1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 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" |
|
|
50 | # endif |
|
|
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 |
49 | # endif |
62 | # endif |
50 | |
63 | |
51 | # if HAVE_CLOCK_GETTIME |
64 | # if HAVE_CLOCK_GETTIME |
52 | # ifndef EV_USE_MONOTONIC |
65 | # ifndef EV_USE_MONOTONIC |
53 | # define EV_USE_MONOTONIC 1 |
66 | # define EV_USE_MONOTONIC 1 |
… | |
… | |
118 | # else |
131 | # else |
119 | # define EV_USE_INOTIFY 0 |
132 | # define EV_USE_INOTIFY 0 |
120 | # endif |
133 | # endif |
121 | # endif |
134 | # endif |
122 | |
135 | |
|
|
136 | # ifndef EV_USE_EVENTFD |
|
|
137 | # if HAVE_EVENTFD |
|
|
138 | # define EV_USE_EVENTFD 1 |
|
|
139 | # else |
|
|
140 | # define EV_USE_EVENTFD 0 |
|
|
141 | # endif |
|
|
142 | # endif |
|
|
143 | |
123 | #endif |
144 | #endif |
124 | |
145 | |
125 | #include <math.h> |
146 | #include <math.h> |
126 | #include <stdlib.h> |
147 | #include <stdlib.h> |
127 | #include <fcntl.h> |
148 | #include <fcntl.h> |
… | |
… | |
145 | #ifndef _WIN32 |
166 | #ifndef _WIN32 |
146 | # include <sys/time.h> |
167 | # include <sys/time.h> |
147 | # include <sys/wait.h> |
168 | # include <sys/wait.h> |
148 | # include <unistd.h> |
169 | # include <unistd.h> |
149 | #else |
170 | #else |
|
|
171 | # include <io.h> |
150 | # define WIN32_LEAN_AND_MEAN |
172 | # define WIN32_LEAN_AND_MEAN |
151 | # include <windows.h> |
173 | # include <windows.h> |
152 | # ifndef EV_SELECT_IS_WINSOCKET |
174 | # ifndef EV_SELECT_IS_WINSOCKET |
153 | # define EV_SELECT_IS_WINSOCKET 1 |
175 | # define EV_SELECT_IS_WINSOCKET 1 |
154 | # endif |
176 | # endif |
155 | #endif |
177 | #endif |
156 | |
178 | |
157 | /**/ |
179 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
|
|
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 |
158 | |
188 | |
159 | #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 |
160 | # define EV_USE_MONOTONIC 0 |
193 | # define EV_USE_MONOTONIC 0 |
|
|
194 | # endif |
161 | #endif |
195 | #endif |
162 | |
196 | |
163 | #ifndef EV_USE_REALTIME |
197 | #ifndef EV_USE_REALTIME |
164 | # define EV_USE_REALTIME 0 |
198 | # define EV_USE_REALTIME 0 |
165 | #endif |
199 | #endif |
166 | |
200 | |
167 | #ifndef EV_USE_NANOSLEEP |
201 | #ifndef EV_USE_NANOSLEEP |
|
|
202 | # if _POSIX_C_SOURCE >= 199309L |
|
|
203 | # define EV_USE_NANOSLEEP 1 |
|
|
204 | # else |
168 | # define EV_USE_NANOSLEEP 0 |
205 | # define EV_USE_NANOSLEEP 0 |
|
|
206 | # endif |
169 | #endif |
207 | #endif |
170 | |
208 | |
171 | #ifndef EV_USE_SELECT |
209 | #ifndef EV_USE_SELECT |
172 | # define EV_USE_SELECT 1 |
210 | # define EV_USE_SELECT 1 |
173 | #endif |
211 | #endif |
… | |
… | |
179 | # define EV_USE_POLL 1 |
217 | # define EV_USE_POLL 1 |
180 | # endif |
218 | # endif |
181 | #endif |
219 | #endif |
182 | |
220 | |
183 | #ifndef EV_USE_EPOLL |
221 | #ifndef EV_USE_EPOLL |
|
|
222 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
223 | # define EV_USE_EPOLL 1 |
|
|
224 | # else |
184 | # define EV_USE_EPOLL 0 |
225 | # define EV_USE_EPOLL 0 |
|
|
226 | # endif |
185 | #endif |
227 | #endif |
186 | |
228 | |
187 | #ifndef EV_USE_KQUEUE |
229 | #ifndef EV_USE_KQUEUE |
188 | # define EV_USE_KQUEUE 0 |
230 | # define EV_USE_KQUEUE 0 |
189 | #endif |
231 | #endif |
… | |
… | |
191 | #ifndef EV_USE_PORT |
233 | #ifndef EV_USE_PORT |
192 | # define EV_USE_PORT 0 |
234 | # define EV_USE_PORT 0 |
193 | #endif |
235 | #endif |
194 | |
236 | |
195 | #ifndef EV_USE_INOTIFY |
237 | #ifndef EV_USE_INOTIFY |
|
|
238 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
239 | # define EV_USE_INOTIFY 1 |
|
|
240 | # else |
196 | # define EV_USE_INOTIFY 0 |
241 | # define EV_USE_INOTIFY 0 |
|
|
242 | # endif |
197 | #endif |
243 | #endif |
198 | |
244 | |
199 | #ifndef EV_PID_HASHSIZE |
245 | #ifndef EV_PID_HASHSIZE |
200 | # if EV_MINIMAL |
246 | # if EV_MINIMAL |
201 | # define EV_PID_HASHSIZE 1 |
247 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
210 | # else |
256 | # else |
211 | # define EV_INOTIFY_HASHSIZE 16 |
257 | # define EV_INOTIFY_HASHSIZE 16 |
212 | # endif |
258 | # endif |
213 | #endif |
259 | #endif |
214 | |
260 | |
215 | /**/ |
261 | #ifndef EV_USE_EVENTFD |
|
|
262 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
263 | # define EV_USE_EVENTFD 1 |
|
|
264 | # else |
|
|
265 | # define EV_USE_EVENTFD 0 |
|
|
266 | # endif |
|
|
267 | #endif |
|
|
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 | |
|
|
287 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
216 | |
288 | |
217 | #ifndef CLOCK_MONOTONIC |
289 | #ifndef CLOCK_MONOTONIC |
218 | # undef EV_USE_MONOTONIC |
290 | # undef EV_USE_MONOTONIC |
219 | # define EV_USE_MONOTONIC 0 |
291 | # define EV_USE_MONOTONIC 0 |
220 | #endif |
292 | #endif |
… | |
… | |
234 | # include <sys/select.h> |
306 | # include <sys/select.h> |
235 | # endif |
307 | # endif |
236 | #endif |
308 | #endif |
237 | |
309 | |
238 | #if EV_USE_INOTIFY |
310 | #if EV_USE_INOTIFY |
|
|
311 | # include <sys/utsname.h> |
|
|
312 | # include <sys/statfs.h> |
239 | # 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 |
240 | #endif |
319 | #endif |
241 | |
320 | |
242 | #if EV_SELECT_IS_WINSOCKET |
321 | #if EV_SELECT_IS_WINSOCKET |
243 | # include <winsock.h> |
322 | # include <winsock.h> |
244 | #endif |
323 | #endif |
245 | |
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 |
|
|
332 | #endif |
|
|
333 | |
|
|
334 | #if EV_USE_EVENTFD |
|
|
335 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
336 | # include <stdint.h> |
|
|
337 | # ifdef __cplusplus |
|
|
338 | extern "C" { |
|
|
339 | # endif |
|
|
340 | int eventfd (unsigned int initval, int flags); |
|
|
341 | # ifdef __cplusplus |
|
|
342 | } |
|
|
343 | # endif |
|
|
344 | #endif |
|
|
345 | |
246 | /**/ |
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 |
247 | |
353 | |
248 | /* |
354 | /* |
249 | * This is used to avoid floating point rounding problems. |
355 | * This is used to avoid floating point rounding problems. |
250 | * It is added to ev_rt_now when scheduling periodics |
356 | * It is added to ev_rt_now when scheduling periodics |
251 | * to ensure progress, time-wise, even when rounding |
357 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
369 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
264 | # define noinline __attribute__ ((noinline)) |
370 | # define noinline __attribute__ ((noinline)) |
265 | #else |
371 | #else |
266 | # define expect(expr,value) (expr) |
372 | # define expect(expr,value) (expr) |
267 | # define noinline |
373 | # define noinline |
268 | # if __STDC_VERSION__ < 199901L |
374 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
269 | # define inline |
375 | # define inline |
270 | # endif |
376 | # endif |
271 | #endif |
377 | #endif |
272 | |
378 | |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
379 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
288 | |
394 | |
289 | typedef ev_watcher *W; |
395 | typedef ev_watcher *W; |
290 | typedef ev_watcher_list *WL; |
396 | typedef ev_watcher_list *WL; |
291 | typedef ev_watcher_time *WT; |
397 | typedef ev_watcher_time *WT; |
292 | |
398 | |
|
|
399 | #define ev_active(w) ((W)(w))->active |
|
|
400 | #define ev_at(w) ((WT)(w))->at |
|
|
401 | |
293 | #if EV_USE_MONOTONIC |
402 | #if EV_USE_MONOTONIC |
294 | /* 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 */ |
295 | /* giving it a reasonably high chance of working on typical architetcures */ |
404 | /* giving it a reasonably high chance of working on typical architetcures */ |
296 | 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? */ |
297 | #endif |
406 | #endif |
… | |
… | |
309 | { |
418 | { |
310 | syserr_cb = cb; |
419 | syserr_cb = cb; |
311 | } |
420 | } |
312 | |
421 | |
313 | static void noinline |
422 | static void noinline |
314 | syserr (const char *msg) |
423 | ev_syserr (const char *msg) |
315 | { |
424 | { |
316 | if (!msg) |
425 | if (!msg) |
317 | msg = "(libev) system error"; |
426 | msg = "(libev) system error"; |
318 | |
427 | |
319 | if (syserr_cb) |
428 | if (syserr_cb) |
… | |
… | |
323 | perror (msg); |
432 | perror (msg); |
324 | abort (); |
433 | abort (); |
325 | } |
434 | } |
326 | } |
435 | } |
327 | |
436 | |
|
|
437 | static void * |
|
|
438 | ev_realloc_emul (void *ptr, long size) |
|
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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 | */ |
|
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444 | |
|
|
445 | if (size) |
|
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446 | return realloc (ptr, size); |
|
|
447 | |
|
|
448 | free (ptr); |
|
|
449 | return 0; |
|
|
450 | } |
|
|
451 | |
328 | static void *(*alloc)(void *ptr, long size); |
452 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
329 | |
453 | |
330 | void |
454 | void |
331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
455 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
332 | { |
456 | { |
333 | alloc = cb; |
457 | alloc = cb; |
334 | } |
458 | } |
335 | |
459 | |
336 | inline_speed void * |
460 | inline_speed void * |
337 | ev_realloc (void *ptr, long size) |
461 | ev_realloc (void *ptr, long size) |
338 | { |
462 | { |
339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
463 | ptr = alloc (ptr, size); |
340 | |
464 | |
341 | if (!ptr && size) |
465 | if (!ptr && size) |
342 | { |
466 | { |
343 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
467 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
344 | abort (); |
468 | abort (); |
… | |
… | |
355 | typedef struct |
479 | typedef struct |
356 | { |
480 | { |
357 | WL head; |
481 | WL head; |
358 | unsigned char events; |
482 | unsigned char events; |
359 | 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 |
360 | #if EV_SELECT_IS_WINSOCKET |
489 | #if EV_SELECT_IS_WINSOCKET |
361 | SOCKET handle; |
490 | SOCKET handle; |
362 | #endif |
491 | #endif |
363 | } ANFD; |
492 | } ANFD; |
364 | |
493 | |
… | |
… | |
367 | W w; |
496 | W w; |
368 | int events; |
497 | int events; |
369 | } ANPENDING; |
498 | } ANPENDING; |
370 | |
499 | |
371 | #if EV_USE_INOTIFY |
500 | #if EV_USE_INOTIFY |
|
|
501 | /* hash table entry per inotify-id */ |
372 | typedef struct |
502 | typedef struct |
373 | { |
503 | { |
374 | WL head; |
504 | WL head; |
375 | } 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) |
376 | #endif |
524 | #endif |
377 | |
525 | |
378 | #if EV_MULTIPLICITY |
526 | #if EV_MULTIPLICITY |
379 | |
527 | |
380 | struct ev_loop |
528 | struct ev_loop |
… | |
… | |
451 | ts.tv_sec = (time_t)delay; |
599 | ts.tv_sec = (time_t)delay; |
452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
600 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
453 | |
601 | |
454 | nanosleep (&ts, 0); |
602 | nanosleep (&ts, 0); |
455 | #elif defined(_WIN32) |
