… | |
… | |
94 | # else |
94 | # else |
95 | # define EV_USE_PORT 0 |
95 | # define EV_USE_PORT 0 |
96 | # endif |
96 | # endif |
97 | # endif |
97 | # endif |
98 | |
98 | |
|
|
99 | # ifndef EV_USE_INOTIFY |
|
|
100 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
|
|
101 | # define EV_USE_INOTIFY 1 |
|
|
102 | # else |
|
|
103 | # define EV_USE_INOTIFY 0 |
|
|
104 | # endif |
|
|
105 | # endif |
|
|
106 | |
99 | #endif |
107 | #endif |
100 | |
108 | |
101 | #include <math.h> |
109 | #include <math.h> |
102 | #include <stdlib.h> |
110 | #include <stdlib.h> |
103 | #include <fcntl.h> |
111 | #include <fcntl.h> |
… | |
… | |
109 | #include <errno.h> |
117 | #include <errno.h> |
110 | #include <sys/types.h> |
118 | #include <sys/types.h> |
111 | #include <time.h> |
119 | #include <time.h> |
112 | |
120 | |
113 | #include <signal.h> |
121 | #include <signal.h> |
|
|
122 | |
|
|
123 | #ifdef EV_H |
|
|
124 | # include EV_H |
|
|
125 | #else |
|
|
126 | # include "ev.h" |
|
|
127 | #endif |
114 | |
128 | |
115 | #ifndef _WIN32 |
129 | #ifndef _WIN32 |
116 | # include <sys/time.h> |
130 | # include <sys/time.h> |
117 | # include <sys/wait.h> |
131 | # include <sys/wait.h> |
118 | # include <unistd.h> |
132 | # include <unistd.h> |
… | |
… | |
156 | |
170 | |
157 | #ifndef EV_USE_PORT |
171 | #ifndef EV_USE_PORT |
158 | # define EV_USE_PORT 0 |
172 | # define EV_USE_PORT 0 |
159 | #endif |
173 | #endif |
160 | |
174 | |
|
|
175 | #ifndef EV_USE_INOTIFY |
|
|
176 | # define EV_USE_INOTIFY 0 |
|
|
177 | #endif |
|
|
178 | |
161 | #ifndef EV_PID_HASHSIZE |
179 | #ifndef EV_PID_HASHSIZE |
162 | # if EV_MINIMAL |
180 | # if EV_MINIMAL |
163 | # define EV_PID_HASHSIZE 1 |
181 | # define EV_PID_HASHSIZE 1 |
164 | # else |
182 | # else |
165 | # define EV_PID_HASHSIZE 16 |
183 | # define EV_PID_HASHSIZE 16 |
166 | # endif |
184 | # endif |
167 | #endif |
185 | #endif |
168 | |
186 | |
|
|
187 | #ifndef EV_INOTIFY_HASHSIZE |
|
|
188 | # if EV_MINIMAL |
|
|
189 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
190 | # else |
|
|
191 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
192 | # endif |
|
|
193 | #endif |
|
|
194 | |
169 | /**/ |
195 | /**/ |
170 | |
196 | |
171 | #ifndef CLOCK_MONOTONIC |
197 | #ifndef CLOCK_MONOTONIC |
172 | # undef EV_USE_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
173 | # define EV_USE_MONOTONIC 0 |
199 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
180 | |
206 | |
181 | #if EV_SELECT_IS_WINSOCKET |
207 | #if EV_SELECT_IS_WINSOCKET |
182 | # include <winsock.h> |
208 | # include <winsock.h> |
183 | #endif |
209 | #endif |
184 | |
210 | |
|
|
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 | |
185 | /**/ |
219 | /**/ |
|
|
220 | |
|
|
221 | /* |
|
|
222 | * This is used to avoid floating point rounding problems. |
|
|
223 | * It is added to ev_rt_now when scheduling periodics |
|
|
224 | * to ensure progress, time-wise, even when rounding |
|
|
225 | * errors are against us. |
|
|
226 | * This value is good at least till the year 4000. |
|
|
227 | * Better solutions welcome. |
|
|
228 | */ |
|
|
229 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
186 | |
230 | |
187 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
231 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
188 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
232 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
189 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
233 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
190 | |
|
|
191 | #ifdef EV_H |
|
|
192 | # include EV_H |
|
|
193 | #else |
|
|
194 | # include "ev.h" |
|
|
195 | #endif |
|
|
196 | |
234 | |
197 | #if __GNUC__ >= 3 |
235 | #if __GNUC__ >= 3 |
198 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
236 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
199 | # define inline_size static inline /* inline for codesize */ |
|
|
200 | # if EV_MINIMAL |
|
|
201 | # define noinline __attribute__ ((noinline)) |
237 | # define noinline __attribute__ ((noinline)) |
202 | # define inline_speed static noinline |
|
|
203 | # else |
|
|
204 | # define noinline |
|
|
205 | # define inline_speed static inline |
|
|
206 | # endif |
|
|
207 | #else |
238 | #else |
208 | # define expect(expr,value) (expr) |
239 | # define expect(expr,value) (expr) |
209 | # define inline_speed static |
|
|
210 | # define inline_size static |
|
|
211 | # define noinline |
240 | # define noinline |
|
|
241 | # if __STDC_VERSION__ < 199901L |
|
|
242 | # define inline |
|
|
243 | # endif |
212 | #endif |
244 | #endif |
213 | |
245 | |
214 | #define expect_false(expr) expect ((expr) != 0, 0) |
246 | #define expect_false(expr) expect ((expr) != 0, 0) |
215 | #define expect_true(expr) expect ((expr) != 0, 1) |
247 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
248 | #define inline_size static inline |
|
|
249 | |
|
|
250 | #if EV_MINIMAL |
|
|
251 | # define inline_speed static noinline |
|
|
252 | #else |
|
|
253 | # define inline_speed static inline |
|
|
254 | #endif |
216 | |
255 | |
217 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
256 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
218 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
257 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
219 | |
258 | |
220 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
259 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
221 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
260 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
222 | |
261 | |
223 | typedef ev_watcher *W; |
262 | typedef ev_watcher *W; |
224 | typedef ev_watcher_list *WL; |
263 | typedef ev_watcher_list *WL; |
225 | typedef ev_watcher_time *WT; |
264 | typedef ev_watcher_time *WT; |
… | |
… | |
253 | perror (msg); |
292 | perror (msg); |
254 | abort (); |
293 | abort (); |
255 | } |
294 | } |
256 | } |
295 | } |
257 | |
296 | |
258 | static void *(*alloc)(void *ptr, size_t size) = realloc; |
297 | static void *(*alloc)(void *ptr, long size); |
259 | |
298 | |
260 | void |
299 | void |
261 | ev_set_allocator (void *(*cb)(void *ptr, size_t size)) |
300 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
262 | { |
301 | { |
263 | alloc = cb; |
302 | alloc = cb; |
264 | } |
303 | } |
265 | |
304 | |
266 | inline_speed void * |
305 | inline_speed void * |
267 | ev_realloc (void *ptr, size_t size) |
306 | ev_realloc (void *ptr, long size) |
268 | { |
307 | { |
269 | ptr = alloc (ptr, size); |
308 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
270 | |
309 | |
271 | if (!ptr && size) |
310 | if (!ptr && size) |
272 | { |
311 | { |
273 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", (long)size); |
312 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
274 | abort (); |
313 | abort (); |
275 | } |
314 | } |
276 | |
315 | |
277 | return ptr; |
316 | return ptr; |
278 | } |
317 | } |
… | |
… | |
295 | typedef struct |
334 | typedef struct |
296 | { |
335 | { |
297 | W w; |
336 | W w; |
298 | int events; |
337 | int events; |
299 | } ANPENDING; |
338 | } ANPENDING; |
|
|
339 | |
|
|
340 | #if EV_USE_INOTIFY |
|
|
341 | typedef struct |
|
|
342 | { |
|
|
343 | WL head; |
|
|
344 | } ANFS; |
|
|
345 | #endif |
300 | |
346 | |
301 | #if EV_MULTIPLICITY |
347 | #if EV_MULTIPLICITY |
302 | |
348 | |
303 | struct ev_loop |
349 | struct ev_loop |
304 | { |
350 | { |
… | |
… | |
361 | { |
407 | { |
362 | return ev_rt_now; |
408 | return ev_rt_now; |
363 | } |
409 | } |
364 | #endif |
410 | #endif |
365 | |
411 | |
366 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
412 | int inline_size |
|
|
413 | array_nextsize (int elem, int cur, int cnt) |
|
|
414 | { |
|
|
415 | int ncur = cur + 1; |
|
|
416 | |
|
|
417 | do |
|
|
418 | ncur <<= 1; |
|
|
419 | while (cnt > ncur); |
|
|
420 | |
|
|
421 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
|
|
422 | if (elem * ncur > 4096) |
|
|
423 | { |
|
|
424 | ncur *= elem; |
|
|
425 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
|
|
426 | ncur = ncur - sizeof (void *) * 4; |
|
|
427 | ncur /= elem; |
|
|
428 | } |
|
|
429 | |
|
|
430 | return ncur; |
|
|
431 | } |
|
|
432 | |
|
|
433 | static noinline void * |
|
|
434 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
|
435 | { |
|
|
436 | *cur = array_nextsize (elem, *cur, cnt); |
