N) |
632 | ++j; |
|
|
633 | |
|
|
634 | if (w->at <= heap [j]->at) |
|
|
635 | break; |
724 | break; |
636 | |
725 | |
|
|
726 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
727 | ? 1 : 0; |
|
|
728 | |
|
|
729 | if (w->at <= heap [c]->at) |
|
|
730 | break; |
|
|
731 | |
637 | heap [k] = heap [j]; |
732 | heap [k] = heap [c]; |
638 | ((W)heap [k])->active = k + 1; |
733 | ((W)heap [k])->active = k + 1; |
|
|
734 | |
639 | k = j; |
735 | k = c; |
640 | } |
736 | } |
641 | |
737 | |
642 | heap [k] = w; |
738 | heap [k] = w; |
643 | ((W)heap [k])->active = k + 1; |
739 | ((W)heap [k])->active = k + 1; |
644 | } |
740 | } |
… | |
… | |
726 | for (signum = signalmax; signum--; ) |
822 | for (signum = signalmax; signum--; ) |
727 | if (signals [signum].gotsig) |
823 | if (signals [signum].gotsig) |
728 | ev_feed_signal_event (EV_A_ signum + 1); |
824 | ev_feed_signal_event (EV_A_ signum + 1); |
729 | } |
825 | } |
730 | |
826 | |
731 | void inline_size |
827 | void inline_speed |
732 | fd_intern (int fd) |
828 | fd_intern (int fd) |
733 | { |
829 | { |
734 | #ifdef _WIN32 |
830 | #ifdef _WIN32 |
735 | int arg = 1; |
831 | int arg = 1; |
736 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
832 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
751 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
847 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
752 | } |
848 | } |
753 | |
849 | |
754 | /*****************************************************************************/ |
850 | /*****************************************************************************/ |
755 | |
851 | |
756 | static ev_child *childs [EV_PID_HASHSIZE]; |
852 | static WL childs [EV_PID_HASHSIZE]; |
757 | |
853 | |
758 | #ifndef _WIN32 |
854 | #ifndef _WIN32 |
759 | |
855 | |
760 | static ev_signal childev; |
856 | static ev_signal childev; |
761 | |
857 | |
… | |
… | |
765 | ev_child *w; |
861 | ev_child *w; |
766 | |
862 | |
767 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
863 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
768 | if (w->pid == pid || !w->pid) |
864 | if (w->pid == pid || !w->pid) |
769 | { |
865 | { |
770 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
866 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
771 | w->rpid = pid; |
867 | w->rpid = pid; |
772 | w->rstatus = status; |
868 | w->rstatus = status; |
773 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
869 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
774 | } |
870 | } |
775 | } |
871 | } |
776 | |
872 | |
777 | #ifndef WCONTINUED |
873 | #ifndef WCONTINUED |
… | |
… | |
876 | } |
972 | } |
877 | |
973 | |
878 | unsigned int |
974 | unsigned int |
879 | ev_embeddable_backends (void) |
975 | ev_embeddable_backends (void) |
880 | { |
976 | { |
881 | return EVBACKEND_EPOLL |
977 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
882 | | EVBACKEND_KQUEUE |
978 | |
883 | | EVBACKEND_PORT; |
979 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
980 | /* please fix it and tell me how to detect the fix */ |
|
|
981 | flags &= ~EVBACKEND_EPOLL; |
|
|
982 | |
|
|
983 | return flags; |
884 | } |
984 | } |
885 | |
985 | |
886 | unsigned int |
986 | unsigned int |
887 | ev_backend (EV_P) |
987 | ev_backend (EV_P) |
888 | { |
988 | { |
889 | return backend; |
989 | return backend; |
|
|
990 | } |
|
|
991 | |
|
|
992 | unsigned int |
|
|
993 | ev_loop_count (EV_P) |
|
|
994 | { |
|
|
995 | return loop_count; |
|
|
996 | } |
|
|
997 | |
|
|
998 | void |
|
|
999 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1000 | { |
|
|
1001 | io_blocktime = interval; |
|
|
1002 | } |
|
|
1003 | |
|
|
1004 | void |
|
|
1005 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1006 | { |
|
|
1007 | timeout_blocktime = interval; |
890 | } |
1008 | } |
891 | |
1009 | |
892 | static void noinline |
1010 | static void noinline |
893 | loop_init (EV_P_ unsigned int flags) |
1011 | loop_init (EV_P_ unsigned int flags) |
894 | { |
1012 | { |
… | |
… | |
905 | ev_rt_now = ev_time (); |
1023 | ev_rt_now = ev_time (); |
906 | mn_now = get_clock (); |
1024 | mn_now = get_clock (); |
907 | now_floor = mn_now; |
1025 | now_floor = mn_now; |
908 | rtmn_diff = ev_rt_now - mn_now; |
1026 | rtmn_diff = ev_rt_now - mn_now; |
909 | |
1027 | |
|
|
1028 | io_blocktime = 0.; |
|
|
1029 | timeout_blocktime = 0.; |
|
|
1030 | |
|
|
1031 | /* pid check not overridable via env */ |
|
|
1032 | #ifndef _WIN32 |
|
|
1033 | if (flags & EVFLAG_FORKCHECK) |
|
|
1034 | curpid = getpid (); |
|
|
1035 | #endif |
|
|
1036 | |
910 | if (!(flags & EVFLAG_NOENV) |
1037 | if (!(flags & EVFLAG_NOENV) |
911 | && !enable_secure () |
1038 | && !enable_secure () |
912 | && getenv ("LIBEV_FLAGS")) |
1039 | && getenv ("LIBEV_FLAGS")) |
913 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1040 | flags = atoi (getenv ("LIBEV_FLAGS")); |
914 | |
1041 | |
… | |
… | |
970 | #if EV_USE_SELECT |
1097 | #if EV_USE_SELECT |
971 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1098 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
972 | #endif |
1099 | #endif |
973 | |
1100 | |
974 | for (i = NUMPRI; i--; ) |
1101 | for (i = NUMPRI; i--; ) |
|
|
1102 | { |
975 | array_free (pending, [i]); |
1103 | array_free (pending, [i]); |
|
|
1104 | #if EV_IDLE_ENABLE |
|
|
1105 | array_free (idle, [i]); |
|
|
1106 | #endif |
|
|
1107 | } |
|
|
1108 | |
|
|
1109 | ev_free (anfds); anfdmax = 0; |
976 | |
1110 | |
977 | /* have to use the microsoft-never-gets-it-right macro */ |
1111 | /* have to use the microsoft-never-gets-it-right macro */ |
978 | array_free (fdchange, EMPTY0); |
1112 | array_free (fdchange, EMPTY); |
979 | array_free (timer, EMPTY0); |
1113 | array_free (timer, EMPTY); |
980 | #if EV_PERIODIC_ENABLE |
1114 | #if EV_PERIODIC_ENABLE |
981 | array_free (periodic, EMPTY0); |
1115 | array_free (periodic, EMPTY); |
982 | #endif |
1116 | #endif |
|
|
