… | |
… | |
94 | # else |
94 | # else |
95 | # define EV_USE_PORT 0 |
95 | # define EV_USE_PORT 0 |
96 | # endif |
96 | # endif |
97 | # endif |
97 | # endif |
98 | |
98 | |
|
|
99 | # ifndef EV_USE_INOTIFY |
|
|
100 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
|
|
101 | # define EV_USE_INOTIFY 1 |
|
|
102 | # else |
|
|
103 | # define EV_USE_INOTIFY 0 |
|
|
104 | # endif |
|
|
105 | # endif |
|
|
106 | |
99 | #endif |
107 | #endif |
100 | |
108 | |
101 | #include <math.h> |
109 | #include <math.h> |
102 | #include <stdlib.h> |
110 | #include <stdlib.h> |
103 | #include <fcntl.h> |
111 | #include <fcntl.h> |
… | |
… | |
109 | #include <errno.h> |
117 | #include <errno.h> |
110 | #include <sys/types.h> |
118 | #include <sys/types.h> |
111 | #include <time.h> |
119 | #include <time.h> |
112 | |
120 | |
113 | #include <signal.h> |
121 | #include <signal.h> |
|
|
122 | |
|
|
123 | #ifdef EV_H |
|
|
124 | # include EV_H |
|
|
125 | #else |
|
|
126 | # include "ev.h" |
|
|
127 | #endif |
114 | |
128 | |
115 | #ifndef _WIN32 |
129 | #ifndef _WIN32 |
116 | # include <sys/time.h> |
130 | # include <sys/time.h> |
117 | # include <sys/wait.h> |
131 | # include <sys/wait.h> |
118 | # include <unistd.h> |
132 | # include <unistd.h> |
… | |
… | |
156 | |
170 | |
157 | #ifndef EV_USE_PORT |
171 | #ifndef EV_USE_PORT |
158 | # define EV_USE_PORT 0 |
172 | # define EV_USE_PORT 0 |
159 | #endif |
173 | #endif |
160 | |
174 | |
|
|
175 | #ifndef EV_USE_INOTIFY |
|
|
176 | # define EV_USE_INOTIFY 0 |
|
|
177 | #endif |
|
|
178 | |
|
|
179 | #ifndef EV_PID_HASHSIZE |
|
|
180 | # if EV_MINIMAL |
|
|
181 | # define EV_PID_HASHSIZE 1 |
|
|
182 | # else |
|
|
183 | # define EV_PID_HASHSIZE 16 |
|
|
184 | # endif |
|
|
185 | #endif |
|
|
186 | |
|
|
187 | #ifndef EV_INOTIFY_HASHSIZE |
|
|
188 | # if EV_MINIMAL |
|
|
189 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
190 | # else |
|
|
191 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
192 | # endif |
|
|
193 | #endif |
|
|
194 | |
161 | /**/ |
195 | /**/ |
162 | |
196 | |
163 | #ifndef CLOCK_MONOTONIC |
197 | #ifndef CLOCK_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
165 | # define EV_USE_MONOTONIC 0 |
199 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
172 | |
206 | |
173 | #if EV_SELECT_IS_WINSOCKET |
207 | #if EV_SELECT_IS_WINSOCKET |
174 | # include <winsock.h> |
208 | # include <winsock.h> |
175 | #endif |
209 | #endif |
176 | |
210 | |
|
|
211 | #if !EV_STAT_ENABLE |
|
|
212 | # define EV_USE_INOTIFY 0 |
|
|
213 | #endif |
|
|
214 | |
|
|
215 | #if EV_USE_INOTIFY |
|
|
216 | # include <sys/inotify.h> |
|
|
217 | #endif |
|
|
218 | |
177 | /**/ |
219 | /**/ |
178 | |
220 | |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
180 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
181 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
|
|
182 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
183 | |
|
|
184 | #ifdef EV_H |
|
|
185 | # include EV_H |
|
|
186 | #else |
|
|
187 | # include "ev.h" |
|
|
188 | #endif |
|
|
189 | |
224 | |
190 | #if __GNUC__ >= 3 |
225 | #if __GNUC__ >= 3 |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
192 | # define inline_size static inline /* inline for codesize */ |
|
|
193 | # if EV_MINIMAL |
|
|
194 | # define noinline __attribute__ ((noinline)) |
227 | # define noinline __attribute__ ((noinline)) |
195 | # define inline_speed static noinline |
|
|
196 | # else |
|
|
197 | # define noinline |
|
|
198 | # define inline_speed static inline |
|
|
199 | # endif |
|
|
200 | #else |
228 | #else |
201 | # define expect(expr,value) (expr) |
229 | # define expect(expr,value) (expr) |
202 | # define inline_speed static |
|
|
203 | # define inline_minimal static |
|
|
204 | # define noinline |
230 | # define noinline |
|
|
231 | # if __STDC_VERSION__ < 199901L |
|
|
232 | # define inline |
|
|
233 | # endif |
205 | #endif |
234 | #endif |
206 | |
235 | |
207 | #define expect_false(expr) expect ((expr) != 0, 0) |
236 | #define expect_false(expr) expect ((expr) != 0, 0) |
208 | #define expect_true(expr) expect ((expr) != 0, 1) |
237 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
238 | #define inline_size static inline |
|
|
239 | |
|
|
240 | #if EV_MINIMAL |
|
|
241 | # define inline_speed static noinline |
|
|
242 | #else |
|
|
243 | # define inline_speed static inline |
|
|
244 | #endif |
209 | |
245 | |
210 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
211 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
247 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
212 | |
248 | |
213 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
249 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
214 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
250 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
215 | |
251 | |
216 | typedef ev_watcher *W; |
252 | typedef ev_watcher *W; |
217 | typedef ev_watcher_list *WL; |
253 | typedef ev_watcher_list *WL; |
218 | typedef ev_watcher_time *WT; |
254 | typedef ev_watcher_time *WT; |
… | |
… | |
254 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
290 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
255 | { |
291 | { |
256 | alloc = cb; |
292 | alloc = cb; |
257 | } |
293 | } |
258 | |
294 | |
259 | static void * |
295 | inline_speed void * |
260 | ev_realloc (void *ptr, long size) |
296 | ev_realloc (void *ptr, long size) |
261 | { |
297 | { |
262 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
298 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
263 | |
299 | |
264 | if (!ptr && size) |
300 | if (!ptr && size) |
… | |
… | |
288 | typedef struct |
324 | typedef struct |
289 | { |
325 | { |
290 | W w; |
326 | W w; |
291 | int events; |
327 | int events; |
292 | } ANPENDING; |
328 | } ANPENDING; |
|
|
329 | |
|
|
330 | #if EV_USE_INOTIFY |
|
|
331 | typedef struct |
|
|
332 | { |
|
|
333 | WL head; |
|
|
334 | } ANFS; |
|
|
335 | #endif |
293 | |
336 | |
294 | #if EV_MULTIPLICITY |
337 | #if EV_MULTIPLICITY |
295 | |
338 | |
296 | struct ev_loop |
339 | struct ev_loop |
297 | { |
340 | { |
… | |
… | |
354 | { |
397 | { |
355 | return ev_rt_now; |
398 | return ev_rt_now; |
356 | } |
399 | } |
357 | #endif |
400 | #endif |
358 | |
401 | |
359 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
402 | int inline_size |
|
|
403 | array_nextsize (int elem, int cur, int cnt) |
|
|
404 | { |
|
|
405 | int ncur = cur + 1; |
|
|
406 | |
|
|
407 | do |
|
|
408 | ncur <<= 1; |
|
|
409 | while (cnt > ncur); |
|
|
410 | |
|
|
411 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
|
|
412 | if (elem * ncur > 4096) |
|
|
413 | { |
|
|
414 | ncur *= elem; |
|
|
415 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
|
|
416 | ncur = ncur - sizeof (void *) * 4; |
|
|
417 | ncur /= elem; |
|
|
418 | } |
|
|
419 | |
|
|
420 | return ncur; |
|
|
421 | } |
|
|
422 | |
|
|
423 | static noinline void * |
|
|
424 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
|
425 | { |
|
|
426 | *cur = array_nextsize (elem, *cur, cnt); |
|
|
427 | return ev_realloc (base, elem * *cur); |
|
|
428 | } |
360 | |
429 | |
361 | #define array_needsize(type,base,cur,cnt,init) \ |
430 | #define array_needsize(type,base,cur,cnt,init) \ |
