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 |
|
|
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 |
|
|
183 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
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 |
|
|
272 | # define EV_HEAP_CACHE_AT 1 |
|
|
273 | #endif |
|
|
274 | |
|
|
275 | #ifndef EV_VERIFY |
|
|
276 | # define EV_VERIFY !EV_MINIMAL |
|
|
277 | #endif |
|
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278 | |
|
|
279 | #ifndef EV_USE_4HEAP |
|
|
280 | # define EV_USE_4HEAP !EV_MINIMAL |
|
|
281 | #endif |
|
|
282 | |
|
|
283 | #ifndef EV_HEAP_CACHE_AT |
|
|
284 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
285 | #endif |
|
|
286 | |
240 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
287 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
241 | |
288 | |
242 | #ifndef CLOCK_MONOTONIC |
289 | #ifndef CLOCK_MONOTONIC |
243 | # undef EV_USE_MONOTONIC |
290 | # undef EV_USE_MONOTONIC |
244 | # define EV_USE_MONOTONIC 0 |
291 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
259 | # include <sys/select.h> |
306 | # include <sys/select.h> |
260 | # endif |
307 | # endif |
261 | #endif |
308 | #endif |
262 | |
309 | |
263 | #if EV_USE_INOTIFY |
310 | #if EV_USE_INOTIFY |
|
|
311 | # include <sys/utsname.h> |
|
|
312 | # include <sys/statfs.h> |
264 | # 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 |
|
|
316 | # undef EV_USE_INOTIFY |
|
|
317 | # define EV_USE_INOTIFY 0 |
|
|
318 | # endif |
265 | #endif |
319 | #endif |
266 | |
320 | |
267 | #if EV_SELECT_IS_WINSOCKET |
321 | #if EV_SELECT_IS_WINSOCKET |
268 | # 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, */ |
|
|
326 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
327 | #if EV_USE_CLOCK_SYSCALL |
|
|
328 | # include <syscall.h> |
|
|
329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
330 | # undef EV_USE_MONOTONIC |
|
|
331 | # define EV_USE_MONOTONIC 1 |
269 | #endif |
332 | #endif |
270 | |
333 | |
271 | #if EV_USE_EVENTFD |
334 | #if EV_USE_EVENTFD |
272 | /* 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 */ |
273 | # include <stdint.h> |
336 | # include <stdint.h> |
… | |
… | |
279 | } |
342 | } |
280 | # endif |
343 | # endif |
281 | #endif |
344 | #endif |
282 | |
345 | |
283 | /**/ |
346 | /**/ |
|
|
347 | |
|
|
348 | #if EV_VERIFY >= 3 |
|
|
349 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
|
350 | #else |
|
|
351 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
352 | #endif |
284 | |
353 | |
285 | /* |
354 | /* |
286 | * This is used to avoid floating point rounding problems. |
355 | * This is used to avoid floating point rounding problems. |
287 | * It is added to ev_rt_now when scheduling periodics |
356 | * It is added to ev_rt_now when scheduling periodics |
288 | * to ensure progress, time-wise, even when rounding |
357 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
325 | |
394 | |
326 | typedef ev_watcher *W; |
395 | typedef ev_watcher *W; |
327 | typedef ev_watcher_list *WL; |
396 | typedef ev_watcher_list *WL; |
328 | typedef ev_watcher_time *WT; |
397 | typedef ev_watcher_time *WT; |
329 | |
398 | |
330 | #if EV_USE_MONOTONIC |
399 | #define ev_active(w) ((W)(w))->active |
|
|
400 | #define ev_at(w) ((WT)(w))->at |
|
|
401 | |
|
|
402 | #if EV_USE_REALTIME |
331 | /* 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 */ |
332 | /* 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? */ |
|
|
406 | #endif |
|
|
407 | |
|
|
408 | #if EV_USE_MONOTONIC |
333 | 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? */ |
334 | #endif |
410 | #endif |
335 | |
411 | |
336 | #ifdef _WIN32 |
412 | #ifdef _WIN32 |
337 | # include "ev_win32.c" |
413 | # include "ev_win32.c" |
… | |
… | |
346 | { |
422 | { |
347 | syserr_cb = cb; |
423 | syserr_cb = cb; |
348 | } |
424 | } |
349 | |
425 | |
350 | static void noinline |
426 | static void noinline |
351 | syserr (const char *msg) |
427 | ev_syserr (const char *msg) |
352 | { |
428 | { |
353 | if (!msg) |
429 | if (!msg) |
354 | msg = "(libev) system error"; |
430 | msg = "(libev) system error"; |
355 | |
431 | |
356 | if (syserr_cb) |
432 | if (syserr_cb) |
… | |
… | |
407 | typedef struct |
483 | typedef struct |
408 | { |
484 | { |
409 | WL head; |
485 | WL head; |
410 | unsigned char events; |
486 | unsigned char events; |
411 | unsigned char reify; |
487 | unsigned char reify; |
|
|
488 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
|
|
489 | unsigned char unused; |
|
|
490 | #if EV_USE_EPOLL |
|
|
491 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
492 | #endif |
412 | #if EV_SELECT_IS_WINSOCKET |
493 | #if EV_SELECT_IS_WINSOCKET |
413 | SOCKET handle; |
494 | SOCKET handle; |
414 | #endif |
495 | #endif |
415 | } ANFD; |
496 | } ANFD; |
416 | |
497 | |
… | |
… | |
419 | W w; |
500 | W w; |
420 | int events; |
501 | int events; |
421 | } ANPENDING; |
502 | } ANPENDING; |
422 | |
503 | |
423 | #if EV_USE_INOTIFY |
504 | #if EV_USE_INOTIFY |
|
|
505 | /* hash table entry per inotify-id */ |
424 | typedef struct |
506 | typedef struct |
425 | { |
507 | { |
426 | WL head; |
508 | WL head; |
427 | } ANFS; |
509 | } ANFS; |
|
|
510 | #endif |
|
|
511 | |
|
|
512 | /* Heap Entry */ |
|
|
513 | #if EV_HEAP_CACHE_AT |
|
|
514 | typedef struct { |
|
|
515 | ev_tstamp at; |
|
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516 | WT w; |
|
|
517 | } ANHE; |
|
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518 | |
|
|
519 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
520 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
521 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
522 | #else |
|
|
523 | typedef WT ANHE; |
|
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524 | |
|
|
525 | #define ANHE_w(he) (he) |
|
|
526 | #define ANHE_at(he) (he)->at |
|
|
527 | #define ANHE_at_cache(he) |
428 | #endif |
528 | #endif |
429 | |
529 | |
430 | #if EV_MULTIPLICITY |
530 | #if EV_MULTIPLICITY |
431 | |
531 | |
432 | struct ev_loop |
532 | struct ev_loop |
… | |
… | |
457 | |
557 | |
458 | ev_tstamp |
558 | ev_tstamp |
459 | ev_time (void) |
559 | ev_time (void) |
460 | { |
560 | { |
461 | #if EV_USE_REALTIME |
561 | #if EV_USE_REALTIME |
|
|
562 | if (expect_true (have_realtime)) |
|
|
563 | { |
462 | struct timespec ts; |
564 | struct timespec ts; |
463 | clock_gettime (CLOCK_REALTIME, &ts); |
565 | clock_gettime (CLOCK_REALTIME, &ts); |
464 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
566 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
465 | #else |
567 | } |
|
|
568 | #endif |
|
|
569 | |
466 | struct timeval tv; |
570 | struct timeval tv; |
467 | gettimeofday (&tv, 0); |
571 | gettimeofday (&tv, 0); |
468 | return tv.tv_sec + tv.tv_usec * 1e-6; |
572 | return tv.tv_sec + tv.tv_usec * 1e-6; |
469 | #endif |
|
|
470 | } |
573 | } |
471 | |
574 | |
472 | ev_tstamp inline_size |
575 | ev_tstamp inline_size |
473 | get_clock (void) |
576 | get_clock (void) |
474 | { |
577 | { |
… | |
… | |
510 | struct timeval tv; |
613 | struct timeval tv; |
511 | |
614 | |
512 | tv.tv_sec = (time_t)delay; |
615 | tv.tv_sec = (time_t)delay; |
513 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
616 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
514 | |
617 | |
|
|
618 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
619 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
620 | /* by older ones */ |
515 | select (0, 0, 0, 0, &tv); |
621 | select (0, 0, 0, 0, &tv); |
516 | #endif |
622 | #endif |
517 | } |
623 | } |
518 | } |
624 | } |
519 | |
625 | |
520 | /*****************************************************************************/ |
626 | /*****************************************************************************/ |
|
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627 | |
|
|
628 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
521 | |
629 | |
522 | int inline_size |
630 | int inline_size |
523 | array_nextsize (int elem, int cur, int cnt) |
631 | array_nextsize (int elem, int cur, int cnt) |
524 | { |
632 | { |
525 | int ncur = cur + 1; |
633 | int ncur = cur + 1; |
526 | |
634 | |
527 | do |
635 | do |
528 | ncur <<= 1; |
636 | ncur <<= 1; |
529 | while (cnt > ncur); |
637 | while (cnt > ncur); |
530 | |
638 | |
531 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
639 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
532 | if (elem * ncur > 4096) |
640 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
533 | { |
641 | { |
534 | ncur *= elem; |
642 | ncur *= elem; |
535 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
643 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
536 | ncur = ncur - sizeof (void *) * 4; |
644 | ncur = ncur - sizeof (void *) * 4; |
537 | ncur /= elem; |
645 | ncur /= elem; |
538 | } |
646 | } |
539 | |
647 | |
540 | return ncur; |
648 | return ncur; |
… | |
… | |
544 | array_realloc (int elem, void *base, int *cur, int cnt) |
652 | array_realloc (int elem, void *base, int *cur, int cnt) |
545 | { |
653 | { |
546 | *cur = array_nextsize (elem, *cur, cnt); |
654 | *cur = array_nextsize (elem, *cur, cnt); |
547 | return ev_realloc (base, elem * *cur); |
655 | return ev_realloc (base, elem * *cur); |
548 | } |
656 | } |
|
|
657 | |
|
|
658 | #define array_init_zero(base,count) \ |
|
|
659 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
549 | |
660 | |
550 | #define array_needsize(type,base,cur,cnt,init) \ |
661 | #define array_needsize(type,base,cur,cnt,init) \ |
551 | if (expect_false ((cnt) > (cur))) \ |
662 | if (expect_false ((cnt) > (cur))) \ |
552 | { \ |
663 | { \ |
553 | int ocur_ = (cur); \ |
664 | int ocur_ = (cur); \ |
… | |
… | |
565 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
676 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
566 | } |
