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 |
… | |
… | |
236 | # define EV_USE_EVENTFD 0 |
265 | # define EV_USE_EVENTFD 0 |
237 | # endif |
266 | # endif |
238 | #endif |
267 | #endif |
239 | |
268 | |
240 | #if 0 /* debugging */ |
269 | #if 0 /* debugging */ |
241 | # define EV_VERIFY 1 |
270 | # define EV_VERIFY 3 |
242 | # define EV_USE_4HEAP 1 |
271 | # define EV_USE_4HEAP 1 |
243 | # define EV_HEAP_CACHE_AT 1 |
272 | # define EV_HEAP_CACHE_AT 1 |
|
|
273 | #endif |
|
|
274 | |
|
|
275 | #ifndef EV_VERIFY |
|
|
276 | # define EV_VERIFY !EV_MINIMAL |
244 | #endif |
277 | #endif |
245 | |
278 | |
246 | #ifndef EV_USE_4HEAP |
279 | #ifndef EV_USE_4HEAP |
247 | # define EV_USE_4HEAP !EV_MINIMAL |
280 | # define EV_USE_4HEAP !EV_MINIMAL |
248 | #endif |
281 | #endif |
… | |
… | |
273 | # include <sys/select.h> |
306 | # include <sys/select.h> |
274 | # endif |
307 | # endif |
275 | #endif |
308 | #endif |
276 | |
309 | |
277 | #if EV_USE_INOTIFY |
310 | #if EV_USE_INOTIFY |
|
|
311 | # include <sys/utsname.h> |
|
|
312 | # include <sys/statfs.h> |
278 | # 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 |
279 | #endif |
319 | #endif |
280 | |
320 | |
281 | #if EV_SELECT_IS_WINSOCKET |
321 | #if EV_SELECT_IS_WINSOCKET |
282 | # 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 |
283 | #endif |
332 | #endif |
284 | |
333 | |
285 | #if EV_USE_EVENTFD |
334 | #if EV_USE_EVENTFD |
286 | /* 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 */ |
287 | # include <stdint.h> |
336 | # include <stdint.h> |
… | |
… | |
294 | # endif |
343 | # endif |
295 | #endif |
344 | #endif |
296 | |
345 | |
297 | /**/ |
346 | /**/ |
298 | |
347 | |
299 | /* EV_VERIFY: enable internal consistency checks |
|
|
300 | * undefined or zero: no verification done or available |
|
|
301 | * 1 or higher: ev_loop_verify function available |
|
|
302 | * 2 or higher: ev_loop_verify is called frequently |
|
|
303 | */ |
|
|
304 | #if EV_VERIFY >= 1 |
348 | #if EV_VERIFY >= 3 |
305 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
349 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
306 | #else |
350 | #else |
307 | # define EV_FREQUENT_CHECK do { } while (0) |
351 | # define EV_FREQUENT_CHECK do { } while (0) |
308 | #endif |
352 | #endif |
309 | |
353 | |
… | |
… | |
353 | typedef ev_watcher_time *WT; |
397 | typedef ev_watcher_time *WT; |
354 | |
398 | |
355 | #define ev_active(w) ((W)(w))->active |
399 | #define ev_active(w) ((W)(w))->active |
356 | #define ev_at(w) ((WT)(w))->at |
400 | #define ev_at(w) ((WT)(w))->at |
357 | |
401 | |
358 | #if EV_USE_MONOTONIC |
402 | #if EV_USE_REALTIME |
359 | /* 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 */ |
360 | /* 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 |
361 | 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? */ |
362 | #endif |
410 | #endif |
363 | |
411 | |
364 | #ifdef _WIN32 |
412 | #ifdef _WIN32 |
365 | # include "ev_win32.c" |
413 | # include "ev_win32.c" |
… | |
… | |
374 | { |
422 | { |
375 | syserr_cb = cb; |
423 | syserr_cb = cb; |
376 | } |
424 | } |
377 | |
425 | |
378 | static void noinline |
426 | static void noinline |
379 | syserr (const char *msg) |
427 | ev_syserr (const char *msg) |
380 | { |
428 | { |
381 | if (!msg) |
429 | if (!msg) |
382 | msg = "(libev) system error"; |
430 | msg = "(libev) system error"; |
383 | |
431 | |
384 | if (syserr_cb) |
432 | if (syserr_cb) |
… | |
… | |
435 | typedef struct |
483 | typedef struct |
436 | { |
484 | { |
437 | WL head; |
485 | WL head; |
438 | unsigned char events; |
486 | unsigned char events; |
439 | 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 |
440 | #if EV_SELECT_IS_WINSOCKET |
493 | #if EV_SELECT_IS_WINSOCKET |
441 | SOCKET handle; |
494 | SOCKET handle; |
442 | #endif |
495 | #endif |
443 | } ANFD; |
496 | } ANFD; |
444 | |
497 | |
… | |
… | |
504 | |
557 | |
505 | ev_tstamp |
558 | ev_tstamp |
506 | ev_time (void) |
559 | ev_time (void) |
507 | { |
560 | { |
508 | #if EV_USE_REALTIME |
561 | #if EV_USE_REALTIME |
|
|
562 | if (expect_true (have_realtime)) |
|
|
563 | { |
509 | struct timespec ts; |
564 | struct timespec ts; |
510 | clock_gettime (CLOCK_REALTIME, &ts); |
565 | clock_gettime (CLOCK_REALTIME, &ts); |
511 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
566 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
512 | #else |
567 | } |
|
|
568 | #endif |
|
|
569 | |
513 | struct timeval tv; |
570 | struct timeval tv; |
514 | gettimeofday (&tv, 0); |
571 | gettimeofday (&tv, 0); |
515 | return tv.tv_sec + tv.tv_usec * 1e-6; |
572 | return tv.tv_sec + tv.tv_usec * 1e-6; |
516 | #endif |
|
|
517 | } |
573 | } |
518 | |
574 | |
519 | ev_tstamp inline_size |
575 | ev_tstamp inline_size |
520 | get_clock (void) |
576 | get_clock (void) |
521 | { |
577 | { |
… | |
… | |
557 | struct timeval tv; |
613 | struct timeval tv; |
558 | |
614 | |
559 | tv.tv_sec = (time_t)delay; |
615 | tv.tv_sec = (time_t)delay; |
560 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
616 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
561 | |
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 */ |
562 | select (0, 0, 0, 0, &tv); |
621 | select (0, 0, 0, 0, &tv); |
563 | #endif |
622 | #endif |
564 | } |
623 | } |
565 | } |
624 | } |
566 | |
625 | |
… | |
… | |
593 | array_realloc (int elem, void *base, int *cur, int cnt) |
652 | array_realloc (int elem, void *base, int *cur, int cnt) |
594 | { |
653 | { |
595 | *cur = array_nextsize (elem, *cur, cnt); |
654 | *cur = array_nextsize (elem, *cur, cnt); |
596 | return ev_realloc (base, elem * *cur); |
655 | return ev_realloc (base, elem * *cur); |
597 | } |
656 | } |
|
|
657 | |
|
|
658 | #define array_init_zero(base,count) \ |
|
|
659 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
598 | |
660 | |
599 | #define array_needsize(type,base,cur,cnt,init) \ |
661 | #define array_needsize(type,base,cur,cnt,init) \ |
600 | if (expect_false ((cnt) > (cur))) \ |
662 | if (expect_false ((cnt) > (cur))) \ |
601 | { \ |
