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 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
|
|
63 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
64 | # endif |
|
|
65 | |
51 | # if HAVE_CLOCK_GETTIME |
66 | # if HAVE_CLOCK_GETTIME |
52 | # ifndef EV_USE_MONOTONIC |
67 | # ifndef EV_USE_MONOTONIC |
53 | # define EV_USE_MONOTONIC 1 |
68 | # define EV_USE_MONOTONIC 1 |
54 | # endif |
69 | # endif |
55 | # ifndef EV_USE_REALTIME |
70 | # ifndef EV_USE_REALTIME |
56 | # define EV_USE_REALTIME 1 |
71 | # define EV_USE_REALTIME 0 |
57 | # endif |
72 | # endif |
58 | # else |
73 | # else |
59 | # ifndef EV_USE_MONOTONIC |
74 | # ifndef EV_USE_MONOTONIC |
60 | # define EV_USE_MONOTONIC 0 |
75 | # define EV_USE_MONOTONIC 0 |
61 | # endif |
76 | # endif |
… | |
… | |
118 | # else |
133 | # else |
119 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY 0 |
120 | # endif |
135 | # endif |
121 | # endif |
136 | # endif |
122 | |
137 | |
|
|
138 | # ifndef EV_USE_EVENTFD |
|
|
139 | # if HAVE_EVENTFD |
|
|
140 | # define EV_USE_EVENTFD 1 |
|
|
141 | # else |
|
|
142 | # define EV_USE_EVENTFD 0 |
|
|
143 | # endif |
|
|
144 | # endif |
|
|
145 | |
123 | #endif |
146 | #endif |
124 | |
147 | |
125 | #include <math.h> |
148 | #include <math.h> |
126 | #include <stdlib.h> |
149 | #include <stdlib.h> |
127 | #include <fcntl.h> |
150 | #include <fcntl.h> |
… | |
… | |
145 | #ifndef _WIN32 |
168 | #ifndef _WIN32 |
146 | # include <sys/time.h> |
169 | # include <sys/time.h> |
147 | # include <sys/wait.h> |
170 | # include <sys/wait.h> |
148 | # include <unistd.h> |
171 | # include <unistd.h> |
149 | #else |
172 | #else |
|
|
173 | # include <io.h> |
150 | # define WIN32_LEAN_AND_MEAN |
174 | # define WIN32_LEAN_AND_MEAN |
151 | # include <windows.h> |
175 | # include <windows.h> |
152 | # ifndef EV_SELECT_IS_WINSOCKET |
176 | # ifndef EV_SELECT_IS_WINSOCKET |
153 | # define EV_SELECT_IS_WINSOCKET 1 |
177 | # define EV_SELECT_IS_WINSOCKET 1 |
154 | # endif |
178 | # endif |
155 | #endif |
179 | #endif |
156 | |
180 | |
157 | /**/ |
181 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
|
|
182 | |
|
|
183 | #ifndef EV_USE_CLOCK_SYSCALL |
|
|
184 | # if __linux && __GLIBC__ >= 2 |
|
|
185 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
186 | # else |
|
|
187 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
188 | # endif |
|
|
189 | #endif |
158 | |
190 | |
159 | #ifndef EV_USE_MONOTONIC |
191 | #ifndef EV_USE_MONOTONIC |
|
|
192 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
|
|
193 | # define EV_USE_MONOTONIC 1 |
|
|
194 | # else |
160 | # define EV_USE_MONOTONIC 0 |
195 | # define EV_USE_MONOTONIC 0 |
|
|
196 | # endif |
161 | #endif |
197 | #endif |
162 | |
198 | |
163 | #ifndef EV_USE_REALTIME |
199 | #ifndef EV_USE_REALTIME |
164 | # define EV_USE_REALTIME 0 |
200 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
165 | #endif |
201 | #endif |
166 | |
202 | |
167 | #ifndef EV_USE_NANOSLEEP |
203 | #ifndef EV_USE_NANOSLEEP |
|
|
204 | # if _POSIX_C_SOURCE >= 199309L |
|
|
205 | # define EV_USE_NANOSLEEP 1 |
|
|
206 | # else |
168 | # define EV_USE_NANOSLEEP 0 |
207 | # define EV_USE_NANOSLEEP 0 |
|
|
208 | # endif |
169 | #endif |
209 | #endif |
170 | |
210 | |
171 | #ifndef EV_USE_SELECT |
211 | #ifndef EV_USE_SELECT |
172 | # define EV_USE_SELECT 1 |
212 | # define EV_USE_SELECT 1 |
173 | #endif |
213 | #endif |
… | |
… | |
179 | # define EV_USE_POLL 1 |
219 | # define EV_USE_POLL 1 |
180 | # endif |
220 | # endif |
181 | #endif |
221 | #endif |
182 | |
222 | |
183 | #ifndef EV_USE_EPOLL |
223 | #ifndef EV_USE_EPOLL |
|
|
224 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
225 | # define EV_USE_EPOLL 1 |
|
|
226 | # else |
184 | # define EV_USE_EPOLL 0 |
227 | # define EV_USE_EPOLL 0 |
|
|
228 | # endif |
185 | #endif |
229 | #endif |
186 | |
230 | |
187 | #ifndef EV_USE_KQUEUE |
231 | #ifndef EV_USE_KQUEUE |
188 | # define EV_USE_KQUEUE 0 |
232 | # define EV_USE_KQUEUE 0 |
189 | #endif |
233 | #endif |
… | |
… | |
191 | #ifndef EV_USE_PORT |
235 | #ifndef EV_USE_PORT |
192 | # define EV_USE_PORT 0 |
236 | # define EV_USE_PORT 0 |
193 | #endif |
237 | #endif |
194 | |
238 | |
195 | #ifndef EV_USE_INOTIFY |
239 | #ifndef EV_USE_INOTIFY |
|
|
240 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
241 | # define EV_USE_INOTIFY 1 |
|
|
242 | # else |
196 | # define EV_USE_INOTIFY 0 |
243 | # define EV_USE_INOTIFY 0 |
|
|
244 | # endif |
197 | #endif |
245 | #endif |
198 | |
246 | |
199 | #ifndef EV_PID_HASHSIZE |
247 | #ifndef EV_PID_HASHSIZE |
200 | # if EV_MINIMAL |
248 | # if EV_MINIMAL |
201 | # define EV_PID_HASHSIZE 1 |
249 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
210 | # else |
258 | # else |
211 | # define EV_INOTIFY_HASHSIZE 16 |
259 | # define EV_INOTIFY_HASHSIZE 16 |
212 | # endif |
260 | # endif |
213 | #endif |
261 | #endif |
214 | |
262 | |
215 | /**/ |
263 | #ifndef EV_USE_EVENTFD |
|
|
264 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
265 | # define EV_USE_EVENTFD 1 |
|
|
266 | # else |
|
|
267 | # define EV_USE_EVENTFD 0 |
|
|
268 | # endif |
|
|
269 | #endif |
|
|
270 | |
|
|
271 | #if 0 /* debugging */ |
|
|
272 | # define EV_VERIFY 3 |
|
|
273 | # define EV_USE_4HEAP 1 |
|
|
274 | # define EV_HEAP_CACHE_AT 1 |
|
|
275 | #endif |
|
|
276 | |
|
|
277 | #ifndef EV_VERIFY |
|
|
278 | # define EV_VERIFY !EV_MINIMAL |
|
|
279 | #endif |
|
|
280 | |
|
|
281 | #ifndef EV_USE_4HEAP |
|
|
282 | # define EV_USE_4HEAP !EV_MINIMAL |
|
|
283 | #endif |
|
|
284 | |
|
|
285 | #ifndef EV_HEAP_CACHE_AT |
|
|
286 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
287 | #endif |
|
|
288 | |
|
|
289 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
290 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
291 | #if EV_USE_CLOCK_SYSCALL |
|
|
292 | # include <syscall.h> |
|
|
293 | # ifdef SYS_clock_gettime |
|
|
294 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
295 | # undef EV_USE_MONOTONIC |
|
|
296 | # define EV_USE_MONOTONIC 1 |
|
|
297 | # else |
|
|
298 | # undef EV_USE_CLOCK_SYSCALL |
|
|
299 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
300 | # endif |
|
|
301 | #endif |
|
|
302 | |
|
|
303 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
216 | |
304 | |
217 | #ifndef CLOCK_MONOTONIC |
305 | #ifndef CLOCK_MONOTONIC |
218 | # undef EV_USE_MONOTONIC |
306 | # undef EV_USE_MONOTONIC |
219 | # define EV_USE_MONOTONIC 0 |
307 | # define EV_USE_MONOTONIC 0 |
220 | #endif |
308 | #endif |
… | |
… | |
234 | # include <sys/select.h> |
322 | # include <sys/select.h> |
235 | # endif |
323 | # endif |
236 | #endif |
324 | #endif |
237 | |
325 | |
238 | #if EV_USE_INOTIFY |
326 | #if EV_USE_INOTIFY |
|
|
327 | # include <sys/utsname.h> |
|
|
328 | # include <sys/statfs.h> |
239 | # include <sys/inotify.h> |
329 | # include <sys/inotify.h> |
|
|
330 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
|
331 | # ifndef IN_DONT_FOLLOW |
|
|
332 | # undef EV_USE_INOTIFY |
|
|
333 | # define EV_USE_INOTIFY 0 |
|
|
334 | # endif |
240 | #endif |
335 | #endif |
241 | |
336 | |
242 | #if EV_SELECT_IS_WINSOCKET |
337 | #if EV_SELECT_IS_WINSOCKET |
243 | # include <winsock.h> |
338 | # include <winsock.h> |
244 | #endif |
339 | #endif |
245 | |
340 | |
|
|
341 | #if EV_USE_EVENTFD |
|
|
342 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
343 | # include <stdint.h> |
|
|
344 | # ifdef __cplusplus |
|
|
345 | extern "C" { |
|
|
346 | # endif |
|
|
347 | int eventfd (unsigned int initval, int flags); |
|
|
348 | # ifdef __cplusplus |
|
|
349 | } |
|
|
350 | # endif |
|
|
351 | #endif |
|
|
352 | |
246 | /**/ |
353 | /**/ |
|
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354 | |
|
|
355 | #if EV_VERIFY >= 3 |
|
|
356 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
|
357 | #else |
|
|
358 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
359 | #endif |
247 | |
360 | |
248 | /* |
361 | /* |
249 | * This is used to avoid floating point rounding problems. |
362 | * This is used to avoid floating point rounding problems. |
250 | * It is added to ev_rt_now when scheduling periodics |
363 | * It is added to ev_rt_now when scheduling periodics |
251 | * to ensure progress, time-wise, even when rounding |
364 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
376 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
264 | # define noinline __attribute__ ((noinline)) |
377 | # define noinline __attribute__ ((noinline)) |
265 | #else |
378 | #else |
266 | # define expect(expr,value) (expr) |
379 | # define expect(expr,value) (expr) |
267 | # define noinline |
380 | # define noinline |
268 | # if __STDC_VERSION__ < 199901L |
381 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
269 | # define inline |
382 | # define inline |
270 | # endif |
383 | # endif |
271 | #endif |
384 | #endif |
272 | |
385 | |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
386 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
278 | # define inline_speed static noinline |
391 | # define inline_speed static noinline |
279 | #else |
392 | #else |