|
|
437 | return ev_realloc (base, elem * *cur); |
|
|
438 | } |
367 | |
439 | |
368 | #define array_needsize(type,base,cur,cnt,init) \ |
440 | #define array_needsize(type,base,cur,cnt,init) \ |
369 | if (expect_false ((cnt) > cur)) \ |
441 | if (expect_false ((cnt) > (cur))) \ |
370 | { \ |
442 | { \ |
371 | int newcnt = cur; \ |
443 | int ocur_ = (cur); \ |
372 | do \ |
444 | (base) = (type *)array_realloc \ |
373 | { \ |
445 | (sizeof (type), (base), &(cur), (cnt)); \ |
374 | newcnt = array_roundsize (type, newcnt << 1); \ |
446 | init ((base) + (ocur_), (cur) - ocur_); \ |
375 | } \ |
|
|
376 | while ((cnt) > newcnt); \ |
|
|
377 | \ |
|
|
378 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
|
|
379 | init (base + cur, newcnt - cur); \ |
|
|
380 | cur = newcnt; \ |
|
|
381 | } |
447 | } |
382 | |
448 | |
|
|
449 | #if 0 |
383 | #define array_slim(type,stem) \ |
450 | #define array_slim(type,stem) \ |
384 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
451 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
385 | { \ |
452 | { \ |
386 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
453 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
387 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
454 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
388 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
455 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
389 | } |
456 | } |
|
|
457 | #endif |
390 | |
458 | |
391 | #define array_free(stem, idx) \ |
459 | #define array_free(stem, idx) \ |
392 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
460 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
393 | |
461 | |
394 | /*****************************************************************************/ |
462 | /*****************************************************************************/ |
395 | |
463 | |
396 | void noinline |
464 | void noinline |
397 | ev_feed_event (EV_P_ void *w, int revents) |
465 | ev_feed_event (EV_P_ void *w, int revents) |
398 | { |
466 | { |
399 | W w_ = (W)w; |
467 | W w_ = (W)w; |
|
|
468 | int pri = ABSPRI (w_); |
400 | |
469 | |
401 | if (expect_false (w_->pending)) |
470 | if (expect_false (w_->pending)) |
|
|
471 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
472 | else |
402 | { |
473 | { |
|
|
474 | w_->pending = ++pendingcnt [pri]; |
|
|
475 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
476 | pendings [pri][w_->pending - 1].w = w_; |
403 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
477 | pendings [pri][w_->pending - 1].events = revents; |
404 | return; |
|
|
405 | } |
478 | } |
406 | |
|
|
407 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
408 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
|
409 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
410 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
411 | } |
479 | } |
412 | |
480 | |
413 | void inline_size |
481 | void inline_speed |
414 | queue_events (EV_P_ W *events, int eventcnt, int type) |
482 | queue_events (EV_P_ W *events, int eventcnt, int type) |
415 | { |
483 | { |
416 | int i; |
484 | int i; |
417 | |
485 | |
418 | for (i = 0; i < eventcnt; ++i) |
486 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
450 | } |
518 | } |
451 | |
519 | |
452 | void |
520 | void |
453 | ev_feed_fd_event (EV_P_ int fd, int revents) |
521 | ev_feed_fd_event (EV_P_ int fd, int revents) |
454 | { |
522 | { |
|
|
523 | if (fd >= 0 && fd < anfdmax) |
455 | fd_event (EV_A_ fd, revents); |
524 | fd_event (EV_A_ fd, revents); |
456 | } |
525 | } |
457 | |
526 | |
458 | void inline_size |
527 | void inline_size |
459 | fd_reify (EV_P) |
528 | fd_reify (EV_P) |
460 | { |
529 | { |
… | |
… | |
464 | { |
533 | { |
465 | int fd = fdchanges [i]; |
534 | int fd = fdchanges [i]; |
466 | ANFD *anfd = anfds + fd; |
535 | ANFD *anfd = anfds + fd; |
467 | ev_io *w; |
536 | ev_io *w; |
468 | |
537 | |
469 | int events = 0; |
538 | unsigned char events = 0; |
470 | |
539 | |
471 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
540 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
472 | events |= w->events; |
541 | events |= (unsigned char)w->events; |
473 | |
542 | |
474 | #if EV_SELECT_IS_WINSOCKET |
543 | #if EV_SELECT_IS_WINSOCKET |
475 | if (events) |
544 | if (events) |
476 | { |
545 | { |
477 | unsigned long argp; |
546 | unsigned long argp; |
478 | anfd->handle = _get_osfhandle (fd); |
547 | anfd->handle = _get_osfhandle (fd); |
479 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
548 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
480 | } |
549 | } |
481 | #endif |
550 | #endif |
482 | |
551 | |
|
|
552 | { |
|
|
553 | unsigned char o_events = anfd->events; |
|
|
554 | unsigned char o_reify = anfd->reify; |
|
|
555 | |
483 | anfd->reify = 0; |
556 | anfd->reify = 0; |
484 | |
|
|
485 | backend_modify (EV_A_ fd, anfd->events, events); |
|
|
486 | anfd->events = events; |
557 | anfd->events = events; |
|
|
558 | |
|
|
559 | if (o_events != events || o_reify & EV_IOFDSET) |
|
|
560 | backend_modify (EV_A_ fd, o_events, events); |
|
|
561 | } |
487 | } |
562 | } |
488 | |
563 | |
489 | fdchangecnt = 0; |
564 | fdchangecnt = 0; |
490 | } |
565 | } |
491 | |
566 | |
492 | void inline_size |
567 | void inline_size |
493 | fd_change (EV_P_ int fd) |
568 | fd_change (EV_P_ int fd, int flags) |
494 | { |
569 | { |
495 | if (expect_false (anfds [fd].reify)) |
570 | unsigned char reify = anfds [fd].reify; |
496 | return; |
|
|
497 | |
|
|
498 | anfds [fd].reify = 1; |
571 | anfds [fd].reify |= flags; |
499 | |
572 | |
|
|
573 | if (expect_true (!reify)) |
|
|
574 | { |
500 | ++fdchangecnt; |
575 | ++fdchangecnt; |
501 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
576 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
502 | fdchanges [fdchangecnt - 1] = fd; |
577 | fdchanges [fdchangecnt - 1] = fd; |
|
|
578 | } |
503 | } |
579 | } |
504 | |
580 | |
505 | void inline_speed |
581 | void inline_speed |
506 | fd_kill (EV_P_ int fd) |
582 | fd_kill (EV_P_ int fd) |
507 | { |
583 | { |
… | |
… | |
554 | static void noinline |
630 | static void noinline |
555 | fd_rearm_all (EV_P) |
631 | fd_rearm_all (EV_P) |
556 | { |
632 | { |
557 | int fd; |
633 | int fd; |
558 | |
634 | |
559 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
560 | for (fd = 0; fd < anfdmax; ++fd) |
635 | for (fd = 0; fd < anfdmax; ++fd) |
561 | if (anfds [fd].events) |
636 | if (anfds [fd].events) |
562 | { |
637 | { |
563 | anfds [fd].events = 0; |
638 | anfds [fd].events = 0; |
564 | fd_change (EV_A_ fd); |
639 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
565 | } |
640 | } |
566 | } |
641 | } |
567 | |
642 | |
568 | /*****************************************************************************/ |
643 | /*****************************************************************************/ |
569 | |
644 | |
570 | void inline_speed |
645 | void inline_speed |
571 | upheap (WT *heap, int k) |
646 | upheap (WT *heap, int k) |
572 | { |
647 | { |
573 | WT w = heap [k]; |
648 | WT w = heap [k]; |
574 | |
649 | |
575 | while (k && heap [k >> 1]->at > w->at) |
650 | while (k) |
576 | { |
651 | { |
|
|
652 | int p = (k - 1) >> 1; |
|
|
653 | |
|
|
654 | if (heap [p]->at <= w->at) |
|
|
655 | break; |
|
|
656 | |
577 | heap [k] = heap [k >> 1]; |
657 | heap [k] = heap [p]; |
578 | ((W)heap [k])->active = k + 1; |
658 | ((W)heap [k])->active = k + 1; |
579 | k >>= 1; |
659 | k = p; |
580 | } |
660 | } |
581 | |
661 | |
582 | heap [k] = w; |
662 | heap [k] = w; |
583 | ((W)heap [k])->active = k + 1; |
663 | ((W)heap [k])->active = k + 1; |
584 | |
|
|
585 | } |
664 | } |
586 | |
665 | |
587 | void inline_speed |
666 | void inline_speed |
588 | downheap (WT *heap, int N, int k) |
667 | downheap (WT *heap, int N, int k) |
589 | { |
668 | { |
590 | WT w = heap [k]; |
669 | WT w = heap [k]; |
591 | |
670 | |
592 | while (k < (N >> 1)) |
671 | for (;;) |
593 | { |
672 | { |
594 | int j = k << 1; |
673 | int c = (k << 1) + 1; |
595 | |
674 | |
596 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
675 | if (c >= N) |
597 | ++j; |
|
|
598 | |
|
|
599 | if (w->at <= heap [j]->at) |
|
|
600 | break; |
676 | break; |
601 | |
677 | |
|
|
678 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
679 | ? 1 : 0; |
|
|
680 | |
|
|
681 | if (w->at <= heap [c]->at) |