663 | { \ |
602 | int ocur_ = (cur); \ |
664 | int ocur_ = (cur); \ |
… | |
… | |
614 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
676 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
615 | } |
677 | } |
616 | #endif |
678 | #endif |
617 | |
679 | |
618 | #define array_free(stem, idx) \ |
680 | #define array_free(stem, idx) \ |
619 | 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 |
620 | |
682 | |
621 | /*****************************************************************************/ |
683 | /*****************************************************************************/ |
622 | |
684 | |
623 | void noinline |
685 | void noinline |
624 | ev_feed_event (EV_P_ void *w, int revents) |
686 | ev_feed_event (EV_P_ void *w, int revents) |
… | |
… | |
646 | ev_feed_event (EV_A_ events [i], type); |
708 | ev_feed_event (EV_A_ events [i], type); |
647 | } |
709 | } |
648 | |
710 | |
649 | /*****************************************************************************/ |
711 | /*****************************************************************************/ |
650 | |
712 | |
651 | void inline_size |
|
|
652 | anfds_init (ANFD *base, int count) |
|
|
653 | { |
|
|
654 | while (count--) |
|
|
655 | { |
|
|
656 | base->head = 0; |
|
|
657 | base->events = EV_NONE; |
|
|
658 | base->reify = 0; |
|
|
659 | |
|
|
660 | ++base; |
|
|
661 | } |
|
|
662 | } |
|
|
663 | |
|
|
664 | void inline_speed |
713 | void inline_speed |
665 | fd_event (EV_P_ int fd, int revents) |
714 | fd_event (EV_P_ int fd, int revents) |
666 | { |
715 | { |
667 | ANFD *anfd = anfds + fd; |
716 | ANFD *anfd = anfds + fd; |
668 | ev_io *w; |
717 | ev_io *w; |
… | |
… | |
700 | events |= (unsigned char)w->events; |
749 | events |= (unsigned char)w->events; |
701 | |
750 | |
702 | #if EV_SELECT_IS_WINSOCKET |
751 | #if EV_SELECT_IS_WINSOCKET |
703 | if (events) |
752 | if (events) |
704 | { |
753 | { |
705 | unsigned long argp; |
754 | unsigned long arg; |
706 | #ifdef EV_FD_TO_WIN32_HANDLE |
755 | #ifdef EV_FD_TO_WIN32_HANDLE |
707 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
756 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
708 | #else |
757 | #else |
709 | anfd->handle = _get_osfhandle (fd); |
758 | anfd->handle = _get_osfhandle (fd); |
710 | #endif |
759 | #endif |
711 | 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)); |
712 | } |
761 | } |
713 | #endif |
762 | #endif |
714 | |
763 | |
715 | { |
764 | { |
716 | unsigned char o_events = anfd->events; |
765 | unsigned char o_events = anfd->events; |
717 | unsigned char o_reify = anfd->reify; |
766 | unsigned char o_reify = anfd->reify; |
718 | |
767 | |
719 | anfd->reify = 0; |
768 | anfd->reify = 0; |
720 | anfd->events = events; |
769 | anfd->events = events; |
721 | |
770 | |
722 | if (o_events != events || o_reify & EV_IOFDSET) |
771 | if (o_events != events || o_reify & EV__IOFDSET) |
723 | backend_modify (EV_A_ fd, o_events, events); |
772 | backend_modify (EV_A_ fd, o_events, events); |
724 | } |
773 | } |
725 | } |
774 | } |
726 | |
775 | |
727 | fdchangecnt = 0; |
776 | fdchangecnt = 0; |
… | |
… | |
769 | { |
818 | { |
770 | int fd; |
819 | int fd; |
771 | |
820 | |
772 | for (fd = 0; fd < anfdmax; ++fd) |
821 | for (fd = 0; fd < anfdmax; ++fd) |
773 | if (anfds [fd].events) |
822 | if (anfds [fd].events) |
774 | if (!fd_valid (fd) == -1 && errno == EBADF) |
823 | if (!fd_valid (fd) && errno == EBADF) |
775 | fd_kill (EV_A_ fd); |
824 | fd_kill (EV_A_ fd); |
776 | } |
825 | } |
777 | |
826 | |
778 | /* 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 */ |
779 | static void noinline |
828 | static void noinline |
… | |
… | |
797 | |
846 | |
798 | for (fd = 0; fd < anfdmax; ++fd) |
847 | for (fd = 0; fd < anfdmax; ++fd) |
799 | if (anfds [fd].events) |
848 | if (anfds [fd].events) |
800 | { |
849 | { |
801 | anfds [fd].events = 0; |
850 | anfds [fd].events = 0; |
|
|
851 | anfds [fd].emask = 0; |
802 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
852 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
803 | } |
853 | } |
804 | } |
854 | } |
805 | |
855 | |
806 | /*****************************************************************************/ |
856 | /*****************************************************************************/ |
807 | |
857 | |
… | |
… | |
938 | /* rebuild the heap: this function is used only once and executed rarely */ |
988 | /* rebuild the heap: this function is used only once and executed rarely */ |
939 | void inline_size |
989 | void inline_size |
940 | reheap (ANHE *heap, int N) |
990 | reheap (ANHE *heap, int N) |
941 | { |
991 | { |
942 | int i; |
992 | int i; |
|
|
993 | |
943 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
994 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
944 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
995 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
945 | for (i = 0; i < N; ++i) |
996 | for (i = 0; i < N; ++i) |
946 | upheap (heap, i + HEAP0); |
997 | upheap (heap, i + HEAP0); |
947 | } |
998 | } |
948 | |
999 | |
949 | #if EV_VERIFY |
|
|
950 | static void |
|
|
951 | checkheap (ANHE *heap, int N) |
|
|
952 | { |
|
|
953 | int i; |
|
|
954 | |
|
|
955 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
956 | { |
|
|
957 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
958 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
959 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
960 | } |
|
|
961 | } |
|
|
962 | #endif |
|
|
963 | |
|
|
964 | /*****************************************************************************/ |
1000 | /*****************************************************************************/ |
965 | |
1001 | |
966 | typedef struct |
1002 | typedef struct |
967 | { |
1003 | { |
968 | WL head; |
1004 | WL head; |
… | |
… | |
972 | static ANSIG *signals; |
1008 | static ANSIG *signals; |
973 | static int signalmax; |
1009 | static int signalmax; |
974 | |
1010 | |
975 | static EV_ATOMIC_T gotsig; |
1011 | static EV_ATOMIC_T gotsig; |
976 | |
1012 | |
