… | |
… | |
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 | /**/ |
|
|
220 | |
|
|
221 | /* |
|
|
222 | * This is used to avoid floating point rounding problems. |
|
|
223 | * It is added to ev_rt_now when scheduling periodics |
|
|
224 | * to ensure progress, time-wise, even when rounding |
|
|
225 | * errors are against us. |
|
|
226 | * This value is good at least till the year 4000. |
|
|
227 | * Better solutions welcome. |
|
|
228 | */ |
|
|
229 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
178 | |
230 | |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
231 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
180 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
232 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
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 */ |
233 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
183 | |
|
|
184 | #ifdef EV_H |
|
|
185 | # include EV_H |
|
|
186 | #else |
|
|
187 | # include "ev.h" |
|
|
188 | #endif |
|
|
189 | |
234 | |
190 | #if __GNUC__ >= 3 |
235 | #if __GNUC__ >= 3 |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
236 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
192 | # define inline static inline |
237 | # define noinline __attribute__ ((noinline)) |
193 | #else |
238 | #else |
194 | # define expect(expr,value) (expr) |
239 | # define expect(expr,value) (expr) |
195 | # define inline static |
240 | # define noinline |
|
|
241 | # if __STDC_VERSION__ < 199901L |
|
|
242 | # define inline |
|
|
243 | # endif |
196 | #endif |
244 | #endif |
197 | |
245 | |
198 | #define expect_false(expr) expect ((expr) != 0, 0) |
246 | #define expect_false(expr) expect ((expr) != 0, 0) |
199 | #define expect_true(expr) expect ((expr) != 0, 1) |
247 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
248 | #define inline_size static inline |
|
|
249 | |
|
|
250 | #if EV_MINIMAL |
|
|
251 | # define inline_speed static noinline |
|
|
252 | #else |
|
|
253 | # define inline_speed static inline |
|
|
254 | #endif |
200 | |
255 | |
201 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
256 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
257 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
203 | |
258 | |
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
259 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
205 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
260 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
206 | |
261 | |
207 | typedef ev_watcher *W; |
262 | typedef ev_watcher *W; |
208 | typedef ev_watcher_list *WL; |
263 | typedef ev_watcher_list *WL; |
209 | typedef ev_watcher_time *WT; |
264 | typedef ev_watcher_time *WT; |
… | |
… | |
216 | |
271 | |
217 | /*****************************************************************************/ |
272 | /*****************************************************************************/ |
218 | |
273 | |
219 | static void (*syserr_cb)(const char *msg); |
274 | static void (*syserr_cb)(const char *msg); |
220 | |
275 | |
|
|
276 | void |
221 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
277 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
222 | { |
278 | { |
223 | syserr_cb = cb; |
279 | syserr_cb = cb; |
224 | } |
280 | } |
225 | |
281 | |
226 | static void |
282 | static void noinline |
227 | syserr (const char *msg) |
283 | syserr (const char *msg) |
228 | { |
284 | { |
229 | if (!msg) |
285 | if (!msg) |
230 | msg = "(libev) system error"; |
286 | msg = "(libev) system error"; |
231 | |
287 | |
… | |
… | |
238 | } |
294 | } |
239 | } |
295 | } |
240 | |
296 | |
241 | static void *(*alloc)(void *ptr, long size); |
297 | static void *(*alloc)(void *ptr, long size); |
242 | |
298 | |
|
|
299 | void |
243 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
300 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
244 | { |
301 | { |
245 | alloc = cb; |
302 | alloc = cb; |
246 | } |
303 | } |
247 | |
304 | |
248 | static void * |
305 | inline_speed void * |
249 | ev_realloc (void *ptr, long size) |
306 | ev_realloc (void *ptr, long size) |
250 | { |
307 | { |
251 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
308 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
252 | |
309 | |
253 | if (!ptr && size) |
310 | if (!ptr && size) |
… | |
… | |
277 | typedef struct |
334 | typedef struct |
278 | { |
335 | { |
279 | W w; |
336 | W w; |
280 | int events; |
337 | int events; |
281 | } ANPENDING; |
338 | } ANPENDING; |
|
|
339 | |
|
|
340 | #if EV_USE_INOTIFY |
|
|
341 | typedef struct |
|
|
342 | { |
|
|
343 | WL head; |
|
|
344 | } ANFS; |
|
|
345 | #endif |
282 | |
346 | |
283 | #if EV_MULTIPLICITY |
347 | #if EV_MULTIPLICITY |
284 | |
348 | |
285 | struct ev_loop |
349 | struct ev_loop |
286 | { |
350 | { |
… | |
… | |
320 | gettimeofday (&tv, 0); |
384 | gettimeofday (&tv, 0); |
321 | return tv.tv_sec + tv.tv_usec * 1e-6; |
385 | return tv.tv_sec + tv.tv_usec * 1e-6; |
322 | #endif |
386 | #endif |
323 | } |
387 | } |
324 | |
388 | |
325 | inline ev_tstamp |
389 | ev_tstamp inline_size |
326 | get_clock (void) |
390 | get_clock (void) |
327 | { |
391 | { |
328 | #if EV_USE_MONOTONIC |
392 | #if EV_USE_MONOTONIC |
329 | if (expect_true (have_monotonic)) |
393 | if (expect_true (have_monotonic)) |
330 | { |
394 | { |
… | |
… | |
343 | { |
407 | { |
344 | return ev_rt_now; |
408 | return ev_rt_now; |
345 | } |
409 | } |
346 | #endif |
410 | #endif |
347 | |
411 | |
348 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
412 | int inline_size |
|
|
413 | array_nextsize (int elem, int cur, int cnt) |
|
|
414 | { |
|
|
415 | int ncur = cur + 1; |
|
|
416 | |
|
|
417 | do |
|
|
418 | ncur <<= 1; |
|
|
419 | while (cnt > ncur); |
|
|
420 | |
|
|
421 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
|
|
422 | if (elem * ncur > 4096) |
|
|
423 | { |
|
|
424 | ncur *= elem; |
|
|
425 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
|
|
426 | ncur = ncur - sizeof (void *) * 4; |
|
|
427 | ncur /= elem; |
|
|
428 | } |
|
|
429 | |
|
|
430 | return ncur; |
|
|
431 | } |
|
|
432 | |
|
|
433 | static noinline void * |
|
|
434 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
|
435 | { |
|
|
436 | *cur = array_nextsize (elem, *cur, cnt); |
|
|
437 | return ev_realloc (base, elem * *cur); |
|
|
438 | } |
349 | |
439 | |
350 | #define array_needsize(type,base,cur,cnt,init) \ |
440 | #define array_needsize(type,base,cur,cnt,init) \ |
351 | if (expect_false ((cnt) > cur)) \ |
441 | if (expect_false ((cnt) > (cur))) \ |
352 | { \ |
442 | { \ |
353 | int newcnt = cur; \ |
443 | int ocur_ = (cur); \ |
354 | do \ |
444 | (base) = (type *)array_realloc \ |
355 | { \ |
445 | (sizeof (type), (base), &(cur), (cnt)); \ |
356 | newcnt = array_roundsize (type, newcnt << 1); \ |
446 | 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 | } |
447 | } |
364 | |
448 | |
|
|
449 | #if 0 |
365 | #define array_slim(type,stem) \ |
450 | #define array_slim(type,stem) \ |
366 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
451 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
367 | { \ |
452 | { \ |
368 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
453 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
369 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
454 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
370 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
455 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
371 | } |
456 | } |
|
|
457 | #endif |
372 | |
458 | |
373 | #define array_free(stem, idx) \ |
459 | #define array_free(stem, idx) \ |
374 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
460 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
375 | |
461 | |
376 | /*****************************************************************************/ |
462 | /*****************************************************************************/ |
377 | |
463 | |
378 | static void |
464 | void noinline |
|
|
465 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
466 | { |
|
|
467 | W w_ = (W)w; |
|
|
468 | int pri = ABSPRI (w_); |
|
|
469 | |
|
|
470 | if (expect_false (w_->pending)) |
|
|
471 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
472 | else |
|
|
473 | { |
|
|
474 | w_->pending = ++pendingcnt [pri]; |
|
|
475 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
476 | pendings [pri][w_->pending - 1].w = w_; |
|
|
477 | pendings [pri][w_->pending - 1].events = revents; |
|
|
478 | } |
|
|
479 | } |
|
|
480 | |
|
|
481 | void inline_speed |
|
|
482 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
483 | { |
|
|
484 | int i; |
|
|
485 | |
|
|
486 | for (i = 0; i < eventcnt; ++i) |
|
|
487 | ev_feed_event (EV_A_ events [i], type); |
|
|
488 | } |
|
|
489 | |
|
|
490 | /*****************************************************************************/ |
|
|
491 | |
|
|
492 | void inline_size |
379 | anfds_init (ANFD *base, int count) |
493 | anfds_init (ANFD *base, int count) |
380 | { |
494 | { |
381 | while (count--) |
495 | while (count--) |
