… | |
… | |
47 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
48 | # else |
48 | # else |
49 | # include "config.h" |
49 | # include "config.h" |
50 | # endif |
50 | # endif |
51 | |
51 | |
|
|
52 | # if HAVE_CLOCK_SYSCALL |
|
|
53 | # ifndef EV_USE_CLOCK_SYSCALL |
|
|
54 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
55 | # ifndef EV_USE_REALTIME |
|
|
56 | # define EV_USE_REALTIME 0 |
|
|
57 | # endif |
|
|
58 | # ifndef EV_USE_MONOTONIC |
|
|
59 | # define EV_USE_MONOTONIC 1 |
|
|
60 | # endif |
|
|
61 | # endif |
|
|
62 | # endif |
|
|
63 | |
52 | # if HAVE_CLOCK_GETTIME |
64 | # if HAVE_CLOCK_GETTIME |
53 | # ifndef EV_USE_MONOTONIC |
65 | # ifndef EV_USE_MONOTONIC |
54 | # define EV_USE_MONOTONIC 1 |
66 | # define EV_USE_MONOTONIC 1 |
55 | # endif |
67 | # endif |
56 | # ifndef EV_USE_REALTIME |
68 | # ifndef EV_USE_REALTIME |
… | |
… | |
126 | # define EV_USE_EVENTFD 1 |
138 | # define EV_USE_EVENTFD 1 |
127 | # else |
139 | # else |
128 | # define EV_USE_EVENTFD 0 |
140 | # define EV_USE_EVENTFD 0 |
129 | # endif |
141 | # endif |
130 | # endif |
142 | # endif |
131 | |
143 | |
132 | #endif |
144 | #endif |
133 | |
145 | |
134 | #include <math.h> |
146 | #include <math.h> |
135 | #include <stdlib.h> |
147 | #include <stdlib.h> |
136 | #include <fcntl.h> |
148 | #include <fcntl.h> |
… | |
… | |
154 | #ifndef _WIN32 |
166 | #ifndef _WIN32 |
155 | # include <sys/time.h> |
167 | # include <sys/time.h> |
156 | # include <sys/wait.h> |
168 | # include <sys/wait.h> |
157 | # include <unistd.h> |
169 | # include <unistd.h> |
158 | #else |
170 | #else |
|
|
171 | # include <io.h> |
159 | # define WIN32_LEAN_AND_MEAN |
172 | # define WIN32_LEAN_AND_MEAN |
160 | # include <windows.h> |
173 | # include <windows.h> |
161 | # ifndef EV_SELECT_IS_WINSOCKET |
174 | # ifndef EV_SELECT_IS_WINSOCKET |
162 | # define EV_SELECT_IS_WINSOCKET 1 |
175 | # define EV_SELECT_IS_WINSOCKET 1 |
163 | # endif |
176 | # endif |
164 | #endif |
177 | #endif |
165 | |
178 | |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
179 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
167 | |
180 | |
|
|
181 | #ifndef EV_USE_CLOCK_SYSCALL |
|
|
182 | # if __linux && __GLIBC__ >= 2 |
|
|
183 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
184 | # else |
|
|
185 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
186 | # endif |
|
|
187 | #endif |
|
|
188 | |
168 | #ifndef EV_USE_MONOTONIC |
189 | #ifndef EV_USE_MONOTONIC |
|
|
190 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
|
|
191 | # define EV_USE_MONOTONIC 1 |
|
|
192 | # else |
169 | # define EV_USE_MONOTONIC 0 |
193 | # define EV_USE_MONOTONIC 0 |
|
|
194 | # endif |
170 | #endif |
195 | #endif |
171 | |
196 | |
172 | #ifndef EV_USE_REALTIME |
197 | #ifndef EV_USE_REALTIME |
173 | # define EV_USE_REALTIME 0 |
198 | # define EV_USE_REALTIME 0 |
174 | #endif |
199 | #endif |
175 | |
200 | |
176 | #ifndef EV_USE_NANOSLEEP |
201 | #ifndef EV_USE_NANOSLEEP |
|
|
202 | # if _POSIX_C_SOURCE >= 199309L |
|
|
203 | # define EV_USE_NANOSLEEP 1 |
|
|
204 | # else |
177 | # define EV_USE_NANOSLEEP 0 |
205 | # define EV_USE_NANOSLEEP 0 |
|
|
206 | # endif |
178 | #endif |
207 | #endif |
179 | |
208 | |
180 | #ifndef EV_USE_SELECT |
209 | #ifndef EV_USE_SELECT |
181 | # define EV_USE_SELECT 1 |
210 | # define EV_USE_SELECT 1 |
182 | #endif |
211 | #endif |
… | |
… | |
235 | # else |
264 | # else |
236 | # define EV_USE_EVENTFD 0 |
265 | # define EV_USE_EVENTFD 0 |
237 | # endif |
266 | # endif |
238 | #endif |
267 | #endif |
239 | |
268 | |
|
|
269 | #if 0 /* debugging */ |
|
|
270 | # define EV_VERIFY 3 |
|
|
271 | # define EV_USE_4HEAP 1 |
|
|
272 | # define EV_HEAP_CACHE_AT 1 |
|
|
273 | #endif |
|
|
274 | |
|
|
275 | #ifndef EV_VERIFY |
|
|
276 | # define EV_VERIFY !EV_MINIMAL |
|
|
277 | #endif |
|
|
278 | |
|
|
279 | #ifndef EV_USE_4HEAP |
|
|
280 | # define EV_USE_4HEAP !EV_MINIMAL |
|
|
281 | #endif |
|
|
282 | |
|
|
283 | #ifndef EV_HEAP_CACHE_AT |
|
|
284 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
285 | #endif |
|
|
286 | |
240 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
287 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
241 | |
288 | |
242 | #ifndef CLOCK_MONOTONIC |
289 | #ifndef CLOCK_MONOTONIC |
243 | # undef EV_USE_MONOTONIC |
290 | # undef EV_USE_MONOTONIC |
244 | # define EV_USE_MONOTONIC 0 |
291 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
259 | # include <sys/select.h> |
306 | # include <sys/select.h> |
260 | # endif |
307 | # endif |
261 | #endif |
308 | #endif |
262 | |
309 | |
263 | #if EV_USE_INOTIFY |
310 | #if EV_USE_INOTIFY |
|
|
311 | # include <sys/utsname.h> |
|
|
312 | # include <sys/statfs.h> |
264 | # include <sys/inotify.h> |
313 | # include <sys/inotify.h> |
|
|
314 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
|
315 | # ifndef IN_DONT_FOLLOW |
|
|
316 | # undef EV_USE_INOTIFY |
|
|
317 | # define EV_USE_INOTIFY 0 |
|
|
318 | # endif |
265 | #endif |
319 | #endif |
266 | |
320 | |
267 | #if EV_SELECT_IS_WINSOCKET |
321 | #if EV_SELECT_IS_WINSOCKET |
268 | # include <winsock.h> |
322 | # include <winsock.h> |
|
|
323 | #endif |
|
|
324 | |
|
|
325 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
326 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
327 | #if EV_USE_CLOCK_SYSCALL |
|
|
328 | # include <syscall.h> |
|
|
329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
330 | # undef EV_USE_MONOTONIC |
|
|
331 | # define EV_USE_MONOTONIC 1 |
269 | #endif |
332 | #endif |
270 | |
333 | |
271 | #if EV_USE_EVENTFD |
334 | #if EV_USE_EVENTFD |
272 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
335 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
273 | # include <stdint.h> |
336 | # include <stdint.h> |
|
|
337 | # ifdef __cplusplus |
|
|
338 | extern "C" { |
|
|
339 | # endif |
274 | int eventfd (unsigned int initval, int flags); |
340 | int eventfd (unsigned int initval, int flags); |
|
|
341 | # ifdef __cplusplus |
|
|
342 | } |
|
|
343 | # endif |
275 | #endif |
344 | #endif |
276 | |
345 | |
277 | /**/ |
346 | /**/ |
|
|
347 | |
|
|
348 | #if EV_VERIFY >= 3 |
|
|
349 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
|
350 | #else |
|
|
351 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
352 | #endif |
278 | |
353 | |
279 | /* |
354 | /* |
280 | * This is used to avoid floating point rounding problems. |
355 | * This is used to avoid floating point rounding problems. |
281 | * It is added to ev_rt_now when scheduling periodics |
356 | * It is added to ev_rt_now when scheduling periodics |
282 | * to ensure progress, time-wise, even when rounding |
357 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
294 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
369 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
295 | # define noinline __attribute__ ((noinline)) |
370 | # define noinline __attribute__ ((noinline)) |
296 | #else |
371 | #else |
297 | # define expect(expr,value) (expr) |
372 | # define expect(expr,value) (expr) |
298 | # define noinline |
373 | # define noinline |
299 | # if __STDC_VERSION__ < 199901L |
374 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
300 | # define inline |
375 | # define inline |
301 | # endif |
376 | # endif |
302 | #endif |
377 | #endif |
303 | |
378 | |
304 | #define expect_false(expr) expect ((expr) != 0, 0) |
379 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
319 | |
394 | |
320 | typedef ev_watcher *W; |
395 | typedef ev_watcher *W; |
321 | typedef ev_watcher_list *WL; |
396 | typedef ev_watcher_list *WL; |
322 | typedef ev_watcher_time *WT; |
397 | typedef ev_watcher_time *WT; |
323 | |
398 | |
|
|
399 | #define ev_active(w) ((W)(w))->active |
|
|
400 | #define ev_at(w) ((WT)(w))->at |
|
|
401 | |
324 | #if EV_USE_MONOTONIC |
402 | #if EV_USE_MONOTONIC |
325 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
403 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
326 | /* giving it a reasonably high chance of working on typical architetcures */ |
404 | /* giving it a reasonably high chance of working on typical architetcures */ |
327 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
405 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
328 | #endif |
406 | #endif |
… | |
… | |
340 | { |
418 | { |
341 | syserr_cb = cb; |
419 | syserr_cb = cb; |
342 | } |
420 | } |
343 | |
421 | |
344 | static void noinline |
422 | static void noinline |
345 | syserr (const char *msg) |
423 | ev_syserr (const char *msg) |
346 | { |
424 | { |
347 | if (!msg) |
425 | if (!msg) |
348 | msg = "(libev) system error"; |
426 | msg = "(libev) system error"; |
349 | |
427 | |
350 | if (syserr_cb) |
428 | if (syserr_cb) |
… | |
… | |
354 | perror (msg); |
432 | perror (msg); |
355 | abort (); |
433 | abort (); |
356 | } |
434 | } |
357 | } |
435 | } |
358 | |
436 | |
|
|
437 | static void * |
|
|
438 | ev_realloc_emul (void *ptr, long size) |
|
|
439 | { |
|
|
440 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
441 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
|
442 | * the single unix specification, so work around them here. |
|
|
443 | */ |
|
|
444 | |
|
|
445 | if (size) |
|
|
446 | return realloc (ptr, size); |
|
|
447 | |
|
|
448 | free (ptr); |
|
|
449 | return 0; |
|
|
450 | } |
|
|
451 | |
359 | static void *(*alloc)(void *ptr, long size); |
452 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
360 | |
453 | |
361 | void |
454 | void |
362 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
455 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
363 | { |
456 | { |
364 | alloc = cb; |
457 | alloc = cb; |
365 | } |
458 | } |
366 | |
459 | |
367 | inline_speed void * |
460 | inline_speed void * |
368 | ev_realloc (void *ptr, long size) |
461 | ev_realloc (void *ptr, long size) |
369 | { |
462 | { |
370 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
463 | ptr = alloc (ptr, size); |
371 | |
464 | |
372 | if (!ptr && size) |
465 | if (!ptr && size) |
373 | { |
466 | { |
374 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
