1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
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> |
… | |
… | |
145 | #ifndef _WIN32 |
154 | #ifndef _WIN32 |
146 | # include <sys/time.h> |
155 | # include <sys/time.h> |
147 | # include <sys/wait.h> |
156 | # include <sys/wait.h> |
148 | # include <unistd.h> |
157 | # include <unistd.h> |
149 | #else |
158 | #else |
|
|
159 | # include <io.h> |
150 | # define WIN32_LEAN_AND_MEAN |
160 | # define WIN32_LEAN_AND_MEAN |
151 | # include <windows.h> |
161 | # include <windows.h> |
152 | # ifndef EV_SELECT_IS_WINSOCKET |
162 | # ifndef EV_SELECT_IS_WINSOCKET |
153 | # define EV_SELECT_IS_WINSOCKET 1 |
163 | # define EV_SELECT_IS_WINSOCKET 1 |
154 | # endif |
164 | # endif |
155 | #endif |
165 | #endif |
156 | |
166 | |
157 | /**/ |
167 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
158 | |
168 | |
159 | #ifndef EV_USE_MONOTONIC |
169 | #ifndef EV_USE_MONOTONIC |
|
|
170 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
|
|
171 | # define EV_USE_MONOTONIC 1 |
|
|
172 | # else |
160 | # define EV_USE_MONOTONIC 0 |
173 | # define EV_USE_MONOTONIC 0 |
|
|
174 | # endif |
161 | #endif |
175 | #endif |
162 | |
176 | |
163 | #ifndef EV_USE_REALTIME |
177 | #ifndef EV_USE_REALTIME |
164 | # define EV_USE_REALTIME 0 |
178 | # define EV_USE_REALTIME 0 |
165 | #endif |
179 | #endif |
166 | |
180 | |
167 | #ifndef EV_USE_NANOSLEEP |
181 | #ifndef EV_USE_NANOSLEEP |
|
|
182 | # if _POSIX_C_SOURCE >= 199309L |
|
|
183 | # define EV_USE_NANOSLEEP 1 |
|
|
184 | # else |
168 | # define EV_USE_NANOSLEEP 0 |
185 | # define EV_USE_NANOSLEEP 0 |
|
|
186 | # endif |
169 | #endif |
187 | #endif |
170 | |
188 | |
171 | #ifndef EV_USE_SELECT |
189 | #ifndef EV_USE_SELECT |
172 | # define EV_USE_SELECT 1 |
190 | # define EV_USE_SELECT 1 |
173 | #endif |
191 | #endif |
… | |
… | |
179 | # define EV_USE_POLL 1 |
197 | # define EV_USE_POLL 1 |
180 | # endif |
198 | # endif |
181 | #endif |
199 | #endif |
182 | |
200 | |
183 | #ifndef EV_USE_EPOLL |
201 | #ifndef EV_USE_EPOLL |
|
|
202 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
203 | # define EV_USE_EPOLL 1 |
|
|
204 | # else |
184 | # define EV_USE_EPOLL 0 |
205 | # define EV_USE_EPOLL 0 |
|
|
206 | # endif |
185 | #endif |
207 | #endif |
186 | |
208 | |
187 | #ifndef EV_USE_KQUEUE |
209 | #ifndef EV_USE_KQUEUE |
188 | # define EV_USE_KQUEUE 0 |
210 | # define EV_USE_KQUEUE 0 |
189 | #endif |
211 | #endif |
… | |
… | |
191 | #ifndef EV_USE_PORT |
213 | #ifndef EV_USE_PORT |
192 | # define EV_USE_PORT 0 |
214 | # define EV_USE_PORT 0 |
193 | #endif |
215 | #endif |
194 | |
216 | |
195 | #ifndef EV_USE_INOTIFY |
217 | #ifndef EV_USE_INOTIFY |
|
|
218 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
219 | # define EV_USE_INOTIFY 1 |
|
|
220 | # else |
196 | # define EV_USE_INOTIFY 0 |
221 | # define EV_USE_INOTIFY 0 |
|
|
222 | # endif |
197 | #endif |
223 | #endif |
198 | |
224 | |
199 | #ifndef EV_PID_HASHSIZE |
225 | #ifndef EV_PID_HASHSIZE |
200 | # if EV_MINIMAL |
226 | # if EV_MINIMAL |
201 | # define EV_PID_HASHSIZE 1 |
227 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
210 | # else |
236 | # else |
211 | # define EV_INOTIFY_HASHSIZE 16 |
237 | # define EV_INOTIFY_HASHSIZE 16 |
212 | # endif |
238 | # endif |
213 | #endif |
239 | #endif |
214 | |
240 | |
215 | /**/ |
241 | #ifndef EV_USE_EVENTFD |
|
|
242 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
243 | # define EV_USE_EVENTFD 1 |
|
|
244 | # else |
|
|
245 | # define EV_USE_EVENTFD 0 |
|
|
246 | # endif |
|
|
247 | #endif |
|
|
248 | |
|
|
249 | #if 0 /* debugging */ |
|
|
250 | # define EV_VERIFY 3 |
|
|
251 | # define EV_USE_4HEAP 1 |
|
|
252 | # define EV_HEAP_CACHE_AT 1 |
|
|
253 | #endif |
|
|
254 | |
|
|
255 | #ifndef EV_VERIFY |
|
|
256 | # define EV_VERIFY !EV_MINIMAL |
|
|
257 | #endif |
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258 | |
|
|
259 | #ifndef EV_USE_4HEAP |
|
|
260 | # define EV_USE_4HEAP !EV_MINIMAL |
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|
261 | #endif |
|
|
262 | |
|
|
263 | #ifndef EV_HEAP_CACHE_AT |
|
|
264 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
265 | #endif |
|
|
266 | |
|
|
267 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
216 | |
268 | |
217 | #ifndef CLOCK_MONOTONIC |
269 | #ifndef CLOCK_MONOTONIC |
218 | # undef EV_USE_MONOTONIC |
270 | # undef EV_USE_MONOTONIC |
219 | # define EV_USE_MONOTONIC 0 |
271 | # define EV_USE_MONOTONIC 0 |
220 | #endif |
272 | #endif |
… | |
… | |
241 | |
293 | |
242 | #if EV_SELECT_IS_WINSOCKET |
294 | #if EV_SELECT_IS_WINSOCKET |
243 | # include <winsock.h> |
295 | # include <winsock.h> |
244 | #endif |
296 | #endif |
245 | |
297 | |
|
|
298 | #if EV_USE_EVENTFD |
|
|
299 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
300 | # include <stdint.h> |
|
|
301 | # ifdef __cplusplus |
|
|
302 | extern "C" { |
|
|
303 | # endif |
|
|
304 | int eventfd (unsigned int initval, int flags); |
|
|
305 | # ifdef __cplusplus |
|
|
306 | } |
|
|
307 | # endif |
|
|
308 | #endif |
|
|
309 | |
246 | /**/ |
310 | /**/ |
|
|
311 | |
|
|
312 | #if EV_VERIFY >= 3 |
|
|
313 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
|
314 | #else |
|
|
315 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
316 | #endif |
247 | |
317 | |
248 | /* |
318 | /* |
249 | * This is used to avoid floating point rounding problems. |
319 | * This is used to avoid floating point rounding problems. |
250 | * It is added to ev_rt_now when scheduling periodics |
320 | * It is added to ev_rt_now when scheduling periodics |
251 | * to ensure progress, time-wise, even when rounding |
321 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
333 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
264 | # define noinline __attribute__ ((noinline)) |
334 | # define noinline __attribute__ ((noinline)) |
265 | #else |
335 | #else |
266 | # define expect(expr,value) (expr) |
336 | # define expect(expr,value) (expr) |
267 | # define noinline |
337 | # define noinline |
268 | # if __STDC_VERSION__ < 199901L |
338 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
269 | # define inline |
339 | # define inline |
270 | # endif |
340 | # endif |
271 | #endif |
341 | #endif |
272 | |
342 | |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
343 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
288 | |
358 | |
289 | typedef ev_watcher *W; |
359 | typedef ev_watcher *W; |
290 | typedef ev_watcher_list *WL; |
360 | typedef ev_watcher_list *WL; |
291 | typedef ev_watcher_time *WT; |
361 | typedef ev_watcher_time *WT; |
292 | |
362 | |
|
|
363 | #define ev_active(w) ((W)(w))->active |
|
|
364 | #define ev_at(w) ((WT)(w))->at |
|
|
365 | |
293 | #if EV_USE_MONOTONIC |
366 | #if EV_USE_MONOTONIC |
294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
367 | /* 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 */ |
368 | /* giving it a reasonably high chance of working on typical architetcures */ |
296 | static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
369 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
297 | #endif |
370 | #endif |
298 | |
371 | |
299 | #ifdef _WIN32 |
372 | #ifdef _WIN32 |
300 | # include "ev_win32.c" |
373 | # include "ev_win32.c" |
301 | #endif |
374 | #endif |
… | |
… | |
323 | perror (msg); |
396 | perror (msg); |
324 | abort (); |
397 | abort (); |
325 | } |
398 | } |
326 | } |
399 | } |
327 | |
400 | |
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|
401 | static void * |
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|
402 | ev_realloc_emul (void *ptr, long size) |
|
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403 | { |
|
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404 | /* some systems, notably openbsd and darwin, fail to properly |
|
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405 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
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406 | * the single unix specification, so work around them here. |
|
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407 | */ |
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408 | |
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409 | if (size) |
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410 | return realloc (ptr, size); |
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411 | |
|
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412 | free (ptr); |
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413 | return 0; |
|
|
414 | } |
|
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415 | |
328 | static void *(*alloc)(void *ptr, long size); |
416 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
329 | |
417 | |
330 | void |
418 | void |
331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
419 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
332 | { |
420 | { |
333 | alloc = cb; |
421 | alloc = cb; |
334 | } |
422 | } |
335 | |
423 | |
336 | inline_speed void * |
424 | inline_speed void * |
337 | ev_realloc (void *ptr, long size) |
425 | ev_realloc (void *ptr, long size) |
338 | { |
426 | { |
339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
427 | ptr = alloc (ptr, size); |
340 | |
428 | |
341 | if (!ptr && size) |
429 | if (!ptr && size) |
342 | { |
430 | { |
343 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
431 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
344 | abort (); |
432 | abort (); |
… | |
… | |
367 | W w; |
455 | W w; |
368 | int events; |
456 | int events; |
369 | } ANPENDING; |
457 | } ANPENDING; |
370 | |
458 | |
371 | #if EV_USE_INOTIFY |
459 | #if EV_USE_INOTIFY |
|
|
460 | /* hash table entry per inotify-id */ |
372 | typedef struct |
461 | typedef struct |
373 | { |
462 | { |
374 | WL head; |
463 | WL head; |
375 | } ANFS; |
464 | } ANFS; |
|
|
465 | #endif |
|
|
466 | |
|
|
467 | /* Heap Entry */ |
|
|
468 | #if EV_HEAP_CACHE_AT |
|
|
469 | typedef struct { |
|