1117 | #if EV_FORK_ENABLE |
983 | array_free (idle, EMPTY0); |
1118 | array_free (fork, EMPTY); |
|
|
1119 | #endif |
984 | array_free (prepare, EMPTY0); |
1120 | array_free (prepare, EMPTY); |
985 | array_free (check, EMPTY0); |
1121 | array_free (check, EMPTY); |
986 | |
1122 | |
987 | backend = 0; |
1123 | backend = 0; |
988 | } |
1124 | } |
989 | |
1125 | |
990 | void inline_size infy_fork (EV_P); |
1126 | void inline_size infy_fork (EV_P); |
… | |
… | |
1126 | postfork = 1; |
1262 | postfork = 1; |
1127 | } |
1263 | } |
1128 | |
1264 | |
1129 | /*****************************************************************************/ |
1265 | /*****************************************************************************/ |
1130 | |
1266 | |
1131 | int inline_size |
1267 | void |
1132 | any_pending (EV_P) |
1268 | ev_invoke (EV_P_ void *w, int revents) |
1133 | { |
1269 | { |
1134 | int pri; |
1270 | EV_CB_INVOKE ((W)w, revents); |
1135 | |
|
|
1136 | for (pri = NUMPRI; pri--; ) |
|
|
1137 | if (pendingcnt [pri]) |
|
|
1138 | return 1; |
|
|
1139 | |
|
|
1140 | return 0; |
|
|
1141 | } |
1271 | } |
1142 | |
1272 | |
1143 | void inline_speed |
1273 | void inline_speed |
1144 | call_pending (EV_P) |
1274 | call_pending (EV_P) |
1145 | { |
1275 | { |
… | |
… | |
1163 | void inline_size |
1293 | void inline_size |
1164 | timers_reify (EV_P) |
1294 | timers_reify (EV_P) |
1165 | { |
1295 | { |
1166 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1296 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1167 | { |
1297 | { |
1168 | ev_timer *w = timers [0]; |
1298 | ev_timer *w = (ev_timer *)timers [0]; |
1169 | |
1299 | |
1170 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1300 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1171 | |
1301 | |
1172 | /* first reschedule or stop timer */ |
1302 | /* first reschedule or stop timer */ |
1173 | if (w->repeat) |
1303 | if (w->repeat) |
… | |
… | |
1176 | |
1306 | |
1177 | ((WT)w)->at += w->repeat; |
1307 | ((WT)w)->at += w->repeat; |
1178 | if (((WT)w)->at < mn_now) |
1308 | if (((WT)w)->at < mn_now) |
1179 | ((WT)w)->at = mn_now; |
1309 | ((WT)w)->at = mn_now; |
1180 | |
1310 | |
1181 | downheap ((WT *)timers, timercnt, 0); |
1311 | downheap (timers, timercnt, 0); |
1182 | } |
1312 | } |
1183 | else |
1313 | else |
1184 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1314 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1185 | |
1315 | |
1186 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1316 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1191 | void inline_size |
1321 | void inline_size |
1192 | periodics_reify (EV_P) |
1322 | periodics_reify (EV_P) |
1193 | { |
1323 | { |
1194 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1324 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1195 | { |
1325 | { |
1196 | ev_periodic *w = periodics [0]; |
1326 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1197 | |
1327 | |
1198 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1328 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1199 | |
1329 | |
1200 | /* first reschedule or stop timer */ |
1330 | /* first reschedule or stop timer */ |
1201 | if (w->reschedule_cb) |
1331 | if (w->reschedule_cb) |
1202 | { |
1332 | { |
1203 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1333 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1204 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1334 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1205 | downheap ((WT *)periodics, periodiccnt, 0); |
1335 | downheap (periodics, periodiccnt, 0); |
1206 | } |
1336 | } |
1207 | else if (w->interval) |
1337 | else if (w->interval) |
1208 | { |
1338 | { |
1209 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1339 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1340 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1210 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1341 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1211 | downheap ((WT *)periodics, periodiccnt, 0); |
1342 | downheap (periodics, periodiccnt, 0); |
1212 | } |
1343 | } |
1213 | else |
1344 | else |
1214 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1345 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1215 | |
1346 | |
1216 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1347 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1223 | int i; |
1354 | int i; |
1224 | |
1355 | |
1225 | /* adjust periodics after time jump */ |
1356 | /* adjust periodics after time jump */ |
1226 | for (i = 0; i < periodiccnt; ++i) |
1357 | for (i = 0; i < periodiccnt; ++i) |
1227 | { |
1358 | { |
1228 | ev_periodic *w = periodics [i]; |
1359 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1229 | |
1360 | |
1230 | if (w->reschedule_cb) |
1361 | if (w->reschedule_cb) |
1231 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1362 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1232 | else if (w->interval) |
1363 | else if (w->interval) |
1233 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1364 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1234 | } |
1365 | } |
1235 | |
1366 | |
1236 | /* now rebuild the heap */ |
1367 | /* now rebuild the heap */ |
1237 | for (i = periodiccnt >> 1; i--; ) |
1368 | for (i = periodiccnt >> 1; i--; ) |
1238 | downheap ((WT *)periodics, periodiccnt, i); |
1369 | downheap (periodics, periodiccnt, i); |
1239 | } |
1370 | } |
1240 | #endif |
1371 | #endif |
1241 | |
1372 | |
|
|
1373 | #if EV_IDLE_ENABLE |
1242 | int inline_size |
1374 | void inline_size |
1243 | time_update_monotonic (EV_P) |
1375 | idle_reify (EV_P) |
1244 | { |
1376 | { |
|
|
1377 | if (expect_false (idleall)) |
|
|
1378 | { |
|
|
1379 | int pri; |
|
|
1380 | |
|
|
1381 | for (pri = NUMPRI; pri--; ) |
|
|
1382 | { |
|
|
1383 | if (pendingcnt [pri]) |
|
|
1384 | break; |
|
|
1385 | |
|
|
1386 | if (idlecnt [pri]) |