977 | void inline_size |
|
|
978 | signals_init (ANSIG *base, int count) |
|
|
979 | { |
|
|
980 | while (count--) |
|
|
981 | { |
|
|
982 | base->head = 0; |
|
|
983 | base->gotsig = 0; |
|
|
984 | |
|
|
985 | ++base; |
|
|
986 | } |
|
|
987 | } |
|
|
988 | |
|
|
989 | /*****************************************************************************/ |
1013 | /*****************************************************************************/ |
990 | |
1014 | |
991 | void inline_speed |
1015 | void inline_speed |
992 | fd_intern (int fd) |
1016 | fd_intern (int fd) |
993 | { |
1017 | { |
994 | #ifdef _WIN32 |
1018 | #ifdef _WIN32 |
995 | int arg = 1; |
1019 | unsigned long arg = 1; |
996 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1020 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
997 | #else |
1021 | #else |
998 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1022 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
999 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1023 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1000 | #endif |
1024 | #endif |
… | |
… | |
1014 | } |
1038 | } |
1015 | else |
1039 | else |
1016 | #endif |
1040 | #endif |
1017 | { |
1041 | { |
1018 | while (pipe (evpipe)) |
1042 | while (pipe (evpipe)) |
1019 | syserr ("(libev) error creating signal/async pipe"); |
1043 | ev_syserr ("(libev) error creating signal/async pipe"); |
1020 | |
1044 | |
1021 | fd_intern (evpipe [0]); |
1045 | fd_intern (evpipe [0]); |
1022 | fd_intern (evpipe [1]); |
1046 | fd_intern (evpipe [1]); |
1023 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1047 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1024 | } |
1048 | } |
… | |
… | |
1114 | ev_feed_signal_event (EV_P_ int signum) |
1138 | ev_feed_signal_event (EV_P_ int signum) |
1115 | { |
1139 | { |
1116 | WL w; |
1140 | WL w; |
1117 | |
1141 | |
1118 | #if EV_MULTIPLICITY |
1142 | #if EV_MULTIPLICITY |
1119 | 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)); |
1120 | #endif |
1144 | #endif |
1121 | |
1145 | |
1122 | --signum; |
1146 | --signum; |
1123 | |
1147 | |
1124 | if (signum < 0 || signum >= signalmax) |
1148 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
1253 | /* kqueue is borked on everything but netbsd apparently */ |
1277 | /* kqueue is borked on everything but netbsd apparently */ |
1254 | /* 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 */ |
1255 | flags &= ~EVBACKEND_KQUEUE; |
1279 | flags &= ~EVBACKEND_KQUEUE; |
1256 | #endif |
1280 | #endif |
1257 | #ifdef __APPLE__ |
1281 | #ifdef __APPLE__ |
1258 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1282 | /* only select works correctly on that "unix-certified" platform */ |
1259 | 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 */ |
1260 | #endif |
1285 | #endif |
1261 | |
1286 | |
1262 | return flags; |
1287 | return flags; |
1263 | } |
1288 | } |
1264 | |
1289 | |
… | |
… | |
1301 | static void noinline |
1326 | static void noinline |
1302 | loop_init (EV_P_ unsigned int flags) |
1327 | loop_init (EV_P_ unsigned int flags) |
1303 | { |
1328 | { |
1304 | if (!backend) |
1329 | if (!backend) |
1305 | { |
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 | |
1306 | #if EV_USE_MONOTONIC |
1341 | #if EV_USE_MONOTONIC |
|
|
1342 | if (!have_monotonic) |
1307 | { |
1343 | { |
1308 | struct timespec ts; |
1344 | struct timespec ts; |
|
|
1345 | |
1309 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1346 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1310 | have_monotonic = 1; |
1347 | have_monotonic = 1; |
1311 | } |
1348 | } |
1312 | #endif |
1349 | #endif |
1313 | |
1350 | |
1314 | ev_rt_now = ev_time (); |
1351 | ev_rt_now = ev_time (); |
1315 | mn_now = get_clock (); |
1352 | mn_now = get_clock (); |
1316 | now_floor = mn_now; |
1353 | now_floor = mn_now; |
… | |
… | |
1484 | |
1521 | |
1485 | postfork = 0; |
1522 | postfork = 0; |
1486 | } |
1523 | } |
1487 | |
1524 | |
1488 | #if EV_MULTIPLICITY |
1525 | #if EV_MULTIPLICITY |
|
|
1526 | |
1489 | struct ev_loop * |
1527 | struct ev_loop * |
1490 | ev_loop_new (unsigned int flags) |
1528 | ev_loop_new (unsigned int flags) |
1491 | { |
1529 | { |
1492 | 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)); |
1493 | |
1531 | |
… | |
… | |
1513 | { |
1551 | { |
1514 | postfork = 1; /* must be in line with ev_default_fork */ |
1552 | postfork = 1; /* must be in line with ev_default_fork */ |
1515 | } |
1553 | } |
1516 | |
1554 | |
1517 | #if EV_VERIFY |
1555 | #if EV_VERIFY |
1518 | static void |
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 |
1519 | array_check (W **ws, int cnt) |
1581 | array_verify (EV_P_ W *ws, int cnt) |
1520 | { |
1582 | { |
1521 | while (cnt--) |
1583 | while (cnt--) |
|
|
1584 | { |
1522 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1585 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1586 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1587 | } |
1523 | } |
1588 | } |
|
|
1589 | #endif |
1524 | |
1590 | |
1525 | static void |
1591 | void |
1526 | ev_loop_verify (EV_P) |
1592 | ev_loop_verify (EV_P) |
1527 | { |
1593 | { |
|
|
1594 | #if EV_VERIFY |
1528 | int i; |
1595 | int i; |
|
|
1596 | WL w; |
1529 | |
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); |
1530 | checkheap (timers, timercnt); |
1614 | verify_heap (EV_A_ timers, timercnt); |
|
|
1615 | |
1531 | #if EV_PERIODIC_ENABLE |
1616 | #if EV_PERIODIC_ENABLE |
|
|
1617 | assert (periodicmax >= periodiccnt); |
1532 | checkheap (periodics, periodiccnt); |
1618 | verify_heap (EV_A_ periodics, periodiccnt); |
1533 | #endif |
1619 | #endif |
1534 | |
1620 | |
|
|
1621 | for (i = NUMPRI; i--; ) |
|
|
1622 | { |
|
|
1623 | assert (pendingmax [i] >= pendingcnt [i]); |
1535 | #if EV_IDLE_ENABLE |
1624 | #if EV_IDLE_ENABLE |
1536 | for (i = NUMPRI; i--; ) |
1625 | assert (idleall >= 0); |
|
|
1626 | assert (idlemax [i] >= idlecnt [i]); |
1537 | array_check ((W **)idles [i], idlecnt [i]); |
1627 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
1538 | #endif |