362 | if (expect_false ((cnt) > cur)) \ |
431 | if (expect_false ((cnt) > (cur))) \ |
363 | { \ |
432 | { \ |
364 | int newcnt = cur; \ |
433 | int ocur_ = (cur); \ |
365 | do \ |
434 | (base) = (type *)array_realloc \ |
366 | { \ |
435 | (sizeof (type), (base), &(cur), (cnt)); \ |
367 | newcnt = array_roundsize (type, newcnt << 1); \ |
436 | init ((base) + (ocur_), (cur) - ocur_); \ |
368 | } \ |
|
|
369 | while ((cnt) > newcnt); \ |
|
|
370 | \ |
|
|
371 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
|
|
372 | init (base + cur, newcnt - cur); \ |
|
|
373 | cur = newcnt; \ |
|
|
374 | } |
437 | } |
375 | |
438 | |
|
|
439 | #if 0 |
376 | #define array_slim(type,stem) \ |
440 | #define array_slim(type,stem) \ |
377 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
441 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
378 | { \ |
442 | { \ |
379 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
443 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
380 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
444 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
381 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
445 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
382 | } |
446 | } |
|
|
447 | #endif |
383 | |
448 | |
384 | #define array_free(stem, idx) \ |
449 | #define array_free(stem, idx) \ |
385 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
450 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
386 | |
451 | |
387 | /*****************************************************************************/ |
452 | /*****************************************************************************/ |
388 | |
453 | |
389 | void noinline |
454 | void noinline |
390 | ev_feed_event (EV_P_ void *w, int revents) |
455 | ev_feed_event (EV_P_ void *w, int revents) |
391 | { |
456 | { |
392 | W w_ = (W)w; |
457 | W w_ = (W)w; |
|
|
458 | int pri = ABSPRI (w_); |
393 | |
459 | |
394 | if (expect_false (w_->pending)) |
460 | if (expect_false (w_->pending)) |
|
|
461 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
462 | else |
395 | { |
463 | { |
|
|
464 | w_->pending = ++pendingcnt [pri]; |
|
|
465 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
466 | pendings [pri][w_->pending - 1].w = w_; |
396 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
467 | pendings [pri][w_->pending - 1].events = revents; |
397 | return; |
|
|
398 | } |
468 | } |
399 | |
|
|
400 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
401 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
|
402 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
403 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
404 | } |
469 | } |
405 | |
470 | |
406 | void inline_size |
471 | void inline_size |
407 | queue_events (EV_P_ W *events, int eventcnt, int type) |
472 | queue_events (EV_P_ W *events, int eventcnt, int type) |
408 | { |
473 | { |
… | |
… | |
443 | } |
508 | } |
444 | |
509 | |
445 | void |
510 | void |
446 | ev_feed_fd_event (EV_P_ int fd, int revents) |
511 | ev_feed_fd_event (EV_P_ int fd, int revents) |
447 | { |
512 | { |
|
|
513 | if (fd >= 0 && fd < anfdmax) |
448 | fd_event (EV_A_ fd, revents); |
514 | fd_event (EV_A_ fd, revents); |
449 | } |
515 | } |
450 | |
516 | |
451 | void inline_size |
517 | void inline_size |
452 | fd_reify (EV_P) |
518 | fd_reify (EV_P) |
453 | { |
519 | { |
… | |
… | |
547 | static void noinline |
613 | static void noinline |
548 | fd_rearm_all (EV_P) |
614 | fd_rearm_all (EV_P) |
549 | { |
615 | { |
550 | int fd; |
616 | int fd; |
551 | |
617 | |
552 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
553 | for (fd = 0; fd < anfdmax; ++fd) |
618 | for (fd = 0; fd < anfdmax; ++fd) |
554 | if (anfds [fd].events) |
619 | if (anfds [fd].events) |
555 | { |
620 | { |
556 | anfds [fd].events = 0; |
621 | anfds [fd].events = 0; |
557 | fd_change (EV_A_ fd); |
622 | fd_change (EV_A_ fd); |
… | |
… | |
684 | for (signum = signalmax; signum--; ) |
749 | for (signum = signalmax; signum--; ) |
685 | if (signals [signum].gotsig) |
750 | if (signals [signum].gotsig) |
686 | ev_feed_signal_event (EV_A_ signum + 1); |
751 | ev_feed_signal_event (EV_A_ signum + 1); |
687 | } |
752 | } |
688 | |
753 | |
689 | void inline_size |
754 | void inline_speed |
690 | fd_intern (int fd) |
755 | fd_intern (int fd) |
691 | { |
756 | { |
692 | #ifdef _WIN32 |
757 | #ifdef _WIN32 |
693 | int arg = 1; |
758 | int arg = 1; |
694 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
759 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
709 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
774 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
710 | } |
775 | } |
711 | |
776 | |
712 | /*****************************************************************************/ |
777 | /*****************************************************************************/ |
713 | |
778 | |
714 | static ev_child *childs [PID_HASHSIZE]; |
779 | static ev_child *childs [EV_PID_HASHSIZE]; |
715 | |
780 | |
716 | #ifndef _WIN32 |
781 | #ifndef _WIN32 |
717 | |
782 | |
718 | static ev_signal childev; |
783 | static ev_signal childev; |
|
|
784 | |
|
|
785 | void inline_speed |
|
|
786 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
|
|
787 | { |
|
|
788 | ev_child *w; |
|
|
789 | |
|
|
790 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
791 | if (w->pid == pid || !w->pid) |
|
|
792 | { |
|
|
793 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
|
|
794 | w->rpid = pid; |
|
|
795 | w->rstatus = status; |
|
|
796 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
797 | } |
|
|
798 | } |
719 | |
799 | |
720 | #ifndef WCONTINUED |
800 | #ifndef WCONTINUED |
721 | # define WCONTINUED 0 |
801 | # define WCONTINUED 0 |
722 | #endif |
802 | #endif |
723 | |
803 | |
724 | void inline_speed |
|
|
725 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
|
|
726 | { |
|
|
727 | ev_child *w; |
|
|
728 | |
|
|
729 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
730 | if (w->pid == pid || !w->pid) |
|
|
731 | { |
|
|
732 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
|
|
733 | w->rpid = pid; |
|
|
734 | w->rstatus = status; |
|
|
735 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
736 | } |
|
|
737 | } |
|
|
738 | |
|
|
739 | static void |
804 | static void |
740 | childcb (EV_P_ ev_signal *sw, int revents) |
805 | childcb (EV_P_ ev_signal *sw, int revents) |
741 | { |
806 | { |
742 | int pid, status; |
807 | int pid, status; |
743 | |
808 | |
|
|
809 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
744 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
810 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
745 | { |
811 | if (!WCONTINUED |
|
|
812 | || errno != EINVAL |
|
|
813 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
814 | return; |
|
|
815 | |
746 | /* make sure we are called again until all childs have been reaped */ |
816 | /* make sure we are called again until all childs have been reaped */ |
747 | /* we need to do it this way so that the callback gets called before we continue */ |
817 | /* we need to do it this way so that the callback gets called before we continue */ |
748 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
