… | |
… | |
39 | |
39 | |
40 | #ifdef __cplusplus |
40 | #ifdef __cplusplus |
41 | extern "C" { |
41 | extern "C" { |
42 | #endif |
42 | #endif |
43 | |
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
44 | #ifndef EV_STANDALONE |
45 | #ifndef EV_STANDALONE |
45 | # ifdef EV_CONFIG_H |
46 | # ifdef EV_CONFIG_H |
46 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
47 | # else |
48 | # else |
48 | # include "config.h" |
49 | # include "config.h" |
… | |
… | |
118 | # else |
119 | # else |
119 | # define EV_USE_INOTIFY 0 |
120 | # define EV_USE_INOTIFY 0 |
120 | # endif |
121 | # endif |
121 | # endif |
122 | # endif |
122 | |
123 | |
|
|
124 | # ifndef EV_USE_EVENTFD |
|
|
125 | # if HAVE_EVENTFD |
|
|
126 | # define EV_USE_EVENTFD 1 |
|
|
127 | # else |
|
|
128 | # define EV_USE_EVENTFD 0 |
|
|
129 | # endif |
|
|
130 | # endif |
|
|
131 | |
123 | #endif |
132 | #endif |
124 | |
133 | |
125 | #include <math.h> |
134 | #include <math.h> |
126 | #include <stdlib.h> |
135 | #include <stdlib.h> |
127 | #include <fcntl.h> |
136 | #include <fcntl.h> |
… | |
… | |
152 | # ifndef EV_SELECT_IS_WINSOCKET |
161 | # ifndef EV_SELECT_IS_WINSOCKET |
153 | # define EV_SELECT_IS_WINSOCKET 1 |
162 | # define EV_SELECT_IS_WINSOCKET 1 |
154 | # endif |
163 | # endif |
155 | #endif |
164 | #endif |
156 | |
165 | |
157 | /**/ |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
158 | |
167 | |
159 | #ifndef EV_USE_MONOTONIC |
168 | #ifndef EV_USE_MONOTONIC |
160 | # define EV_USE_MONOTONIC 0 |
169 | # define EV_USE_MONOTONIC 0 |
161 | #endif |
170 | #endif |
162 | |
171 | |
… | |
… | |
179 | # define EV_USE_POLL 1 |
188 | # define EV_USE_POLL 1 |
180 | # endif |
189 | # endif |
181 | #endif |
190 | #endif |
182 | |
191 | |
183 | #ifndef EV_USE_EPOLL |
192 | #ifndef EV_USE_EPOLL |
|
|
193 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
194 | # define EV_USE_EPOLL 1 |
|
|
195 | # else |
184 | # define EV_USE_EPOLL 0 |
196 | # define EV_USE_EPOLL 0 |
|
|
197 | # endif |
185 | #endif |
198 | #endif |
186 | |
199 | |
187 | #ifndef EV_USE_KQUEUE |
200 | #ifndef EV_USE_KQUEUE |
188 | # define EV_USE_KQUEUE 0 |
201 | # define EV_USE_KQUEUE 0 |
189 | #endif |
202 | #endif |
… | |
… | |
191 | #ifndef EV_USE_PORT |
204 | #ifndef EV_USE_PORT |
192 | # define EV_USE_PORT 0 |
205 | # define EV_USE_PORT 0 |
193 | #endif |
206 | #endif |
194 | |
207 | |
195 | #ifndef EV_USE_INOTIFY |
208 | #ifndef EV_USE_INOTIFY |
|
|
209 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
210 | # define EV_USE_INOTIFY 1 |
|
|
211 | # else |
196 | # define EV_USE_INOTIFY 0 |
212 | # define EV_USE_INOTIFY 0 |
|
|
213 | # endif |
197 | #endif |
214 | #endif |
198 | |
215 | |
199 | #ifndef EV_PID_HASHSIZE |
216 | #ifndef EV_PID_HASHSIZE |
200 | # if EV_MINIMAL |
217 | # if EV_MINIMAL |
201 | # define EV_PID_HASHSIZE 1 |
218 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
210 | # else |
227 | # else |
211 | # define EV_INOTIFY_HASHSIZE 16 |
228 | # define EV_INOTIFY_HASHSIZE 16 |
212 | # endif |
229 | # endif |
213 | #endif |
230 | #endif |
214 | |
231 | |
215 | /**/ |
232 | #ifndef EV_USE_EVENTFD |
|
|
233 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
234 | # define EV_USE_EVENTFD 1 |
|
|
235 | # else |
|
|
236 | # define EV_USE_EVENTFD 0 |
|
|
237 | # endif |
|
|
238 | #endif |
|
|
239 | |
|
|
240 | #if 0 /* debugging */ |
|
|
241 | # define EV_VERIFY 3 |
|
|
242 | # define EV_USE_4HEAP 1 |
|
|
243 | # define EV_HEAP_CACHE_AT 1 |
|
|
244 | #endif |
|
|
245 | |
|
|
246 | #ifndef EV_VERIFY |
|
|
247 | # define EV_VERIFY !EV_MINIMAL |
|
|
248 | #endif |
|
|
249 | |
|
|
250 | #ifndef EV_USE_4HEAP |
|
|
251 | # define EV_USE_4HEAP !EV_MINIMAL |
|
|
252 | #endif |
|
|
253 | |
|
|
254 | #ifndef EV_HEAP_CACHE_AT |
|
|
255 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
256 | #endif |
|
|
257 | |
|
|
258 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
216 | |
259 | |
217 | #ifndef CLOCK_MONOTONIC |
260 | #ifndef CLOCK_MONOTONIC |
218 | # undef EV_USE_MONOTONIC |
261 | # undef EV_USE_MONOTONIC |
219 | # define EV_USE_MONOTONIC 0 |
262 | # define EV_USE_MONOTONIC 0 |
220 | #endif |
263 | #endif |
… | |
… | |
241 | |
284 | |
242 | #if EV_SELECT_IS_WINSOCKET |
285 | #if EV_SELECT_IS_WINSOCKET |
243 | # include <winsock.h> |
286 | # include <winsock.h> |
244 | #endif |
287 | #endif |
245 | |
288 | |
|
|
289 | #if EV_USE_EVENTFD |
|
|
290 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
291 | # include <stdint.h> |
|
|
292 | # ifdef __cplusplus |
|
|
293 | extern "C" { |
|
|
294 | # endif |
|
|
295 | int eventfd (unsigned int initval, int flags); |
|
|
296 | # ifdef __cplusplus |
|
|
297 | } |
|
|
298 | # endif |
|
|
299 | #endif |
|
|
300 | |
246 | /**/ |
301 | /**/ |
|
|
302 | |
|
|
303 | #if EV_VERIFY >= 3 |
|
|
304 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
|
305 | #else |
|
|
306 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
307 | #endif |
247 | |
308 | |
248 | /* |
309 | /* |
249 | * This is used to avoid floating point rounding problems. |
310 | * This is used to avoid floating point rounding problems. |
250 | * It is added to ev_rt_now when scheduling periodics |
311 | * It is added to ev_rt_now when scheduling periodics |
251 | * to ensure progress, time-wise, even when rounding |
312 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
324 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
264 | # define noinline __attribute__ ((noinline)) |
325 | # define noinline __attribute__ ((noinline)) |
265 | #else |
326 | #else |
266 | # define expect(expr,value) (expr) |
327 | # define expect(expr,value) (expr) |
267 | # define noinline |
328 | # define noinline |
268 | # if __STDC_VERSION__ < 199901L |
329 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
269 | # define inline |
330 | # define inline |
270 | # endif |
331 | # endif |
271 | #endif |
332 | #endif |
272 | |
333 | |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
334 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
288 | |
349 | |
289 | typedef ev_watcher *W; |
350 | typedef ev_watcher *W; |
290 | typedef ev_watcher_list *WL; |
351 | typedef ev_watcher_list *WL; |
291 | typedef ev_watcher_time *WT; |
352 | typedef ev_watcher_time *WT; |
292 | |
353 | |
|
|
354 | #define ev_active(w) ((W)(w))->active |
|
|
355 | #define ev_at(w) ((WT)(w))->at |
|
|
356 | |
293 | #if EV_USE_MONOTONIC |
357 | #if EV_USE_MONOTONIC |
294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
358 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
295 | /* giving it a reasonably high chance of working on typical architetcures */ |
359 | /* giving it a reasonably high chance of working on typical architetcures */ |
296 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
360 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
297 | #endif |
361 | #endif |
… | |
… | |
323 | perror (msg); |
387 | perror (msg); |
324 | abort (); |
388 | abort (); |
325 | } |
389 | } |
326 | } |
390 | } |
327 | |
391 | |
|
|
392 | static void * |
|
|
393 | ev_realloc_emul (void *ptr, long size) |
|
|
394 | { |
|
|
395 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
396 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
|
397 | * the single unix specification, so work around them here. |
|
|
398 | */ |
|
|
399 | |
|
|
400 | if (size) |
|
|
401 | return realloc (ptr, size); |
|
|
402 | |
|
|
403 | free (ptr); |
|
|
404 | return 0; |
|
|
405 | } |
|
|
406 | |
328 | static void *(*alloc)(void *ptr, long size); |
407 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
329 | |
408 | |
330 | void |
409 | void |
331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
410 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
332 | { |
411 | { |
333 | alloc = cb; |
412 | alloc = cb; |
334 | } |
413 | } |
335 | |
414 | |
336 | inline_speed void * |
415 | inline_speed void * |
337 | ev_realloc (void *ptr, long size) |
416 | ev_realloc (void *ptr, long size) |
338 | { |
417 | { |
339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
418 | ptr = alloc (ptr, size); |
340 | |
419 | |
341 | if (!ptr && size) |
420 | if (!ptr && size) |
342 | { |
421 | { |
343 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
422 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
344 | abort (); |
423 | abort (); |
… | |
… | |
367 | W w; |
446 | W w; |
368 | int events; |
447 | int events; |
369 | } ANPENDING; |
448 | } ANPENDING; |
370 | |
449 | |
371 | #if EV_USE_INOTIFY |
450 | #if EV_USE_INOTIFY |
|
|
451 | /* hash table entry per inotify-id */ |
372 | typedef struct |
