1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
47 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
48 | # else |
48 | # else |
49 | # include "config.h" |
49 | # include "config.h" |
50 | # endif |
50 | # endif |
51 | |
51 | |
|
|
52 | # if HAVE_CLOCK_SYSCALL |
|
|
53 | # ifndef EV_USE_CLOCK_SYSCALL |
|
|
54 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
55 | # ifndef EV_USE_REALTIME |
|
|
56 | # define EV_USE_REALTIME 0 |
|
|
57 | # endif |
|
|
58 | # ifndef EV_USE_MONOTONIC |
|
|
59 | # define EV_USE_MONOTONIC 1 |
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|
60 | # endif |
|
|
61 | # endif |
|
|
62 | # endif |
|
|
63 | |
52 | # if HAVE_CLOCK_GETTIME |
64 | # if HAVE_CLOCK_GETTIME |
53 | # ifndef EV_USE_MONOTONIC |
65 | # ifndef EV_USE_MONOTONIC |
54 | # define EV_USE_MONOTONIC 1 |
66 | # define EV_USE_MONOTONIC 1 |
55 | # endif |
67 | # endif |
56 | # ifndef EV_USE_REALTIME |
68 | # ifndef EV_USE_REALTIME |
57 | # define EV_USE_REALTIME 1 |
69 | # define EV_USE_REALTIME 0 |
58 | # endif |
70 | # endif |
59 | # else |
71 | # else |
60 | # ifndef EV_USE_MONOTONIC |
72 | # ifndef EV_USE_MONOTONIC |
61 | # define EV_USE_MONOTONIC 0 |
73 | # define EV_USE_MONOTONIC 0 |
62 | # endif |
74 | # endif |
… | |
… | |
126 | # define EV_USE_EVENTFD 1 |
138 | # define EV_USE_EVENTFD 1 |
127 | # else |
139 | # else |
128 | # define EV_USE_EVENTFD 0 |
140 | # define EV_USE_EVENTFD 0 |
129 | # endif |
141 | # endif |
130 | # endif |
142 | # endif |
131 | |
143 | |
132 | #endif |
144 | #endif |
133 | |
145 | |
134 | #include <math.h> |
146 | #include <math.h> |
135 | #include <stdlib.h> |
147 | #include <stdlib.h> |
136 | #include <fcntl.h> |
148 | #include <fcntl.h> |
… | |
… | |
154 | #ifndef _WIN32 |
166 | #ifndef _WIN32 |
155 | # include <sys/time.h> |
167 | # include <sys/time.h> |
156 | # include <sys/wait.h> |
168 | # include <sys/wait.h> |
157 | # include <unistd.h> |
169 | # include <unistd.h> |
158 | #else |
170 | #else |
|
|
171 | # include <io.h> |
159 | # define WIN32_LEAN_AND_MEAN |
172 | # define WIN32_LEAN_AND_MEAN |
160 | # include <windows.h> |
173 | # include <windows.h> |
161 | # ifndef EV_SELECT_IS_WINSOCKET |
174 | # ifndef EV_SELECT_IS_WINSOCKET |
162 | # define EV_SELECT_IS_WINSOCKET 1 |
175 | # define EV_SELECT_IS_WINSOCKET 1 |
163 | # endif |
176 | # endif |
164 | #endif |
177 | #endif |
165 | |
178 | |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
179 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
167 | |
180 | |
|
|
181 | #ifndef EV_USE_CLOCK_SYSCALL |
|
|
182 | # if __linux && __GLIBC__ >= 2 |
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|
183 | # define EV_USE_CLOCK_SYSCALL 1 |
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|
184 | # else |
|
|
185 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
186 | # endif |
|
|
187 | #endif |
|
|
188 | |
168 | #ifndef EV_USE_MONOTONIC |
189 | #ifndef EV_USE_MONOTONIC |
|
|
190 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
|
|
191 | # define EV_USE_MONOTONIC 1 |
|
|
192 | # else |
169 | # define EV_USE_MONOTONIC 0 |
193 | # define EV_USE_MONOTONIC 0 |
|
|
194 | # endif |
170 | #endif |
195 | #endif |
171 | |
196 | |
172 | #ifndef EV_USE_REALTIME |
197 | #ifndef EV_USE_REALTIME |
173 | # define EV_USE_REALTIME 0 |
198 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
174 | #endif |
199 | #endif |
175 | |
200 | |
176 | #ifndef EV_USE_NANOSLEEP |
201 | #ifndef EV_USE_NANOSLEEP |
|
|
202 | # if _POSIX_C_SOURCE >= 199309L |
|
|
203 | # define EV_USE_NANOSLEEP 1 |
|
|
204 | # else |
177 | # define EV_USE_NANOSLEEP 0 |
205 | # define EV_USE_NANOSLEEP 0 |
|
|
206 | # endif |
178 | #endif |
207 | #endif |
179 | |
208 | |
180 | #ifndef EV_USE_SELECT |
209 | #ifndef EV_USE_SELECT |
181 | # define EV_USE_SELECT 1 |
210 | # define EV_USE_SELECT 1 |
182 | #endif |
211 | #endif |
… | |
… | |
235 | # else |
264 | # else |
236 | # define EV_USE_EVENTFD 0 |
265 | # define EV_USE_EVENTFD 0 |
237 | # endif |
266 | # endif |
238 | #endif |
267 | #endif |
239 | |
268 | |
|
|
269 | #if 0 /* debugging */ |
|
|
270 | # define EV_VERIFY 3 |
|
|
271 | # define EV_USE_4HEAP 1 |
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|
272 | # define EV_HEAP_CACHE_AT 1 |
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273 | #endif |
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274 | |
|
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275 | #ifndef EV_VERIFY |
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|
276 | # define EV_VERIFY !EV_MINIMAL |
|
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277 | #endif |
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278 | |
240 | #ifndef EV_USE_4HEAP |
279 | #ifndef EV_USE_4HEAP |
241 | # define EV_USE_4HEAP !EV_MINIMAL |
280 | # define EV_USE_4HEAP !EV_MINIMAL |
242 | #endif |
281 | #endif |
243 | |
282 | |
244 | #ifndef EV_HEAP_CACHE_AT |
283 | #ifndef EV_HEAP_CACHE_AT |
… | |
… | |
267 | # include <sys/select.h> |
306 | # include <sys/select.h> |
268 | # endif |
307 | # endif |
269 | #endif |
308 | #endif |
270 | |
309 | |
271 | #if EV_USE_INOTIFY |
310 | #if EV_USE_INOTIFY |
|
|
311 | # include <sys/utsname.h> |
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|
312 | # include <sys/statfs.h> |
272 | # include <sys/inotify.h> |
313 | # include <sys/inotify.h> |
|
|
314 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
|
315 | # ifndef IN_DONT_FOLLOW |
|
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316 | # undef EV_USE_INOTIFY |
|
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317 | # define EV_USE_INOTIFY 0 |
|
|
318 | # endif |
273 | #endif |
319 | #endif |
274 | |
320 | |
275 | #if EV_SELECT_IS_WINSOCKET |
321 | #if EV_SELECT_IS_WINSOCKET |
276 | # include <winsock.h> |
322 | # include <winsock.h> |
|
|
323 | #endif |
|
|
324 | |
|
|
325 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
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|
326 | /* which makes programs even slower. might work on other unices, too. */ |
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327 | #if EV_USE_CLOCK_SYSCALL |
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328 | # include <syscall.h> |
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|
329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
330 | # undef EV_USE_MONOTONIC |
|
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331 | # define EV_USE_MONOTONIC 1 |
277 | #endif |
332 | #endif |
278 | |
333 | |
279 | #if EV_USE_EVENTFD |
334 | #if EV_USE_EVENTFD |
280 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
335 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
281 | # include <stdint.h> |
336 | # include <stdint.h> |
… | |
… | |
287 | } |
342 | } |
288 | # endif |
343 | # endif |
289 | #endif |
344 | #endif |
290 | |
345 | |
291 | /**/ |
346 | /**/ |
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|
347 | |
|
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348 | #if EV_VERIFY >= 3 |
|
|
349 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
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350 | #else |
|
|
351 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
352 | #endif |
292 | |
353 | |
293 | /* |
354 | /* |
294 | * This is used to avoid floating point rounding problems. |
355 | * This is used to avoid floating point rounding problems. |
295 | * It is added to ev_rt_now when scheduling periodics |
356 | * It is added to ev_rt_now when scheduling periodics |
296 | * to ensure progress, time-wise, even when rounding |
357 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
336 | typedef ev_watcher_time *WT; |
397 | typedef ev_watcher_time *WT; |
337 | |
398 | |
338 | #define ev_active(w) ((W)(w))->active |
399 | #define ev_active(w) ((W)(w))->active |
339 | #define ev_at(w) ((WT)(w))->at |
400 | #define ev_at(w) ((WT)(w))->at |
340 | |
401 | |
341 | #if EV_USE_MONOTONIC |
402 | #if EV_USE_REALTIME |
342 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
403 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
343 | /* giving it a reasonably high chance of working on typical architetcures */ |
404 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
|
405 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
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|
406 | #endif |
|
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407 | |
|
|
408 | #if EV_USE_MONOTONIC |
344 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
409 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
345 | #endif |
410 | #endif |
346 | |
411 | |
347 | #ifdef _WIN32 |
412 | #ifdef _WIN32 |
348 | # include "ev_win32.c" |
413 | # include "ev_win32.c" |
… | |
… | |
357 | { |
422 | { |
358 | syserr_cb = cb; |
423 | syserr_cb = cb; |
359 | } |
424 | } |
360 | |
425 | |
361 | static void noinline |
426 | static void noinline |
362 | syserr (const char *msg) |
427 | ev_syserr (const char *msg) |
363 | { |
428 | { |
364 | if (!msg) |
429 | if (!msg) |
365 | msg = "(libev) system error"; |
430 | msg = "(libev) system error"; |
366 | |
431 | |
367 | if (syserr_cb) |
432 | if (syserr_cb) |
… | |
… | |
418 | typedef struct |
483 | typedef struct |
419 | { |
484 | { |
420 | WL head; |
485 | WL head; |
421 | unsigned char events; |
486 | unsigned char events; |
422 | unsigned char reify; |
487 | unsigned char reify; |
|
|
488 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
|
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489 | unsigned char unused; |
|
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490 | #if EV_USE_EPOLL |
|
|
491 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
492 | #endif |
423 | #if EV_SELECT_IS_WINSOCKET |
493 | #if EV_SELECT_IS_WINSOCKET |
424 | SOCKET handle; |
494 | SOCKET handle; |
425 | #endif |
495 | #endif |
426 | } ANFD; |
496 | } ANFD; |
427 | |
497 | |
… | |
… | |
444 | typedef struct { |
514 | typedef struct { |
445 | ev_tstamp at; |
515 | ev_tstamp at; |
446 | WT w; |
516 | WT w; |
447 | } ANHE; |
517 | } ANHE; |
448 | |
518 | |
