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" |
49 | # endif |
50 | # endif |
50 | |
51 | |
|
|
52 | # if HAVE_CLOCK_SYSCALL |
|
|
53 | # ifndef EV_USE_CLOCK_SYSCALL |
|
|
54 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
55 | # ifndef EV_USE_REALTIME |
|
|
56 | # define EV_USE_REALTIME 0 |
|
|
57 | # endif |
|
|
58 | # ifndef EV_USE_MONOTONIC |
|
|
59 | # define EV_USE_MONOTONIC 1 |
|
|
60 | # endif |
|
|
61 | # endif |
|
|
62 | # endif |
|
|
63 | |
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 |
54 | # endif |
67 | # endif |
55 | # ifndef EV_USE_REALTIME |
68 | # ifndef EV_USE_REALTIME |
56 | # define EV_USE_REALTIME 1 |
69 | # define EV_USE_REALTIME 0 |
57 | # endif |
70 | # endif |
58 | # else |
71 | # else |
59 | # ifndef EV_USE_MONOTONIC |
72 | # ifndef EV_USE_MONOTONIC |
60 | # define EV_USE_MONOTONIC 0 |
73 | # define EV_USE_MONOTONIC 0 |
61 | # endif |
74 | # endif |
… | |
… | |
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 !EV_USE_CLOCK_SYSCALL |
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 | |
293 | #if EV_USE_MONOTONIC |
399 | #define ev_active(w) ((W)(w))->active |
|
|
400 | #define ev_at(w) ((WT)(w))->at |
|
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401 | |
|
|
402 | #if EV_USE_REALTIME |
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 */ |
|
|
405 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
|
|
406 | #endif |
|
|
407 | |
|
|
408 | #if EV_USE_MONOTONIC |
296 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
409 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
297 | #endif |
410 | #endif |
298 | |
411 | |
299 | #ifdef _WIN32 |
412 | #ifdef _WIN32 |
300 | # include "ev_win32.c" |
413 | # include "ev_win32.c" |
… | |
… | |
309 | { |
422 | { |
310 | syserr_cb = cb; |
423 | syserr_cb = cb; |
311 | } |
424 | } |
312 | |
425 | |
313 | static void noinline |
426 | static void noinline |
314 | syserr (const char *msg) |
427 | ev_syserr (const char *msg) |
315 | { |
428 | { |
316 | if (!msg) |
429 | if (!msg) |
317 | msg = "(libev) system error"; |
430 | msg = "(libev) system error"; |
318 | |
431 | |
319 | if (syserr_cb) |
432 | if (syserr_cb) |
… | |
… | |
323 | perror (msg); |
436 | perror (msg); |
324 | abort (); |
437 | abort (); |
325 | } |
438 | } |
326 | } |
439 | } |
327 | |
440 | |
|
|
441 | static void * |
|
|
442 | ev_realloc_emul (void *ptr, long size) |
|
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443 | { |
|
|
444 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
445 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
|
446 | * the single unix specification, so work around them here. |
|
|
447 | */ |
|
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448 | |
|
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449 | if (size) |
|
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450 | return realloc (ptr, size); |
|
|
451 | |
|
|
452 | free (ptr); |
|
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453 | return 0; |
|
|
454 | } |
|
|
455 | |
328 | static void *(*alloc)(void *ptr, long size); |
456 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
329 | |
457 | |
330 | void |
458 | void |
331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
459 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
332 | { |
460 | { |
333 | alloc = cb; |
461 | alloc = cb; |
334 | } |
462 | } |
335 | |
463 | |
336 | inline_speed void * |
464 | inline_speed void * |
337 | ev_realloc (void *ptr, long size) |
465 | ev_realloc (void *ptr, long size) |
338 | { |
466 | { |
339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
467 | ptr = alloc (ptr, size); |
340 | |
468 | |
341 | if (!ptr && size) |
469 | if (!ptr && size) |
342 | { |
470 | { |
343 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
471 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
344 | abort (); |
472 | abort (); |
… | |
… | |
355 | typedef struct |
483 | typedef struct |
356 | { |
484 | { |
357 | WL head; |
485 | WL head; |
358 | unsigned char events; |
486 | unsigned char events; |
359 | unsigned char reify; |
487 | unsigned char reify; |
|
|
488 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
|
|
489 | unsigned char unused; |
|
|
490 | #if EV_USE_EPOLL |
|
|
491 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
492 | #endif |
360 | #if EV_SELECT_IS_WINSOCKET |
493 | #if EV_SELECT_IS_WINSOCKET |
361 | SOCKET handle; |
494 | SOCKET handle; |
362 | #endif |
495 | #endif |
363 | } ANFD; |
496 | } ANFD; |
364 | |
497 | |
… | |
… | |
367 | W w; |
500 | W w; |
368 | int events; |
501 | int events; |
369 | } ANPENDING; |
502 | } ANPENDING; |
370 | |
503 | |
371 | #if EV_USE_INOTIFY |
504 | #if EV_USE_INOTIFY |
|
|
505 | /* hash table entry per inotify-id */ |
372 | typedef struct |
506 | typedef struct |
373 | { |
507 | { |
374 | WL head; |
508 | WL head; |
375 | } ANFS; |
509 | } ANFS; |
|
|
510 | #endif |
|
|
511 | |
|
|
512 | /* Heap Entry */ |
|
|
513 | #if EV_HEAP_CACHE_AT |
|
|
514 | typedef struct { |
|
|
515 | ev_tstamp at; |
|
|
516 | WT w; |
|
|
517 | } ANHE; |
|
|
518 | |
|
|
519 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
520 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
521 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
522 | #else |
|
|
523 | typedef WT ANHE; |
|
|
524 | |
|
|
525 | #define ANHE_w(he) (he) |
|
|
526 | #define ANHE_at(he) (he)->at |
|
|
527 | #define ANHE_at_cache(he) |
376 | #endif |
528 | #endif |
377 | |
529 | |
378 | #if EV_MULTIPLICITY |
530 | #if EV_MULTIPLICITY |
379 | |
531 | |
380 | struct ev_loop |
532 | struct ev_loop |
… | |
… | |
405 | |
557 | |
406 | ev_tstamp |
558 | ev_tstamp |
407 | ev_time (void) |
559 | ev_time (void) |
408 | { |
560 | { |
409 | #if EV_USE_REALTIME |
561 | #if EV_USE_REALTIME |
|
|
562 | if (expect_true (have_realtime)) |
|
|
563 | { |
410 | struct timespec ts; |
564 | struct timespec ts; |
411 | clock_gettime (CLOCK_REALTIME, &ts); |
565 | clock_gettime (CLOCK_REALTIME, &ts); |
412 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
566 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
413 | #else |
567 | } |
|
|
568 | #endif |
|
|
569 | |
414 | struct timeval tv; |
570 | struct timeval tv; |
415 | gettimeofday (&tv, 0); |
571 | gettimeofday (&tv, 0); |
416 | return tv.tv_sec + tv.tv_usec * 1e-6; |
572 | return tv.tv_sec + tv.tv_usec * 1e-6; |
417 | #endif |
|
|
418 | } |
573 | } |
419 | |
574 | |
420 | ev_tstamp inline_size |
575 | ev_tstamp inline_size |
421 | get_clock (void) |
576 | get_clock (void) |
422 | { |
577 | { |
… | |
… | |
458 | struct timeval tv; |
613 | struct timeval tv; |
459 | |
614 | |
460 | tv.tv_sec = (time_t)delay; |
615 | tv.tv_sec = (time_t)delay; |
461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
616 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
462 | |
617 | |
|
|
618 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
619 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
620 | /* by older ones */ |
463 | select (0, 0, 0, 0, &tv); |
621 | select (0, 0, 0, 0, &tv); |
464 | #endif |
622 | #endif |
465 | } |
623 | } |
466 | } |
624 | } |
467 | |
625 | |
468 | /*****************************************************************************/ |
626 | /*****************************************************************************/ |
|
|
627 | |
|
|
628 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
469 | |
629 | |
470 | int inline_size |
630 | int inline_size |
471 | array_nextsize (int elem, int cur, int cnt) |
631 | array_nextsize (int elem, int cur, int cnt) |
472 | { |
632 | { |
473 | int ncur = cur + 1; |
633 | int ncur = cur + 1; |
474 | |
634 | |
475 | do |
635 | do |
476 | ncur <<= 1; |
636 | ncur <<= 1; |
477 | while (cnt > ncur); |
637 | while (cnt > ncur); |
478 | |
638 | |
479 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
639 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
480 | if (elem * ncur > 4096) |
640 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
481 | { |
641 | { |
482 | ncur *= elem; |
642 | ncur *= elem; |
483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
643 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
484 | ncur = ncur - sizeof (void *) * 4; |
644 | ncur = ncur - sizeof (void *) * 4; |
485 | ncur /= elem; |
645 | ncur /= elem; |
486 | } |
646 | } |
487 | |
647 | |
488 | return ncur; |
648 | return ncur; |
… | |
… | |
492 | array_realloc (int elem, void *base, int *cur, int cnt) |
652 | array_realloc (int elem, void *base, int *cur, int cnt) |
493 | { |
653 | { |
494 | *cur = array_nextsize (elem, *cur, cnt); |
654 | *cur = array_nextsize (elem, *cur, cnt); |
495 | return ev_realloc (base, elem * *cur); |
655 | return ev_realloc (base, elem * *cur); |
496 | } |
656 | } |
|
|
657 | |
|
|
658 | #define array_init_zero(base,count) \ |
|
|
659 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
497 | |
660 | |
498 | #define array_needsize(type,base,cur,cnt,init) \ |
661 | #define array_needsize(type,base,cur,cnt,init) \ |
499 | if (expect_false ((cnt) > (cur))) \ |
662 | if (expect_false ((cnt) > (cur))) \ |
500 | { \ |
663 | { \ |
501 | int ocur_ = (cur); \ |
664 | int ocur_ = (cur); \ |
… | |
… | |
513 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
676 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
514 | } |
677 | } |
515 | #endif |
678 | #endif |
516 | |
679 | |
517 | #define array_free(stem, idx) \ |
680 | #define array_free(stem, idx) \ |
518 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
681 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
519 | |
682 | |
520 | /*****************************************************************************/ |
683 | /*****************************************************************************/ |
521 | |
684 | |
522 | void noinline |
685 | void noinline |
523 | ev_feed_event (EV_P_ void *w, int revents) |
686 | ev_feed_event (EV_P_ void *w, int revents) |
… | |
… | |
545 | ev_feed_event (EV_A_ events [i], type); |
708 | ev_feed_event (EV_A_ events [i], type); |
546 | } |
709 | } |
547 | |
710 | |
548 | /*****************************************************************************/ |
711 | /*****************************************************************************/ |
549 | |
712 | |
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 |
713 | void inline_speed |
564 | fd_event (EV_P_ int fd, int revents) |
714 | fd_event (EV_P_ int fd, int revents) |
565 | { |
715 | { |
566 | ANFD *anfd = anfds + fd; |
716 | ANFD *anfd = anfds + fd; |
567 | ev_io *w; |
717 | ev_io *w; |
… | |
… | |
599 | events |= (unsigned char)w->events; |
749 | events |= (unsigned char)w->events; |
600 | |
750 | |
601 | #if EV_SELECT_IS_WINSOCKET |
751 | #if EV_SELECT_IS_WINSOCKET |
602 | if (events) |
752 | if (events) |
603 | { |
753 | { |
604 | unsigned long argp; |