452 | typedef struct |
373 | { |
453 | { |
374 | WL head; |
454 | WL head; |
375 | } ANFS; |
455 | } ANFS; |
|
|
456 | #endif |
|
|
457 | |
|
|
458 | /* Heap Entry */ |
|
|
459 | #if EV_HEAP_CACHE_AT |
|
|
460 | typedef struct { |
|
|
461 | ev_tstamp at; |
|
|
462 | WT w; |
|
|
463 | } ANHE; |
|
|
464 | |
|
|
465 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
466 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
467 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
468 | #else |
|
|
469 | typedef WT ANHE; |
|
|
470 | |
|
|
471 | #define ANHE_w(he) (he) |
|
|
472 | #define ANHE_at(he) (he)->at |
|
|
473 | #define ANHE_at_cache(he) |
376 | #endif |
474 | #endif |
377 | |
475 | |
378 | #if EV_MULTIPLICITY |
476 | #if EV_MULTIPLICITY |
379 | |
477 | |
380 | struct ev_loop |
478 | struct ev_loop |
… | |
… | |
451 | ts.tv_sec = (time_t)delay; |
549 | ts.tv_sec = (time_t)delay; |
452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
550 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
453 | |
551 | |
454 | nanosleep (&ts, 0); |
552 | nanosleep (&ts, 0); |
455 | #elif defined(_WIN32) |
553 | #elif defined(_WIN32) |
456 | Sleep (delay * 1e3); |
554 | Sleep ((unsigned long)(delay * 1e3)); |
457 | #else |
555 | #else |
458 | struct timeval tv; |
556 | struct timeval tv; |
459 | |
557 | |
460 | tv.tv_sec = (time_t)delay; |
558 | tv.tv_sec = (time_t)delay; |
461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
559 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
… | |
… | |
464 | #endif |
562 | #endif |
465 | } |
563 | } |
466 | } |
564 | } |
467 | |
565 | |
468 | /*****************************************************************************/ |
566 | /*****************************************************************************/ |
|
|
567 | |
|
|
568 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
469 | |
569 | |
470 | int inline_size |
570 | int inline_size |
471 | array_nextsize (int elem, int cur, int cnt) |
571 | array_nextsize (int elem, int cur, int cnt) |
472 | { |
572 | { |
473 | int ncur = cur + 1; |
573 | int ncur = cur + 1; |
474 | |
574 | |
475 | do |
575 | do |
476 | ncur <<= 1; |
576 | ncur <<= 1; |
477 | while (cnt > ncur); |
577 | while (cnt > ncur); |
478 | |
578 | |
479 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
579 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
480 | if (elem * ncur > 4096) |
580 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
481 | { |
581 | { |
482 | ncur *= elem; |
582 | ncur *= elem; |
483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
583 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
484 | ncur = ncur - sizeof (void *) * 4; |
584 | ncur = ncur - sizeof (void *) * 4; |
485 | ncur /= elem; |
585 | ncur /= elem; |
486 | } |
586 | } |
487 | |
587 | |
488 | return ncur; |
588 | return ncur; |
… | |
… | |
702 | } |
802 | } |
703 | } |
803 | } |
704 | |
804 | |
705 | /*****************************************************************************/ |
805 | /*****************************************************************************/ |
706 | |
806 | |
|
|
807 | /* |
|
|
808 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
809 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
810 | * the branching factor of the d-tree. |
|
|
811 | */ |
|
|
812 | |
|
|
813 | /* |
|
|
814 | * at the moment we allow libev the luxury of two heaps, |
|
|
815 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
816 | * which is more cache-efficient. |
|
|
817 | * the difference is about 5% with 50000+ watchers. |
|
|
818 | */ |
|
|
819 | #if EV_USE_4HEAP |
|
|
820 | |
|
|
821 | #define DHEAP 4 |
|
|
822 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
823 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
824 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
825 | |
|
|
826 | /* away from the root */ |
707 | void inline_speed |
827 | void inline_speed |
708 | upheap (WT *heap, int k) |
828 | downheap (ANHE *heap, int N, int k) |
709 | { |
829 | { |
710 | WT w = heap [k]; |
830 | ANHE he = heap [k]; |
|
|
831 | ANHE *E = heap + N + HEAP0; |
711 | |
832 | |
712 | while (k) |
833 | for (;;) |
713 | { |
834 | { |
714 | int p = (k - 1) >> 1; |
835 | ev_tstamp minat; |
|
|
836 | ANHE *minpos; |
|
|
837 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
715 | |
838 | |
716 | if (heap [p]->at <= w->at) |
839 | /* find minimum child */ |
|
|
840 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
841 | { |
|
|
842 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
843 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
844 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
845 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
846 | } |
|
|
847 | else if (pos < E) |
|
|
848 | { |
|
|
849 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
850 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
851 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
852 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
853 | } |
|
|
854 | else |
717 | break; |
855 | break; |
718 | |
856 | |
|
|
857 | if (ANHE_at (he) <= minat) |
|
|
858 | break; |
|
|
859 | |
|
|
860 | heap [k] = *minpos; |
|
|
861 | ev_active (ANHE_w (*minpos)) = k; |
|
|
862 | |
|
|
863 | k = minpos - heap; |
|
|
864 | } |
|
|
865 | |
|
|
866 | heap [k] = he; |
|
|
867 | ev_active (ANHE_w (he)) = k; |
|
|
868 | } |
|
|
869 | |
|
|
870 | #else /* 4HEAP */ |
|
|
871 | |
|
|
872 | #define HEAP0 1 |
|
|
873 | #define HPARENT(k) ((k) >> 1) |
|
|
874 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
875 | |
|
|
876 | /* away from the root */ |
|
|
877 | void inline_speed |
|
|
878 | downheap (ANHE *heap, int N, int k) |
|
|
879 | { |
|
|
880 | ANHE he = heap [k]; |
|
|
881 | |
|
|
882 | for (;;) |
|
|
883 | { |
|
|
884 | int c = k << 1; |
|
|
885 | |
|
|
886 | if (c > N + HEAP0 - 1) |
|
|
887 | break; |
|
|
888 | |
|
|
889 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
890 | ? 1 : 0; |
|
|
891 | |
|
|
892 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
893 | break; |
|
|
894 | |
|
|
895 | heap [k] = heap [c]; |
|
|
896 | ev_active (ANHE_w (heap [k])) = k; |
|
|
897 | |
|
|
898 | k = c; |
|
|
899 | } |
|
|
900 | |
|
|
901 | heap [k] = he; |
|
|
902 | ev_active (ANHE_w (he)) = k; |
|
|
903 | } |
|
|
904 | #endif |
|
|
905 | |
|
|
906 | /* towards the root */ |
|
|
907 | void inline_speed |
|
|
908 | upheap (ANHE *heap, int k) |
|
|
909 | { |
|
|
910 | ANHE he = heap [k]; |
|
|
911 | |
|
|
912 | for (;;) |
|
|
913 | { |
|
|
914 | int p = HPARENT (k); |
|
|
915 | |
|
|
916 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
917 | break; |
|
|
918 | |
719 | heap [k] = heap [p]; |
919 | heap [k] = heap [p]; |
720 | ((W)heap [k])->active = k + 1; |
920 | ev_active (ANHE_w (heap [k])) = k; |
721 | k = p; |
921 | k = p; |
722 | } |
922 | } |
723 | |
923 | |
724 | heap [k] = w; |
924 | heap [k] = he; |
725 | ((W)heap [k])->active = k + 1; |
925 | ev_active (ANHE_w (he)) = k; |
726 | } |
|
|
727 | |
|
|
728 | void inline_speed |
|
|
729 | downheap (WT *heap, int N, int k) |
|
|
730 | { |
|
|
731 | WT w = heap [k]; |
|
|
732 | |
|
|
733 | for (;;) |
|
|
734 | { |
|
|
735 | int c = (k << 1) + 1; |
|
|
736 | |
|
|
737 | if (c >= N) |
|
|
738 | break; |
|
|
739 | |
|
|
740 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
741 | ? 1 : 0; |
|
|
742 | |
|
|
743 | if (w->at <= heap [c]->at) |
|
|
744 | break; |
|
|
745 | |
|
|
746 | heap [k] = heap [c]; |
|
|
747 | ((W)heap [k])->active = k + 1; |
|
|
748 | |
|
|
749 | k = c; |
|
|
750 | } |
|
|
751 | |
|
|
752 | heap [k] = w; |
|
|
753 | ((W)heap [k])->active = k + 1; |
|
|
754 | } |
926 | } |
755 | |
927 | |
756 | void inline_size |
928 | void inline_size |
757 | adjustheap (WT *heap, int N, int k) |
929 | adjustheap (ANHE *heap, int N, int k) |
758 | { |
930 | { |
|
|
931 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
759 | upheap (heap, k); |
932 | upheap (heap, k); |
|
|
933 | else |
760 | downheap (heap, N, k); |
934 | downheap (heap, N, k); |
|
|
935 | } |
|
|
936 | |
|
|
937 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
938 | void inline_size |
|
|
939 | reheap (ANHE *heap, int N) |
|
|
940 | { |
|
|
941 | int i; |
|
|
942 | |
|
|
943 | /* 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 */ |
|
|
945 | for (i = 0; i < N; ++i) |
|
|
946 | upheap (heap, i + HEAP0); |
761 | } |
947 | } |
762 | |
948 | |
763 | /*****************************************************************************/ |
949 | /*****************************************************************************/ |
