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 |
… | |
… | |
328 | typedef ev_watcher_time *WT; |
397 | typedef ev_watcher_time *WT; |
329 | |
398 | |
330 | #define ev_active(w) ((W)(w))->active |
399 | #define ev_active(w) ((W)(w))->active |
331 | #define ev_at(w) ((WT)(w))->at |
400 | #define ev_at(w) ((WT)(w))->at |
332 | |
401 | |
333 | #if EV_USE_MONOTONIC |
402 | #if EV_USE_REALTIME |
334 | /* 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 */ |
335 | /* 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 |
336 | 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? */ |
337 | #endif |
410 | #endif |
338 | |
411 | |
339 | #ifdef _WIN32 |
412 | #ifdef _WIN32 |
340 | # include "ev_win32.c" |
413 | # include "ev_win32.c" |
… | |
… | |
349 | { |
422 | { |
350 | syserr_cb = cb; |
423 | syserr_cb = cb; |
351 | } |
424 | } |
352 | |
425 | |
353 | static void noinline |
426 | static void noinline |
354 | syserr (const char *msg) |
427 | ev_syserr (const char *msg) |
355 | { |
428 | { |
356 | if (!msg) |
429 | if (!msg) |
357 | msg = "(libev) system error"; |
430 | msg = "(libev) system error"; |
358 | |
431 | |
359 | if (syserr_cb) |
432 | if (syserr_cb) |
… | |
… | |
410 | typedef struct |
483 | typedef struct |
411 | { |
484 | { |
412 | WL head; |
485 | WL head; |
413 | unsigned char events; |
486 | unsigned char events; |
414 | 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 |
415 | #if EV_SELECT_IS_WINSOCKET |
493 | #if EV_SELECT_IS_WINSOCKET |
416 | SOCKET handle; |
494 | SOCKET handle; |
417 | #endif |
495 | #endif |
418 | } ANFD; |
496 | } ANFD; |
419 | |
497 | |
… | |
… | |
422 | W w; |
500 | W w; |
423 | int events; |
501 | int events; |
424 | } ANPENDING; |
502 | } ANPENDING; |
425 | |
503 | |
426 | #if EV_USE_INOTIFY |
504 | #if EV_USE_INOTIFY |
|
|
505 | /* hash table entry per inotify-id */ |
427 | typedef struct |
506 | typedef struct |
428 | { |
507 | { |
429 | WL head; |
508 | WL head; |
430 | } 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; |
|
|
524 | |
|
|
525 | #define ANHE_w(he) (he) |
|
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526 | #define ANHE_at(he) (he)->at |
|
|
527 | #define ANHE_at_cache(he) |
431 | #endif |
528 | #endif |
432 | |
529 | |
433 | #if EV_MULTIPLICITY |
530 | #if EV_MULTIPLICITY |
434 | |
531 | |
435 | struct ev_loop |
532 | struct ev_loop |
… | |
… | |
460 | |
557 | |
461 | ev_tstamp |
558 | ev_tstamp |
462 | ev_time (void) |
559 | ev_time (void) |
463 | { |
560 | { |
464 | #if EV_USE_REALTIME |
561 | #if EV_USE_REALTIME |
|
|
562 | if (expect_true (have_realtime)) |
|
|
563 | { |
465 | struct timespec ts; |
564 | struct timespec ts; |
466 | clock_gettime (CLOCK_REALTIME, &ts); |
565 | clock_gettime (CLOCK_REALTIME, &ts); |
467 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
566 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
468 | #else |
567 | } |
|
|
568 | #endif |
|
|
569 | |
469 | struct timeval tv; |
570 | struct timeval tv; |
470 | gettimeofday (&tv, 0); |
571 | gettimeofday (&tv, 0); |
471 | return tv.tv_sec + tv.tv_usec * 1e-6; |
572 | return tv.tv_sec + tv.tv_usec * 1e-6; |
472 | #endif |
|
|
473 | } |
573 | } |
474 | |
574 | |
475 | ev_tstamp inline_size |
575 | ev_tstamp inline_size |
476 | get_clock (void) |
576 | get_clock (void) |
477 | { |
577 | { |
… | |
… | |
513 | struct timeval tv; |
613 | struct timeval tv; |
514 | |
614 | |
515 | tv.tv_sec = (time_t)delay; |
615 | tv.tv_sec = (time_t)delay; |
516 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
616 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
517 | |
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 */ |
518 | select (0, 0, 0, 0, &tv); |
621 | select (0, 0, 0, 0, &tv); |
519 | #endif |
622 | #endif |
520 | } |
623 | } |
521 | } |
624 | } |
522 | |
625 | |
… | |
… | |
549 | array_realloc (int elem, void *base, int *cur, int cnt) |
652 | array_realloc (int elem, void *base, int *cur, int cnt) |
550 | { |
653 | { |
551 | *cur = array_nextsize (elem, *cur, cnt); |
654 | *cur = array_nextsize (elem, *cur, cnt); |
552 | return ev_realloc (base, elem * *cur); |
655 | return ev_realloc (base, elem * *cur); |
553 | } |
656 | } |
|
|
657 | |
|
|
658 | #define array_init_zero(base,count) \ |
|
|
659 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
554 | |
660 | |
555 | #define array_needsize(type,base,cur,cnt,init) \ |
661 | #define array_needsize(type,base,cur,cnt,init) \ |
556 | if (expect_false ((cnt) > (cur))) \ |
662 | if (expect_false ((cnt) > (cur))) \ |
557 | { \ |
663 | { \ |
558 | int ocur_ = (cur); \ |
664 | int ocur_ = (cur); \ |
… | |
… | |
570 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
676 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
571 | } |
677 | } |
572 | #endif |
678 | #endif |
573 | |
679 | |
574 | #define array_free(stem, idx) \ |
680 | #define array_free(stem, idx) \ |
575 | 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 |
576 | |
682 | |
577 | /*****************************************************************************/ |
683 | /*****************************************************************************/ |
578 | |
684 | |
579 | void noinline |
685 | void noinline |
580 | ev_feed_event (EV_P_ void *w, int revents) |
686 | ev_feed_event (EV_P_ void *w, int revents) |
… | |
… | |
602 | ev_feed_event (EV_A_ events [i], type); |
708 | ev_feed_event (EV_A_ events [i], type); |
603 | } |
709 | } |
604 | |
710 | |
605 | /*****************************************************************************/ |
711 | /*****************************************************************************/ |
606 | |
712 | |
607 | void inline_size |
|
|
608 | anfds_init (ANFD *base, int count) |
|
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609 | { |
|
|
610 | while (count--) |
|
|
611 | { |
|
|
612 | base->head = 0; |
|
|
613 | base->events = EV_NONE; |
|
|
614 | base->reify = 0; |
|
|
615 | |
|
|
616 | ++base; |
|
|
617 | } |
|
|
618 | } |
|
|
619 | |
|
|
620 | void inline_speed |
713 | void inline_speed |
621 | fd_event (EV_P_ int fd, int revents) |
714 | fd_event (EV_P_ int fd, int revents) |
622 | { |
715 | { |
623 | ANFD *anfd = anfds + fd; |
716 | ANFD *anfd = anfds + fd; |
624 | ev_io *w; |
717 | ev_io *w; |
… | |
… | |
656 | events |= (unsigned char)w->events; |
749 | events |= (unsigned char)w->events; |
657 | |
750 | |
658 | #if EV_SELECT_IS_WINSOCKET |
751 | #if EV_SELECT_IS_WINSOCKET |
659 | if (events) |
752 | if (events) |
660 | { |
753 | { |
661 | unsigned long argp; |
754 | unsigned long arg; |
662 | #ifdef EV_FD_TO_WIN32_HANDLE |
755 | #ifdef EV_FD_TO_WIN32_HANDLE |
663 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
756 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
664 | #else |
757 | #else |
665 | anfd->handle = _get_osfhandle (fd); |
758 | anfd->handle = _get_osfhandle (fd); |
666 | #endif |
759 | #endif |
667 | 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)); |
668 | } |
761 | } |
669 | #endif |
762 | #endif |
670 | |
763 | |
671 | { |
764 | { |
672 | unsigned char o_events = anfd->events; |
765 | unsigned char o_events = anfd->events; |
673 | unsigned char o_reify = anfd->reify; |
766 | unsigned char o_reify = anfd->reify; |
674 | |
767 | |
675 | anfd->reify = 0; |
768 | anfd->reify = 0; |
676 | anfd->events = events; |
769 | anfd->events = events; |
677 | |
770 | |
678 | if (o_events != events || o_reify & EV_IOFDSET) |
771 | if (o_events != events || o_reify & EV__IOFDSET) |
679 | backend_modify (EV_A_ fd, o_events, events); |
772 | backend_modify (EV_A_ fd, o_events, events); |
680 | } |
773 | } |
681 | } |
774 | } |
682 | |
775 | |
683 | fdchangecnt = 0; |
776 | fdchangecnt = 0; |
… | |
… | |
725 | { |
818 | { |
726 | int fd; |
819 | int fd; |
727 | |
820 | |
728 | for (fd = 0; fd < anfdmax; ++fd) |
821 | for (fd = 0; fd < anfdmax; ++fd) |
729 | if (anfds [fd].events) |