754 | unsigned long arg; |
605 | #ifdef EV_FD_TO_WIN32_HANDLE |
755 | #ifdef EV_FD_TO_WIN32_HANDLE |
606 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
756 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
607 | #else |
757 | #else |
608 | anfd->handle = _get_osfhandle (fd); |
758 | anfd->handle = _get_osfhandle (fd); |
609 | #endif |
759 | #endif |
610 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
760 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
611 | } |
761 | } |
612 | #endif |
762 | #endif |
613 | |
763 | |
614 | { |
764 | { |
615 | unsigned char o_events = anfd->events; |
765 | unsigned char o_events = anfd->events; |
616 | unsigned char o_reify = anfd->reify; |
766 | unsigned char o_reify = anfd->reify; |
617 | |
767 | |
618 | anfd->reify = 0; |
768 | anfd->reify = 0; |
619 | anfd->events = events; |
769 | anfd->events = events; |
620 | |
770 | |
621 | if (o_events != events || o_reify & EV_IOFDSET) |
771 | if (o_events != events || o_reify & EV__IOFDSET) |
622 | backend_modify (EV_A_ fd, o_events, events); |
772 | backend_modify (EV_A_ fd, o_events, events); |
623 | } |
773 | } |
624 | } |
774 | } |
625 | |
775 | |
626 | fdchangecnt = 0; |
776 | fdchangecnt = 0; |
… | |
… | |
668 | { |
818 | { |
669 | int fd; |
819 | int fd; |
670 | |
820 | |
671 | for (fd = 0; fd < anfdmax; ++fd) |
821 | for (fd = 0; fd < anfdmax; ++fd) |
672 | if (anfds [fd].events) |
822 | if (anfds [fd].events) |
673 | if (!fd_valid (fd) == -1 && errno == EBADF) |
823 | if (!fd_valid (fd) && errno == EBADF) |
674 | fd_kill (EV_A_ fd); |
824 | fd_kill (EV_A_ fd); |
675 | } |
825 | } |
676 | |
826 | |
677 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
827 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
678 | static void noinline |
828 | static void noinline |
… | |
… | |
696 | |
846 | |
697 | for (fd = 0; fd < anfdmax; ++fd) |
847 | for (fd = 0; fd < anfdmax; ++fd) |
698 | if (anfds [fd].events) |
848 | if (anfds [fd].events) |
699 | { |
849 | { |
700 | anfds [fd].events = 0; |
850 | anfds [fd].events = 0; |
|
|
851 | anfds [fd].emask = 0; |
701 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
852 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
702 | } |
853 | } |
703 | } |
854 | } |
704 | |
855 | |
705 | /*****************************************************************************/ |
856 | /*****************************************************************************/ |
706 | |
857 | |
|
|
858 | /* |
|
|
859 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
860 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
861 | * the branching factor of the d-tree. |
|
|
862 | */ |
|
|
863 | |
|
|
864 | /* |
|
|
865 | * at the moment we allow libev the luxury of two heaps, |
|
|
866 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
867 | * which is more cache-efficient. |
|
|
868 | * the difference is about 5% with 50000+ watchers. |
|
|
869 | */ |
|
|
870 | #if EV_USE_4HEAP |
|
|
871 | |
|
|
872 | #define DHEAP 4 |
|
|
873 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
874 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
875 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
876 | |
|
|
877 | /* away from the root */ |
707 | void inline_speed |
878 | void inline_speed |
708 | upheap (WT *heap, int k) |
879 | downheap (ANHE *heap, int N, int k) |
709 | { |
880 | { |
710 | WT w = heap [k]; |
881 | ANHE he = heap [k]; |
|
|
882 | ANHE *E = heap + N + HEAP0; |
711 | |
883 | |
712 | while (k) |
884 | for (;;) |
713 | { |
885 | { |
714 | int p = (k - 1) >> 1; |
886 | ev_tstamp minat; |
|
|
887 | ANHE *minpos; |
|
|
888 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
715 | |
889 | |
716 | if (heap [p]->at <= w->at) |
890 | /* find minimum child */ |
|
|
891 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
892 | { |
|
|
893 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
894 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
895 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
896 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
897 | } |
|
|
898 | else if (pos < E) |
|
|
899 | { |
|
|
900 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
901 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
902 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
903 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
904 | } |
|
|
905 | else |
717 | break; |
906 | break; |
718 | |
907 | |
|
|
908 | if (ANHE_at (he) <= minat) |
|
|
909 | break; |
|
|
910 | |
|
|
911 | heap [k] = *minpos; |
|
|
912 | ev_active (ANHE_w (*minpos)) = k; |
|
|
913 | |
|
|
914 | k = minpos - heap; |
|
|
915 | } |
|
|
916 | |
|
|
917 | heap [k] = he; |
|
|
918 | ev_active (ANHE_w (he)) = k; |
|
|
919 | } |
|
|
920 | |
|
|
921 | #else /* 4HEAP */ |
|
|
922 | |
|
|
923 | #define HEAP0 1 |
|
|
924 | #define HPARENT(k) ((k) >> 1) |
|
|
925 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
926 | |
|
|
927 | /* away from the root */ |
|
|
928 | void inline_speed |
|
|
929 | downheap (ANHE *heap, int N, int k) |
|
|
930 | { |
|
|
931 | ANHE he = heap [k]; |
|
|
932 | |
|
|
933 | for (;;) |
|
|
934 | { |
|
|
935 | int c = k << 1; |
|
|
936 | |
|
|
937 | if (c > N + HEAP0 - 1) |
|
|
938 | break; |
|
|
939 | |
|
|
940 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
941 | ? 1 : 0; |
|
|
942 | |
|
|
943 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
944 | break; |
|
|
945 | |
|
|
946 | heap [k] = heap [c]; |
|
|
947 | ev_active (ANHE_w (heap [k])) = k; |
|
|
948 | |
|
|
949 | k = c; |
|
|
950 | } |
|
|
951 | |
|
|
952 | heap [k] = he; |
|
|
953 | ev_active (ANHE_w (he)) = k; |
|
|
954 | } |
|
|
955 | #endif |
|
|
956 | |
|
|
957 | /* towards the root */ |
|
|
958 | void inline_speed |
|
|
959 | upheap (ANHE *heap, int k) |
|
|
960 | { |
|
|
961 | ANHE he = heap [k]; |
|
|
962 | |
|
|
963 | for (;;) |
|
|
964 | { |
|
|
965 | int p = HPARENT (k); |
|
|
966 | |
|
|
967 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
968 | break; |
|
|
969 | |
719 | heap [k] = heap [p]; |
970 | heap [k] = heap [p]; |
720 | ((W)heap [k])->active = k + 1; |
971 | ev_active (ANHE_w (heap [k])) = k; |
721 | k = p; |
972 | k = p; |
722 | } |
973 | } |
723 | |
974 | |
724 | heap [k] = w; |
975 | heap [k] = he; |
725 | ((W)heap [k])->active = k + 1; |
976 | 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 | } |
977 | } |
755 | |
978 | |
756 | void inline_size |
979 | void inline_size |
757 | adjustheap (WT *heap, int N, int k) |
980 | adjustheap (ANHE *heap, int N, int k) |
758 | { |
981 | { |
|
|
982 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
759 | upheap (heap, k); |
983 | upheap (heap, k); |
|
|
984 | else |
760 | downheap (heap, N, k); |
985 | downheap (heap, N, k); |
|
|
986 | } |
|
|
987 | |
|
|
988 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
989 | void inline_size |
|
|
990 | reheap (ANHE *heap, int N) |
|
|
991 | { |
|
|
992 | int i; |
|
|
993 | |
|
|
994 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
995 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
996 | for (i = 0; i < N; ++i) |
|
|
997 | upheap (heap, i + HEAP0); |
761 | } |
998 | } |
762 | |
999 | |
763 | /*****************************************************************************/ |
1000 | /*****************************************************************************/ |
764 | |
1001 | |
765 | typedef struct |
1002 | typedef struct |
… | |
… | |
771 | static ANSIG *signals; |
1008 | static ANSIG *signals; |
772 | static int signalmax; |
1009 | static int signalmax; |
773 | |
1010 | |
774 | static EV_ATOMIC_T gotsig; |
1011 | static EV_ATOMIC_T gotsig; |
775 | |
1012 | |
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 | /*****************************************************************************/ |
1013 | /*****************************************************************************/ |
789 | |
1014 | |
790 | void inline_speed |
1015 | void inline_speed |
791 | fd_intern (int fd) |
1016 | fd_intern (int fd) |
792 | { |
1017 | { |
793 | #ifdef _WIN32 |
1018 | #ifdef _WIN32 |
794 | int arg = 1; |
1019 | unsigned long arg = 1; |
795 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1020 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
796 | #else |
1021 | #else |
797 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1022 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
798 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1023 | fcntl (fd, F_SETFL, O_NONBLOCK); |
799 | #endif |
1024 | #endif |
… | |
… | |
802 | static void noinline |
1027 | static void noinline |
803 | evpipe_init (EV_P) |
1028 | evpipe_init (EV_P) |
804 | { |
1029 | { |
805 | if (!ev_is_active (&pipeev)) |
1030 | if (!ev_is_active (&pipeev)) |
806 | { |
1031 | { |
|
|
1032 | #if EV_USE_EVENTFD |
|
|
1033 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
1034 | { |
|
|
1035 | evpipe [0] = -1; |
|
|
1036 | fd_intern (evfd); |
|
|
1037 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
1038 | } |
|
|
1039 | else |
|
|
1040 | #endif |
|
|
1041 | { |
807 | while (pipe (evpipe)) |
1042 | while (pipe (evpipe)) |
808 | syserr ("(libev) error creating signal/async pipe"); |
1043 | ev_syserr ("(libev) error creating signal/async pipe"); |
809 | |
1044 | |
810 | fd_intern (evpipe [0]); |
1045 | fd_intern (evpipe [0]); |
811 | fd_intern (evpipe [1]); |
1046 | fd_intern (evpipe [1]); |
812 | |
|
|
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1047 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
1048 | } |
|
|
1049 | |
814 | ev_io_start (EV_A_ &pipeev); |
1050 | ev_io_start (EV_A_ &pipeev); |
815 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1051 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
816 | } |
1052 | } |
817 | } |
1053 | } |
818 | |
1054 | |
… | |
… | |
822 | if (!*flag) |
1058 | if (!*flag) |
823 | { |
1059 | { |
824 | int old_errno = errno; /* save errno because write might clobber it */ |
1060 | int old_errno = errno; /* save errno because write might clobber it */ |
825 | |
1061 | |
826 | *flag = 1; |
1062 | *flag = 1; |
|
|
1063 | |
|
|
1064 | #if EV_USE_EVENTFD |
|
|
1065 | if (evfd >= 0) |
|
|
1066 | { |
|
|
1067 | uint64_t counter = 1; |
|
|
1068 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1069 | } |
|
|
1070 | else |
|
|
1071 | #endif |
827 | write (evpipe [1], &old_errno, 1); |
1072 | write (evpipe [1], &old_errno, 1); |
828 | |
1073 | |
829 | errno = old_errno; |
1074 | errno = old_errno; |
830 | } |
1075 | } |
831 | } |
1076 | } |
832 | |
1077 | |
833 | static void |
1078 | static void |
834 | pipecb (EV_P_ ev_io *iow, int revents) |
1079 | pipecb (EV_P_ ev_io *iow, int revents) |
835 | { |
1080 | { |
|
|
1081 | #if EV_USE_EVENTFD |
|
|
1082 | if (evfd >= 0) |
836 | { |
1083 | { |
837 | int dummy; |
1084 | uint64_t counter; |