382 | { |
496 | { |
383 | base->head = 0; |
497 | base->head = 0; |
… | |
… | |
386 | |
500 | |
387 | ++base; |
501 | ++base; |
388 | } |
502 | } |
389 | } |
503 | } |
390 | |
504 | |
391 | void |
505 | void inline_speed |
392 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
393 | { |
|
|
394 | W w_ = (W)w; |
|
|
395 | |
|
|
396 | if (expect_false (w_->pending)) |
|
|
397 | { |
|
|
398 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
|
|
399 | return; |
|
|
400 | } |
|
|
401 | |
|
|
402 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
403 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
|
404 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
405 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
406 | } |
|
|
407 | |
|
|
408 | static void |
|
|
409 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
410 | { |
|
|
411 | int i; |
|
|
412 | |
|
|
413 | for (i = 0; i < eventcnt; ++i) |
|
|
414 | ev_feed_event (EV_A_ events [i], type); |
|
|
415 | } |
|
|
416 | |
|
|
417 | inline void |
|
|
418 | fd_event (EV_P_ int fd, int revents) |
506 | fd_event (EV_P_ int fd, int revents) |
419 | { |
507 | { |
420 | ANFD *anfd = anfds + fd; |
508 | ANFD *anfd = anfds + fd; |
421 | ev_io *w; |
509 | ev_io *w; |
422 | |
510 | |
… | |
… | |
430 | } |
518 | } |
431 | |
519 | |
432 | void |
520 | void |
433 | ev_feed_fd_event (EV_P_ int fd, int revents) |
521 | ev_feed_fd_event (EV_P_ int fd, int revents) |
434 | { |
522 | { |
|
|
523 | if (fd >= 0 && fd < anfdmax) |
435 | fd_event (EV_A_ fd, revents); |
524 | fd_event (EV_A_ fd, revents); |
436 | } |
525 | } |
437 | |
526 | |
438 | /*****************************************************************************/ |
527 | void inline_size |
439 | |
|
|
440 | inline void |
|
|
441 | fd_reify (EV_P) |
528 | fd_reify (EV_P) |
442 | { |
529 | { |
443 | int i; |
530 | int i; |
444 | |
531 | |
445 | for (i = 0; i < fdchangecnt; ++i) |
532 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
469 | } |
556 | } |
470 | |
557 | |
471 | fdchangecnt = 0; |
558 | fdchangecnt = 0; |
472 | } |
559 | } |
473 | |
560 | |
474 | static void |
561 | void inline_size |
475 | fd_change (EV_P_ int fd) |
562 | fd_change (EV_P_ int fd, int flags) |
476 | { |
563 | { |
477 | if (expect_false (anfds [fd].reify)) |
564 | unsigned char reify = anfds [fd].reify; |
478 | return; |
|
|
479 | |
|
|
480 | anfds [fd].reify = 1; |
565 | anfds [fd].reify |= flags | 1; |
481 | |
566 | |
|
|
567 | if (expect_true (!reify)) |
|
|
568 | { |
482 | ++fdchangecnt; |
569 | ++fdchangecnt; |
483 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
570 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
484 | fdchanges [fdchangecnt - 1] = fd; |
571 | fdchanges [fdchangecnt - 1] = fd; |
|
|
572 | } |
485 | } |
573 | } |
486 | |
574 | |
487 | static void |
575 | void inline_speed |
488 | fd_kill (EV_P_ int fd) |
576 | fd_kill (EV_P_ int fd) |
489 | { |
577 | { |
490 | ev_io *w; |
578 | ev_io *w; |
491 | |
579 | |
492 | while ((w = (ev_io *)anfds [fd].head)) |
580 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
494 | ev_io_stop (EV_A_ w); |
582 | ev_io_stop (EV_A_ w); |
495 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
583 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
496 | } |
584 | } |
497 | } |
585 | } |
498 | |
586 | |
499 | inline int |
587 | int inline_size |
500 | fd_valid (int fd) |
588 | fd_valid (int fd) |
501 | { |
589 | { |
502 | #ifdef _WIN32 |
590 | #ifdef _WIN32 |
503 | return _get_osfhandle (fd) != -1; |
591 | return _get_osfhandle (fd) != -1; |
504 | #else |
592 | #else |
505 | return fcntl (fd, F_GETFD) != -1; |
593 | return fcntl (fd, F_GETFD) != -1; |
506 | #endif |
594 | #endif |
507 | } |
595 | } |
508 | |
596 | |
509 | /* called on EBADF to verify fds */ |
597 | /* called on EBADF to verify fds */ |
510 | static void |
598 | static void noinline |
511 | fd_ebadf (EV_P) |
599 | fd_ebadf (EV_P) |
512 | { |
600 | { |
513 | int fd; |
601 | int fd; |
514 | |
602 | |
515 | for (fd = 0; fd < anfdmax; ++fd) |
603 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
517 | if (!fd_valid (fd) == -1 && errno == EBADF) |
605 | if (!fd_valid (fd) == -1 && errno == EBADF) |
518 | fd_kill (EV_A_ fd); |
606 | fd_kill (EV_A_ fd); |
519 | } |
607 | } |
520 | |
608 | |
521 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
609 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
522 | static void |
610 | static void noinline |
523 | fd_enomem (EV_P) |
611 | fd_enomem (EV_P) |
524 | { |
612 | { |
525 | int fd; |
613 | int fd; |
526 | |
614 | |
527 | for (fd = anfdmax; fd--; ) |
615 | for (fd = anfdmax; fd--; ) |
… | |
… | |
531 | return; |
619 | return; |
532 | } |
620 | } |
533 | } |
621 | } |
534 | |
622 | |
535 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
623 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
536 | static void |
624 | static void noinline |
537 | fd_rearm_all (EV_P) |
625 | fd_rearm_all (EV_P) |
538 | { |
626 | { |
539 | int fd; |
627 | int fd; |
540 | |
628 | |
541 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
542 | for (fd = 0; fd < anfdmax; ++fd) |
629 | for (fd = 0; fd < anfdmax; ++fd) |
543 | if (anfds [fd].events) |
630 | if (anfds [fd].events) |
544 | { |
631 | { |
545 | anfds [fd].events = 0; |
632 | anfds [fd].events = 0; |
546 | fd_change (EV_A_ fd); |
633 | fd_change (EV_A_ fd, EV_IOFDSET); |
547 | } |
634 | } |
548 | } |
635 | } |
549 | |
636 | |
550 | /*****************************************************************************/ |
637 | /*****************************************************************************/ |
551 | |
638 | |
552 | static void |
639 | void inline_speed |
553 | upheap (WT *heap, int k) |
640 | upheap (WT *heap, int k) |
554 | { |
641 | { |
555 | WT w = heap [k]; |
642 | WT w = heap [k]; |
556 | |
643 | |
557 | while (k && heap [k >> 1]->at > w->at) |
644 | while (k) |
558 | { |
645 | { |
|
|
646 | int p = (k - 1) >> 1; |
|
|
647 | |
|
|
648 | if (heap [p]->at <= w->at) |
|
|
649 | break; |
|
|
650 | |
559 | heap [k] = heap [k >> 1]; |
651 | heap [k] = heap [p]; |
560 | ((W)heap [k])->active = k + 1; |
652 | ((W)heap [k])->active = k + 1; |
561 | k >>= 1; |
653 | k = p; |
562 | } |
654 | } |
563 | |
655 | |
564 | heap [k] = w; |
656 | heap [k] = w; |
565 | ((W)heap [k])->active = k + 1; |
657 | ((W)heap [k])->active = k + 1; |
566 | |
|
|
567 | } |
658 | } |
568 | |
659 | |
569 | static void |
660 | void inline_speed |
570 | downheap (WT *heap, int N, int k) |
661 | downheap (WT *heap, int N, int k) |
571 | { |
662 | { |
572 | WT w = heap [k]; |
663 | WT w = heap [k]; |
573 | |
664 | |
574 | while (k < (N >> 1)) |
665 | for (;;) |
575 | { |
666 | { |
576 | int j = k << 1; |
667 | int c = (k << 1) + 1; |
577 | |
668 | |
578 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
669 | if (c >= N) |
579 | ++j; |
|
|
580 | |
|
|
581 | if (w->at <= heap [j]->at) |
|
|
582 | break; |
670 | break; |
583 | |
671 | |
|
|
672 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
673 | ? 1 : 0; |
|
|
674 | |
|
|
675 | if (w->at <= heap [c]->at) |
|
|
676 | break; |
|
|
677 | |
584 | heap [k] = heap [j]; |
678 | heap [k] = heap [c]; |
585 | ((W)heap [k])->active = k + 1; |
679 | ((W)heap [k])->active = k + 1; |
|
|
680 | |
586 | k = j; |
681 | k = c; |
587 | } |
682 | } |
588 | |
683 | |
589 | heap [k] = w; |
684 | heap [k] = w; |
590 | ((W)heap [k])->active = k + 1; |
685 | ((W)heap [k])->active = k + 1; |
591 | } |
686 | } |
592 | |
687 | |
593 | inline void |
688 | void inline_size |
594 | adjustheap (WT *heap, int N, int k) |
689 | adjustheap (WT *heap, int N, int k) |
595 | { |
690 | { |
596 | upheap (heap, k); |
691 | upheap (heap, k); |
597 | downheap (heap, N, k); |
692 | downheap (heap, N, k); |
598 | } |
693 | } |
… | |
… | |
610 | |
705 | |
611 | static int sigpipe [2]; |
706 | static int sigpipe [2]; |
612 | static sig_atomic_t volatile gotsig; |
707 | static sig_atomic_t volatile gotsig; |
613 | static ev_io sigev; |
708 | static ev_io sigev; |
614 | |
709 | |
615 | static void |
710 | void inline_size |
616 | signals_init (ANSIG *base, int count) |
711 | signals_init (ANSIG *base, int count) |
617 | { |
712 | { |
618 | while (count--) |
713 | while (count--) |
619 | { |
714 | { |
620 | base->head = 0; |
715 | base->head = 0; |
… | |
… | |
640 | write (sigpipe [1], &signum, 1); |
735 | write (sigpipe [1], &signum, 1); |
641 | errno = old_errno; |
736 | errno = old_errno; |
642 | } |
737 | } |
643 | } |
738 | } |
644 | |
739 | |
645 | void |
740 | void noinline |
646 | ev_feed_signal_event (EV_P_ int signum) |
741 | ev_feed_signal_event (EV_P_ int signum) |
647 | { |
742 | { |
648 | WL w; |
743 | WL w; |
649 | |
744 | |
650 | #if EV_MULTIPLICITY |
745 | #if EV_MULTIPLICITY |
… | |
… | |
673 | for (signum = signalmax; signum--; ) |
768 | for (signum = signalmax; signum--; ) |
674 | if (signals [signum].gotsig) |
769 | if (signals [signum].gotsig) |
675 | ev_feed_signal_event (EV_A_ signum + 1); |
770 | ev_feed_signal_event (EV_A_ signum + 1); |