449 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
519 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
450 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
520 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
451 | #define ANHE_at_set(he) (he).at = (he).w->at /* update at from watcher */ |
521 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
452 | #else |
522 | #else |
453 | typedef WT ANHE; |
523 | typedef WT ANHE; |
454 | |
524 | |
455 | #define ANHE_w(he) (he) |
525 | #define ANHE_w(he) (he) |
456 | #define ANHE_at(he) (he)->at |
526 | #define ANHE_at(he) (he)->at |
457 | #define ANHE_at_set(he) |
527 | #define ANHE_at_cache(he) |
458 | #endif |
528 | #endif |
459 | |
529 | |
460 | #if EV_MULTIPLICITY |
530 | #if EV_MULTIPLICITY |
461 | |
531 | |
462 | struct ev_loop |
532 | struct ev_loop |
… | |
… | |
487 | |
557 | |
488 | ev_tstamp |
558 | ev_tstamp |
489 | ev_time (void) |
559 | ev_time (void) |
490 | { |
560 | { |
491 | #if EV_USE_REALTIME |
561 | #if EV_USE_REALTIME |
|
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562 | if (expect_true (have_realtime)) |
|
|
563 | { |
492 | struct timespec ts; |
564 | struct timespec ts; |
493 | clock_gettime (CLOCK_REALTIME, &ts); |
565 | clock_gettime (CLOCK_REALTIME, &ts); |
494 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
566 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
495 | #else |
567 | } |
|
|
568 | #endif |
|
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569 | |
496 | struct timeval tv; |
570 | struct timeval tv; |
497 | gettimeofday (&tv, 0); |
571 | gettimeofday (&tv, 0); |
498 | return tv.tv_sec + tv.tv_usec * 1e-6; |
572 | return tv.tv_sec + tv.tv_usec * 1e-6; |
499 | #endif |
|
|
500 | } |
573 | } |
501 | |
574 | |
502 | ev_tstamp inline_size |
575 | ev_tstamp inline_size |
503 | get_clock (void) |
576 | get_clock (void) |
504 | { |
577 | { |
… | |
… | |
540 | struct timeval tv; |
613 | struct timeval tv; |
541 | |
614 | |
542 | tv.tv_sec = (time_t)delay; |
615 | tv.tv_sec = (time_t)delay; |
543 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
616 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
544 | |
617 | |
|
|
618 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
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619 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
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620 | /* by older ones */ |
545 | select (0, 0, 0, 0, &tv); |
621 | select (0, 0, 0, 0, &tv); |
546 | #endif |
622 | #endif |
547 | } |
623 | } |
548 | } |
624 | } |
549 | |
625 | |
… | |
… | |
576 | array_realloc (int elem, void *base, int *cur, int cnt) |
652 | array_realloc (int elem, void *base, int *cur, int cnt) |
577 | { |
653 | { |
578 | *cur = array_nextsize (elem, *cur, cnt); |
654 | *cur = array_nextsize (elem, *cur, cnt); |
579 | return ev_realloc (base, elem * *cur); |
655 | return ev_realloc (base, elem * *cur); |
580 | } |
656 | } |
|
|
657 | |
|
|
658 | #define array_init_zero(base,count) \ |
|
|
659 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
581 | |
660 | |
582 | #define array_needsize(type,base,cur,cnt,init) \ |
661 | #define array_needsize(type,base,cur,cnt,init) \ |
583 | if (expect_false ((cnt) > (cur))) \ |
662 | if (expect_false ((cnt) > (cur))) \ |
584 | { \ |
663 | { \ |
585 | int ocur_ = (cur); \ |
664 | int ocur_ = (cur); \ |
… | |
… | |
597 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
676 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
598 | } |
677 | } |
599 | #endif |
678 | #endif |
600 | |
679 | |
601 | #define array_free(stem, idx) \ |
680 | #define array_free(stem, idx) \ |
602 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
681 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
603 | |
682 | |
604 | /*****************************************************************************/ |
683 | /*****************************************************************************/ |
605 | |
684 | |
606 | void noinline |
685 | void noinline |
607 | ev_feed_event (EV_P_ void *w, int revents) |
686 | ev_feed_event (EV_P_ void *w, int revents) |
… | |
… | |
629 | ev_feed_event (EV_A_ events [i], type); |
708 | ev_feed_event (EV_A_ events [i], type); |
630 | } |
709 | } |
631 | |
710 | |
632 | /*****************************************************************************/ |
711 | /*****************************************************************************/ |
633 | |
712 | |
634 | void inline_size |
|
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635 | anfds_init (ANFD *base, int count) |
|
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636 | { |
|
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637 | while (count--) |
|
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638 | { |
|
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639 | base->head = 0; |
|
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640 | base->events = EV_NONE; |
|
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641 | base->reify = 0; |
|
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642 | |
|
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643 | ++base; |
|
|
644 | } |
|
|
645 | } |
|
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646 | |
|
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647 | void inline_speed |
713 | void inline_speed |
648 | fd_event (EV_P_ int fd, int revents) |
714 | fd_event (EV_P_ int fd, int revents) |
649 | { |
715 | { |
650 | ANFD *anfd = anfds + fd; |
716 | ANFD *anfd = anfds + fd; |
651 | ev_io *w; |
717 | ev_io *w; |
… | |
… | |
683 | events |= (unsigned char)w->events; |
749 | events |= (unsigned char)w->events; |
684 | |
750 | |
685 | #if EV_SELECT_IS_WINSOCKET |
751 | #if EV_SELECT_IS_WINSOCKET |
686 | if (events) |
752 | if (events) |
687 | { |
753 | { |
688 | unsigned long argp; |
754 | unsigned long arg; |
689 | #ifdef EV_FD_TO_WIN32_HANDLE |
755 | #ifdef EV_FD_TO_WIN32_HANDLE |
690 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
756 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
691 | #else |
757 | #else |
692 | anfd->handle = _get_osfhandle (fd); |
758 | anfd->handle = _get_osfhandle (fd); |
693 | #endif |
759 | #endif |
694 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
760 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
695 | } |
761 | } |
696 | #endif |
762 | #endif |
697 | |
763 | |
698 | { |
764 | { |
699 | unsigned char o_events = anfd->events; |
765 | unsigned char o_events = anfd->events; |
… | |
… | |
752 | { |
818 | { |
753 | int fd; |
819 | int fd; |
754 | |
820 | |
755 | for (fd = 0; fd < anfdmax; ++fd) |
821 | for (fd = 0; fd < anfdmax; ++fd) |
756 | if (anfds [fd].events) |
822 | if (anfds [fd].events) |
757 | if (!fd_valid (fd) == -1 && errno == EBADF) |
823 | if (!fd_valid (fd) && errno == EBADF) |
758 | fd_kill (EV_A_ fd); |
824 | fd_kill (EV_A_ fd); |
759 | } |
825 | } |
760 | |
826 | |
761 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
827 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
762 | static void noinline |
828 | static void noinline |
… | |
… | |
780 | |
846 | |
781 | for (fd = 0; fd < anfdmax; ++fd) |
847 | for (fd = 0; fd < anfdmax; ++fd) |
782 | if (anfds [fd].events) |
848 | if (anfds [fd].events) |
783 | { |
849 | { |
784 | anfds [fd].events = 0; |
850 | anfds [fd].events = 0; |
|
|
851 | anfds [fd].emask = 0; |
785 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
852 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
786 | } |
853 | } |
787 | } |
854 | } |
788 | |
855 | |
789 | /*****************************************************************************/ |
856 | /*****************************************************************************/ |
… | |
… | |
802 | */ |
869 | */ |
803 | #if EV_USE_4HEAP |
870 | #if EV_USE_4HEAP |
804 | |
871 | |
805 | #define DHEAP 4 |
872 | #define DHEAP 4 |
806 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
873 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
807 | |
874 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
808 | /* towards the root */ |
875 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
809 | void inline_speed |
|
|
810 | upheap (ANHE *heap, int k) |
|
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811 | { |
|
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812 | ANHE he = heap [k]; |
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813 | |
|
|
814 | for (;;) |
|
|
815 | { |
|
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816 | int p = ((k - HEAP0 - 1) / DHEAP) + HEAP0; |
|
|
817 | |
|
|
818 | if (p == k || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
819 | break; |
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|
820 | |
|
|
821 | heap [k] = heap [p]; |
|
|
822 | ev_active (ANHE_w (heap [k])) = k; |
|
|
823 | k = p; |
|
|
824 | } |
|
|
825 | |
|
|
826 | ev_active (ANHE_w (he)) = k; |
|
|
827 | heap [k] = he; |
|
|
828 | } |
|
|
829 | |
876 | |
830 | /* away from the root */ |
877 | /* away from the root */ |
831 | void inline_speed |
878 | void inline_speed |
832 | downheap (ANHE *heap, int N, int k) |
879 | downheap (ANHE *heap, int N, int k) |
833 | { |
880 | { |
… | |
… | |
836 | |
883 | |
837 | for (;;) |
884 | for (;;) |
838 | { |
885 | { |
839 | ev_tstamp minat; |
886 | ev_tstamp minat; |
840 | ANHE *minpos; |
887 | ANHE *minpos; |
841 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0; |
888 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
842 | |
889 | |
843 | // find minimum child |
890 | /* find minimum child */ |
844 | if (expect_true (pos + DHEAP - 1 < E)) |
891 | if (expect_true (pos + DHEAP - 1 < E)) |
845 | { |
892 | { |
846 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
893 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
847 | if (ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
894 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
848 | if (ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
895 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