|
|
1085 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1086 | } |
|
|
1087 | else |
|
|
1088 | #endif |
|
|
1089 | { |
|
|
1090 | char dummy; |
838 | read (evpipe [0], &dummy, 1); |
1091 | read (evpipe [0], &dummy, 1); |
839 | } |
1092 | } |
840 | |
1093 | |
841 | if (gotsig && ev_is_default_loop (EV_A)) |
1094 | if (gotsig && ev_is_default_loop (EV_A)) |
842 | { |
1095 | { |
843 | int signum; |
1096 | int signum; |
844 | gotsig = 0; |
1097 | gotsig = 0; |
… | |
… | |
885 | ev_feed_signal_event (EV_P_ int signum) |
1138 | ev_feed_signal_event (EV_P_ int signum) |
886 | { |
1139 | { |
887 | WL w; |
1140 | WL w; |
888 | |
1141 | |
889 | #if EV_MULTIPLICITY |
1142 | #if EV_MULTIPLICITY |
890 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1143 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
891 | #endif |
1144 | #endif |
892 | |
1145 | |
893 | --signum; |
1146 | --signum; |
894 | |
1147 | |
895 | if (signum < 0 || signum >= signalmax) |
1148 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
1024 | /* kqueue is borked on everything but netbsd apparently */ |
1277 | /* kqueue is borked on everything but netbsd apparently */ |
1025 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1278 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1026 | flags &= ~EVBACKEND_KQUEUE; |
1279 | flags &= ~EVBACKEND_KQUEUE; |
1027 | #endif |
1280 | #endif |
1028 | #ifdef __APPLE__ |
1281 | #ifdef __APPLE__ |
1029 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1282 | /* only select works correctly on that "unix-certified" platform */ |
1030 | flags &= ~EVBACKEND_POLL; |
1283 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1284 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1031 | #endif |
1285 | #endif |
1032 | |
1286 | |
1033 | return flags; |
1287 | return flags; |
1034 | } |
1288 | } |
1035 | |
1289 | |
… | |
… | |
1072 | static void noinline |
1326 | static void noinline |
1073 | loop_init (EV_P_ unsigned int flags) |
1327 | loop_init (EV_P_ unsigned int flags) |
1074 | { |
1328 | { |
1075 | if (!backend) |
1329 | if (!backend) |
1076 | { |
1330 | { |
|
|
1331 | #if EV_USE_REALTIME |
|
|
1332 | if (!have_realtime) |
|
|
1333 | { |
|
|
1334 | struct timespec ts; |
|
|
1335 | |
|
|
1336 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1337 | have_realtime = 1; |
|
|
1338 | } |
|
|
1339 | #endif |
|
|
1340 | |
1077 | #if EV_USE_MONOTONIC |
1341 | #if EV_USE_MONOTONIC |
|
|
1342 | if (!have_monotonic) |
1078 | { |
1343 | { |
1079 | struct timespec ts; |
1344 | struct timespec ts; |
|
|
1345 | |
1080 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1346 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1081 | have_monotonic = 1; |
1347 | have_monotonic = 1; |
1082 | } |
1348 | } |
1083 | #endif |
1349 | #endif |
1084 | |
1350 | |
1085 | ev_rt_now = ev_time (); |
1351 | ev_rt_now = ev_time (); |
1086 | mn_now = get_clock (); |
1352 | mn_now = get_clock (); |
1087 | now_floor = mn_now; |
1353 | now_floor = mn_now; |
… | |
… | |
1105 | if (!(flags & EVFLAG_NOENV) |
1371 | if (!(flags & EVFLAG_NOENV) |
1106 | && !enable_secure () |
1372 | && !enable_secure () |
1107 | && getenv ("LIBEV_FLAGS")) |
1373 | && getenv ("LIBEV_FLAGS")) |
1108 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1374 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1109 | |
1375 | |
1110 | if (!(flags & 0x0000ffffUL)) |
1376 | if (!(flags & 0x0000ffffU)) |
1111 | flags |= ev_recommended_backends (); |
1377 | flags |= ev_recommended_backends (); |
1112 | |
1378 | |
1113 | #if EV_USE_PORT |
1379 | #if EV_USE_PORT |
1114 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1380 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1115 | #endif |
1381 | #endif |
… | |
… | |
1139 | if (ev_is_active (&pipeev)) |
1405 | if (ev_is_active (&pipeev)) |
1140 | { |
1406 | { |
1141 | ev_ref (EV_A); /* signal watcher */ |
1407 | ev_ref (EV_A); /* signal watcher */ |
1142 | ev_io_stop (EV_A_ &pipeev); |
1408 | ev_io_stop (EV_A_ &pipeev); |
1143 | |
1409 | |
1144 | close (evpipe [0]); evpipe [0] = 0; |
1410 | #if EV_USE_EVENTFD |
1145 | close (evpipe [1]); evpipe [1] = 0; |
1411 | if (evfd >= 0) |
|
|
1412 | close (evfd); |
|
|
1413 | #endif |
|
|
1414 | |
|
|
1415 | if (evpipe [0] >= 0) |
|
|
1416 | { |
|
|
1417 | close (evpipe [0]); |
|
|
1418 | close (evpipe [1]); |
|
|
1419 | } |
1146 | } |
1420 | } |
1147 | |
1421 | |
1148 | #if EV_USE_INOTIFY |
1422 | #if EV_USE_INOTIFY |
1149 | if (fs_fd >= 0) |
1423 | if (fs_fd >= 0) |
1150 | close (fs_fd); |
1424 | close (fs_fd); |
… | |
… | |
1195 | #endif |
1469 | #endif |
1196 | |
1470 | |
1197 | backend = 0; |
1471 | backend = 0; |
1198 | } |
1472 | } |
1199 | |
1473 | |
|
|
1474 | #if EV_USE_INOTIFY |
1200 | void inline_size infy_fork (EV_P); |
1475 | void inline_size infy_fork (EV_P); |
|
|
1476 | #endif |
1201 | |
1477 | |
1202 | void inline_size |
1478 | void inline_size |
1203 | loop_fork (EV_P) |
1479 | loop_fork (EV_P) |
1204 | { |
1480 | { |
1205 | #if EV_USE_PORT |
1481 | #if EV_USE_PORT |
… | |
… | |
1224 | gotasync = 1; |
1500 | gotasync = 1; |
1225 | #endif |
1501 | #endif |
1226 | |
1502 | |
1227 | ev_ref (EV_A); |
1503 | ev_ref (EV_A); |
1228 | ev_io_stop (EV_A_ &pipeev); |
1504 | ev_io_stop (EV_A_ &pipeev); |
|
|
1505 | |
|
|
1506 | #if EV_USE_EVENTFD |
|
|
1507 | if (evfd >= 0) |
|
|
1508 | close (evfd); |
|
|
1509 | #endif |
|
|
1510 | |
|
|
1511 | if (evpipe [0] >= 0) |
|
|
1512 | { |
1229 | close (evpipe [0]); |
1513 | close (evpipe [0]); |
1230 | close (evpipe [1]); |
1514 | close (evpipe [1]); |
|
|
1515 | } |
1231 | |
1516 | |
1232 | evpipe_init (EV_A); |
1517 | evpipe_init (EV_A); |
1233 | /* now iterate over everything, in case we missed something */ |
1518 | /* now iterate over everything, in case we missed something */ |
1234 | pipecb (EV_A_ &pipeev, EV_READ); |
1519 | pipecb (EV_A_ &pipeev, EV_READ); |
1235 | } |
1520 | } |
1236 | |
1521 | |
1237 | postfork = 0; |
1522 | postfork = 0; |
1238 | } |
1523 | } |
1239 | |
1524 | |
1240 | #if EV_MULTIPLICITY |
1525 | #if EV_MULTIPLICITY |
|
|
1526 | |
1241 | struct ev_loop * |
1527 | struct ev_loop * |
1242 | ev_loop_new (unsigned int flags) |
1528 | ev_loop_new (unsigned int flags) |
1243 | { |
1529 | { |
1244 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1530 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1245 | |
1531 | |
… | |
… | |
1264 | ev_loop_fork (EV_P) |
1550 | ev_loop_fork (EV_P) |
1265 | { |
1551 | { |
1266 | postfork = 1; /* must be in line with ev_default_fork */ |
1552 | postfork = 1; /* must be in line with ev_default_fork */ |
1267 | } |
1553 | } |
1268 | |
1554 | |
|
|
1555 | #if EV_VERIFY |
|
|
1556 | static void noinline |
|
|
1557 | verify_watcher (EV_P_ W w) |
|
|
1558 | { |
|
|
1559 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1560 | |
|
|
1561 | if (w->pending) |
|
|
1562 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1563 | } |
|
|
1564 | |
|
|
1565 | static void noinline |
|
|
1566 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1567 | { |
|
|
1568 | int i; |
|
|
1569 | |
|
|
1570 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1571 | { |
|
|
1572 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1573 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1574 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1575 | |
|
|
1576 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1577 | } |
|
|
1578 | } |
|
|
1579 | |
|
|
1580 | static void noinline |
|
|
1581 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1582 | { |
|
|
1583 | while (cnt--) |
|
|
1584 | { |
|
|
1585 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1586 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1587 | } |
|
|
1588 | } |
|
|
1589 | #endif |
|
|
1590 | |
|
|
1591 | void |
|
|
1592 | ev_loop_verify (EV_P) |
|
|
1593 | { |
|
|
1594 | #if EV_VERIFY |
|
|
1595 | int i; |
|
|
1596 | WL w; |
|
|
1597 | |
|
|
1598 | assert (activecnt >= -1); |
|
|
1599 | |
|
|
1600 | assert (fdchangemax >= fdchangecnt); |
|
|
1601 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1602 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1603 | |
|
|
1604 | assert (anfdmax >= 0); |
|
|
1605 | for (i = 0; i < anfdmax; ++i) |
|
|
1606 | for (w = anfds [i].head; w; w = w->next) |
|
|
1607 | { |
|
|
1608 | verify_watcher (EV_A_ (W)w); |
|
|
1609 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1610 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1611 | } |
|
|
1612 | |
|
|
1613 | assert (timermax >= timercnt); |
|
|
1614 | verify_heap (EV_A_ timers, timercnt); |
|
|
1615 | |
|
|
1616 | #if EV_PERIODIC_ENABLE |
|
|
1617 | assert (periodicmax >= periodiccnt); |
|
|
1618 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1619 | #endif |
|
|
1620 | |
|
|
1621 | for (i = NUMPRI; i--; ) |
|
|
1622 | { |
|
|
1623 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1624 | #if EV_IDLE_ENABLE |
|
|
1625 | assert (idleall >= 0); |
|
|
1626 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1627 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1628 | #endif |
|
|
1629 | } |
|
|
1630 | |
|
|
1631 | #if EV_FORK_ENABLE |
|
|
1632 | assert (forkmax >= forkcnt); |
|
|
1633 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1634 | #endif |
|
|
1635 | |
|
|
1636 | #if EV_ASYNC_ENABLE |
|
|
1637 | assert (asyncmax >= asynccnt); |
|
|
1638 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1639 | #endif |
|
|
1640 | |
|
|
1641 | assert (preparemax >= preparecnt); |
|
|
1642 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1643 | |
|
|
1644 | assert (checkmax >= checkcnt); |
|
|
1645 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1646 | |
|
|
1647 | # if 0 |
|
|
1648 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1649 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1269 | #endif |
1650 | # endif |
|
|
1651 | #endif |
|
|
1652 | } |
|
|
1653 | |
|
|
1654 | #endif /* multiplicity */ |
1270 | |
1655 | |
1271 | #if EV_MULTIPLICITY |
1656 | #if EV_MULTIPLICITY |
1272 | struct ev_loop * |
1657 | struct ev_loop * |
1273 | ev_default_loop_init (unsigned int flags) |
1658 | ev_default_loop_init (unsigned int flags) |
1274 | #else |
1659 | #else |
… | |
… | |
1307 | { |
1692 | { |
1308 | #if EV_MULTIPLICITY |
1693 | #if EV_MULTIPLICITY |
1309 | struct ev_loop *loop = ev_default_loop_ptr; |
1694 | struct ev_loop *loop = ev_default_loop_ptr; |
1310 | #endif |
1695 | #endif |
1311 | |
1696 | |
|
|
1697 | ev_default_loop_ptr = 0; |
|
|
1698 | |
1312 | #ifndef _WIN32 |
1699 | #ifndef _WIN32 |
1313 | ev_ref (EV_A); /* child watcher */ |
1700 | ev_ref (EV_A); /* child watcher */ |
1314 | ev_signal_stop (EV_A_ &childev); |
1701 | ev_signal_stop (EV_A_ &childev); |
1315 | #endif |
1702 | #endif |
1316 | |
1703 | |
… | |
… | |
1322 | { |
1709 | { |
