… | |
… | |
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> |
… | |
… | |
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> |
114 | |
122 | |
|
|
123 | #ifdef EV_H |
|
|
124 | # include EV_H |
|
|
125 | #else |
|
|
126 | # include "ev.h" |
|
|
127 | #endif |
|
|
128 | |
115 | #ifndef _WIN32 |
129 | #ifndef _WIN32 |
116 | # include <unistd.h> |
|
|
117 | # include <sys/time.h> |
130 | # include <sys/time.h> |
118 | # include <sys/wait.h> |
131 | # include <sys/wait.h> |
|
|
132 | # include <unistd.h> |
119 | #else |
133 | #else |
120 | # define WIN32_LEAN_AND_MEAN |
134 | # define WIN32_LEAN_AND_MEAN |
121 | # include <windows.h> |
135 | # include <windows.h> |
122 | # ifndef EV_SELECT_IS_WINSOCKET |
136 | # ifndef EV_SELECT_IS_WINSOCKET |
123 | # define EV_SELECT_IS_WINSOCKET 1 |
137 | # define EV_SELECT_IS_WINSOCKET 1 |
… | |
… | |
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 | |
|
|
179 | #ifndef EV_PID_HASHSIZE |
|
|
180 | # if EV_MINIMAL |
|
|
181 | # define EV_PID_HASHSIZE 1 |
|
|
182 | # else |
|
|
183 | # define EV_PID_HASHSIZE 16 |
|
|
184 | # endif |
|
|
185 | #endif |
|
|
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 | |
161 | /**/ |
195 | /**/ |
162 | |
196 | |
163 | #ifndef CLOCK_MONOTONIC |
197 | #ifndef CLOCK_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
165 | # define EV_USE_MONOTONIC 0 |
199 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
172 | |
206 | |
173 | #if EV_SELECT_IS_WINSOCKET |
207 | #if EV_SELECT_IS_WINSOCKET |
174 | # include <winsock.h> |
208 | # include <winsock.h> |
175 | #endif |
209 | #endif |
176 | |
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 | |
177 | /**/ |
219 | /**/ |
178 | |
220 | |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
180 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
181 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
|
|
182 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
183 | |
|
|
184 | #ifdef EV_H |
|
|
185 | # include EV_H |
|
|
186 | #else |
|
|
187 | # include "ev.h" |
|
|
188 | #endif |
|
|
189 | |
224 | |
190 | #if __GNUC__ >= 3 |
225 | #if __GNUC__ >= 3 |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
226 | # 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)) |
|
|
230 | # define inline_speed static noinline |
|
|
231 | # else |
|
|
232 | # define noinline |
192 | # define inline static inline |
233 | # define inline_speed static inline |
|
|
234 | # endif |
193 | #else |
235 | #else |
194 | # define expect(expr,value) (expr) |
236 | # define expect(expr,value) (expr) |
|
|
237 | # define inline_speed static |
195 | # define inline static |
238 | # define inline_size static |
|
|
239 | # define noinline |
196 | #endif |
240 | #endif |
197 | |
241 | |
198 | #define expect_false(expr) expect ((expr) != 0, 0) |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
199 | #define expect_true(expr) expect ((expr) != 0, 1) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
200 | |
244 | |
… | |
… | |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
246 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
203 | |
247 | |
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
248 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
205 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
249 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
206 | |
250 | |
207 | typedef struct ev_watcher *W; |
251 | typedef ev_watcher *W; |
208 | typedef struct ev_watcher_list *WL; |
252 | typedef ev_watcher_list *WL; |
209 | typedef struct ev_watcher_time *WT; |
253 | typedef ev_watcher_time *WT; |
210 | |
254 | |
211 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
255 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
212 | |
256 | |
213 | #ifdef _WIN32 |
257 | #ifdef _WIN32 |
214 | # include "ev_win32.c" |
258 | # include "ev_win32.c" |
… | |
… | |
216 | |
260 | |
217 | /*****************************************************************************/ |
261 | /*****************************************************************************/ |
218 | |
262 | |
219 | static void (*syserr_cb)(const char *msg); |
263 | static void (*syserr_cb)(const char *msg); |
220 | |
264 | |
|
|
265 | void |
221 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
266 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
222 | { |
267 | { |
223 | syserr_cb = cb; |
268 | syserr_cb = cb; |
224 | } |
269 | } |
225 | |
270 | |
226 | static void |
271 | static void noinline |
227 | syserr (const char *msg) |
272 | syserr (const char *msg) |
228 | { |
273 | { |
229 | if (!msg) |
274 | if (!msg) |
230 | msg = "(libev) system error"; |
275 | msg = "(libev) system error"; |
231 | |
276 | |
… | |
… | |
236 | perror (msg); |
281 | perror (msg); |
237 | abort (); |
282 | abort (); |
238 | } |
283 | } |
239 | } |
284 | } |
240 | |
285 | |
241 | static void *(*alloc)(void *ptr, long size); |
286 | static void *(*alloc)(void *ptr, size_t size) = realloc; |
242 | |
287 | |
|
|
288 | void |
243 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
289 | ev_set_allocator (void *(*cb)(void *ptr, size_t size)) |
244 | { |
290 | { |
245 | alloc = cb; |
291 | alloc = cb; |
246 | } |
292 | } |
247 | |
293 | |
248 | static void * |
294 | inline_speed void * |
249 | ev_realloc (void *ptr, long size) |
295 | ev_realloc (void *ptr, size_t size) |
250 | { |
296 | { |
251 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
297 | ptr = alloc (ptr, size); |
252 | |
298 | |
253 | if (!ptr && size) |
299 | if (!ptr && size) |
254 | { |
300 | { |
255 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
301 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", (long)size); |
256 | abort (); |
302 | abort (); |
257 | } |
303 | } |
258 | |
304 | |
259 | return ptr; |
305 | return ptr; |
260 | } |
306 | } |
… | |
… | |
277 | typedef struct |
323 | typedef struct |
278 | { |
324 | { |
279 | W w; |
325 | W w; |
280 | int events; |
326 | int events; |
281 | } ANPENDING; |
327 | } ANPENDING; |
|
|
328 | |
|
|
329 | typedef struct |
|
|
330 | { |
|
|
331 | #if EV_USE_INOTIFY |
|
|
332 | WL head; |
|
|
333 | #endif |
|
|
334 | } ANFS; |
282 | |
335 | |
283 | #if EV_MULTIPLICITY |
336 | #if EV_MULTIPLICITY |
284 | |
337 | |
285 | struct ev_loop |
338 | struct ev_loop |
286 | { |
339 | { |
… | |
… | |
320 | gettimeofday (&tv, 0); |
373 | gettimeofday (&tv, 0); |
321 | return tv.tv_sec + tv.tv_usec * 1e-6; |
374 | return tv.tv_sec + tv.tv_usec * 1e-6; |
322 | #endif |
375 | #endif |
323 | } |
376 | } |
324 | |
377 | |
325 | inline ev_tstamp |
378 | ev_tstamp inline_size |
326 | get_clock (void) |
379 | get_clock (void) |
327 | { |
380 | { |
328 | #if EV_USE_MONOTONIC |
381 | #if EV_USE_MONOTONIC |
329 | if (expect_true (have_monotonic)) |
382 | if (expect_true (have_monotonic)) |
330 | { |
383 | { |
… | |
… | |
373 | #define array_free(stem, idx) \ |
426 | #define array_free(stem, idx) \ |
374 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
427 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
375 | |
428 | |
376 | /*****************************************************************************/ |
429 | /*****************************************************************************/ |
377 | |
430 | |
378 | static void |
431 | void noinline |
379 | anfds_init (ANFD *base, int count) |
|
|
380 | { |
|
|
381 | while (count--) |
|
|
382 | { |
|
|
383 | base->head = 0; |
|
|
384 | base->events = EV_NONE; |
|
|
385 | base->reify = 0; |
|
|
386 | |
|
|
387 | ++base; |
|
|
388 | } |
|
|
389 | } |
|
|
390 | |
|
|
391 | void |
|
|
392 | ev_feed_event (EV_P_ void *w, int revents) |
432 | ev_feed_event (EV_P_ void *w, int revents) |
393 | { |
433 | { |
394 | W w_ = (W)w; |
434 | W w_ = (W)w; |
395 | |
435 | |
396 | if (expect_false (w_->pending)) |
436 | if (expect_false (w_->pending)) |
397 | { |
437 | { |
398 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
438 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
399 | return; |
439 | return; |
