… | |
… | |
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 | |
201 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
246 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
203 | |
247 | |
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
248 | #define EMPTY /* 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 ev_watcher *W; |
251 | typedef ev_watcher *W; |
208 | typedef ev_watcher_list *WL; |
252 | typedef ev_watcher_list *WL; |
209 | typedef ev_watcher_time *WT; |
253 | typedef ev_watcher_time *WT; |
… | |
… | |
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 | |
… | |
… | |
238 | } |
283 | } |
239 | } |
284 | } |
240 | |
285 | |
241 | static void *(*alloc)(void *ptr, long size); |
286 | static void *(*alloc)(void *ptr, long size); |
242 | |
287 | |
|
|
288 | void |
243 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
289 | ev_set_allocator (void *(*cb)(void *ptr, long 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, long size) |
250 | { |
296 | { |
251 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
297 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
252 | |
298 | |
253 | if (!ptr && size) |
299 | if (!ptr && size) |
… | |
… | |
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 | #if EV_USE_INOTIFY |
|
|
330 | typedef struct |
|
|
331 | { |
|
|
332 | WL head; |
|
|
333 | } ANFS; |
|
|
334 | #endif |
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 | { |
… | |
… | |
343 | { |
396 | { |
344 | return ev_rt_now; |
397 | return ev_rt_now; |
345 | } |
398 | } |
346 | #endif |
399 | #endif |
347 | |
400 | |
348 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
401 | int inline_size |
|
|
402 | array_nextsize (int elem, int cur, int cnt) |
|
|
403 | { |
|
|
404 | int ncur = cur + 1; |
|
|
405 | |
|
|
406 | do |
|
|
407 | ncur <<= 1; |
|
|
408 | while (cnt > ncur); |
|
|
409 | |
|
|
410 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
|
|
411 | if (elem * ncur > 4096) |
|
|
412 | { |
|
|
413 | ncur *= elem; |
|
|
414 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
|
|
415 | ncur = ncur - sizeof (void *) * 4; |
|
|
416 | ncur /= elem; |
|
|
417 | } |
|
|
418 | |
|
|
419 | return ncur; |
|
|
420 | } |
|
|
421 | |
|
|
422 | inline_speed void * |
|
|
423 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
|
424 | { |
|
|
425 | *cur = array_nextsize (elem, *cur, cnt); |
|
|
426 | return ev_realloc (base, elem * *cur); |
|
|
427 | } |
349 | |
428 | |
350 | #define array_needsize(type,base,cur,cnt,init) \ |
429 | #define array_needsize(type,base,cur,cnt,init) \ |
351 | if (expect_false ((cnt) > cur)) \ |
430 | if (expect_false ((cnt) > (cur))) \ |
352 | { \ |
431 | { \ |
353 | int newcnt = cur; \ |
432 | int ocur_ = (cur); \ |
354 | do \ |
433 | (base) = (type *)array_realloc \ |
355 | { \ |
434 | (sizeof (type), (base), &(cur), (cnt)); \ |
356 | newcnt = array_roundsize (type, newcnt << 1); \ |
435 | init ((base) + (ocur_), (cur) - ocur_); \ |
357 | } \ |
|
|
358 | while ((cnt) > newcnt); \ |
|
|
359 | \ |
|
|
360 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
|
|
361 | init (base + cur, newcnt - cur); \ |
|
|
362 | cur = newcnt; \ |
|
|
363 | } |
436 | } |
364 | |
437 | |
|
|
438 | #if 0 |
365 | #define array_slim(type,stem) \ |
439 | #define array_slim(type,stem) \ |
366 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
440 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
367 | { \ |
441 | { \ |
368 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
442 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
369 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
443 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
370 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
444 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
371 | } |
445 | } |
|
|
446 | #endif |
372 | |
447 | |
373 | #define array_free(stem, idx) \ |
448 | #define array_free(stem, idx) \ |
374 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
449 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
375 | |
450 | |
376 | /*****************************************************************************/ |
451 | /*****************************************************************************/ |
377 | |
452 | |
378 | static void |
453 | 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) |
454 | ev_feed_event (EV_P_ void *w, int revents) |
393 | { |
455 | { |
394 | W w_ = (W)w; |
456 | W w_ = (W)w; |
395 | |
457 | |
396 | if (expect_false (w_->pending)) |
458 | if (expect_false (w_->pending)) |
… | |
… | |
403 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
465 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
404 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
466 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
405 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
467 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
406 | } |
468 | } |
407 | |
469 | |
408 | static void |
470 | void inline_size |
409 | queue_events (EV_P_ W *events, int eventcnt, int type) |
471 | queue_events (EV_P_ W *events, int eventcnt, int type) |
410 | { |
472 | { |
411 | int i; |
473 | int i; |
412 | |
474 | |
413 | for (i = 0; i < eventcnt; ++i) |
475 | for (i = 0; i < eventcnt; ++i) |
414 | ev_feed_event (EV_A_ events [i], type); |
476 | ev_feed_event (EV_A_ events [i], type); |
415 | } |
477 | } |
416 | |
478 | |
417 | inline void |
479 | /*****************************************************************************/ |
|
|
480 | |
|
|
481 | void inline_size |
|
|
482 | anfds_init (ANFD *base, int count) |
|
|
483 | { |
|
|
484 | while (count--) |
|
|
485 | { |
|
|
486 | base->head = 0; |
|
|
487 | base->events = EV_NONE; |
|
|
488 | base->reify = 0; |
|
|
489 | |
|
|
490 | ++base; |
|
|
491 | } |
|
|
492 | } |
|
|
493 | |
|
|
494 | void inline_speed |
418 | fd_event (EV_P_ int fd, int revents) |
495 | fd_event (EV_P_ int fd, int revents) |
419 | { |
496 | { |
420 | ANFD *anfd = anfds + fd; |
497 | ANFD *anfd = anfds + fd; |
421 | ev_io *w; |
498 | ev_io *w; |
422 | |
499 | |
… | |
… | |
430 | } |
507 | } |
431 | |
508 | |
432 | void |
509 | void |
433 | ev_feed_fd_event (EV_P_ int fd, int revents) |
510 | ev_feed_fd_event (EV_P_ int fd, int revents) |
434 | { |
511 | { |
|
|
512 | if (fd >= 0 && fd < anfdmax) |
435 | fd_event (EV_A_ fd, revents); |
513 | fd_event (EV_A_ fd, revents); |
436 | } |
514 | } |
437 | |
515 | |
438 | /*****************************************************************************/ |
516 | void inline_size |
439 | |
|
|
440 | inline void |
|
|
441 | fd_reify (EV_P) |
517 | fd_reify (EV_P) |
442 | { |
518 | { |
443 | int i; |
519 | int i; |
444 | |
520 | |
445 | for (i = 0; i < fdchangecnt; ++i) |
521 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
469 | } |
545 | } |
470 | |
546 | |
471 | fdchangecnt = 0; |
547 | fdchangecnt = 0; |
472 | } |
548 | } |
473 | |
549 | |
474 | static void |
550 | void inline_size |
475 | fd_change (EV_P_ int fd) |
551 | fd_change (EV_P_ int fd) |
476 | { |
552 | { |
477 | if (expect_false (anfds [fd].reify)) |
553 | if (expect_false (anfds [fd].reify)) |
478 | return; |
554 | return; |
479 | |
555 | |
… | |
… | |
482 | ++fdchangecnt; |
558 | ++fdchangecnt; |
483 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
559 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
484 | fdchanges [fdchangecnt - 1] = fd; |
560 | fdchanges [fdchangecnt - 1] = fd; |
485 | } |
561 | } |
486 | |
562 | |
487 | static void |
563 | void inline_speed |
488 | fd_kill (EV_P_ int fd) |
564 | fd_kill (EV_P_ int fd) |
489 | { |
565 | { |
490 | ev_io *w; |
566 | ev_io *w; |
491 | |
567 | |
492 | while ((w = (ev_io *)anfds [fd].head)) |