280 | # define inline_speed static inline |
393 | # define inline_speed static inline |
281 | #endif |
394 | #endif |
282 | |
395 | |
283 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
396 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
397 | |
|
|
398 | #if EV_MINPRI == EV_MAXPRI |
|
|
399 | # define ABSPRI(w) (((W)w), 0) |
|
|
400 | #else |
284 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
401 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
|
|
402 | #endif |
285 | |
403 | |
286 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
404 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
287 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
405 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
288 | |
406 | |
289 | typedef ev_watcher *W; |
407 | typedef ev_watcher *W; |
290 | typedef ev_watcher_list *WL; |
408 | typedef ev_watcher_list *WL; |
291 | typedef ev_watcher_time *WT; |
409 | typedef ev_watcher_time *WT; |
292 | |
410 | |
293 | #if EV_USE_MONOTONIC |
411 | #define ev_active(w) ((W)(w))->active |
|
|
412 | #define ev_at(w) ((WT)(w))->at |
|
|
413 | |
|
|
414 | #if EV_USE_REALTIME |
294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
415 | /* 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 */ |
416 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
|
417 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
|
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418 | #endif |
|
|
419 | |
|
|
420 | #if EV_USE_MONOTONIC |
296 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
421 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
297 | #endif |
422 | #endif |
298 | |
423 | |
299 | #ifdef _WIN32 |
424 | #ifdef _WIN32 |
300 | # include "ev_win32.c" |
425 | # include "ev_win32.c" |
… | |
… | |
309 | { |
434 | { |
310 | syserr_cb = cb; |
435 | syserr_cb = cb; |
311 | } |
436 | } |
312 | |
437 | |
313 | static void noinline |
438 | static void noinline |
314 | syserr (const char *msg) |
439 | ev_syserr (const char *msg) |
315 | { |
440 | { |
316 | if (!msg) |
441 | if (!msg) |
317 | msg = "(libev) system error"; |
442 | msg = "(libev) system error"; |
318 | |
443 | |
319 | if (syserr_cb) |
444 | if (syserr_cb) |
… | |
… | |
323 | perror (msg); |
448 | perror (msg); |
324 | abort (); |
449 | abort (); |
325 | } |
450 | } |
326 | } |
451 | } |
327 | |
452 | |
|
|
453 | static void * |
|
|
454 | ev_realloc_emul (void *ptr, long size) |
|
|
455 | { |
|
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456 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
457 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
|
458 | * the single unix specification, so work around them here. |
|
|
459 | */ |
|
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460 | |
|
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461 | if (size) |
|
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462 | return realloc (ptr, size); |
|
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463 | |
|
|
464 | free (ptr); |
|
|
465 | return 0; |
|
|
466 | } |
|
|
467 | |
328 | static void *(*alloc)(void *ptr, long size); |
468 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
329 | |
469 | |
330 | void |
470 | void |
331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
471 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
332 | { |
472 | { |
333 | alloc = cb; |
473 | alloc = cb; |
334 | } |
474 | } |
335 | |
475 | |
336 | inline_speed void * |
476 | inline_speed void * |
337 | ev_realloc (void *ptr, long size) |
477 | ev_realloc (void *ptr, long size) |
338 | { |
478 | { |
339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
479 | ptr = alloc (ptr, size); |
340 | |
480 | |
341 | if (!ptr && size) |
481 | if (!ptr && size) |
342 | { |
482 | { |
343 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
483 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
344 | abort (); |
484 | abort (); |
… | |
… | |
350 | #define ev_malloc(size) ev_realloc (0, (size)) |
490 | #define ev_malloc(size) ev_realloc (0, (size)) |
351 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
491 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
352 | |
492 | |
353 | /*****************************************************************************/ |
493 | /*****************************************************************************/ |
354 | |
494 | |
|
|
495 | /* file descriptor info structure */ |
355 | typedef struct |
496 | typedef struct |
356 | { |
497 | { |
357 | WL head; |
498 | WL head; |
358 | unsigned char events; |
499 | unsigned char events; /* the events watched for */ |
|
|
500 | unsigned char reify; /* flag set when this ANFD needs reification */ |
|
|
501 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
359 | unsigned char reify; |
502 | unsigned char unused; |
|
|
503 | #if EV_USE_EPOLL |
|
|
504 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
505 | #endif |
360 | #if EV_SELECT_IS_WINSOCKET |
506 | #if EV_SELECT_IS_WINSOCKET |
361 | SOCKET handle; |
507 | SOCKET handle; |
362 | #endif |
508 | #endif |
363 | } ANFD; |
509 | } ANFD; |
364 | |
510 | |
|
|
511 | /* stores the pending event set for a given watcher */ |
365 | typedef struct |
512 | typedef struct |
366 | { |
513 | { |
367 | W w; |
514 | W w; |
368 | int events; |
515 | int events; /* the pending event set for the given watcher */ |
369 | } ANPENDING; |
516 | } ANPENDING; |
370 | |
517 | |
371 | #if EV_USE_INOTIFY |
518 | #if EV_USE_INOTIFY |
|
|
519 | /* hash table entry per inotify-id */ |
372 | typedef struct |
520 | typedef struct |
373 | { |
521 | { |
374 | WL head; |
522 | WL head; |
375 | } ANFS; |
523 | } ANFS; |
|
|
524 | #endif |
|
|
525 | |
|
|
526 | /* Heap Entry */ |
|
|
527 | #if EV_HEAP_CACHE_AT |
|
|
528 | /* a heap element */ |
|
|
529 | typedef struct { |
|
|
530 | ev_tstamp at; |
|
|
531 | WT w; |
|
|
532 | } ANHE; |
|
|
533 | |
|
|
534 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
535 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
536 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
537 | #else |
|
|
538 | /* a heap element */ |
|
|
539 | typedef WT ANHE; |
|
|
540 | |
|
|
541 | #define ANHE_w(he) (he) |
|
|
542 | #define ANHE_at(he) (he)->at |
|
|
543 | #define ANHE_at_cache(he) |
376 | #endif |
544 | #endif |
377 | |
545 | |
378 | #if EV_MULTIPLICITY |
546 | #if EV_MULTIPLICITY |
379 | |
547 | |
380 | struct ev_loop |
548 | struct ev_loop |
… | |
… | |
401 | |
569 | |
402 | #endif |
570 | #endif |
403 | |
571 | |
404 | /*****************************************************************************/ |
572 | /*****************************************************************************/ |
405 | |
573 | |
|
|
574 | #ifndef EV_HAVE_EV_TIME |
406 | ev_tstamp |
575 | ev_tstamp |
407 | ev_time (void) |
576 | ev_time (void) |
408 | { |
577 | { |
409 | #if EV_USE_REALTIME |
578 | #if EV_USE_REALTIME |
|
|
579 | if (expect_true (have_realtime)) |
|
|
580 | { |
410 | struct timespec ts; |
581 | struct timespec ts; |
411 | clock_gettime (CLOCK_REALTIME, &ts); |
582 | clock_gettime (CLOCK_REALTIME, &ts); |
412 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
583 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
413 | #else |
584 | } |
|
|
585 | #endif |
|
|
586 | |
414 | struct timeval tv; |
587 | struct timeval tv; |
415 | gettimeofday (&tv, 0); |
588 | gettimeofday (&tv, 0); |
416 | return tv.tv_sec + tv.tv_usec * 1e-6; |
589 | return tv.tv_sec + tv.tv_usec * 1e-6; |
417 | #endif |
|
|
418 | } |
590 | } |
|
|
591 | #endif |
419 | |
592 | |
420 | ev_tstamp inline_size |
593 | inline_size ev_tstamp |
421 | get_clock (void) |
594 | get_clock (void) |
422 | { |
595 | { |
423 | #if EV_USE_MONOTONIC |
596 | #if EV_USE_MONOTONIC |
424 | if (expect_true (have_monotonic)) |
597 | if (expect_true (have_monotonic)) |
425 | { |
598 | { |
… | |
… | |
458 | struct timeval tv; |
631 | struct timeval tv; |
459 | |
632 | |
460 | tv.tv_sec = (time_t)delay; |
633 | tv.tv_sec = (time_t)delay; |
461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
634 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
462 | |
635 | |
|
|
636 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
637 | /* somehting not guaranteed by newer posix versions, but guaranteed */ |
|
|
638 | /* by older ones */ |
463 | select (0, 0, 0, 0, &tv); |
639 | select (0, 0, 0, 0, &tv); |
464 | #endif |
640 | #endif |
465 | } |
641 | } |
466 | } |
642 | } |
467 | |
643 | |
468 | /*****************************************************************************/ |
644 | /*****************************************************************************/ |
469 | |
645 | |
470 | int inline_size |
646 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
|
|
647 | |
|
|
648 | /* find a suitable new size for the given array, */ |
|
|
649 | /* hopefully by rounding to a ncie-to-malloc size */ |
|
|
650 | inline_size int |
471 | array_nextsize (int elem, int cur, int cnt) |
651 | array_nextsize (int elem, int cur, int cnt) |
472 | { |
652 | { |
473 | int ncur = cur + 1; |
653 | int ncur = cur + 1; |
474 | |
654 | |
475 | do |
655 | do |
476 | ncur <<= 1; |