822 | if (anfds [fd].events) |
730 | if (!fd_valid (fd) == -1 && errno == EBADF) |
823 | if (!fd_valid (fd) && errno == EBADF) |
731 | fd_kill (EV_A_ fd); |
824 | fd_kill (EV_A_ fd); |
732 | } |
825 | } |
733 | |
826 | |
734 | /* 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 */ |
735 | static void noinline |
828 | static void noinline |
… | |
… | |
753 | |
846 | |
754 | for (fd = 0; fd < anfdmax; ++fd) |
847 | for (fd = 0; fd < anfdmax; ++fd) |
755 | if (anfds [fd].events) |
848 | if (anfds [fd].events) |
756 | { |
849 | { |
757 | anfds [fd].events = 0; |
850 | anfds [fd].events = 0; |
|
|
851 | anfds [fd].emask = 0; |
758 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
852 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
759 | } |
853 | } |
760 | } |
854 | } |
761 | |
855 | |
762 | /*****************************************************************************/ |
856 | /*****************************************************************************/ |
|
|
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 */ |
|
|
878 | void inline_speed |
|
|
879 | downheap (ANHE *heap, int N, int k) |
|
|
880 | { |
|
|
881 | ANHE he = heap [k]; |
|
|
882 | ANHE *E = heap + N + HEAP0; |
|
|
883 | |
|
|
884 | for (;;) |
|
|
885 | { |
|
|
886 | ev_tstamp minat; |
|
|
887 | ANHE *minpos; |
|
|
888 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
|
|
889 | |
|
|
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 |
|
|
906 | break; |
|
|
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 |
763 | |
956 | |
764 | /* towards the root */ |
957 | /* towards the root */ |
765 | void inline_speed |
958 | void inline_speed |
766 | upheap (WT *heap, int k) |
959 | upheap (ANHE *heap, int k) |
767 | { |
960 | { |
768 | WT w = heap [k]; |
961 | ANHE he = heap [k]; |
769 | |
962 | |
770 | for (;;) |
963 | for (;;) |
771 | { |
964 | { |
772 | int p = k >> 1; |
965 | int p = HPARENT (k); |
773 | |
966 | |
774 | /* maybe we could use a dummy element at heap [0]? */ |
967 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
775 | if (!p || heap [p]->at <= w->at) |
|
|
776 | break; |
968 | break; |
777 | |
969 | |
778 | heap [k] = heap [p]; |
970 | heap [k] = heap [p]; |
779 | ev_active (heap [k]) = k; |
971 | ev_active (ANHE_w (heap [k])) = k; |
780 | k = p; |
972 | k = p; |
781 | } |
973 | } |
782 | |
974 | |
783 | heap [k] = w; |
975 | heap [k] = he; |
784 | ev_active (heap [k]) = k; |
976 | ev_active (ANHE_w (he)) = k; |
785 | } |
|
|
786 | |
|
|
787 | /* away from the root */ |
|
|
788 | void inline_speed |
|
|
789 | downheap (WT *heap, int N, int k) |
|
|
790 | { |
|
|
791 | WT w = heap [k]; |
|
|
792 | |
|
|
793 | for (;;) |
|
|
794 | { |
|
|
795 | int c = k << 1; |
|
|
796 | |
|
|
797 | if (c > N) |
|
|
798 | break; |
|
|
799 | |
|
|
800 | c += c < N && heap [c]->at > heap [c + 1]->at |
|
|
801 | ? 1 : 0; |
|
|
802 | |
|
|
803 | if (w->at <= heap [c]->at) |
|
|
804 | break; |
|
|
805 | |
|
|
806 | heap [k] = heap [c]; |
|
|
807 | ev_active (heap [k]) = k; |
|
|
808 | |
|
|
809 | k = c; |
|
|
810 | } |
|
|
811 | |
|
|
812 | heap [k] = w; |
|
|
813 | ev_active (heap [k]) = k; |
|
|
814 | } |
977 | } |
815 | |
978 | |
816 | void inline_size |
979 | void inline_size |
817 | adjustheap (WT *heap, int N, int k) |
980 | adjustheap (ANHE *heap, int N, int k) |
818 | { |
981 | { |
|
|
982 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
819 | upheap (heap, k); |
983 | upheap (heap, k); |
|
|
984 | else |
820 | 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); |
821 | } |
998 | } |
822 | |
999 | |
823 | /*****************************************************************************/ |
1000 | /*****************************************************************************/ |
824 | |
1001 | |
825 | typedef struct |
1002 | typedef struct |
… | |
… | |
831 | static ANSIG *signals; |
1008 | static ANSIG *signals; |
832 | static int signalmax; |
1009 | static int signalmax; |
833 | |
1010 | |
834 | static EV_ATOMIC_T gotsig; |
1011 | static EV_ATOMIC_T gotsig; |
835 | |
1012 | |
836 | void inline_size |
|
|
837 | signals_init (ANSIG *base, int count) |
|
|
838 | { |
|
|
839 | while (count--) |
|
|
840 | { |
|
|
841 | base->head = 0; |
|
|
842 | base->gotsig = 0; |
|
|
843 | |
|
|
844 | ++base; |
|
|
845 | } |
|
|
846 | } |
|
|
847 | |
|
|
848 | /*****************************************************************************/ |
1013 | /*****************************************************************************/ |
849 | |
1014 | |
850 | void inline_speed |
1015 | void inline_speed |
851 | fd_intern (int fd) |
1016 | fd_intern (int fd) |
852 | { |
1017 | { |
853 | #ifdef _WIN32 |
1018 | #ifdef _WIN32 |
854 | int arg = 1; |
1019 | unsigned long arg = 1; |
855 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1020 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
856 | #else |
1021 | #else |
857 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1022 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
858 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1023 | fcntl (fd, F_SETFL, O_NONBLOCK); |
859 | #endif |
1024 | #endif |
… | |
… | |
873 | } |
1038 | } |
874 | else |
1039 | else |
875 | #endif |
1040 | #endif |
876 | { |
1041 | { |
877 | while (pipe (evpipe)) |
1042 | while (pipe (evpipe)) |
878 | syserr ("(libev) error creating signal/async pipe"); |
1043 | ev_syserr ("(libev) error creating signal/async pipe"); |
879 | |
1044 | |
880 | fd_intern (evpipe [0]); |
1045 | fd_intern (evpipe [0]); |
881 | fd_intern (evpipe [1]); |
1046 | fd_intern (evpipe [1]); |
882 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1047 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
883 | } |
1048 | } |
… | |
… | |
973 | ev_feed_signal_event (EV_P_ int signum) |
1138 | ev_feed_signal_event (EV_P_ int signum) |
974 | { |
1139 | { |
975 | WL w; |
1140 | WL w; |
976 | |
1141 | |
977 | #if EV_MULTIPLICITY |
1142 | #if EV_MULTIPLICITY |
978 | 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)); |
979 | #endif |
1144 | #endif |
980 | |
1145 | |
981 | --signum; |
1146 | --signum; |
982 | |
1147 | |
983 | if (signum < 0 || signum >= signalmax) |
1148 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
1112 | /* kqueue is borked on everything but netbsd apparently */ |
1277 | /* kqueue is borked on everything but netbsd apparently */ |
1113 | /* 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 */ |
1114 | flags &= ~EVBACKEND_KQUEUE; |
1279 | flags &= ~EVBACKEND_KQUEUE; |
1115 | #endif |
1280 | #endif |
1116 | #ifdef __APPLE__ |
1281 | #ifdef __APPLE__ |
1117 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1282 | /* only select works correctly on that "unix-certified" platform */ |
1118 | 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 */ |
1119 | #endif |
1285 | #endif |
1120 | |
1286 | |
1121 | return flags; |
1287 | return flags; |
1122 | } |
1288 | } |
1123 | |
1289 | |
… | |
… | |
1160 | static void noinline |
1326 | static void noinline |
1161 | loop_init (EV_P_ unsigned int flags) |
1327 | loop_init (EV_P_ unsigned int flags) |
1162 | { |
1328 | { |
1163 | if (!backend) |
1329 | if (!backend) |
1164 | { |
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 | |
1165 | #if EV_USE_MONOTONIC |
1341 | #if EV_USE_MONOTONIC |
|
|
1342 | if (!have_monotonic) |
1166 | { |
1343 | { |
1167 | struct timespec ts; |
1344 | struct timespec ts; |
|
|
1345 | |
1168 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1346 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1169 | have_monotonic = 1; |
1347 | have_monotonic = 1; |
1170 | } |
1348 | } |
1171 | #endif |
1349 | #endif |
1172 | |
1350 | |
1173 | ev_rt_now = ev_time (); |
1351 | ev_rt_now = ev_time (); |
1174 | mn_now = get_clock (); |
1352 | mn_now = get_clock (); |
1175 | now_floor = mn_now; |
1353 | now_floor = mn_now; |
… | |
… | |
1343 | |
1521 | |