1323 | #if EV_MULTIPLICITY |
1710 | #if EV_MULTIPLICITY |
1324 | struct ev_loop *loop = ev_default_loop_ptr; |
1711 | struct ev_loop *loop = ev_default_loop_ptr; |
1325 | #endif |
1712 | #endif |
1326 | |
1713 | |
1327 | if (backend) |
|
|
1328 | postfork = 1; /* must be in line with ev_loop_fork */ |
1714 | postfork = 1; /* must be in line with ev_loop_fork */ |
1329 | } |
1715 | } |
1330 | |
1716 | |
1331 | /*****************************************************************************/ |
1717 | /*****************************************************************************/ |
1332 | |
1718 | |
1333 | void |
1719 | void |
… | |
… | |
1346 | { |
1732 | { |
1347 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1733 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1348 | |
1734 | |
1349 | if (expect_true (p->w)) |
1735 | if (expect_true (p->w)) |
1350 | { |
1736 | { |
1351 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1737 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
1352 | |
1738 | |
1353 | p->w->pending = 0; |
1739 | p->w->pending = 0; |
1354 | EV_CB_INVOKE (p->w, p->events); |
1740 | EV_CB_INVOKE (p->w, p->events); |
|
|
1741 | EV_FREQUENT_CHECK; |
1355 | } |
1742 | } |
1356 | } |
1743 | } |
1357 | } |
1744 | } |
1358 | |
|
|
1359 | void inline_size |
|
|
1360 | timers_reify (EV_P) |
|
|
1361 | { |
|
|
1362 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1363 | { |
|
|
1364 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1365 | |
|
|
1366 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1367 | |
|
|
1368 | /* first reschedule or stop timer */ |
|
|
1369 | if (w->repeat) |
|
|
1370 | { |
|
|
1371 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1372 | |
|
|
1373 | ((WT)w)->at += w->repeat; |
|
|
1374 | if (((WT)w)->at < mn_now) |
|
|
1375 | ((WT)w)->at = mn_now; |
|
|
1376 | |
|
|
1377 | downheap (timers, timercnt, 0); |
|
|
1378 | } |
|
|
1379 | else |
|
|
1380 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1381 | |
|
|
1382 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1383 | } |
|
|
1384 | } |
|
|
1385 | |
|
|
1386 | #if EV_PERIODIC_ENABLE |
|
|
1387 | void inline_size |
|
|
1388 | periodics_reify (EV_P) |
|
|
1389 | { |
|
|
1390 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1391 | { |
|
|
1392 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1393 | |
|
|
1394 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1395 | |
|
|
1396 | /* first reschedule or stop timer */ |
|
|
1397 | if (w->reschedule_cb) |
|
|
1398 | { |
|
|
1399 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1400 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1401 | downheap (periodics, periodiccnt, 0); |
|
|
1402 | } |
|
|
1403 | else if (w->interval) |
|
|
1404 | { |
|
|
1405 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1406 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1407 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1408 | downheap (periodics, periodiccnt, 0); |
|
|
1409 | } |
|
|
1410 | else |
|
|
1411 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1412 | |
|
|
1413 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1414 | } |
|
|
1415 | } |
|
|
1416 | |
|
|
1417 | static void noinline |
|
|
1418 | periodics_reschedule (EV_P) |
|
|
1419 | { |
|
|
1420 | int i; |
|
|
1421 | |
|
|
1422 | /* adjust periodics after time jump */ |
|
|
1423 | for (i = 0; i < periodiccnt; ++i) |
|
|
1424 | { |
|
|
1425 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1426 | |
|
|
1427 | if (w->reschedule_cb) |
|
|
1428 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1429 | else if (w->interval) |
|
|
1430 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1431 | } |
|
|
1432 | |
|
|
1433 | /* now rebuild the heap */ |
|
|
1434 | for (i = periodiccnt >> 1; i--; ) |
|
|
1435 | downheap (periodics, periodiccnt, i); |
|
|
1436 | } |
|
|
1437 | #endif |
|
|
1438 | |
1745 | |
1439 | #if EV_IDLE_ENABLE |
1746 | #if EV_IDLE_ENABLE |
1440 | void inline_size |
1747 | void inline_size |
1441 | idle_reify (EV_P) |
1748 | idle_reify (EV_P) |
1442 | { |
1749 | { |
… | |
… | |
1454 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1761 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1455 | break; |
1762 | break; |
1456 | } |
1763 | } |
1457 | } |
1764 | } |
1458 | } |
1765 | } |
|
|
1766 | } |
|
|
1767 | #endif |
|
|
1768 | |
|
|
1769 | void inline_size |
|
|
1770 | timers_reify (EV_P) |
|
|
1771 | { |
|
|
1772 | EV_FREQUENT_CHECK; |
|
|
1773 | |
|
|
1774 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1775 | { |
|
|
1776 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1777 | |
|
|
1778 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1779 | |
|
|
1780 | /* first reschedule or stop timer */ |
|
|
1781 | if (w->repeat) |
|
|
1782 | { |
|
|
1783 | ev_at (w) += w->repeat; |
|
|
1784 | if (ev_at (w) < mn_now) |
|
|
1785 | ev_at (w) = mn_now; |
|
|
1786 | |
|
|
1787 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1788 | |
|
|
1789 | ANHE_at_cache (timers [HEAP0]); |
|
|
1790 | downheap (timers, timercnt, HEAP0); |
|
|
1791 | } |
|
|
1792 | else |
|
|
1793 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1794 | |
|
|
1795 | EV_FREQUENT_CHECK; |
|
|
1796 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1797 | } |
|
|
1798 | } |
|
|
1799 | |
|
|
1800 | #if EV_PERIODIC_ENABLE |
|
|
1801 | void inline_size |
|
|
1802 | periodics_reify (EV_P) |
|
|
1803 | { |
|
|
1804 | EV_FREQUENT_CHECK; |
|
|
1805 | |
|
|
1806 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1807 | { |
|
|
1808 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1809 | |
|
|
1810 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1811 | |
|
|
1812 | /* first reschedule or stop timer */ |
|
|
1813 | if (w->reschedule_cb) |
|
|
1814 | { |
|
|
1815 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1816 | |
|
|
1817 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1818 | |
|
|
1819 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1820 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1821 | } |
|
|
1822 | else if (w->interval) |
|
|
1823 | { |
|
|
1824 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1825 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1826 | /* this might happen because of floating point inexactness */ |
|
|
1827 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1828 | { |
|
|
1829 | ev_at (w) += w->interval; |
|
|
1830 | |
|
|
1831 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1832 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1833 | /* has effectively asked to get triggered more often than possible */ |
|
|
1834 | if (ev_at (w) < ev_rt_now) |
|
|
1835 | ev_at (w) = ev_rt_now; |
|
|
1836 | } |
|
|
1837 | |
|
|
1838 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1839 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1840 | } |
|
|
1841 | else |
|
|
1842 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1843 | |
|
|
1844 | EV_FREQUENT_CHECK; |
|
|
1845 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1846 | } |
|
|
1847 | } |
|
|
1848 | |
|
|
1849 | static void noinline |
|
|
1850 | periodics_reschedule (EV_P) |
|
|
1851 | { |
|
|
1852 | int i; |
|
|
1853 | |
|
|
1854 | /* adjust periodics after time jump */ |
|
|
1855 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1856 | { |
|
|
1857 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1858 | |
|
|
1859 | if (w->reschedule_cb) |
|
|
1860 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1861 | else if (w->interval) |
|
|
1862 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1863 | |
|
|
1864 | ANHE_at_cache (periodics [i]); |
|
|
1865 | } |
|
|
1866 | |
|
|
1867 | reheap (periodics, periodiccnt); |
1459 | } |
1868 | } |
1460 | #endif |
1869 | #endif |
1461 | |
1870 | |
1462 | void inline_speed |
1871 | void inline_speed |
1463 | time_update (EV_P_ ev_tstamp max_block) |
1872 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1492 | */ |
1901 | */ |
1493 | for (i = 4; --i; ) |
1902 | for (i = 4; --i; ) |
1494 | { |
1903 | { |
1495 | rtmn_diff = ev_rt_now - mn_now; |
1904 | rtmn_diff = ev_rt_now - mn_now; |
1496 | |
1905 | |
1497 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1906 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1498 | return; /* all is well */ |
1907 | return; /* all is well */ |
1499 | |
1908 | |
1500 | ev_rt_now = ev_time (); |
1909 | ev_rt_now = ev_time (); |
1501 | mn_now = get_clock (); |
1910 | mn_now = get_clock (); |
1502 | now_floor = mn_now; |
1911 | now_floor = mn_now; |
… | |
… | |
1518 | #if EV_PERIODIC_ENABLE |
1927 | #if EV_PERIODIC_ENABLE |
1519 | periodics_reschedule (EV_A); |
1928 | periodics_reschedule (EV_A); |
1520 | #endif |
1929 | #endif |
1521 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1930 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1522 | for (i = 0; i < timercnt; ++i) |
1931 | for (i = 0; i < timercnt; ++i) |
|
|
1932 | { |
|
|
1933 | ANHE *he = timers + i + HEAP0; |
1523 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1934 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1935 | ANHE_at_cache (*he); |
|
|
1936 | } |
1524 | } |
1937 | } |
1525 | |
1938 | |
1526 | mn_now = ev_rt_now; |
1939 | mn_now = ev_rt_now; |
1527 | } |
1940 | } |
1528 | } |
1941 | } |
… | |
… | |
1537 | ev_unref (EV_P) |
1950 | ev_unref (EV_P) |
1538 | { |
1951 | { |
1539 | --activecnt; |
1952 | --activecnt; |
1540 | } |
1953 | } |
1541 | |
1954 | |
|
|
1955 | void |
|
|
1956 | ev_now_update (EV_P) |
|
|
1957 | { |
|
|
1958 | time_update (EV_A_ 1e100); |
|
|
1959 | } |
|
|
1960 | |
1542 | static int loop_done; |
1961 | static int loop_done; |
1543 | |
1962 | |
1544 | void |
1963 | void |
1545 | ev_loop (EV_P_ int flags) |
1964 | ev_loop (EV_P_ int flags) |
1546 | { |
1965 | { |
1547 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1966 | loop_done = EVUNLOOP_CANCEL; |
1548 | ? EVUNLOOP_ONE |
|
|
1549 | : EVUNLOOP_CANCEL; |
|
|
1550 | |
1967 | |
1551 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1968 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1552 | |
1969 | |
1553 | do |
1970 | do |
1554 | { |
1971 | { |
|
|
1972 | #if EV_VERIFY >= 2 |
|
|
1973 | ev_loop_verify (EV_A); |
|
|
1974 | #endif |
|
|
1975 | |
1555 | #ifndef _WIN32 |
1976 | #ifndef _WIN32 |
1556 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1977 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1557 | if (expect_false (getpid () != curpid)) |
1978 | if (expect_false (getpid () != curpid)) |
1558 | { |
1979 | { |
1559 | curpid = getpid (); |
1980 | curpid = getpid (); |
… | |
… | |
1600 | |
2021 | |
1601 | waittime = MAX_BLOCKTIME; |
2022 | waittime = MAX_BLOCKTIME; |
1602 | |
2023 | |
1603 | if (timercnt) |
2024 | if (timercnt) |
1604 | { |
2025 | { |