656 | ncur <<= 1; |
477 | while (cnt > ncur); |
657 | while (cnt > ncur); |
478 | |
658 | |
479 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
659 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
480 | if (elem * ncur > 4096) |
660 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
481 | { |
661 | { |
482 | ncur *= elem; |
662 | ncur *= elem; |
483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
663 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
484 | ncur = ncur - sizeof (void *) * 4; |
664 | ncur = ncur - sizeof (void *) * 4; |
485 | ncur /= elem; |
665 | ncur /= elem; |
486 | } |
666 | } |
487 | |
667 | |
488 | return ncur; |
668 | return ncur; |
… | |
… | |
492 | array_realloc (int elem, void *base, int *cur, int cnt) |
672 | array_realloc (int elem, void *base, int *cur, int cnt) |
493 | { |
673 | { |
494 | *cur = array_nextsize (elem, *cur, cnt); |
674 | *cur = array_nextsize (elem, *cur, cnt); |
495 | return ev_realloc (base, elem * *cur); |
675 | return ev_realloc (base, elem * *cur); |
496 | } |
676 | } |
|
|
677 | |
|
|
678 | #define array_init_zero(base,count) \ |
|
|
679 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
497 | |
680 | |
498 | #define array_needsize(type,base,cur,cnt,init) \ |
681 | #define array_needsize(type,base,cur,cnt,init) \ |
499 | if (expect_false ((cnt) > (cur))) \ |
682 | if (expect_false ((cnt) > (cur))) \ |
500 | { \ |
683 | { \ |
501 | int ocur_ = (cur); \ |
684 | int ocur_ = (cur); \ |
… | |
… | |
513 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
696 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
514 | } |
697 | } |
515 | #endif |
698 | #endif |
516 | |
699 | |
517 | #define array_free(stem, idx) \ |
700 | #define array_free(stem, idx) \ |
518 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
701 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
519 | |
702 | |
520 | /*****************************************************************************/ |
703 | /*****************************************************************************/ |
|
|
704 | |
|
|
705 | /* dummy callback for pending events */ |
|
|
706 | static void noinline |
|
|
707 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
708 | { |
|
|
709 | } |
521 | |
710 | |
522 | void noinline |
711 | void noinline |
523 | ev_feed_event (EV_P_ void *w, int revents) |
712 | ev_feed_event (EV_P_ void *w, int revents) |
524 | { |
713 | { |
525 | W w_ = (W)w; |
714 | W w_ = (W)w; |
… | |
… | |
534 | pendings [pri][w_->pending - 1].w = w_; |
723 | pendings [pri][w_->pending - 1].w = w_; |
535 | pendings [pri][w_->pending - 1].events = revents; |
724 | pendings [pri][w_->pending - 1].events = revents; |
536 | } |
725 | } |
537 | } |
726 | } |
538 | |
727 | |
539 | void inline_speed |
728 | inline_speed void |
|
|
729 | feed_reverse (EV_P_ W w) |
|
|
730 | { |
|
|
731 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
732 | rfeeds [rfeedcnt++] = w; |
|
|
733 | } |
|
|
734 | |
|
|
735 | inline_size void |
|
|
736 | feed_reverse_done (EV_P_ int revents) |
|
|
737 | { |
|
|
738 | do |
|
|
739 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
740 | while (rfeedcnt); |
|
|
741 | } |
|
|
742 | |
|
|
743 | inline_speed void |
540 | queue_events (EV_P_ W *events, int eventcnt, int type) |
744 | queue_events (EV_P_ W *events, int eventcnt, int type) |
541 | { |
745 | { |
542 | int i; |
746 | int i; |
543 | |
747 | |
544 | for (i = 0; i < eventcnt; ++i) |
748 | for (i = 0; i < eventcnt; ++i) |
545 | ev_feed_event (EV_A_ events [i], type); |
749 | ev_feed_event (EV_A_ events [i], type); |
546 | } |
750 | } |
547 | |
751 | |
548 | /*****************************************************************************/ |
752 | /*****************************************************************************/ |
549 | |
753 | |
550 | void inline_size |
754 | inline_speed void |
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 |
|
|
564 | fd_event (EV_P_ int fd, int revents) |
755 | fd_event (EV_P_ int fd, int revents) |
565 | { |
756 | { |
566 | ANFD *anfd = anfds + fd; |
757 | ANFD *anfd = anfds + fd; |
567 | ev_io *w; |
758 | ev_io *w; |
568 | |
759 | |
… | |
… | |
580 | { |
771 | { |
581 | if (fd >= 0 && fd < anfdmax) |
772 | if (fd >= 0 && fd < anfdmax) |
582 | fd_event (EV_A_ fd, revents); |
773 | fd_event (EV_A_ fd, revents); |
583 | } |
774 | } |
584 | |
775 | |
585 | void inline_size |
776 | /* make sure the external fd watch events are in-sync */ |
|
|
777 | /* with the kernel/libev internal state */ |
|
|
778 | inline_size void |
586 | fd_reify (EV_P) |
779 | fd_reify (EV_P) |
587 | { |
780 | { |
588 | int i; |
781 | int i; |
589 | |
782 | |
590 | for (i = 0; i < fdchangecnt; ++i) |
783 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
599 | events |= (unsigned char)w->events; |
792 | events |= (unsigned char)w->events; |
600 | |
793 | |
601 | #if EV_SELECT_IS_WINSOCKET |
794 | #if EV_SELECT_IS_WINSOCKET |
602 | if (events) |
795 | if (events) |
603 | { |
796 | { |
604 | unsigned long argp; |
797 | unsigned long arg; |
605 | #ifdef EV_FD_TO_WIN32_HANDLE |
798 | #ifdef EV_FD_TO_WIN32_HANDLE |
606 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
799 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
607 | #else |
800 | #else |
608 | anfd->handle = _get_osfhandle (fd); |
801 | anfd->handle = _get_osfhandle (fd); |
609 | #endif |
802 | #endif |
610 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
803 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
611 | } |
804 | } |
612 | #endif |
805 | #endif |
613 | |
806 | |
614 | { |
807 | { |
615 | unsigned char o_events = anfd->events; |
808 | unsigned char o_events = anfd->events; |
616 | unsigned char o_reify = anfd->reify; |
809 | unsigned char o_reify = anfd->reify; |
617 | |
810 | |
618 | anfd->reify = 0; |
811 | anfd->reify = 0; |
619 | anfd->events = events; |
812 | anfd->events = events; |
620 | |
813 | |
621 | if (o_events != events || o_reify & EV_IOFDSET) |
814 | if (o_events != events || o_reify & EV__IOFDSET) |
622 | backend_modify (EV_A_ fd, o_events, events); |
815 | backend_modify (EV_A_ fd, o_events, events); |
623 | } |
816 | } |
624 | } |
817 | } |
625 | |
818 | |
626 | fdchangecnt = 0; |
819 | fdchangecnt = 0; |
627 | } |
820 | } |
628 | |
821 | |
629 | void inline_size |
822 | /* something about the given fd changed */ |
|
|
823 | inline_size void |
630 | fd_change (EV_P_ int fd, int flags) |
824 | fd_change (EV_P_ int fd, int flags) |
631 | { |
825 | { |
632 | unsigned char reify = anfds [fd].reify; |
826 | unsigned char reify = anfds [fd].reify; |
633 | anfds [fd].reify |= flags; |
827 | anfds [fd].reify |= flags; |
634 | |
828 | |
… | |
… | |
638 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
832 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
639 | fdchanges [fdchangecnt - 1] = fd; |
833 | fdchanges [fdchangecnt - 1] = fd; |
640 | } |
834 | } |
641 | } |
835 | } |
642 | |
836 | |
643 | void inline_speed |
837 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
838 | inline_speed void |
644 | fd_kill (EV_P_ int fd) |
839 | fd_kill (EV_P_ int fd) |
645 | { |
840 | { |
646 | ev_io *w; |
841 | ev_io *w; |
647 | |
842 | |
648 | while ((w = (ev_io *)anfds [fd].head)) |
843 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
650 | ev_io_stop (EV_A_ w); |
845 | ev_io_stop (EV_A_ w); |
651 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
846 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
652 | } |
847 | } |
653 | } |
848 | } |
654 | |
849 | |
655 | int inline_size |
850 | /* check whether the given fd is atcually valid, for error recovery */ |
|
|
851 | inline_size int |
656 | fd_valid (int fd) |
852 | fd_valid (int fd) |
657 | { |
853 | { |
658 | #ifdef _WIN32 |
854 | #ifdef _WIN32 |
659 | return _get_osfhandle (fd) != -1; |
855 | return _get_osfhandle (fd) != -1; |
660 | #else |
856 | #else |
… | |
… | |
668 | { |
864 | { |
669 | int fd; |
865 | int fd; |
670 | |
866 | |
671 | for (fd = 0; fd < anfdmax; ++fd) |
867 | for (fd = 0; fd < anfdmax; ++fd) |
672 | if (anfds [fd].events) |
868 | if (anfds [fd].events) |
673 | if (!fd_valid (fd) == -1 && errno == EBADF) |
869 | if (!fd_valid (fd) && errno == EBADF) |
674 | fd_kill (EV_A_ fd); |
870 | fd_kill (EV_A_ fd); |
675 | } |
871 | } |
676 | |
872 | |
677 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
873 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
678 | static void noinline |
874 | static void noinline |
… | |
… | |
696 | |
892 | |
697 | for (fd = 0; fd < anfdmax; ++fd) |
893 | for (fd = 0; fd < anfdmax; ++fd) |
698 | if (anfds [fd].events) |
894 | if (anfds [fd].events) |
699 | { |
895 | { |
700 | anfds [fd].events = 0; |
896 | anfds [fd].events = 0; |
|
|
897 | anfds [fd].emask = 0; |
701 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
898 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
702 | } |
899 | } |
703 | } |
900 | } |
704 | |
901 | |
705 | /*****************************************************************************/ |
902 | /*****************************************************************************/ |