568 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
494 | ev_io_stop (EV_A_ w); |
570 | ev_io_stop (EV_A_ w); |
495 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
571 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
496 | } |
572 | } |
497 | } |
573 | } |
498 | |
574 | |
499 | inline int |
575 | int inline_size |
500 | fd_valid (int fd) |
576 | fd_valid (int fd) |
501 | { |
577 | { |
502 | #ifdef _WIN32 |
578 | #ifdef _WIN32 |
503 | return _get_osfhandle (fd) != -1; |
579 | return _get_osfhandle (fd) != -1; |
504 | #else |
580 | #else |
505 | return fcntl (fd, F_GETFD) != -1; |
581 | return fcntl (fd, F_GETFD) != -1; |
506 | #endif |
582 | #endif |
507 | } |
583 | } |
508 | |
584 | |
509 | /* called on EBADF to verify fds */ |
585 | /* called on EBADF to verify fds */ |
510 | static void |
586 | static void noinline |
511 | fd_ebadf (EV_P) |
587 | fd_ebadf (EV_P) |
512 | { |
588 | { |
513 | int fd; |
589 | int fd; |
514 | |
590 | |
515 | for (fd = 0; fd < anfdmax; ++fd) |
591 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
517 | if (!fd_valid (fd) == -1 && errno == EBADF) |
593 | if (!fd_valid (fd) == -1 && errno == EBADF) |
518 | fd_kill (EV_A_ fd); |
594 | fd_kill (EV_A_ fd); |
519 | } |
595 | } |
520 | |
596 | |
521 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
597 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
522 | static void |
598 | static void noinline |
523 | fd_enomem (EV_P) |
599 | fd_enomem (EV_P) |
524 | { |
600 | { |
525 | int fd; |
601 | int fd; |
526 | |
602 | |
527 | for (fd = anfdmax; fd--; ) |
603 | for (fd = anfdmax; fd--; ) |
… | |
… | |
531 | return; |
607 | return; |
532 | } |
608 | } |
533 | } |
609 | } |
534 | |
610 | |
535 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
611 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
536 | static void |
612 | static void noinline |
537 | fd_rearm_all (EV_P) |
613 | fd_rearm_all (EV_P) |
538 | { |
614 | { |
539 | int fd; |
615 | int fd; |
540 | |
616 | |
541 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
542 | for (fd = 0; fd < anfdmax; ++fd) |
617 | for (fd = 0; fd < anfdmax; ++fd) |
543 | if (anfds [fd].events) |
618 | if (anfds [fd].events) |
544 | { |
619 | { |
545 | anfds [fd].events = 0; |
620 | anfds [fd].events = 0; |
546 | fd_change (EV_A_ fd); |
621 | fd_change (EV_A_ fd); |
547 | } |
622 | } |
548 | } |
623 | } |
549 | |
624 | |
550 | /*****************************************************************************/ |
625 | /*****************************************************************************/ |
551 | |
626 | |
552 | static void |
627 | void inline_speed |
553 | upheap (WT *heap, int k) |
628 | upheap (WT *heap, int k) |
554 | { |
629 | { |
555 | WT w = heap [k]; |
630 | WT w = heap [k]; |
556 | |
631 | |
557 | while (k && heap [k >> 1]->at > w->at) |
632 | while (k && heap [k >> 1]->at > w->at) |
… | |
… | |
564 | heap [k] = w; |
639 | heap [k] = w; |
565 | ((W)heap [k])->active = k + 1; |
640 | ((W)heap [k])->active = k + 1; |
566 | |
641 | |
567 | } |
642 | } |
568 | |
643 | |
569 | static void |
644 | void inline_speed |
570 | downheap (WT *heap, int N, int k) |
645 | downheap (WT *heap, int N, int k) |
571 | { |
646 | { |
572 | WT w = heap [k]; |
647 | WT w = heap [k]; |
573 | |
648 | |
574 | while (k < (N >> 1)) |
649 | while (k < (N >> 1)) |
… | |
… | |
588 | |
663 | |
589 | heap [k] = w; |
664 | heap [k] = w; |
590 | ((W)heap [k])->active = k + 1; |
665 | ((W)heap [k])->active = k + 1; |
591 | } |
666 | } |
592 | |
667 | |
593 | inline void |
668 | void inline_size |
594 | adjustheap (WT *heap, int N, int k) |
669 | adjustheap (WT *heap, int N, int k) |
595 | { |
670 | { |
596 | upheap (heap, k); |
671 | upheap (heap, k); |
597 | downheap (heap, N, k); |
672 | downheap (heap, N, k); |
598 | } |
673 | } |
… | |
… | |
610 | |
685 | |
611 | static int sigpipe [2]; |
686 | static int sigpipe [2]; |
612 | static sig_atomic_t volatile gotsig; |
687 | static sig_atomic_t volatile gotsig; |
613 | static ev_io sigev; |
688 | static ev_io sigev; |
614 | |
689 | |
615 | static void |
690 | void inline_size |
616 | signals_init (ANSIG *base, int count) |
691 | signals_init (ANSIG *base, int count) |
617 | { |
692 | { |
618 | while (count--) |
693 | while (count--) |
619 | { |
694 | { |
620 | base->head = 0; |
695 | base->head = 0; |
… | |
… | |
640 | write (sigpipe [1], &signum, 1); |
715 | write (sigpipe [1], &signum, 1); |
641 | errno = old_errno; |
716 | errno = old_errno; |
642 | } |
717 | } |
643 | } |
718 | } |
644 | |
719 | |
645 | void |
720 | void noinline |
646 | ev_feed_signal_event (EV_P_ int signum) |
721 | ev_feed_signal_event (EV_P_ int signum) |
647 | { |
722 | { |
648 | WL w; |
723 | WL w; |
649 | |
724 | |
650 | #if EV_MULTIPLICITY |
725 | #if EV_MULTIPLICITY |
… | |
… | |
673 | for (signum = signalmax; signum--; ) |
748 | for (signum = signalmax; signum--; ) |
674 | if (signals [signum].gotsig) |
749 | if (signals [signum].gotsig) |
675 | ev_feed_signal_event (EV_A_ signum + 1); |
750 | ev_feed_signal_event (EV_A_ signum + 1); |
676 | } |
751 | } |
677 | |
752 | |
678 | static void |
753 | void inline_size |
679 | fd_intern (int fd) |
754 | fd_intern (int fd) |
680 | { |
755 | { |
681 | #ifdef _WIN32 |
756 | #ifdef _WIN32 |
682 | int arg = 1; |
757 | int arg = 1; |
683 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
758 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
685 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
760 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
686 | fcntl (fd, F_SETFL, O_NONBLOCK); |
761 | fcntl (fd, F_SETFL, O_NONBLOCK); |
687 | #endif |
762 | #endif |
688 | } |
763 | } |
689 | |
764 | |
690 | static void |
765 | static void noinline |
691 | siginit (EV_P) |
766 | siginit (EV_P) |
692 | { |
767 | { |
693 | fd_intern (sigpipe [0]); |
768 | fd_intern (sigpipe [0]); |
694 | fd_intern (sigpipe [1]); |
769 | fd_intern (sigpipe [1]); |
695 | |
770 | |
… | |
… | |
698 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
773 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
699 | } |
774 | } |
700 | |
775 | |
701 | /*****************************************************************************/ |
776 | /*****************************************************************************/ |
702 | |
777 | |
703 | static ev_child *childs [PID_HASHSIZE]; |
778 | static ev_child *childs [EV_PID_HASHSIZE]; |
704 | |
779 | |
705 | #ifndef _WIN32 |
780 | #ifndef _WIN32 |
706 | |
781 | |
707 | static ev_signal childev; |
782 | static ev_signal childev; |
|
|
783 | |
|
|
784 | void inline_speed |
|
|
785 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
|
|
786 | { |
|
|
787 | ev_child *w; |
|
|
788 | |
|
|
789 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
790 | if (w->pid == pid || !w->pid) |
|
|
791 | { |
|
|
792 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
|
|
793 | w->rpid = pid; |
|
|
794 | w->rstatus = status; |
|
|
795 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
796 | } |
|
|
797 | } |
708 | |
798 | |
709 | #ifndef WCONTINUED |
799 | #ifndef WCONTINUED |
710 | # define WCONTINUED 0 |
800 | # define WCONTINUED 0 |
711 | #endif |
801 | #endif |
712 | |
802 | |
713 | static void |
803 | static void |
714 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
|
|
715 | { |
|
|
716 | ev_child *w; |
|
|
717 | |
|
|
718 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
719 | if (w->pid == pid || !w->pid) |
|
|
720 | { |
|
|
721 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
|
|
722 | w->rpid = pid; |
|
|
723 | w->rstatus = status; |
|
|
724 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
725 | } |