400 | } |
440 | } |
401 | |
|
|
402 | if (expect_false (!w_->cb)) |
|
|
403 | return; |
|
|
404 | |
441 | |
405 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
442 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
406 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
443 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
407 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
444 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
408 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
445 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
409 | } |
446 | } |
410 | |
447 | |
411 | static void |
448 | void inline_size |
412 | queue_events (EV_P_ W *events, int eventcnt, int type) |
449 | queue_events (EV_P_ W *events, int eventcnt, int type) |
413 | { |
450 | { |
414 | int i; |
451 | int i; |
415 | |
452 | |
416 | for (i = 0; i < eventcnt; ++i) |
453 | for (i = 0; i < eventcnt; ++i) |
417 | ev_feed_event (EV_A_ events [i], type); |
454 | ev_feed_event (EV_A_ events [i], type); |
418 | } |
455 | } |
419 | |
456 | |
420 | inline void |
457 | /*****************************************************************************/ |
|
|
458 | |
|
|
459 | void inline_size |
|
|
460 | anfds_init (ANFD *base, int count) |
|
|
461 | { |
|
|
462 | while (count--) |
|
|
463 | { |
|
|
464 | base->head = 0; |
|
|
465 | base->events = EV_NONE; |
|
|
466 | base->reify = 0; |
|
|
467 | |
|
|
468 | ++base; |
|
|
469 | } |
|
|
470 | } |
|
|
471 | |
|
|
472 | void inline_speed |
421 | fd_event (EV_P_ int fd, int revents) |
473 | fd_event (EV_P_ int fd, int revents) |
422 | { |
474 | { |
423 | ANFD *anfd = anfds + fd; |
475 | ANFD *anfd = anfds + fd; |
424 | struct ev_io *w; |
476 | ev_io *w; |
425 | |
477 | |
426 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
478 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
427 | { |
479 | { |
428 | int ev = w->events & revents; |
480 | int ev = w->events & revents; |
429 | |
481 | |
430 | if (ev) |
482 | if (ev) |
431 | ev_feed_event (EV_A_ (W)w, ev); |
483 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
436 | ev_feed_fd_event (EV_P_ int fd, int revents) |
488 | ev_feed_fd_event (EV_P_ int fd, int revents) |
437 | { |
489 | { |
438 | fd_event (EV_A_ fd, revents); |
490 | fd_event (EV_A_ fd, revents); |
439 | } |
491 | } |
440 | |
492 | |
441 | /*****************************************************************************/ |
493 | void inline_size |
442 | |
|
|
443 | inline void |
|
|
444 | fd_reify (EV_P) |
494 | fd_reify (EV_P) |
445 | { |
495 | { |
446 | int i; |
496 | int i; |
447 | |
497 | |
448 | for (i = 0; i < fdchangecnt; ++i) |
498 | for (i = 0; i < fdchangecnt; ++i) |
449 | { |
499 | { |
450 | int fd = fdchanges [i]; |
500 | int fd = fdchanges [i]; |
451 | ANFD *anfd = anfds + fd; |
501 | ANFD *anfd = anfds + fd; |
452 | struct ev_io *w; |
502 | ev_io *w; |
453 | |
503 | |
454 | int events = 0; |
504 | int events = 0; |
455 | |
505 | |
456 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
506 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
457 | events |= w->events; |
507 | events |= w->events; |
458 | |
508 | |
459 | #if EV_SELECT_IS_WINSOCKET |
509 | #if EV_SELECT_IS_WINSOCKET |
460 | if (events) |
510 | if (events) |
461 | { |
511 | { |
… | |
… | |
472 | } |
522 | } |
473 | |
523 | |
474 | fdchangecnt = 0; |
524 | fdchangecnt = 0; |
475 | } |
525 | } |
476 | |
526 | |
477 | static void |
527 | void inline_size |
478 | fd_change (EV_P_ int fd) |
528 | fd_change (EV_P_ int fd) |
479 | { |
529 | { |
480 | if (expect_false (anfds [fd].reify)) |
530 | if (expect_false (anfds [fd].reify)) |
481 | return; |
531 | return; |
482 | |
532 | |
… | |
… | |
485 | ++fdchangecnt; |
535 | ++fdchangecnt; |
486 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
536 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
487 | fdchanges [fdchangecnt - 1] = fd; |
537 | fdchanges [fdchangecnt - 1] = fd; |
488 | } |
538 | } |
489 | |
539 | |
490 | static void |
540 | void inline_speed |
491 | fd_kill (EV_P_ int fd) |
541 | fd_kill (EV_P_ int fd) |
492 | { |
542 | { |
493 | struct ev_io *w; |
543 | ev_io *w; |
494 | |
544 | |
495 | while ((w = (struct ev_io *)anfds [fd].head)) |
545 | while ((w = (ev_io *)anfds [fd].head)) |
496 | { |
546 | { |
497 | ev_io_stop (EV_A_ w); |
547 | ev_io_stop (EV_A_ w); |
498 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
548 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
499 | } |
549 | } |
500 | } |
550 | } |
501 | |
551 | |
502 | inline int |
552 | int inline_size |
503 | fd_valid (int fd) |
553 | fd_valid (int fd) |
504 | { |
554 | { |
505 | #ifdef _WIN32 |
555 | #ifdef _WIN32 |
506 | return _get_osfhandle (fd) != -1; |
556 | return _get_osfhandle (fd) != -1; |
507 | #else |
557 | #else |
508 | return fcntl (fd, F_GETFD) != -1; |
558 | return fcntl (fd, F_GETFD) != -1; |
509 | #endif |
559 | #endif |
510 | } |
560 | } |
511 | |
561 | |
512 | /* called on EBADF to verify fds */ |
562 | /* called on EBADF to verify fds */ |
513 | static void |
563 | static void noinline |
514 | fd_ebadf (EV_P) |
564 | fd_ebadf (EV_P) |
515 | { |
565 | { |
516 | int fd; |
566 | int fd; |
517 | |
567 | |
518 | for (fd = 0; fd < anfdmax; ++fd) |
568 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
520 | if (!fd_valid (fd) == -1 && errno == EBADF) |
570 | if (!fd_valid (fd) == -1 && errno == EBADF) |
521 | fd_kill (EV_A_ fd); |
571 | fd_kill (EV_A_ fd); |
522 | } |
572 | } |
523 | |
573 | |
524 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
574 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
525 | static void |
575 | static void noinline |
526 | fd_enomem (EV_P) |
576 | fd_enomem (EV_P) |
527 | { |
577 | { |
528 | int fd; |
578 | int fd; |
529 | |
579 | |
530 | for (fd = anfdmax; fd--; ) |
580 | for (fd = anfdmax; fd--; ) |
… | |
… | |
534 | return; |
584 | return; |
535 | } |
585 | } |
536 | } |
586 | } |
537 | |
587 | |
538 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
588 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
539 | static void |
589 | static void noinline |
540 | fd_rearm_all (EV_P) |
590 | fd_rearm_all (EV_P) |
541 | { |
591 | { |
542 | int fd; |
592 | int fd; |
543 | |
593 | |
544 | /* this should be highly optimised to not do anything but set a flag */ |
594 | /* this should be highly optimised to not do anything but set a flag */ |
… | |
… | |
550 | } |
600 | } |
551 | } |
601 | } |
552 | |
602 | |
553 | /*****************************************************************************/ |
603 | /*****************************************************************************/ |
554 | |
604 | |
555 | static void |
605 | void inline_speed |
556 | upheap (WT *heap, int k) |
606 | upheap (WT *heap, int k) |
557 | { |
607 | { |
558 | WT w = heap [k]; |
608 | WT w = heap [k]; |
559 | |
609 | |
560 | while (k && heap [k >> 1]->at > w->at) |
610 | while (k && heap [k >> 1]->at > w->at) |
… | |
… | |
567 | heap [k] = w; |
617 | heap [k] = w; |
568 | ((W)heap [k])->active = k + 1; |
618 | ((W)heap [k])->active = k + 1; |
569 | |
619 | |
570 | } |
620 | } |
571 | |
621 | |
572 | static void |
622 | void inline_speed |
573 | downheap (WT *heap, int N, int k) |
623 | downheap (WT *heap, int N, int k) |
574 | { |
624 | { |
575 | WT w = heap [k]; |
625 | WT w = heap [k]; |
576 | |
626 | |
577 | while (k < (N >> 1)) |
627 | while (k < (N >> 1)) |
… | |
… | |
591 | |
641 | |
592 | heap [k] = w; |
642 | heap [k] = w; |
593 | ((W)heap [k])->active = k + 1; |
643 | ((W)heap [k])->active = k + 1; |
594 | } |
644 | } |
595 | |
645 | |
596 | inline void |
646 | void inline_size |
597 | adjustheap (WT *heap, int N, int k) |
647 | adjustheap (WT *heap, int N, int k) |
598 | { |
648 | { |
599 | upheap (heap, k); |
649 | upheap (heap, k); |
600 | downheap (heap, N, k); |
650 | downheap (heap, N, k); |
601 | } |
651 | } |
… | |
… | |
611 | static ANSIG *signals; |
661 | static ANSIG *signals; |
612 | static int signalmax; |
662 | static int signalmax; |