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470 | ev_tstamp at; |
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471 | WT w; |
|
|
472 | } ANHE; |
|
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473 | |
|
|
474 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
475 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
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476 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
477 | #else |
|
|
478 | typedef WT ANHE; |
|
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479 | |
|
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480 | #define ANHE_w(he) (he) |
|
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481 | #define ANHE_at(he) (he)->at |
|
|
482 | #define ANHE_at_cache(he) |
376 | #endif |
483 | #endif |
377 | |
484 | |
378 | #if EV_MULTIPLICITY |
485 | #if EV_MULTIPLICITY |
379 | |
486 | |
380 | struct ev_loop |
487 | struct ev_loop |
… | |
… | |
451 | ts.tv_sec = (time_t)delay; |
558 | ts.tv_sec = (time_t)delay; |
452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
559 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
453 | |
560 | |
454 | nanosleep (&ts, 0); |
561 | nanosleep (&ts, 0); |
455 | #elif defined(_WIN32) |
562 | #elif defined(_WIN32) |
456 | Sleep (delay * 1e3); |
563 | Sleep ((unsigned long)(delay * 1e3)); |
457 | #else |
564 | #else |
458 | struct timeval tv; |
565 | struct timeval tv; |
459 | |
566 | |
460 | tv.tv_sec = (time_t)delay; |
567 | tv.tv_sec = (time_t)delay; |
461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
568 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
… | |
… | |
464 | #endif |
571 | #endif |
465 | } |
572 | } |
466 | } |
573 | } |
467 | |
574 | |
468 | /*****************************************************************************/ |
575 | /*****************************************************************************/ |
|
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576 | |
|
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577 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
469 | |
578 | |
470 | int inline_size |
579 | int inline_size |
471 | array_nextsize (int elem, int cur, int cnt) |
580 | array_nextsize (int elem, int cur, int cnt) |
472 | { |
581 | { |
473 | int ncur = cur + 1; |
582 | int ncur = cur + 1; |
474 | |
583 | |
475 | do |
584 | do |
476 | ncur <<= 1; |
585 | ncur <<= 1; |
477 | while (cnt > ncur); |
586 | while (cnt > ncur); |
478 | |
587 | |
479 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
588 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
480 | if (elem * ncur > 4096) |
589 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
481 | { |
590 | { |
482 | ncur *= elem; |
591 | ncur *= elem; |
483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
592 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
484 | ncur = ncur - sizeof (void *) * 4; |
593 | ncur = ncur - sizeof (void *) * 4; |
485 | ncur /= elem; |
594 | ncur /= elem; |
486 | } |
595 | } |
487 | |
596 | |
488 | return ncur; |
597 | return ncur; |
… | |
… | |
599 | events |= (unsigned char)w->events; |
708 | events |= (unsigned char)w->events; |
600 | |
709 | |
601 | #if EV_SELECT_IS_WINSOCKET |
710 | #if EV_SELECT_IS_WINSOCKET |
602 | if (events) |
711 | if (events) |
603 | { |
712 | { |
604 | unsigned long argp; |
713 | unsigned long arg; |
|
|
714 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
715 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
716 | #else |
605 | anfd->handle = _get_osfhandle (fd); |
717 | anfd->handle = _get_osfhandle (fd); |
|
|
718 | #endif |
606 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
719 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
607 | } |
720 | } |
608 | #endif |
721 | #endif |
609 | |
722 | |
610 | { |
723 | { |
611 | unsigned char o_events = anfd->events; |
724 | unsigned char o_events = anfd->events; |
… | |
… | |
664 | { |
777 | { |
665 | int fd; |
778 | int fd; |
666 | |
779 | |
667 | for (fd = 0; fd < anfdmax; ++fd) |
780 | for (fd = 0; fd < anfdmax; ++fd) |
668 | if (anfds [fd].events) |
781 | if (anfds [fd].events) |
669 | if (!fd_valid (fd) == -1 && errno == EBADF) |
782 | if (!fd_valid (fd) && errno == EBADF) |
670 | fd_kill (EV_A_ fd); |
783 | fd_kill (EV_A_ fd); |
671 | } |
784 | } |
672 | |
785 | |
673 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
786 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
674 | static void noinline |
787 | static void noinline |
… | |
… | |
698 | } |
811 | } |
699 | } |
812 | } |
700 | |
813 | |
701 | /*****************************************************************************/ |
814 | /*****************************************************************************/ |
702 | |
815 | |
|
|
816 | /* |
|
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817 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
818 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
819 | * the branching factor of the d-tree. |
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820 | */ |
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821 | |
|
|
822 | /* |
|
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823 | * at the moment we allow libev the luxury of two heaps, |
|
|
824 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
825 | * which is more cache-efficient. |
|
|
826 | * the difference is about 5% with 50000+ watchers. |
|
|
827 | */ |
|
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828 | #if EV_USE_4HEAP |
|
|
829 | |
|
|
830 | #define DHEAP 4 |
|
|
831 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
832 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
833 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
834 | |
|
|
835 | /* away from the root */ |
703 | void inline_speed |
836 | void inline_speed |
704 | upheap (WT *heap, int k) |
837 | downheap (ANHE *heap, int N, int k) |
705 | { |
838 | { |
706 | WT w = heap [k]; |
839 | ANHE he = heap [k]; |
|
|
840 | ANHE *E = heap + N + HEAP0; |
707 | |
841 | |
708 | while (k) |
842 | for (;;) |
709 | { |
843 | { |
710 | int p = (k - 1) >> 1; |
844 | ev_tstamp minat; |
|
|
845 | ANHE *minpos; |
|
|
846 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
711 | |
847 | |
712 | if (heap [p]->at <= w->at) |
848 | /* find minimum child */ |
|
|
849 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
850 | { |
|
|
851 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
852 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
853 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
854 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
855 | } |
|
|
856 | else if (pos < E) |
|
|
857 | { |
|
|
858 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
859 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
860 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
861 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
862 | } |
|
|
863 | else |
713 | break; |
864 | break; |
714 | |
865 | |
|
|
866 | if (ANHE_at (he) <= minat) |
|
|
867 | break; |
|
|
868 | |
|
|
869 | heap [k] = *minpos; |
|
|
870 | ev_active (ANHE_w (*minpos)) = k; |
|
|
871 | |
|
|
872 | k = minpos - heap; |
|
|
873 | } |
|
|
874 | |
|
|
875 | heap [k] = he; |
|
|
876 | ev_active (ANHE_w (he)) = k; |
|
|
877 | } |
|
|
878 | |
|
|
879 | #else /* 4HEAP */ |
|
|
880 | |
|
|
881 | #define HEAP0 1 |
|
|
882 | #define HPARENT(k) ((k) >> 1) |
|
|
883 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
884 | |
|
|
885 | /* away from the root */ |
|
|
886 | void inline_speed |
|
|
887 | downheap (ANHE *heap, int N, int k) |
|
|
888 | { |
|
|
889 | ANHE he = heap [k]; |
|
|
890 | |
|
|
891 | for (;;) |
|
|
892 | { |
|
|
893 | int c = k << 1; |
|
|
894 | |
|
|
895 | if (c > N + HEAP0 - 1) |
|
|
896 | break; |
|
|
897 | |
|
|
898 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
899 | ? 1 : 0; |
|
|
900 | |
|
|
901 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
902 | break; |
|
|
903 | |
|
|
904 | heap [k] = heap [c]; |
|
|
905 | ev_active (ANHE_w (heap [k])) = k; |
|
|
906 | |
|
|
907 | k = c; |
|
|
908 | } |
|
|
909 | |
|
|
910 | heap [k] = he; |
|
|
911 | ev_active (ANHE_w (he)) = k; |
|
|
912 | } |
|
|
913 | #endif |
|
|
914 | |
|
|
915 | /* towards the root */ |
|
|
916 | void inline_speed |
|
|
917 | upheap (ANHE *heap, int k) |
|
|
918 | { |
|
|
919 | ANHE he = heap [k]; |
|
|
920 | |
|
|
921 | for (;;) |
|
|
922 | { |
|
|
923 | int p = HPARENT (k); |
|
|
924 | |
|
|
925 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
926 | break; |
|
|
927 | |
715 | heap [k] = heap [p]; |
928 | heap [k] = heap [p]; |
716 | ((W)heap [k])->active = k + 1; |
929 | ev_active (ANHE_w (heap [k])) = k; |
717 | k = p; |
930 | k = p; |
718 | } |
931 | } |
719 | |
932 | |
720 | heap [k] = w; |
933 | heap [k] = he; |
721 | ((W)heap [k])->active = k + 1; |
934 | ev_active (ANHE_w (he)) = k; |
722 | } |
|
|
723 | |
|
|
724 | void inline_speed |
|
|
725 | downheap (WT *heap, int N, int k) |
|
|
726 | { |
|
|
727 | WT w = heap [k]; |
|
|
728 | |
|
|
729 | for (;;) |
|
|
730 | { |
|
|
731 | int c = (k << 1) + 1; |
|
|
732 | |
|
|
733 | if (c >= N) |
|
|
734 | break; |
|
|
735 | |
|
|
736 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
737 | ? 1 : 0; |
|
|
738 | |
|
|
739 | if (w->at <= heap [c]->at) |
|
|
740 | break; |
|
|
741 | |
|
|
742 | heap [k] = heap [c]; |
|
|
743 | ((W)heap [k])->active = k + 1; |
|
|
744 | |
|
|
745 | k = c; |
|
|
746 | } |
|
|
747 | |
|
|
748 | heap [k] = w; |
|
|
749 | ((W)heap [k])->active = k + 1; |
|
|
750 | } |
935 | } |
751 | |
936 | |
752 | void inline_size |
937 | void inline_size |
753 | adjustheap (WT *heap, int N, int k) |
938 | adjustheap (ANHE *heap, int N, int k) |
754 | { |
939 | { |
|
|
940 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
755 | upheap (heap, k); |
941 | upheap (heap, k); |
|
|
942 | else |
756 | downheap (heap, N, k); |
943 | downheap (heap, N, k); |
|
|
944 | } |
|
|
945 | |
|
|