603 | #elif defined(_WIN32) |
456 | Sleep (delay * 1e3); |
604 | Sleep ((unsigned long)(delay * 1e3)); |
457 | #else |
605 | #else |
458 | struct timeval tv; |
606 | struct timeval tv; |
459 | |
607 | |
460 | tv.tv_sec = (time_t)delay; |
608 | tv.tv_sec = (time_t)delay; |
461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
609 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
462 | |
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 */ |
463 | select (0, 0, 0, 0, &tv); |
614 | select (0, 0, 0, 0, &tv); |
464 | #endif |
615 | #endif |
465 | } |
616 | } |
466 | } |
617 | } |
467 | |
618 | |
468 | /*****************************************************************************/ |
619 | /*****************************************************************************/ |
|
|
620 | |
|
|
621 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
469 | |
622 | |
470 | int inline_size |
623 | int inline_size |
471 | array_nextsize (int elem, int cur, int cnt) |
624 | array_nextsize (int elem, int cur, int cnt) |
472 | { |
625 | { |
473 | int ncur = cur + 1; |
626 | int ncur = cur + 1; |
474 | |
627 | |
475 | do |
628 | do |
476 | ncur <<= 1; |
629 | ncur <<= 1; |
477 | while (cnt > ncur); |
630 | while (cnt > ncur); |
478 | |
631 | |
479 | /* 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 */ |
480 | if (elem * ncur > 4096) |
633 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
481 | { |
634 | { |
482 | ncur *= elem; |
635 | ncur *= elem; |
483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
636 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
484 | ncur = ncur - sizeof (void *) * 4; |
637 | ncur = ncur - sizeof (void *) * 4; |
485 | ncur /= elem; |
638 | ncur /= elem; |
486 | } |
639 | } |
487 | |
640 | |
488 | return ncur; |
641 | return ncur; |
… | |
… | |
492 | array_realloc (int elem, void *base, int *cur, int cnt) |
645 | array_realloc (int elem, void *base, int *cur, int cnt) |
493 | { |
646 | { |
494 | *cur = array_nextsize (elem, *cur, cnt); |
647 | *cur = array_nextsize (elem, *cur, cnt); |
495 | return ev_realloc (base, elem * *cur); |
648 | return ev_realloc (base, elem * *cur); |
496 | } |
649 | } |
|
|
650 | |
|
|
651 | #define array_init_zero(base,count) \ |
|
|
652 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
497 | |
653 | |
498 | #define array_needsize(type,base,cur,cnt,init) \ |
654 | #define array_needsize(type,base,cur,cnt,init) \ |
499 | if (expect_false ((cnt) > (cur))) \ |
655 | if (expect_false ((cnt) > (cur))) \ |
500 | { \ |
656 | { \ |
501 | int ocur_ = (cur); \ |
657 | int ocur_ = (cur); \ |
… | |
… | |
545 | ev_feed_event (EV_A_ events [i], type); |
701 | ev_feed_event (EV_A_ events [i], type); |
546 | } |
702 | } |
547 | |
703 | |
548 | /*****************************************************************************/ |
704 | /*****************************************************************************/ |
549 | |
705 | |
550 | void inline_size |
|
|
551 | anfds_init (ANFD *base, int count) |
|
|
552 | { |
|
|
553 | while (count--) |
|
|
554 | { |
|
|
555 | base->head = 0; |
|
|
556 | base->events = EV_NONE; |
|
|
557 | base->reify = 0; |
|
|
558 | |
|
|
559 | ++base; |
|
|
560 | } |
|
|
561 | } |
|
|
562 | |
|
|
563 | void inline_speed |
706 | void inline_speed |
564 | fd_event (EV_P_ int fd, int revents) |
707 | fd_event (EV_P_ int fd, int revents) |
565 | { |
708 | { |
566 | ANFD *anfd = anfds + fd; |
709 | ANFD *anfd = anfds + fd; |
567 | ev_io *w; |
710 | ev_io *w; |
… | |
… | |
599 | events |= (unsigned char)w->events; |
742 | events |= (unsigned char)w->events; |
600 | |
743 | |
601 | #if EV_SELECT_IS_WINSOCKET |
744 | #if EV_SELECT_IS_WINSOCKET |
602 | if (events) |
745 | if (events) |
603 | { |
746 | { |
604 | unsigned long argp; |
747 | unsigned long arg; |
605 | #ifdef EV_FD_TO_WIN32_HANDLE |
748 | #ifdef EV_FD_TO_WIN32_HANDLE |
606 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
749 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
607 | #else |
750 | #else |
608 | anfd->handle = _get_osfhandle (fd); |
751 | anfd->handle = _get_osfhandle (fd); |
609 | #endif |
752 | #endif |
610 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
753 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
611 | } |
754 | } |
612 | #endif |
755 | #endif |
613 | |
756 | |
614 | { |
757 | { |
615 | unsigned char o_events = anfd->events; |
758 | unsigned char o_events = anfd->events; |
… | |
… | |
668 | { |
811 | { |
669 | int fd; |
812 | int fd; |
670 | |
813 | |
671 | for (fd = 0; fd < anfdmax; ++fd) |
814 | for (fd = 0; fd < anfdmax; ++fd) |
672 | if (anfds [fd].events) |
815 | if (anfds [fd].events) |
673 | if (!fd_valid (fd) == -1 && errno == EBADF) |
816 | if (!fd_valid (fd) && errno == EBADF) |
674 | fd_kill (EV_A_ fd); |
817 | fd_kill (EV_A_ fd); |
675 | } |
818 | } |
676 | |
819 | |
677 | /* 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 */ |
678 | static void noinline |
821 | static void noinline |
… | |
… | |
696 | |
839 | |
697 | for (fd = 0; fd < anfdmax; ++fd) |
840 | for (fd = 0; fd < anfdmax; ++fd) |
698 | if (anfds [fd].events) |
841 | if (anfds [fd].events) |
699 | { |
842 | { |
700 | anfds [fd].events = 0; |
843 | anfds [fd].events = 0; |
|
|
844 | anfds [fd].emask = 0; |
701 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
845 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
702 | } |
846 | } |
703 | } |
847 | } |
704 | |
848 | |
705 | /*****************************************************************************/ |
849 | /*****************************************************************************/ |
706 | |
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 */ |
707 | void inline_speed |
871 | void inline_speed |
708 | upheap (WT *heap, int k) |
872 | downheap (ANHE *heap, int N, int k) |
709 | { |
873 | { |
710 | WT w = heap [k]; |
874 | ANHE he = heap [k]; |
|
|
875 | ANHE *E = heap + N + HEAP0; |
711 | |
876 | |
712 | while (k) |
877 | for (;;) |
713 | { |
878 | { |
714 | int p = (k - 1) >> 1; |
879 | ev_tstamp minat; |
|
|
880 | ANHE *minpos; |
|
|
881 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
715 | |
882 | |
716 | 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 |
717 | break; |
899 | break; |
718 | |
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 | |
719 | heap [k] = heap [p]; |
963 | heap [k] = heap [p]; |
720 | ((W)heap [k])->active = k + 1; |
964 | ev_active (ANHE_w (heap [k])) = k; |
721 | k = p; |
965 | k = p; |
722 | } |
966 | } |
723 | |
967 | |
724 | heap [k] = w; |
968 | heap [k] = he; |
725 | ((W)heap [k])->active = k + 1; |
969 | ev_active (ANHE_w (he)) = k; |
726 | } |
|
|
727 | |
|
|
728 | void inline_speed |
|
|
729 | downheap (WT *heap, int N, int k) |
|
|
730 | { |
|
|
731 | WT w = heap [k]; |
|
|
732 | |
|
|
733 | for (;;) |
|
|
734 | { |
|
|
735 | int c = (k << 1) + 1; |
|
|
736 | |
|
|
737 | if (c >= N) |
|
|
738 | break; |
|
|
739 | |
|
|
740 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
741 | ? 1 : 0; |
|
|
742 | |
|
|
743 | if (w->at <= heap [c]->at) |
|
|
744 | break; |
|
|
745 | |
|
|
746 | heap [k] = heap [c]; |
|
|
747 | ((W)heap [k])->active = k + 1; |
|
|
748 | |
|
|
749 | k = c; |
|
|
750 | } |
|
|
751 | |
|
|
752 | heap [k] = w; |
|
|
753 | ((W)heap [k])->active = k + 1; |
|
|
754 | } |
970 | } |
755 | |
971 | |
756 | void inline_size |
972 | void inline_size |
757 | adjustheap (WT *heap, int N, int k) |
973 | adjustheap (ANHE *heap, int N, int k) |
758 | { |
974 | { |
|
|
975 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
759 | upheap (heap, k); |
976 | upheap (heap, k); |
|
|
977 | else |
760 | 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); |
761 | } |
991 | } |
762 | |
992 | |
763 | /*****************************************************************************/ |
993 | /*****************************************************************************/ |
764 | |
994 | |
765 | typedef struct |
995 | typedef struct |
… | |
… | |
771 | static ANSIG *signals; |
1001 | static ANSIG *signals; |
772 | static int signalmax; |
1002 | static int signalmax; |
773 | |
1003 | |
774 | static EV_ATOMIC_T gotsig; |
1004 | static EV_ATOMIC_T gotsig; |
775 | |
1005 | |
776 | void inline_size |
|
|
777 | signals_init (ANSIG *base, int count) |
|
|
778 | { |
|
|
779 | while (count--) |
|
|
780 | { |
|
|
781 | base->head = 0; |
|
|
782 | base->gotsig = 0; |
|
|
783 | |
|
|
784 | ++base; |
|
|
785 | } |
|
|
786 | } |
|
|
787 | |
|
|
788 | /*****************************************************************************/ |
1006 | /*****************************************************************************/ |
789 | |
1007 | |
790 | void inline_speed |
1008 | void inline_speed |
791 | fd_intern (int fd) |
1009 | fd_intern (int fd) |
792 | { |
1010 | { |
793 | #ifdef _WIN32 |
1011 | #ifdef _WIN32 |
794 | int arg = 1; |
1012 | unsigned long arg = 1; |
795 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1013 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
796 | #else |
1014 | #else |
797 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1015 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
798 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1016 | fcntl (fd, F_SETFL, O_NONBLOCK); |
799 | #endif |
1017 | #endif |
… | |
… | |
802 | static void noinline |
1020 | static void noinline |
803 | evpipe_init (EV_P) |
1021 | evpipe_init (EV_P) |
804 | { |
1022 | { |
805 | if (!ev_is_active (&pipeev)) |
1023 | if (!ev_is_active (&pipeev)) |
806 | { |
1024 | { |
|
|
1025 | #if EV_USE_EVENTFD |
|
|
1026 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
1027 | { |
|
|
1028 | evpipe [0] = -1; |
|
|
1029 | fd_intern (evfd); |
|
|
1030 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
1031 | } |
|
|
1032 | else |
|
|
1033 | #endif |
|
|
1034 | { |
807 | while (pipe (evpipe)) |
1035 | while (pipe (evpipe)) |
808 | syserr ("(libev) error creating signal/async pipe"); |
1036 | ev_syserr ("(libev) error creating signal/async pipe"); |
809 | |
1037 | |
810 | fd_intern (evpipe [0]); |
1038 | fd_intern (evpipe [0]); |
811 | fd_intern (evpipe [1]); |
1039 | fd_intern (evpipe [1]); |
812 | |
|
|
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1040 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
1041 | } |
|
|
1042 | |
814 | ev_io_start (EV_A_ &pipeev); |
1043 | ev_io_start (EV_A_ &pipeev); |
815 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1044 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
816 | } |
1045 | } |
817 | } |
1046 | } |
818 | |
1047 | |
819 | void inline_size |
1048 | void inline_size |
820 | evpipe_write (EV_P_ int sig, int async) |
1049 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
821 | { |
1050 | { |
822 | if (!(gotasync || gotsig)) |
1051 | if (!*flag) |
823 | { |
1052 | { |
824 | int old_errno = errno; /* save errno becaue write might clobber it */ |