677 | } |
567 | #endif |
678 | #endif |
568 | |
679 | |
569 | #define array_free(stem, idx) \ |
680 | #define array_free(stem, idx) \ |
570 | 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 |
571 | |
682 | |
572 | /*****************************************************************************/ |
683 | /*****************************************************************************/ |
573 | |
684 | |
574 | void noinline |
685 | void noinline |
575 | ev_feed_event (EV_P_ void *w, int revents) |
686 | ev_feed_event (EV_P_ void *w, int revents) |
… | |
… | |
597 | ev_feed_event (EV_A_ events [i], type); |
708 | ev_feed_event (EV_A_ events [i], type); |
598 | } |
709 | } |
599 | |
710 | |
600 | /*****************************************************************************/ |
711 | /*****************************************************************************/ |
601 | |
712 | |
602 | void inline_size |
|
|
603 | anfds_init (ANFD *base, int count) |
|
|
604 | { |
|
|
605 | while (count--) |
|
|
606 | { |
|
|
607 | base->head = 0; |
|
|
608 | base->events = EV_NONE; |
|
|
609 | base->reify = 0; |
|
|
610 | |
|
|
611 | ++base; |
|
|
612 | } |
|
|
613 | } |
|
|
614 | |
|
|
615 | void inline_speed |
713 | void inline_speed |
616 | fd_event (EV_P_ int fd, int revents) |
714 | fd_event (EV_P_ int fd, int revents) |
617 | { |
715 | { |
618 | ANFD *anfd = anfds + fd; |
716 | ANFD *anfd = anfds + fd; |
619 | ev_io *w; |
717 | ev_io *w; |
… | |
… | |
651 | events |= (unsigned char)w->events; |
749 | events |= (unsigned char)w->events; |
652 | |
750 | |
653 | #if EV_SELECT_IS_WINSOCKET |
751 | #if EV_SELECT_IS_WINSOCKET |
654 | if (events) |
752 | if (events) |
655 | { |
753 | { |
656 | unsigned long argp; |
754 | unsigned long arg; |
657 | #ifdef EV_FD_TO_WIN32_HANDLE |
755 | #ifdef EV_FD_TO_WIN32_HANDLE |
658 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
756 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
659 | #else |
757 | #else |
660 | anfd->handle = _get_osfhandle (fd); |
758 | anfd->handle = _get_osfhandle (fd); |
661 | #endif |
759 | #endif |
662 | 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)); |
663 | } |
761 | } |
664 | #endif |
762 | #endif |
665 | |
763 | |
666 | { |
764 | { |
667 | unsigned char o_events = anfd->events; |
765 | unsigned char o_events = anfd->events; |
668 | unsigned char o_reify = anfd->reify; |
766 | unsigned char o_reify = anfd->reify; |
669 | |
767 | |
670 | anfd->reify = 0; |
768 | anfd->reify = 0; |
671 | anfd->events = events; |
769 | anfd->events = events; |
672 | |
770 | |
673 | if (o_events != events || o_reify & EV_IOFDSET) |
771 | if (o_events != events || o_reify & EV__IOFDSET) |
674 | backend_modify (EV_A_ fd, o_events, events); |
772 | backend_modify (EV_A_ fd, o_events, events); |
675 | } |
773 | } |
676 | } |
774 | } |
677 | |
775 | |
678 | fdchangecnt = 0; |
776 | fdchangecnt = 0; |
… | |
… | |
720 | { |
818 | { |
721 | int fd; |
819 | int fd; |
722 | |
820 | |
723 | for (fd = 0; fd < anfdmax; ++fd) |
821 | for (fd = 0; fd < anfdmax; ++fd) |
724 | if (anfds [fd].events) |
822 | if (anfds [fd].events) |
725 | if (!fd_valid (fd) == -1 && errno == EBADF) |
823 | if (!fd_valid (fd) && errno == EBADF) |
726 | fd_kill (EV_A_ fd); |
824 | fd_kill (EV_A_ fd); |
727 | } |
825 | } |
728 | |
826 | |
729 | /* 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 */ |
730 | static void noinline |
828 | static void noinline |
… | |
… | |
748 | |
846 | |
749 | for (fd = 0; fd < anfdmax; ++fd) |
847 | for (fd = 0; fd < anfdmax; ++fd) |
750 | if (anfds [fd].events) |
848 | if (anfds [fd].events) |
751 | { |
849 | { |
752 | anfds [fd].events = 0; |
850 | anfds [fd].events = 0; |
|
|
851 | anfds [fd].emask = 0; |
753 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
852 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
754 | } |
853 | } |
755 | } |
854 | } |
756 | |
855 | |
757 | /*****************************************************************************/ |
856 | /*****************************************************************************/ |
758 | |
857 | |
|
|
858 | /* |
|
|
859 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
860 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
861 | * the branching factor of the d-tree. |
|
|
862 | */ |
|
|
863 | |
|
|
864 | /* |
|
|
865 | * at the moment we allow libev the luxury of two heaps, |
|
|
866 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
867 | * which is more cache-efficient. |
|
|
868 | * the difference is about 5% with 50000+ watchers. |
|
|
869 | */ |
|
|
870 | #if EV_USE_4HEAP |
|
|
871 | |
|
|
872 | #define DHEAP 4 |
|
|
873 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
874 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
875 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
876 | |
|
|
877 | /* away from the root */ |
759 | void inline_speed |
878 | void inline_speed |
760 | upheap (WT *heap, int k) |
879 | downheap (ANHE *heap, int N, int k) |
761 | { |
880 | { |
762 | WT w = heap [k]; |
881 | ANHE he = heap [k]; |
|
|
882 | ANHE *E = heap + N + HEAP0; |
763 | |
883 | |
764 | while (k) |
884 | for (;;) |
765 | { |
885 | { |
766 | int p = (k - 1) >> 1; |
886 | ev_tstamp minat; |
|
|
887 | ANHE *minpos; |
|
|
888 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
767 | |
889 | |
768 | if (heap [p]->at <= w->at) |
890 | /* find minimum child */ |
|
|
891 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
892 | { |
|
|
893 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
894 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
895 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
896 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
897 | } |
|
|
898 | else if (pos < E) |
|
|
899 | { |
|
|
900 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
901 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
902 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
903 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
904 | } |
|
|
905 | else |
769 | break; |
906 | break; |
770 | |
907 | |
|
|
908 | if (ANHE_at (he) <= minat) |
|
|
909 | break; |
|
|
910 | |
|
|
911 | heap [k] = *minpos; |
|
|
912 | ev_active (ANHE_w (*minpos)) = k; |
|
|
913 | |
|
|
914 | k = minpos - heap; |
|
|
915 | } |
|
|
916 | |
|
|
917 | heap [k] = he; |
|
|
918 | ev_active (ANHE_w (he)) = k; |
|
|
919 | } |
|
|
920 | |
|
|
921 | #else /* 4HEAP */ |
|
|
922 | |
|
|
923 | #define HEAP0 1 |
|
|
924 | #define HPARENT(k) ((k) >> 1) |
|
|
925 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
926 | |
|
|
927 | /* away from the root */ |
|
|
928 | void inline_speed |
|
|
929 | downheap (ANHE *heap, int N, int k) |
|
|
930 | { |
|
|
931 | ANHE he = heap [k]; |
|
|
932 | |
|
|
933 | for (;;) |
|
|
934 | { |
|
|
935 | int c = k << 1; |
|
|
936 | |
|
|
937 | if (c > N + HEAP0 - 1) |
|
|
938 | break; |
|
|
939 | |
|
|
940 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
941 | ? 1 : 0; |
|
|
942 | |
|
|
943 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
944 | break; |
|
|
945 | |
|
|
946 | heap [k] = heap [c]; |
|
|
947 | ev_active (ANHE_w (heap [k])) = k; |
|
|
948 | |
|
|
949 | k = c; |
|
|
950 | } |
|
|
951 | |
|
|
952 | heap [k] = he; |
|
|
953 | ev_active (ANHE_w (he)) = k; |
|
|
954 | } |
|
|
955 | #endif |
|
|
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 | |
771 | heap [k] = heap [p]; |
970 | heap [k] = heap [p]; |
772 | ((W)heap [k])->active = k + 1; |
971 | ev_active (ANHE_w (heap [k])) = k; |
773 | k = p; |
972 | k = p; |
774 | } |
973 | } |
775 | |
974 | |
776 | heap [k] = w; |
975 | heap [k] = he; |
777 | ((W)heap [k])->active = k + 1; |
976 | ev_active (ANHE_w (he)) = k; |
778 | } |
|
|
779 | |
|
|
780 | void inline_speed |
|
|
781 | downheap (WT *heap, int N, int k) |
|
|
782 | { |
|
|
783 | WT w = heap [k]; |
|
|
784 | |
|
|
785 | for (;;) |
|
|
786 | { |
|
|
787 | int c = (k << 1) + 1; |
|
|
788 | |
|
|
789 | if (c >= N) |
|
|
790 | break; |
|
|
791 | |
|
|
792 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
793 | ? 1 : 0; |
|
|
794 | |
|
|
795 | if (w->at <= heap [c]->at) |
|
|
796 | break; |
|
|
797 | |
|
|
798 | heap [k] = heap [c]; |
|
|
799 | ((W)heap [k])->active = k + 1; |
|
|
800 | |
|
|
801 | k = c; |
|
|
802 | } |
|
|
803 | |
|
|
804 | heap [k] = w; |
|
|
805 | ((W)heap [k])->active = k + 1; |
|
|
806 | } |
977 | } |
807 | |
978 | |
808 | void inline_size |
979 | void inline_size |
809 | adjustheap (WT *heap, int N, int k) |
980 | adjustheap (ANHE *heap, int N, int k) |
810 | { |
981 | { |
|
|
982 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
811 | upheap (heap, k); |
983 | upheap (heap, k); |
|
|
984 | else |
812 | 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); |
813 | } |
998 | } |
814 | |
999 | |
815 | /*****************************************************************************/ |
1000 | /*****************************************************************************/ |
816 | |
1001 | |
817 | typedef struct |
1002 | typedef struct |
… | |
… | |
823 | static ANSIG *signals; |
1008 | static ANSIG *signals; |
824 | static int signalmax; |
1009 | static int signalmax; |
825 | |
1010 | |
826 | static EV_ATOMIC_T gotsig; |
1011 | static EV_ATOMIC_T gotsig; |
827 | |
1012 | |
828 | void inline_size |
|
|
829 | signals_init (ANSIG *base, int count) |
|
|
830 | { |
|
|
831 | while (count--) |
|
|
832 | { |
|
|
833 | base->head = 0; |
|
|
834 | base->gotsig = 0; |
|
|
835 | |
|
|
836 | ++base; |
|
|
837 | } |
|
|
838 | } |
|
|
839 | |
|
|
840 | /*****************************************************************************/ |
1013 | /*****************************************************************************/ |
841 | |
1014 | |
842 | void inline_speed |
1015 | void inline_speed |
843 | fd_intern (int fd) |