|
|
682 | break; |
|
|
683 | |
602 | heap [k] = heap [j]; |
684 | heap [k] = heap [c]; |
603 | ((W)heap [k])->active = k + 1; |
685 | ((W)heap [k])->active = k + 1; |
|
|
686 | |
604 | k = j; |
687 | k = c; |
605 | } |
688 | } |
606 | |
689 | |
607 | heap [k] = w; |
690 | heap [k] = w; |
608 | ((W)heap [k])->active = k + 1; |
691 | ((W)heap [k])->active = k + 1; |
609 | } |
692 | } |
… | |
… | |
691 | for (signum = signalmax; signum--; ) |
774 | for (signum = signalmax; signum--; ) |
692 | if (signals [signum].gotsig) |
775 | if (signals [signum].gotsig) |
693 | ev_feed_signal_event (EV_A_ signum + 1); |
776 | ev_feed_signal_event (EV_A_ signum + 1); |
694 | } |
777 | } |
695 | |
778 | |
696 | void inline_size |
779 | void inline_speed |
697 | fd_intern (int fd) |
780 | fd_intern (int fd) |
698 | { |
781 | { |
699 | #ifdef _WIN32 |
782 | #ifdef _WIN32 |
700 | int arg = 1; |
783 | int arg = 1; |
701 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
784 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
716 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
799 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
717 | } |
800 | } |
718 | |
801 | |
719 | /*****************************************************************************/ |
802 | /*****************************************************************************/ |
720 | |
803 | |
721 | static ev_child *childs [EV_PID_HASHSIZE]; |
804 | static WL childs [EV_PID_HASHSIZE]; |
722 | |
805 | |
723 | #ifndef _WIN32 |
806 | #ifndef _WIN32 |
724 | |
807 | |
725 | static ev_signal childev; |
808 | static ev_signal childev; |
726 | |
809 | |
… | |
… | |
730 | ev_child *w; |
813 | ev_child *w; |
731 | |
814 | |
732 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
815 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
733 | if (w->pid == pid || !w->pid) |
816 | if (w->pid == pid || !w->pid) |
734 | { |
817 | { |
735 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
818 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
736 | w->rpid = pid; |
819 | w->rpid = pid; |
737 | w->rstatus = status; |
820 | w->rstatus = status; |
738 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
821 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
739 | } |
822 | } |
740 | } |
823 | } |
741 | |
824 | |
742 | #ifndef WCONTINUED |
825 | #ifndef WCONTINUED |
… | |
… | |
852 | ev_backend (EV_P) |
935 | ev_backend (EV_P) |
853 | { |
936 | { |
854 | return backend; |
937 | return backend; |
855 | } |
938 | } |
856 | |
939 | |
857 | static void |
940 | unsigned int |
|
|
941 | ev_loop_count (EV_P) |
|
|
942 | { |
|
|
943 | return loop_count; |
|
|
944 | } |
|
|
945 | |
|
|
946 | static void noinline |
858 | loop_init (EV_P_ unsigned int flags) |
947 | loop_init (EV_P_ unsigned int flags) |
859 | { |
948 | { |
860 | if (!backend) |
949 | if (!backend) |
861 | { |
950 | { |
862 | #if EV_USE_MONOTONIC |
951 | #if EV_USE_MONOTONIC |
… | |
… | |
870 | ev_rt_now = ev_time (); |
959 | ev_rt_now = ev_time (); |
871 | mn_now = get_clock (); |
960 | mn_now = get_clock (); |
872 | now_floor = mn_now; |
961 | now_floor = mn_now; |
873 | rtmn_diff = ev_rt_now - mn_now; |
962 | rtmn_diff = ev_rt_now - mn_now; |
874 | |
963 | |
|
|
964 | /* pid check not overridable via env */ |
|
|
965 | #ifndef _WIN32 |
|
|
966 | if (flags & EVFLAG_FORKCHECK) |
|
|
967 | curpid = getpid (); |
|
|
968 | #endif |
|
|
969 | |
875 | if (!(flags & EVFLAG_NOENV) |
970 | if (!(flags & EVFLAG_NOENV) |
876 | && !enable_secure () |
971 | && !enable_secure () |
877 | && getenv ("LIBEV_FLAGS")) |
972 | && getenv ("LIBEV_FLAGS")) |
878 | flags = atoi (getenv ("LIBEV_FLAGS")); |
973 | flags = atoi (getenv ("LIBEV_FLAGS")); |
879 | |
974 | |
880 | if (!(flags & 0x0000ffffUL)) |
975 | if (!(flags & 0x0000ffffUL)) |
881 | flags |= ev_recommended_backends (); |
976 | flags |= ev_recommended_backends (); |
882 | |
977 | |
883 | backend = 0; |
978 | backend = 0; |
|
|
979 | backend_fd = -1; |
|
|
980 | #if EV_USE_INOTIFY |
|
|
981 | fs_fd = -2; |
|
|
982 | #endif |
|
|
983 | |
884 | #if EV_USE_PORT |
984 | #if EV_USE_PORT |
885 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
985 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
886 | #endif |
986 | #endif |
887 | #if EV_USE_KQUEUE |
987 | #if EV_USE_KQUEUE |
888 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
988 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
900 | ev_init (&sigev, sigcb); |
1000 | ev_init (&sigev, sigcb); |
901 | ev_set_priority (&sigev, EV_MAXPRI); |
1001 | ev_set_priority (&sigev, EV_MAXPRI); |
902 | } |
1002 | } |
903 | } |
1003 | } |
904 | |
1004 | |
905 | static void |
1005 | static void noinline |
906 | loop_destroy (EV_P) |
1006 | loop_destroy (EV_P) |
907 | { |
1007 | { |
908 | int i; |
1008 | int i; |
|
|
1009 | |
|
|
1010 | #if EV_USE_INOTIFY |
|
|
1011 | if (fs_fd >= 0) |
|
|
1012 | close (fs_fd); |
|
|
1013 | #endif |
|
|
1014 | |
|
|
1015 | if (backend_fd >= 0) |
|
|
1016 | close (backend_fd); |
909 | |
1017 | |
910 | #if EV_USE_PORT |
1018 | #if EV_USE_PORT |
911 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1019 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
912 | #endif |
1020 | #endif |
913 | #if EV_USE_KQUEUE |
1021 | #if EV_USE_KQUEUE |
… | |
… | |
922 | #if EV_USE_SELECT |
1030 | #if EV_USE_SELECT |
923 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1031 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
924 | #endif |
1032 | #endif |
925 | |
1033 | |
926 | for (i = NUMPRI; i--; ) |
1034 | for (i = NUMPRI; i--; ) |
|
|
1035 | { |
927 | array_free (pending, [i]); |
1036 | array_free (pending, [i]); |
|
|
1037 | #if EV_IDLE_ENABLE |
|
|
1038 | array_free (idle, [i]); |
|
|
1039 | #endif |
|
|
1040 | } |
928 | |
1041 | |
929 | /* have to use the microsoft-never-gets-it-right macro */ |
1042 | /* have to use the microsoft-never-gets-it-right macro */ |
930 | array_free (fdchange, EMPTY0); |
1043 | array_free (fdchange, EMPTY); |
931 | array_free (timer, EMPTY0); |
1044 | array_free (timer, EMPTY); |
932 | #if EV_PERIODIC_ENABLE |
1045 | #if EV_PERIODIC_ENABLE |
933 | array_free (periodic, EMPTY0); |
1046 | array_free (periodic, EMPTY); |
934 | #endif |
1047 | #endif |
935 | array_free (idle, EMPTY0); |
|
|
936 | array_free (prepare, EMPTY0); |
1048 | array_free (prepare, EMPTY); |
937 | array_free (check, EMPTY0); |
1049 | array_free (check, EMPTY); |
938 | |
1050 | |
939 | backend = 0; |
1051 | backend = 0; |
940 | } |
1052 | } |
941 | |
1053 | |
942 | static void |
1054 | void inline_size infy_fork (EV_P); |
|
|
1055 | |
|
|
1056 | void inline_size |
943 | loop_fork (EV_P) |
1057 | loop_fork (EV_P) |
944 | { |
1058 | { |
945 | #if EV_USE_PORT |
1059 | #if EV_USE_PORT |
946 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1060 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
947 | #endif |
1061 | #endif |
948 | #if EV_USE_KQUEUE |
1062 | #if EV_USE_KQUEUE |
949 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
1063 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
950 | #endif |
1064 | #endif |
951 | #if EV_USE_EPOLL |
1065 | #if EV_USE_EPOLL |
952 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
1066 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
|
|
1067 | #endif |
|
|
1068 | #if EV_USE_INOTIFY |
|
|
1069 | infy_fork (EV_A); |
953 | #endif |
1070 | #endif |
954 | |
1071 | |
955 | if (ev_is_active (&sigev)) |
1072 | if (ev_is_active (&sigev)) |
956 | { |
1073 | { |
957 | /* default loop */ |
1074 | /* default loop */ |
… | |
… | |
1073 | postfork = 1; |
1190 | postfork = 1; |
1074 | } |
1191 | } |
1075 | |
1192 | |
1076 | /*****************************************************************************/ |
1193 | /*****************************************************************************/ |
1077 | |
1194 | |
1078 | int inline_size |
1195 | void |
1079 | any_pending (EV_P) |
1196 | ev_invoke (EV_P_ void *w, int revents) |
1080 | { |
1197 | { |
1081 | int pri; |
1198 | EV_CB_INVOKE ((W)w, revents); |
1082 | |
|
|
1083 | for (pri = NUMPRI; pri--; ) |
|
|
1084 | if (pendingcnt [pri]) |
|
|
1085 | return 1; |
|
|
1086 | |
|
|
1087 | return 0; |
|
|
1088 | } |
1199 | } |
1089 | |
1200 | |
1090 | void inline_speed |
1201 | void inline_speed |
1091 | call_pending (EV_P) |
1202 | call_pending (EV_P) |
