… | |
… | |
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 1 |
|
|
242 | # define EV_USE_4HEAP 1 |
|
|
243 | # define EV_HEAP_CACHE_AT 1 |
|
|
244 | #endif |
|
|
245 | |
|
|
246 | #ifndef EV_USE_4HEAP |
|
|
247 | # define EV_USE_4HEAP !EV_MINIMAL |
|
|
248 | #endif |
|
|
249 | |
|
|
250 | #ifndef EV_HEAP_CACHE_AT |
|
|
251 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
252 | #endif |
|
|
253 | |
|
|
254 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
216 | |
255 | |
217 | #ifndef CLOCK_MONOTONIC |
256 | #ifndef CLOCK_MONOTONIC |
218 | # undef EV_USE_MONOTONIC |
257 | # undef EV_USE_MONOTONIC |
219 | # define EV_USE_MONOTONIC 0 |
258 | # define EV_USE_MONOTONIC 0 |
220 | #endif |
259 | #endif |
… | |
… | |
241 | |
280 | |
242 | #if EV_SELECT_IS_WINSOCKET |
281 | #if EV_SELECT_IS_WINSOCKET |
243 | # include <winsock.h> |
282 | # include <winsock.h> |
244 | #endif |
283 | #endif |
245 | |
284 | |
|
|
285 | #if EV_USE_EVENTFD |
|
|
286 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
287 | # include <stdint.h> |
|
|
288 | # ifdef __cplusplus |
|
|
289 | extern "C" { |
|
|
290 | # endif |
|
|
291 | int eventfd (unsigned int initval, int flags); |
|
|
292 | # ifdef __cplusplus |
|
|
293 | } |
|
|
294 | # endif |
|
|
295 | #endif |
|
|
296 | |
246 | /**/ |
297 | /**/ |
|
|
298 | |
|
|
299 | /* EV_VERIFY: enable internal consistency checks |
|
|
300 | * undefined or zero: no verification done or available |
|
|
301 | * 1 or higher: ev_loop_verify function available |
|
|
302 | * 2 or higher: ev_loop_verify is called frequently |
|
|
303 | */ |
|
|
304 | #if EV_VERIFY >= 1 |
|
|
305 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
|
306 | #else |
|
|
307 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
308 | #endif |
247 | |
309 | |
248 | /* |
310 | /* |
249 | * This is used to avoid floating point rounding problems. |
311 | * This is used to avoid floating point rounding problems. |
250 | * It is added to ev_rt_now when scheduling periodics |
312 | * It is added to ev_rt_now when scheduling periodics |
251 | * to ensure progress, time-wise, even when rounding |
313 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
325 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
264 | # define noinline __attribute__ ((noinline)) |
326 | # define noinline __attribute__ ((noinline)) |
265 | #else |
327 | #else |
266 | # define expect(expr,value) (expr) |
328 | # define expect(expr,value) (expr) |
267 | # define noinline |
329 | # define noinline |
268 | # if __STDC_VERSION__ < 199901L |
330 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
269 | # define inline |
331 | # define inline |
270 | # endif |
332 | # endif |
271 | #endif |
333 | #endif |
272 | |
334 | |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
335 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
288 | |
350 | |
289 | typedef ev_watcher *W; |
351 | typedef ev_watcher *W; |
290 | typedef ev_watcher_list *WL; |
352 | typedef ev_watcher_list *WL; |
291 | typedef ev_watcher_time *WT; |
353 | typedef ev_watcher_time *WT; |
292 | |
354 | |
|
|
355 | #define ev_active(w) ((W)(w))->active |
|
|
356 | #define ev_at(w) ((WT)(w))->at |
|
|
357 | |
293 | #if EV_USE_MONOTONIC |
358 | #if EV_USE_MONOTONIC |
294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
359 | /* 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 */ |
360 | /* giving it a reasonably high chance of working on typical architetcures */ |
296 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
361 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
297 | #endif |
362 | #endif |
… | |
… | |
323 | perror (msg); |
388 | perror (msg); |
324 | abort (); |
389 | abort (); |
325 | } |
390 | } |
326 | } |
391 | } |
327 | |
392 | |
|
|
393 | static void * |
|
|
394 | ev_realloc_emul (void *ptr, long size) |
|
|
395 | { |
|
|
396 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
397 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
|
398 | * the single unix specification, so work around them here. |
|
|
399 | */ |
|
|
400 | |
|
|
401 | if (size) |
|
|
402 | return realloc (ptr, size); |
|
|
403 | |
|
|
404 | free (ptr); |
|
|
405 | return 0; |
|
|
406 | } |
|
|
407 | |
328 | static void *(*alloc)(void *ptr, long size); |
408 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
329 | |
409 | |
330 | void |
410 | void |
331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
411 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
332 | { |
412 | { |
333 | alloc = cb; |
413 | alloc = cb; |
334 | } |
414 | } |
335 | |
415 | |
336 | inline_speed void * |
416 | inline_speed void * |
337 | ev_realloc (void *ptr, long size) |
417 | ev_realloc (void *ptr, long size) |
338 | { |
418 | { |
339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
419 | ptr = alloc (ptr, size); |
340 | |
420 | |
341 | if (!ptr && size) |
421 | if (!ptr && size) |
342 | { |
422 | { |
343 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
423 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
344 | abort (); |
424 | abort (); |
… | |
… | |
367 | W w; |
447 | W w; |
368 | int events; |
448 | int events; |
369 | } ANPENDING; |
449 | } ANPENDING; |
370 | |
450 | |
371 | #if EV_USE_INOTIFY |
451 | #if EV_USE_INOTIFY |
|
|
452 | /* hash table entry per inotify-id */ |
372 | typedef struct |
453 | typedef struct |
373 | { |
454 | { |
374 | WL head; |
455 | WL head; |
375 | } ANFS; |
456 | } ANFS; |
|
|
457 | #endif |
|
|
458 | |
|
|
459 | /* Heap Entry */ |
|
|
460 | #if EV_HEAP_CACHE_AT |
|
|
461 | typedef struct { |
|
|
462 | ev_tstamp at; |
|
|
463 | WT w; |
|
|
464 | } ANHE; |
|
|
465 | |
|
|
466 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
467 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
468 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
469 | #else |
|
|
470 | typedef WT ANHE; |
|
|
471 | |
|
|
472 | #define ANHE_w(he) (he) |
|
|
473 | #define ANHE_at(he) (he)->at |
|
|
474 | #define ANHE_at_cache(he) |
376 | #endif |
475 | #endif |
377 | |
476 | |
378 | #if EV_MULTIPLICITY |
477 | #if EV_MULTIPLICITY |
379 | |
478 | |
380 | struct ev_loop |
479 | struct ev_loop |
… | |
… | |
451 | ts.tv_sec = (time_t)delay; |
550 | ts.tv_sec = (time_t)delay; |
452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
551 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
453 | |
552 | |
454 | nanosleep (&ts, 0); |
553 | nanosleep (&ts, 0); |
455 | #elif defined(_WIN32) |
554 | #elif defined(_WIN32) |
456 | Sleep (delay * 1e3); |
555 | Sleep ((unsigned long)(delay * 1e3)); |
457 | #else |
556 | #else |
458 | struct timeval tv; |
557 | struct timeval tv; |
459 | |
558 | |
460 | tv.tv_sec = (time_t)delay; |
559 | tv.tv_sec = (time_t)delay; |
461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
560 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
… | |
… | |
464 | #endif |
563 | #endif |
465 | } |
564 | } |
466 | } |
565 | } |
467 | |
566 | |
468 | /*****************************************************************************/ |
567 | /*****************************************************************************/ |
|
|
568 | |
|
|
569 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
469 | |
570 | |
470 | int inline_size |
571 | int inline_size |
471 | array_nextsize (int elem, int cur, int cnt) |
572 | array_nextsize (int elem, int cur, int cnt) |
472 | { |
573 | { |
473 | int ncur = cur + 1; |
574 | int ncur = cur + 1; |
474 | |
575 | |
475 | do |
576 | do |
476 | ncur <<= 1; |
577 | ncur <<= 1; |
477 | while (cnt > ncur); |
578 | while (cnt > ncur); |
478 | |
579 | |
479 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