613 | |
663 | |
614 | static int sigpipe [2]; |
664 | static int sigpipe [2]; |
615 | static sig_atomic_t volatile gotsig; |
665 | static sig_atomic_t volatile gotsig; |
616 | static struct ev_io sigev; |
666 | static ev_io sigev; |
617 | |
667 | |
618 | static void |
668 | void inline_size |
619 | signals_init (ANSIG *base, int count) |
669 | signals_init (ANSIG *base, int count) |
620 | { |
670 | { |
621 | while (count--) |
671 | while (count--) |
622 | { |
672 | { |
623 | base->head = 0; |
673 | base->head = 0; |
… | |
… | |
643 | write (sigpipe [1], &signum, 1); |
693 | write (sigpipe [1], &signum, 1); |
644 | errno = old_errno; |
694 | errno = old_errno; |
645 | } |
695 | } |
646 | } |
696 | } |
647 | |
697 | |
648 | void |
698 | void noinline |
649 | ev_feed_signal_event (EV_P_ int signum) |
699 | ev_feed_signal_event (EV_P_ int signum) |
650 | { |
700 | { |
651 | WL w; |
701 | WL w; |
652 | |
702 | |
653 | #if EV_MULTIPLICITY |
703 | #if EV_MULTIPLICITY |
… | |
… | |
664 | for (w = signals [signum].head; w; w = w->next) |
714 | for (w = signals [signum].head; w; w = w->next) |
665 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
715 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
666 | } |
716 | } |
667 | |
717 | |
668 | static void |
718 | static void |
669 | sigcb (EV_P_ struct ev_io *iow, int revents) |
719 | sigcb (EV_P_ ev_io *iow, int revents) |
670 | { |
720 | { |
671 | int signum; |
721 | int signum; |
672 | |
722 | |
673 | read (sigpipe [0], &revents, 1); |
723 | read (sigpipe [0], &revents, 1); |
674 | gotsig = 0; |
724 | gotsig = 0; |
… | |
… | |
676 | for (signum = signalmax; signum--; ) |
726 | for (signum = signalmax; signum--; ) |
677 | if (signals [signum].gotsig) |
727 | if (signals [signum].gotsig) |
678 | ev_feed_signal_event (EV_A_ signum + 1); |
728 | ev_feed_signal_event (EV_A_ signum + 1); |
679 | } |
729 | } |
680 | |
730 | |
681 | static void |
731 | void inline_size |
682 | fd_intern (int fd) |
732 | fd_intern (int fd) |
683 | { |
733 | { |
684 | #ifdef _WIN32 |
734 | #ifdef _WIN32 |
685 | int arg = 1; |
735 | int arg = 1; |
686 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
736 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
688 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
738 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
689 | fcntl (fd, F_SETFL, O_NONBLOCK); |
739 | fcntl (fd, F_SETFL, O_NONBLOCK); |
690 | #endif |
740 | #endif |
691 | } |
741 | } |
692 | |
742 | |
693 | static void |
743 | static void noinline |
694 | siginit (EV_P) |
744 | siginit (EV_P) |
695 | { |
745 | { |
696 | fd_intern (sigpipe [0]); |
746 | fd_intern (sigpipe [0]); |
697 | fd_intern (sigpipe [1]); |
747 | fd_intern (sigpipe [1]); |
698 | |
748 | |
… | |
… | |
701 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
751 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
702 | } |
752 | } |
703 | |
753 | |
704 | /*****************************************************************************/ |
754 | /*****************************************************************************/ |
705 | |
755 | |
706 | static struct ev_child *childs [PID_HASHSIZE]; |
756 | static ev_child *childs [EV_PID_HASHSIZE]; |
707 | |
757 | |
708 | #ifndef _WIN32 |
758 | #ifndef _WIN32 |
709 | |
759 | |
710 | static struct ev_signal childev; |
760 | static ev_signal childev; |
711 | |
761 | |
712 | #ifndef WCONTINUED |
762 | void inline_speed |
713 | # define WCONTINUED 0 |
|
|
714 | #endif |
|
|
715 | |
|
|
716 | static void |
|
|
717 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
763 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
718 | { |
764 | { |
719 | struct ev_child *w; |
765 | ev_child *w; |
720 | |
766 | |
721 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
767 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
722 | if (w->pid == pid || !w->pid) |
768 | if (w->pid == pid || !w->pid) |
723 | { |
769 | { |
724 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
770 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
725 | w->rpid = pid; |
771 | w->rpid = pid; |
726 | w->rstatus = status; |
772 | w->rstatus = status; |
727 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
773 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
728 | } |
774 | } |
729 | } |
775 | } |
730 | |
776 | |
|
|
777 | #ifndef WCONTINUED |
|
|
778 | # define WCONTINUED 0 |
|
|
779 | #endif |
|
|
780 | |
731 | static void |
781 | static void |
732 | childcb (EV_P_ struct ev_signal *sw, int revents) |
782 | childcb (EV_P_ ev_signal *sw, int revents) |
733 | { |
783 | { |
734 | int pid, status; |
784 | int pid, status; |
735 | |
785 | |
|
|
786 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
736 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
787 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
737 | { |
788 | if (!WCONTINUED |
|
|
789 | || errno != EINVAL |
|
|
790 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
791 | return; |
|
|
792 | |
738 | /* make sure we are called again until all childs have been reaped */ |
793 | /* make sure we are called again until all childs have been reaped */ |
739 | /* we need to do it this way so that the callback gets called before we continue */ |
794 | /* we need to do it this way so that the callback gets called before we continue */ |
740 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
795 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
741 | |
796 | |
742 | child_reap (EV_A_ sw, pid, pid, status); |
797 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
798 | if (EV_PID_HASHSIZE > 1) |
743 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
799 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
744 | } |
|
|
745 | } |
800 | } |
746 | |
801 | |
747 | #endif |
802 | #endif |
748 | |
803 | |
749 | /*****************************************************************************/ |
804 | /*****************************************************************************/ |
… | |
… | |
775 | { |
830 | { |
776 | return EV_VERSION_MINOR; |
831 | return EV_VERSION_MINOR; |
777 | } |
832 | } |
778 | |
833 | |
779 | /* return true if we are running with elevated privileges and should ignore env variables */ |
834 | /* return true if we are running with elevated privileges and should ignore env variables */ |
780 | static int |
835 | int inline_size |
781 | enable_secure (void) |
836 | enable_secure (void) |
782 | { |
837 | { |
783 | #ifdef _WIN32 |
838 | #ifdef _WIN32 |
784 | return 0; |
839 | return 0; |
785 | #else |
840 | #else |
… | |
… | |
832 | ev_backend (EV_P) |
887 | ev_backend (EV_P) |
833 | { |
888 | { |
834 | return backend; |
889 | return backend; |
835 | } |
890 | } |
836 | |
891 | |
837 | static void |
892 | static void noinline |
838 | loop_init (EV_P_ unsigned int flags) |
893 | loop_init (EV_P_ unsigned int flags) |
839 | { |
894 | { |
840 | if (!backend) |
895 | if (!backend) |
841 | { |
896 | { |
842 | #if EV_USE_MONOTONIC |
897 | #if EV_USE_MONOTONIC |
… | |
… | |
859 | |
914 | |
860 | if (!(flags & 0x0000ffffUL)) |
915 | if (!(flags & 0x0000ffffUL)) |
861 | flags |= ev_recommended_backends (); |
916 | flags |= ev_recommended_backends (); |
862 | |
917 | |
863 | backend = 0; |
918 | backend = 0; |
|
|
919 | backend_fd = -1; |
|
|
920 | #if EV_USE_INOTIFY |
|
|
921 | fs_fd = -2; |
|
|
922 | #endif |
|
|
923 | |
864 | #if EV_USE_PORT |
924 | #if EV_USE_PORT |
865 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
925 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
866 | #endif |
926 | #endif |
867 | #if EV_USE_KQUEUE |
927 | #if EV_USE_KQUEUE |
868 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
928 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
880 | ev_init (&sigev, sigcb); |
940 | ev_init (&sigev, sigcb); |
881 | ev_set_priority (&sigev, EV_MAXPRI); |
941 | ev_set_priority (&sigev, EV_MAXPRI); |
882 | } |
942 | } |
883 | } |
943 | } |
884 | |
944 | |
885 | static void |