946 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
947 | void inline_size |
|
|
948 | reheap (ANHE *heap, int N) |
|
|
949 | { |
|
|
950 | int i; |
|
|
951 | |
|
|
952 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
953 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
954 | for (i = 0; i < N; ++i) |
|
|
955 | upheap (heap, i + HEAP0); |
757 | } |
956 | } |
758 | |
957 | |
759 | /*****************************************************************************/ |
958 | /*****************************************************************************/ |
760 | |
959 | |
761 | typedef struct |
960 | typedef struct |
762 | { |
961 | { |
763 | WL head; |
962 | WL head; |
764 | sig_atomic_t volatile gotsig; |
963 | EV_ATOMIC_T gotsig; |
765 | } ANSIG; |
964 | } ANSIG; |
766 | |
965 | |
767 | static ANSIG *signals; |
966 | static ANSIG *signals; |
768 | static int signalmax; |
967 | static int signalmax; |
769 | |
968 | |
770 | static int sigpipe [2]; |
969 | static EV_ATOMIC_T gotsig; |
771 | static sig_atomic_t volatile gotsig; |
|
|
772 | static ev_io sigev; |
|
|
773 | |
970 | |
774 | void inline_size |
971 | void inline_size |
775 | signals_init (ANSIG *base, int count) |
972 | signals_init (ANSIG *base, int count) |
776 | { |
973 | { |
777 | while (count--) |
974 | while (count--) |
… | |
… | |
781 | |
978 | |
782 | ++base; |
979 | ++base; |
783 | } |
980 | } |
784 | } |
981 | } |
785 | |
982 | |
786 | static void |
983 | /*****************************************************************************/ |
787 | sighandler (int signum) |
|
|
788 | { |
|
|
789 | #if _WIN32 |
|
|
790 | signal (signum, sighandler); |
|
|
791 | #endif |
|
|
792 | |
|
|
793 | signals [signum - 1].gotsig = 1; |
|
|
794 | |
|
|
795 | if (!gotsig) |
|
|
796 | { |
|
|
797 | int old_errno = errno; |
|
|
798 | gotsig = 1; |
|
|
799 | write (sigpipe [1], &signum, 1); |
|
|
800 | errno = old_errno; |
|
|
801 | } |
|
|
802 | } |
|
|
803 | |
|
|
804 | void noinline |
|
|
805 | ev_feed_signal_event (EV_P_ int signum) |
|
|
806 | { |
|
|
807 | WL w; |
|
|
808 | |
|
|
809 | #if EV_MULTIPLICITY |
|
|
810 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
811 | #endif |
|
|
812 | |
|
|
813 | --signum; |
|
|
814 | |
|
|
815 | if (signum < 0 || signum >= signalmax) |
|
|
816 | return; |
|
|
817 | |
|
|
818 | signals [signum].gotsig = 0; |
|
|
819 | |
|
|
820 | for (w = signals [signum].head; w; w = w->next) |
|
|
821 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
822 | } |
|
|
823 | |
|
|
824 | static void |
|
|
825 | sigcb (EV_P_ ev_io *iow, int revents) |
|
|
826 | { |
|
|
827 | int signum; |
|
|
828 | |
|
|
829 | read (sigpipe [0], &revents, 1); |
|
|
830 | gotsig = 0; |
|
|
831 | |
|
|
832 | for (signum = signalmax; signum--; ) |
|
|
833 | if (signals [signum].gotsig) |
|
|
834 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
835 | } |
|
|
836 | |
984 | |
837 | void inline_speed |
985 | void inline_speed |
838 | fd_intern (int fd) |
986 | fd_intern (int fd) |
839 | { |
987 | { |
840 | #ifdef _WIN32 |
988 | #ifdef _WIN32 |
841 | int arg = 1; |
989 | unsigned long arg = 1; |
842 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
990 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
843 | #else |
991 | #else |
844 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
992 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
845 | fcntl (fd, F_SETFL, O_NONBLOCK); |
993 | fcntl (fd, F_SETFL, O_NONBLOCK); |
846 | #endif |
994 | #endif |
847 | } |
995 | } |
848 | |
996 | |
849 | static void noinline |
997 | static void noinline |
850 | siginit (EV_P) |
998 | evpipe_init (EV_P) |
851 | { |
999 | { |
|
|
1000 | if (!ev_is_active (&pipeev)) |
|
|
1001 | { |
|
|
1002 | #if EV_USE_EVENTFD |
|
|
1003 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
1004 | { |
|
|
1005 | evpipe [0] = -1; |
|
|
1006 | fd_intern (evfd); |
|
|
1007 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
1008 | } |
|
|
1009 | else |
|
|
1010 | #endif |
|
|
1011 | { |
|
|
1012 | while (pipe (evpipe)) |
|
|
1013 | syserr ("(libev) error creating signal/async pipe"); |
|
|
1014 | |
852 | fd_intern (sigpipe [0]); |
1015 | fd_intern (evpipe [0]); |
853 | fd_intern (sigpipe [1]); |
1016 | fd_intern (evpipe [1]); |
|
|
1017 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
1018 | } |
854 | |
1019 | |
855 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
|
|
856 | ev_io_start (EV_A_ &sigev); |
1020 | ev_io_start (EV_A_ &pipeev); |
857 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1021 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1022 | } |
|
|
1023 | } |
|
|
1024 | |
|
|
1025 | void inline_size |
|
|
1026 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1027 | { |
|
|
1028 | if (!*flag) |
|
|
1029 | { |
|
|
1030 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1031 | |
|
|
1032 | *flag = 1; |
|
|
1033 | |
|
|
1034 | #if EV_USE_EVENTFD |
|
|
1035 | if (evfd >= 0) |
|
|
1036 | { |
|
|
1037 | uint64_t counter = 1; |
|
|
1038 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1039 | } |
|
|
1040 | else |
|
|
1041 | #endif |
|
|
1042 | write (evpipe [1], &old_errno, 1); |
|
|
1043 | |
|
|
1044 | errno = old_errno; |
|
|
1045 | } |
|
|
1046 | } |
|
|
1047 | |
|
|
1048 | static void |
|
|
1049 | pipecb (EV_P_ ev_io *iow, int revents) |
|
|
1050 | { |
|
|
1051 | #if EV_USE_EVENTFD |
|
|
1052 | if (evfd >= 0) |
|
|
1053 | { |
|
|
1054 | uint64_t counter; |
|
|
1055 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1056 | } |
|
|
1057 | else |
|
|
1058 | #endif |
|
|
1059 | { |
|
|
1060 | char dummy; |
|
|
1061 | read (evpipe [0], &dummy, 1); |
|
|
1062 | } |
|
|
1063 | |
|
|
1064 | if (gotsig && ev_is_default_loop (EV_A)) |
|
|
1065 | { |
|
|
1066 | int signum; |
|
|
1067 | gotsig = 0; |
|
|
1068 | |
|
|
1069 | for (signum = signalmax; signum--; ) |
|
|
1070 | if (signals [signum].gotsig) |
|
|
1071 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
1072 | } |
|
|
1073 | |
|
|
1074 | #if EV_ASYNC_ENABLE |
|
|
1075 | if (gotasync) |
|
|
1076 | { |
|
|
1077 | int i; |
|
|
1078 | gotasync = 0; |
|
|
1079 | |
|
|
1080 | for (i = asynccnt; i--; ) |
|
|
1081 | if (asyncs [i]->sent) |
|
|
1082 | { |
|
|
1083 | asyncs [i]->sent = 0; |
|
|
1084 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
1085 | } |
|
|
1086 | } |
|
|
1087 | #endif |
858 | } |
1088 | } |
859 | |
1089 | |
860 | /*****************************************************************************/ |
1090 | /*****************************************************************************/ |
861 | |
1091 | |
|
|
1092 | static void |
|
|
1093 | ev_sighandler (int signum) |
|
|
1094 | { |
|
|
1095 | #if EV_MULTIPLICITY |
|
|
1096 | struct ev_loop *loop = &default_loop_struct; |
|
|
1097 | #endif |
|
|
1098 | |
|
|
1099 | #if _WIN32 |
|
|
1100 | signal (signum, ev_sighandler); |
|
|
1101 | #endif |
|
|
1102 | |
|
|
1103 | signals [signum - 1].gotsig = 1; |
|
|
1104 | evpipe_write (EV_A_ &gotsig); |
|
|
1105 | } |
|
|
1106 | |
|
|
1107 | void noinline |
|
|
1108 | ev_feed_signal_event (EV_P_ int signum) |
|
|
1109 | { |
|
|
1110 | WL w; |
|
|
1111 | |
|
|
1112 | #if EV_MULTIPLICITY |
|
|
1113 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
1114 | #endif |
|
|
1115 | |
|
|
1116 | --signum; |
|
|
1117 | |
|
|
1118 | if (signum < 0 || signum >= signalmax) |
|
|
1119 | return; |
|
|
1120 | |
|
|
1121 | signals [signum].gotsig = 0; |
|
|
1122 | |
|
|
1123 | for (w = signals [signum].head; w; w = w->next) |
|
|
1124 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
1125 | } |
|
|
1126 | |
|
|
1127 | /*****************************************************************************/ |
|
|
1128 | |
862 | static WL childs [EV_PID_HASHSIZE]; |
1129 | static WL childs [EV_PID_HASHSIZE]; |
863 | |
1130 | |
864 | #ifndef _WIN32 |
1131 | #ifndef _WIN32 |
865 | |
1132 | |
866 | static ev_signal childev; |
1133 | static ev_signal childev; |
867 | |
1134 | |
|
|
1135 | #ifndef WIFCONTINUED |
|
|
1136 | # define WIFCONTINUED(status) 0 |
|
|
1137 | #endif |
|
|
1138 | |
868 | void inline_speed |
1139 | void inline_speed |
869 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1140 | child_reap (EV_P_ int chain, int pid, int status) |
870 | { |
1141 | { |
871 | ev_child *w; |
1142 | ev_child *w; |
|
|
1143 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
872 | |
1144 | |
873 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1145 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1146 | { |
874 | if (w->pid == pid || !w->pid) |
1147 | if ((w->pid == pid || !w->pid) |
|
|
1148 | && (!traced || (w->flags & 1))) |
875 | { |
1149 | { |
876 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1150 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
877 | w->rpid = pid; |
1151 | w->rpid = pid; |
878 | w->rstatus = status; |
1152 | w->rstatus = status; |
879 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1153 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
880 | } |
1154 | } |
|
|
1155 | } |
881 | } |
1156 | } |
882 | |
1157 | |
883 | #ifndef WCONTINUED |
1158 | #ifndef WCONTINUED |
884 | # define WCONTINUED 0 |
1159 | # define WCONTINUED 0 |
885 | #endif |
1160 | #endif |
… | |
… | |
894 | if (!WCONTINUED |
1169 | if (!WCONTINUED |
895 | || errno != EINVAL |
1170 | || errno != EINVAL |
896 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1171 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
897 | return; |
1172 | return; |
898 | |
1173 | |
899 | /* make sure we are called again until all childs have been reaped */ |
1174 | /* make sure we are called again until all children have been reaped */ |
900 | /* we need to do it this way so that the callback gets called before we continue */ |
1175 | /* we need to do it this way so that the callback gets called before we continue */ |
901 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1176 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
902 | |
1177 | |
903 | child_reap (EV_A_ sw, pid, pid, status); |
