… | |
… | |
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); |
761 | } |
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 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
943 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
944 | for (i = 0; i < N; ++i) |
|
|
945 | upheap (heap, i + HEAP0); |
|
|
946 | } |
|
|
947 | |
|
|
948 | #if EV_VERIFY |
|
|
949 | static void |
|
|
950 | checkheap (ANHE *heap, int N) |
|
|
951 | { |
|
|
952 | int i; |
|
|
953 | |
|
|
954 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
955 | { |
|
|
956 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
957 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
958 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
959 | } |
|
|
960 | } |
|
|
961 | #endif |
762 | |
962 | |
763 | /*****************************************************************************/ |
963 | /*****************************************************************************/ |
764 | |
964 | |
765 | typedef struct |
965 | typedef struct |
766 | { |
966 | { |
… | |
… | |
802 | static void noinline |
1002 | static void noinline |
803 | evpipe_init (EV_P) |
1003 | evpipe_init (EV_P) |
804 | { |
1004 | { |
805 | if (!ev_is_active (&pipeev)) |
1005 | if (!ev_is_active (&pipeev)) |
806 | { |
1006 | { |
|
|
1007 | #if EV_USE_EVENTFD |
|
|
1008 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
1009 | { |
|
|
1010 | evpipe [0] = -1; |
|
|
1011 | fd_intern (evfd); |
|
|
1012 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
1013 | } |
|
|
1014 | else |
|
|
1015 | #endif |
|
|
1016 | { |
807 | while (pipe (evpipe)) |
1017 | while (pipe (evpipe)) |
808 | syserr ("(libev) error creating signal/async pipe"); |
1018 | syserr ("(libev) error creating signal/async pipe"); |
809 | |
1019 | |
810 | fd_intern (evpipe [0]); |
1020 | fd_intern (evpipe [0]); |
811 | fd_intern (evpipe [1]); |
1021 | fd_intern (evpipe [1]); |
812 | |
|
|
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1022 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
1023 | } |
|
|
1024 | |
814 | ev_io_start (EV_A_ &pipeev); |
1025 | ev_io_start (EV_A_ &pipeev); |
815 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1026 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
816 | } |
1027 | } |
817 | } |
1028 | } |
818 | |
1029 | |
819 | void inline_size |
1030 | void inline_size |
820 | evpipe_write (EV_P_ int sig, int async) |
1031 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
821 | { |
1032 | { |
822 | if (!(gotasync || gotsig)) |
1033 | if (!*flag) |
823 | { |
1034 | { |
824 | int old_errno = errno; /* save errno becaue write might clobber it */ |
1035 | int old_errno = errno; /* save errno because write might clobber it */ |
825 | |
1036 | |
826 | if (sig) gotsig = 1; |
1037 | *flag = 1; |
827 | if (async) gotasync = 1; |
|
|
828 | |
1038 | |
|
|
1039 | #if EV_USE_EVENTFD |
|
|
1040 | if (evfd >= 0) |
|
|
1041 | { |
|
|
1042 | uint64_t counter = 1; |
|
|
1043 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1044 | } |
|
|
1045 | else |
|
|
1046 | #endif |
829 | write (evpipe [1], &old_errno, 1); |
1047 | write (evpipe [1], &old_errno, 1); |
830 | |
1048 | |
831 | errno = old_errno; |
1049 | errno = old_errno; |
832 | } |
1050 | } |
833 | } |
1051 | } |
834 | |
1052 | |
835 | static void |
1053 | static void |
836 | pipecb (EV_P_ ev_io *iow, int revents) |
1054 | pipecb (EV_P_ ev_io *iow, int revents) |
837 | { |
1055 | { |
|
|
1056 | #if EV_USE_EVENTFD |
|
|
1057 | if (evfd >= 0) |
838 | { |
1058 | { |
839 | int dummy; |
1059 | uint64_t counter; |
|
|
1060 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1061 | } |
|
|
1062 | else |
|
|
1063 | #endif |
|
|
1064 | { |
|
|
1065 | char dummy; |
840 | read (evpipe [0], &dummy, 1); |
1066 | read (evpipe [0], &dummy, 1); |
841 | } |
1067 | } |
842 | |
1068 | |
843 | if (gotsig && ev_is_default_loop (EV_A)) |
1069 | if (gotsig && ev_is_default_loop (EV_A)) |
844 | { |
1070 | { |
845 | int signum; |
1071 | int signum; |
846 | gotsig = 0; |
1072 | gotsig = 0; |
… | |
… | |
867 | } |
1093 | } |
868 | |
1094 | |
869 | /*****************************************************************************/ |
1095 | /*****************************************************************************/ |
870 | |
1096 | |
871 | static void |
1097 | static void |
872 | sighandler (int signum) |
1098 | ev_sighandler (int signum) |
873 | { |
1099 | { |
874 | #if EV_MULTIPLICITY |
1100 | #if EV_MULTIPLICITY |
875 | struct ev_loop *loop = &default_loop_struct; |
1101 | struct ev_loop *loop = &default_loop_struct; |
876 | #endif |
1102 | #endif |
877 | |
1103 | |
878 | #if _WIN32 |
1104 | #if _WIN32 |
879 | signal (signum, sighandler); |
1105 | signal (signum, ev_sighandler); |
880 | #endif |
1106 | #endif |
881 | |
1107 | |
882 | signals [signum - 1].gotsig = 1; |
1108 | signals [signum - 1].gotsig = 1; |
883 | evpipe_write (EV_A_ 1, 0); |
1109 | evpipe_write (EV_A_ &gotsig); |
884 | } |
1110 | } |
885 | |
1111 | |
886 | void noinline |
1112 | void noinline |
887 | ev_feed_signal_event (EV_P_ int signum) |
1113 | ev_feed_signal_event (EV_P_ int signum) |
888 | { |
1114 | { |
… | |
… | |
914 | #ifndef WIFCONTINUED |
1140 | #ifndef WIFCONTINUED |
915 | # define WIFCONTINUED(status) 0 |
1141 | # define WIFCONTINUED(status) 0 |
916 | #endif |
1142 | #endif |
917 | |
1143 | |
918 | void inline_speed |
1144 | void inline_speed |
919 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1145 | child_reap (EV_P_ int chain, int pid, int status) |
920 | { |
1146 | { |
921 | ev_child *w; |
1147 | ev_child *w; |
922 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1148 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
923 | |
1149 | |
924 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1150 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
925 | { |
1151 | { |
926 | if ((w->pid == pid || !w->pid) |
1152 | if ((w->pid == pid || !w->pid) |
927 | && (!traced || (w->flags & 1))) |
1153 | && (!traced || (w->flags & 1))) |
928 | { |
1154 | { |
929 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1155 | 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; |