580 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
480 | if (elem * ncur > 4096) |
581 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
481 | { |
582 | { |
482 | ncur *= elem; |
583 | ncur *= elem; |
483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
584 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
484 | ncur = ncur - sizeof (void *) * 4; |
585 | ncur = ncur - sizeof (void *) * 4; |
485 | ncur /= elem; |
586 | ncur /= elem; |
486 | } |
587 | } |
487 | |
588 | |
488 | return ncur; |
589 | return ncur; |
… | |
… | |
702 | } |
803 | } |
703 | } |
804 | } |
704 | |
805 | |
705 | /*****************************************************************************/ |
806 | /*****************************************************************************/ |
706 | |
807 | |
|
|
808 | /* |
|
|
809 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
810 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
811 | * the branching factor of the d-tree. |
|
|
812 | */ |
|
|
813 | |
|
|
814 | /* |
|
|
815 | * at the moment we allow libev the luxury of two heaps, |
|
|
816 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
817 | * which is more cache-efficient. |
|
|
818 | * the difference is about 5% with 50000+ watchers. |
|
|
819 | */ |
|
|
820 | #if EV_USE_4HEAP |
|
|
821 | |
|
|
822 | #define DHEAP 4 |
|
|
823 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
824 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
825 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
826 | |
|
|
827 | /* away from the root */ |
707 | void inline_speed |
828 | void inline_speed |
708 | upheap (WT *heap, int k) |
829 | downheap (ANHE *heap, int N, int k) |
709 | { |
830 | { |
710 | WT w = heap [k]; |
831 | ANHE he = heap [k]; |
|
|
832 | ANHE *E = heap + N + HEAP0; |
711 | |
833 | |
712 | while (k) |
834 | for (;;) |
713 | { |
835 | { |
714 | int p = (k - 1) >> 1; |
836 | ev_tstamp minat; |
|
|
837 | ANHE *minpos; |
|
|
838 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
715 | |
839 | |
716 | if (heap [p]->at <= w->at) |
840 | /* find minimum child */ |
|
|
841 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
842 | { |
|
|
843 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
844 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
845 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
846 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
847 | } |
|
|
848 | else if (pos < E) |
|
|
849 | { |
|
|
850 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
851 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
852 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
853 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
854 | } |
|
|
855 | else |
717 | break; |
856 | break; |
718 | |
857 | |
|
|
858 | if (ANHE_at (he) <= minat) |
|
|
859 | break; |
|
|
860 | |
|
|
861 | heap [k] = *minpos; |
|
|
862 | ev_active (ANHE_w (*minpos)) = k; |
|
|
863 | |
|
|
864 | k = minpos - heap; |
|
|
865 | } |
|
|
866 | |
|
|
867 | heap [k] = he; |
|
|
868 | ev_active (ANHE_w (he)) = k; |
|
|
869 | } |
|
|
870 | |
|
|
871 | #else /* 4HEAP */ |
|
|
872 | |
|
|
873 | #define HEAP0 1 |
|
|
874 | #define HPARENT(k) ((k) >> 1) |
|
|
875 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
876 | |
|
|
877 | /* away from the root */ |
|
|
878 | void inline_speed |
|
|
879 | downheap (ANHE *heap, int N, int k) |
|
|
880 | { |
|
|
881 | ANHE he = heap [k]; |
|
|
882 | |
|
|
883 | for (;;) |
|
|
884 | { |
|
|
885 | int c = k << 1; |
|
|
886 | |
|
|
887 | if (c > N + HEAP0 - 1) |
|
|
888 | break; |
|
|
889 | |
|
|
890 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
891 | ? 1 : 0; |
|
|
892 | |
|
|
893 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
894 | break; |
|
|
895 | |
|
|
896 | heap [k] = heap [c]; |
|
|
897 | ev_active (ANHE_w (heap [k])) = k; |
|
|
898 | |
|
|
899 | k = c; |
|
|
900 | } |
|
|
901 | |
|
|
902 | heap [k] = he; |
|
|
903 | ev_active (ANHE_w (he)) = k; |
|
|
904 | } |
|
|
905 | #endif |
|
|
906 | |
|
|
907 | /* towards the root */ |
|
|
908 | void inline_speed |
|
|
909 | upheap (ANHE *heap, int k) |
|
|
910 | { |
|
|
911 | ANHE he = heap [k]; |
|
|
912 | |
|
|
913 | for (;;) |
|
|
914 | { |
|
|
915 | int p = HPARENT (k); |
|
|
916 | |
|
|
917 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
918 | break; |
|
|
919 | |
719 | heap [k] = heap [p]; |
920 | heap [k] = heap [p]; |
720 | ((W)heap [k])->active = k + 1; |
921 | ev_active (ANHE_w (heap [k])) = k; |
721 | k = p; |
922 | k = p; |
722 | } |
923 | } |
723 | |
924 | |
724 | heap [k] = w; |
925 | heap [k] = he; |
725 | ((W)heap [k])->active = k + 1; |
926 | 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 | } |
927 | } |
755 | |
928 | |
756 | void inline_size |
929 | void inline_size |
757 | adjustheap (WT *heap, int N, int k) |
930 | adjustheap (ANHE *heap, int N, int k) |
758 | { |
931 | { |
|
|
932 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
759 | upheap (heap, k); |
933 | upheap (heap, k); |
|
|
934 | else |
760 | downheap (heap, N, k); |
935 | downheap (heap, N, k); |
761 | } |
936 | } |
|
|
937 | |
|
|
938 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
939 | void inline_size |
|
|
940 | reheap (ANHE *heap, int N) |
|
|
941 | { |
|
|
942 | int i; |
|
|
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); |
|
|
947 | } |
|
|
948 | |
|
|
949 | #if EV_VERIFY |
|
|
950 | static void |
|
|
951 | checkheap (ANHE *heap, int N) |
|
|
952 | { |
|
|
953 | int i; |
|
|
954 | |
|
|
955 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
956 | { |
|
|
957 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
958 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
959 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
960 | } |
|
|
961 | } |
|
|
962 | #endif |
762 | |
963 | |
763 | /*****************************************************************************/ |
964 | /*****************************************************************************/ |
764 | |
965 | |
765 | typedef struct |
966 | typedef struct |
766 | { |
967 | { |
… | |
… | |
802 | static void noinline |
1003 | static void noinline |
803 | evpipe_init (EV_P) |
1004 | evpipe_init (EV_P) |
804 | { |
1005 | { |
805 | if (!ev_is_active (&pipeev)) |
1006 | if (!ev_is_active (&pipeev)) |
806 | { |
1007 | { |
|
|
1008 | #if EV_USE_EVENTFD |
|
|
1009 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
1010 | { |
|
|
1011 | evpipe [0] = -1; |
|
|
1012 | fd_intern (evfd); |
|
|
1013 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
1014 | } |
|
|
1015 | else |
|
|
1016 | #endif |
|
|
1017 | { |
807 | while (pipe (evpipe)) |
1018 | while (pipe (evpipe)) |
808 | syserr ("(libev) error creating signal/async pipe"); |
1019 | syserr ("(libev) error creating signal/async pipe"); |
809 | |
1020 | |
810 | fd_intern (evpipe [0]); |
1021 | fd_intern (evpipe [0]); |
811 | fd_intern (evpipe [1]); |
1022 | fd_intern (evpipe [1]); |
812 | |
|
|
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1023 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
1024 | } |
|
|
1025 | |
814 | ev_io_start (EV_A_ &pipeev); |
1026 | ev_io_start (EV_A_ &pipeev); |
815 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1027 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
816 | } |
1028 | } |
817 | } |
1029 | } |
818 | |
1030 | |
… | |
… | |
822 | if (!*flag) |
1034 | if (!*flag) |
823 | { |
1035 | { |
824 | int old_errno = errno; /* save errno because write might clobber it */ |
1036 | int old_errno = errno; /* save errno because write might clobber it */ |
825 | |
1037 | |