467 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
375 | abort (); |
468 | abort (); |
… | |
… | |
386 | typedef struct |
479 | typedef struct |
387 | { |
480 | { |
388 | WL head; |
481 | WL head; |
389 | unsigned char events; |
482 | unsigned char events; |
390 | unsigned char reify; |
483 | unsigned char reify; |
|
|
484 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
|
|
485 | unsigned char unused; |
|
|
486 | #if EV_USE_EPOLL |
|
|
487 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
488 | #endif |
391 | #if EV_SELECT_IS_WINSOCKET |
489 | #if EV_SELECT_IS_WINSOCKET |
392 | SOCKET handle; |
490 | SOCKET handle; |
393 | #endif |
491 | #endif |
394 | } ANFD; |
492 | } ANFD; |
395 | |
493 | |
… | |
… | |
398 | W w; |
496 | W w; |
399 | int events; |
497 | int events; |
400 | } ANPENDING; |
498 | } ANPENDING; |
401 | |
499 | |
402 | #if EV_USE_INOTIFY |
500 | #if EV_USE_INOTIFY |
|
|
501 | /* hash table entry per inotify-id */ |
403 | typedef struct |
502 | typedef struct |
404 | { |
503 | { |
405 | WL head; |
504 | WL head; |
406 | } ANFS; |
505 | } ANFS; |
|
|
506 | #endif |
|
|
507 | |
|
|
508 | /* Heap Entry */ |
|
|
509 | #if EV_HEAP_CACHE_AT |
|
|
510 | typedef struct { |
|
|
511 | ev_tstamp at; |
|
|
512 | WT w; |
|
|
513 | } ANHE; |
|
|
514 | |
|
|
515 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
516 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
517 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
518 | #else |
|
|
519 | typedef WT ANHE; |
|
|
520 | |
|
|
521 | #define ANHE_w(he) (he) |
|
|
522 | #define ANHE_at(he) (he)->at |
|
|
523 | #define ANHE_at_cache(he) |
407 | #endif |
524 | #endif |
408 | |
525 | |
409 | #if EV_MULTIPLICITY |
526 | #if EV_MULTIPLICITY |
410 | |
527 | |
411 | struct ev_loop |
528 | struct ev_loop |
… | |
… | |
489 | struct timeval tv; |
606 | struct timeval tv; |
490 | |
607 | |
491 | tv.tv_sec = (time_t)delay; |
608 | tv.tv_sec = (time_t)delay; |
492 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
609 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
493 | |
610 | |
|
|
611 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
612 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
613 | /* by older ones */ |
494 | select (0, 0, 0, 0, &tv); |
614 | select (0, 0, 0, 0, &tv); |
495 | #endif |
615 | #endif |
496 | } |
616 | } |
497 | } |
617 | } |
498 | |
618 | |
499 | /*****************************************************************************/ |
619 | /*****************************************************************************/ |
|
|
620 | |
|
|
621 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
500 | |
622 | |
501 | int inline_size |
623 | int inline_size |
502 | array_nextsize (int elem, int cur, int cnt) |
624 | array_nextsize (int elem, int cur, int cnt) |
503 | { |
625 | { |
504 | int ncur = cur + 1; |
626 | int ncur = cur + 1; |
505 | |
627 | |
506 | do |
628 | do |
507 | ncur <<= 1; |
629 | ncur <<= 1; |
508 | while (cnt > ncur); |
630 | while (cnt > ncur); |
509 | |
631 | |
510 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
632 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
511 | if (elem * ncur > 4096) |
633 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
512 | { |
634 | { |
513 | ncur *= elem; |
635 | ncur *= elem; |
514 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
636 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
515 | ncur = ncur - sizeof (void *) * 4; |
637 | ncur = ncur - sizeof (void *) * 4; |
516 | ncur /= elem; |
638 | ncur /= elem; |
517 | } |
639 | } |
518 | |
640 | |
519 | return ncur; |
641 | return ncur; |
… | |
… | |
523 | array_realloc (int elem, void *base, int *cur, int cnt) |
645 | array_realloc (int elem, void *base, int *cur, int cnt) |
524 | { |
646 | { |
525 | *cur = array_nextsize (elem, *cur, cnt); |
647 | *cur = array_nextsize (elem, *cur, cnt); |
526 | return ev_realloc (base, elem * *cur); |
648 | return ev_realloc (base, elem * *cur); |
527 | } |
649 | } |
|
|
650 | |
|
|
651 | #define array_init_zero(base,count) \ |
|
|
652 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
528 | |
653 | |
529 | #define array_needsize(type,base,cur,cnt,init) \ |
654 | #define array_needsize(type,base,cur,cnt,init) \ |
530 | if (expect_false ((cnt) > (cur))) \ |
655 | if (expect_false ((cnt) > (cur))) \ |
531 | { \ |
656 | { \ |
532 | int ocur_ = (cur); \ |
657 | int ocur_ = (cur); \ |
… | |
… | |
576 | ev_feed_event (EV_A_ events [i], type); |
701 | ev_feed_event (EV_A_ events [i], type); |
577 | } |
702 | } |
578 | |
703 | |
579 | /*****************************************************************************/ |
704 | /*****************************************************************************/ |
580 | |
705 | |
581 | void inline_size |
|
|
582 | anfds_init (ANFD *base, int count) |
|
|
583 | { |
|
|
584 | while (count--) |
|
|
585 | { |
|
|
586 | base->head = 0; |
|
|
587 | base->events = EV_NONE; |
|
|
588 | base->reify = 0; |
|
|
589 | |
|
|
590 | ++base; |
|
|
591 | } |
|
|
592 | } |
|
|
593 | |
|
|
594 | void inline_speed |
706 | void inline_speed |
595 | fd_event (EV_P_ int fd, int revents) |
707 | fd_event (EV_P_ int fd, int revents) |
596 | { |
708 | { |
597 | ANFD *anfd = anfds + fd; |
709 | ANFD *anfd = anfds + fd; |
598 | ev_io *w; |
710 | ev_io *w; |
… | |
… | |
630 | events |= (unsigned char)w->events; |
742 | events |= (unsigned char)w->events; |
631 | |
743 | |
632 | #if EV_SELECT_IS_WINSOCKET |
744 | #if EV_SELECT_IS_WINSOCKET |
633 | if (events) |
745 | if (events) |
634 | { |
746 | { |
635 | unsigned long argp; |
747 | unsigned long arg; |
636 | #ifdef EV_FD_TO_WIN32_HANDLE |
748 | #ifdef EV_FD_TO_WIN32_HANDLE |
637 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
749 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
638 | #else |
750 | #else |
639 | anfd->handle = _get_osfhandle (fd); |
751 | anfd->handle = _get_osfhandle (fd); |
640 | #endif |
752 | #endif |
641 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
753 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
642 | } |
754 | } |
643 | #endif |
755 | #endif |
644 | |
756 | |
645 | { |
757 | { |
646 | unsigned char o_events = anfd->events; |
758 | unsigned char o_events = anfd->events; |
… | |
… | |
699 | { |
811 | { |
700 | int fd; |
812 | int fd; |
701 | |
813 | |
702 | for (fd = 0; fd < anfdmax; ++fd) |
814 | for (fd = 0; fd < anfdmax; ++fd) |
703 | if (anfds [fd].events) |
815 | if (anfds [fd].events) |
704 | if (!fd_valid (fd) == -1 && errno == EBADF) |
816 | if (!fd_valid (fd) && errno == EBADF) |
705 | fd_kill (EV_A_ fd); |
817 | fd_kill (EV_A_ fd); |
706 | } |
818 | } |
707 | |
819 | |
708 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
820 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
709 | static void noinline |
821 | static void noinline |
… | |
… | |
727 | |
839 | |
728 | for (fd = 0; fd < anfdmax; ++fd) |
840 | for (fd = 0; fd < anfdmax; ++fd) |
729 | if (anfds [fd].events) |
841 | if (anfds [fd].events) |
730 | { |
842 | { |
731 | anfds [fd].events = 0; |
843 | anfds [fd].events = 0; |
|
|
844 | anfds [fd].emask = 0; |
732 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
845 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
733 | } |
846 | } |
734 | } |
847 | } |
735 | |
848 | |
736 | /*****************************************************************************/ |
849 | /*****************************************************************************/ |
737 | |
850 | |
|
|
851 | /* |
|
|
852 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
853 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
854 | * the branching factor of the d-tree. |
|
|
855 | */ |
|
|
856 | |
|
|
857 | /* |
|
|
858 | * at the moment we allow libev the luxury of two heaps, |
|
|
859 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
860 | * which is more cache-efficient. |
|
|
861 | * the difference is about 5% with 50000+ watchers. |
|
|
862 | */ |
|
|
863 | #if EV_USE_4HEAP |
|
|
864 | |
|
|
865 | #define DHEAP 4 |
|
|
866 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
867 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
868 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
869 | |
|
|
870 | /* away from the root */ |
738 | void inline_speed |
871 | void inline_speed |
739 | upheap (WT *heap, int k) |
872 | downheap (ANHE *heap, int N, int k) |
740 | { |
873 | { |
741 | WT w = heap [k]; |
874 | ANHE he = heap [k]; |
|
|
875 | ANHE *E = heap + N + HEAP0; |
742 | |
876 | |
743 | while (k) |
877 | for (;;) |
744 | { |
878 | { |
745 | int p = (k - 1) >> 1; |
879 | ev_tstamp minat; |
|
|
880 | ANHE *minpos; |
|
|
881 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
746 | |
882 | |
747 | if (heap [p]->at <= w->at) |
883 | /* find minimum child */ |
|
|
884 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
885 | { |
|
|
886 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
887 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
888 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
889 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
890 | } |
|
|
891 | else if (pos < E) |
|
|
892 | { |
|
|
893 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
894 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
895 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
896 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
897 | } |
|
|
898 | else |
748 | break; |
899 | break; |
749 | |
900 | |
|
|
901 | if (ANHE_at (he) <= minat) |
|
|
902 | break; |
|
|
903 | |
|
|
904 | heap [k] = *minpos; |
|
|
905 | ev_active (ANHE_w (*minpos)) = k; |
|
|
906 | |
|
|
907 | k = minpos - heap; |
|
|
908 | } |
|
|
909 | |
|
|
910 | heap [k] = he; |
|
|
911 | ev_active (ANHE_w (he)) = k; |
|
|
912 | } |
|
|
913 | |
|
|
914 | #else /* 4HEAP */ |
|
|
915 | |
|
|
916 | #define HEAP0 1 |
|
|
917 | #define HPARENT(k) ((k) >> 1) |
|
|
918 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
919 | |
|
|
920 | /* away from the root */ |
|