1016 | fd_intern (int fd) |
844 | { |
1017 | { |
845 | #ifdef _WIN32 |
1018 | #ifdef _WIN32 |
846 | int arg = 1; |
1019 | unsigned long arg = 1; |
847 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1020 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
848 | #else |
1021 | #else |
849 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1022 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
850 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1023 | fcntl (fd, F_SETFL, O_NONBLOCK); |
851 | #endif |
1024 | #endif |
… | |
… | |
865 | } |
1038 | } |
866 | else |
1039 | else |
867 | #endif |
1040 | #endif |
868 | { |
1041 | { |
869 | while (pipe (evpipe)) |
1042 | while (pipe (evpipe)) |
870 | syserr ("(libev) error creating signal/async pipe"); |
1043 | ev_syserr ("(libev) error creating signal/async pipe"); |
871 | |
1044 | |
872 | fd_intern (evpipe [0]); |
1045 | fd_intern (evpipe [0]); |
873 | fd_intern (evpipe [1]); |
1046 | fd_intern (evpipe [1]); |
874 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1047 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
875 | } |
1048 | } |
… | |
… | |
906 | pipecb (EV_P_ ev_io *iow, int revents) |
1079 | pipecb (EV_P_ ev_io *iow, int revents) |
907 | { |
1080 | { |
908 | #if EV_USE_EVENTFD |
1081 | #if EV_USE_EVENTFD |
909 | if (evfd >= 0) |
1082 | if (evfd >= 0) |
910 | { |
1083 | { |
911 | uint64_t counter = 1; |
1084 | uint64_t counter; |
912 | read (evfd, &counter, sizeof (uint64_t)); |
1085 | read (evfd, &counter, sizeof (uint64_t)); |
913 | } |
1086 | } |
914 | else |
1087 | else |
915 | #endif |
1088 | #endif |
916 | { |
1089 | { |
… | |
… | |
965 | ev_feed_signal_event (EV_P_ int signum) |
1138 | ev_feed_signal_event (EV_P_ int signum) |
966 | { |
1139 | { |
967 | WL w; |
1140 | WL w; |
968 | |
1141 | |
969 | #if EV_MULTIPLICITY |
1142 | #if EV_MULTIPLICITY |
970 | 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)); |
971 | #endif |
1144 | #endif |
972 | |
1145 | |
973 | --signum; |
1146 | --signum; |
974 | |
1147 | |
975 | if (signum < 0 || signum >= signalmax) |
1148 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
1104 | /* kqueue is borked on everything but netbsd apparently */ |
1277 | /* kqueue is borked on everything but netbsd apparently */ |
1105 | /* 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 */ |
1106 | flags &= ~EVBACKEND_KQUEUE; |
1279 | flags &= ~EVBACKEND_KQUEUE; |
1107 | #endif |
1280 | #endif |
1108 | #ifdef __APPLE__ |
1281 | #ifdef __APPLE__ |
1109 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1282 | /* only select works correctly on that "unix-certified" platform */ |
1110 | 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 */ |
1111 | #endif |
1285 | #endif |
1112 | |
1286 | |
1113 | return flags; |
1287 | return flags; |
1114 | } |
1288 | } |
1115 | |
1289 | |
… | |
… | |
1152 | static void noinline |
1326 | static void noinline |
1153 | loop_init (EV_P_ unsigned int flags) |
1327 | loop_init (EV_P_ unsigned int flags) |
1154 | { |
1328 | { |
1155 | if (!backend) |
1329 | if (!backend) |
1156 | { |
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 | |
1157 | #if EV_USE_MONOTONIC |
1341 | #if EV_USE_MONOTONIC |
|
|
1342 | if (!have_monotonic) |
1158 | { |
1343 | { |
1159 | struct timespec ts; |
1344 | struct timespec ts; |
|
|
1345 | |
1160 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1346 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1161 | have_monotonic = 1; |
1347 | have_monotonic = 1; |
1162 | } |
1348 | } |
1163 | #endif |
1349 | #endif |
1164 | |
1350 | |
1165 | ev_rt_now = ev_time (); |
1351 | ev_rt_now = ev_time (); |
1166 | mn_now = get_clock (); |
1352 | mn_now = get_clock (); |
1167 | now_floor = mn_now; |
1353 | now_floor = mn_now; |
… | |
… | |
1335 | |
1521 | |
1336 | postfork = 0; |
1522 | postfork = 0; |
1337 | } |
1523 | } |
1338 | |
1524 | |
1339 | #if EV_MULTIPLICITY |
1525 | #if EV_MULTIPLICITY |
|
|
1526 | |
1340 | struct ev_loop * |
1527 | struct ev_loop * |
1341 | ev_loop_new (unsigned int flags) |
1528 | ev_loop_new (unsigned int flags) |
1342 | { |
1529 | { |
1343 | 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)); |
1344 | |
1531 | |
… | |
… | |
1363 | ev_loop_fork (EV_P) |
1550 | ev_loop_fork (EV_P) |
1364 | { |
1551 | { |
1365 | postfork = 1; /* must be in line with ev_default_fork */ |
1552 | postfork = 1; /* must be in line with ev_default_fork */ |
1366 | } |
1553 | } |
1367 | |
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) |
1368 | #endif |
1650 | # endif |
|
|
1651 | #endif |
|
|
1652 | } |
|
|
1653 | |
|
|
1654 | #endif /* multiplicity */ |
1369 | |
1655 | |
1370 | #if EV_MULTIPLICITY |
1656 | #if EV_MULTIPLICITY |
1371 | struct ev_loop * |
1657 | struct ev_loop * |
1372 | ev_default_loop_init (unsigned int flags) |
1658 | ev_default_loop_init (unsigned int flags) |
1373 | #else |
1659 | #else |
… | |
… | |
1406 | { |
1692 | { |
1407 | #if EV_MULTIPLICITY |
1693 | #if EV_MULTIPLICITY |
1408 | struct ev_loop *loop = ev_default_loop_ptr; |
1694 | struct ev_loop *loop = ev_default_loop_ptr; |
1409 | #endif |
1695 | #endif |
1410 | |
1696 | |
|
|
1697 | ev_default_loop_ptr = 0; |
|
|
1698 | |
1411 | #ifndef _WIN32 |
1699 | #ifndef _WIN32 |
1412 | ev_ref (EV_A); /* child watcher */ |
1700 | ev_ref (EV_A); /* child watcher */ |
1413 | ev_signal_stop (EV_A_ &childev); |
1701 | ev_signal_stop (EV_A_ &childev); |
1414 | #endif |
1702 | #endif |
1415 | |
1703 | |
… | |
… | |
1421 | { |
1709 | { |
1422 | #if EV_MULTIPLICITY |
1710 | #if EV_MULTIPLICITY |
1423 | struct ev_loop *loop = ev_default_loop_ptr; |
1711 | struct ev_loop *loop = ev_default_loop_ptr; |
1424 | #endif |
1712 | #endif |
1425 | |
1713 | |
1426 | if (backend) |
|
|
1427 | postfork = 1; /* must be in line with ev_loop_fork */ |
1714 | postfork = 1; /* must be in line with ev_loop_fork */ |
1428 | } |
1715 | } |
1429 | |
1716 | |
1430 | /*****************************************************************************/ |
1717 | /*****************************************************************************/ |
1431 | |
1718 | |
1432 | void |
1719 | void |
… | |
… | |
1445 | { |
1732 | { |
1446 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1733 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1447 | |
1734 | |
1448 | if (expect_true (p->w)) |
1735 | if (expect_true (p->w)) |
1449 | { |
1736 | { |
1450 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1737 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
1451 | |
1738 | |
1452 | p->w->pending = 0; |
1739 | p->w->pending = 0; |
1453 | EV_CB_INVOKE (p->w, p->events); |
1740 | EV_CB_INVOKE (p->w, p->events); |
|
|
1741 | EV_FREQUENT_CHECK; |
1454 | } |
1742 | } |
1455 | } |
1743 | } |
1456 | } |
1744 | } |
1457 | |
|
|
1458 | void inline_size |
|
|
1459 | timers_reify (EV_P) |
|
|
1460 | { |
|
|
1461 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1462 | { |
|
|
1463 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1464 | |
|
|
1465 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1466 | |
|
|
1467 | /* first reschedule or stop timer */ |
|
|
1468 | if (w->repeat) |
|
|
1469 | { |
|
|
1470 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1471 | |
|
|
1472 | ((WT)w)->at += w->repeat; |
|
|
1473 | if (((WT)w)->at < mn_now) |
|
|
1474 | ((WT)w)->at = mn_now; |
|
|
1475 | |
|
|
1476 | downheap (timers, timercnt, 0); |
|
|
1477 | } |
|
|
1478 | else |
|
|
1479 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1480 | |
|
|
1481 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1482 | } |
|
|
1483 | } |
|
|
1484 | |
|
|
1485 | #if EV_PERIODIC_ENABLE |
|
|
1486 | void inline_size |
|
|
1487 | periodics_reify (EV_P) |
|
|
1488 | { |
|
|
1489 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1490 | { |
|
|
1491 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1492 | |
|
|
1493 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1494 | |
|
|
1495 | /* first reschedule or stop timer */ |
|
|
1496 | if (w->reschedule_cb) |
|
|
1497 | { |
|
|
1498 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1499 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1500 | downheap (periodics, periodiccnt, 0); |
|
|
1501 | } |
|
|
1502 | else if (w->interval) |
|
|
1503 | { |
|
|
1504 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1505 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1506 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1507 | downheap (periodics, periodiccnt, 0); |
|
|
1508 | } |
|
|
1509 | else |
|
|
1510 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1511 | |
|
|
1512 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1513 | } |
|
|
1514 | } |
|
|
1515 | |
|
|
1516 | static void noinline |
|
|
1517 | periodics_reschedule (EV_P) |
|
|
1518 | { |
|
|
1519 | int i; |
|
|
1520 | |
|
|
1521 | /* adjust periodics after time jump */ |
|
|
1522 | for (i = 0; i < periodiccnt; ++i) |
|
|
1523 | { |
|
|
1524 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1525 | |
|
|
1526 | if (w->reschedule_cb) |
|
|
1527 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1528 | else if (w->interval) |
|
|
1529 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1530 | } |
|
|
1531 | |
|
|
1532 | /* now rebuild the heap */ |
|
|
1533 | for (i = periodiccnt >> 1; i--; ) |
|
|
1534 | downheap (periodics, periodiccnt, i); |
|
|
1535 | } |
|
|
1536 | #endif |
|
|
1537 | |
1745 | |
1538 | #if EV_IDLE_ENABLE |
1746 | #if EV_IDLE_ENABLE |
1539 | void inline_size |
1747 | void inline_size |
1540 | idle_reify (EV_P) |
1748 | idle_reify (EV_P) |
1541 | { |
1749 | { |
… | |
… | |
1553 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1761 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1554 | break; |
1762 | break; |
1555 | } |
1763 | } |
1556 | } |
1764 | } |
1557 | } |
1765 | } |