676 | } |
771 | } |
677 | |
772 | |
678 | static void |
773 | void inline_speed |
679 | fd_intern (int fd) |
774 | fd_intern (int fd) |
680 | { |
775 | { |
681 | #ifdef _WIN32 |
776 | #ifdef _WIN32 |
682 | int arg = 1; |
777 | int arg = 1; |
683 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
778 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
685 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
780 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
686 | fcntl (fd, F_SETFL, O_NONBLOCK); |
781 | fcntl (fd, F_SETFL, O_NONBLOCK); |
687 | #endif |
782 | #endif |
688 | } |
783 | } |
689 | |
784 | |
690 | static void |
785 | static void noinline |
691 | siginit (EV_P) |
786 | siginit (EV_P) |
692 | { |
787 | { |
693 | fd_intern (sigpipe [0]); |
788 | fd_intern (sigpipe [0]); |
694 | fd_intern (sigpipe [1]); |
789 | fd_intern (sigpipe [1]); |
695 | |
790 | |
… | |
… | |
698 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
793 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
699 | } |
794 | } |
700 | |
795 | |
701 | /*****************************************************************************/ |
796 | /*****************************************************************************/ |
702 | |
797 | |
703 | static ev_child *childs [PID_HASHSIZE]; |
798 | static WL childs [EV_PID_HASHSIZE]; |
704 | |
799 | |
705 | #ifndef _WIN32 |
800 | #ifndef _WIN32 |
706 | |
801 | |
707 | static ev_signal childev; |
802 | static ev_signal childev; |
|
|
803 | |
|
|
804 | void inline_speed |
|
|
805 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
|
|
806 | { |
|
|
807 | ev_child *w; |
|
|
808 | |
|
|
809 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
810 | if (w->pid == pid || !w->pid) |
|
|
811 | { |
|
|
812 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
|
|
813 | w->rpid = pid; |
|
|
814 | w->rstatus = status; |
|
|
815 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
816 | } |
|
|
817 | } |
708 | |
818 | |
709 | #ifndef WCONTINUED |
819 | #ifndef WCONTINUED |
710 | # define WCONTINUED 0 |
820 | # define WCONTINUED 0 |
711 | #endif |
821 | #endif |
712 | |
822 | |
713 | static void |
823 | 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) |
824 | childcb (EV_P_ ev_signal *sw, int revents) |
730 | { |
825 | { |
731 | int pid, status; |
826 | int pid, status; |
732 | |
827 | |
|
|
828 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
733 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
829 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
734 | { |
830 | if (!WCONTINUED |
|
|
831 | || errno != EINVAL |
|
|
832 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
833 | return; |
|
|
834 | |
735 | /* make sure we are called again until all childs have been reaped */ |
835 | /* 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 */ |
836 | /* 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); |
837 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
738 | |
838 | |
739 | child_reap (EV_A_ sw, pid, pid, status); |
839 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
840 | 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 */ |
841 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
741 | } |
|
|
742 | } |
842 | } |
743 | |
843 | |
744 | #endif |
844 | #endif |
745 | |
845 | |
746 | /*****************************************************************************/ |
846 | /*****************************************************************************/ |
… | |
… | |
772 | { |
872 | { |
773 | return EV_VERSION_MINOR; |
873 | return EV_VERSION_MINOR; |
774 | } |
874 | } |
775 | |
875 | |
776 | /* return true if we are running with elevated privileges and should ignore env variables */ |
876 | /* return true if we are running with elevated privileges and should ignore env variables */ |
777 | static int |
877 | int inline_size |
778 | enable_secure (void) |
878 | enable_secure (void) |
779 | { |
879 | { |
780 | #ifdef _WIN32 |
880 | #ifdef _WIN32 |
781 | return 0; |
881 | return 0; |
782 | #else |
882 | #else |
… | |
… | |
829 | ev_backend (EV_P) |
929 | ev_backend (EV_P) |
830 | { |
930 | { |
831 | return backend; |
931 | return backend; |
832 | } |
932 | } |
833 | |
933 | |
834 | static void |
934 | unsigned int |
|
|
935 | ev_loop_count (EV_P) |
|
|
936 | { |
|
|
937 | return loop_count; |
|
|
938 | } |
|
|
939 | |
|
|
940 | static void noinline |
835 | loop_init (EV_P_ unsigned int flags) |
941 | loop_init (EV_P_ unsigned int flags) |
836 | { |
942 | { |
837 | if (!backend) |
943 | if (!backend) |
838 | { |
944 | { |
839 | #if EV_USE_MONOTONIC |
945 | #if EV_USE_MONOTONIC |
… | |
… | |
847 | ev_rt_now = ev_time (); |
953 | ev_rt_now = ev_time (); |
848 | mn_now = get_clock (); |
954 | mn_now = get_clock (); |
849 | now_floor = mn_now; |
955 | now_floor = mn_now; |
850 | rtmn_diff = ev_rt_now - mn_now; |
956 | rtmn_diff = ev_rt_now - mn_now; |
851 | |
957 | |
|
|
958 | /* pid check not overridable via env */ |
|
|
959 | #ifndef _WIN32 |
|
|
960 | if (flags & EVFLAG_FORKCHECK) |
|
|
961 | curpid = getpid (); |
|
|
962 | #endif |
|
|
963 | |
852 | if (!(flags & EVFLAG_NOENV) |
964 | if (!(flags & EVFLAG_NOENV) |
853 | && !enable_secure () |
965 | && !enable_secure () |
854 | && getenv ("LIBEV_FLAGS")) |
966 | && getenv ("LIBEV_FLAGS")) |
855 | flags = atoi (getenv ("LIBEV_FLAGS")); |
967 | flags = atoi (getenv ("LIBEV_FLAGS")); |
856 | |
968 | |
857 | if (!(flags & 0x0000ffffUL)) |
969 | if (!(flags & 0x0000ffffUL)) |
858 | flags |= ev_recommended_backends (); |
970 | flags |= ev_recommended_backends (); |
859 | |
971 | |
860 | backend = 0; |
972 | backend = 0; |
|
|
973 | backend_fd = -1; |
|
|
974 | #if EV_USE_INOTIFY |
|
|
975 | fs_fd = -2; |
|
|
976 | #endif |
|
|
977 | |
861 | #if EV_USE_PORT |
978 | #if EV_USE_PORT |
862 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
979 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
863 | #endif |
980 | #endif |
864 | #if EV_USE_KQUEUE |
981 | #if EV_USE_KQUEUE |
865 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
982 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
877 | ev_init (&sigev, sigcb); |
994 | ev_init (&sigev, sigcb); |
878 | ev_set_priority (&sigev, EV_MAXPRI); |
995 | ev_set_priority (&sigev, EV_MAXPRI); |
879 | } |
996 | } |
880 | } |
997 | } |
881 | |
998 | |
882 | static void |
999 | static void noinline |
883 | loop_destroy (EV_P) |
1000 | loop_destroy (EV_P) |
884 | { |
1001 | { |
885 | int i; |
1002 | int i; |
|
|
1003 | |
|
|
1004 | #if EV_USE_INOTIFY |
|
|
1005 | if (fs_fd >= 0) |
|
|
1006 | close (fs_fd); |
|
|
1007 | #endif |
|
|
1008 | |
|
|
1009 | if (backend_fd >= 0) |
|
|
1010 | close (backend_fd); |
886 | |
1011 | |
887 | #if EV_USE_PORT |
1012 | #if EV_USE_PORT |
888 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1013 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
889 | #endif |
1014 | #endif |
890 | #if EV_USE_KQUEUE |
1015 | #if EV_USE_KQUEUE |
… | |
… | |
899 | #if EV_USE_SELECT |
1024 | #if EV_USE_SELECT |
900 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1025 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
901 | #endif |
1026 | #endif |
902 | |
1027 | |
903 | for (i = NUMPRI; i--; ) |
1028 | for (i = NUMPRI; i--; ) |
|
|
1029 | { |
904 | array_free (pending, [i]); |
1030 | array_free (pending, [i]); |
|
|
1031 | #if EV_IDLE_ENABLE |
|
|
1032 | array_free (idle, [i]); |
|
|
1033 | #endif |
|
|
1034 | } |
905 | |
1035 | |
906 | /* have to use the microsoft-never-gets-it-right macro */ |
1036 | /* have to use the microsoft-never-gets-it-right macro */ |
907 | array_free (fdchange, EMPTY0); |
1037 | array_free (fdchange, EMPTY); |
908 | array_free (timer, EMPTY0); |
1038 | array_free (timer, EMPTY); |
909 | #if EV_PERIODICS |
1039 | #if EV_PERIODIC_ENABLE |
910 | array_free (periodic, EMPTY0); |
1040 | array_free (periodic, EMPTY); |
911 | #endif |
1041 | #endif |
912 | array_free (idle, EMPTY0); |
|
|
913 | array_free (prepare, EMPTY0); |
1042 | array_free (prepare, EMPTY); |
914 | array_free (check, EMPTY0); |
1043 | array_free (check, EMPTY); |
915 | |
1044 | |
916 | backend = 0; |
1045 | backend = 0; |
917 | } |
1046 | } |
918 | |
1047 | |
919 | static void |
1048 | void inline_size infy_fork (EV_P); |
|
|
1049 | |
|
|
1050 | void inline_size |
920 | loop_fork (EV_P) |
1051 | loop_fork (EV_P) |
921 | { |
1052 | { |
922 | #if EV_USE_PORT |
1053 | #if EV_USE_PORT |
923 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1054 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
924 | #endif |
1055 | #endif |
925 | #if EV_USE_KQUEUE |
1056 | #if EV_USE_KQUEUE |
926 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
1057 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
927 | #endif |
1058 | #endif |
928 | #if EV_USE_EPOLL |
1059 | #if EV_USE_EPOLL |
929 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
1060 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
|
|
1061 | #endif |
|
|
1062 | #if EV_USE_INOTIFY |
|
|
1063 | infy_fork (EV_A); |