945 | static void noinline |
886 | loop_destroy (EV_P) |
946 | loop_destroy (EV_P) |
887 | { |
947 | { |
888 | int i; |
948 | int i; |
|
|
949 | |
|
|
950 | #if EV_USE_INOTIFY |
|
|
951 | if (fs_fd >= 0) |
|
|
952 | close (fs_fd); |
|
|
953 | #endif |
|
|
954 | |
|
|
955 | if (backend_fd >= 0) |
|
|
956 | close (backend_fd); |
889 | |
957 | |
890 | #if EV_USE_PORT |
958 | #if EV_USE_PORT |
891 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
959 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
892 | #endif |
960 | #endif |
893 | #if EV_USE_KQUEUE |
961 | #if EV_USE_KQUEUE |
… | |
… | |
907 | array_free (pending, [i]); |
975 | array_free (pending, [i]); |
908 | |
976 | |
909 | /* have to use the microsoft-never-gets-it-right macro */ |
977 | /* have to use the microsoft-never-gets-it-right macro */ |
910 | array_free (fdchange, EMPTY0); |
978 | array_free (fdchange, EMPTY0); |
911 | array_free (timer, EMPTY0); |
979 | array_free (timer, EMPTY0); |
912 | #if EV_PERIODICS |
980 | #if EV_PERIODIC_ENABLE |
913 | array_free (periodic, EMPTY0); |
981 | array_free (periodic, EMPTY0); |
914 | #endif |
982 | #endif |
915 | array_free (idle, EMPTY0); |
983 | array_free (idle, EMPTY0); |
916 | array_free (prepare, EMPTY0); |
984 | array_free (prepare, EMPTY0); |
917 | array_free (check, EMPTY0); |
985 | array_free (check, EMPTY0); |
918 | |
986 | |
919 | backend = 0; |
987 | backend = 0; |
920 | } |
988 | } |
921 | |
989 | |
922 | static void |
990 | void inline_size |
923 | loop_fork (EV_P) |
991 | loop_fork (EV_P) |
924 | { |
992 | { |
925 | #if EV_USE_PORT |
993 | #if EV_USE_PORT |
926 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
994 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
927 | #endif |
995 | #endif |
… | |
… | |
1053 | postfork = 1; |
1121 | postfork = 1; |
1054 | } |
1122 | } |
1055 | |
1123 | |
1056 | /*****************************************************************************/ |
1124 | /*****************************************************************************/ |
1057 | |
1125 | |
1058 | static int |
1126 | int inline_size |
1059 | any_pending (EV_P) |
1127 | any_pending (EV_P) |
1060 | { |
1128 | { |
1061 | int pri; |
1129 | int pri; |
1062 | |
1130 | |
1063 | for (pri = NUMPRI; pri--; ) |
1131 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1065 | return 1; |
1133 | return 1; |
1066 | |
1134 | |
1067 | return 0; |
1135 | return 0; |
1068 | } |
1136 | } |
1069 | |
1137 | |
1070 | inline void |
1138 | void inline_speed |
1071 | call_pending (EV_P) |
1139 | call_pending (EV_P) |
1072 | { |
1140 | { |
1073 | int pri; |
1141 | int pri; |
1074 | |
1142 | |
1075 | for (pri = NUMPRI; pri--; ) |
1143 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1077 | { |
1145 | { |
1078 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1146 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1079 | |
1147 | |
1080 | if (expect_true (p->w)) |
1148 | if (expect_true (p->w)) |
1081 | { |
1149 | { |
|
|
1150 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1151 | |
1082 | p->w->pending = 0; |
1152 | p->w->pending = 0; |
1083 | EV_CB_INVOKE (p->w, p->events); |
1153 | EV_CB_INVOKE (p->w, p->events); |
1084 | } |
1154 | } |
1085 | } |
1155 | } |
1086 | } |
1156 | } |
1087 | |
1157 | |
1088 | inline void |
1158 | void inline_size |
1089 | timers_reify (EV_P) |
1159 | timers_reify (EV_P) |
1090 | { |
1160 | { |
1091 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1161 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1092 | { |
1162 | { |
1093 | struct ev_timer *w = timers [0]; |
1163 | ev_timer *w = timers [0]; |
1094 | |
1164 | |
1095 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1165 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1096 | |
1166 | |
1097 | /* first reschedule or stop timer */ |
1167 | /* first reschedule or stop timer */ |
1098 | if (w->repeat) |
1168 | if (w->repeat) |
1099 | { |
1169 | { |
1100 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1170 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
… | |
… | |
1110 | |
1180 | |
1111 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1181 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1112 | } |
1182 | } |
1113 | } |
1183 | } |
1114 | |
1184 | |
1115 | #if EV_PERIODICS |
1185 | #if EV_PERIODIC_ENABLE |
1116 | inline void |
1186 | void inline_size |
1117 | periodics_reify (EV_P) |
1187 | periodics_reify (EV_P) |
1118 | { |
1188 | { |
1119 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1189 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1120 | { |
1190 | { |
1121 | struct ev_periodic *w = periodics [0]; |
1191 | ev_periodic *w = periodics [0]; |
1122 | |
1192 | |
1123 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1193 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1124 | |
1194 | |
1125 | /* first reschedule or stop timer */ |
1195 | /* first reschedule or stop timer */ |
1126 | if (w->reschedule_cb) |
1196 | if (w->reschedule_cb) |
1127 | { |
1197 | { |
1128 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1198 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
… | |
… | |
1140 | |
1210 | |
1141 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1211 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1142 | } |
1212 | } |
1143 | } |
1213 | } |
1144 | |
1214 | |
1145 | static void |
1215 | static void noinline |
1146 | periodics_reschedule (EV_P) |
1216 | periodics_reschedule (EV_P) |
1147 | { |
1217 | { |
1148 | int i; |
1218 | int i; |
1149 | |
1219 | |
1150 | /* adjust periodics after time jump */ |
1220 | /* adjust periodics after time jump */ |
1151 | for (i = 0; i < periodiccnt; ++i) |
1221 | for (i = 0; i < periodiccnt; ++i) |
1152 | { |
1222 | { |
1153 | struct ev_periodic *w = periodics [i]; |
1223 | ev_periodic *w = periodics [i]; |
1154 | |
1224 | |
1155 | if (w->reschedule_cb) |
1225 | if (w->reschedule_cb) |
1156 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1226 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1157 | else if (w->interval) |
1227 | else if (w->interval) |
1158 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1228 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
… | |
… | |
1162 | for (i = periodiccnt >> 1; i--; ) |
1232 | for (i = periodiccnt >> 1; i--; ) |
1163 | downheap ((WT *)periodics, periodiccnt, i); |
1233 | downheap ((WT *)periodics, periodiccnt, i); |
1164 | } |
1234 | } |
1165 | #endif |
1235 | #endif |
1166 | |
1236 | |
1167 | inline int |
1237 | int inline_size |
1168 | time_update_monotonic (EV_P) |
1238 | time_update_monotonic (EV_P) |
1169 | { |
1239 | { |
1170 | mn_now = get_clock (); |
1240 | mn_now = get_clock (); |
1171 | |
1241 | |
1172 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1242 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
… | |
… | |
1180 | ev_rt_now = ev_time (); |
1250 | ev_rt_now = ev_time (); |
1181 | return 1; |
1251 | return 1; |
1182 | } |
1252 | } |
1183 | } |
1253 | } |
1184 | |
1254 | |
1185 | inline void |
1255 | void inline_size |
1186 | time_update (EV_P) |
1256 | time_update (EV_P) |
1187 | { |
1257 | { |
1188 | int i; |
1258 | int i; |
1189 | |
1259 | |
1190 | #if EV_USE_MONOTONIC |
1260 | #if EV_USE_MONOTONIC |
… | |
… | |
1192 | { |
1262 | { |
1193 | if (time_update_monotonic (EV_A)) |
1263 | if (time_update_monotonic (EV_A)) |
1194 | { |
1264 | { |
1195 | ev_tstamp odiff = rtmn_diff; |
1265 | ev_tstamp odiff = rtmn_diff; |
1196 | |
1266 | |
1197 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1267 | /* loop a few times, before making important decisions. |
|
|
1268 | * on the choice of "4": one iteration isn't enough, |
|
|
1269 | * in case we get preempted during the calls to |
|
|
1270 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1271 | * to succeed in that case, though. and looping a few more times |
|
|
1272 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1273 | * in the unlikely event of getting preempted here. |
|
|
1274 | */ |
|
|
1275 | for (i = 4; --i; ) |