1092 | { |
1203 | { |
… | |
… | |
1097 | { |
1208 | { |
1098 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1209 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1099 | |
1210 | |
1100 | if (expect_true (p->w)) |
1211 | if (expect_true (p->w)) |
1101 | { |
1212 | { |
1102 | assert (("non-pending watcher on pending list", p->w->pending)); |
1213 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1103 | |
1214 | |
1104 | p->w->pending = 0; |
1215 | p->w->pending = 0; |
1105 | EV_CB_INVOKE (p->w, p->events); |
1216 | EV_CB_INVOKE (p->w, p->events); |
1106 | } |
1217 | } |
1107 | } |
1218 | } |
… | |
… | |
1110 | void inline_size |
1221 | void inline_size |
1111 | timers_reify (EV_P) |
1222 | timers_reify (EV_P) |
1112 | { |
1223 | { |
1113 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1224 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1114 | { |
1225 | { |
1115 | ev_timer *w = timers [0]; |
1226 | ev_timer *w = (ev_timer *)timers [0]; |
1116 | |
1227 | |
1117 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1228 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1118 | |
1229 | |
1119 | /* first reschedule or stop timer */ |
1230 | /* first reschedule or stop timer */ |
1120 | if (w->repeat) |
1231 | if (w->repeat) |
1121 | { |
1232 | { |
1122 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1233 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1123 | |
1234 | |
1124 | ((WT)w)->at += w->repeat; |
1235 | ((WT)w)->at += w->repeat; |
1125 | if (((WT)w)->at < mn_now) |
1236 | if (((WT)w)->at < mn_now) |
1126 | ((WT)w)->at = mn_now; |
1237 | ((WT)w)->at = mn_now; |
1127 | |
1238 | |
1128 | downheap ((WT *)timers, timercnt, 0); |
1239 | downheap (timers, timercnt, 0); |
1129 | } |
1240 | } |
1130 | else |
1241 | else |
1131 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1242 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1132 | |
1243 | |
1133 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1244 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1138 | void inline_size |
1249 | void inline_size |
1139 | periodics_reify (EV_P) |
1250 | periodics_reify (EV_P) |
1140 | { |
1251 | { |
1141 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1252 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1142 | { |
1253 | { |
1143 | ev_periodic *w = periodics [0]; |
1254 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1144 | |
1255 | |
1145 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1256 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1146 | |
1257 | |
1147 | /* first reschedule or stop timer */ |
1258 | /* first reschedule or stop timer */ |
1148 | if (w->reschedule_cb) |
1259 | if (w->reschedule_cb) |
1149 | { |
1260 | { |
1150 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1261 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1151 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1262 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1152 | downheap ((WT *)periodics, periodiccnt, 0); |
1263 | downheap (periodics, periodiccnt, 0); |
1153 | } |
1264 | } |
1154 | else if (w->interval) |
1265 | else if (w->interval) |
1155 | { |
1266 | { |
1156 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1267 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1268 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1157 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1269 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1158 | downheap ((WT *)periodics, periodiccnt, 0); |
1270 | downheap (periodics, periodiccnt, 0); |
1159 | } |
1271 | } |
1160 | else |
1272 | else |
1161 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1273 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1162 | |
1274 | |
1163 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1275 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1170 | int i; |
1282 | int i; |
1171 | |
1283 | |
1172 | /* adjust periodics after time jump */ |
1284 | /* adjust periodics after time jump */ |
1173 | for (i = 0; i < periodiccnt; ++i) |
1285 | for (i = 0; i < periodiccnt; ++i) |
1174 | { |
1286 | { |
1175 | ev_periodic *w = periodics [i]; |
1287 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1176 | |
1288 | |
1177 | if (w->reschedule_cb) |
1289 | if (w->reschedule_cb) |
1178 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1290 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1179 | else if (w->interval) |
1291 | else if (w->interval) |
1180 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1292 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1181 | } |
1293 | } |
1182 | |
1294 | |
1183 | /* now rebuild the heap */ |
1295 | /* now rebuild the heap */ |
1184 | for (i = periodiccnt >> 1; i--; ) |
1296 | for (i = periodiccnt >> 1; i--; ) |
1185 | downheap ((WT *)periodics, periodiccnt, i); |
1297 | downheap (periodics, periodiccnt, i); |
1186 | } |
1298 | } |
1187 | #endif |
1299 | #endif |
1188 | |
1300 | |
|
|
1301 | #if EV_IDLE_ENABLE |
1189 | int inline_size |
1302 | void inline_size |
1190 | time_update_monotonic (EV_P) |
1303 | idle_reify (EV_P) |
1191 | { |
1304 | { |
|
|
1305 | if (expect_false (idleall)) |
|
|
1306 | { |
|
|
1307 | int pri; |
|
|
1308 | |
|
|
1309 | for (pri = NUMPRI; pri--; ) |
|
|
1310 | { |
|
|
1311 | if (pendingcnt [pri]) |
|
|
1312 | break; |
|
|
1313 | |
|
|
1314 | if (idlecnt [pri]) |
|
|
1315 | { |
|
|
1316 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1317 | break; |
|
|
1318 | } |
|
|
1319 | } |
|
|
1320 | } |
|
|
1321 | } |
|
|
1322 | #endif |
|
|
1323 | |
|
|
1324 | void inline_speed |
|
|
1325 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1326 | { |
|
|
1327 | int i; |
|
|
1328 | |
|
|
1329 | #if EV_USE_MONOTONIC |
|
|
1330 | if (expect_true (have_monotonic)) |
|
|
1331 | { |
|
|
1332 | ev_tstamp odiff = rtmn_diff; |
|
|
1333 | |
1192 | mn_now = get_clock (); |
1334 | mn_now = get_clock (); |
1193 | |
1335 | |
|
|
1336 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1337 | /* interpolate in the meantime */ |
1194 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1338 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1195 | { |
1339 | { |
1196 | ev_rt_now = rtmn_diff + mn_now; |
1340 | ev_rt_now = rtmn_diff + mn_now; |
1197 | return 0; |
1341 | return; |
1198 | } |
1342 | } |
1199 | else |
1343 | |
1200 | { |
|
|
1201 | now_floor = mn_now; |
1344 | now_floor = mn_now; |
1202 | ev_rt_now = ev_time (); |
1345 | ev_rt_now = ev_time (); |
1203 | return 1; |
|
|
1204 | } |
|
|
1205 | } |
|
|
1206 | |
1346 | |
1207 | void inline_size |
1347 | /* loop a few times, before making important decisions. |
1208 | time_update (EV_P) |
1348 | * on the choice of "4": one iteration isn't enough, |
1209 | { |
1349 | * in case we get preempted during the calls to |
1210 | int i; |
1350 | * ev_time and get_clock. a second call is almost guaranteed |
1211 | |
1351 | * to succeed in that case, though. and looping a few more times |
1212 | #if EV_USE_MONOTONIC |
1352 | * doesn't hurt either as we only do this on time-jumps or |
1213 | if (expect_true (have_monotonic)) |
1353 | * in the unlikely event of having been preempted here. |
1214 | { |
1354 | */ |
1215 | if (time_update_monotonic (EV_A)) |
1355 | for (i = 4; --i; ) |
1216 | { |
1356 | { |
1217 | ev_tstamp odiff = rtmn_diff; |
|
|
1218 | |
|
|
1219 | /* loop a few times, before making important decisions. |
|
|
1220 | * on the choice of "4": one iteration isn't enough, |
|
|
1221 | * in case we get preempted during the calls to |
|
|
1222 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1223 | * to succeed in that case, though. and looping a few more times |
|
|
1224 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1225 | * in the unlikely event of getting preempted here. |
|
|
1226 | */ |
|
|
1227 | for (i = 4; --i; ) |
|
|
1228 | { |
|
|
1229 | rtmn_diff = ev_rt_now - mn_now; |
1357 | rtmn_diff = ev_rt_now - mn_now; |
1230 | |
1358 | |
1231 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1359 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1232 | return; /* all is well */ |
1360 | return; /* all is well */ |
1233 | |
1361 | |
1234 | ev_rt_now = ev_time (); |
1362 | ev_rt_now = ev_time (); |
1235 | mn_now = get_clock (); |
1363 | mn_now = get_clock (); |
1236 | now_floor = mn_now; |