764 | |
950 | |
765 | typedef struct |
951 | typedef struct |
… | |
… | |
802 | static void noinline |
988 | static void noinline |
803 | evpipe_init (EV_P) |
989 | evpipe_init (EV_P) |
804 | { |
990 | { |
805 | if (!ev_is_active (&pipeev)) |
991 | if (!ev_is_active (&pipeev)) |
806 | { |
992 | { |
|
|
993 | #if EV_USE_EVENTFD |
|
|
994 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
995 | { |
|
|
996 | evpipe [0] = -1; |
|
|
997 | fd_intern (evfd); |
|
|
998 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
999 | } |
|
|
1000 | else |
|
|
1001 | #endif |
|
|
1002 | { |
807 | while (pipe (evpipe)) |
1003 | while (pipe (evpipe)) |
808 | syserr ("(libev) error creating signal/async pipe"); |
1004 | syserr ("(libev) error creating signal/async pipe"); |
809 | |
1005 | |
810 | fd_intern (evpipe [0]); |
1006 | fd_intern (evpipe [0]); |
811 | fd_intern (evpipe [1]); |
1007 | fd_intern (evpipe [1]); |
812 | |
|
|
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1008 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
1009 | } |
|
|
1010 | |
814 | ev_io_start (EV_A_ &pipeev); |
1011 | ev_io_start (EV_A_ &pipeev); |
815 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1012 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
816 | } |
1013 | } |
817 | } |
1014 | } |
818 | |
1015 | |
819 | void inline_size |
1016 | void inline_size |
820 | evpipe_write (EV_P_ int sig, int async) |
1017 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
821 | { |
1018 | { |
822 | if (!(gotasync || gotsig)) |
1019 | if (!*flag) |
823 | { |
1020 | { |
824 | int old_errno = errno; /* save errno becaue write might clobber it */ |
1021 | int old_errno = errno; /* save errno because write might clobber it */ |
825 | |
1022 | |
826 | if (sig) gotsig = 1; |
1023 | *flag = 1; |
827 | if (async) gotasync = 1; |
|
|
828 | |
1024 | |
|
|
1025 | #if EV_USE_EVENTFD |
|
|
1026 | if (evfd >= 0) |
|
|
1027 | { |
|
|
1028 | uint64_t counter = 1; |
|
|
1029 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1030 | } |
|
|
1031 | else |
|
|
1032 | #endif |
829 | write (evpipe [1], &old_errno, 1); |
1033 | write (evpipe [1], &old_errno, 1); |
830 | |
1034 | |
831 | errno = old_errno; |
1035 | errno = old_errno; |
832 | } |
1036 | } |
833 | } |
1037 | } |
834 | |
1038 | |
835 | static void |
1039 | static void |
836 | pipecb (EV_P_ ev_io *iow, int revents) |
1040 | pipecb (EV_P_ ev_io *iow, int revents) |
837 | { |
1041 | { |
|
|
1042 | #if EV_USE_EVENTFD |
|
|
1043 | if (evfd >= 0) |
838 | { |
1044 | { |
839 | int dummy; |
1045 | uint64_t counter; |
|
|
1046 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1047 | } |
|
|
1048 | else |
|
|
1049 | #endif |
|
|
1050 | { |
|
|
1051 | char dummy; |
840 | read (evpipe [0], &dummy, 1); |
1052 | read (evpipe [0], &dummy, 1); |
841 | } |
1053 | } |
842 | |
1054 | |
843 | if (gotsig) |
1055 | if (gotsig && ev_is_default_loop (EV_A)) |
844 | { |
1056 | { |
845 | int signum; |
1057 | int signum; |
846 | gotsig = 0; |
1058 | gotsig = 0; |
847 | |
1059 | |
848 | for (signum = signalmax; signum--; ) |
1060 | for (signum = signalmax; signum--; ) |
… | |
… | |
867 | } |
1079 | } |
868 | |
1080 | |
869 | /*****************************************************************************/ |
1081 | /*****************************************************************************/ |
870 | |
1082 | |
871 | static void |
1083 | static void |
872 | sighandler (int signum) |
1084 | ev_sighandler (int signum) |
873 | { |
1085 | { |
874 | #if EV_MULTIPLICITY |
1086 | #if EV_MULTIPLICITY |
875 | struct ev_loop *loop = &default_loop_struct; |
1087 | struct ev_loop *loop = &default_loop_struct; |
876 | #endif |
1088 | #endif |
877 | |
1089 | |
878 | #if _WIN32 |
1090 | #if _WIN32 |
879 | signal (signum, sighandler); |
1091 | signal (signum, ev_sighandler); |
880 | #endif |
1092 | #endif |
881 | |
1093 | |
882 | signals [signum - 1].gotsig = 1; |
1094 | signals [signum - 1].gotsig = 1; |
883 | evpipe_write (EV_A_ 1, 0); |
1095 | evpipe_write (EV_A_ &gotsig); |
884 | } |
1096 | } |
885 | |
1097 | |
886 | void noinline |
1098 | void noinline |
887 | ev_feed_signal_event (EV_P_ int signum) |
1099 | ev_feed_signal_event (EV_P_ int signum) |
888 | { |
1100 | { |
… | |
… | |
914 | #ifndef WIFCONTINUED |
1126 | #ifndef WIFCONTINUED |
915 | # define WIFCONTINUED(status) 0 |
1127 | # define WIFCONTINUED(status) 0 |
916 | #endif |
1128 | #endif |
917 | |
1129 | |
918 | void inline_speed |
1130 | void inline_speed |
919 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1131 | child_reap (EV_P_ int chain, int pid, int status) |
920 | { |
1132 | { |
921 | ev_child *w; |
1133 | ev_child *w; |
922 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1134 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
923 | |
1135 | |
924 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1136 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
925 | { |
1137 | { |
926 | if ((w->pid == pid || !w->pid) |
1138 | if ((w->pid == pid || !w->pid) |
927 | && (!traced || (w->flags & 1))) |
1139 | && (!traced || (w->flags & 1))) |
928 | { |
1140 | { |
929 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1141 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
930 | w->rpid = pid; |
1142 | w->rpid = pid; |
931 | w->rstatus = status; |
1143 | w->rstatus = status; |
932 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1144 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
933 | } |
1145 | } |
934 | } |
1146 | } |
… | |
… | |
948 | if (!WCONTINUED |
1160 | if (!WCONTINUED |
949 | || errno != EINVAL |
1161 | || errno != EINVAL |
950 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1162 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
951 | return; |
1163 | return; |
952 | |
1164 | |
953 | /* make sure we are called again until all childs have been reaped */ |
1165 | /* make sure we are called again until all children have been reaped */ |
954 | /* we need to do it this way so that the callback gets called before we continue */ |
1166 | /* we need to do it this way so that the callback gets called before we continue */ |
955 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1167 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
956 | |
1168 | |
957 | child_reap (EV_A_ sw, pid, pid, status); |
1169 | child_reap (EV_A_ pid, pid, status); |
958 | if (EV_PID_HASHSIZE > 1) |
1170 | if (EV_PID_HASHSIZE > 1) |
959 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1171 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
960 | } |
1172 | } |
961 | |
1173 | |
962 | #endif |
1174 | #endif |
963 | |
1175 | |
964 | /*****************************************************************************/ |
1176 | /*****************************************************************************/ |
… | |
… | |
1107 | if (!(flags & EVFLAG_NOENV) |
1319 | if (!(flags & EVFLAG_NOENV) |
1108 | && !enable_secure () |
1320 | && !enable_secure () |
1109 | && getenv ("LIBEV_FLAGS")) |
1321 | && getenv ("LIBEV_FLAGS")) |
1110 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1322 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1111 | |
1323 | |
1112 | if (!(flags & 0x0000ffffUL)) |
1324 | if (!(flags & 0x0000ffffU)) |
1113 | flags |= ev_recommended_backends (); |
1325 | flags |= ev_recommended_backends (); |
1114 | |
1326 | |
1115 | #if EV_USE_PORT |
1327 | #if EV_USE_PORT |
1116 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1328 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1117 | #endif |
1329 | #endif |
… | |
… | |
1141 | if (ev_is_active (&pipeev)) |
1353 | if (ev_is_active (&pipeev)) |
1142 | { |
1354 | { |
1143 | ev_ref (EV_A); /* signal watcher */ |
1355 | ev_ref (EV_A); /* signal watcher */ |
1144 | ev_io_stop (EV_A_ &pipeev); |
1356 | ev_io_stop (EV_A_ &pipeev); |
1145 | |
1357 | |
1146 | close (evpipe [0]); evpipe [0] = 0; |
1358 | #if EV_USE_EVENTFD |
1147 | close (evpipe [1]); evpipe [1] = 0; |
1359 | if (evfd >= 0) |
|
|
1360 | close (evfd); |
|
|
1361 | #endif |
|
|
1362 | |
|
|
1363 | if (evpipe [0] >= 0) |
|
|
1364 | { |
|
|
1365 | close (evpipe [0]); |
|
|
1366 | close (evpipe [1]); |
|
|
1367 | } |
1148 | } |
1368 | } |
1149 | |
1369 | |
1150 | #if EV_USE_INOTIFY |
1370 | #if EV_USE_INOTIFY |
1151 | if (fs_fd >= 0) |
1371 | if (fs_fd >= 0) |
1152 | close (fs_fd); |
1372 | close (fs_fd); |
… | |
… | |
1197 | #endif |
1417 | #endif |
1198 | |
1418 | |
1199 | backend = 0; |
1419 | backend = 0; |
1200 | } |
1420 | } |
1201 | |
1421 | |
|
|
1422 | #if EV_USE_INOTIFY |