930 | #endif |
1064 | #endif |
931 | |
1065 | |
932 | if (ev_is_active (&sigev)) |
1066 | if (ev_is_active (&sigev)) |
933 | { |
1067 | { |
934 | /* default loop */ |
1068 | /* default loop */ |
… | |
… | |
1050 | postfork = 1; |
1184 | postfork = 1; |
1051 | } |
1185 | } |
1052 | |
1186 | |
1053 | /*****************************************************************************/ |
1187 | /*****************************************************************************/ |
1054 | |
1188 | |
1055 | static int |
1189 | void |
1056 | any_pending (EV_P) |
1190 | ev_invoke (EV_P_ void *w, int revents) |
1057 | { |
1191 | { |
1058 | int pri; |
1192 | EV_CB_INVOKE ((W)w, revents); |
1059 | |
|
|
1060 | for (pri = NUMPRI; pri--; ) |
|
|
1061 | if (pendingcnt [pri]) |
|
|
1062 | return 1; |
|
|
1063 | |
|
|
1064 | return 0; |
|
|
1065 | } |
1193 | } |
1066 | |
1194 | |
1067 | inline void |
1195 | void inline_speed |
1068 | call_pending (EV_P) |
1196 | call_pending (EV_P) |
1069 | { |
1197 | { |
1070 | int pri; |
1198 | int pri; |
1071 | |
1199 | |
1072 | for (pri = NUMPRI; pri--; ) |
1200 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1074 | { |
1202 | { |
1075 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1203 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1076 | |
1204 | |
1077 | if (expect_true (p->w)) |
1205 | if (expect_true (p->w)) |
1078 | { |
1206 | { |
|
|
1207 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1208 | |
1079 | p->w->pending = 0; |
1209 | p->w->pending = 0; |
1080 | EV_CB_INVOKE (p->w, p->events); |
1210 | EV_CB_INVOKE (p->w, p->events); |
1081 | } |
1211 | } |
1082 | } |
1212 | } |
1083 | } |
1213 | } |
1084 | |
1214 | |
1085 | inline void |
1215 | void inline_size |
1086 | timers_reify (EV_P) |
1216 | timers_reify (EV_P) |
1087 | { |
1217 | { |
1088 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1218 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1089 | { |
1219 | { |
1090 | ev_timer *w = timers [0]; |
1220 | ev_timer *w = (ev_timer *)timers [0]; |
1091 | |
1221 | |
1092 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1222 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1093 | |
1223 | |
1094 | /* first reschedule or stop timer */ |
1224 | /* first reschedule or stop timer */ |
1095 | if (w->repeat) |
1225 | if (w->repeat) |
1096 | { |
1226 | { |
1097 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1227 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1098 | |
1228 | |
1099 | ((WT)w)->at += w->repeat; |
1229 | ((WT)w)->at += w->repeat; |
1100 | if (((WT)w)->at < mn_now) |
1230 | if (((WT)w)->at < mn_now) |
1101 | ((WT)w)->at = mn_now; |
1231 | ((WT)w)->at = mn_now; |
1102 | |
1232 | |
1103 | downheap ((WT *)timers, timercnt, 0); |
1233 | downheap (timers, timercnt, 0); |
1104 | } |
1234 | } |
1105 | else |
1235 | else |
1106 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1236 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1107 | |
1237 | |
1108 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1238 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1109 | } |
1239 | } |
1110 | } |
1240 | } |
1111 | |
1241 | |
1112 | #if EV_PERIODICS |
1242 | #if EV_PERIODIC_ENABLE |
1113 | inline void |
1243 | void inline_size |
1114 | periodics_reify (EV_P) |
1244 | periodics_reify (EV_P) |
1115 | { |
1245 | { |
1116 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1246 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1117 | { |
1247 | { |
1118 | ev_periodic *w = periodics [0]; |
1248 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1119 | |
1249 | |
1120 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1250 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1121 | |
1251 | |
1122 | /* first reschedule or stop timer */ |
1252 | /* first reschedule or stop timer */ |
1123 | if (w->reschedule_cb) |
1253 | if (w->reschedule_cb) |
1124 | { |
1254 | { |
1125 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1255 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1126 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1256 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1127 | downheap ((WT *)periodics, periodiccnt, 0); |
1257 | downheap (periodics, periodiccnt, 0); |
1128 | } |
1258 | } |
1129 | else if (w->interval) |
1259 | else if (w->interval) |
1130 | { |
1260 | { |
1131 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1261 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1262 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1132 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1263 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1133 | downheap ((WT *)periodics, periodiccnt, 0); |
1264 | downheap (periodics, periodiccnt, 0); |
1134 | } |
1265 | } |
1135 | else |
1266 | else |
1136 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1267 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1137 | |
1268 | |
1138 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1269 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1139 | } |
1270 | } |
1140 | } |
1271 | } |
1141 | |
1272 | |
1142 | static void |
1273 | static void noinline |
1143 | periodics_reschedule (EV_P) |
1274 | periodics_reschedule (EV_P) |
1144 | { |
1275 | { |
1145 | int i; |
1276 | int i; |
1146 | |
1277 | |
1147 | /* adjust periodics after time jump */ |
1278 | /* adjust periodics after time jump */ |
1148 | for (i = 0; i < periodiccnt; ++i) |
1279 | for (i = 0; i < periodiccnt; ++i) |
1149 | { |
1280 | { |
1150 | ev_periodic *w = periodics [i]; |
1281 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1151 | |
1282 | |
1152 | if (w->reschedule_cb) |
1283 | if (w->reschedule_cb) |
1153 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1284 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1154 | else if (w->interval) |
1285 | else if (w->interval) |
1155 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1286 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1156 | } |
1287 | } |
1157 | |
1288 | |
1158 | /* now rebuild the heap */ |
1289 | /* now rebuild the heap */ |
1159 | for (i = periodiccnt >> 1; i--; ) |
1290 | for (i = periodiccnt >> 1; i--; ) |
1160 | downheap ((WT *)periodics, periodiccnt, i); |
1291 | downheap (periodics, periodiccnt, i); |
1161 | } |
1292 | } |
1162 | #endif |
1293 | #endif |
1163 | |
1294 | |
1164 | inline int |
1295 | #if EV_IDLE_ENABLE |
1165 | time_update_monotonic (EV_P) |
1296 | void inline_size |
|
|
1297 | idle_reify (EV_P) |
1166 | { |
1298 | { |
|
|
1299 | if (expect_false (idleall)) |
|
|
1300 | { |
|
|
1301 | int pri; |
|
|
1302 | |
|
|
1303 | for (pri = NUMPRI; pri--; ) |
|
|
1304 | { |
|
|
1305 | if (pendingcnt [pri]) |
|
|
1306 | break; |
|
|
1307 | |
|
|
1308 | if (idlecnt [pri]) |
|
|
1309 | { |
|
|
1310 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1311 | break; |
|
|
1312 | } |
|
|
1313 | } |
|
|
1314 | } |
|
|
1315 | } |
|
|
1316 | #endif |
|
|
1317 | |
|
|
1318 | void inline_speed |
|
|
1319 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1320 | { |
|
|
1321 | int i; |
|
|
1322 | |
|
|
1323 | #if EV_USE_MONOTONIC |
|
|
1324 | if (expect_true (have_monotonic)) |
|
|
1325 | { |
|
|
1326 | ev_tstamp odiff = rtmn_diff; |
|
|
1327 | |
1167 | mn_now = get_clock (); |
1328 | mn_now = get_clock (); |
1168 | |
1329 | |
|
|
1330 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1331 | /* interpolate in the meantime */ |
1169 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1332 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1170 | { |
1333 | { |
1171 | ev_rt_now = rtmn_diff + mn_now; |
1334 | ev_rt_now = rtmn_diff + mn_now; |
1172 | return 0; |
1335 | return; |
1173 | } |
1336 | } |
1174 | else |
1337 | |
1175 | { |
|
|
1176 | now_floor = mn_now; |
1338 | now_floor = mn_now; |
1177 | ev_rt_now = ev_time (); |
1339 | ev_rt_now = ev_time (); |
1178 | return 1; |
|
|
1179 | } |
|
|
1180 | } |
|
|
1181 | |
1340 | |
1182 | inline void |
1341 | /* loop a few times, before making important decisions. |
1183 | time_update (EV_P) |
1342 | * on the choice of "4": one iteration isn't enough, |
1184 | { |
1343 | * in case we get preempted during the calls to |
1185 | int i; |
1344 | * ev_time and get_clock. a second call is almost guaranteed |
1186 | |
1345 | * to succeed in that case, though. and looping a few more times |
1187 | #if EV_USE_MONOTONIC |
1346 | * doesn't hurt either as we only do this on time-jumps or |
1188 | if (expect_true (have_monotonic)) |
1347 | * in the unlikely event of having been preempted here. |
1189 | { |
1348 | */ |
1190 | if (time_update_monotonic (EV_A)) |
1349 | for (i = 4; --i; ) |
1191 | { |
1350 | { |
1192 | ev_tstamp odiff = rtmn_diff; |
|
|
1193 | |
|
|
1194 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
|
|
1195 | { |
|
|
1196 | rtmn_diff = ev_rt_now - mn_now; |
1351 | rtmn_diff = ev_rt_now - mn_now; |
1197 | |
1352 | |
1198 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1353 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1199 | return; /* all is well */ |