1156 | w->rpid = pid; |
931 | w->rstatus = status; |
1157 | w->rstatus = status; |
932 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1158 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
933 | } |
1159 | } |
934 | } |
1160 | } |
… | |
… | |
948 | if (!WCONTINUED |
1174 | if (!WCONTINUED |
949 | || errno != EINVAL |
1175 | || errno != EINVAL |
950 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1176 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
951 | return; |
1177 | return; |
952 | |
1178 | |
953 | /* make sure we are called again until all childs have been reaped */ |
1179 | /* 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 */ |
1180 | /* 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); |
1181 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
956 | |
1182 | |
957 | child_reap (EV_A_ sw, pid, pid, status); |
1183 | child_reap (EV_A_ pid, pid, status); |
958 | if (EV_PID_HASHSIZE > 1) |
1184 | 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 */ |
1185 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
960 | } |
1186 | } |
961 | |
1187 | |
962 | #endif |
1188 | #endif |
963 | |
1189 | |
964 | /*****************************************************************************/ |
1190 | /*****************************************************************************/ |
… | |
… | |
1107 | if (!(flags & EVFLAG_NOENV) |
1333 | if (!(flags & EVFLAG_NOENV) |
1108 | && !enable_secure () |
1334 | && !enable_secure () |
1109 | && getenv ("LIBEV_FLAGS")) |
1335 | && getenv ("LIBEV_FLAGS")) |
1110 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1336 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1111 | |
1337 | |
1112 | if (!(flags & 0x0000ffffUL)) |
1338 | if (!(flags & 0x0000ffffU)) |
1113 | flags |= ev_recommended_backends (); |
1339 | flags |= ev_recommended_backends (); |
1114 | |
1340 | |
1115 | #if EV_USE_PORT |
1341 | #if EV_USE_PORT |
1116 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1342 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1117 | #endif |
1343 | #endif |
… | |
… | |
1141 | if (ev_is_active (&pipeev)) |
1367 | if (ev_is_active (&pipeev)) |
1142 | { |
1368 | { |
1143 | ev_ref (EV_A); /* signal watcher */ |
1369 | ev_ref (EV_A); /* signal watcher */ |
1144 | ev_io_stop (EV_A_ &pipeev); |
1370 | ev_io_stop (EV_A_ &pipeev); |
1145 | |
1371 | |
1146 | close (evpipe [0]); evpipe [0] = 0; |
1372 | #if EV_USE_EVENTFD |
1147 | close (evpipe [1]); evpipe [1] = 0; |
1373 | if (evfd >= 0) |
|
|
1374 | close (evfd); |
|
|
1375 | #endif |
|
|
1376 | |
|
|
1377 | if (evpipe [0] >= 0) |
|
|
1378 | { |
|
|
1379 | close (evpipe [0]); |
|
|
1380 | close (evpipe [1]); |
|
|
1381 | } |
1148 | } |
1382 | } |
1149 | |
1383 | |
1150 | #if EV_USE_INOTIFY |
1384 | #if EV_USE_INOTIFY |
1151 | if (fs_fd >= 0) |
1385 | if (fs_fd >= 0) |
1152 | close (fs_fd); |
1386 | close (fs_fd); |
… | |
… | |
1197 | #endif |
1431 | #endif |
1198 | |
1432 | |
1199 | backend = 0; |
1433 | backend = 0; |
1200 | } |
1434 | } |
1201 | |
1435 | |
|
|
1436 | #if EV_USE_INOTIFY |
1202 | void inline_size infy_fork (EV_P); |
1437 | void inline_size infy_fork (EV_P); |
|
|
1438 | #endif |
1203 | |
1439 | |
1204 | void inline_size |
1440 | void inline_size |
1205 | loop_fork (EV_P) |
1441 | loop_fork (EV_P) |
1206 | { |
1442 | { |
1207 | #if EV_USE_PORT |
1443 | #if EV_USE_PORT |
… | |
… | |
1226 | gotasync = 1; |
1462 | gotasync = 1; |
1227 | #endif |
1463 | #endif |
1228 | |
1464 | |
1229 | ev_ref (EV_A); |
1465 | ev_ref (EV_A); |
1230 | ev_io_stop (EV_A_ &pipeev); |
1466 | ev_io_stop (EV_A_ &pipeev); |
|
|
1467 | |
|
|
1468 | #if EV_USE_EVENTFD |
|
|
1469 | if (evfd >= 0) |
|
|
1470 | close (evfd); |
|
|
1471 | #endif |
|
|
1472 | |
|
|
1473 | if (evpipe [0] >= 0) |
|
|
1474 | { |
1231 | close (evpipe [0]); |
1475 | close (evpipe [0]); |
1232 | close (evpipe [1]); |
1476 | close (evpipe [1]); |
|
|
1477 | } |
1233 | |
1478 | |
1234 | evpipe_init (EV_A); |
1479 | evpipe_init (EV_A); |
1235 | /* now iterate over everything, in case we missed something */ |
1480 | /* now iterate over everything, in case we missed something */ |
1236 | pipecb (EV_A_ &pipeev, EV_READ); |
1481 | pipecb (EV_A_ &pipeev, EV_READ); |
1237 | } |
1482 | } |
1238 | |
1483 | |
1239 | postfork = 0; |
1484 | postfork = 0; |
1240 | } |
1485 | } |
1241 | |
1486 | |
1242 | #if EV_MULTIPLICITY |
1487 | #if EV_MULTIPLICITY |
|
|
1488 | |
1243 | struct ev_loop * |
1489 | struct ev_loop * |
1244 | ev_loop_new (unsigned int flags) |
1490 | ev_loop_new (unsigned int flags) |
1245 | { |
1491 | { |
1246 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1492 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1247 | |
1493 | |
… | |
… | |
1266 | ev_loop_fork (EV_P) |
1512 | ev_loop_fork (EV_P) |
1267 | { |
1513 | { |
1268 | postfork = 1; /* must be in line with ev_default_fork */ |
1514 | postfork = 1; /* must be in line with ev_default_fork */ |
1269 | } |
1515 | } |
1270 | |
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 | } |
1271 | #endif |
1524 | #endif |
|
|
1525 | |
|
|
1526 | void |
|
|
1527 | ev_loop_verify (EV_P) |
|
|
1528 | { |
|
|
1529 | #if EV_VERIFY |
|
|
1530 | int i; |
|
|
1531 | |
|
|
1532 | checkheap (timers, timercnt); |
|
|
1533 | #if EV_PERIODIC_ENABLE |
|
|
1534 | checkheap (periodics, periodiccnt); |
|
|
1535 | #endif |
|
|
1536 | |
|
|
1537 | #if EV_IDLE_ENABLE |
|
|
1538 | for (i = NUMPRI; i--; ) |
|
|
1539 | array_check ((W **)idles [i], idlecnt [i]); |
|
|
1540 | #endif |
|
|
1541 | #if EV_FORK_ENABLE |
|
|
1542 | array_check ((W **)forks, forkcnt); |
|
|
1543 | #endif |
|
|
1544 | #if EV_ASYNC_ENABLE |
|
|
1545 | array_check ((W **)asyncs, asynccnt); |
|
|
1546 | #endif |
|
|
1547 | array_check ((W **)prepares, preparecnt); |
|
|
1548 | array_check ((W **)checks, checkcnt); |
|
|
1549 | #endif |
|
|
1550 | } |
|
|
1551 | |
|
|
1552 | #endif /* multiplicity */ |
1272 | |
1553 | |
1273 | #if EV_MULTIPLICITY |
1554 | #if EV_MULTIPLICITY |
1274 | struct ev_loop * |
1555 | struct ev_loop * |