|
|
1387 | { |
|
|
1388 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1389 | break; |
|
|
1390 | } |
|
|
1391 | } |
|
|
1392 | } |
|
|
1393 | } |
|
|
1394 | #endif |
|
|
1395 | |
|
|
1396 | void inline_speed |
|
|
1397 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1398 | { |
|
|
1399 | int i; |
|
|
1400 | |
|
|
1401 | #if EV_USE_MONOTONIC |
|
|
1402 | if (expect_true (have_monotonic)) |
|
|
1403 | { |
|
|
1404 | ev_tstamp odiff = rtmn_diff; |
|
|
1405 | |
1245 | mn_now = get_clock (); |
1406 | mn_now = get_clock (); |
1246 | |
1407 | |
|
|
1408 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1409 | /* interpolate in the meantime */ |
1247 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1410 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1248 | { |
1411 | { |
1249 | ev_rt_now = rtmn_diff + mn_now; |
1412 | ev_rt_now = rtmn_diff + mn_now; |
1250 | return 0; |
1413 | return; |
1251 | } |
1414 | } |
1252 | else |
1415 | |
1253 | { |
|
|
1254 | now_floor = mn_now; |
1416 | now_floor = mn_now; |
1255 | ev_rt_now = ev_time (); |
1417 | ev_rt_now = ev_time (); |
1256 | return 1; |
|
|
1257 | } |
|
|
1258 | } |
|
|
1259 | |
1418 | |
1260 | void inline_size |
1419 | /* loop a few times, before making important decisions. |
1261 | time_update (EV_P) |
1420 | * on the choice of "4": one iteration isn't enough, |
1262 | { |
1421 | * in case we get preempted during the calls to |
1263 | int i; |
1422 | * ev_time and get_clock. a second call is almost guaranteed |
1264 | |
1423 | * to succeed in that case, though. and looping a few more times |
1265 | #if EV_USE_MONOTONIC |
1424 | * doesn't hurt either as we only do this on time-jumps or |
1266 | if (expect_true (have_monotonic)) |
1425 | * in the unlikely event of having been preempted here. |
1267 | { |
1426 | */ |
1268 | if (time_update_monotonic (EV_A)) |
1427 | for (i = 4; --i; ) |
1269 | { |
1428 | { |
1270 | ev_tstamp odiff = rtmn_diff; |
|
|
1271 | |
|
|
1272 | /* loop a few times, before making important decisions. |
|
|
1273 | * on the choice of "4": one iteration isn't enough, |
|
|
1274 | * in case we get preempted during the calls to |
|
|
1275 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1276 | * to succeed in that case, though. and looping a few more times |
|
|
1277 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1278 | * in the unlikely event of getting preempted here. |
|
|
1279 | */ |
|
|
1280 | for (i = 4; --i; ) |
|
|
1281 | { |
|
|
1282 | rtmn_diff = ev_rt_now - mn_now; |
1429 | rtmn_diff = ev_rt_now - mn_now; |
1283 | |
1430 | |
1284 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1431 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1285 | return; /* all is well */ |
1432 | return; /* all is well */ |
1286 | |
1433 | |
1287 | ev_rt_now = ev_time (); |
1434 | ev_rt_now = ev_time (); |
1288 | mn_now = get_clock (); |
1435 | mn_now = get_clock (); |
1289 | now_floor = mn_now; |
1436 | now_floor = mn_now; |
1290 | } |
1437 | } |
1291 | |
1438 | |
1292 | # if EV_PERIODIC_ENABLE |
1439 | # if EV_PERIODIC_ENABLE |
1293 | periodics_reschedule (EV_A); |
1440 | periodics_reschedule (EV_A); |
1294 | # endif |
1441 | # endif |
1295 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1442 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1296 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1443 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1297 | } |
|
|
1298 | } |
1444 | } |
1299 | else |
1445 | else |
1300 | #endif |
1446 | #endif |
1301 | { |
1447 | { |
1302 | ev_rt_now = ev_time (); |
1448 | ev_rt_now = ev_time (); |
1303 | |
1449 | |
1304 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1450 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1305 | { |
1451 | { |
1306 | #if EV_PERIODIC_ENABLE |
1452 | #if EV_PERIODIC_ENABLE |
1307 | periodics_reschedule (EV_A); |
1453 | periodics_reschedule (EV_A); |
1308 | #endif |
1454 | #endif |
1309 | |
|
|
1310 | /* adjust timers. this is easy, as the offset is the same for all */ |
1455 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1311 | for (i = 0; i < timercnt; ++i) |
1456 | for (i = 0; i < timercnt; ++i) |
1312 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1457 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1313 | } |
1458 | } |
1314 | |
1459 | |
1315 | mn_now = ev_rt_now; |
1460 | mn_now = ev_rt_now; |
… | |
… | |
1335 | { |
1480 | { |
1336 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1481 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1337 | ? EVUNLOOP_ONE |
1482 | ? EVUNLOOP_ONE |
1338 | : EVUNLOOP_CANCEL; |
1483 | : EVUNLOOP_CANCEL; |
1339 | |
1484 | |
1340 | while (activecnt) |
1485 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1486 | |
|
|
1487 | do |
1341 | { |
1488 | { |
1342 | /* we might have forked, so reify kernel state if necessary */ |
1489 | #ifndef _WIN32 |
|
|
1490 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1491 | if (expect_false (getpid () != curpid)) |
|
|
1492 | { |
|
|
1493 | curpid = getpid (); |
|
|
1494 | postfork = 1; |
|
|
1495 | } |
|
|
1496 | #endif |
|
|
1497 | |
1343 | #if EV_FORK_ENABLE |
1498 | #if EV_FORK_ENABLE |
|
|
1499 | /* we might have forked, so queue fork handlers */ |
1344 | if (expect_false (postfork)) |
1500 | if (expect_false (postfork)) |
1345 | if (forkcnt) |
1501 | if (forkcnt) |
1346 | { |
1502 | { |
1347 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1503 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1348 | call_pending (EV_A); |
1504 | call_pending (EV_A); |
1349 | } |
1505 | } |
1350 | #endif |
1506 | #endif |
1351 | |
1507 | |
1352 | /* queue check watchers (and execute them) */ |
1508 | /* queue prepare watchers (and execute them) */ |
1353 | if (expect_false (preparecnt)) |
1509 | if (expect_false (preparecnt)) |
1354 | { |
1510 | { |