849 | if (ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
896 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
850 | } |
897 | } |
851 | else if (pos < E) |
898 | else if (pos < E) |
852 | { |
899 | { |
853 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
900 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
854 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
901 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
… | |
… | |
859 | break; |
906 | break; |
860 | |
907 | |
861 | if (ANHE_at (he) <= minat) |
908 | if (ANHE_at (he) <= minat) |
862 | break; |
909 | break; |
863 | |
910 | |
|
|
911 | heap [k] = *minpos; |
864 | ev_active (ANHE_w (*minpos)) = k; |
912 | ev_active (ANHE_w (*minpos)) = k; |
865 | heap [k] = *minpos; |
|
|
866 | |
913 | |
867 | k = minpos - heap; |
914 | k = minpos - heap; |
868 | } |
915 | } |
869 | |
916 | |
|
|
917 | heap [k] = he; |
870 | ev_active (ANHE_w (he)) = k; |
918 | ev_active (ANHE_w (he)) = k; |
871 | heap [k] = he; |
|
|
872 | } |
919 | } |
873 | |
920 | |
874 | #else // 4HEAP |
921 | #else /* 4HEAP */ |
875 | |
922 | |
876 | #define HEAP0 1 |
923 | #define HEAP0 1 |
877 | |
924 | #define HPARENT(k) ((k) >> 1) |
878 | /* towards the root */ |
925 | #define UPHEAP_DONE(p,k) (!(p)) |
879 | void inline_speed |
|
|
880 | upheap (ANHE *heap, int k) |
|
|
881 | { |
|
|
882 | ANHE he = heap [k]; |
|
|
883 | |
|
|
884 | for (;;) |
|
|
885 | { |
|
|
886 | int p = k >> 1; |
|
|
887 | |
|
|
888 | /* maybe we could use a dummy element at heap [0]? */ |
|
|
889 | if (!p || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
890 | break; |
|
|
891 | |
|
|
892 | heap [k] = heap [p]; |
|
|
893 | ev_active (ANHE_w (heap [k])) = k; |
|
|
894 | k = p; |
|
|
895 | } |
|
|
896 | |
|
|
897 | heap [k] = he; |
|
|
898 | ev_active (ANHE_w (heap [k])) = k; |
|
|
899 | } |
|
|
900 | |
926 | |
901 | /* away from the root */ |
927 | /* away from the root */ |
902 | void inline_speed |
928 | void inline_speed |
903 | downheap (ANHE *heap, int N, int k) |
929 | downheap (ANHE *heap, int N, int k) |
904 | { |
930 | { |
… | |
… | |
906 | |
932 | |
907 | for (;;) |
933 | for (;;) |
908 | { |
934 | { |
909 | int c = k << 1; |
935 | int c = k << 1; |
910 | |
936 | |
911 | if (c > N) |
937 | if (c > N + HEAP0 - 1) |
912 | break; |
938 | break; |
913 | |
939 | |
914 | c += c + 1 < N && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
940 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
915 | ? 1 : 0; |
941 | ? 1 : 0; |
916 | |
942 | |
917 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
943 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
918 | break; |
944 | break; |
919 | |
945 | |
… | |
… | |
926 | heap [k] = he; |
952 | heap [k] = he; |
927 | ev_active (ANHE_w (he)) = k; |
953 | ev_active (ANHE_w (he)) = k; |
928 | } |
954 | } |
929 | #endif |
955 | #endif |
930 | |
956 | |
|
|
957 | /* towards the root */ |
|
|
958 | void inline_speed |
|
|
959 | upheap (ANHE *heap, int k) |
|
|
960 | { |
|
|
961 | ANHE he = heap [k]; |
|
|
962 | |
|
|
963 | for (;;) |
|
|
964 | { |
|
|
965 | int p = HPARENT (k); |
|
|
966 | |
|
|
967 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
968 | break; |
|
|
969 | |
|
|
970 | heap [k] = heap [p]; |
|
|
971 | ev_active (ANHE_w (heap [k])) = k; |
|
|
972 | k = p; |
|
|
973 | } |
|
|
974 | |
|
|
975 | heap [k] = he; |
|
|
976 | ev_active (ANHE_w (he)) = k; |
|
|
977 | } |
|
|
978 | |
931 | void inline_size |
979 | void inline_size |
932 | adjustheap (ANHE *heap, int N, int k) |
980 | adjustheap (ANHE *heap, int N, int k) |
933 | { |
981 | { |
|
|
982 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
934 | upheap (heap, k); |
983 | upheap (heap, k); |
|
|
984 | else |
935 | downheap (heap, N, k); |
985 | downheap (heap, N, k); |
|
|
986 | } |
|
|
987 | |
|
|
988 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
989 | void inline_size |
|
|
990 | reheap (ANHE *heap, int N) |
|
|
991 | { |
|
|
992 | int i; |
|
|
993 | |
|
|
994 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
995 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
996 | for (i = 0; i < N; ++i) |
|
|
997 | upheap (heap, i + HEAP0); |
936 | } |
998 | } |
937 | |
999 | |
938 | /*****************************************************************************/ |
1000 | /*****************************************************************************/ |
939 | |
1001 | |
940 | typedef struct |
1002 | typedef struct |
… | |
… | |
946 | static ANSIG *signals; |
1008 | static ANSIG *signals; |
947 | static int signalmax; |
1009 | static int signalmax; |
948 | |
1010 | |
949 | static EV_ATOMIC_T gotsig; |
1011 | static EV_ATOMIC_T gotsig; |
950 | |
1012 | |
951 | void inline_size |
|
|
952 | signals_init (ANSIG *base, int count) |
|
|
953 | { |
|
|
954 | while (count--) |
|
|
955 | { |
|
|
956 | base->head = 0; |
|
|
957 | base->gotsig = 0; |
|
|
958 | |
|
|
959 | ++base; |
|
|
960 | } |
|
|
961 | } |
|
|
962 | |
|
|
963 | /*****************************************************************************/ |
1013 | /*****************************************************************************/ |
964 | |
1014 | |
965 | void inline_speed |
1015 | void inline_speed |
966 | fd_intern (int fd) |
1016 | fd_intern (int fd) |
967 | { |
1017 | { |
968 | #ifdef _WIN32 |
1018 | #ifdef _WIN32 |
969 | int arg = 1; |
1019 | unsigned long arg = 1; |
970 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1020 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
971 | #else |
1021 | #else |
972 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1022 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
973 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1023 | fcntl (fd, F_SETFL, O_NONBLOCK); |
974 | #endif |
1024 | #endif |
… | |
… | |
988 | } |
1038 | } |
989 | else |
1039 | else |
990 | #endif |
1040 | #endif |
991 | { |
1041 | { |
992 | while (pipe (evpipe)) |
1042 | while (pipe (evpipe)) |
993 | syserr ("(libev) error creating signal/async pipe"); |
1043 | ev_syserr ("(libev) error creating signal/async pipe"); |
994 | |
1044 | |
995 | fd_intern (evpipe [0]); |
1045 | fd_intern (evpipe [0]); |
996 | fd_intern (evpipe [1]); |
1046 | fd_intern (evpipe [1]); |
997 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1047 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
998 | } |
1048 | } |
… | |
… | |
1088 | ev_feed_signal_event (EV_P_ int signum) |
1138 | ev_feed_signal_event (EV_P_ int signum) |
1089 | { |
1139 | { |
1090 | WL w; |
1140 | WL w; |
1091 | |
1141 | |
1092 | #if EV_MULTIPLICITY |
1142 | #if EV_MULTIPLICITY |
1093 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1143 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1094 | #endif |
1144 | #endif |
1095 | |
1145 | |
1096 | --signum; |
1146 | --signum; |
1097 | |
1147 | |
1098 | if (signum < 0 || signum >= signalmax) |
1148 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
1227 | /* kqueue is borked on everything but netbsd apparently */ |
1277 | /* kqueue is borked on everything but netbsd apparently */ |
1228 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1278 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1229 | flags &= ~EVBACKEND_KQUEUE; |
1279 | flags &= ~EVBACKEND_KQUEUE; |
1230 | #endif |
1280 | #endif |
1231 | #ifdef __APPLE__ |
1281 | #ifdef __APPLE__ |
1232 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1282 | /* only select works correctly on that "unix-certified" platform */ |
1233 | flags &= ~EVBACKEND_POLL; |
1283 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1284 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1234 | #endif |
1285 | #endif |
1235 | |
1286 | |
1236 | return flags; |
1287 | return flags; |
1237 | } |
1288 | } |
1238 | |
1289 | |
… | |
… | |
1275 | static void noinline |
1326 | static void noinline |
1276 | loop_init (EV_P_ unsigned int flags) |
1327 | loop_init (EV_P_ unsigned int flags) |
1277 | { |
1328 | { |
1278 | if (!backend) |
1329 | if (!backend) |
1279 | { |
1330 | { |
|
|
1331 | #if EV_USE_REALTIME |
|
|
1332 | if (!have_realtime) |
|
|
1333 | { |
|
|
1334 | struct timespec ts; |
|
|
1335 | |
|
|
1336 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1337 | have_realtime = 1; |
|
|
1338 | } |
|
|
1339 | #endif |
|
|
1340 | |
1280 | #if EV_USE_MONOTONIC |
1341 | #if EV_USE_MONOTONIC |
|
|
1342 | if (!have_monotonic) |
1281 | { |
1343 | { |
1282 | struct timespec ts; |
1344 | struct timespec ts; |
|
|
1345 | |
1283 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1346 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1284 | have_monotonic = 1; |
1347 | have_monotonic = 1; |
1285 | } |
1348 | } |
1286 | #endif |
1349 | #endif |
1287 | |
1350 | |
1288 | ev_rt_now = ev_time (); |
1351 | ev_rt_now = ev_time (); |
1289 | mn_now = get_clock (); |
1352 | mn_now = get_clock (); |
1290 | now_floor = mn_now; |
1353 | now_floor = mn_now; |
… | |
… | |
1458 | |
1521 | |
1459 | postfork = 0; |
1522 | postfork = 0; |
1460 | } |
1523 | } |
1461 | |
1524 | |
1462 | #if EV_MULTIPLICITY |
1525 | #if EV_MULTIPLICITY |
|
|
1526 | |
1463 | struct ev_loop * |
1527 | struct ev_loop * |
1464 | ev_loop_new (unsigned int flags) |
1528 | ev_loop_new (unsigned int flags) |
1465 | { |
1529 | { |
1466 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1530 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1467 | |
1531 | |
… | |
… | |
1485 | void |
1549 | void |
1486 | ev_loop_fork (EV_P) |
1550 | ev_loop_fork (EV_P) |
1487 | { |
1551 | { |
1488 | postfork = 1; /* must be in line with ev_default_fork */ |
1552 | postfork = 1; /* must be in line with ev_default_fork */ |
1489 | } |
1553 | } |
|
|
1554 | |
|
|
1555 | #if EV_VERIFY |
|
|
1556 | static void noinline |
|
|
1557 | verify_watcher (EV_P_ W w) |
|
|
1558 | { |
|
|
1559 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1560 | |
|
|
1561 | if (w->pending) |
|
|
1562 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1563 | } |
|
|
1564 | |
|
|
1565 | static void noinline |
|
|