|
|
726 | } |
|
|
727 | |
|
|
728 | static void |
|
|
729 | childcb (EV_P_ ev_signal *sw, int revents) |
804 | childcb (EV_P_ ev_signal *sw, int revents) |
730 | { |
805 | { |
731 | int pid, status; |
806 | int pid, status; |
732 | |
807 | |
|
|
808 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
733 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
809 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
734 | { |
810 | if (!WCONTINUED |
|
|
811 | || errno != EINVAL |
|
|
812 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
813 | return; |
|
|
814 | |
735 | /* make sure we are called again until all childs have been reaped */ |
815 | /* make sure we are called again until all childs have been reaped */ |
736 | /* we need to do it this way so that the callback gets called before we continue */ |
816 | /* we need to do it this way so that the callback gets called before we continue */ |
737 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
817 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
738 | |
818 | |
739 | child_reap (EV_A_ sw, pid, pid, status); |
819 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
820 | if (EV_PID_HASHSIZE > 1) |
740 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
821 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
741 | } |
|
|
742 | } |
822 | } |
743 | |
823 | |
744 | #endif |
824 | #endif |
745 | |
825 | |
746 | /*****************************************************************************/ |
826 | /*****************************************************************************/ |
… | |
… | |
772 | { |
852 | { |
773 | return EV_VERSION_MINOR; |
853 | return EV_VERSION_MINOR; |
774 | } |
854 | } |
775 | |
855 | |
776 | /* return true if we are running with elevated privileges and should ignore env variables */ |
856 | /* return true if we are running with elevated privileges and should ignore env variables */ |
777 | static int |
857 | int inline_size |
778 | enable_secure (void) |
858 | enable_secure (void) |
779 | { |
859 | { |
780 | #ifdef _WIN32 |
860 | #ifdef _WIN32 |
781 | return 0; |
861 | return 0; |
782 | #else |
862 | #else |
… | |
… | |
829 | ev_backend (EV_P) |
909 | ev_backend (EV_P) |
830 | { |
910 | { |
831 | return backend; |
911 | return backend; |
832 | } |
912 | } |
833 | |
913 | |
834 | static void |
914 | unsigned int |
|
|
915 | ev_loop_count (EV_P) |
|
|
916 | { |
|
|
917 | return loop_count; |
|
|
918 | } |
|
|
919 | |
|
|
920 | static void noinline |
835 | loop_init (EV_P_ unsigned int flags) |
921 | loop_init (EV_P_ unsigned int flags) |
836 | { |
922 | { |
837 | if (!backend) |
923 | if (!backend) |
838 | { |
924 | { |
839 | #if EV_USE_MONOTONIC |
925 | #if EV_USE_MONOTONIC |
… | |
… | |
847 | ev_rt_now = ev_time (); |
933 | ev_rt_now = ev_time (); |
848 | mn_now = get_clock (); |
934 | mn_now = get_clock (); |
849 | now_floor = mn_now; |
935 | now_floor = mn_now; |
850 | rtmn_diff = ev_rt_now - mn_now; |
936 | rtmn_diff = ev_rt_now - mn_now; |
851 | |
937 | |
|
|
938 | /* pid check not overridable via env */ |
|
|
939 | #ifndef _WIN32 |
|
|
940 | if (flags & EVFLAG_FORKCHECK) |
|
|
941 | curpid = getpid (); |
|
|
942 | #endif |
|
|
943 | |
852 | if (!(flags & EVFLAG_NOENV) |
944 | if (!(flags & EVFLAG_NOENV) |
853 | && !enable_secure () |
945 | && !enable_secure () |
854 | && getenv ("LIBEV_FLAGS")) |
946 | && getenv ("LIBEV_FLAGS")) |
855 | flags = atoi (getenv ("LIBEV_FLAGS")); |
947 | flags = atoi (getenv ("LIBEV_FLAGS")); |
856 | |
948 | |
857 | if (!(flags & 0x0000ffffUL)) |
949 | if (!(flags & 0x0000ffffUL)) |
858 | flags |= ev_recommended_backends (); |
950 | flags |= ev_recommended_backends (); |
859 | |
951 | |
860 | backend = 0; |
952 | backend = 0; |
|
|
953 | backend_fd = -1; |
|
|
954 | #if EV_USE_INOTIFY |
|
|
955 | fs_fd = -2; |
|
|
956 | #endif |
|
|
957 | |
861 | #if EV_USE_PORT |
958 | #if EV_USE_PORT |
862 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
959 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
863 | #endif |
960 | #endif |
864 | #if EV_USE_KQUEUE |
961 | #if EV_USE_KQUEUE |
865 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
962 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
877 | ev_init (&sigev, sigcb); |
974 | ev_init (&sigev, sigcb); |
878 | ev_set_priority (&sigev, EV_MAXPRI); |
975 | ev_set_priority (&sigev, EV_MAXPRI); |
879 | } |
976 | } |
880 | } |
977 | } |
881 | |
978 | |
882 | static void |
979 | static void noinline |
883 | loop_destroy (EV_P) |
980 | loop_destroy (EV_P) |
884 | { |
981 | { |
885 | int i; |
982 | int i; |
|
|
983 | |
|
|
984 | #if EV_USE_INOTIFY |
|
|
985 | if (fs_fd >= 0) |
|
|
986 | close (fs_fd); |
|
|
987 | #endif |
|
|
988 | |
|
|
989 | if (backend_fd >= 0) |
|
|
990 | close (backend_fd); |
886 | |
991 | |
887 | #if EV_USE_PORT |
992 | #if EV_USE_PORT |
888 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
993 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
889 | #endif |
994 | #endif |
890 | #if EV_USE_KQUEUE |
995 | #if EV_USE_KQUEUE |
… | |
… | |
899 | #if EV_USE_SELECT |
1004 | #if EV_USE_SELECT |
900 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1005 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
901 | #endif |
1006 | #endif |
902 | |
1007 | |
903 | for (i = NUMPRI; i--; ) |
1008 | for (i = NUMPRI; i--; ) |
|
|
1009 | { |
904 | array_free (pending, [i]); |
1010 | array_free (pending, [i]); |
|
|
1011 | #if EV_IDLE_ENABLE |
|
|
1012 | array_free (idle, [i]); |
|
|
1013 | #endif |
|
|
1014 | } |
905 | |
1015 | |
906 | /* have to use the microsoft-never-gets-it-right macro */ |
1016 | /* have to use the microsoft-never-gets-it-right macro */ |
907 | array_free (fdchange, EMPTY0); |
1017 | array_free (fdchange, EMPTY); |
908 | array_free (timer, EMPTY0); |
1018 | array_free (timer, EMPTY); |
909 | #if EV_PERIODICS |
1019 | #if EV_PERIODIC_ENABLE |
910 | array_free (periodic, EMPTY0); |
1020 | array_free (periodic, EMPTY); |
911 | #endif |
1021 | #endif |
912 | array_free (idle, EMPTY0); |
|
|
913 | array_free (prepare, EMPTY0); |
1022 | array_free (prepare, EMPTY); |
914 | array_free (check, EMPTY0); |
1023 | array_free (check, EMPTY); |
915 | |
1024 | |
916 | backend = 0; |
1025 | backend = 0; |
917 | } |
1026 | } |
918 | |
1027 | |
919 | static void |
1028 | void inline_size infy_fork (EV_P); |
|
|
1029 | |
|
|
1030 | void inline_size |
920 | loop_fork (EV_P) |
1031 | loop_fork (EV_P) |
921 | { |
1032 | { |
922 | #if EV_USE_PORT |
1033 | #if EV_USE_PORT |
923 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1034 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
924 | #endif |
1035 | #endif |
925 | #if EV_USE_KQUEUE |
1036 | #if EV_USE_KQUEUE |
926 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
1037 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
927 | #endif |
1038 | #endif |
928 | #if EV_USE_EPOLL |
1039 | #if EV_USE_EPOLL |
929 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
1040 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
|
|
1041 | #endif |
|
|
1042 | #if EV_USE_INOTIFY |
|
|
1043 | infy_fork (EV_A); |
930 | #endif |
1044 | #endif |
931 | |
1045 | |
932 | if (ev_is_active (&sigev)) |
1046 | if (ev_is_active (&sigev)) |
933 | { |
1047 | { |
934 | /* default loop */ |
1048 | /* default loop */ |
… | |
… | |
1050 | postfork = 1; |
1164 | postfork = 1; |
1051 | } |
1165 | } |
1052 | |
1166 | |
1053 | /*****************************************************************************/ |
1167 | /*****************************************************************************/ |
1054 | |
1168 | |
1055 | static int |
1169 | void |
1056 | any_pending (EV_P) |
1170 | ev_invoke (EV_P_ void *w, int revents) |