|
921 | void inline_speed |
|
|
922 | downheap (ANHE *heap, int N, int k) |
|
|
923 | { |
|
|
924 | ANHE he = heap [k]; |
|
|
925 | |
|
|
926 | for (;;) |
|
|
927 | { |
|
|
928 | int c = k << 1; |
|
|
929 | |
|
|
930 | if (c > N + HEAP0 - 1) |
|
|
931 | break; |
|
|
932 | |
|
|
933 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
934 | ? 1 : 0; |
|
|
935 | |
|
|
936 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
937 | break; |
|
|
938 | |
|
|
939 | heap [k] = heap [c]; |
|
|
940 | ev_active (ANHE_w (heap [k])) = k; |
|
|
941 | |
|
|
942 | k = c; |
|
|
943 | } |
|
|
944 | |
|
|
945 | heap [k] = he; |
|
|
946 | ev_active (ANHE_w (he)) = k; |
|
|
947 | } |
|
|
948 | #endif |
|
|
949 | |
|
|
950 | /* towards the root */ |
|
|
951 | void inline_speed |
|
|
952 | upheap (ANHE *heap, int k) |
|
|
953 | { |
|
|
954 | ANHE he = heap [k]; |
|
|
955 | |
|
|
956 | for (;;) |
|
|
957 | { |
|
|
958 | int p = HPARENT (k); |
|
|
959 | |
|
|
960 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
961 | break; |
|
|
962 | |
750 | heap [k] = heap [p]; |
963 | heap [k] = heap [p]; |
751 | ((W)heap [k])->active = k + 1; |
964 | ev_active (ANHE_w (heap [k])) = k; |
752 | k = p; |
965 | k = p; |
753 | } |
966 | } |
754 | |
967 | |
755 | heap [k] = w; |
968 | heap [k] = he; |
756 | ((W)heap [k])->active = k + 1; |
969 | ev_active (ANHE_w (he)) = k; |
757 | } |
|
|
758 | |
|
|
759 | void inline_speed |
|
|
760 | downheap (WT *heap, int N, int k) |
|
|
761 | { |
|
|
762 | WT w = heap [k]; |
|
|
763 | |
|
|
764 | for (;;) |
|
|
765 | { |
|
|
766 | int c = (k << 1) + 1; |
|
|
767 | |
|
|
768 | if (c >= N) |
|
|
769 | break; |
|
|
770 | |
|
|
771 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
772 | ? 1 : 0; |
|
|
773 | |
|
|
774 | if (w->at <= heap [c]->at) |
|
|
775 | break; |
|
|
776 | |
|
|
777 | heap [k] = heap [c]; |
|
|
778 | ((W)heap [k])->active = k + 1; |
|
|
779 | |
|
|
780 | k = c; |
|
|
781 | } |
|
|
782 | |
|
|
783 | heap [k] = w; |
|
|
784 | ((W)heap [k])->active = k + 1; |
|
|
785 | } |
970 | } |
786 | |
971 | |
787 | void inline_size |
972 | void inline_size |
788 | adjustheap (WT *heap, int N, int k) |
973 | adjustheap (ANHE *heap, int N, int k) |
789 | { |
974 | { |
|
|
975 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
790 | upheap (heap, k); |
976 | upheap (heap, k); |
|
|
977 | else |
791 | downheap (heap, N, k); |
978 | downheap (heap, N, k); |
|
|
979 | } |
|
|
980 | |
|
|
981 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
982 | void inline_size |
|
|
983 | reheap (ANHE *heap, int N) |
|
|
984 | { |
|
|
985 | int i; |
|
|
986 | |
|
|
987 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
988 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
989 | for (i = 0; i < N; ++i) |
|
|
990 | upheap (heap, i + HEAP0); |
792 | } |
991 | } |
793 | |
992 | |
794 | /*****************************************************************************/ |
993 | /*****************************************************************************/ |
795 | |
994 | |
796 | typedef struct |
995 | typedef struct |
… | |
… | |
802 | static ANSIG *signals; |
1001 | static ANSIG *signals; |
803 | static int signalmax; |
1002 | static int signalmax; |
804 | |
1003 | |
805 | static EV_ATOMIC_T gotsig; |
1004 | static EV_ATOMIC_T gotsig; |
806 | |
1005 | |
807 | void inline_size |
|
|
808 | signals_init (ANSIG *base, int count) |
|
|
809 | { |
|
|
810 | while (count--) |
|
|
811 | { |
|
|
812 | base->head = 0; |
|
|
813 | base->gotsig = 0; |
|
|
814 | |
|
|
815 | ++base; |
|
|
816 | } |
|
|
817 | } |
|
|
818 | |
|
|
819 | /*****************************************************************************/ |
1006 | /*****************************************************************************/ |
820 | |
1007 | |
821 | void inline_speed |
1008 | void inline_speed |
822 | fd_intern (int fd) |
1009 | fd_intern (int fd) |
823 | { |
1010 | { |
824 | #ifdef _WIN32 |
1011 | #ifdef _WIN32 |
825 | int arg = 1; |
1012 | unsigned long arg = 1; |
826 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1013 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
827 | #else |
1014 | #else |
828 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1015 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
829 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1016 | fcntl (fd, F_SETFL, O_NONBLOCK); |
830 | #endif |
1017 | #endif |
… | |
… | |
844 | } |
1031 | } |
845 | else |
1032 | else |
846 | #endif |
1033 | #endif |
847 | { |
1034 | { |
848 | while (pipe (evpipe)) |
1035 | while (pipe (evpipe)) |
849 | syserr ("(libev) error creating signal/async pipe"); |
1036 | ev_syserr ("(libev) error creating signal/async pipe"); |
850 | |
1037 | |
851 | fd_intern (evpipe [0]); |
1038 | fd_intern (evpipe [0]); |
852 | fd_intern (evpipe [1]); |
1039 | fd_intern (evpipe [1]); |
853 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1040 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
854 | } |
1041 | } |
… | |
… | |
885 | pipecb (EV_P_ ev_io *iow, int revents) |
1072 | pipecb (EV_P_ ev_io *iow, int revents) |
886 | { |
1073 | { |
887 | #if EV_USE_EVENTFD |
1074 | #if EV_USE_EVENTFD |
888 | if (evfd >= 0) |
1075 | if (evfd >= 0) |
889 | { |
1076 | { |
890 | uint64_t counter = 1; |
1077 | uint64_t counter; |
891 | read (evfd, &counter, sizeof (uint64_t)); |
1078 | read (evfd, &counter, sizeof (uint64_t)); |
892 | } |
1079 | } |
893 | else |
1080 | else |
894 | #endif |
1081 | #endif |
895 | { |
1082 | { |
… | |
… | |
1083 | /* kqueue is borked on everything but netbsd apparently */ |
1270 | /* kqueue is borked on everything but netbsd apparently */ |
1084 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1271 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1085 | flags &= ~EVBACKEND_KQUEUE; |
1272 | flags &= ~EVBACKEND_KQUEUE; |
1086 | #endif |
1273 | #endif |
1087 | #ifdef __APPLE__ |
1274 | #ifdef __APPLE__ |
1088 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1275 | // flags &= ~EVBACKEND_KQUEUE & ~EVBACKEND_POLL; for documentation |
1089 | flags &= ~EVBACKEND_POLL; |
1276 | flags &= ~EVBACKEND_SELECT; |
1090 | #endif |
1277 | #endif |
1091 | |
1278 | |
1092 | return flags; |
1279 | return flags; |
1093 | } |
1280 | } |
1094 | |
1281 | |
… | |
… | |
1164 | if (!(flags & EVFLAG_NOENV) |
1351 | if (!(flags & EVFLAG_NOENV) |
1165 | && !enable_secure () |
1352 | && !enable_secure () |
1166 | && getenv ("LIBEV_FLAGS")) |
1353 | && getenv ("LIBEV_FLAGS")) |
1167 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1354 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1168 | |
1355 | |
1169 | if (!(flags & 0x0000ffffUL)) |
1356 | if (!(flags & 0x0000ffffU)) |
1170 | flags |= ev_recommended_backends (); |
1357 | flags |= ev_recommended_backends (); |
1171 | |
1358 | |
1172 | #if EV_USE_PORT |
1359 | #if EV_USE_PORT |
1173 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1360 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1174 | #endif |
1361 | #endif |
… | |
… | |
1262 | #endif |
1449 | #endif |
1263 | |
1450 | |
1264 | backend = 0; |
1451 | backend = 0; |
1265 | } |
1452 | } |
1266 | |
1453 | |
|
|
1454 | #if EV_USE_INOTIFY |
1267 | void inline_size infy_fork (EV_P); |
1455 | void inline_size infy_fork (EV_P); |
|
|
1456 | #endif |
1268 | |
1457 | |
1269 | void inline_size |
1458 | void inline_size |
1270 | loop_fork (EV_P) |
1459 | loop_fork (EV_P) |
1271 | { |
1460 | { |
1272 | #if EV_USE_PORT |
1461 | #if EV_USE_PORT |
… | |
… | |
1312 | |
1501 | |
1313 | postfork = 0; |
1502 | postfork = 0; |
1314 | } |
1503 | } |
1315 | |
1504 | |
1316 | #if EV_MULTIPLICITY |
1505 | #if EV_MULTIPLICITY |
|
|
1506 | |
1317 | struct ev_loop * |
1507 | struct ev_loop * |
1318 | ev_loop_new (unsigned int flags) |
1508 | ev_loop_new (unsigned int flags) |
1319 | { |
1509 | { |
1320 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1510 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1321 | |
1511 | |
… | |
… | |
1340 | ev_loop_fork (EV_P) |
1530 | ev_loop_fork (EV_P) |
1341 | { |
1531 | { |
1342 | postfork = 1; /* must be in line with ev_default_fork */ |
1532 | postfork = 1; /* must be in line with ev_default_fork */ |
1343 | } |
1533 | } |
1344 | |
1534 | |
|
|
1535 | #if EV_VERIFY |
|
|
1536 | static void noinline |
|
|
1537 | verify_watcher (EV_P_ W w) |
|
|
1538 | { |
|
|
1539 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1540 | |
|
|
1541 | if (w->pending) |
|
|
1542 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1543 | } |
|
|
1544 | |
|
|
1545 | static void noinline |
|
|
1546 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1547 | { |
|
|
1548 | int i; |
|
|
1549 | |
|
|
1550 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1551 | { |
|
|
1552 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1553 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1554 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1555 | |
|
|
1556 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1557 | } |
|
|
1558 | } |
|
|
1559 | |
|
|
1560 | static void noinline |
|
|
1561 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1562 | { |
|
|
1563 | while (cnt--) |
|
|
1564 | { |
|
|
1565 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1566 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1567 | } |
|
|
1568 | } |
|
|
1569 | #endif |
|
|
1570 | |
|
|
1571 | void |
|
|
1572 | ev_loop_verify (EV_P) |
|
|
1573 | { |
|
|
1574 | #if EV_VERIFY |
|
|
1575 | int i; |
|
|
1576 | WL w; |
|
|
1577 | |
|
|
1578 | assert (activecnt >= -1); |
|
|
1579 | |
|
|
1580 | assert (fdchangemax >= fdchangecnt); |
|
|
1581 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1582 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1583 | |
|
|
1584 | assert (anfdmax >= 0); |
|
|
1585 | for (i = 0; i < anfdmax; ++i) |
|
|
1586 | for (w = anfds [i].head; w; w = w->next) |
|
|
1587 | { |
|
|
1588 | verify_watcher (EV_A_ (W)w); |
|
|
1589 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1590 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1591 | } |