|
|
1766 | } |
|
|
1767 | #endif |
|
|
1768 | |
|
|
1769 | void inline_size |
|
|
1770 | timers_reify (EV_P) |
|
|
1771 | { |
|
|
1772 | EV_FREQUENT_CHECK; |
|
|
1773 | |
|
|
1774 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1775 | { |
|
|
1776 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1777 | |
|
|
1778 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1779 | |
|
|
1780 | /* first reschedule or stop timer */ |
|
|
1781 | if (w->repeat) |
|
|
1782 | { |
|
|
1783 | ev_at (w) += w->repeat; |
|
|
1784 | if (ev_at (w) < mn_now) |
|
|
1785 | ev_at (w) = mn_now; |
|
|
1786 | |
|
|
1787 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1788 | |
|
|
1789 | ANHE_at_cache (timers [HEAP0]); |
|
|
1790 | downheap (timers, timercnt, HEAP0); |
|
|
1791 | } |
|
|
1792 | else |
|
|
1793 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1794 | |
|
|
1795 | EV_FREQUENT_CHECK; |
|
|
1796 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1797 | } |
|
|
1798 | } |
|
|
1799 | |
|
|
1800 | #if EV_PERIODIC_ENABLE |
|
|
1801 | void inline_size |
|
|
1802 | periodics_reify (EV_P) |
|
|
1803 | { |
|
|
1804 | EV_FREQUENT_CHECK; |
|
|
1805 | |
|
|
1806 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1807 | { |
|
|
1808 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1809 | |
|
|
1810 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1811 | |
|
|
1812 | /* first reschedule or stop timer */ |
|
|
1813 | if (w->reschedule_cb) |
|
|
1814 | { |
|
|
1815 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1816 | |
|
|
1817 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1818 | |
|
|
1819 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1820 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1821 | } |
|
|
1822 | else if (w->interval) |
|
|
1823 | { |
|
|
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 */ |
|
|
1827 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1828 | { |
|
|
1829 | ev_at (w) += w->interval; |
|
|
1830 | |
|
|
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 | } |
|
|
1837 | |
|
|
1838 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1839 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1840 | } |
|
|
1841 | else |
|
|
1842 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1843 | |
|
|
1844 | EV_FREQUENT_CHECK; |
|
|
1845 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1846 | } |
|
|
1847 | } |
|
|
1848 | |
|
|
1849 | static void noinline |
|
|
1850 | periodics_reschedule (EV_P) |
|
|
1851 | { |
|
|
1852 | int i; |
|
|
1853 | |
|
|
1854 | /* adjust periodics after time jump */ |
|
|
1855 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1856 | { |
|
|
1857 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1858 | |
|
|
1859 | if (w->reschedule_cb) |
|
|
1860 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1861 | else if (w->interval) |
|
|
1862 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1863 | |
|
|
1864 | ANHE_at_cache (periodics [i]); |
|
|
1865 | } |
|
|
1866 | |
|
|
1867 | reheap (periodics, periodiccnt); |
1558 | } |
1868 | } |
1559 | #endif |
1869 | #endif |
1560 | |
1870 | |
1561 | void inline_speed |
1871 | void inline_speed |
1562 | time_update (EV_P_ ev_tstamp max_block) |
1872 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1591 | */ |
1901 | */ |
1592 | for (i = 4; --i; ) |
1902 | for (i = 4; --i; ) |
1593 | { |
1903 | { |
1594 | rtmn_diff = ev_rt_now - mn_now; |
1904 | rtmn_diff = ev_rt_now - mn_now; |
1595 | |
1905 | |
1596 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1906 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1597 | return; /* all is well */ |
1907 | return; /* all is well */ |
1598 | |
1908 | |
1599 | ev_rt_now = ev_time (); |
1909 | ev_rt_now = ev_time (); |
1600 | mn_now = get_clock (); |
1910 | mn_now = get_clock (); |
1601 | now_floor = mn_now; |
1911 | now_floor = mn_now; |
… | |
… | |
1617 | #if EV_PERIODIC_ENABLE |
1927 | #if EV_PERIODIC_ENABLE |
1618 | periodics_reschedule (EV_A); |
1928 | periodics_reschedule (EV_A); |
1619 | #endif |
1929 | #endif |
1620 | /* 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 */ |
1621 | for (i = 0; i < timercnt; ++i) |
1931 | for (i = 0; i < timercnt; ++i) |
|
|
1932 | { |
|
|
1933 | ANHE *he = timers + i + HEAP0; |
1622 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1934 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1935 | ANHE_at_cache (*he); |
|
|
1936 | } |
1623 | } |
1937 | } |
1624 | |
1938 | |
1625 | mn_now = ev_rt_now; |
1939 | mn_now = ev_rt_now; |
1626 | } |
1940 | } |
1627 | } |
1941 | } |
… | |
… | |
1636 | ev_unref (EV_P) |
1950 | ev_unref (EV_P) |
1637 | { |
1951 | { |
1638 | --activecnt; |
1952 | --activecnt; |
1639 | } |
1953 | } |
1640 | |
1954 | |
|
|
1955 | void |
|
|
1956 | ev_now_update (EV_P) |
|
|
1957 | { |
|
|
1958 | time_update (EV_A_ 1e100); |
|
|
1959 | } |
|
|
1960 | |
1641 | static int loop_done; |
1961 | static int loop_done; |
1642 | |
1962 | |
1643 | void |
1963 | void |
1644 | ev_loop (EV_P_ int flags) |
1964 | ev_loop (EV_P_ int flags) |
1645 | { |
1965 | { |
… | |
… | |
1647 | |
1967 | |
1648 | 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 */ |
1649 | |
1969 | |
1650 | do |
1970 | do |
1651 | { |
1971 | { |
|
|
1972 | #if EV_VERIFY >= 2 |
|
|
1973 | ev_loop_verify (EV_A); |
|
|
1974 | #endif |
|
|
1975 | |
1652 | #ifndef _WIN32 |
1976 | #ifndef _WIN32 |
1653 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1977 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1654 | if (expect_false (getpid () != curpid)) |
1978 | if (expect_false (getpid () != curpid)) |
1655 | { |
1979 | { |
1656 | curpid = getpid (); |
1980 | curpid = getpid (); |
… | |
… | |
1673 | { |
1997 | { |
1674 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1998 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1675 | call_pending (EV_A); |
1999 | call_pending (EV_A); |
1676 | } |
2000 | } |
1677 | |
2001 | |
1678 | if (expect_false (!activecnt)) |
|
|
1679 | break; |
|
|
1680 | |
|
|
1681 | /* we might have forked, so reify kernel state if necessary */ |
2002 | /* we might have forked, so reify kernel state if necessary */ |
1682 | if (expect_false (postfork)) |
2003 | if (expect_false (postfork)) |
1683 | loop_fork (EV_A); |
2004 | loop_fork (EV_A); |
1684 | |
2005 | |
1685 | /* update fd-related kernel structures */ |
2006 | /* update fd-related kernel structures */ |
… | |
… | |
1697 | |
2018 | |
1698 | waittime = MAX_BLOCKTIME; |
2019 | waittime = MAX_BLOCKTIME; |
1699 | |
2020 | |
1700 | if (timercnt) |
2021 | if (timercnt) |
1701 | { |
2022 | { |
1702 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
2023 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1703 | if (waittime > to) waittime = to; |
2024 | if (waittime > to) waittime = to; |
1704 | } |
2025 | } |
1705 | |
2026 | |
1706 | #if EV_PERIODIC_ENABLE |
2027 | #if EV_PERIODIC_ENABLE |
1707 | if (periodiccnt) |
2028 | if (periodiccnt) |
1708 | { |
2029 | { |
1709 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
2030 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1710 | if (waittime > to) waittime = to; |
2031 | if (waittime > to) waittime = to; |
1711 | } |
2032 | } |
1712 | #endif |
2033 | #endif |
1713 | |
2034 | |
1714 | if (expect_false (waittime < timeout_blocktime)) |
2035 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1849 | int fd = w->fd; |
2170 | int fd = w->fd; |
1850 | |
2171 | |
1851 | if (expect_false (ev_is_active (w))) |
2172 | if (expect_false (ev_is_active (w))) |
1852 | return; |
2173 | return; |
1853 | |
2174 | |
1854 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2175 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2176 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2177 | |
|
|
2178 | EV_FREQUENT_CHECK; |
1855 | |
2179 | |
1856 | ev_start (EV_A_ (W)w, 1); |
2180 | ev_start (EV_A_ (W)w, 1); |
1857 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2181 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1858 | wlist_add (&anfds[fd].head, (WL)w); |
2182 | wlist_add (&anfds[fd].head, (WL)w); |
1859 | |
2183 | |
1860 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2184 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
1861 | w->events &= ~EV_IOFDSET; |
2185 | w->events &= ~EV__IOFDSET; |
|
|
2186 | |
|
|
2187 | EV_FREQUENT_CHECK; |
1862 | } |
2188 | } |
1863 | |
2189 | |
1864 | void noinline |
2190 | void noinline |
1865 | ev_io_stop (EV_P_ ev_io *w) |
2191 | ev_io_stop (EV_P_ ev_io *w) |
1866 | { |
2192 | { |
1867 | clear_pending (EV_A_ (W)w); |
2193 | clear_pending (EV_A_ (W)w); |
1868 | if (expect_false (!ev_is_active (w))) |
2194 | if (expect_false (!ev_is_active (w))) |
1869 | return; |
2195 | return; |
1870 | |
2196 | |
1871 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2197 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2198 | |
|
|
2199 | EV_FREQUENT_CHECK; |
1872 | |
2200 | |
1873 | wlist_del (&anfds[w->fd].head, (WL)w); |
2201 | wlist_del (&anfds[w->fd].head, (WL)w); |
1874 | ev_stop (EV_A_ (W)w); |
2202 | ev_stop (EV_A_ (W)w); |
1875 | |
2203 | |
1876 | fd_change (EV_A_ w->fd, 1); |
2204 | fd_change (EV_A_ w->fd, 1); |
|
|
2205 | |
|
|
2206 | EV_FREQUENT_CHECK; |
1877 | } |
2207 | } |
1878 | |
2208 | |
1879 | void noinline |
2209 | void noinline |
1880 | ev_timer_start (EV_P_ ev_timer *w) |
2210 | ev_timer_start (EV_P_ ev_timer *w) |
1881 | { |
2211 | { |
1882 | if (expect_false (ev_is_active (w))) |
2212 | if (expect_false (ev_is_active (w))) |
1883 | return; |
2213 | return; |
1884 | |
2214 | |
1885 | ((WT)w)->at += mn_now; |
2215 | ev_at (w) += mn_now; |
1886 | |
2216 | |
1887 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2217 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1888 | |
2218 | |
|
|
2219 | EV_FREQUENT_CHECK; |