1344 | postfork = 0; |
1522 | postfork = 0; |
1345 | } |
1523 | } |
1346 | |
1524 | |
1347 | #if EV_MULTIPLICITY |
1525 | #if EV_MULTIPLICITY |
|
|
1526 | |
1348 | struct ev_loop * |
1527 | struct ev_loop * |
1349 | ev_loop_new (unsigned int flags) |
1528 | ev_loop_new (unsigned int flags) |
1350 | { |
1529 | { |
1351 | 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)); |
1352 | |
1531 | |
… | |
… | |
1371 | ev_loop_fork (EV_P) |
1550 | ev_loop_fork (EV_P) |
1372 | { |
1551 | { |
1373 | postfork = 1; /* must be in line with ev_default_fork */ |
1552 | postfork = 1; /* must be in line with ev_default_fork */ |
1374 | } |
1553 | } |
1375 | |
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) |
1376 | #endif |
1650 | # endif |
|
|
1651 | #endif |
|
|
1652 | } |
|
|
1653 | |
|
|
1654 | #endif /* multiplicity */ |
1377 | |
1655 | |
1378 | #if EV_MULTIPLICITY |
1656 | #if EV_MULTIPLICITY |
1379 | struct ev_loop * |
1657 | struct ev_loop * |
1380 | ev_default_loop_init (unsigned int flags) |
1658 | ev_default_loop_init (unsigned int flags) |
1381 | #else |
1659 | #else |
… | |
… | |
1414 | { |
1692 | { |
1415 | #if EV_MULTIPLICITY |
1693 | #if EV_MULTIPLICITY |
1416 | struct ev_loop *loop = ev_default_loop_ptr; |
1694 | struct ev_loop *loop = ev_default_loop_ptr; |
1417 | #endif |
1695 | #endif |
1418 | |
1696 | |
|
|
1697 | ev_default_loop_ptr = 0; |
|
|
1698 | |
1419 | #ifndef _WIN32 |
1699 | #ifndef _WIN32 |
1420 | ev_ref (EV_A); /* child watcher */ |
1700 | ev_ref (EV_A); /* child watcher */ |
1421 | ev_signal_stop (EV_A_ &childev); |
1701 | ev_signal_stop (EV_A_ &childev); |
1422 | #endif |
1702 | #endif |
1423 | |
1703 | |
… | |
… | |
1429 | { |
1709 | { |
1430 | #if EV_MULTIPLICITY |
1710 | #if EV_MULTIPLICITY |
1431 | struct ev_loop *loop = ev_default_loop_ptr; |
1711 | struct ev_loop *loop = ev_default_loop_ptr; |
1432 | #endif |
1712 | #endif |
1433 | |
1713 | |
1434 | if (backend) |
|
|
1435 | postfork = 1; /* must be in line with ev_loop_fork */ |
1714 | postfork = 1; /* must be in line with ev_loop_fork */ |
1436 | } |
1715 | } |
1437 | |
1716 | |
1438 | /*****************************************************************************/ |
1717 | /*****************************************************************************/ |
1439 | |
1718 | |
1440 | void |
1719 | void |
… | |
… | |
1453 | { |
1732 | { |
1454 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1733 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1455 | |
1734 | |
1456 | if (expect_true (p->w)) |
1735 | if (expect_true (p->w)) |
1457 | { |
1736 | { |
1458 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1737 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
1459 | |
1738 | |
1460 | p->w->pending = 0; |
1739 | p->w->pending = 0; |
1461 | EV_CB_INVOKE (p->w, p->events); |
1740 | EV_CB_INVOKE (p->w, p->events); |
|
|
1741 | EV_FREQUENT_CHECK; |
1462 | } |
1742 | } |
1463 | } |
1743 | } |
1464 | } |
1744 | } |
1465 | |
|
|
1466 | void inline_size |
|
|
1467 | timers_reify (EV_P) |
|
|
1468 | { |
|
|
1469 | while (timercnt && ev_at (timers [1]) <= mn_now) |
|
|
1470 | { |
|
|
1471 | ev_timer *w = (ev_timer *)timers [1]; |
|
|
1472 | |
|
|
1473 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1474 | |
|
|
1475 | /* first reschedule or stop timer */ |
|
|
1476 | if (w->repeat) |
|
|
1477 | { |
|
|
1478 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1479 | |
|
|
1480 | ev_at (w) += w->repeat; |
|
|
1481 | if (ev_at (w) < mn_now) |
|
|
1482 | ev_at (w) = mn_now; |
|
|
1483 | |
|
|
1484 | downheap (timers, timercnt, 1); |
|
|
1485 | } |
|
|
1486 | else |
|
|
1487 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1488 | |
|
|
1489 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1490 | } |
|
|
1491 | } |
|
|
1492 | |
|
|
1493 | #if EV_PERIODIC_ENABLE |
|
|
1494 | void inline_size |
|
|
1495 | periodics_reify (EV_P) |
|
|
1496 | { |
|
|
1497 | while (periodiccnt && ev_at (periodics [1]) <= ev_rt_now) |
|
|
1498 | { |
|
|
1499 | ev_periodic *w = (ev_periodic *)periodics [1]; |
|
|
1500 | |
|
|
1501 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1502 | |
|
|
1503 | /* first reschedule or stop timer */ |
|
|
1504 | if (w->reschedule_cb) |
|
|
1505 | { |
|
|
1506 | ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1507 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now)); |
|
|
1508 | downheap (periodics, periodiccnt, 1); |
|
|
1509 | } |
|
|
1510 | else if (w->interval) |
|
|
1511 | { |
|
|
1512 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1513 | if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval; |
|
|
1514 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now)); |
|
|
1515 | downheap (periodics, periodiccnt, 1); |
|
|
1516 | } |
|
|
1517 | else |
|
|
1518 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1519 | |
|
|
1520 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1521 | } |
|
|
1522 | } |
|
|
1523 | |
|
|
1524 | static void noinline |
|
|
1525 | periodics_reschedule (EV_P) |
|
|
1526 | { |
|
|
1527 | int i; |
|
|
1528 | |
|
|
1529 | /* adjust periodics after time jump */ |
|
|
1530 | for (i = 1; i <= periodiccnt; ++i) |
|
|
1531 | { |
|
|
1532 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1533 | |
|
|
1534 | if (w->reschedule_cb) |
|
|
1535 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1536 | else if (w->interval) |
|
|
1537 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1538 | } |
|
|
1539 | |
|
|
1540 | /* now rebuild the heap */ |
|
|
1541 | for (i = periodiccnt >> 1; i--; ) |
|
|
1542 | downheap (periodics, periodiccnt, i); |
|
|
1543 | } |
|
|
1544 | #endif |
|
|
1545 | |
1745 | |
1546 | #if EV_IDLE_ENABLE |
1746 | #if EV_IDLE_ENABLE |
1547 | void inline_size |
1747 | void inline_size |
1548 | idle_reify (EV_P) |
1748 | idle_reify (EV_P) |
1549 | { |
1749 | { |
… | |
… | |
1561 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1761 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1562 | break; |
1762 | break; |
1563 | } |
1763 | } |
1564 | } |
1764 | } |
1565 | } |
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); |
1566 | } |
1868 | } |
1567 | #endif |
1869 | #endif |
1568 | |
1870 | |
1569 | void inline_speed |
1871 | void inline_speed |
1570 | time_update (EV_P_ ev_tstamp max_block) |
1872 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1599 | */ |
1901 | */ |
1600 | for (i = 4; --i; ) |
1902 | for (i = 4; --i; ) |
1601 | { |
1903 | { |
1602 | rtmn_diff = ev_rt_now - mn_now; |
1904 | rtmn_diff = ev_rt_now - mn_now; |
1603 | |
1905 | |
1604 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1906 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1605 | return; /* all is well */ |
1907 | return; /* all is well */ |
1606 | |
1908 | |
1607 | ev_rt_now = ev_time (); |
1909 | ev_rt_now = ev_time (); |
1608 | mn_now = get_clock (); |
1910 | mn_now = get_clock (); |
1609 | now_floor = mn_now; |
1911 | now_floor = mn_now; |
… | |
… | |
1624 | { |
1926 | { |
1625 | #if EV_PERIODIC_ENABLE |
1927 | #if EV_PERIODIC_ENABLE |
1626 | periodics_reschedule (EV_A); |
1928 | periodics_reschedule (EV_A); |
1627 | #endif |
1929 | #endif |
1628 | /* 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 */ |
1629 | for (i = 1; i <= timercnt; ++i) |
1931 | for (i = 0; i < timercnt; ++i) |
1630 | ev_at (timers [i]) += ev_rt_now - mn_now; |
1932 | { |
|
|
1933 | ANHE *he = timers + i + HEAP0; |
|
|
1934 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1935 | ANHE_at_cache (*he); |
|
|
1936 | } |
1631 | } |
1937 | } |
1632 | |
1938 | |
1633 | mn_now = ev_rt_now; |
1939 | mn_now = ev_rt_now; |
1634 | } |
1940 | } |
1635 | } |
1941 | } |
… | |
… | |
1644 | ev_unref (EV_P) |
1950 | ev_unref (EV_P) |
1645 | { |
1951 | { |
1646 | --activecnt; |
1952 | --activecnt; |
1647 | } |
1953 | } |
1648 | |
1954 | |
|
|
1955 | void |
|
|
1956 | ev_now_update (EV_P) |
|
|
1957 | { |