|
|
1592 | |
|
|
1593 | assert (timermax >= timercnt); |
|
|
1594 | verify_heap (EV_A_ timers, timercnt); |
|
|
1595 | |
|
|
1596 | #if EV_PERIODIC_ENABLE |
|
|
1597 | assert (periodicmax >= periodiccnt); |
|
|
1598 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1599 | #endif |
|
|
1600 | |
|
|
1601 | for (i = NUMPRI; i--; ) |
|
|
1602 | { |
|
|
1603 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1604 | #if EV_IDLE_ENABLE |
|
|
1605 | assert (idleall >= 0); |
|
|
1606 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1607 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1608 | #endif |
|
|
1609 | } |
|
|
1610 | |
|
|
1611 | #if EV_FORK_ENABLE |
|
|
1612 | assert (forkmax >= forkcnt); |
|
|
1613 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1614 | #endif |
|
|
1615 | |
|
|
1616 | #if EV_ASYNC_ENABLE |
|
|
1617 | assert (asyncmax >= asynccnt); |
|
|
1618 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1619 | #endif |
|
|
1620 | |
|
|
1621 | assert (preparemax >= preparecnt); |
|
|
1622 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1623 | |
|
|
1624 | assert (checkmax >= checkcnt); |
|
|
1625 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1626 | |
|
|
1627 | # if 0 |
|
|
1628 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1629 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1345 | #endif |
1630 | # endif |
|
|
1631 | #endif |
|
|
1632 | } |
|
|
1633 | |
|
|
1634 | #endif /* multiplicity */ |
1346 | |
1635 | |
1347 | #if EV_MULTIPLICITY |
1636 | #if EV_MULTIPLICITY |
1348 | struct ev_loop * |
1637 | struct ev_loop * |
1349 | ev_default_loop_init (unsigned int flags) |
1638 | ev_default_loop_init (unsigned int flags) |
1350 | #else |
1639 | #else |
… | |
… | |
1383 | { |
1672 | { |
1384 | #if EV_MULTIPLICITY |
1673 | #if EV_MULTIPLICITY |
1385 | struct ev_loop *loop = ev_default_loop_ptr; |
1674 | struct ev_loop *loop = ev_default_loop_ptr; |
1386 | #endif |
1675 | #endif |
1387 | |
1676 | |
|
|
1677 | ev_default_loop_ptr = 0; |
|
|
1678 | |
1388 | #ifndef _WIN32 |
1679 | #ifndef _WIN32 |
1389 | ev_ref (EV_A); /* child watcher */ |
1680 | ev_ref (EV_A); /* child watcher */ |
1390 | ev_signal_stop (EV_A_ &childev); |
1681 | ev_signal_stop (EV_A_ &childev); |
1391 | #endif |
1682 | #endif |
1392 | |
1683 | |
… | |
… | |
1398 | { |
1689 | { |
1399 | #if EV_MULTIPLICITY |
1690 | #if EV_MULTIPLICITY |
1400 | struct ev_loop *loop = ev_default_loop_ptr; |
1691 | struct ev_loop *loop = ev_default_loop_ptr; |
1401 | #endif |
1692 | #endif |
1402 | |
1693 | |
1403 | if (backend) |
|
|
1404 | postfork = 1; /* must be in line with ev_loop_fork */ |
1694 | postfork = 1; /* must be in line with ev_loop_fork */ |
1405 | } |
1695 | } |
1406 | |
1696 | |
1407 | /*****************************************************************************/ |
1697 | /*****************************************************************************/ |
1408 | |
1698 | |
1409 | void |
1699 | void |
… | |
… | |
1426 | { |
1716 | { |
1427 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1717 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1428 | |
1718 | |
1429 | p->w->pending = 0; |
1719 | p->w->pending = 0; |
1430 | EV_CB_INVOKE (p->w, p->events); |
1720 | EV_CB_INVOKE (p->w, p->events); |
|
|
1721 | EV_FREQUENT_CHECK; |
1431 | } |
1722 | } |
1432 | } |
1723 | } |
1433 | } |
1724 | } |
1434 | |
|
|
1435 | void inline_size |
|
|
1436 | timers_reify (EV_P) |
|
|
1437 | { |
|
|
1438 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1439 | { |
|
|
1440 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1441 | |
|
|
1442 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1443 | |
|
|
1444 | /* first reschedule or stop timer */ |
|
|
1445 | if (w->repeat) |
|
|
1446 | { |
|
|
1447 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1448 | |
|
|
1449 | ((WT)w)->at += w->repeat; |
|
|
1450 | if (((WT)w)->at < mn_now) |
|
|
1451 | ((WT)w)->at = mn_now; |
|
|
1452 | |
|
|
1453 | downheap (timers, timercnt, 0); |
|
|
1454 | } |
|
|
1455 | else |
|
|
1456 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1457 | |
|
|
1458 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1459 | } |
|
|
1460 | } |
|
|
1461 | |
|
|
1462 | #if EV_PERIODIC_ENABLE |
|
|
1463 | void inline_size |
|
|
1464 | periodics_reify (EV_P) |
|
|
1465 | { |
|
|
1466 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1467 | { |
|
|
1468 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1469 | |
|
|
1470 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1471 | |
|
|
1472 | /* first reschedule or stop timer */ |
|
|
1473 | if (w->reschedule_cb) |
|
|
1474 | { |
|
|
1475 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1476 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1477 | downheap (periodics, periodiccnt, 0); |
|
|
1478 | } |
|
|
1479 | else if (w->interval) |
|
|
1480 | { |
|
|
1481 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1482 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1483 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1484 | downheap (periodics, periodiccnt, 0); |
|
|
1485 | } |
|
|
1486 | else |
|
|
1487 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1488 | |
|
|
1489 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1490 | } |
|
|
1491 | } |
|
|
1492 | |
|
|
1493 | static void noinline |
|
|
1494 | periodics_reschedule (EV_P) |
|
|
1495 | { |
|
|
1496 | int i; |
|
|
1497 | |
|
|
1498 | /* adjust periodics after time jump */ |
|
|
1499 | for (i = 0; i < periodiccnt; ++i) |
|
|
1500 | { |
|
|
1501 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1502 | |
|
|
1503 | if (w->reschedule_cb) |
|
|
1504 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1505 | else if (w->interval) |
|
|
1506 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1507 | } |
|
|
1508 | |
|
|
1509 | /* now rebuild the heap */ |
|
|
1510 | for (i = periodiccnt >> 1; i--; ) |
|
|
1511 | downheap (periodics, periodiccnt, i); |
|
|
1512 | } |
|
|
1513 | #endif |
|
|
1514 | |
1725 | |
1515 | #if EV_IDLE_ENABLE |
1726 | #if EV_IDLE_ENABLE |
1516 | void inline_size |
1727 | void inline_size |
1517 | idle_reify (EV_P) |
1728 | idle_reify (EV_P) |
1518 | { |
1729 | { |
… | |
… | |
1530 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1741 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1531 | break; |
1742 | break; |
1532 | } |
1743 | } |
1533 | } |
1744 | } |
1534 | } |
1745 | } |
|
|
1746 | } |
|
|
1747 | #endif |
|
|
1748 | |
|
|
1749 | void inline_size |
|
|
1750 | timers_reify (EV_P) |
|
|
1751 | { |
|
|
1752 | EV_FREQUENT_CHECK; |
|
|
1753 | |
|
|
1754 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1755 | { |
|
|
1756 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1757 | |
|
|
1758 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1759 | |
|
|
1760 | /* first reschedule or stop timer */ |
|
|
1761 | if (w->repeat) |
|
|
1762 | { |
|
|
1763 | ev_at (w) += w->repeat; |
|
|
1764 | if (ev_at (w) < mn_now) |
|
|
1765 | ev_at (w) = mn_now; |
|
|
1766 | |
|
|
1767 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1768 | |
|
|
1769 | ANHE_at_cache (timers [HEAP0]); |
|
|
1770 | downheap (timers, timercnt, HEAP0); |
|
|
1771 | } |
|
|
1772 | else |
|
|
1773 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1774 | |
|
|
1775 | EV_FREQUENT_CHECK; |
|
|
1776 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1777 | } |
|
|
1778 | } |
|
|
1779 | |
|
|
1780 | #if EV_PERIODIC_ENABLE |
|
|
1781 | void inline_size |
|
|
1782 | periodics_reify (EV_P) |
|
|
1783 | { |
|
|
1784 | EV_FREQUENT_CHECK; |
|
|
1785 | |
|
|
1786 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1787 | { |
|
|
1788 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1789 | |
|
|
1790 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1791 | |
|
|
1792 | /* first reschedule or stop timer */ |
|
|
1793 | if (w->reschedule_cb) |
|
|
1794 | { |
|
|
1795 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1796 | |
|
|
1797 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1798 | |
|
|
1799 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1800 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1801 | } |
|
|
1802 | else if (w->interval) |
|
|
1803 | { |
|
|
1804 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1805 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1806 | /* this might happen because of floating point inexactness */ |
|
|
1807 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1808 | { |
|
|
1809 | ev_at (w) += w->interval; |
|
|
1810 | |
|
|
1811 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1812 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1813 | /* has effectively asked to get triggered more often than possible */ |
|
|
1814 | if (ev_at (w) < ev_rt_now) |
|
|
1815 | ev_at (w) = ev_rt_now; |
|
|
1816 | } |
|
|
1817 | |
|
|
1818 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1819 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1820 | } |
|
|
1821 | else |
|
|
1822 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1823 | |
|
|
1824 | EV_FREQUENT_CHECK; |
|
|
1825 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1826 | } |
|
|
1827 | } |
|
|
1828 | |
|
|
1829 | static void noinline |
|
|
1830 | periodics_reschedule (EV_P) |
|
|
1831 | { |
|
|
1832 | int i; |
|
|
1833 | |
|
|
1834 | /* adjust periodics after time jump */ |
|
|
1835 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1836 | { |
|
|
1837 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1838 | |
|
|
1839 | if (w->reschedule_cb) |
|
|
1840 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1841 | else if (w->interval) |
|
|
1842 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1843 | |
|
|
1844 | ANHE_at_cache (periodics [i]); |
|
|
1845 | } |
|
|
1846 | |
|
|
1847 | reheap (periodics, periodiccnt); |
1535 | } |
1848 | } |
1536 | #endif |
1849 | #endif |
1537 | |
1850 | |
1538 | void inline_speed |
1851 | void inline_speed |
1539 | time_update (EV_P_ ev_tstamp max_block) |