1275 | ev_default_loop_init (unsigned int flags) |
1556 | ev_default_loop_init (unsigned int flags) |
1276 | #else |
1557 | #else |
… | |
… | |
1352 | { |
1633 | { |
1353 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1634 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1354 | |
1635 | |
1355 | p->w->pending = 0; |
1636 | p->w->pending = 0; |
1356 | EV_CB_INVOKE (p->w, p->events); |
1637 | EV_CB_INVOKE (p->w, p->events); |
|
|
1638 | EV_FREQUENT_CHECK; |
1357 | } |
1639 | } |
1358 | } |
1640 | } |
1359 | } |
1641 | } |
1360 | |
|
|
1361 | void inline_size |
|
|
1362 | timers_reify (EV_P) |
|
|
1363 | { |
|
|
1364 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1365 | { |
|
|
1366 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1367 | |
|
|
1368 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1369 | |
|
|
1370 | /* first reschedule or stop timer */ |
|
|
1371 | if (w->repeat) |
|
|
1372 | { |
|
|
1373 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1374 | |
|
|
1375 | ((WT)w)->at += w->repeat; |
|
|
1376 | if (((WT)w)->at < mn_now) |
|
|
1377 | ((WT)w)->at = mn_now; |
|
|
1378 | |
|
|
1379 | downheap (timers, timercnt, 0); |
|
|
1380 | } |
|
|
1381 | else |
|
|
1382 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1383 | |
|
|
1384 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1385 | } |
|
|
1386 | } |
|
|
1387 | |
|
|
1388 | #if EV_PERIODIC_ENABLE |
|
|
1389 | void inline_size |
|
|
1390 | periodics_reify (EV_P) |
|
|
1391 | { |
|
|
1392 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1393 | { |
|
|
1394 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1395 | |
|
|
1396 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1397 | |
|
|
1398 | /* first reschedule or stop timer */ |
|
|
1399 | if (w->reschedule_cb) |
|
|
1400 | { |
|
|
1401 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1402 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1403 | downheap (periodics, periodiccnt, 0); |
|
|
1404 | } |
|
|
1405 | else if (w->interval) |
|
|
1406 | { |
|
|
1407 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1408 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1409 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1410 | downheap (periodics, periodiccnt, 0); |
|
|
1411 | } |
|
|
1412 | else |
|
|
1413 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1414 | |
|
|
1415 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1416 | } |
|
|
1417 | } |
|
|
1418 | |
|
|
1419 | static void noinline |
|
|
1420 | periodics_reschedule (EV_P) |
|
|
1421 | { |
|
|
1422 | int i; |
|
|
1423 | |
|
|
1424 | /* adjust periodics after time jump */ |
|
|
1425 | for (i = 0; i < periodiccnt; ++i) |
|
|
1426 | { |
|
|
1427 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1428 | |
|
|
1429 | if (w->reschedule_cb) |
|
|
1430 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1431 | else if (w->interval) |
|
|
1432 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1433 | } |
|
|
1434 | |
|
|
1435 | /* now rebuild the heap */ |
|
|
1436 | for (i = periodiccnt >> 1; i--; ) |
|
|
1437 | downheap (periodics, periodiccnt, i); |
|
|
1438 | } |
|
|
1439 | #endif |
|
|
1440 | |
1642 | |
1441 | #if EV_IDLE_ENABLE |
1643 | #if EV_IDLE_ENABLE |
1442 | void inline_size |
1644 | void inline_size |
1443 | idle_reify (EV_P) |
1645 | idle_reify (EV_P) |
1444 | { |
1646 | { |
… | |
… | |
1456 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1658 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1457 | break; |
1659 | break; |
1458 | } |
1660 | } |
1459 | } |
1661 | } |
1460 | } |
1662 | } |
|
|
1663 | } |
|
|
1664 | #endif |
|
|
1665 | |
|
|
1666 | void inline_size |
|
|
1667 | timers_reify (EV_P) |
|
|
1668 | { |
|
|
1669 | EV_FREQUENT_CHECK; |
|
|
1670 | |
|
|
1671 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1672 | { |
|
|
1673 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1674 | |
|
|
1675 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1676 | |
|
|
1677 | /* first reschedule or stop timer */ |
|
|
1678 | if (w->repeat) |
|
|
1679 | { |
|
|
1680 | ev_at (w) += w->repeat; |
|
|
1681 | if (ev_at (w) < mn_now) |
|
|
1682 | ev_at (w) = mn_now; |
|
|
1683 | |
|
|
1684 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1685 | |
|
|
1686 | ANHE_at_cache (timers [HEAP0]); |
|
|
1687 | downheap (timers, timercnt, HEAP0); |
|
|
1688 | } |
|
|
1689 | else |
|
|
1690 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1691 | |
|
|
1692 | EV_FREQUENT_CHECK; |
|
|
1693 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1694 | } |
|
|
1695 | } |
|
|
1696 | |
|
|
1697 | #if EV_PERIODIC_ENABLE |
|
|
1698 | void inline_size |
|
|
1699 | periodics_reify (EV_P) |
|
|
1700 | { |
|
|
1701 | EV_FREQUENT_CHECK; |
|
|
1702 | |
|
|
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 | } |
|
|
1719 | else if (w->interval) |
|
|
1720 | { |
|
|
1721 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1722 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1723 | /* this might happen because of floating point inexactness */ |
|
|
1724 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1725 | { |
|
|
1726 | ev_at (w) += w->interval; |
|
|
1727 | |
|
|
1728 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1729 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1730 | /* has effectively asked to get triggered more often than possible */ |
|
|
1731 | if (ev_at (w) < ev_rt_now) |
|
|
1732 | ev_at (w) = ev_rt_now; |
|
|
1733 | } |
|
|
1734 | |
|
|
1735 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1736 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1737 | } |
|
|
1738 | else |
|
|
1739 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1740 | |
|
|
1741 | EV_FREQUENT_CHECK; |
|
|
1742 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1743 | } |
|
|
1744 | } |
|
|
1745 | |
|
|
1746 | static void noinline |
|
|
1747 | periodics_reschedule (EV_P) |
|
|
1748 | { |
|
|
1749 | int i; |
|
|
1750 | |
|
|
1751 | /* adjust periodics after time jump */ |
|
|
1752 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1753 | { |
|
|