826 | *flag = 1; |
1038 | *flag = 1; |
|
|
1039 | |
|
|
1040 | #if EV_USE_EVENTFD |
|
|
1041 | if (evfd >= 0) |
|
|
1042 | { |
|
|
1043 | uint64_t counter = 1; |
|
|
1044 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1045 | } |
|
|
1046 | else |
|
|
1047 | #endif |
827 | write (evpipe [1], &old_errno, 1); |
1048 | write (evpipe [1], &old_errno, 1); |
828 | |
1049 | |
829 | errno = old_errno; |
1050 | errno = old_errno; |
830 | } |
1051 | } |
831 | } |
1052 | } |
832 | |
1053 | |
833 | static void |
1054 | static void |
834 | pipecb (EV_P_ ev_io *iow, int revents) |
1055 | pipecb (EV_P_ ev_io *iow, int revents) |
835 | { |
1056 | { |
|
|
1057 | #if EV_USE_EVENTFD |
|
|
1058 | if (evfd >= 0) |
836 | { |
1059 | { |
837 | int dummy; |
1060 | uint64_t counter; |
|
|
1061 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1062 | } |
|
|
1063 | else |
|
|
1064 | #endif |
|
|
1065 | { |
|
|
1066 | char dummy; |
838 | read (evpipe [0], &dummy, 1); |
1067 | read (evpipe [0], &dummy, 1); |
839 | } |
1068 | } |
840 | |
1069 | |
841 | if (gotsig && ev_is_default_loop (EV_A)) |
1070 | if (gotsig && ev_is_default_loop (EV_A)) |
842 | { |
1071 | { |
843 | int signum; |
1072 | int signum; |
844 | gotsig = 0; |
1073 | gotsig = 0; |
… | |
… | |
865 | } |
1094 | } |
866 | |
1095 | |
867 | /*****************************************************************************/ |
1096 | /*****************************************************************************/ |
868 | |
1097 | |
869 | static void |
1098 | static void |
870 | sighandler (int signum) |
1099 | ev_sighandler (int signum) |
871 | { |
1100 | { |
872 | #if EV_MULTIPLICITY |
1101 | #if EV_MULTIPLICITY |
873 | struct ev_loop *loop = &default_loop_struct; |
1102 | struct ev_loop *loop = &default_loop_struct; |
874 | #endif |
1103 | #endif |
875 | |
1104 | |
876 | #if _WIN32 |
1105 | #if _WIN32 |
877 | signal (signum, sighandler); |
1106 | signal (signum, ev_sighandler); |
878 | #endif |
1107 | #endif |
879 | |
1108 | |
880 | signals [signum - 1].gotsig = 1; |
1109 | signals [signum - 1].gotsig = 1; |
881 | evpipe_write (EV_A_ &gotsig); |
1110 | evpipe_write (EV_A_ &gotsig); |
882 | } |
1111 | } |
… | |
… | |
912 | #ifndef WIFCONTINUED |
1141 | #ifndef WIFCONTINUED |
913 | # define WIFCONTINUED(status) 0 |
1142 | # define WIFCONTINUED(status) 0 |
914 | #endif |
1143 | #endif |
915 | |
1144 | |
916 | void inline_speed |
1145 | void inline_speed |
917 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1146 | child_reap (EV_P_ int chain, int pid, int status) |
918 | { |
1147 | { |
919 | ev_child *w; |
1148 | ev_child *w; |
920 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1149 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
921 | |
1150 | |
922 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1151 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
923 | { |
1152 | { |
924 | if ((w->pid == pid || !w->pid) |
1153 | if ((w->pid == pid || !w->pid) |
925 | && (!traced || (w->flags & 1))) |
1154 | && (!traced || (w->flags & 1))) |
926 | { |
1155 | { |
927 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1156 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
928 | w->rpid = pid; |
1157 | w->rpid = pid; |
929 | w->rstatus = status; |
1158 | w->rstatus = status; |
930 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1159 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
931 | } |
1160 | } |
932 | } |
1161 | } |
… | |
… | |
946 | if (!WCONTINUED |
1175 | if (!WCONTINUED |
947 | || errno != EINVAL |
1176 | || errno != EINVAL |
948 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1177 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
949 | return; |
1178 | return; |
950 | |
1179 | |
951 | /* make sure we are called again until all childs have been reaped */ |
1180 | /* make sure we are called again until all children have been reaped */ |
952 | /* we need to do it this way so that the callback gets called before we continue */ |
1181 | /* we need to do it this way so that the callback gets called before we continue */ |
953 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1182 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
954 | |
1183 | |
955 | child_reap (EV_A_ sw, pid, pid, status); |
1184 | child_reap (EV_A_ pid, pid, status); |
956 | if (EV_PID_HASHSIZE > 1) |
1185 | if (EV_PID_HASHSIZE > 1) |
957 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1186 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
958 | } |
1187 | } |
959 | |
1188 | |
960 | #endif |
1189 | #endif |
961 | |
1190 | |
962 | /*****************************************************************************/ |
1191 | /*****************************************************************************/ |
… | |
… | |
1105 | if (!(flags & EVFLAG_NOENV) |
1334 | if (!(flags & EVFLAG_NOENV) |
1106 | && !enable_secure () |
1335 | && !enable_secure () |
1107 | && getenv ("LIBEV_FLAGS")) |
1336 | && getenv ("LIBEV_FLAGS")) |
1108 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1337 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1109 | |
1338 | |
1110 | if (!(flags & 0x0000ffffUL)) |
1339 | if (!(flags & 0x0000ffffU)) |
1111 | flags |= ev_recommended_backends (); |
1340 | flags |= ev_recommended_backends (); |
1112 | |
1341 | |
1113 | #if EV_USE_PORT |
1342 | #if EV_USE_PORT |
1114 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1343 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1115 | #endif |
1344 | #endif |
… | |
… | |
1139 | if (ev_is_active (&pipeev)) |
1368 | if (ev_is_active (&pipeev)) |
1140 | { |
1369 | { |
1141 | ev_ref (EV_A); /* signal watcher */ |
1370 | ev_ref (EV_A); /* signal watcher */ |
1142 | ev_io_stop (EV_A_ &pipeev); |
1371 | ev_io_stop (EV_A_ &pipeev); |
1143 | |
1372 | |
1144 | close (evpipe [0]); evpipe [0] = 0; |
1373 | #if EV_USE_EVENTFD |
1145 | close (evpipe [1]); evpipe [1] = 0; |
1374 | if (evfd >= 0) |
|
|
1375 | close (evfd); |
|
|
1376 | #endif |
|
|
1377 | |
|
|
1378 | if (evpipe [0] >= 0) |
|
|
1379 | { |
|
|
1380 | close (evpipe [0]); |
|
|
1381 | close (evpipe [1]); |
|
|
1382 | } |
1146 | } |
1383 | } |
1147 | |
1384 | |
1148 | #if EV_USE_INOTIFY |
1385 | #if EV_USE_INOTIFY |
1149 | if (fs_fd >= 0) |
1386 | if (fs_fd >= 0) |
1150 | close (fs_fd); |
1387 | close (fs_fd); |
… | |
… | |
1195 | #endif |
1432 | #endif |
1196 | |
1433 | |
1197 | backend = 0; |
1434 | backend = 0; |
1198 | } |
1435 | } |
1199 | |
1436 | |
|
|
1437 | #if EV_USE_INOTIFY |
1200 | void inline_size infy_fork (EV_P); |
1438 | void inline_size infy_fork (EV_P); |
|
|
1439 | #endif |
1201 | |
1440 | |
1202 | void inline_size |
1441 | void inline_size |
1203 | loop_fork (EV_P) |
1442 | loop_fork (EV_P) |
1204 | { |
1443 | { |
1205 | #if EV_USE_PORT |
1444 | #if EV_USE_PORT |
… | |
… | |
1224 | gotasync = 1; |
1463 | gotasync = 1; |
1225 | #endif |
1464 | #endif |
1226 | |
1465 | |
1227 | ev_ref (EV_A); |
1466 | ev_ref (EV_A); |
1228 | ev_io_stop (EV_A_ &pipeev); |
1467 | ev_io_stop (EV_A_ &pipeev); |
|
|
1468 | |
|
|
1469 | #if EV_USE_EVENTFD |
|
|
1470 | if (evfd >= 0) |
|
|
1471 | close (evfd); |
|
|
1472 | #endif |
|
|
1473 | |
|
|
1474 | if (evpipe [0] >= 0) |
|
|
1475 | { |
1229 | close (evpipe [0]); |
1476 | close (evpipe [0]); |
1230 | close (evpipe [1]); |
1477 | close (evpipe [1]); |
|
|
1478 | } |
1231 | |
1479 | |
1232 | evpipe_init (EV_A); |
1480 | evpipe_init (EV_A); |
1233 | /* now iterate over everything, in case we missed something */ |
1481 | /* now iterate over everything, in case we missed something */ |
1234 | pipecb (EV_A_ &pipeev, EV_READ); |
1482 | pipecb (EV_A_ &pipeev, EV_READ); |