1852 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1568 | */ |
1881 | */ |
1569 | for (i = 4; --i; ) |
1882 | for (i = 4; --i; ) |
1570 | { |
1883 | { |
1571 | rtmn_diff = ev_rt_now - mn_now; |
1884 | rtmn_diff = ev_rt_now - mn_now; |
1572 | |
1885 | |
1573 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1886 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1574 | return; /* all is well */ |
1887 | return; /* all is well */ |
1575 | |
1888 | |
1576 | ev_rt_now = ev_time (); |
1889 | ev_rt_now = ev_time (); |
1577 | mn_now = get_clock (); |
1890 | mn_now = get_clock (); |
1578 | now_floor = mn_now; |
1891 | now_floor = mn_now; |
… | |
… | |
1594 | #if EV_PERIODIC_ENABLE |
1907 | #if EV_PERIODIC_ENABLE |
1595 | periodics_reschedule (EV_A); |
1908 | periodics_reschedule (EV_A); |
1596 | #endif |
1909 | #endif |
1597 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1910 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1598 | for (i = 0; i < timercnt; ++i) |
1911 | for (i = 0; i < timercnt; ++i) |
|
|
1912 | { |
|
|
1913 | ANHE *he = timers + i + HEAP0; |
1599 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1914 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1915 | ANHE_at_cache (*he); |
|
|
1916 | } |
1600 | } |
1917 | } |
1601 | |
1918 | |
1602 | mn_now = ev_rt_now; |
1919 | mn_now = ev_rt_now; |
1603 | } |
1920 | } |
1604 | } |
1921 | } |
… | |
… | |
1613 | ev_unref (EV_P) |
1930 | ev_unref (EV_P) |
1614 | { |
1931 | { |
1615 | --activecnt; |
1932 | --activecnt; |
1616 | } |
1933 | } |
1617 | |
1934 | |
|
|
1935 | void |
|
|
1936 | ev_now_update (EV_P) |
|
|
1937 | { |
|
|
1938 | time_update (EV_A_ 1e100); |
|
|
1939 | } |
|
|
1940 | |
1618 | static int loop_done; |
1941 | static int loop_done; |
1619 | |
1942 | |
1620 | void |
1943 | void |
1621 | ev_loop (EV_P_ int flags) |
1944 | ev_loop (EV_P_ int flags) |
1622 | { |
1945 | { |
… | |
… | |
1624 | |
1947 | |
1625 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1948 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1626 | |
1949 | |
1627 | do |
1950 | do |
1628 | { |
1951 | { |
|
|
1952 | #if EV_VERIFY >= 2 |
|
|
1953 | ev_loop_verify (EV_A); |
|
|
1954 | #endif |
|
|
1955 | |
1629 | #ifndef _WIN32 |
1956 | #ifndef _WIN32 |
1630 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1957 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1631 | if (expect_false (getpid () != curpid)) |
1958 | if (expect_false (getpid () != curpid)) |
1632 | { |
1959 | { |
1633 | curpid = getpid (); |
1960 | curpid = getpid (); |
… | |
… | |
1674 | |
2001 | |
1675 | waittime = MAX_BLOCKTIME; |
2002 | waittime = MAX_BLOCKTIME; |
1676 | |
2003 | |
1677 | if (timercnt) |
2004 | if (timercnt) |
1678 | { |
2005 | { |
1679 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
2006 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1680 | if (waittime > to) waittime = to; |
2007 | if (waittime > to) waittime = to; |
1681 | } |
2008 | } |
1682 | |
2009 | |
1683 | #if EV_PERIODIC_ENABLE |
2010 | #if EV_PERIODIC_ENABLE |
1684 | if (periodiccnt) |
2011 | if (periodiccnt) |
1685 | { |
2012 | { |
1686 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
2013 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1687 | if (waittime > to) waittime = to; |
2014 | if (waittime > to) waittime = to; |
1688 | } |
2015 | } |
1689 | #endif |
2016 | #endif |
1690 | |
2017 | |
1691 | if (expect_false (waittime < timeout_blocktime)) |
2018 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1827 | |
2154 | |
1828 | if (expect_false (ev_is_active (w))) |
2155 | if (expect_false (ev_is_active (w))) |
1829 | return; |
2156 | return; |
1830 | |
2157 | |
1831 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2158 | assert (("ev_io_start called with negative fd", fd >= 0)); |
|
|
2159 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2160 | |
|
|
2161 | EV_FREQUENT_CHECK; |
1832 | |
2162 | |
1833 | ev_start (EV_A_ (W)w, 1); |
2163 | ev_start (EV_A_ (W)w, 1); |
1834 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2164 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1835 | wlist_add (&anfds[fd].head, (WL)w); |
2165 | wlist_add (&anfds[fd].head, (WL)w); |
1836 | |
2166 | |
1837 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2167 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1838 | w->events &= ~EV_IOFDSET; |
2168 | w->events &= ~EV_IOFDSET; |
|
|
2169 | |
|
|
2170 | EV_FREQUENT_CHECK; |
1839 | } |
2171 | } |
1840 | |
2172 | |
1841 | void noinline |
2173 | void noinline |
1842 | ev_io_stop (EV_P_ ev_io *w) |
2174 | ev_io_stop (EV_P_ ev_io *w) |
1843 | { |
2175 | { |
1844 | clear_pending (EV_A_ (W)w); |
2176 | clear_pending (EV_A_ (W)w); |
1845 | if (expect_false (!ev_is_active (w))) |
2177 | if (expect_false (!ev_is_active (w))) |
1846 | return; |
2178 | return; |
1847 | |
2179 | |
1848 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2180 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2181 | |
|
|
2182 | EV_FREQUENT_CHECK; |
1849 | |
2183 | |
1850 | wlist_del (&anfds[w->fd].head, (WL)w); |
2184 | wlist_del (&anfds[w->fd].head, (WL)w); |
1851 | ev_stop (EV_A_ (W)w); |
2185 | ev_stop (EV_A_ (W)w); |
1852 | |
2186 | |
1853 | fd_change (EV_A_ w->fd, 1); |
2187 | fd_change (EV_A_ w->fd, 1); |
|
|
2188 | |
|
|
2189 | EV_FREQUENT_CHECK; |
1854 | } |
2190 | } |
1855 | |
2191 | |
1856 | void noinline |
2192 | void noinline |
1857 | ev_timer_start (EV_P_ ev_timer *w) |
2193 | ev_timer_start (EV_P_ ev_timer *w) |
1858 | { |
2194 | { |
1859 | if (expect_false (ev_is_active (w))) |
2195 | if (expect_false (ev_is_active (w))) |
1860 | return; |
2196 | return; |
1861 | |
2197 | |
1862 | ((WT)w)->at += mn_now; |
2198 | ev_at (w) += mn_now; |
1863 | |
2199 | |
1864 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2200 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1865 | |
2201 | |
|
|
2202 | EV_FREQUENT_CHECK; |
|
|
2203 | |
|
|
2204 | ++timercnt; |
1866 | ev_start (EV_A_ (W)w, ++timercnt); |
2205 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1867 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2206 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1868 | timers [timercnt - 1] = (WT)w; |
2207 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1869 | upheap (timers, timercnt - 1); |
2208 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2209 | upheap (timers, ev_active (w)); |
1870 | |
2210 | |
|
|
2211 | EV_FREQUENT_CHECK; |
|
|
2212 | |
1871 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2213 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1872 | } |
2214 | } |
1873 | |
2215 | |
1874 | void noinline |
2216 | void noinline |
1875 | ev_timer_stop (EV_P_ ev_timer *w) |
2217 | ev_timer_stop (EV_P_ ev_timer *w) |
1876 | { |
2218 | { |
1877 | clear_pending (EV_A_ (W)w); |
2219 | clear_pending (EV_A_ (W)w); |
1878 | if (expect_false (!ev_is_active (w))) |
2220 | if (expect_false (!ev_is_active (w))) |
1879 | return; |
2221 | return; |
1880 | |
2222 | |
1881 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2223 | EV_FREQUENT_CHECK; |
1882 | |
2224 | |
1883 | { |
2225 | { |
1884 | int active = ((W)w)->active; |
2226 | int active = ev_active (w); |
1885 | |
2227 | |
|
|
2228 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2229 | |
|
|
2230 | --timercnt; |
|
|
2231 | |
1886 | if (expect_true (--active < --timercnt)) |
2232 | if (expect_true (active < timercnt + HEAP0)) |
1887 | { |
2233 | { |
1888 | timers [active] = timers [timercnt]; |
2234 | timers [active] = timers [timercnt + HEAP0]; |
1889 | adjustheap (timers, timercnt, active); |
2235 | adjustheap (timers, timercnt, active); |
1890 | } |
2236 | } |
1891 | } |
2237 | } |
1892 | |
2238 | |
1893 | ((WT)w)->at -= mn_now; |
2239 | EV_FREQUENT_CHECK; |
|
|
2240 | |
|
|
2241 | ev_at (w) -= mn_now; |
1894 | |
2242 | |
1895 | ev_stop (EV_A_ (W)w); |
2243 | ev_stop (EV_A_ (W)w); |
1896 | } |
2244 | } |
1897 | |
2245 | |
1898 | void noinline |
2246 | void noinline |
1899 | ev_timer_again (EV_P_ ev_timer *w) |
2247 | ev_timer_again (EV_P_ ev_timer *w) |
1900 | { |
2248 | { |
|
|
2249 | EV_FREQUENT_CHECK; |
|
|
2250 | |
1901 | if (ev_is_active (w)) |
2251 | if (ev_is_active (w)) |
1902 | { |
2252 | { |
1903 | if (w->repeat) |
2253 | if (w->repeat) |
1904 | { |
2254 | { |
1905 | ((WT)w)->at = mn_now + w->repeat; |
2255 | ev_at (w) = mn_now + w->repeat; |
|
|
2256 | ANHE_at_cache (timers [ev_active (w)]); |
1906 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2257 | adjustheap (timers, timercnt, ev_active (w)); |
1907 | } |
2258 | } |
1908 | else |
2259 | else |
1909 | ev_timer_stop (EV_A_ w); |
2260 | ev_timer_stop (EV_A_ w); |
1910 | } |
2261 | } |
1911 | else if (w->repeat) |
2262 | else if (w->repeat) |
1912 | { |
2263 | { |
1913 | w->at = w->repeat; |
2264 | ev_at (w) = w->repeat; |
1914 | ev_timer_start (EV_A_ w); |
2265 | ev_timer_start (EV_A_ w); |
1915 | } |
2266 | } |
|
|
2267 | |
|
|
2268 | EV_FREQUENT_CHECK; |
1916 | } |
2269 | } |
1917 | |
2270 | |
1918 | #if EV_PERIODIC_ENABLE |
2271 | #if EV_PERIODIC_ENABLE |
1919 | void noinline |
2272 | void noinline |
1920 | ev_periodic_start (EV_P_ ev_periodic *w) |
2273 | ev_periodic_start (EV_P_ ev_periodic *w) |
1921 | { |
2274 | { |
1922 | if (expect_false (ev_is_active (w))) |
2275 | if (expect_false (ev_is_active (w))) |
1923 | return; |
2276 | return; |
1924 | |
2277 | |
1925 | if (w->reschedule_cb) |
2278 | if (w->reschedule_cb) |
1926 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2279 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1927 | else if (w->interval) |
2280 | else if (w->interval) |
1928 | { |
2281 | { |
1929 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2282 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1930 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2283 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1931 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2284 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1932 | } |
2285 | } |
1933 | else |
2286 | else |