706 | |
903 | |
707 | void inline_speed |
904 | /* |
708 | upheap (WT *heap, int k) |
905 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
709 | { |
906 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
710 | WT w = heap [k]; |
907 | * the branching factor of the d-tree. |
|
|
908 | */ |
711 | |
909 | |
712 | while (k) |
910 | /* |
713 | { |
911 | * at the moment we allow libev the luxury of two heaps, |
714 | int p = (k - 1) >> 1; |
912 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
913 | * which is more cache-efficient. |
|
|
914 | * the difference is about 5% with 50000+ watchers. |
|
|
915 | */ |
|
|
916 | #if EV_USE_4HEAP |
715 | |
917 | |
716 | if (heap [p]->at <= w->at) |
918 | #define DHEAP 4 |
|
|
919 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
920 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
921 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
922 | |
|
|
923 | /* away from the root */ |
|
|
924 | inline_speed void |
|
|
925 | downheap (ANHE *heap, int N, int k) |
|
|
926 | { |
|
|
927 | ANHE he = heap [k]; |
|
|
928 | ANHE *E = heap + N + HEAP0; |
|
|
929 | |
|
|
930 | for (;;) |
|
|
931 | { |
|
|
932 | ev_tstamp minat; |
|
|
933 | ANHE *minpos; |
|
|
934 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
|
|
935 | |
|
|
936 | /* find minimum child */ |
|
|
937 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
938 | { |
|
|
939 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
940 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
941 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
942 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
943 | } |
|
|
944 | else if (pos < E) |
|
|
945 | { |
|
|
946 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
947 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
948 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
949 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
950 | } |
|
|
951 | else |
717 | break; |
952 | break; |
718 | |
953 | |
|
|
954 | if (ANHE_at (he) <= minat) |
|
|
955 | break; |
|
|
956 | |
|
|
957 | heap [k] = *minpos; |
|
|
958 | ev_active (ANHE_w (*minpos)) = k; |
|
|
959 | |
|
|
960 | k = minpos - heap; |
|
|
961 | } |
|
|
962 | |
|
|
963 | heap [k] = he; |
|
|
964 | ev_active (ANHE_w (he)) = k; |
|
|
965 | } |
|
|
966 | |
|
|
967 | #else /* 4HEAP */ |
|
|
968 | |
|
|
969 | #define HEAP0 1 |
|
|
970 | #define HPARENT(k) ((k) >> 1) |
|
|
971 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
972 | |
|
|
973 | /* away from the root */ |
|
|
974 | inline_speed void |
|
|
975 | downheap (ANHE *heap, int N, int k) |
|
|
976 | { |
|
|
977 | ANHE he = heap [k]; |
|
|
978 | |
|
|
979 | for (;;) |
|
|
980 | { |
|
|
981 | int c = k << 1; |
|
|
982 | |
|
|
983 | if (c > N + HEAP0 - 1) |
|
|
984 | break; |
|
|
985 | |
|
|
986 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
987 | ? 1 : 0; |
|
|
988 | |
|
|
989 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
990 | break; |
|
|
991 | |
|
|
992 | heap [k] = heap [c]; |
|
|
993 | ev_active (ANHE_w (heap [k])) = k; |
|
|
994 | |
|
|
995 | k = c; |
|
|
996 | } |
|
|
997 | |
|
|
998 | heap [k] = he; |
|
|
999 | ev_active (ANHE_w (he)) = k; |
|
|
1000 | } |
|
|
1001 | #endif |
|
|
1002 | |
|
|
1003 | /* towards the root */ |
|
|
1004 | inline_speed void |
|
|
1005 | upheap (ANHE *heap, int k) |
|
|
1006 | { |
|
|
1007 | ANHE he = heap [k]; |
|
|
1008 | |
|
|
1009 | for (;;) |
|
|
1010 | { |
|
|
1011 | int p = HPARENT (k); |
|
|
1012 | |
|
|
1013 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
1014 | break; |
|
|
1015 | |
719 | heap [k] = heap [p]; |
1016 | heap [k] = heap [p]; |
720 | ((W)heap [k])->active = k + 1; |
1017 | ev_active (ANHE_w (heap [k])) = k; |
721 | k = p; |
1018 | k = p; |
722 | } |
1019 | } |
723 | |
1020 | |
724 | heap [k] = w; |
1021 | heap [k] = he; |
725 | ((W)heap [k])->active = k + 1; |
1022 | ev_active (ANHE_w (he)) = k; |
726 | } |
1023 | } |
727 | |
1024 | |
728 | void inline_speed |
1025 | /* move an element suitably so it is in a correct place */ |
729 | downheap (WT *heap, int N, int k) |
1026 | inline_size void |
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 | } |
|
|
755 | |
|
|
756 | void inline_size |
|
|
757 | adjustheap (WT *heap, int N, int k) |
1027 | adjustheap (ANHE *heap, int N, int k) |
758 | { |
1028 | { |
|
|
1029 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
759 | upheap (heap, k); |
1030 | upheap (heap, k); |
|
|
1031 | else |
760 | downheap (heap, N, k); |
1032 | downheap (heap, N, k); |
|
|
1033 | } |
|
|
1034 | |
|
|
1035 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
1036 | inline_size void |
|
|
1037 | reheap (ANHE *heap, int N) |
|
|
1038 | { |
|
|
1039 | int i; |
|
|
1040 | |
|
|
1041 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
1042 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
1043 | for (i = 0; i < N; ++i) |
|
|
1044 | upheap (heap, i + HEAP0); |
761 | } |
1045 | } |
762 | |
1046 | |
763 | /*****************************************************************************/ |
1047 | /*****************************************************************************/ |
764 | |
1048 | |
|
|
1049 | /* associate signal watchers to a signal signal */ |
765 | typedef struct |
1050 | typedef struct |
766 | { |
1051 | { |
767 | WL head; |
1052 | WL head; |
768 | EV_ATOMIC_T gotsig; |
1053 | EV_ATOMIC_T gotsig; |
769 | } ANSIG; |
1054 | } ANSIG; |
… | |
… | |
771 | static ANSIG *signals; |
1056 | static ANSIG *signals; |
772 | static int signalmax; |
1057 | static int signalmax; |
773 | |
1058 | |
774 | static EV_ATOMIC_T gotsig; |
1059 | static EV_ATOMIC_T gotsig; |
775 | |
1060 | |
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 | /*****************************************************************************/ |
1061 | /*****************************************************************************/ |
789 | |
1062 | |
790 | void inline_speed |
1063 | /* used to prepare libev internal fd's */ |
|
|
1064 | /* this is not fork-safe */ |
|
|
1065 | inline_speed void |
791 | fd_intern (int fd) |
1066 | fd_intern (int fd) |
792 | { |
1067 | { |
793 | #ifdef _WIN32 |
1068 | #ifdef _WIN32 |
794 | int arg = 1; |
1069 | unsigned long arg = 1; |
795 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1070 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
796 | #else |
1071 | #else |
797 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1072 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
798 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1073 | fcntl (fd, F_SETFL, O_NONBLOCK); |
799 | #endif |
1074 | #endif |
800 | } |
1075 | } |
801 | |
1076 | |
802 | static void noinline |
1077 | static void noinline |
803 | evpipe_init (EV_P) |
1078 | evpipe_init (EV_P) |
804 | { |
1079 | { |
805 | if (!ev_is_active (&pipeev)) |
1080 | if (!ev_is_active (&pipe_w)) |
806 | { |
1081 | { |
|
|
1082 | #if EV_USE_EVENTFD |
|
|
1083 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
1084 | { |
|
|
1085 | evpipe [0] = -1; |
|
|
1086 | fd_intern (evfd); |
|
|
1087 | ev_io_set (&pipe_w, evfd, EV_READ); |
|
|
1088 | } |
|
|
1089 | else |
|
|
1090 | #endif |
|
|
1091 | { |
807 | while (pipe (evpipe)) |
1092 | while (pipe (evpipe)) |
808 | syserr ("(libev) error creating signal/async pipe"); |
1093 | ev_syserr ("(libev) error creating signal/async pipe"); |
809 | |
1094 | |
810 | fd_intern (evpipe [0]); |
1095 | fd_intern (evpipe [0]); |
811 | fd_intern (evpipe [1]); |
1096 | fd_intern (evpipe [1]); |
812 | |
|
|
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1097 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
|
|
1098 | } |
|
|
1099 | |
814 | ev_io_start (EV_A_ &pipeev); |
1100 | ev_io_start (EV_A_ &pipe_w); |
815 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1101 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
816 | } |
1102 | } |
817 | } |
1103 | } |
818 | |
1104 | |
819 | void inline_size |
1105 | inline_size void |
820 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1106 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
821 | { |
1107 | { |
822 | if (!*flag) |
1108 | if (!*flag) |
823 | { |
1109 | { |
824 | int old_errno = errno; /* save errno because write might clobber it */ |
1110 | int old_errno = errno; /* save errno because write might clobber it */ |
825 | |
1111 | |
826 | *flag = 1; |
1112 | *flag = 1; |
|
|
1113 | |
|
|
1114 | #if EV_USE_EVENTFD |
|
|
1115 | if (evfd >= 0) |
|
|
1116 | { |
|
|
1117 | uint64_t counter = 1; |
|
|
1118 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1119 | } |
|
|
1120 | else |
|
|
1121 | #endif |
827 | write (evpipe [1], &old_errno, 1); |
1122 | write (evpipe [1], &old_errno, 1); |
828 | |
1123 | |
829 | errno = old_errno; |
1124 | errno = old_errno; |
830 | } |
1125 | } |
831 | } |
1126 | } |
832 | |
1127 | |
|
|
1128 | /* called whenever the libev signal pipe */ |
|
|
1129 | /* got some events (signal, async) */ |
833 | static void |
1130 | static void |
834 | pipecb (EV_P_ ev_io *iow, int revents) |
1131 | pipecb (EV_P_ ev_io *iow, int revents) |
835 | { |
1132 | { |
|
|