|
|
2220 | |
|
|
2221 | ++timercnt; |
1889 | ev_start (EV_A_ (W)w, ++timercnt); |
2222 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1890 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2223 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1891 | timers [timercnt - 1] = (WT)w; |
2224 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1892 | upheap (timers, timercnt - 1); |
2225 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2226 | upheap (timers, ev_active (w)); |
1893 | |
2227 | |
|
|
2228 | EV_FREQUENT_CHECK; |
|
|
2229 | |
1894 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2230 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1895 | } |
2231 | } |
1896 | |
2232 | |
1897 | void noinline |
2233 | void noinline |
1898 | ev_timer_stop (EV_P_ ev_timer *w) |
2234 | ev_timer_stop (EV_P_ ev_timer *w) |
1899 | { |
2235 | { |
1900 | clear_pending (EV_A_ (W)w); |
2236 | clear_pending (EV_A_ (W)w); |
1901 | if (expect_false (!ev_is_active (w))) |
2237 | if (expect_false (!ev_is_active (w))) |
1902 | return; |
2238 | return; |
1903 | |
2239 | |
1904 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2240 | EV_FREQUENT_CHECK; |
1905 | |
2241 | |
1906 | { |
2242 | { |
1907 | int active = ((W)w)->active; |
2243 | int active = ev_active (w); |
1908 | |
2244 | |
|
|
2245 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2246 | |
|
|
2247 | --timercnt; |
|
|
2248 | |
1909 | if (expect_true (--active < --timercnt)) |
2249 | if (expect_true (active < timercnt + HEAP0)) |
1910 | { |
2250 | { |
1911 | timers [active] = timers [timercnt]; |
2251 | timers [active] = timers [timercnt + HEAP0]; |
1912 | adjustheap (timers, timercnt, active); |
2252 | adjustheap (timers, timercnt, active); |
1913 | } |
2253 | } |
1914 | } |
2254 | } |
1915 | |
2255 | |
1916 | ((WT)w)->at -= mn_now; |
2256 | EV_FREQUENT_CHECK; |
|
|
2257 | |
|
|
2258 | ev_at (w) -= mn_now; |
1917 | |
2259 | |
1918 | ev_stop (EV_A_ (W)w); |
2260 | ev_stop (EV_A_ (W)w); |
1919 | } |
2261 | } |
1920 | |
2262 | |
1921 | void noinline |
2263 | void noinline |
1922 | ev_timer_again (EV_P_ ev_timer *w) |
2264 | ev_timer_again (EV_P_ ev_timer *w) |
1923 | { |
2265 | { |
|
|
2266 | EV_FREQUENT_CHECK; |
|
|
2267 | |
1924 | if (ev_is_active (w)) |
2268 | if (ev_is_active (w)) |
1925 | { |
2269 | { |
1926 | if (w->repeat) |
2270 | if (w->repeat) |
1927 | { |
2271 | { |
1928 | ((WT)w)->at = mn_now + w->repeat; |
2272 | ev_at (w) = mn_now + w->repeat; |
|
|
2273 | ANHE_at_cache (timers [ev_active (w)]); |
1929 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2274 | adjustheap (timers, timercnt, ev_active (w)); |
1930 | } |
2275 | } |
1931 | else |
2276 | else |
1932 | ev_timer_stop (EV_A_ w); |
2277 | ev_timer_stop (EV_A_ w); |
1933 | } |
2278 | } |
1934 | else if (w->repeat) |
2279 | else if (w->repeat) |
1935 | { |
2280 | { |
1936 | w->at = w->repeat; |
2281 | ev_at (w) = w->repeat; |
1937 | ev_timer_start (EV_A_ w); |
2282 | ev_timer_start (EV_A_ w); |
1938 | } |
2283 | } |
|
|
2284 | |
|
|
2285 | EV_FREQUENT_CHECK; |
1939 | } |
2286 | } |
1940 | |
2287 | |
1941 | #if EV_PERIODIC_ENABLE |
2288 | #if EV_PERIODIC_ENABLE |
1942 | void noinline |
2289 | void noinline |
1943 | ev_periodic_start (EV_P_ ev_periodic *w) |
2290 | ev_periodic_start (EV_P_ ev_periodic *w) |
1944 | { |
2291 | { |
1945 | if (expect_false (ev_is_active (w))) |
2292 | if (expect_false (ev_is_active (w))) |
1946 | return; |
2293 | return; |
1947 | |
2294 | |
1948 | if (w->reschedule_cb) |
2295 | if (w->reschedule_cb) |
1949 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2296 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1950 | else if (w->interval) |
2297 | else if (w->interval) |
1951 | { |
2298 | { |
1952 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2299 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1953 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2300 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1954 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2301 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1955 | } |
2302 | } |
1956 | else |
2303 | else |
1957 | ((WT)w)->at = w->offset; |
2304 | ev_at (w) = w->offset; |
1958 | |
2305 | |
|
|
2306 | EV_FREQUENT_CHECK; |
|
|
2307 | |
|
|
2308 | ++periodiccnt; |
1959 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2309 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1960 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2310 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1961 | periodics [periodiccnt - 1] = (WT)w; |
2311 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1962 | upheap (periodics, periodiccnt - 1); |
2312 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2313 | upheap (periodics, ev_active (w)); |
1963 | |
2314 | |
|
|
2315 | EV_FREQUENT_CHECK; |
|
|
2316 | |
1964 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2317 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1965 | } |
2318 | } |
1966 | |
2319 | |
1967 | void noinline |
2320 | void noinline |
1968 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2321 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1969 | { |
2322 | { |
1970 | clear_pending (EV_A_ (W)w); |
2323 | clear_pending (EV_A_ (W)w); |
1971 | if (expect_false (!ev_is_active (w))) |
2324 | if (expect_false (!ev_is_active (w))) |
1972 | return; |
2325 | return; |
1973 | |
2326 | |
1974 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2327 | EV_FREQUENT_CHECK; |
1975 | |
2328 | |
1976 | { |
2329 | { |
1977 | int active = ((W)w)->active; |
2330 | int active = ev_active (w); |
1978 | |
2331 | |
|
|
2332 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2333 | |
|
|
2334 | --periodiccnt; |
|
|
2335 | |
1979 | if (expect_true (--active < --periodiccnt)) |
2336 | if (expect_true (active < periodiccnt + HEAP0)) |
1980 | { |
2337 | { |
1981 | periodics [active] = periodics [periodiccnt]; |
2338 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1982 | adjustheap (periodics, periodiccnt, active); |
2339 | adjustheap (periodics, periodiccnt, active); |
1983 | } |
2340 | } |
1984 | } |
2341 | } |
1985 | |
2342 | |
|
|
2343 | EV_FREQUENT_CHECK; |
|
|
2344 | |
1986 | ev_stop (EV_A_ (W)w); |
2345 | ev_stop (EV_A_ (W)w); |
1987 | } |
2346 | } |
1988 | |
2347 | |
1989 | void noinline |
2348 | void noinline |
1990 | ev_periodic_again (EV_P_ ev_periodic *w) |
2349 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
2001 | |
2360 | |
2002 | void noinline |
2361 | void noinline |
2003 | ev_signal_start (EV_P_ ev_signal *w) |
2362 | ev_signal_start (EV_P_ ev_signal *w) |
2004 | { |
2363 | { |
2005 | #if EV_MULTIPLICITY |
2364 | #if EV_MULTIPLICITY |
2006 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2365 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2007 | #endif |
2366 | #endif |
2008 | if (expect_false (ev_is_active (w))) |
2367 | if (expect_false (ev_is_active (w))) |
2009 | return; |
2368 | return; |
2010 | |
2369 | |
2011 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2370 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2012 | |
2371 | |
2013 | evpipe_init (EV_A); |
2372 | evpipe_init (EV_A); |
|
|
2373 | |
|
|
2374 | EV_FREQUENT_CHECK; |
2014 | |
2375 | |
2015 | { |
2376 | { |
2016 | #ifndef _WIN32 |
2377 | #ifndef _WIN32 |
2017 | sigset_t full, prev; |
2378 | sigset_t full, prev; |
2018 | sigfillset (&full); |
2379 | sigfillset (&full); |
2019 | sigprocmask (SIG_SETMASK, &full, &prev); |
2380 | sigprocmask (SIG_SETMASK, &full, &prev); |
2020 | #endif |
2381 | #endif |
2021 | |
2382 | |
2022 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2383 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2023 | |
2384 | |
2024 | #ifndef _WIN32 |
2385 | #ifndef _WIN32 |
2025 | sigprocmask (SIG_SETMASK, &prev, 0); |
2386 | sigprocmask (SIG_SETMASK, &prev, 0); |
2026 | #endif |
2387 | #endif |
2027 | } |
2388 | } |
… | |
… | |
2039 | sigfillset (&sa.sa_mask); |
2400 | sigfillset (&sa.sa_mask); |
2040 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2401 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2041 | sigaction (w->signum, &sa, 0); |
2402 | sigaction (w->signum, &sa, 0); |
2042 | #endif |
2403 | #endif |
2043 | } |
2404 | } |
|
|
2405 | |
|
|
2406 | EV_FREQUENT_CHECK; |
2044 | } |
2407 | } |
2045 | |
2408 | |
2046 | void noinline |
2409 | void noinline |
2047 | ev_signal_stop (EV_P_ ev_signal *w) |
2410 | ev_signal_stop (EV_P_ ev_signal *w) |
2048 | { |
2411 | { |
2049 | clear_pending (EV_A_ (W)w); |
2412 | clear_pending (EV_A_ (W)w); |
2050 | if (expect_false (!ev_is_active (w))) |
2413 | if (expect_false (!ev_is_active (w))) |
2051 | return; |
2414 | return; |
2052 | |
2415 | |
|
|
2416 | EV_FREQUENT_CHECK; |
|
|
2417 | |
2053 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2418 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2054 | ev_stop (EV_A_ (W)w); |
2419 | ev_stop (EV_A_ (W)w); |
2055 | |
2420 | |
2056 | if (!signals [w->signum - 1].head) |
2421 | if (!signals [w->signum - 1].head) |
2057 | signal (w->signum, SIG_DFL); |
2422 | signal (w->signum, SIG_DFL); |
|
|
2423 | |
|
|
2424 | EV_FREQUENT_CHECK; |
2058 | } |
2425 | } |
2059 | |
2426 | |
2060 | void |
2427 | void |
2061 | ev_child_start (EV_P_ ev_child *w) |
2428 | ev_child_start (EV_P_ ev_child *w) |
2062 | { |
2429 | { |
2063 | #if EV_MULTIPLICITY |
2430 | #if EV_MULTIPLICITY |
2064 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2431 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2065 | #endif |
2432 | #endif |
2066 | if (expect_false (ev_is_active (w))) |
2433 | if (expect_false (ev_is_active (w))) |
2067 | return; |
2434 | return; |
2068 | |
2435 | |
|
|
2436 | EV_FREQUENT_CHECK; |
|
|
2437 | |
2069 | ev_start (EV_A_ (W)w, 1); |
2438 | ev_start (EV_A_ (W)w, 1); |