1202 | void inline_size infy_fork (EV_P); |
1423 | void inline_size infy_fork (EV_P); |
|
|
1424 | #endif |
1203 | |
1425 | |
1204 | void inline_size |
1426 | void inline_size |
1205 | loop_fork (EV_P) |
1427 | loop_fork (EV_P) |
1206 | { |
1428 | { |
1207 | #if EV_USE_PORT |
1429 | #if EV_USE_PORT |
… | |
… | |
1218 | #endif |
1440 | #endif |
1219 | |
1441 | |
1220 | if (ev_is_active (&pipeev)) |
1442 | if (ev_is_active (&pipeev)) |
1221 | { |
1443 | { |
1222 | /* this "locks" the handlers against writing to the pipe */ |
1444 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1445 | /* while we modify the fd vars */ |
|
|
1446 | gotsig = 1; |
|
|
1447 | #if EV_ASYNC_ENABLE |
1223 | gotsig = gotasync = 1; |
1448 | gotasync = 1; |
|
|
1449 | #endif |
1224 | |
1450 | |
1225 | ev_ref (EV_A); |
1451 | ev_ref (EV_A); |
1226 | ev_io_stop (EV_A_ &pipeev); |
1452 | ev_io_stop (EV_A_ &pipeev); |
|
|
1453 | |
|
|
1454 | #if EV_USE_EVENTFD |
|
|
1455 | if (evfd >= 0) |
|
|
1456 | close (evfd); |
|
|
1457 | #endif |
|
|
1458 | |
|
|
1459 | if (evpipe [0] >= 0) |
|
|
1460 | { |
1227 | close (evpipe [0]); |
1461 | close (evpipe [0]); |
1228 | close (evpipe [1]); |
1462 | close (evpipe [1]); |
|
|
1463 | } |
1229 | |
1464 | |
1230 | evpipe_init (EV_A); |
1465 | evpipe_init (EV_A); |
1231 | /* now iterate over everything, in case we missed something */ |
1466 | /* now iterate over everything, in case we missed something */ |
1232 | pipecb (EV_A_ &pipeev, EV_READ); |
1467 | pipecb (EV_A_ &pipeev, EV_READ); |
1233 | } |
1468 | } |
1234 | |
1469 | |
1235 | postfork = 0; |
1470 | postfork = 0; |
1236 | } |
1471 | } |
1237 | |
1472 | |
1238 | #if EV_MULTIPLICITY |
1473 | #if EV_MULTIPLICITY |
|
|
1474 | |
1239 | struct ev_loop * |
1475 | struct ev_loop * |
1240 | ev_loop_new (unsigned int flags) |
1476 | ev_loop_new (unsigned int flags) |
1241 | { |
1477 | { |
1242 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1478 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1243 | |
1479 | |
… | |
… | |
1262 | ev_loop_fork (EV_P) |
1498 | ev_loop_fork (EV_P) |
1263 | { |
1499 | { |
1264 | postfork = 1; /* must be in line with ev_default_fork */ |
1500 | postfork = 1; /* must be in line with ev_default_fork */ |
1265 | } |
1501 | } |
1266 | |
1502 | |
|
|
1503 | #if EV_VERIFY |
|
|
1504 | void noinline |
|
|
1505 | verify_watcher (EV_P_ W w) |
|
|
1506 | { |
|
|
1507 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1508 | |
|
|
1509 | if (w->pending) |
|
|
1510 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1511 | } |
|
|
1512 | |
|
|
1513 | static void noinline |
|
|
1514 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1515 | { |
|
|
1516 | int i; |
|
|
1517 | |
|
|
1518 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1519 | { |
|
|
1520 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1521 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1522 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1523 | |
|
|
1524 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1525 | } |
|
|
1526 | } |
|
|
1527 | |
|
|
1528 | static void noinline |
|
|
1529 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1530 | { |
|
|
1531 | while (cnt--) |
|
|
1532 | { |
|
|
1533 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1534 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1535 | } |
|
|
1536 | } |
|
|
1537 | #endif |
|
|
1538 | |
|
|
1539 | void |
|
|
1540 | ev_loop_verify (EV_P) |
|
|
1541 | { |
|
|
1542 | #if EV_VERIFY |
|
|
1543 | int i; |
|
|
1544 | WL w; |
|
|
1545 | |
|
|
1546 | assert (activecnt >= -1); |
|
|
1547 | |
|
|
1548 | assert (fdchangemax >= fdchangecnt); |
|
|
1549 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1550 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1551 | |
|
|
1552 | assert (anfdmax >= 0); |
|
|
1553 | for (i = 0; i < anfdmax; ++i) |
|
|
1554 | for (w = anfds [i].head; w; w = w->next) |
|
|
1555 | { |
|
|
1556 | verify_watcher (EV_A_ (W)w); |
|
|
1557 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1558 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1559 | } |
|
|
1560 | |
|
|
1561 | assert (timermax >= timercnt); |
|
|
1562 | verify_heap (EV_A_ timers, timercnt); |
|
|
1563 | |
|
|
1564 | #if EV_PERIODIC_ENABLE |
|
|
1565 | assert (periodicmax >= periodiccnt); |
|
|
1566 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1567 | #endif |
|
|
1568 | |
|
|
1569 | for (i = NUMPRI; i--; ) |
|
|
1570 | { |
|
|
1571 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1572 | #if EV_IDLE_ENABLE |
|
|
1573 | assert (idleall >= 0); |
|
|
1574 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1575 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1576 | #endif |
|
|
1577 | } |
|
|
1578 | |
|
|
1579 | #if EV_FORK_ENABLE |
|
|
1580 | assert (forkmax >= forkcnt); |
|
|
1581 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1582 | #endif |
|
|
1583 | |
|
|
1584 | #if EV_ASYNC_ENABLE |
|
|
1585 | assert (asyncmax >= asynccnt); |
|
|
1586 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1587 | #endif |
|
|
1588 | |
|
|
1589 | assert (preparemax >= preparecnt); |
|
|
1590 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1591 | |
|
|
1592 | assert (checkmax >= checkcnt); |
|
|
1593 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1594 | |
|
|
1595 | # if 0 |
|
|
1596 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1597 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1267 | #endif |
1598 | # endif |
|
|
1599 | #endif |
|
|
1600 | } |
|
|
1601 | |
|
|
1602 | #endif /* multiplicity */ |
1268 | |
1603 | |
1269 | #if EV_MULTIPLICITY |
1604 | #if EV_MULTIPLICITY |
1270 | struct ev_loop * |
1605 | struct ev_loop * |
1271 | ev_default_loop_init (unsigned int flags) |
1606 | ev_default_loop_init (unsigned int flags) |
1272 | #else |
1607 | #else |
… | |
… | |
1348 | { |
1683 | { |
1349 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1684 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1350 | |
1685 | |
1351 | p->w->pending = 0; |
1686 | p->w->pending = 0; |
1352 | EV_CB_INVOKE (p->w, p->events); |
1687 | EV_CB_INVOKE (p->w, p->events); |
|
|
1688 | EV_FREQUENT_CHECK; |
1353 | } |
1689 | } |
1354 | } |
1690 | } |
1355 | } |
1691 | } |
1356 | |
|
|
1357 | void inline_size |
|
|
1358 | timers_reify (EV_P) |
|
|
1359 | { |
|
|
1360 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1361 | { |
|
|
1362 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1363 | |
|
|
1364 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1365 | |
|
|
1366 | /* first reschedule or stop timer */ |
|
|
1367 | if (w->repeat) |
|
|
1368 | { |
|
|
1369 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1370 | |
|
|
1371 | ((WT)w)->at += w->repeat; |
|
|
1372 | if (((WT)w)->at < mn_now) |
|
|
1373 | ((WT)w)->at = mn_now; |
|
|
1374 | |
|
|
1375 | downheap (timers, timercnt, 0); |
|
|
1376 | } |
|
|
1377 | else |
|
|
1378 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1379 | |
|
|
1380 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1381 | } |
|
|
1382 | } |
|
|
1383 | |
|
|
1384 | #if EV_PERIODIC_ENABLE |
|
|
1385 | void inline_size |
|
|
1386 | periodics_reify (EV_P) |
|
|
1387 | { |
|
|
1388 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1389 | { |
|
|
1390 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1391 | |
|
|
1392 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1393 | |
|
|
1394 | /* first reschedule or stop timer */ |
|
|
1395 | if (w->reschedule_cb) |
|
|
1396 | { |
|
|
1397 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1398 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1399 | downheap (periodics, periodiccnt, 0); |
|
|
1400 | } |
|
|
1401 | else if (w->interval) |
|
|
1402 | { |
|
|
1403 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1404 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1405 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1406 | downheap (periodics, periodiccnt, 0); |
|
|
1407 | } |
|
|
1408 | else |
|
|
1409 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1410 | |
|
|
1411 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1412 | } |
|
|
1413 | } |
|
|
1414 | |
|
|
1415 | static void noinline |
|
|
1416 | periodics_reschedule (EV_P) |
|
|
1417 | { |
|
|
1418 | int i; |
|
|
1419 | |
|
|
1420 | /* adjust periodics after time jump */ |
|
|
1421 | for (i = 0; i < periodiccnt; ++i) |
|
|
1422 | { |
|
|
1423 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1424 | |
|
|
1425 | if (w->reschedule_cb) |
|
|
1426 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1427 | else if (w->interval) |