|
|
1958 | time_update (EV_A_ 1e100); |
|
|
1959 | } |
|
|
1960 | |
1649 | static int loop_done; |
1961 | static int loop_done; |
1650 | |
1962 | |
1651 | void |
1963 | void |
1652 | ev_loop (EV_P_ int flags) |
1964 | ev_loop (EV_P_ int flags) |
1653 | { |
1965 | { |
… | |
… | |
1655 | |
1967 | |
1656 | 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 */ |
1657 | |
1969 | |
1658 | do |
1970 | do |
1659 | { |
1971 | { |
|
|
1972 | #if EV_VERIFY >= 2 |
|
|
1973 | ev_loop_verify (EV_A); |
|
|
1974 | #endif |
|
|
1975 | |
1660 | #ifndef _WIN32 |
1976 | #ifndef _WIN32 |
1661 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1977 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1662 | if (expect_false (getpid () != curpid)) |
1978 | if (expect_false (getpid () != curpid)) |
1663 | { |
1979 | { |
1664 | curpid = getpid (); |
1980 | curpid = getpid (); |
… | |
… | |
1705 | |
2021 | |
1706 | waittime = MAX_BLOCKTIME; |
2022 | waittime = MAX_BLOCKTIME; |
1707 | |
2023 | |
1708 | if (timercnt) |
2024 | if (timercnt) |
1709 | { |
2025 | { |
1710 | ev_tstamp to = ev_at (timers [1]) - mn_now + backend_fudge; |
2026 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1711 | if (waittime > to) waittime = to; |
2027 | if (waittime > to) waittime = to; |
1712 | } |
2028 | } |
1713 | |
2029 | |
1714 | #if EV_PERIODIC_ENABLE |
2030 | #if EV_PERIODIC_ENABLE |
1715 | if (periodiccnt) |
2031 | if (periodiccnt) |
1716 | { |
2032 | { |
1717 | ev_tstamp to = ev_at (periodics [1]) - ev_rt_now + backend_fudge; |
2033 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1718 | if (waittime > to) waittime = to; |
2034 | if (waittime > to) waittime = to; |
1719 | } |
2035 | } |
1720 | #endif |
2036 | #endif |
1721 | |
2037 | |
1722 | if (expect_false (waittime < timeout_blocktime)) |
2038 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1857 | int fd = w->fd; |
2173 | int fd = w->fd; |
1858 | |
2174 | |
1859 | if (expect_false (ev_is_active (w))) |
2175 | if (expect_false (ev_is_active (w))) |
1860 | return; |
2176 | return; |
1861 | |
2177 | |
1862 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2178 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2179 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2180 | |
|
|
2181 | EV_FREQUENT_CHECK; |
1863 | |
2182 | |
1864 | ev_start (EV_A_ (W)w, 1); |
2183 | ev_start (EV_A_ (W)w, 1); |
1865 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2184 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1866 | wlist_add (&anfds[fd].head, (WL)w); |
2185 | wlist_add (&anfds[fd].head, (WL)w); |
1867 | |
2186 | |
1868 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2187 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
1869 | w->events &= ~EV_IOFDSET; |
2188 | w->events &= ~EV__IOFDSET; |
|
|
2189 | |
|
|
2190 | EV_FREQUENT_CHECK; |
1870 | } |
2191 | } |
1871 | |
2192 | |
1872 | void noinline |
2193 | void noinline |
1873 | ev_io_stop (EV_P_ ev_io *w) |
2194 | ev_io_stop (EV_P_ ev_io *w) |
1874 | { |
2195 | { |
1875 | clear_pending (EV_A_ (W)w); |
2196 | clear_pending (EV_A_ (W)w); |
1876 | if (expect_false (!ev_is_active (w))) |
2197 | if (expect_false (!ev_is_active (w))) |
1877 | return; |
2198 | return; |
1878 | |
2199 | |
1879 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2200 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2201 | |
|
|
2202 | EV_FREQUENT_CHECK; |
1880 | |
2203 | |
1881 | wlist_del (&anfds[w->fd].head, (WL)w); |
2204 | wlist_del (&anfds[w->fd].head, (WL)w); |
1882 | ev_stop (EV_A_ (W)w); |
2205 | ev_stop (EV_A_ (W)w); |
1883 | |
2206 | |
1884 | fd_change (EV_A_ w->fd, 1); |
2207 | fd_change (EV_A_ w->fd, 1); |
|
|
2208 | |
|
|
2209 | EV_FREQUENT_CHECK; |
1885 | } |
2210 | } |
1886 | |
2211 | |
1887 | void noinline |
2212 | void noinline |
1888 | ev_timer_start (EV_P_ ev_timer *w) |
2213 | ev_timer_start (EV_P_ ev_timer *w) |
1889 | { |
2214 | { |
1890 | if (expect_false (ev_is_active (w))) |
2215 | if (expect_false (ev_is_active (w))) |
1891 | return; |
2216 | return; |
1892 | |
2217 | |
1893 | ev_at (w) += mn_now; |
2218 | ev_at (w) += mn_now; |
1894 | |
2219 | |
1895 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2220 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1896 | |
2221 | |
|
|
2222 | EV_FREQUENT_CHECK; |
|
|
2223 | |
|
|
2224 | ++timercnt; |
1897 | ev_start (EV_A_ (W)w, ++timercnt); |
2225 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1898 | array_needsize (WT, timers, timermax, timercnt + 1, EMPTY2); |
2226 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1899 | timers [timercnt] = (WT)w; |
2227 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
|
|
2228 | ANHE_at_cache (timers [ev_active (w)]); |
1900 | upheap (timers, timercnt); |
2229 | upheap (timers, ev_active (w)); |
1901 | |
2230 | |
|
|
2231 | EV_FREQUENT_CHECK; |
|
|
2232 | |
1902 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/ |
2233 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1903 | } |
2234 | } |
1904 | |
2235 | |
1905 | void noinline |
2236 | void noinline |
1906 | ev_timer_stop (EV_P_ ev_timer *w) |
2237 | ev_timer_stop (EV_P_ ev_timer *w) |
1907 | { |
2238 | { |
1908 | clear_pending (EV_A_ (W)w); |
2239 | clear_pending (EV_A_ (W)w); |
1909 | if (expect_false (!ev_is_active (w))) |
2240 | if (expect_false (!ev_is_active (w))) |
1910 | return; |
2241 | return; |
1911 | |
2242 | |
|
|
2243 | EV_FREQUENT_CHECK; |
|
|
2244 | |
1912 | { |
2245 | { |
1913 | int active = ev_active (w); |
2246 | int active = ev_active (w); |
1914 | |
2247 | |
1915 | assert (("internal timer heap corruption", timers [active] == (WT)w)); |
2248 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
1916 | |
2249 | |
|
|
2250 | --timercnt; |
|
|
2251 | |
1917 | if (expect_true (active < timercnt)) |
2252 | if (expect_true (active < timercnt + HEAP0)) |
1918 | { |
2253 | { |
1919 | timers [active] = timers [timercnt]; |
2254 | timers [active] = timers [timercnt + HEAP0]; |
1920 | adjustheap (timers, timercnt, active); |
2255 | adjustheap (timers, timercnt, active); |
1921 | } |
2256 | } |
1922 | |
|
|
1923 | --timercnt; |
|
|
1924 | } |
2257 | } |
|
|
2258 | |
|
|
2259 | EV_FREQUENT_CHECK; |
1925 | |
2260 | |
1926 | ev_at (w) -= mn_now; |
2261 | ev_at (w) -= mn_now; |
1927 | |
2262 | |
1928 | ev_stop (EV_A_ (W)w); |
2263 | ev_stop (EV_A_ (W)w); |
1929 | } |
2264 | } |
1930 | |
2265 | |
1931 | void noinline |
2266 | void noinline |
1932 | ev_timer_again (EV_P_ ev_timer *w) |
2267 | ev_timer_again (EV_P_ ev_timer *w) |
1933 | { |
2268 | { |
|
|
2269 | EV_FREQUENT_CHECK; |
|
|
2270 | |
1934 | if (ev_is_active (w)) |
2271 | if (ev_is_active (w)) |
1935 | { |
2272 | { |
1936 | if (w->repeat) |
2273 | if (w->repeat) |
1937 | { |
2274 | { |
1938 | ev_at (w) = mn_now + w->repeat; |
2275 | ev_at (w) = mn_now + w->repeat; |
|
|
2276 | ANHE_at_cache (timers [ev_active (w)]); |
1939 | adjustheap (timers, timercnt, ev_active (w)); |
2277 | adjustheap (timers, timercnt, ev_active (w)); |
1940 | } |
2278 | } |
1941 | else |
2279 | else |
1942 | ev_timer_stop (EV_A_ w); |
2280 | ev_timer_stop (EV_A_ w); |
1943 | } |
2281 | } |
1944 | else if (w->repeat) |
2282 | else if (w->repeat) |
1945 | { |
2283 | { |
1946 | ev_at (w) = w->repeat; |
2284 | ev_at (w) = w->repeat; |
1947 | ev_timer_start (EV_A_ w); |
2285 | ev_timer_start (EV_A_ w); |
1948 | } |
2286 | } |
|
|
2287 | |
|
|
2288 | EV_FREQUENT_CHECK; |
1949 | } |
2289 | } |
1950 | |
2290 | |
1951 | #if EV_PERIODIC_ENABLE |
2291 | #if EV_PERIODIC_ENABLE |
1952 | void noinline |
2292 | void noinline |
1953 | ev_periodic_start (EV_P_ ev_periodic *w) |
2293 | ev_periodic_start (EV_P_ ev_periodic *w) |
… | |
… | |
1957 | |
2297 | |
1958 | if (w->reschedule_cb) |
2298 | if (w->reschedule_cb) |
1959 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2299 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1960 | else if (w->interval) |