1178 | child_reap (EV_A_ pid, pid, status); |
904 | if (EV_PID_HASHSIZE > 1) |
1179 | if (EV_PID_HASHSIZE > 1) |
905 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1180 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
906 | } |
1181 | } |
907 | |
1182 | |
908 | #endif |
1183 | #endif |
909 | |
1184 | |
910 | /*****************************************************************************/ |
1185 | /*****************************************************************************/ |
… | |
… | |
1028 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1303 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1029 | have_monotonic = 1; |
1304 | have_monotonic = 1; |
1030 | } |
1305 | } |
1031 | #endif |
1306 | #endif |
1032 | |
1307 | |
1033 | ev_rt_now = ev_time (); |
1308 | ev_rt_now = ev_time (); |
1034 | mn_now = get_clock (); |
1309 | mn_now = get_clock (); |
1035 | now_floor = mn_now; |
1310 | now_floor = mn_now; |
1036 | rtmn_diff = ev_rt_now - mn_now; |
1311 | rtmn_diff = ev_rt_now - mn_now; |
1037 | |
1312 | |
1038 | io_blocktime = 0.; |
1313 | io_blocktime = 0.; |
1039 | timeout_blocktime = 0.; |
1314 | timeout_blocktime = 0.; |
|
|
1315 | backend = 0; |
|
|
1316 | backend_fd = -1; |
|
|
1317 | gotasync = 0; |
|
|
1318 | #if EV_USE_INOTIFY |
|
|
1319 | fs_fd = -2; |
|
|
1320 | #endif |
1040 | |
1321 | |
1041 | /* pid check not overridable via env */ |
1322 | /* pid check not overridable via env */ |
1042 | #ifndef _WIN32 |
1323 | #ifndef _WIN32 |
1043 | if (flags & EVFLAG_FORKCHECK) |
1324 | if (flags & EVFLAG_FORKCHECK) |
1044 | curpid = getpid (); |
1325 | curpid = getpid (); |
… | |
… | |
1047 | if (!(flags & EVFLAG_NOENV) |
1328 | if (!(flags & EVFLAG_NOENV) |
1048 | && !enable_secure () |
1329 | && !enable_secure () |
1049 | && getenv ("LIBEV_FLAGS")) |
1330 | && getenv ("LIBEV_FLAGS")) |
1050 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1331 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1051 | |
1332 | |
1052 | if (!(flags & 0x0000ffffUL)) |
1333 | if (!(flags & 0x0000ffffU)) |
1053 | flags |= ev_recommended_backends (); |
1334 | flags |= ev_recommended_backends (); |
1054 | |
|
|
1055 | backend = 0; |
|
|
1056 | backend_fd = -1; |
|
|
1057 | #if EV_USE_INOTIFY |
|
|
1058 | fs_fd = -2; |
|
|
1059 | #endif |
|
|
1060 | |
1335 | |
1061 | #if EV_USE_PORT |
1336 | #if EV_USE_PORT |
1062 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1337 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1063 | #endif |
1338 | #endif |
1064 | #if EV_USE_KQUEUE |
1339 | #if EV_USE_KQUEUE |
… | |
… | |
1072 | #endif |
1347 | #endif |
1073 | #if EV_USE_SELECT |
1348 | #if EV_USE_SELECT |
1074 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1349 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1075 | #endif |
1350 | #endif |
1076 | |
1351 | |
1077 | ev_init (&sigev, sigcb); |
1352 | ev_init (&pipeev, pipecb); |
1078 | ev_set_priority (&sigev, EV_MAXPRI); |
1353 | ev_set_priority (&pipeev, EV_MAXPRI); |
1079 | } |
1354 | } |
1080 | } |
1355 | } |
1081 | |
1356 | |
1082 | static void noinline |
1357 | static void noinline |
1083 | loop_destroy (EV_P) |
1358 | loop_destroy (EV_P) |
1084 | { |
1359 | { |
1085 | int i; |
1360 | int i; |
|
|
1361 | |
|
|
1362 | if (ev_is_active (&pipeev)) |
|
|
1363 | { |
|
|
1364 | ev_ref (EV_A); /* signal watcher */ |
|
|
1365 | ev_io_stop (EV_A_ &pipeev); |
|
|
1366 | |
|
|
1367 | #if EV_USE_EVENTFD |
|
|
1368 | if (evfd >= 0) |
|
|
1369 | close (evfd); |
|
|
1370 | #endif |
|
|
1371 | |
|
|
1372 | if (evpipe [0] >= 0) |
|
|
1373 | { |
|
|
1374 | close (evpipe [0]); |
|
|
1375 | close (evpipe [1]); |
|
|
1376 | } |
|
|
1377 | } |
1086 | |
1378 | |
1087 | #if EV_USE_INOTIFY |
1379 | #if EV_USE_INOTIFY |
1088 | if (fs_fd >= 0) |
1380 | if (fs_fd >= 0) |
1089 | close (fs_fd); |
1381 | close (fs_fd); |
1090 | #endif |
1382 | #endif |
… | |
… | |
1127 | #if EV_FORK_ENABLE |
1419 | #if EV_FORK_ENABLE |
1128 | array_free (fork, EMPTY); |
1420 | array_free (fork, EMPTY); |
1129 | #endif |
1421 | #endif |
1130 | array_free (prepare, EMPTY); |
1422 | array_free (prepare, EMPTY); |
1131 | array_free (check, EMPTY); |
1423 | array_free (check, EMPTY); |
|
|
1424 | #if EV_ASYNC_ENABLE |
|
|
1425 | array_free (async, EMPTY); |
|
|
1426 | #endif |
1132 | |
1427 | |
1133 | backend = 0; |
1428 | backend = 0; |
1134 | } |
1429 | } |
1135 | |
1430 | |
|
|
1431 | #if EV_USE_INOTIFY |
1136 | void inline_size infy_fork (EV_P); |
1432 | void inline_size infy_fork (EV_P); |
|
|
1433 | #endif |
1137 | |
1434 | |
1138 | void inline_size |
1435 | void inline_size |
1139 | loop_fork (EV_P) |
1436 | loop_fork (EV_P) |
1140 | { |
1437 | { |
1141 | #if EV_USE_PORT |
1438 | #if EV_USE_PORT |
… | |
… | |
1149 | #endif |
1446 | #endif |
1150 | #if EV_USE_INOTIFY |
1447 | #if EV_USE_INOTIFY |
1151 | infy_fork (EV_A); |
1448 | infy_fork (EV_A); |
1152 | #endif |
1449 | #endif |
1153 | |
1450 | |
1154 | if (ev_is_active (&sigev)) |
1451 | if (ev_is_active (&pipeev)) |
1155 | { |
1452 | { |
1156 | /* default loop */ |
1453 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1454 | /* while we modify the fd vars */ |
|
|
1455 | gotsig = 1; |
|
|
1456 | #if EV_ASYNC_ENABLE |
|
|
1457 | gotasync = 1; |
|
|
1458 | #endif |
1157 | |
1459 | |
1158 | ev_ref (EV_A); |
1460 | ev_ref (EV_A); |
1159 | ev_io_stop (EV_A_ &sigev); |
1461 | ev_io_stop (EV_A_ &pipeev); |
|
|
1462 | |
|
|
1463 | #if EV_USE_EVENTFD |
|
|
1464 | if (evfd >= 0) |
|
|
1465 | close (evfd); |
|
|
1466 | #endif |
|
|
1467 | |
|
|
1468 | if (evpipe [0] >= 0) |
|
|
1469 | { |
1160 | close (sigpipe [0]); |
1470 | close (evpipe [0]); |
1161 | close (sigpipe [1]); |
1471 | close (evpipe [1]); |
|
|
1472 | } |
1162 | |
1473 | |
1163 | while (pipe (sigpipe)) |
|
|
1164 | syserr ("(libev) error creating pipe"); |
|
|
1165 | |
|
|
1166 | siginit (EV_A); |
1474 | evpipe_init (EV_A); |
|
|
1475 | /* now iterate over everything, in case we missed something */ |
|
|
1476 | pipecb (EV_A_ &pipeev, EV_READ); |
1167 | } |
1477 | } |
1168 | |
1478 | |
1169 | postfork = 0; |
1479 | postfork = 0; |
1170 | } |
1480 | } |
1171 | |
1481 | |
1172 | #if EV_MULTIPLICITY |
1482 | #if EV_MULTIPLICITY |
|
|
1483 | |
1173 | struct ev_loop * |
1484 | struct ev_loop * |
1174 | ev_loop_new (unsigned int flags) |
1485 | ev_loop_new (unsigned int flags) |
1175 | { |
1486 | { |
1176 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1487 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1177 | |
1488 | |
… | |
… | |
1193 | } |
1504 | } |
1194 | |
1505 | |
1195 | void |
1506 | void |
1196 | ev_loop_fork (EV_P) |
1507 | ev_loop_fork (EV_P) |
1197 | { |
1508 | { |
1198 | postfork = 1; |
1509 | postfork = 1; /* must be in line with ev_default_fork */ |
1199 | } |
1510 | } |
1200 | |
1511 | |
|
|
1512 | #if EV_VERIFY |
|
|
1513 | void noinline |
|
|
1514 | verify_watcher (EV_P_ W w) |
|
|
1515 | { |
|
|
1516 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1517 | |
|
|
1518 | if (w->pending) |
|
|
1519 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1520 | } |
|
|
1521 | |
|
|
1522 | static void noinline |
|
|
1523 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1524 | { |
|
|
1525 | int i; |
|
|
1526 | |
|
|
1527 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1528 | { |
|
|
1529 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1530 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1531 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1532 | |
|
|
1533 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1534 | } |
|
|
1535 | } |
|
|
1536 | |
|
|
1537 | static void noinline |
|
|
1538 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1539 | { |
|
|
1540 | while (cnt--) |
|
|
1541 | { |
|
|
1542 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1543 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1544 | } |
|
|
1545 | } |
|
|
1546 | #endif |
|
|
1547 | |
|
|
1548 | void |
|
|
1549 | ev_loop_verify (EV_P) |
|
|
1550 | { |
|
|
1551 | #if EV_VERIFY |
|
|
1552 | int i; |
|
|
1553 | WL w; |
|
|
1554 | |
|
|
1555 | assert (activecnt >= -1); |
|
|
1556 | |
|
|
1557 | assert (fdchangemax >= fdchangecnt); |
|
|
1558 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1559 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1560 | |
|
|
1561 | assert (anfdmax >= 0); |
|
|
1562 | for (i = 0; i < anfdmax; ++i) |
|
|
1563 | for (w = anfds [i].head; w; w = w->next) |
|
|
1564 | { |
|
|
1565 | verify_watcher (EV_A_ (W)w); |
|
|
1566 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1567 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1568 | } |
|
|
1569 | |
|
|
1570 | assert (timermax >= timercnt); |
|
|
1571 | verify_heap (EV_A_ timers, timercnt); |
|
|
1572 | |
|
|
1573 | #if EV_PERIODIC_ENABLE |
|
|
1574 | assert (periodicmax >= periodiccnt); |
|
|
1575 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1576 | #endif |
|
|
1577 | |
|
|
1578 | for (i = NUMPRI; i--; ) |
|
|
1579 | { |
|
|
1580 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1581 | #if EV_IDLE_ENABLE |
|
|
1582 | assert (idleall >= 0); |
|
|
1583 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1584 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1585 | #endif |
|
|
1586 | } |
|
|
1587 | |
|
|
1588 | #if EV_FORK_ENABLE |
|
|
1589 | assert (forkmax >= forkcnt); |
|
|
1590 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1591 | #endif |
|
|
1592 | |
|
|
1593 | #if EV_ASYNC_ENABLE |
|
|
1594 | assert (asyncmax >= asynccnt); |
|
|
1595 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1596 | #endif |
|
|
1597 | |
|
|
1598 | assert (preparemax >= preparecnt); |
|
|
1599 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1600 | |
|
|
1601 | assert (checkmax >= checkcnt); |
|
|
1602 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1603 | |
|
|
1604 | # if 0 |
|
|
1605 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1606 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1201 | #endif |