818 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
749 | |
819 | |
750 | child_reap (EV_A_ sw, pid, pid, status); |
820 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
821 | if (EV_PID_HASHSIZE > 1) |
751 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
822 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
752 | } |
|
|
753 | } |
823 | } |
754 | |
824 | |
755 | #endif |
825 | #endif |
756 | |
826 | |
757 | /*****************************************************************************/ |
827 | /*****************************************************************************/ |
… | |
… | |
840 | ev_backend (EV_P) |
910 | ev_backend (EV_P) |
841 | { |
911 | { |
842 | return backend; |
912 | return backend; |
843 | } |
913 | } |
844 | |
914 | |
845 | static void |
915 | unsigned int |
|
|
916 | ev_loop_count (EV_P) |
|
|
917 | { |
|
|
918 | return loop_count; |
|
|
919 | } |
|
|
920 | |
|
|
921 | static void noinline |
846 | loop_init (EV_P_ unsigned int flags) |
922 | loop_init (EV_P_ unsigned int flags) |
847 | { |
923 | { |
848 | if (!backend) |
924 | if (!backend) |
849 | { |
925 | { |
850 | #if EV_USE_MONOTONIC |
926 | #if EV_USE_MONOTONIC |
… | |
… | |
858 | ev_rt_now = ev_time (); |
934 | ev_rt_now = ev_time (); |
859 | mn_now = get_clock (); |
935 | mn_now = get_clock (); |
860 | now_floor = mn_now; |
936 | now_floor = mn_now; |
861 | rtmn_diff = ev_rt_now - mn_now; |
937 | rtmn_diff = ev_rt_now - mn_now; |
862 | |
938 | |
|
|
939 | /* pid check not overridable via env */ |
|
|
940 | #ifndef _WIN32 |
|
|
941 | if (flags & EVFLAG_FORKCHECK) |
|
|
942 | curpid = getpid (); |
|
|
943 | #endif |
|
|
944 | |
863 | if (!(flags & EVFLAG_NOENV) |
945 | if (!(flags & EVFLAG_NOENV) |
864 | && !enable_secure () |
946 | && !enable_secure () |
865 | && getenv ("LIBEV_FLAGS")) |
947 | && getenv ("LIBEV_FLAGS")) |
866 | flags = atoi (getenv ("LIBEV_FLAGS")); |
948 | flags = atoi (getenv ("LIBEV_FLAGS")); |
867 | |
949 | |
868 | if (!(flags & 0x0000ffffUL)) |
950 | if (!(flags & 0x0000ffffUL)) |
869 | flags |= ev_recommended_backends (); |
951 | flags |= ev_recommended_backends (); |
870 | |
952 | |
871 | backend = 0; |
953 | backend = 0; |
|
|
954 | backend_fd = -1; |
|
|
955 | #if EV_USE_INOTIFY |
|
|
956 | fs_fd = -2; |
|
|
957 | #endif |
|
|
958 | |
872 | #if EV_USE_PORT |
959 | #if EV_USE_PORT |
873 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
960 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
874 | #endif |
961 | #endif |
875 | #if EV_USE_KQUEUE |
962 | #if EV_USE_KQUEUE |
876 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
963 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
888 | ev_init (&sigev, sigcb); |
975 | ev_init (&sigev, sigcb); |
889 | ev_set_priority (&sigev, EV_MAXPRI); |
976 | ev_set_priority (&sigev, EV_MAXPRI); |
890 | } |
977 | } |
891 | } |
978 | } |
892 | |
979 | |
893 | static void |
980 | static void noinline |
894 | loop_destroy (EV_P) |
981 | loop_destroy (EV_P) |
895 | { |
982 | { |
896 | int i; |
983 | int i; |
|
|
984 | |
|
|
985 | #if EV_USE_INOTIFY |
|
|
986 | if (fs_fd >= 0) |
|
|
987 | close (fs_fd); |
|
|
988 | #endif |
|
|
989 | |
|
|
990 | if (backend_fd >= 0) |
|
|
991 | close (backend_fd); |
897 | |
992 | |
898 | #if EV_USE_PORT |
993 | #if EV_USE_PORT |
899 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
994 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
900 | #endif |
995 | #endif |
901 | #if EV_USE_KQUEUE |
996 | #if EV_USE_KQUEUE |
… | |
… | |
910 | #if EV_USE_SELECT |
1005 | #if EV_USE_SELECT |
911 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1006 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
912 | #endif |
1007 | #endif |
913 | |
1008 | |
914 | for (i = NUMPRI; i--; ) |
1009 | for (i = NUMPRI; i--; ) |
|
|
1010 | { |
915 | array_free (pending, [i]); |
1011 | array_free (pending, [i]); |
|
|
1012 | #if EV_IDLE_ENABLE |
|
|
1013 | array_free (idle, [i]); |
|
|
1014 | #endif |
|
|
1015 | } |
916 | |
1016 | |
917 | /* have to use the microsoft-never-gets-it-right macro */ |
1017 | /* have to use the microsoft-never-gets-it-right macro */ |
918 | array_free (fdchange, EMPTY0); |
1018 | array_free (fdchange, EMPTY); |
919 | array_free (timer, EMPTY0); |
1019 | array_free (timer, EMPTY); |
920 | #if EV_PERIODIC_ENABLE |
1020 | #if EV_PERIODIC_ENABLE |
921 | array_free (periodic, EMPTY0); |
1021 | array_free (periodic, EMPTY); |
922 | #endif |
1022 | #endif |
923 | array_free (idle, EMPTY0); |
|
|
924 | array_free (prepare, EMPTY0); |
1023 | array_free (prepare, EMPTY); |
925 | array_free (check, EMPTY0); |
1024 | array_free (check, EMPTY); |
926 | |
1025 | |
927 | backend = 0; |
1026 | backend = 0; |
928 | } |
1027 | } |
929 | |
1028 | |
930 | static void |
1029 | void inline_size infy_fork (EV_P); |
|
|
1030 | |
|
|
1031 | void inline_size |
931 | loop_fork (EV_P) |
1032 | loop_fork (EV_P) |
932 | { |
1033 | { |
933 | #if EV_USE_PORT |
1034 | #if EV_USE_PORT |
934 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1035 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
935 | #endif |
1036 | #endif |
936 | #if EV_USE_KQUEUE |
1037 | #if EV_USE_KQUEUE |
937 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
1038 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
938 | #endif |
1039 | #endif |
939 | #if EV_USE_EPOLL |
1040 | #if EV_USE_EPOLL |
940 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
1041 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
|
|
1042 | #endif |
|
|
1043 | #if EV_USE_INOTIFY |
|
|
1044 | infy_fork (EV_A); |
941 | #endif |
1045 | #endif |
942 | |
1046 | |
943 | if (ev_is_active (&sigev)) |
1047 | if (ev_is_active (&sigev)) |
944 | { |
1048 | { |
945 | /* default loop */ |
1049 | /* default loop */ |
… | |
… | |
1061 | postfork = 1; |
1165 | postfork = 1; |
1062 | } |
1166 | } |
1063 | |
1167 | |
1064 | /*****************************************************************************/ |
1168 | /*****************************************************************************/ |
1065 | |
1169 | |
1066 | int inline_size |
1170 | void |
1067 | any_pending (EV_P) |
1171 | ev_invoke (EV_P_ void *w, int revents) |
1068 | { |
1172 | { |
1069 | int pri; |
1173 | EV_CB_INVOKE ((W)w, revents); |
1070 | |
|
|
1071 | for (pri = NUMPRI; pri--; ) |
|
|
1072 | if (pendingcnt [pri]) |
|
|
1073 | return 1; |
|
|
1074 | |
|
|
1075 | return 0; |
|
|
1076 | } |
1174 | } |
1077 | |
1175 | |
1078 | void inline_speed |
1176 | void inline_speed |
1079 | call_pending (EV_P) |
1177 | call_pending (EV_P) |
1080 | { |
1178 | { |
… | |
… | |
1085 | { |
1183 | { |
1086 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1184 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1087 | |
1185 | |
1088 | if (expect_true (p->w)) |
1186 | if (expect_true (p->w)) |
1089 | { |
1187 | { |
1090 | assert (("non-pending watcher on pending list", p->w->pending)); |
1188 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1091 | |
1189 | |
1092 | p->w->pending = 0; |
1190 | p->w->pending = 0; |
1093 | EV_CB_INVOKE (p->w, p->events); |
1191 | EV_CB_INVOKE (p->w, p->events); |
1094 | } |
1192 | } |
1095 | } |
1193 | } |
… | |
… | |
1100 | { |
1198 | { |