1235 | } |
1483 | } |
… | |
… | |
1263 | void |
1511 | void |
1264 | ev_loop_fork (EV_P) |
1512 | ev_loop_fork (EV_P) |
1265 | { |
1513 | { |
1266 | postfork = 1; /* must be in line with ev_default_fork */ |
1514 | postfork = 1; /* must be in line with ev_default_fork */ |
1267 | } |
1515 | } |
|
|
1516 | |
|
|
1517 | #if EV_VERIFY |
|
|
1518 | static void |
|
|
1519 | array_check (W **ws, int cnt) |
|
|
1520 | { |
|
|
1521 | while (cnt--) |
|
|
1522 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1523 | } |
|
|
1524 | |
|
|
1525 | static void |
|
|
1526 | ev_loop_verify (EV_P) |
|
|
1527 | { |
|
|
1528 | int i; |
|
|
1529 | |
|
|
1530 | checkheap (timers, timercnt); |
|
|
1531 | #if EV_PERIODIC_ENABLE |
|
|
1532 | checkheap (periodics, periodiccnt); |
|
|
1533 | #endif |
|
|
1534 | |
|
|
1535 | #if EV_IDLE_ENABLE |
|
|
1536 | for (i = NUMPRI; i--; ) |
|
|
1537 | array_check ((W **)idles [i], idlecnt [i]); |
|
|
1538 | #endif |
|
|
1539 | #if EV_FORK_ENABLE |
|
|
1540 | array_check ((W **)forks, forkcnt); |
|
|
1541 | #endif |
|
|
1542 | array_check ((W **)prepares, preparecnt); |
|
|
1543 | array_check ((W **)checks, checkcnt); |
|
|
1544 | #if EV_ASYNC_ENABLE |
|
|
1545 | array_check ((W **)asyncs, asynccnt); |
|
|
1546 | #endif |
|
|
1547 | } |
|
|
1548 | #endif |
1268 | |
1549 | |
1269 | #endif |
1550 | #endif |
1270 | |
1551 | |
1271 | #if EV_MULTIPLICITY |
1552 | #if EV_MULTIPLICITY |
1272 | struct ev_loop * |
1553 | struct ev_loop * |
… | |
… | |
1339 | void inline_speed |
1620 | void inline_speed |
1340 | call_pending (EV_P) |
1621 | call_pending (EV_P) |
1341 | { |
1622 | { |
1342 | int pri; |
1623 | int pri; |
1343 | |
1624 | |
|
|
1625 | EV_FREQUENT_CHECK; |
|
|
1626 | |
1344 | for (pri = NUMPRI; pri--; ) |
1627 | for (pri = NUMPRI; pri--; ) |
1345 | while (pendingcnt [pri]) |
1628 | while (pendingcnt [pri]) |
1346 | { |
1629 | { |
1347 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1630 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1348 | |
1631 | |
… | |
… | |
1352 | |
1635 | |
1353 | p->w->pending = 0; |
1636 | p->w->pending = 0; |
1354 | EV_CB_INVOKE (p->w, p->events); |
1637 | EV_CB_INVOKE (p->w, p->events); |
1355 | } |
1638 | } |
1356 | } |
1639 | } |
1357 | } |
|
|
1358 | |
1640 | |
1359 | void inline_size |
1641 | EV_FREQUENT_CHECK; |
1360 | timers_reify (EV_P) |
|
|
1361 | { |
|
|
1362 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1363 | { |
|
|
1364 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1365 | |
|
|
1366 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1367 | |
|
|
1368 | /* first reschedule or stop timer */ |
|
|
1369 | if (w->repeat) |
|
|
1370 | { |
|
|
1371 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1372 | |
|
|
1373 | ((WT)w)->at += w->repeat; |
|
|
1374 | if (((WT)w)->at < mn_now) |
|
|
1375 | ((WT)w)->at = mn_now; |
|
|
1376 | |
|
|
1377 | downheap (timers, timercnt, 0); |
|
|
1378 | } |
|
|
1379 | else |
|
|
1380 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1381 | |
|
|
1382 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1383 | } |
|
|
1384 | } |
1642 | } |
1385 | |
|
|
1386 | #if EV_PERIODIC_ENABLE |
|
|
1387 | void inline_size |
|
|
1388 | periodics_reify (EV_P) |
|
|
1389 | { |
|
|
1390 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1391 | { |
|
|
1392 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1393 | |
|
|
1394 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1395 | |
|
|
1396 | /* first reschedule or stop timer */ |
|
|
1397 | if (w->reschedule_cb) |
|
|
1398 | { |
|
|
1399 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1400 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1401 | downheap (periodics, periodiccnt, 0); |
|
|
1402 | } |
|
|
1403 | else if (w->interval) |
|
|
1404 | { |
|
|
1405 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1406 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1407 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1408 | downheap (periodics, periodiccnt, 0); |
|
|
1409 | } |
|
|
1410 | else |
|
|
1411 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1412 | |
|
|
1413 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1414 | } |
|
|
1415 | } |
|
|
1416 | |
|
|
1417 | static void noinline |
|
|
1418 | periodics_reschedule (EV_P) |
|
|
1419 | { |
|
|
1420 | int i; |
|
|
1421 | |
|
|
1422 | /* adjust periodics after time jump */ |
|
|
1423 | for (i = 0; i < periodiccnt; ++i) |
|
|
1424 | { |
|
|
1425 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1426 | |
|
|
1427 | if (w->reschedule_cb) |
|
|
1428 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1429 | else if (w->interval) |
|
|
1430 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1431 | } |
|
|
1432 | |
|
|
1433 | /* now rebuild the heap */ |
|
|
1434 | for (i = periodiccnt >> 1; i--; ) |
|
|
1435 | downheap (periodics, periodiccnt, i); |
|
|
1436 | } |
|
|
1437 | #endif |
|
|
1438 | |
1643 | |
1439 | #if EV_IDLE_ENABLE |
1644 | #if EV_IDLE_ENABLE |
1440 | void inline_size |
1645 | void inline_size |
1441 | idle_reify (EV_P) |
1646 | idle_reify (EV_P) |
1442 | { |
1647 | { |
… | |
… | |
1454 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1659 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1455 | break; |
1660 | break; |
1456 | } |
1661 | } |
1457 | } |
1662 | } |
1458 | } |
1663 | } |
|
|
1664 | } |
|
|
1665 | #endif |
|
|
1666 | |
|
|
1667 | void inline_size |
|
|
1668 | timers_reify (EV_P) |
|
|
1669 | { |
|
|
1670 | EV_FREQUENT_CHECK; |
|
|
1671 | |
|
|
1672 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1673 | { |
|
|
1674 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1675 | |
|
|
1676 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1677 | |
|
|
1678 | /* first reschedule or stop timer */ |
|
|
1679 | if (w->repeat) |
|
|
1680 | { |
|
|
1681 | ev_at (w) += w->repeat; |
|
|
1682 | if (ev_at (w) < mn_now) |
|
|
1683 | ev_at (w) = mn_now; |
|
|
1684 | |
|
|
1685 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1686 | |
|
|
1687 | ANHE_at_cache (timers [HEAP0]); |
|
|
1688 | downheap (timers, timercnt, HEAP0); |
|
|
1689 | } |
|
|
1690 | else |
|
|
1691 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1692 | |
|
|
1693 | EV_FREQUENT_CHECK; |
|
|
1694 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1695 | } |
|
|
1696 | } |
|
|
1697 | |
|
|
1698 | #if EV_PERIODIC_ENABLE |
|
|
1699 | void inline_size |
|
|
1700 | periodics_reify (EV_P) |
|
|
1701 | { |
|
|
1702 | EV_FREQUENT_CHECK; |
|
|
1703 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1704 | { |
|
|
1705 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1706 | |
|
|
1707 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1708 | |
|
|
1709 | /* first reschedule or stop timer */ |
|
|
1710 | if (w->reschedule_cb) |
|
|
1711 | { |
|
|
1712 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1713 | |
|
|
1714 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1715 | |
|
|
1716 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1717 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1718 | EV_FREQUENT_CHECK; |
|
|
1719 | } |
|
|
1720 | else if (w->interval) |
|
|
1721 | { |
|
|
1722 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1723 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1724 | /* this might happen because of floating point inexactness */ |
|
|
1725 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1726 | { |
|
|
1727 | ev_at (w) += w->interval; |
|
|
1728 | |
|
|
1729 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1730 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1731 | /* has effectively asked to get triggered more often than possible */ |