1057 | { |
1171 | { |
1058 | int pri; |
1172 | EV_CB_INVOKE ((W)w, revents); |
1059 | |
|
|
1060 | for (pri = NUMPRI; pri--; ) |
|
|
1061 | if (pendingcnt [pri]) |
|
|
1062 | return 1; |
|
|
1063 | |
|
|
1064 | return 0; |
|
|
1065 | } |
1173 | } |
1066 | |
1174 | |
1067 | inline void |
1175 | void inline_speed |
1068 | call_pending (EV_P) |
1176 | call_pending (EV_P) |
1069 | { |
1177 | { |
1070 | int pri; |
1178 | int pri; |
1071 | |
1179 | |
1072 | for (pri = NUMPRI; pri--; ) |
1180 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1074 | { |
1182 | { |
1075 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1183 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1076 | |
1184 | |
1077 | if (expect_true (p->w)) |
1185 | if (expect_true (p->w)) |
1078 | { |
1186 | { |
|
|
1187 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1188 | |
1079 | p->w->pending = 0; |
1189 | p->w->pending = 0; |
1080 | EV_CB_INVOKE (p->w, p->events); |
1190 | EV_CB_INVOKE (p->w, p->events); |
1081 | } |
1191 | } |
1082 | } |
1192 | } |
1083 | } |
1193 | } |
1084 | |
1194 | |
1085 | inline void |
1195 | void inline_size |
1086 | timers_reify (EV_P) |
1196 | timers_reify (EV_P) |
1087 | { |
1197 | { |
1088 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1198 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1089 | { |
1199 | { |
1090 | ev_timer *w = timers [0]; |
1200 | ev_timer *w = timers [0]; |
1091 | |
1201 | |
1092 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1202 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1093 | |
1203 | |
1094 | /* first reschedule or stop timer */ |
1204 | /* first reschedule or stop timer */ |
1095 | if (w->repeat) |
1205 | if (w->repeat) |
1096 | { |
1206 | { |
1097 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1207 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
… | |
… | |
1107 | |
1217 | |
1108 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1218 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1109 | } |
1219 | } |
1110 | } |
1220 | } |
1111 | |
1221 | |
1112 | #if EV_PERIODICS |
1222 | #if EV_PERIODIC_ENABLE |
1113 | inline void |
1223 | void inline_size |
1114 | periodics_reify (EV_P) |
1224 | periodics_reify (EV_P) |
1115 | { |
1225 | { |
1116 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1226 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1117 | { |
1227 | { |
1118 | ev_periodic *w = periodics [0]; |
1228 | ev_periodic *w = periodics [0]; |
1119 | |
1229 | |
1120 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1230 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1121 | |
1231 | |
1122 | /* first reschedule or stop timer */ |
1232 | /* first reschedule or stop timer */ |
1123 | if (w->reschedule_cb) |
1233 | if (w->reschedule_cb) |
1124 | { |
1234 | { |
1125 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1235 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
… | |
… | |
1137 | |
1247 | |
1138 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1248 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1139 | } |
1249 | } |
1140 | } |
1250 | } |
1141 | |
1251 | |
1142 | static void |
1252 | static void noinline |
1143 | periodics_reschedule (EV_P) |
1253 | periodics_reschedule (EV_P) |
1144 | { |
1254 | { |
1145 | int i; |
1255 | int i; |
1146 | |
1256 | |
1147 | /* adjust periodics after time jump */ |
1257 | /* adjust periodics after time jump */ |
… | |
… | |
1159 | for (i = periodiccnt >> 1; i--; ) |
1269 | for (i = periodiccnt >> 1; i--; ) |
1160 | downheap ((WT *)periodics, periodiccnt, i); |
1270 | downheap ((WT *)periodics, periodiccnt, i); |
1161 | } |
1271 | } |
1162 | #endif |
1272 | #endif |
1163 | |
1273 | |
1164 | inline int |
1274 | #if EV_IDLE_ENABLE |
|
|
1275 | void inline_size |
|
|
1276 | idle_reify (EV_P) |
|
|
1277 | { |
|
|
1278 | if (expect_false (idleall)) |
|
|
1279 | { |
|
|
1280 | int pri; |
|
|
1281 | |
|
|
1282 | for (pri = NUMPRI; pri--; ) |
|
|
1283 | { |
|
|
1284 | if (pendingcnt [pri]) |
|
|
1285 | break; |
|
|
1286 | |
|
|
1287 | if (idlecnt [pri]) |
|
|
1288 | { |
|
|
1289 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1290 | break; |
|
|
1291 | } |
|
|
1292 | } |
|
|
1293 | } |
|
|
1294 | } |
|
|
1295 | #endif |
|
|
1296 | |
|
|
1297 | int inline_size |
1165 | time_update_monotonic (EV_P) |
1298 | time_update_monotonic (EV_P) |
1166 | { |
1299 | { |
1167 | mn_now = get_clock (); |
1300 | mn_now = get_clock (); |
1168 | |
1301 | |
1169 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1302 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
… | |
… | |
1177 | ev_rt_now = ev_time (); |
1310 | ev_rt_now = ev_time (); |
1178 | return 1; |
1311 | return 1; |
1179 | } |
1312 | } |
1180 | } |
1313 | } |
1181 | |
1314 | |
1182 | inline void |
1315 | void inline_size |
1183 | time_update (EV_P) |
1316 | time_update (EV_P) |
1184 | { |
1317 | { |
1185 | int i; |
1318 | int i; |
1186 | |
1319 | |
1187 | #if EV_USE_MONOTONIC |
1320 | #if EV_USE_MONOTONIC |
… | |
… | |
1189 | { |
1322 | { |
1190 | if (time_update_monotonic (EV_A)) |
1323 | if (time_update_monotonic (EV_A)) |
1191 | { |
1324 | { |
1192 | ev_tstamp odiff = rtmn_diff; |
1325 | ev_tstamp odiff = rtmn_diff; |
1193 | |
1326 | |
1194 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1327 | /* loop a few times, before making important decisions. |
|
|
1328 | * on the choice of "4": one iteration isn't enough, |
|
|
1329 | * in case we get preempted during the calls to |
|
|
1330 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1331 | * to succeed in that case, though. and looping a few more times |
|
|
1332 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1333 | * in the unlikely event of having been preempted here. |
|
|
1334 | */ |
|
|
1335 | for (i = 4; --i; ) |
1195 | { |
1336 | { |
1196 | rtmn_diff = ev_rt_now - mn_now; |
1337 | rtmn_diff = ev_rt_now - mn_now; |
1197 | |
1338 | |
1198 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1339 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1199 | return; /* all is well */ |
1340 | return; /* all is well */ |
… | |
… | |
1201 | ev_rt_now = ev_time (); |
1342 | ev_rt_now = ev_time (); |
1202 | mn_now = get_clock (); |
1343 | mn_now = get_clock (); |
1203 | now_floor = mn_now; |
1344 | now_floor = mn_now; |
1204 | } |
1345 | } |
1205 | |
1346 | |
1206 | # if EV_PERIODICS |
1347 | # if EV_PERIODIC_ENABLE |
1207 | periodics_reschedule (EV_A); |
1348 | periodics_reschedule (EV_A); |
1208 | # endif |
1349 | # endif |
1209 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1350 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1210 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1351 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1211 | } |
1352 | } |
… | |
… | |
1215 | { |
1356 | { |
1216 | ev_rt_now = ev_time (); |
1357 | ev_rt_now = ev_time (); |
1217 | |
1358 | |
1218 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1359 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1219 | { |
1360 | { |
1220 | #if EV_PERIODICS |
1361 | #if EV_PERIODIC_ENABLE |
1221 | periodics_reschedule (EV_A); |
1362 | periodics_reschedule (EV_A); |
1222 | #endif |
1363 | #endif |
1223 | |
1364 | |
1224 | /* adjust timers. this is easy, as the offset is the same for all */ |
1365 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1225 | for (i = 0; i < timercnt; ++i) |
1366 | for (i = 0; i < timercnt; ++i) |
1226 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1367 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1227 | } |
1368 | } |
1228 | |
1369 | |
1229 | mn_now = ev_rt_now; |
1370 | mn_now = ev_rt_now; |
… | |
… | |
1249 | { |
1390 | { |