2070 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2439 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2440 | |
|
|
2441 | EV_FREQUENT_CHECK; |
2071 | } |
2442 | } |
2072 | |
2443 | |
2073 | void |
2444 | void |
2074 | ev_child_stop (EV_P_ ev_child *w) |
2445 | ev_child_stop (EV_P_ ev_child *w) |
2075 | { |
2446 | { |
2076 | clear_pending (EV_A_ (W)w); |
2447 | clear_pending (EV_A_ (W)w); |
2077 | if (expect_false (!ev_is_active (w))) |
2448 | if (expect_false (!ev_is_active (w))) |
2078 | return; |
2449 | return; |
2079 | |
2450 | |
|
|
2451 | EV_FREQUENT_CHECK; |
|
|
2452 | |
2080 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2453 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2081 | ev_stop (EV_A_ (W)w); |
2454 | ev_stop (EV_A_ (W)w); |
|
|
2455 | |
|
|
2456 | EV_FREQUENT_CHECK; |
2082 | } |
2457 | } |
2083 | |
2458 | |
2084 | #if EV_STAT_ENABLE |
2459 | #if EV_STAT_ENABLE |
2085 | |
2460 | |
2086 | # ifdef _WIN32 |
2461 | # ifdef _WIN32 |
2087 | # undef lstat |
2462 | # undef lstat |
2088 | # define lstat(a,b) _stati64 (a,b) |
2463 | # define lstat(a,b) _stati64 (a,b) |
2089 | # endif |
2464 | # endif |
2090 | |
2465 | |
2091 | #define DEF_STAT_INTERVAL 5.0074891 |
2466 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2467 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2092 | #define MIN_STAT_INTERVAL 0.1074891 |
2468 | #define MIN_STAT_INTERVAL 0.1074891 |
2093 | |
2469 | |
2094 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2470 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2095 | |
2471 | |
2096 | #if EV_USE_INOTIFY |
2472 | #if EV_USE_INOTIFY |
2097 | # define EV_INOTIFY_BUFSIZE 8192 |
2473 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2101 | { |
2477 | { |
2102 | 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); |
2478 | 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); |
2103 | |
2479 | |
2104 | if (w->wd < 0) |
2480 | if (w->wd < 0) |
2105 | { |
2481 | { |
|
|
2482 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2106 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2483 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2107 | |
2484 | |
2108 | /* monitor some parent directory for speedup hints */ |
2485 | /* monitor some parent directory for speedup hints */ |
|
|
2486 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
|
|
2487 | /* but an efficiency issue only */ |
2109 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2488 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2110 | { |
2489 | { |
2111 | char path [4096]; |
2490 | char path [4096]; |
2112 | strcpy (path, w->path); |
2491 | strcpy (path, w->path); |
2113 | |
2492 | |
… | |
… | |
2116 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2495 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2117 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2496 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2118 | |
2497 | |
2119 | char *pend = strrchr (path, '/'); |
2498 | char *pend = strrchr (path, '/'); |
2120 | |
2499 | |
2121 | if (!pend) |
2500 | if (!pend || pend == path) |
2122 | break; /* whoops, no '/', complain to your admin */ |
2501 | break; |
2123 | |
2502 | |
2124 | *pend = 0; |
2503 | *pend = 0; |
2125 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2504 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2126 | } |
2505 | } |
2127 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2506 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2128 | } |
2507 | } |
2129 | } |
2508 | } |
2130 | else |
|
|
2131 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2132 | |
2509 | |
2133 | if (w->wd >= 0) |
2510 | if (w->wd >= 0) |
|
|
2511 | { |
2134 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2512 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2513 | |
|
|
2514 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2515 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2516 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2517 | struct statfs sfs; |
|
|
2518 | |
|
|
2519 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2520 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2521 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2522 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2523 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2524 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2525 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2526 | return; |
|
|
2527 | |
|
|
2528 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2529 | ev_timer_again (EV_A_ &w->timer); |
|
|
2530 | } |
2135 | } |
2531 | } |
2136 | |
2532 | |
2137 | static void noinline |
2533 | static void noinline |
2138 | infy_del (EV_P_ ev_stat *w) |
2534 | infy_del (EV_P_ ev_stat *w) |
2139 | { |
2535 | { |
… | |
… | |
2153 | |
2549 | |
2154 | static void noinline |
2550 | static void noinline |
2155 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2551 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2156 | { |
2552 | { |
2157 | if (slot < 0) |
2553 | if (slot < 0) |
2158 | /* overflow, need to check for all hahs slots */ |
2554 | /* overflow, need to check for all hash slots */ |
2159 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2555 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2160 | infy_wd (EV_A_ slot, wd, ev); |
2556 | infy_wd (EV_A_ slot, wd, ev); |
2161 | else |
2557 | else |
2162 | { |
2558 | { |
2163 | WL w_; |
2559 | WL w_; |
… | |
… | |
2169 | |
2565 | |
2170 | if (w->wd == wd || wd == -1) |
2566 | if (w->wd == wd || wd == -1) |
2171 | { |
2567 | { |
2172 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2568 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2173 | { |
2569 | { |
|
|
2570 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2174 | w->wd = -1; |
2571 | w->wd = -1; |
2175 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2572 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2176 | } |
2573 | } |
2177 | |
2574 | |
2178 | stat_timer_cb (EV_A_ &w->timer, 0); |
2575 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2192 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2589 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2193 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2590 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2194 | } |
2591 | } |
2195 | |
2592 | |
2196 | void inline_size |
2593 | void inline_size |
|
|
2594 | check_2625 (EV_P) |
|
|
2595 | { |
|
|
2596 | /* kernels < 2.6.25 are borked |
|
|
2597 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2598 | */ |
|
|
2599 | struct utsname buf; |
|
|
2600 | int major, minor, micro; |
|
|
2601 | |
|
|
2602 | if (uname (&buf)) |
|
|
2603 | return; |
|
|
2604 | |
|
|
2605 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2606 | return; |
|
|
2607 | |
|
|
2608 | if (major < 2 |
|
|
2609 | || (major == 2 && minor < 6) |
|
|
2610 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2611 | return; |
|
|
2612 | |
|
|
2613 | fs_2625 = 1; |
|
|
2614 | } |
|
|
2615 | |
|
|
2616 | void inline_size |
2197 | infy_init (EV_P) |
2617 | infy_init (EV_P) |
2198 | { |
2618 | { |
2199 | if (fs_fd != -2) |
2619 | if (fs_fd != -2) |
2200 | return; |
2620 | return; |
|
|
2621 | |
|
|
2622 | fs_fd = -1; |
|
|
2623 | |
|
|
2624 | check_2625 (EV_A); |
2201 | |
2625 | |
2202 | fs_fd = inotify_init (); |
2626 | fs_fd = inotify_init (); |
2203 | |
2627 | |
2204 | if (fs_fd >= 0) |
2628 | if (fs_fd >= 0) |
2205 | { |
2629 | { |
… | |
… | |
2233 | w->wd = -1; |
2657 | w->wd = -1; |
2234 | |
2658 | |
2235 | if (fs_fd >= 0) |
2659 | if (fs_fd >= 0) |
2236 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2660 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2237 | else |
2661 | else |
2238 | ev_timer_start (EV_A_ &w->timer); |
2662 | ev_timer_again (EV_A_ &w->timer); |
2239 | } |
2663 | } |
2240 | |
|
|
2241 | } |
2664 | } |
2242 | } |
2665 | } |
2243 | |
2666 | |
|
|
2667 | #endif |
|
|
2668 | |
|
|
2669 | #ifdef _WIN32 |
|
|
2670 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2671 | #else |
|
|
2672 | # define EV_LSTAT(p,b) lstat (p, b) |
2244 | #endif |
2673 | #endif |
2245 | |
2674 | |
2246 | void |
2675 | void |
2247 | ev_stat_stat (EV_P_ ev_stat *w) |
2676 | ev_stat_stat (EV_P_ ev_stat *w) |
2248 | { |
2677 | { |
… | |
… | |
2275 | || w->prev.st_atime != w->attr.st_atime |
2704 | || w->prev.st_atime != w->attr.st_atime |
2276 | || w->prev.st_mtime != w->attr.st_mtime |
2705 | || w->prev.st_mtime != w->attr.st_mtime |
2277 | || w->prev.st_ctime != w->attr.st_ctime |
2706 | || w->prev.st_ctime != w->attr.st_ctime |
2278 | ) { |
2707 | ) { |
2279 | #if EV_USE_INOTIFY |
2708 | #if EV_USE_INOTIFY |
|
|
2709 | if (fs_fd >= 0) |
|
|
2710 | { |
2280 | infy_del (EV_A_ w); |
2711 | infy_del (EV_A_ w); |
2281 | infy_add (EV_A_ w); |
2712 | infy_add (EV_A_ w); |
2282 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2713 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2714 | } |
2283 | #endif |
2715 | #endif |
2284 | |
2716 | |
2285 | ev_feed_event (EV_A_ w, EV_STAT); |
2717 | ev_feed_event (EV_A_ w, EV_STAT); |
2286 | } |
2718 | } |
2287 | } |
2719 | } |
… | |
… | |
2290 | ev_stat_start (EV_P_ ev_stat *w) |
2722 | ev_stat_start (EV_P_ ev_stat *w) |
2291 | { |
2723 | { |
2292 | if (expect_false (ev_is_active (w))) |
2724 | if (expect_false (ev_is_active (w))) |
2293 | return; |
2725 | return; |
2294 | |
2726 | |
2295 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2296 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2297 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2298 | |
|
|
2299 | ev_stat_stat (EV_A_ w); |
2727 | ev_stat_stat (EV_A_ w); |
2300 | |
2728 | |
|
|
2729 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2301 | if (w->interval < MIN_STAT_INTERVAL) |