2300 | else if (w->interval) |
1961 | { |
2301 | { |
1962 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2302 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1963 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2303 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1964 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2304 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1965 | } |
2305 | } |
1966 | else |
2306 | else |
1967 | ev_at (w) = w->offset; |
2307 | ev_at (w) = w->offset; |
1968 | |
2308 | |
|
|
2309 | EV_FREQUENT_CHECK; |
|
|
2310 | |
|
|
2311 | ++periodiccnt; |
1969 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2312 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1970 | array_needsize (WT, periodics, periodicmax, periodiccnt + 1, EMPTY2); |
2313 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1971 | periodics [periodiccnt] = (WT)w; |
2314 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1972 | upheap (periodics, periodiccnt); |
2315 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2316 | upheap (periodics, ev_active (w)); |
1973 | |
2317 | |
|
|
2318 | EV_FREQUENT_CHECK; |
|
|
2319 | |
1974 | /*assert (("internal periodic heap corruption", periodics [ev_active (w)] == w));*/ |
2320 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1975 | } |
2321 | } |
1976 | |
2322 | |
1977 | void noinline |
2323 | void noinline |
1978 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2324 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1979 | { |
2325 | { |
1980 | clear_pending (EV_A_ (W)w); |
2326 | clear_pending (EV_A_ (W)w); |
1981 | if (expect_false (!ev_is_active (w))) |
2327 | if (expect_false (!ev_is_active (w))) |
1982 | return; |
2328 | return; |
1983 | |
2329 | |
|
|
2330 | EV_FREQUENT_CHECK; |
|
|
2331 | |
1984 | { |
2332 | { |
1985 | int active = ev_active (w); |
2333 | int active = ev_active (w); |
1986 | |
2334 | |
1987 | assert (("internal periodic heap corruption", periodics [active] == (WT)w)); |
2335 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
1988 | |
2336 | |
|
|
2337 | --periodiccnt; |
|
|
2338 | |
1989 | if (expect_true (active < periodiccnt)) |
2339 | if (expect_true (active < periodiccnt + HEAP0)) |
1990 | { |
2340 | { |
1991 | periodics [active] = periodics [periodiccnt]; |
2341 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1992 | adjustheap (periodics, periodiccnt, active); |
2342 | adjustheap (periodics, periodiccnt, active); |
1993 | } |
2343 | } |
1994 | |
|
|
1995 | --periodiccnt; |
|
|
1996 | } |
2344 | } |
|
|
2345 | |
|
|
2346 | EV_FREQUENT_CHECK; |
1997 | |
2347 | |
1998 | ev_stop (EV_A_ (W)w); |
2348 | ev_stop (EV_A_ (W)w); |
1999 | } |
2349 | } |
2000 | |
2350 | |
2001 | void noinline |
2351 | void noinline |
… | |
… | |
2013 | |
2363 | |
2014 | void noinline |
2364 | void noinline |
2015 | ev_signal_start (EV_P_ ev_signal *w) |
2365 | ev_signal_start (EV_P_ ev_signal *w) |
2016 | { |
2366 | { |
2017 | #if EV_MULTIPLICITY |
2367 | #if EV_MULTIPLICITY |
2018 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2368 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2019 | #endif |
2369 | #endif |
2020 | if (expect_false (ev_is_active (w))) |
2370 | if (expect_false (ev_is_active (w))) |
2021 | return; |
2371 | return; |
2022 | |
2372 | |
2023 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2373 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2024 | |
2374 | |
2025 | evpipe_init (EV_A); |
2375 | evpipe_init (EV_A); |
|
|
2376 | |
|
|
2377 | EV_FREQUENT_CHECK; |
2026 | |
2378 | |
2027 | { |
2379 | { |
2028 | #ifndef _WIN32 |
2380 | #ifndef _WIN32 |
2029 | sigset_t full, prev; |
2381 | sigset_t full, prev; |
2030 | sigfillset (&full); |
2382 | sigfillset (&full); |
2031 | sigprocmask (SIG_SETMASK, &full, &prev); |
2383 | sigprocmask (SIG_SETMASK, &full, &prev); |
2032 | #endif |
2384 | #endif |
2033 | |
2385 | |
2034 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2386 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2035 | |
2387 | |
2036 | #ifndef _WIN32 |
2388 | #ifndef _WIN32 |
2037 | sigprocmask (SIG_SETMASK, &prev, 0); |
2389 | sigprocmask (SIG_SETMASK, &prev, 0); |
2038 | #endif |
2390 | #endif |
2039 | } |
2391 | } |
… | |
… | |
2051 | sigfillset (&sa.sa_mask); |
2403 | sigfillset (&sa.sa_mask); |
2052 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2404 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2053 | sigaction (w->signum, &sa, 0); |
2405 | sigaction (w->signum, &sa, 0); |
2054 | #endif |
2406 | #endif |
2055 | } |
2407 | } |
|
|
2408 | |
|
|
2409 | EV_FREQUENT_CHECK; |
2056 | } |
2410 | } |
2057 | |
2411 | |
2058 | void noinline |
2412 | void noinline |
2059 | ev_signal_stop (EV_P_ ev_signal *w) |
2413 | ev_signal_stop (EV_P_ ev_signal *w) |
2060 | { |
2414 | { |
2061 | clear_pending (EV_A_ (W)w); |
2415 | clear_pending (EV_A_ (W)w); |
2062 | if (expect_false (!ev_is_active (w))) |
2416 | if (expect_false (!ev_is_active (w))) |
2063 | return; |
2417 | return; |
2064 | |
2418 | |
|
|
2419 | EV_FREQUENT_CHECK; |
|
|
2420 | |
2065 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2421 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2066 | ev_stop (EV_A_ (W)w); |
2422 | ev_stop (EV_A_ (W)w); |
2067 | |
2423 | |
2068 | if (!signals [w->signum - 1].head) |
2424 | if (!signals [w->signum - 1].head) |
2069 | signal (w->signum, SIG_DFL); |
2425 | signal (w->signum, SIG_DFL); |
|
|
2426 | |
|
|
2427 | EV_FREQUENT_CHECK; |
2070 | } |
2428 | } |
2071 | |
2429 | |
2072 | void |
2430 | void |
2073 | ev_child_start (EV_P_ ev_child *w) |
2431 | ev_child_start (EV_P_ ev_child *w) |
2074 | { |
2432 | { |
2075 | #if EV_MULTIPLICITY |
2433 | #if EV_MULTIPLICITY |
2076 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2434 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2077 | #endif |
2435 | #endif |
2078 | if (expect_false (ev_is_active (w))) |
2436 | if (expect_false (ev_is_active (w))) |
2079 | return; |
2437 | return; |
2080 | |
2438 | |
|
|
2439 | EV_FREQUENT_CHECK; |
|
|
2440 | |
2081 | ev_start (EV_A_ (W)w, 1); |
2441 | ev_start (EV_A_ (W)w, 1); |
2082 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2442 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2443 | |
|
|
2444 | EV_FREQUENT_CHECK; |
2083 | } |
2445 | } |
2084 | |
2446 | |
2085 | void |
2447 | void |
2086 | ev_child_stop (EV_P_ ev_child *w) |
2448 | ev_child_stop (EV_P_ ev_child *w) |
2087 | { |
2449 | { |
2088 | clear_pending (EV_A_ (W)w); |
2450 | clear_pending (EV_A_ (W)w); |
2089 | if (expect_false (!ev_is_active (w))) |
2451 | if (expect_false (!ev_is_active (w))) |
2090 | return; |
2452 | return; |
2091 | |
2453 | |
|
|
2454 | EV_FREQUENT_CHECK; |
|
|
2455 | |
2092 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2456 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2093 | ev_stop (EV_A_ (W)w); |
2457 | ev_stop (EV_A_ (W)w); |
|
|
2458 | |
|
|
2459 | EV_FREQUENT_CHECK; |
2094 | } |
2460 | } |
2095 | |
2461 | |
2096 | #if EV_STAT_ENABLE |
2462 | #if EV_STAT_ENABLE |
2097 | |
2463 | |
2098 | # ifdef _WIN32 |
2464 | # ifdef _WIN32 |
2099 | # undef lstat |
2465 | # undef lstat |
2100 | # define lstat(a,b) _stati64 (a,b) |
2466 | # define lstat(a,b) _stati64 (a,b) |
2101 | # endif |
2467 | # endif |
2102 | |
2468 | |
2103 | #define DEF_STAT_INTERVAL 5.0074891 |
2469 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2470 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2104 | #define MIN_STAT_INTERVAL 0.1074891 |
2471 | #define MIN_STAT_INTERVAL 0.1074891 |
2105 | |
2472 | |
2106 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2473 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2107 | |
2474 | |
2108 | #if EV_USE_INOTIFY |
2475 | #if EV_USE_INOTIFY |
2109 | # define EV_INOTIFY_BUFSIZE 8192 |
2476 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2113 | { |
2480 | { |