1934 | ((WT)w)->at = w->offset; |
2287 | ev_at (w) = w->offset; |
1935 | |
2288 | |
|
|
2289 | EV_FREQUENT_CHECK; |
|
|
2290 | |
|
|
2291 | ++periodiccnt; |
1936 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2292 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1937 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2293 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1938 | periodics [periodiccnt - 1] = (WT)w; |
2294 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1939 | upheap (periodics, periodiccnt - 1); |
2295 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2296 | upheap (periodics, ev_active (w)); |
1940 | |
2297 | |
|
|
2298 | EV_FREQUENT_CHECK; |
|
|
2299 | |
1941 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2300 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1942 | } |
2301 | } |
1943 | |
2302 | |
1944 | void noinline |
2303 | void noinline |
1945 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2304 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1946 | { |
2305 | { |
1947 | clear_pending (EV_A_ (W)w); |
2306 | clear_pending (EV_A_ (W)w); |
1948 | if (expect_false (!ev_is_active (w))) |
2307 | if (expect_false (!ev_is_active (w))) |
1949 | return; |
2308 | return; |
1950 | |
2309 | |
1951 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2310 | EV_FREQUENT_CHECK; |
1952 | |
2311 | |
1953 | { |
2312 | { |
1954 | int active = ((W)w)->active; |
2313 | int active = ev_active (w); |
1955 | |
2314 | |
|
|
2315 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2316 | |
|
|
2317 | --periodiccnt; |
|
|
2318 | |
1956 | if (expect_true (--active < --periodiccnt)) |
2319 | if (expect_true (active < periodiccnt + HEAP0)) |
1957 | { |
2320 | { |
1958 | periodics [active] = periodics [periodiccnt]; |
2321 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1959 | adjustheap (periodics, periodiccnt, active); |
2322 | adjustheap (periodics, periodiccnt, active); |
1960 | } |
2323 | } |
1961 | } |
2324 | } |
1962 | |
2325 | |
|
|
2326 | EV_FREQUENT_CHECK; |
|
|
2327 | |
1963 | ev_stop (EV_A_ (W)w); |
2328 | ev_stop (EV_A_ (W)w); |
1964 | } |
2329 | } |
1965 | |
2330 | |
1966 | void noinline |
2331 | void noinline |
1967 | ev_periodic_again (EV_P_ ev_periodic *w) |
2332 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1986 | return; |
2351 | return; |
1987 | |
2352 | |
1988 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2353 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1989 | |
2354 | |
1990 | evpipe_init (EV_A); |
2355 | evpipe_init (EV_A); |
|
|
2356 | |
|
|
2357 | EV_FREQUENT_CHECK; |
1991 | |
2358 | |
1992 | { |
2359 | { |
1993 | #ifndef _WIN32 |
2360 | #ifndef _WIN32 |
1994 | sigset_t full, prev; |
2361 | sigset_t full, prev; |
1995 | sigfillset (&full); |
2362 | sigfillset (&full); |
1996 | sigprocmask (SIG_SETMASK, &full, &prev); |
2363 | sigprocmask (SIG_SETMASK, &full, &prev); |
1997 | #endif |
2364 | #endif |
1998 | |
2365 | |
1999 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2366 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2000 | |
2367 | |
2001 | #ifndef _WIN32 |
2368 | #ifndef _WIN32 |
2002 | sigprocmask (SIG_SETMASK, &prev, 0); |
2369 | sigprocmask (SIG_SETMASK, &prev, 0); |
2003 | #endif |
2370 | #endif |
2004 | } |
2371 | } |
… | |
… | |
2016 | sigfillset (&sa.sa_mask); |
2383 | sigfillset (&sa.sa_mask); |
2017 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2384 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2018 | sigaction (w->signum, &sa, 0); |
2385 | sigaction (w->signum, &sa, 0); |
2019 | #endif |
2386 | #endif |
2020 | } |
2387 | } |
|
|
2388 | |
|
|
2389 | EV_FREQUENT_CHECK; |
2021 | } |
2390 | } |
2022 | |
2391 | |
2023 | void noinline |
2392 | void noinline |
2024 | ev_signal_stop (EV_P_ ev_signal *w) |
2393 | ev_signal_stop (EV_P_ ev_signal *w) |
2025 | { |
2394 | { |
2026 | clear_pending (EV_A_ (W)w); |
2395 | clear_pending (EV_A_ (W)w); |
2027 | if (expect_false (!ev_is_active (w))) |
2396 | if (expect_false (!ev_is_active (w))) |
2028 | return; |
2397 | return; |
2029 | |
2398 | |
|
|
2399 | EV_FREQUENT_CHECK; |
|
|
2400 | |
2030 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2401 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2031 | ev_stop (EV_A_ (W)w); |
2402 | ev_stop (EV_A_ (W)w); |
2032 | |
2403 | |
2033 | if (!signals [w->signum - 1].head) |
2404 | if (!signals [w->signum - 1].head) |
2034 | signal (w->signum, SIG_DFL); |
2405 | signal (w->signum, SIG_DFL); |
|
|
2406 | |
|
|
2407 | EV_FREQUENT_CHECK; |
2035 | } |
2408 | } |
2036 | |
2409 | |
2037 | void |
2410 | void |
2038 | ev_child_start (EV_P_ ev_child *w) |
2411 | ev_child_start (EV_P_ ev_child *w) |
2039 | { |
2412 | { |
… | |
… | |
2041 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2414 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2042 | #endif |
2415 | #endif |
2043 | if (expect_false (ev_is_active (w))) |
2416 | if (expect_false (ev_is_active (w))) |
2044 | return; |
2417 | return; |
2045 | |
2418 | |
|
|
2419 | EV_FREQUENT_CHECK; |
|
|
2420 | |
2046 | ev_start (EV_A_ (W)w, 1); |
2421 | ev_start (EV_A_ (W)w, 1); |
2047 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2422 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2423 | |
|
|
2424 | EV_FREQUENT_CHECK; |
2048 | } |
2425 | } |
2049 | |
2426 | |
2050 | void |
2427 | void |
2051 | ev_child_stop (EV_P_ ev_child *w) |
2428 | ev_child_stop (EV_P_ ev_child *w) |
2052 | { |
2429 | { |
2053 | clear_pending (EV_A_ (W)w); |
2430 | clear_pending (EV_A_ (W)w); |
2054 | if (expect_false (!ev_is_active (w))) |
2431 | if (expect_false (!ev_is_active (w))) |
2055 | return; |
2432 | return; |
2056 | |
2433 | |
|
|
2434 | EV_FREQUENT_CHECK; |
|
|
2435 | |
2057 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2436 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2058 | ev_stop (EV_A_ (W)w); |
2437 | ev_stop (EV_A_ (W)w); |
|
|
2438 | |
|
|
2439 | EV_FREQUENT_CHECK; |
2059 | } |
2440 | } |
2060 | |
2441 | |
2061 | #if EV_STAT_ENABLE |
2442 | #if EV_STAT_ENABLE |
2062 | |
2443 | |
2063 | # ifdef _WIN32 |
2444 | # ifdef _WIN32 |
2064 | # undef lstat |
2445 | # undef lstat |
2065 | # define lstat(a,b) _stati64 (a,b) |
2446 | # define lstat(a,b) _stati64 (a,b) |
2066 | # endif |
2447 | # endif |
2067 | |
2448 | |
2068 | #define DEF_STAT_INTERVAL 5.0074891 |
2449 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2450 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2069 | #define MIN_STAT_INTERVAL 0.1074891 |
2451 | #define MIN_STAT_INTERVAL 0.1074891 |
2070 | |
2452 | |
2071 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2453 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2072 | |
2454 | |
2073 | #if EV_USE_INOTIFY |
2455 | #if EV_USE_INOTIFY |
2074 | # define EV_INOTIFY_BUFSIZE 8192 |
2456 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2078 | { |
2460 | { |
2079 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2461 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2080 | |
2462 | |
2081 | if (w->wd < 0) |
2463 | if (w->wd < 0) |
2082 | { |
2464 | { |
|
|
2465 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2083 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2466 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2084 | |
2467 | |
2085 | /* monitor some parent directory for speedup hints */ |
2468 | /* monitor some parent directory for speedup hints */ |
|
|
2469 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
|
|
2470 | /* but an efficiency issue only */ |
2086 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2471 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2087 | { |
2472 | { |
2088 | char path [4096]; |
2473 | char path [4096]; |
2089 | strcpy (path, w->path); |
2474 | strcpy (path, w->path); |
2090 | |
2475 | |
… | |
… | |
2093 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2478 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2094 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2479 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2095 | |
2480 | |
2096 | char *pend = strrchr (path, '/'); |
2481 | char *pend = strrchr (path, '/'); |
2097 | |
2482 | |
2098 | if (!pend) |
2483 | if (!pend || pend == path) |
2099 | break; /* whoops, no '/', complain to your admin */ |
2484 | break; |
2100 | |
2485 | |
2101 | *pend = 0; |
2486 | *pend = 0; |
2102 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2487 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2103 | } |
2488 | } |
2104 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2489 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2105 | } |
2490 | } |
2106 | } |
2491 | } |
2107 | else |
|
|
2108 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2109 | |
2492 | |
2110 | if (w->wd >= 0) |
2493 | if (w->wd >= 0) |
|
|
2494 | { |
2111 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2495 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2496 | |
|
|
2497 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2498 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2499 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2500 | struct statfs sfs; |
|
|
2501 | |
|
|
2502 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2503 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2504 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2505 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2506 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2507 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2508 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2509 | return; |
|
|
2510 | |
|
|
2511 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2512 | ev_timer_again (EV_A_ &w->timer); |
|
|
2513 | } |
2112 | } |
2514 | } |
2113 | |
2515 | |
2114 | static void noinline |
2516 | static void noinline |
2115 | infy_del (EV_P_ ev_stat *w) |
2517 | infy_del (EV_P_ ev_stat *w) |
2116 | { |
2518 | { |
… | |
… | |
2130 | |
2532 | |
2131 | static void noinline |
2533 | static void noinline |