1754 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1755 | |
|
|
1756 | if (w->reschedule_cb) |
|
|
1757 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1758 | else if (w->interval) |
|
|
1759 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1760 | |
|
|
1761 | ANHE_at_cache (periodics [i]); |
|
|
1762 | } |
|
|
1763 | |
|
|
1764 | reheap (periodics, periodiccnt); |
1461 | } |
1765 | } |
1462 | #endif |
1766 | #endif |
1463 | |
1767 | |
1464 | void inline_speed |
1768 | void inline_speed |
1465 | time_update (EV_P_ ev_tstamp max_block) |
1769 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1494 | */ |
1798 | */ |
1495 | for (i = 4; --i; ) |
1799 | for (i = 4; --i; ) |
1496 | { |
1800 | { |
1497 | rtmn_diff = ev_rt_now - mn_now; |
1801 | rtmn_diff = ev_rt_now - mn_now; |
1498 | |
1802 | |
1499 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1803 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1500 | return; /* all is well */ |
1804 | return; /* all is well */ |
1501 | |
1805 | |
1502 | ev_rt_now = ev_time (); |
1806 | ev_rt_now = ev_time (); |
1503 | mn_now = get_clock (); |
1807 | mn_now = get_clock (); |
1504 | now_floor = mn_now; |
1808 | now_floor = mn_now; |
… | |
… | |
1520 | #if EV_PERIODIC_ENABLE |
1824 | #if EV_PERIODIC_ENABLE |
1521 | periodics_reschedule (EV_A); |
1825 | periodics_reschedule (EV_A); |
1522 | #endif |
1826 | #endif |
1523 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1827 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1524 | for (i = 0; i < timercnt; ++i) |
1828 | for (i = 0; i < timercnt; ++i) |
|
|
1829 | { |
|
|
1830 | ANHE *he = timers + i + HEAP0; |
1525 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1831 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1832 | ANHE_at_cache (*he); |
|
|
1833 | } |
1526 | } |
1834 | } |
1527 | |
1835 | |
1528 | mn_now = ev_rt_now; |
1836 | mn_now = ev_rt_now; |
1529 | } |
1837 | } |
1530 | } |
1838 | } |
… | |
… | |
1544 | static int loop_done; |
1852 | static int loop_done; |
1545 | |
1853 | |
1546 | void |
1854 | void |
1547 | ev_loop (EV_P_ int flags) |
1855 | ev_loop (EV_P_ int flags) |
1548 | { |
1856 | { |
1549 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1857 | loop_done = EVUNLOOP_CANCEL; |
1550 | ? EVUNLOOP_ONE |
|
|
1551 | : EVUNLOOP_CANCEL; |
|
|
1552 | |
1858 | |
1553 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1859 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1554 | |
1860 | |
1555 | do |
1861 | do |
1556 | { |
1862 | { |
|
|
1863 | #if EV_VERIFY >= 2 |
|
|
1864 | ev_loop_verify (EV_A); |
|
|
1865 | #endif |
|
|
1866 | |
1557 | #ifndef _WIN32 |
1867 | #ifndef _WIN32 |
1558 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1868 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1559 | if (expect_false (getpid () != curpid)) |
1869 | if (expect_false (getpid () != curpid)) |
1560 | { |
1870 | { |
1561 | curpid = getpid (); |
1871 | curpid = getpid (); |
… | |
… | |
1602 | |
1912 | |
1603 | waittime = MAX_BLOCKTIME; |
1913 | waittime = MAX_BLOCKTIME; |
1604 | |
1914 | |
1605 | if (timercnt) |
1915 | if (timercnt) |
1606 | { |
1916 | { |
1607 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1917 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1608 | if (waittime > to) waittime = to; |
1918 | if (waittime > to) waittime = to; |
1609 | } |
1919 | } |
1610 | |
1920 | |
1611 | #if EV_PERIODIC_ENABLE |
1921 | #if EV_PERIODIC_ENABLE |
1612 | if (periodiccnt) |
1922 | if (periodiccnt) |
1613 | { |
1923 | { |
1614 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1924 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1615 | if (waittime > to) waittime = to; |
1925 | if (waittime > to) waittime = to; |
1616 | } |
1926 | } |
1617 | #endif |
1927 | #endif |
1618 | |
1928 | |
1619 | if (expect_false (waittime < timeout_blocktime)) |
1929 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1652 | /* queue check watchers, to be executed first */ |
1962 | /* queue check watchers, to be executed first */ |
1653 | if (expect_false (checkcnt)) |
1963 | if (expect_false (checkcnt)) |
1654 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1964 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1655 | |
1965 | |
1656 | call_pending (EV_A); |
1966 | call_pending (EV_A); |
1657 | |
|
|
1658 | } |
1967 | } |
1659 | while (expect_true (activecnt && !loop_done)); |
1968 | while (expect_true ( |
|
|
1969 | activecnt |
|
|
1970 | && !loop_done |
|
|
1971 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
1972 | )); |
1660 | |
1973 | |
1661 | if (loop_done == EVUNLOOP_ONE) |
1974 | if (loop_done == EVUNLOOP_ONE) |
1662 | loop_done = EVUNLOOP_CANCEL; |
1975 | loop_done = EVUNLOOP_CANCEL; |
1663 | } |
1976 | } |
1664 | |
1977 | |
… | |
… | |
1753 | if (expect_false (ev_is_active (w))) |
2066 | if (expect_false (ev_is_active (w))) |
1754 | return; |
2067 | return; |
1755 | |
2068 | |
1756 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2069 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1757 | |
2070 | |
|
|
2071 | EV_FREQUENT_CHECK; |
|
|
2072 | |
1758 | ev_start (EV_A_ (W)w, 1); |
2073 | ev_start (EV_A_ (W)w, 1); |
1759 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2074 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1760 | wlist_add (&anfds[fd].head, (WL)w); |
2075 | wlist_add (&anfds[fd].head, (WL)w); |
1761 | |
2076 | |
1762 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2077 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1763 | w->events &= ~EV_IOFDSET; |
2078 | w->events &= ~EV_IOFDSET; |
|
|
2079 | |
|
|
2080 | EV_FREQUENT_CHECK; |
1764 | } |
2081 | } |
1765 | |
2082 | |
1766 | void noinline |
2083 | void noinline |
1767 | ev_io_stop (EV_P_ ev_io *w) |
2084 | ev_io_stop (EV_P_ ev_io *w) |
1768 | { |
2085 | { |
1769 | clear_pending (EV_A_ (W)w); |
2086 | clear_pending (EV_A_ (W)w); |
1770 | if (expect_false (!ev_is_active (w))) |
2087 | if (expect_false (!ev_is_active (w))) |
1771 | return; |
2088 | return; |
1772 | |
2089 | |
1773 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2090 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2091 | |