1250 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1391 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1251 | ? EVUNLOOP_ONE |
1392 | ? EVUNLOOP_ONE |
1252 | : EVUNLOOP_CANCEL; |
1393 | : EVUNLOOP_CANCEL; |
1253 | |
1394 | |
1254 | while (activecnt) |
1395 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1396 | |
|
|
1397 | do |
1255 | { |
1398 | { |
|
|
1399 | #ifndef _WIN32 |
|
|
1400 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1401 | if (expect_false (getpid () != curpid)) |
|
|
1402 | { |
|
|
1403 | curpid = getpid (); |
|
|
1404 | postfork = 1; |
|
|
1405 | } |
|
|
1406 | #endif |
|
|
1407 | |
|
|
1408 | #if EV_FORK_ENABLE |
|
|
1409 | /* we might have forked, so queue fork handlers */ |
|
|
1410 | if (expect_false (postfork)) |
|
|
1411 | if (forkcnt) |
|
|
1412 | { |
|
|
1413 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1414 | call_pending (EV_A); |
|
|
1415 | } |
|
|
1416 | #endif |
|
|
1417 | |
1256 | /* queue check watchers (and execute them) */ |
1418 | /* queue check watchers (and execute them) */ |
1257 | if (expect_false (preparecnt)) |
1419 | if (expect_false (preparecnt)) |
1258 | { |
1420 | { |
1259 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1421 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1260 | call_pending (EV_A); |
1422 | call_pending (EV_A); |
1261 | } |
1423 | } |
1262 | |
1424 | |
|
|
1425 | if (expect_false (!activecnt)) |
|
|
1426 | break; |
|
|
1427 | |
1263 | /* we might have forked, so reify kernel state if necessary */ |
1428 | /* we might have forked, so reify kernel state if necessary */ |
1264 | if (expect_false (postfork)) |
1429 | if (expect_false (postfork)) |
1265 | loop_fork (EV_A); |
1430 | loop_fork (EV_A); |
1266 | |
1431 | |
1267 | /* update fd-related kernel structures */ |
1432 | /* update fd-related kernel structures */ |
1268 | fd_reify (EV_A); |
1433 | fd_reify (EV_A); |
1269 | |
1434 | |
1270 | /* calculate blocking time */ |
1435 | /* calculate blocking time */ |
1271 | { |
1436 | { |
1272 | double block; |
1437 | ev_tstamp block; |
1273 | |
1438 | |
1274 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1439 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1275 | block = 0.; /* do not block at all */ |
1440 | block = 0.; /* do not block at all */ |
1276 | else |
1441 | else |
1277 | { |
1442 | { |
1278 | /* update time to cancel out callback processing overhead */ |
1443 | /* update time to cancel out callback processing overhead */ |
1279 | #if EV_USE_MONOTONIC |
1444 | #if EV_USE_MONOTONIC |
… | |
… | |
1292 | { |
1457 | { |
1293 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1458 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1294 | if (block > to) block = to; |
1459 | if (block > to) block = to; |
1295 | } |
1460 | } |
1296 | |
1461 | |
1297 | #if EV_PERIODICS |
1462 | #if EV_PERIODIC_ENABLE |
1298 | if (periodiccnt) |
1463 | if (periodiccnt) |
1299 | { |
1464 | { |
1300 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1465 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1301 | if (block > to) block = to; |
1466 | if (block > to) block = to; |
1302 | } |
1467 | } |
1303 | #endif |
1468 | #endif |
1304 | |
1469 | |
1305 | if (expect_false (block < 0.)) block = 0.; |
1470 | if (expect_false (block < 0.)) block = 0.; |
1306 | } |
1471 | } |
1307 | |
1472 | |
|
|
1473 | ++loop_count; |
1308 | backend_poll (EV_A_ block); |
1474 | backend_poll (EV_A_ block); |
1309 | } |
1475 | } |
1310 | |
1476 | |
1311 | /* update ev_rt_now, do magic */ |
1477 | /* update ev_rt_now, do magic */ |
1312 | time_update (EV_A); |
1478 | time_update (EV_A); |
1313 | |
1479 | |
1314 | /* queue pending timers and reschedule them */ |
1480 | /* queue pending timers and reschedule them */ |
1315 | timers_reify (EV_A); /* relative timers called last */ |
1481 | timers_reify (EV_A); /* relative timers called last */ |
1316 | #if EV_PERIODICS |
1482 | #if EV_PERIODIC_ENABLE |
1317 | periodics_reify (EV_A); /* absolute timers called first */ |
1483 | periodics_reify (EV_A); /* absolute timers called first */ |
1318 | #endif |
1484 | #endif |
1319 | |
1485 | |
|
|
1486 | #if EV_IDLE_ENABLE |
1320 | /* queue idle watchers unless other events are pending */ |
1487 | /* queue idle watchers unless other events are pending */ |
1321 | if (idlecnt && !any_pending (EV_A)) |
1488 | idle_reify (EV_A); |
1322 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1489 | #endif |
1323 | |
1490 | |
1324 | /* queue check watchers, to be executed first */ |
1491 | /* queue check watchers, to be executed first */ |
1325 | if (expect_false (checkcnt)) |
1492 | if (expect_false (checkcnt)) |
1326 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1493 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1327 | |
1494 | |
1328 | call_pending (EV_A); |
1495 | call_pending (EV_A); |
1329 | |
1496 | |
1330 | if (expect_false (loop_done)) |
|
|
1331 | break; |
|
|
1332 | } |
1497 | } |
|
|
1498 | while (expect_true (activecnt && !loop_done)); |
1333 | |
1499 | |
1334 | if (loop_done == EVUNLOOP_ONE) |
1500 | if (loop_done == EVUNLOOP_ONE) |
1335 | loop_done = EVUNLOOP_CANCEL; |
1501 | loop_done = EVUNLOOP_CANCEL; |
1336 | } |
1502 | } |
1337 | |
1503 | |
… | |
… | |
1341 | loop_done = how; |
1507 | loop_done = how; |
1342 | } |
1508 | } |
1343 | |
1509 | |
1344 | /*****************************************************************************/ |
1510 | /*****************************************************************************/ |
1345 | |
1511 | |
1346 | inline void |
1512 | void inline_size |
1347 | wlist_add (WL *head, WL elem) |
1513 | wlist_add (WL *head, WL elem) |
1348 | { |
1514 | { |
1349 | elem->next = *head; |
1515 | elem->next = *head; |
1350 | *head = elem; |
1516 | *head = elem; |
1351 | } |
1517 | } |
1352 | |
1518 | |
1353 | inline void |
1519 | void inline_size |
1354 | wlist_del (WL *head, WL elem) |
1520 | wlist_del (WL *head, WL elem) |
1355 | { |
1521 | { |
1356 | while (*head) |
1522 | while (*head) |
1357 | { |
1523 | { |
1358 | if (*head == elem) |
1524 | if (*head == elem) |
… | |
… | |
1363 | |
1529 | |
1364 | head = &(*head)->next; |
1530 | head = &(*head)->next; |
1365 | } |
1531 | } |
1366 | } |
1532 | } |
1367 | |
1533 | |
1368 | inline void |
1534 | void inline_speed |
1369 | ev_clear_pending (EV_P_ W w) |
1535 | clear_pending (EV_P_ W w) |
1370 | { |
1536 | { |
1371 | if (w->pending) |
1537 | if (w->pending) |
1372 | { |
1538 | { |
1373 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1539 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1374 | w->pending = 0; |
1540 | w->pending = 0; |
1375 | } |
1541 | } |
1376 | } |
1542 | } |
1377 | |
1543 | |
1378 | inline void |
1544 | int |
|
|
1545 | ev_clear_pending (EV_P_ void *w) |
|
|
1546 | { |
|
|
1547 | W w_ = (W)w; |
|
|
1548 | int pending = w_->pending; |
|
|
1549 | |
|
|
1550 | if (!pending) |
|
|
1551 | return 0; |
|
|
1552 | |
|
|
1553 | w_->pending = 0; |
|
|
1554 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1555 | p->w = 0; |
|
|
1556 | |
|
|
1557 | return p->events; |
|
|
1558 | } |
|
|
1559 | |
|
|
1560 | void inline_size |
|
|
1561 | pri_adjust (EV_P_ W w) |
|
|
1562 | { |
|
|
1563 | int pri = w->priority; |
|
|
1564 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1565 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1566 | w->priority = pri; |
|
|
1567 | } |
|
|
1568 | |
|
|
1569 | void inline_speed |
1379 | ev_start (EV_P_ W w, int active) |
1570 | ev_start (EV_P_ W w, int active) |
1380 | { |
1571 | { |
1381 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1572 | pri_adjust (EV_A_ w); |
1382 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1383 | |