1607 | # endif |
|
|
1608 | #endif |
|
|
1609 | } |
|
|
1610 | |
|
|
1611 | #endif /* multiplicity */ |
1202 | |
1612 | |
1203 | #if EV_MULTIPLICITY |
1613 | #if EV_MULTIPLICITY |
1204 | struct ev_loop * |
1614 | struct ev_loop * |
1205 | ev_default_loop_init (unsigned int flags) |
1615 | ev_default_loop_init (unsigned int flags) |
1206 | #else |
1616 | #else |
1207 | int |
1617 | int |
1208 | ev_default_loop (unsigned int flags) |
1618 | ev_default_loop (unsigned int flags) |
1209 | #endif |
1619 | #endif |
1210 | { |
1620 | { |
1211 | if (sigpipe [0] == sigpipe [1]) |
|
|
1212 | if (pipe (sigpipe)) |
|
|
1213 | return 0; |
|
|
1214 | |
|
|
1215 | if (!ev_default_loop_ptr) |
1621 | if (!ev_default_loop_ptr) |
1216 | { |
1622 | { |
1217 | #if EV_MULTIPLICITY |
1623 | #if EV_MULTIPLICITY |
1218 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1624 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1219 | #else |
1625 | #else |
… | |
… | |
1222 | |
1628 | |
1223 | loop_init (EV_A_ flags); |
1629 | loop_init (EV_A_ flags); |
1224 | |
1630 | |
1225 | if (ev_backend (EV_A)) |
1631 | if (ev_backend (EV_A)) |
1226 | { |
1632 | { |
1227 | siginit (EV_A); |
|
|
1228 | |
|
|
1229 | #ifndef _WIN32 |
1633 | #ifndef _WIN32 |
1230 | ev_signal_init (&childev, childcb, SIGCHLD); |
1634 | ev_signal_init (&childev, childcb, SIGCHLD); |
1231 | ev_set_priority (&childev, EV_MAXPRI); |
1635 | ev_set_priority (&childev, EV_MAXPRI); |
1232 | ev_signal_start (EV_A_ &childev); |
1636 | ev_signal_start (EV_A_ &childev); |
1233 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1637 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
… | |
… | |
1250 | #ifndef _WIN32 |
1654 | #ifndef _WIN32 |
1251 | ev_ref (EV_A); /* child watcher */ |
1655 | ev_ref (EV_A); /* child watcher */ |
1252 | ev_signal_stop (EV_A_ &childev); |
1656 | ev_signal_stop (EV_A_ &childev); |
1253 | #endif |
1657 | #endif |
1254 | |
1658 | |
1255 | ev_ref (EV_A); /* signal watcher */ |
|
|
1256 | ev_io_stop (EV_A_ &sigev); |
|
|
1257 | |
|
|
1258 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1259 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1260 | |
|
|
1261 | loop_destroy (EV_A); |
1659 | loop_destroy (EV_A); |
1262 | } |
1660 | } |
1263 | |
1661 | |
1264 | void |
1662 | void |
1265 | ev_default_fork (void) |
1663 | ev_default_fork (void) |
… | |
… | |
1267 | #if EV_MULTIPLICITY |
1665 | #if EV_MULTIPLICITY |
1268 | struct ev_loop *loop = ev_default_loop_ptr; |
1666 | struct ev_loop *loop = ev_default_loop_ptr; |
1269 | #endif |
1667 | #endif |
1270 | |
1668 | |
1271 | if (backend) |
1669 | if (backend) |
1272 | postfork = 1; |
1670 | postfork = 1; /* must be in line with ev_loop_fork */ |
1273 | } |
1671 | } |
1274 | |
1672 | |
1275 | /*****************************************************************************/ |
1673 | /*****************************************************************************/ |
1276 | |
1674 | |
1277 | void |
1675 | void |
… | |
… | |
1294 | { |
1692 | { |
1295 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1693 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1296 | |
1694 | |
1297 | p->w->pending = 0; |
1695 | p->w->pending = 0; |
1298 | EV_CB_INVOKE (p->w, p->events); |
1696 | EV_CB_INVOKE (p->w, p->events); |
|
|
1697 | EV_FREQUENT_CHECK; |
1299 | } |
1698 | } |
1300 | } |
1699 | } |
1301 | } |
1700 | } |
1302 | |
|
|
1303 | void inline_size |
|
|
1304 | timers_reify (EV_P) |
|
|
1305 | { |
|
|
1306 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1307 | { |
|
|
1308 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1309 | |
|
|
1310 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1311 | |
|
|
1312 | /* first reschedule or stop timer */ |
|
|
1313 | if (w->repeat) |
|
|
1314 | { |
|
|
1315 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1316 | |
|
|
1317 | ((WT)w)->at += w->repeat; |
|
|
1318 | if (((WT)w)->at < mn_now) |
|
|
1319 | ((WT)w)->at = mn_now; |
|
|
1320 | |
|
|
1321 | downheap (timers, timercnt, 0); |
|
|
1322 | } |
|
|
1323 | else |
|
|
1324 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1325 | |
|
|
1326 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1327 | } |
|
|
1328 | } |
|
|
1329 | |
|
|
1330 | #if EV_PERIODIC_ENABLE |
|
|
1331 | void inline_size |
|
|
1332 | periodics_reify (EV_P) |
|
|
1333 | { |
|
|
1334 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1335 | { |
|
|
1336 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1337 | |
|
|
1338 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1339 | |
|
|
1340 | /* first reschedule or stop timer */ |
|
|
1341 | if (w->reschedule_cb) |
|
|
1342 | { |
|
|
1343 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1344 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1345 | downheap (periodics, periodiccnt, 0); |
|
|
1346 | } |
|
|
1347 | else if (w->interval) |
|
|
1348 | { |
|
|
1349 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1350 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1351 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1352 | downheap (periodics, periodiccnt, 0); |
|
|
1353 | } |
|
|
1354 | else |
|
|
1355 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1356 | |
|
|
1357 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1358 | } |
|
|
1359 | } |
|
|
1360 | |
|
|
1361 | static void noinline |
|
|
1362 | periodics_reschedule (EV_P) |
|
|
1363 | { |
|
|
1364 | int i; |
|
|
1365 | |
|
|
1366 | /* adjust periodics after time jump */ |
|
|
1367 | for (i = 0; i < periodiccnt; ++i) |
|
|
1368 | { |
|
|
1369 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1370 | |
|
|
1371 | if (w->reschedule_cb) |
|
|
1372 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1373 | else if (w->interval) |
|
|
1374 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1375 | } |
|
|
1376 | |
|
|
1377 | /* now rebuild the heap */ |
|
|
1378 | for (i = periodiccnt >> 1; i--; ) |
|
|
1379 | downheap (periodics, periodiccnt, i); |
|
|
1380 | } |
|
|
1381 | #endif |
|
|
1382 | |
1701 | |
1383 | #if EV_IDLE_ENABLE |
1702 | #if EV_IDLE_ENABLE |
1384 | void inline_size |
1703 | void inline_size |
1385 | idle_reify (EV_P) |
1704 | idle_reify (EV_P) |
1386 | { |
1705 | { |
… | |
… | |
1398 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1717 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1399 | break; |
1718 | break; |
1400 | } |
1719 | } |
1401 | } |
1720 | } |
1402 | } |
1721 | } |
|
|
1722 | } |
|
|
1723 | #endif |
|
|
1724 | |
|
|
1725 | void inline_size |
|
|
1726 | timers_reify (EV_P) |
|
|
1727 | { |
|
|
1728 | EV_FREQUENT_CHECK; |
|
|
1729 | |
|
|
1730 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1731 | { |
|
|
1732 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1733 | |
|
|
1734 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1735 | |
|
|
1736 | /* first reschedule or stop timer */ |
|
|
1737 | if (w->repeat) |
|
|
1738 | { |
|
|
1739 | ev_at (w) += w->repeat; |
|
|
1740 | if (ev_at (w) < mn_now) |
|
|
1741 | ev_at (w) = mn_now; |
|
|
1742 | |
|
|
1743 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1744 | |
|
|
1745 | ANHE_at_cache (timers [HEAP0]); |
|
|
1746 | downheap (timers, timercnt, HEAP0); |
|
|
1747 | } |
|
|
1748 | else |
|
|
1749 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1750 | |
|
|
1751 | EV_FREQUENT_CHECK; |
|
|
1752 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1753 | } |
|
|
1754 | } |
|
|
1755 | |
|
|
1756 | #if EV_PERIODIC_ENABLE |
|
|
1757 | void inline_size |
|
|
1758 | periodics_reify (EV_P) |
|
|
1759 | { |
|
|
1760 | EV_FREQUENT_CHECK; |
|
|
1761 | |
|
|
1762 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1763 | { |
|
|
1764 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1765 | |
|
|
1766 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1767 | |
|
|
1768 | /* first reschedule or stop timer */ |
|
|
1769 | if (w->reschedule_cb) |
|
|
1770 | { |
|
|
1771 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1772 | |
|
|
1773 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1774 | |
|
|
1775 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1776 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1777 | } |
|
|
1778 | else if (w->interval) |
|
|
1779 | { |
|
|
1780 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1781 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1782 | /* this might happen because of floating point inexactness */ |
|
|
1783 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1784 | { |
|
|
1785 | ev_at (w) += w->interval; |
|
|
1786 | |
|
|
1787 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1788 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1789 | /* has effectively asked to get triggered more often than possible */ |
|
|
1790 | if (ev_at (w) < ev_rt_now) |
|
|
1791 | ev_at (w) = ev_rt_now; |
|
|
1792 | } |
|
|
1793 | |
|
|
1794 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1795 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1796 | } |
|
|
1797 | else |
|
|
1798 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1799 | |
|
|
1800 | EV_FREQUENT_CHECK; |
|
|
1801 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1802 | } |
|
|
1803 | } |
|
|
1804 | |
|
|
1805 | static void noinline |
|
|
1806 | periodics_reschedule (EV_P) |
|
|
1807 | { |
|
|
1808 | int i; |
|
|
1809 | |
|
|
1810 | /* adjust periodics after time jump */ |
|
|
1811 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1812 | { |
|
|
1813 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1814 | |
|
|
1815 | if (w->reschedule_cb) |
|
|
1816 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1817 | else if (w->interval) |
|
|
1818 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1819 | |
|
|
1820 | ANHE_at_cache (periodics [i]); |
|
|
1821 | } |
|
|
1822 | |
|
|
1823 | reheap (periodics, periodiccnt); |
1403 | } |
1824 | } |
1404 | #endif |
1825 | #endif |
1405 | |
1826 | |
1406 | void inline_speed |