1355 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1511 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1356 | call_pending (EV_A); |
1512 | call_pending (EV_A); |
1357 | } |
1513 | } |
1358 | |
1514 | |
|
|
1515 | if (expect_false (!activecnt)) |
|
|
1516 | break; |
|
|
1517 | |
1359 | /* we might have forked, so reify kernel state if necessary */ |
1518 | /* we might have forked, so reify kernel state if necessary */ |
1360 | if (expect_false (postfork)) |
1519 | if (expect_false (postfork)) |
1361 | loop_fork (EV_A); |
1520 | loop_fork (EV_A); |
1362 | |
1521 | |
1363 | /* update fd-related kernel structures */ |
1522 | /* update fd-related kernel structures */ |
1364 | fd_reify (EV_A); |
1523 | fd_reify (EV_A); |
1365 | |
1524 | |
1366 | /* calculate blocking time */ |
1525 | /* calculate blocking time */ |
1367 | { |
1526 | { |
1368 | double block; |
1527 | ev_tstamp waittime = 0.; |
|
|
1528 | ev_tstamp sleeptime = 0.; |
1369 | |
1529 | |
1370 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1530 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1371 | block = 0.; /* do not block at all */ |
|
|
1372 | else |
|
|
1373 | { |
1531 | { |
1374 | /* update time to cancel out callback processing overhead */ |
1532 | /* update time to cancel out callback processing overhead */ |
1375 | #if EV_USE_MONOTONIC |
|
|
1376 | if (expect_true (have_monotonic)) |
|
|
1377 | time_update_monotonic (EV_A); |
1533 | time_update (EV_A_ 1e100); |
1378 | else |
|
|
1379 | #endif |
|
|
1380 | { |
|
|
1381 | ev_rt_now = ev_time (); |
|
|
1382 | mn_now = ev_rt_now; |
|
|
1383 | } |
|
|
1384 | |
1534 | |
1385 | block = MAX_BLOCKTIME; |
1535 | waittime = MAX_BLOCKTIME; |
1386 | |
1536 | |
1387 | if (timercnt) |
1537 | if (timercnt) |
1388 | { |
1538 | { |
1389 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1539 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1390 | if (block > to) block = to; |
1540 | if (waittime > to) waittime = to; |
1391 | } |
1541 | } |
1392 | |
1542 | |
1393 | #if EV_PERIODIC_ENABLE |
1543 | #if EV_PERIODIC_ENABLE |
1394 | if (periodiccnt) |
1544 | if (periodiccnt) |
1395 | { |
1545 | { |
1396 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1546 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1397 | if (block > to) block = to; |
1547 | if (waittime > to) waittime = to; |
1398 | } |
1548 | } |
1399 | #endif |
1549 | #endif |
1400 | |
1550 | |
1401 | if (expect_false (block < 0.)) block = 0.; |
1551 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1552 | waittime = timeout_blocktime; |
|
|
1553 | |
|
|
1554 | sleeptime = waittime - backend_fudge; |
|
|
1555 | |
|
|
1556 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1557 | sleeptime = io_blocktime; |
|
|
1558 | |
|
|
1559 | if (sleeptime) |
|
|
1560 | { |
|
|
1561 | ev_sleep (sleeptime); |
|
|
1562 | waittime -= sleeptime; |
|
|
1563 | } |
1402 | } |
1564 | } |
1403 | |
1565 | |
|
|
1566 | ++loop_count; |
1404 | backend_poll (EV_A_ block); |
1567 | backend_poll (EV_A_ waittime); |
|
|
1568 | |
|
|
1569 | /* update ev_rt_now, do magic */ |
|
|
1570 | time_update (EV_A_ waittime + sleeptime); |
1405 | } |
1571 | } |
1406 | |
|
|
1407 | /* update ev_rt_now, do magic */ |
|
|
1408 | time_update (EV_A); |
|
|
1409 | |
1572 | |
1410 | /* queue pending timers and reschedule them */ |
1573 | /* queue pending timers and reschedule them */ |
1411 | timers_reify (EV_A); /* relative timers called last */ |
1574 | timers_reify (EV_A); /* relative timers called last */ |
1412 | #if EV_PERIODIC_ENABLE |
1575 | #if EV_PERIODIC_ENABLE |
1413 | periodics_reify (EV_A); /* absolute timers called first */ |
1576 | periodics_reify (EV_A); /* absolute timers called first */ |
1414 | #endif |
1577 | #endif |
1415 | |
1578 | |
|
|
1579 | #if EV_IDLE_ENABLE |
1416 | /* queue idle watchers unless other events are pending */ |
1580 | /* queue idle watchers unless other events are pending */ |
1417 | if (idlecnt && !any_pending (EV_A)) |
1581 | idle_reify (EV_A); |
1418 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1582 | #endif |
1419 | |
1583 | |
1420 | /* queue check watchers, to be executed first */ |
1584 | /* queue check watchers, to be executed first */ |
1421 | if (expect_false (checkcnt)) |
1585 | if (expect_false (checkcnt)) |
1422 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1586 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1423 | |
1587 | |
1424 | call_pending (EV_A); |
1588 | call_pending (EV_A); |
1425 | |
1589 | |
1426 | if (expect_false (loop_done)) |
|
|
1427 | break; |
|
|
1428 | } |
1590 | } |
|
|
1591 | while (expect_true (activecnt && !loop_done)); |
1429 | |
1592 | |
1430 | if (loop_done == EVUNLOOP_ONE) |
1593 | if (loop_done == EVUNLOOP_ONE) |
1431 | loop_done = EVUNLOOP_CANCEL; |
1594 | loop_done = EVUNLOOP_CANCEL; |
1432 | } |
1595 | } |
1433 | |
1596 | |
… | |
… | |
1460 | head = &(*head)->next; |
1623 | head = &(*head)->next; |
1461 | } |
1624 | } |
1462 | } |
1625 | } |
1463 | |
1626 | |
1464 | void inline_speed |
1627 | void inline_speed |
1465 | ev_clear_pending (EV_P_ W w) |
1628 | clear_pending (EV_P_ W w) |
1466 | { |
1629 | { |
1467 | if (w->pending) |
1630 | if (w->pending) |
1468 | { |
1631 | { |
1469 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1632 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1470 | w->pending = 0; |
1633 | w->pending = 0; |
1471 | } |
1634 | } |
1472 | } |
1635 | } |
1473 | |
1636 | |
|
|
1637 | int |
|
|
1638 | ev_clear_pending (EV_P_ void *w) |
|
|
1639 | { |
|
|
1640 | W w_ = (W)w; |
|
|
1641 | int pending = w_->pending; |
|
|
1642 | |
|
|
1643 | if (expect_true (pending)) |
|
|
1644 | { |
|
|
1645 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1646 | w_->pending = 0; |
|
|
1647 | p->w = 0; |
|
|
1648 | return p->events; |
|
|
1649 | } |
|
|
1650 | else |
|
|
1651 | return 0; |
|
|
1652 | } |
|
|
1653 | |
|
|
1654 | void inline_size |
|
|
1655 | pri_adjust (EV_P_ W w) |