2114 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2481 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2115 | |
2482 | |
2116 | if (w->wd < 0) |
2483 | if (w->wd < 0) |
2117 | { |
2484 | { |
|
|
2485 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2118 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2486 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2119 | |
2487 | |
2120 | /* monitor some parent directory for speedup hints */ |
2488 | /* monitor some parent directory for speedup hints */ |
2121 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
2489 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2122 | /* but an efficiency issue only */ |
2490 | /* but an efficiency issue only */ |
2123 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2491 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2124 | { |
2492 | { |
2125 | char path [4096]; |
2493 | char path [4096]; |
2126 | strcpy (path, w->path); |
2494 | strcpy (path, w->path); |
… | |
… | |
2130 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2498 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2131 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2499 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2132 | |
2500 | |
2133 | char *pend = strrchr (path, '/'); |
2501 | char *pend = strrchr (path, '/'); |
2134 | |
2502 | |
2135 | if (!pend) |
2503 | if (!pend || pend == path) |
2136 | break; /* whoops, no '/', complain to your admin */ |
2504 | break; |
2137 | |
2505 | |
2138 | *pend = 0; |
2506 | *pend = 0; |
2139 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2507 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2140 | } |
2508 | } |
2141 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2509 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2142 | } |
2510 | } |
2143 | } |
2511 | } |
2144 | else |
|
|
2145 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2146 | |
2512 | |
2147 | if (w->wd >= 0) |
2513 | if (w->wd >= 0) |
|
|
2514 | { |
2148 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2515 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2516 | |
|
|
2517 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2518 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2519 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2520 | struct statfs sfs; |
|
|
2521 | |
|
|
2522 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2523 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2524 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2525 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2526 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2527 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2528 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2529 | return; |
|
|
2530 | |
|
|
2531 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2532 | ev_timer_again (EV_A_ &w->timer); |
|
|
2533 | } |
2149 | } |
2534 | } |
2150 | |
2535 | |
2151 | static void noinline |
2536 | static void noinline |
2152 | infy_del (EV_P_ ev_stat *w) |
2537 | infy_del (EV_P_ ev_stat *w) |
2153 | { |
2538 | { |
… | |
… | |
2167 | |
2552 | |
2168 | static void noinline |
2553 | static void noinline |
2169 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2554 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2170 | { |
2555 | { |
2171 | if (slot < 0) |
2556 | if (slot < 0) |
2172 | /* overflow, need to check for all hahs slots */ |
2557 | /* overflow, need to check for all hash slots */ |
2173 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2558 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2174 | infy_wd (EV_A_ slot, wd, ev); |
2559 | infy_wd (EV_A_ slot, wd, ev); |
2175 | else |
2560 | else |
2176 | { |
2561 | { |
2177 | WL w_; |
2562 | WL w_; |
… | |
… | |
2183 | |
2568 | |
2184 | if (w->wd == wd || wd == -1) |
2569 | if (w->wd == wd || wd == -1) |
2185 | { |
2570 | { |
2186 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2571 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2187 | { |
2572 | { |
|
|
2573 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2188 | w->wd = -1; |
2574 | w->wd = -1; |
2189 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2575 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2190 | } |
2576 | } |
2191 | |
2577 | |
2192 | stat_timer_cb (EV_A_ &w->timer, 0); |
2578 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2206 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2592 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2207 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2593 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2208 | } |
2594 | } |
2209 | |
2595 | |
2210 | void inline_size |
2596 | void inline_size |
|
|
2597 | check_2625 (EV_P) |
|
|
2598 | { |
|
|
2599 | /* kernels < 2.6.25 are borked |
|
|
2600 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2601 | */ |
|
|
2602 | struct utsname buf; |
|
|
2603 | int major, minor, micro; |
|
|
2604 | |
|
|
2605 | if (uname (&buf)) |
|
|
2606 | return; |
|
|
2607 | |
|
|
2608 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2609 | return; |
|
|
2610 | |
|
|
2611 | if (major < 2 |
|
|
2612 | || (major == 2 && minor < 6) |
|
|
2613 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2614 | return; |
|
|
2615 | |
|
|
2616 | fs_2625 = 1; |
|
|
2617 | } |
|
|
2618 | |
|
|
2619 | void inline_size |
2211 | infy_init (EV_P) |
2620 | infy_init (EV_P) |
2212 | { |
2621 | { |
2213 | if (fs_fd != -2) |
2622 | if (fs_fd != -2) |
2214 | return; |
2623 | return; |
|
|
2624 | |
|
|
2625 | fs_fd = -1; |
|
|
2626 | |
|
|
2627 | check_2625 (EV_A); |
2215 | |
2628 | |
2216 | fs_fd = inotify_init (); |
2629 | fs_fd = inotify_init (); |
2217 | |
2630 | |
2218 | if (fs_fd >= 0) |
2631 | if (fs_fd >= 0) |
2219 | { |
2632 | { |
… | |
… | |
2247 | w->wd = -1; |
2660 | w->wd = -1; |
2248 | |
2661 | |
2249 | if (fs_fd >= 0) |
2662 | if (fs_fd >= 0) |
2250 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2663 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2251 | else |
2664 | else |
2252 | ev_timer_start (EV_A_ &w->timer); |
2665 | ev_timer_again (EV_A_ &w->timer); |
2253 | } |
2666 | } |
2254 | |
|
|
2255 | } |
2667 | } |
2256 | } |
2668 | } |
2257 | |
2669 | |
|
|
2670 | #endif |
|
|
2671 | |
|
|
2672 | #ifdef _WIN32 |
|
|
2673 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2674 | #else |
|
|
2675 | # define EV_LSTAT(p,b) lstat (p, b) |
2258 | #endif |
2676 | #endif |
2259 | |
2677 | |
2260 | void |
2678 | void |
2261 | ev_stat_stat (EV_P_ ev_stat *w) |
2679 | ev_stat_stat (EV_P_ ev_stat *w) |
2262 | { |
2680 | { |
… | |
… | |
2289 | || w->prev.st_atime != w->attr.st_atime |
2707 | || w->prev.st_atime != w->attr.st_atime |
2290 | || w->prev.st_mtime != w->attr.st_mtime |
2708 | || w->prev.st_mtime != w->attr.st_mtime |
2291 | || w->prev.st_ctime != w->attr.st_ctime |
2709 | || w->prev.st_ctime != w->attr.st_ctime |
2292 | ) { |
2710 | ) { |
2293 | #if EV_USE_INOTIFY |
2711 | #if EV_USE_INOTIFY |
|
|
2712 | if (fs_fd >= 0) |
|
|
2713 | { |
2294 | infy_del (EV_A_ w); |
2714 | infy_del (EV_A_ w); |
2295 | infy_add (EV_A_ w); |
2715 | infy_add (EV_A_ w); |
2296 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2716 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2717 | } |
2297 | #endif |
2718 | #endif |
2298 | |
2719 | |
2299 | ev_feed_event (EV_A_ w, EV_STAT); |
2720 | ev_feed_event (EV_A_ w, EV_STAT); |
2300 | } |
2721 | } |
2301 | } |
2722 | } |
… | |
… | |
2304 | ev_stat_start (EV_P_ ev_stat *w) |
2725 | ev_stat_start (EV_P_ ev_stat *w) |
2305 | { |
2726 | { |
2306 | if (expect_false (ev_is_active (w))) |
2727 | if (expect_false (ev_is_active (w))) |
2307 | return; |
2728 | return; |
2308 | |
2729 | |
2309 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2310 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2311 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2312 | |