|
|
1384 | w->active = active; |
1573 | w->active = active; |
1385 | ev_ref (EV_A); |
1574 | ev_ref (EV_A); |
1386 | } |
1575 | } |
1387 | |
1576 | |
1388 | inline void |
1577 | void inline_size |
1389 | ev_stop (EV_P_ W w) |
1578 | ev_stop (EV_P_ W w) |
1390 | { |
1579 | { |
1391 | ev_unref (EV_A); |
1580 | ev_unref (EV_A); |
1392 | w->active = 0; |
1581 | w->active = 0; |
1393 | } |
1582 | } |
… | |
… | |
1412 | } |
1601 | } |
1413 | |
1602 | |
1414 | void |
1603 | void |
1415 | ev_io_stop (EV_P_ ev_io *w) |
1604 | ev_io_stop (EV_P_ ev_io *w) |
1416 | { |
1605 | { |
1417 | ev_clear_pending (EV_A_ (W)w); |
1606 | clear_pending (EV_A_ (W)w); |
1418 | if (expect_false (!ev_is_active (w))) |
1607 | if (expect_false (!ev_is_active (w))) |
1419 | return; |
1608 | return; |
1420 | |
1609 | |
1421 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1610 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1422 | |
1611 | |
… | |
… | |
1439 | ev_start (EV_A_ (W)w, ++timercnt); |
1628 | ev_start (EV_A_ (W)w, ++timercnt); |
1440 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1629 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1441 | timers [timercnt - 1] = w; |
1630 | timers [timercnt - 1] = w; |
1442 | upheap ((WT *)timers, timercnt - 1); |
1631 | upheap ((WT *)timers, timercnt - 1); |
1443 | |
1632 | |
|
|
1633 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
|
|
1634 | } |
|
|
1635 | |
|
|
1636 | void |
|
|
1637 | ev_timer_stop (EV_P_ ev_timer *w) |
|
|
1638 | { |
|
|
1639 | clear_pending (EV_A_ (W)w); |
|
|
1640 | if (expect_false (!ev_is_active (w))) |
|
|
1641 | return; |
|
|
1642 | |
1444 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1643 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1445 | } |
|
|
1446 | |
1644 | |
1447 | void |
1645 | { |
1448 | ev_timer_stop (EV_P_ ev_timer *w) |
1646 | int active = ((W)w)->active; |
1449 | { |
|
|
1450 | ev_clear_pending (EV_A_ (W)w); |
|
|
1451 | if (expect_false (!ev_is_active (w))) |
|
|
1452 | return; |
|
|
1453 | |
1647 | |
1454 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
|
|
1455 | |
|
|
1456 | if (expect_true (((W)w)->active < timercnt--)) |
1648 | if (expect_true (--active < --timercnt)) |
1457 | { |
1649 | { |
1458 | timers [((W)w)->active - 1] = timers [timercnt]; |
1650 | timers [active] = timers [timercnt]; |
1459 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1651 | adjustheap ((WT *)timers, timercnt, active); |
1460 | } |
1652 | } |
|
|
1653 | } |
1461 | |
1654 | |
1462 | ((WT)w)->at -= mn_now; |
1655 | ((WT)w)->at -= mn_now; |
1463 | |
1656 | |
1464 | ev_stop (EV_A_ (W)w); |
1657 | ev_stop (EV_A_ (W)w); |
1465 | } |
1658 | } |
… | |
… | |
1482 | w->at = w->repeat; |
1675 | w->at = w->repeat; |
1483 | ev_timer_start (EV_A_ w); |
1676 | ev_timer_start (EV_A_ w); |
1484 | } |
1677 | } |
1485 | } |
1678 | } |
1486 | |
1679 | |
1487 | #if EV_PERIODICS |
1680 | #if EV_PERIODIC_ENABLE |
1488 | void |
1681 | void |
1489 | ev_periodic_start (EV_P_ ev_periodic *w) |
1682 | ev_periodic_start (EV_P_ ev_periodic *w) |
1490 | { |
1683 | { |
1491 | if (expect_false (ev_is_active (w))) |
1684 | if (expect_false (ev_is_active (w))) |
1492 | return; |
1685 | return; |
… | |
… | |
1503 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1696 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1504 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1697 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1505 | periodics [periodiccnt - 1] = w; |
1698 | periodics [periodiccnt - 1] = w; |
1506 | upheap ((WT *)periodics, periodiccnt - 1); |
1699 | upheap ((WT *)periodics, periodiccnt - 1); |
1507 | |
1700 | |
|
|
1701 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
|
|
1702 | } |
|
|
1703 | |
|
|
1704 | void |
|
|
1705 | ev_periodic_stop (EV_P_ ev_periodic *w) |
|
|
1706 | { |
|
|
1707 | clear_pending (EV_A_ (W)w); |
|
|
1708 | if (expect_false (!ev_is_active (w))) |
|
|
1709 | return; |
|
|
1710 | |
1508 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1711 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1509 | } |
|
|
1510 | |
1712 | |
1511 | void |
1713 | { |
1512 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1714 | int active = ((W)w)->active; |
1513 | { |
|
|
1514 | ev_clear_pending (EV_A_ (W)w); |
|
|
1515 | if (expect_false (!ev_is_active (w))) |
|
|
1516 | return; |
|
|
1517 | |
1715 | |
1518 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
|
|
1519 | |
|
|
1520 | if (expect_true (((W)w)->active < periodiccnt--)) |
1716 | if (expect_true (--active < --periodiccnt)) |
1521 | { |
1717 | { |
1522 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1718 | periodics [active] = periodics [periodiccnt]; |
1523 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1719 | adjustheap ((WT *)periodics, periodiccnt, active); |
1524 | } |
1720 | } |
|
|
1721 | } |
1525 | |
1722 | |
1526 | ev_stop (EV_A_ (W)w); |
1723 | ev_stop (EV_A_ (W)w); |
1527 | } |
1724 | } |
1528 | |
1725 | |
1529 | void |
1726 | void |
… | |
… | |
1532 | /* TODO: use adjustheap and recalculation */ |
1729 | /* TODO: use adjustheap and recalculation */ |
1533 | ev_periodic_stop (EV_A_ w); |
1730 | ev_periodic_stop (EV_A_ w); |
1534 | ev_periodic_start (EV_A_ w); |
1731 | ev_periodic_start (EV_A_ w); |
1535 | } |
1732 | } |
1536 | #endif |
1733 | #endif |
1537 | |
|
|
1538 | void |
|
|
1539 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1540 | { |
|
|
1541 | if (expect_false (ev_is_active (w))) |
|
|
1542 | return; |
|
|
1543 | |
|
|
1544 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1545 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1546 | idles [idlecnt - 1] = w; |
|
|
1547 | } |
|
|
1548 | |
|
|
1549 | void |
|
|
1550 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
1551 | { |
|
|
1552 | ev_clear_pending (EV_A_ (W)w); |
|
|
1553 | if (expect_false (!ev_is_active (w))) |
|
|
1554 | return; |
|
|
1555 | |
|
|
1556 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1557 | ev_stop (EV_A_ (W)w); |
|
|
1558 | } |
|
|
1559 | |
|
|
1560 | void |
|
|
1561 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
1562 | { |
|
|
1563 | if (expect_false (ev_is_active (w))) |
|
|
1564 | return; |
|
|
1565 | |
|
|
1566 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1567 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1568 | prepares [preparecnt - 1] = w; |
|
|
1569 | } |
|
|
1570 | |
|
|
1571 | void |
|
|
1572 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
1573 | { |
|
|
1574 | ev_clear_pending (EV_A_ (W)w); |
|
|
1575 | if (expect_false (!ev_is_active (w))) |
|
|
1576 | return; |
|
|
1577 | |
|
|
1578 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1579 | ev_stop (EV_A_ (W)w); |
|
|
1580 | } |
|
|
1581 | |
|
|
1582 | void |
|
|
1583 | ev_check_start (EV_P_ ev_check *w) |
|
|
1584 | { |
|
|
1585 | if (expect_false (ev_is_active (w))) |
|
|
1586 | return; |
|
|
1587 | |
|
|
1588 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1589 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1590 | checks [checkcnt - 1] = w; |
|
|
1591 | } |
|
|
1592 | |
|
|
1593 | void |
|
|
1594 | ev_check_stop (EV_P_ ev_check *w) |
|
|
1595 | { |
|
|
1596 | ev_clear_pending (EV_A_ (W)w); |
|
|
1597 | if (expect_false (!ev_is_active (w))) |
|
|
1598 | return; |
|
|
1599 | |
|
|
1600 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1601 | ev_stop (EV_A_ (W)w); |
|
|
1602 | } |
|
|
1603 | |
1734 | |
1604 | #ifndef SA_RESTART |
1735 | #ifndef SA_RESTART |
1605 | # define SA_RESTART 0 |
1736 | # define SA_RESTART 0 |
1606 | #endif |
1737 | #endif |
1607 | |
1738 | |
… | |
… | |
1635 | } |
1766 | } |
1636 | |
1767 | |
1637 | void |
1768 | void |