1628 | #endif |
|
|
1629 | } |
|
|
1630 | |
1539 | #if EV_FORK_ENABLE |
1631 | #if EV_FORK_ENABLE |
|
|
1632 | assert (forkmax >= forkcnt); |
1540 | array_check ((W **)forks, forkcnt); |
1633 | array_verify (EV_A_ (W *)forks, forkcnt); |
1541 | #endif |
1634 | #endif |
1542 | array_check ((W **)prepares, preparecnt); |
1635 | |
1543 | array_check ((W **)checks, checkcnt); |
|
|
1544 | #if EV_ASYNC_ENABLE |
1636 | #if EV_ASYNC_ENABLE |
|
|
1637 | assert (asyncmax >= asynccnt); |
1545 | array_check ((W **)asyncs, 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) |
1546 | #endif |
1650 | # endif |
1547 | } |
|
|
1548 | #endif |
1651 | #endif |
|
|
1652 | } |
1549 | |
1653 | |
1550 | #endif |
1654 | #endif /* multiplicity */ |
1551 | |
1655 | |
1552 | #if EV_MULTIPLICITY |
1656 | #if EV_MULTIPLICITY |
1553 | struct ev_loop * |
1657 | struct ev_loop * |
1554 | ev_default_loop_init (unsigned int flags) |
1658 | ev_default_loop_init (unsigned int flags) |
1555 | #else |
1659 | #else |
… | |
… | |
1588 | { |
1692 | { |
1589 | #if EV_MULTIPLICITY |
1693 | #if EV_MULTIPLICITY |
1590 | struct ev_loop *loop = ev_default_loop_ptr; |
1694 | struct ev_loop *loop = ev_default_loop_ptr; |
1591 | #endif |
1695 | #endif |
1592 | |
1696 | |
|
|
1697 | ev_default_loop_ptr = 0; |
|
|
1698 | |
1593 | #ifndef _WIN32 |
1699 | #ifndef _WIN32 |
1594 | ev_ref (EV_A); /* child watcher */ |
1700 | ev_ref (EV_A); /* child watcher */ |
1595 | ev_signal_stop (EV_A_ &childev); |
1701 | ev_signal_stop (EV_A_ &childev); |
1596 | #endif |
1702 | #endif |
1597 | |
1703 | |
… | |
… | |
1603 | { |
1709 | { |
1604 | #if EV_MULTIPLICITY |
1710 | #if EV_MULTIPLICITY |
1605 | struct ev_loop *loop = ev_default_loop_ptr; |
1711 | struct ev_loop *loop = ev_default_loop_ptr; |
1606 | #endif |
1712 | #endif |
1607 | |
1713 | |
1608 | if (backend) |
|
|
1609 | postfork = 1; /* must be in line with ev_loop_fork */ |
1714 | postfork = 1; /* must be in line with ev_loop_fork */ |
1610 | } |
1715 | } |
1611 | |
1716 | |
1612 | /*****************************************************************************/ |
1717 | /*****************************************************************************/ |
1613 | |
1718 | |
1614 | void |
1719 | void |
… | |
… | |
1619 | |
1724 | |
1620 | void inline_speed |
1725 | void inline_speed |
1621 | call_pending (EV_P) |
1726 | call_pending (EV_P) |
1622 | { |
1727 | { |
1623 | int pri; |
1728 | int pri; |
1624 | |
|
|
1625 | EV_FREQUENT_CHECK; |
|
|
1626 | |
1729 | |
1627 | for (pri = NUMPRI; pri--; ) |
1730 | for (pri = NUMPRI; pri--; ) |
1628 | while (pendingcnt [pri]) |
1731 | while (pendingcnt [pri]) |
1629 | { |
1732 | { |
1630 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1733 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1631 | |
1734 | |
1632 | if (expect_true (p->w)) |
1735 | if (expect_true (p->w)) |
1633 | { |
1736 | { |
1634 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1737 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
1635 | |
1738 | |
1636 | p->w->pending = 0; |
1739 | p->w->pending = 0; |
1637 | EV_CB_INVOKE (p->w, p->events); |
1740 | EV_CB_INVOKE (p->w, p->events); |
|
|
1741 | EV_FREQUENT_CHECK; |
1638 | } |
1742 | } |
1639 | } |
1743 | } |
1640 | |
|
|
1641 | EV_FREQUENT_CHECK; |
|
|
1642 | } |
1744 | } |
1643 | |
1745 | |
1644 | #if EV_IDLE_ENABLE |
1746 | #if EV_IDLE_ENABLE |
1645 | void inline_size |
1747 | void inline_size |
1646 | idle_reify (EV_P) |
1748 | idle_reify (EV_P) |
… | |
… | |
1671 | |
1773 | |
1672 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1774 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1673 | { |
1775 | { |
1674 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
1776 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
1675 | |
1777 | |
1676 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1778 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
1677 | |
1779 | |
1678 | /* first reschedule or stop timer */ |
1780 | /* first reschedule or stop timer */ |
1679 | if (w->repeat) |
1781 | if (w->repeat) |
1680 | { |
1782 | { |
1681 | ev_at (w) += w->repeat; |
1783 | ev_at (w) += w->repeat; |
1682 | if (ev_at (w) < mn_now) |
1784 | if (ev_at (w) < mn_now) |
1683 | ev_at (w) = mn_now; |
1785 | ev_at (w) = mn_now; |
1684 | |
1786 | |
1685 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1787 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1686 | |
1788 | |
1687 | ANHE_at_cache (timers [HEAP0]); |
1789 | ANHE_at_cache (timers [HEAP0]); |
1688 | downheap (timers, timercnt, HEAP0); |
1790 | downheap (timers, timercnt, HEAP0); |
1689 | } |
1791 | } |
1690 | else |
1792 | else |
… | |
… | |
1698 | #if EV_PERIODIC_ENABLE |
1800 | #if EV_PERIODIC_ENABLE |
1699 | void inline_size |
1801 | void inline_size |
1700 | periodics_reify (EV_P) |
1802 | periodics_reify (EV_P) |
1701 | { |
1803 | { |
1702 | EV_FREQUENT_CHECK; |
1804 | EV_FREQUENT_CHECK; |
|
|
1805 | |
1703 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1806 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1704 | { |
1807 | { |
1705 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1808 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1706 | |
1809 | |
1707 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1810 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1708 | |
1811 | |
1709 | /* first reschedule or stop timer */ |
1812 | /* first reschedule or stop timer */ |
1710 | if (w->reschedule_cb) |
1813 | if (w->reschedule_cb) |
1711 | { |
1814 | { |
1712 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1815 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1713 | |
1816 | |
1714 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1817 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1715 | |
1818 | |
1716 | ANHE_at_cache (periodics [HEAP0]); |
1819 | ANHE_at_cache (periodics [HEAP0]); |
1717 | downheap (periodics, periodiccnt, HEAP0); |
1820 | downheap (periodics, periodiccnt, HEAP0); |
1718 | EV_FREQUENT_CHECK; |
|
|
1719 | } |
1821 | } |