2132 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2534 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2133 | { |
2535 | { |
2134 | if (slot < 0) |
2536 | if (slot < 0) |
2135 | /* overflow, need to check for all hahs slots */ |
2537 | /* overflow, need to check for all hash slots */ |
2136 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2538 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2137 | infy_wd (EV_A_ slot, wd, ev); |
2539 | infy_wd (EV_A_ slot, wd, ev); |
2138 | else |
2540 | else |
2139 | { |
2541 | { |
2140 | WL w_; |
2542 | WL w_; |
… | |
… | |
2146 | |
2548 | |
2147 | if (w->wd == wd || wd == -1) |
2549 | if (w->wd == wd || wd == -1) |
2148 | { |
2550 | { |
2149 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2551 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2150 | { |
2552 | { |
|
|
2553 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2151 | w->wd = -1; |
2554 | w->wd = -1; |
2152 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2555 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2153 | } |
2556 | } |
2154 | |
2557 | |
2155 | stat_timer_cb (EV_A_ &w->timer, 0); |
2558 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2169 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2572 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2170 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2573 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2171 | } |
2574 | } |
2172 | |
2575 | |
2173 | void inline_size |
2576 | void inline_size |
|
|
2577 | check_2625 (EV_P) |
|
|
2578 | { |
|
|
2579 | /* kernels < 2.6.25 are borked |
|
|
2580 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2581 | */ |
|
|
2582 | struct utsname buf; |
|
|
2583 | int major, minor, micro; |
|
|
2584 | |
|
|
2585 | if (uname (&buf)) |
|
|
2586 | return; |
|
|
2587 | |
|
|
2588 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2589 | return; |
|
|
2590 | |
|
|
2591 | if (major < 2 |
|
|
2592 | || (major == 2 && minor < 6) |
|
|
2593 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2594 | return; |
|
|
2595 | |
|
|
2596 | fs_2625 = 1; |
|
|
2597 | } |
|
|
2598 | |
|
|
2599 | void inline_size |
2174 | infy_init (EV_P) |
2600 | infy_init (EV_P) |
2175 | { |
2601 | { |
2176 | if (fs_fd != -2) |
2602 | if (fs_fd != -2) |
2177 | return; |
2603 | return; |
|
|
2604 | |
|
|
2605 | fs_fd = -1; |
|
|
2606 | |
|
|
2607 | check_2625 (EV_A); |
2178 | |
2608 | |
2179 | fs_fd = inotify_init (); |
2609 | fs_fd = inotify_init (); |
2180 | |
2610 | |
2181 | if (fs_fd >= 0) |
2611 | if (fs_fd >= 0) |
2182 | { |
2612 | { |
… | |
… | |
2210 | w->wd = -1; |
2640 | w->wd = -1; |
2211 | |
2641 | |
2212 | if (fs_fd >= 0) |
2642 | if (fs_fd >= 0) |
2213 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2643 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2214 | else |
2644 | else |
2215 | ev_timer_start (EV_A_ &w->timer); |
2645 | ev_timer_again (EV_A_ &w->timer); |
2216 | } |
2646 | } |
2217 | |
|
|
2218 | } |
2647 | } |
2219 | } |
2648 | } |
2220 | |
2649 | |
|
|
2650 | #endif |
|
|
2651 | |
|
|
2652 | #ifdef _WIN32 |
|
|
2653 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2654 | #else |
|
|
2655 | # define EV_LSTAT(p,b) lstat (p, b) |
2221 | #endif |
2656 | #endif |
2222 | |
2657 | |
2223 | void |
2658 | void |
2224 | ev_stat_stat (EV_P_ ev_stat *w) |
2659 | ev_stat_stat (EV_P_ ev_stat *w) |
2225 | { |
2660 | { |
… | |
… | |
2252 | || w->prev.st_atime != w->attr.st_atime |
2687 | || w->prev.st_atime != w->attr.st_atime |
2253 | || w->prev.st_mtime != w->attr.st_mtime |
2688 | || w->prev.st_mtime != w->attr.st_mtime |
2254 | || w->prev.st_ctime != w->attr.st_ctime |
2689 | || w->prev.st_ctime != w->attr.st_ctime |
2255 | ) { |
2690 | ) { |
2256 | #if EV_USE_INOTIFY |
2691 | #if EV_USE_INOTIFY |
|
|
2692 | if (fs_fd >= 0) |
|
|
2693 | { |
2257 | infy_del (EV_A_ w); |
2694 | infy_del (EV_A_ w); |
2258 | infy_add (EV_A_ w); |
2695 | infy_add (EV_A_ w); |
2259 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2696 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2697 | } |
2260 | #endif |
2698 | #endif |
2261 | |
2699 | |
2262 | ev_feed_event (EV_A_ w, EV_STAT); |
2700 | ev_feed_event (EV_A_ w, EV_STAT); |
2263 | } |
2701 | } |
2264 | } |
2702 | } |
… | |
… | |
2267 | ev_stat_start (EV_P_ ev_stat *w) |
2705 | ev_stat_start (EV_P_ ev_stat *w) |
2268 | { |
2706 | { |
2269 | if (expect_false (ev_is_active (w))) |
2707 | if (expect_false (ev_is_active (w))) |
2270 | return; |
2708 | return; |
2271 | |
2709 | |
2272 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2273 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2274 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2275 | |
|
|
2276 | ev_stat_stat (EV_A_ w); |
2710 | ev_stat_stat (EV_A_ w); |
2277 | |
2711 | |
|
|
2712 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2278 | if (w->interval < MIN_STAT_INTERVAL) |
2713 | w->interval = MIN_STAT_INTERVAL; |
2279 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2280 | |
2714 | |
2281 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2715 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2282 | ev_set_priority (&w->timer, ev_priority (w)); |
2716 | ev_set_priority (&w->timer, ev_priority (w)); |
2283 | |
2717 | |
2284 | #if EV_USE_INOTIFY |
2718 | #if EV_USE_INOTIFY |
2285 | infy_init (EV_A); |
2719 | infy_init (EV_A); |
2286 | |
2720 | |
2287 | if (fs_fd >= 0) |
2721 | if (fs_fd >= 0) |
2288 | infy_add (EV_A_ w); |
2722 | infy_add (EV_A_ w); |
2289 | else |
2723 | else |
2290 | #endif |
2724 | #endif |
2291 | ev_timer_start (EV_A_ &w->timer); |
2725 | ev_timer_again (EV_A_ &w->timer); |
2292 | |
2726 | |
2293 | ev_start (EV_A_ (W)w, 1); |
2727 | ev_start (EV_A_ (W)w, 1); |
|
|
2728 | |
|
|
2729 | EV_FREQUENT_CHECK; |
2294 | } |
2730 | } |
2295 | |
2731 | |
2296 | void |
2732 | void |
2297 | ev_stat_stop (EV_P_ ev_stat *w) |
2733 | ev_stat_stop (EV_P_ ev_stat *w) |
2298 | { |
2734 | { |
2299 | clear_pending (EV_A_ (W)w); |
2735 | clear_pending (EV_A_ (W)w); |
2300 | if (expect_false (!ev_is_active (w))) |
2736 | if (expect_false (!ev_is_active (w))) |
2301 | return; |
2737 | return; |
2302 | |
2738 | |
|
|
2739 | EV_FREQUENT_CHECK; |
|
|
2740 | |
2303 | #if EV_USE_INOTIFY |
2741 | #if EV_USE_INOTIFY |
2304 | infy_del (EV_A_ w); |
2742 | infy_del (EV_A_ w); |
2305 | #endif |
2743 | #endif |
2306 | ev_timer_stop (EV_A_ &w->timer); |
2744 | ev_timer_stop (EV_A_ &w->timer); |
2307 | |
2745 | |
2308 | ev_stop (EV_A_ (W)w); |
2746 | ev_stop (EV_A_ (W)w); |
|
|
2747 | |
|
|
2748 | EV_FREQUENT_CHECK; |
2309 | } |
2749 | } |
2310 | #endif |
2750 | #endif |
2311 | |
2751 | |
2312 | #if EV_IDLE_ENABLE |
2752 | #if EV_IDLE_ENABLE |
2313 | void |
2753 | void |
… | |
… | |
2315 | { |
2755 | { |
2316 | if (expect_false (ev_is_active (w))) |
2756 | if (expect_false (ev_is_active (w))) |
2317 | return; |
2757 | return; |
2318 | |
2758 | |
2319 | pri_adjust (EV_A_ (W)w); |
2759 | pri_adjust (EV_A_ (W)w); |
|
|
2760 | |
|
|
2761 | EV_FREQUENT_CHECK; |
2320 | |
2762 | |
2321 | { |
2763 | { |
2322 | int active = ++idlecnt [ABSPRI (w)]; |
2764 | int active = ++idlecnt [ABSPRI (w)]; |
2323 | |
2765 | |
2324 | ++idleall; |
2766 | ++idleall; |
2325 | ev_start (EV_A_ (W)w, active); |
2767 | ev_start (EV_A_ (W)w, active); |
2326 | |
2768 | |
2327 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2769 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2328 | idles [ABSPRI (w)][active - 1] = w; |
2770 | idles [ABSPRI (w)][active - 1] = w; |
2329 | } |
2771 | } |
|
|
2772 | |
|
|
2773 | EV_FREQUENT_CHECK; |
2330 | } |
2774 | } |
2331 | |
2775 | |
2332 | void |
2776 | void |
2333 | ev_idle_stop (EV_P_ ev_idle *w) |
2777 | ev_idle_stop (EV_P_ ev_idle *w) |
2334 | { |
2778 | { |
2335 | clear_pending (EV_A_ (W)w); |
2779 | clear_pending (EV_A_ (W)w); |
2336 | if (expect_false (!ev_is_active (w))) |
2780 | if (expect_false (!ev_is_active (w))) |
2337 | return; |
2781 | return; |
2338 | |
2782 | |
|
|
2783 | EV_FREQUENT_CHECK; |
|
|
2784 | |
2339 | { |
2785 | { |
2340 | int active = ((W)w)->active; |
2786 | int active = ev_active (w); |
2341 | |
2787 | |
2342 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2788 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2343 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2789 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2344 | |
2790 | |
2345 | ev_stop (EV_A_ (W)w); |
2791 | ev_stop (EV_A_ (W)w); |
2346 | --idleall; |
2792 | --idleall; |
2347 | } |
2793 | } |
|
|
2794 | |
|
|
2795 | EV_FREQUENT_CHECK; |
2348 | } |
2796 | } |
2349 | #endif |
2797 | #endif |
2350 | |
2798 | |
2351 | void |
2799 | void |
2352 | ev_prepare_start (EV_P_ ev_prepare *w) |
2800 | ev_prepare_start (EV_P_ ev_prepare *w) |
2353 | { |
2801 | { |
2354 | if (expect_false (ev_is_active (w))) |
2802 | if (expect_false (ev_is_active (w))) |
2355 | return; |
2803 | return; |
|
|
2804 | |
|
|
2805 | EV_FREQUENT_CHECK; |
2356 | |
2806 | |
2357 | ev_start (EV_A_ (W)w, ++preparecnt); |
2807 | ev_start (EV_A_ (W)w, ++preparecnt); |
2358 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2808 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2359 | prepares [preparecnt - 1] = w; |
2809 | prepares [preparecnt - 1] = w; |
|
|
2810 | |
|
|
2811 | EV_FREQUENT_CHECK; |
2360 | } |
2812 | } |
2361 | |
2813 | |
2362 | void |
2814 | void |
2363 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2815 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2364 | { |
2816 | { |
2365 | clear_pending (EV_A_ (W)w); |
2817 | clear_pending (EV_A_ (W)w); |
2366 | if (expect_false (!ev_is_active (w))) |
2818 | if (expect_false (!ev_is_active (w))) |
2367 | return; |
2819 | return; |
2368 | |
2820 | |
|
|
2821 | EV_FREQUENT_CHECK; |
|
|
2822 | |
2369 | { |
2823 | { |
2370 | int active = ((W)w)->active; |
2824 | int active = ev_active (w); |
|
|
2825 | |
2371 | prepares [active - 1] = prepares [--preparecnt]; |
2826 | prepares [active - 1] = prepares [--preparecnt]; |
2372 | ((W)prepares [active - 1])->active = active; |