1101 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1199 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1102 | { |
1200 | { |
1103 | ev_timer *w = timers [0]; |
1201 | ev_timer *w = timers [0]; |
1104 | |
1202 | |
1105 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1203 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1106 | |
1204 | |
1107 | /* first reschedule or stop timer */ |
1205 | /* first reschedule or stop timer */ |
1108 | if (w->repeat) |
1206 | if (w->repeat) |
1109 | { |
1207 | { |
1110 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1208 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
… | |
… | |
1128 | { |
1226 | { |
1129 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1227 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1130 | { |
1228 | { |
1131 | ev_periodic *w = periodics [0]; |
1229 | ev_periodic *w = periodics [0]; |
1132 | |
1230 | |
1133 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1231 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1134 | |
1232 | |
1135 | /* first reschedule or stop timer */ |
1233 | /* first reschedule or stop timer */ |
1136 | if (w->reschedule_cb) |
1234 | if (w->reschedule_cb) |
1137 | { |
1235 | { |
1138 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1236 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
… | |
… | |
1172 | for (i = periodiccnt >> 1; i--; ) |
1270 | for (i = periodiccnt >> 1; i--; ) |
1173 | downheap ((WT *)periodics, periodiccnt, i); |
1271 | downheap ((WT *)periodics, periodiccnt, i); |
1174 | } |
1272 | } |
1175 | #endif |
1273 | #endif |
1176 | |
1274 | |
|
|
1275 | #if EV_IDLE_ENABLE |
|
|
1276 | void inline_size |
|
|
1277 | idle_reify (EV_P) |
|
|
1278 | { |
|
|
1279 | if (expect_false (idleall)) |
|
|
1280 | { |
|
|
1281 | int pri; |
|
|
1282 | |
|
|
1283 | for (pri = NUMPRI; pri--; ) |
|
|
1284 | { |
|
|
1285 | if (pendingcnt [pri]) |
|
|
1286 | break; |
|
|
1287 | |
|
|
1288 | if (idlecnt [pri]) |
|
|
1289 | { |
|
|
1290 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1291 | break; |
|
|
1292 | } |
|
|
1293 | } |
|
|
1294 | } |
|
|
1295 | } |
|
|
1296 | #endif |
|
|
1297 | |
1177 | int inline_size |
1298 | int inline_size |
1178 | time_update_monotonic (EV_P) |
1299 | time_update_monotonic (EV_P) |
1179 | { |
1300 | { |
1180 | mn_now = get_clock (); |
1301 | mn_now = get_clock (); |
1181 | |
1302 | |
… | |
… | |
1205 | ev_tstamp odiff = rtmn_diff; |
1326 | ev_tstamp odiff = rtmn_diff; |
1206 | |
1327 | |
1207 | /* loop a few times, before making important decisions. |
1328 | /* loop a few times, before making important decisions. |
1208 | * on the choice of "4": one iteration isn't enough, |
1329 | * on the choice of "4": one iteration isn't enough, |
1209 | * in case we get preempted during the calls to |
1330 | * in case we get preempted during the calls to |
1210 | * ev_time and get_clock. a second call is almost guarenteed |
1331 | * ev_time and get_clock. a second call is almost guaranteed |
1211 | * to succeed in that case, though. and looping a few more times |
1332 | * to succeed in that case, though. and looping a few more times |
1212 | * doesn't hurt either as we only do this on time-jumps or |
1333 | * doesn't hurt either as we only do this on time-jumps or |
1213 | * in the unlikely event of getting preempted here. |
1334 | * in the unlikely event of having been preempted here. |
1214 | */ |
1335 | */ |
1215 | for (i = 4; --i; ) |
1336 | for (i = 4; --i; ) |
1216 | { |
1337 | { |
1217 | rtmn_diff = ev_rt_now - mn_now; |
1338 | rtmn_diff = ev_rt_now - mn_now; |
1218 | |
1339 | |
… | |
… | |
1240 | { |
1361 | { |
1241 | #if EV_PERIODIC_ENABLE |
1362 | #if EV_PERIODIC_ENABLE |
1242 | periodics_reschedule (EV_A); |
1363 | periodics_reschedule (EV_A); |
1243 | #endif |
1364 | #endif |
1244 | |
1365 | |
1245 | /* adjust timers. this is easy, as the offset is the same for all */ |
1366 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1246 | for (i = 0; i < timercnt; ++i) |
1367 | for (i = 0; i < timercnt; ++i) |
1247 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1368 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1248 | } |
1369 | } |
1249 | |
1370 | |
1250 | mn_now = ev_rt_now; |
1371 | mn_now = ev_rt_now; |
… | |
… | |
1270 | { |
1391 | { |
1271 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1392 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1272 | ? EVUNLOOP_ONE |
1393 | ? EVUNLOOP_ONE |
1273 | : EVUNLOOP_CANCEL; |
1394 | : EVUNLOOP_CANCEL; |
1274 | |
1395 | |
1275 | while (activecnt) |
1396 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1397 | |
|
|
1398 | do |
1276 | { |
1399 | { |
|
|
1400 | #ifndef _WIN32 |
|
|
1401 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1402 | if (expect_false (getpid () != curpid)) |
|
|
1403 | { |
|
|
1404 | curpid = getpid (); |
|
|
1405 | postfork = 1; |
|
|
1406 | } |
|
|
1407 | #endif |
|
|
1408 | |
|
|
1409 | #if EV_FORK_ENABLE |
|
|
1410 | /* we might have forked, so queue fork handlers */ |
|
|
1411 | if (expect_false (postfork)) |
|
|
1412 | if (forkcnt) |
|
|
1413 | { |
|
|
1414 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1415 | call_pending (EV_A); |
|
|
1416 | } |
|
|
1417 | #endif |
|
|
1418 | |
1277 | /* queue check watchers (and execute them) */ |
1419 | /* queue prepare watchers (and execute them) */ |
1278 | if (expect_false (preparecnt)) |
1420 | if (expect_false (preparecnt)) |
1279 | { |
1421 | { |
1280 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1422 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1281 | call_pending (EV_A); |
1423 | call_pending (EV_A); |
1282 | } |
1424 | } |
1283 | |
1425 | |
|
|
1426 | if (expect_false (!activecnt)) |
|
|
1427 | break; |
|
|
1428 | |
1284 | /* we might have forked, so reify kernel state if necessary */ |
1429 | /* we might have forked, so reify kernel state if necessary */ |
1285 | if (expect_false (postfork)) |
1430 | if (expect_false (postfork)) |
1286 | loop_fork (EV_A); |
1431 | loop_fork (EV_A); |
1287 | |
1432 | |
1288 | /* update fd-related kernel structures */ |
1433 | /* update fd-related kernel structures */ |
1289 | fd_reify (EV_A); |
1434 | fd_reify (EV_A); |
1290 | |
1435 | |
1291 | /* calculate blocking time */ |
1436 | /* calculate blocking time */ |
1292 | { |
1437 | { |
1293 | double block; |
1438 | ev_tstamp block; |
1294 | |
1439 | |
1295 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1440 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1296 | block = 0.; /* do not block at all */ |
1441 | block = 0.; /* do not block at all */ |
1297 | else |
1442 | else |
1298 | { |
1443 | { |
1299 | /* update time to cancel out callback processing overhead */ |
1444 | /* update time to cancel out callback processing overhead */ |
1300 | #if EV_USE_MONOTONIC |
1445 | #if EV_USE_MONOTONIC |
… | |
… | |
1324 | #endif |
1469 | #endif |
1325 | |
1470 | |
1326 | if (expect_false (block < 0.)) block = 0.; |
1471 | if (expect_false (block < 0.)) block = 0.; |
1327 | } |
1472 | } |
1328 | |
1473 | |
|
|
1474 | ++loop_count; |
1329 | backend_poll (EV_A_ block); |
1475 | backend_poll (EV_A_ block); |
1330 | } |
1476 | } |
1331 | |
1477 | |
1332 | /* update ev_rt_now, do magic */ |