1720 | else if (w->interval) |
1822 | else if (w->interval) |
1721 | { |
1823 | { |
1722 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1824 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1723 | /* if next trigger time is not sufficiently in the future, put it there */ |
1825 | /* if next trigger time is not sufficiently in the future, put it there */ |
… | |
… | |
1848 | ev_unref (EV_P) |
1950 | ev_unref (EV_P) |
1849 | { |
1951 | { |
1850 | --activecnt; |
1952 | --activecnt; |
1851 | } |
1953 | } |
1852 | |
1954 | |
|
|
1955 | void |
|
|
1956 | ev_now_update (EV_P) |
|
|
1957 | { |
|
|
1958 | time_update (EV_A_ 1e100); |
|
|
1959 | } |
|
|
1960 | |
1853 | static int loop_done; |
1961 | static int loop_done; |
1854 | |
1962 | |
1855 | void |
1963 | void |
1856 | ev_loop (EV_P_ int flags) |
1964 | ev_loop (EV_P_ int flags) |
1857 | { |
1965 | { |
… | |
… | |
1859 | |
1967 | |
1860 | 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 */ |
1861 | |
1969 | |
1862 | do |
1970 | do |
1863 | { |
1971 | { |
|
|
1972 | #if EV_VERIFY >= 2 |
|
|
1973 | ev_loop_verify (EV_A); |
|
|
1974 | #endif |
|
|
1975 | |
1864 | #ifndef _WIN32 |
1976 | #ifndef _WIN32 |
1865 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1977 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1866 | if (expect_false (getpid () != curpid)) |
1978 | if (expect_false (getpid () != curpid)) |
1867 | { |
1979 | { |
1868 | curpid = getpid (); |
1980 | curpid = getpid (); |
… | |
… | |
2061 | int fd = w->fd; |
2173 | int fd = w->fd; |
2062 | |
2174 | |
2063 | if (expect_false (ev_is_active (w))) |
2175 | if (expect_false (ev_is_active (w))) |
2064 | return; |
2176 | return; |
2065 | |
2177 | |
2066 | 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)))); |
2067 | |
2180 | |
2068 | EV_FREQUENT_CHECK; |
2181 | EV_FREQUENT_CHECK; |
2069 | |
2182 | |
2070 | ev_start (EV_A_ (W)w, 1); |
2183 | ev_start (EV_A_ (W)w, 1); |
2071 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2184 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2072 | wlist_add (&anfds[fd].head, (WL)w); |
2185 | wlist_add (&anfds[fd].head, (WL)w); |
2073 | |
2186 | |
2074 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2187 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
2075 | w->events &= ~EV_IOFDSET; |
2188 | w->events &= ~EV__IOFDSET; |
2076 | |
2189 | |
2077 | EV_FREQUENT_CHECK; |
2190 | EV_FREQUENT_CHECK; |
2078 | } |
2191 | } |
2079 | |
2192 | |
2080 | void noinline |
2193 | void noinline |
… | |
… | |
2082 | { |
2195 | { |
2083 | clear_pending (EV_A_ (W)w); |
2196 | clear_pending (EV_A_ (W)w); |
2084 | if (expect_false (!ev_is_active (w))) |
2197 | if (expect_false (!ev_is_active (w))) |
2085 | return; |
2198 | return; |
2086 | |
2199 | |
2087 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2200 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2088 | |
2201 | |
2089 | EV_FREQUENT_CHECK; |
2202 | EV_FREQUENT_CHECK; |
2090 | |
2203 | |
2091 | wlist_del (&anfds[w->fd].head, (WL)w); |
2204 | wlist_del (&anfds[w->fd].head, (WL)w); |
2092 | ev_stop (EV_A_ (W)w); |
2205 | ev_stop (EV_A_ (W)w); |
… | |
… | |
2102 | if (expect_false (ev_is_active (w))) |
2215 | if (expect_false (ev_is_active (w))) |
2103 | return; |
2216 | return; |
2104 | |
2217 | |
2105 | ev_at (w) += mn_now; |
2218 | ev_at (w) += mn_now; |
2106 | |
2219 | |
2107 | 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.)); |
2108 | |
2221 | |
2109 | EV_FREQUENT_CHECK; |
2222 | EV_FREQUENT_CHECK; |
2110 | |
2223 | |
2111 | ++timercnt; |
2224 | ++timercnt; |
2112 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
2225 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
… | |
… | |
2115 | ANHE_at_cache (timers [ev_active (w)]); |
2228 | ANHE_at_cache (timers [ev_active (w)]); |
2116 | upheap (timers, ev_active (w)); |
2229 | upheap (timers, ev_active (w)); |
2117 | |
2230 | |
2118 | EV_FREQUENT_CHECK; |
2231 | EV_FREQUENT_CHECK; |
2119 | |
2232 | |
2120 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2233 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2121 | } |
2234 | } |
2122 | |
2235 | |
2123 | void noinline |
2236 | void noinline |
2124 | ev_timer_stop (EV_P_ ev_timer *w) |
2237 | ev_timer_stop (EV_P_ ev_timer *w) |
2125 | { |
2238 | { |
… | |
… | |
2130 | EV_FREQUENT_CHECK; |
2243 | EV_FREQUENT_CHECK; |
2131 | |
2244 | |
2132 | { |
2245 | { |
2133 | int active = ev_active (w); |
2246 | int active = ev_active (w); |
2134 | |
2247 | |
2135 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2248 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2136 | |
2249 | |
2137 | --timercnt; |
2250 | --timercnt; |
2138 | |
2251 | |
2139 | if (expect_true (active < timercnt + HEAP0)) |
2252 | if (expect_true (active < timercnt + HEAP0)) |
2140 | { |
2253 | { |
… | |
… | |
2184 | |
2297 | |
2185 | if (w->reschedule_cb) |
2298 | if (w->reschedule_cb) |
2186 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2299 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2187 | else if (w->interval) |
2300 | else if (w->interval) |
2188 | { |
2301 | { |
2189 | 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.)); |
2190 | /* 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 */ |
2191 | 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; |
2192 | } |
2305 | } |
2193 | else |
2306 | else |
2194 | ev_at (w) = w->offset; |
2307 | ev_at (w) = w->offset; |
… | |
… | |
2202 | ANHE_at_cache (periodics [ev_active (w)]); |
2315 | ANHE_at_cache (periodics [ev_active (w)]); |
2203 | upheap (periodics, ev_active (w)); |
2316 | upheap (periodics, ev_active (w)); |
2204 | |
2317 | |
2205 | EV_FREQUENT_CHECK; |
2318 | EV_FREQUENT_CHECK; |
2206 | |
2319 | |
2207 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2320 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2208 | } |
2321 | } |
2209 | |
2322 | |
2210 | void noinline |
2323 | void noinline |
2211 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2324 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2212 | { |
2325 | { |