1566 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1567 | { |
|
|
1568 | int i; |
|
|
1569 | |
|
|
1570 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1571 | { |
|
|
1572 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1573 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1574 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1575 | |
|
|
1576 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1577 | } |
|
|
1578 | } |
|
|
1579 | |
|
|
1580 | static void noinline |
|
|
1581 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1582 | { |
|
|
1583 | while (cnt--) |
|
|
1584 | { |
|
|
1585 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1586 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1587 | } |
|
|
1588 | } |
|
|
1589 | #endif |
|
|
1590 | |
|
|
1591 | void |
|
|
1592 | ev_loop_verify (EV_P) |
|
|
1593 | { |
|
|
1594 | #if EV_VERIFY |
|
|
1595 | int i; |
|
|
1596 | WL w; |
|
|
1597 | |
|
|
1598 | assert (activecnt >= -1); |
|
|
1599 | |
|
|
1600 | assert (fdchangemax >= fdchangecnt); |
|
|
1601 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1602 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1603 | |
|
|
1604 | assert (anfdmax >= 0); |
|
|
1605 | for (i = 0; i < anfdmax; ++i) |
|
|
1606 | for (w = anfds [i].head; w; w = w->next) |
|
|
1607 | { |
|
|
1608 | verify_watcher (EV_A_ (W)w); |
|
|
1609 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1610 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1611 | } |
|
|
1612 | |
|
|
1613 | assert (timermax >= timercnt); |
|
|
1614 | verify_heap (EV_A_ timers, timercnt); |
|
|
1615 | |
|
|
1616 | #if EV_PERIODIC_ENABLE |
|
|
1617 | assert (periodicmax >= periodiccnt); |
|
|
1618 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1619 | #endif |
|
|
1620 | |
|
|
1621 | for (i = NUMPRI; i--; ) |
|
|
1622 | { |
|
|
1623 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1624 | #if EV_IDLE_ENABLE |
|
|
1625 | assert (idleall >= 0); |
|
|
1626 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1627 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1628 | #endif |
|
|
1629 | } |
|
|
1630 | |
|
|
1631 | #if EV_FORK_ENABLE |
|
|
1632 | assert (forkmax >= forkcnt); |
|
|
1633 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1634 | #endif |
|
|
1635 | |
|
|
1636 | #if EV_ASYNC_ENABLE |
|
|
1637 | assert (asyncmax >= asynccnt); |
|
|
1638 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1639 | #endif |
|
|
1640 | |
|
|
1641 | assert (preparemax >= preparecnt); |
|
|
1642 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1643 | |
|
|
1644 | assert (checkmax >= checkcnt); |
|
|
1645 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1646 | |
|
|
1647 | # if 0 |
|
|
1648 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1649 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1490 | #endif |
1650 | # endif |
|
|
1651 | #endif |
|
|
1652 | } |
|
|
1653 | |
|
|
1654 | #endif /* multiplicity */ |
1491 | |
1655 | |
1492 | #if EV_MULTIPLICITY |
1656 | #if EV_MULTIPLICITY |
1493 | struct ev_loop * |
1657 | struct ev_loop * |
1494 | ev_default_loop_init (unsigned int flags) |
1658 | ev_default_loop_init (unsigned int flags) |
1495 | #else |
1659 | #else |
… | |
… | |
1528 | { |
1692 | { |
1529 | #if EV_MULTIPLICITY |
1693 | #if EV_MULTIPLICITY |
1530 | struct ev_loop *loop = ev_default_loop_ptr; |
1694 | struct ev_loop *loop = ev_default_loop_ptr; |
1531 | #endif |
1695 | #endif |
1532 | |
1696 | |
|
|
1697 | ev_default_loop_ptr = 0; |
|
|
1698 | |
1533 | #ifndef _WIN32 |
1699 | #ifndef _WIN32 |
1534 | ev_ref (EV_A); /* child watcher */ |
1700 | ev_ref (EV_A); /* child watcher */ |
1535 | ev_signal_stop (EV_A_ &childev); |
1701 | ev_signal_stop (EV_A_ &childev); |
1536 | #endif |
1702 | #endif |
1537 | |
1703 | |
… | |
… | |
1543 | { |
1709 | { |
1544 | #if EV_MULTIPLICITY |
1710 | #if EV_MULTIPLICITY |
1545 | struct ev_loop *loop = ev_default_loop_ptr; |
1711 | struct ev_loop *loop = ev_default_loop_ptr; |
1546 | #endif |
1712 | #endif |
1547 | |
1713 | |
1548 | if (backend) |
|
|
1549 | postfork = 1; /* must be in line with ev_loop_fork */ |
1714 | postfork = 1; /* must be in line with ev_loop_fork */ |
1550 | } |
1715 | } |
1551 | |
1716 | |
1552 | /*****************************************************************************/ |
1717 | /*****************************************************************************/ |
1553 | |
1718 | |
1554 | void |
1719 | void |
… | |
… | |
1567 | { |
1732 | { |
1568 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1733 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1569 | |
1734 | |
1570 | if (expect_true (p->w)) |
1735 | if (expect_true (p->w)) |
1571 | { |
1736 | { |
1572 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1737 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
1573 | |
1738 | |
1574 | p->w->pending = 0; |
1739 | p->w->pending = 0; |
1575 | EV_CB_INVOKE (p->w, p->events); |
1740 | EV_CB_INVOKE (p->w, p->events); |
|
|
1741 | EV_FREQUENT_CHECK; |
1576 | } |
1742 | } |
1577 | } |
1743 | } |
1578 | } |
1744 | } |
1579 | |
1745 | |
1580 | #if EV_IDLE_ENABLE |
1746 | #if EV_IDLE_ENABLE |
… | |
… | |
1601 | #endif |
1767 | #endif |
1602 | |
1768 | |
1603 | void inline_size |
1769 | void inline_size |
1604 | timers_reify (EV_P) |
1770 | timers_reify (EV_P) |
1605 | { |
1771 | { |
|
|
1772 | EV_FREQUENT_CHECK; |
|
|
1773 | |
1606 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1774 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1607 | { |
1775 | { |
1608 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
1776 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
1609 | |
1777 | |
1610 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1778 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
1611 | |
1779 | |
1612 | /* first reschedule or stop timer */ |
1780 | /* first reschedule or stop timer */ |
1613 | if (w->repeat) |
1781 | if (w->repeat) |
1614 | { |
1782 | { |
1615 | ev_at (w) += w->repeat; |
1783 | ev_at (w) += w->repeat; |
1616 | if (ev_at (w) < mn_now) |
1784 | if (ev_at (w) < mn_now) |
1617 | ev_at (w) = mn_now; |
1785 | ev_at (w) = mn_now; |
1618 | |
1786 | |
1619 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1787 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1620 | |
1788 | |
1621 | ANHE_at_set (timers [HEAP0]); |
1789 | ANHE_at_cache (timers [HEAP0]); |
1622 | downheap (timers, timercnt, HEAP0); |
1790 | downheap (timers, timercnt, HEAP0); |
1623 | } |
1791 | } |
1624 | else |
1792 | else |
1625 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1793 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1626 | |
1794 | |
|
|
1795 | EV_FREQUENT_CHECK; |
1627 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1796 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1628 | } |
1797 | } |
1629 | } |
1798 | } |
1630 | |
1799 | |
1631 | #if EV_PERIODIC_ENABLE |
1800 | #if EV_PERIODIC_ENABLE |
1632 | void inline_size |
1801 | void inline_size |
1633 | periodics_reify (EV_P) |
1802 | periodics_reify (EV_P) |
1634 | { |
1803 | { |
|
|
1804 | EV_FREQUENT_CHECK; |
|
|
1805 | |
1635 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1806 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1636 | { |
1807 | { |
1637 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1808 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1638 | |
1809 | |
1639 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1810 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1640 | |
1811 | |
1641 | /* first reschedule or stop timer */ |
1812 | /* first reschedule or stop timer */ |
1642 | if (w->reschedule_cb) |
1813 | if (w->reschedule_cb) |
1643 | { |
1814 | { |
1644 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1815 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1645 | |
1816 | |
1646 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1817 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1647 | |
1818 | |
1648 | ANHE_at_set (periodics [HEAP0]); |
1819 | ANHE_at_cache (periodics [HEAP0]); |
1649 | downheap (periodics, periodiccnt, HEAP0); |
1820 | downheap (periodics, periodiccnt, HEAP0); |
1650 | } |
1821 | } |
1651 | else if (w->interval) |
1822 | else if (w->interval) |
1652 | { |
1823 | { |
1653 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1824 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1825 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1826 | /* this might happen because of floating point inexactness */ |
1654 | if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval; |
1827 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1828 | { |
|
|
1829 | ev_at (w) += w->interval; |
1655 | |
1830 | |
1656 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) >= ev_rt_now)); |
1831 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1832 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1833 | /* has effectively asked to get triggered more often than possible */ |
|
|
1834 | if (ev_at (w) < ev_rt_now) |
|
|
1835 | ev_at (w) = ev_rt_now; |
|
|
1836 | } |
1657 | |
1837 | |
1658 | ANHE_at_set (periodics [HEAP0]); |
1838 | ANHE_at_cache (periodics [HEAP0]); |
1659 | downheap (periodics, periodiccnt, HEAP0); |
1839 | downheap (periodics, periodiccnt, HEAP0); |
1660 | } |
1840 | } |
1661 | else |
1841 | else |
1662 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1842 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1663 | |
1843 | |
|
|
1844 | EV_FREQUENT_CHECK; |
1664 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1845 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1665 | } |
1846 | } |
1666 | } |
1847 | } |
1667 | |
1848 | |
1668 | static void noinline |
1849 | static void noinline |
… | |
… | |
1678 | if (w->reschedule_cb) |
1859 | if (w->reschedule_cb) |
1679 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1860 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1680 | else if (w->interval) |
1861 | else if (w->interval) |
1681 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1862 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1682 | |