1827 | void inline_speed |
1407 | time_update (EV_P_ ev_tstamp max_block) |
1828 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1436 | */ |
1857 | */ |
1437 | for (i = 4; --i; ) |
1858 | for (i = 4; --i; ) |
1438 | { |
1859 | { |
1439 | rtmn_diff = ev_rt_now - mn_now; |
1860 | rtmn_diff = ev_rt_now - mn_now; |
1440 | |
1861 | |
1441 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1862 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1442 | return; /* all is well */ |
1863 | return; /* all is well */ |
1443 | |
1864 | |
1444 | ev_rt_now = ev_time (); |
1865 | ev_rt_now = ev_time (); |
1445 | mn_now = get_clock (); |
1866 | mn_now = get_clock (); |
1446 | now_floor = mn_now; |
1867 | now_floor = mn_now; |
… | |
… | |
1462 | #if EV_PERIODIC_ENABLE |
1883 | #if EV_PERIODIC_ENABLE |
1463 | periodics_reschedule (EV_A); |
1884 | periodics_reschedule (EV_A); |
1464 | #endif |
1885 | #endif |
1465 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1886 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1466 | for (i = 0; i < timercnt; ++i) |
1887 | for (i = 0; i < timercnt; ++i) |
|
|
1888 | { |
|
|
1889 | ANHE *he = timers + i + HEAP0; |
1467 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1890 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1891 | ANHE_at_cache (*he); |
|
|
1892 | } |
1468 | } |
1893 | } |
1469 | |
1894 | |
1470 | mn_now = ev_rt_now; |
1895 | mn_now = ev_rt_now; |
1471 | } |
1896 | } |
1472 | } |
1897 | } |
… | |
… | |
1486 | static int loop_done; |
1911 | static int loop_done; |
1487 | |
1912 | |
1488 | void |
1913 | void |
1489 | ev_loop (EV_P_ int flags) |
1914 | ev_loop (EV_P_ int flags) |
1490 | { |
1915 | { |
1491 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1916 | loop_done = EVUNLOOP_CANCEL; |
1492 | ? EVUNLOOP_ONE |
|
|
1493 | : EVUNLOOP_CANCEL; |
|
|
1494 | |
1917 | |
1495 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1918 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1496 | |
1919 | |
1497 | do |
1920 | do |
1498 | { |
1921 | { |
|
|
1922 | #if EV_VERIFY >= 2 |
|
|
1923 | ev_loop_verify (EV_A); |
|
|
1924 | #endif |
|
|
1925 | |
1499 | #ifndef _WIN32 |
1926 | #ifndef _WIN32 |
1500 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1927 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1501 | if (expect_false (getpid () != curpid)) |
1928 | if (expect_false (getpid () != curpid)) |
1502 | { |
1929 | { |
1503 | curpid = getpid (); |
1930 | curpid = getpid (); |
… | |
… | |
1544 | |
1971 | |
1545 | waittime = MAX_BLOCKTIME; |
1972 | waittime = MAX_BLOCKTIME; |
1546 | |
1973 | |
1547 | if (timercnt) |
1974 | if (timercnt) |
1548 | { |
1975 | { |
1549 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1976 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1550 | if (waittime > to) waittime = to; |
1977 | if (waittime > to) waittime = to; |
1551 | } |
1978 | } |
1552 | |
1979 | |
1553 | #if EV_PERIODIC_ENABLE |
1980 | #if EV_PERIODIC_ENABLE |
1554 | if (periodiccnt) |
1981 | if (periodiccnt) |
1555 | { |
1982 | { |
1556 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1983 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1557 | if (waittime > to) waittime = to; |
1984 | if (waittime > to) waittime = to; |
1558 | } |
1985 | } |
1559 | #endif |
1986 | #endif |
1560 | |
1987 | |
1561 | if (expect_false (waittime < timeout_blocktime)) |
1988 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1594 | /* queue check watchers, to be executed first */ |
2021 | /* queue check watchers, to be executed first */ |
1595 | if (expect_false (checkcnt)) |
2022 | if (expect_false (checkcnt)) |
1596 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2023 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1597 | |
2024 | |
1598 | call_pending (EV_A); |
2025 | call_pending (EV_A); |
1599 | |
|
|
1600 | } |
2026 | } |
1601 | while (expect_true (activecnt && !loop_done)); |
2027 | while (expect_true ( |
|
|
2028 | activecnt |
|
|
2029 | && !loop_done |
|
|
2030 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
2031 | )); |
1602 | |
2032 | |
1603 | if (loop_done == EVUNLOOP_ONE) |
2033 | if (loop_done == EVUNLOOP_ONE) |
1604 | loop_done = EVUNLOOP_CANCEL; |
2034 | loop_done = EVUNLOOP_CANCEL; |
1605 | } |
2035 | } |
1606 | |
2036 | |
… | |
… | |
1695 | if (expect_false (ev_is_active (w))) |
2125 | if (expect_false (ev_is_active (w))) |
1696 | return; |
2126 | return; |
1697 | |
2127 | |
1698 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2128 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1699 | |
2129 | |
|
|
2130 | EV_FREQUENT_CHECK; |
|
|
2131 | |
1700 | ev_start (EV_A_ (W)w, 1); |
2132 | ev_start (EV_A_ (W)w, 1); |
1701 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2133 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1702 | wlist_add (&anfds[fd].head, (WL)w); |
2134 | wlist_add (&anfds[fd].head, (WL)w); |
1703 | |
2135 | |
1704 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2136 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1705 | w->events &= ~EV_IOFDSET; |
2137 | w->events &= ~EV_IOFDSET; |
|
|
2138 | |
|
|
2139 | EV_FREQUENT_CHECK; |
1706 | } |
2140 | } |
1707 | |
2141 | |
1708 | void noinline |
2142 | void noinline |
1709 | ev_io_stop (EV_P_ ev_io *w) |
2143 | ev_io_stop (EV_P_ ev_io *w) |
1710 | { |
2144 | { |
1711 | clear_pending (EV_A_ (W)w); |
2145 | clear_pending (EV_A_ (W)w); |
1712 | if (expect_false (!ev_is_active (w))) |
2146 | if (expect_false (!ev_is_active (w))) |
1713 | return; |
2147 | return; |
1714 | |
2148 | |
1715 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2149 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2150 | |
|
|
2151 | EV_FREQUENT_CHECK; |
1716 | |
2152 | |
1717 | wlist_del (&anfds[w->fd].head, (WL)w); |
2153 | wlist_del (&anfds[w->fd].head, (WL)w); |
1718 | ev_stop (EV_A_ (W)w); |
2154 | ev_stop (EV_A_ (W)w); |
1719 | |
2155 | |
1720 | fd_change (EV_A_ w->fd, 1); |
2156 | fd_change (EV_A_ w->fd, 1); |
|
|
2157 | |
|
|
2158 | EV_FREQUENT_CHECK; |
1721 | } |
2159 | } |
1722 | |
2160 | |
1723 | void noinline |
2161 | void noinline |
1724 | ev_timer_start (EV_P_ ev_timer *w) |
2162 | ev_timer_start (EV_P_ ev_timer *w) |
1725 | { |
2163 | { |
1726 | if (expect_false (ev_is_active (w))) |
2164 | if (expect_false (ev_is_active (w))) |
1727 | return; |
2165 | return; |
1728 | |
2166 | |
1729 | ((WT)w)->at += mn_now; |
2167 | ev_at (w) += mn_now; |
1730 | |
2168 | |
1731 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2169 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1732 | |
2170 | |
|
|
2171 | EV_FREQUENT_CHECK; |
|
|
2172 | |
|
|
2173 | ++timercnt; |
1733 | ev_start (EV_A_ (W)w, ++timercnt); |
2174 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1734 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2175 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1735 | timers [timercnt - 1] = (WT)w; |
2176 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1736 | upheap (timers, timercnt - 1); |
2177 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2178 | upheap (timers, ev_active (w)); |
1737 | |
2179 | |
|
|
2180 | EV_FREQUENT_CHECK; |
|
|
2181 | |
1738 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2182 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1739 | } |
2183 | } |
1740 | |
2184 | |
1741 | void noinline |
2185 | void noinline |
1742 | ev_timer_stop (EV_P_ ev_timer *w) |
2186 | ev_timer_stop (EV_P_ ev_timer *w) |
1743 | { |
2187 | { |
1744 | clear_pending (EV_A_ (W)w); |
2188 | clear_pending (EV_A_ (W)w); |
1745 | if (expect_false (!ev_is_active (w))) |
2189 | if (expect_false (!ev_is_active (w))) |
1746 | return; |
2190 | return; |
1747 | |
2191 | |
1748 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2192 | EV_FREQUENT_CHECK; |
1749 | |
2193 | |
1750 | { |
2194 | { |
1751 | int active = ((W)w)->active; |
2195 | int active = ev_active (w); |
1752 | |
2196 | |
|
|
2197 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2198 | |
|
|
2199 | --timercnt; |
|
|
2200 | |
1753 | if (expect_true (--active < --timercnt)) |
2201 | if (expect_true (active < timercnt + HEAP0)) |
1754 | { |
2202 | { |
1755 | timers [active] = timers [timercnt]; |
2203 | timers [active] = timers [timercnt + HEAP0]; |
1756 | adjustheap (timers, timercnt, active); |
2204 | adjustheap (timers, timercnt, active); |
1757 | } |
2205 | } |
1758 | } |
2206 | } |
1759 | |
2207 | |
1760 | ((WT)w)->at -= mn_now; |
2208 | EV_FREQUENT_CHECK; |
|
|
2209 | |
|
|
2210 | ev_at (w) -= mn_now; |
1761 | |
2211 | |
1762 | ev_stop (EV_A_ (W)w); |
2212 | ev_stop (EV_A_ (W)w); |
1763 | } |
2213 | } |
1764 | |
2214 | |
1765 | void noinline |
2215 | void noinline |
1766 | ev_timer_again (EV_P_ ev_timer *w) |
2216 | ev_timer_again (EV_P_ ev_timer *w) |
1767 | { |
2217 | { |
|
|
2218 | EV_FREQUENT_CHECK; |
|
|
2219 | |
1768 | if (ev_is_active (w)) |
2220 | if (ev_is_active (w)) |
1769 | { |
2221 | { |
1770 | if (w->repeat) |
2222 | if (w->repeat) |
1771 | { |
2223 | { |
1772 | ((WT)w)->at = mn_now + w->repeat; |
2224 | ev_at (w) = mn_now + w->repeat; |
|
|
2225 | ANHE_at_cache (timers [ev_active (w)]); |
1773 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2226 | adjustheap (timers, timercnt, ev_active (w)); |
1774 | } |
2227 | } |
1775 | else |
2228 | else |
1776 | ev_timer_stop (EV_A_ w); |
2229 | ev_timer_stop (EV_A_ w); |
1777 | } |
2230 | } |
1778 | else if (w->repeat) |
2231 | else if (w->repeat) |
1779 | { |
2232 | { |
1780 | w->at = w->repeat; |
2233 | ev_at (w) = w->repeat; |
1781 | ev_timer_start (EV_A_ w); |
2234 | ev_timer_start (EV_A_ w); |
1782 | } |
2235 | } |
|
|
2236 | |
|
|
2237 | EV_FREQUENT_CHECK; |
1783 | } |
2238 | } |
1784 | |
2239 | |
1785 | #if EV_PERIODIC_ENABLE |
2240 | #if EV_PERIODIC_ENABLE |
1786 | void noinline |
2241 | void noinline |
1787 | ev_periodic_start (EV_P_ ev_periodic *w) |
2242 | ev_periodic_start (EV_P_ ev_periodic *w) |
1788 | { |
2243 | { |
1789 | if (expect_false (ev_is_active (w))) |