1478 | /* update ev_rt_now, do magic */ |
1333 | time_update (EV_A); |
1479 | time_update (EV_A); |
… | |
… | |
1336 | timers_reify (EV_A); /* relative timers called last */ |
1482 | timers_reify (EV_A); /* relative timers called last */ |
1337 | #if EV_PERIODIC_ENABLE |
1483 | #if EV_PERIODIC_ENABLE |
1338 | periodics_reify (EV_A); /* absolute timers called first */ |
1484 | periodics_reify (EV_A); /* absolute timers called first */ |
1339 | #endif |
1485 | #endif |
1340 | |
1486 | |
|
|
1487 | #if EV_IDLE_ENABLE |
1341 | /* queue idle watchers unless other events are pending */ |
1488 | /* queue idle watchers unless other events are pending */ |
1342 | if (idlecnt && !any_pending (EV_A)) |
1489 | idle_reify (EV_A); |
1343 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1490 | #endif |
1344 | |
1491 | |
1345 | /* queue check watchers, to be executed first */ |
1492 | /* queue check watchers, to be executed first */ |
1346 | if (expect_false (checkcnt)) |
1493 | if (expect_false (checkcnt)) |
1347 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1494 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1348 | |
1495 | |
1349 | call_pending (EV_A); |
1496 | call_pending (EV_A); |
1350 | |
1497 | |
1351 | if (expect_false (loop_done)) |
|
|
1352 | break; |
|
|
1353 | } |
1498 | } |
|
|
1499 | while (expect_true (activecnt && !loop_done)); |
1354 | |
1500 | |
1355 | if (loop_done == EVUNLOOP_ONE) |
1501 | if (loop_done == EVUNLOOP_ONE) |
1356 | loop_done = EVUNLOOP_CANCEL; |
1502 | loop_done = EVUNLOOP_CANCEL; |
1357 | } |
1503 | } |
1358 | |
1504 | |
… | |
… | |
1385 | head = &(*head)->next; |
1531 | head = &(*head)->next; |
1386 | } |
1532 | } |
1387 | } |
1533 | } |
1388 | |
1534 | |
1389 | void inline_speed |
1535 | void inline_speed |
1390 | ev_clear_pending (EV_P_ W w) |
1536 | clear_pending (EV_P_ W w) |
1391 | { |
1537 | { |
1392 | if (w->pending) |
1538 | if (w->pending) |
1393 | { |
1539 | { |
1394 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1540 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1395 | w->pending = 0; |
1541 | w->pending = 0; |
1396 | } |
1542 | } |
1397 | } |
1543 | } |
1398 | |
1544 | |
|
|
1545 | int |
|
|
1546 | ev_clear_pending (EV_P_ void *w) |
|
|
1547 | { |
|
|
1548 | W w_ = (W)w; |
|
|
1549 | int pending = w_->pending; |
|
|
1550 | |
|
|
1551 | if (!pending) |
|
|
1552 | return 0; |
|
|
1553 | |
|
|
1554 | w_->pending = 0; |
|
|
1555 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1556 | p->w = 0; |
|
|
1557 | |
|
|
1558 | return p->events; |
|
|
1559 | } |
|
|
1560 | |
|
|
1561 | void inline_size |
|
|
1562 | pri_adjust (EV_P_ W w) |
|
|
1563 | { |
|
|
1564 | int pri = w->priority; |
|
|
1565 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1566 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1567 | w->priority = pri; |
|
|
1568 | } |
|
|
1569 | |
1399 | void inline_speed |
1570 | void inline_speed |
1400 | ev_start (EV_P_ W w, int active) |
1571 | ev_start (EV_P_ W w, int active) |
1401 | { |
1572 | { |
1402 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1573 | pri_adjust (EV_A_ w); |
1403 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1404 | |
|
|
1405 | w->active = active; |
1574 | w->active = active; |
1406 | ev_ref (EV_A); |
1575 | ev_ref (EV_A); |
1407 | } |
1576 | } |
1408 | |
1577 | |
1409 | void inline_size |
1578 | void inline_size |
… | |
… | |
1413 | w->active = 0; |
1582 | w->active = 0; |
1414 | } |
1583 | } |
1415 | |
1584 | |
1416 | /*****************************************************************************/ |
1585 | /*****************************************************************************/ |
1417 | |
1586 | |
1418 | void |
1587 | void noinline |
1419 | ev_io_start (EV_P_ ev_io *w) |
1588 | ev_io_start (EV_P_ ev_io *w) |
1420 | { |
1589 | { |
1421 | int fd = w->fd; |
1590 | int fd = w->fd; |
1422 | |
1591 | |
1423 | if (expect_false (ev_is_active (w))) |
1592 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1430 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1599 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1431 | |
1600 | |
1432 | fd_change (EV_A_ fd); |
1601 | fd_change (EV_A_ fd); |
1433 | } |
1602 | } |
1434 | |
1603 | |
1435 | void |
1604 | void noinline |
1436 | ev_io_stop (EV_P_ ev_io *w) |
1605 | ev_io_stop (EV_P_ ev_io *w) |
1437 | { |
1606 | { |
1438 | ev_clear_pending (EV_A_ (W)w); |
1607 | clear_pending (EV_A_ (W)w); |
1439 | if (expect_false (!ev_is_active (w))) |
1608 | if (expect_false (!ev_is_active (w))) |
1440 | return; |
1609 | return; |
1441 | |
1610 | |
1442 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1611 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1443 | |
1612 | |
… | |
… | |
1445 | ev_stop (EV_A_ (W)w); |
1614 | ev_stop (EV_A_ (W)w); |
1446 | |
1615 | |
1447 | fd_change (EV_A_ w->fd); |
1616 | fd_change (EV_A_ w->fd); |
1448 | } |
1617 | } |
1449 | |
1618 | |
1450 | void |
1619 | void noinline |
1451 | ev_timer_start (EV_P_ ev_timer *w) |
1620 | ev_timer_start (EV_P_ ev_timer *w) |
1452 | { |
1621 | { |
1453 | if (expect_false (ev_is_active (w))) |
1622 | if (expect_false (ev_is_active (w))) |
1454 | return; |
1623 | return; |
1455 | |
1624 | |
… | |
… | |
1460 | ev_start (EV_A_ (W)w, ++timercnt); |
1629 | ev_start (EV_A_ (W)w, ++timercnt); |
1461 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1630 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1462 | timers [timercnt - 1] = w; |
1631 | timers [timercnt - 1] = w; |
1463 | upheap ((WT *)timers, timercnt - 1); |
1632 | upheap ((WT *)timers, timercnt - 1); |
1464 | |
1633 | |
|
|
1634 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
|
|
1635 | } |
|
|
1636 | |
|
|
1637 | void noinline |
|
|
1638 | ev_timer_stop (EV_P_ ev_timer *w) |
|
|
1639 | { |
|
|
1640 | clear_pending (EV_A_ (W)w); |
|
|
1641 | if (expect_false (!ev_is_active (w))) |
|
|
1642 | return; |
|
|
1643 | |
1465 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1644 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1466 | } |
|
|
1467 | |
1645 | |
1468 | void |
1646 | { |
1469 | ev_timer_stop (EV_P_ ev_timer *w) |
1647 | int active = ((W)w)->active; |
1470 | { |
|
|
1471 | ev_clear_pending (EV_A_ (W)w); |
|
|
1472 | if (expect_false (!ev_is_active (w))) |
|
|
1473 | return; |
|
|
1474 | |
1648 | |
1475 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
|
|
1476 | |
|
|
1477 | if (expect_true (((W)w)->active < timercnt--)) |
1649 | if (expect_true (--active < --timercnt)) |
1478 | { |
1650 | { |
1479 | timers [((W)w)->active - 1] = timers [timercnt]; |
1651 | timers [active] = timers [timercnt]; |
1480 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1652 | adjustheap ((WT *)timers, timercnt, active); |
1481 | } |
1653 | } |
|
|
1654 | } |
1482 | |
1655 | |
1483 | ((WT)w)->at -= mn_now; |
1656 | ((WT)w)->at -= mn_now; |
1484 | |
1657 | |
1485 | ev_stop (EV_A_ (W)w); |
1658 | ev_stop (EV_A_ (W)w); |
1486 | } |
1659 | } |
1487 | |
1660 | |
1488 | void |
1661 | void noinline |
1489 | ev_timer_again (EV_P_ ev_timer *w) |
1662 | ev_timer_again (EV_P_ ev_timer *w) |
1490 | { |
1663 | { |
1491 | if (ev_is_active (w)) |
1664 | if (ev_is_active (w)) |
1492 | { |
1665 | { |
1493 | if (w->repeat) |