|
|
1656 | { |
|
|
1657 | int pri = w->priority; |
|
|
1658 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1659 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1660 | w->priority = pri; |
|
|
1661 | } |
|
|
1662 | |
1474 | void inline_speed |
1663 | void inline_speed |
1475 | ev_start (EV_P_ W w, int active) |
1664 | ev_start (EV_P_ W w, int active) |
1476 | { |
1665 | { |
1477 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1666 | pri_adjust (EV_A_ w); |
1478 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1479 | |
|
|
1480 | w->active = active; |
1667 | w->active = active; |
1481 | ev_ref (EV_A); |
1668 | ev_ref (EV_A); |
1482 | } |
1669 | } |
1483 | |
1670 | |
1484 | void inline_size |
1671 | void inline_size |
… | |
… | |
1488 | w->active = 0; |
1675 | w->active = 0; |
1489 | } |
1676 | } |
1490 | |
1677 | |
1491 | /*****************************************************************************/ |
1678 | /*****************************************************************************/ |
1492 | |
1679 | |
1493 | void |
1680 | void noinline |
1494 | ev_io_start (EV_P_ ev_io *w) |
1681 | ev_io_start (EV_P_ ev_io *w) |
1495 | { |
1682 | { |
1496 | int fd = w->fd; |
1683 | int fd = w->fd; |
1497 | |
1684 | |
1498 | if (expect_false (ev_is_active (w))) |
1685 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1500 | |
1687 | |
1501 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1688 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1502 | |
1689 | |
1503 | ev_start (EV_A_ (W)w, 1); |
1690 | ev_start (EV_A_ (W)w, 1); |
1504 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1691 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1505 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1692 | wlist_add (&anfds[fd].head, (WL)w); |
1506 | |
1693 | |
1507 | fd_change (EV_A_ fd); |
1694 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1695 | w->events &= ~EV_IOFDSET; |
1508 | } |
1696 | } |
1509 | |
1697 | |
1510 | void |
1698 | void noinline |
1511 | ev_io_stop (EV_P_ ev_io *w) |
1699 | ev_io_stop (EV_P_ ev_io *w) |
1512 | { |
1700 | { |
1513 | ev_clear_pending (EV_A_ (W)w); |
1701 | clear_pending (EV_A_ (W)w); |
1514 | if (expect_false (!ev_is_active (w))) |
1702 | if (expect_false (!ev_is_active (w))) |
1515 | return; |
1703 | return; |
1516 | |
1704 | |
1517 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1705 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1518 | |
1706 | |
1519 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1707 | wlist_del (&anfds[w->fd].head, (WL)w); |
1520 | ev_stop (EV_A_ (W)w); |
1708 | ev_stop (EV_A_ (W)w); |
1521 | |
1709 | |
1522 | fd_change (EV_A_ w->fd); |
1710 | fd_change (EV_A_ w->fd, 1); |
1523 | } |
1711 | } |
1524 | |
1712 | |
1525 | void |
1713 | void noinline |
1526 | ev_timer_start (EV_P_ ev_timer *w) |
1714 | ev_timer_start (EV_P_ ev_timer *w) |
1527 | { |
1715 | { |
1528 | if (expect_false (ev_is_active (w))) |
1716 | if (expect_false (ev_is_active (w))) |
1529 | return; |
1717 | return; |
1530 | |
1718 | |
1531 | ((WT)w)->at += mn_now; |
1719 | ((WT)w)->at += mn_now; |
1532 | |
1720 | |
1533 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1721 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1534 | |
1722 | |
1535 | ev_start (EV_A_ (W)w, ++timercnt); |
1723 | ev_start (EV_A_ (W)w, ++timercnt); |
1536 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1724 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1537 | timers [timercnt - 1] = w; |
1725 | timers [timercnt - 1] = (WT)w; |
1538 | upheap ((WT *)timers, timercnt - 1); |
1726 | upheap (timers, timercnt - 1); |
1539 | |
1727 | |
1540 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1728 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1541 | } |
1729 | } |
1542 | |
1730 | |
1543 | void |
1731 | void noinline |
1544 | ev_timer_stop (EV_P_ ev_timer *w) |
1732 | ev_timer_stop (EV_P_ ev_timer *w) |
1545 | { |
1733 | { |
1546 | ev_clear_pending (EV_A_ (W)w); |
1734 | clear_pending (EV_A_ (W)w); |
1547 | if (expect_false (!ev_is_active (w))) |
1735 | if (expect_false (!ev_is_active (w))) |
1548 | return; |
1736 | return; |
1549 | |
1737 | |
1550 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1738 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1551 | |
1739 | |
1552 | { |
1740 | { |
1553 | int active = ((W)w)->active; |
1741 | int active = ((W)w)->active; |
1554 | |
1742 | |
1555 | if (expect_true (--active < --timercnt)) |
1743 | if (expect_true (--active < --timercnt)) |
1556 | { |
1744 | { |
1557 | timers [active] = timers [timercnt]; |
1745 | timers [active] = timers [timercnt]; |
1558 | adjustheap ((WT *)timers, timercnt, active); |
1746 | adjustheap (timers, timercnt, active); |
1559 | } |
1747 | } |
1560 | } |
1748 | } |
1561 | |
1749 | |
1562 | ((WT)w)->at -= mn_now; |
1750 | ((WT)w)->at -= mn_now; |
1563 | |
1751 | |
1564 | ev_stop (EV_A_ (W)w); |
1752 | ev_stop (EV_A_ (W)w); |
1565 | } |
1753 | } |
1566 | |
1754 | |
1567 | void |
1755 | void noinline |
1568 | ev_timer_again (EV_P_ ev_timer *w) |
1756 | ev_timer_again (EV_P_ ev_timer *w) |
1569 | { |
1757 | { |
1570 | if (ev_is_active (w)) |
1758 | if (ev_is_active (w)) |
1571 | { |
1759 | { |
1572 | if (w->repeat) |
1760 | if (w->repeat) |
1573 | { |
1761 | { |
1574 | ((WT)w)->at = mn_now + w->repeat; |
1762 | ((WT)w)->at = mn_now + w->repeat; |
1575 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1763 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1576 | } |
1764 | } |
1577 | else |
1765 | else |
1578 | ev_timer_stop (EV_A_ w); |
1766 | ev_timer_stop (EV_A_ w); |
1579 | } |
1767 | } |
1580 | else if (w->repeat) |
1768 | else if (w->repeat) |
… | |
… | |
1583 | ev_timer_start (EV_A_ w); |
1771 | ev_timer_start (EV_A_ w); |
1584 | } |
1772 | } |
1585 | } |
1773 | } |
1586 | |
1774 | |
1587 | #if EV_PERIODIC_ENABLE |
1775 | #if EV_PERIODIC_ENABLE |