|
|
1732 | if (ev_at (w) < ev_rt_now) |
|
|
1733 | ev_at (w) = ev_rt_now; |
|
|
1734 | } |
|
|
1735 | |
|
|
1736 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1737 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1738 | } |
|
|
1739 | else |
|
|
1740 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1741 | |
|
|
1742 | EV_FREQUENT_CHECK; |
|
|
1743 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1744 | } |
|
|
1745 | } |
|
|
1746 | |
|
|
1747 | static void noinline |
|
|
1748 | periodics_reschedule (EV_P) |
|
|
1749 | { |
|
|
1750 | int i; |
|
|
1751 | |
|
|
1752 | /* adjust periodics after time jump */ |
|
|
1753 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1754 | { |
|
|
1755 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1756 | |
|
|
1757 | if (w->reschedule_cb) |
|
|
1758 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1759 | else if (w->interval) |
|
|
1760 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1761 | |
|
|
1762 | ANHE_at_cache (periodics [i]); |
|
|
1763 | } |
|
|
1764 | |
|
|
1765 | reheap (periodics, periodiccnt); |
1459 | } |
1766 | } |
1460 | #endif |
1767 | #endif |
1461 | |
1768 | |
1462 | void inline_speed |
1769 | void inline_speed |
1463 | time_update (EV_P_ ev_tstamp max_block) |
1770 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1492 | */ |
1799 | */ |
1493 | for (i = 4; --i; ) |
1800 | for (i = 4; --i; ) |
1494 | { |
1801 | { |
1495 | rtmn_diff = ev_rt_now - mn_now; |
1802 | rtmn_diff = ev_rt_now - mn_now; |
1496 | |
1803 | |
1497 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1804 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1498 | return; /* all is well */ |
1805 | return; /* all is well */ |
1499 | |
1806 | |
1500 | ev_rt_now = ev_time (); |
1807 | ev_rt_now = ev_time (); |
1501 | mn_now = get_clock (); |
1808 | mn_now = get_clock (); |
1502 | now_floor = mn_now; |
1809 | now_floor = mn_now; |
… | |
… | |
1518 | #if EV_PERIODIC_ENABLE |
1825 | #if EV_PERIODIC_ENABLE |
1519 | periodics_reschedule (EV_A); |
1826 | periodics_reschedule (EV_A); |
1520 | #endif |
1827 | #endif |
1521 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1828 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1522 | for (i = 0; i < timercnt; ++i) |
1829 | for (i = 0; i < timercnt; ++i) |
|
|
1830 | { |
|
|
1831 | ANHE *he = timers + i + HEAP0; |
1523 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1832 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1833 | ANHE_at_cache (*he); |
|
|
1834 | } |
1524 | } |
1835 | } |
1525 | |
1836 | |
1526 | mn_now = ev_rt_now; |
1837 | mn_now = ev_rt_now; |
1527 | } |
1838 | } |
1528 | } |
1839 | } |
… | |
… | |
1542 | static int loop_done; |
1853 | static int loop_done; |
1543 | |
1854 | |
1544 | void |
1855 | void |
1545 | ev_loop (EV_P_ int flags) |
1856 | ev_loop (EV_P_ int flags) |
1546 | { |
1857 | { |
1547 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1858 | loop_done = EVUNLOOP_CANCEL; |
1548 | ? EVUNLOOP_ONE |
|
|
1549 | : EVUNLOOP_CANCEL; |
|
|
1550 | |
1859 | |
1551 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1860 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1552 | |
1861 | |
1553 | do |
1862 | do |
1554 | { |
1863 | { |
… | |
… | |
1600 | |
1909 | |
1601 | waittime = MAX_BLOCKTIME; |
1910 | waittime = MAX_BLOCKTIME; |
1602 | |
1911 | |
1603 | if (timercnt) |
1912 | if (timercnt) |
1604 | { |
1913 | { |
1605 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1914 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1606 | if (waittime > to) waittime = to; |
1915 | if (waittime > to) waittime = to; |
1607 | } |
1916 | } |
1608 | |
1917 | |
1609 | #if EV_PERIODIC_ENABLE |
1918 | #if EV_PERIODIC_ENABLE |
1610 | if (periodiccnt) |
1919 | if (periodiccnt) |
1611 | { |
1920 | { |
1612 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1921 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1613 | if (waittime > to) waittime = to; |
1922 | if (waittime > to) waittime = to; |
1614 | } |
1923 | } |
1615 | #endif |
1924 | #endif |
1616 | |
1925 | |
1617 | if (expect_false (waittime < timeout_blocktime)) |
1926 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1650 | /* queue check watchers, to be executed first */ |
1959 | /* queue check watchers, to be executed first */ |
1651 | if (expect_false (checkcnt)) |
1960 | if (expect_false (checkcnt)) |
1652 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1961 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1653 | |
1962 | |
1654 | call_pending (EV_A); |
1963 | call_pending (EV_A); |
1655 | |
|
|
1656 | } |
1964 | } |
1657 | while (expect_true (activecnt && !loop_done)); |
1965 | while (expect_true ( |
|
|
1966 | activecnt |
|
|
1967 | && !loop_done |
|
|
1968 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
1969 | )); |
1658 | |
1970 | |
1659 | if (loop_done == EVUNLOOP_ONE) |
1971 | if (loop_done == EVUNLOOP_ONE) |
1660 | loop_done = EVUNLOOP_CANCEL; |
1972 | loop_done = EVUNLOOP_CANCEL; |
1661 | } |
1973 | } |
1662 | |
1974 | |
… | |
… | |
1751 | if (expect_false (ev_is_active (w))) |
2063 | if (expect_false (ev_is_active (w))) |
1752 | return; |
2064 | return; |
1753 | |
2065 | |
1754 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2066 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1755 | |
2067 | |
|
|
2068 | EV_FREQUENT_CHECK; |
|
|
2069 | |
1756 | ev_start (EV_A_ (W)w, 1); |
2070 | ev_start (EV_A_ (W)w, 1); |
1757 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2071 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1758 | wlist_add (&anfds[fd].head, (WL)w); |
2072 | wlist_add (&anfds[fd].head, (WL)w); |
1759 | |
2073 | |
1760 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2074 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1761 | w->events &= ~EV_IOFDSET; |
2075 | w->events &= ~EV_IOFDSET; |
|
|
2076 | |
|
|
2077 | EV_FREQUENT_CHECK; |
1762 | } |
2078 | } |
1763 | |
2079 | |
1764 | void noinline |
2080 | void noinline |
1765 | ev_io_stop (EV_P_ ev_io *w) |
2081 | ev_io_stop (EV_P_ ev_io *w) |
1766 | { |
2082 | { |
1767 | clear_pending (EV_A_ (W)w); |
2083 | clear_pending (EV_A_ (W)w); |
1768 | if (expect_false (!ev_is_active (w))) |
2084 | if (expect_false (!ev_is_active (w))) |
1769 | return; |
2085 | return; |
1770 | |
2086 | |
1771 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2087 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2088 | |
|
|
2089 | EV_FREQUENT_CHECK; |
1772 | |
2090 | |
1773 | wlist_del (&anfds[w->fd].head, (WL)w); |
2091 | wlist_del (&anfds[w->fd].head, (WL)w); |
1774 | ev_stop (EV_A_ (W)w); |
2092 | ev_stop (EV_A_ (W)w); |
1775 | |
2093 | |
1776 | fd_change (EV_A_ w->fd, 1); |
2094 | fd_change (EV_A_ w->fd, 1); |
|
|
2095 | |
|
|
2096 | EV_FREQUENT_CHECK; |
1777 | } |
2097 | } |
1778 | |
2098 | |
1779 | void noinline |
2099 | void noinline |
1780 | ev_timer_start (EV_P_ ev_timer *w) |
2100 | ev_timer_start (EV_P_ ev_timer *w) |
1781 | { |
2101 | { |
1782 | if (expect_false (ev_is_active (w))) |
2102 | if (expect_false (ev_is_active (w))) |
1783 | return; |
2103 | return; |
1784 | |
2104 | |
1785 | ((WT)w)->at += mn_now; |
2105 | ev_at (w) += mn_now; |
1786 | |
2106 | |
1787 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2107 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1788 | |
2108 | |
|
|
2109 | EV_FREQUENT_CHECK; |
|
|
2110 | |
|
|
2111 | ++timercnt; |
1789 | ev_start (EV_A_ (W)w, ++timercnt); |