1053 | int old_errno = errno; /* save errno because write might clobber it */ |
825 | |
1054 | |
826 | if (sig) gotsig = 1; |
1055 | *flag = 1; |
827 | if (async) gotasync = 1; |
|
|
828 | |
1056 | |
|
|
1057 | #if EV_USE_EVENTFD |
|
|
1058 | if (evfd >= 0) |
|
|
1059 | { |
|
|
1060 | uint64_t counter = 1; |
|
|
1061 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1062 | } |
|
|
1063 | else |
|
|
1064 | #endif |
829 | write (evpipe [1], &old_errno, 1); |
1065 | write (evpipe [1], &old_errno, 1); |
830 | |
1066 | |
831 | errno = old_errno; |
1067 | errno = old_errno; |
832 | } |
1068 | } |
833 | } |
1069 | } |
834 | |
1070 | |
835 | static void |
1071 | static void |
836 | pipecb (EV_P_ ev_io *iow, int revents) |
1072 | pipecb (EV_P_ ev_io *iow, int revents) |
837 | { |
1073 | { |
|
|
1074 | #if EV_USE_EVENTFD |
|
|
1075 | if (evfd >= 0) |
838 | { |
1076 | { |
839 | int dummy; |
1077 | uint64_t counter; |
|
|
1078 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1079 | } |
|
|
1080 | else |
|
|
1081 | #endif |
|
|
1082 | { |
|
|
1083 | char dummy; |
840 | read (evpipe [0], &dummy, 1); |
1084 | read (evpipe [0], &dummy, 1); |
841 | } |
1085 | } |
842 | |
1086 | |
843 | if (gotsig) |
1087 | if (gotsig && ev_is_default_loop (EV_A)) |
844 | { |
1088 | { |
845 | int signum; |
1089 | int signum; |
846 | gotsig = 0; |
1090 | gotsig = 0; |
847 | |
1091 | |
848 | for (signum = signalmax; signum--; ) |
1092 | for (signum = signalmax; signum--; ) |
… | |
… | |
867 | } |
1111 | } |
868 | |
1112 | |
869 | /*****************************************************************************/ |
1113 | /*****************************************************************************/ |
870 | |
1114 | |
871 | static void |
1115 | static void |
872 | sighandler (int signum) |
1116 | ev_sighandler (int signum) |
873 | { |
1117 | { |
874 | #if EV_MULTIPLICITY |
1118 | #if EV_MULTIPLICITY |
875 | struct ev_loop *loop = &default_loop_struct; |
1119 | struct ev_loop *loop = &default_loop_struct; |
876 | #endif |
1120 | #endif |
877 | |
1121 | |
878 | #if _WIN32 |
1122 | #if _WIN32 |
879 | signal (signum, sighandler); |
1123 | signal (signum, ev_sighandler); |
880 | #endif |
1124 | #endif |
881 | |
1125 | |
882 | signals [signum - 1].gotsig = 1; |
1126 | signals [signum - 1].gotsig = 1; |
883 | evpipe_write (EV_A_ 1, 0); |
1127 | evpipe_write (EV_A_ &gotsig); |
884 | } |
1128 | } |
885 | |
1129 | |
886 | void noinline |
1130 | void noinline |
887 | ev_feed_signal_event (EV_P_ int signum) |
1131 | ev_feed_signal_event (EV_P_ int signum) |
888 | { |
1132 | { |
889 | WL w; |
1133 | WL w; |
890 | |
1134 | |
891 | #if EV_MULTIPLICITY |
1135 | #if EV_MULTIPLICITY |
892 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1136 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
893 | #endif |
1137 | #endif |
894 | |
1138 | |
895 | --signum; |
1139 | --signum; |
896 | |
1140 | |
897 | if (signum < 0 || signum >= signalmax) |
1141 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
914 | #ifndef WIFCONTINUED |
1158 | #ifndef WIFCONTINUED |
915 | # define WIFCONTINUED(status) 0 |
1159 | # define WIFCONTINUED(status) 0 |
916 | #endif |
1160 | #endif |
917 | |
1161 | |
918 | void inline_speed |
1162 | void inline_speed |
919 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1163 | child_reap (EV_P_ int chain, int pid, int status) |
920 | { |
1164 | { |
921 | ev_child *w; |
1165 | ev_child *w; |
922 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1166 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
923 | |
1167 | |
924 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1168 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
925 | { |
1169 | { |
926 | if ((w->pid == pid || !w->pid) |
1170 | if ((w->pid == pid || !w->pid) |
927 | && (!traced || (w->flags & 1))) |
1171 | && (!traced || (w->flags & 1))) |
928 | { |
1172 | { |
929 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1173 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
930 | w->rpid = pid; |
1174 | w->rpid = pid; |
931 | w->rstatus = status; |
1175 | w->rstatus = status; |
932 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1176 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
933 | } |
1177 | } |
934 | } |
1178 | } |
… | |
… | |
948 | if (!WCONTINUED |
1192 | if (!WCONTINUED |
949 | || errno != EINVAL |
1193 | || errno != EINVAL |
950 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1194 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
951 | return; |
1195 | return; |
952 | |
1196 | |
953 | /* make sure we are called again until all childs have been reaped */ |
1197 | /* make sure we are called again until all children have been reaped */ |
954 | /* we need to do it this way so that the callback gets called before we continue */ |
1198 | /* we need to do it this way so that the callback gets called before we continue */ |
955 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1199 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
956 | |
1200 | |
957 | child_reap (EV_A_ sw, pid, pid, status); |
1201 | child_reap (EV_A_ pid, pid, status); |
958 | if (EV_PID_HASHSIZE > 1) |
1202 | if (EV_PID_HASHSIZE > 1) |
959 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1203 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
960 | } |
1204 | } |
961 | |
1205 | |
962 | #endif |
1206 | #endif |
963 | |
1207 | |
964 | /*****************************************************************************/ |
1208 | /*****************************************************************************/ |
… | |
… | |
1026 | /* kqueue is borked on everything but netbsd apparently */ |
1270 | /* kqueue is borked on everything but netbsd apparently */ |
1027 | /* 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 */ |
1028 | flags &= ~EVBACKEND_KQUEUE; |
1272 | flags &= ~EVBACKEND_KQUEUE; |
1029 | #endif |
1273 | #endif |
1030 | #ifdef __APPLE__ |
1274 | #ifdef __APPLE__ |
1031 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1275 | /* only select works correctly on that "unix-certified" platform */ |
1032 | flags &= ~EVBACKEND_POLL; |
1276 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1277 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1033 | #endif |
1278 | #endif |
1034 | |
1279 | |
1035 | return flags; |
1280 | return flags; |
1036 | } |
1281 | } |
1037 | |
1282 | |
… | |
… | |
1107 | if (!(flags & EVFLAG_NOENV) |
1352 | if (!(flags & EVFLAG_NOENV) |
1108 | && !enable_secure () |
1353 | && !enable_secure () |
1109 | && getenv ("LIBEV_FLAGS")) |
1354 | && getenv ("LIBEV_FLAGS")) |
1110 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1355 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1111 | |
1356 | |
1112 | if (!(flags & 0x0000ffffUL)) |
1357 | if (!(flags & 0x0000ffffU)) |
1113 | flags |= ev_recommended_backends (); |
1358 | flags |= ev_recommended_backends (); |
1114 | |
1359 | |
1115 | #if EV_USE_PORT |
1360 | #if EV_USE_PORT |
1116 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1361 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1117 | #endif |
1362 | #endif |
… | |
… | |
1141 | if (ev_is_active (&pipeev)) |
1386 | if (ev_is_active (&pipeev)) |
1142 | { |
1387 | { |
1143 | ev_ref (EV_A); /* signal watcher */ |
1388 | ev_ref (EV_A); /* signal watcher */ |
1144 | ev_io_stop (EV_A_ &pipeev); |
1389 | ev_io_stop (EV_A_ &pipeev); |
1145 | |
1390 | |
1146 | close (evpipe [0]); evpipe [0] = 0; |
1391 | #if EV_USE_EVENTFD |
1147 | close (evpipe [1]); evpipe [1] = 0; |
1392 | if (evfd >= 0) |
|
|
1393 | close (evfd); |
|
|
1394 | #endif |
|
|
1395 | |
|
|
1396 | if (evpipe [0] >= 0) |
|
|
1397 | { |
|
|
1398 | close (evpipe [0]); |
|
|
1399 | close (evpipe [1]); |
|
|
1400 | } |
1148 | } |
1401 | } |
1149 | |
1402 | |
1150 | #if EV_USE_INOTIFY |
1403 | #if EV_USE_INOTIFY |
1151 | if (fs_fd >= 0) |
1404 | if (fs_fd >= 0) |
1152 | close (fs_fd); |
1405 | close (fs_fd); |
… | |
… | |
1197 | #endif |
1450 | #endif |
1198 | |
1451 | |
1199 | backend = 0; |
1452 | backend = 0; |
1200 | } |
1453 | } |
1201 | |
1454 | |
|
|
1455 | #if EV_USE_INOTIFY |
1202 | void inline_size infy_fork (EV_P); |
1456 | void inline_size infy_fork (EV_P); |
|
|
1457 | #endif |
1203 | |
1458 | |
1204 | void inline_size |
1459 | void inline_size |
1205 | loop_fork (EV_P) |
1460 | loop_fork (EV_P) |
1206 | { |
1461 | { |
1207 | #if EV_USE_PORT |
1462 | #if EV_USE_PORT |
… | |
… | |
1218 | #endif |
1473 | #endif |
1219 | |
1474 | |
1220 | if (ev_is_active (&pipeev)) |
1475 | if (ev_is_active (&pipeev)) |
1221 | { |
1476 | { |
1222 | /* this "locks" the handlers against writing to the pipe */ |
1477 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1478 | /* while we modify the fd vars */ |
|
|
1479 | gotsig = 1; |
|
|
1480 | #if EV_ASYNC_ENABLE |
1223 | gotsig = gotasync = 1; |
1481 | gotasync = 1; |
|
|
1482 | #endif |
1224 | |
1483 | |
1225 | ev_ref (EV_A); |
1484 | ev_ref (EV_A); |
1226 | ev_io_stop (EV_A_ &pipeev); |
1485 | ev_io_stop (EV_A_ &pipeev); |
|
|
1486 | |
|
|
1487 | #if EV_USE_EVENTFD |
|
|
1488 | if (evfd >= 0) |
|
|
1489 | close (evfd); |
|
|
1490 | #endif |
|
|
1491 | |
|
|
1492 | if (evpipe [0] >= 0) |
|
|
1493 | { |
1227 | close (evpipe [0]); |
1494 | close (evpipe [0]); |
1228 | close (evpipe [1]); |
1495 | close (evpipe [1]); |
|
|
1496 | } |
1229 | |
1497 | |
1230 | evpipe_init (EV_A); |
1498 | evpipe_init (EV_A); |
1231 | /* now iterate over everything, in case we missed something */ |
1499 | /* now iterate over everything, in case we missed something */ |
1232 | pipecb (EV_A_ &pipeev, EV_READ); |
1500 | pipecb (EV_A_ &pipeev, EV_READ); |
1233 | } |
1501 | } |
1234 | |
1502 | |
1235 | postfork = 0; |
1503 | postfork = 0; |
1236 | } |
1504 | } |
1237 | |
1505 | |
1238 | #if EV_MULTIPLICITY |
1506 | #if EV_MULTIPLICITY |
|
|
1507 | |
1239 | struct ev_loop * |
1508 | struct ev_loop * |
1240 | ev_loop_new (unsigned int flags) |
1509 | ev_loop_new (unsigned int flags) |
1241 | { |
1510 | { |
1242 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1511 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1243 | |
1512 | |
… | |
… | |
1262 | ev_loop_fork (EV_P) |
1531 | ev_loop_fork (EV_P) |
1263 | { |
1532 | { |
1264 | postfork = 1; /* must be in line with ev_default_fork */ |
1533 | postfork = 1; /* must be in line with ev_default_fork */ |
1265 | } |
1534 | } |
1266 | |
1535 | |
|
|
1536 | #if EV_VERIFY |
|
|
1537 | static void noinline |
|
|
1538 | verify_watcher (EV_P_ W w) |
|
|
1539 | { |
|
|
1540 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1541 | |
|
|
1542 | if (w->pending) |
|
|
1543 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1544 | } |
|
|
1545 | |
|
|
1546 | static void noinline |
|
|
1547 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1548 | { |
|
|
1549 | int i; |
|
|
1550 | |
|
|
1551 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1552 | { |
|
|