1588 | void |
1776 | void noinline |
1589 | ev_periodic_start (EV_P_ ev_periodic *w) |
1777 | ev_periodic_start (EV_P_ ev_periodic *w) |
1590 | { |
1778 | { |
1591 | if (expect_false (ev_is_active (w))) |
1779 | if (expect_false (ev_is_active (w))) |
1592 | return; |
1780 | return; |
1593 | |
1781 | |
… | |
… | |
1595 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1783 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1596 | else if (w->interval) |
1784 | else if (w->interval) |
1597 | { |
1785 | { |
1598 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1786 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1599 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1787 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1600 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1788 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1601 | } |
1789 | } |
|
|
1790 | else |
|
|
1791 | ((WT)w)->at = w->offset; |
1602 | |
1792 | |
1603 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1793 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1604 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1794 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1605 | periodics [periodiccnt - 1] = w; |
1795 | periodics [periodiccnt - 1] = (WT)w; |
1606 | upheap ((WT *)periodics, periodiccnt - 1); |
1796 | upheap (periodics, periodiccnt - 1); |
1607 | |
1797 | |
1608 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1798 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1609 | } |
1799 | } |
1610 | |
1800 | |
1611 | void |
1801 | void noinline |
1612 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1802 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1613 | { |
1803 | { |
1614 | ev_clear_pending (EV_A_ (W)w); |
1804 | clear_pending (EV_A_ (W)w); |
1615 | if (expect_false (!ev_is_active (w))) |
1805 | if (expect_false (!ev_is_active (w))) |
1616 | return; |
1806 | return; |
1617 | |
1807 | |
1618 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1808 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1619 | |
1809 | |
1620 | { |
1810 | { |
1621 | int active = ((W)w)->active; |
1811 | int active = ((W)w)->active; |
1622 | |
1812 | |
1623 | if (expect_true (--active < --periodiccnt)) |
1813 | if (expect_true (--active < --periodiccnt)) |
1624 | { |
1814 | { |
1625 | periodics [active] = periodics [periodiccnt]; |
1815 | periodics [active] = periodics [periodiccnt]; |
1626 | adjustheap ((WT *)periodics, periodiccnt, active); |
1816 | adjustheap (periodics, periodiccnt, active); |
1627 | } |
1817 | } |
1628 | } |
1818 | } |
1629 | |
1819 | |
1630 | ev_stop (EV_A_ (W)w); |
1820 | ev_stop (EV_A_ (W)w); |
1631 | } |
1821 | } |
1632 | |
1822 | |
1633 | void |
1823 | void noinline |
1634 | ev_periodic_again (EV_P_ ev_periodic *w) |
1824 | ev_periodic_again (EV_P_ ev_periodic *w) |
1635 | { |
1825 | { |
1636 | /* TODO: use adjustheap and recalculation */ |
1826 | /* TODO: use adjustheap and recalculation */ |
1637 | ev_periodic_stop (EV_A_ w); |
1827 | ev_periodic_stop (EV_A_ w); |
1638 | ev_periodic_start (EV_A_ w); |
1828 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1641 | |
1831 | |
1642 | #ifndef SA_RESTART |
1832 | #ifndef SA_RESTART |
1643 | # define SA_RESTART 0 |
1833 | # define SA_RESTART 0 |
1644 | #endif |
1834 | #endif |
1645 | |
1835 | |
1646 | void |
1836 | void noinline |
1647 | ev_signal_start (EV_P_ ev_signal *w) |
1837 | ev_signal_start (EV_P_ ev_signal *w) |
1648 | { |
1838 | { |
1649 | #if EV_MULTIPLICITY |
1839 | #if EV_MULTIPLICITY |
1650 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1840 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1651 | #endif |
1841 | #endif |
1652 | if (expect_false (ev_is_active (w))) |
1842 | if (expect_false (ev_is_active (w))) |
1653 | return; |
1843 | return; |
1654 | |
1844 | |
1655 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1845 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1656 | |
1846 | |
|
|
1847 | { |
|
|
1848 | #ifndef _WIN32 |
|
|
1849 | sigset_t full, prev; |
|
|
1850 | sigfillset (&full); |
|
|
1851 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1852 | #endif |
|
|
1853 | |
|
|
1854 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1855 | |
|
|
1856 | #ifndef _WIN32 |
|
|
1857 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1858 | #endif |
|
|
1859 | } |
|
|
1860 | |
1657 | ev_start (EV_A_ (W)w, 1); |
1861 | ev_start (EV_A_ (W)w, 1); |
1658 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1659 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1862 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1660 | |
1863 | |
1661 | if (!((WL)w)->next) |
1864 | if (!((WL)w)->next) |
1662 | { |
1865 | { |
1663 | #if _WIN32 |
1866 | #if _WIN32 |
1664 | signal (w->signum, sighandler); |
1867 | signal (w->signum, sighandler); |
… | |
… | |
1670 | sigaction (w->signum, &sa, 0); |
1873 | sigaction (w->signum, &sa, 0); |
1671 | #endif |
1874 | #endif |
1672 | } |
1875 | } |
1673 | } |
1876 | } |
1674 | |
1877 | |
1675 | void |
1878 | void noinline |
1676 | ev_signal_stop (EV_P_ ev_signal *w) |
1879 | ev_signal_stop (EV_P_ ev_signal *w) |
1677 | { |
1880 | { |
1678 | ev_clear_pending (EV_A_ (W)w); |
1881 | clear_pending (EV_A_ (W)w); |
1679 | if (expect_false (!ev_is_active (w))) |
1882 | if (expect_false (!ev_is_active (w))) |
1680 | return; |
1883 | return; |
1681 | |
1884 | |
1682 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1885 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1683 | ev_stop (EV_A_ (W)w); |
1886 | ev_stop (EV_A_ (W)w); |
1684 | |
1887 | |
1685 | if (!signals [w->signum - 1].head) |
1888 | if (!signals [w->signum - 1].head) |
1686 | signal (w->signum, SIG_DFL); |
1889 | signal (w->signum, SIG_DFL); |
1687 | } |
1890 | } |
… | |
… | |
1694 | #endif |
1897 | #endif |
1695 | if (expect_false (ev_is_active (w))) |