2244 | if (expect_false (ev_is_active (w))) |
1790 | return; |
2245 | return; |
1791 | |
2246 | |
1792 | if (w->reschedule_cb) |
2247 | if (w->reschedule_cb) |
1793 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2248 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1794 | else if (w->interval) |
2249 | else if (w->interval) |
1795 | { |
2250 | { |
1796 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2251 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1797 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2252 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1798 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2253 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1799 | } |
2254 | } |
1800 | else |
2255 | else |
1801 | ((WT)w)->at = w->offset; |
2256 | ev_at (w) = w->offset; |
1802 | |
2257 | |
|
|
2258 | EV_FREQUENT_CHECK; |
|
|
2259 | |
|
|
2260 | ++periodiccnt; |
1803 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2261 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1804 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2262 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1805 | periodics [periodiccnt - 1] = (WT)w; |
2263 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1806 | upheap (periodics, periodiccnt - 1); |
2264 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2265 | upheap (periodics, ev_active (w)); |
1807 | |
2266 | |
|
|
2267 | EV_FREQUENT_CHECK; |
|
|
2268 | |
1808 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2269 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1809 | } |
2270 | } |
1810 | |
2271 | |
1811 | void noinline |
2272 | void noinline |
1812 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2273 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1813 | { |
2274 | { |
1814 | clear_pending (EV_A_ (W)w); |
2275 | clear_pending (EV_A_ (W)w); |
1815 | if (expect_false (!ev_is_active (w))) |
2276 | if (expect_false (!ev_is_active (w))) |
1816 | return; |
2277 | return; |
1817 | |
2278 | |
1818 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2279 | EV_FREQUENT_CHECK; |
1819 | |
2280 | |
1820 | { |
2281 | { |
1821 | int active = ((W)w)->active; |
2282 | int active = ev_active (w); |
1822 | |
2283 | |
|
|
2284 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2285 | |
|
|
2286 | --periodiccnt; |
|
|
2287 | |
1823 | if (expect_true (--active < --periodiccnt)) |
2288 | if (expect_true (active < periodiccnt + HEAP0)) |
1824 | { |
2289 | { |
1825 | periodics [active] = periodics [periodiccnt]; |
2290 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1826 | adjustheap (periodics, periodiccnt, active); |
2291 | adjustheap (periodics, periodiccnt, active); |
1827 | } |
2292 | } |
1828 | } |
2293 | } |
1829 | |
2294 | |
|
|
2295 | EV_FREQUENT_CHECK; |
|
|
2296 | |
1830 | ev_stop (EV_A_ (W)w); |
2297 | ev_stop (EV_A_ (W)w); |
1831 | } |
2298 | } |
1832 | |
2299 | |
1833 | void noinline |
2300 | void noinline |
1834 | ev_periodic_again (EV_P_ ev_periodic *w) |
2301 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1851 | #endif |
2318 | #endif |
1852 | if (expect_false (ev_is_active (w))) |
2319 | if (expect_false (ev_is_active (w))) |
1853 | return; |
2320 | return; |
1854 | |
2321 | |
1855 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2322 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
|
|
2323 | |
|
|
2324 | evpipe_init (EV_A); |
|
|
2325 | |
|
|
2326 | EV_FREQUENT_CHECK; |
1856 | |
2327 | |
1857 | { |
2328 | { |
1858 | #ifndef _WIN32 |
2329 | #ifndef _WIN32 |
1859 | sigset_t full, prev; |
2330 | sigset_t full, prev; |
1860 | sigfillset (&full); |
2331 | sigfillset (&full); |
… | |
… | |
1872 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2343 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1873 | |
2344 | |
1874 | if (!((WL)w)->next) |
2345 | if (!((WL)w)->next) |
1875 | { |
2346 | { |
1876 | #if _WIN32 |
2347 | #if _WIN32 |
1877 | signal (w->signum, sighandler); |
2348 | signal (w->signum, ev_sighandler); |
1878 | #else |
2349 | #else |
1879 | struct sigaction sa; |
2350 | struct sigaction sa; |
1880 | sa.sa_handler = sighandler; |
2351 | sa.sa_handler = ev_sighandler; |
1881 | sigfillset (&sa.sa_mask); |
2352 | sigfillset (&sa.sa_mask); |
1882 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2353 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1883 | sigaction (w->signum, &sa, 0); |
2354 | sigaction (w->signum, &sa, 0); |
1884 | #endif |
2355 | #endif |
1885 | } |
2356 | } |
|
|
2357 | |
|
|
2358 | EV_FREQUENT_CHECK; |
1886 | } |
2359 | } |
1887 | |
2360 | |
1888 | void noinline |
2361 | void noinline |
1889 | ev_signal_stop (EV_P_ ev_signal *w) |
2362 | ev_signal_stop (EV_P_ ev_signal *w) |
1890 | { |
2363 | { |
1891 | clear_pending (EV_A_ (W)w); |
2364 | clear_pending (EV_A_ (W)w); |
1892 | if (expect_false (!ev_is_active (w))) |
2365 | if (expect_false (!ev_is_active (w))) |
1893 | return; |
2366 | return; |
1894 | |
2367 | |
|
|
2368 | EV_FREQUENT_CHECK; |
|
|
2369 | |
1895 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2370 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1896 | ev_stop (EV_A_ (W)w); |
2371 | ev_stop (EV_A_ (W)w); |
1897 | |
2372 | |
1898 | if (!signals [w->signum - 1].head) |
2373 | if (!signals [w->signum - 1].head) |
1899 | signal (w->signum, SIG_DFL); |
2374 | signal (w->signum, SIG_DFL); |
|
|
2375 | |
|
|
2376 | EV_FREQUENT_CHECK; |
1900 | } |
2377 | } |
1901 | |
2378 | |
1902 | void |
2379 | void |
1903 | ev_child_start (EV_P_ ev_child *w) |
2380 | ev_child_start (EV_P_ ev_child *w) |
1904 | { |
2381 | { |
… | |
… | |
1906 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2383 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1907 | #endif |
2384 | #endif |
1908 | if (expect_false (ev_is_active (w))) |
2385 | if (expect_false (ev_is_active (w))) |
1909 | return; |
2386 | return; |
1910 | |
2387 | |
|
|
2388 | EV_FREQUENT_CHECK; |
|
|
2389 | |
1911 | ev_start (EV_A_ (W)w, 1); |
2390 | ev_start (EV_A_ (W)w, 1); |
1912 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2391 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2392 | |
|
|
2393 | EV_FREQUENT_CHECK; |
1913 | } |
2394 | } |
1914 | |
2395 | |
1915 | void |
2396 | void |
1916 | ev_child_stop (EV_P_ ev_child *w) |
2397 | ev_child_stop (EV_P_ ev_child *w) |
1917 | { |
2398 | { |
1918 | clear_pending (EV_A_ (W)w); |
2399 | clear_pending (EV_A_ (W)w); |
1919 | if (expect_false (!ev_is_active (w))) |
2400 | if (expect_false (!ev_is_active (w))) |
1920 | return; |
2401 | return; |
1921 | |
2402 | |
|
|
2403 | EV_FREQUENT_CHECK; |
|
|
2404 | |
1922 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2405 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1923 | ev_stop (EV_A_ (W)w); |
2406 | ev_stop (EV_A_ (W)w); |
|
|
2407 | |
|
|
2408 | EV_FREQUENT_CHECK; |
1924 | } |
2409 | } |
1925 | |
2410 | |
1926 | #if EV_STAT_ENABLE |
2411 | #if EV_STAT_ENABLE |
1927 | |
2412 | |
1928 | # ifdef _WIN32 |
2413 | # ifdef _WIN32 |
… | |
… | |
1946 | if (w->wd < 0) |
2431 | if (w->wd < 0) |
1947 | { |
2432 | { |
1948 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2433 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
1949 | |
2434 | |
1950 | /* monitor some parent directory for speedup hints */ |
2435 | /* monitor some parent directory for speedup hints */ |
|
|
2436 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
|
|
2437 | /* but an efficiency issue only */ |
1951 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2438 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
1952 | { |
2439 | { |
1953 | char path [4096]; |
2440 | char path [4096]; |
1954 | strcpy (path, w->path); |
2441 | strcpy (path, w->path); |
1955 | |
2442 | |
… | |
… | |
2081 | } |
2568 | } |
2082 | |
2569 | |
2083 | } |
2570 | } |
2084 | } |
2571 | } |
2085 | |
2572 | |
|
|
2573 | #endif |
|
|
2574 | |
|
|
2575 | #ifdef _WIN32 |
|
|
2576 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2577 | #else |
|
|
2578 | # define EV_LSTAT(p,b) lstat (p, b) |
2086 | #endif |
2579 | #endif |
2087 | |
2580 | |
2088 | void |
2581 | void |
2089 | ev_stat_stat (EV_P_ ev_stat *w) |
2582 | ev_stat_stat (EV_P_ ev_stat *w) |
2090 | { |
2583 | { |
… | |
… | |
2154 | else |
2647 | else |
2155 | #endif |
2648 | #endif |
2156 | ev_timer_start (EV_A_ &w->timer); |
2649 | ev_timer_start (EV_A_ &w->timer); |
2157 | |
2650 | |
2158 | ev_start (EV_A_ (W)w, 1); |
2651 | ev_start (EV_A_ (W)w, 1); |
|
|
2652 | |
|
|
2653 | EV_FREQUENT_CHECK; |
2159 | } |
2654 | } |
2160 | |
2655 | |
2161 | void |
2656 | void |
2162 | ev_stat_stop (EV_P_ ev_stat *w) |
2657 | ev_stat_stop (EV_P_ ev_stat *w) |
2163 | { |
2658 | { |
2164 | clear_pending (EV_A_ (W)w); |
2659 | clear_pending (EV_A_ (W)w); |
2165 | if (expect_false (!ev_is_active (w))) |
2660 | if (expect_false (!ev_is_active (w))) |
2166 | return; |
2661 | return; |
2167 | |
2662 | |
|
|
2663 | EV_FREQUENT_CHECK; |
|
|
2664 | |
2168 | #if EV_USE_INOTIFY |
2665 | #if EV_USE_INOTIFY |
2169 | infy_del (EV_A_ w); |
2666 | infy_del (EV_A_ w); |
2170 | #endif |
2667 | #endif |
2171 | ev_timer_stop (EV_A_ &w->timer); |
2668 | ev_timer_stop (EV_A_ &w->timer); |
2172 | |
2669 | |
2173 | ev_stop (EV_A_ (W)w); |
2670 | ev_stop (EV_A_ (W)w); |
|
|
2671 | |
|
|
2672 | EV_FREQUENT_CHECK; |
2174 | } |
2673 | } |
2175 | #endif |
2674 | #endif |
2176 | |
2675 | |
2177 | #if EV_IDLE_ENABLE |
2676 | #if EV_IDLE_ENABLE |
2178 | void |
2677 | void |
… | |
… | |
2180 | { |
2679 | { |
2181 | if (expect_false (ev_is_active (w))) |
2680 | if (expect_false (ev_is_active (w))) |
2182 | return; |
2681 | return; |
2183 | |
2682 | |
2184 | pri_adjust (EV_A_ (W)w); |
2683 | pri_adjust (EV_A_ (W)w); |
|
|
2684 | |
|
|
2685 | EV_FREQUENT_CHECK; |
2185 | |
2686 | |
2186 | { |
2687 | { |
2187 | int active = ++idlecnt [ABSPRI (w)]; |
2688 | int active = ++idlecnt [ABSPRI (w)]; |
2188 | |
2689 | |
2189 | ++idleall; |
2690 | ++idleall; |
2190 | ev_start (EV_A_ (W)w, active); |