1605 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
2026 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1606 | if (waittime > to) waittime = to; |
2027 | if (waittime > to) waittime = to; |
1607 | } |
2028 | } |
1608 | |
2029 | |
1609 | #if EV_PERIODIC_ENABLE |
2030 | #if EV_PERIODIC_ENABLE |
1610 | if (periodiccnt) |
2031 | if (periodiccnt) |
1611 | { |
2032 | { |
1612 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
2033 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1613 | if (waittime > to) waittime = to; |
2034 | if (waittime > to) waittime = to; |
1614 | } |
2035 | } |
1615 | #endif |
2036 | #endif |
1616 | |
2037 | |
1617 | if (expect_false (waittime < timeout_blocktime)) |
2038 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1650 | /* queue check watchers, to be executed first */ |
2071 | /* queue check watchers, to be executed first */ |
1651 | if (expect_false (checkcnt)) |
2072 | if (expect_false (checkcnt)) |
1652 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2073 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1653 | |
2074 | |
1654 | call_pending (EV_A); |
2075 | call_pending (EV_A); |
1655 | |
|
|
1656 | } |
2076 | } |
1657 | while (expect_true (activecnt && !loop_done)); |
2077 | while (expect_true ( |
|
|
2078 | activecnt |
|
|
2079 | && !loop_done |
|
|
2080 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
2081 | )); |
1658 | |
2082 | |
1659 | if (loop_done == EVUNLOOP_ONE) |
2083 | if (loop_done == EVUNLOOP_ONE) |
1660 | loop_done = EVUNLOOP_CANCEL; |
2084 | loop_done = EVUNLOOP_CANCEL; |
1661 | } |
2085 | } |
1662 | |
2086 | |
… | |
… | |
1749 | int fd = w->fd; |
2173 | int fd = w->fd; |
1750 | |
2174 | |
1751 | if (expect_false (ev_is_active (w))) |
2175 | if (expect_false (ev_is_active (w))) |
1752 | return; |
2176 | return; |
1753 | |
2177 | |
1754 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2178 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2179 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2180 | |
|
|
2181 | EV_FREQUENT_CHECK; |
1755 | |
2182 | |
1756 | ev_start (EV_A_ (W)w, 1); |
2183 | ev_start (EV_A_ (W)w, 1); |
1757 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2184 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1758 | wlist_add (&anfds[fd].head, (WL)w); |
2185 | wlist_add (&anfds[fd].head, (WL)w); |
1759 | |
2186 | |
1760 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2187 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
1761 | w->events &= ~EV_IOFDSET; |
2188 | w->events &= ~EV__IOFDSET; |
|
|
2189 | |
|
|
2190 | EV_FREQUENT_CHECK; |
1762 | } |
2191 | } |
1763 | |
2192 | |
1764 | void noinline |
2193 | void noinline |
1765 | ev_io_stop (EV_P_ ev_io *w) |
2194 | ev_io_stop (EV_P_ ev_io *w) |
1766 | { |
2195 | { |
1767 | clear_pending (EV_A_ (W)w); |
2196 | clear_pending (EV_A_ (W)w); |
1768 | if (expect_false (!ev_is_active (w))) |
2197 | if (expect_false (!ev_is_active (w))) |
1769 | return; |
2198 | return; |
1770 | |
2199 | |
1771 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2200 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2201 | |
|
|
2202 | EV_FREQUENT_CHECK; |
1772 | |
2203 | |
1773 | wlist_del (&anfds[w->fd].head, (WL)w); |
2204 | wlist_del (&anfds[w->fd].head, (WL)w); |
1774 | ev_stop (EV_A_ (W)w); |
2205 | ev_stop (EV_A_ (W)w); |
1775 | |
2206 | |
1776 | fd_change (EV_A_ w->fd, 1); |
2207 | fd_change (EV_A_ w->fd, 1); |
|
|
2208 | |
|
|
2209 | EV_FREQUENT_CHECK; |
1777 | } |
2210 | } |
1778 | |
2211 | |
1779 | void noinline |
2212 | void noinline |
1780 | ev_timer_start (EV_P_ ev_timer *w) |
2213 | ev_timer_start (EV_P_ ev_timer *w) |
1781 | { |
2214 | { |
1782 | if (expect_false (ev_is_active (w))) |
2215 | if (expect_false (ev_is_active (w))) |
1783 | return; |
2216 | return; |
1784 | |
2217 | |
1785 | ((WT)w)->at += mn_now; |
2218 | ev_at (w) += mn_now; |
1786 | |
2219 | |
1787 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2220 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1788 | |
2221 | |
|
|
2222 | EV_FREQUENT_CHECK; |
|
|
2223 | |
|
|
2224 | ++timercnt; |
1789 | ev_start (EV_A_ (W)w, ++timercnt); |
2225 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1790 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2226 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1791 | timers [timercnt - 1] = (WT)w; |
2227 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1792 | upheap (timers, timercnt - 1); |
2228 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2229 | upheap (timers, ev_active (w)); |
1793 | |
2230 | |
|
|
2231 | EV_FREQUENT_CHECK; |
|
|
2232 | |
1794 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2233 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1795 | } |
2234 | } |
1796 | |
2235 | |
1797 | void noinline |
2236 | void noinline |
1798 | ev_timer_stop (EV_P_ ev_timer *w) |
2237 | ev_timer_stop (EV_P_ ev_timer *w) |
1799 | { |
2238 | { |
1800 | clear_pending (EV_A_ (W)w); |
2239 | clear_pending (EV_A_ (W)w); |
1801 | if (expect_false (!ev_is_active (w))) |
2240 | if (expect_false (!ev_is_active (w))) |
1802 | return; |
2241 | return; |
1803 | |
2242 | |
1804 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2243 | EV_FREQUENT_CHECK; |
1805 | |
2244 | |
1806 | { |
2245 | { |
1807 | int active = ((W)w)->active; |
2246 | int active = ev_active (w); |
1808 | |
2247 | |
|
|
2248 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2249 | |
|
|
2250 | --timercnt; |
|
|
2251 | |
1809 | if (expect_true (--active < --timercnt)) |
2252 | if (expect_true (active < timercnt + HEAP0)) |
1810 | { |
2253 | { |
1811 | timers [active] = timers [timercnt]; |
2254 | timers [active] = timers [timercnt + HEAP0]; |
1812 | adjustheap (timers, timercnt, active); |
2255 | adjustheap (timers, timercnt, active); |
1813 | } |
2256 | } |
1814 | } |
2257 | } |
1815 | |
2258 | |
1816 | ((WT)w)->at -= mn_now; |
2259 | EV_FREQUENT_CHECK; |
|
|
2260 | |
|
|
2261 | ev_at (w) -= mn_now; |
1817 | |
2262 | |
1818 | ev_stop (EV_A_ (W)w); |
2263 | ev_stop (EV_A_ (W)w); |
1819 | } |
2264 | } |
1820 | |
2265 | |
1821 | void noinline |
2266 | void noinline |
1822 | ev_timer_again (EV_P_ ev_timer *w) |
2267 | ev_timer_again (EV_P_ ev_timer *w) |
1823 | { |
2268 | { |
|
|
2269 | EV_FREQUENT_CHECK; |
|
|
2270 | |
1824 | if (ev_is_active (w)) |
2271 | if (ev_is_active (w)) |
1825 | { |
2272 | { |
1826 | if (w->repeat) |
2273 | if (w->repeat) |
1827 | { |
2274 | { |
1828 | ((WT)w)->at = mn_now + w->repeat; |
2275 | ev_at (w) = mn_now + w->repeat; |
|
|
2276 | ANHE_at_cache (timers [ev_active (w)]); |
1829 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2277 | adjustheap (timers, timercnt, ev_active (w)); |
1830 | } |
2278 | } |
1831 | else |
2279 | else |
1832 | ev_timer_stop (EV_A_ w); |
2280 | ev_timer_stop (EV_A_ w); |
1833 | } |
2281 | } |
1834 | else if (w->repeat) |
2282 | else if (w->repeat) |
1835 | { |
2283 | { |
1836 | w->at = w->repeat; |
2284 | ev_at (w) = w->repeat; |
1837 | ev_timer_start (EV_A_ w); |
2285 | ev_timer_start (EV_A_ w); |
1838 | } |
2286 | } |
|
|
2287 | |
|
|
2288 | EV_FREQUENT_CHECK; |
1839 | } |
2289 | } |
1840 | |
2290 | |
1841 | #if EV_PERIODIC_ENABLE |
2291 | #if EV_PERIODIC_ENABLE |
1842 | void noinline |
2292 | void noinline |
1843 | ev_periodic_start (EV_P_ ev_periodic *w) |
2293 | ev_periodic_start (EV_P_ ev_periodic *w) |
1844 | { |
2294 | { |
1845 | if (expect_false (ev_is_active (w))) |
2295 | if (expect_false (ev_is_active (w))) |
1846 | return; |
2296 | return; |
1847 | |
2297 | |
1848 | if (w->reschedule_cb) |
2298 | if (w->reschedule_cb) |
1849 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2299 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1850 | else if (w->interval) |
2300 | else if (w->interval) |
1851 | { |
2301 | { |
1852 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2302 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1853 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2303 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1854 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2304 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1855 | } |
2305 | } |
1856 | else |
2306 | else |
1857 | ((WT)w)->at = w->offset; |
2307 | ev_at (w) = w->offset; |
1858 | |
2308 | |
|
|
2309 | EV_FREQUENT_CHECK; |
|
|
2310 | |
|
|
2311 | ++periodiccnt; |
1859 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2312 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1860 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2313 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1861 | periodics [periodiccnt - 1] = (WT)w; |
2314 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1862 | upheap (periodics, periodiccnt - 1); |
2315 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2316 | upheap (periodics, ev_active (w)); |
1863 | |
2317 | |
|
|
2318 | EV_FREQUENT_CHECK; |
|
|
2319 | |
1864 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2320 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1865 | } |
2321 | } |
1866 | |
2322 | |
1867 | void noinline |
2323 | void noinline |
1868 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2324 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1869 | { |
2325 | { |
1870 | clear_pending (EV_A_ (W)w); |
2326 | clear_pending (EV_A_ (W)w); |
1871 | if (expect_false (!ev_is_active (w))) |
2327 | if (expect_false (!ev_is_active (w))) |
1872 | return; |
2328 | return; |
1873 | |
2329 | |
1874 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2330 | EV_FREQUENT_CHECK; |
1875 | |
2331 | |
1876 | { |
2332 | { |
1877 | int active = ((W)w)->active; |
2333 | int active = ev_active (w); |
1878 | |
2334 | |
|
|
2335 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2336 | |
|
|
2337 | --periodiccnt; |
|
|
2338 | |
1879 | if (expect_true (--active < --periodiccnt)) |
2339 | if (expect_true (active < periodiccnt + HEAP0)) |
1880 | { |
2340 | { |
1881 | periodics [active] = periodics [periodiccnt]; |
2341 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1882 | adjustheap (periodics, periodiccnt, active); |
2342 | adjustheap (periodics, periodiccnt, active); |
1883 | } |
2343 | } |
1884 | } |
2344 | } |
1885 | |
2345 | |
|
|
2346 | EV_FREQUENT_CHECK; |
|
|
2347 | |
1886 | ev_stop (EV_A_ (W)w); |
2348 | ev_stop (EV_A_ (W)w); |
1887 | } |
2349 | } |
1888 | |
2350 | |
1889 | void noinline |
2351 | void noinline |
1890 | ev_periodic_again (EV_P_ ev_periodic *w) |
2352 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1901 | |
2363 | |
1902 | void noinline |
2364 | void noinline |
1903 | ev_signal_start (EV_P_ ev_signal *w) |
2365 | ev_signal_start (EV_P_ ev_signal *w) |
1904 | { |
2366 | { |
1905 | #if EV_MULTIPLICITY |
2367 | #if EV_MULTIPLICITY |
1906 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2368 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1907 | #endif |