|
|
1428 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1429 | } |
|
|
1430 | |
|
|
1431 | /* now rebuild the heap */ |
|
|
1432 | for (i = periodiccnt >> 1; i--; ) |
|
|
1433 | downheap (periodics, periodiccnt, i); |
|
|
1434 | } |
|
|
1435 | #endif |
|
|
1436 | |
1692 | |
1437 | #if EV_IDLE_ENABLE |
1693 | #if EV_IDLE_ENABLE |
1438 | void inline_size |
1694 | void inline_size |
1439 | idle_reify (EV_P) |
1695 | idle_reify (EV_P) |
1440 | { |
1696 | { |
… | |
… | |
1452 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1708 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1453 | break; |
1709 | break; |
1454 | } |
1710 | } |
1455 | } |
1711 | } |
1456 | } |
1712 | } |
|
|
1713 | } |
|
|
1714 | #endif |
|
|
1715 | |
|
|
1716 | void inline_size |
|
|
1717 | timers_reify (EV_P) |
|
|
1718 | { |
|
|
1719 | EV_FREQUENT_CHECK; |
|
|
1720 | |
|
|
1721 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1722 | { |
|
|
1723 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1724 | |
|
|
1725 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1726 | |
|
|
1727 | /* first reschedule or stop timer */ |
|
|
1728 | if (w->repeat) |
|
|
1729 | { |
|
|
1730 | ev_at (w) += w->repeat; |
|
|
1731 | if (ev_at (w) < mn_now) |
|
|
1732 | ev_at (w) = mn_now; |
|
|
1733 | |
|
|
1734 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1735 | |
|
|
1736 | ANHE_at_cache (timers [HEAP0]); |
|
|
1737 | downheap (timers, timercnt, HEAP0); |
|
|
1738 | } |
|
|
1739 | else |
|
|
1740 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1741 | |
|
|
1742 | EV_FREQUENT_CHECK; |
|
|
1743 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1744 | } |
|
|
1745 | } |
|
|
1746 | |
|
|
1747 | #if EV_PERIODIC_ENABLE |
|
|
1748 | void inline_size |
|
|
1749 | periodics_reify (EV_P) |
|
|
1750 | { |
|
|
1751 | EV_FREQUENT_CHECK; |
|
|
1752 | |
|
|
1753 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1754 | { |
|
|
1755 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1756 | |
|
|
1757 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1758 | |
|
|
1759 | /* first reschedule or stop timer */ |
|
|
1760 | if (w->reschedule_cb) |
|
|
1761 | { |
|
|
1762 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1763 | |
|
|
1764 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1765 | |
|
|
1766 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1767 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1768 | } |
|
|
1769 | else if (w->interval) |
|
|
1770 | { |
|
|
1771 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1772 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1773 | /* this might happen because of floating point inexactness */ |
|
|
1774 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1775 | { |
|
|
1776 | ev_at (w) += w->interval; |
|
|
1777 | |
|
|
1778 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1779 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1780 | /* has effectively asked to get triggered more often than possible */ |
|
|
1781 | if (ev_at (w) < ev_rt_now) |
|
|
1782 | ev_at (w) = ev_rt_now; |
|
|
1783 | } |
|
|
1784 | |
|
|
1785 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1786 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1787 | } |
|
|
1788 | else |
|
|
1789 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1790 | |
|
|
1791 | EV_FREQUENT_CHECK; |
|
|
1792 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1793 | } |
|
|
1794 | } |
|
|
1795 | |
|
|
1796 | static void noinline |
|
|
1797 | periodics_reschedule (EV_P) |
|
|
1798 | { |
|
|
1799 | int i; |
|
|
1800 | |
|
|
1801 | /* adjust periodics after time jump */ |
|
|
1802 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1803 | { |
|
|
1804 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1805 | |
|
|
1806 | if (w->reschedule_cb) |
|
|
1807 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1808 | else if (w->interval) |
|
|
1809 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1810 | |
|
|
1811 | ANHE_at_cache (periodics [i]); |
|
|
1812 | } |
|
|
1813 | |
|
|
1814 | reheap (periodics, periodiccnt); |
1457 | } |
1815 | } |
1458 | #endif |
1816 | #endif |
1459 | |
1817 | |
1460 | void inline_speed |
1818 | void inline_speed |
1461 | time_update (EV_P_ ev_tstamp max_block) |
1819 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1490 | */ |
1848 | */ |
1491 | for (i = 4; --i; ) |
1849 | for (i = 4; --i; ) |
1492 | { |
1850 | { |
1493 | rtmn_diff = ev_rt_now - mn_now; |
1851 | rtmn_diff = ev_rt_now - mn_now; |
1494 | |
1852 | |
1495 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1853 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1496 | return; /* all is well */ |
1854 | return; /* all is well */ |
1497 | |
1855 | |
1498 | ev_rt_now = ev_time (); |
1856 | ev_rt_now = ev_time (); |
1499 | mn_now = get_clock (); |
1857 | mn_now = get_clock (); |
1500 | now_floor = mn_now; |
1858 | now_floor = mn_now; |
… | |
… | |
1516 | #if EV_PERIODIC_ENABLE |
1874 | #if EV_PERIODIC_ENABLE |
1517 | periodics_reschedule (EV_A); |
1875 | periodics_reschedule (EV_A); |
1518 | #endif |
1876 | #endif |
1519 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1877 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1520 | for (i = 0; i < timercnt; ++i) |
1878 | for (i = 0; i < timercnt; ++i) |
|
|
1879 | { |
|
|
1880 | ANHE *he = timers + i + HEAP0; |
1521 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1881 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1882 | ANHE_at_cache (*he); |
|
|
1883 | } |
1522 | } |
1884 | } |
1523 | |
1885 | |
1524 | mn_now = ev_rt_now; |
1886 | mn_now = ev_rt_now; |
1525 | } |
1887 | } |
1526 | } |
1888 | } |
… | |
… | |
1540 | static int loop_done; |
1902 | static int loop_done; |
1541 | |
1903 | |
1542 | void |
1904 | void |
1543 | ev_loop (EV_P_ int flags) |
1905 | ev_loop (EV_P_ int flags) |
1544 | { |
1906 | { |
1545 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1907 | loop_done = EVUNLOOP_CANCEL; |
1546 | ? EVUNLOOP_ONE |
|
|
1547 | : EVUNLOOP_CANCEL; |
|
|
1548 | |
1908 | |
1549 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1909 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1550 | |
1910 | |
1551 | do |
1911 | do |
1552 | { |
1912 | { |
|
|
1913 | #if EV_VERIFY >= 2 |
|
|
1914 | ev_loop_verify (EV_A); |
|
|
1915 | #endif |
|
|
1916 | |
1553 | #ifndef _WIN32 |
1917 | #ifndef _WIN32 |
1554 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1918 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1555 | if (expect_false (getpid () != curpid)) |
1919 | if (expect_false (getpid () != curpid)) |
1556 | { |
1920 | { |
1557 | curpid = getpid (); |
1921 | curpid = getpid (); |
… | |
… | |
1598 | |
1962 | |
1599 | waittime = MAX_BLOCKTIME; |
1963 | waittime = MAX_BLOCKTIME; |
1600 | |
1964 | |
1601 | if (timercnt) |
1965 | if (timercnt) |
1602 | { |
1966 | { |
1603 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1967 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1604 | if (waittime > to) waittime = to; |
1968 | if (waittime > to) waittime = to; |
1605 | } |
1969 | } |
1606 | |
1970 | |
1607 | #if EV_PERIODIC_ENABLE |
1971 | #if EV_PERIODIC_ENABLE |
1608 | if (periodiccnt) |
1972 | if (periodiccnt) |
1609 | { |
1973 | { |
1610 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1974 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1611 | if (waittime > to) waittime = to; |
1975 | if (waittime > to) waittime = to; |
1612 | } |
1976 | } |
1613 | #endif |
1977 | #endif |
1614 | |
1978 | |
1615 | if (expect_false (waittime < timeout_blocktime)) |
1979 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1648 | /* queue check watchers, to be executed first */ |
2012 | /* queue check watchers, to be executed first */ |
1649 | if (expect_false (checkcnt)) |
2013 | if (expect_false (checkcnt)) |
1650 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2014 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1651 | |
2015 | |
1652 | call_pending (EV_A); |
2016 | call_pending (EV_A); |
1653 | |
|
|
1654 | } |
2017 | } |
1655 | while (expect_true (activecnt && !loop_done)); |
2018 | while (expect_true ( |
|
|
2019 | activecnt |
|
|
2020 | && !loop_done |
|
|
2021 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
2022 | )); |
1656 | |
2023 | |
1657 | if (loop_done == EVUNLOOP_ONE) |
2024 | if (loop_done == EVUNLOOP_ONE) |
1658 | loop_done = EVUNLOOP_CANCEL; |
2025 | loop_done = EVUNLOOP_CANCEL; |
1659 | } |
2026 | } |
1660 | |
2027 | |
… | |
… | |
1749 | if (expect_false (ev_is_active (w))) |