1133 | #if EV_USE_EVENTFD |
|
|
1134 | if (evfd >= 0) |
836 | { |
1135 | { |
837 | int dummy; |
1136 | uint64_t counter; |
|
|
1137 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1138 | } |
|
|
1139 | else |
|
|
1140 | #endif |
|
|
1141 | { |
|
|
1142 | char dummy; |
838 | read (evpipe [0], &dummy, 1); |
1143 | read (evpipe [0], &dummy, 1); |
839 | } |
1144 | } |
840 | |
1145 | |
841 | if (gotsig && ev_is_default_loop (EV_A)) |
1146 | if (gotsig && ev_is_default_loop (EV_A)) |
842 | { |
1147 | { |
843 | int signum; |
1148 | int signum; |
844 | gotsig = 0; |
1149 | gotsig = 0; |
… | |
… | |
865 | } |
1170 | } |
866 | |
1171 | |
867 | /*****************************************************************************/ |
1172 | /*****************************************************************************/ |
868 | |
1173 | |
869 | static void |
1174 | static void |
870 | sighandler (int signum) |
1175 | ev_sighandler (int signum) |
871 | { |
1176 | { |
872 | #if EV_MULTIPLICITY |
1177 | #if EV_MULTIPLICITY |
873 | struct ev_loop *loop = &default_loop_struct; |
1178 | struct ev_loop *loop = &default_loop_struct; |
874 | #endif |
1179 | #endif |
875 | |
1180 | |
876 | #if _WIN32 |
1181 | #if _WIN32 |
877 | signal (signum, sighandler); |
1182 | signal (signum, ev_sighandler); |
878 | #endif |
1183 | #endif |
879 | |
1184 | |
880 | signals [signum - 1].gotsig = 1; |
1185 | signals [signum - 1].gotsig = 1; |
881 | evpipe_write (EV_A_ &gotsig); |
1186 | evpipe_write (EV_A_ &gotsig); |
882 | } |
1187 | } |
… | |
… | |
885 | ev_feed_signal_event (EV_P_ int signum) |
1190 | ev_feed_signal_event (EV_P_ int signum) |
886 | { |
1191 | { |
887 | WL w; |
1192 | WL w; |
888 | |
1193 | |
889 | #if EV_MULTIPLICITY |
1194 | #if EV_MULTIPLICITY |
890 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1195 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
891 | #endif |
1196 | #endif |
892 | |
1197 | |
893 | --signum; |
1198 | --signum; |
894 | |
1199 | |
895 | if (signum < 0 || signum >= signalmax) |
1200 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
911 | |
1216 | |
912 | #ifndef WIFCONTINUED |
1217 | #ifndef WIFCONTINUED |
913 | # define WIFCONTINUED(status) 0 |
1218 | # define WIFCONTINUED(status) 0 |
914 | #endif |
1219 | #endif |
915 | |
1220 | |
916 | void inline_speed |
1221 | /* handle a single child status event */ |
|
|
1222 | inline_speed void |
917 | child_reap (EV_P_ int chain, int pid, int status) |
1223 | child_reap (EV_P_ int chain, int pid, int status) |
918 | { |
1224 | { |
919 | ev_child *w; |
1225 | ev_child *w; |
920 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1226 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
921 | |
1227 | |
… | |
… | |
934 | |
1240 | |
935 | #ifndef WCONTINUED |
1241 | #ifndef WCONTINUED |
936 | # define WCONTINUED 0 |
1242 | # define WCONTINUED 0 |
937 | #endif |
1243 | #endif |
938 | |
1244 | |
|
|
1245 | /* called on sigchld etc., calls waitpid */ |
939 | static void |
1246 | static void |
940 | childcb (EV_P_ ev_signal *sw, int revents) |
1247 | childcb (EV_P_ ev_signal *sw, int revents) |
941 | { |
1248 | { |
942 | int pid, status; |
1249 | int pid, status; |
943 | |
1250 | |
… | |
… | |
1024 | /* kqueue is borked on everything but netbsd apparently */ |
1331 | /* kqueue is borked on everything but netbsd apparently */ |
1025 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1332 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1026 | flags &= ~EVBACKEND_KQUEUE; |
1333 | flags &= ~EVBACKEND_KQUEUE; |
1027 | #endif |
1334 | #endif |
1028 | #ifdef __APPLE__ |
1335 | #ifdef __APPLE__ |
1029 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1336 | /* only select works correctly on that "unix-certified" platform */ |
1030 | flags &= ~EVBACKEND_POLL; |
1337 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1338 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1031 | #endif |
1339 | #endif |
1032 | |
1340 | |
1033 | return flags; |
1341 | return flags; |
1034 | } |
1342 | } |
1035 | |
1343 | |
… | |
… | |
1055 | ev_loop_count (EV_P) |
1363 | ev_loop_count (EV_P) |
1056 | { |
1364 | { |
1057 | return loop_count; |
1365 | return loop_count; |
1058 | } |
1366 | } |
1059 | |
1367 | |
|
|
1368 | unsigned int |
|
|
1369 | ev_loop_depth (EV_P) |
|
|
1370 | { |
|
|
1371 | return loop_depth; |
|
|
1372 | } |
|
|
1373 | |
1060 | void |
1374 | void |
1061 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1375 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1062 | { |
1376 | { |
1063 | io_blocktime = interval; |
1377 | io_blocktime = interval; |
1064 | } |
1378 | } |
… | |
… | |
1067 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1381 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1068 | { |
1382 | { |
1069 | timeout_blocktime = interval; |
1383 | timeout_blocktime = interval; |
1070 | } |
1384 | } |
1071 | |
1385 | |
|
|
1386 | /* initialise a loop structure, must be zero-initialised */ |
1072 | static void noinline |
1387 | static void noinline |
1073 | loop_init (EV_P_ unsigned int flags) |
1388 | loop_init (EV_P_ unsigned int flags) |
1074 | { |
1389 | { |
1075 | if (!backend) |
1390 | if (!backend) |
1076 | { |
1391 | { |
|
|
1392 | #if EV_USE_REALTIME |
|
|
1393 | if (!have_realtime) |
|
|
1394 | { |
|
|
1395 | struct timespec ts; |
|
|
1396 | |
|
|
1397 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1398 | have_realtime = 1; |
|
|
1399 | } |
|
|
1400 | #endif |
|
|
1401 | |
1077 | #if EV_USE_MONOTONIC |
1402 | #if EV_USE_MONOTONIC |
|
|
1403 | if (!have_monotonic) |
1078 | { |
1404 | { |
1079 | struct timespec ts; |
1405 | struct timespec ts; |
|
|
1406 | |
1080 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1407 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1081 | have_monotonic = 1; |
1408 | have_monotonic = 1; |
1082 | } |
1409 | } |
1083 | #endif |
1410 | #endif |
1084 | |
1411 | |
1085 | ev_rt_now = ev_time (); |
1412 | ev_rt_now = ev_time (); |
1086 | mn_now = get_clock (); |
1413 | mn_now = get_clock (); |
1087 | now_floor = mn_now; |
1414 | now_floor = mn_now; |
1088 | rtmn_diff = ev_rt_now - mn_now; |
1415 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1416 | invoke_cb = ev_invoke_pending; |
1089 | |
1417 | |
1090 | io_blocktime = 0.; |
1418 | io_blocktime = 0.; |
1091 | timeout_blocktime = 0.; |
1419 | timeout_blocktime = 0.; |
1092 | backend = 0; |
1420 | backend = 0; |
1093 | backend_fd = -1; |
1421 | backend_fd = -1; |
… | |
… | |
1105 | if (!(flags & EVFLAG_NOENV) |
1433 | if (!(flags & EVFLAG_NOENV) |
1106 | && !enable_secure () |
1434 | && !enable_secure () |
1107 | && getenv ("LIBEV_FLAGS")) |
1435 | && getenv ("LIBEV_FLAGS")) |
1108 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1436 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1109 | |
1437 | |
1110 | if (!(flags & 0x0000ffffUL)) |
1438 | if (!(flags & 0x0000ffffU)) |
1111 | flags |= ev_recommended_backends (); |
1439 | flags |= ev_recommended_backends (); |
1112 | |
1440 | |
1113 | #if EV_USE_PORT |
1441 | #if EV_USE_PORT |
1114 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1442 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1115 | #endif |
1443 | #endif |
… | |
… | |
1124 | #endif |
1452 | #endif |
1125 | #if EV_USE_SELECT |
1453 | #if EV_USE_SELECT |
1126 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1454 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1127 | #endif |
1455 | #endif |
1128 | |
1456 | |
|
|
1457 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1458 | |
1129 | ev_init (&pipeev, pipecb); |
1459 | ev_init (&pipe_w, pipecb); |
1130 | ev_set_priority (&pipeev, EV_MAXPRI); |
1460 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1131 | } |
1461 | } |
1132 | } |
1462 | } |
1133 | |
1463 | |
|
|
1464 | /* free up a loop structure */ |
1134 | static void noinline |
1465 | static void noinline |
1135 | loop_destroy (EV_P) |
1466 | loop_destroy (EV_P) |
1136 | { |
1467 | { |
1137 | int i; |
1468 | int i; |
1138 | |
1469 | |
1139 | if (ev_is_active (&pipeev)) |
1470 | if (ev_is_active (&pipe_w)) |
1140 | { |
1471 | { |
1141 | ev_ref (EV_A); /* signal watcher */ |
1472 | ev_ref (EV_A); /* signal watcher */ |
1142 | ev_io_stop (EV_A_ &pipeev); |
1473 | ev_io_stop (EV_A_ &pipe_w); |
1143 | |
1474 | |
1144 | close (evpipe [0]); evpipe [0] = 0; |
1475 | #if EV_USE_EVENTFD |
1145 | close (evpipe [1]); evpipe [1] = 0; |
1476 | if (evfd >= 0) |
|
|
1477 | close (evfd); |
|
|
1478 | #endif |
|
|
1479 | |
|
|
1480 | if (evpipe [0] >= 0) |
|
|
1481 | { |
|
|
1482 | close (evpipe [0]); |
|
|
1483 | close (evpipe [1]); |
|
|
1484 | } |
1146 | } |
1485 | } |
1147 | |
1486 | |
1148 | #if EV_USE_INOTIFY |
1487 | #if EV_USE_INOTIFY |
1149 | if (fs_fd >= 0) |
1488 | if (fs_fd >= 0) |
1150 | close (fs_fd); |
1489 | close (fs_fd); |
… | |
… | |
1178 | } |
1517 | } |
1179 | |
1518 | |
1180 | ev_free (anfds); anfdmax = 0; |
1519 | ev_free (anfds); anfdmax = 0; |
1181 | |
1520 | |
1182 | /* have to use the microsoft-never-gets-it-right macro */ |
1521 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1522 | array_free (rfeed, EMPTY); |