1898 | if (expect_false (ev_is_active (w))) |
1696 | return; |
1899 | return; |
1697 | |
1900 | |
1698 | ev_start (EV_A_ (W)w, 1); |
1901 | ev_start (EV_A_ (W)w, 1); |
1699 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1902 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1700 | } |
1903 | } |
1701 | |
1904 | |
1702 | void |
1905 | void |
1703 | ev_child_stop (EV_P_ ev_child *w) |
1906 | ev_child_stop (EV_P_ ev_child *w) |
1704 | { |
1907 | { |
1705 | ev_clear_pending (EV_A_ (W)w); |
1908 | clear_pending (EV_A_ (W)w); |
1706 | if (expect_false (!ev_is_active (w))) |
1909 | if (expect_false (!ev_is_active (w))) |
1707 | return; |
1910 | return; |
1708 | |
1911 | |
1709 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1912 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1710 | ev_stop (EV_A_ (W)w); |
1913 | ev_stop (EV_A_ (W)w); |
1711 | } |
1914 | } |
1712 | |
1915 | |
1713 | #if EV_STAT_ENABLE |
1916 | #if EV_STAT_ENABLE |
1714 | |
1917 | |
… | |
… | |
1718 | # endif |
1921 | # endif |
1719 | |
1922 | |
1720 | #define DEF_STAT_INTERVAL 5.0074891 |
1923 | #define DEF_STAT_INTERVAL 5.0074891 |
1721 | #define MIN_STAT_INTERVAL 0.1074891 |
1924 | #define MIN_STAT_INTERVAL 0.1074891 |
1722 | |
1925 | |
1723 | void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1926 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1724 | |
1927 | |
1725 | #if EV_USE_INOTIFY |
1928 | #if EV_USE_INOTIFY |
1726 | # define EV_INOTIFY_BUFSIZE 8192 |
1929 | # define EV_INOTIFY_BUFSIZE 8192 |
1727 | |
1930 | |
1728 | static void noinline |
1931 | static void noinline |
… | |
… | |
1879 | w->attr.st_nlink = 0; |
2082 | w->attr.st_nlink = 0; |
1880 | else if (!w->attr.st_nlink) |
2083 | else if (!w->attr.st_nlink) |
1881 | w->attr.st_nlink = 1; |
2084 | w->attr.st_nlink = 1; |
1882 | } |
2085 | } |
1883 | |
2086 | |
1884 | void noinline |
2087 | static void noinline |
1885 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2088 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
1886 | { |
2089 | { |
1887 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2090 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
1888 | |
2091 | |
1889 | /* we copy this here each the time so that */ |
2092 | /* we copy this here each the time so that */ |
1890 | /* prev has the old value when the callback gets invoked */ |
2093 | /* prev has the old value when the callback gets invoked */ |
1891 | w->prev = w->attr; |
2094 | w->prev = w->attr; |
1892 | ev_stat_stat (EV_A_ w); |
2095 | ev_stat_stat (EV_A_ w); |
1893 | |
2096 | |
1894 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
2097 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
2098 | if ( |
|
|
2099 | w->prev.st_dev != w->attr.st_dev |
|
|
2100 | || w->prev.st_ino != w->attr.st_ino |
|
|
2101 | || w->prev.st_mode != w->attr.st_mode |
|
|
2102 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
2103 | || w->prev.st_uid != w->attr.st_uid |
|
|
2104 | || w->prev.st_gid != w->attr.st_gid |
|
|
2105 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
2106 | || w->prev.st_size != w->attr.st_size |
|
|
2107 | || w->prev.st_atime != w->attr.st_atime |
|
|
2108 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
2109 | || w->prev.st_ctime != w->attr.st_ctime |
1895 | { |
2110 | ) { |
1896 | #if EV_USE_INOTIFY |
2111 | #if EV_USE_INOTIFY |
1897 | infy_del (EV_A_ w); |
2112 | infy_del (EV_A_ w); |
1898 | infy_add (EV_A_ w); |
2113 | infy_add (EV_A_ w); |
1899 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2114 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
1900 | #endif |
2115 | #endif |
… | |
… | |
1934 | } |
2149 | } |
1935 | |
2150 | |
1936 | void |
2151 | void |
1937 | ev_stat_stop (EV_P_ ev_stat *w) |
2152 | ev_stat_stop (EV_P_ ev_stat *w) |
1938 | { |
2153 | { |
1939 | ev_clear_pending (EV_A_ (W)w); |
2154 | clear_pending (EV_A_ (W)w); |
1940 | if (expect_false (!ev_is_active (w))) |
2155 | if (expect_false (!ev_is_active (w))) |
1941 | return; |
2156 | return; |
1942 | |
2157 | |
1943 | #if EV_USE_INOTIFY |
2158 | #if EV_USE_INOTIFY |
1944 | infy_del (EV_A_ w); |
2159 | infy_del (EV_A_ w); |
… | |
… | |
1947 | |
2162 | |
1948 | ev_stop (EV_A_ (W)w); |
2163 | ev_stop (EV_A_ (W)w); |
1949 | } |
2164 | } |
1950 | #endif |
2165 | #endif |
1951 | |
2166 | |
|
|
2167 | #if EV_IDLE_ENABLE |
1952 | void |
2168 | void |
1953 | ev_idle_start (EV_P_ ev_idle *w) |
2169 | ev_idle_start (EV_P_ ev_idle *w) |
1954 | { |
2170 | { |
1955 | if (expect_false (ev_is_active (w))) |
2171 | if (expect_false (ev_is_active (w))) |
1956 | return; |
2172 | return; |
1957 | |
2173 | |
|
|
2174 | pri_adjust (EV_A_ (W)w); |
|
|
2175 | |
|
|
2176 | { |
|
|
2177 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2178 | |
|
|
2179 | ++idleall; |
1958 | ev_start (EV_A_ (W)w, ++idlecnt); |
2180 | ev_start (EV_A_ (W)w, active); |
|
|
2181 | |
1959 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
2182 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
1960 | idles [idlecnt - 1] = w; |
2183 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2184 | } |
1961 | } |
2185 | } |
1962 | |
2186 | |
1963 | void |
2187 | void |
1964 | ev_idle_stop (EV_P_ ev_idle *w) |
2188 | ev_idle_stop (EV_P_ ev_idle *w) |
1965 | { |
2189 | { |
1966 | ev_clear_pending (EV_A_ (W)w); |
2190 | clear_pending (EV_A_ (W)w); |
1967 | if (expect_false (!ev_is_active (w))) |
2191 | if (expect_false (!ev_is_active (w))) |
1968 | return; |
2192 | return; |
1969 | |
2193 | |
1970 | { |
2194 | { |
1971 | int active = ((W)w)->active; |
2195 | int active = ((W)w)->active; |
1972 | idles [active - 1] = idles [--idlecnt]; |
2196 | |
|
|
2197 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
1973 | ((W)idles [active - 1])->active = active; |
2198 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2199 | |
|
|
2200 | ev_stop (EV_A_ (W)w); |
|
|
2201 | --idleall; |
1974 | } |
2202 | } |
1975 | |