2730 | w->interval = MIN_STAT_INTERVAL; |
2302 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2303 | |
2731 | |
2304 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2732 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2305 | ev_set_priority (&w->timer, ev_priority (w)); |
2733 | ev_set_priority (&w->timer, ev_priority (w)); |
2306 | |
2734 | |
2307 | #if EV_USE_INOTIFY |
2735 | #if EV_USE_INOTIFY |
2308 | infy_init (EV_A); |
2736 | infy_init (EV_A); |
2309 | |
2737 | |
2310 | if (fs_fd >= 0) |
2738 | if (fs_fd >= 0) |
2311 | infy_add (EV_A_ w); |
2739 | infy_add (EV_A_ w); |
2312 | else |
2740 | else |
2313 | #endif |
2741 | #endif |
2314 | ev_timer_start (EV_A_ &w->timer); |
2742 | ev_timer_again (EV_A_ &w->timer); |
2315 | |
2743 | |
2316 | ev_start (EV_A_ (W)w, 1); |
2744 | ev_start (EV_A_ (W)w, 1); |
|
|
2745 | |
|
|
2746 | EV_FREQUENT_CHECK; |
2317 | } |
2747 | } |
2318 | |
2748 | |
2319 | void |
2749 | void |
2320 | ev_stat_stop (EV_P_ ev_stat *w) |
2750 | ev_stat_stop (EV_P_ ev_stat *w) |
2321 | { |
2751 | { |
2322 | clear_pending (EV_A_ (W)w); |
2752 | clear_pending (EV_A_ (W)w); |
2323 | if (expect_false (!ev_is_active (w))) |
2753 | if (expect_false (!ev_is_active (w))) |
2324 | return; |
2754 | return; |
2325 | |
2755 | |
|
|
2756 | EV_FREQUENT_CHECK; |
|
|
2757 | |
2326 | #if EV_USE_INOTIFY |
2758 | #if EV_USE_INOTIFY |
2327 | infy_del (EV_A_ w); |
2759 | infy_del (EV_A_ w); |
2328 | #endif |
2760 | #endif |
2329 | ev_timer_stop (EV_A_ &w->timer); |
2761 | ev_timer_stop (EV_A_ &w->timer); |
2330 | |
2762 | |
2331 | ev_stop (EV_A_ (W)w); |
2763 | ev_stop (EV_A_ (W)w); |
|
|
2764 | |
|
|
2765 | EV_FREQUENT_CHECK; |
2332 | } |
2766 | } |
2333 | #endif |
2767 | #endif |
2334 | |
2768 | |
2335 | #if EV_IDLE_ENABLE |
2769 | #if EV_IDLE_ENABLE |
2336 | void |
2770 | void |
… | |
… | |
2338 | { |
2772 | { |
2339 | if (expect_false (ev_is_active (w))) |
2773 | if (expect_false (ev_is_active (w))) |
2340 | return; |
2774 | return; |
2341 | |
2775 | |
2342 | pri_adjust (EV_A_ (W)w); |
2776 | pri_adjust (EV_A_ (W)w); |
|
|
2777 | |
|
|
2778 | EV_FREQUENT_CHECK; |
2343 | |
2779 | |
2344 | { |
2780 | { |
2345 | int active = ++idlecnt [ABSPRI (w)]; |
2781 | int active = ++idlecnt [ABSPRI (w)]; |
2346 | |
2782 | |
2347 | ++idleall; |
2783 | ++idleall; |
2348 | ev_start (EV_A_ (W)w, active); |
2784 | ev_start (EV_A_ (W)w, active); |
2349 | |
2785 | |
2350 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2786 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2351 | idles [ABSPRI (w)][active - 1] = w; |
2787 | idles [ABSPRI (w)][active - 1] = w; |
2352 | } |
2788 | } |
|
|
2789 | |
|
|
2790 | EV_FREQUENT_CHECK; |
2353 | } |
2791 | } |
2354 | |
2792 | |
2355 | void |
2793 | void |
2356 | ev_idle_stop (EV_P_ ev_idle *w) |
2794 | ev_idle_stop (EV_P_ ev_idle *w) |
2357 | { |
2795 | { |
2358 | clear_pending (EV_A_ (W)w); |
2796 | clear_pending (EV_A_ (W)w); |
2359 | if (expect_false (!ev_is_active (w))) |
2797 | if (expect_false (!ev_is_active (w))) |
2360 | return; |
2798 | return; |
2361 | |
2799 | |
|
|
2800 | EV_FREQUENT_CHECK; |
|
|
2801 | |
2362 | { |
2802 | { |
2363 | int active = ((W)w)->active; |
2803 | int active = ev_active (w); |
2364 | |
2804 | |
2365 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2805 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2366 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2806 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2367 | |
2807 | |
2368 | ev_stop (EV_A_ (W)w); |
2808 | ev_stop (EV_A_ (W)w); |
2369 | --idleall; |
2809 | --idleall; |
2370 | } |
2810 | } |
|
|
2811 | |
|
|
2812 | EV_FREQUENT_CHECK; |
2371 | } |
2813 | } |
2372 | #endif |
2814 | #endif |
2373 | |
2815 | |
2374 | void |
2816 | void |
2375 | ev_prepare_start (EV_P_ ev_prepare *w) |
2817 | ev_prepare_start (EV_P_ ev_prepare *w) |
2376 | { |
2818 | { |
2377 | if (expect_false (ev_is_active (w))) |
2819 | if (expect_false (ev_is_active (w))) |
2378 | return; |
2820 | return; |
|
|
2821 | |
|
|
2822 | EV_FREQUENT_CHECK; |
2379 | |
2823 | |
2380 | ev_start (EV_A_ (W)w, ++preparecnt); |
2824 | ev_start (EV_A_ (W)w, ++preparecnt); |
2381 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2825 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2382 | prepares [preparecnt - 1] = w; |
2826 | prepares [preparecnt - 1] = w; |
|
|
2827 | |
|
|
2828 | EV_FREQUENT_CHECK; |
2383 | } |
2829 | } |
2384 | |
2830 | |
2385 | void |
2831 | void |
2386 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2832 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2387 | { |
2833 | { |
2388 | clear_pending (EV_A_ (W)w); |
2834 | clear_pending (EV_A_ (W)w); |
2389 | if (expect_false (!ev_is_active (w))) |
2835 | if (expect_false (!ev_is_active (w))) |
2390 | return; |
2836 | return; |
2391 | |
2837 | |
|
|
2838 | EV_FREQUENT_CHECK; |
|
|
2839 | |
2392 | { |
2840 | { |
2393 | int active = ((W)w)->active; |
2841 | int active = ev_active (w); |
|
|
2842 | |
2394 | prepares [active - 1] = prepares [--preparecnt]; |
2843 | prepares [active - 1] = prepares [--preparecnt]; |
2395 | ((W)prepares [active - 1])->active = active; |
2844 | ev_active (prepares [active - 1]) = active; |
2396 | } |
2845 | } |
2397 | |
2846 | |
2398 | ev_stop (EV_A_ (W)w); |
2847 | ev_stop (EV_A_ (W)w); |
|
|
2848 | |
|
|
2849 | EV_FREQUENT_CHECK; |
2399 | } |
2850 | } |
2400 | |
2851 | |
2401 | void |
2852 | void |
2402 | ev_check_start (EV_P_ ev_check *w) |
2853 | ev_check_start (EV_P_ ev_check *w) |
2403 | { |
2854 | { |
2404 | if (expect_false (ev_is_active (w))) |
2855 | if (expect_false (ev_is_active (w))) |
2405 | return; |
2856 | return; |
|
|
2857 | |
|
|
2858 | EV_FREQUENT_CHECK; |
2406 | |
2859 | |
2407 | ev_start (EV_A_ (W)w, ++checkcnt); |
2860 | ev_start (EV_A_ (W)w, ++checkcnt); |
2408 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2861 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2409 | checks [checkcnt - 1] = w; |
2862 | checks [checkcnt - 1] = w; |
|
|
2863 | |
|
|
2864 | EV_FREQUENT_CHECK; |
2410 | } |
2865 | } |
2411 | |
2866 | |
2412 | void |
2867 | void |
2413 | ev_check_stop (EV_P_ ev_check *w) |
2868 | ev_check_stop (EV_P_ ev_check *w) |
2414 | { |
2869 | { |
2415 | clear_pending (EV_A_ (W)w); |
2870 | clear_pending (EV_A_ (W)w); |
2416 | if (expect_false (!ev_is_active (w))) |
2871 | if (expect_false (!ev_is_active (w))) |
2417 | return; |
2872 | return; |
2418 | |
2873 | |
|
|
2874 | EV_FREQUENT_CHECK; |
|
|
2875 | |
2419 | { |
2876 | { |
2420 | int active = ((W)w)->active; |
2877 | int active = ev_active (w); |
|
|
2878 | |
2421 | checks [active - 1] = checks [--checkcnt]; |
2879 | checks [active - 1] = checks [--checkcnt]; |
2422 | ((W)checks [active - 1])->active = active; |
2880 | ev_active (checks [active - 1]) = active; |
2423 | } |
2881 | } |
2424 | |
2882 | |
2425 | ev_stop (EV_A_ (W)w); |
2883 | ev_stop (EV_A_ (W)w); |
|
|
2884 | |
|
|
2885 | EV_FREQUENT_CHECK; |
2426 | } |
2886 | } |
2427 | |
2887 | |
2428 | #if EV_EMBED_ENABLE |
2888 | #if EV_EMBED_ENABLE |
2429 | void noinline |
2889 | void noinline |
2430 | ev_embed_sweep (EV_P_ ev_embed *w) |
2890 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2457 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2917 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2458 | } |
2918 | } |
2459 | } |
2919 | } |
2460 | } |
2920 | } |
2461 | |
2921 | |
|
|
2922 | static void |
|
|
2923 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2924 | { |
|
|
2925 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2926 | |
|
|
2927 | ev_embed_stop (EV_A_ w); |
|
|
2928 | |
|
|
2929 | { |
|
|
2930 | struct ev_loop *loop = w->other; |
|
|
2931 | |
|
|
2932 | ev_loop_fork (EV_A); |
|
|
2933 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2934 | } |
|
|
2935 | |
|
|
2936 | ev_embed_start (EV_A_ w); |
|
|
2937 | } |
|
|
2938 | |
2462 | #if 0 |
2939 | #if 0 |
2463 | static void |
2940 | static void |
2464 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2941 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2465 | { |
2942 | { |
2466 | ev_idle_stop (EV_A_ idle); |
2943 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2473 | if (expect_false (ev_is_active (w))) |
2950 | if (expect_false (ev_is_active (w))) |
2474 | return; |
2951 | return; |
2475 | |
2952 | |
2476 | { |
2953 | { |
2477 | struct ev_loop *loop = w->other; |
2954 | struct ev_loop *loop = w->other; |
2478 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2955 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2479 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2956 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2480 | } |
2957 | } |
|
|
2958 | |
|
|
2959 | EV_FREQUENT_CHECK; |
2481 | |
2960 | |
2482 | ev_set_priority (&w->io, ev_priority (w)); |
2961 | ev_set_priority (&w->io, ev_priority (w)); |
2483 | ev_io_start (EV_A_ &w->io); |
2962 | ev_io_start (EV_A_ &w->io); |
2484 | |
2963 | |
2485 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2964 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2486 | ev_set_priority (&w->prepare, EV_MINPRI); |
2965 | ev_set_priority (&w->prepare, EV_MINPRI); |
2487 | ev_prepare_start (EV_A_ &w->prepare); |
2966 | ev_prepare_start (EV_A_ &w->prepare); |
2488 | |
2967 | |
|
|
2968 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2969 | ev_fork_start (EV_A_ &w->fork); |
|
|
2970 | |
2489 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2971 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2490 | |
2972 | |
2491 | ev_start (EV_A_ (W)w, 1); |
2973 | ev_start (EV_A_ (W)w, 1); |
|
|
2974 | |
|
|
2975 | EV_FREQUENT_CHECK; |
2492 | } |
2976 | } |
2493 | |
2977 | |
2494 | void |
2978 | void |
2495 | ev_embed_stop (EV_P_ ev_embed *w) |
2979 | ev_embed_stop (EV_P_ ev_embed *w) |
2496 | { |