1354 | return; /* all is well */ |
1200 | |
1355 | |
1201 | ev_rt_now = ev_time (); |
1356 | ev_rt_now = ev_time (); |
1202 | mn_now = get_clock (); |
1357 | mn_now = get_clock (); |
1203 | now_floor = mn_now; |
1358 | now_floor = mn_now; |
1204 | } |
1359 | } |
1205 | |
1360 | |
1206 | # if EV_PERIODICS |
1361 | # if EV_PERIODIC_ENABLE |
|
|
1362 | periodics_reschedule (EV_A); |
|
|
1363 | # endif |
|
|
1364 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1365 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1366 | } |
|
|
1367 | else |
|
|
1368 | #endif |
|
|
1369 | { |
|
|
1370 | ev_rt_now = ev_time (); |
|
|
1371 | |
|
|
1372 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
|
|
1373 | { |
|
|
1374 | #if EV_PERIODIC_ENABLE |
1207 | periodics_reschedule (EV_A); |
1375 | periodics_reschedule (EV_A); |
1208 | # endif |
1376 | #endif |
1209 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1210 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1211 | } |
|
|
1212 | } |
|
|
1213 | else |
|
|
1214 | #endif |
|
|
1215 | { |
|
|
1216 | ev_rt_now = ev_time (); |
|
|
1217 | |
|
|
1218 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
|
|
1219 | { |
|
|
1220 | #if EV_PERIODICS |
|
|
1221 | periodics_reschedule (EV_A); |
|
|
1222 | #endif |
|
|
1223 | |
|
|
1224 | /* adjust timers. this is easy, as the offset is the same for all */ |
1377 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1225 | for (i = 0; i < timercnt; ++i) |
1378 | for (i = 0; i < timercnt; ++i) |
1226 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1379 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1227 | } |
1380 | } |
1228 | |
1381 | |
1229 | mn_now = ev_rt_now; |
1382 | mn_now = ev_rt_now; |
… | |
… | |
1249 | { |
1402 | { |
1250 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1403 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1251 | ? EVUNLOOP_ONE |
1404 | ? EVUNLOOP_ONE |
1252 | : EVUNLOOP_CANCEL; |
1405 | : EVUNLOOP_CANCEL; |
1253 | |
1406 | |
1254 | while (activecnt) |
1407 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1408 | |
|
|
1409 | do |
1255 | { |
1410 | { |
|
|
1411 | #ifndef _WIN32 |
|
|
1412 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1413 | if (expect_false (getpid () != curpid)) |
|
|
1414 | { |
|
|
1415 | curpid = getpid (); |
|
|
1416 | postfork = 1; |
|
|
1417 | } |
|
|
1418 | #endif |
|
|
1419 | |
|
|
1420 | #if EV_FORK_ENABLE |
|
|
1421 | /* we might have forked, so queue fork handlers */ |
|
|
1422 | if (expect_false (postfork)) |
|
|
1423 | if (forkcnt) |
|
|
1424 | { |
|
|
1425 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1426 | call_pending (EV_A); |
|
|
1427 | } |
|
|
1428 | #endif |
|
|
1429 | |
1256 | /* queue check watchers (and execute them) */ |
1430 | /* queue prepare watchers (and execute them) */ |
1257 | if (expect_false (preparecnt)) |
1431 | if (expect_false (preparecnt)) |
1258 | { |
1432 | { |
1259 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1433 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1260 | call_pending (EV_A); |
1434 | call_pending (EV_A); |
1261 | } |
1435 | } |
1262 | |
1436 | |
|
|
1437 | if (expect_false (!activecnt)) |
|
|
1438 | break; |
|
|
1439 | |
1263 | /* we might have forked, so reify kernel state if necessary */ |
1440 | /* we might have forked, so reify kernel state if necessary */ |
1264 | if (expect_false (postfork)) |
1441 | if (expect_false (postfork)) |
1265 | loop_fork (EV_A); |
1442 | loop_fork (EV_A); |
1266 | |
1443 | |
1267 | /* update fd-related kernel structures */ |
1444 | /* update fd-related kernel structures */ |
1268 | fd_reify (EV_A); |
1445 | fd_reify (EV_A); |
1269 | |
1446 | |
1270 | /* calculate blocking time */ |
1447 | /* calculate blocking time */ |
1271 | { |
1448 | { |
1272 | double block; |
1449 | ev_tstamp block; |
1273 | |
1450 | |
1274 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1451 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1275 | block = 0.; /* do not block at all */ |
1452 | block = 0.; /* do not block at all */ |
1276 | else |
1453 | else |
1277 | { |
1454 | { |
1278 | /* update time to cancel out callback processing overhead */ |
1455 | /* update time to cancel out callback processing overhead */ |
1279 | #if EV_USE_MONOTONIC |
|
|
1280 | if (expect_true (have_monotonic)) |
|
|
1281 | time_update_monotonic (EV_A); |
1456 | time_update (EV_A_ 1e100); |
1282 | else |
|
|
1283 | #endif |
|
|
1284 | { |
|
|
1285 | ev_rt_now = ev_time (); |
|
|
1286 | mn_now = ev_rt_now; |
|
|
1287 | } |
|
|
1288 | |
1457 | |
1289 | block = MAX_BLOCKTIME; |
1458 | block = MAX_BLOCKTIME; |
1290 | |
1459 | |
1291 | if (timercnt) |
1460 | if (timercnt) |
1292 | { |
1461 | { |
1293 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1462 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1294 | if (block > to) block = to; |
1463 | if (block > to) block = to; |
1295 | } |
1464 | } |
1296 | |
1465 | |
1297 | #if EV_PERIODICS |
1466 | #if EV_PERIODIC_ENABLE |
1298 | if (periodiccnt) |
1467 | if (periodiccnt) |
1299 | { |
1468 | { |
1300 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1469 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1301 | if (block > to) block = to; |
1470 | if (block > to) block = to; |
1302 | } |
1471 | } |
1303 | #endif |
1472 | #endif |
1304 | |
1473 | |
1305 | if (expect_false (block < 0.)) block = 0.; |
1474 | if (expect_false (block < 0.)) block = 0.; |
1306 | } |
1475 | } |
1307 | |
1476 | |
|
|
1477 | ++loop_count; |
1308 | backend_poll (EV_A_ block); |
1478 | backend_poll (EV_A_ block); |
|
|
1479 | |
|
|
1480 | /* update ev_rt_now, do magic */ |
|
|
1481 | time_update (EV_A_ block); |
1309 | } |
1482 | } |
1310 | |
|
|
1311 | /* update ev_rt_now, do magic */ |
|
|
1312 | time_update (EV_A); |
|
|
1313 | |
1483 | |
1314 | /* queue pending timers and reschedule them */ |
1484 | /* queue pending timers and reschedule them */ |
1315 | timers_reify (EV_A); /* relative timers called last */ |
1485 | timers_reify (EV_A); /* relative timers called last */ |
1316 | #if EV_PERIODICS |
1486 | #if EV_PERIODIC_ENABLE |
1317 | periodics_reify (EV_A); /* absolute timers called first */ |
1487 | periodics_reify (EV_A); /* absolute timers called first */ |
1318 | #endif |
1488 | #endif |
1319 | |
1489 | |
|
|
1490 | #if EV_IDLE_ENABLE |
1320 | /* queue idle watchers unless other events are pending */ |
1491 | /* queue idle watchers unless other events are pending */ |
1321 | if (idlecnt && !any_pending (EV_A)) |
1492 | idle_reify (EV_A); |
1322 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1493 | #endif |
1323 | |
1494 | |
1324 | /* queue check watchers, to be executed first */ |
1495 | /* queue check watchers, to be executed first */ |
1325 | if (expect_false (checkcnt)) |
1496 | if (expect_false (checkcnt)) |
1326 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1497 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1327 | |
1498 | |
1328 | call_pending (EV_A); |
1499 | call_pending (EV_A); |
1329 | |
1500 | |
1330 | if (expect_false (loop_done)) |
|
|
1331 | break; |
|
|
1332 | } |
1501 | } |
|
|
1502 | while (expect_true (activecnt && !loop_done)); |
1333 | |
1503 | |
1334 | if (loop_done == EVUNLOOP_ONE) |
1504 | if (loop_done == EVUNLOOP_ONE) |
1335 | loop_done = EVUNLOOP_CANCEL; |
1505 | loop_done = EVUNLOOP_CANCEL; |
1336 | } |
1506 | } |
1337 | |
1507 | |
… | |
… | |
1341 | loop_done = how; |
1511 | loop_done = how; |
1342 | } |
1512 | } |
1343 | |
1513 | |
1344 | /*****************************************************************************/ |
1514 | /*****************************************************************************/ |
1345 | |
1515 | |
1346 | inline void |
1516 | void inline_size |
1347 | wlist_add (WL *head, WL elem) |
1517 | wlist_add (WL *head, WL elem) |
1348 | { |
1518 | { |
1349 | elem->next = *head; |
1519 | elem->next = *head; |
1350 | *head = elem; |
1520 | *head = elem; |
1351 | } |
1521 | } |
1352 | |
1522 | |
1353 | inline void |
1523 | void inline_size |
1354 | wlist_del (WL *head, WL elem) |
1524 | wlist_del (WL *head, WL elem) |
1355 | { |
1525 | { |
1356 | while (*head) |
1526 | while (*head) |
1357 | { |
1527 | { |
1358 | if (*head == elem) |
1528 | if (*head == elem) |
… | |
… | |
1363 | |
1533 | |
1364 | head = &(*head)->next; |
1534 | head = &(*head)->next; |
1365 | } |
1535 | } |
1366 | } |
1536 | } |
1367 | |
1537 | |
1368 | inline void |
1538 | void inline_speed |
1369 | ev_clear_pending (EV_P_ W w) |
1539 | clear_pending (EV_P_ W w) |
1370 | { |
1540 | { |
1371 | if (w->pending) |
1541 | if (w->pending) |
1372 | { |
1542 | { |
1373 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1543 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1374 | w->pending = 0; |
1544 | w->pending = 0; |
1375 | } |
1545 | } |
1376 | } |
1546 | } |
1377 | |
1547 | |
1378 | inline void |
1548 | int |
|
|
1549 | ev_clear_pending (EV_P_ void *w) |
|
|
1550 | { |
|
|
1551 | W w_ = (W)w; |
|
|
1552 | int pending = w_->pending; |