1863 | |
1683 | ANHE_at_set (periodics [i]); |
1864 | ANHE_at_cache (periodics [i]); |
1684 | } |
1865 | } |
1685 | |
1866 | |
1686 | /* we don't use floyds algorithm, uphead is simpler and is more cache-efficient */ |
1867 | reheap (periodics, periodiccnt); |
1687 | /* also, this is easy and corretc for both 2-heaps and 4-heaps */ |
|
|
1688 | for (i = 0; i < periodiccnt; ++i) |
|
|
1689 | upheap (periodics, i + HEAP0); |
|
|
1690 | } |
1868 | } |
1691 | #endif |
1869 | #endif |
1692 | |
1870 | |
1693 | void inline_speed |
1871 | void inline_speed |
1694 | time_update (EV_P_ ev_tstamp max_block) |
1872 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1752 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1930 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1753 | for (i = 0; i < timercnt; ++i) |
1931 | for (i = 0; i < timercnt; ++i) |
1754 | { |
1932 | { |
1755 | ANHE *he = timers + i + HEAP0; |
1933 | ANHE *he = timers + i + HEAP0; |
1756 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
1934 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
1757 | ANHE_at_set (*he); |
1935 | ANHE_at_cache (*he); |
1758 | } |
1936 | } |
1759 | } |
1937 | } |
1760 | |
1938 | |
1761 | mn_now = ev_rt_now; |
1939 | mn_now = ev_rt_now; |
1762 | } |
1940 | } |
… | |
… | |
1772 | ev_unref (EV_P) |
1950 | ev_unref (EV_P) |
1773 | { |
1951 | { |
1774 | --activecnt; |
1952 | --activecnt; |
1775 | } |
1953 | } |
1776 | |
1954 | |
|
|
1955 | void |
|
|
1956 | ev_now_update (EV_P) |
|
|
1957 | { |
|
|
1958 | time_update (EV_A_ 1e100); |
|
|
1959 | } |
|
|
1960 | |
1777 | static int loop_done; |
1961 | static int loop_done; |
1778 | |
1962 | |
1779 | void |
1963 | void |
1780 | ev_loop (EV_P_ int flags) |
1964 | ev_loop (EV_P_ int flags) |
1781 | { |
1965 | { |
… | |
… | |
1783 | |
1967 | |
1784 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1968 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1785 | |
1969 | |
1786 | do |
1970 | do |
1787 | { |
1971 | { |
|
|
1972 | #if EV_VERIFY >= 2 |
|
|
1973 | ev_loop_verify (EV_A); |
|
|
1974 | #endif |
|
|
1975 | |
1788 | #ifndef _WIN32 |
1976 | #ifndef _WIN32 |
1789 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1977 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1790 | if (expect_false (getpid () != curpid)) |
1978 | if (expect_false (getpid () != curpid)) |
1791 | { |
1979 | { |
1792 | curpid = getpid (); |
1980 | curpid = getpid (); |
… | |
… | |
1985 | int fd = w->fd; |
2173 | int fd = w->fd; |
1986 | |
2174 | |
1987 | if (expect_false (ev_is_active (w))) |
2175 | if (expect_false (ev_is_active (w))) |
1988 | return; |
2176 | return; |
1989 | |
2177 | |
1990 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2178 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2179 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2180 | |
|
|
2181 | EV_FREQUENT_CHECK; |
1991 | |
2182 | |
1992 | ev_start (EV_A_ (W)w, 1); |
2183 | ev_start (EV_A_ (W)w, 1); |
1993 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2184 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1994 | wlist_add (&anfds[fd].head, (WL)w); |
2185 | wlist_add (&anfds[fd].head, (WL)w); |
1995 | |
2186 | |
1996 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2187 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1997 | w->events &= ~EV_IOFDSET; |
2188 | w->events &= ~EV_IOFDSET; |
|
|
2189 | |
|
|
2190 | EV_FREQUENT_CHECK; |
1998 | } |
2191 | } |
1999 | |
2192 | |
2000 | void noinline |
2193 | void noinline |
2001 | ev_io_stop (EV_P_ ev_io *w) |
2194 | ev_io_stop (EV_P_ ev_io *w) |
2002 | { |
2195 | { |
2003 | clear_pending (EV_A_ (W)w); |
2196 | clear_pending (EV_A_ (W)w); |
2004 | if (expect_false (!ev_is_active (w))) |
2197 | if (expect_false (!ev_is_active (w))) |
2005 | return; |
2198 | return; |
2006 | |
2199 | |
2007 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2200 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2201 | |
|
|
2202 | EV_FREQUENT_CHECK; |
2008 | |
2203 | |
2009 | wlist_del (&anfds[w->fd].head, (WL)w); |
2204 | wlist_del (&anfds[w->fd].head, (WL)w); |
2010 | ev_stop (EV_A_ (W)w); |
2205 | ev_stop (EV_A_ (W)w); |
2011 | |
2206 | |
2012 | fd_change (EV_A_ w->fd, 1); |
2207 | fd_change (EV_A_ w->fd, 1); |
|
|
2208 | |
|
|
2209 | EV_FREQUENT_CHECK; |
2013 | } |
2210 | } |
2014 | |
2211 | |
2015 | void noinline |
2212 | void noinline |
2016 | ev_timer_start (EV_P_ ev_timer *w) |
2213 | ev_timer_start (EV_P_ ev_timer *w) |
2017 | { |
2214 | { |
2018 | if (expect_false (ev_is_active (w))) |
2215 | if (expect_false (ev_is_active (w))) |
2019 | return; |
2216 | return; |
2020 | |
2217 | |
2021 | ev_at (w) += mn_now; |
2218 | ev_at (w) += mn_now; |
2022 | |
2219 | |
2023 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2220 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2024 | |
2221 | |
|
|
2222 | EV_FREQUENT_CHECK; |
|
|
2223 | |
|
|
2224 | ++timercnt; |
2025 | ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1); |
2225 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
2026 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
2226 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
2027 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
2227 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
2028 | ANHE_at_set (timers [ev_active (w)]); |
2228 | ANHE_at_cache (timers [ev_active (w)]); |
2029 | upheap (timers, ev_active (w)); |
2229 | upheap (timers, ev_active (w)); |
2030 | |
2230 | |
|
|
2231 | EV_FREQUENT_CHECK; |
|
|
2232 | |
2031 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2233 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2032 | } |
2234 | } |
2033 | |
2235 | |
2034 | void noinline |
2236 | void noinline |
2035 | ev_timer_stop (EV_P_ ev_timer *w) |
2237 | ev_timer_stop (EV_P_ ev_timer *w) |
2036 | { |
2238 | { |
2037 | clear_pending (EV_A_ (W)w); |
2239 | clear_pending (EV_A_ (W)w); |
2038 | if (expect_false (!ev_is_active (w))) |
2240 | if (expect_false (!ev_is_active (w))) |
2039 | return; |
2241 | return; |
2040 | |
2242 | |
|
|
2243 | EV_FREQUENT_CHECK; |
|
|
2244 | |
2041 | { |
2245 | { |
2042 | int active = ev_active (w); |
2246 | int active = ev_active (w); |
2043 | |
2247 | |
2044 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2248 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2045 | |
2249 | |
|
|
2250 | --timercnt; |
|
|
2251 | |
2046 | if (expect_true (active < timercnt + HEAP0 - 1)) |
2252 | if (expect_true (active < timercnt + HEAP0)) |
2047 | { |
2253 | { |
2048 | timers [active] = timers [timercnt + HEAP0 - 1]; |
2254 | timers [active] = timers [timercnt + HEAP0]; |
2049 | adjustheap (timers, timercnt, active); |
2255 | adjustheap (timers, timercnt, active); |
2050 | } |
2256 | } |
2051 | |
|
|
2052 | --timercnt; |
|
|
2053 | } |
2257 | } |
|
|
2258 | |
|
|
2259 | EV_FREQUENT_CHECK; |
2054 | |
2260 | |
2055 | ev_at (w) -= mn_now; |
2261 | ev_at (w) -= mn_now; |
2056 | |
2262 | |
2057 | ev_stop (EV_A_ (W)w); |
2263 | ev_stop (EV_A_ (W)w); |
2058 | } |
2264 | } |
2059 | |
2265 | |
2060 | void noinline |
2266 | void noinline |
2061 | ev_timer_again (EV_P_ ev_timer *w) |
2267 | ev_timer_again (EV_P_ ev_timer *w) |
2062 | { |
2268 | { |
|
|
2269 | EV_FREQUENT_CHECK; |
|
|
2270 | |
2063 | if (ev_is_active (w)) |
2271 | if (ev_is_active (w)) |
2064 | { |
2272 | { |
2065 | if (w->repeat) |
2273 | if (w->repeat) |
2066 | { |
2274 | { |
2067 | ev_at (w) = mn_now + w->repeat; |
2275 | ev_at (w) = mn_now + w->repeat; |
2068 | ANHE_at_set (timers [ev_active (w)]); |
2276 | ANHE_at_cache (timers [ev_active (w)]); |
2069 | adjustheap (timers, timercnt, ev_active (w)); |
2277 | adjustheap (timers, timercnt, ev_active (w)); |
2070 | } |
2278 | } |
2071 | else |
2279 | else |
2072 | ev_timer_stop (EV_A_ w); |
2280 | ev_timer_stop (EV_A_ w); |
2073 | } |
2281 | } |
2074 | else if (w->repeat) |
2282 | else if (w->repeat) |
2075 | { |
2283 | { |
2076 | ev_at (w) = w->repeat; |
2284 | ev_at (w) = w->repeat; |
2077 | ev_timer_start (EV_A_ w); |
2285 | ev_timer_start (EV_A_ w); |
2078 | } |
2286 | } |
|
|
2287 | |
|
|
2288 | EV_FREQUENT_CHECK; |
2079 | } |
2289 | } |
2080 | |
2290 | |
2081 | #if EV_PERIODIC_ENABLE |
2291 | #if EV_PERIODIC_ENABLE |
2082 | void noinline |
2292 | void noinline |
2083 | ev_periodic_start (EV_P_ ev_periodic *w) |
2293 | ev_periodic_start (EV_P_ ev_periodic *w) |
… | |
… | |
2087 | |
2297 | |
2088 | if (w->reschedule_cb) |
2298 | if (w->reschedule_cb) |
2089 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2299 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2090 | else if (w->interval) |
2300 | else if (w->interval) |
2091 | { |
2301 | { |
2092 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2302 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2093 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2303 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2094 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2304 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2095 | } |
2305 | } |
2096 | else |
2306 | else |
2097 | ev_at (w) = w->offset; |
2307 | ev_at (w) = w->offset; |
2098 | |
2308 | |
|
|
2309 | EV_FREQUENT_CHECK; |
|
|
2310 | |
|
|
2311 | ++periodiccnt; |
2099 | ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1); |
2312 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
2100 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
2313 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
2101 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
2314 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
2102 | ANHE_at_set (periodics [ev_active (w)]); |
2315 | ANHE_at_cache (periodics [ev_active (w)]); |
2103 | upheap (periodics, ev_active (w)); |
2316 | upheap (periodics, ev_active (w)); |
2104 | |
2317 | |
|
|
2318 | EV_FREQUENT_CHECK; |
|
|
2319 | |
2105 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2320 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2106 | } |
2321 | } |
2107 | |
2322 | |
2108 | void noinline |
2323 | void noinline |