1666 | if (w->repeat) |
… | |
… | |
1504 | ev_timer_start (EV_A_ w); |
1677 | ev_timer_start (EV_A_ w); |
1505 | } |
1678 | } |
1506 | } |
1679 | } |
1507 | |
1680 | |
1508 | #if EV_PERIODIC_ENABLE |
1681 | #if EV_PERIODIC_ENABLE |
1509 | void |
1682 | void noinline |
1510 | ev_periodic_start (EV_P_ ev_periodic *w) |
1683 | ev_periodic_start (EV_P_ ev_periodic *w) |
1511 | { |
1684 | { |
1512 | if (expect_false (ev_is_active (w))) |
1685 | if (expect_false (ev_is_active (w))) |
1513 | return; |
1686 | return; |
1514 | |
1687 | |
… | |
… | |
1524 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1697 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1525 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1698 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1526 | periodics [periodiccnt - 1] = w; |
1699 | periodics [periodiccnt - 1] = w; |
1527 | upheap ((WT *)periodics, periodiccnt - 1); |
1700 | upheap ((WT *)periodics, periodiccnt - 1); |
1528 | |
1701 | |
|
|
1702 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
|
|
1703 | } |
|
|
1704 | |
|
|
1705 | void noinline |
|
|
1706 | ev_periodic_stop (EV_P_ ev_periodic *w) |
|
|
1707 | { |
|
|
1708 | clear_pending (EV_A_ (W)w); |
|
|
1709 | if (expect_false (!ev_is_active (w))) |
|
|
1710 | return; |
|
|
1711 | |
1529 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1712 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1530 | } |
|
|
1531 | |
1713 | |
1532 | void |
1714 | { |
1533 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1715 | int active = ((W)w)->active; |
1534 | { |
|
|
1535 | ev_clear_pending (EV_A_ (W)w); |
|
|
1536 | if (expect_false (!ev_is_active (w))) |
|
|
1537 | return; |
|
|
1538 | |
1716 | |
1539 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
|
|
1540 | |
|
|
1541 | if (expect_true (((W)w)->active < periodiccnt--)) |
1717 | if (expect_true (--active < --periodiccnt)) |
1542 | { |
1718 | { |
1543 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1719 | periodics [active] = periodics [periodiccnt]; |
1544 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1720 | adjustheap ((WT *)periodics, periodiccnt, active); |
1545 | } |
1721 | } |
|
|
1722 | } |
1546 | |
1723 | |
1547 | ev_stop (EV_A_ (W)w); |
1724 | ev_stop (EV_A_ (W)w); |
1548 | } |
1725 | } |
1549 | |
1726 | |
1550 | void |
1727 | void noinline |
1551 | ev_periodic_again (EV_P_ ev_periodic *w) |
1728 | ev_periodic_again (EV_P_ ev_periodic *w) |
1552 | { |
1729 | { |
1553 | /* TODO: use adjustheap and recalculation */ |
1730 | /* TODO: use adjustheap and recalculation */ |
1554 | ev_periodic_stop (EV_A_ w); |
1731 | ev_periodic_stop (EV_A_ w); |
1555 | ev_periodic_start (EV_A_ w); |
1732 | ev_periodic_start (EV_A_ w); |
1556 | } |
1733 | } |
1557 | #endif |
1734 | #endif |
1558 | |
1735 | |
1559 | void |
|
|
1560 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1561 | { |
|
|
1562 | if (expect_false (ev_is_active (w))) |
|
|
1563 | return; |
|
|
1564 | |
|
|
1565 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1566 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1567 | idles [idlecnt - 1] = w; |
|
|
1568 | } |
|
|
1569 | |
|
|
1570 | void |
|
|
1571 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
1572 | { |
|
|
1573 | ev_clear_pending (EV_A_ (W)w); |
|
|
1574 | if (expect_false (!ev_is_active (w))) |
|
|
1575 | return; |
|
|
1576 | |
|
|
1577 | { |
|
|
1578 | int active = ((W)w)->active; |
|
|
1579 | idles [active - 1] = idles [--idlecnt]; |
|
|
1580 | ((W)idles [active - 1])->active = active; |
|
|
1581 | } |
|
|
1582 | |
|
|
1583 | ev_stop (EV_A_ (W)w); |
|
|
1584 | } |
|
|
1585 | |
|
|
1586 | void |
|
|
1587 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
1588 | { |
|
|
1589 | if (expect_false (ev_is_active (w))) |
|
|
1590 | return; |
|
|
1591 | |
|
|
1592 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1593 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1594 | prepares [preparecnt - 1] = w; |
|
|
1595 | } |
|
|
1596 | |
|
|
1597 | void |
|
|
1598 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
1599 | { |
|
|
1600 | ev_clear_pending (EV_A_ (W)w); |
|
|
1601 | if (expect_false (!ev_is_active (w))) |
|
|
1602 | return; |
|
|
1603 | |
|
|
1604 | { |
|
|
1605 | int active = ((W)w)->active; |
|
|
1606 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1607 | ((W)prepares [active - 1])->active = active; |
|
|
1608 | } |
|
|
1609 | |
|
|
1610 | ev_stop (EV_A_ (W)w); |
|
|
1611 | } |
|
|
1612 | |
|
|
1613 | void |
|
|
1614 | ev_check_start (EV_P_ ev_check *w) |
|
|
1615 | { |
|
|
1616 | if (expect_false (ev_is_active (w))) |
|
|
1617 | return; |
|
|
1618 | |
|
|
1619 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1620 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1621 | checks [checkcnt - 1] = w; |
|
|
1622 | } |
|
|
1623 | |
|
|
1624 | void |
|
|
1625 | ev_check_stop (EV_P_ ev_check *w) |
|
|
1626 | { |
|
|
1627 | ev_clear_pending (EV_A_ (W)w); |
|
|
1628 | if (expect_false (!ev_is_active (w))) |
|
|
1629 | return; |
|
|
1630 | |
|
|
1631 | { |
|
|
1632 | int active = ((W)w)->active; |
|
|
1633 | checks [active - 1] = checks [--checkcnt]; |
|
|
1634 | ((W)checks [active - 1])->active = active; |
|
|
1635 | } |
|
|
1636 | |
|
|
1637 | ev_stop (EV_A_ (W)w); |
|
|
1638 | } |
|
|
1639 | |
|
|
1640 | #ifndef SA_RESTART |
1736 | #ifndef SA_RESTART |
1641 | # define SA_RESTART 0 |
1737 | # define SA_RESTART 0 |
1642 | #endif |
1738 | #endif |
1643 | |
1739 | |
1644 | void |
1740 | void noinline |
1645 | ev_signal_start (EV_P_ ev_signal *w) |
1741 | ev_signal_start (EV_P_ ev_signal *w) |
1646 | { |
1742 | { |
1647 | #if EV_MULTIPLICITY |
1743 | #if EV_MULTIPLICITY |
1648 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1744 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1649 | #endif |
1745 | #endif |
… | |
… | |
1668 | sigaction (w->signum, &sa, 0); |
1764 | sigaction (w->signum, &sa, 0); |
1669 | #endif |
1765 | #endif |
1670 | } |
1766 | } |
1671 | } |
1767 | } |
1672 | |
1768 | |
1673 | void |
1769 | void noinline |
1674 | ev_signal_stop (EV_P_ ev_signal *w) |
1770 | ev_signal_stop (EV_P_ ev_signal *w) |
1675 | { |
1771 | { |
1676 | ev_clear_pending (EV_A_ (W)w); |
1772 | clear_pending (EV_A_ (W)w); |
1677 | if (expect_false (!ev_is_active (w))) |
1773 | if (expect_false (!ev_is_active (w))) |
1678 | return; |
1774 | return; |
1679 | |
1775 | |
1680 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1776 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1681 | ev_stop (EV_A_ (W)w); |
1777 | ev_stop (EV_A_ (W)w); |
… | |
… | |
1692 | #endif |
1788 | #endif |
1693 | if (expect_false (ev_is_active (w))) |
1789 | if (expect_false (ev_is_active (w))) |
1694 | return; |
1790 | return; |
1695 | |
1791 | |
1696 | ev_start (EV_A_ (W)w, 1); |
1792 | ev_start (EV_A_ (W)w, 1); |
1697 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1793 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1698 | } |
1794 | } |
1699 | |
1795 | |
1700 | void |
1796 | void |
1701 | ev_child_stop (EV_P_ ev_child *w) |
1797 | ev_child_stop (EV_P_ ev_child *w) |
1702 | { |
1798 | { |
1703 | ev_clear_pending (EV_A_ (W)w); |
1799 | clear_pending (EV_A_ (W)w); |
1704 | if (expect_false (!ev_is_active (w))) |