1638 | ev_signal_stop (EV_P_ ev_signal *w) |
1769 | ev_signal_stop (EV_P_ ev_signal *w) |
1639 | { |
1770 | { |
1640 | ev_clear_pending (EV_A_ (W)w); |
1771 | clear_pending (EV_A_ (W)w); |
1641 | if (expect_false (!ev_is_active (w))) |
1772 | if (expect_false (!ev_is_active (w))) |
1642 | return; |
1773 | return; |
1643 | |
1774 | |
1644 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1775 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1645 | ev_stop (EV_A_ (W)w); |
1776 | ev_stop (EV_A_ (W)w); |
… | |
… | |
1656 | #endif |
1787 | #endif |
1657 | if (expect_false (ev_is_active (w))) |
1788 | if (expect_false (ev_is_active (w))) |
1658 | return; |
1789 | return; |
1659 | |
1790 | |
1660 | ev_start (EV_A_ (W)w, 1); |
1791 | ev_start (EV_A_ (W)w, 1); |
1661 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1792 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1662 | } |
1793 | } |
1663 | |
1794 | |
1664 | void |
1795 | void |
1665 | ev_child_stop (EV_P_ ev_child *w) |
1796 | ev_child_stop (EV_P_ ev_child *w) |
1666 | { |
1797 | { |
1667 | ev_clear_pending (EV_A_ (W)w); |
1798 | clear_pending (EV_A_ (W)w); |
1668 | if (expect_false (!ev_is_active (w))) |
1799 | if (expect_false (!ev_is_active (w))) |
1669 | return; |
1800 | return; |
1670 | |
1801 | |
1671 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1802 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1672 | ev_stop (EV_A_ (W)w); |
1803 | ev_stop (EV_A_ (W)w); |
1673 | } |
1804 | } |
1674 | |
1805 | |
1675 | #if EV_MULTIPLICITY |
1806 | #if EV_STAT_ENABLE |
|
|
1807 | |
|
|
1808 | # ifdef _WIN32 |
|
|
1809 | # undef lstat |
|
|
1810 | # define lstat(a,b) _stati64 (a,b) |
|
|
1811 | # endif |
|
|
1812 | |
|
|
1813 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1814 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1815 | |
|
|
1816 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1817 | |
|
|
1818 | #if EV_USE_INOTIFY |
|
|
1819 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1820 | |
|
|
1821 | static void noinline |
|
|
1822 | infy_add (EV_P_ ev_stat *w) |
|
|
1823 | { |
|
|
1824 | 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); |
|
|
1825 | |
|
|
1826 | if (w->wd < 0) |
|
|
1827 | { |
|
|
1828 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1829 | |
|
|
1830 | /* monitor some parent directory for speedup hints */ |
|
|
1831 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1832 | { |
|
|
1833 | char path [4096]; |
|
|
1834 | strcpy (path, w->path); |
|
|
1835 | |
|
|
1836 | do |
|
|
1837 | { |
|
|
1838 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1839 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1840 | |
|
|
1841 | char *pend = strrchr (path, '/'); |
|
|
1842 | |
|
|
1843 | if (!pend) |
|
|
1844 | break; /* whoops, no '/', complain to your admin */ |
|
|
1845 | |
|
|
1846 | *pend = 0; |
|
|
1847 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1848 | } |
|
|
1849 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1850 | } |
|
|
1851 | } |
|
|
1852 | else |
|
|
1853 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1854 | |
|
|
1855 | if (w->wd >= 0) |
|
|
1856 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1857 | } |
|
|
1858 | |
|
|
1859 | static void noinline |
|
|
1860 | infy_del (EV_P_ ev_stat *w) |
|
|
1861 | { |
|
|
1862 | int slot; |
|
|
1863 | int wd = w->wd; |
|
|
1864 | |
|
|
1865 | if (wd < 0) |
|
|
1866 | return; |
|
|
1867 | |
|
|
1868 | w->wd = -2; |
|
|
1869 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1870 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1871 | |
|
|
1872 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1873 | inotify_rm_watch (fs_fd, wd); |
|
|
1874 | } |
|
|
1875 | |
|
|
1876 | static void noinline |
|
|
1877 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1878 | { |
|
|
1879 | if (slot < 0) |
|
|
1880 | /* overflow, need to check for all hahs slots */ |
|
|
1881 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1882 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1883 | else |
|
|
1884 | { |
|
|
1885 | WL w_; |
|
|
1886 | |
|
|
1887 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1888 | { |
|
|
1889 | ev_stat *w = (ev_stat *)w_; |
|
|
1890 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1891 | |
|
|
1892 | if (w->wd == wd || wd == -1) |
|
|
1893 | { |
|
|
1894 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1895 | { |
|
|
1896 | w->wd = -1; |
|
|
1897 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1898 | } |
|
|
1899 | |
|
|
1900 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
1901 | } |
|
|
1902 | } |
|
|
1903 | } |
|
|
1904 | } |
|
|
1905 | |
|
|
1906 | static void |
|
|
1907 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1908 | { |
|
|
1909 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1910 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1911 | int ofs; |
|
|
1912 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1913 | |
|
|
1914 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1915 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1916 | } |
|
|
1917 | |
|
|
1918 | void inline_size |
|
|
1919 | infy_init (EV_P) |
|
|
1920 | { |
|
|
1921 | if (fs_fd != -2) |
|
|
1922 | return; |
|
|
1923 | |
|
|
1924 | fs_fd = inotify_init (); |
|
|
1925 | |
|
|
1926 | if (fs_fd >= 0) |
|
|
1927 | { |
|
|
1928 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1929 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1930 | ev_io_start (EV_A_ &fs_w); |
|
|
1931 | } |
|
|
1932 | } |
|
|
1933 | |
|
|
1934 | void inline_size |
|
|
1935 | infy_fork (EV_P) |
|
|
1936 | { |
|
|
1937 | int slot; |
|
|
1938 | |
|
|
1939 | if (fs_fd < 0) |
|
|
1940 | return; |
|
|
1941 | |
|
|
1942 | close (fs_fd); |
|
|
1943 | fs_fd = inotify_init (); |
|
|
1944 | |
|
|
1945 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1946 | { |
|
|
1947 | WL w_ = fs_hash [slot].head; |
|
|
1948 | fs_hash [slot].head = 0; |
|
|
1949 | |
|
|
1950 | while (w_) |
|
|
1951 | { |
|
|
1952 | ev_stat *w = (ev_stat *)w_; |
|
|
1953 | w_ = w_->next; /* lets us add this watcher */ |
|
|
1954 | |
|
|
1955 | w->wd = -1; |
|
|
1956 | |
|
|
1957 | if (fs_fd >= 0) |
|
|
1958 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1959 | else |
|
|
1960 | ev_timer_start (EV_A_ &w->timer); |
|
|
1961 | } |
|
|
1962 | |
|
|
1963 | } |
|
|
1964 | } |
|
|
1965 | |
|
|
1966 | #endif |
|
|
1967 | |
1676 | void |
1968 | void |
|
|
1969 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1970 | { |
|
|
1971 | if (lstat (w->path, &w->attr) < 0) |
|
|
1972 | w->attr.st_nlink = 0; |
|
|
1973 | else if (!w->attr.st_nlink) |
|
|
1974 | w->attr.st_nlink = 1; |
|
|
1975 | } |
|
|
1976 | |
|
|
1977 | static void noinline |
|
|
1978 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1979 | { |
|
|
1980 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1981 | |
|
|
1982 | /* we copy this here each the time so that */ |
|
|
1983 | /* prev has the old value when the callback gets invoked */ |
|
|
1984 | w->prev = w->attr; |
|
|
1985 | ev_stat_stat (EV_A_ w); |
|
|
1986 | |
|
|
1987 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
1988 | if ( |
|
|
1989 | w->prev.st_dev != w->attr.st_dev |
|
|
1990 | || w->prev.st_ino != w->attr.st_ino |
|
|
1991 | || w->prev.st_mode != w->attr.st_mode |
|
|
1992 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
1993 | || w->prev.st_uid != w->attr.st_uid |
|
|
1994 | || w->prev.st_gid != w->attr.st_gid |
|
|
1995 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
1996 | || w->prev.st_size != w->attr.st_size |
|
|
1997 | || w->prev.st_atime != w->attr.st_atime |
|
|
1998 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