1364 | now_floor = mn_now; |
1237 | } |
1365 | } |
1238 | |
1366 | |
1239 | # if EV_PERIODIC_ENABLE |
1367 | # if EV_PERIODIC_ENABLE |
1240 | periodics_reschedule (EV_A); |
1368 | periodics_reschedule (EV_A); |
1241 | # endif |
1369 | # endif |
1242 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1370 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1243 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1371 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1244 | } |
|
|
1245 | } |
1372 | } |
1246 | else |
1373 | else |
1247 | #endif |
1374 | #endif |
1248 | { |
1375 | { |
1249 | ev_rt_now = ev_time (); |
1376 | ev_rt_now = ev_time (); |
1250 | |
1377 | |
1251 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1378 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1252 | { |
1379 | { |
1253 | #if EV_PERIODIC_ENABLE |
1380 | #if EV_PERIODIC_ENABLE |
1254 | periodics_reschedule (EV_A); |
1381 | periodics_reschedule (EV_A); |
1255 | #endif |
1382 | #endif |
1256 | |
|
|
1257 | /* adjust timers. this is easy, as the offset is the same for all */ |
1383 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1258 | for (i = 0; i < timercnt; ++i) |
1384 | for (i = 0; i < timercnt; ++i) |
1259 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1385 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1260 | } |
1386 | } |
1261 | |
1387 | |
1262 | mn_now = ev_rt_now; |
1388 | mn_now = ev_rt_now; |
… | |
… | |
1282 | { |
1408 | { |
1283 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1409 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1284 | ? EVUNLOOP_ONE |
1410 | ? EVUNLOOP_ONE |
1285 | : EVUNLOOP_CANCEL; |
1411 | : EVUNLOOP_CANCEL; |
1286 | |
1412 | |
1287 | while (activecnt) |
1413 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1414 | |
|
|
1415 | do |
1288 | { |
1416 | { |
1289 | /* we might have forked, so reify kernel state if necessary */ |
1417 | #ifndef _WIN32 |
|
|
1418 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1419 | if (expect_false (getpid () != curpid)) |
|
|
1420 | { |
|
|
1421 | curpid = getpid (); |
|
|
1422 | postfork = 1; |
|
|
1423 | } |
|
|
1424 | #endif |
|
|
1425 | |
1290 | #if EV_FORK_ENABLE |
1426 | #if EV_FORK_ENABLE |
|
|
1427 | /* we might have forked, so queue fork handlers */ |
1291 | if (expect_false (postfork)) |
1428 | if (expect_false (postfork)) |
1292 | if (forkcnt) |
1429 | if (forkcnt) |
1293 | { |
1430 | { |
1294 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1431 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1295 | call_pending (EV_A); |
1432 | call_pending (EV_A); |
1296 | } |
1433 | } |
1297 | #endif |
1434 | #endif |
1298 | |
1435 | |
1299 | /* queue check watchers (and execute them) */ |
1436 | /* queue prepare watchers (and execute them) */ |
1300 | if (expect_false (preparecnt)) |
1437 | if (expect_false (preparecnt)) |
1301 | { |
1438 | { |
1302 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1439 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1303 | call_pending (EV_A); |
1440 | call_pending (EV_A); |
1304 | } |
1441 | } |
1305 | |
1442 | |
|
|
1443 | if (expect_false (!activecnt)) |
|
|
1444 | break; |
|
|
1445 | |
1306 | /* we might have forked, so reify kernel state if necessary */ |
1446 | /* we might have forked, so reify kernel state if necessary */ |
1307 | if (expect_false (postfork)) |
1447 | if (expect_false (postfork)) |
1308 | loop_fork (EV_A); |
1448 | loop_fork (EV_A); |
1309 | |
1449 | |
1310 | /* update fd-related kernel structures */ |
1450 | /* update fd-related kernel structures */ |
1311 | fd_reify (EV_A); |
1451 | fd_reify (EV_A); |
1312 | |
1452 | |
1313 | /* calculate blocking time */ |
1453 | /* calculate blocking time */ |
1314 | { |
1454 | { |
1315 | double block; |
1455 | ev_tstamp block; |
1316 | |
1456 | |
1317 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1457 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1318 | block = 0.; /* do not block at all */ |
1458 | block = 0.; /* do not block at all */ |
1319 | else |
1459 | else |
1320 | { |
1460 | { |
1321 | /* update time to cancel out callback processing overhead */ |
1461 | /* update time to cancel out callback processing overhead */ |
1322 | #if EV_USE_MONOTONIC |
|
|
1323 | if (expect_true (have_monotonic)) |
|
|
1324 | time_update_monotonic (EV_A); |
1462 | time_update (EV_A_ 1e100); |
1325 | else |
|
|
1326 | #endif |
|
|
1327 | { |
|
|
1328 | ev_rt_now = ev_time (); |
|
|
1329 | mn_now = ev_rt_now; |
|
|
1330 | } |
|
|
1331 | |
1463 | |
1332 | block = MAX_BLOCKTIME; |
1464 | block = MAX_BLOCKTIME; |
1333 | |
1465 | |
1334 | if (timercnt) |
1466 | if (timercnt) |
1335 | { |
1467 | { |
… | |
… | |
1346 | #endif |
1478 | #endif |
1347 | |
1479 | |
1348 | if (expect_false (block < 0.)) block = 0.; |
1480 | if (expect_false (block < 0.)) block = 0.; |
1349 | } |
1481 | } |
1350 | |
1482 | |
|
|
1483 | ++loop_count; |
1351 | backend_poll (EV_A_ block); |
1484 | backend_poll (EV_A_ block); |
|
|
1485 | |
|
|
1486 | /* update ev_rt_now, do magic */ |
|
|
1487 | time_update (EV_A_ block); |
1352 | } |
1488 | } |
1353 | |
|
|
1354 | /* update ev_rt_now, do magic */ |
|
|
1355 | time_update (EV_A); |
|
|
1356 | |
1489 | |
1357 | /* queue pending timers and reschedule them */ |
1490 | /* queue pending timers and reschedule them */ |
1358 | timers_reify (EV_A); /* relative timers called last */ |
1491 | timers_reify (EV_A); /* relative timers called last */ |
1359 | #if EV_PERIODIC_ENABLE |
1492 | #if EV_PERIODIC_ENABLE |
1360 | periodics_reify (EV_A); /* absolute timers called first */ |
1493 | periodics_reify (EV_A); /* absolute timers called first */ |
1361 | #endif |
1494 | #endif |
1362 | |
1495 | |
|
|
1496 | #if EV_IDLE_ENABLE |
1363 | /* queue idle watchers unless other events are pending */ |
1497 | /* queue idle watchers unless other events are pending */ |
1364 | if (idlecnt && !any_pending (EV_A)) |
1498 | idle_reify (EV_A); |
1365 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1499 | #endif |
1366 | |
1500 | |
1367 | /* queue check watchers, to be executed first */ |
1501 | /* queue check watchers, to be executed first */ |
1368 | if (expect_false (checkcnt)) |
1502 | if (expect_false (checkcnt)) |
1369 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1503 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1370 | |
1504 | |
1371 | call_pending (EV_A); |
1505 | call_pending (EV_A); |
1372 | |
1506 | |
1373 | if (expect_false (loop_done)) |
|
|
1374 | break; |
|
|
1375 | } |
1507 | } |
|
|
1508 | while (expect_true (activecnt && !loop_done)); |
1376 | |
1509 | |
1377 | if (loop_done == EVUNLOOP_ONE) |
1510 | if (loop_done == EVUNLOOP_ONE) |
1378 | loop_done = EVUNLOOP_CANCEL; |
1511 | loop_done = EVUNLOOP_CANCEL; |
1379 | } |
1512 | } |
1380 | |
1513 | |
… | |
… | |
1407 | head = &(*head)->next; |
1540 | head = &(*head)->next; |
1408 | } |
1541 | } |
1409 | } |
1542 | } |
1410 | |
1543 | |
1411 | void inline_speed |
1544 | void inline_speed |
1412 | ev_clear_pending (EV_P_ W w) |
1545 | clear_pending (EV_P_ W w) |
1413 | { |
1546 | { |
1414 | if (w->pending) |
1547 | if (w->pending) |
1415 | { |
1548 | { |
1416 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1549 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1417 | w->pending = 0; |
1550 | w->pending = 0; |
1418 | } |
1551 | } |
1419 | } |
1552 | } |
1420 | |
1553 | |
|
|
1554 | int |
|
|
1555 | ev_clear_pending (EV_P_ void *w) |
|
|
1556 | { |
|
|
1557 | W w_ = (W)w; |
|
|
1558 | int pending = w_->pending; |
|
|
1559 | |
|
|
1560 | if (expect_true (pending)) |
|
|
1561 | { |
|
|
1562 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1563 | w_->pending = 0; |
|
|
1564 | p->w = 0; |
|
|
1565 | return p->events; |
|
|
1566 | } |
|
|
1567 | else |
|
|
1568 | return 0; |
|
|
1569 | } |
|
|
1570 | |
|
|
1571 | void inline_size |
|
|
1572 | pri_adjust (EV_P_ W w) |
|
|
1573 | { |
|
|
1574 | int pri = w->priority; |
|
|
1575 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1576 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1577 | w->priority = pri; |
|
|
1578 | } |
|
|
1579 | |
1421 | void inline_speed |
1580 | void inline_speed |
1422 | ev_start (EV_P_ W w, int active) |
1581 | ev_start (EV_P_ W w, int active) |
1423 | { |
1582 | { |
1424 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1583 | pri_adjust (EV_A_ w); |