2109 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2324 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2110 | { |
2325 | { |
2111 | clear_pending (EV_A_ (W)w); |
2326 | clear_pending (EV_A_ (W)w); |
2112 | if (expect_false (!ev_is_active (w))) |
2327 | if (expect_false (!ev_is_active (w))) |
2113 | return; |
2328 | return; |
2114 | |
2329 | |
|
|
2330 | EV_FREQUENT_CHECK; |
|
|
2331 | |
2115 | { |
2332 | { |
2116 | int active = ev_active (w); |
2333 | int active = ev_active (w); |
2117 | |
2334 | |
2118 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2335 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2119 | |
2336 | |
|
|
2337 | --periodiccnt; |
|
|
2338 | |
2120 | if (expect_true (active < periodiccnt + HEAP0 - 1)) |
2339 | if (expect_true (active < periodiccnt + HEAP0)) |
2121 | { |
2340 | { |
2122 | periodics [active] = periodics [periodiccnt + HEAP0 - 1]; |
2341 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2123 | adjustheap (periodics, periodiccnt, active); |
2342 | adjustheap (periodics, periodiccnt, active); |
2124 | } |
2343 | } |
2125 | |
|
|
2126 | --periodiccnt; |
|
|
2127 | } |
2344 | } |
|
|
2345 | |
|
|
2346 | EV_FREQUENT_CHECK; |
2128 | |
2347 | |
2129 | ev_stop (EV_A_ (W)w); |
2348 | ev_stop (EV_A_ (W)w); |
2130 | } |
2349 | } |
2131 | |
2350 | |
2132 | void noinline |
2351 | void noinline |
… | |
… | |
2144 | |
2363 | |
2145 | void noinline |
2364 | void noinline |
2146 | ev_signal_start (EV_P_ ev_signal *w) |
2365 | ev_signal_start (EV_P_ ev_signal *w) |
2147 | { |
2366 | { |
2148 | #if EV_MULTIPLICITY |
2367 | #if EV_MULTIPLICITY |
2149 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2368 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2150 | #endif |
2369 | #endif |
2151 | if (expect_false (ev_is_active (w))) |
2370 | if (expect_false (ev_is_active (w))) |
2152 | return; |
2371 | return; |
2153 | |
2372 | |
2154 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2373 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2155 | |
2374 | |
2156 | evpipe_init (EV_A); |
2375 | evpipe_init (EV_A); |
|
|
2376 | |
|
|
2377 | EV_FREQUENT_CHECK; |
2157 | |
2378 | |
2158 | { |
2379 | { |
2159 | #ifndef _WIN32 |
2380 | #ifndef _WIN32 |
2160 | sigset_t full, prev; |
2381 | sigset_t full, prev; |
2161 | sigfillset (&full); |
2382 | sigfillset (&full); |
2162 | sigprocmask (SIG_SETMASK, &full, &prev); |
2383 | sigprocmask (SIG_SETMASK, &full, &prev); |
2163 | #endif |
2384 | #endif |
2164 | |
2385 | |
2165 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2386 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2166 | |
2387 | |
2167 | #ifndef _WIN32 |
2388 | #ifndef _WIN32 |
2168 | sigprocmask (SIG_SETMASK, &prev, 0); |
2389 | sigprocmask (SIG_SETMASK, &prev, 0); |
2169 | #endif |
2390 | #endif |
2170 | } |
2391 | } |
… | |
… | |
2182 | sigfillset (&sa.sa_mask); |
2403 | sigfillset (&sa.sa_mask); |
2183 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2404 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2184 | sigaction (w->signum, &sa, 0); |
2405 | sigaction (w->signum, &sa, 0); |
2185 | #endif |
2406 | #endif |
2186 | } |
2407 | } |
|
|
2408 | |
|
|
2409 | EV_FREQUENT_CHECK; |
2187 | } |
2410 | } |
2188 | |
2411 | |
2189 | void noinline |
2412 | void noinline |
2190 | ev_signal_stop (EV_P_ ev_signal *w) |
2413 | ev_signal_stop (EV_P_ ev_signal *w) |
2191 | { |
2414 | { |
2192 | clear_pending (EV_A_ (W)w); |
2415 | clear_pending (EV_A_ (W)w); |
2193 | if (expect_false (!ev_is_active (w))) |
2416 | if (expect_false (!ev_is_active (w))) |
2194 | return; |
2417 | return; |
2195 | |
2418 | |
|
|
2419 | EV_FREQUENT_CHECK; |
|
|
2420 | |
2196 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2421 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2197 | ev_stop (EV_A_ (W)w); |
2422 | ev_stop (EV_A_ (W)w); |
2198 | |
2423 | |
2199 | if (!signals [w->signum - 1].head) |
2424 | if (!signals [w->signum - 1].head) |
2200 | signal (w->signum, SIG_DFL); |
2425 | signal (w->signum, SIG_DFL); |
|
|
2426 | |
|
|
2427 | EV_FREQUENT_CHECK; |
2201 | } |
2428 | } |
2202 | |
2429 | |
2203 | void |
2430 | void |
2204 | ev_child_start (EV_P_ ev_child *w) |
2431 | ev_child_start (EV_P_ ev_child *w) |
2205 | { |
2432 | { |
2206 | #if EV_MULTIPLICITY |
2433 | #if EV_MULTIPLICITY |
2207 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2434 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2208 | #endif |
2435 | #endif |
2209 | if (expect_false (ev_is_active (w))) |
2436 | if (expect_false (ev_is_active (w))) |
2210 | return; |
2437 | return; |
2211 | |
2438 | |
|
|
2439 | EV_FREQUENT_CHECK; |
|
|
2440 | |
2212 | ev_start (EV_A_ (W)w, 1); |
2441 | ev_start (EV_A_ (W)w, 1); |
2213 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2442 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2443 | |
|
|
2444 | EV_FREQUENT_CHECK; |
2214 | } |
2445 | } |
2215 | |
2446 | |
2216 | void |
2447 | void |
2217 | ev_child_stop (EV_P_ ev_child *w) |
2448 | ev_child_stop (EV_P_ ev_child *w) |
2218 | { |
2449 | { |
2219 | clear_pending (EV_A_ (W)w); |
2450 | clear_pending (EV_A_ (W)w); |
2220 | if (expect_false (!ev_is_active (w))) |
2451 | if (expect_false (!ev_is_active (w))) |
2221 | return; |
2452 | return; |
2222 | |
2453 | |
|
|
2454 | EV_FREQUENT_CHECK; |
|
|
2455 | |
2223 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2456 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2224 | ev_stop (EV_A_ (W)w); |
2457 | ev_stop (EV_A_ (W)w); |
|
|
2458 | |
|
|
2459 | EV_FREQUENT_CHECK; |
2225 | } |
2460 | } |
2226 | |
2461 | |
2227 | #if EV_STAT_ENABLE |
2462 | #if EV_STAT_ENABLE |
2228 | |
2463 | |
2229 | # ifdef _WIN32 |
2464 | # ifdef _WIN32 |
2230 | # undef lstat |
2465 | # undef lstat |
2231 | # define lstat(a,b) _stati64 (a,b) |
2466 | # define lstat(a,b) _stati64 (a,b) |
2232 | # endif |
2467 | # endif |
2233 | |
2468 | |
2234 | #define DEF_STAT_INTERVAL 5.0074891 |
2469 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2470 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2235 | #define MIN_STAT_INTERVAL 0.1074891 |
2471 | #define MIN_STAT_INTERVAL 0.1074891 |
2236 | |
2472 | |
2237 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2473 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2238 | |
2474 | |
2239 | #if EV_USE_INOTIFY |
2475 | #if EV_USE_INOTIFY |
2240 | # define EV_INOTIFY_BUFSIZE 8192 |
2476 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2244 | { |
2480 | { |
2245 | 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); |
2481 | 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); |
2246 | |
2482 | |
2247 | if (w->wd < 0) |
2483 | if (w->wd < 0) |
2248 | { |
2484 | { |
|
|
2485 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2249 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2486 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2250 | |
2487 | |
2251 | /* monitor some parent directory for speedup hints */ |
2488 | /* monitor some parent directory for speedup hints */ |
2252 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
2489 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2253 | /* but an efficiency issue only */ |
2490 | /* but an efficiency issue only */ |
2254 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2491 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2255 | { |
2492 | { |
2256 | char path [4096]; |
2493 | char path [4096]; |
2257 | strcpy (path, w->path); |
2494 | strcpy (path, w->path); |
… | |
… | |
2261 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2498 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2262 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2499 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2263 | |
2500 | |
2264 | char *pend = strrchr (path, '/'); |
2501 | char *pend = strrchr (path, '/'); |
2265 | |
2502 | |
2266 | if (!pend) |
2503 | if (!pend || pend == path) |
2267 | break; /* whoops, no '/', complain to your admin */ |
2504 | break; |
2268 | |
2505 | |
2269 | *pend = 0; |
2506 | *pend = 0; |
2270 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2507 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2271 | } |
2508 | } |
2272 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2509 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2273 | } |
2510 | } |
2274 | } |
2511 | } |
2275 | else |
|
|
2276 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2277 | |
2512 | |
2278 | if (w->wd >= 0) |
2513 | if (w->wd >= 0) |
|
|
2514 | { |
2279 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2515 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2516 | |
|
|
2517 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2518 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2519 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2520 | struct statfs sfs; |
|
|
2521 | |
|
|
2522 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2523 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2524 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2525 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2526 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2527 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2528 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2529 | return; |
|
|
2530 | |
|
|
2531 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2532 | ev_timer_again (EV_A_ &w->timer); |
|
|
2533 | } |
2280 | } |
2534 | } |
2281 | |
2535 | |
2282 | static void noinline |
2536 | static void noinline |
2283 | infy_del (EV_P_ ev_stat *w) |
2537 | infy_del (EV_P_ ev_stat *w) |
2284 | { |
2538 | { |
… | |
… | |
2298 | |
2552 | |
2299 | static void noinline |
2553 | static void noinline |
2300 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2554 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2301 | { |
2555 | { |
2302 | if (slot < 0) |
2556 | if (slot < 0) |
2303 | /* overflow, need to check for all hahs slots */ |
2557 | /* overflow, need to check for all hash slots */ |