… | |
… | |
2217 | EV_FREQUENT_CHECK; |
2330 | EV_FREQUENT_CHECK; |
2218 | |
2331 | |
2219 | { |
2332 | { |
2220 | int active = ev_active (w); |
2333 | int active = ev_active (w); |
2221 | |
2334 | |
2222 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2335 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2223 | |
2336 | |
2224 | --periodiccnt; |
2337 | --periodiccnt; |
2225 | |
2338 | |
2226 | if (expect_true (active < periodiccnt + HEAP0)) |
2339 | if (expect_true (active < periodiccnt + HEAP0)) |
2227 | { |
2340 | { |
… | |
… | |
2250 | |
2363 | |
2251 | void noinline |
2364 | void noinline |
2252 | ev_signal_start (EV_P_ ev_signal *w) |
2365 | ev_signal_start (EV_P_ ev_signal *w) |
2253 | { |
2366 | { |
2254 | #if EV_MULTIPLICITY |
2367 | #if EV_MULTIPLICITY |
2255 | 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)); |
2256 | #endif |
2369 | #endif |
2257 | if (expect_false (ev_is_active (w))) |
2370 | if (expect_false (ev_is_active (w))) |
2258 | return; |
2371 | return; |
2259 | |
2372 | |
2260 | 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)); |
2261 | |
2374 | |
2262 | evpipe_init (EV_A); |
2375 | evpipe_init (EV_A); |
2263 | |
2376 | |
2264 | EV_FREQUENT_CHECK; |
2377 | EV_FREQUENT_CHECK; |
2265 | |
2378 | |
… | |
… | |
2268 | sigset_t full, prev; |
2381 | sigset_t full, prev; |
2269 | sigfillset (&full); |
2382 | sigfillset (&full); |
2270 | sigprocmask (SIG_SETMASK, &full, &prev); |
2383 | sigprocmask (SIG_SETMASK, &full, &prev); |
2271 | #endif |
2384 | #endif |
2272 | |
2385 | |
2273 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2386 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2274 | |
2387 | |
2275 | #ifndef _WIN32 |
2388 | #ifndef _WIN32 |
2276 | sigprocmask (SIG_SETMASK, &prev, 0); |
2389 | sigprocmask (SIG_SETMASK, &prev, 0); |
2277 | #endif |
2390 | #endif |
2278 | } |
2391 | } |
… | |
… | |
2316 | |
2429 | |
2317 | void |
2430 | void |
2318 | ev_child_start (EV_P_ ev_child *w) |
2431 | ev_child_start (EV_P_ ev_child *w) |
2319 | { |
2432 | { |
2320 | #if EV_MULTIPLICITY |
2433 | #if EV_MULTIPLICITY |
2321 | 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)); |
2322 | #endif |
2435 | #endif |
2323 | if (expect_false (ev_is_active (w))) |
2436 | if (expect_false (ev_is_active (w))) |
2324 | return; |
2437 | return; |
2325 | |
2438 | |
2326 | EV_FREQUENT_CHECK; |
2439 | EV_FREQUENT_CHECK; |
… | |
… | |
2351 | # ifdef _WIN32 |
2464 | # ifdef _WIN32 |
2352 | # undef lstat |
2465 | # undef lstat |
2353 | # define lstat(a,b) _stati64 (a,b) |
2466 | # define lstat(a,b) _stati64 (a,b) |
2354 | # endif |
2467 | # endif |
2355 | |
2468 | |
2356 | #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 */ |
2357 | #define MIN_STAT_INTERVAL 0.1074891 |
2471 | #define MIN_STAT_INTERVAL 0.1074891 |
2358 | |
2472 | |
2359 | 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); |
2360 | |
2474 | |
2361 | #if EV_USE_INOTIFY |
2475 | #if EV_USE_INOTIFY |
2362 | # define EV_INOTIFY_BUFSIZE 8192 |
2476 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2366 | { |
2480 | { |
2367 | 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); |
2368 | |
2482 | |
2369 | if (w->wd < 0) |
2483 | if (w->wd < 0) |
2370 | { |
2484 | { |
|
|
2485 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2371 | 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 */ |
2372 | |
2487 | |
2373 | /* monitor some parent directory for speedup hints */ |
2488 | /* monitor some parent directory for speedup hints */ |
2374 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
2489 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2375 | /* but an efficiency issue only */ |
2490 | /* but an efficiency issue only */ |
2376 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2491 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2377 | { |
2492 | { |
2378 | char path [4096]; |
2493 | char path [4096]; |
2379 | strcpy (path, w->path); |
2494 | strcpy (path, w->path); |
… | |
… | |
2383 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2498 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2384 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2499 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2385 | |
2500 | |
2386 | char *pend = strrchr (path, '/'); |
2501 | char *pend = strrchr (path, '/'); |
2387 | |
2502 | |
2388 | if (!pend) |
2503 | if (!pend || pend == path) |
2389 | break; /* whoops, no '/', complain to your admin */ |
2504 | break; |
2390 | |
2505 | |
2391 | *pend = 0; |
2506 | *pend = 0; |
2392 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2507 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2393 | } |
2508 | } |
2394 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2509 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2395 | } |
2510 | } |
2396 | } |
2511 | } |
2397 | else |
|
|
2398 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2399 | |
2512 | |
2400 | if (w->wd >= 0) |
2513 | if (w->wd >= 0) |
|
|
2514 | { |
2401 | 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 | } |
2402 | } |
2534 | } |
2403 | |
2535 | |
2404 | static void noinline |
2536 | static void noinline |
2405 | infy_del (EV_P_ ev_stat *w) |
2537 | infy_del (EV_P_ ev_stat *w) |
2406 | { |
2538 | { |
… | |
… | |
2420 | |
2552 | |
2421 | static void noinline |
2553 | static void noinline |
2422 | 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) |
2423 | { |
2555 | { |
2424 | if (slot < 0) |
2556 | if (slot < 0) |
2425 | /* overflow, need to check for all hahs slots */ |
2557 | /* overflow, need to check for all hash slots */ |
2426 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2558 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2427 | infy_wd (EV_A_ slot, wd, ev); |
2559 | infy_wd (EV_A_ slot, wd, ev); |
2428 | else |
2560 | else |
2429 | { |
2561 | { |
2430 | WL w_; |
2562 | WL w_; |
… | |
… | |
2436 | |
2568 | |
2437 | if (w->wd == wd || wd == -1) |
2569 | if (w->wd == wd || wd == -1) |
2438 | { |
2570 | { |