1553 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1554 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1555 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1556 | |
|
|
1557 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1558 | } |
|
|
1559 | } |
|
|
1560 | |
|
|
1561 | static void noinline |
|
|
1562 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1563 | { |
|
|
1564 | while (cnt--) |
|
|
1565 | { |
|
|
1566 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1567 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1568 | } |
|
|
1569 | } |
|
|
1570 | #endif |
|
|
1571 | |
|
|
1572 | void |
|
|
1573 | ev_loop_verify (EV_P) |
|
|
1574 | { |
|
|
1575 | #if EV_VERIFY |
|
|
1576 | int i; |
|
|
1577 | WL w; |
|
|
1578 | |
|
|
1579 | assert (activecnt >= -1); |
|
|
1580 | |
|
|
1581 | assert (fdchangemax >= fdchangecnt); |
|
|
1582 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1583 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1584 | |
|
|
1585 | assert (anfdmax >= 0); |
|
|
1586 | for (i = 0; i < anfdmax; ++i) |
|
|
1587 | for (w = anfds [i].head; w; w = w->next) |
|
|
1588 | { |
|
|
1589 | verify_watcher (EV_A_ (W)w); |
|
|
1590 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1591 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1592 | } |
|
|
1593 | |
|
|
1594 | assert (timermax >= timercnt); |
|
|
1595 | verify_heap (EV_A_ timers, timercnt); |
|
|
1596 | |
|
|
1597 | #if EV_PERIODIC_ENABLE |
|
|
1598 | assert (periodicmax >= periodiccnt); |
|
|
1599 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1600 | #endif |
|
|
1601 | |
|
|
1602 | for (i = NUMPRI; i--; ) |
|
|
1603 | { |
|
|
1604 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1605 | #if EV_IDLE_ENABLE |
|
|
1606 | assert (idleall >= 0); |
|
|
1607 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1608 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1609 | #endif |
|
|
1610 | } |
|
|
1611 | |
|
|
1612 | #if EV_FORK_ENABLE |
|
|
1613 | assert (forkmax >= forkcnt); |
|
|
1614 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1615 | #endif |
|
|
1616 | |
|
|
1617 | #if EV_ASYNC_ENABLE |
|
|
1618 | assert (asyncmax >= asynccnt); |
|
|
1619 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1620 | #endif |
|
|
1621 | |
|
|
1622 | assert (preparemax >= preparecnt); |
|
|
1623 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1624 | |
|
|
1625 | assert (checkmax >= checkcnt); |
|
|
1626 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1627 | |
|
|
1628 | # if 0 |
|
|
1629 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1630 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1267 | #endif |
1631 | # endif |
|
|
1632 | #endif |
|
|
1633 | } |
|
|
1634 | |
|
|
1635 | #endif /* multiplicity */ |
1268 | |
1636 | |
1269 | #if EV_MULTIPLICITY |
1637 | #if EV_MULTIPLICITY |
1270 | struct ev_loop * |
1638 | struct ev_loop * |
1271 | ev_default_loop_init (unsigned int flags) |
1639 | ev_default_loop_init (unsigned int flags) |
1272 | #else |
1640 | #else |
… | |
… | |
1305 | { |
1673 | { |
1306 | #if EV_MULTIPLICITY |
1674 | #if EV_MULTIPLICITY |
1307 | struct ev_loop *loop = ev_default_loop_ptr; |
1675 | struct ev_loop *loop = ev_default_loop_ptr; |
1308 | #endif |
1676 | #endif |
1309 | |
1677 | |
|
|
1678 | ev_default_loop_ptr = 0; |
|
|
1679 | |
1310 | #ifndef _WIN32 |
1680 | #ifndef _WIN32 |
1311 | ev_ref (EV_A); /* child watcher */ |
1681 | ev_ref (EV_A); /* child watcher */ |
1312 | ev_signal_stop (EV_A_ &childev); |
1682 | ev_signal_stop (EV_A_ &childev); |
1313 | #endif |
1683 | #endif |
1314 | |
1684 | |
… | |
… | |
1320 | { |
1690 | { |
1321 | #if EV_MULTIPLICITY |
1691 | #if EV_MULTIPLICITY |
1322 | struct ev_loop *loop = ev_default_loop_ptr; |
1692 | struct ev_loop *loop = ev_default_loop_ptr; |
1323 | #endif |
1693 | #endif |
1324 | |
1694 | |
1325 | if (backend) |
|
|
1326 | postfork = 1; /* must be in line with ev_loop_fork */ |
1695 | postfork = 1; /* must be in line with ev_loop_fork */ |
1327 | } |
1696 | } |
1328 | |
1697 | |
1329 | /*****************************************************************************/ |
1698 | /*****************************************************************************/ |
1330 | |
1699 | |
1331 | void |
1700 | void |
… | |
… | |
1344 | { |
1713 | { |
1345 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1714 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1346 | |
1715 | |
1347 | if (expect_true (p->w)) |
1716 | if (expect_true (p->w)) |
1348 | { |
1717 | { |
1349 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1718 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
1350 | |
1719 | |
1351 | p->w->pending = 0; |
1720 | p->w->pending = 0; |
1352 | EV_CB_INVOKE (p->w, p->events); |
1721 | EV_CB_INVOKE (p->w, p->events); |
|
|
1722 | EV_FREQUENT_CHECK; |
1353 | } |
1723 | } |
1354 | } |
1724 | } |
1355 | } |
1725 | } |
1356 | |
|
|
1357 | void inline_size |
|
|
1358 | timers_reify (EV_P) |
|
|
1359 | { |
|
|
1360 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1361 | { |
|
|
1362 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1363 | |
|
|
1364 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1365 | |
|
|
1366 | /* first reschedule or stop timer */ |
|
|
1367 | if (w->repeat) |
|
|
1368 | { |
|
|
1369 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1370 | |
|
|
1371 | ((WT)w)->at += w->repeat; |
|
|
1372 | if (((WT)w)->at < mn_now) |
|
|
1373 | ((WT)w)->at = mn_now; |
|
|
1374 | |
|
|
1375 | downheap (timers, timercnt, 0); |
|
|
1376 | } |
|
|
1377 | else |
|
|
1378 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1379 | |
|
|
1380 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1381 | } |
|
|
1382 | } |
|
|
1383 | |
|
|
1384 | #if EV_PERIODIC_ENABLE |
|
|
1385 | void inline_size |
|
|
1386 | periodics_reify (EV_P) |
|
|
1387 | { |
|
|
1388 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1389 | { |
|
|
1390 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1391 | |
|
|
1392 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1393 | |
|
|
1394 | /* first reschedule or stop timer */ |
|
|
1395 | if (w->reschedule_cb) |
|
|
1396 | { |
|
|
1397 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1398 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1399 | downheap (periodics, periodiccnt, 0); |
|
|
1400 | } |
|
|
1401 | else if (w->interval) |
|
|
1402 | { |
|
|
1403 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1404 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1405 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1406 | downheap (periodics, periodiccnt, 0); |
|
|
1407 | } |
|
|
1408 | else |
|
|
1409 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1410 | |
|
|
1411 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1412 | } |
|
|
1413 | } |
|
|
1414 | |
|
|
1415 | static void noinline |
|
|
1416 | periodics_reschedule (EV_P) |
|
|
1417 | { |
|
|
1418 | int i; |
|
|
1419 | |
|
|
1420 | /* adjust periodics after time jump */ |
|
|
1421 | for (i = 0; i < periodiccnt; ++i) |
|
|
1422 | { |
|
|
1423 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1424 | |
|
|
1425 | if (w->reschedule_cb) |
|
|
1426 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1427 | else if (w->interval) |
|
|
1428 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1429 | } |
|
|
1430 | |
|
|
1431 | /* now rebuild the heap */ |
|
|
1432 | for (i = periodiccnt >> 1; i--; ) |
|
|
1433 | downheap (periodics, periodiccnt, i); |
|
|
1434 | } |
|
|
1435 | #endif |
|
|
1436 | |
1726 | |
1437 | #if EV_IDLE_ENABLE |
1727 | #if EV_IDLE_ENABLE |
1438 | void inline_size |
1728 | void inline_size |
1439 | idle_reify (EV_P) |
1729 | idle_reify (EV_P) |
1440 | { |
1730 | { |
… | |
… | |
1452 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1742 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1453 | break; |
1743 | break; |
1454 | } |
1744 | } |
1455 | } |
1745 | } |
1456 | } |
1746 | } |
|
|
1747 | } |
|
|
1748 | #endif |
|
|
1749 | |
|
|
1750 | void inline_size |
|
|
1751 | timers_reify (EV_P) |
|
|
1752 | { |
|
|
1753 | EV_FREQUENT_CHECK; |
|
|
1754 | |
|
|
1755 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1756 | { |
|
|
1757 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1758 | |
|
|
1759 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1760 | |
|
|
1761 | /* first reschedule or stop timer */ |
|
|
1762 | if (w->repeat) |
|
|
1763 | { |
|
|
1764 | ev_at (w) += w->repeat; |
|
|
1765 | if (ev_at (w) < mn_now) |
|
|
1766 | ev_at (w) = mn_now; |
|
|
1767 | |
|
|
1768 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1769 | |
|
|
1770 | ANHE_at_cache (timers [HEAP0]); |
|
|
1771 | downheap (timers, timercnt, HEAP0); |
|
|
1772 | } |
|
|
1773 | else |
|
|
1774 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1775 | |
|
|
1776 | EV_FREQUENT_CHECK; |
|
|
1777 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1778 | } |
|
|
1779 | } |
|
|
1780 | |
|
|
1781 | #if EV_PERIODIC_ENABLE |
|
|
1782 | void inline_size |
|
|
1783 | periodics_reify (EV_P) |
|
|
1784 | { |
|
|
1785 | EV_FREQUENT_CHECK; |
|
|
1786 | |
|
|
1787 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1788 | { |
|
|
1789 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1790 | |
|
|
1791 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1792 | |
|
|
1793 | /* first reschedule or stop timer */ |
|
|
1794 | if (w->reschedule_cb) |
|
|
1795 | { |
|
|
1796 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1797 | |
|
|
1798 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1799 | |
|
|
1800 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1801 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1802 | } |
|
|
1803 | else if (w->interval) |
|
|
1804 | { |
|
|
1805 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1806 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1807 | /* this might happen because of floating point inexactness */ |
|
|
1808 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1809 | { |
|
|
1810 | ev_at (w) += w->interval; |
|
|
1811 | |
|
|
1812 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1813 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1814 | /* has effectively asked to get triggered more often than possible */ |
|
|
1815 | if (ev_at (w) < ev_rt_now) |
|
|
1816 | ev_at (w) = ev_rt_now; |
|
|
1817 | } |
|
|
1818 | |
|
|
1819 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1820 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1821 | } |
|
|
1822 | else |
|
|
1823 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1824 | |
|
|
1825 | EV_FREQUENT_CHECK; |
|
|
1826 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1827 | } |
|
|
1828 | } |
|
|
1829 | |
|
|
1830 | static void noinline |
|
|
1831 | periodics_reschedule (EV_P) |
|
|
1832 | { |
|
|
1833 | int i; |
|
|
1834 | |
|
|
1835 | /* adjust periodics after time jump */ |
|
|