1425 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1426 | |
|
|
1427 | w->active = active; |
1584 | w->active = active; |
1428 | ev_ref (EV_A); |
1585 | ev_ref (EV_A); |
1429 | } |
1586 | } |
1430 | |
1587 | |
1431 | void inline_size |
1588 | void inline_size |
… | |
… | |
1435 | w->active = 0; |
1592 | w->active = 0; |
1436 | } |
1593 | } |
1437 | |
1594 | |
1438 | /*****************************************************************************/ |
1595 | /*****************************************************************************/ |
1439 | |
1596 | |
1440 | void |
1597 | void noinline |
1441 | ev_io_start (EV_P_ ev_io *w) |
1598 | ev_io_start (EV_P_ ev_io *w) |
1442 | { |
1599 | { |
1443 | int fd = w->fd; |
1600 | int fd = w->fd; |
1444 | |
1601 | |
1445 | if (expect_false (ev_is_active (w))) |
1602 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1447 | |
1604 | |
1448 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1605 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1449 | |
1606 | |
1450 | ev_start (EV_A_ (W)w, 1); |
1607 | ev_start (EV_A_ (W)w, 1); |
1451 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1608 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1452 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1609 | wlist_add (&anfds[fd].head, (WL)w); |
1453 | |
1610 | |
1454 | fd_change (EV_A_ fd); |
1611 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1612 | w->events &= ~EV_IOFDSET; |
1455 | } |
1613 | } |
1456 | |
1614 | |
1457 | void |
1615 | void noinline |
1458 | ev_io_stop (EV_P_ ev_io *w) |
1616 | ev_io_stop (EV_P_ ev_io *w) |
1459 | { |
1617 | { |
1460 | ev_clear_pending (EV_A_ (W)w); |
1618 | clear_pending (EV_A_ (W)w); |
1461 | if (expect_false (!ev_is_active (w))) |
1619 | if (expect_false (!ev_is_active (w))) |
1462 | return; |
1620 | return; |
1463 | |
1621 | |
1464 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1622 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1465 | |
1623 | |
1466 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1624 | wlist_del (&anfds[w->fd].head, (WL)w); |
1467 | ev_stop (EV_A_ (W)w); |
1625 | ev_stop (EV_A_ (W)w); |
1468 | |
1626 | |
1469 | fd_change (EV_A_ w->fd); |
1627 | fd_change (EV_A_ w->fd, 1); |
1470 | } |
1628 | } |
1471 | |
1629 | |
1472 | void |
1630 | void noinline |
1473 | ev_timer_start (EV_P_ ev_timer *w) |
1631 | ev_timer_start (EV_P_ ev_timer *w) |
1474 | { |
1632 | { |
1475 | if (expect_false (ev_is_active (w))) |
1633 | if (expect_false (ev_is_active (w))) |
1476 | return; |
1634 | return; |
1477 | |
1635 | |
1478 | ((WT)w)->at += mn_now; |
1636 | ((WT)w)->at += mn_now; |
1479 | |
1637 | |
1480 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1638 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1481 | |
1639 | |
1482 | ev_start (EV_A_ (W)w, ++timercnt); |
1640 | ev_start (EV_A_ (W)w, ++timercnt); |
1483 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1641 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1484 | timers [timercnt - 1] = w; |
1642 | timers [timercnt - 1] = (WT)w; |
1485 | upheap ((WT *)timers, timercnt - 1); |
1643 | upheap (timers, timercnt - 1); |
1486 | |
1644 | |
1487 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1645 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1488 | } |
1646 | } |
1489 | |
1647 | |
1490 | void |
1648 | void noinline |
1491 | ev_timer_stop (EV_P_ ev_timer *w) |
1649 | ev_timer_stop (EV_P_ ev_timer *w) |
1492 | { |
1650 | { |
1493 | ev_clear_pending (EV_A_ (W)w); |
1651 | clear_pending (EV_A_ (W)w); |
1494 | if (expect_false (!ev_is_active (w))) |
1652 | if (expect_false (!ev_is_active (w))) |
1495 | return; |
1653 | return; |
1496 | |
1654 | |
1497 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1655 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1498 | |
1656 | |
|
|
1657 | { |
|
|
1658 | int active = ((W)w)->active; |
|
|
1659 | |
1499 | if (expect_true (((W)w)->active < timercnt--)) |
1660 | if (expect_true (--active < --timercnt)) |
1500 | { |
1661 | { |
1501 | timers [((W)w)->active - 1] = timers [timercnt]; |
1662 | timers [active] = timers [timercnt]; |
1502 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1663 | adjustheap (timers, timercnt, active); |
1503 | } |
1664 | } |
|
|
1665 | } |
1504 | |
1666 | |
1505 | ((WT)w)->at -= mn_now; |
1667 | ((WT)w)->at -= mn_now; |
1506 | |
1668 | |
1507 | ev_stop (EV_A_ (W)w); |
1669 | ev_stop (EV_A_ (W)w); |
1508 | } |
1670 | } |
1509 | |
1671 | |
1510 | void |
1672 | void noinline |
1511 | ev_timer_again (EV_P_ ev_timer *w) |
1673 | ev_timer_again (EV_P_ ev_timer *w) |
1512 | { |
1674 | { |
1513 | if (ev_is_active (w)) |
1675 | if (ev_is_active (w)) |
1514 | { |
1676 | { |
1515 | if (w->repeat) |
1677 | if (w->repeat) |
1516 | { |
1678 | { |
1517 | ((WT)w)->at = mn_now + w->repeat; |
1679 | ((WT)w)->at = mn_now + w->repeat; |
1518 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1680 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1519 | } |
1681 | } |
1520 | else |
1682 | else |
1521 | ev_timer_stop (EV_A_ w); |
1683 | ev_timer_stop (EV_A_ w); |
1522 | } |
1684 | } |
1523 | else if (w->repeat) |
1685 | else if (w->repeat) |
… | |
… | |
1526 | ev_timer_start (EV_A_ w); |
1688 | ev_timer_start (EV_A_ w); |
1527 | } |
1689 | } |
1528 | } |
1690 | } |
1529 | |
1691 | |
1530 | #if EV_PERIODIC_ENABLE |
1692 | #if EV_PERIODIC_ENABLE |
1531 | void |
1693 | void noinline |
1532 | ev_periodic_start (EV_P_ ev_periodic *w) |
1694 | ev_periodic_start (EV_P_ ev_periodic *w) |
1533 | { |
1695 | { |
1534 | if (expect_false (ev_is_active (w))) |
1696 | if (expect_false (ev_is_active (w))) |
1535 | return; |
1697 | return; |
1536 | |
1698 | |
… | |
… | |
1538 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1700 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1539 | else if (w->interval) |
1701 | else if (w->interval) |
1540 | { |
1702 | { |
1541 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1703 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1542 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1704 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1543 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1705 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1544 | } |
1706 | } |
|
|
1707 | else |
|
|
1708 | ((WT)w)->at = w->offset; |
1545 | |
1709 | |
1546 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1710 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1547 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1711 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1548 | periodics [periodiccnt - 1] = w; |
1712 | periodics [periodiccnt - 1] = (WT)w; |
1549 | upheap ((WT *)periodics, periodiccnt - 1); |
1713 | upheap (periodics, periodiccnt - 1); |
1550 | |
1714 | |
1551 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1715 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1552 | } |
1716 | } |
1553 | |
1717 | |
1554 | void |
1718 | void noinline |
1555 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1719 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1556 | { |
1720 | { |
1557 | ev_clear_pending (EV_A_ (W)w); |
1721 | clear_pending (EV_A_ (W)w); |
1558 | if (expect_false (!ev_is_active (w))) |
1722 | if (expect_false (!ev_is_active (w))) |
1559 | return; |
1723 | return; |
1560 | |
1724 | |
1561 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1725 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1562 | |
1726 | |
|
|
1727 | { |
|
|
1728 | int active = ((W)w)->active; |
|
|
1729 | |
1563 | if (expect_true (((W)w)->active < periodiccnt--)) |
1730 | if (expect_true (--active < --periodiccnt)) |
1564 | { |
1731 | { |
1565 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1732 | periodics [active] = periodics [periodiccnt]; |
1566 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1733 | adjustheap (periodics, periodiccnt, active); |
1567 | } |
1734 | } |
|
|
1735 | } |
1568 | |
1736 | |
1569 | ev_stop (EV_A_ (W)w); |
1737 | ev_stop (EV_A_ (W)w); |
1570 | } |
1738 | } |
1571 | |
1739 | |
1572 | void |
1740 | void noinline |
1573 | ev_periodic_again (EV_P_ ev_periodic *w) |
1741 | ev_periodic_again (EV_P_ ev_periodic *w) |
1574 | { |
1742 | { |
1575 | /* TODO: use adjustheap and recalculation */ |