2112 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1790 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2113 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1791 | timers [timercnt - 1] = (WT)w; |
2114 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1792 | upheap (timers, timercnt - 1); |
2115 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2116 | upheap (timers, ev_active (w)); |
1793 | |
2117 | |
|
|
2118 | EV_FREQUENT_CHECK; |
|
|
2119 | |
1794 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2120 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1795 | } |
2121 | } |
1796 | |
2122 | |
1797 | void noinline |
2123 | void noinline |
1798 | ev_timer_stop (EV_P_ ev_timer *w) |
2124 | ev_timer_stop (EV_P_ ev_timer *w) |
1799 | { |
2125 | { |
1800 | clear_pending (EV_A_ (W)w); |
2126 | clear_pending (EV_A_ (W)w); |
1801 | if (expect_false (!ev_is_active (w))) |
2127 | if (expect_false (!ev_is_active (w))) |
1802 | return; |
2128 | return; |
1803 | |
2129 | |
1804 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2130 | EV_FREQUENT_CHECK; |
1805 | |
2131 | |
1806 | { |
2132 | { |
1807 | int active = ((W)w)->active; |
2133 | int active = ev_active (w); |
1808 | |
2134 | |
|
|
2135 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2136 | |
|
|
2137 | --timercnt; |
|
|
2138 | |
1809 | if (expect_true (--active < --timercnt)) |
2139 | if (expect_true (active < timercnt + HEAP0)) |
1810 | { |
2140 | { |
1811 | timers [active] = timers [timercnt]; |
2141 | timers [active] = timers [timercnt + HEAP0]; |
1812 | adjustheap (timers, timercnt, active); |
2142 | adjustheap (timers, timercnt, active); |
1813 | } |
2143 | } |
1814 | } |
2144 | } |
1815 | |
2145 | |
1816 | ((WT)w)->at -= mn_now; |
2146 | EV_FREQUENT_CHECK; |
|
|
2147 | |
|
|
2148 | ev_at (w) -= mn_now; |
1817 | |
2149 | |
1818 | ev_stop (EV_A_ (W)w); |
2150 | ev_stop (EV_A_ (W)w); |
1819 | } |
2151 | } |
1820 | |
2152 | |
1821 | void noinline |
2153 | void noinline |
1822 | ev_timer_again (EV_P_ ev_timer *w) |
2154 | ev_timer_again (EV_P_ ev_timer *w) |
1823 | { |
2155 | { |
|
|
2156 | EV_FREQUENT_CHECK; |
|
|
2157 | |
1824 | if (ev_is_active (w)) |
2158 | if (ev_is_active (w)) |
1825 | { |
2159 | { |
1826 | if (w->repeat) |
2160 | if (w->repeat) |
1827 | { |
2161 | { |
1828 | ((WT)w)->at = mn_now + w->repeat; |
2162 | ev_at (w) = mn_now + w->repeat; |
|
|
2163 | ANHE_at_cache (timers [ev_active (w)]); |
1829 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2164 | adjustheap (timers, timercnt, ev_active (w)); |
1830 | } |
2165 | } |
1831 | else |
2166 | else |
1832 | ev_timer_stop (EV_A_ w); |
2167 | ev_timer_stop (EV_A_ w); |
1833 | } |
2168 | } |
1834 | else if (w->repeat) |
2169 | else if (w->repeat) |
1835 | { |
2170 | { |
1836 | w->at = w->repeat; |
2171 | ev_at (w) = w->repeat; |
1837 | ev_timer_start (EV_A_ w); |
2172 | ev_timer_start (EV_A_ w); |
1838 | } |
2173 | } |
|
|
2174 | |
|
|
2175 | EV_FREQUENT_CHECK; |
1839 | } |
2176 | } |
1840 | |
2177 | |
1841 | #if EV_PERIODIC_ENABLE |
2178 | #if EV_PERIODIC_ENABLE |
1842 | void noinline |
2179 | void noinline |
1843 | ev_periodic_start (EV_P_ ev_periodic *w) |
2180 | ev_periodic_start (EV_P_ ev_periodic *w) |
1844 | { |
2181 | { |
1845 | if (expect_false (ev_is_active (w))) |
2182 | if (expect_false (ev_is_active (w))) |
1846 | return; |
2183 | return; |
1847 | |
2184 | |
1848 | if (w->reschedule_cb) |
2185 | if (w->reschedule_cb) |
1849 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2186 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1850 | else if (w->interval) |
2187 | else if (w->interval) |
1851 | { |
2188 | { |
1852 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2189 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1853 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2190 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1854 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2191 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1855 | } |
2192 | } |
1856 | else |
2193 | else |
1857 | ((WT)w)->at = w->offset; |
2194 | ev_at (w) = w->offset; |
1858 | |
2195 | |
|
|
2196 | EV_FREQUENT_CHECK; |
|
|
2197 | |
|
|
2198 | ++periodiccnt; |
1859 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2199 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1860 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2200 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1861 | periodics [periodiccnt - 1] = (WT)w; |
2201 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1862 | upheap (periodics, periodiccnt - 1); |
2202 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2203 | upheap (periodics, ev_active (w)); |
1863 | |
2204 | |
|
|
2205 | EV_FREQUENT_CHECK; |
|
|
2206 | |
1864 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2207 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1865 | } |
2208 | } |
1866 | |
2209 | |
1867 | void noinline |
2210 | void noinline |
1868 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2211 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1869 | { |
2212 | { |
1870 | clear_pending (EV_A_ (W)w); |
2213 | clear_pending (EV_A_ (W)w); |
1871 | if (expect_false (!ev_is_active (w))) |
2214 | if (expect_false (!ev_is_active (w))) |
1872 | return; |
2215 | return; |
1873 | |
2216 | |
1874 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2217 | EV_FREQUENT_CHECK; |
1875 | |
2218 | |
1876 | { |
2219 | { |
1877 | int active = ((W)w)->active; |
2220 | int active = ev_active (w); |
1878 | |
2221 | |
|
|
2222 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2223 | |
|
|
2224 | --periodiccnt; |
|
|
2225 | |
1879 | if (expect_true (--active < --periodiccnt)) |
2226 | if (expect_true (active < periodiccnt + HEAP0)) |
1880 | { |
2227 | { |
1881 | periodics [active] = periodics [periodiccnt]; |
2228 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1882 | adjustheap (periodics, periodiccnt, active); |
2229 | adjustheap (periodics, periodiccnt, active); |
1883 | } |
2230 | } |
1884 | } |
2231 | } |
1885 | |
2232 | |
|
|
2233 | EV_FREQUENT_CHECK; |
|
|
2234 | |
1886 | ev_stop (EV_A_ (W)w); |
2235 | ev_stop (EV_A_ (W)w); |
1887 | } |
2236 | } |
1888 | |
2237 | |
1889 | void noinline |
2238 | void noinline |
1890 | ev_periodic_again (EV_P_ ev_periodic *w) |
2239 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1909 | return; |
2258 | return; |
1910 | |
2259 | |
1911 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2260 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1912 | |
2261 | |
1913 | evpipe_init (EV_A); |
2262 | evpipe_init (EV_A); |
|
|
2263 | |
|
|
2264 | EV_FREQUENT_CHECK; |
1914 | |
2265 | |
1915 | { |
2266 | { |
1916 | #ifndef _WIN32 |
2267 | #ifndef _WIN32 |
1917 | sigset_t full, prev; |
2268 | sigset_t full, prev; |
1918 | sigfillset (&full); |
2269 | sigfillset (&full); |
… | |
… | |
1930 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2281 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1931 | |
2282 | |
1932 | if (!((WL)w)->next) |
2283 | if (!((WL)w)->next) |
1933 | { |
2284 | { |
1934 | #if _WIN32 |
2285 | #if _WIN32 |
1935 | signal (w->signum, sighandler); |
2286 | signal (w->signum, ev_sighandler); |
1936 | #else |
2287 | #else |
1937 | struct sigaction sa; |
2288 | struct sigaction sa; |
1938 | sa.sa_handler = sighandler; |
2289 | sa.sa_handler = ev_sighandler; |
1939 | sigfillset (&sa.sa_mask); |
2290 | sigfillset (&sa.sa_mask); |
1940 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2291 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1941 | sigaction (w->signum, &sa, 0); |
2292 | sigaction (w->signum, &sa, 0); |
1942 | #endif |
2293 | #endif |
1943 | } |
2294 | } |
|
|
2295 | |
|
|