1198 | { |
1276 | { |
1199 | rtmn_diff = ev_rt_now - mn_now; |
1277 | rtmn_diff = ev_rt_now - mn_now; |
1200 | |
1278 | |
1201 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1279 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1202 | return; /* all is well */ |
1280 | return; /* all is well */ |
… | |
… | |
1204 | ev_rt_now = ev_time (); |
1282 | ev_rt_now = ev_time (); |
1205 | mn_now = get_clock (); |
1283 | mn_now = get_clock (); |
1206 | now_floor = mn_now; |
1284 | now_floor = mn_now; |
1207 | } |
1285 | } |
1208 | |
1286 | |
1209 | # if EV_PERIODICS |
1287 | # if EV_PERIODIC_ENABLE |
1210 | periodics_reschedule (EV_A); |
1288 | periodics_reschedule (EV_A); |
1211 | # endif |
1289 | # endif |
1212 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1290 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1213 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1291 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1214 | } |
1292 | } |
… | |
… | |
1218 | { |
1296 | { |
1219 | ev_rt_now = ev_time (); |
1297 | ev_rt_now = ev_time (); |
1220 | |
1298 | |
1221 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1299 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1222 | { |
1300 | { |
1223 | #if EV_PERIODICS |
1301 | #if EV_PERIODIC_ENABLE |
1224 | periodics_reschedule (EV_A); |
1302 | periodics_reschedule (EV_A); |
1225 | #endif |
1303 | #endif |
1226 | |
1304 | |
1227 | /* adjust timers. this is easy, as the offset is the same for all */ |
1305 | /* adjust timers. this is easy, as the offset is the same for all */ |
1228 | for (i = 0; i < timercnt; ++i) |
1306 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
1254 | ? EVUNLOOP_ONE |
1332 | ? EVUNLOOP_ONE |
1255 | : EVUNLOOP_CANCEL; |
1333 | : EVUNLOOP_CANCEL; |
1256 | |
1334 | |
1257 | while (activecnt) |
1335 | while (activecnt) |
1258 | { |
1336 | { |
|
|
1337 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1338 | #if EV_FORK_ENABLE |
|
|
1339 | if (expect_false (postfork)) |
|
|
1340 | if (forkcnt) |
|
|
1341 | { |
|
|
1342 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1343 | call_pending (EV_A); |
|
|
1344 | } |
|
|
1345 | #endif |
|
|
1346 | |
1259 | /* queue check watchers (and execute them) */ |
1347 | /* queue check watchers (and execute them) */ |
1260 | if (expect_false (preparecnt)) |
1348 | if (expect_false (preparecnt)) |
1261 | { |
1349 | { |
1262 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1350 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1263 | call_pending (EV_A); |
1351 | call_pending (EV_A); |
… | |
… | |
1295 | { |
1383 | { |
1296 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1384 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1297 | if (block > to) block = to; |
1385 | if (block > to) block = to; |
1298 | } |
1386 | } |
1299 | |
1387 | |
1300 | #if EV_PERIODICS |
1388 | #if EV_PERIODIC_ENABLE |
1301 | if (periodiccnt) |
1389 | if (periodiccnt) |
1302 | { |
1390 | { |
1303 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1391 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1304 | if (block > to) block = to; |
1392 | if (block > to) block = to; |
1305 | } |
1393 | } |
… | |
… | |
1314 | /* update ev_rt_now, do magic */ |
1402 | /* update ev_rt_now, do magic */ |
1315 | time_update (EV_A); |
1403 | time_update (EV_A); |
1316 | |
1404 | |
1317 | /* queue pending timers and reschedule them */ |
1405 | /* queue pending timers and reschedule them */ |
1318 | timers_reify (EV_A); /* relative timers called last */ |
1406 | timers_reify (EV_A); /* relative timers called last */ |
1319 | #if EV_PERIODICS |
1407 | #if EV_PERIODIC_ENABLE |
1320 | periodics_reify (EV_A); /* absolute timers called first */ |
1408 | periodics_reify (EV_A); /* absolute timers called first */ |
1321 | #endif |
1409 | #endif |
1322 | |
1410 | |
1323 | /* queue idle watchers unless io or timers are pending */ |
1411 | /* queue idle watchers unless other events are pending */ |
1324 | if (idlecnt && !any_pending (EV_A)) |
1412 | if (idlecnt && !any_pending (EV_A)) |
1325 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1413 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1326 | |
1414 | |
1327 | /* queue check watchers, to be executed first */ |
1415 | /* queue check watchers, to be executed first */ |
1328 | if (expect_false (checkcnt)) |
1416 | if (expect_false (checkcnt)) |
… | |
… | |
1344 | loop_done = how; |
1432 | loop_done = how; |
1345 | } |
1433 | } |
1346 | |
1434 | |
1347 | /*****************************************************************************/ |
1435 | /*****************************************************************************/ |
1348 | |
1436 | |
1349 | inline void |
1437 | void inline_size |
1350 | wlist_add (WL *head, WL elem) |
1438 | wlist_add (WL *head, WL elem) |
1351 | { |
1439 | { |
1352 | elem->next = *head; |
1440 | elem->next = *head; |
1353 | *head = elem; |
1441 | *head = elem; |
1354 | } |
1442 | } |
1355 | |
1443 | |
1356 | inline void |
1444 | void inline_size |
1357 | wlist_del (WL *head, WL elem) |
1445 | wlist_del (WL *head, WL elem) |
1358 | { |
1446 | { |
1359 | while (*head) |
1447 | while (*head) |
1360 | { |
1448 | { |
1361 | if (*head == elem) |
1449 | if (*head == elem) |
… | |
… | |
1366 | |
1454 | |
1367 | head = &(*head)->next; |
1455 | head = &(*head)->next; |
1368 | } |
1456 | } |
1369 | } |
1457 | } |
1370 | |
1458 | |
1371 | inline void |
1459 | void inline_speed |
1372 | ev_clear_pending (EV_P_ W w) |
1460 | ev_clear_pending (EV_P_ W w) |
1373 | { |
1461 | { |
1374 | if (w->pending) |
1462 | if (w->pending) |
1375 | { |
1463 | { |
1376 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1464 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1377 | w->pending = 0; |
1465 | w->pending = 0; |
1378 | } |
1466 | } |
1379 | } |
1467 | } |
1380 | |
1468 | |
1381 | inline void |
1469 | void inline_speed |
1382 | ev_start (EV_P_ W w, int active) |
1470 | ev_start (EV_P_ W w, int active) |
1383 | { |
1471 | { |
1384 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1472 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1385 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1473 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1386 | |
1474 | |
1387 | w->active = active; |
1475 | w->active = active; |
1388 | ev_ref (EV_A); |
1476 | ev_ref (EV_A); |
1389 | } |
1477 | } |
1390 | |
1478 | |
1391 | inline void |
1479 | void inline_size |
1392 | ev_stop (EV_P_ W w) |
1480 | ev_stop (EV_P_ W w) |
1393 | { |
1481 | { |
1394 | ev_unref (EV_A); |
1482 | ev_unref (EV_A); |
1395 | w->active = 0; |
1483 | w->active = 0; |
1396 | } |
1484 | } |
1397 | |
1485 | |
1398 | /*****************************************************************************/ |
1486 | /*****************************************************************************/ |
1399 | |
1487 | |
1400 | void |
1488 | void |
1401 | ev_io_start (EV_P_ struct ev_io *w) |
1489 | ev_io_start (EV_P_ ev_io *w) |
1402 | { |
1490 | { |
1403 | int fd = w->fd; |
1491 | int fd = w->fd; |
1404 | |
1492 | |
1405 | if (expect_false (ev_is_active (w))) |
1493 | if (expect_false (ev_is_active (w))) |
1406 | return; |
1494 | return; |
… | |
… | |
1413 | |
1501 | |
1414 | fd_change (EV_A_ fd); |
1502 | fd_change (EV_A_ fd); |
1415 | } |
1503 | } |
1416 | |
1504 | |
1417 | void |
1505 | void |
1418 | ev_io_stop (EV_P_ struct ev_io *w) |
1506 | ev_io_stop (EV_P_ ev_io *w) |
1419 | { |
1507 | { |
1420 | ev_clear_pending (EV_A_ (W)w); |
1508 | ev_clear_pending (EV_A_ (W)w); |
1421 | if (expect_false (!ev_is_active (w))) |
1509 | if (expect_false (!ev_is_active (w))) |
1422 | return; |
1510 | return; |
1423 | |
1511 | |
… | |
… | |
1428 | |
1516 | |
1429 | fd_change (EV_A_ w->fd); |
1517 | fd_change (EV_A_ w->fd); |
1430 | } |
1518 | } |
1431 | |
1519 | |
1432 | void |
1520 | void |
1433 | ev_timer_start (EV_P_ struct ev_timer *w) |
1521 | ev_timer_start (EV_P_ ev_timer *w) |
1434 | { |
1522 | { |
1435 | if (expect_false (ev_is_active (w))) |