2439 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2571 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2440 | { |
2572 | { |
|
|
2573 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2441 | w->wd = -1; |
2574 | w->wd = -1; |
2442 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2575 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2443 | } |
2576 | } |
2444 | |
2577 | |
2445 | stat_timer_cb (EV_A_ &w->timer, 0); |
2578 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2459 | 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) |
2460 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2593 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2461 | } |
2594 | } |
2462 | |
2595 | |
2463 | 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 |
2464 | infy_init (EV_P) |
2620 | infy_init (EV_P) |
2465 | { |
2621 | { |
2466 | if (fs_fd != -2) |
2622 | if (fs_fd != -2) |
2467 | return; |
2623 | return; |
|
|
2624 | |
|
|
2625 | fs_fd = -1; |
|
|
2626 | |
|
|
2627 | check_2625 (EV_A); |
2468 | |
2628 | |
2469 | fs_fd = inotify_init (); |
2629 | fs_fd = inotify_init (); |
2470 | |
2630 | |
2471 | if (fs_fd >= 0) |
2631 | if (fs_fd >= 0) |
2472 | { |
2632 | { |
… | |
… | |
2500 | w->wd = -1; |
2660 | w->wd = -1; |
2501 | |
2661 | |
2502 | if (fs_fd >= 0) |
2662 | if (fs_fd >= 0) |
2503 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2663 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2504 | else |
2664 | else |
2505 | ev_timer_start (EV_A_ &w->timer); |
2665 | ev_timer_again (EV_A_ &w->timer); |
2506 | } |
2666 | } |
2507 | |
|
|
2508 | } |
2667 | } |
2509 | } |
2668 | } |
2510 | |
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) |
2511 | #endif |
2676 | #endif |
2512 | |
2677 | |
2513 | void |
2678 | void |
2514 | ev_stat_stat (EV_P_ ev_stat *w) |
2679 | ev_stat_stat (EV_P_ ev_stat *w) |
2515 | { |
2680 | { |
… | |
… | |
2542 | || w->prev.st_atime != w->attr.st_atime |
2707 | || w->prev.st_atime != w->attr.st_atime |
2543 | || w->prev.st_mtime != w->attr.st_mtime |
2708 | || w->prev.st_mtime != w->attr.st_mtime |
2544 | || w->prev.st_ctime != w->attr.st_ctime |
2709 | || w->prev.st_ctime != w->attr.st_ctime |
2545 | ) { |
2710 | ) { |
2546 | #if EV_USE_INOTIFY |
2711 | #if EV_USE_INOTIFY |
|
|
2712 | if (fs_fd >= 0) |
|
|
2713 | { |
2547 | infy_del (EV_A_ w); |
2714 | infy_del (EV_A_ w); |
2548 | infy_add (EV_A_ w); |
2715 | infy_add (EV_A_ w); |
2549 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2716 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2717 | } |
2550 | #endif |
2718 | #endif |
2551 | |
2719 | |
2552 | ev_feed_event (EV_A_ w, EV_STAT); |
2720 | ev_feed_event (EV_A_ w, EV_STAT); |
2553 | } |
2721 | } |
2554 | } |
2722 | } |
… | |
… | |
2557 | ev_stat_start (EV_P_ ev_stat *w) |
2725 | ev_stat_start (EV_P_ ev_stat *w) |
2558 | { |
2726 | { |
2559 | if (expect_false (ev_is_active (w))) |
2727 | if (expect_false (ev_is_active (w))) |
2560 | return; |
2728 | return; |
2561 | |
2729 | |
2562 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2563 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2564 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2565 | |
|
|
2566 | ev_stat_stat (EV_A_ w); |
2730 | ev_stat_stat (EV_A_ w); |
2567 | |
2731 | |
|
|
2732 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2568 | if (w->interval < MIN_STAT_INTERVAL) |
2733 | w->interval = MIN_STAT_INTERVAL; |
2569 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2570 | |
2734 | |
2571 | 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); |
2572 | ev_set_priority (&w->timer, ev_priority (w)); |
2736 | ev_set_priority (&w->timer, ev_priority (w)); |
2573 | |
2737 | |
2574 | #if EV_USE_INOTIFY |
2738 | #if EV_USE_INOTIFY |
2575 | infy_init (EV_A); |
2739 | infy_init (EV_A); |
2576 | |
2740 | |
2577 | if (fs_fd >= 0) |
2741 | if (fs_fd >= 0) |
2578 | infy_add (EV_A_ w); |
2742 | infy_add (EV_A_ w); |
2579 | else |
2743 | else |
2580 | #endif |
2744 | #endif |
2581 | ev_timer_start (EV_A_ &w->timer); |
2745 | ev_timer_again (EV_A_ &w->timer); |
2582 | |
2746 | |
2583 | ev_start (EV_A_ (W)w, 1); |
2747 | ev_start (EV_A_ (W)w, 1); |
2584 | |
2748 | |
2585 | EV_FREQUENT_CHECK; |
2749 | EV_FREQUENT_CHECK; |
2586 | } |
2750 | } |
… | |
… | |
2756 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2920 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2757 | } |
2921 | } |
2758 | } |
2922 | } |
2759 | } |
2923 | } |
2760 | |
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 | |
2761 | #if 0 |
2942 | #if 0 |
2762 | static void |
2943 | static void |
2763 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2944 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2764 | { |
2945 | { |
2765 | ev_idle_stop (EV_A_ idle); |
2946 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2772 | if (expect_false (ev_is_active (w))) |
2953 | if (expect_false (ev_is_active (w))) |
2773 | return; |
2954 | return; |
2774 | |
2955 | |
2775 | { |
2956 | { |
2776 | struct ev_loop *loop = w->other; |
2957 | struct ev_loop *loop = w->other; |
2777 | 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 ())); |
2778 | 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); |
2779 | } |
2960 | } |
2780 | |
2961 | |
2781 | EV_FREQUENT_CHECK; |
2962 | EV_FREQUENT_CHECK; |
2782 | |
2963 | |
… | |
… | |
2785 | |
2966 | |
2786 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2967 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2787 | ev_set_priority (&w->prepare, EV_MINPRI); |
2968 | ev_set_priority (&w->prepare, EV_MINPRI); |
2788 | ev_prepare_start (EV_A_ &w->prepare); |
2969 | ev_prepare_start (EV_A_ &w->prepare); |
2789 | |
2970 | |
|
|
2971 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2972 | ev_fork_start (EV_A_ &w->fork); |
|
|
2973 | |
2790 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2974 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2791 | |
2975 | |
2792 | ev_start (EV_A_ (W)w, 1); |
2976 | ev_start (EV_A_ (W)w, 1); |
2793 | |
2977 | |
2794 | EV_FREQUENT_CHECK; |
2978 | EV_FREQUENT_CHECK; |