2116 | if (expect_false (ev_is_active (w))) |
1750 | return; |
2117 | return; |
1751 | |
2118 | |
1752 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2119 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1753 | |
2120 | |
|
|
2121 | EV_FREQUENT_CHECK; |
|
|
2122 | |
1754 | ev_start (EV_A_ (W)w, 1); |
2123 | ev_start (EV_A_ (W)w, 1); |
1755 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2124 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1756 | wlist_add (&anfds[fd].head, (WL)w); |
2125 | wlist_add (&anfds[fd].head, (WL)w); |
1757 | |
2126 | |
1758 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2127 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1759 | w->events &= ~EV_IOFDSET; |
2128 | w->events &= ~EV_IOFDSET; |
|
|
2129 | |
|
|
2130 | EV_FREQUENT_CHECK; |
1760 | } |
2131 | } |
1761 | |
2132 | |
1762 | void noinline |
2133 | void noinline |
1763 | ev_io_stop (EV_P_ ev_io *w) |
2134 | ev_io_stop (EV_P_ ev_io *w) |
1764 | { |
2135 | { |
1765 | clear_pending (EV_A_ (W)w); |
2136 | clear_pending (EV_A_ (W)w); |
1766 | if (expect_false (!ev_is_active (w))) |
2137 | if (expect_false (!ev_is_active (w))) |
1767 | return; |
2138 | return; |
1768 | |
2139 | |
1769 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2140 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2141 | |
|
|
2142 | EV_FREQUENT_CHECK; |
1770 | |
2143 | |
1771 | wlist_del (&anfds[w->fd].head, (WL)w); |
2144 | wlist_del (&anfds[w->fd].head, (WL)w); |
1772 | ev_stop (EV_A_ (W)w); |
2145 | ev_stop (EV_A_ (W)w); |
1773 | |
2146 | |
1774 | fd_change (EV_A_ w->fd, 1); |
2147 | fd_change (EV_A_ w->fd, 1); |
|
|
2148 | |
|
|
2149 | EV_FREQUENT_CHECK; |
1775 | } |
2150 | } |
1776 | |
2151 | |
1777 | void noinline |
2152 | void noinline |
1778 | ev_timer_start (EV_P_ ev_timer *w) |
2153 | ev_timer_start (EV_P_ ev_timer *w) |
1779 | { |
2154 | { |
1780 | if (expect_false (ev_is_active (w))) |
2155 | if (expect_false (ev_is_active (w))) |
1781 | return; |
2156 | return; |
1782 | |
2157 | |
1783 | ((WT)w)->at += mn_now; |
2158 | ev_at (w) += mn_now; |
1784 | |
2159 | |
1785 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2160 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1786 | |
2161 | |
|
|
2162 | EV_FREQUENT_CHECK; |
|
|
2163 | |
|
|
2164 | ++timercnt; |
1787 | ev_start (EV_A_ (W)w, ++timercnt); |
2165 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1788 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2166 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1789 | timers [timercnt - 1] = (WT)w; |
2167 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1790 | upheap (timers, timercnt - 1); |
2168 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2169 | upheap (timers, ev_active (w)); |
1791 | |
2170 | |
|
|
2171 | EV_FREQUENT_CHECK; |
|
|
2172 | |
1792 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2173 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1793 | } |
2174 | } |
1794 | |
2175 | |
1795 | void noinline |
2176 | void noinline |
1796 | ev_timer_stop (EV_P_ ev_timer *w) |
2177 | ev_timer_stop (EV_P_ ev_timer *w) |
1797 | { |
2178 | { |
1798 | clear_pending (EV_A_ (W)w); |
2179 | clear_pending (EV_A_ (W)w); |
1799 | if (expect_false (!ev_is_active (w))) |
2180 | if (expect_false (!ev_is_active (w))) |
1800 | return; |
2181 | return; |
1801 | |
2182 | |
1802 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2183 | EV_FREQUENT_CHECK; |
1803 | |
2184 | |
1804 | { |
2185 | { |
1805 | int active = ((W)w)->active; |
2186 | int active = ev_active (w); |
1806 | |
2187 | |
|
|
2188 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2189 | |
|
|
2190 | --timercnt; |
|
|
2191 | |
1807 | if (expect_true (--active < --timercnt)) |
2192 | if (expect_true (active < timercnt + HEAP0)) |
1808 | { |
2193 | { |
1809 | timers [active] = timers [timercnt]; |
2194 | timers [active] = timers [timercnt + HEAP0]; |
1810 | adjustheap (timers, timercnt, active); |
2195 | adjustheap (timers, timercnt, active); |
1811 | } |
2196 | } |
1812 | } |
2197 | } |
1813 | |
2198 | |
1814 | ((WT)w)->at -= mn_now; |
2199 | EV_FREQUENT_CHECK; |
|
|
2200 | |
|
|
2201 | ev_at (w) -= mn_now; |
1815 | |
2202 | |
1816 | ev_stop (EV_A_ (W)w); |
2203 | ev_stop (EV_A_ (W)w); |
1817 | } |
2204 | } |
1818 | |
2205 | |
1819 | void noinline |
2206 | void noinline |
1820 | ev_timer_again (EV_P_ ev_timer *w) |
2207 | ev_timer_again (EV_P_ ev_timer *w) |
1821 | { |
2208 | { |
|
|
2209 | EV_FREQUENT_CHECK; |
|
|
2210 | |
1822 | if (ev_is_active (w)) |
2211 | if (ev_is_active (w)) |
1823 | { |
2212 | { |
1824 | if (w->repeat) |
2213 | if (w->repeat) |
1825 | { |
2214 | { |
1826 | ((WT)w)->at = mn_now + w->repeat; |
2215 | ev_at (w) = mn_now + w->repeat; |
|
|
2216 | ANHE_at_cache (timers [ev_active (w)]); |
1827 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2217 | adjustheap (timers, timercnt, ev_active (w)); |
1828 | } |
2218 | } |
1829 | else |
2219 | else |
1830 | ev_timer_stop (EV_A_ w); |
2220 | ev_timer_stop (EV_A_ w); |
1831 | } |
2221 | } |
1832 | else if (w->repeat) |
2222 | else if (w->repeat) |
1833 | { |
2223 | { |
1834 | w->at = w->repeat; |
2224 | ev_at (w) = w->repeat; |
1835 | ev_timer_start (EV_A_ w); |
2225 | ev_timer_start (EV_A_ w); |
1836 | } |
2226 | } |
|
|
2227 | |
|
|
2228 | EV_FREQUENT_CHECK; |
1837 | } |
2229 | } |
1838 | |
2230 | |
1839 | #if EV_PERIODIC_ENABLE |
2231 | #if EV_PERIODIC_ENABLE |
1840 | void noinline |
2232 | void noinline |
1841 | ev_periodic_start (EV_P_ ev_periodic *w) |
2233 | ev_periodic_start (EV_P_ ev_periodic *w) |
1842 | { |
2234 | { |
1843 | if (expect_false (ev_is_active (w))) |
2235 | if (expect_false (ev_is_active (w))) |
1844 | return; |
2236 | return; |
1845 | |
2237 | |
1846 | if (w->reschedule_cb) |
2238 | if (w->reschedule_cb) |
1847 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2239 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1848 | else if (w->interval) |
2240 | else if (w->interval) |
1849 | { |
2241 | { |
1850 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2242 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1851 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2243 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1852 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2244 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1853 | } |
2245 | } |
1854 | else |
2246 | else |
1855 | ((WT)w)->at = w->offset; |
2247 | ev_at (w) = w->offset; |
1856 | |
2248 | |
|
|
2249 | EV_FREQUENT_CHECK; |
|
|
2250 | |
|
|
2251 | ++periodiccnt; |
1857 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2252 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1858 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2253 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1859 | periodics [periodiccnt - 1] = (WT)w; |
2254 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1860 | upheap (periodics, periodiccnt - 1); |
2255 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2256 | upheap (periodics, ev_active (w)); |
1861 | |
2257 | |
|
|
2258 | EV_FREQUENT_CHECK; |
|
|
2259 | |
1862 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2260 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1863 | } |
2261 | } |
1864 | |
2262 | |
1865 | void noinline |
2263 | void noinline |
1866 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2264 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1867 | { |
2265 | { |
1868 | clear_pending (EV_A_ (W)w); |
2266 | clear_pending (EV_A_ (W)w); |
1869 | if (expect_false (!ev_is_active (w))) |
2267 | if (expect_false (!ev_is_active (w))) |
1870 | return; |
2268 | return; |
1871 | |
2269 | |
1872 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2270 | EV_FREQUENT_CHECK; |
1873 | |
2271 | |
1874 | { |
2272 | { |
1875 | int active = ((W)w)->active; |
2273 | int active = ev_active (w); |
1876 | |
2274 | |
|
|
2275 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2276 | |
|
|
2277 | --periodiccnt; |
|
|
2278 | |
1877 | if (expect_true (--active < --periodiccnt)) |
2279 | if (expect_true (active < periodiccnt + HEAP0)) |
1878 | { |
2280 | { |
1879 | periodics [active] = periodics [periodiccnt]; |
2281 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1880 | adjustheap (periodics, periodiccnt, active); |
2282 | adjustheap (periodics, periodiccnt, active); |
1881 | } |
2283 | } |
1882 | } |
2284 | } |
1883 | |
2285 | |
|
|
2286 | EV_FREQUENT_CHECK; |
|
|
2287 | |
1884 | ev_stop (EV_A_ (W)w); |
2288 | ev_stop (EV_A_ (W)w); |
1885 | } |
2289 | } |
1886 | |
2290 | |