1523 | if (expect_false (ev_is_active (w))) |
1436 | return; |
1524 | return; |
1437 | |
1525 | |
1438 | ((WT)w)->at += mn_now; |
1526 | ((WT)w)->at += mn_now; |
1439 | |
1527 | |
1440 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1528 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1441 | |
1529 | |
1442 | ev_start (EV_A_ (W)w, ++timercnt); |
1530 | ev_start (EV_A_ (W)w, ++timercnt); |
1443 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1531 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1444 | timers [timercnt - 1] = w; |
1532 | timers [timercnt - 1] = w; |
1445 | upheap ((WT *)timers, timercnt - 1); |
1533 | upheap ((WT *)timers, timercnt - 1); |
1446 | |
1534 | |
1447 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1535 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1448 | } |
1536 | } |
1449 | |
1537 | |
1450 | void |
1538 | void |
1451 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1539 | ev_timer_stop (EV_P_ ev_timer *w) |
1452 | { |
1540 | { |
1453 | ev_clear_pending (EV_A_ (W)w); |
1541 | ev_clear_pending (EV_A_ (W)w); |
1454 | if (expect_false (!ev_is_active (w))) |
1542 | if (expect_false (!ev_is_active (w))) |
1455 | return; |
1543 | return; |
1456 | |
1544 | |
1457 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1545 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1458 | |
1546 | |
|
|
1547 | { |
|
|
1548 | int active = ((W)w)->active; |
|
|
1549 | |
1459 | if (expect_true (((W)w)->active < timercnt--)) |
1550 | if (expect_true (--active < --timercnt)) |
1460 | { |
1551 | { |
1461 | timers [((W)w)->active - 1] = timers [timercnt]; |
1552 | timers [active] = timers [timercnt]; |
1462 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1553 | adjustheap ((WT *)timers, timercnt, active); |
1463 | } |
1554 | } |
|
|
1555 | } |
1464 | |
1556 | |
1465 | ((WT)w)->at -= mn_now; |
1557 | ((WT)w)->at -= mn_now; |
1466 | |
1558 | |
1467 | ev_stop (EV_A_ (W)w); |
1559 | ev_stop (EV_A_ (W)w); |
1468 | } |
1560 | } |
1469 | |
1561 | |
1470 | void |
1562 | void |
1471 | ev_timer_again (EV_P_ struct ev_timer *w) |
1563 | ev_timer_again (EV_P_ ev_timer *w) |
1472 | { |
1564 | { |
1473 | if (ev_is_active (w)) |
1565 | if (ev_is_active (w)) |
1474 | { |
1566 | { |
1475 | if (w->repeat) |
1567 | if (w->repeat) |
1476 | { |
1568 | { |
… | |
… | |
1485 | w->at = w->repeat; |
1577 | w->at = w->repeat; |
1486 | ev_timer_start (EV_A_ w); |
1578 | ev_timer_start (EV_A_ w); |
1487 | } |
1579 | } |
1488 | } |
1580 | } |
1489 | |
1581 | |
1490 | #if EV_PERIODICS |
1582 | #if EV_PERIODIC_ENABLE |
1491 | void |
1583 | void |
1492 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1584 | ev_periodic_start (EV_P_ ev_periodic *w) |
1493 | { |
1585 | { |
1494 | if (expect_false (ev_is_active (w))) |
1586 | if (expect_false (ev_is_active (w))) |
1495 | return; |
1587 | return; |
1496 | |
1588 | |
1497 | if (w->reschedule_cb) |
1589 | if (w->reschedule_cb) |
… | |
… | |
1502 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1594 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1503 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1595 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1504 | } |
1596 | } |
1505 | |
1597 | |
1506 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1598 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1507 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1599 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1508 | periodics [periodiccnt - 1] = w; |
1600 | periodics [periodiccnt - 1] = w; |
1509 | upheap ((WT *)periodics, periodiccnt - 1); |
1601 | upheap ((WT *)periodics, periodiccnt - 1); |
1510 | |
1602 | |
1511 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1603 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1512 | } |
1604 | } |
1513 | |
1605 | |
1514 | void |
1606 | void |
1515 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1607 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1516 | { |
1608 | { |
1517 | ev_clear_pending (EV_A_ (W)w); |
1609 | ev_clear_pending (EV_A_ (W)w); |
1518 | if (expect_false (!ev_is_active (w))) |
1610 | if (expect_false (!ev_is_active (w))) |
1519 | return; |
1611 | return; |
1520 | |
1612 | |
1521 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1613 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1522 | |
1614 | |
|
|
1615 | { |
|
|
1616 | int active = ((W)w)->active; |
|
|
1617 | |
1523 | if (expect_true (((W)w)->active < periodiccnt--)) |
1618 | if (expect_true (--active < --periodiccnt)) |
1524 | { |
1619 | { |
1525 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1620 | periodics [active] = periodics [periodiccnt]; |
1526 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1621 | adjustheap ((WT *)periodics, periodiccnt, active); |
1527 | } |
1622 | } |
|
|
1623 | } |
1528 | |
1624 | |
1529 | ev_stop (EV_A_ (W)w); |
1625 | ev_stop (EV_A_ (W)w); |
1530 | } |
1626 | } |
1531 | |
1627 | |
1532 | void |
1628 | void |
1533 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1629 | ev_periodic_again (EV_P_ ev_periodic *w) |
1534 | { |
1630 | { |
1535 | /* TODO: use adjustheap and recalculation */ |
1631 | /* TODO: use adjustheap and recalculation */ |
1536 | ev_periodic_stop (EV_A_ w); |
1632 | ev_periodic_stop (EV_A_ w); |
1537 | ev_periodic_start (EV_A_ w); |
1633 | ev_periodic_start (EV_A_ w); |
1538 | } |
1634 | } |
1539 | #endif |
1635 | #endif |
1540 | |
1636 | |
1541 | void |
|
|
1542 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1543 | { |
|
|
1544 | if (expect_false (ev_is_active (w))) |
|
|
1545 | return; |
|
|
1546 | |
|
|
1547 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1548 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1549 | idles [idlecnt - 1] = w; |
|
|
1550 | } |
|
|
1551 | |
|
|
1552 | void |
|
|
1553 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1554 | { |
|
|
1555 | ev_clear_pending (EV_A_ (W)w); |
|
|
1556 | if (expect_false (!ev_is_active (w))) |
|
|
1557 | return; |
|
|
1558 | |
|
|
1559 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1560 | ev_stop (EV_A_ (W)w); |
|
|
1561 | } |
|
|
1562 | |
|
|
1563 | void |
|
|
1564 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1565 | { |
|
|
1566 | if (expect_false (ev_is_active (w))) |
|
|
1567 | return; |
|
|
1568 | |
|
|
1569 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1570 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1571 | prepares [preparecnt - 1] = w; |
|
|
1572 | } |
|
|
1573 | |
|
|
1574 | void |
|
|
1575 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1576 | { |
|
|
1577 | ev_clear_pending (EV_A_ (W)w); |
|
|
1578 | if (expect_false (!ev_is_active (w))) |
|
|
1579 | return; |
|
|
1580 | |
|
|
1581 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1582 | ev_stop (EV_A_ (W)w); |
|
|
1583 | } |
|
|
1584 | |
|
|
1585 | void |
|
|
1586 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1587 | { |
|
|
1588 | if (expect_false (ev_is_active (w))) |
|
|
1589 | return; |
|
|
1590 | |
|
|
1591 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1592 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1593 | checks [checkcnt - 1] = w; |
|
|
1594 | } |
|
|
1595 | |
|
|
1596 | void |
|
|
1597 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1598 | { |
|
|
1599 | ev_clear_pending (EV_A_ (W)w); |
|
|
1600 | if (expect_false (!ev_is_active (w))) |
|
|
1601 | return; |
|
|
1602 | |
|
|
1603 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1604 | ev_stop (EV_A_ (W)w); |
|
|
1605 | } |
|
|
1606 | |
|
|
1607 | #ifndef SA_RESTART |
1637 | #ifndef SA_RESTART |
1608 | # define SA_RESTART 0 |
1638 | # define SA_RESTART 0 |
1609 | #endif |
1639 | #endif |
1610 | |
1640 | |
1611 | void |
1641 | void |
1612 | ev_signal_start (EV_P_ struct ev_signal *w) |
1642 | ev_signal_start (EV_P_ ev_signal *w) |
1613 | { |
1643 | { |
1614 | #if EV_MULTIPLICITY |
1644 | #if EV_MULTIPLICITY |