1743 | /* TODO: use adjustheap and recalculation */ |
1576 | ev_periodic_stop (EV_A_ w); |
1744 | ev_periodic_stop (EV_A_ w); |
1577 | ev_periodic_start (EV_A_ w); |
1745 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1580 | |
1748 | |
1581 | #ifndef SA_RESTART |
1749 | #ifndef SA_RESTART |
1582 | # define SA_RESTART 0 |
1750 | # define SA_RESTART 0 |
1583 | #endif |
1751 | #endif |
1584 | |
1752 | |
1585 | void |
1753 | void noinline |
1586 | ev_signal_start (EV_P_ ev_signal *w) |
1754 | ev_signal_start (EV_P_ ev_signal *w) |
1587 | { |
1755 | { |
1588 | #if EV_MULTIPLICITY |
1756 | #if EV_MULTIPLICITY |
1589 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1757 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1590 | #endif |
1758 | #endif |
1591 | if (expect_false (ev_is_active (w))) |
1759 | if (expect_false (ev_is_active (w))) |
1592 | return; |
1760 | return; |
1593 | |
1761 | |
1594 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1762 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1595 | |
1763 | |
|
|
1764 | { |
|
|
1765 | #ifndef _WIN32 |
|
|
1766 | sigset_t full, prev; |
|
|
1767 | sigfillset (&full); |
|
|
1768 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1769 | #endif |
|
|
1770 | |
|
|
1771 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1772 | |
|
|
1773 | #ifndef _WIN32 |
|
|
1774 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1775 | #endif |
|
|
1776 | } |
|
|
1777 | |
1596 | ev_start (EV_A_ (W)w, 1); |
1778 | ev_start (EV_A_ (W)w, 1); |
1597 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1598 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1779 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1599 | |
1780 | |
1600 | if (!((WL)w)->next) |
1781 | if (!((WL)w)->next) |
1601 | { |
1782 | { |
1602 | #if _WIN32 |
1783 | #if _WIN32 |
1603 | signal (w->signum, sighandler); |
1784 | signal (w->signum, sighandler); |
… | |
… | |
1609 | sigaction (w->signum, &sa, 0); |
1790 | sigaction (w->signum, &sa, 0); |
1610 | #endif |
1791 | #endif |
1611 | } |
1792 | } |
1612 | } |
1793 | } |
1613 | |
1794 | |
1614 | void |
1795 | void noinline |
1615 | ev_signal_stop (EV_P_ ev_signal *w) |
1796 | ev_signal_stop (EV_P_ ev_signal *w) |
1616 | { |
1797 | { |
1617 | ev_clear_pending (EV_A_ (W)w); |
1798 | clear_pending (EV_A_ (W)w); |
1618 | if (expect_false (!ev_is_active (w))) |
1799 | if (expect_false (!ev_is_active (w))) |
1619 | return; |
1800 | return; |
1620 | |
1801 | |
1621 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1802 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1622 | ev_stop (EV_A_ (W)w); |
1803 | ev_stop (EV_A_ (W)w); |
1623 | |
1804 | |
1624 | if (!signals [w->signum - 1].head) |
1805 | if (!signals [w->signum - 1].head) |
1625 | signal (w->signum, SIG_DFL); |
1806 | signal (w->signum, SIG_DFL); |
1626 | } |
1807 | } |
… | |
… | |
1633 | #endif |
1814 | #endif |
1634 | if (expect_false (ev_is_active (w))) |
1815 | if (expect_false (ev_is_active (w))) |
1635 | return; |
1816 | return; |
1636 | |
1817 | |
1637 | ev_start (EV_A_ (W)w, 1); |
1818 | ev_start (EV_A_ (W)w, 1); |
1638 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1819 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1639 | } |
1820 | } |
1640 | |
1821 | |
1641 | void |
1822 | void |
1642 | ev_child_stop (EV_P_ ev_child *w) |
1823 | ev_child_stop (EV_P_ ev_child *w) |
1643 | { |
1824 | { |
1644 | ev_clear_pending (EV_A_ (W)w); |
1825 | clear_pending (EV_A_ (W)w); |
1645 | if (expect_false (!ev_is_active (w))) |
1826 | if (expect_false (!ev_is_active (w))) |
1646 | return; |
1827 | return; |
1647 | |
1828 | |
1648 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1829 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1649 | ev_stop (EV_A_ (W)w); |
1830 | ev_stop (EV_A_ (W)w); |
1650 | } |
1831 | } |
1651 | |
1832 | |
1652 | #if EV_STAT_ENABLE |
1833 | #if EV_STAT_ENABLE |
1653 | |
1834 | |
… | |
… | |
1657 | # endif |
1838 | # endif |
1658 | |
1839 | |
1659 | #define DEF_STAT_INTERVAL 5.0074891 |
1840 | #define DEF_STAT_INTERVAL 5.0074891 |
1660 | #define MIN_STAT_INTERVAL 0.1074891 |
1841 | #define MIN_STAT_INTERVAL 0.1074891 |
1661 | |
1842 | |
|
|
1843 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1844 | |
|
|
1845 | #if EV_USE_INOTIFY |
|
|
1846 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1847 | |
|
|
1848 | static void noinline |
|
|
1849 | infy_add (EV_P_ ev_stat *w) |
|
|
1850 | { |
|
|
1851 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
|
|
1852 | |
|
|
1853 | if (w->wd < 0) |
|
|
1854 | { |
|
|
1855 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1856 | |
|
|
1857 | /* monitor some parent directory for speedup hints */ |
|
|
1858 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1859 | { |
|
|
1860 | char path [4096]; |
|
|
1861 | strcpy (path, w->path); |
|
|
1862 | |
|
|
1863 | do |
|
|
1864 | { |
|
|
1865 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1866 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1867 | |
|
|
1868 | char *pend = strrchr (path, '/'); |
|
|
1869 | |
|
|
1870 | if (!pend) |
|
|
1871 | break; /* whoops, no '/', complain to your admin */ |
|
|
1872 | |
|
|
1873 | *pend = 0; |
|
|
1874 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1875 | } |
|
|
1876 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1877 | } |
|
|
1878 | } |
|
|
1879 | else |
|
|
1880 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1881 | |
|
|
1882 | if (w->wd >= 0) |
|
|
1883 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1884 | } |
|
|
1885 | |
|
|
1886 | static void noinline |
|
|
1887 | infy_del (EV_P_ ev_stat *w) |
|
|
1888 | { |
|
|
1889 | int slot; |
|
|
1890 | int wd = w->wd; |
|
|
1891 | |
|
|
1892 | if (wd < 0) |
|
|
1893 | return; |
|
|
1894 | |
|
|
1895 | w->wd = -2; |
|
|
1896 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1897 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1898 | |
|
|
1899 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1900 | inotify_rm_watch (fs_fd, wd); |
|
|
1901 | } |
|
|
1902 | |
|
|
1903 | static void noinline |
|
|
1904 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1905 | { |
|
|
1906 | if (slot < 0) |
|
|
1907 | /* overflow, need to check for all hahs slots */ |
|
|
1908 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1909 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1910 | else |
|
|
1911 | { |
|
|
1912 | WL w_; |
|
|
1913 | |
|
|
1914 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1915 | { |
|
|
1916 | ev_stat *w = (ev_stat *)w_; |
|
|
1917 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1918 | |
|
|
1919 | if (w->wd == wd || wd == -1) |
|
|
1920 | { |
|
|
1921 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1922 | { |
|
|
1923 | w->wd = -1; |
|
|
1924 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1925 | } |
|
|
1926 | |
|
|
1927 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
1928 | } |
|
|
1929 | } |
|
|
1930 | } |
|
|
1931 | } |
|
|
1932 | |
|
|
1933 | static void |
|
|
1934 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1935 | { |
|
|
1936 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1937 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1938 | int ofs; |
|
|
1939 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1940 | |
|
|
1941 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1942 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1943 | } |
|
|
1944 | |
|
|
1945 | void inline_size |
|
|
1946 | infy_init (EV_P) |
|
|
1947 | { |
|
|
1948 | if (fs_fd != -2) |
|
|
1949 | return; |
|
|
1950 | |
|
|
1951 | fs_fd = inotify_init (); |
|
|
1952 | |
|
|
1953 | if (fs_fd >= 0) |
|
|
1954 | { |
|
|
1955 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1956 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1957 | ev_io_start (EV_A_ &fs_w); |
|
|
1958 | } |
|
|
1959 | } |
|
|
1960 | |
|
|
1961 | void inline_size |
|
|
1962 | infy_fork (EV_P) |
|
|
1963 | { |
|
|
1964 | int slot; |
|
|
1965 | |
|
|
1966 | if (fs_fd < 0) |
|
|
1967 | return; |
|
|
1968 | |
|
|
1969 | close (fs_fd); |
|
|
1970 | fs_fd = inotify_init (); |
|
|
1971 | |
|
|
1972 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1973 | { |
|
|
1974 | WL w_ = fs_hash [slot].head; |
|
|
1975 | fs_hash [slot].head = 0; |
|
|
1976 | |
|
|
1977 | while (w_) |
|
|
1978 | { |