1887 | void noinline |
2291 | void noinline |
1888 | ev_periodic_again (EV_P_ ev_periodic *w) |
2292 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1907 | return; |
2311 | return; |
1908 | |
2312 | |
1909 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2313 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1910 | |
2314 | |
1911 | evpipe_init (EV_A); |
2315 | evpipe_init (EV_A); |
|
|
2316 | |
|
|
2317 | EV_FREQUENT_CHECK; |
1912 | |
2318 | |
1913 | { |
2319 | { |
1914 | #ifndef _WIN32 |
2320 | #ifndef _WIN32 |
1915 | sigset_t full, prev; |
2321 | sigset_t full, prev; |
1916 | sigfillset (&full); |
2322 | sigfillset (&full); |
… | |
… | |
1928 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2334 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1929 | |
2335 | |
1930 | if (!((WL)w)->next) |
2336 | if (!((WL)w)->next) |
1931 | { |
2337 | { |
1932 | #if _WIN32 |
2338 | #if _WIN32 |
1933 | signal (w->signum, sighandler); |
2339 | signal (w->signum, ev_sighandler); |
1934 | #else |
2340 | #else |
1935 | struct sigaction sa; |
2341 | struct sigaction sa; |
1936 | sa.sa_handler = sighandler; |
2342 | sa.sa_handler = ev_sighandler; |
1937 | sigfillset (&sa.sa_mask); |
2343 | sigfillset (&sa.sa_mask); |
1938 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2344 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1939 | sigaction (w->signum, &sa, 0); |
2345 | sigaction (w->signum, &sa, 0); |
1940 | #endif |
2346 | #endif |
1941 | } |
2347 | } |
|
|
2348 | |
|
|
2349 | EV_FREQUENT_CHECK; |
1942 | } |
2350 | } |
1943 | |
2351 | |
1944 | void noinline |
2352 | void noinline |
1945 | ev_signal_stop (EV_P_ ev_signal *w) |
2353 | ev_signal_stop (EV_P_ ev_signal *w) |
1946 | { |
2354 | { |
1947 | clear_pending (EV_A_ (W)w); |
2355 | clear_pending (EV_A_ (W)w); |
1948 | if (expect_false (!ev_is_active (w))) |
2356 | if (expect_false (!ev_is_active (w))) |
1949 | return; |
2357 | return; |
1950 | |
2358 | |
|
|
2359 | EV_FREQUENT_CHECK; |
|
|
2360 | |
1951 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2361 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1952 | ev_stop (EV_A_ (W)w); |
2362 | ev_stop (EV_A_ (W)w); |
1953 | |
2363 | |
1954 | if (!signals [w->signum - 1].head) |
2364 | if (!signals [w->signum - 1].head) |
1955 | signal (w->signum, SIG_DFL); |
2365 | signal (w->signum, SIG_DFL); |
|
|
2366 | |
|
|
2367 | EV_FREQUENT_CHECK; |
1956 | } |
2368 | } |
1957 | |
2369 | |
1958 | void |
2370 | void |
1959 | ev_child_start (EV_P_ ev_child *w) |
2371 | ev_child_start (EV_P_ ev_child *w) |
1960 | { |
2372 | { |
… | |
… | |
1962 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2374 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1963 | #endif |
2375 | #endif |
1964 | if (expect_false (ev_is_active (w))) |
2376 | if (expect_false (ev_is_active (w))) |
1965 | return; |
2377 | return; |
1966 | |
2378 | |
|
|
2379 | EV_FREQUENT_CHECK; |
|
|
2380 | |
1967 | ev_start (EV_A_ (W)w, 1); |
2381 | ev_start (EV_A_ (W)w, 1); |
1968 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2382 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2383 | |
|
|
2384 | EV_FREQUENT_CHECK; |
1969 | } |
2385 | } |
1970 | |
2386 | |
1971 | void |
2387 | void |
1972 | ev_child_stop (EV_P_ ev_child *w) |
2388 | ev_child_stop (EV_P_ ev_child *w) |
1973 | { |
2389 | { |
1974 | clear_pending (EV_A_ (W)w); |
2390 | clear_pending (EV_A_ (W)w); |
1975 | if (expect_false (!ev_is_active (w))) |
2391 | if (expect_false (!ev_is_active (w))) |
1976 | return; |
2392 | return; |
1977 | |
2393 | |
|
|
2394 | EV_FREQUENT_CHECK; |
|
|
2395 | |
1978 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2396 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1979 | ev_stop (EV_A_ (W)w); |
2397 | ev_stop (EV_A_ (W)w); |
|
|
2398 | |
|
|
2399 | EV_FREQUENT_CHECK; |
1980 | } |
2400 | } |
1981 | |
2401 | |
1982 | #if EV_STAT_ENABLE |
2402 | #if EV_STAT_ENABLE |
1983 | |
2403 | |
1984 | # ifdef _WIN32 |
2404 | # ifdef _WIN32 |
… | |
… | |
2002 | if (w->wd < 0) |
2422 | if (w->wd < 0) |
2003 | { |
2423 | { |
2004 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2424 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2005 | |
2425 | |
2006 | /* monitor some parent directory for speedup hints */ |
2426 | /* monitor some parent directory for speedup hints */ |
|
|
2427 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
|
|
2428 | /* but an efficiency issue only */ |
2007 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2429 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2008 | { |
2430 | { |
2009 | char path [4096]; |
2431 | char path [4096]; |
2010 | strcpy (path, w->path); |
2432 | strcpy (path, w->path); |
2011 | |
2433 | |
… | |
… | |
2210 | else |
2632 | else |
2211 | #endif |
2633 | #endif |
2212 | ev_timer_start (EV_A_ &w->timer); |
2634 | ev_timer_start (EV_A_ &w->timer); |
2213 | |
2635 | |
2214 | ev_start (EV_A_ (W)w, 1); |
2636 | ev_start (EV_A_ (W)w, 1); |
|
|
2637 | |
|
|
2638 | EV_FREQUENT_CHECK; |
2215 | } |
2639 | } |
2216 | |
2640 | |
2217 | void |
2641 | void |
2218 | ev_stat_stop (EV_P_ ev_stat *w) |
2642 | ev_stat_stop (EV_P_ ev_stat *w) |
2219 | { |
2643 | { |
2220 | clear_pending (EV_A_ (W)w); |
2644 | clear_pending (EV_A_ (W)w); |
2221 | if (expect_false (!ev_is_active (w))) |
2645 | if (expect_false (!ev_is_active (w))) |
2222 | return; |
2646 | return; |
2223 | |
2647 | |
|
|
2648 | EV_FREQUENT_CHECK; |
|
|
2649 | |
2224 | #if EV_USE_INOTIFY |
2650 | #if EV_USE_INOTIFY |
2225 | infy_del (EV_A_ w); |
2651 | infy_del (EV_A_ w); |
2226 | #endif |
2652 | #endif |
2227 | ev_timer_stop (EV_A_ &w->timer); |
2653 | ev_timer_stop (EV_A_ &w->timer); |
2228 | |
2654 | |
2229 | ev_stop (EV_A_ (W)w); |
2655 | ev_stop (EV_A_ (W)w); |
|
|
2656 | |
|
|
2657 | EV_FREQUENT_CHECK; |
2230 | } |
2658 | } |
2231 | #endif |
2659 | #endif |
2232 | |
2660 | |
2233 | #if EV_IDLE_ENABLE |
2661 | #if EV_IDLE_ENABLE |
2234 | void |
2662 | void |
… | |
… | |
2236 | { |
2664 | { |
2237 | if (expect_false (ev_is_active (w))) |
2665 | if (expect_false (ev_is_active (w))) |
2238 | return; |
2666 | return; |
2239 | |
2667 | |
2240 | pri_adjust (EV_A_ (W)w); |
2668 | pri_adjust (EV_A_ (W)w); |
|
|
2669 | |
|
|
2670 | EV_FREQUENT_CHECK; |
2241 | |
2671 | |
2242 | { |
2672 | { |
2243 | int active = ++idlecnt [ABSPRI (w)]; |
2673 | int active = ++idlecnt [ABSPRI (w)]; |
2244 | |
2674 | |
2245 | ++idleall; |
2675 | ++idleall; |
2246 | ev_start (EV_A_ (W)w, active); |
2676 | ev_start (EV_A_ (W)w, active); |
2247 | |
2677 | |
2248 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2678 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2249 | idles [ABSPRI (w)][active - 1] = w; |
2679 | idles [ABSPRI (w)][active - 1] = w; |
2250 | } |
2680 | } |
|
|
2681 | |
|
|
2682 | EV_FREQUENT_CHECK; |
2251 | } |
2683 | } |
2252 | |
2684 | |
2253 | void |
2685 | void |
2254 | ev_idle_stop (EV_P_ ev_idle *w) |
2686 | ev_idle_stop (EV_P_ ev_idle *w) |
2255 | { |
2687 | { |
2256 | clear_pending (EV_A_ (W)w); |
2688 | clear_pending (EV_A_ (W)w); |
2257 | if (expect_false (!ev_is_active (w))) |
2689 | if (expect_false (!ev_is_active (w))) |
2258 | return; |
2690 | return; |
2259 | |
2691 | |
|
|
2692 | EV_FREQUENT_CHECK; |
|
|
2693 | |
2260 | { |
2694 | { |
2261 | int active = ((W)w)->active; |
2695 | int active = ev_active (w); |
2262 | |
2696 | |
2263 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2697 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2264 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2698 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2265 | |
2699 | |
2266 | ev_stop (EV_A_ (W)w); |
2700 | ev_stop (EV_A_ (W)w); |
2267 | --idleall; |
2701 | --idleall; |
2268 | } |
2702 | } |
|
|
2703 | |
|
|
2704 | EV_FREQUENT_CHECK; |
2269 | } |
2705 | } |
2270 | #endif |
2706 | #endif |
2271 | |
2707 | |
2272 | void |
2708 | void |
2273 | ev_prepare_start (EV_P_ ev_prepare *w) |
2709 | ev_prepare_start (EV_P_ ev_prepare *w) |
2274 | { |
2710 | { |
2275 | if (expect_false (ev_is_active (w))) |
2711 | if (expect_false (ev_is_active (w))) |
2276 | return; |
2712 | return; |
|
|
2713 | |
|
|
2714 | EV_FREQUENT_CHECK; |
2277 | |
2715 | |
2278 | ev_start (EV_A_ (W)w, ++preparecnt); |
2716 | ev_start (EV_A_ (W)w, ++preparecnt); |
2279 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2717 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2280 | prepares [preparecnt - 1] = w; |
2718 | prepares [preparecnt - 1] = w; |
|
|
2719 | |
|
|
2720 | EV_FREQUENT_CHECK; |
2281 | } |
2721 | } |
2282 | |
2722 | |