1615 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1645 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1616 | #endif |
1646 | #endif |
1617 | if (expect_false (ev_is_active (w))) |
1647 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1636 | #endif |
1666 | #endif |
1637 | } |
1667 | } |
1638 | } |
1668 | } |
1639 | |
1669 | |
1640 | void |
1670 | void |
1641 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1671 | ev_signal_stop (EV_P_ ev_signal *w) |
1642 | { |
1672 | { |
1643 | ev_clear_pending (EV_A_ (W)w); |
1673 | ev_clear_pending (EV_A_ (W)w); |
1644 | if (expect_false (!ev_is_active (w))) |
1674 | if (expect_false (!ev_is_active (w))) |
1645 | return; |
1675 | return; |
1646 | |
1676 | |
… | |
… | |
1650 | if (!signals [w->signum - 1].head) |
1680 | if (!signals [w->signum - 1].head) |
1651 | signal (w->signum, SIG_DFL); |
1681 | signal (w->signum, SIG_DFL); |
1652 | } |
1682 | } |
1653 | |
1683 | |
1654 | void |
1684 | void |
1655 | ev_child_start (EV_P_ struct ev_child *w) |
1685 | ev_child_start (EV_P_ ev_child *w) |
1656 | { |
1686 | { |
1657 | #if EV_MULTIPLICITY |
1687 | #if EV_MULTIPLICITY |
1658 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1688 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1659 | #endif |
1689 | #endif |
1660 | if (expect_false (ev_is_active (w))) |
1690 | if (expect_false (ev_is_active (w))) |
1661 | return; |
1691 | return; |
1662 | |
1692 | |
1663 | ev_start (EV_A_ (W)w, 1); |
1693 | ev_start (EV_A_ (W)w, 1); |
1664 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1694 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1665 | } |
1695 | } |
1666 | |
1696 | |
1667 | void |
1697 | void |
1668 | ev_child_stop (EV_P_ struct ev_child *w) |
1698 | ev_child_stop (EV_P_ ev_child *w) |
1669 | { |
1699 | { |
1670 | ev_clear_pending (EV_A_ (W)w); |
1700 | ev_clear_pending (EV_A_ (W)w); |
1671 | if (expect_false (!ev_is_active (w))) |
1701 | if (expect_false (!ev_is_active (w))) |
1672 | return; |
1702 | return; |
1673 | |
1703 | |
1674 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1704 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1675 | ev_stop (EV_A_ (W)w); |
1705 | ev_stop (EV_A_ (W)w); |
1676 | } |
1706 | } |
1677 | |
1707 | |
1678 | #if EV_MULTIPLICITY |
1708 | #if EV_STAT_ENABLE |
|
|
1709 | |
|
|
1710 | # ifdef _WIN32 |
|
|
1711 | # undef lstat |
|
|
1712 | # define lstat(a,b) _stati64 (a,b) |
|
|
1713 | # endif |
|
|
1714 | |
|
|
1715 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1716 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1717 | |
|
|
1718 | void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1719 | |
|
|
1720 | #if EV_USE_INOTIFY |
|
|
1721 | # define EV_INOTIFY_BUFSIZE ((PATH_MAX + sizeof (struct inotify_event)) + 2048) |
|
|
1722 | |
|
|
1723 | static void noinline |
|
|
1724 | infy_add (EV_P_ ev_stat *w) |
|
|
1725 | { |
|
|
1726 | 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); |
|
|
1727 | |
|
|
1728 | if (w->wd < 0) |
|
|
1729 | { |
|
|
1730 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1731 | |
|
|
1732 | /* monitor some parent directory for speedup hints */ |
|
|
1733 | if (errno == ENOENT || errno == EACCES) |
|
|
1734 | { |
|
|
1735 | char path [PATH_MAX]; |
|
|
1736 | strcpy (path, w->path); |
|
|
1737 | |
|
|
1738 | do |
|
|
1739 | { |
|
|
1740 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1741 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1742 | |
|
|
1743 | char *pend = strrchr (path, '/'); |
|
|
1744 | |
|
|
1745 | if (!pend) |
|
|
1746 | break; /* whoops, no '/', complain to your admin */ |
|
|
1747 | |
|
|
1748 | *pend = 0; |
|
|
1749 | w->wd = inotify_add_watch (fs_fd, path, IN_DELETE_SELF | IN_CREATE | IN_MOVED_TO | IN_MASK_ADD); |
|
|
1750 | } |
|
|
1751 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1752 | } |
|
|
1753 | } |
|
|
1754 | else |
|
|
1755 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1756 | |
|
|
1757 | if (w->wd >= 0) |
|
|
1758 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1759 | } |
|
|
1760 | |
|
|
1761 | static void noinline |
|
|
1762 | infy_del (EV_P_ ev_stat *w) |
|
|
1763 | { |
|
|
1764 | WL w_; |
|
|
1765 | int slot; |
|
|
1766 | int wd = w->wd; |
|
|
1767 | |
|
|
1768 | if (wd < 0) |
|
|
1769 | return; |
|
|
1770 | |
|
|
1771 | w->wd = -2; |
|
|
1772 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1773 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1774 | |
|
|
1775 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1776 | inotify_rm_watch (fs_fd, wd); |
|
|
1777 | } |
|
|
1778 | |
|
|
1779 | static void noinline |
|
|
1780 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1781 | { |
|
|
1782 | if (slot < 0) |
|
|
1783 | /* overflow, need to check for all hahs slots */ |
|
|
1784 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1785 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1786 | else |
|
|
1787 | { |
|
|
1788 | WL w_; |
|
|
1789 | |
|
|
1790 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1791 | { |
|
|
1792 | ev_stat *w = (ev_stat *)w_; |
|
|
1793 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1794 | |
|
|
1795 | if (w->wd == wd || wd == -1) |
|
|
1796 | { |
|
|
1797 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1798 | { |
|
|
1799 | w->wd = -1; |
|
|
1800 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1801 | } |
|
|
1802 | |
|
|
1803 | stat_timer_cb (EV_P_ &w->timer, 0); |
|
|
1804 | } |
|
|
1805 | } |
|
|
1806 | } |
|
|
1807 | } |
|
|
1808 | |
1679 | static void |
1809 | static void |
1680 | embed_cb (EV_P_ struct ev_io *io, int revents) |
1810 | infy_cb (EV_P_ ev_io *w, int revents) |
1681 | { |
1811 | { |
1682 | struct ev_embed *w = (struct ev_embed *)(((char *)io) - offsetof (struct ev_embed, io)); |
1812 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1813 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1814 | int ofs; |
|
|
1815 | int len = read (fs_fd, buf, sizeof (buf)); |
1683 | |
1816 | |
|
|
1817 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1818 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1819 | } |
|
|
1820 | |
|
|
1821 | void inline_size |
|
|
1822 | infy_init (EV_P) |
|
|
1823 | { |
|
|
1824 | if (fs_fd != -2) |
|
|
1825 | return; |
|
|
1826 | |
|
|
1827 | fs_fd = inotify_init (); |
|
|
1828 | |
|
|
1829 | if (fs_fd >= 0) |
|
|
1830 | { |
|
|
1831 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1832 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1833 | ev_io_start (EV_A_ &fs_w); |
|
|
1834 | } |
|
|
1835 | } |
|
|
1836 | |
|
|
1837 | #endif |
|
|
1838 | |
|
|
1839 | void |
|
|
1840 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1841 | { |
|
|
1842 | if (lstat (w->path, &w->attr) < 0) |
|
|
1843 | w->attr.st_nlink = 0; |
|
|
1844 | else if (!w->attr.st_nlink) |
|
|
1845 | w->attr.st_nlink = 1; |
|
|
1846 | } |
|
|
1847 | |
|
|
1848 | void noinline |
|
|
1849 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1850 | { |
|
|
1851 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1852 | |
|
|
1853 | /* we copy this here each the time so that */ |
|
|
1854 | /* prev has the old value when the callback gets invoked */ |
|
|
1855 | w->prev = w->attr; |
|
|
1856 | ev_stat_stat (EV_A_ w); |
|
|
1857 | |
|
|
1858 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
|
|
1859 | { |
|
|
1860 | #if EV_USE_INOTIFY |
|
|
1861 | infy_del (EV_A_ w); |
|
|
1862 | infy_add (EV_A_ w); |
|
|
1863 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
1864 | #endif |
|
|
1865 | |
1684 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
1866 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
1867 | } |
|
|
1868 | } |
|
|
1869 | |
|
|
1870 | void |
|
|
1871 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
1872 | { |
|
|
1873 | if (expect_false (ev_is_active (w))) |
|
|
1874 | return; |
|
|
1875 | |
|
|
1876 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1877 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1878 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1879 | |
|
|