1836 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1837 | { |
|
|
1838 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1839 | |
|
|
1840 | if (w->reschedule_cb) |
|
|
1841 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1842 | else if (w->interval) |
|
|
1843 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1844 | |
|
|
1845 | ANHE_at_cache (periodics [i]); |
|
|
1846 | } |
|
|
1847 | |
|
|
1848 | reheap (periodics, periodiccnt); |
1457 | } |
1849 | } |
1458 | #endif |
1850 | #endif |
1459 | |
1851 | |
1460 | void inline_speed |
1852 | void inline_speed |
1461 | time_update (EV_P_ ev_tstamp max_block) |
1853 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1490 | */ |
1882 | */ |
1491 | for (i = 4; --i; ) |
1883 | for (i = 4; --i; ) |
1492 | { |
1884 | { |
1493 | rtmn_diff = ev_rt_now - mn_now; |
1885 | rtmn_diff = ev_rt_now - mn_now; |
1494 | |
1886 | |
1495 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1887 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1496 | return; /* all is well */ |
1888 | return; /* all is well */ |
1497 | |
1889 | |
1498 | ev_rt_now = ev_time (); |
1890 | ev_rt_now = ev_time (); |
1499 | mn_now = get_clock (); |
1891 | mn_now = get_clock (); |
1500 | now_floor = mn_now; |
1892 | now_floor = mn_now; |
… | |
… | |
1516 | #if EV_PERIODIC_ENABLE |
1908 | #if EV_PERIODIC_ENABLE |
1517 | periodics_reschedule (EV_A); |
1909 | periodics_reschedule (EV_A); |
1518 | #endif |
1910 | #endif |
1519 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1911 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1520 | for (i = 0; i < timercnt; ++i) |
1912 | for (i = 0; i < timercnt; ++i) |
|
|
1913 | { |
|
|
1914 | ANHE *he = timers + i + HEAP0; |
1521 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1915 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1916 | ANHE_at_cache (*he); |
|
|
1917 | } |
1522 | } |
1918 | } |
1523 | |
1919 | |
1524 | mn_now = ev_rt_now; |
1920 | mn_now = ev_rt_now; |
1525 | } |
1921 | } |
1526 | } |
1922 | } |
… | |
… | |
1535 | ev_unref (EV_P) |
1931 | ev_unref (EV_P) |
1536 | { |
1932 | { |
1537 | --activecnt; |
1933 | --activecnt; |
1538 | } |
1934 | } |
1539 | |
1935 | |
|
|
1936 | void |
|
|
1937 | ev_now_update (EV_P) |
|
|
1938 | { |
|
|
1939 | time_update (EV_A_ 1e100); |
|
|
1940 | } |
|
|
1941 | |
1540 | static int loop_done; |
1942 | static int loop_done; |
1541 | |
1943 | |
1542 | void |
1944 | void |
1543 | ev_loop (EV_P_ int flags) |
1945 | ev_loop (EV_P_ int flags) |
1544 | { |
1946 | { |
1545 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1947 | loop_done = EVUNLOOP_CANCEL; |
1546 | ? EVUNLOOP_ONE |
|
|
1547 | : EVUNLOOP_CANCEL; |
|
|
1548 | |
1948 | |
1549 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1949 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1550 | |
1950 | |
1551 | do |
1951 | do |
1552 | { |
1952 | { |
|
|
1953 | #if EV_VERIFY >= 2 |
|
|
1954 | ev_loop_verify (EV_A); |
|
|
1955 | #endif |
|
|
1956 | |
1553 | #ifndef _WIN32 |
1957 | #ifndef _WIN32 |
1554 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1958 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1555 | if (expect_false (getpid () != curpid)) |
1959 | if (expect_false (getpid () != curpid)) |
1556 | { |
1960 | { |
1557 | curpid = getpid (); |
1961 | curpid = getpid (); |
… | |
… | |
1598 | |
2002 | |
1599 | waittime = MAX_BLOCKTIME; |
2003 | waittime = MAX_BLOCKTIME; |
1600 | |
2004 | |
1601 | if (timercnt) |
2005 | if (timercnt) |
1602 | { |
2006 | { |
1603 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
2007 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1604 | if (waittime > to) waittime = to; |
2008 | if (waittime > to) waittime = to; |
1605 | } |
2009 | } |
1606 | |
2010 | |
1607 | #if EV_PERIODIC_ENABLE |
2011 | #if EV_PERIODIC_ENABLE |
1608 | if (periodiccnt) |
2012 | if (periodiccnt) |
1609 | { |
2013 | { |
1610 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
2014 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1611 | if (waittime > to) waittime = to; |
2015 | if (waittime > to) waittime = to; |
1612 | } |
2016 | } |
1613 | #endif |
2017 | #endif |
1614 | |
2018 | |
1615 | if (expect_false (waittime < timeout_blocktime)) |
2019 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1648 | /* queue check watchers, to be executed first */ |
2052 | /* queue check watchers, to be executed first */ |
1649 | if (expect_false (checkcnt)) |
2053 | if (expect_false (checkcnt)) |
1650 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2054 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1651 | |
2055 | |
1652 | call_pending (EV_A); |
2056 | call_pending (EV_A); |
1653 | |
|
|
1654 | } |
2057 | } |
1655 | while (expect_true (activecnt && !loop_done)); |
2058 | while (expect_true ( |
|
|
2059 | activecnt |
|
|
2060 | && !loop_done |
|
|
2061 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
2062 | )); |
1656 | |
2063 | |
1657 | if (loop_done == EVUNLOOP_ONE) |
2064 | if (loop_done == EVUNLOOP_ONE) |
1658 | loop_done = EVUNLOOP_CANCEL; |
2065 | loop_done = EVUNLOOP_CANCEL; |
1659 | } |
2066 | } |
1660 | |
2067 | |
… | |
… | |
1747 | int fd = w->fd; |
2154 | int fd = w->fd; |
1748 | |
2155 | |
1749 | if (expect_false (ev_is_active (w))) |
2156 | if (expect_false (ev_is_active (w))) |
1750 | return; |
2157 | return; |
1751 | |
2158 | |
1752 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2159 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2160 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2161 | |
|
|
2162 | EV_FREQUENT_CHECK; |
1753 | |
2163 | |
1754 | ev_start (EV_A_ (W)w, 1); |
2164 | ev_start (EV_A_ (W)w, 1); |
1755 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2165 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1756 | wlist_add (&anfds[fd].head, (WL)w); |
2166 | wlist_add (&anfds[fd].head, (WL)w); |
1757 | |
2167 | |
1758 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2168 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1759 | w->events &= ~EV_IOFDSET; |
2169 | w->events &= ~EV_IOFDSET; |
|
|
2170 | |
|
|
2171 | EV_FREQUENT_CHECK; |
1760 | } |
2172 | } |
1761 | |
2173 | |
1762 | void noinline |
2174 | void noinline |
1763 | ev_io_stop (EV_P_ ev_io *w) |
2175 | ev_io_stop (EV_P_ ev_io *w) |
1764 | { |
2176 | { |
1765 | clear_pending (EV_A_ (W)w); |
2177 | clear_pending (EV_A_ (W)w); |
1766 | if (expect_false (!ev_is_active (w))) |
2178 | if (expect_false (!ev_is_active (w))) |
1767 | return; |
2179 | return; |
1768 | |
2180 | |
1769 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2181 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2182 | |
|
|
2183 | EV_FREQUENT_CHECK; |
1770 | |
2184 | |
1771 | wlist_del (&anfds[w->fd].head, (WL)w); |
2185 | wlist_del (&anfds[w->fd].head, (WL)w); |
1772 | ev_stop (EV_A_ (W)w); |
2186 | ev_stop (EV_A_ (W)w); |
1773 | |
2187 | |
1774 | fd_change (EV_A_ w->fd, 1); |
2188 | fd_change (EV_A_ w->fd, 1); |
|
|
2189 | |
|
|
2190 | EV_FREQUENT_CHECK; |
1775 | } |
2191 | } |
1776 | |
2192 | |
1777 | void noinline |
2193 | void noinline |
1778 | ev_timer_start (EV_P_ ev_timer *w) |
2194 | ev_timer_start (EV_P_ ev_timer *w) |
1779 | { |
2195 | { |
1780 | if (expect_false (ev_is_active (w))) |
2196 | if (expect_false (ev_is_active (w))) |
1781 | return; |
2197 | return; |
1782 | |
2198 | |
1783 | ((WT)w)->at += mn_now; |
2199 | ev_at (w) += mn_now; |
1784 | |
2200 | |
1785 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2201 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1786 | |
2202 | |
|
|
2203 | EV_FREQUENT_CHECK; |
|
|
2204 | |
|
|
2205 | ++timercnt; |
1787 | ev_start (EV_A_ (W)w, ++timercnt); |
2206 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1788 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2207 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1789 | timers [timercnt - 1] = (WT)w; |
2208 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1790 | upheap (timers, timercnt - 1); |
2209 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2210 | upheap (timers, ev_active (w)); |
1791 | |
2211 | |
|
|
2212 | EV_FREQUENT_CHECK; |
|
|
2213 | |
1792 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2214 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1793 | } |
2215 | } |
1794 | |
2216 | |
1795 | void noinline |
2217 | void noinline |
1796 | ev_timer_stop (EV_P_ ev_timer *w) |
2218 | ev_timer_stop (EV_P_ ev_timer *w) |
1797 | { |
2219 | { |
1798 | clear_pending (EV_A_ (W)w); |
2220 | clear_pending (EV_A_ (W)w); |
1799 | if (expect_false (!ev_is_active (w))) |
2221 | if (expect_false (!ev_is_active (w))) |
1800 | return; |
2222 | return; |
1801 | |
2223 | |
1802 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2224 | EV_FREQUENT_CHECK; |
1803 | |
2225 | |
1804 | { |
2226 | { |
1805 | int active = ((W)w)->active; |
2227 | int active = ev_active (w); |
1806 | |
2228 | |
|
|
2229 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2230 | |
|
|
2231 | --timercnt; |
|
|
2232 | |
1807 | if (expect_true (--active < --timercnt)) |
2233 | if (expect_true (active < timercnt + HEAP0)) |
1808 | { |
2234 | { |
1809 | timers [active] = timers [timercnt]; |
2235 | timers [active] = timers [timercnt + HEAP0]; |
1810 | adjustheap (timers, timercnt, active); |
2236 | adjustheap (timers, timercnt, active); |
1811 | } |
2237 | } |
1812 | } |
2238 | } |
1813 | |
2239 | |
1814 | ((WT)w)->at -= mn_now; |
2240 | EV_FREQUENT_CHECK; |
|
|
2241 | |
|
|
2242 | ev_at (w) -= mn_now; |
1815 | |
2243 | |
1816 | ev_stop (EV_A_ (W)w); |
2244 | ev_stop (EV_A_ (W)w); |
1817 | } |
2245 | } |
1818 | |
2246 | |
1819 | void noinline |
2247 | void noinline |
1820 | ev_timer_again (EV_P_ ev_timer *w) |
2248 | ev_timer_again (EV_P_ ev_timer *w) |
1821 | { |
2249 | { |
|
|
2250 | EV_FREQUENT_CHECK; |
|
|
2251 | |
1822 | if (ev_is_active (w)) |
2252 | if (ev_is_active (w)) |
1823 | { |
2253 | { |
1824 | if (w->repeat) |
2254 | if (w->repeat) |
1825 | { |
2255 | { |
1826 | ((WT)w)->at = mn_now + w->repeat; |
2256 | ev_at (w) = mn_now + w->repeat; |
|
|
2257 | ANHE_at_cache (timers [ev_active (w)]); |
1827 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2258 | adjustheap (timers, timercnt, ev_active (w)); |
1828 | } |
2259 | } |
1829 | else |
2260 | else |
1830 | ev_timer_stop (EV_A_ w); |
2261 | ev_timer_stop (EV_A_ w); |
1831 | } |
2262 | } |
1832 | else if (w->repeat) |
2263 | else if (w->repeat) |
1833 | { |
2264 | { |
1834 | w->at = w->repeat; |
2265 | ev_at (w) = w->repeat; |
1835 | ev_timer_start (EV_A_ w); |
2266 | ev_timer_start (EV_A_ w); |
1836 | } |
2267 | } |
|
|
2268 | |
|
|
2269 | EV_FREQUENT_CHECK; |
1837 | } |
2270 | } |
1838 | |
2271 | |
1839 | #if EV_PERIODIC_ENABLE |
2272 | #if EV_PERIODIC_ENABLE |
1840 | void noinline |
2273 | void noinline |
1841 | ev_periodic_start (EV_P_ ev_periodic *w) |
2274 | ev_periodic_start (EV_P_ ev_periodic *w) |
1842 | { |
2275 | { |