2369 | #endif |
1908 | if (expect_false (ev_is_active (w))) |
2370 | if (expect_false (ev_is_active (w))) |
1909 | return; |
2371 | return; |
1910 | |
2372 | |
1911 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2373 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
1912 | |
2374 | |
1913 | evpipe_init (EV_A); |
2375 | evpipe_init (EV_A); |
|
|
2376 | |
|
|
2377 | EV_FREQUENT_CHECK; |
1914 | |
2378 | |
1915 | { |
2379 | { |
1916 | #ifndef _WIN32 |
2380 | #ifndef _WIN32 |
1917 | sigset_t full, prev; |
2381 | sigset_t full, prev; |
1918 | sigfillset (&full); |
2382 | sigfillset (&full); |
1919 | sigprocmask (SIG_SETMASK, &full, &prev); |
2383 | sigprocmask (SIG_SETMASK, &full, &prev); |
1920 | #endif |
2384 | #endif |
1921 | |
2385 | |
1922 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2386 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
1923 | |
2387 | |
1924 | #ifndef _WIN32 |
2388 | #ifndef _WIN32 |
1925 | sigprocmask (SIG_SETMASK, &prev, 0); |
2389 | sigprocmask (SIG_SETMASK, &prev, 0); |
1926 | #endif |
2390 | #endif |
1927 | } |
2391 | } |
… | |
… | |
1939 | sigfillset (&sa.sa_mask); |
2403 | sigfillset (&sa.sa_mask); |
1940 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2404 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1941 | sigaction (w->signum, &sa, 0); |
2405 | sigaction (w->signum, &sa, 0); |
1942 | #endif |
2406 | #endif |
1943 | } |
2407 | } |
|
|
2408 | |
|
|
2409 | EV_FREQUENT_CHECK; |
1944 | } |
2410 | } |
1945 | |
2411 | |
1946 | void noinline |
2412 | void noinline |
1947 | ev_signal_stop (EV_P_ ev_signal *w) |
2413 | ev_signal_stop (EV_P_ ev_signal *w) |
1948 | { |
2414 | { |
1949 | clear_pending (EV_A_ (W)w); |
2415 | clear_pending (EV_A_ (W)w); |
1950 | if (expect_false (!ev_is_active (w))) |
2416 | if (expect_false (!ev_is_active (w))) |
1951 | return; |
2417 | return; |
1952 | |
2418 | |
|
|
2419 | EV_FREQUENT_CHECK; |
|
|
2420 | |
1953 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2421 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1954 | ev_stop (EV_A_ (W)w); |
2422 | ev_stop (EV_A_ (W)w); |
1955 | |
2423 | |
1956 | if (!signals [w->signum - 1].head) |
2424 | if (!signals [w->signum - 1].head) |
1957 | signal (w->signum, SIG_DFL); |
2425 | signal (w->signum, SIG_DFL); |
|
|
2426 | |
|
|
2427 | EV_FREQUENT_CHECK; |
1958 | } |
2428 | } |
1959 | |
2429 | |
1960 | void |
2430 | void |
1961 | ev_child_start (EV_P_ ev_child *w) |
2431 | ev_child_start (EV_P_ ev_child *w) |
1962 | { |
2432 | { |
1963 | #if EV_MULTIPLICITY |
2433 | #if EV_MULTIPLICITY |
1964 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2434 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1965 | #endif |
2435 | #endif |
1966 | if (expect_false (ev_is_active (w))) |
2436 | if (expect_false (ev_is_active (w))) |
1967 | return; |
2437 | return; |
1968 | |
2438 | |
|
|
2439 | EV_FREQUENT_CHECK; |
|
|
2440 | |
1969 | ev_start (EV_A_ (W)w, 1); |
2441 | ev_start (EV_A_ (W)w, 1); |
1970 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2442 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2443 | |
|
|
2444 | EV_FREQUENT_CHECK; |
1971 | } |
2445 | } |
1972 | |
2446 | |
1973 | void |
2447 | void |
1974 | ev_child_stop (EV_P_ ev_child *w) |
2448 | ev_child_stop (EV_P_ ev_child *w) |
1975 | { |
2449 | { |
1976 | clear_pending (EV_A_ (W)w); |
2450 | clear_pending (EV_A_ (W)w); |
1977 | if (expect_false (!ev_is_active (w))) |
2451 | if (expect_false (!ev_is_active (w))) |
1978 | return; |
2452 | return; |
1979 | |
2453 | |
|
|
2454 | EV_FREQUENT_CHECK; |
|
|
2455 | |
1980 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2456 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1981 | ev_stop (EV_A_ (W)w); |
2457 | ev_stop (EV_A_ (W)w); |
|
|
2458 | |
|
|
2459 | EV_FREQUENT_CHECK; |
1982 | } |
2460 | } |
1983 | |
2461 | |
1984 | #if EV_STAT_ENABLE |
2462 | #if EV_STAT_ENABLE |
1985 | |
2463 | |
1986 | # ifdef _WIN32 |
2464 | # ifdef _WIN32 |
1987 | # undef lstat |
2465 | # undef lstat |
1988 | # define lstat(a,b) _stati64 (a,b) |
2466 | # define lstat(a,b) _stati64 (a,b) |
1989 | # endif |
2467 | # endif |
1990 | |
2468 | |
1991 | #define DEF_STAT_INTERVAL 5.0074891 |
2469 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2470 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
1992 | #define MIN_STAT_INTERVAL 0.1074891 |
2471 | #define MIN_STAT_INTERVAL 0.1074891 |
1993 | |
2472 | |
1994 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2473 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1995 | |
2474 | |
1996 | #if EV_USE_INOTIFY |
2475 | #if EV_USE_INOTIFY |
1997 | # define EV_INOTIFY_BUFSIZE 8192 |
2476 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2001 | { |
2480 | { |
2002 | 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); |
2481 | 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); |
2003 | |
2482 | |
2004 | if (w->wd < 0) |
2483 | if (w->wd < 0) |
2005 | { |
2484 | { |
|
|
2485 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2006 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2486 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2007 | |
2487 | |
2008 | /* monitor some parent directory for speedup hints */ |
2488 | /* monitor some parent directory for speedup hints */ |
|
|
2489 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
|
|
2490 | /* but an efficiency issue only */ |
2009 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2491 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2010 | { |
2492 | { |
2011 | char path [4096]; |
2493 | char path [4096]; |
2012 | strcpy (path, w->path); |
2494 | strcpy (path, w->path); |
2013 | |
2495 | |
… | |
… | |
2016 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2498 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2017 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2499 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2018 | |
2500 | |
2019 | char *pend = strrchr (path, '/'); |
2501 | char *pend = strrchr (path, '/'); |
2020 | |
2502 | |
2021 | if (!pend) |
2503 | if (!pend || pend == path) |
2022 | break; /* whoops, no '/', complain to your admin */ |
2504 | break; |
2023 | |
2505 | |
2024 | *pend = 0; |
2506 | *pend = 0; |
2025 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2507 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2026 | } |
2508 | } |
2027 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2509 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2028 | } |
2510 | } |
2029 | } |
2511 | } |
2030 | else |
|
|
2031 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2032 | |
2512 | |
2033 | if (w->wd >= 0) |
2513 | if (w->wd >= 0) |
|
|
2514 | { |
2034 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2515 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2516 | |
|
|
2517 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2518 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2519 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2520 | struct statfs sfs; |
|
|
2521 | |
|
|
2522 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2523 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2524 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2525 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2526 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2527 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2528 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2529 | return; |
|
|
2530 | |
|
|
2531 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2532 | ev_timer_again (EV_A_ &w->timer); |
|
|
2533 | } |
2035 | } |
2534 | } |
2036 | |
2535 | |
2037 | static void noinline |
2536 | static void noinline |
2038 | infy_del (EV_P_ ev_stat *w) |
2537 | infy_del (EV_P_ ev_stat *w) |
2039 | { |
2538 | { |
… | |
… | |
2053 | |
2552 | |
2054 | static void noinline |
2553 | static void noinline |
2055 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2554 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2056 | { |
2555 | { |
2057 | if (slot < 0) |
2556 | if (slot < 0) |
2058 | /* overflow, need to check for all hahs slots */ |
2557 | /* overflow, need to check for all hash slots */ |
2059 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2558 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2060 | infy_wd (EV_A_ slot, wd, ev); |
2559 | infy_wd (EV_A_ slot, wd, ev); |
2061 | else |
2560 | else |
2062 | { |
2561 | { |
2063 | WL w_; |
2562 | WL w_; |
… | |
… | |
2069 | |
2568 | |
2070 | if (w->wd == wd || wd == -1) |
2569 | if (w->wd == wd || wd == -1) |
2071 | { |
2570 | { |
2072 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2571 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2073 | { |
2572 | { |
|
|
2573 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2074 | w->wd = -1; |
2574 | w->wd = -1; |
2075 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2575 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2076 | } |
2576 | } |
2077 | |
2577 | |
2078 | stat_timer_cb (EV_A_ &w->timer, 0); |
2578 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2092 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2592 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2093 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2593 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2094 | } |
2594 | } |
2095 | |
2595 | |
2096 | void inline_size |
2596 | void inline_size |
|
|
2597 | check_2625 (EV_P) |
|
|
2598 | { |
|
|
2599 | /* kernels < 2.6.25 are borked |
|
|
2600 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2601 | */ |
|
|
2602 | struct utsname buf; |
|
|
2603 | int major, minor, micro; |
|
|
2604 | |
|
|
2605 | if (uname (&buf)) |
|
|
2606 | return; |
|
|
2607 | |
|
|
2608 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2609 | return; |
|
|
2610 | |
|
|
2611 | if (major < 2 |
|
|
2612 | || (major == 2 && minor < 6) |
|
|
2613 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2614 | return; |
|
|
2615 | |
|
|
2616 | fs_2625 = 1; |
|
|
2617 | } |
|
|
2618 | |
|
|
2619 | void inline_size |
2097 | infy_init (EV_P) |
2620 | infy_init (EV_P) |
2098 | { |
2621 | { |
2099 | if (fs_fd != -2) |
2622 | if (fs_fd != -2) |
2100 | return; |
2623 | return; |
|
|
2624 | |
|
|
2625 | fs_fd = -1; |
|
|
2626 | |
|
|
2627 | check_2625 (EV_A); |
2101 | |
2628 | |
2102 | fs_fd = inotify_init (); |
2629 | fs_fd = inotify_init (); |
2103 | |
2630 | |
2104 | if (fs_fd >= 0) |
2631 | if (fs_fd >= 0) |
2105 | { |
2632 | { |
… | |
… | |
2133 | w->wd = -1; |
2660 | w->wd = -1; |
2134 | |
2661 | |
2135 | if (fs_fd >= 0) |
2662 | if (fs_fd >= 0) |
2136 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2663 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2137 | else |
2664 | else |
2138 | ev_timer_start (EV_A_ &w->timer); |