1800 | if (expect_false (!ev_is_active (w))) |
1705 | return; |
1801 | return; |
1706 | |
1802 | |
1707 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1803 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
1804 | ev_stop (EV_A_ (W)w); |
|
|
1805 | } |
|
|
1806 | |
|
|
1807 | #if EV_STAT_ENABLE |
|
|
1808 | |
|
|
1809 | # ifdef _WIN32 |
|
|
1810 | # undef lstat |
|
|
1811 | # define lstat(a,b) _stati64 (a,b) |
|
|
1812 | # endif |
|
|
1813 | |
|
|
1814 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1815 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1816 | |
|
|
1817 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1818 | |
|
|
1819 | #if EV_USE_INOTIFY |
|
|
1820 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1821 | |
|
|
1822 | static void noinline |
|
|
1823 | infy_add (EV_P_ ev_stat *w) |
|
|
1824 | { |
|
|
1825 | 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); |
|
|
1826 | |
|
|
1827 | if (w->wd < 0) |
|
|
1828 | { |
|
|
1829 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1830 | |
|
|
1831 | /* monitor some parent directory for speedup hints */ |
|
|
1832 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1833 | { |
|
|
1834 | char path [4096]; |
|
|
1835 | strcpy (path, w->path); |
|
|
1836 | |
|
|
1837 | do |
|
|
1838 | { |
|
|
1839 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1840 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1841 | |
|
|
1842 | char *pend = strrchr (path, '/'); |
|
|
1843 | |
|
|
1844 | if (!pend) |
|
|
1845 | break; /* whoops, no '/', complain to your admin */ |
|
|
1846 | |
|
|
1847 | *pend = 0; |
|
|
1848 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1849 | } |
|
|
1850 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1851 | } |
|
|
1852 | } |
|
|
1853 | else |
|
|
1854 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1855 | |
|
|
1856 | if (w->wd >= 0) |
|
|
1857 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1858 | } |
|
|
1859 | |
|
|
1860 | static void noinline |
|
|
1861 | infy_del (EV_P_ ev_stat *w) |
|
|
1862 | { |
|
|
1863 | int slot; |
|
|
1864 | int wd = w->wd; |
|
|
1865 | |
|
|
1866 | if (wd < 0) |
|
|
1867 | return; |
|
|
1868 | |
|
|
1869 | w->wd = -2; |
|
|
1870 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1871 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1872 | |
|
|
1873 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1874 | inotify_rm_watch (fs_fd, wd); |
|
|
1875 | } |
|
|
1876 | |
|
|
1877 | static void noinline |
|
|
1878 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1879 | { |
|
|
1880 | if (slot < 0) |
|
|
1881 | /* overflow, need to check for all hahs slots */ |
|
|
1882 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1883 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1884 | else |
|
|
1885 | { |
|
|
1886 | WL w_; |
|
|
1887 | |
|
|
1888 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1889 | { |
|
|
1890 | ev_stat *w = (ev_stat *)w_; |
|
|
1891 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1892 | |
|
|
1893 | if (w->wd == wd || wd == -1) |
|
|
1894 | { |
|
|
1895 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1896 | { |
|
|
1897 | w->wd = -1; |
|
|
1898 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1899 | } |
|
|
1900 | |
|
|
1901 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
1902 | } |
|
|
1903 | } |
|
|
1904 | } |
|
|
1905 | } |
|
|
1906 | |
|
|
1907 | static void |
|
|
1908 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1909 | { |
|
|
1910 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1911 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1912 | int ofs; |
|
|
1913 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1914 | |
|
|
1915 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1916 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1917 | } |
|
|
1918 | |
|
|
1919 | void inline_size |
|
|
1920 | infy_init (EV_P) |
|
|
1921 | { |
|
|
1922 | if (fs_fd != -2) |
|
|
1923 | return; |
|
|
1924 | |
|
|
1925 | fs_fd = inotify_init (); |
|
|
1926 | |
|
|
1927 | if (fs_fd >= 0) |
|
|
1928 | { |
|
|
1929 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1930 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1931 | ev_io_start (EV_A_ &fs_w); |
|
|
1932 | } |
|
|
1933 | } |
|
|
1934 | |
|
|
1935 | void inline_size |
|
|
1936 | infy_fork (EV_P) |
|
|
1937 | { |
|
|
1938 | int slot; |
|
|
1939 | |
|
|
1940 | if (fs_fd < 0) |
|
|
1941 | return; |
|
|
1942 | |
|
|
1943 | close (fs_fd); |
|
|
1944 | fs_fd = inotify_init (); |
|
|
1945 | |
|
|
1946 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1947 | { |
|
|
1948 | WL w_ = fs_hash [slot].head; |
|
|
1949 | fs_hash [slot].head = 0; |
|
|
1950 | |
|
|
1951 | while (w_) |
|
|
1952 | { |
|
|
1953 | ev_stat *w = (ev_stat *)w_; |
|
|
1954 | w_ = w_->next; /* lets us add this watcher */ |
|
|
1955 | |
|
|
1956 | w->wd = -1; |
|
|
1957 | |
|
|
1958 | if (fs_fd >= 0) |
|
|
1959 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1960 | else |
|
|
1961 | ev_timer_start (EV_A_ &w->timer); |
|
|
1962 | } |
|
|
1963 | |
|
|
1964 | } |
|
|
1965 | } |
|
|
1966 | |
|
|
1967 | #endif |
|
|
1968 | |
|
|
1969 | void |
|
|
1970 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1971 | { |
|
|
1972 | if (lstat (w->path, &w->attr) < 0) |
|
|
1973 | w->attr.st_nlink = 0; |
|
|
1974 | else if (!w->attr.st_nlink) |
|
|
1975 | w->attr.st_nlink = 1; |
|
|
1976 | } |
|
|
1977 | |
|
|
1978 | static void noinline |
|
|
1979 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1980 | { |
|
|
1981 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1982 | |
|
|
1983 | /* we copy this here each the time so that */ |
|
|
1984 | /* prev has the old value when the callback gets invoked */ |
|
|
1985 | w->prev = w->attr; |
|
|
1986 | ev_stat_stat (EV_A_ w); |
|
|
1987 | |
|
|
1988 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
1989 | if ( |
|
|
1990 | w->prev.st_dev != w->attr.st_dev |
|
|
1991 | || w->prev.st_ino != w->attr.st_ino |
|
|
1992 | || w->prev.st_mode != w->attr.st_mode |
|
|
1993 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
1994 | || w->prev.st_uid != w->attr.st_uid |
|
|
1995 | || w->prev.st_gid != w->attr.st_gid |
|
|
1996 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
1997 | || w->prev.st_size != w->attr.st_size |
|
|
1998 | || w->prev.st_atime != w->attr.st_atime |
|
|
1999 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
2000 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
2001 | ) { |
|
|
2002 | #if EV_USE_INOTIFY |
|
|
2003 | infy_del (EV_A_ w); |
|
|
2004 | infy_add (EV_A_ w); |
|
|
2005 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2006 | #endif |
|
|
2007 | |
|
|
2008 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
2009 | } |
|
|
2010 | } |
|
|
2011 | |
|
|
2012 | void |
|
|
2013 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
2014 | { |
|
|
2015 | if (expect_false (ev_is_active (w))) |
|
|
2016 | return; |
|
|
2017 | |
|
|
2018 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2019 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2020 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2021 | |
|
|
2022 | ev_stat_stat (EV_A_ w); |
|
|