… | |
… | |
2801 | if (expect_false (!ev_is_active (w))) |
2985 | if (expect_false (!ev_is_active (w))) |
2802 | return; |
2986 | return; |
2803 | |
2987 | |
2804 | EV_FREQUENT_CHECK; |
2988 | EV_FREQUENT_CHECK; |
2805 | |
2989 | |
2806 | ev_io_stop (EV_A_ &w->io); |
2990 | ev_io_stop (EV_A_ &w->io); |
2807 | ev_prepare_stop (EV_A_ &w->prepare); |
2991 | ev_prepare_stop (EV_A_ &w->prepare); |
2808 | |
2992 | ev_fork_stop (EV_A_ &w->fork); |
2809 | ev_stop (EV_A_ (W)w); |
|
|
2810 | |
2993 | |
2811 | EV_FREQUENT_CHECK; |
2994 | EV_FREQUENT_CHECK; |
2812 | } |
2995 | } |
2813 | #endif |
2996 | #endif |
2814 | |
2997 | |
… | |
… | |
2911 | once_cb (EV_P_ struct ev_once *once, int revents) |
3094 | once_cb (EV_P_ struct ev_once *once, int revents) |
2912 | { |
3095 | { |
2913 | void (*cb)(int revents, void *arg) = once->cb; |
3096 | void (*cb)(int revents, void *arg) = once->cb; |
2914 | void *arg = once->arg; |
3097 | void *arg = once->arg; |
2915 | |
3098 | |
2916 | ev_io_stop (EV_A_ &once->io); |
3099 | ev_io_stop (EV_A_ &once->io); |
2917 | ev_timer_stop (EV_A_ &once->to); |
3100 | ev_timer_stop (EV_A_ &once->to); |
2918 | ev_free (once); |
3101 | ev_free (once); |
2919 | |
3102 | |
2920 | cb (revents, arg); |
3103 | cb (revents, arg); |
2921 | } |
3104 | } |
2922 | |
3105 | |
2923 | static void |
3106 | static void |
2924 | once_cb_io (EV_P_ ev_io *w, int revents) |
3107 | once_cb_io (EV_P_ ev_io *w, int revents) |
2925 | { |
3108 | { |
2926 | 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)); |
2927 | } |
3112 | } |
2928 | |
3113 | |
2929 | static void |
3114 | static void |
2930 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3115 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2931 | { |
3116 | { |
2932 | 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)); |
2933 | } |
3120 | } |
2934 | |
3121 | |
2935 | void |
3122 | void |
2936 | 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) |
2937 | { |
3124 | { |
… | |
… | |
2959 | ev_timer_set (&once->to, timeout, 0.); |
3146 | ev_timer_set (&once->to, timeout, 0.); |
2960 | ev_timer_start (EV_A_ &once->to); |
3147 | ev_timer_start (EV_A_ &once->to); |
2961 | } |
3148 | } |
2962 | } |
3149 | } |
2963 | |
3150 | |
|
|
3151 | /*****************************************************************************/ |
|
|
3152 | |
|
|
3153 | #if 0 |
|
|
3154 | void |
|
|
3155 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3156 | { |
|
|
3157 | int i, j; |
|
|
3158 | ev_watcher_list *wl, *wn; |
|
|
3159 | |
|
|
3160 | if (types & (EV_IO | EV_EMBED)) |
|
|
3161 | for (i = 0; i < anfdmax; ++i) |
|
|
3162 | for (wl = anfds [i].head; wl; ) |
|
|
3163 | { |
|
|
3164 | wn = wl->next; |
|
|
3165 | |
|
|
3166 | #if EV_EMBED_ENABLE |
|
|
3167 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3168 | { |
|
|
3169 | if (types & EV_EMBED) |
|
|
3170 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3171 | } |
|
|
3172 | else |
|
|
3173 | #endif |
|
|
3174 | #if EV_USE_INOTIFY |
|
|
3175 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3176 | ; |
|
|
3177 | else |
|
|
3178 | #endif |
|
|
3179 | if ((ev_io *)wl != &pipeev) |
|
|
3180 | if (types & EV_IO) |
|
|
3181 | cb (EV_A_ EV_IO, wl); |
|
|
3182 | |
|
|
3183 | wl = wn; |
|
|
3184 | } |
|
|
3185 | |
|
|
3186 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3187 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3188 | #if EV_STAT_ENABLE |
|
|
3189 | /*TODO: timer is not always active*/ |
|
|
3190 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3191 | { |
|
|
3192 | if (types & EV_STAT) |
|
|
3193 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3194 | } |
|
|
3195 | else |
|
|
3196 | #endif |
|
|
3197 | if (types & EV_TIMER) |
|
|
3198 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3199 | |
|
|
3200 | #if EV_PERIODIC_ENABLE |
|
|
3201 | if (types & EV_PERIODIC) |
|
|
3202 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3203 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3204 | #endif |
|
|
3205 | |
|
|
3206 | #if EV_IDLE_ENABLE |
|
|
3207 | if (types & EV_IDLE) |
|
|
3208 | for (j = NUMPRI; i--; ) |
|
|
3209 | for (i = idlecnt [j]; i--; ) |
|
|
3210 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3211 | #endif |
|
|
3212 | |
|
|
3213 | #if EV_FORK_ENABLE |
|
|
3214 | if (types & EV_FORK) |
|
|
3215 | for (i = forkcnt; i--; ) |
|
|
3216 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3217 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3218 | #endif |
|
|
3219 | |
|
|
3220 | #if EV_ASYNC_ENABLE |
|
|
3221 | if (types & EV_ASYNC) |
|
|
3222 | for (i = asynccnt; i--; ) |
|
|
3223 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3224 | #endif |
|
|
3225 | |
|
|
3226 | if (types & EV_PREPARE) |
|
|
3227 | for (i = preparecnt; i--; ) |
|
|
3228 | #if EV_EMBED_ENABLE |
|
|
3229 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3230 | #endif |
|
|
3231 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3232 | |
|
|
3233 | if (types & EV_CHECK) |
|
|
3234 | for (i = checkcnt; i--; ) |
|
|
3235 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3236 | |
|
|
3237 | if (types & EV_SIGNAL) |
|
|
3238 | for (i = 0; i < signalmax; ++i) |
|
|
3239 | for (wl = signals [i].head; wl; ) |
|
|
3240 | { |
|
|
3241 | wn = wl->next; |
|
|
3242 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3243 | wl = wn; |
|
|
3244 | } |
|
|
3245 | |
|
|
3246 | if (types & EV_CHILD) |
|
|
3247 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3248 | for (wl = childs [i]; wl; ) |
|
|
3249 | { |
|
|
3250 | wn = wl->next; |
|
|
3251 | cb (EV_A_ EV_CHILD, wl); |
|
|
3252 | wl = wn; |
|
|
3253 | } |
|
|
3254 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3255 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3256 | } |
|
|
3257 | #endif |
|
|
3258 | |
2964 | #if EV_MULTIPLICITY |
3259 | #if EV_MULTIPLICITY |
2965 | #include "ev_wrap.h" |
3260 | #include "ev_wrap.h" |
2966 | #endif |
3261 | #endif |
2967 | |
3262 | |
2968 | #ifdef __cplusplus |
3263 | #ifdef __cplusplus |