|
|
2092 | EV_FREQUENT_CHECK; |
1774 | |
2093 | |
1775 | wlist_del (&anfds[w->fd].head, (WL)w); |
2094 | wlist_del (&anfds[w->fd].head, (WL)w); |
1776 | ev_stop (EV_A_ (W)w); |
2095 | ev_stop (EV_A_ (W)w); |
1777 | |
2096 | |
1778 | fd_change (EV_A_ w->fd, 1); |
2097 | fd_change (EV_A_ w->fd, 1); |
|
|
2098 | |
|
|
2099 | EV_FREQUENT_CHECK; |
1779 | } |
2100 | } |
1780 | |
2101 | |
1781 | void noinline |
2102 | void noinline |
1782 | ev_timer_start (EV_P_ ev_timer *w) |
2103 | ev_timer_start (EV_P_ ev_timer *w) |
1783 | { |
2104 | { |
1784 | if (expect_false (ev_is_active (w))) |
2105 | if (expect_false (ev_is_active (w))) |
1785 | return; |
2106 | return; |
1786 | |
2107 | |
1787 | ((WT)w)->at += mn_now; |
2108 | ev_at (w) += mn_now; |
1788 | |
2109 | |
1789 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2110 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1790 | |
2111 | |
|
|
2112 | EV_FREQUENT_CHECK; |
|
|
2113 | |
|
|
2114 | ++timercnt; |
1791 | ev_start (EV_A_ (W)w, ++timercnt); |
2115 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1792 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2116 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1793 | timers [timercnt - 1] = (WT)w; |
2117 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1794 | upheap (timers, timercnt - 1); |
2118 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2119 | upheap (timers, ev_active (w)); |
1795 | |
2120 | |
|
|
2121 | EV_FREQUENT_CHECK; |
|
|
2122 | |
1796 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2123 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1797 | } |
2124 | } |
1798 | |
2125 | |
1799 | void noinline |
2126 | void noinline |
1800 | ev_timer_stop (EV_P_ ev_timer *w) |
2127 | ev_timer_stop (EV_P_ ev_timer *w) |
1801 | { |
2128 | { |
1802 | clear_pending (EV_A_ (W)w); |
2129 | clear_pending (EV_A_ (W)w); |
1803 | if (expect_false (!ev_is_active (w))) |
2130 | if (expect_false (!ev_is_active (w))) |
1804 | return; |
2131 | return; |
1805 | |
2132 | |
1806 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2133 | EV_FREQUENT_CHECK; |
1807 | |
2134 | |
1808 | { |
2135 | { |
1809 | int active = ((W)w)->active; |
2136 | int active = ev_active (w); |
1810 | |
2137 | |
|
|
2138 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2139 | |
|
|
2140 | --timercnt; |
|
|
2141 | |
1811 | if (expect_true (--active < --timercnt)) |
2142 | if (expect_true (active < timercnt + HEAP0)) |
1812 | { |
2143 | { |
1813 | timers [active] = timers [timercnt]; |
2144 | timers [active] = timers [timercnt + HEAP0]; |
1814 | adjustheap (timers, timercnt, active); |
2145 | adjustheap (timers, timercnt, active); |
1815 | } |
2146 | } |
1816 | } |
2147 | } |
1817 | |
2148 | |
1818 | ((WT)w)->at -= mn_now; |
2149 | EV_FREQUENT_CHECK; |
|
|
2150 | |
|
|
2151 | ev_at (w) -= mn_now; |
1819 | |
2152 | |
1820 | ev_stop (EV_A_ (W)w); |
2153 | ev_stop (EV_A_ (W)w); |
1821 | } |
2154 | } |
1822 | |
2155 | |
1823 | void noinline |
2156 | void noinline |
1824 | ev_timer_again (EV_P_ ev_timer *w) |
2157 | ev_timer_again (EV_P_ ev_timer *w) |
1825 | { |
2158 | { |
|
|
2159 | EV_FREQUENT_CHECK; |
|
|
2160 | |
1826 | if (ev_is_active (w)) |
2161 | if (ev_is_active (w)) |
1827 | { |
2162 | { |
1828 | if (w->repeat) |
2163 | if (w->repeat) |
1829 | { |
2164 | { |
1830 | ((WT)w)->at = mn_now + w->repeat; |
2165 | ev_at (w) = mn_now + w->repeat; |
|
|
2166 | ANHE_at_cache (timers [ev_active (w)]); |
1831 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2167 | adjustheap (timers, timercnt, ev_active (w)); |
1832 | } |
2168 | } |
1833 | else |
2169 | else |
1834 | ev_timer_stop (EV_A_ w); |
2170 | ev_timer_stop (EV_A_ w); |
1835 | } |
2171 | } |
1836 | else if (w->repeat) |
2172 | else if (w->repeat) |
1837 | { |
2173 | { |
1838 | w->at = w->repeat; |
2174 | ev_at (w) = w->repeat; |
1839 | ev_timer_start (EV_A_ w); |
2175 | ev_timer_start (EV_A_ w); |
1840 | } |
2176 | } |
|
|
2177 | |
|
|
2178 | EV_FREQUENT_CHECK; |
1841 | } |
2179 | } |
1842 | |
2180 | |
1843 | #if EV_PERIODIC_ENABLE |
2181 | #if EV_PERIODIC_ENABLE |
1844 | void noinline |
2182 | void noinline |
1845 | ev_periodic_start (EV_P_ ev_periodic *w) |
2183 | ev_periodic_start (EV_P_ ev_periodic *w) |
1846 | { |
2184 | { |
1847 | if (expect_false (ev_is_active (w))) |
2185 | if (expect_false (ev_is_active (w))) |
1848 | return; |
2186 | return; |
1849 | |
2187 | |
1850 | if (w->reschedule_cb) |
2188 | if (w->reschedule_cb) |
1851 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2189 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1852 | else if (w->interval) |
2190 | else if (w->interval) |
1853 | { |
2191 | { |
1854 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2192 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1855 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2193 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1856 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2194 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1857 | } |
2195 | } |
1858 | else |
2196 | else |
1859 | ((WT)w)->at = w->offset; |
2197 | ev_at (w) = w->offset; |
1860 | |
2198 | |
|
|
2199 | EV_FREQUENT_CHECK; |
|
|
2200 | |
|
|
2201 | ++periodiccnt; |
1861 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2202 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1862 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2203 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1863 | periodics [periodiccnt - 1] = (WT)w; |
2204 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1864 | upheap (periodics, periodiccnt - 1); |
2205 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2206 | upheap (periodics, ev_active (w)); |
1865 | |
2207 | |
|
|
2208 | EV_FREQUENT_CHECK; |
|
|
2209 | |
1866 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2210 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1867 | } |
2211 | } |
1868 | |
2212 | |
1869 | void noinline |
2213 | void noinline |
1870 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2214 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1871 | { |