2827 | ev_active (prepares [active - 1]) = active; |
2373 | } |
2828 | } |
2374 | |
2829 | |
2375 | ev_stop (EV_A_ (W)w); |
2830 | ev_stop (EV_A_ (W)w); |
|
|
2831 | |
|
|
2832 | EV_FREQUENT_CHECK; |
2376 | } |
2833 | } |
2377 | |
2834 | |
2378 | void |
2835 | void |
2379 | ev_check_start (EV_P_ ev_check *w) |
2836 | ev_check_start (EV_P_ ev_check *w) |
2380 | { |
2837 | { |
2381 | if (expect_false (ev_is_active (w))) |
2838 | if (expect_false (ev_is_active (w))) |
2382 | return; |
2839 | return; |
|
|
2840 | |
|
|
2841 | EV_FREQUENT_CHECK; |
2383 | |
2842 | |
2384 | ev_start (EV_A_ (W)w, ++checkcnt); |
2843 | ev_start (EV_A_ (W)w, ++checkcnt); |
2385 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2844 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2386 | checks [checkcnt - 1] = w; |
2845 | checks [checkcnt - 1] = w; |
|
|
2846 | |
|
|
2847 | EV_FREQUENT_CHECK; |
2387 | } |
2848 | } |
2388 | |
2849 | |
2389 | void |
2850 | void |
2390 | ev_check_stop (EV_P_ ev_check *w) |
2851 | ev_check_stop (EV_P_ ev_check *w) |
2391 | { |
2852 | { |
2392 | clear_pending (EV_A_ (W)w); |
2853 | clear_pending (EV_A_ (W)w); |
2393 | if (expect_false (!ev_is_active (w))) |
2854 | if (expect_false (!ev_is_active (w))) |
2394 | return; |
2855 | return; |
2395 | |
2856 | |
|
|
2857 | EV_FREQUENT_CHECK; |
|
|
2858 | |
2396 | { |
2859 | { |
2397 | int active = ((W)w)->active; |
2860 | int active = ev_active (w); |
|
|
2861 | |
2398 | checks [active - 1] = checks [--checkcnt]; |
2862 | checks [active - 1] = checks [--checkcnt]; |
2399 | ((W)checks [active - 1])->active = active; |
2863 | ev_active (checks [active - 1]) = active; |
2400 | } |
2864 | } |
2401 | |
2865 | |
2402 | ev_stop (EV_A_ (W)w); |
2866 | ev_stop (EV_A_ (W)w); |
|
|
2867 | |
|
|
2868 | EV_FREQUENT_CHECK; |
2403 | } |
2869 | } |
2404 | |
2870 | |
2405 | #if EV_EMBED_ENABLE |
2871 | #if EV_EMBED_ENABLE |
2406 | void noinline |
2872 | void noinline |
2407 | ev_embed_sweep (EV_P_ ev_embed *w) |
2873 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2434 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2900 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2435 | } |
2901 | } |
2436 | } |
2902 | } |
2437 | } |
2903 | } |
2438 | |
2904 | |
|
|
2905 | static void |
|
|
2906 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2907 | { |
|
|
2908 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2909 | |
|
|
2910 | { |
|
|
2911 | struct ev_loop *loop = w->other; |
|
|
2912 | |
|
|
2913 | ev_loop_fork (EV_A); |
|
|
2914 | } |
|
|
2915 | } |
|
|
2916 | |
2439 | #if 0 |
2917 | #if 0 |
2440 | static void |
2918 | static void |
2441 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2919 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2442 | { |
2920 | { |
2443 | ev_idle_stop (EV_A_ idle); |
2921 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2454 | struct ev_loop *loop = w->other; |
2932 | struct ev_loop *loop = w->other; |
2455 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2933 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2456 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2934 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2457 | } |
2935 | } |
2458 | |
2936 | |
|
|
2937 | EV_FREQUENT_CHECK; |
|
|
2938 | |
2459 | ev_set_priority (&w->io, ev_priority (w)); |
2939 | ev_set_priority (&w->io, ev_priority (w)); |
2460 | ev_io_start (EV_A_ &w->io); |
2940 | ev_io_start (EV_A_ &w->io); |
2461 | |
2941 | |
2462 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2942 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2463 | ev_set_priority (&w->prepare, EV_MINPRI); |
2943 | ev_set_priority (&w->prepare, EV_MINPRI); |
2464 | ev_prepare_start (EV_A_ &w->prepare); |
2944 | ev_prepare_start (EV_A_ &w->prepare); |
2465 | |
2945 | |
|
|
2946 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2947 | ev_fork_start (EV_A_ &w->fork); |
|
|
2948 | |
2466 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2949 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2467 | |
2950 | |
2468 | ev_start (EV_A_ (W)w, 1); |
2951 | ev_start (EV_A_ (W)w, 1); |
|
|
2952 | |
|
|
2953 | EV_FREQUENT_CHECK; |
2469 | } |
2954 | } |
2470 | |
2955 | |
2471 | void |
2956 | void |
2472 | ev_embed_stop (EV_P_ ev_embed *w) |
2957 | ev_embed_stop (EV_P_ ev_embed *w) |
2473 | { |
2958 | { |
2474 | clear_pending (EV_A_ (W)w); |
2959 | clear_pending (EV_A_ (W)w); |
2475 | if (expect_false (!ev_is_active (w))) |
2960 | if (expect_false (!ev_is_active (w))) |
2476 | return; |
2961 | return; |
2477 | |
2962 | |
|
|
2963 | EV_FREQUENT_CHECK; |
|
|
2964 | |
2478 | ev_io_stop (EV_A_ &w->io); |
2965 | ev_io_stop (EV_A_ &w->io); |
2479 | ev_prepare_stop (EV_A_ &w->prepare); |
2966 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2967 | ev_fork_stop (EV_A_ &w->fork); |
2480 | |
2968 | |
2481 | ev_stop (EV_A_ (W)w); |
2969 | EV_FREQUENT_CHECK; |
2482 | } |
2970 | } |
2483 | #endif |
2971 | #endif |
2484 | |
2972 | |
2485 | #if EV_FORK_ENABLE |
2973 | #if EV_FORK_ENABLE |
2486 | void |
2974 | void |
2487 | ev_fork_start (EV_P_ ev_fork *w) |
2975 | ev_fork_start (EV_P_ ev_fork *w) |
2488 | { |
2976 | { |
2489 | if (expect_false (ev_is_active (w))) |
2977 | if (expect_false (ev_is_active (w))) |
2490 | return; |
2978 | return; |
|
|
2979 | |
|
|
2980 | EV_FREQUENT_CHECK; |
2491 | |
2981 | |
2492 | ev_start (EV_A_ (W)w, ++forkcnt); |
2982 | ev_start (EV_A_ (W)w, ++forkcnt); |
2493 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2983 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2494 | forks [forkcnt - 1] = w; |
2984 | forks [forkcnt - 1] = w; |
|
|
2985 | |
|
|
2986 | EV_FREQUENT_CHECK; |
2495 | } |
2987 | } |
2496 | |
2988 | |
2497 | void |
2989 | void |
2498 | ev_fork_stop (EV_P_ ev_fork *w) |
2990 | ev_fork_stop (EV_P_ ev_fork *w) |
2499 | { |
2991 | { |
2500 | clear_pending (EV_A_ (W)w); |
2992 | clear_pending (EV_A_ (W)w); |
2501 | if (expect_false (!ev_is_active (w))) |
2993 | if (expect_false (!ev_is_active (w))) |
2502 | return; |
2994 | return; |
2503 | |
2995 | |
|
|
2996 | EV_FREQUENT_CHECK; |
|
|
2997 | |
2504 | { |
2998 | { |
2505 | int active = ((W)w)->active; |
2999 | int active = ev_active (w); |
|
|
3000 | |
2506 | forks [active - 1] = forks [--forkcnt]; |
3001 | forks [active - 1] = forks [--forkcnt]; |
2507 | ((W)forks [active - 1])->active = active; |
3002 | ev_active (forks [active - 1]) = active; |
2508 | } |
3003 | } |
2509 | |
3004 | |
2510 | ev_stop (EV_A_ (W)w); |
3005 | ev_stop (EV_A_ (W)w); |
|
|
3006 | |
|
|
3007 | EV_FREQUENT_CHECK; |
2511 | } |
3008 | } |
2512 | #endif |
3009 | #endif |
2513 | |
3010 | |
2514 | #if EV_ASYNC_ENABLE |
3011 | #if EV_ASYNC_ENABLE |
2515 | void |
3012 | void |
… | |
… | |
2517 | { |
3014 | { |
2518 | if (expect_false (ev_is_active (w))) |
3015 | if (expect_false (ev_is_active (w))) |
2519 | return; |
3016 | return; |
2520 | |
3017 | |
2521 | evpipe_init (EV_A); |
3018 | evpipe_init (EV_A); |
|
|
3019 | |
|
|
3020 | EV_FREQUENT_CHECK; |
2522 | |
3021 | |
2523 | ev_start (EV_A_ (W)w, ++asynccnt); |
3022 | ev_start (EV_A_ (W)w, ++asynccnt); |
2524 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
3023 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2525 | asyncs [asynccnt - 1] = w; |
3024 | asyncs [asynccnt - 1] = w; |
|
|
3025 | |
|
|
3026 | EV_FREQUENT_CHECK; |
2526 | } |
3027 | } |
2527 | |
3028 | |
2528 | void |
3029 | void |
2529 | ev_async_stop (EV_P_ ev_async *w) |
3030 | ev_async_stop (EV_P_ ev_async *w) |
2530 | { |
3031 | { |
2531 | clear_pending (EV_A_ (W)w); |
3032 | clear_pending (EV_A_ (W)w); |
2532 | if (expect_false (!ev_is_active (w))) |
3033 | if (expect_false (!ev_is_active (w))) |
2533 | return; |
3034 | return; |
2534 | |
3035 | |
|
|
3036 | EV_FREQUENT_CHECK; |
|
|
3037 | |
2535 | { |
3038 | { |
2536 | int active = ((W)w)->active; |
3039 | int active = ev_active (w); |
|
|
3040 | |
2537 | asyncs [active - 1] = asyncs [--asynccnt]; |
3041 | asyncs [active - 1] = asyncs [--asynccnt]; |
2538 | ((W)asyncs [active - 1])->active = active; |
3042 | ev_active (asyncs [active - 1]) = active; |
2539 | } |
3043 | } |
2540 | |
3044 | |
2541 | ev_stop (EV_A_ (W)w); |
3045 | ev_stop (EV_A_ (W)w); |
|
|
3046 | |
|
|
3047 | EV_FREQUENT_CHECK; |
2542 | } |
3048 | } |
2543 | |
3049 | |
2544 | void |
3050 | void |
2545 | ev_async_send (EV_P_ ev_async *w) |
3051 | ev_async_send (EV_P_ ev_async *w) |
2546 | { |
3052 | { |
… | |
… | |
2563 | once_cb (EV_P_ struct ev_once *once, int revents) |
3069 | once_cb (EV_P_ struct ev_once *once, int revents) |
2564 | { |
3070 | { |
2565 | void (*cb)(int revents, void *arg) = once->cb; |
3071 | void (*cb)(int revents, void *arg) = once->cb; |
2566 | void *arg = once->arg; |
3072 | void *arg = once->arg; |
2567 | |
3073 | |
2568 | ev_io_stop (EV_A_ &once->io); |
3074 | ev_io_stop (EV_A_ &once->io); |
2569 | ev_timer_stop (EV_A_ &once->to); |
3075 | ev_timer_stop (EV_A_ &once->to); |
2570 | ev_free (once); |
3076 | ev_free (once); |
2571 | |
3077 | |
2572 | cb (revents, arg); |
3078 | cb (revents, arg); |
2573 | } |
3079 | } |
2574 | |
3080 | |
2575 | static void |
3081 | static void |
2576 | once_cb_io (EV_P_ ev_io *w, int revents) |
3082 | once_cb_io (EV_P_ ev_io *w, int revents) |
2577 | { |
3083 | { |
2578 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3084 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3085 | |
|
|
3086 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2579 | } |
3087 | } |
2580 | |
3088 | |
2581 | static void |
3089 | static void |
2582 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3090 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2583 | { |
3091 | { |
2584 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3092 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3093 | |
|
|
3094 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2585 | } |
3095 | } |
2586 | |
3096 | |
2587 | void |
3097 | void |
2588 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3098 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2589 | { |
3099 | { |