|
|
1553 | |
|
|
1554 | if (expect_true (pending)) |
|
|
1555 | { |
|
|
1556 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1557 | w_->pending = 0; |
|
|
1558 | p->w = 0; |
|
|
1559 | return p->events; |
|
|
1560 | } |
|
|
1561 | else |
|
|
1562 | return 0; |
|
|
1563 | } |
|
|
1564 | |
|
|
1565 | void inline_size |
|
|
1566 | pri_adjust (EV_P_ W w) |
|
|
1567 | { |
|
|
1568 | int pri = w->priority; |
|
|
1569 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1570 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1571 | w->priority = pri; |
|
|
1572 | } |
|
|
1573 | |
|
|
1574 | void inline_speed |
1379 | ev_start (EV_P_ W w, int active) |
1575 | ev_start (EV_P_ W w, int active) |
1380 | { |
1576 | { |
1381 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1577 | pri_adjust (EV_A_ w); |
1382 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1383 | |
|
|
1384 | w->active = active; |
1578 | w->active = active; |
1385 | ev_ref (EV_A); |
1579 | ev_ref (EV_A); |
1386 | } |
1580 | } |
1387 | |
1581 | |
1388 | inline void |
1582 | void inline_size |
1389 | ev_stop (EV_P_ W w) |
1583 | ev_stop (EV_P_ W w) |
1390 | { |
1584 | { |
1391 | ev_unref (EV_A); |
1585 | ev_unref (EV_A); |
1392 | w->active = 0; |
1586 | w->active = 0; |
1393 | } |
1587 | } |
1394 | |
1588 | |
1395 | /*****************************************************************************/ |
1589 | /*****************************************************************************/ |
1396 | |
1590 | |
1397 | void |
1591 | void noinline |
1398 | ev_io_start (EV_P_ ev_io *w) |
1592 | ev_io_start (EV_P_ ev_io *w) |
1399 | { |
1593 | { |
1400 | int fd = w->fd; |
1594 | int fd = w->fd; |
1401 | |
1595 | |
1402 | if (expect_false (ev_is_active (w))) |
1596 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1404 | |
1598 | |
1405 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1599 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1406 | |
1600 | |
1407 | ev_start (EV_A_ (W)w, 1); |
1601 | ev_start (EV_A_ (W)w, 1); |
1408 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1602 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1409 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1603 | wlist_add (&anfds[fd].head, (WL)w); |
1410 | |
1604 | |
1411 | fd_change (EV_A_ fd); |
1605 | fd_change (EV_A_ fd, w->events & EV_IOFDSET); |
|
|
1606 | w->events &= ~ EV_IOFDSET; |
1412 | } |
1607 | } |
1413 | |
1608 | |
1414 | void |
1609 | void noinline |
1415 | ev_io_stop (EV_P_ ev_io *w) |
1610 | ev_io_stop (EV_P_ ev_io *w) |
1416 | { |
1611 | { |
1417 | ev_clear_pending (EV_A_ (W)w); |
1612 | clear_pending (EV_A_ (W)w); |
1418 | if (expect_false (!ev_is_active (w))) |
1613 | if (expect_false (!ev_is_active (w))) |
1419 | return; |
1614 | return; |
1420 | |
1615 | |
1421 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1616 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1422 | |
1617 | |
1423 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1618 | wlist_del (&anfds[w->fd].head, (WL)w); |
1424 | ev_stop (EV_A_ (W)w); |
1619 | ev_stop (EV_A_ (W)w); |
1425 | |
1620 | |
1426 | fd_change (EV_A_ w->fd); |
1621 | fd_change (EV_A_ w->fd, 0); |
1427 | } |
1622 | } |
1428 | |
1623 | |
1429 | void |
1624 | void noinline |
1430 | ev_timer_start (EV_P_ ev_timer *w) |
1625 | ev_timer_start (EV_P_ ev_timer *w) |
1431 | { |
1626 | { |
1432 | if (expect_false (ev_is_active (w))) |
1627 | if (expect_false (ev_is_active (w))) |
1433 | return; |
1628 | return; |
1434 | |
1629 | |
1435 | ((WT)w)->at += mn_now; |
1630 | ((WT)w)->at += mn_now; |
1436 | |
1631 | |
1437 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1632 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1438 | |
1633 | |
1439 | ev_start (EV_A_ (W)w, ++timercnt); |
1634 | ev_start (EV_A_ (W)w, ++timercnt); |
1440 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1635 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1441 | timers [timercnt - 1] = w; |
1636 | timers [timercnt - 1] = (WT)w; |
1442 | upheap ((WT *)timers, timercnt - 1); |
1637 | upheap (timers, timercnt - 1); |
1443 | |
1638 | |
1444 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1639 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1445 | } |
1640 | } |
1446 | |
1641 | |
1447 | void |
1642 | void noinline |
1448 | ev_timer_stop (EV_P_ ev_timer *w) |
1643 | ev_timer_stop (EV_P_ ev_timer *w) |
1449 | { |
1644 | { |
1450 | ev_clear_pending (EV_A_ (W)w); |
1645 | clear_pending (EV_A_ (W)w); |
1451 | if (expect_false (!ev_is_active (w))) |
1646 | if (expect_false (!ev_is_active (w))) |
1452 | return; |
1647 | return; |
1453 | |
1648 | |
1454 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1649 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1455 | |
1650 | |
|
|
1651 | { |
|
|
1652 | int active = ((W)w)->active; |
|
|
1653 | |
1456 | if (expect_true (((W)w)->active < timercnt--)) |
1654 | if (expect_true (--active < --timercnt)) |
1457 | { |
1655 | { |
1458 | timers [((W)w)->active - 1] = timers [timercnt]; |
1656 | timers [active] = timers [timercnt]; |
1459 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1657 | adjustheap (timers, timercnt, active); |
1460 | } |
1658 | } |
|
|
1659 | } |
1461 | |
1660 | |
1462 | ((WT)w)->at -= mn_now; |
1661 | ((WT)w)->at -= mn_now; |
1463 | |
1662 | |
1464 | ev_stop (EV_A_ (W)w); |
1663 | ev_stop (EV_A_ (W)w); |
1465 | } |
1664 | } |
1466 | |
1665 | |
1467 | void |
1666 | void noinline |
1468 | ev_timer_again (EV_P_ ev_timer *w) |
1667 | ev_timer_again (EV_P_ ev_timer *w) |
1469 | { |
1668 | { |
1470 | if (ev_is_active (w)) |
1669 | if (ev_is_active (w)) |
1471 | { |
1670 | { |
1472 | if (w->repeat) |
1671 | if (w->repeat) |
1473 | { |
1672 | { |
1474 | ((WT)w)->at = mn_now + w->repeat; |
1673 | ((WT)w)->at = mn_now + w->repeat; |
1475 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1674 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1476 | } |
1675 | } |
1477 | else |
1676 | else |
1478 | ev_timer_stop (EV_A_ w); |
1677 | ev_timer_stop (EV_A_ w); |
1479 | } |
1678 | } |
1480 | else if (w->repeat) |
1679 | else if (w->repeat) |
… | |
… | |
1482 | w->at = w->repeat; |
1681 | w->at = w->repeat; |
1483 | ev_timer_start (EV_A_ w); |
1682 | ev_timer_start (EV_A_ w); |
1484 | } |
1683 | } |
1485 | } |
1684 | } |
1486 | |
1685 | |
1487 | #if EV_PERIODICS |
1686 | #if EV_PERIODIC_ENABLE |
1488 | void |
1687 | void noinline |
1489 | ev_periodic_start (EV_P_ ev_periodic *w) |
1688 | ev_periodic_start (EV_P_ ev_periodic *w) |
1490 | { |
1689 | { |
1491 | if (expect_false (ev_is_active (w))) |
1690 | if (expect_false (ev_is_active (w))) |
1492 | return; |
1691 | return; |
1493 | |
1692 | |
… | |
… | |
1495 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1694 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1496 | else if (w->interval) |
1695 | else if (w->interval) |
1497 | { |
1696 | { |
1498 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1697 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1499 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1698 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1500 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1699 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1501 | } |
1700 | } |
|
|
1701 | else |
|
|
1702 | ((WT)w)->at = w->offset; |
1502 | |
1703 | |
1503 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1704 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1504 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1705 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1505 | periodics [periodiccnt - 1] = w; |
1706 | periodics [periodiccnt - 1] = (WT)w; |
1506 | upheap ((WT *)periodics, periodiccnt - 1); |
1707 | upheap (periodics, periodiccnt - 1); |
1507 | |
1708 | |
1508 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1709 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1509 | } |
1710 | } |
1510 | |
1711 | |
1511 | void |
1712 | void noinline |
1512 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1713 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1513 | { |
1714 | { |
1514 | ev_clear_pending (EV_A_ (W)w); |
1715 | clear_pending (EV_A_ (W)w); |
1515 | if (expect_false (!ev_is_active (w))) |
1716 | if (expect_false (!ev_is_active (w))) |
1516 | return; |
1717 | return; |
1517 | |
1718 | |
1518 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1719 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1519 | |
1720 | |
|
|
1721 | { |
|
|
1722 | int active = ((W)w)->active; |
|
|
1723 | |
1520 | if (expect_true (((W)w)->active < periodiccnt--)) |
1724 | if (expect_true (--active < --periodiccnt)) |
1521 | { |
1725 | { |
1522 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1726 | periodics [active] = periodics [periodiccnt]; |
1523 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1727 | adjustheap (periodics, periodiccnt, active); |
1524 | } |
1728 | } |
|
|
1729 | } |
1525 | |
1730 | |
1526 | ev_stop (EV_A_ (W)w); |
1731 | ev_stop (EV_A_ (W)w); |
1527 | } |