2691 | ev_start (EV_A_ (W)w, active); |
2191 | |
2692 | |
2192 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2693 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2193 | idles [ABSPRI (w)][active - 1] = w; |
2694 | idles [ABSPRI (w)][active - 1] = w; |
2194 | } |
2695 | } |
|
|
2696 | |
|
|
2697 | EV_FREQUENT_CHECK; |
2195 | } |
2698 | } |
2196 | |
2699 | |
2197 | void |
2700 | void |
2198 | ev_idle_stop (EV_P_ ev_idle *w) |
2701 | ev_idle_stop (EV_P_ ev_idle *w) |
2199 | { |
2702 | { |
2200 | clear_pending (EV_A_ (W)w); |
2703 | clear_pending (EV_A_ (W)w); |
2201 | if (expect_false (!ev_is_active (w))) |
2704 | if (expect_false (!ev_is_active (w))) |
2202 | return; |
2705 | return; |
2203 | |
2706 | |
|
|
2707 | EV_FREQUENT_CHECK; |
|
|
2708 | |
2204 | { |
2709 | { |
2205 | int active = ((W)w)->active; |
2710 | int active = ev_active (w); |
2206 | |
2711 | |
2207 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2712 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2208 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2713 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2209 | |
2714 | |
2210 | ev_stop (EV_A_ (W)w); |
2715 | ev_stop (EV_A_ (W)w); |
2211 | --idleall; |
2716 | --idleall; |
2212 | } |
2717 | } |
|
|
2718 | |
|
|
2719 | EV_FREQUENT_CHECK; |
2213 | } |
2720 | } |
2214 | #endif |
2721 | #endif |
2215 | |
2722 | |
2216 | void |
2723 | void |
2217 | ev_prepare_start (EV_P_ ev_prepare *w) |
2724 | ev_prepare_start (EV_P_ ev_prepare *w) |
2218 | { |
2725 | { |
2219 | if (expect_false (ev_is_active (w))) |
2726 | if (expect_false (ev_is_active (w))) |
2220 | return; |
2727 | return; |
|
|
2728 | |
|
|
2729 | EV_FREQUENT_CHECK; |
2221 | |
2730 | |
2222 | ev_start (EV_A_ (W)w, ++preparecnt); |
2731 | ev_start (EV_A_ (W)w, ++preparecnt); |
2223 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2732 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2224 | prepares [preparecnt - 1] = w; |
2733 | prepares [preparecnt - 1] = w; |
|
|
2734 | |
|
|
2735 | EV_FREQUENT_CHECK; |
2225 | } |
2736 | } |
2226 | |
2737 | |
2227 | void |
2738 | void |
2228 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2739 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2229 | { |
2740 | { |
2230 | clear_pending (EV_A_ (W)w); |
2741 | clear_pending (EV_A_ (W)w); |
2231 | if (expect_false (!ev_is_active (w))) |
2742 | if (expect_false (!ev_is_active (w))) |
2232 | return; |
2743 | return; |
2233 | |
2744 | |
|
|
2745 | EV_FREQUENT_CHECK; |
|
|
2746 | |
2234 | { |
2747 | { |
2235 | int active = ((W)w)->active; |
2748 | int active = ev_active (w); |
|
|
2749 | |
2236 | prepares [active - 1] = prepares [--preparecnt]; |
2750 | prepares [active - 1] = prepares [--preparecnt]; |
2237 | ((W)prepares [active - 1])->active = active; |
2751 | ev_active (prepares [active - 1]) = active; |
2238 | } |
2752 | } |
2239 | |
2753 | |
2240 | ev_stop (EV_A_ (W)w); |
2754 | ev_stop (EV_A_ (W)w); |
|
|
2755 | |
|
|
2756 | EV_FREQUENT_CHECK; |
2241 | } |
2757 | } |
2242 | |
2758 | |
2243 | void |
2759 | void |
2244 | ev_check_start (EV_P_ ev_check *w) |
2760 | ev_check_start (EV_P_ ev_check *w) |
2245 | { |
2761 | { |
2246 | if (expect_false (ev_is_active (w))) |
2762 | if (expect_false (ev_is_active (w))) |
2247 | return; |
2763 | return; |
|
|
2764 | |
|
|
2765 | EV_FREQUENT_CHECK; |
2248 | |
2766 | |
2249 | ev_start (EV_A_ (W)w, ++checkcnt); |
2767 | ev_start (EV_A_ (W)w, ++checkcnt); |
2250 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2768 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2251 | checks [checkcnt - 1] = w; |
2769 | checks [checkcnt - 1] = w; |
|
|
2770 | |
|
|
2771 | EV_FREQUENT_CHECK; |
2252 | } |
2772 | } |
2253 | |
2773 | |
2254 | void |
2774 | void |
2255 | ev_check_stop (EV_P_ ev_check *w) |
2775 | ev_check_stop (EV_P_ ev_check *w) |
2256 | { |
2776 | { |
2257 | clear_pending (EV_A_ (W)w); |
2777 | clear_pending (EV_A_ (W)w); |
2258 | if (expect_false (!ev_is_active (w))) |
2778 | if (expect_false (!ev_is_active (w))) |
2259 | return; |
2779 | return; |
2260 | |
2780 | |
|
|
2781 | EV_FREQUENT_CHECK; |
|
|
2782 | |
2261 | { |
2783 | { |
2262 | int active = ((W)w)->active; |
2784 | int active = ev_active (w); |
|
|
2785 | |
2263 | checks [active - 1] = checks [--checkcnt]; |
2786 | checks [active - 1] = checks [--checkcnt]; |
2264 | ((W)checks [active - 1])->active = active; |
2787 | ev_active (checks [active - 1]) = active; |
2265 | } |
2788 | } |
2266 | |
2789 | |
2267 | ev_stop (EV_A_ (W)w); |
2790 | ev_stop (EV_A_ (W)w); |
|
|
2791 | |
|
|
2792 | EV_FREQUENT_CHECK; |
2268 | } |
2793 | } |
2269 | |
2794 | |
2270 | #if EV_EMBED_ENABLE |
2795 | #if EV_EMBED_ENABLE |
2271 | void noinline |
2796 | void noinline |
2272 | ev_embed_sweep (EV_P_ ev_embed *w) |
2797 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2319 | struct ev_loop *loop = w->other; |
2844 | struct ev_loop *loop = w->other; |
2320 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2845 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2321 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2846 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2322 | } |
2847 | } |
2323 | |
2848 | |
|
|
2849 | EV_FREQUENT_CHECK; |
|
|
2850 | |
2324 | ev_set_priority (&w->io, ev_priority (w)); |
2851 | ev_set_priority (&w->io, ev_priority (w)); |
2325 | ev_io_start (EV_A_ &w->io); |
2852 | ev_io_start (EV_A_ &w->io); |
2326 | |
2853 | |
2327 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2854 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2328 | ev_set_priority (&w->prepare, EV_MINPRI); |
2855 | ev_set_priority (&w->prepare, EV_MINPRI); |
2329 | ev_prepare_start (EV_A_ &w->prepare); |
2856 | ev_prepare_start (EV_A_ &w->prepare); |
2330 | |
2857 | |
2331 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2858 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2332 | |
2859 | |
2333 | ev_start (EV_A_ (W)w, 1); |
2860 | ev_start (EV_A_ (W)w, 1); |
|
|
2861 | |
|
|
2862 | EV_FREQUENT_CHECK; |
2334 | } |
2863 | } |
2335 | |
2864 | |
2336 | void |
2865 | void |
2337 | ev_embed_stop (EV_P_ ev_embed *w) |
2866 | ev_embed_stop (EV_P_ ev_embed *w) |
2338 | { |
2867 | { |
2339 | clear_pending (EV_A_ (W)w); |
2868 | clear_pending (EV_A_ (W)w); |
2340 | if (expect_false (!ev_is_active (w))) |
2869 | if (expect_false (!ev_is_active (w))) |
2341 | return; |
2870 | return; |
2342 | |
2871 | |
|
|
2872 | EV_FREQUENT_CHECK; |
|
|
2873 | |
2343 | ev_io_stop (EV_A_ &w->io); |
2874 | ev_io_stop (EV_A_ &w->io); |
2344 | ev_prepare_stop (EV_A_ &w->prepare); |
2875 | ev_prepare_stop (EV_A_ &w->prepare); |
2345 | |
2876 | |
2346 | ev_stop (EV_A_ (W)w); |
2877 | ev_stop (EV_A_ (W)w); |
|
|
2878 | |
|
|
2879 | EV_FREQUENT_CHECK; |
2347 | } |
2880 | } |
2348 | #endif |
2881 | #endif |
2349 | |
2882 | |
2350 | #if EV_FORK_ENABLE |
2883 | #if EV_FORK_ENABLE |
2351 | void |
2884 | void |
2352 | ev_fork_start (EV_P_ ev_fork *w) |
2885 | ev_fork_start (EV_P_ ev_fork *w) |
2353 | { |
2886 | { |
2354 | if (expect_false (ev_is_active (w))) |
2887 | if (expect_false (ev_is_active (w))) |
2355 | return; |
2888 | return; |
|
|
2889 | |
|
|
2890 | EV_FREQUENT_CHECK; |
2356 | |
2891 | |
2357 | ev_start (EV_A_ (W)w, ++forkcnt); |
2892 | ev_start (EV_A_ (W)w, ++forkcnt); |
2358 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2893 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2359 | forks [forkcnt - 1] = w; |
2894 | forks [forkcnt - 1] = w; |
|
|
2895 | |
|
|
2896 | EV_FREQUENT_CHECK; |
2360 | } |
2897 | } |
2361 | |
2898 | |
2362 | void |
2899 | void |
2363 | ev_fork_stop (EV_P_ ev_fork *w) |
2900 | ev_fork_stop (EV_P_ ev_fork *w) |
2364 | { |
2901 | { |
2365 | clear_pending (EV_A_ (W)w); |
2902 | clear_pending (EV_A_ (W)w); |
2366 | if (expect_false (!ev_is_active (w))) |
2903 | if (expect_false (!ev_is_active (w))) |
2367 | return; |
2904 | return; |
2368 | |
2905 | |
|
|
2906 | EV_FREQUENT_CHECK; |
|
|
2907 | |
2369 | { |
2908 | { |
2370 | int active = ((W)w)->active; |
2909 | int active = ev_active (w); |
|
|
2910 | |
2371 | forks [active - 1] = forks [--forkcnt]; |
2911 | forks [active - 1] = forks [--forkcnt]; |
2372 | ((W)forks [active - 1])->active = active; |
2912 | ev_active (forks [active - 1]) = active; |
2373 | } |
2913 | } |
2374 | |
2914 | |
2375 | ev_stop (EV_A_ (W)w); |
2915 | ev_stop (EV_A_ (W)w); |
|
|
2916 | |
|
|
2917 | EV_FREQUENT_CHECK; |
|
|
2918 | } |
|
|
2919 | #endif |
|
|
2920 | |
|
|
2921 | #if EV_ASYNC_ENABLE |
|
|
2922 | void |
|
|
2923 | ev_async_start (EV_P_ ev_async *w) |
|
|
2924 | { |
|
|
2925 | if (expect_false (ev_is_active (w))) |
|
|
2926 | return; |
|
|
2927 | |
|
|
2928 | evpipe_init (EV_A); |
|
|
2929 | |
|
|
2930 | EV_FREQUENT_CHECK; |
|
|
2931 | |
|
|
2932 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
2933 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
2934 | asyncs [asynccnt - 1] = w; |
|
|
2935 | |
|
|
2936 | EV_FREQUENT_CHECK; |
|
|
2937 | } |
|
|
2938 | |
|
|
2939 | void |
|
|
2940 | ev_async_stop (EV_P_ ev_async *w) |
|
|
2941 | { |
|
|
2942 | clear_pending (EV_A_ (W)w); |
|
|
2943 | if (expect_false (!ev_is_active (w))) |
|
|
2944 | return; |
|
|
2945 | |
|
|
2946 | EV_FREQUENT_CHECK; |
|
|
2947 | |
|
|
2948 | { |
|
|
2949 | int active = ev_active (w); |
|
|
2950 | |
|
|
2951 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
2952 | ev_active (asyncs [active - 1]) = active; |
|
|
2953 | } |
|
|
2954 | |
|
|
2955 | ev_stop (EV_A_ (W)w); |
|
|
2956 | |
|
|
2957 | EV_FREQUENT_CHECK; |
|
|
2958 | } |
|
|
2959 | |
|
|
2960 | void |
|
|
2961 | ev_async_send (EV_P_ ev_async *w) |
|
|
2962 | { |
|
|
2963 | w->sent = 1; |
|
|
2964 | evpipe_write (EV_A_ &gotasync); |
2376 | } |
2965 | } |
2377 | #endif |
2966 | #endif |
2378 | |
2967 | |
2379 | /*****************************************************************************/ |
2968 | /*****************************************************************************/ |
2380 | |
2969 | |