1843 | if (expect_false (ev_is_active (w))) |
2276 | if (expect_false (ev_is_active (w))) |
1844 | return; |
2277 | return; |
1845 | |
2278 | |
1846 | if (w->reschedule_cb) |
2279 | if (w->reschedule_cb) |
1847 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2280 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1848 | else if (w->interval) |
2281 | else if (w->interval) |
1849 | { |
2282 | { |
1850 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2283 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1851 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2284 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1852 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2285 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1853 | } |
2286 | } |
1854 | else |
2287 | else |
1855 | ((WT)w)->at = w->offset; |
2288 | ev_at (w) = w->offset; |
1856 | |
2289 | |
|
|
2290 | EV_FREQUENT_CHECK; |
|
|
2291 | |
|
|
2292 | ++periodiccnt; |
1857 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2293 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1858 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2294 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1859 | periodics [periodiccnt - 1] = (WT)w; |
2295 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1860 | upheap (periodics, periodiccnt - 1); |
2296 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2297 | upheap (periodics, ev_active (w)); |
1861 | |
2298 | |
|
|
2299 | EV_FREQUENT_CHECK; |
|
|
2300 | |
1862 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2301 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1863 | } |
2302 | } |
1864 | |
2303 | |
1865 | void noinline |
2304 | void noinline |
1866 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2305 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1867 | { |
2306 | { |
1868 | clear_pending (EV_A_ (W)w); |
2307 | clear_pending (EV_A_ (W)w); |
1869 | if (expect_false (!ev_is_active (w))) |
2308 | if (expect_false (!ev_is_active (w))) |
1870 | return; |
2309 | return; |
1871 | |
2310 | |
1872 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2311 | EV_FREQUENT_CHECK; |
1873 | |
2312 | |
1874 | { |
2313 | { |
1875 | int active = ((W)w)->active; |
2314 | int active = ev_active (w); |
1876 | |
2315 | |
|
|
2316 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2317 | |
|
|
2318 | --periodiccnt; |
|
|
2319 | |
1877 | if (expect_true (--active < --periodiccnt)) |
2320 | if (expect_true (active < periodiccnt + HEAP0)) |
1878 | { |
2321 | { |
1879 | periodics [active] = periodics [periodiccnt]; |
2322 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1880 | adjustheap (periodics, periodiccnt, active); |
2323 | adjustheap (periodics, periodiccnt, active); |
1881 | } |
2324 | } |
1882 | } |
2325 | } |
1883 | |
2326 | |
|
|
2327 | EV_FREQUENT_CHECK; |
|
|
2328 | |
1884 | ev_stop (EV_A_ (W)w); |
2329 | ev_stop (EV_A_ (W)w); |
1885 | } |
2330 | } |
1886 | |
2331 | |
1887 | void noinline |
2332 | void noinline |
1888 | ev_periodic_again (EV_P_ ev_periodic *w) |
2333 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1899 | |
2344 | |
1900 | void noinline |
2345 | void noinline |
1901 | ev_signal_start (EV_P_ ev_signal *w) |
2346 | ev_signal_start (EV_P_ ev_signal *w) |
1902 | { |
2347 | { |
1903 | #if EV_MULTIPLICITY |
2348 | #if EV_MULTIPLICITY |
1904 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2349 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1905 | #endif |
2350 | #endif |
1906 | if (expect_false (ev_is_active (w))) |
2351 | if (expect_false (ev_is_active (w))) |
1907 | return; |
2352 | return; |
1908 | |
2353 | |
1909 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2354 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
1910 | |
2355 | |
1911 | evpipe_init (EV_A); |
2356 | evpipe_init (EV_A); |
|
|
2357 | |
|
|
2358 | EV_FREQUENT_CHECK; |
1912 | |
2359 | |
1913 | { |
2360 | { |
1914 | #ifndef _WIN32 |
2361 | #ifndef _WIN32 |
1915 | sigset_t full, prev; |
2362 | sigset_t full, prev; |
1916 | sigfillset (&full); |
2363 | sigfillset (&full); |
1917 | sigprocmask (SIG_SETMASK, &full, &prev); |
2364 | sigprocmask (SIG_SETMASK, &full, &prev); |
1918 | #endif |
2365 | #endif |
1919 | |
2366 | |
1920 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2367 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
1921 | |
2368 | |
1922 | #ifndef _WIN32 |
2369 | #ifndef _WIN32 |
1923 | sigprocmask (SIG_SETMASK, &prev, 0); |
2370 | sigprocmask (SIG_SETMASK, &prev, 0); |
1924 | #endif |
2371 | #endif |
1925 | } |
2372 | } |
… | |
… | |
1928 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2375 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1929 | |
2376 | |
1930 | if (!((WL)w)->next) |
2377 | if (!((WL)w)->next) |
1931 | { |
2378 | { |
1932 | #if _WIN32 |
2379 | #if _WIN32 |
1933 | signal (w->signum, sighandler); |
2380 | signal (w->signum, ev_sighandler); |
1934 | #else |
2381 | #else |
1935 | struct sigaction sa; |
2382 | struct sigaction sa; |
1936 | sa.sa_handler = sighandler; |
2383 | sa.sa_handler = ev_sighandler; |
1937 | sigfillset (&sa.sa_mask); |
2384 | sigfillset (&sa.sa_mask); |
1938 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2385 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1939 | sigaction (w->signum, &sa, 0); |
2386 | sigaction (w->signum, &sa, 0); |
1940 | #endif |
2387 | #endif |
1941 | } |
2388 | } |
|
|
2389 | |
|
|
2390 | EV_FREQUENT_CHECK; |
1942 | } |
2391 | } |
1943 | |
2392 | |
1944 | void noinline |
2393 | void noinline |
1945 | ev_signal_stop (EV_P_ ev_signal *w) |
2394 | ev_signal_stop (EV_P_ ev_signal *w) |
1946 | { |
2395 | { |
1947 | clear_pending (EV_A_ (W)w); |
2396 | clear_pending (EV_A_ (W)w); |
1948 | if (expect_false (!ev_is_active (w))) |
2397 | if (expect_false (!ev_is_active (w))) |
1949 | return; |
2398 | return; |
1950 | |
2399 | |
|
|
2400 | EV_FREQUENT_CHECK; |
|
|
2401 | |
1951 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2402 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1952 | ev_stop (EV_A_ (W)w); |
2403 | ev_stop (EV_A_ (W)w); |
1953 | |
2404 | |
1954 | if (!signals [w->signum - 1].head) |
2405 | if (!signals [w->signum - 1].head) |
1955 | signal (w->signum, SIG_DFL); |
2406 | signal (w->signum, SIG_DFL); |
|
|
2407 | |
|
|
2408 | EV_FREQUENT_CHECK; |
1956 | } |
2409 | } |
1957 | |
2410 | |
1958 | void |
2411 | void |
1959 | ev_child_start (EV_P_ ev_child *w) |
2412 | ev_child_start (EV_P_ ev_child *w) |
1960 | { |
2413 | { |
1961 | #if EV_MULTIPLICITY |
2414 | #if EV_MULTIPLICITY |
1962 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2415 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1963 | #endif |
2416 | #endif |
1964 | if (expect_false (ev_is_active (w))) |
2417 | if (expect_false (ev_is_active (w))) |
1965 | return; |
2418 | return; |
1966 | |
2419 | |
|
|
2420 | EV_FREQUENT_CHECK; |
|
|
2421 | |
1967 | ev_start (EV_A_ (W)w, 1); |
2422 | ev_start (EV_A_ (W)w, 1); |
1968 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2423 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2424 | |
|
|
2425 | EV_FREQUENT_CHECK; |
1969 | } |
2426 | } |
1970 | |
2427 | |
1971 | void |
2428 | void |
1972 | ev_child_stop (EV_P_ ev_child *w) |
2429 | ev_child_stop (EV_P_ ev_child *w) |
1973 | { |
2430 | { |
1974 | clear_pending (EV_A_ (W)w); |
2431 | clear_pending (EV_A_ (W)w); |
1975 | if (expect_false (!ev_is_active (w))) |
2432 | if (expect_false (!ev_is_active (w))) |
1976 | return; |
2433 | return; |
1977 | |
2434 | |
|
|
2435 | EV_FREQUENT_CHECK; |
|
|
2436 | |
1978 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2437 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1979 | ev_stop (EV_A_ (W)w); |
2438 | ev_stop (EV_A_ (W)w); |
|
|
2439 | |
|
|
2440 | EV_FREQUENT_CHECK; |
1980 | } |
2441 | } |
1981 | |
2442 | |
1982 | #if EV_STAT_ENABLE |
2443 | #if EV_STAT_ENABLE |
1983 | |
2444 | |
1984 | # ifdef _WIN32 |
2445 | # ifdef _WIN32 |
1985 | # undef lstat |
2446 | # undef lstat |
1986 | # define lstat(a,b) _stati64 (a,b) |
2447 | # define lstat(a,b) _stati64 (a,b) |
1987 | # endif |
2448 | # endif |
1988 | |
2449 | |
1989 | #define DEF_STAT_INTERVAL 5.0074891 |
2450 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2451 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
1990 | #define MIN_STAT_INTERVAL 0.1074891 |
2452 | #define MIN_STAT_INTERVAL 0.1074891 |
1991 | |
2453 | |
1992 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2454 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1993 | |
2455 | |
1994 | #if EV_USE_INOTIFY |
2456 | #if EV_USE_INOTIFY |
1995 | # define EV_INOTIFY_BUFSIZE 8192 |
2457 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
1999 | { |
2461 | { |
2000 | 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); |
2462 | 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); |
2001 | |
2463 | |
2002 | if (w->wd < 0) |
2464 | if (w->wd < 0) |
2003 | { |
2465 | { |
|
|
2466 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2004 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2467 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2005 | |
2468 | |
2006 | /* monitor some parent directory for speedup hints */ |
2469 | /* monitor some parent directory for speedup hints */ |
|
|
2470 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
|
|
2471 | /* but an efficiency issue only */ |
2007 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2472 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2008 | { |
2473 | { |
2009 | char path [4096]; |
2474 | char path [4096]; |
2010 | strcpy (path, w->path); |
2475 | strcpy (path, w->path); |
2011 | |
2476 | |
… | |
… | |
2014 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2479 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2015 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2480 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2016 | |
2481 | |
2017 | char *pend = strrchr (path, '/'); |
2482 | char *pend = strrchr (path, '/'); |
2018 | |
2483 | |
2019 | if (!pend) |
2484 | if (!pend || pend == path) |
2020 | break; /* whoops, no '/', complain to your admin */ |
2485 | break; |
2021 | |
2486 | |
2022 | *pend = 0; |
2487 | *pend = 0; |
2023 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2488 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2024 | } |
2489 | } |
2025 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2490 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2026 | } |
2491 | } |
2027 | } |
2492 | } |
2028 | else |
|
|
2029 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2030 | |
2493 | |
2031 | if (w->wd >= 0) |
2494 | if (w->wd >= 0) |
|
|
2495 | { |
2032 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2496 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2497 | |
|
|