2665 | ev_timer_again (EV_A_ &w->timer); |
2139 | } |
2666 | } |
2140 | |
|
|
2141 | } |
2667 | } |
2142 | } |
2668 | } |
2143 | |
2669 | |
|
|
2670 | #endif |
|
|
2671 | |
|
|
2672 | #ifdef _WIN32 |
|
|
2673 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2674 | #else |
|
|
2675 | # define EV_LSTAT(p,b) lstat (p, b) |
2144 | #endif |
2676 | #endif |
2145 | |
2677 | |
2146 | void |
2678 | void |
2147 | ev_stat_stat (EV_P_ ev_stat *w) |
2679 | ev_stat_stat (EV_P_ ev_stat *w) |
2148 | { |
2680 | { |
… | |
… | |
2175 | || w->prev.st_atime != w->attr.st_atime |
2707 | || w->prev.st_atime != w->attr.st_atime |
2176 | || w->prev.st_mtime != w->attr.st_mtime |
2708 | || w->prev.st_mtime != w->attr.st_mtime |
2177 | || w->prev.st_ctime != w->attr.st_ctime |
2709 | || w->prev.st_ctime != w->attr.st_ctime |
2178 | ) { |
2710 | ) { |
2179 | #if EV_USE_INOTIFY |
2711 | #if EV_USE_INOTIFY |
|
|
2712 | if (fs_fd >= 0) |
|
|
2713 | { |
2180 | infy_del (EV_A_ w); |
2714 | infy_del (EV_A_ w); |
2181 | infy_add (EV_A_ w); |
2715 | infy_add (EV_A_ w); |
2182 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2716 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2717 | } |
2183 | #endif |
2718 | #endif |
2184 | |
2719 | |
2185 | ev_feed_event (EV_A_ w, EV_STAT); |
2720 | ev_feed_event (EV_A_ w, EV_STAT); |
2186 | } |
2721 | } |
2187 | } |
2722 | } |
… | |
… | |
2190 | ev_stat_start (EV_P_ ev_stat *w) |
2725 | ev_stat_start (EV_P_ ev_stat *w) |
2191 | { |
2726 | { |
2192 | if (expect_false (ev_is_active (w))) |
2727 | if (expect_false (ev_is_active (w))) |
2193 | return; |
2728 | return; |
2194 | |
2729 | |
2195 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2196 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2197 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2198 | |
|
|
2199 | ev_stat_stat (EV_A_ w); |
2730 | ev_stat_stat (EV_A_ w); |
2200 | |
2731 | |
|
|
2732 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2201 | if (w->interval < MIN_STAT_INTERVAL) |
2733 | w->interval = MIN_STAT_INTERVAL; |
2202 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2203 | |
2734 | |
2204 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2735 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2205 | ev_set_priority (&w->timer, ev_priority (w)); |
2736 | ev_set_priority (&w->timer, ev_priority (w)); |
2206 | |
2737 | |
2207 | #if EV_USE_INOTIFY |
2738 | #if EV_USE_INOTIFY |
2208 | infy_init (EV_A); |
2739 | infy_init (EV_A); |
2209 | |
2740 | |
2210 | if (fs_fd >= 0) |
2741 | if (fs_fd >= 0) |
2211 | infy_add (EV_A_ w); |
2742 | infy_add (EV_A_ w); |
2212 | else |
2743 | else |
2213 | #endif |
2744 | #endif |
2214 | ev_timer_start (EV_A_ &w->timer); |
2745 | ev_timer_again (EV_A_ &w->timer); |
2215 | |
2746 | |
2216 | ev_start (EV_A_ (W)w, 1); |
2747 | ev_start (EV_A_ (W)w, 1); |
|
|
2748 | |
|
|
2749 | EV_FREQUENT_CHECK; |
2217 | } |
2750 | } |
2218 | |
2751 | |
2219 | void |
2752 | void |
2220 | ev_stat_stop (EV_P_ ev_stat *w) |
2753 | ev_stat_stop (EV_P_ ev_stat *w) |
2221 | { |
2754 | { |
2222 | clear_pending (EV_A_ (W)w); |
2755 | clear_pending (EV_A_ (W)w); |
2223 | if (expect_false (!ev_is_active (w))) |
2756 | if (expect_false (!ev_is_active (w))) |
2224 | return; |
2757 | return; |
2225 | |
2758 | |
|
|
2759 | EV_FREQUENT_CHECK; |
|
|
2760 | |
2226 | #if EV_USE_INOTIFY |
2761 | #if EV_USE_INOTIFY |
2227 | infy_del (EV_A_ w); |
2762 | infy_del (EV_A_ w); |
2228 | #endif |
2763 | #endif |
2229 | ev_timer_stop (EV_A_ &w->timer); |
2764 | ev_timer_stop (EV_A_ &w->timer); |
2230 | |
2765 | |
2231 | ev_stop (EV_A_ (W)w); |
2766 | ev_stop (EV_A_ (W)w); |
|
|
2767 | |
|
|
2768 | EV_FREQUENT_CHECK; |
2232 | } |
2769 | } |
2233 | #endif |
2770 | #endif |
2234 | |
2771 | |
2235 | #if EV_IDLE_ENABLE |
2772 | #if EV_IDLE_ENABLE |
2236 | void |
2773 | void |
… | |
… | |
2238 | { |
2775 | { |
2239 | if (expect_false (ev_is_active (w))) |
2776 | if (expect_false (ev_is_active (w))) |
2240 | return; |
2777 | return; |
2241 | |
2778 | |
2242 | pri_adjust (EV_A_ (W)w); |
2779 | pri_adjust (EV_A_ (W)w); |
|
|
2780 | |
|
|
2781 | EV_FREQUENT_CHECK; |
2243 | |
2782 | |
2244 | { |
2783 | { |
2245 | int active = ++idlecnt [ABSPRI (w)]; |
2784 | int active = ++idlecnt [ABSPRI (w)]; |
2246 | |
2785 | |
2247 | ++idleall; |
2786 | ++idleall; |
2248 | ev_start (EV_A_ (W)w, active); |
2787 | ev_start (EV_A_ (W)w, active); |
2249 | |
2788 | |
2250 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2789 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2251 | idles [ABSPRI (w)][active - 1] = w; |
2790 | idles [ABSPRI (w)][active - 1] = w; |
2252 | } |
2791 | } |
|
|
2792 | |
|
|
2793 | EV_FREQUENT_CHECK; |
2253 | } |
2794 | } |
2254 | |
2795 | |
2255 | void |
2796 | void |
2256 | ev_idle_stop (EV_P_ ev_idle *w) |
2797 | ev_idle_stop (EV_P_ ev_idle *w) |
2257 | { |
2798 | { |
2258 | clear_pending (EV_A_ (W)w); |
2799 | clear_pending (EV_A_ (W)w); |
2259 | if (expect_false (!ev_is_active (w))) |
2800 | if (expect_false (!ev_is_active (w))) |
2260 | return; |
2801 | return; |
2261 | |
2802 | |
|
|
2803 | EV_FREQUENT_CHECK; |
|
|
2804 | |
2262 | { |
2805 | { |
2263 | int active = ((W)w)->active; |
2806 | int active = ev_active (w); |
2264 | |
2807 | |
2265 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2808 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2266 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2809 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2267 | |
2810 | |
2268 | ev_stop (EV_A_ (W)w); |
2811 | ev_stop (EV_A_ (W)w); |
2269 | --idleall; |
2812 | --idleall; |
2270 | } |
2813 | } |
|
|
2814 | |
|
|
2815 | EV_FREQUENT_CHECK; |
2271 | } |
2816 | } |
2272 | #endif |
2817 | #endif |
2273 | |
2818 | |
2274 | void |
2819 | void |
2275 | ev_prepare_start (EV_P_ ev_prepare *w) |
2820 | ev_prepare_start (EV_P_ ev_prepare *w) |
2276 | { |
2821 | { |
2277 | if (expect_false (ev_is_active (w))) |
2822 | if (expect_false (ev_is_active (w))) |
2278 | return; |
2823 | return; |
|
|
2824 | |
|
|
2825 | EV_FREQUENT_CHECK; |
2279 | |
2826 | |
2280 | ev_start (EV_A_ (W)w, ++preparecnt); |
2827 | ev_start (EV_A_ (W)w, ++preparecnt); |
2281 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2828 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2282 | prepares [preparecnt - 1] = w; |
2829 | prepares [preparecnt - 1] = w; |
|
|
2830 | |
|
|
2831 | EV_FREQUENT_CHECK; |
2283 | } |
2832 | } |
2284 | |
2833 | |
2285 | void |
2834 | void |
2286 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2835 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2287 | { |
2836 | { |
2288 | clear_pending (EV_A_ (W)w); |
2837 | clear_pending (EV_A_ (W)w); |
2289 | if (expect_false (!ev_is_active (w))) |
2838 | if (expect_false (!ev_is_active (w))) |
2290 | return; |
2839 | return; |
2291 | |
2840 | |
|
|
2841 | EV_FREQUENT_CHECK; |
|
|
2842 | |
2292 | { |
2843 | { |
2293 | int active = ((W)w)->active; |
2844 | int active = ev_active (w); |
|
|
2845 | |
2294 | prepares [active - 1] = prepares [--preparecnt]; |
2846 | prepares [active - 1] = prepares [--preparecnt]; |
2295 | ((W)prepares [active - 1])->active = active; |
2847 | ev_active (prepares [active - 1]) = active; |
2296 | } |
2848 | } |
2297 | |
2849 | |
2298 | ev_stop (EV_A_ (W)w); |
2850 | ev_stop (EV_A_ (W)w); |
|
|
2851 | |
|
|
2852 | EV_FREQUENT_CHECK; |
2299 | } |
2853 | } |
2300 | |
2854 | |
2301 | void |
2855 | void |
2302 | ev_check_start (EV_P_ ev_check *w) |
2856 | ev_check_start (EV_P_ ev_check *w) |
2303 | { |
2857 | { |
2304 | if (expect_false (ev_is_active (w))) |
2858 | if (expect_false (ev_is_active (w))) |
2305 | return; |
2859 | return; |
|
|
2860 | |
|
|
2861 | EV_FREQUENT_CHECK; |
2306 | |
2862 | |
2307 | ev_start (EV_A_ (W)w, ++checkcnt); |
2863 | ev_start (EV_A_ (W)w, ++checkcnt); |
2308 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2864 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2309 | checks [checkcnt - 1] = w; |
2865 | checks [checkcnt - 1] = w; |
|
|
2866 | |
|
|
2867 | EV_FREQUENT_CHECK; |
2310 | } |
2868 | } |
2311 | |
2869 | |
2312 | void |
2870 | void |
2313 | ev_check_stop (EV_P_ ev_check *w) |
2871 | ev_check_stop (EV_P_ ev_check *w) |
2314 | { |
2872 | { |
2315 | clear_pending (EV_A_ (W)w); |
2873 | clear_pending (EV_A_ (W)w); |
2316 | if (expect_false (!ev_is_active (w))) |
2874 | if (expect_false (!ev_is_active (w))) |
2317 | return; |
2875 | return; |
2318 | |
2876 | |
|
|
2877 | EV_FREQUENT_CHECK; |
|
|
2878 | |
2319 | { |
2879 | { |
2320 | int active = ((W)w)->active; |
2880 | int active = ev_active (w); |
|
|
2881 | |
2321 | checks [active - 1] = checks [--checkcnt]; |
2882 | checks [active - 1] = checks [--checkcnt]; |
2322 | ((W)checks [active - 1])->active = active; |
2883 | ev_active (checks [active - 1]) = active; |
2323 | } |
2884 | } |
2324 | |
2885 | |
2325 | ev_stop (EV_A_ (W)w); |
2886 | ev_stop (EV_A_ (W)w); |
|
|
2887 | |
|
|
2888 | EV_FREQUENT_CHECK; |
2326 | } |
2889 | } |
2327 | |
2890 | |
2328 | #if EV_EMBED_ENABLE |
2891 | #if EV_EMBED_ENABLE |
2329 | void noinline |
2892 | void noinline |
2330 | ev_embed_sweep (EV_P_ ev_embed *w) |
2893 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2357 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2920 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2358 | } |
2921 | } |
2359 | } |
2922 | } |
2360 | } |
2923 | } |
2361 | |
2924 | |
|
|
2925 | static void |
|
|
2926 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2927 | { |
|
|
2928 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2929 | |
|
|
2930 | ev_embed_stop (EV_A_ w); |
|
|
2931 | |
|
|
2932 | { |
|
|
2933 | struct ev_loop *loop = w->other; |
|
|
2934 | |
|
|
2935 | ev_loop_fork (EV_A); |
|
|
2936 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2937 | } |
|
|
2938 | |
|
|
2939 | ev_embed_start (EV_A_ w); |
|
|
2940 | } |
|
|
2941 | |
2362 | #if 0 |
2942 | #if 0 |
2363 | static void |
2943 | static void |
2364 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2944 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2365 | { |
2945 | { |
2366 | ev_idle_stop (EV_A_ idle); |
2946 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2373 | if (expect_false (ev_is_active (w))) |
2953 | if (expect_false (ev_is_active (w))) |
2374 | return; |
2954 | return; |
2375 | |
2955 | |
2376 | { |
2956 | { |
2377 | struct ev_loop *loop = w->other; |
2957 | struct ev_loop *loop = w->other; |
2378 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2958 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2379 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2959 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2380 | } |
2960 | } |
|
|
2961 | |
|
|
2962 | EV_FREQUENT_CHECK; |
2381 | |
2963 | |
2382 | ev_set_priority (&w->io, ev_priority (w)); |