2980 | { |
2497 | clear_pending (EV_A_ (W)w); |
2981 | clear_pending (EV_A_ (W)w); |
2498 | if (expect_false (!ev_is_active (w))) |
2982 | if (expect_false (!ev_is_active (w))) |
2499 | return; |
2983 | return; |
2500 | |
2984 | |
|
|
2985 | EV_FREQUENT_CHECK; |
|
|
2986 | |
2501 | ev_io_stop (EV_A_ &w->io); |
2987 | ev_io_stop (EV_A_ &w->io); |
2502 | ev_prepare_stop (EV_A_ &w->prepare); |
2988 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2989 | ev_fork_stop (EV_A_ &w->fork); |
2503 | |
2990 | |
2504 | ev_stop (EV_A_ (W)w); |
2991 | EV_FREQUENT_CHECK; |
2505 | } |
2992 | } |
2506 | #endif |
2993 | #endif |
2507 | |
2994 | |
2508 | #if EV_FORK_ENABLE |
2995 | #if EV_FORK_ENABLE |
2509 | void |
2996 | void |
2510 | ev_fork_start (EV_P_ ev_fork *w) |
2997 | ev_fork_start (EV_P_ ev_fork *w) |
2511 | { |
2998 | { |
2512 | if (expect_false (ev_is_active (w))) |
2999 | if (expect_false (ev_is_active (w))) |
2513 | return; |
3000 | return; |
|
|
3001 | |
|
|
3002 | EV_FREQUENT_CHECK; |
2514 | |
3003 | |
2515 | ev_start (EV_A_ (W)w, ++forkcnt); |
3004 | ev_start (EV_A_ (W)w, ++forkcnt); |
2516 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
3005 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2517 | forks [forkcnt - 1] = w; |
3006 | forks [forkcnt - 1] = w; |
|
|
3007 | |
|
|
3008 | EV_FREQUENT_CHECK; |
2518 | } |
3009 | } |
2519 | |
3010 | |
2520 | void |
3011 | void |
2521 | ev_fork_stop (EV_P_ ev_fork *w) |
3012 | ev_fork_stop (EV_P_ ev_fork *w) |
2522 | { |
3013 | { |
2523 | clear_pending (EV_A_ (W)w); |
3014 | clear_pending (EV_A_ (W)w); |
2524 | if (expect_false (!ev_is_active (w))) |
3015 | if (expect_false (!ev_is_active (w))) |
2525 | return; |
3016 | return; |
2526 | |
3017 | |
|
|
3018 | EV_FREQUENT_CHECK; |
|
|
3019 | |
2527 | { |
3020 | { |
2528 | int active = ((W)w)->active; |
3021 | int active = ev_active (w); |
|
|
3022 | |
2529 | forks [active - 1] = forks [--forkcnt]; |
3023 | forks [active - 1] = forks [--forkcnt]; |
2530 | ((W)forks [active - 1])->active = active; |
3024 | ev_active (forks [active - 1]) = active; |
2531 | } |
3025 | } |
2532 | |
3026 | |
2533 | ev_stop (EV_A_ (W)w); |
3027 | ev_stop (EV_A_ (W)w); |
|
|
3028 | |
|
|
3029 | EV_FREQUENT_CHECK; |
2534 | } |
3030 | } |
2535 | #endif |
3031 | #endif |
2536 | |
3032 | |
2537 | #if EV_ASYNC_ENABLE |
3033 | #if EV_ASYNC_ENABLE |
2538 | void |
3034 | void |
… | |
… | |
2540 | { |
3036 | { |
2541 | if (expect_false (ev_is_active (w))) |
3037 | if (expect_false (ev_is_active (w))) |
2542 | return; |
3038 | return; |
2543 | |
3039 | |
2544 | evpipe_init (EV_A); |
3040 | evpipe_init (EV_A); |
|
|
3041 | |
|
|
3042 | EV_FREQUENT_CHECK; |
2545 | |
3043 | |
2546 | ev_start (EV_A_ (W)w, ++asynccnt); |
3044 | ev_start (EV_A_ (W)w, ++asynccnt); |
2547 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
3045 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2548 | asyncs [asynccnt - 1] = w; |
3046 | asyncs [asynccnt - 1] = w; |
|
|
3047 | |
|
|
3048 | EV_FREQUENT_CHECK; |
2549 | } |
3049 | } |
2550 | |
3050 | |
2551 | void |
3051 | void |
2552 | ev_async_stop (EV_P_ ev_async *w) |
3052 | ev_async_stop (EV_P_ ev_async *w) |
2553 | { |
3053 | { |
2554 | clear_pending (EV_A_ (W)w); |
3054 | clear_pending (EV_A_ (W)w); |
2555 | if (expect_false (!ev_is_active (w))) |
3055 | if (expect_false (!ev_is_active (w))) |
2556 | return; |
3056 | return; |
2557 | |
3057 | |
|
|
3058 | EV_FREQUENT_CHECK; |
|
|
3059 | |
2558 | { |
3060 | { |
2559 | int active = ((W)w)->active; |
3061 | int active = ev_active (w); |
|
|
3062 | |
2560 | asyncs [active - 1] = asyncs [--asynccnt]; |
3063 | asyncs [active - 1] = asyncs [--asynccnt]; |
2561 | ((W)asyncs [active - 1])->active = active; |
3064 | ev_active (asyncs [active - 1]) = active; |
2562 | } |
3065 | } |
2563 | |
3066 | |
2564 | ev_stop (EV_A_ (W)w); |
3067 | ev_stop (EV_A_ (W)w); |
|
|
3068 | |
|
|
3069 | EV_FREQUENT_CHECK; |
2565 | } |
3070 | } |
2566 | |
3071 | |
2567 | void |
3072 | void |
2568 | ev_async_send (EV_P_ ev_async *w) |
3073 | ev_async_send (EV_P_ ev_async *w) |
2569 | { |
3074 | { |
… | |
… | |
2586 | once_cb (EV_P_ struct ev_once *once, int revents) |
3091 | once_cb (EV_P_ struct ev_once *once, int revents) |
2587 | { |
3092 | { |
2588 | void (*cb)(int revents, void *arg) = once->cb; |
3093 | void (*cb)(int revents, void *arg) = once->cb; |
2589 | void *arg = once->arg; |
3094 | void *arg = once->arg; |
2590 | |
3095 | |
2591 | ev_io_stop (EV_A_ &once->io); |
3096 | ev_io_stop (EV_A_ &once->io); |
2592 | ev_timer_stop (EV_A_ &once->to); |
3097 | ev_timer_stop (EV_A_ &once->to); |
2593 | ev_free (once); |
3098 | ev_free (once); |
2594 | |
3099 | |
2595 | cb (revents, arg); |
3100 | cb (revents, arg); |
2596 | } |
3101 | } |
2597 | |
3102 | |
2598 | static void |
3103 | static void |
2599 | once_cb_io (EV_P_ ev_io *w, int revents) |
3104 | once_cb_io (EV_P_ ev_io *w, int revents) |
2600 | { |
3105 | { |
2601 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3106 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3107 | |
|
|
3108 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2602 | } |
3109 | } |
2603 | |
3110 | |
2604 | static void |
3111 | static void |
2605 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3112 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2606 | { |
3113 | { |
2607 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3114 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3115 | |
|
|
3116 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2608 | } |
3117 | } |
2609 | |
3118 | |
2610 | void |
3119 | void |
2611 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3120 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2612 | { |
3121 | { |
… | |
… | |
2634 | ev_timer_set (&once->to, timeout, 0.); |
3143 | ev_timer_set (&once->to, timeout, 0.); |
2635 | ev_timer_start (EV_A_ &once->to); |
3144 | ev_timer_start (EV_A_ &once->to); |
2636 | } |
3145 | } |
2637 | } |
3146 | } |
2638 | |
3147 | |
|
|
3148 | /*****************************************************************************/ |
|
|
3149 | |
|
|
3150 | #if 0 |
|
|
3151 | void |
|
|
3152 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3153 | { |
|
|
3154 | int i, j; |
|
|
3155 | ev_watcher_list *wl, *wn; |
|
|
3156 | |
|
|
3157 | if (types & (EV_IO | EV_EMBED)) |
|
|
3158 | for (i = 0; i < anfdmax; ++i) |
|
|
3159 | for (wl = anfds [i].head; wl; ) |
|
|
3160 | { |
|
|
3161 | wn = wl->next; |
|
|
3162 | |
|
|
3163 | #if EV_EMBED_ENABLE |
|
|
3164 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3165 | { |
|
|
3166 | if (types & EV_EMBED) |
|
|
3167 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3168 | } |
|
|
3169 | else |
|
|
3170 | #endif |
|
|
3171 | #if EV_USE_INOTIFY |
|
|
3172 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3173 | ; |
|
|
3174 | else |
|
|
3175 | #endif |
|
|
3176 | if ((ev_io *)wl != &pipeev) |
|
|
3177 | if (types & EV_IO) |
|
|
3178 | cb (EV_A_ EV_IO, wl); |
|
|
3179 | |
|
|
3180 | wl = wn; |
|
|
3181 | } |
|
|
3182 | |
|
|
3183 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3184 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3185 | #if EV_STAT_ENABLE |
|
|
3186 | /*TODO: timer is not always active*/ |
|
|
3187 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3188 | { |
|
|
3189 | if (types & EV_STAT) |
|
|
3190 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3191 | } |
|
|
3192 | else |
|
|
3193 | #endif |
|
|
3194 | if (types & EV_TIMER) |
|
|
3195 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3196 | |
|
|
3197 | #if EV_PERIODIC_ENABLE |
|
|
3198 | if (types & EV_PERIODIC) |
|
|
3199 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3200 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3201 | #endif |
|
|
3202 | |
|
|
3203 | #if EV_IDLE_ENABLE |
|
|
3204 | if (types & EV_IDLE) |
|
|
3205 | for (j = NUMPRI; i--; ) |
|
|
3206 | for (i = idlecnt [j]; i--; ) |
|
|
3207 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3208 | #endif |
|
|
3209 | |
|
|
3210 | #if EV_FORK_ENABLE |
|
|
3211 | if (types & EV_FORK) |
|
|
3212 | for (i = forkcnt; i--; ) |
|
|
3213 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3214 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3215 | #endif |
|
|
3216 | |
|
|
3217 | #if EV_ASYNC_ENABLE |
|
|
3218 | if (types & EV_ASYNC) |
|
|
3219 | for (i = asynccnt; i--; ) |
|
|
3220 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3221 | #endif |
|
|
3222 | |
|
|
3223 | if (types & EV_PREPARE) |
|
|
3224 | for (i = preparecnt; i--; ) |
|
|
3225 | #if EV_EMBED_ENABLE |
|
|
3226 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3227 | #endif |
|
|
3228 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3229 | |
|
|
3230 | if (types & EV_CHECK) |
|
|
3231 | for (i = checkcnt; i--; ) |
|
|
3232 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3233 | |
|
|
3234 | if (types & EV_SIGNAL) |
|
|
3235 | for (i = 0; i < signalmax; ++i) |
|
|
3236 | for (wl = signals [i].head; wl; ) |
|
|
3237 | { |
|
|
3238 | wn = wl->next; |
|
|
3239 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3240 | wl = wn; |
|
|
3241 | } |
|
|
3242 | |
|
|
3243 | if (types & EV_CHILD) |
|
|
3244 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3245 | for (wl = childs [i]; wl; ) |
|
|
3246 | { |
|
|
3247 | wn = wl->next; |
|
|
3248 | cb (EV_A_ EV_CHILD, wl); |
|
|
3249 | wl = wn; |
|
|
3250 | } |
|
|
3251 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3252 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3253 | } |
|
|
3254 | #endif |
|
|
3255 | |
2639 | #if EV_MULTIPLICITY |
3256 | #if EV_MULTIPLICITY |
2640 | #include "ev_wrap.h" |
3257 | #include "ev_wrap.h" |
2641 | #endif |
3258 | #endif |
2642 | |
3259 | |
2643 | #ifdef __cplusplus |
3260 | #ifdef __cplusplus |