1732 | } |
1528 | |
1733 | |
1529 | void |
1734 | void noinline |
1530 | ev_periodic_again (EV_P_ ev_periodic *w) |
1735 | ev_periodic_again (EV_P_ ev_periodic *w) |
1531 | { |
1736 | { |
1532 | /* TODO: use adjustheap and recalculation */ |
1737 | /* TODO: use adjustheap and recalculation */ |
1533 | ev_periodic_stop (EV_A_ w); |
1738 | ev_periodic_stop (EV_A_ w); |
1534 | ev_periodic_start (EV_A_ w); |
1739 | ev_periodic_start (EV_A_ w); |
1535 | } |
1740 | } |
1536 | #endif |
1741 | #endif |
1537 | |
1742 | |
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 | |
|
|
1604 | #ifndef SA_RESTART |
1743 | #ifndef SA_RESTART |
1605 | # define SA_RESTART 0 |
1744 | # define SA_RESTART 0 |
1606 | #endif |
1745 | #endif |
1607 | |
1746 | |
1608 | void |
1747 | void noinline |
1609 | ev_signal_start (EV_P_ ev_signal *w) |
1748 | ev_signal_start (EV_P_ ev_signal *w) |
1610 | { |
1749 | { |
1611 | #if EV_MULTIPLICITY |
1750 | #if EV_MULTIPLICITY |
1612 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1751 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1613 | #endif |
1752 | #endif |
1614 | if (expect_false (ev_is_active (w))) |
1753 | if (expect_false (ev_is_active (w))) |
1615 | return; |
1754 | return; |
1616 | |
1755 | |
1617 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1756 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1618 | |
1757 | |
|
|
1758 | { |
|
|
1759 | #ifndef _WIN32 |
|
|
1760 | sigset_t full, prev; |
|
|
1761 | sigfillset (&full); |
|
|
1762 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1763 | #endif |
|
|
1764 | |
|
|
1765 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1766 | |
|
|
1767 | #ifndef _WIN32 |
|
|
1768 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1769 | #endif |
|
|
1770 | } |
|
|
1771 | |
1619 | ev_start (EV_A_ (W)w, 1); |
1772 | ev_start (EV_A_ (W)w, 1); |
1620 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1621 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1773 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1622 | |
1774 | |
1623 | if (!((WL)w)->next) |
1775 | if (!((WL)w)->next) |
1624 | { |
1776 | { |
1625 | #if _WIN32 |
1777 | #if _WIN32 |
1626 | signal (w->signum, sighandler); |
1778 | signal (w->signum, sighandler); |
… | |
… | |
1632 | sigaction (w->signum, &sa, 0); |
1784 | sigaction (w->signum, &sa, 0); |
1633 | #endif |
1785 | #endif |
1634 | } |
1786 | } |
1635 | } |
1787 | } |
1636 | |
1788 | |
1637 | void |
1789 | void noinline |
1638 | ev_signal_stop (EV_P_ ev_signal *w) |
1790 | ev_signal_stop (EV_P_ ev_signal *w) |
1639 | { |
1791 | { |
1640 | ev_clear_pending (EV_A_ (W)w); |
1792 | clear_pending (EV_A_ (W)w); |
1641 | if (expect_false (!ev_is_active (w))) |
1793 | if (expect_false (!ev_is_active (w))) |
1642 | return; |
1794 | return; |
1643 | |
1795 | |
1644 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1796 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1645 | ev_stop (EV_A_ (W)w); |
1797 | ev_stop (EV_A_ (W)w); |
1646 | |
1798 | |
1647 | if (!signals [w->signum - 1].head) |
1799 | if (!signals [w->signum - 1].head) |
1648 | signal (w->signum, SIG_DFL); |
1800 | signal (w->signum, SIG_DFL); |
1649 | } |
1801 | } |
… | |
… | |
1656 | #endif |
1808 | #endif |
1657 | if (expect_false (ev_is_active (w))) |
1809 | if (expect_false (ev_is_active (w))) |
1658 | return; |
1810 | return; |
1659 | |
1811 | |
1660 | ev_start (EV_A_ (W)w, 1); |
1812 | ev_start (EV_A_ (W)w, 1); |
1661 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1813 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1662 | } |
1814 | } |
1663 | |
1815 | |
1664 | void |
1816 | void |
1665 | ev_child_stop (EV_P_ ev_child *w) |
1817 | ev_child_stop (EV_P_ ev_child *w) |
1666 | { |
1818 | { |
1667 | ev_clear_pending (EV_A_ (W)w); |
1819 | clear_pending (EV_A_ (W)w); |
1668 | if (expect_false (!ev_is_active (w))) |
1820 | if (expect_false (!ev_is_active (w))) |
1669 | return; |
1821 | return; |
1670 | |
1822 | |
1671 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1823 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1672 | ev_stop (EV_A_ (W)w); |
1824 | ev_stop (EV_A_ (W)w); |
1673 | } |
1825 | } |
1674 | |
1826 | |
1675 | #if EV_MULTIPLICITY |
1827 | #if EV_STAT_ENABLE |
|
|
1828 | |
|
|
1829 | # ifdef _WIN32 |
|
|
1830 | # undef lstat |
|
|
1831 | # define lstat(a,b) _stati64 (a,b) |
|
|
1832 | # endif |
|
|
1833 | |
|
|
1834 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1835 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1836 | |
|
|
1837 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1838 | |
|
|
1839 | #if EV_USE_INOTIFY |
|
|
1840 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1841 | |
|
|
1842 | static void noinline |
|
|
1843 | infy_add (EV_P_ ev_stat *w) |
|
|
1844 | { |
|
|
1845 | 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); |
|
|
1846 | |
|
|
1847 | if (w->wd < 0) |
|
|
1848 | { |
|
|
1849 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1850 | |
|
|
1851 | /* monitor some parent directory for speedup hints */ |
|
|
1852 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1853 | { |
|
|
1854 | char path [4096]; |
|
|
1855 | strcpy (path, w->path); |
|
|
1856 | |
|
|
1857 | do |
|
|
1858 | { |
|
|
1859 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1860 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1861 | |
|
|
1862 | char *pend = strrchr (path, '/'); |
|
|
1863 | |
|
|
1864 | if (!pend) |
|
|
1865 | break; /* whoops, no '/', complain to your admin */ |
|
|
1866 | |
|
|
1867 | *pend = 0; |
|
|
1868 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1869 | } |
|
|
1870 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1871 | } |
|
|
1872 | } |
|
|
1873 | else |
|
|
1874 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1875 | |
|
|
1876 | if (w->wd >= 0) |
|
|
1877 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1878 | } |
|
|
1879 | |
|
|
1880 | static void noinline |
|
|
1881 | infy_del (EV_P_ ev_stat *w) |
|
|
1882 | { |
|
|
1883 | int slot; |
|
|
1884 | int wd = w->wd; |
|
|
1885 | |
|
|
1886 | if (wd < 0) |
|
|
1887 | return; |
|
|
1888 | |
|
|
1889 | w->wd = -2; |
|
|
1890 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1891 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1892 | |
|
|
1893 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1894 | inotify_rm_watch (fs_fd, wd); |
|
|
1895 | } |
|
|
1896 | |
|
|
1897 | static void noinline |
|
|
1898 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1899 | { |
|
|
1900 | if (slot < 0) |
|
|
1901 | /* overflow, need to check for all hahs slots */ |
|
|
1902 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1903 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1904 | else |
|
|
1905 | { |
|
|
1906 | WL w_; |
|
|
1907 | |
|
|
1908 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1909 | { |
|
|
1910 | ev_stat *w = (ev_stat *)w_; |
|
|
1911 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1912 | |
|
|
1913 | if (w->wd == wd || wd == -1) |
|
|
1914 | { |
|
|
1915 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1916 | { |
|
|
1917 | w->wd = -1; |
|
|
1918 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1919 | } |
|
|
1920 | |
|
|
1921 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
1922 | } |
|
|
1923 | } |
|
|
1924 | } |
|
|
1925 | } |
|
|
1926 | |
|
|
1927 | static void |
|
|
1928 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1929 | { |
|
|
1930 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1931 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1932 | int ofs; |
|
|
1933 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1934 | |
|
|
1935 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1936 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1937 | } |
|
|
1938 | |
|
|
1939 | void inline_size |
|
|
1940 | infy_init (EV_P) |
|
|
1941 | { |
|
|
1942 | if (fs_fd != -2) |
|
|
1943 | return; |
|
|
1944 | |
|
|
1945 | fs_fd = inotify_init (); |
|
|
1946 | |
|
|
1947 | if (fs_fd >= 0) |
|
|
1948 | { |
|
|
1949 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1950 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1951 | ev_io_start (EV_A_ &fs_w); |
|
|
1952 | } |
|
|
1953 | } |
|
|
1954 | |
|
|
1955 | void inline_size |
|
|
1956 | infy_fork (EV_P) |
|
|
1957 | { |
|
|
1958 | int slot; |
|
|
1959 | |
|
|
1960 | if (fs_fd < 0) |
|
|
1961 | return; |
|
|
1962 | |
|
|
1963 | close (fs_fd); |
|
|
1964 | fs_fd = inotify_init (); |
|
|
1965 | |
|
|
1966 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1967 | { |
|
|
1968 | WL w_ = fs_hash [slot].head; |
|
|
1969 | fs_hash [slot].head = 0; |
|
|
1970 | |
|
|
1971 | while (w_) |
|
|
1972 | { |
|
|
1973 | ev_stat *w = (ev_stat *)w_; |
|
|
1974 | w_ = w_->next; /* lets us add this watcher */ |
|
|
1975 | |
|
|
1976 | w->wd = -1; |
|
|
1977 | |
|
|
1978 | if (fs_fd >= 0) |
|
|
1979 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1980 | else |
|
|
1981 | ev_timer_start (EV_A_ &w->timer); |
|
|
1982 | } |
|
|
1983 | |