2304 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2558 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2305 | infy_wd (EV_A_ slot, wd, ev); |
2559 | infy_wd (EV_A_ slot, wd, ev); |
2306 | else |
2560 | else |
2307 | { |
2561 | { |
2308 | WL w_; |
2562 | WL w_; |
… | |
… | |
2314 | |
2568 | |
2315 | if (w->wd == wd || wd == -1) |
2569 | if (w->wd == wd || wd == -1) |
2316 | { |
2570 | { |
2317 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2571 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2318 | { |
2572 | { |
|
|
2573 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2319 | w->wd = -1; |
2574 | w->wd = -1; |
2320 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2575 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2321 | } |
2576 | } |
2322 | |
2577 | |
2323 | stat_timer_cb (EV_A_ &w->timer, 0); |
2578 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2337 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2592 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2338 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2593 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2339 | } |
2594 | } |
2340 | |
2595 | |
2341 | void inline_size |
2596 | void inline_size |
|
|
2597 | check_2625 (EV_P) |
|
|
2598 | { |
|
|
2599 | /* kernels < 2.6.25 are borked |
|
|
2600 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2601 | */ |
|
|
2602 | struct utsname buf; |
|
|
2603 | int major, minor, micro; |
|
|
2604 | |
|
|
2605 | if (uname (&buf)) |
|
|
2606 | return; |
|
|
2607 | |
|
|
2608 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2609 | return; |
|
|
2610 | |
|
|
2611 | if (major < 2 |
|
|
2612 | || (major == 2 && minor < 6) |
|
|
2613 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2614 | return; |
|
|
2615 | |
|
|
2616 | fs_2625 = 1; |
|
|
2617 | } |
|
|
2618 | |
|
|
2619 | void inline_size |
2342 | infy_init (EV_P) |
2620 | infy_init (EV_P) |
2343 | { |
2621 | { |
2344 | if (fs_fd != -2) |
2622 | if (fs_fd != -2) |
2345 | return; |
2623 | return; |
|
|
2624 | |
|
|
2625 | fs_fd = -1; |
|
|
2626 | |
|
|
2627 | check_2625 (EV_A); |
2346 | |
2628 | |
2347 | fs_fd = inotify_init (); |
2629 | fs_fd = inotify_init (); |
2348 | |
2630 | |
2349 | if (fs_fd >= 0) |
2631 | if (fs_fd >= 0) |
2350 | { |
2632 | { |
… | |
… | |
2378 | w->wd = -1; |
2660 | w->wd = -1; |
2379 | |
2661 | |
2380 | if (fs_fd >= 0) |
2662 | if (fs_fd >= 0) |
2381 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2663 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2382 | else |
2664 | else |
2383 | ev_timer_start (EV_A_ &w->timer); |
2665 | ev_timer_again (EV_A_ &w->timer); |
2384 | } |
2666 | } |
2385 | |
|
|
2386 | } |
2667 | } |
2387 | } |
2668 | } |
2388 | |
2669 | |
|
|
2670 | #endif |
|
|
2671 | |
|
|
2672 | #ifdef _WIN32 |
|
|
2673 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2674 | #else |
|
|
2675 | # define EV_LSTAT(p,b) lstat (p, b) |
2389 | #endif |
2676 | #endif |
2390 | |
2677 | |
2391 | void |
2678 | void |
2392 | ev_stat_stat (EV_P_ ev_stat *w) |
2679 | ev_stat_stat (EV_P_ ev_stat *w) |
2393 | { |
2680 | { |
… | |
… | |
2420 | || w->prev.st_atime != w->attr.st_atime |
2707 | || w->prev.st_atime != w->attr.st_atime |
2421 | || w->prev.st_mtime != w->attr.st_mtime |
2708 | || w->prev.st_mtime != w->attr.st_mtime |
2422 | || w->prev.st_ctime != w->attr.st_ctime |
2709 | || w->prev.st_ctime != w->attr.st_ctime |
2423 | ) { |
2710 | ) { |
2424 | #if EV_USE_INOTIFY |
2711 | #if EV_USE_INOTIFY |
|
|
2712 | if (fs_fd >= 0) |
|
|
2713 | { |
2425 | infy_del (EV_A_ w); |
2714 | infy_del (EV_A_ w); |
2426 | infy_add (EV_A_ w); |
2715 | infy_add (EV_A_ w); |
2427 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2716 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2717 | } |
2428 | #endif |
2718 | #endif |
2429 | |
2719 | |
2430 | ev_feed_event (EV_A_ w, EV_STAT); |
2720 | ev_feed_event (EV_A_ w, EV_STAT); |
2431 | } |
2721 | } |
2432 | } |
2722 | } |
… | |
… | |
2435 | ev_stat_start (EV_P_ ev_stat *w) |
2725 | ev_stat_start (EV_P_ ev_stat *w) |
2436 | { |
2726 | { |
2437 | if (expect_false (ev_is_active (w))) |
2727 | if (expect_false (ev_is_active (w))) |
2438 | return; |
2728 | return; |
2439 | |
2729 | |
2440 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2441 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2442 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2443 | |
|
|
2444 | ev_stat_stat (EV_A_ w); |
2730 | ev_stat_stat (EV_A_ w); |
2445 | |
2731 | |
|
|
2732 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2446 | if (w->interval < MIN_STAT_INTERVAL) |
2733 | w->interval = MIN_STAT_INTERVAL; |
2447 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2448 | |
2734 | |
2449 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2735 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2450 | ev_set_priority (&w->timer, ev_priority (w)); |
2736 | ev_set_priority (&w->timer, ev_priority (w)); |
2451 | |
2737 | |
2452 | #if EV_USE_INOTIFY |
2738 | #if EV_USE_INOTIFY |
2453 | infy_init (EV_A); |
2739 | infy_init (EV_A); |
2454 | |
2740 | |
2455 | if (fs_fd >= 0) |
2741 | if (fs_fd >= 0) |
2456 | infy_add (EV_A_ w); |
2742 | infy_add (EV_A_ w); |
2457 | else |
2743 | else |
2458 | #endif |
2744 | #endif |
2459 | ev_timer_start (EV_A_ &w->timer); |
2745 | ev_timer_again (EV_A_ &w->timer); |
2460 | |
2746 | |
2461 | ev_start (EV_A_ (W)w, 1); |
2747 | ev_start (EV_A_ (W)w, 1); |
|
|
2748 | |
|
|
2749 | EV_FREQUENT_CHECK; |
2462 | } |
2750 | } |
2463 | |
2751 | |
2464 | void |
2752 | void |
2465 | ev_stat_stop (EV_P_ ev_stat *w) |
2753 | ev_stat_stop (EV_P_ ev_stat *w) |
2466 | { |
2754 | { |
2467 | clear_pending (EV_A_ (W)w); |
2755 | clear_pending (EV_A_ (W)w); |
2468 | if (expect_false (!ev_is_active (w))) |
2756 | if (expect_false (!ev_is_active (w))) |
2469 | return; |
2757 | return; |
2470 | |
2758 | |
|
|
2759 | EV_FREQUENT_CHECK; |
|
|
2760 | |
2471 | #if EV_USE_INOTIFY |
2761 | #if EV_USE_INOTIFY |
2472 | infy_del (EV_A_ w); |
2762 | infy_del (EV_A_ w); |
2473 | #endif |
2763 | #endif |
2474 | ev_timer_stop (EV_A_ &w->timer); |
2764 | ev_timer_stop (EV_A_ &w->timer); |
2475 | |
2765 | |
2476 | ev_stop (EV_A_ (W)w); |
2766 | ev_stop (EV_A_ (W)w); |
|
|
2767 | |
|
|
2768 | EV_FREQUENT_CHECK; |
2477 | } |
2769 | } |
2478 | #endif |
2770 | #endif |
2479 | |
2771 | |
2480 | #if EV_IDLE_ENABLE |
2772 | #if EV_IDLE_ENABLE |
2481 | void |
2773 | void |
… | |
… | |
2483 | { |
2775 | { |
2484 | if (expect_false (ev_is_active (w))) |
2776 | if (expect_false (ev_is_active (w))) |
2485 | return; |
2777 | return; |
2486 | |
2778 | |
2487 | pri_adjust (EV_A_ (W)w); |
2779 | pri_adjust (EV_A_ (W)w); |
|
|
2780 | |
|
|
2781 | EV_FREQUENT_CHECK; |
2488 | |
2782 | |
2489 | { |
2783 | { |
2490 | int active = ++idlecnt [ABSPRI (w)]; |
2784 | int active = ++idlecnt [ABSPRI (w)]; |
2491 | |
2785 | |
2492 | ++idleall; |
2786 | ++idleall; |
2493 | ev_start (EV_A_ (W)w, active); |
2787 | ev_start (EV_A_ (W)w, active); |
2494 | |
2788 | |
2495 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2789 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2496 | idles [ABSPRI (w)][active - 1] = w; |
2790 | idles [ABSPRI (w)][active - 1] = w; |
2497 | } |
2791 | } |
|
|
2792 | |
|
|
2793 | EV_FREQUENT_CHECK; |
2498 | } |
2794 | } |
2499 | |
2795 | |
2500 | void |
2796 | void |
2501 | ev_idle_stop (EV_P_ ev_idle *w) |
2797 | ev_idle_stop (EV_P_ ev_idle *w) |
2502 | { |
2798 | { |
2503 | clear_pending (EV_A_ (W)w); |
2799 | clear_pending (EV_A_ (W)w); |
2504 | if (expect_false (!ev_is_active (w))) |
2800 | if (expect_false (!ev_is_active (w))) |
2505 | return; |
2801 | return; |
2506 | |
2802 | |
|
|
2803 | EV_FREQUENT_CHECK; |
|
|
2804 | |
2507 | { |
2805 | { |
2508 | int active = ev_active (w); |
2806 | int active = ev_active (w); |
2509 | |
2807 | |
2510 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2808 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2511 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2809 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2512 | |
2810 | |
2513 | ev_stop (EV_A_ (W)w); |
2811 | ev_stop (EV_A_ (W)w); |
2514 | --idleall; |
2812 | --idleall; |
2515 | } |
2813 | } |
|
|
2814 | |
|
|
2815 | EV_FREQUENT_CHECK; |
2516 | } |
2816 | } |
2517 | #endif |
2817 | #endif |
2518 | |
2818 | |
2519 | void |
2819 | void |
2520 | ev_prepare_start (EV_P_ ev_prepare *w) |
2820 | ev_prepare_start (EV_P_ ev_prepare *w) |
2521 | { |
2821 | { |
2522 | if (expect_false (ev_is_active (w))) |
2822 | if (expect_false (ev_is_active (w))) |
2523 | return; |
2823 | return; |
|
|
2824 | |
|
|
2825 | EV_FREQUENT_CHECK; |
2524 | |
2826 | |
2525 | ev_start (EV_A_ (W)w, ++preparecnt); |
2827 | ev_start (EV_A_ (W)w, ++preparecnt); |
2526 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2828 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2527 | prepares [preparecnt - 1] = w; |
2829 | prepares [preparecnt - 1] = w; |
|
|
2830 | |
|
|
2831 | EV_FREQUENT_CHECK; |
2528 | } |
2832 | } |
2529 | |
2833 | |
2530 | void |
2834 | void |
2531 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2835 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2532 | { |
2836 | { |
2533 | clear_pending (EV_A_ (W)w); |
2837 | clear_pending (EV_A_ (W)w); |
2534 | if (expect_false (!ev_is_active (w))) |
2838 | if (expect_false (!ev_is_active (w))) |
2535 | return; |
2839 | return; |
2536 | |
2840 | |
|
|
2841 | EV_FREQUENT_CHECK; |
|
|
2842 | |
2537 | { |
2843 | { |
2538 | int active = ev_active (w); |
2844 | int active = ev_active (w); |
2539 | |
2845 | |
2540 | prepares [active - 1] = prepares [--preparecnt]; |
2846 | prepares [active - 1] = prepares [--preparecnt]; |
2541 | ev_active (prepares [active - 1]) = active; |
2847 | ev_active (prepares [active - 1]) = active; |
2542 | } |
2848 | } |
2543 | |
2849 | |
2544 | ev_stop (EV_A_ (W)w); |
2850 | ev_stop (EV_A_ (W)w); |
|
|
2851 | |
|
|
2852 | EV_FREQUENT_CHECK; |
2545 | } |
2853 | } |
2546 | |
2854 | |
2547 | void |
2855 | void |
2548 | ev_check_start (EV_P_ ev_check *w) |
2856 | ev_check_start (EV_P_ ev_check *w) |