2283 | void |
2723 | void |
2284 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2724 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2285 | { |
2725 | { |
2286 | clear_pending (EV_A_ (W)w); |
2726 | clear_pending (EV_A_ (W)w); |
2287 | if (expect_false (!ev_is_active (w))) |
2727 | if (expect_false (!ev_is_active (w))) |
2288 | return; |
2728 | return; |
2289 | |
2729 | |
|
|
2730 | EV_FREQUENT_CHECK; |
|
|
2731 | |
2290 | { |
2732 | { |
2291 | int active = ((W)w)->active; |
2733 | int active = ev_active (w); |
|
|
2734 | |
2292 | prepares [active - 1] = prepares [--preparecnt]; |
2735 | prepares [active - 1] = prepares [--preparecnt]; |
2293 | ((W)prepares [active - 1])->active = active; |
2736 | ev_active (prepares [active - 1]) = active; |
2294 | } |
2737 | } |
2295 | |
2738 | |
2296 | ev_stop (EV_A_ (W)w); |
2739 | ev_stop (EV_A_ (W)w); |
|
|
2740 | |
|
|
2741 | EV_FREQUENT_CHECK; |
2297 | } |
2742 | } |
2298 | |
2743 | |
2299 | void |
2744 | void |
2300 | ev_check_start (EV_P_ ev_check *w) |
2745 | ev_check_start (EV_P_ ev_check *w) |
2301 | { |
2746 | { |
2302 | if (expect_false (ev_is_active (w))) |
2747 | if (expect_false (ev_is_active (w))) |
2303 | return; |
2748 | return; |
|
|
2749 | |
|
|
2750 | EV_FREQUENT_CHECK; |
2304 | |
2751 | |
2305 | ev_start (EV_A_ (W)w, ++checkcnt); |
2752 | ev_start (EV_A_ (W)w, ++checkcnt); |
2306 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2753 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2307 | checks [checkcnt - 1] = w; |
2754 | checks [checkcnt - 1] = w; |
|
|
2755 | |
|
|
2756 | EV_FREQUENT_CHECK; |
2308 | } |
2757 | } |
2309 | |
2758 | |
2310 | void |
2759 | void |
2311 | ev_check_stop (EV_P_ ev_check *w) |
2760 | ev_check_stop (EV_P_ ev_check *w) |
2312 | { |
2761 | { |
2313 | clear_pending (EV_A_ (W)w); |
2762 | clear_pending (EV_A_ (W)w); |
2314 | if (expect_false (!ev_is_active (w))) |
2763 | if (expect_false (!ev_is_active (w))) |
2315 | return; |
2764 | return; |
2316 | |
2765 | |
|
|
2766 | EV_FREQUENT_CHECK; |
|
|
2767 | |
2317 | { |
2768 | { |
2318 | int active = ((W)w)->active; |
2769 | int active = ev_active (w); |
|
|
2770 | |
2319 | checks [active - 1] = checks [--checkcnt]; |
2771 | checks [active - 1] = checks [--checkcnt]; |
2320 | ((W)checks [active - 1])->active = active; |
2772 | ev_active (checks [active - 1]) = active; |
2321 | } |
2773 | } |
2322 | |
2774 | |
2323 | ev_stop (EV_A_ (W)w); |
2775 | ev_stop (EV_A_ (W)w); |
|
|
2776 | |
|
|
2777 | EV_FREQUENT_CHECK; |
2324 | } |
2778 | } |
2325 | |
2779 | |
2326 | #if EV_EMBED_ENABLE |
2780 | #if EV_EMBED_ENABLE |
2327 | void noinline |
2781 | void noinline |
2328 | ev_embed_sweep (EV_P_ ev_embed *w) |
2782 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2375 | struct ev_loop *loop = w->other; |
2829 | struct ev_loop *loop = w->other; |
2376 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2830 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2377 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2831 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2378 | } |
2832 | } |
2379 | |
2833 | |
|
|
2834 | EV_FREQUENT_CHECK; |
|
|
2835 | |
2380 | ev_set_priority (&w->io, ev_priority (w)); |
2836 | ev_set_priority (&w->io, ev_priority (w)); |
2381 | ev_io_start (EV_A_ &w->io); |
2837 | ev_io_start (EV_A_ &w->io); |
2382 | |
2838 | |
2383 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2839 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2384 | ev_set_priority (&w->prepare, EV_MINPRI); |
2840 | ev_set_priority (&w->prepare, EV_MINPRI); |
2385 | ev_prepare_start (EV_A_ &w->prepare); |
2841 | ev_prepare_start (EV_A_ &w->prepare); |
2386 | |
2842 | |
2387 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2843 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2388 | |
2844 | |
2389 | ev_start (EV_A_ (W)w, 1); |
2845 | ev_start (EV_A_ (W)w, 1); |
|
|
2846 | |
|
|
2847 | EV_FREQUENT_CHECK; |
2390 | } |
2848 | } |
2391 | |
2849 | |
2392 | void |
2850 | void |
2393 | ev_embed_stop (EV_P_ ev_embed *w) |
2851 | ev_embed_stop (EV_P_ ev_embed *w) |
2394 | { |
2852 | { |
2395 | clear_pending (EV_A_ (W)w); |
2853 | clear_pending (EV_A_ (W)w); |
2396 | if (expect_false (!ev_is_active (w))) |
2854 | if (expect_false (!ev_is_active (w))) |
2397 | return; |
2855 | return; |
2398 | |
2856 | |
|
|
2857 | EV_FREQUENT_CHECK; |
|
|
2858 | |
2399 | ev_io_stop (EV_A_ &w->io); |
2859 | ev_io_stop (EV_A_ &w->io); |
2400 | ev_prepare_stop (EV_A_ &w->prepare); |
2860 | ev_prepare_stop (EV_A_ &w->prepare); |
2401 | |
2861 | |
2402 | ev_stop (EV_A_ (W)w); |
2862 | ev_stop (EV_A_ (W)w); |
|
|
2863 | |
|
|
2864 | EV_FREQUENT_CHECK; |
2403 | } |
2865 | } |
2404 | #endif |
2866 | #endif |
2405 | |
2867 | |
2406 | #if EV_FORK_ENABLE |
2868 | #if EV_FORK_ENABLE |
2407 | void |
2869 | void |
2408 | ev_fork_start (EV_P_ ev_fork *w) |
2870 | ev_fork_start (EV_P_ ev_fork *w) |
2409 | { |
2871 | { |
2410 | if (expect_false (ev_is_active (w))) |
2872 | if (expect_false (ev_is_active (w))) |
2411 | return; |
2873 | return; |
|
|
2874 | |
|
|
2875 | EV_FREQUENT_CHECK; |
2412 | |
2876 | |
2413 | ev_start (EV_A_ (W)w, ++forkcnt); |
2877 | ev_start (EV_A_ (W)w, ++forkcnt); |
2414 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2878 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2415 | forks [forkcnt - 1] = w; |
2879 | forks [forkcnt - 1] = w; |
|
|
2880 | |
|
|
2881 | EV_FREQUENT_CHECK; |
2416 | } |
2882 | } |
2417 | |
2883 | |
2418 | void |
2884 | void |
2419 | ev_fork_stop (EV_P_ ev_fork *w) |
2885 | ev_fork_stop (EV_P_ ev_fork *w) |
2420 | { |
2886 | { |
2421 | clear_pending (EV_A_ (W)w); |
2887 | clear_pending (EV_A_ (W)w); |
2422 | if (expect_false (!ev_is_active (w))) |
2888 | if (expect_false (!ev_is_active (w))) |
2423 | return; |
2889 | return; |
2424 | |
2890 | |
|
|
2891 | EV_FREQUENT_CHECK; |
|
|
2892 | |
2425 | { |
2893 | { |
2426 | int active = ((W)w)->active; |
2894 | int active = ev_active (w); |
|
|
2895 | |
2427 | forks [active - 1] = forks [--forkcnt]; |
2896 | forks [active - 1] = forks [--forkcnt]; |
2428 | ((W)forks [active - 1])->active = active; |
2897 | ev_active (forks [active - 1]) = active; |
2429 | } |
2898 | } |
2430 | |
2899 | |
2431 | ev_stop (EV_A_ (W)w); |
2900 | ev_stop (EV_A_ (W)w); |
|
|
2901 | |
|
|
2902 | EV_FREQUENT_CHECK; |
2432 | } |
2903 | } |
2433 | #endif |
2904 | #endif |
2434 | |
2905 | |
2435 | #if EV_ASYNC_ENABLE |
2906 | #if EV_ASYNC_ENABLE |
2436 | void |
2907 | void |
… | |
… | |
2438 | { |
2909 | { |
2439 | if (expect_false (ev_is_active (w))) |
2910 | if (expect_false (ev_is_active (w))) |
2440 | return; |
2911 | return; |
2441 | |
2912 | |
2442 | evpipe_init (EV_A); |
2913 | evpipe_init (EV_A); |
|
|
2914 | |
|
|
2915 | EV_FREQUENT_CHECK; |
2443 | |
2916 | |
2444 | ev_start (EV_A_ (W)w, ++asynccnt); |
2917 | ev_start (EV_A_ (W)w, ++asynccnt); |
2445 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2918 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2446 | asyncs [asynccnt - 1] = w; |
2919 | asyncs [asynccnt - 1] = w; |
|
|
2920 | |
|
|
2921 | EV_FREQUENT_CHECK; |
2447 | } |
2922 | } |
2448 | |
2923 | |
2449 | void |
2924 | void |
2450 | ev_async_stop (EV_P_ ev_async *w) |
2925 | ev_async_stop (EV_P_ ev_async *w) |
2451 | { |
2926 | { |
2452 | clear_pending (EV_A_ (W)w); |
2927 | clear_pending (EV_A_ (W)w); |
2453 | if (expect_false (!ev_is_active (w))) |
2928 | if (expect_false (!ev_is_active (w))) |
2454 | return; |
2929 | return; |
2455 | |
2930 | |
|
|
2931 | EV_FREQUENT_CHECK; |
|
|
2932 | |
2456 | { |
2933 | { |
2457 | int active = ((W)w)->active; |
2934 | int active = ev_active (w); |
|
|
2935 | |
2458 | asyncs [active - 1] = asyncs [--asynccnt]; |
2936 | asyncs [active - 1] = asyncs [--asynccnt]; |
2459 | ((W)asyncs [active - 1])->active = active; |
2937 | ev_active (asyncs [active - 1]) = active; |
2460 | } |
2938 | } |
2461 | |
2939 | |
2462 | ev_stop (EV_A_ (W)w); |
2940 | ev_stop (EV_A_ (W)w); |
|
|
2941 | |
|
|
2942 | EV_FREQUENT_CHECK; |
2463 | } |
2943 | } |
2464 | |
2944 | |
2465 | void |
2945 | void |
2466 | ev_async_send (EV_P_ ev_async *w) |
2946 | ev_async_send (EV_P_ ev_async *w) |
2467 | { |
2947 | { |
2468 | w->sent = 1; |
2948 | w->sent = 1; |
2469 | evpipe_write (EV_A_ 0, 1); |
2949 | evpipe_write (EV_A_ &gotasync); |
2470 | } |
2950 | } |
2471 | #endif |
2951 | #endif |
2472 | |
2952 | |
2473 | /*****************************************************************************/ |
2953 | /*****************************************************************************/ |
2474 | |
2954 | |