|
|
1979 | ev_stat *w = (ev_stat *)w_; |
|
|
1980 | w_ = w_->next; /* lets us add this watcher */ |
|
|
1981 | |
|
|
1982 | w->wd = -1; |
|
|
1983 | |
|
|
1984 | if (fs_fd >= 0) |
|
|
1985 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1986 | else |
|
|
1987 | ev_timer_start (EV_A_ &w->timer); |
|
|
1988 | } |
|
|
1989 | |
|
|
1990 | } |
|
|
1991 | } |
|
|
1992 | |
|
|
1993 | #endif |
|
|
1994 | |
1662 | void |
1995 | void |
1663 | ev_stat_stat (EV_P_ ev_stat *w) |
1996 | ev_stat_stat (EV_P_ ev_stat *w) |
1664 | { |
1997 | { |
1665 | if (lstat (w->path, &w->attr) < 0) |
1998 | if (lstat (w->path, &w->attr) < 0) |
1666 | w->attr.st_nlink = 0; |
1999 | w->attr.st_nlink = 0; |
1667 | else if (!w->attr.st_nlink) |
2000 | else if (!w->attr.st_nlink) |
1668 | w->attr.st_nlink = 1; |
2001 | w->attr.st_nlink = 1; |
1669 | } |
2002 | } |
1670 | |
2003 | |
1671 | static void |
2004 | static void noinline |
1672 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2005 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
1673 | { |
2006 | { |
1674 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2007 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
1675 | |
2008 | |
1676 | /* we copy this here each the time so that */ |
2009 | /* we copy this here each the time so that */ |
1677 | /* prev has the old value when the callback gets invoked */ |
2010 | /* prev has the old value when the callback gets invoked */ |
1678 | w->prev = w->attr; |
2011 | w->prev = w->attr; |
1679 | ev_stat_stat (EV_A_ w); |
2012 | ev_stat_stat (EV_A_ w); |
1680 | |
2013 | |
1681 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
2014 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
2015 | if ( |
|
|
2016 | w->prev.st_dev != w->attr.st_dev |
|
|
2017 | || w->prev.st_ino != w->attr.st_ino |
|
|
2018 | || w->prev.st_mode != w->attr.st_mode |
|
|
2019 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
2020 | || w->prev.st_uid != w->attr.st_uid |
|
|
2021 | || w->prev.st_gid != w->attr.st_gid |
|
|
2022 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
2023 | || w->prev.st_size != w->attr.st_size |
|
|
2024 | || w->prev.st_atime != w->attr.st_atime |
|
|
2025 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
2026 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
2027 | ) { |
|
|
2028 | #if EV_USE_INOTIFY |
|
|
2029 | infy_del (EV_A_ w); |
|
|
2030 | infy_add (EV_A_ w); |
|
|
2031 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2032 | #endif |
|
|
2033 | |
1682 | ev_feed_event (EV_A_ w, EV_STAT); |
2034 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
2035 | } |
1683 | } |
2036 | } |
1684 | |
2037 | |
1685 | void |
2038 | void |
1686 | ev_stat_start (EV_P_ ev_stat *w) |
2039 | ev_stat_start (EV_P_ ev_stat *w) |
1687 | { |
2040 | { |
… | |
… | |
1697 | if (w->interval < MIN_STAT_INTERVAL) |
2050 | if (w->interval < MIN_STAT_INTERVAL) |
1698 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
2051 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
1699 | |
2052 | |
1700 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2053 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
1701 | ev_set_priority (&w->timer, ev_priority (w)); |
2054 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
2055 | |
|
|
2056 | #if EV_USE_INOTIFY |
|
|
2057 | infy_init (EV_A); |
|
|
2058 | |
|
|
2059 | if (fs_fd >= 0) |
|
|
2060 | infy_add (EV_A_ w); |
|
|
2061 | else |
|
|
2062 | #endif |
1702 | ev_timer_start (EV_A_ &w->timer); |
2063 | ev_timer_start (EV_A_ &w->timer); |
1703 | |
2064 | |
1704 | ev_start (EV_A_ (W)w, 1); |
2065 | ev_start (EV_A_ (W)w, 1); |
1705 | } |
2066 | } |
1706 | |
2067 | |
1707 | void |
2068 | void |
1708 | ev_stat_stop (EV_P_ ev_stat *w) |
2069 | ev_stat_stop (EV_P_ ev_stat *w) |
1709 | { |
2070 | { |
1710 | ev_clear_pending (EV_A_ (W)w); |
2071 | clear_pending (EV_A_ (W)w); |
1711 | if (expect_false (!ev_is_active (w))) |
2072 | if (expect_false (!ev_is_active (w))) |
1712 | return; |
2073 | return; |
1713 | |
2074 | |
|
|
2075 | #if EV_USE_INOTIFY |
|
|
2076 | infy_del (EV_A_ w); |
|
|
2077 | #endif |
1714 | ev_timer_stop (EV_A_ &w->timer); |
2078 | ev_timer_stop (EV_A_ &w->timer); |
1715 | |
2079 | |
1716 | ev_stop (EV_A_ (W)w); |
2080 | ev_stop (EV_A_ (W)w); |
1717 | } |
2081 | } |
1718 | #endif |
2082 | #endif |
1719 | |
2083 | |
|
|
2084 | #if EV_IDLE_ENABLE |
1720 | void |
2085 | void |
1721 | ev_idle_start (EV_P_ ev_idle *w) |
2086 | ev_idle_start (EV_P_ ev_idle *w) |
1722 | { |
2087 | { |
1723 | if (expect_false (ev_is_active (w))) |
2088 | if (expect_false (ev_is_active (w))) |
1724 | return; |
2089 | return; |
1725 | |
2090 | |
|
|
2091 | pri_adjust (EV_A_ (W)w); |
|
|
2092 | |
|
|
2093 | { |
|
|
2094 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2095 | |
|
|
2096 | ++idleall; |
1726 | ev_start (EV_A_ (W)w, ++idlecnt); |
2097 | ev_start (EV_A_ (W)w, active); |
|
|
2098 | |
1727 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
2099 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
1728 | idles [idlecnt - 1] = w; |
2100 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2101 | } |
1729 | } |
2102 | } |
1730 | |
2103 | |
1731 | void |
2104 | void |
1732 | ev_idle_stop (EV_P_ ev_idle *w) |
2105 | ev_idle_stop (EV_P_ ev_idle *w) |
1733 | { |
2106 | { |
1734 | ev_clear_pending (EV_A_ (W)w); |
2107 | clear_pending (EV_A_ (W)w); |
1735 | if (expect_false (!ev_is_active (w))) |
2108 | if (expect_false (!ev_is_active (w))) |
1736 | return; |
2109 | return; |
1737 | |
2110 | |
1738 | { |
2111 | { |
1739 | int active = ((W)w)->active; |
2112 | int active = ((W)w)->active; |
1740 | idles [active - 1] = idles [--idlecnt]; |
2113 | |
|
|
2114 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
1741 | ((W)idles [active - 1])->active = active; |
2115 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2116 | |
|
|
2117 | ev_stop (EV_A_ (W)w); |
|
|
2118 | --idleall; |
1742 | } |
2119 | } |
1743 | |
|
|
1744 | ev_stop (EV_A_ (W)w); |
|
|
1745 | } |
2120 | } |
|
|
2121 | #endif |
1746 | |
2122 | |
1747 | void |
2123 | void |
1748 | ev_prepare_start (EV_P_ ev_prepare *w) |
2124 | ev_prepare_start (EV_P_ ev_prepare *w) |
1749 | { |
2125 | { |
1750 | if (expect_false (ev_is_active (w))) |
2126 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1756 | } |
2132 | } |
1757 | |
2133 | |
1758 | void |
2134 | void |
1759 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2135 | ev_prepare_stop (EV_P_ ev_prepare *w) |
1760 | { |
2136 | { |
1761 | ev_clear_pending (EV_A_ (W)w); |
2137 | clear_pending (EV_A_ (W)w); |
1762 | if (expect_false (!ev_is_active (w))) |
2138 | if (expect_false (!ev_is_active (w))) |
1763 | return; |
2139 | return; |
1764 | |
2140 | |
1765 | { |
2141 | { |
1766 | int active = ((W)w)->active; |
2142 | int active = ((W)w)->active; |
… | |
… | |
1783 | } |
2159 | } |
1784 | |
2160 | |
1785 | void |
2161 | void |
1786 | ev_check_stop (EV_P_ ev_check *w) |
2162 | ev_check_stop (EV_P_ ev_check *w) |
1787 | { |
2163 | { |
1788 | ev_clear_pending (EV_A_ (W)w); |
2164 | clear_pending (EV_A_ (W)w); |
1789 | if (expect_false (!ev_is_active (w))) |
2165 | if (expect_false (!ev_is_active (w))) |
1790 | return; |
2166 | return; |
1791 | |
2167 | |
1792 | { |
2168 | { |
1793 | int active = ((W)w)->active; |
2169 | int active = ((W)w)->active; |
… | |
… | |
1835 | } |
2211 | } |
1836 | |
2212 | |
1837 | void |
2213 | void |
1838 | ev_embed_stop (EV_P_ ev_embed *w) |
2214 | ev_embed_stop (EV_P_ ev_embed *w) |
1839 | { |
2215 | { |
1840 | ev_clear_pending (EV_A_ (W)w); |
2216 | clear_pending (EV_A_ (W)w); |
1841 | if (expect_false (!ev_is_active (w))) |
2217 | if (expect_false (!ev_is_active (w))) |
1842 | return; |
2218 | return; |
1843 | |
2219 | |
1844 | ev_io_stop (EV_A_ &w->io); |
2220 | ev_io_stop (EV_A_ &w->io); |
1845 | |
2221 | |
… | |
… | |
1860 | } |
2236 | } |
1861 | |
2237 | |
1862 | void |
2238 | void |
1863 | ev_fork_stop (EV_P_ ev_fork *w) |
2239 | ev_fork_stop (EV_P_ ev_fork *w) |
1864 | { |
2240 | { |
1865 | ev_clear_pending (EV_A_ (W)w); |
2241 | clear_pending (EV_A_ (W)w); |
1866 | if (expect_false (!ev_is_active (w))) |
2242 | if (expect_false (!ev_is_active (w))) |
1867 | return; |
2243 | return; |
1868 | |
2244 | |
1869 | { |
2245 | { |
1870 | int active = ((W)w)->active; |
2246 | int active = ((W)w)->active; |