2023 | |
|
|
2024 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
2025 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2026 | |
|
|
2027 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
2028 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
2029 | |
|
|
2030 | #if EV_USE_INOTIFY |
|
|
2031 | infy_init (EV_A); |
|
|
2032 | |
|
|
2033 | if (fs_fd >= 0) |
|
|
2034 | infy_add (EV_A_ w); |
|
|
2035 | else |
|
|
2036 | #endif |
|
|
2037 | ev_timer_start (EV_A_ &w->timer); |
|
|
2038 | |
|
|
2039 | ev_start (EV_A_ (W)w, 1); |
|
|
2040 | } |
|
|
2041 | |
|
|
2042 | void |
|
|
2043 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
2044 | { |
|
|
2045 | clear_pending (EV_A_ (W)w); |
|
|
2046 | if (expect_false (!ev_is_active (w))) |
|
|
2047 | return; |
|
|
2048 | |
|
|
2049 | #if EV_USE_INOTIFY |
|
|
2050 | infy_del (EV_A_ w); |
|
|
2051 | #endif |
|
|
2052 | ev_timer_stop (EV_A_ &w->timer); |
|
|
2053 | |
|
|
2054 | ev_stop (EV_A_ (W)w); |
|
|
2055 | } |
|
|
2056 | #endif |
|
|
2057 | |
|
|
2058 | #if EV_IDLE_ENABLE |
|
|
2059 | void |
|
|
2060 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
2061 | { |
|
|
2062 | if (expect_false (ev_is_active (w))) |
|
|
2063 | return; |
|
|
2064 | |
|
|
2065 | pri_adjust (EV_A_ (W)w); |
|
|
2066 | |
|
|
2067 | { |
|
|
2068 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2069 | |
|
|
2070 | ++idleall; |
|
|
2071 | ev_start (EV_A_ (W)w, active); |
|
|
2072 | |
|
|
2073 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
|
|
2074 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2075 | } |
|
|
2076 | } |
|
|
2077 | |
|
|
2078 | void |
|
|
2079 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
2080 | { |
|
|
2081 | clear_pending (EV_A_ (W)w); |
|
|
2082 | if (expect_false (!ev_is_active (w))) |
|
|
2083 | return; |
|
|
2084 | |
|
|
2085 | { |
|
|
2086 | int active = ((W)w)->active; |
|
|
2087 | |
|
|
2088 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
|
|
2089 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2090 | |
|
|
2091 | ev_stop (EV_A_ (W)w); |
|
|
2092 | --idleall; |
|
|
2093 | } |
|
|
2094 | } |
|
|
2095 | #endif |
|
|
2096 | |
|
|
2097 | void |
|
|
2098 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
2099 | { |
|
|
2100 | if (expect_false (ev_is_active (w))) |
|
|
2101 | return; |
|
|
2102 | |
|
|
2103 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
2104 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
2105 | prepares [preparecnt - 1] = w; |
|
|
2106 | } |
|
|
2107 | |
|
|
2108 | void |
|
|
2109 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
2110 | { |
|
|
2111 | clear_pending (EV_A_ (W)w); |
|
|
2112 | if (expect_false (!ev_is_active (w))) |
|
|
2113 | return; |
|
|
2114 | |
|
|
2115 | { |
|
|
2116 | int active = ((W)w)->active; |
|
|
2117 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
2118 | ((W)prepares [active - 1])->active = active; |
|
|
2119 | } |
|
|
2120 | |
|
|
2121 | ev_stop (EV_A_ (W)w); |
|
|
2122 | } |
|
|
2123 | |
|
|
2124 | void |
|
|
2125 | ev_check_start (EV_P_ ev_check *w) |
|
|
2126 | { |
|
|
2127 | if (expect_false (ev_is_active (w))) |
|
|
2128 | return; |
|
|
2129 | |
|
|
2130 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
2131 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
2132 | checks [checkcnt - 1] = w; |
|
|
2133 | } |
|
|
2134 | |
|
|
2135 | void |
|
|
2136 | ev_check_stop (EV_P_ ev_check *w) |
|
|
2137 | { |
|
|
2138 | clear_pending (EV_A_ (W)w); |
|
|
2139 | if (expect_false (!ev_is_active (w))) |
|
|
2140 | return; |
|
|
2141 | |
|
|
2142 | { |
|
|
2143 | int active = ((W)w)->active; |
|
|
2144 | checks [active - 1] = checks [--checkcnt]; |
|
|
2145 | ((W)checks [active - 1])->active = active; |
|
|
2146 | } |
|
|
2147 | |
1708 | ev_stop (EV_A_ (W)w); |
2148 | ev_stop (EV_A_ (W)w); |
1709 | } |
2149 | } |
1710 | |
2150 | |
1711 | #if EV_EMBED_ENABLE |
2151 | #if EV_EMBED_ENABLE |
1712 | void noinline |
2152 | void noinline |
… | |
… | |
1745 | } |
2185 | } |
1746 | |
2186 | |
1747 | void |
2187 | void |
1748 | ev_embed_stop (EV_P_ ev_embed *w) |
2188 | ev_embed_stop (EV_P_ ev_embed *w) |
1749 | { |
2189 | { |
1750 | ev_clear_pending (EV_A_ (W)w); |
2190 | clear_pending (EV_A_ (W)w); |
1751 | if (expect_false (!ev_is_active (w))) |
2191 | if (expect_false (!ev_is_active (w))) |
1752 | return; |
2192 | return; |
1753 | |
2193 | |
1754 | ev_io_stop (EV_A_ &w->io); |
2194 | ev_io_stop (EV_A_ &w->io); |
1755 | |
2195 | |
1756 | ev_stop (EV_A_ (W)w); |
2196 | ev_stop (EV_A_ (W)w); |
1757 | } |
2197 | } |
1758 | #endif |
2198 | #endif |
1759 | |
2199 | |
1760 | #if EV_STAT_ENABLE |
2200 | #if EV_FORK_ENABLE |
1761 | |
|
|
1762 | # ifdef _WIN32 |
|
|
1763 | # define lstat(a,b) stat(a,b) |
|
|
1764 | # endif |
|
|
1765 | |
|
|
1766 | void |
2201 | void |
1767 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1768 | { |
|
|
1769 | if (lstat (w->path, &w->attr) < 0) |
|
|
1770 | w->attr.st_nlink = 0; |
|
|
1771 | else if (!w->attr.st_nlink) |
|
|
1772 | w->attr.st_nlink = 1; |
|
|
1773 | } |
|
|
1774 | |
|
|
1775 | static void |
|
|
1776 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1777 | { |
|
|
1778 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1779 | |
|
|
1780 | /* we copy this here each the time so that */ |
|
|
1781 | /* prev has the old value when the callback gets invoked */ |
|
|
1782 | w->prev = w->attr; |
|
|
1783 | ev_stat_stat (EV_A_ w); |
|
|
1784 | |
|
|
1785 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
|
|
1786 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
1787 | } |
|
|
1788 | |
|
|
1789 | void |
|
|
1790 | ev_stat_start (EV_P_ ev_stat *w) |
2202 | ev_fork_start (EV_P_ ev_fork *w) |
1791 | { |
2203 | { |
1792 | if (expect_false (ev_is_active (w))) |
2204 | if (expect_false (ev_is_active (w))) |
1793 | return; |
2205 | return; |
1794 | |
2206 | |
1795 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1796 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1797 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1798 | |
|
|
1799 | ev_stat_stat (EV_A_ w); |
|
|
1800 | |
|
|
1801 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
1802 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
1803 | ev_timer_start (EV_A_ &w->timer); |
|
|
1804 | |
|
|
1805 | ev_start (EV_A_ (W)w, 1); |
2207 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2208 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2209 | forks [forkcnt - 1] = w; |
1806 | } |
2210 | } |
1807 | |
2211 | |
1808 | void |
2212 | void |
1809 | ev_stat_stop (EV_P_ ev_stat *w) |
2213 | ev_fork_stop (EV_P_ ev_fork *w) |
1810 | { |
2214 | { |
1811 | ev_clear_pending (EV_A_ (W)w); |
2215 | clear_pending (EV_A_ (W)w); |
1812 | if (expect_false (!ev_is_active (w))) |
2216 | if (expect_false (!ev_is_active (w))) |
1813 | return; |
2217 | return; |
1814 | |
2218 | |
1815 | ev_timer_stop (EV_A_ &w->timer); |
2219 | { |
|
|
2220 | int active = ((W)w)->active; |
|
|
2221 | forks [active - 1] = forks [--forkcnt]; |
|
|
2222 | ((W)forks [active - 1])->active = active; |
|
|
2223 | } |
1816 | |
2224 | |
1817 | ev_stop (EV_A_ (W)w); |
2225 | ev_stop (EV_A_ (W)w); |
1818 | } |
2226 | } |
1819 | #endif |
2227 | #endif |
1820 | |
2228 | |