1880 | ev_stat_stat (EV_A_ w); |
|
|
1881 | |
|
|
1882 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
1883 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
1884 | |
|
|
1885 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
1886 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
1887 | |
|
|
1888 | #if EV_USE_INOTIFY |
|
|
1889 | infy_init (EV_A); |
|
|
1890 | |
|
|
1891 | if (fs_fd >= 0) |
|
|
1892 | infy_add (EV_A_ w); |
|
|
1893 | else |
|
|
1894 | #endif |
|
|
1895 | ev_timer_start (EV_A_ &w->timer); |
|
|
1896 | |
|
|
1897 | ev_start (EV_A_ (W)w, 1); |
|
|
1898 | } |
|
|
1899 | |
|
|
1900 | void |
|
|
1901 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
1902 | { |
|
|
1903 | ev_clear_pending (EV_A_ (W)w); |
|
|
1904 | if (expect_false (!ev_is_active (w))) |
|
|
1905 | return; |
|
|
1906 | |
|
|
1907 | #if EV_USE_INOTIFY |
|
|
1908 | infy_del (EV_A_ w); |
|
|
1909 | #endif |
|
|
1910 | ev_timer_stop (EV_A_ &w->timer); |
|
|
1911 | |
|
|
1912 | ev_stop (EV_A_ (W)w); |
|
|
1913 | } |
|
|
1914 | #endif |
|
|
1915 | |
|
|
1916 | void |
|
|
1917 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1918 | { |
|
|
1919 | if (expect_false (ev_is_active (w))) |
|
|
1920 | return; |
|
|
1921 | |
|
|
1922 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1923 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1924 | idles [idlecnt - 1] = w; |
|
|
1925 | } |
|
|
1926 | |
|
|
1927 | void |
|
|
1928 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
1929 | { |
|
|
1930 | ev_clear_pending (EV_A_ (W)w); |
|
|
1931 | if (expect_false (!ev_is_active (w))) |
|
|
1932 | return; |
|
|
1933 | |
|
|
1934 | { |
|
|
1935 | int active = ((W)w)->active; |
|
|
1936 | idles [active - 1] = idles [--idlecnt]; |
|
|
1937 | ((W)idles [active - 1])->active = active; |
|
|
1938 | } |
|
|
1939 | |
|
|
1940 | ev_stop (EV_A_ (W)w); |
|
|
1941 | } |
|
|
1942 | |
|
|
1943 | void |
|
|
1944 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
1945 | { |
|
|
1946 | if (expect_false (ev_is_active (w))) |
|
|
1947 | return; |
|
|
1948 | |
|
|
1949 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1950 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1951 | prepares [preparecnt - 1] = w; |
|
|
1952 | } |
|
|
1953 | |
|
|
1954 | void |
|
|
1955 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
1956 | { |
|
|
1957 | ev_clear_pending (EV_A_ (W)w); |
|
|
1958 | if (expect_false (!ev_is_active (w))) |
|
|
1959 | return; |
|
|
1960 | |
|
|
1961 | { |
|
|
1962 | int active = ((W)w)->active; |
|
|
1963 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1964 | ((W)prepares [active - 1])->active = active; |
|
|
1965 | } |
|
|
1966 | |
|
|
1967 | ev_stop (EV_A_ (W)w); |
|
|
1968 | } |
|
|
1969 | |
|
|
1970 | void |
|
|
1971 | ev_check_start (EV_P_ ev_check *w) |
|
|
1972 | { |
|
|
1973 | if (expect_false (ev_is_active (w))) |
|
|
1974 | return; |
|
|
1975 | |
|
|
1976 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1977 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1978 | checks [checkcnt - 1] = w; |
|
|
1979 | } |
|
|
1980 | |
|
|
1981 | void |
|
|
1982 | ev_check_stop (EV_P_ ev_check *w) |
|
|
1983 | { |
|
|
1984 | ev_clear_pending (EV_A_ (W)w); |
|
|
1985 | if (expect_false (!ev_is_active (w))) |
|
|
1986 | return; |
|
|
1987 | |
|
|
1988 | { |
|
|
1989 | int active = ((W)w)->active; |
|
|
1990 | checks [active - 1] = checks [--checkcnt]; |
|
|
1991 | ((W)checks [active - 1])->active = active; |
|
|
1992 | } |
|
|
1993 | |
|
|
1994 | ev_stop (EV_A_ (W)w); |
|
|
1995 | } |
|
|
1996 | |
|
|
1997 | #if EV_EMBED_ENABLE |
|
|
1998 | void noinline |
|
|
1999 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
2000 | { |
1685 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2001 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
1686 | } |
2002 | } |
1687 | |
2003 | |
|
|
2004 | static void |
|
|
2005 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
2006 | { |
|
|
2007 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
2008 | |
|
|
2009 | if (ev_cb (w)) |
|
|
2010 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
2011 | else |
|
|
2012 | ev_embed_sweep (loop, w); |
|
|
2013 | } |
|
|
2014 | |
1688 | void |
2015 | void |
1689 | ev_embed_start (EV_P_ struct ev_embed *w) |
2016 | ev_embed_start (EV_P_ ev_embed *w) |
1690 | { |
2017 | { |
1691 | if (expect_false (ev_is_active (w))) |
2018 | if (expect_false (ev_is_active (w))) |
1692 | return; |
2019 | return; |
1693 | |
2020 | |
1694 | { |
2021 | { |
1695 | struct ev_loop *loop = w->loop; |
2022 | struct ev_loop *loop = w->loop; |
1696 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2023 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
1697 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2024 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
1698 | } |
2025 | } |
1699 | |
2026 | |
|
|
2027 | ev_set_priority (&w->io, ev_priority (w)); |
1700 | ev_io_start (EV_A_ &w->io); |
2028 | ev_io_start (EV_A_ &w->io); |
|
|
2029 | |
1701 | ev_start (EV_A_ (W)w, 1); |
2030 | ev_start (EV_A_ (W)w, 1); |
1702 | } |
2031 | } |
1703 | |
2032 | |
1704 | void |
2033 | void |
1705 | ev_embed_stop (EV_P_ struct ev_embed *w) |
2034 | ev_embed_stop (EV_P_ ev_embed *w) |
1706 | { |
2035 | { |
1707 | ev_clear_pending (EV_A_ (W)w); |
2036 | ev_clear_pending (EV_A_ (W)w); |
1708 | if (expect_false (!ev_is_active (w))) |
2037 | if (expect_false (!ev_is_active (w))) |
1709 | return; |
2038 | return; |
1710 | |
2039 | |
1711 | ev_io_stop (EV_A_ &w->io); |
2040 | ev_io_stop (EV_A_ &w->io); |
|
|
2041 | |
1712 | ev_stop (EV_A_ (W)w); |
2042 | ev_stop (EV_A_ (W)w); |
1713 | } |
2043 | } |
1714 | #endif |
2044 | #endif |
1715 | |
2045 | |
|
|
2046 | #if EV_FORK_ENABLE |
|
|
2047 | void |
|
|
2048 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
2049 | { |
|
|
2050 | if (expect_false (ev_is_active (w))) |
|
|
2051 | return; |
|
|
2052 | |
|
|
2053 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2054 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2055 | forks [forkcnt - 1] = w; |
|
|
2056 | } |
|
|
2057 | |
|
|
2058 | void |
|
|
2059 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
2060 | { |
|
|
2061 | ev_clear_pending (EV_A_ (W)w); |
|
|
2062 | if (expect_false (!ev_is_active (w))) |
|
|
2063 | return; |
|
|
2064 | |
|
|
2065 | { |
|
|
2066 | int active = ((W)w)->active; |
|
|
2067 | forks [active - 1] = forks [--forkcnt]; |
|
|
2068 | ((W)forks [active - 1])->active = active; |
|
|
2069 | } |
|
|
2070 | |
|
|
2071 | ev_stop (EV_A_ (W)w); |
|
|
2072 | } |
|
|
2073 | #endif |
|
|
2074 | |
1716 | /*****************************************************************************/ |
2075 | /*****************************************************************************/ |
1717 | |
2076 | |
1718 | struct ev_once |
2077 | struct ev_once |
1719 | { |
2078 | { |
1720 | struct ev_io io; |
2079 | ev_io io; |
1721 | struct ev_timer to; |
2080 | ev_timer to; |
1722 | void (*cb)(int revents, void *arg); |
2081 | void (*cb)(int revents, void *arg); |
1723 | void *arg; |
2082 | void *arg; |
1724 | }; |
2083 | }; |
1725 | |
2084 | |
1726 | static void |
2085 | static void |
… | |
… | |
1735 | |
2094 | |
1736 | cb (revents, arg); |
2095 | cb (revents, arg); |
1737 | } |
2096 | } |
1738 | |
2097 | |
1739 | static void |
2098 | static void |
1740 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
2099 | once_cb_io (EV_P_ ev_io *w, int revents) |
1741 | { |
2100 | { |
1742 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
2101 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1743 | } |
2102 | } |
1744 | |
2103 | |
1745 | static void |
2104 | static void |
1746 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
2105 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1747 | { |
2106 | { |
1748 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
2107 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1749 | } |
2108 | } |
1750 | |
2109 | |
1751 | void |
2110 | void |