2215 | { |
1872 | clear_pending (EV_A_ (W)w); |
2216 | clear_pending (EV_A_ (W)w); |
1873 | if (expect_false (!ev_is_active (w))) |
2217 | if (expect_false (!ev_is_active (w))) |
1874 | return; |
2218 | return; |
1875 | |
2219 | |
1876 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2220 | EV_FREQUENT_CHECK; |
1877 | |
2221 | |
1878 | { |
2222 | { |
1879 | int active = ((W)w)->active; |
2223 | int active = ev_active (w); |
1880 | |
2224 | |
|
|
2225 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2226 | |
|
|
2227 | --periodiccnt; |
|
|
2228 | |
1881 | if (expect_true (--active < --periodiccnt)) |
2229 | if (expect_true (active < periodiccnt + HEAP0)) |
1882 | { |
2230 | { |
1883 | periodics [active] = periodics [periodiccnt]; |
2231 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1884 | adjustheap (periodics, periodiccnt, active); |
2232 | adjustheap (periodics, periodiccnt, active); |
1885 | } |
2233 | } |
1886 | } |
2234 | } |
1887 | |
2235 | |
|
|
2236 | EV_FREQUENT_CHECK; |
|
|
2237 | |
1888 | ev_stop (EV_A_ (W)w); |
2238 | ev_stop (EV_A_ (W)w); |
1889 | } |
2239 | } |
1890 | |
2240 | |
1891 | void noinline |
2241 | void noinline |
1892 | ev_periodic_again (EV_P_ ev_periodic *w) |
2242 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1911 | return; |
2261 | return; |
1912 | |
2262 | |
1913 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2263 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1914 | |
2264 | |
1915 | evpipe_init (EV_A); |
2265 | evpipe_init (EV_A); |
|
|
2266 | |
|
|
2267 | EV_FREQUENT_CHECK; |
1916 | |
2268 | |
1917 | { |
2269 | { |
1918 | #ifndef _WIN32 |
2270 | #ifndef _WIN32 |
1919 | sigset_t full, prev; |
2271 | sigset_t full, prev; |
1920 | sigfillset (&full); |
2272 | sigfillset (&full); |
… | |
… | |
1932 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2284 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1933 | |
2285 | |
1934 | if (!((WL)w)->next) |
2286 | if (!((WL)w)->next) |
1935 | { |
2287 | { |
1936 | #if _WIN32 |
2288 | #if _WIN32 |
1937 | signal (w->signum, sighandler); |
2289 | signal (w->signum, ev_sighandler); |
1938 | #else |
2290 | #else |
1939 | struct sigaction sa; |
2291 | struct sigaction sa; |
1940 | sa.sa_handler = sighandler; |
2292 | sa.sa_handler = ev_sighandler; |
1941 | sigfillset (&sa.sa_mask); |
2293 | sigfillset (&sa.sa_mask); |
1942 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2294 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1943 | sigaction (w->signum, &sa, 0); |
2295 | sigaction (w->signum, &sa, 0); |
1944 | #endif |
2296 | #endif |
1945 | } |
2297 | } |
|
|
2298 | |
|
|
2299 | EV_FREQUENT_CHECK; |
1946 | } |
2300 | } |
1947 | |
2301 | |
1948 | void noinline |
2302 | void noinline |
1949 | ev_signal_stop (EV_P_ ev_signal *w) |
2303 | ev_signal_stop (EV_P_ ev_signal *w) |
1950 | { |
2304 | { |
1951 | clear_pending (EV_A_ (W)w); |
2305 | clear_pending (EV_A_ (W)w); |
1952 | if (expect_false (!ev_is_active (w))) |
2306 | if (expect_false (!ev_is_active (w))) |
1953 | return; |
2307 | return; |
1954 | |
2308 | |
|
|
2309 | EV_FREQUENT_CHECK; |
|
|
2310 | |
1955 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2311 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1956 | ev_stop (EV_A_ (W)w); |
2312 | ev_stop (EV_A_ (W)w); |
1957 | |
2313 | |
1958 | if (!signals [w->signum - 1].head) |
2314 | if (!signals [w->signum - 1].head) |
1959 | signal (w->signum, SIG_DFL); |
2315 | signal (w->signum, SIG_DFL); |
|
|
2316 | |
|
|
2317 | EV_FREQUENT_CHECK; |
1960 | } |
2318 | } |
1961 | |
2319 | |
1962 | void |
2320 | void |
1963 | ev_child_start (EV_P_ ev_child *w) |
2321 | ev_child_start (EV_P_ ev_child *w) |
1964 | { |
2322 | { |
… | |
… | |
1966 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2324 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1967 | #endif |
2325 | #endif |
1968 | if (expect_false (ev_is_active (w))) |
2326 | if (expect_false (ev_is_active (w))) |
1969 | return; |
2327 | return; |
1970 | |
2328 | |
|
|
2329 | EV_FREQUENT_CHECK; |
|
|
2330 | |
1971 | ev_start (EV_A_ (W)w, 1); |
2331 | ev_start (EV_A_ (W)w, 1); |
1972 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2332 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2333 | |
|
|
2334 | EV_FREQUENT_CHECK; |
1973 | } |
2335 | } |
1974 | |
2336 | |
1975 | void |
2337 | void |
1976 | ev_child_stop (EV_P_ ev_child *w) |
2338 | ev_child_stop (EV_P_ ev_child *w) |
1977 | { |
2339 | { |
1978 | clear_pending (EV_A_ (W)w); |
2340 | clear_pending (EV_A_ (W)w); |
1979 | if (expect_false (!ev_is_active (w))) |
2341 | if (expect_false (!ev_is_active (w))) |
1980 | return; |
2342 | return; |
1981 | |
2343 | |
|
|
2344 | EV_FREQUENT_CHECK; |
|
|
2345 | |
1982 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2346 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1983 | ev_stop (EV_A_ (W)w); |
2347 | ev_stop (EV_A_ (W)w); |
|
|
2348 | |
|
|
2349 | EV_FREQUENT_CHECK; |
1984 | } |
2350 | } |
1985 | |
2351 | |
1986 | #if EV_STAT_ENABLE |
2352 | #if EV_STAT_ENABLE |
1987 | |
2353 | |
1988 | # ifdef _WIN32 |
2354 | # ifdef _WIN32 |
… | |
… | |
2006 | if (w->wd < 0) |
2372 | if (w->wd < 0) |
2007 | { |
2373 | { |
2008 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2374 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2009 | |
2375 | |
2010 | /* monitor some parent directory for speedup hints */ |
2376 | /* monitor some parent directory for speedup hints */ |
|
|
2377 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
|
|
2378 | /* but an efficiency issue only */ |
2011 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2379 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2012 | { |
2380 | { |
2013 | char path [4096]; |
2381 | char path [4096]; |
2014 | strcpy (path, w->path); |
2382 | strcpy (path, w->path); |
2015 | |
2383 | |
… | |
… | |
2214 | else |
2582 | else |
2215 | #endif |
2583 | #endif |
2216 | ev_timer_start (EV_A_ &w->timer); |
2584 | ev_timer_start (EV_A_ &w->timer); |
2217 | |
2585 | |
2218 | ev_start (EV_A_ (W)w, 1); |