1183 | array_free (fdchange, EMPTY); |
1523 | array_free (fdchange, EMPTY); |
1184 | array_free (timer, EMPTY); |
1524 | array_free (timer, EMPTY); |
1185 | #if EV_PERIODIC_ENABLE |
1525 | #if EV_PERIODIC_ENABLE |
1186 | array_free (periodic, EMPTY); |
1526 | array_free (periodic, EMPTY); |
1187 | #endif |
1527 | #endif |
… | |
… | |
1195 | #endif |
1535 | #endif |
1196 | |
1536 | |
1197 | backend = 0; |
1537 | backend = 0; |
1198 | } |
1538 | } |
1199 | |
1539 | |
|
|
1540 | #if EV_USE_INOTIFY |
1200 | void inline_size infy_fork (EV_P); |
1541 | inline_size void infy_fork (EV_P); |
|
|
1542 | #endif |
1201 | |
1543 | |
1202 | void inline_size |
1544 | inline_size void |
1203 | loop_fork (EV_P) |
1545 | loop_fork (EV_P) |
1204 | { |
1546 | { |
1205 | #if EV_USE_PORT |
1547 | #if EV_USE_PORT |
1206 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1548 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1207 | #endif |
1549 | #endif |
… | |
… | |
1213 | #endif |
1555 | #endif |
1214 | #if EV_USE_INOTIFY |
1556 | #if EV_USE_INOTIFY |
1215 | infy_fork (EV_A); |
1557 | infy_fork (EV_A); |
1216 | #endif |
1558 | #endif |
1217 | |
1559 | |
1218 | if (ev_is_active (&pipeev)) |
1560 | if (ev_is_active (&pipe_w)) |
1219 | { |
1561 | { |
1220 | /* this "locks" the handlers against writing to the pipe */ |
1562 | /* this "locks" the handlers against writing to the pipe */ |
1221 | /* while we modify the fd vars */ |
1563 | /* while we modify the fd vars */ |
1222 | gotsig = 1; |
1564 | gotsig = 1; |
1223 | #if EV_ASYNC_ENABLE |
1565 | #if EV_ASYNC_ENABLE |
1224 | gotasync = 1; |
1566 | gotasync = 1; |
1225 | #endif |
1567 | #endif |
1226 | |
1568 | |
1227 | ev_ref (EV_A); |
1569 | ev_ref (EV_A); |
1228 | ev_io_stop (EV_A_ &pipeev); |
1570 | ev_io_stop (EV_A_ &pipe_w); |
|
|
1571 | |
|
|
1572 | #if EV_USE_EVENTFD |
|
|
1573 | if (evfd >= 0) |
|
|
1574 | close (evfd); |
|
|
1575 | #endif |
|
|
1576 | |
|
|
1577 | if (evpipe [0] >= 0) |
|
|
1578 | { |
1229 | close (evpipe [0]); |
1579 | close (evpipe [0]); |
1230 | close (evpipe [1]); |
1580 | close (evpipe [1]); |
|
|
1581 | } |
1231 | |
1582 | |
1232 | evpipe_init (EV_A); |
1583 | evpipe_init (EV_A); |
1233 | /* now iterate over everything, in case we missed something */ |
1584 | /* now iterate over everything, in case we missed something */ |
1234 | pipecb (EV_A_ &pipeev, EV_READ); |
1585 | pipecb (EV_A_ &pipe_w, EV_READ); |
1235 | } |
1586 | } |
1236 | |
1587 | |
1237 | postfork = 0; |
1588 | postfork = 0; |
1238 | } |
1589 | } |
1239 | |
1590 | |
1240 | #if EV_MULTIPLICITY |
1591 | #if EV_MULTIPLICITY |
|
|
1592 | |
1241 | struct ev_loop * |
1593 | struct ev_loop * |
1242 | ev_loop_new (unsigned int flags) |
1594 | ev_loop_new (unsigned int flags) |
1243 | { |
1595 | { |
1244 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1596 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1245 | |
1597 | |
… | |
… | |
1264 | ev_loop_fork (EV_P) |
1616 | ev_loop_fork (EV_P) |
1265 | { |
1617 | { |
1266 | postfork = 1; /* must be in line with ev_default_fork */ |
1618 | postfork = 1; /* must be in line with ev_default_fork */ |
1267 | } |
1619 | } |
1268 | |
1620 | |
|
|
1621 | #if EV_VERIFY |
|
|
1622 | static void noinline |
|
|
1623 | verify_watcher (EV_P_ W w) |
|
|
1624 | { |
|
|
1625 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1626 | |
|
|
1627 | if (w->pending) |
|
|
1628 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1629 | } |
|
|
1630 | |
|
|
1631 | static void noinline |
|
|
1632 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1633 | { |
|
|
1634 | int i; |
|
|
1635 | |
|
|
1636 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1637 | { |
|
|
1638 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1639 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1640 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1641 | |
|
|
1642 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1643 | } |
|
|
1644 | } |
|
|
1645 | |
|
|
1646 | static void noinline |
|
|
1647 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1648 | { |
|
|
1649 | while (cnt--) |
|
|
1650 | { |
|
|
1651 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1652 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1653 | } |
|
|
1654 | } |
|
|
1655 | #endif |
|
|
1656 | |
|
|
1657 | void |
|
|
1658 | ev_loop_verify (EV_P) |
|
|
1659 | { |
|
|
1660 | #if EV_VERIFY |
|
|
1661 | int i; |
|
|
1662 | WL w; |
|
|
1663 | |
|
|
1664 | assert (activecnt >= -1); |
|
|
1665 | |
|
|
1666 | assert (fdchangemax >= fdchangecnt); |
|
|
1667 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1668 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1669 | |
|
|
1670 | assert (anfdmax >= 0); |
|
|
1671 | for (i = 0; i < anfdmax; ++i) |
|
|
1672 | for (w = anfds [i].head; w; w = w->next) |
|
|
1673 | { |
|
|
1674 | verify_watcher (EV_A_ (W)w); |
|
|
1675 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1676 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1677 | } |
|
|
1678 | |
|
|
1679 | assert (timermax >= timercnt); |
|
|
1680 | verify_heap (EV_A_ timers, timercnt); |
|
|
1681 | |
|
|
1682 | #if EV_PERIODIC_ENABLE |
|
|
1683 | assert (periodicmax >= periodiccnt); |
|
|
1684 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1685 | #endif |
|
|
1686 | |
|
|
1687 | for (i = NUMPRI; i--; ) |
|
|
1688 | { |
|
|
1689 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1690 | #if EV_IDLE_ENABLE |
|
|
1691 | assert (idleall >= 0); |
|
|
1692 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1693 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1694 | #endif |
|
|
1695 | } |
|
|
1696 | |
|
|
1697 | #if EV_FORK_ENABLE |
|
|
1698 | assert (forkmax >= forkcnt); |
|
|
1699 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1700 | #endif |
|
|
1701 | |
|
|
1702 | #if EV_ASYNC_ENABLE |
|
|
1703 | assert (asyncmax >= asynccnt); |
|
|
1704 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1705 | #endif |
|
|
1706 | |
|
|
1707 | assert (preparemax >= preparecnt); |
|
|
1708 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1709 | |
|
|
1710 | assert (checkmax >= checkcnt); |
|
|
1711 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1712 | |
|
|
1713 | # if 0 |
|
|
1714 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1715 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1269 | #endif |
1716 | # endif |
|
|
1717 | #endif |
|
|
1718 | } |
|
|
1719 | |
|
|
1720 | #endif /* multiplicity */ |
1270 | |
1721 | |
1271 | #if EV_MULTIPLICITY |
1722 | #if EV_MULTIPLICITY |
1272 | struct ev_loop * |
1723 | struct ev_loop * |
1273 | ev_default_loop_init (unsigned int flags) |
1724 | ev_default_loop_init (unsigned int flags) |
1274 | #else |
1725 | #else |
… | |
… | |
1307 | { |
1758 | { |
1308 | #if EV_MULTIPLICITY |
1759 | #if EV_MULTIPLICITY |
1309 | struct ev_loop *loop = ev_default_loop_ptr; |
1760 | struct ev_loop *loop = ev_default_loop_ptr; |
1310 | #endif |
1761 | #endif |
1311 | |
1762 | |
|
|
1763 | ev_default_loop_ptr = 0; |
|
|
1764 | |
1312 | #ifndef _WIN32 |
1765 | #ifndef _WIN32 |
1313 | ev_ref (EV_A); /* child watcher */ |
1766 | ev_ref (EV_A); /* child watcher */ |
1314 | ev_signal_stop (EV_A_ &childev); |
1767 | ev_signal_stop (EV_A_ &childev); |
1315 | #endif |
1768 | #endif |
1316 | |
1769 | |
… | |
… | |
1322 | { |
1775 | { |
1323 | #if EV_MULTIPLICITY |
1776 | #if EV_MULTIPLICITY |
1324 | struct ev_loop *loop = ev_default_loop_ptr; |
1777 | struct ev_loop *loop = ev_default_loop_ptr; |
1325 | #endif |
1778 | #endif |
1326 | |
1779 | |
1327 | if (backend) |
|
|
1328 | postfork = 1; /* must be in line with ev_loop_fork */ |
1780 | postfork = 1; /* must be in line with ev_loop_fork */ |
1329 | } |
1781 | } |
1330 | |
1782 | |
1331 | /*****************************************************************************/ |
1783 | /*****************************************************************************/ |
1332 | |
1784 | |
1333 | void |
1785 | void |
1334 | ev_invoke (EV_P_ void *w, int revents) |
1786 | ev_invoke (EV_P_ void *w, int revents) |
1335 | { |
1787 | { |
1336 | EV_CB_INVOKE ((W)w, revents); |
1788 | EV_CB_INVOKE ((W)w, revents); |
1337 | } |
1789 | } |
1338 | |
1790 | |
1339 | void inline_speed |
1791 | void |
1340 | call_pending (EV_P) |
1792 | ev_invoke_pending (EV_P) |
1341 | { |
1793 | { |
1342 | int pri; |
1794 | int pri; |
1343 | |
1795 | |
1344 | for (pri = NUMPRI; pri--; ) |
1796 | for (pri = NUMPRI; pri--; ) |
1345 | while (pendingcnt [pri]) |
1797 | while (pendingcnt [pri]) |
1346 | { |
1798 | { |
1347 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1799 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1348 | |
1800 | |
1349 | if (expect_true (p->w)) |
|
|
1350 | { |
|
|
1351 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1801 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1802 | /* ^ this is no longer true, as pending_w could be here */ |
1352 | |
1803 | |
1353 | p->w->pending = 0; |
1804 | p->w->pending = 0; |
1354 | EV_CB_INVOKE (p->w, p->events); |
1805 | EV_CB_INVOKE (p->w, p->events); |
1355 | } |
1806 | EV_FREQUENT_CHECK; |