1999 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
2000 | ) { |
|
|
2001 | #if EV_USE_INOTIFY |
|
|
2002 | infy_del (EV_A_ w); |
|
|
2003 | infy_add (EV_A_ w); |
|
|
2004 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2005 | #endif |
|
|
2006 | |
|
|
2007 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
2008 | } |
|
|
2009 | } |
|
|
2010 | |
|
|
2011 | void |
|
|
2012 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
2013 | { |
|
|
2014 | if (expect_false (ev_is_active (w))) |
|
|
2015 | return; |
|
|
2016 | |
|
|
2017 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2018 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2019 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2020 | |
|
|
2021 | ev_stat_stat (EV_A_ w); |
|
|
2022 | |
|
|
2023 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
2024 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2025 | |
|
|
2026 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
2027 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
2028 | |
|
|
2029 | #if EV_USE_INOTIFY |
|
|
2030 | infy_init (EV_A); |
|
|
2031 | |
|
|
2032 | if (fs_fd >= 0) |
|
|
2033 | infy_add (EV_A_ w); |
|
|
2034 | else |
|
|
2035 | #endif |
|
|
2036 | ev_timer_start (EV_A_ &w->timer); |
|
|
2037 | |
|
|
2038 | ev_start (EV_A_ (W)w, 1); |
|
|
2039 | } |
|
|
2040 | |
|
|
2041 | void |
|
|
2042 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
2043 | { |
|
|
2044 | clear_pending (EV_A_ (W)w); |
|
|
2045 | if (expect_false (!ev_is_active (w))) |
|
|
2046 | return; |
|
|
2047 | |
|
|
2048 | #if EV_USE_INOTIFY |
|
|
2049 | infy_del (EV_A_ w); |
|
|
2050 | #endif |
|
|
2051 | ev_timer_stop (EV_A_ &w->timer); |
|
|
2052 | |
|
|
2053 | ev_stop (EV_A_ (W)w); |
|
|
2054 | } |
|
|
2055 | #endif |
|
|
2056 | |
|
|
2057 | #if EV_IDLE_ENABLE |
|
|
2058 | void |
|
|
2059 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
2060 | { |
|
|
2061 | if (expect_false (ev_is_active (w))) |
|
|
2062 | return; |
|
|
2063 | |
|
|
2064 | pri_adjust (EV_A_ (W)w); |
|
|
2065 | |
|
|
2066 | { |
|
|
2067 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2068 | |
|
|
2069 | ++idleall; |
|
|
2070 | ev_start (EV_A_ (W)w, active); |
|
|
2071 | |
|
|
2072 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
|
|
2073 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2074 | } |
|
|
2075 | } |
|
|
2076 | |
|
|
2077 | void |
|
|
2078 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
2079 | { |
|
|
2080 | clear_pending (EV_A_ (W)w); |
|
|
2081 | if (expect_false (!ev_is_active (w))) |
|
|
2082 | return; |
|
|
2083 | |
|
|
2084 | { |
|
|
2085 | int active = ((W)w)->active; |
|
|
2086 | |
|
|
2087 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
|
|
2088 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2089 | |
|
|
2090 | ev_stop (EV_A_ (W)w); |
|
|
2091 | --idleall; |
|
|
2092 | } |
|
|
2093 | } |
|
|
2094 | #endif |
|
|
2095 | |
|
|
2096 | void |
|
|
2097 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
2098 | { |
|
|
2099 | if (expect_false (ev_is_active (w))) |
|
|
2100 | return; |
|
|
2101 | |
|
|
2102 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
2103 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
2104 | prepares [preparecnt - 1] = w; |
|
|
2105 | } |
|
|
2106 | |
|
|
2107 | void |
|
|
2108 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
2109 | { |
|
|
2110 | clear_pending (EV_A_ (W)w); |
|
|
2111 | if (expect_false (!ev_is_active (w))) |
|
|
2112 | return; |
|
|
2113 | |
|
|
2114 | { |
|
|
2115 | int active = ((W)w)->active; |
|
|
2116 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
2117 | ((W)prepares [active - 1])->active = active; |
|
|
2118 | } |
|
|
2119 | |
|
|
2120 | ev_stop (EV_A_ (W)w); |
|
|
2121 | } |
|
|
2122 | |
|
|
2123 | void |
|
|
2124 | ev_check_start (EV_P_ ev_check *w) |
|
|
2125 | { |
|
|
2126 | if (expect_false (ev_is_active (w))) |
|
|
2127 | return; |
|
|
2128 | |
|
|
2129 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
2130 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
2131 | checks [checkcnt - 1] = w; |
|
|
2132 | } |
|
|
2133 | |
|
|
2134 | void |
|
|
2135 | ev_check_stop (EV_P_ ev_check *w) |
|
|
2136 | { |
|
|
2137 | clear_pending (EV_A_ (W)w); |
|
|
2138 | if (expect_false (!ev_is_active (w))) |
|
|
2139 | return; |
|
|
2140 | |
|
|
2141 | { |
|
|
2142 | int active = ((W)w)->active; |
|
|
2143 | checks [active - 1] = checks [--checkcnt]; |
|
|
2144 | ((W)checks [active - 1])->active = active; |
|
|
2145 | } |
|
|
2146 | |
|
|
2147 | ev_stop (EV_A_ (W)w); |
|
|
2148 | } |
|
|
2149 | |
|
|
2150 | #if EV_EMBED_ENABLE |
|
|
2151 | void noinline |
1677 | ev_embed_loop (EV_P_ ev_embed *w) |
2152 | ev_embed_sweep (EV_P_ ev_embed *w) |
1678 | { |
2153 | { |
1679 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2154 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
1680 | } |
2155 | } |
1681 | |
2156 | |
1682 | static void |
2157 | static void |
… | |
… | |
1685 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2160 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
1686 | |
2161 | |
1687 | if (ev_cb (w)) |
2162 | if (ev_cb (w)) |
1688 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2163 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
1689 | else |
2164 | else |
1690 | ev_embed_loop (loop, w); |
2165 | ev_embed_sweep (loop, w); |
1691 | } |
2166 | } |
1692 | |
2167 | |
1693 | void |
2168 | void |
1694 | ev_embed_start (EV_P_ ev_embed *w) |
2169 | ev_embed_start (EV_P_ ev_embed *w) |
1695 | { |
2170 | { |
… | |
… | |
1702 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2177 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
1703 | } |
2178 | } |
1704 | |
2179 | |
1705 | ev_set_priority (&w->io, ev_priority (w)); |
2180 | ev_set_priority (&w->io, ev_priority (w)); |
1706 | ev_io_start (EV_A_ &w->io); |
2181 | ev_io_start (EV_A_ &w->io); |
|
|
2182 | |
1707 | ev_start (EV_A_ (W)w, 1); |
2183 | ev_start (EV_A_ (W)w, 1); |
1708 | } |
2184 | } |
1709 | |
2185 | |
1710 | void |
2186 | void |
1711 | ev_embed_stop (EV_P_ ev_embed *w) |
2187 | ev_embed_stop (EV_P_ ev_embed *w) |
1712 | { |
2188 | { |
1713 | ev_clear_pending (EV_A_ (W)w); |
2189 | clear_pending (EV_A_ (W)w); |
1714 | if (expect_false (!ev_is_active (w))) |
2190 | if (expect_false (!ev_is_active (w))) |
1715 | return; |
2191 | return; |
1716 | |
2192 | |
1717 | ev_io_stop (EV_A_ &w->io); |
2193 | ev_io_stop (EV_A_ &w->io); |
|
|
2194 | |
|
|
2195 | ev_stop (EV_A_ (W)w); |
|
|
2196 | } |
|
|
2197 | #endif |
|
|
2198 | |
|
|
2199 | #if EV_FORK_ENABLE |
|
|
2200 | void |
|
|
2201 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
2202 | { |
|
|
2203 | if (expect_false (ev_is_active (w))) |
|
|
2204 | return; |
|
|
2205 | |
|
|
2206 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2207 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2208 | forks [forkcnt - 1] = w; |
|
|
2209 | } |
|
|
2210 | |
|
|
2211 | void |
|
|
2212 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
2213 | { |
|
|
2214 | clear_pending (EV_A_ (W)w); |
|
|
2215 | if (expect_false (!ev_is_active (w))) |
|
|
2216 | return; |
|
|
2217 | |
|
|
2218 | { |
|
|
2219 | int active = ((W)w)->active; |
|
|
2220 | forks [active - 1] = forks [--forkcnt]; |
|
|
2221 | ((W)forks [active - 1])->active = active; |
|
|
2222 | } |
|
|
2223 | |
1718 | ev_stop (EV_A_ (W)w); |
2224 | ev_stop (EV_A_ (W)w); |
1719 | } |
2225 | } |
1720 | #endif |
2226 | #endif |
1721 | |
2227 | |
1722 | /*****************************************************************************/ |
2228 | /*****************************************************************************/ |