|
|
2313 | ev_stat_stat (EV_A_ w); |
2730 | ev_stat_stat (EV_A_ w); |
2314 | |
2731 | |
|
|
2732 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2315 | if (w->interval < MIN_STAT_INTERVAL) |
2733 | w->interval = MIN_STAT_INTERVAL; |
2316 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2317 | |
2734 | |
2318 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2735 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2319 | ev_set_priority (&w->timer, ev_priority (w)); |
2736 | ev_set_priority (&w->timer, ev_priority (w)); |
2320 | |
2737 | |
2321 | #if EV_USE_INOTIFY |
2738 | #if EV_USE_INOTIFY |
2322 | infy_init (EV_A); |
2739 | infy_init (EV_A); |
2323 | |
2740 | |
2324 | if (fs_fd >= 0) |
2741 | if (fs_fd >= 0) |
2325 | infy_add (EV_A_ w); |
2742 | infy_add (EV_A_ w); |
2326 | else |
2743 | else |
2327 | #endif |
2744 | #endif |
2328 | ev_timer_start (EV_A_ &w->timer); |
2745 | ev_timer_again (EV_A_ &w->timer); |
2329 | |
2746 | |
2330 | ev_start (EV_A_ (W)w, 1); |
2747 | ev_start (EV_A_ (W)w, 1); |
|
|
2748 | |
|
|
2749 | EV_FREQUENT_CHECK; |
2331 | } |
2750 | } |
2332 | |
2751 | |
2333 | void |
2752 | void |
2334 | ev_stat_stop (EV_P_ ev_stat *w) |
2753 | ev_stat_stop (EV_P_ ev_stat *w) |
2335 | { |
2754 | { |
2336 | clear_pending (EV_A_ (W)w); |
2755 | clear_pending (EV_A_ (W)w); |
2337 | if (expect_false (!ev_is_active (w))) |
2756 | if (expect_false (!ev_is_active (w))) |
2338 | return; |
2757 | return; |
2339 | |
2758 | |
|
|
2759 | EV_FREQUENT_CHECK; |
|
|
2760 | |
2340 | #if EV_USE_INOTIFY |
2761 | #if EV_USE_INOTIFY |
2341 | infy_del (EV_A_ w); |
2762 | infy_del (EV_A_ w); |
2342 | #endif |
2763 | #endif |
2343 | ev_timer_stop (EV_A_ &w->timer); |
2764 | ev_timer_stop (EV_A_ &w->timer); |
2344 | |
2765 | |
2345 | ev_stop (EV_A_ (W)w); |
2766 | ev_stop (EV_A_ (W)w); |
|
|
2767 | |
|
|
2768 | EV_FREQUENT_CHECK; |
2346 | } |
2769 | } |
2347 | #endif |
2770 | #endif |
2348 | |
2771 | |
2349 | #if EV_IDLE_ENABLE |
2772 | #if EV_IDLE_ENABLE |
2350 | void |
2773 | void |
… | |
… | |
2352 | { |
2775 | { |
2353 | if (expect_false (ev_is_active (w))) |
2776 | if (expect_false (ev_is_active (w))) |
2354 | return; |
2777 | return; |
2355 | |
2778 | |
2356 | pri_adjust (EV_A_ (W)w); |
2779 | pri_adjust (EV_A_ (W)w); |
|
|
2780 | |
|
|
2781 | EV_FREQUENT_CHECK; |
2357 | |
2782 | |
2358 | { |
2783 | { |
2359 | int active = ++idlecnt [ABSPRI (w)]; |
2784 | int active = ++idlecnt [ABSPRI (w)]; |
2360 | |
2785 | |
2361 | ++idleall; |
2786 | ++idleall; |
2362 | ev_start (EV_A_ (W)w, active); |
2787 | ev_start (EV_A_ (W)w, active); |
2363 | |
2788 | |
2364 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2789 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2365 | idles [ABSPRI (w)][active - 1] = w; |
2790 | idles [ABSPRI (w)][active - 1] = w; |
2366 | } |
2791 | } |
|
|
2792 | |
|
|
2793 | EV_FREQUENT_CHECK; |
2367 | } |
2794 | } |
2368 | |
2795 | |
2369 | void |
2796 | void |
2370 | ev_idle_stop (EV_P_ ev_idle *w) |
2797 | ev_idle_stop (EV_P_ ev_idle *w) |
2371 | { |
2798 | { |
2372 | clear_pending (EV_A_ (W)w); |
2799 | clear_pending (EV_A_ (W)w); |
2373 | if (expect_false (!ev_is_active (w))) |
2800 | if (expect_false (!ev_is_active (w))) |
2374 | return; |
2801 | return; |
2375 | |
2802 | |
|
|
2803 | EV_FREQUENT_CHECK; |
|
|
2804 | |
2376 | { |
2805 | { |
2377 | int active = ev_active (w); |
2806 | int active = ev_active (w); |
2378 | |
2807 | |
2379 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2808 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2380 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2809 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2381 | |
2810 | |
2382 | ev_stop (EV_A_ (W)w); |
2811 | ev_stop (EV_A_ (W)w); |
2383 | --idleall; |
2812 | --idleall; |
2384 | } |
2813 | } |
|
|
2814 | |
|
|
2815 | EV_FREQUENT_CHECK; |
2385 | } |
2816 | } |
2386 | #endif |
2817 | #endif |
2387 | |
2818 | |
2388 | void |
2819 | void |
2389 | ev_prepare_start (EV_P_ ev_prepare *w) |
2820 | ev_prepare_start (EV_P_ ev_prepare *w) |
2390 | { |
2821 | { |
2391 | if (expect_false (ev_is_active (w))) |
2822 | if (expect_false (ev_is_active (w))) |
2392 | return; |
2823 | return; |
|
|
2824 | |
|
|
2825 | EV_FREQUENT_CHECK; |
2393 | |
2826 | |
2394 | ev_start (EV_A_ (W)w, ++preparecnt); |
2827 | ev_start (EV_A_ (W)w, ++preparecnt); |
2395 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2828 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2396 | prepares [preparecnt - 1] = w; |
2829 | prepares [preparecnt - 1] = w; |
|
|
2830 | |
|
|
2831 | EV_FREQUENT_CHECK; |
2397 | } |
2832 | } |
2398 | |
2833 | |
2399 | void |
2834 | void |
2400 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2835 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2401 | { |
2836 | { |
2402 | clear_pending (EV_A_ (W)w); |
2837 | clear_pending (EV_A_ (W)w); |
2403 | if (expect_false (!ev_is_active (w))) |
2838 | if (expect_false (!ev_is_active (w))) |
2404 | return; |
2839 | return; |
2405 | |
2840 | |
|
|
2841 | EV_FREQUENT_CHECK; |
|
|
2842 | |
2406 | { |
2843 | { |
2407 | int active = ev_active (w); |
2844 | int active = ev_active (w); |
2408 | |
2845 | |
2409 | prepares [active - 1] = prepares [--preparecnt]; |
2846 | prepares [active - 1] = prepares [--preparecnt]; |
2410 | ev_active (prepares [active - 1]) = active; |
2847 | ev_active (prepares [active - 1]) = active; |
2411 | } |
2848 | } |
2412 | |
2849 | |
2413 | ev_stop (EV_A_ (W)w); |
2850 | ev_stop (EV_A_ (W)w); |
|
|
2851 | |
|
|
2852 | EV_FREQUENT_CHECK; |
2414 | } |
2853 | } |
2415 | |
2854 | |
2416 | void |
2855 | void |
2417 | ev_check_start (EV_P_ ev_check *w) |
2856 | ev_check_start (EV_P_ ev_check *w) |
2418 | { |
2857 | { |
2419 | if (expect_false (ev_is_active (w))) |
2858 | if (expect_false (ev_is_active (w))) |
2420 | return; |
2859 | return; |
|
|
2860 | |
|
|
2861 | EV_FREQUENT_CHECK; |
2421 | |
2862 | |
2422 | ev_start (EV_A_ (W)w, ++checkcnt); |
2863 | ev_start (EV_A_ (W)w, ++checkcnt); |
2423 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2864 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2424 | checks [checkcnt - 1] = w; |
2865 | checks [checkcnt - 1] = w; |
|
|
2866 | |
|
|
2867 | EV_FREQUENT_CHECK; |
2425 | } |
2868 | } |
2426 | |
2869 | |
2427 | void |
2870 | void |
2428 | ev_check_stop (EV_P_ ev_check *w) |
2871 | ev_check_stop (EV_P_ ev_check *w) |
2429 | { |
2872 | { |
2430 | clear_pending (EV_A_ (W)w); |
2873 | clear_pending (EV_A_ (W)w); |
2431 | if (expect_false (!ev_is_active (w))) |
2874 | if (expect_false (!ev_is_active (w))) |
2432 | return; |
2875 | return; |
2433 | |
2876 | |
|
|
2877 | EV_FREQUENT_CHECK; |
|
|
2878 | |
2434 | { |
2879 | { |
2435 | int active = ev_active (w); |
2880 | int active = ev_active (w); |
2436 | |
2881 | |
2437 | checks [active - 1] = checks [--checkcnt]; |
2882 | checks [active - 1] = checks [--checkcnt]; |
2438 | ev_active (checks [active - 1]) = active; |
2883 | ev_active (checks [active - 1]) = active; |
2439 | } |
2884 | } |
2440 | |
2885 | |
2441 | ev_stop (EV_A_ (W)w); |
2886 | ev_stop (EV_A_ (W)w); |
|
|
2887 | |
|
|
2888 | EV_FREQUENT_CHECK; |
2442 | } |
2889 | } |
2443 | |
2890 | |
2444 | #if EV_EMBED_ENABLE |
2891 | #if EV_EMBED_ENABLE |
2445 | void noinline |
2892 | void noinline |
2446 | ev_embed_sweep (EV_P_ ev_embed *w) |
2893 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2473 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2920 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2474 | } |
2921 | } |
2475 | } |
2922 | } |
2476 | } |
2923 | } |
2477 | |
2924 | |
|
|
2925 | static void |
|
|
2926 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2927 | { |
|
|
2928 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2929 | |
|
|
2930 | ev_embed_stop (EV_A_ w); |
|
|
2931 | |
|
|
2932 | { |
|
|
2933 | struct ev_loop *loop = w->other; |