2498 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2499 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2500 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2501 | struct statfs sfs; |
|
|
2502 | |
|
|
2503 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2504 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2505 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2506 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2507 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2508 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2509 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2510 | return; |
|
|
2511 | |
|
|
2512 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2513 | ev_timer_again (EV_A_ &w->timer); |
|
|
2514 | } |
2033 | } |
2515 | } |
2034 | |
2516 | |
2035 | static void noinline |
2517 | static void noinline |
2036 | infy_del (EV_P_ ev_stat *w) |
2518 | infy_del (EV_P_ ev_stat *w) |
2037 | { |
2519 | { |
… | |
… | |
2051 | |
2533 | |
2052 | static void noinline |
2534 | static void noinline |
2053 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2535 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2054 | { |
2536 | { |
2055 | if (slot < 0) |
2537 | if (slot < 0) |
2056 | /* overflow, need to check for all hahs slots */ |
2538 | /* overflow, need to check for all hash slots */ |
2057 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2539 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2058 | infy_wd (EV_A_ slot, wd, ev); |
2540 | infy_wd (EV_A_ slot, wd, ev); |
2059 | else |
2541 | else |
2060 | { |
2542 | { |
2061 | WL w_; |
2543 | WL w_; |
… | |
… | |
2067 | |
2549 | |
2068 | if (w->wd == wd || wd == -1) |
2550 | if (w->wd == wd || wd == -1) |
2069 | { |
2551 | { |
2070 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2552 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2071 | { |
2553 | { |
|
|
2554 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2072 | w->wd = -1; |
2555 | w->wd = -1; |
2073 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2556 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2074 | } |
2557 | } |
2075 | |
2558 | |
2076 | stat_timer_cb (EV_A_ &w->timer, 0); |
2559 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2090 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2573 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2091 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2574 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2092 | } |
2575 | } |
2093 | |
2576 | |
2094 | void inline_size |
2577 | void inline_size |
|
|
2578 | check_2625 (EV_P) |
|
|
2579 | { |
|
|
2580 | /* kernels < 2.6.25 are borked |
|
|
2581 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2582 | */ |
|
|
2583 | struct utsname buf; |
|
|
2584 | int major, minor, micro; |
|
|
2585 | |
|
|
2586 | if (uname (&buf)) |
|
|
2587 | return; |
|
|
2588 | |
|
|
2589 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2590 | return; |
|
|
2591 | |
|
|
2592 | if (major < 2 |
|
|
2593 | || (major == 2 && minor < 6) |
|
|
2594 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2595 | return; |
|
|
2596 | |
|
|
2597 | fs_2625 = 1; |
|
|
2598 | } |
|
|
2599 | |
|
|
2600 | void inline_size |
2095 | infy_init (EV_P) |
2601 | infy_init (EV_P) |
2096 | { |
2602 | { |
2097 | if (fs_fd != -2) |
2603 | if (fs_fd != -2) |
2098 | return; |
2604 | return; |
|
|
2605 | |
|
|
2606 | fs_fd = -1; |
|
|
2607 | |
|
|
2608 | check_2625 (EV_A); |
2099 | |
2609 | |
2100 | fs_fd = inotify_init (); |
2610 | fs_fd = inotify_init (); |
2101 | |
2611 | |
2102 | if (fs_fd >= 0) |
2612 | if (fs_fd >= 0) |
2103 | { |
2613 | { |
… | |
… | |
2131 | w->wd = -1; |
2641 | w->wd = -1; |
2132 | |
2642 | |
2133 | if (fs_fd >= 0) |
2643 | if (fs_fd >= 0) |
2134 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2644 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2135 | else |
2645 | else |
2136 | ev_timer_start (EV_A_ &w->timer); |
2646 | ev_timer_again (EV_A_ &w->timer); |
2137 | } |
2647 | } |
2138 | |
|
|
2139 | } |
2648 | } |
2140 | } |
2649 | } |
2141 | |
2650 | |
|
|
2651 | #endif |
|
|
2652 | |
|
|
2653 | #ifdef _WIN32 |
|
|
2654 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2655 | #else |
|
|
2656 | # define EV_LSTAT(p,b) lstat (p, b) |
2142 | #endif |
2657 | #endif |
2143 | |
2658 | |
2144 | void |
2659 | void |
2145 | ev_stat_stat (EV_P_ ev_stat *w) |
2660 | ev_stat_stat (EV_P_ ev_stat *w) |
2146 | { |
2661 | { |
… | |
… | |
2173 | || w->prev.st_atime != w->attr.st_atime |
2688 | || w->prev.st_atime != w->attr.st_atime |
2174 | || w->prev.st_mtime != w->attr.st_mtime |
2689 | || w->prev.st_mtime != w->attr.st_mtime |
2175 | || w->prev.st_ctime != w->attr.st_ctime |
2690 | || w->prev.st_ctime != w->attr.st_ctime |
2176 | ) { |
2691 | ) { |
2177 | #if EV_USE_INOTIFY |
2692 | #if EV_USE_INOTIFY |
|
|
2693 | if (fs_fd >= 0) |
|
|
2694 | { |
2178 | infy_del (EV_A_ w); |
2695 | infy_del (EV_A_ w); |
2179 | infy_add (EV_A_ w); |
2696 | infy_add (EV_A_ w); |
2180 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2697 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2698 | } |
2181 | #endif |
2699 | #endif |
2182 | |
2700 | |
2183 | ev_feed_event (EV_A_ w, EV_STAT); |
2701 | ev_feed_event (EV_A_ w, EV_STAT); |
2184 | } |
2702 | } |
2185 | } |
2703 | } |
… | |
… | |
2188 | ev_stat_start (EV_P_ ev_stat *w) |
2706 | ev_stat_start (EV_P_ ev_stat *w) |
2189 | { |
2707 | { |
2190 | if (expect_false (ev_is_active (w))) |
2708 | if (expect_false (ev_is_active (w))) |
2191 | return; |
2709 | return; |
2192 | |
2710 | |
2193 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2194 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2195 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2196 | |
|
|
2197 | ev_stat_stat (EV_A_ w); |
2711 | ev_stat_stat (EV_A_ w); |
2198 | |
2712 | |
|
|
2713 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2199 | if (w->interval < MIN_STAT_INTERVAL) |
2714 | w->interval = MIN_STAT_INTERVAL; |
2200 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2201 | |
2715 | |
2202 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2716 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2203 | ev_set_priority (&w->timer, ev_priority (w)); |
2717 | ev_set_priority (&w->timer, ev_priority (w)); |
2204 | |
2718 | |
2205 | #if EV_USE_INOTIFY |
2719 | #if EV_USE_INOTIFY |
2206 | infy_init (EV_A); |
2720 | infy_init (EV_A); |
2207 | |
2721 | |
2208 | if (fs_fd >= 0) |
2722 | if (fs_fd >= 0) |
2209 | infy_add (EV_A_ w); |
2723 | infy_add (EV_A_ w); |
2210 | else |
2724 | else |
2211 | #endif |
2725 | #endif |
2212 | ev_timer_start (EV_A_ &w->timer); |
2726 | ev_timer_again (EV_A_ &w->timer); |
2213 | |
2727 | |
2214 | ev_start (EV_A_ (W)w, 1); |
2728 | ev_start (EV_A_ (W)w, 1); |
|
|
2729 | |
|
|
2730 | EV_FREQUENT_CHECK; |
2215 | } |
2731 | } |
2216 | |
2732 | |
2217 | void |
2733 | void |
2218 | ev_stat_stop (EV_P_ ev_stat *w) |
2734 | ev_stat_stop (EV_P_ ev_stat *w) |
2219 | { |
2735 | { |
2220 | clear_pending (EV_A_ (W)w); |
2736 | clear_pending (EV_A_ (W)w); |
2221 | if (expect_false (!ev_is_active (w))) |
2737 | if (expect_false (!ev_is_active (w))) |
2222 | return; |
2738 | return; |
2223 | |
2739 | |
|
|
2740 | EV_FREQUENT_CHECK; |
|
|
2741 | |
2224 | #if EV_USE_INOTIFY |
2742 | #if EV_USE_INOTIFY |
2225 | infy_del (EV_A_ w); |
2743 | infy_del (EV_A_ w); |
2226 | #endif |
2744 | #endif |
2227 | ev_timer_stop (EV_A_ &w->timer); |
2745 | ev_timer_stop (EV_A_ &w->timer); |
2228 | |
2746 | |
2229 | ev_stop (EV_A_ (W)w); |
2747 | ev_stop (EV_A_ (W)w); |
|
|
2748 | |
|
|
2749 | EV_FREQUENT_CHECK; |
2230 | } |
2750 | } |
2231 | #endif |
2751 | #endif |
2232 | |
2752 | |
2233 | #if EV_IDLE_ENABLE |
2753 | #if EV_IDLE_ENABLE |
2234 | void |
2754 | void |
… | |
… | |
2236 | { |
2756 | { |
2237 | if (expect_false (ev_is_active (w))) |
2757 | if (expect_false (ev_is_active (w))) |
2238 | return; |
2758 | return; |
2239 | |
2759 | |
2240 | pri_adjust (EV_A_ (W)w); |
2760 | pri_adjust (EV_A_ (W)w); |
|
|
2761 | |
|
|
2762 | EV_FREQUENT_CHECK; |
2241 | |
2763 | |
2242 | { |
2764 | { |
2243 | int active = ++idlecnt [ABSPRI (w)]; |
2765 | int active = ++idlecnt [ABSPRI (w)]; |
2244 | |
2766 | |
2245 | ++idleall; |
2767 | ++idleall; |
2246 | ev_start (EV_A_ (W)w, active); |
2768 | ev_start (EV_A_ (W)w, active); |
2247 | |
2769 | |
2248 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2770 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2249 | idles [ABSPRI (w)][active - 1] = w; |
2771 | idles [ABSPRI (w)][active - 1] = w; |
2250 | } |
2772 | } |
|
|
2773 | |
|
|
2774 | EV_FREQUENT_CHECK; |
2251 | } |
2775 | } |
2252 | |
2776 | |
2253 | void |
2777 | void |
2254 | ev_idle_stop (EV_P_ ev_idle *w) |
2778 | ev_idle_stop (EV_P_ ev_idle *w) |
2255 | { |
2779 | { |
2256 | clear_pending (EV_A_ (W)w); |
2780 | clear_pending (EV_A_ (W)w); |
2257 | if (expect_false (!ev_is_active (w))) |
2781 | if (expect_false (!ev_is_active (w))) |
2258 | return; |
2782 | return; |
2259 | |
2783 | |
|
|
2784 | EV_FREQUENT_CHECK; |
|
|
2785 | |
2260 | { |
2786 | { |
2261 | int active = ((W)w)->active; |
2787 | int active = ev_active (w); |
2262 | |
2788 | |
2263 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2789 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2264 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2790 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2265 | |
2791 | |
2266 | ev_stop (EV_A_ (W)w); |
2792 | ev_stop (EV_A_ (W)w); |
2267 | --idleall; |
2793 | --idleall; |
2268 | } |
2794 | } |
|
|
2795 | |
|
|
2796 | EV_FREQUENT_CHECK; |
2269 | } |
2797 | } |
2270 | #endif |
2798 | #endif |
2271 | |
2799 | |
2272 | void |
2800 | void |
2273 | ev_prepare_start (EV_P_ ev_prepare *w) |
2801 | ev_prepare_start (EV_P_ ev_prepare *w) |
2274 | { |
2802 | { |
2275 | if (expect_false (ev_is_active (w))) |
2803 | if (expect_false (ev_is_active (w))) |
2276 | return; |
2804 | return; |
|
|
2805 | |
|
|
2806 | EV_FREQUENT_CHECK; |
2277 | |
2807 | |
2278 | ev_start (EV_A_ (W)w, ++preparecnt); |
2808 | ev_start (EV_A_ (W)w, ++preparecnt); |
2279 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2809 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2280 | prepares [preparecnt - 1] = w; |
2810 | prepares [preparecnt - 1] = w; |
|
|
2811 | |
|
|
2812 | EV_FREQUENT_CHECK; |
2281 | } |
2813 | } |
2282 | |
2814 | |
2283 | void |
2815 | void |
2284 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2816 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2285 | { |
2817 | { |
2286 | clear_pending (EV_A_ (W)w); |
2818 | clear_pending (EV_A_ (W)w); |
2287 | if (expect_false (!ev_is_active (w))) |
2819 | if (expect_false (!ev_is_active (w))) |
2288 | return; |
2820 | return; |
2289 | |
2821 | |
|
|
2822 | EV_FREQUENT_CHECK; |
|
|
2823 | |
2290 | { |
2824 | { |
2291 | int active = ((W)w)->active; |
2825 | int active = ev_active (w); |
|
|
2826 | |
2292 | prepares [active - 1] = prepares [--preparecnt]; |