2586 | ev_start (EV_A_ (W)w, 1); |
|
|
2587 | |
|
|
2588 | EV_FREQUENT_CHECK; |
2219 | } |
2589 | } |
2220 | |
2590 | |
2221 | void |
2591 | void |
2222 | ev_stat_stop (EV_P_ ev_stat *w) |
2592 | ev_stat_stop (EV_P_ ev_stat *w) |
2223 | { |
2593 | { |
2224 | clear_pending (EV_A_ (W)w); |
2594 | clear_pending (EV_A_ (W)w); |
2225 | if (expect_false (!ev_is_active (w))) |
2595 | if (expect_false (!ev_is_active (w))) |
2226 | return; |
2596 | return; |
2227 | |
2597 | |
|
|
2598 | EV_FREQUENT_CHECK; |
|
|
2599 | |
2228 | #if EV_USE_INOTIFY |
2600 | #if EV_USE_INOTIFY |
2229 | infy_del (EV_A_ w); |
2601 | infy_del (EV_A_ w); |
2230 | #endif |
2602 | #endif |
2231 | ev_timer_stop (EV_A_ &w->timer); |
2603 | ev_timer_stop (EV_A_ &w->timer); |
2232 | |
2604 | |
2233 | ev_stop (EV_A_ (W)w); |
2605 | ev_stop (EV_A_ (W)w); |
|
|
2606 | |
|
|
2607 | EV_FREQUENT_CHECK; |
2234 | } |
2608 | } |
2235 | #endif |
2609 | #endif |
2236 | |
2610 | |
2237 | #if EV_IDLE_ENABLE |
2611 | #if EV_IDLE_ENABLE |
2238 | void |
2612 | void |
… | |
… | |
2240 | { |
2614 | { |
2241 | if (expect_false (ev_is_active (w))) |
2615 | if (expect_false (ev_is_active (w))) |
2242 | return; |
2616 | return; |
2243 | |
2617 | |
2244 | pri_adjust (EV_A_ (W)w); |
2618 | pri_adjust (EV_A_ (W)w); |
|
|
2619 | |
|
|
2620 | EV_FREQUENT_CHECK; |
2245 | |
2621 | |
2246 | { |
2622 | { |
2247 | int active = ++idlecnt [ABSPRI (w)]; |
2623 | int active = ++idlecnt [ABSPRI (w)]; |
2248 | |
2624 | |
2249 | ++idleall; |
2625 | ++idleall; |
2250 | ev_start (EV_A_ (W)w, active); |
2626 | ev_start (EV_A_ (W)w, active); |
2251 | |
2627 | |
2252 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2628 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2253 | idles [ABSPRI (w)][active - 1] = w; |
2629 | idles [ABSPRI (w)][active - 1] = w; |
2254 | } |
2630 | } |
|
|
2631 | |
|
|
2632 | EV_FREQUENT_CHECK; |
2255 | } |
2633 | } |
2256 | |
2634 | |
2257 | void |
2635 | void |
2258 | ev_idle_stop (EV_P_ ev_idle *w) |
2636 | ev_idle_stop (EV_P_ ev_idle *w) |
2259 | { |
2637 | { |
2260 | clear_pending (EV_A_ (W)w); |
2638 | clear_pending (EV_A_ (W)w); |
2261 | if (expect_false (!ev_is_active (w))) |
2639 | if (expect_false (!ev_is_active (w))) |
2262 | return; |
2640 | return; |
2263 | |
2641 | |
|
|
2642 | EV_FREQUENT_CHECK; |
|
|
2643 | |
2264 | { |
2644 | { |
2265 | int active = ((W)w)->active; |
2645 | int active = ev_active (w); |
2266 | |
2646 | |
2267 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2647 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2268 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2648 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2269 | |
2649 | |
2270 | ev_stop (EV_A_ (W)w); |
2650 | ev_stop (EV_A_ (W)w); |
2271 | --idleall; |
2651 | --idleall; |
2272 | } |
2652 | } |
|
|
2653 | |
|
|
2654 | EV_FREQUENT_CHECK; |
2273 | } |
2655 | } |
2274 | #endif |
2656 | #endif |
2275 | |
2657 | |
2276 | void |
2658 | void |
2277 | ev_prepare_start (EV_P_ ev_prepare *w) |
2659 | ev_prepare_start (EV_P_ ev_prepare *w) |
2278 | { |
2660 | { |
2279 | if (expect_false (ev_is_active (w))) |
2661 | if (expect_false (ev_is_active (w))) |
2280 | return; |
2662 | return; |
|
|
2663 | |
|
|
2664 | EV_FREQUENT_CHECK; |
2281 | |
2665 | |
2282 | ev_start (EV_A_ (W)w, ++preparecnt); |
2666 | ev_start (EV_A_ (W)w, ++preparecnt); |
2283 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2667 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2284 | prepares [preparecnt - 1] = w; |
2668 | prepares [preparecnt - 1] = w; |
|
|
2669 | |
|
|
2670 | EV_FREQUENT_CHECK; |
2285 | } |
2671 | } |
2286 | |
2672 | |
2287 | void |
2673 | void |
2288 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2674 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2289 | { |
2675 | { |
2290 | clear_pending (EV_A_ (W)w); |
2676 | clear_pending (EV_A_ (W)w); |
2291 | if (expect_false (!ev_is_active (w))) |
2677 | if (expect_false (!ev_is_active (w))) |
2292 | return; |
2678 | return; |
2293 | |
2679 | |
|
|
2680 | EV_FREQUENT_CHECK; |
|
|
2681 | |
2294 | { |
2682 | { |
2295 | int active = ((W)w)->active; |
2683 | int active = ev_active (w); |
|
|
2684 | |
2296 | prepares [active - 1] = prepares [--preparecnt]; |
2685 | prepares [active - 1] = prepares [--preparecnt]; |
2297 | ((W)prepares [active - 1])->active = active; |
2686 | ev_active (prepares [active - 1]) = active; |
2298 | } |
2687 | } |
2299 | |
2688 | |
2300 | ev_stop (EV_A_ (W)w); |
2689 | ev_stop (EV_A_ (W)w); |
|
|
2690 | |
|
|
2691 | EV_FREQUENT_CHECK; |
2301 | } |
2692 | } |
2302 | |
2693 | |
2303 | void |
2694 | void |
2304 | ev_check_start (EV_P_ ev_check *w) |
2695 | ev_check_start (EV_P_ ev_check *w) |
2305 | { |
2696 | { |
2306 | if (expect_false (ev_is_active (w))) |
2697 | if (expect_false (ev_is_active (w))) |
2307 | return; |
2698 | return; |
|
|
2699 | |
|
|
2700 | EV_FREQUENT_CHECK; |
2308 | |
2701 | |
2309 | ev_start (EV_A_ (W)w, ++checkcnt); |
2702 | ev_start (EV_A_ (W)w, ++checkcnt); |
2310 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2703 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2311 | checks [checkcnt - 1] = w; |
2704 | checks [checkcnt - 1] = w; |
|
|
2705 | |
|
|
2706 | EV_FREQUENT_CHECK; |
2312 | } |
2707 | } |
2313 | |
2708 | |
2314 | void |
2709 | void |
2315 | ev_check_stop (EV_P_ ev_check *w) |
2710 | ev_check_stop (EV_P_ ev_check *w) |
2316 | { |
2711 | { |
2317 | clear_pending (EV_A_ (W)w); |
2712 | clear_pending (EV_A_ (W)w); |
2318 | if (expect_false (!ev_is_active (w))) |
2713 | if (expect_false (!ev_is_active (w))) |
2319 | return; |
2714 | return; |
2320 | |
2715 | |
|
|
2716 | EV_FREQUENT_CHECK; |
|
|
2717 | |
2321 | { |
2718 | { |
2322 | int active = ((W)w)->active; |
2719 | int active = ev_active (w); |
|
|
2720 | |
2323 | checks [active - 1] = checks [--checkcnt]; |
2721 | checks [active - 1] = checks [--checkcnt]; |
2324 | ((W)checks [active - 1])->active = active; |
2722 | ev_active (checks [active - 1]) = active; |
2325 | } |
2723 | } |
2326 | |
2724 | |
2327 | ev_stop (EV_A_ (W)w); |
2725 | ev_stop (EV_A_ (W)w); |
|
|
2726 | |