|
|
2934 | |
|
|
2935 | ev_loop_fork (EV_A); |
|
|
2936 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2937 | } |
|
|
2938 | |
|
|
2939 | ev_embed_start (EV_A_ w); |
|
|
2940 | } |
|
|
2941 | |
2478 | #if 0 |
2942 | #if 0 |
2479 | static void |
2943 | static void |
2480 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2944 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2481 | { |
2945 | { |
2482 | ev_idle_stop (EV_A_ idle); |
2946 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2489 | if (expect_false (ev_is_active (w))) |
2953 | if (expect_false (ev_is_active (w))) |
2490 | return; |
2954 | return; |
2491 | |
2955 | |
2492 | { |
2956 | { |
2493 | struct ev_loop *loop = w->other; |
2957 | struct ev_loop *loop = w->other; |
2494 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2958 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2495 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2959 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2496 | } |
2960 | } |
|
|
2961 | |
|
|
2962 | EV_FREQUENT_CHECK; |
2497 | |
2963 | |
2498 | ev_set_priority (&w->io, ev_priority (w)); |
2964 | ev_set_priority (&w->io, ev_priority (w)); |
2499 | ev_io_start (EV_A_ &w->io); |
2965 | ev_io_start (EV_A_ &w->io); |
2500 | |
2966 | |
2501 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2967 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2502 | ev_set_priority (&w->prepare, EV_MINPRI); |
2968 | ev_set_priority (&w->prepare, EV_MINPRI); |
2503 | ev_prepare_start (EV_A_ &w->prepare); |
2969 | ev_prepare_start (EV_A_ &w->prepare); |
2504 | |
2970 | |
|
|
2971 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2972 | ev_fork_start (EV_A_ &w->fork); |
|
|
2973 | |
2505 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2974 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2506 | |
2975 | |
2507 | ev_start (EV_A_ (W)w, 1); |
2976 | ev_start (EV_A_ (W)w, 1); |
|
|
2977 | |
|
|
2978 | EV_FREQUENT_CHECK; |
2508 | } |
2979 | } |
2509 | |
2980 | |
2510 | void |
2981 | void |
2511 | ev_embed_stop (EV_P_ ev_embed *w) |
2982 | ev_embed_stop (EV_P_ ev_embed *w) |
2512 | { |
2983 | { |
2513 | clear_pending (EV_A_ (W)w); |
2984 | clear_pending (EV_A_ (W)w); |
2514 | if (expect_false (!ev_is_active (w))) |
2985 | if (expect_false (!ev_is_active (w))) |
2515 | return; |
2986 | return; |
2516 | |
2987 | |
|
|
2988 | EV_FREQUENT_CHECK; |
|
|
2989 | |
2517 | ev_io_stop (EV_A_ &w->io); |
2990 | ev_io_stop (EV_A_ &w->io); |
2518 | ev_prepare_stop (EV_A_ &w->prepare); |
2991 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2992 | ev_fork_stop (EV_A_ &w->fork); |
2519 | |
2993 | |
2520 | ev_stop (EV_A_ (W)w); |
2994 | EV_FREQUENT_CHECK; |
2521 | } |
2995 | } |
2522 | #endif |
2996 | #endif |
2523 | |
2997 | |
2524 | #if EV_FORK_ENABLE |
2998 | #if EV_FORK_ENABLE |
2525 | void |
2999 | void |
2526 | ev_fork_start (EV_P_ ev_fork *w) |
3000 | ev_fork_start (EV_P_ ev_fork *w) |
2527 | { |
3001 | { |
2528 | if (expect_false (ev_is_active (w))) |
3002 | if (expect_false (ev_is_active (w))) |
2529 | return; |
3003 | return; |
|
|
3004 | |
|
|
3005 | EV_FREQUENT_CHECK; |
2530 | |
3006 | |
2531 | ev_start (EV_A_ (W)w, ++forkcnt); |
3007 | ev_start (EV_A_ (W)w, ++forkcnt); |
2532 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
3008 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2533 | forks [forkcnt - 1] = w; |
3009 | forks [forkcnt - 1] = w; |
|
|
3010 | |
|
|
3011 | EV_FREQUENT_CHECK; |
2534 | } |
3012 | } |
2535 | |
3013 | |
2536 | void |
3014 | void |
2537 | ev_fork_stop (EV_P_ ev_fork *w) |
3015 | ev_fork_stop (EV_P_ ev_fork *w) |
2538 | { |
3016 | { |
2539 | clear_pending (EV_A_ (W)w); |
3017 | clear_pending (EV_A_ (W)w); |
2540 | if (expect_false (!ev_is_active (w))) |
3018 | if (expect_false (!ev_is_active (w))) |
2541 | return; |
3019 | return; |
2542 | |
3020 | |
|
|
3021 | EV_FREQUENT_CHECK; |
|
|
3022 | |
2543 | { |
3023 | { |
2544 | int active = ev_active (w); |
3024 | int active = ev_active (w); |
2545 | |
3025 | |
2546 | forks [active - 1] = forks [--forkcnt]; |
3026 | forks [active - 1] = forks [--forkcnt]; |
2547 | ev_active (forks [active - 1]) = active; |
3027 | ev_active (forks [active - 1]) = active; |
2548 | } |
3028 | } |
2549 | |
3029 | |
2550 | ev_stop (EV_A_ (W)w); |
3030 | ev_stop (EV_A_ (W)w); |
|
|
3031 | |
|
|
3032 | EV_FREQUENT_CHECK; |
2551 | } |
3033 | } |
2552 | #endif |
3034 | #endif |
2553 | |
3035 | |
2554 | #if EV_ASYNC_ENABLE |
3036 | #if EV_ASYNC_ENABLE |
2555 | void |
3037 | void |
… | |
… | |
2557 | { |
3039 | { |
2558 | if (expect_false (ev_is_active (w))) |
3040 | if (expect_false (ev_is_active (w))) |
2559 | return; |
3041 | return; |
2560 | |
3042 | |
2561 | evpipe_init (EV_A); |
3043 | evpipe_init (EV_A); |
|
|
3044 | |
|
|
3045 | EV_FREQUENT_CHECK; |
2562 | |
3046 | |
2563 | ev_start (EV_A_ (W)w, ++asynccnt); |
3047 | ev_start (EV_A_ (W)w, ++asynccnt); |
2564 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
3048 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2565 | asyncs [asynccnt - 1] = w; |
3049 | asyncs [asynccnt - 1] = w; |
|
|
3050 | |
|
|
3051 | EV_FREQUENT_CHECK; |
2566 | } |
3052 | } |
2567 | |
3053 | |
2568 | void |
3054 | void |
2569 | ev_async_stop (EV_P_ ev_async *w) |
3055 | ev_async_stop (EV_P_ ev_async *w) |
2570 | { |
3056 | { |
2571 | clear_pending (EV_A_ (W)w); |
3057 | clear_pending (EV_A_ (W)w); |
2572 | if (expect_false (!ev_is_active (w))) |
3058 | if (expect_false (!ev_is_active (w))) |
2573 | return; |
3059 | return; |
2574 | |
3060 | |
|
|
3061 | EV_FREQUENT_CHECK; |
|
|
3062 | |
2575 | { |
3063 | { |
2576 | int active = ev_active (w); |
3064 | int active = ev_active (w); |
2577 | |
3065 | |
2578 | asyncs [active - 1] = asyncs [--asynccnt]; |
3066 | asyncs [active - 1] = asyncs [--asynccnt]; |
2579 | ev_active (asyncs [active - 1]) = active; |
3067 | ev_active (asyncs [active - 1]) = active; |
2580 | } |
3068 | } |
2581 | |
3069 | |
2582 | ev_stop (EV_A_ (W)w); |
3070 | ev_stop (EV_A_ (W)w); |
|
|
3071 | |
|
|
3072 | EV_FREQUENT_CHECK; |
2583 | } |
3073 | } |
2584 | |
3074 | |
2585 | void |
3075 | void |
2586 | ev_async_send (EV_P_ ev_async *w) |
3076 | ev_async_send (EV_P_ ev_async *w) |
2587 | { |
3077 | { |
… | |
… | |
2604 | once_cb (EV_P_ struct ev_once *once, int revents) |
3094 | once_cb (EV_P_ struct ev_once *once, int revents) |
2605 | { |
3095 | { |
2606 | void (*cb)(int revents, void *arg) = once->cb; |
3096 | void (*cb)(int revents, void *arg) = once->cb; |
2607 | void *arg = once->arg; |
3097 | void *arg = once->arg; |
2608 | |
3098 | |
2609 | ev_io_stop (EV_A_ &once->io); |
3099 | ev_io_stop (EV_A_ &once->io); |
2610 | ev_timer_stop (EV_A_ &once->to); |
3100 | ev_timer_stop (EV_A_ &once->to); |
2611 | ev_free (once); |
3101 | ev_free (once); |
2612 | |
3102 | |
2613 | cb (revents, arg); |
3103 | cb (revents, arg); |
2614 | } |
3104 | } |
2615 | |
3105 | |
2616 | static void |
3106 | static void |
2617 | once_cb_io (EV_P_ ev_io *w, int revents) |
3107 | once_cb_io (EV_P_ ev_io *w, int revents) |
2618 | { |
3108 | { |
2619 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3109 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3110 | |
|
|
3111 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2620 | } |
3112 | } |
2621 | |
3113 | |
2622 | static void |
3114 | static void |
2623 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3115 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2624 | { |
3116 | { |
2625 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3117 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3118 | |
|
|
3119 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2626 | } |
3120 | } |
2627 | |
3121 | |
2628 | void |
3122 | void |
2629 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3123 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2630 | { |
3124 | { |