2827 | prepares [active - 1] = prepares [--preparecnt]; |
2293 | ((W)prepares [active - 1])->active = active; |
2828 | ev_active (prepares [active - 1]) = active; |
2294 | } |
2829 | } |
2295 | |
2830 | |
2296 | ev_stop (EV_A_ (W)w); |
2831 | ev_stop (EV_A_ (W)w); |
|
|
2832 | |
|
|
2833 | EV_FREQUENT_CHECK; |
2297 | } |
2834 | } |
2298 | |
2835 | |
2299 | void |
2836 | void |
2300 | ev_check_start (EV_P_ ev_check *w) |
2837 | ev_check_start (EV_P_ ev_check *w) |
2301 | { |
2838 | { |
2302 | if (expect_false (ev_is_active (w))) |
2839 | if (expect_false (ev_is_active (w))) |
2303 | return; |
2840 | return; |
|
|
2841 | |
|
|
2842 | EV_FREQUENT_CHECK; |
2304 | |
2843 | |
2305 | ev_start (EV_A_ (W)w, ++checkcnt); |
2844 | ev_start (EV_A_ (W)w, ++checkcnt); |
2306 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2845 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2307 | checks [checkcnt - 1] = w; |
2846 | checks [checkcnt - 1] = w; |
|
|
2847 | |
|
|
2848 | EV_FREQUENT_CHECK; |
2308 | } |
2849 | } |
2309 | |
2850 | |
2310 | void |
2851 | void |
2311 | ev_check_stop (EV_P_ ev_check *w) |
2852 | ev_check_stop (EV_P_ ev_check *w) |
2312 | { |
2853 | { |
2313 | clear_pending (EV_A_ (W)w); |
2854 | clear_pending (EV_A_ (W)w); |
2314 | if (expect_false (!ev_is_active (w))) |
2855 | if (expect_false (!ev_is_active (w))) |
2315 | return; |
2856 | return; |
2316 | |
2857 | |
|
|
2858 | EV_FREQUENT_CHECK; |
|
|
2859 | |
2317 | { |
2860 | { |
2318 | int active = ((W)w)->active; |
2861 | int active = ev_active (w); |
|
|
2862 | |
2319 | checks [active - 1] = checks [--checkcnt]; |
2863 | checks [active - 1] = checks [--checkcnt]; |
2320 | ((W)checks [active - 1])->active = active; |
2864 | ev_active (checks [active - 1]) = active; |
2321 | } |
2865 | } |
2322 | |
2866 | |
2323 | ev_stop (EV_A_ (W)w); |
2867 | ev_stop (EV_A_ (W)w); |
|
|
2868 | |
|
|
2869 | EV_FREQUENT_CHECK; |
2324 | } |
2870 | } |
2325 | |
2871 | |
2326 | #if EV_EMBED_ENABLE |
2872 | #if EV_EMBED_ENABLE |
2327 | void noinline |
2873 | void noinline |
2328 | ev_embed_sweep (EV_P_ ev_embed *w) |
2874 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2355 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2901 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2356 | } |
2902 | } |
2357 | } |
2903 | } |
2358 | } |
2904 | } |
2359 | |
2905 | |
|
|
2906 | static void |
|
|
2907 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2908 | { |
|
|
2909 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2910 | |
|
|
2911 | ev_embed_stop (EV_A_ w); |
|
|
2912 | |
|
|
2913 | { |
|
|
2914 | struct ev_loop *loop = w->other; |
|
|
2915 | |
|
|
2916 | ev_loop_fork (EV_A); |
|
|
2917 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2918 | } |
|
|
2919 | |
|
|
2920 | ev_embed_start (EV_A_ w); |
|
|
2921 | } |
|
|
2922 | |
2360 | #if 0 |
2923 | #if 0 |
2361 | static void |
2924 | static void |
2362 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2925 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2363 | { |
2926 | { |
2364 | ev_idle_stop (EV_A_ idle); |
2927 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2371 | if (expect_false (ev_is_active (w))) |
2934 | if (expect_false (ev_is_active (w))) |
2372 | return; |
2935 | return; |
2373 | |
2936 | |
2374 | { |
2937 | { |
2375 | struct ev_loop *loop = w->other; |
2938 | struct ev_loop *loop = w->other; |
2376 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2939 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2377 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2940 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2378 | } |
2941 | } |
|
|
2942 | |
|
|
2943 | EV_FREQUENT_CHECK; |
2379 | |
2944 | |
2380 | ev_set_priority (&w->io, ev_priority (w)); |
2945 | ev_set_priority (&w->io, ev_priority (w)); |
2381 | ev_io_start (EV_A_ &w->io); |
2946 | ev_io_start (EV_A_ &w->io); |
2382 | |
2947 | |
2383 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2948 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2384 | ev_set_priority (&w->prepare, EV_MINPRI); |
2949 | ev_set_priority (&w->prepare, EV_MINPRI); |
2385 | ev_prepare_start (EV_A_ &w->prepare); |
2950 | ev_prepare_start (EV_A_ &w->prepare); |
2386 | |
2951 | |
|
|
2952 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2953 | ev_fork_start (EV_A_ &w->fork); |
|
|
2954 | |
2387 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2955 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2388 | |
2956 | |
2389 | ev_start (EV_A_ (W)w, 1); |
2957 | ev_start (EV_A_ (W)w, 1); |
|
|
2958 | |
|
|
2959 | EV_FREQUENT_CHECK; |
2390 | } |
2960 | } |
2391 | |
2961 | |
2392 | void |
2962 | void |
2393 | ev_embed_stop (EV_P_ ev_embed *w) |
2963 | ev_embed_stop (EV_P_ ev_embed *w) |
2394 | { |
2964 | { |
2395 | clear_pending (EV_A_ (W)w); |
2965 | clear_pending (EV_A_ (W)w); |
2396 | if (expect_false (!ev_is_active (w))) |
2966 | if (expect_false (!ev_is_active (w))) |
2397 | return; |
2967 | return; |
2398 | |
2968 | |
|
|
2969 | EV_FREQUENT_CHECK; |
|
|
2970 | |
2399 | ev_io_stop (EV_A_ &w->io); |
2971 | ev_io_stop (EV_A_ &w->io); |
2400 | ev_prepare_stop (EV_A_ &w->prepare); |
2972 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2973 | ev_fork_stop (EV_A_ &w->fork); |
2401 | |
2974 | |
2402 | ev_stop (EV_A_ (W)w); |
2975 | EV_FREQUENT_CHECK; |
2403 | } |
2976 | } |
2404 | #endif |
2977 | #endif |
2405 | |
2978 | |
2406 | #if EV_FORK_ENABLE |
2979 | #if EV_FORK_ENABLE |
2407 | void |
2980 | void |
2408 | ev_fork_start (EV_P_ ev_fork *w) |
2981 | ev_fork_start (EV_P_ ev_fork *w) |
2409 | { |
2982 | { |
2410 | if (expect_false (ev_is_active (w))) |
2983 | if (expect_false (ev_is_active (w))) |
2411 | return; |
2984 | return; |
|
|
2985 | |
|
|
2986 | EV_FREQUENT_CHECK; |
2412 | |
2987 | |
2413 | ev_start (EV_A_ (W)w, ++forkcnt); |
2988 | ev_start (EV_A_ (W)w, ++forkcnt); |
2414 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2989 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2415 | forks [forkcnt - 1] = w; |
2990 | forks [forkcnt - 1] = w; |
|
|
2991 | |
|
|
2992 | EV_FREQUENT_CHECK; |
2416 | } |
2993 | } |
2417 | |
2994 | |
2418 | void |
2995 | void |
2419 | ev_fork_stop (EV_P_ ev_fork *w) |
2996 | ev_fork_stop (EV_P_ ev_fork *w) |
2420 | { |
2997 | { |
2421 | clear_pending (EV_A_ (W)w); |
2998 | clear_pending (EV_A_ (W)w); |
2422 | if (expect_false (!ev_is_active (w))) |
2999 | if (expect_false (!ev_is_active (w))) |
2423 | return; |
3000 | return; |
2424 | |
3001 | |
|
|
3002 | EV_FREQUENT_CHECK; |
|
|
3003 | |
2425 | { |
3004 | { |
2426 | int active = ((W)w)->active; |
3005 | int active = ev_active (w); |
|
|
3006 | |
2427 | forks [active - 1] = forks [--forkcnt]; |
3007 | forks [active - 1] = forks [--forkcnt]; |
2428 | ((W)forks [active - 1])->active = active; |
3008 | ev_active (forks [active - 1]) = active; |
2429 | } |
3009 | } |
2430 | |
3010 | |
2431 | ev_stop (EV_A_ (W)w); |
3011 | ev_stop (EV_A_ (W)w); |
|
|
3012 | |
|
|
3013 | EV_FREQUENT_CHECK; |
2432 | } |
3014 | } |
2433 | #endif |
3015 | #endif |
2434 | |
3016 | |
2435 | #if EV_ASYNC_ENABLE |
3017 | #if EV_ASYNC_ENABLE |
2436 | void |
3018 | void |
… | |
… | |
2438 | { |
3020 | { |
2439 | if (expect_false (ev_is_active (w))) |
3021 | if (expect_false (ev_is_active (w))) |
2440 | return; |
3022 | return; |
2441 | |
3023 | |
2442 | evpipe_init (EV_A); |
3024 | evpipe_init (EV_A); |
|
|
3025 | |
|
|
3026 | EV_FREQUENT_CHECK; |
2443 | |
3027 | |
2444 | ev_start (EV_A_ (W)w, ++asynccnt); |
3028 | ev_start (EV_A_ (W)w, ++asynccnt); |
2445 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
3029 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2446 | asyncs [asynccnt - 1] = w; |
3030 | asyncs [asynccnt - 1] = w; |
|
|
3031 | |
|
|
3032 | EV_FREQUENT_CHECK; |
2447 | } |
3033 | } |
2448 | |
3034 | |
2449 | void |
3035 | void |
2450 | ev_async_stop (EV_P_ ev_async *w) |
3036 | ev_async_stop (EV_P_ ev_async *w) |
2451 | { |
3037 | { |
2452 | clear_pending (EV_A_ (W)w); |
3038 | clear_pending (EV_A_ (W)w); |
2453 | if (expect_false (!ev_is_active (w))) |
3039 | if (expect_false (!ev_is_active (w))) |
2454 | return; |
3040 | return; |
2455 | |
3041 | |
|
|
3042 | EV_FREQUENT_CHECK; |
|
|
3043 | |
2456 | { |
3044 | { |
2457 | int active = ((W)w)->active; |
3045 | int active = ev_active (w); |
|
|
3046 | |
2458 | asyncs [active - 1] = asyncs [--asynccnt]; |
3047 | asyncs [active - 1] = asyncs [--asynccnt]; |
2459 | ((W)asyncs [active - 1])->active = active; |
3048 | ev_active (asyncs [active - 1]) = active; |
2460 | } |
3049 | } |
2461 | |
3050 | |
2462 | ev_stop (EV_A_ (W)w); |
3051 | ev_stop (EV_A_ (W)w); |
|
|
3052 | |
|
|
3053 | EV_FREQUENT_CHECK; |
2463 | } |
3054 | } |
2464 | |
3055 | |
2465 | void |
3056 | void |
2466 | ev_async_send (EV_P_ ev_async *w) |
3057 | ev_async_send (EV_P_ ev_async *w) |
2467 | { |
3058 | { |
2468 | w->sent = 1; |
3059 | w->sent = 1; |
2469 | evpipe_write (EV_A_ 0, 1); |
3060 | evpipe_write (EV_A_ &gotasync); |
2470 | } |
3061 | } |
2471 | #endif |
3062 | #endif |
2472 | |
3063 | |
2473 | /*****************************************************************************/ |
3064 | /*****************************************************************************/ |
2474 | |
3065 | |
… | |
… | |
2484 | once_cb (EV_P_ struct ev_once *once, int revents) |
3075 | once_cb (EV_P_ struct ev_once *once, int revents) |
2485 | { |
3076 | { |
2486 | void (*cb)(int revents, void *arg) = once->cb; |
3077 | void (*cb)(int revents, void *arg) = once->cb; |
2487 | void *arg = once->arg; |
3078 | void *arg = once->arg; |
2488 | |
3079 | |
2489 | ev_io_stop (EV_A_ &once->io); |
3080 | ev_io_stop (EV_A_ &once->io); |
2490 | ev_timer_stop (EV_A_ &once->to); |
3081 | ev_timer_stop (EV_A_ &once->to); |
2491 | ev_free (once); |
3082 | ev_free (once); |
2492 | |
3083 | |
2493 | cb (revents, arg); |
3084 | cb (revents, arg); |
2494 | } |
3085 | } |
2495 | |
3086 | |
2496 | static void |
3087 | static void |
2497 | once_cb_io (EV_P_ ev_io *w, int revents) |
3088 | once_cb_io (EV_P_ ev_io *w, int revents) |
2498 | { |
3089 | { |
2499 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3090 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3091 | |
|
|
3092 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2500 | } |
3093 | } |
2501 | |
3094 | |
2502 | static void |
3095 | static void |
2503 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3096 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2504 | { |
3097 | { |
2505 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3098 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3099 | |
|
|
3100 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2506 | } |
3101 | } |
2507 | |
3102 | |
2508 | void |
3103 | void |
2509 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3104 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2510 | { |
3105 | { |