1356 | } |
1807 | } |
1357 | } |
1808 | } |
1358 | |
1809 | |
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 | |
|
|
1439 | #if EV_IDLE_ENABLE |
1810 | #if EV_IDLE_ENABLE |
1440 | void inline_size |
1811 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
1812 | /* only when higher priorities are idle" logic */ |
|
|
1813 | inline_size void |
1441 | idle_reify (EV_P) |
1814 | idle_reify (EV_P) |
1442 | { |
1815 | { |
1443 | if (expect_false (idleall)) |
1816 | if (expect_false (idleall)) |
1444 | { |
1817 | { |
1445 | int pri; |
1818 | int pri; |
… | |
… | |
1457 | } |
1830 | } |
1458 | } |
1831 | } |
1459 | } |
1832 | } |
1460 | #endif |
1833 | #endif |
1461 | |
1834 | |
1462 | void inline_speed |
1835 | /* make timers pending */ |
|
|
1836 | inline_size void |
|
|
1837 | timers_reify (EV_P) |
|
|
1838 | { |
|
|
1839 | EV_FREQUENT_CHECK; |
|
|
1840 | |
|
|
1841 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1842 | { |
|
|
1843 | do |
|
|
1844 | { |
|
|
1845 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1846 | |
|
|
1847 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1848 | |
|
|
1849 | /* first reschedule or stop timer */ |
|
|
1850 | if (w->repeat) |
|
|
1851 | { |
|
|
1852 | ev_at (w) += w->repeat; |
|
|
1853 | if (ev_at (w) < mn_now) |
|
|
1854 | ev_at (w) = mn_now; |
|
|
1855 | |
|
|
1856 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1857 | |
|
|
1858 | ANHE_at_cache (timers [HEAP0]); |
|
|
1859 | downheap (timers, timercnt, HEAP0); |
|
|
1860 | } |
|
|
1861 | else |
|
|
1862 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1863 | |
|
|
1864 | EV_FREQUENT_CHECK; |
|
|
1865 | feed_reverse (EV_A_ (W)w); |
|
|
1866 | } |
|
|
1867 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
|
|
1868 | |
|
|
1869 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
|
|
1870 | } |
|
|
1871 | } |
|
|
1872 | |
|
|
1873 | #if EV_PERIODIC_ENABLE |
|
|
1874 | /* make periodics pending */ |
|
|
1875 | inline_size void |
|
|
1876 | periodics_reify (EV_P) |
|
|
1877 | { |
|
|
1878 | EV_FREQUENT_CHECK; |
|
|
1879 | |
|
|
1880 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1881 | { |
|
|
1882 | int feed_count = 0; |
|
|
1883 | |
|
|
1884 | do |
|
|
1885 | { |
|
|
1886 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1887 | |
|
|
1888 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1889 | |
|
|
1890 | /* first reschedule or stop timer */ |
|
|
1891 | if (w->reschedule_cb) |
|
|
1892 | { |
|
|
1893 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1894 | |
|
|
1895 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1896 | |
|
|
1897 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1898 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1899 | } |
|
|
1900 | else if (w->interval) |
|
|
1901 | { |
|
|
1902 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1903 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1904 | /* this might happen because of floating point inexactness */ |
|
|
1905 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1906 | { |
|
|
1907 | ev_at (w) += w->interval; |
|
|
1908 | |
|
|
1909 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1910 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1911 | /* has effectively asked to get triggered more often than possible */ |
|
|
1912 | if (ev_at (w) < ev_rt_now) |
|
|
1913 | ev_at (w) = ev_rt_now; |
|
|
1914 | } |
|
|
1915 | |
|
|
1916 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1917 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1918 | } |
|
|
1919 | else |
|
|
1920 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1921 | |
|
|
1922 | EV_FREQUENT_CHECK; |
|
|
1923 | feed_reverse (EV_A_ (W)w); |
|
|
1924 | } |
|
|
1925 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
|
|
1926 | |
|
|
1927 | feed_reverse_done (EV_A_ EV_PERIODIC); |
|
|
1928 | } |
|
|
1929 | } |
|
|
1930 | |
|
|
1931 | /* simply recalculate all periodics */ |
|
|
1932 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
|
|
1933 | static void noinline |
|
|
1934 | periodics_reschedule (EV_P) |
|
|
1935 | { |
|
|
1936 | int i; |
|
|
1937 | |
|
|
1938 | /* adjust periodics after time jump */ |
|
|
1939 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1940 | { |
|
|
1941 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1942 | |
|
|
1943 | if (w->reschedule_cb) |
|
|
1944 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1945 | else if (w->interval) |
|
|
1946 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1947 | |
|
|
1948 | ANHE_at_cache (periodics [i]); |
|
|
1949 | } |
|
|
1950 | |
|
|
1951 | reheap (periodics, periodiccnt); |
|
|
1952 | } |
|
|
1953 | #endif |
|
|
1954 | |
|
|
1955 | /* adjust all timers by a given offset */ |
|
|
1956 | static void noinline |
|
|
1957 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
1958 | { |
|
|
1959 | int i; |
|
|
1960 | |
|
|
1961 | for (i = 0; i < timercnt; ++i) |
|
|
1962 | { |
|
|
1963 | ANHE *he = timers + i + HEAP0; |
|
|
1964 | ANHE_w (*he)->at += adjust; |
|
|
1965 | ANHE_at_cache (*he); |
|
|
1966 | } |
|
|
1967 | } |
|
|
1968 | |
|
|
1969 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
1970 | /* also detetc if there was a timejump, and act accordingly */ |
|
|
1971 | inline_speed void |
1463 | time_update (EV_P_ ev_tstamp max_block) |
1972 | time_update (EV_P_ ev_tstamp max_block) |
1464 | { |
1973 | { |
1465 | int i; |
|
|
1466 | |
|
|
1467 | #if EV_USE_MONOTONIC |
1974 | #if EV_USE_MONOTONIC |
1468 | if (expect_true (have_monotonic)) |
1975 | if (expect_true (have_monotonic)) |
1469 | { |
1976 | { |
|
|
1977 | int i; |
1470 | ev_tstamp odiff = rtmn_diff; |
1978 | ev_tstamp odiff = rtmn_diff; |
1471 | |
1979 | |
1472 | mn_now = get_clock (); |
1980 | mn_now = get_clock (); |
1473 | |
1981 | |
1474 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
1982 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1492 | */ |
2000 | */ |
1493 | for (i = 4; --i; ) |
2001 | for (i = 4; --i; ) |
1494 | { |
2002 | { |
1495 | rtmn_diff = ev_rt_now - mn_now; |
2003 | rtmn_diff = ev_rt_now - mn_now; |
1496 | |
2004 | |
1497 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
2005 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1498 | return; /* all is well */ |
2006 | return; /* all is well */ |
1499 | |
2007 | |
1500 | ev_rt_now = ev_time (); |
2008 | ev_rt_now = ev_time (); |
1501 | mn_now = get_clock (); |
2009 | mn_now = get_clock (); |
1502 | now_floor = mn_now; |
2010 | now_floor = mn_now; |
1503 | } |
2011 | } |
1504 | |
2012 | |
|
|
2013 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
2014 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1505 | # if EV_PERIODIC_ENABLE |
2015 | # if EV_PERIODIC_ENABLE |
1506 | periodics_reschedule (EV_A); |
2016 | periodics_reschedule (EV_A); |
1507 | # endif |
2017 | # endif |
1508 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1509 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1510 | } |
2018 | } |
1511 | else |
2019 | else |
1512 | #endif |
2020 | #endif |
1513 | { |
2021 | { |
1514 | ev_rt_now = ev_time (); |
2022 | ev_rt_now = ev_time (); |
1515 | |
2023 | |
1516 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2024 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1517 | { |
2025 | { |
|
|
2026 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2027 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1518 | #if EV_PERIODIC_ENABLE |
2028 | #if EV_PERIODIC_ENABLE |
1519 | periodics_reschedule (EV_A); |
2029 | periodics_reschedule (EV_A); |
1520 | #endif |
2030 | #endif |
1521 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1522 | for (i = 0; i < timercnt; ++i) |
|
|
1523 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
|
|
1524 | } |
2031 | } |
1525 | |
2032 | |
1526 | mn_now = ev_rt_now; |
2033 | mn_now = ev_rt_now; |
1527 | } |
2034 | } |
1528 | } |
2035 | } |
1529 | |
2036 | |
1530 | void |
2037 | void |
1531 | ev_ref (EV_P) |
|
|
1532 | { |
|
|
1533 | ++activecnt; |
|
|
1534 | } |
|
|
1535 | |
|
|
1536 | void |
|
|
1537 | ev_unref (EV_P) |
|
|
1538 | { |
|
|
1539 | --activecnt; |
|
|
1540 | } |
|
|
1541 | |
|
|
1542 | static int loop_done; |
|
|
1543 | |
|
|
1544 | void |
|
|
1545 | ev_loop (EV_P_ int flags) |
2038 | ev_loop (EV_P_ int flags) |
1546 | { |
2039 | { |
1547 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
2040 | ++loop_depth; |
1548 | ? EVUNLOOP_ONE |
|
|
1549 | : EVUNLOOP_CANCEL; |
|
|
1550 | |
2041 | |
|
|
2042 | loop_done = EVUNLOOP_CANCEL; |
|
|
2043 | |
1551 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2044 | invoke_cb (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1552 | |
2045 | |
1553 | do |
2046 | do |
1554 | { |
2047 | { |
|
|
2048 | #if EV_VERIFY >= 2 |
|
|
2049 | ev_loop_verify (EV_A); |
|
|
2050 | #endif |
|
|
2051 | |
1555 | #ifndef _WIN32 |
2052 | #ifndef _WIN32 |
1556 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2053 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1557 | if (expect_false (getpid () != curpid)) |
2054 | if (expect_false (getpid () != curpid)) |
1558 | { |
2055 | { |
1559 | curpid = getpid (); |