|
|
2727 | EV_FREQUENT_CHECK; |
2328 | } |
2728 | } |
2329 | |
2729 | |
2330 | #if EV_EMBED_ENABLE |
2730 | #if EV_EMBED_ENABLE |
2331 | void noinline |
2731 | void noinline |
2332 | ev_embed_sweep (EV_P_ ev_embed *w) |
2732 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2379 | struct ev_loop *loop = w->other; |
2779 | struct ev_loop *loop = w->other; |
2380 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2780 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2381 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2781 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2382 | } |
2782 | } |
2383 | |
2783 | |
|
|
2784 | EV_FREQUENT_CHECK; |
|
|
2785 | |
2384 | ev_set_priority (&w->io, ev_priority (w)); |
2786 | ev_set_priority (&w->io, ev_priority (w)); |
2385 | ev_io_start (EV_A_ &w->io); |
2787 | ev_io_start (EV_A_ &w->io); |
2386 | |
2788 | |
2387 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2789 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2388 | ev_set_priority (&w->prepare, EV_MINPRI); |
2790 | ev_set_priority (&w->prepare, EV_MINPRI); |
2389 | ev_prepare_start (EV_A_ &w->prepare); |
2791 | ev_prepare_start (EV_A_ &w->prepare); |
2390 | |
2792 | |
2391 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2793 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2392 | |
2794 | |
2393 | ev_start (EV_A_ (W)w, 1); |
2795 | ev_start (EV_A_ (W)w, 1); |
|
|
2796 | |
|
|
2797 | EV_FREQUENT_CHECK; |
2394 | } |
2798 | } |
2395 | |
2799 | |
2396 | void |
2800 | void |
2397 | ev_embed_stop (EV_P_ ev_embed *w) |
2801 | ev_embed_stop (EV_P_ ev_embed *w) |
2398 | { |
2802 | { |
2399 | clear_pending (EV_A_ (W)w); |
2803 | clear_pending (EV_A_ (W)w); |
2400 | if (expect_false (!ev_is_active (w))) |
2804 | if (expect_false (!ev_is_active (w))) |
2401 | return; |
2805 | return; |
2402 | |
2806 | |
|
|
2807 | EV_FREQUENT_CHECK; |
|
|
2808 | |
2403 | ev_io_stop (EV_A_ &w->io); |
2809 | ev_io_stop (EV_A_ &w->io); |
2404 | ev_prepare_stop (EV_A_ &w->prepare); |
2810 | ev_prepare_stop (EV_A_ &w->prepare); |
2405 | |
2811 | |
2406 | ev_stop (EV_A_ (W)w); |
2812 | ev_stop (EV_A_ (W)w); |
|
|
2813 | |
|
|
2814 | EV_FREQUENT_CHECK; |
2407 | } |
2815 | } |
2408 | #endif |
2816 | #endif |
2409 | |
2817 | |
2410 | #if EV_FORK_ENABLE |
2818 | #if EV_FORK_ENABLE |
2411 | void |
2819 | void |
2412 | ev_fork_start (EV_P_ ev_fork *w) |
2820 | ev_fork_start (EV_P_ ev_fork *w) |
2413 | { |
2821 | { |
2414 | if (expect_false (ev_is_active (w))) |
2822 | if (expect_false (ev_is_active (w))) |
2415 | return; |
2823 | return; |
|
|
2824 | |
|
|
2825 | EV_FREQUENT_CHECK; |
2416 | |
2826 | |
2417 | ev_start (EV_A_ (W)w, ++forkcnt); |
2827 | ev_start (EV_A_ (W)w, ++forkcnt); |
2418 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2828 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2419 | forks [forkcnt - 1] = w; |
2829 | forks [forkcnt - 1] = w; |
|
|
2830 | |
|
|
2831 | EV_FREQUENT_CHECK; |
2420 | } |
2832 | } |
2421 | |
2833 | |
2422 | void |
2834 | void |
2423 | ev_fork_stop (EV_P_ ev_fork *w) |
2835 | ev_fork_stop (EV_P_ ev_fork *w) |
2424 | { |
2836 | { |
2425 | clear_pending (EV_A_ (W)w); |
2837 | clear_pending (EV_A_ (W)w); |
2426 | if (expect_false (!ev_is_active (w))) |
2838 | if (expect_false (!ev_is_active (w))) |
2427 | return; |
2839 | return; |
2428 | |
2840 | |
|
|
2841 | EV_FREQUENT_CHECK; |
|
|
2842 | |
2429 | { |
2843 | { |
2430 | int active = ((W)w)->active; |
2844 | int active = ev_active (w); |
|
|
2845 | |
2431 | forks [active - 1] = forks [--forkcnt]; |
2846 | forks [active - 1] = forks [--forkcnt]; |
2432 | ((W)forks [active - 1])->active = active; |
2847 | ev_active (forks [active - 1]) = active; |
2433 | } |
2848 | } |
2434 | |
2849 | |
2435 | ev_stop (EV_A_ (W)w); |
2850 | ev_stop (EV_A_ (W)w); |
|
|
2851 | |
|
|
2852 | EV_FREQUENT_CHECK; |
2436 | } |
2853 | } |
2437 | #endif |
2854 | #endif |
2438 | |
2855 | |
2439 | #if EV_ASYNC_ENABLE |
2856 | #if EV_ASYNC_ENABLE |
2440 | void |
2857 | void |
… | |
… | |
2442 | { |
2859 | { |
2443 | if (expect_false (ev_is_active (w))) |
2860 | if (expect_false (ev_is_active (w))) |
2444 | return; |
2861 | return; |
2445 | |
2862 | |
2446 | evpipe_init (EV_A); |
2863 | evpipe_init (EV_A); |
|
|
2864 | |
|
|
2865 | EV_FREQUENT_CHECK; |
2447 | |
2866 | |
2448 | ev_start (EV_A_ (W)w, ++asynccnt); |
2867 | ev_start (EV_A_ (W)w, ++asynccnt); |
2449 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2868 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2450 | asyncs [asynccnt - 1] = w; |
2869 | asyncs [asynccnt - 1] = w; |
|
|
2870 | |
|
|
2871 | EV_FREQUENT_CHECK; |
2451 | } |
2872 | } |
2452 | |
2873 | |
2453 | void |
2874 | void |
2454 | ev_async_stop (EV_P_ ev_async *w) |
2875 | ev_async_stop (EV_P_ ev_async *w) |
2455 | { |
2876 | { |
2456 | clear_pending (EV_A_ (W)w); |
2877 | clear_pending (EV_A_ (W)w); |
2457 | if (expect_false (!ev_is_active (w))) |
2878 | if (expect_false (!ev_is_active (w))) |
2458 | return; |
2879 | return; |
2459 | |
2880 | |
|
|
2881 | EV_FREQUENT_CHECK; |
|
|
2882 | |
2460 | { |
2883 | { |
2461 | int active = ((W)w)->active; |
2884 | int active = ev_active (w); |
|
|
2885 | |
2462 | asyncs [active - 1] = asyncs [--asynccnt]; |
2886 | asyncs [active - 1] = asyncs [--asynccnt]; |
2463 | ((W)asyncs [active - 1])->active = active; |
2887 | ev_active (asyncs [active - 1]) = active; |
2464 | } |
2888 | } |
2465 | |
2889 | |
2466 | ev_stop (EV_A_ (W)w); |
2890 | ev_stop (EV_A_ (W)w); |
|
|
2891 | |
|
|
2892 | EV_FREQUENT_CHECK; |
2467 | } |
2893 | } |
2468 | |
2894 | |
2469 | void |
2895 | void |
2470 | ev_async_send (EV_P_ ev_async *w) |
2896 | ev_async_send (EV_P_ ev_async *w) |
2471 | { |
2897 | { |
2472 | w->sent = 1; |
2898 | w->sent = 1; |
2473 | evpipe_write (EV_A_ 0, 1); |
2899 | evpipe_write (EV_A_ &gotasync); |
2474 | } |
2900 | } |
2475 | #endif |
2901 | #endif |
2476 | |
2902 | |
2477 | /*****************************************************************************/ |
2903 | /*****************************************************************************/ |
2478 | |
2904 | |