|
|
1976 | ev_stop (EV_A_ (W)w); |
|
|
1977 | } |
2203 | } |
|
|
2204 | #endif |
1978 | |
2205 | |
1979 | void |
2206 | void |
1980 | ev_prepare_start (EV_P_ ev_prepare *w) |
2207 | ev_prepare_start (EV_P_ ev_prepare *w) |
1981 | { |
2208 | { |
1982 | if (expect_false (ev_is_active (w))) |
2209 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1988 | } |
2215 | } |
1989 | |
2216 | |
1990 | void |
2217 | void |
1991 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2218 | ev_prepare_stop (EV_P_ ev_prepare *w) |
1992 | { |
2219 | { |
1993 | ev_clear_pending (EV_A_ (W)w); |
2220 | clear_pending (EV_A_ (W)w); |
1994 | if (expect_false (!ev_is_active (w))) |
2221 | if (expect_false (!ev_is_active (w))) |
1995 | return; |
2222 | return; |
1996 | |
2223 | |
1997 | { |
2224 | { |
1998 | int active = ((W)w)->active; |
2225 | int active = ((W)w)->active; |
… | |
… | |
2015 | } |
2242 | } |
2016 | |
2243 | |
2017 | void |
2244 | void |
2018 | ev_check_stop (EV_P_ ev_check *w) |
2245 | ev_check_stop (EV_P_ ev_check *w) |
2019 | { |
2246 | { |
2020 | ev_clear_pending (EV_A_ (W)w); |
2247 | clear_pending (EV_A_ (W)w); |
2021 | if (expect_false (!ev_is_active (w))) |
2248 | if (expect_false (!ev_is_active (w))) |
2022 | return; |
2249 | return; |
2023 | |
2250 | |
2024 | { |
2251 | { |
2025 | int active = ((W)w)->active; |
2252 | int active = ((W)w)->active; |
… | |
… | |
2032 | |
2259 | |
2033 | #if EV_EMBED_ENABLE |
2260 | #if EV_EMBED_ENABLE |
2034 | void noinline |
2261 | void noinline |
2035 | ev_embed_sweep (EV_P_ ev_embed *w) |
2262 | ev_embed_sweep (EV_P_ ev_embed *w) |
2036 | { |
2263 | { |
2037 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2264 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2038 | } |
2265 | } |
2039 | |
2266 | |
2040 | static void |
2267 | static void |
2041 | embed_cb (EV_P_ ev_io *io, int revents) |
2268 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2042 | { |
2269 | { |
2043 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2270 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2044 | |
2271 | |
2045 | if (ev_cb (w)) |
2272 | if (ev_cb (w)) |
2046 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2273 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2047 | else |
2274 | else |
2048 | ev_embed_sweep (loop, w); |
2275 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2049 | } |
2276 | } |
|
|
2277 | |
|
|
2278 | static void |
|
|
2279 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2280 | { |
|
|
2281 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2282 | |
|
|
2283 | { |
|
|
2284 | struct ev_loop *loop = w->other; |
|
|
2285 | |
|
|
2286 | while (fdchangecnt) |
|
|
2287 | { |
|
|
2288 | fd_reify (EV_A); |
|
|
2289 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2290 | } |
|
|
2291 | } |
|
|
2292 | } |
|
|
2293 | |
|
|
2294 | #if 0 |
|
|
2295 | static void |
|
|
2296 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
2297 | { |
|
|
2298 | ev_idle_stop (EV_A_ idle); |
|
|
2299 | } |
|
|
2300 | #endif |
2050 | |
2301 | |
2051 | void |
2302 | void |
2052 | ev_embed_start (EV_P_ ev_embed *w) |
2303 | ev_embed_start (EV_P_ ev_embed *w) |
2053 | { |
2304 | { |
2054 | if (expect_false (ev_is_active (w))) |
2305 | if (expect_false (ev_is_active (w))) |
2055 | return; |
2306 | return; |
2056 | |
2307 | |
2057 | { |
2308 | { |
2058 | struct ev_loop *loop = w->loop; |
2309 | struct ev_loop *loop = w->other; |
2059 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2310 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2060 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2311 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2061 | } |
2312 | } |
2062 | |
2313 | |
2063 | ev_set_priority (&w->io, ev_priority (w)); |
2314 | ev_set_priority (&w->io, ev_priority (w)); |
2064 | ev_io_start (EV_A_ &w->io); |
2315 | ev_io_start (EV_A_ &w->io); |
2065 | |
2316 | |
|
|
2317 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2318 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2319 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2320 | |
|
|
2321 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
2322 | |
2066 | ev_start (EV_A_ (W)w, 1); |
2323 | ev_start (EV_A_ (W)w, 1); |
2067 | } |
2324 | } |
2068 | |
2325 | |
2069 | void |
2326 | void |
2070 | ev_embed_stop (EV_P_ ev_embed *w) |
2327 | ev_embed_stop (EV_P_ ev_embed *w) |
2071 | { |
2328 | { |
2072 | ev_clear_pending (EV_A_ (W)w); |
2329 | clear_pending (EV_A_ (W)w); |
2073 | if (expect_false (!ev_is_active (w))) |
2330 | if (expect_false (!ev_is_active (w))) |
2074 | return; |
2331 | return; |
2075 | |
2332 | |
2076 | ev_io_stop (EV_A_ &w->io); |
2333 | ev_io_stop (EV_A_ &w->io); |
|
|
2334 | ev_prepare_stop (EV_A_ &w->prepare); |
2077 | |
2335 | |
2078 | ev_stop (EV_A_ (W)w); |
2336 | ev_stop (EV_A_ (W)w); |
2079 | } |
2337 | } |
2080 | #endif |
2338 | #endif |
2081 | |
2339 | |
… | |
… | |
2092 | } |
2350 | } |
2093 | |
2351 | |
2094 | void |
2352 | void |
2095 | ev_fork_stop (EV_P_ ev_fork *w) |
2353 | ev_fork_stop (EV_P_ ev_fork *w) |
2096 | { |
2354 | { |
2097 | ev_clear_pending (EV_A_ (W)w); |
2355 | clear_pending (EV_A_ (W)w); |
2098 | if (expect_false (!ev_is_active (w))) |
2356 | if (expect_false (!ev_is_active (w))) |
2099 | return; |
2357 | return; |
2100 | |
2358 | |
2101 | { |
2359 | { |
2102 | int active = ((W)w)->active; |
2360 | int active = ((W)w)->active; |
… | |
… | |
2170 | ev_timer_set (&once->to, timeout, 0.); |
2428 | ev_timer_set (&once->to, timeout, 0.); |
2171 | ev_timer_start (EV_A_ &once->to); |
2429 | ev_timer_start (EV_A_ &once->to); |
2172 | } |
2430 | } |
2173 | } |
2431 | } |
2174 | |
2432 | |
|
|
2433 | #if EV_MULTIPLICITY |
|
|
2434 | #include "ev_wrap.h" |
|
|
2435 | #endif |
|
|
2436 | |
2175 | #ifdef __cplusplus |
2437 | #ifdef __cplusplus |
2176 | } |
2438 | } |
2177 | #endif |
2439 | #endif |
2178 | |
2440 | |