2296 | EV_FREQUENT_CHECK; |
1944 | } |
2297 | } |
1945 | |
2298 | |
1946 | void noinline |
2299 | void noinline |
1947 | ev_signal_stop (EV_P_ ev_signal *w) |
2300 | ev_signal_stop (EV_P_ ev_signal *w) |
1948 | { |
2301 | { |
1949 | clear_pending (EV_A_ (W)w); |
2302 | clear_pending (EV_A_ (W)w); |
1950 | if (expect_false (!ev_is_active (w))) |
2303 | if (expect_false (!ev_is_active (w))) |
1951 | return; |
2304 | return; |
1952 | |
2305 | |
|
|
2306 | EV_FREQUENT_CHECK; |
|
|
2307 | |
1953 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2308 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1954 | ev_stop (EV_A_ (W)w); |
2309 | ev_stop (EV_A_ (W)w); |
1955 | |
2310 | |
1956 | if (!signals [w->signum - 1].head) |
2311 | if (!signals [w->signum - 1].head) |
1957 | signal (w->signum, SIG_DFL); |
2312 | signal (w->signum, SIG_DFL); |
|
|
2313 | |
|
|
2314 | EV_FREQUENT_CHECK; |
1958 | } |
2315 | } |
1959 | |
2316 | |
1960 | void |
2317 | void |
1961 | ev_child_start (EV_P_ ev_child *w) |
2318 | ev_child_start (EV_P_ ev_child *w) |
1962 | { |
2319 | { |
… | |
… | |
1964 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2321 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1965 | #endif |
2322 | #endif |
1966 | if (expect_false (ev_is_active (w))) |
2323 | if (expect_false (ev_is_active (w))) |
1967 | return; |
2324 | return; |
1968 | |
2325 | |
|
|
2326 | EV_FREQUENT_CHECK; |
|
|
2327 | |
1969 | ev_start (EV_A_ (W)w, 1); |
2328 | ev_start (EV_A_ (W)w, 1); |
1970 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2329 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2330 | |
|
|
2331 | EV_FREQUENT_CHECK; |
1971 | } |
2332 | } |
1972 | |
2333 | |
1973 | void |
2334 | void |
1974 | ev_child_stop (EV_P_ ev_child *w) |
2335 | ev_child_stop (EV_P_ ev_child *w) |
1975 | { |
2336 | { |
1976 | clear_pending (EV_A_ (W)w); |
2337 | clear_pending (EV_A_ (W)w); |
1977 | if (expect_false (!ev_is_active (w))) |
2338 | if (expect_false (!ev_is_active (w))) |
1978 | return; |
2339 | return; |
1979 | |
2340 | |
|
|
2341 | EV_FREQUENT_CHECK; |
|
|
2342 | |
1980 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2343 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1981 | ev_stop (EV_A_ (W)w); |
2344 | ev_stop (EV_A_ (W)w); |
|
|
2345 | |
|
|
2346 | EV_FREQUENT_CHECK; |
1982 | } |
2347 | } |
1983 | |
2348 | |
1984 | #if EV_STAT_ENABLE |
2349 | #if EV_STAT_ENABLE |
1985 | |
2350 | |
1986 | # ifdef _WIN32 |
2351 | # ifdef _WIN32 |
… | |
… | |
2004 | if (w->wd < 0) |
2369 | if (w->wd < 0) |
2005 | { |
2370 | { |
2006 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2371 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2007 | |
2372 | |
2008 | /* monitor some parent directory for speedup hints */ |
2373 | /* monitor some parent directory for speedup hints */ |
|
|
2374 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
|
|
2375 | /* but an efficiency issue only */ |
2009 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2376 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2010 | { |
2377 | { |
2011 | char path [4096]; |
2378 | char path [4096]; |
2012 | strcpy (path, w->path); |
2379 | strcpy (path, w->path); |
2013 | |
2380 | |
… | |
… | |
2212 | else |
2579 | else |
2213 | #endif |
2580 | #endif |
2214 | ev_timer_start (EV_A_ &w->timer); |
2581 | ev_timer_start (EV_A_ &w->timer); |
2215 | |
2582 | |
2216 | ev_start (EV_A_ (W)w, 1); |
2583 | ev_start (EV_A_ (W)w, 1); |
|
|
2584 | |
|
|
2585 | EV_FREQUENT_CHECK; |
2217 | } |
2586 | } |
2218 | |
2587 | |
2219 | void |
2588 | void |
2220 | ev_stat_stop (EV_P_ ev_stat *w) |
2589 | ev_stat_stop (EV_P_ ev_stat *w) |
2221 | { |
2590 | { |
2222 | clear_pending (EV_A_ (W)w); |
2591 | clear_pending (EV_A_ (W)w); |
2223 | if (expect_false (!ev_is_active (w))) |
2592 | if (expect_false (!ev_is_active (w))) |
2224 | return; |
2593 | return; |
2225 | |
2594 | |
|
|
2595 | EV_FREQUENT_CHECK; |
|
|
2596 | |
2226 | #if EV_USE_INOTIFY |
2597 | #if EV_USE_INOTIFY |
2227 | infy_del (EV_A_ w); |
2598 | infy_del (EV_A_ w); |
2228 | #endif |
2599 | #endif |
2229 | ev_timer_stop (EV_A_ &w->timer); |
2600 | ev_timer_stop (EV_A_ &w->timer); |
2230 | |
2601 | |
2231 | ev_stop (EV_A_ (W)w); |
2602 | ev_stop (EV_A_ (W)w); |
|
|
2603 | |
|
|
2604 | EV_FREQUENT_CHECK; |
2232 | } |
2605 | } |
2233 | #endif |
2606 | #endif |
2234 | |
2607 | |
2235 | #if EV_IDLE_ENABLE |
2608 | #if EV_IDLE_ENABLE |
2236 | void |
2609 | void |
… | |
… | |
2238 | { |
2611 | { |
2239 | if (expect_false (ev_is_active (w))) |
2612 | if (expect_false (ev_is_active (w))) |
2240 | return; |
2613 | return; |
2241 | |
2614 | |
2242 | pri_adjust (EV_A_ (W)w); |
2615 | pri_adjust (EV_A_ (W)w); |
|
|
2616 | |
|
|
2617 | EV_FREQUENT_CHECK; |
2243 | |
2618 | |
2244 | { |
2619 | { |
2245 | int active = ++idlecnt [ABSPRI (w)]; |
2620 | int active = ++idlecnt [ABSPRI (w)]; |
2246 | |
2621 | |
2247 | ++idleall; |
2622 | ++idleall; |
2248 | ev_start (EV_A_ (W)w, active); |
2623 | ev_start (EV_A_ (W)w, active); |
2249 | |
2624 | |
2250 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2625 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2251 | idles [ABSPRI (w)][active - 1] = w; |
2626 | idles [ABSPRI (w)][active - 1] = w; |
2252 | } |
2627 | } |
|
|
2628 | |
|
|
2629 | EV_FREQUENT_CHECK; |
2253 | } |
2630 | } |
2254 | |
2631 | |
2255 | void |
2632 | void |
2256 | ev_idle_stop (EV_P_ ev_idle *w) |
2633 | ev_idle_stop (EV_P_ ev_idle *w) |
2257 | { |
2634 | { |
2258 | clear_pending (EV_A_ (W)w); |
2635 | clear_pending (EV_A_ (W)w); |
2259 | if (expect_false (!ev_is_active (w))) |
2636 | if (expect_false (!ev_is_active (w))) |
2260 | return; |
2637 | return; |
2261 | |
2638 | |
|
|
2639 | EV_FREQUENT_CHECK; |
|
|
2640 | |
2262 | { |
2641 | { |
2263 | int active = ((W)w)->active; |
2642 | int active = ev_active (w); |
2264 | |
2643 | |
2265 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2644 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2266 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2645 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2267 | |
2646 | |
2268 | ev_stop (EV_A_ (W)w); |
2647 | ev_stop (EV_A_ (W)w); |
2269 | --idleall; |
2648 | --idleall; |
2270 | } |
2649 | } |
|
|
2650 | |
|
|
2651 | EV_FREQUENT_CHECK; |
2271 | } |
2652 | } |
2272 | #endif |
2653 | #endif |
2273 | |
2654 | |
2274 | void |
2655 | void |
2275 | ev_prepare_start (EV_P_ ev_prepare *w) |
2656 | ev_prepare_start (EV_P_ ev_prepare *w) |
2276 | { |
2657 | { |
2277 | if (expect_false (ev_is_active (w))) |
2658 | if (expect_false (ev_is_active (w))) |
2278 | return; |
2659 | return; |
|
|
2660 | |
|
|
2661 | EV_FREQUENT_CHECK; |
2279 | |
2662 | |
2280 | ev_start (EV_A_ (W)w, ++preparecnt); |
2663 | ev_start (EV_A_ (W)w, ++preparecnt); |
2281 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2664 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2282 | prepares [preparecnt - 1] = w; |
2665 | prepares [preparecnt - 1] = w; |
|
|
2666 | |
|
|
2667 | EV_FREQUENT_CHECK; |
2283 | } |
2668 | } |
2284 | |
2669 | |
2285 | void |
2670 | void |
2286 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2671 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2287 | { |
2672 | { |
2288 | clear_pending (EV_A_ (W)w); |
2673 | clear_pending (EV_A_ (W)w); |
2289 | if (expect_false (!ev_is_active (w))) |
2674 | if (expect_false (!ev_is_active (w))) |
2290 | return; |
2675 | return; |
2291 | |
2676 | |
|
|
2677 | EV_FREQUENT_CHECK; |
|
|
2678 | |
2292 | { |
2679 | { |
2293 | int active = ((W)w)->active; |
2680 | int active = ev_active (w); |
|
|
2681 | |