2964 | ev_set_priority (&w->io, ev_priority (w)); |
2383 | ev_io_start (EV_A_ &w->io); |
2965 | ev_io_start (EV_A_ &w->io); |
2384 | |
2966 | |
2385 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2967 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2386 | ev_set_priority (&w->prepare, EV_MINPRI); |
2968 | ev_set_priority (&w->prepare, EV_MINPRI); |
2387 | ev_prepare_start (EV_A_ &w->prepare); |
2969 | ev_prepare_start (EV_A_ &w->prepare); |
2388 | |
2970 | |
|
|
2971 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2972 | ev_fork_start (EV_A_ &w->fork); |
|
|
2973 | |
2389 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2974 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2390 | |
2975 | |
2391 | ev_start (EV_A_ (W)w, 1); |
2976 | ev_start (EV_A_ (W)w, 1); |
|
|
2977 | |
|
|
2978 | EV_FREQUENT_CHECK; |
2392 | } |
2979 | } |
2393 | |
2980 | |
2394 | void |
2981 | void |
2395 | ev_embed_stop (EV_P_ ev_embed *w) |
2982 | ev_embed_stop (EV_P_ ev_embed *w) |
2396 | { |
2983 | { |
2397 | clear_pending (EV_A_ (W)w); |
2984 | clear_pending (EV_A_ (W)w); |
2398 | if (expect_false (!ev_is_active (w))) |
2985 | if (expect_false (!ev_is_active (w))) |
2399 | return; |
2986 | return; |
2400 | |
2987 | |
|
|
2988 | EV_FREQUENT_CHECK; |
|
|
2989 | |
2401 | ev_io_stop (EV_A_ &w->io); |
2990 | ev_io_stop (EV_A_ &w->io); |
2402 | ev_prepare_stop (EV_A_ &w->prepare); |
2991 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2992 | ev_fork_stop (EV_A_ &w->fork); |
2403 | |
2993 | |
2404 | ev_stop (EV_A_ (W)w); |
2994 | EV_FREQUENT_CHECK; |
2405 | } |
2995 | } |
2406 | #endif |
2996 | #endif |
2407 | |
2997 | |
2408 | #if EV_FORK_ENABLE |
2998 | #if EV_FORK_ENABLE |
2409 | void |
2999 | void |
2410 | ev_fork_start (EV_P_ ev_fork *w) |
3000 | ev_fork_start (EV_P_ ev_fork *w) |
2411 | { |
3001 | { |
2412 | if (expect_false (ev_is_active (w))) |
3002 | if (expect_false (ev_is_active (w))) |
2413 | return; |
3003 | return; |
|
|
3004 | |
|
|
3005 | EV_FREQUENT_CHECK; |
2414 | |
3006 | |
2415 | ev_start (EV_A_ (W)w, ++forkcnt); |
3007 | ev_start (EV_A_ (W)w, ++forkcnt); |
2416 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
3008 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2417 | forks [forkcnt - 1] = w; |
3009 | forks [forkcnt - 1] = w; |
|
|
3010 | |
|
|
3011 | EV_FREQUENT_CHECK; |
2418 | } |
3012 | } |
2419 | |
3013 | |
2420 | void |
3014 | void |
2421 | ev_fork_stop (EV_P_ ev_fork *w) |
3015 | ev_fork_stop (EV_P_ ev_fork *w) |
2422 | { |
3016 | { |
2423 | clear_pending (EV_A_ (W)w); |
3017 | clear_pending (EV_A_ (W)w); |
2424 | if (expect_false (!ev_is_active (w))) |
3018 | if (expect_false (!ev_is_active (w))) |
2425 | return; |
3019 | return; |
2426 | |
3020 | |
|
|
3021 | EV_FREQUENT_CHECK; |
|
|
3022 | |
2427 | { |
3023 | { |
2428 | int active = ((W)w)->active; |
3024 | int active = ev_active (w); |
|
|
3025 | |
2429 | forks [active - 1] = forks [--forkcnt]; |
3026 | forks [active - 1] = forks [--forkcnt]; |
2430 | ((W)forks [active - 1])->active = active; |
3027 | ev_active (forks [active - 1]) = active; |
2431 | } |
3028 | } |
2432 | |
3029 | |
2433 | ev_stop (EV_A_ (W)w); |
3030 | ev_stop (EV_A_ (W)w); |
|
|
3031 | |
|
|
3032 | EV_FREQUENT_CHECK; |
2434 | } |
3033 | } |
2435 | #endif |
3034 | #endif |
2436 | |
3035 | |
2437 | #if EV_ASYNC_ENABLE |
3036 | #if EV_ASYNC_ENABLE |
2438 | void |
3037 | void |
… | |
… | |
2440 | { |
3039 | { |
2441 | if (expect_false (ev_is_active (w))) |
3040 | if (expect_false (ev_is_active (w))) |
2442 | return; |
3041 | return; |
2443 | |
3042 | |
2444 | evpipe_init (EV_A); |
3043 | evpipe_init (EV_A); |
|
|
3044 | |
|
|
3045 | EV_FREQUENT_CHECK; |
2445 | |
3046 | |
2446 | ev_start (EV_A_ (W)w, ++asynccnt); |
3047 | ev_start (EV_A_ (W)w, ++asynccnt); |
2447 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
3048 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2448 | asyncs [asynccnt - 1] = w; |
3049 | asyncs [asynccnt - 1] = w; |
|
|
3050 | |
|
|
3051 | EV_FREQUENT_CHECK; |
2449 | } |
3052 | } |
2450 | |
3053 | |
2451 | void |
3054 | void |
2452 | ev_async_stop (EV_P_ ev_async *w) |
3055 | ev_async_stop (EV_P_ ev_async *w) |
2453 | { |
3056 | { |
2454 | clear_pending (EV_A_ (W)w); |
3057 | clear_pending (EV_A_ (W)w); |
2455 | if (expect_false (!ev_is_active (w))) |
3058 | if (expect_false (!ev_is_active (w))) |
2456 | return; |
3059 | return; |
2457 | |
3060 | |
|
|
3061 | EV_FREQUENT_CHECK; |
|
|
3062 | |
2458 | { |
3063 | { |
2459 | int active = ((W)w)->active; |
3064 | int active = ev_active (w); |
|
|
3065 | |
2460 | asyncs [active - 1] = asyncs [--asynccnt]; |
3066 | asyncs [active - 1] = asyncs [--asynccnt]; |
2461 | ((W)asyncs [active - 1])->active = active; |
3067 | ev_active (asyncs [active - 1]) = active; |
2462 | } |
3068 | } |
2463 | |
3069 | |
2464 | ev_stop (EV_A_ (W)w); |
3070 | ev_stop (EV_A_ (W)w); |
|
|
3071 | |
|
|
3072 | EV_FREQUENT_CHECK; |
2465 | } |
3073 | } |
2466 | |
3074 | |
2467 | void |
3075 | void |
2468 | ev_async_send (EV_P_ ev_async *w) |
3076 | ev_async_send (EV_P_ ev_async *w) |
2469 | { |
3077 | { |
… | |
… | |
2486 | once_cb (EV_P_ struct ev_once *once, int revents) |
3094 | once_cb (EV_P_ struct ev_once *once, int revents) |
2487 | { |
3095 | { |
2488 | void (*cb)(int revents, void *arg) = once->cb; |
3096 | void (*cb)(int revents, void *arg) = once->cb; |
2489 | void *arg = once->arg; |
3097 | void *arg = once->arg; |
2490 | |
3098 | |
2491 | ev_io_stop (EV_A_ &once->io); |
3099 | ev_io_stop (EV_A_ &once->io); |
2492 | ev_timer_stop (EV_A_ &once->to); |
3100 | ev_timer_stop (EV_A_ &once->to); |
2493 | ev_free (once); |
3101 | ev_free (once); |
2494 | |
3102 | |
2495 | cb (revents, arg); |
3103 | cb (revents, arg); |
2496 | } |
3104 | } |
2497 | |
3105 | |
2498 | static void |
3106 | static void |
2499 | once_cb_io (EV_P_ ev_io *w, int revents) |
3107 | once_cb_io (EV_P_ ev_io *w, int revents) |
2500 | { |
3108 | { |
2501 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3109 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3110 | |
|
|
3111 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2502 | } |
3112 | } |
2503 | |
3113 | |
2504 | static void |
3114 | static void |
2505 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3115 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2506 | { |
3116 | { |
2507 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3117 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3118 | |
|
|
3119 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2508 | } |
3120 | } |
2509 | |
3121 | |
2510 | void |
3122 | void |
2511 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3123 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2512 | { |
3124 | { |
… | |
… | |
2534 | ev_timer_set (&once->to, timeout, 0.); |
3146 | ev_timer_set (&once->to, timeout, 0.); |
2535 | ev_timer_start (EV_A_ &once->to); |
3147 | ev_timer_start (EV_A_ &once->to); |
2536 | } |
3148 | } |
2537 | } |
3149 | } |
2538 | |
3150 | |
|
|
3151 | /*****************************************************************************/ |
|
|
3152 | |
|
|
3153 | #if 0 |
|
|
3154 | void |
|
|
3155 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3156 | { |
|
|
3157 | int i, j; |
|
|
3158 | ev_watcher_list *wl, *wn; |
|
|
3159 | |
|
|
3160 | if (types & (EV_IO | EV_EMBED)) |
|
|
3161 | for (i = 0; i < anfdmax; ++i) |
|
|
3162 | for (wl = anfds [i].head; wl; ) |
|
|
3163 | { |
|
|
3164 | wn = wl->next; |
|
|
3165 | |
|
|
3166 | #if EV_EMBED_ENABLE |
|
|
3167 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3168 | { |
|
|
3169 | if (types & EV_EMBED) |
|
|
3170 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3171 | } |
|
|
3172 | else |
|
|
3173 | #endif |
|
|
3174 | #if EV_USE_INOTIFY |
|
|
3175 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3176 | ; |
|
|
3177 | else |
|
|
3178 | #endif |
|
|
3179 | if ((ev_io *)wl != &pipeev) |
|
|
3180 | if (types & EV_IO) |
|
|
3181 | cb (EV_A_ EV_IO, wl); |
|
|
3182 | |
|
|
3183 | wl = wn; |
|
|
3184 | } |
|
|
3185 | |
|
|
3186 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3187 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3188 | #if EV_STAT_ENABLE |
|
|
3189 | /*TODO: timer is not always active*/ |
|
|
3190 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3191 | { |
|
|
3192 | if (types & EV_STAT) |
|
|
3193 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3194 | } |
|
|
3195 | else |
|
|
3196 | #endif |
|
|
3197 | if (types & EV_TIMER) |
|
|
3198 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3199 | |
|
|
3200 | #if EV_PERIODIC_ENABLE |
|
|
3201 | if (types & EV_PERIODIC) |
|
|
3202 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3203 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3204 | #endif |
|
|
3205 | |
|
|
3206 | #if EV_IDLE_ENABLE |
|
|
3207 | if (types & EV_IDLE) |
|
|
3208 | for (j = NUMPRI; i--; ) |
|
|
3209 | for (i = idlecnt [j]; i--; ) |
|
|
3210 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3211 | #endif |
|
|
3212 | |
|
|
3213 | #if EV_FORK_ENABLE |
|
|
3214 | if (types & EV_FORK) |
|
|
3215 | for (i = forkcnt; i--; ) |
|
|
3216 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3217 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3218 | #endif |
|
|
3219 | |
|
|
3220 | #if EV_ASYNC_ENABLE |
|
|
3221 | if (types & EV_ASYNC) |
|
|
3222 | for (i = asynccnt; i--; ) |
|
|
3223 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3224 | #endif |
|
|
3225 | |
|
|
3226 | if (types & EV_PREPARE) |
|
|
3227 | for (i = preparecnt; i--; ) |
|
|
3228 | #if EV_EMBED_ENABLE |
|
|
3229 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3230 | #endif |
|
|
3231 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3232 | |
|
|
3233 | if (types & EV_CHECK) |
|
|
3234 | for (i = checkcnt; i--; ) |
|
|
3235 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3236 | |
|
|
3237 | if (types & EV_SIGNAL) |
|
|
3238 | for (i = 0; i < signalmax; ++i) |
|
|
3239 | for (wl = signals [i].head; wl; ) |
|
|
3240 | { |
|
|
3241 | wn = wl->next; |
|
|
3242 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3243 | wl = wn; |
|
|
3244 | } |
|
|
3245 | |
|
|
3246 | if (types & EV_CHILD) |
|
|
3247 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3248 | for (wl = childs [i]; wl; ) |
|
|
3249 | { |
|
|
3250 | wn = wl->next; |
|
|
3251 | cb (EV_A_ EV_CHILD, wl); |
|
|
3252 | wl = wn; |
|
|
3253 | } |
|
|
3254 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3255 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3256 | } |
|
|
3257 | #endif |
|
|
3258 | |
2539 | #if EV_MULTIPLICITY |
3259 | #if EV_MULTIPLICITY |
2540 | #include "ev_wrap.h" |
3260 | #include "ev_wrap.h" |
2541 | #endif |
3261 | #endif |
2542 | |
3262 | |
2543 | #ifdef __cplusplus |
3263 | #ifdef __cplusplus |