2549 | { |
2857 | { |
2550 | if (expect_false (ev_is_active (w))) |
2858 | if (expect_false (ev_is_active (w))) |
2551 | return; |
2859 | return; |
|
|
2860 | |
|
|
2861 | EV_FREQUENT_CHECK; |
2552 | |
2862 | |
2553 | ev_start (EV_A_ (W)w, ++checkcnt); |
2863 | ev_start (EV_A_ (W)w, ++checkcnt); |
2554 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2864 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2555 | checks [checkcnt - 1] = w; |
2865 | checks [checkcnt - 1] = w; |
|
|
2866 | |
|
|
2867 | EV_FREQUENT_CHECK; |
2556 | } |
2868 | } |
2557 | |
2869 | |
2558 | void |
2870 | void |
2559 | ev_check_stop (EV_P_ ev_check *w) |
2871 | ev_check_stop (EV_P_ ev_check *w) |
2560 | { |
2872 | { |
2561 | clear_pending (EV_A_ (W)w); |
2873 | clear_pending (EV_A_ (W)w); |
2562 | if (expect_false (!ev_is_active (w))) |
2874 | if (expect_false (!ev_is_active (w))) |
2563 | return; |
2875 | return; |
2564 | |
2876 | |
|
|
2877 | EV_FREQUENT_CHECK; |
|
|
2878 | |
2565 | { |
2879 | { |
2566 | int active = ev_active (w); |
2880 | int active = ev_active (w); |
2567 | |
2881 | |
2568 | checks [active - 1] = checks [--checkcnt]; |
2882 | checks [active - 1] = checks [--checkcnt]; |
2569 | ev_active (checks [active - 1]) = active; |
2883 | ev_active (checks [active - 1]) = active; |
2570 | } |
2884 | } |
2571 | |
2885 | |
2572 | ev_stop (EV_A_ (W)w); |
2886 | ev_stop (EV_A_ (W)w); |
|
|
2887 | |
|
|
2888 | EV_FREQUENT_CHECK; |
2573 | } |
2889 | } |
2574 | |
2890 | |
2575 | #if EV_EMBED_ENABLE |
2891 | #if EV_EMBED_ENABLE |
2576 | void noinline |
2892 | void noinline |
2577 | ev_embed_sweep (EV_P_ ev_embed *w) |
2893 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2604 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2920 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2605 | } |
2921 | } |
2606 | } |
2922 | } |
2607 | } |
2923 | } |
2608 | |
2924 | |
|
|
2925 | static void |
|
|
2926 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2927 | { |
|
|
2928 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2929 | |
|
|
2930 | ev_embed_stop (EV_A_ w); |
|
|
2931 | |
|
|
2932 | { |
|
|
2933 | struct ev_loop *loop = w->other; |
|
|
2934 | |
|
|
2935 | ev_loop_fork (EV_A); |
|
|
2936 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2937 | } |
|
|
2938 | |
|
|
2939 | ev_embed_start (EV_A_ w); |
|
|
2940 | } |
|
|
2941 | |
2609 | #if 0 |
2942 | #if 0 |
2610 | static void |
2943 | static void |
2611 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2944 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2612 | { |
2945 | { |
2613 | ev_idle_stop (EV_A_ idle); |
2946 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2620 | if (expect_false (ev_is_active (w))) |
2953 | if (expect_false (ev_is_active (w))) |
2621 | return; |
2954 | return; |
2622 | |
2955 | |
2623 | { |
2956 | { |
2624 | struct ev_loop *loop = w->other; |
2957 | struct ev_loop *loop = w->other; |
2625 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2958 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2626 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2959 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2627 | } |
2960 | } |
|
|
2961 | |
|
|
2962 | EV_FREQUENT_CHECK; |
2628 | |
2963 | |
2629 | ev_set_priority (&w->io, ev_priority (w)); |
2964 | ev_set_priority (&w->io, ev_priority (w)); |
2630 | ev_io_start (EV_A_ &w->io); |
2965 | ev_io_start (EV_A_ &w->io); |
2631 | |
2966 | |
2632 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2967 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2633 | ev_set_priority (&w->prepare, EV_MINPRI); |
2968 | ev_set_priority (&w->prepare, EV_MINPRI); |
2634 | ev_prepare_start (EV_A_ &w->prepare); |
2969 | ev_prepare_start (EV_A_ &w->prepare); |
2635 | |
2970 | |
|
|
2971 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2972 | ev_fork_start (EV_A_ &w->fork); |
|
|
2973 | |
2636 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2974 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2637 | |
2975 | |
2638 | ev_start (EV_A_ (W)w, 1); |
2976 | ev_start (EV_A_ (W)w, 1); |
|
|
2977 | |
|
|
2978 | EV_FREQUENT_CHECK; |
2639 | } |
2979 | } |
2640 | |
2980 | |
2641 | void |
2981 | void |
2642 | ev_embed_stop (EV_P_ ev_embed *w) |
2982 | ev_embed_stop (EV_P_ ev_embed *w) |
2643 | { |
2983 | { |
2644 | clear_pending (EV_A_ (W)w); |
2984 | clear_pending (EV_A_ (W)w); |
2645 | if (expect_false (!ev_is_active (w))) |
2985 | if (expect_false (!ev_is_active (w))) |
2646 | return; |
2986 | return; |
2647 | |
2987 | |
|
|
2988 | EV_FREQUENT_CHECK; |
|
|
2989 | |
2648 | ev_io_stop (EV_A_ &w->io); |
2990 | ev_io_stop (EV_A_ &w->io); |
2649 | ev_prepare_stop (EV_A_ &w->prepare); |
2991 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2992 | ev_fork_stop (EV_A_ &w->fork); |
2650 | |
2993 | |
2651 | ev_stop (EV_A_ (W)w); |
2994 | EV_FREQUENT_CHECK; |
2652 | } |
2995 | } |
2653 | #endif |
2996 | #endif |
2654 | |
2997 | |
2655 | #if EV_FORK_ENABLE |
2998 | #if EV_FORK_ENABLE |
2656 | void |
2999 | void |
2657 | ev_fork_start (EV_P_ ev_fork *w) |
3000 | ev_fork_start (EV_P_ ev_fork *w) |
2658 | { |
3001 | { |
2659 | if (expect_false (ev_is_active (w))) |
3002 | if (expect_false (ev_is_active (w))) |
2660 | return; |
3003 | return; |
|
|
3004 | |
|
|
3005 | EV_FREQUENT_CHECK; |
2661 | |
3006 | |
2662 | ev_start (EV_A_ (W)w, ++forkcnt); |
3007 | ev_start (EV_A_ (W)w, ++forkcnt); |
2663 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
3008 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2664 | forks [forkcnt - 1] = w; |
3009 | forks [forkcnt - 1] = w; |
|
|
3010 | |
|
|
3011 | EV_FREQUENT_CHECK; |
2665 | } |
3012 | } |
2666 | |
3013 | |
2667 | void |
3014 | void |
2668 | ev_fork_stop (EV_P_ ev_fork *w) |
3015 | ev_fork_stop (EV_P_ ev_fork *w) |
2669 | { |
3016 | { |
2670 | clear_pending (EV_A_ (W)w); |
3017 | clear_pending (EV_A_ (W)w); |
2671 | if (expect_false (!ev_is_active (w))) |
3018 | if (expect_false (!ev_is_active (w))) |
2672 | return; |
3019 | return; |
2673 | |
3020 | |
|
|
3021 | EV_FREQUENT_CHECK; |
|
|
3022 | |
2674 | { |
3023 | { |
2675 | int active = ev_active (w); |
3024 | int active = ev_active (w); |
2676 | |
3025 | |
2677 | forks [active - 1] = forks [--forkcnt]; |
3026 | forks [active - 1] = forks [--forkcnt]; |
2678 | ev_active (forks [active - 1]) = active; |
3027 | ev_active (forks [active - 1]) = active; |
2679 | } |
3028 | } |
2680 | |
3029 | |
2681 | ev_stop (EV_A_ (W)w); |
3030 | ev_stop (EV_A_ (W)w); |
|
|
3031 | |
|
|
3032 | EV_FREQUENT_CHECK; |
2682 | } |
3033 | } |
2683 | #endif |
3034 | #endif |
2684 | |
3035 | |
2685 | #if EV_ASYNC_ENABLE |
3036 | #if EV_ASYNC_ENABLE |
2686 | void |
3037 | void |
… | |
… | |
2688 | { |
3039 | { |
2689 | if (expect_false (ev_is_active (w))) |
3040 | if (expect_false (ev_is_active (w))) |
2690 | return; |
3041 | return; |
2691 | |
3042 | |
2692 | evpipe_init (EV_A); |
3043 | evpipe_init (EV_A); |
|
|
3044 | |
|
|
3045 | EV_FREQUENT_CHECK; |
2693 | |
3046 | |
2694 | ev_start (EV_A_ (W)w, ++asynccnt); |
3047 | ev_start (EV_A_ (W)w, ++asynccnt); |
2695 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
3048 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2696 | asyncs [asynccnt - 1] = w; |
3049 | asyncs [asynccnt - 1] = w; |
|
|
3050 | |
|
|
3051 | EV_FREQUENT_CHECK; |
2697 | } |
3052 | } |
2698 | |
3053 | |
2699 | void |
3054 | void |
2700 | ev_async_stop (EV_P_ ev_async *w) |
3055 | ev_async_stop (EV_P_ ev_async *w) |
2701 | { |
3056 | { |
2702 | clear_pending (EV_A_ (W)w); |
3057 | clear_pending (EV_A_ (W)w); |
2703 | if (expect_false (!ev_is_active (w))) |
3058 | if (expect_false (!ev_is_active (w))) |
2704 | return; |
3059 | return; |
2705 | |
3060 | |
|
|
3061 | EV_FREQUENT_CHECK; |
|
|
3062 | |
2706 | { |
3063 | { |
2707 | int active = ev_active (w); |
3064 | int active = ev_active (w); |
2708 | |
3065 | |
2709 | asyncs [active - 1] = asyncs [--asynccnt]; |
3066 | asyncs [active - 1] = asyncs [--asynccnt]; |
2710 | ev_active (asyncs [active - 1]) = active; |
3067 | ev_active (asyncs [active - 1]) = active; |
2711 | } |
3068 | } |
2712 | |
3069 | |
2713 | ev_stop (EV_A_ (W)w); |
3070 | ev_stop (EV_A_ (W)w); |
|
|
3071 | |
|
|
3072 | EV_FREQUENT_CHECK; |
2714 | } |
3073 | } |
2715 | |
3074 | |
2716 | void |
3075 | void |
2717 | ev_async_send (EV_P_ ev_async *w) |
3076 | ev_async_send (EV_P_ ev_async *w) |
2718 | { |
3077 | { |
… | |
… | |
2735 | once_cb (EV_P_ struct ev_once *once, int revents) |
3094 | once_cb (EV_P_ struct ev_once *once, int revents) |
2736 | { |
3095 | { |
2737 | void (*cb)(int revents, void *arg) = once->cb; |
3096 | void (*cb)(int revents, void *arg) = once->cb; |
2738 | void *arg = once->arg; |
3097 | void *arg = once->arg; |
2739 | |
3098 | |
2740 | ev_io_stop (EV_A_ &once->io); |
3099 | ev_io_stop (EV_A_ &once->io); |
2741 | ev_timer_stop (EV_A_ &once->to); |
3100 | ev_timer_stop (EV_A_ &once->to); |
2742 | ev_free (once); |
3101 | ev_free (once); |
2743 | |
3102 | |
2744 | cb (revents, arg); |
3103 | cb (revents, arg); |
2745 | } |
3104 | } |
2746 | |
3105 | |
2747 | static void |
3106 | static void |
2748 | once_cb_io (EV_P_ ev_io *w, int revents) |
3107 | once_cb_io (EV_P_ ev_io *w, int revents) |
2749 | { |
3108 | { |
2750 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3109 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3110 | |
|
|
3111 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2751 | } |
3112 | } |
2752 | |
3113 | |
2753 | static void |
3114 | static void |
2754 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3115 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2755 | { |
3116 | { |
2756 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3117 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3118 | |
|
|
3119 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2757 | } |
3120 | } |
2758 | |
3121 | |
2759 | void |
3122 | void |
2760 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3123 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2761 | { |
3124 | { |