2294 | prepares [active - 1] = prepares [--preparecnt]; |
2682 | prepares [active - 1] = prepares [--preparecnt]; |
2295 | ((W)prepares [active - 1])->active = active; |
2683 | ev_active (prepares [active - 1]) = active; |
2296 | } |
2684 | } |
2297 | |
2685 | |
2298 | ev_stop (EV_A_ (W)w); |
2686 | ev_stop (EV_A_ (W)w); |
|
|
2687 | |
|
|
2688 | EV_FREQUENT_CHECK; |
2299 | } |
2689 | } |
2300 | |
2690 | |
2301 | void |
2691 | void |
2302 | ev_check_start (EV_P_ ev_check *w) |
2692 | ev_check_start (EV_P_ ev_check *w) |
2303 | { |
2693 | { |
2304 | if (expect_false (ev_is_active (w))) |
2694 | if (expect_false (ev_is_active (w))) |
2305 | return; |
2695 | return; |
|
|
2696 | |
|
|
2697 | EV_FREQUENT_CHECK; |
2306 | |
2698 | |
2307 | ev_start (EV_A_ (W)w, ++checkcnt); |
2699 | ev_start (EV_A_ (W)w, ++checkcnt); |
2308 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2700 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2309 | checks [checkcnt - 1] = w; |
2701 | checks [checkcnt - 1] = w; |
|
|
2702 | |
|
|
2703 | EV_FREQUENT_CHECK; |
2310 | } |
2704 | } |
2311 | |
2705 | |
2312 | void |
2706 | void |
2313 | ev_check_stop (EV_P_ ev_check *w) |
2707 | ev_check_stop (EV_P_ ev_check *w) |
2314 | { |
2708 | { |
2315 | clear_pending (EV_A_ (W)w); |
2709 | clear_pending (EV_A_ (W)w); |
2316 | if (expect_false (!ev_is_active (w))) |
2710 | if (expect_false (!ev_is_active (w))) |
2317 | return; |
2711 | return; |
2318 | |
2712 | |
|
|
2713 | EV_FREQUENT_CHECK; |
|
|
2714 | |
2319 | { |
2715 | { |
2320 | int active = ((W)w)->active; |
2716 | int active = ev_active (w); |
|
|
2717 | |
2321 | checks [active - 1] = checks [--checkcnt]; |
2718 | checks [active - 1] = checks [--checkcnt]; |
2322 | ((W)checks [active - 1])->active = active; |
2719 | ev_active (checks [active - 1]) = active; |
2323 | } |
2720 | } |
2324 | |
2721 | |
2325 | ev_stop (EV_A_ (W)w); |
2722 | ev_stop (EV_A_ (W)w); |
|
|
2723 | |
|
|
2724 | EV_FREQUENT_CHECK; |
2326 | } |
2725 | } |
2327 | |
2726 | |
2328 | #if EV_EMBED_ENABLE |
2727 | #if EV_EMBED_ENABLE |
2329 | void noinline |
2728 | void noinline |
2330 | ev_embed_sweep (EV_P_ ev_embed *w) |
2729 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2377 | struct ev_loop *loop = w->other; |
2776 | struct ev_loop *loop = w->other; |
2378 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2777 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2379 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2778 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2380 | } |
2779 | } |
2381 | |
2780 | |
|
|
2781 | EV_FREQUENT_CHECK; |
|
|
2782 | |
2382 | ev_set_priority (&w->io, ev_priority (w)); |
2783 | ev_set_priority (&w->io, ev_priority (w)); |
2383 | ev_io_start (EV_A_ &w->io); |
2784 | ev_io_start (EV_A_ &w->io); |
2384 | |
2785 | |
2385 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2786 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2386 | ev_set_priority (&w->prepare, EV_MINPRI); |
2787 | ev_set_priority (&w->prepare, EV_MINPRI); |
2387 | ev_prepare_start (EV_A_ &w->prepare); |
2788 | ev_prepare_start (EV_A_ &w->prepare); |
2388 | |
2789 | |
2389 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2790 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2390 | |
2791 | |
2391 | ev_start (EV_A_ (W)w, 1); |
2792 | ev_start (EV_A_ (W)w, 1); |
|
|
2793 | |
|
|
2794 | EV_FREQUENT_CHECK; |
2392 | } |
2795 | } |
2393 | |
2796 | |
2394 | void |
2797 | void |
2395 | ev_embed_stop (EV_P_ ev_embed *w) |
2798 | ev_embed_stop (EV_P_ ev_embed *w) |
2396 | { |
2799 | { |
2397 | clear_pending (EV_A_ (W)w); |
2800 | clear_pending (EV_A_ (W)w); |
2398 | if (expect_false (!ev_is_active (w))) |
2801 | if (expect_false (!ev_is_active (w))) |
2399 | return; |
2802 | return; |
2400 | |
2803 | |
|
|
2804 | EV_FREQUENT_CHECK; |
|
|
2805 | |
2401 | ev_io_stop (EV_A_ &w->io); |
2806 | ev_io_stop (EV_A_ &w->io); |
2402 | ev_prepare_stop (EV_A_ &w->prepare); |
2807 | ev_prepare_stop (EV_A_ &w->prepare); |
2403 | |
2808 | |
2404 | ev_stop (EV_A_ (W)w); |
2809 | ev_stop (EV_A_ (W)w); |
|
|
2810 | |
|
|
2811 | EV_FREQUENT_CHECK; |
2405 | } |
2812 | } |
2406 | #endif |
2813 | #endif |
2407 | |
2814 | |
2408 | #if EV_FORK_ENABLE |
2815 | #if EV_FORK_ENABLE |
2409 | void |
2816 | void |
2410 | ev_fork_start (EV_P_ ev_fork *w) |
2817 | ev_fork_start (EV_P_ ev_fork *w) |
2411 | { |
2818 | { |
2412 | if (expect_false (ev_is_active (w))) |
2819 | if (expect_false (ev_is_active (w))) |
2413 | return; |
2820 | return; |
|
|
2821 | |
|
|
2822 | EV_FREQUENT_CHECK; |
2414 | |
2823 | |
2415 | ev_start (EV_A_ (W)w, ++forkcnt); |
2824 | ev_start (EV_A_ (W)w, ++forkcnt); |
2416 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2825 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2417 | forks [forkcnt - 1] = w; |
2826 | forks [forkcnt - 1] = w; |
|
|
2827 | |
|
|
2828 | EV_FREQUENT_CHECK; |
2418 | } |
2829 | } |
2419 | |
2830 | |
2420 | void |
2831 | void |
2421 | ev_fork_stop (EV_P_ ev_fork *w) |
2832 | ev_fork_stop (EV_P_ ev_fork *w) |
2422 | { |
2833 | { |
2423 | clear_pending (EV_A_ (W)w); |
2834 | clear_pending (EV_A_ (W)w); |
2424 | if (expect_false (!ev_is_active (w))) |
2835 | if (expect_false (!ev_is_active (w))) |
2425 | return; |
2836 | return; |
2426 | |
2837 | |
|
|
2838 | EV_FREQUENT_CHECK; |
|
|
2839 | |
2427 | { |
2840 | { |
2428 | int active = ((W)w)->active; |
2841 | int active = ev_active (w); |
|
|
2842 | |
2429 | forks [active - 1] = forks [--forkcnt]; |
2843 | forks [active - 1] = forks [--forkcnt]; |
2430 | ((W)forks [active - 1])->active = active; |
2844 | ev_active (forks [active - 1]) = active; |
2431 | } |
2845 | } |
2432 | |
2846 | |
2433 | ev_stop (EV_A_ (W)w); |
2847 | ev_stop (EV_A_ (W)w); |
|
|
2848 | |
|
|
2849 | EV_FREQUENT_CHECK; |
2434 | } |
2850 | } |
2435 | #endif |
2851 | #endif |
2436 | |
2852 | |
2437 | #if EV_ASYNC_ENABLE |
2853 | #if EV_ASYNC_ENABLE |
2438 | void |
2854 | void |
… | |
… | |
2440 | { |
2856 | { |
2441 | if (expect_false (ev_is_active (w))) |
2857 | if (expect_false (ev_is_active (w))) |
2442 | return; |
2858 | return; |
2443 | |
2859 | |
2444 | evpipe_init (EV_A); |
2860 | evpipe_init (EV_A); |
|
|
2861 | |
|
|
2862 | EV_FREQUENT_CHECK; |
2445 | |
2863 | |
2446 | ev_start (EV_A_ (W)w, ++asynccnt); |
2864 | ev_start (EV_A_ (W)w, ++asynccnt); |
2447 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2865 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2448 | asyncs [asynccnt - 1] = w; |
2866 | asyncs [asynccnt - 1] = w; |
|
|
2867 | |
|
|
2868 | EV_FREQUENT_CHECK; |
2449 | } |
2869 | } |
2450 | |
2870 | |
2451 | void |
2871 | void |
2452 | ev_async_stop (EV_P_ ev_async *w) |
2872 | ev_async_stop (EV_P_ ev_async *w) |
2453 | { |
2873 | { |
2454 | clear_pending (EV_A_ (W)w); |
2874 | clear_pending (EV_A_ (W)w); |
2455 | if (expect_false (!ev_is_active (w))) |
2875 | if (expect_false (!ev_is_active (w))) |
2456 | return; |
2876 | return; |
2457 | |
2877 | |
|
|
2878 | EV_FREQUENT_CHECK; |
|
|
2879 | |
2458 | { |
2880 | { |
2459 | int active = ((W)w)->active; |
2881 | int active = ev_active (w); |
|
|
2882 | |
2460 | asyncs [active - 1] = asyncs [--asynccnt]; |
2883 | asyncs [active - 1] = asyncs [--asynccnt]; |
2461 | ((W)asyncs [active - 1])->active = active; |
2884 | ev_active (asyncs [active - 1]) = active; |
2462 | } |
2885 | } |
2463 | |
2886 | |
2464 | ev_stop (EV_A_ (W)w); |
2887 | ev_stop (EV_A_ (W)w); |
|
|
2888 | |
|
|
2889 | EV_FREQUENT_CHECK; |
2465 | } |
2890 | } |
2466 | |
2891 | |
2467 | void |
2892 | void |
2468 | ev_async_send (EV_P_ ev_async *w) |
2893 | ev_async_send (EV_P_ ev_async *w) |
2469 | { |
2894 | { |