|
|
1984 | } |
|
|
1985 | } |
|
|
1986 | |
|
|
1987 | #endif |
|
|
1988 | |
1676 | void |
1989 | void |
|
|
1990 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1991 | { |
|
|
1992 | if (lstat (w->path, &w->attr) < 0) |
|
|
1993 | w->attr.st_nlink = 0; |
|
|
1994 | else if (!w->attr.st_nlink) |
|
|
1995 | w->attr.st_nlink = 1; |
|
|
1996 | } |
|
|
1997 | |
|
|
1998 | static void noinline |
|
|
1999 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
2000 | { |
|
|
2001 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
2002 | |
|
|
2003 | /* we copy this here each the time so that */ |
|
|
2004 | /* prev has the old value when the callback gets invoked */ |
|
|
2005 | w->prev = w->attr; |
|
|
2006 | ev_stat_stat (EV_A_ w); |
|
|
2007 | |
|
|
2008 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
2009 | if ( |
|
|
2010 | w->prev.st_dev != w->attr.st_dev |
|
|
2011 | || w->prev.st_ino != w->attr.st_ino |
|
|
2012 | || w->prev.st_mode != w->attr.st_mode |
|
|
2013 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
2014 | || w->prev.st_uid != w->attr.st_uid |
|
|
2015 | || w->prev.st_gid != w->attr.st_gid |
|
|
2016 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
2017 | || w->prev.st_size != w->attr.st_size |
|
|
2018 | || w->prev.st_atime != w->attr.st_atime |
|
|
2019 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
2020 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
2021 | ) { |
|
|
2022 | #if EV_USE_INOTIFY |
|
|
2023 | infy_del (EV_A_ w); |
|
|
2024 | infy_add (EV_A_ w); |
|
|
2025 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2026 | #endif |
|
|
2027 | |
|
|
2028 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
2029 | } |
|
|
2030 | } |
|
|
2031 | |
|
|
2032 | void |
|
|
2033 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
2034 | { |
|
|
2035 | if (expect_false (ev_is_active (w))) |
|
|
2036 | return; |
|
|
2037 | |
|
|
2038 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2039 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2040 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2041 | |
|
|
2042 | ev_stat_stat (EV_A_ w); |
|
|
2043 | |
|
|
2044 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
2045 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2046 | |
|
|
2047 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
2048 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
2049 | |
|
|
2050 | #if EV_USE_INOTIFY |
|
|
2051 | infy_init (EV_A); |
|
|
2052 | |
|
|
2053 | if (fs_fd >= 0) |
|
|
2054 | infy_add (EV_A_ w); |
|
|
2055 | else |
|
|
2056 | #endif |
|
|
2057 | ev_timer_start (EV_A_ &w->timer); |
|
|
2058 | |
|
|
2059 | ev_start (EV_A_ (W)w, 1); |
|
|
2060 | } |
|
|
2061 | |
|
|
2062 | void |
|
|
2063 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
2064 | { |
|
|
2065 | clear_pending (EV_A_ (W)w); |
|
|
2066 | if (expect_false (!ev_is_active (w))) |
|
|
2067 | return; |
|
|
2068 | |
|
|
2069 | #if EV_USE_INOTIFY |
|
|
2070 | infy_del (EV_A_ w); |
|
|
2071 | #endif |
|
|
2072 | ev_timer_stop (EV_A_ &w->timer); |
|
|
2073 | |
|
|
2074 | ev_stop (EV_A_ (W)w); |
|
|
2075 | } |
|
|
2076 | #endif |
|
|
2077 | |
|
|
2078 | #if EV_IDLE_ENABLE |
|
|
2079 | void |
|
|
2080 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
2081 | { |
|
|
2082 | if (expect_false (ev_is_active (w))) |
|
|
2083 | return; |
|
|
2084 | |
|
|
2085 | pri_adjust (EV_A_ (W)w); |
|
|
2086 | |
|
|
2087 | { |
|
|
2088 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2089 | |
|
|
2090 | ++idleall; |
|
|
2091 | ev_start (EV_A_ (W)w, active); |
|
|
2092 | |
|
|
2093 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
|
|
2094 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2095 | } |
|
|
2096 | } |
|
|
2097 | |
|
|
2098 | void |
|
|
2099 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
2100 | { |
|
|
2101 | clear_pending (EV_A_ (W)w); |
|
|
2102 | if (expect_false (!ev_is_active (w))) |
|
|
2103 | return; |
|
|
2104 | |
|
|
2105 | { |
|
|
2106 | int active = ((W)w)->active; |
|
|
2107 | |
|
|
2108 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
|
|
2109 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2110 | |
|
|
2111 | ev_stop (EV_A_ (W)w); |
|
|
2112 | --idleall; |
|
|
2113 | } |
|
|
2114 | } |
|
|
2115 | #endif |
|
|
2116 | |
|
|
2117 | void |
|
|
2118 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
2119 | { |
|
|
2120 | if (expect_false (ev_is_active (w))) |
|
|
2121 | return; |
|
|
2122 | |
|
|
2123 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
2124 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
2125 | prepares [preparecnt - 1] = w; |
|
|
2126 | } |
|
|
2127 | |
|
|
2128 | void |
|
|
2129 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
2130 | { |
|
|
2131 | clear_pending (EV_A_ (W)w); |
|
|
2132 | if (expect_false (!ev_is_active (w))) |
|
|
2133 | return; |
|
|
2134 | |
|
|
2135 | { |
|
|
2136 | int active = ((W)w)->active; |
|
|
2137 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
2138 | ((W)prepares [active - 1])->active = active; |
|
|
2139 | } |
|
|
2140 | |
|
|
2141 | ev_stop (EV_A_ (W)w); |
|
|
2142 | } |
|
|
2143 | |
|
|
2144 | void |
|
|
2145 | ev_check_start (EV_P_ ev_check *w) |
|
|
2146 | { |
|
|
2147 | if (expect_false (ev_is_active (w))) |
|
|
2148 | return; |
|
|
2149 | |
|
|
2150 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
2151 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
2152 | checks [checkcnt - 1] = w; |
|
|
2153 | } |
|
|
2154 | |
|
|
2155 | void |
|
|
2156 | ev_check_stop (EV_P_ ev_check *w) |
|
|
2157 | { |
|
|
2158 | clear_pending (EV_A_ (W)w); |
|
|
2159 | if (expect_false (!ev_is_active (w))) |
|
|
2160 | return; |
|
|
2161 | |
|
|
2162 | { |
|
|
2163 | int active = ((W)w)->active; |
|
|
2164 | checks [active - 1] = checks [--checkcnt]; |
|
|
2165 | ((W)checks [active - 1])->active = active; |
|
|
2166 | } |
|
|
2167 | |
|
|
2168 | ev_stop (EV_A_ (W)w); |
|
|
2169 | } |
|
|
2170 | |
|
|
2171 | #if EV_EMBED_ENABLE |
|
|
2172 | void noinline |
1677 | ev_embed_loop (EV_P_ ev_embed *w) |
2173 | ev_embed_sweep (EV_P_ ev_embed *w) |
1678 | { |
2174 | { |
1679 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2175 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
1680 | } |
2176 | } |
1681 | |
2177 | |
1682 | static void |
2178 | static void |
… | |
… | |
1685 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2181 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
1686 | |
2182 | |
1687 | if (ev_cb (w)) |
2183 | if (ev_cb (w)) |
1688 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2184 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
1689 | else |
2185 | else |
1690 | ev_embed_loop (loop, w); |
2186 | ev_embed_sweep (loop, w); |
1691 | } |
2187 | } |
1692 | |
2188 | |
1693 | void |
2189 | void |
1694 | ev_embed_start (EV_P_ ev_embed *w) |
2190 | ev_embed_start (EV_P_ ev_embed *w) |
1695 | { |
2191 | { |
… | |
… | |
1702 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2198 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
1703 | } |
2199 | } |
1704 | |
2200 | |
1705 | ev_set_priority (&w->io, ev_priority (w)); |
2201 | ev_set_priority (&w->io, ev_priority (w)); |
1706 | ev_io_start (EV_A_ &w->io); |
2202 | ev_io_start (EV_A_ &w->io); |
|
|
2203 | |
1707 | ev_start (EV_A_ (W)w, 1); |
2204 | ev_start (EV_A_ (W)w, 1); |
1708 | } |
2205 | } |
1709 | |
2206 | |
1710 | void |
2207 | void |
1711 | ev_embed_stop (EV_P_ ev_embed *w) |
2208 | ev_embed_stop (EV_P_ ev_embed *w) |
1712 | { |
2209 | { |
1713 | ev_clear_pending (EV_A_ (W)w); |
2210 | clear_pending (EV_A_ (W)w); |
1714 | if (expect_false (!ev_is_active (w))) |
2211 | if (expect_false (!ev_is_active (w))) |
1715 | return; |
2212 | return; |
1716 | |
2213 | |
1717 | ev_io_stop (EV_A_ &w->io); |
2214 | ev_io_stop (EV_A_ &w->io); |
|
|
2215 | |
|
|
2216 | ev_stop (EV_A_ (W)w); |
|
|
2217 | } |
|
|
2218 | #endif |
|
|
2219 | |
|
|
2220 | #if EV_FORK_ENABLE |
|
|
2221 | void |
|
|
2222 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
2223 | { |
|
|
2224 | if (expect_false (ev_is_active (w))) |
|
|
2225 | return; |
|
|
2226 | |
|
|
2227 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2228 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2229 | forks [forkcnt - 1] = w; |
|
|
2230 | } |
|
|
2231 | |
|
|
2232 | void |
|
|
2233 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
2234 | { |
|
|
2235 | clear_pending (EV_A_ (W)w); |
|
|
2236 | if (expect_false (!ev_is_active (w))) |
|
|
2237 | return; |
|
|
2238 | |
|
|
2239 | { |
|
|
2240 | int active = ((W)w)->active; |
|
|
2241 | forks [active - 1] = forks [--forkcnt]; |
|
|
2242 | ((W)forks [active - 1])->active = active; |
|
|
2243 | } |
|
|
2244 | |
1718 | ev_stop (EV_A_ (W)w); |
2245 | ev_stop (EV_A_ (W)w); |
1719 | } |
2246 | } |
1720 | #endif |
2247 | #endif |
1721 | |
2248 | |
1722 | /*****************************************************************************/ |
2249 | /*****************************************************************************/ |