2056 | curpid = getpid (); |
… | |
… | |
1565 | /* we might have forked, so queue fork handlers */ |
2062 | /* we might have forked, so queue fork handlers */ |
1566 | if (expect_false (postfork)) |
2063 | if (expect_false (postfork)) |
1567 | if (forkcnt) |
2064 | if (forkcnt) |
1568 | { |
2065 | { |
1569 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2066 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1570 | call_pending (EV_A); |
2067 | invoke_cb (EV_A); |
1571 | } |
2068 | } |
1572 | #endif |
2069 | #endif |
1573 | |
2070 | |
1574 | /* queue prepare watchers (and execute them) */ |
2071 | /* queue prepare watchers (and execute them) */ |
1575 | if (expect_false (preparecnt)) |
2072 | if (expect_false (preparecnt)) |
1576 | { |
2073 | { |
1577 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2074 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1578 | call_pending (EV_A); |
2075 | invoke_cb (EV_A); |
1579 | } |
2076 | } |
1580 | |
|
|
1581 | if (expect_false (!activecnt)) |
|
|
1582 | break; |
|
|
1583 | |
2077 | |
1584 | /* we might have forked, so reify kernel state if necessary */ |
2078 | /* we might have forked, so reify kernel state if necessary */ |
1585 | if (expect_false (postfork)) |
2079 | if (expect_false (postfork)) |
1586 | loop_fork (EV_A); |
2080 | loop_fork (EV_A); |
1587 | |
2081 | |
… | |
… | |
1593 | ev_tstamp waittime = 0.; |
2087 | ev_tstamp waittime = 0.; |
1594 | ev_tstamp sleeptime = 0.; |
2088 | ev_tstamp sleeptime = 0.; |
1595 | |
2089 | |
1596 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2090 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1597 | { |
2091 | { |
|
|
2092 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2093 | ev_tstamp prev_mn_now = mn_now; |
|
|
2094 | |
1598 | /* update time to cancel out callback processing overhead */ |
2095 | /* update time to cancel out callback processing overhead */ |
1599 | time_update (EV_A_ 1e100); |
2096 | time_update (EV_A_ 1e100); |
1600 | |
2097 | |
1601 | waittime = MAX_BLOCKTIME; |
2098 | waittime = MAX_BLOCKTIME; |
1602 | |
2099 | |
1603 | if (timercnt) |
2100 | if (timercnt) |
1604 | { |
2101 | { |
1605 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
2102 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1606 | if (waittime > to) waittime = to; |
2103 | if (waittime > to) waittime = to; |
1607 | } |
2104 | } |
1608 | |
2105 | |
1609 | #if EV_PERIODIC_ENABLE |
2106 | #if EV_PERIODIC_ENABLE |
1610 | if (periodiccnt) |
2107 | if (periodiccnt) |
1611 | { |
2108 | { |
1612 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
2109 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1613 | if (waittime > to) waittime = to; |
2110 | if (waittime > to) waittime = to; |
1614 | } |
2111 | } |
1615 | #endif |
2112 | #endif |
1616 | |
2113 | |
|
|
2114 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
1617 | if (expect_false (waittime < timeout_blocktime)) |
2115 | if (expect_false (waittime < timeout_blocktime)) |
1618 | waittime = timeout_blocktime; |
2116 | waittime = timeout_blocktime; |
1619 | |
2117 | |
1620 | sleeptime = waittime - backend_fudge; |
2118 | /* extra check because io_blocktime is commonly 0 */ |
1621 | |
|
|
1622 | if (expect_true (sleeptime > io_blocktime)) |
2119 | if (expect_false (io_blocktime)) |
1623 | sleeptime = io_blocktime; |
|
|
1624 | |
|
|
1625 | if (sleeptime) |
|
|
1626 | { |
2120 | { |
|
|
2121 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2122 | |
|
|
2123 | if (sleeptime > waittime - backend_fudge) |
|
|
2124 | sleeptime = waittime - backend_fudge; |
|
|
2125 | |
|
|
2126 | if (expect_true (sleeptime > 0.)) |
|
|
2127 | { |
1627 | ev_sleep (sleeptime); |
2128 | ev_sleep (sleeptime); |
1628 | waittime -= sleeptime; |
2129 | waittime -= sleeptime; |
|
|
2130 | } |
1629 | } |
2131 | } |
1630 | } |
2132 | } |
1631 | |
2133 | |
1632 | ++loop_count; |
2134 | ++loop_count; |
1633 | backend_poll (EV_A_ waittime); |
2135 | backend_poll (EV_A_ waittime); |
… | |
… | |
1649 | |
2151 | |
1650 | /* queue check watchers, to be executed first */ |
2152 | /* queue check watchers, to be executed first */ |
1651 | if (expect_false (checkcnt)) |
2153 | if (expect_false (checkcnt)) |
1652 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2154 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1653 | |
2155 | |
1654 | call_pending (EV_A); |
2156 | invoke_cb (EV_A); |
1655 | |
|
|
1656 | } |
2157 | } |
1657 | while (expect_true (activecnt && !loop_done)); |
2158 | while (expect_true ( |
|
|
2159 | activecnt |
|
|
2160 | && !loop_done |
|
|
2161 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
2162 | )); |
1658 | |
2163 | |
1659 | if (loop_done == EVUNLOOP_ONE) |
2164 | if (loop_done == EVUNLOOP_ONE) |
1660 | loop_done = EVUNLOOP_CANCEL; |
2165 | loop_done = EVUNLOOP_CANCEL; |
|
|
2166 | |
|
|
2167 | --loop_depth; |
1661 | } |
2168 | } |
1662 | |
2169 | |
1663 | void |
2170 | void |
1664 | ev_unloop (EV_P_ int how) |
2171 | ev_unloop (EV_P_ int how) |
1665 | { |
2172 | { |
1666 | loop_done = how; |
2173 | loop_done = how; |
1667 | } |
2174 | } |
1668 | |
2175 | |
|
|
2176 | void |
|
|
2177 | ev_ref (EV_P) |
|
|
2178 | { |
|
|
2179 | ++activecnt; |
|
|
2180 | } |
|
|
2181 | |
|
|
2182 | void |
|
|
2183 | ev_unref (EV_P) |
|
|
2184 | { |
|
|
2185 | --activecnt; |
|
|
2186 | } |
|
|
2187 | |
|
|
2188 | void |
|
|
2189 | ev_now_update (EV_P) |
|
|
2190 | { |
|
|
2191 | time_update (EV_A_ 1e100); |
|
|
2192 | } |
|
|
2193 | |
|
|
2194 | void |
|
|
2195 | ev_suspend (EV_P) |
|
|
2196 | { |
|
|
2197 | ev_now_update (EV_A); |
|
|
2198 | } |
|
|
2199 | |
|
|
2200 | void |
|
|
2201 | ev_resume (EV_P) |
|
|
2202 | { |
|
|
2203 | ev_tstamp mn_prev = mn_now; |
|
|
2204 | |
|
|
2205 | ev_now_update (EV_A); |
|
|
2206 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2207 | #if EV_PERIODIC_ENABLE |
|
|
2208 | /* TODO: really do this? */ |
|
|
2209 | periodics_reschedule (EV_A); |
|
|
2210 | #endif |
|
|
2211 | } |
|
|
2212 | |
1669 | /*****************************************************************************/ |
2213 | /*****************************************************************************/ |
|
|
2214 | /* singly-linked list management, used when the expected list length is short */ |
1670 | |
2215 | |
1671 | void inline_size |
2216 | inline_size void |
1672 | wlist_add (WL *head, WL elem) |
2217 | wlist_add (WL *head, WL elem) |
1673 | { |
2218 | { |
1674 | elem->next = *head; |
2219 | elem->next = *head; |
1675 | *head = elem; |
2220 | *head = elem; |
1676 | } |
2221 | } |
1677 | |
2222 | |
1678 | void inline_size |
2223 | inline_size void |
1679 | wlist_del (WL *head, WL elem) |
2224 | wlist_del (WL *head, WL elem) |
1680 | { |
2225 | { |
1681 | while (*head) |
2226 | while (*head) |
1682 | { |
2227 | { |
1683 | if (*head == elem) |
2228 | if (*head == elem) |
… | |
… | |
1688 | |
2233 | |
1689 | head = &(*head)->next; |
2234 | head = &(*head)->next; |
1690 | } |
2235 | } |
1691 | } |
2236 | } |
1692 | |
2237 | |
1693 | void inline_speed |
2238 | /* internal, faster, version of ev_clear_pending */ |
|
|
2239 | inline_speed void |
1694 | clear_pending (EV_P_ W w) |
2240 | clear_pending (EV_P_ W w) |
1695 | { |
2241 | { |
1696 | if (w->pending) |
2242 | if (w->pending) |
1697 | { |
2243 | { |
1698 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2244 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
1699 | w->pending = 0; |
2245 | w->pending = 0; |
1700 | } |
2246 | } |
1701 | } |
2247 | } |
1702 | |
2248 | |
1703 | int |
2249 | int |
… | |
… | |
1707 | int pending = w_->pending; |
2253 | int pending = w_->pending; |
1708 | |
2254 | |
1709 | if (expect_true (pending)) |
2255 | if (expect_true (pending)) |
1710 | { |
2256 | { |
1711 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2257 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2258 | p->w = (W)&pending_w; |
1712 | w_->pending = 0; |
2259 | w_->pending = 0; |
1713 | p->w = 0; |
|
|
1714 | return p->events; |
2260 | return p->events; |
1715 | } |
2261 | } |
1716 | else |
2262 | else |
1717 | return 0; |
2263 | return 0; |
1718 | } |
2264 | } |
1719 | |
2265 | |
1720 | void inline_size |
2266 | inline_size void |
1721 | pri_adjust (EV_P_ W w) |
2267 | pri_adjust (EV_P_ W w) |
1722 | { |
2268 | { |
1723 | int pri = w->priority; |
2269 | int pri = ev_priority (w); |
1724 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2270 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
1725 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2271 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
1726 | w->priority = pri; |
2272 | ev_set_priority (w, pri); |
1727 | } |
2273 | } |
1728 | |
2274 | |
1729 | void inline_speed |
2275 | inline_speed void |
1730 | ev_start (EV_P_ W w, int active) |
2276 | ev_start (EV_P_ W w, int active) |
1731 | { |
2277 | { |
1732 | pri_adjust (EV_A_ w); |
2278 | pri_adjust (EV_A_ w); |
1733 | w->active = active; |
2279 | w->active = active; |
1734 | ev_ref (EV_A); |
2280 | ev_ref (EV_A); |
1735 | } |
2281 | } |
1736 | |
2282 | |
1737 | void inline_size |
2283 | inline_size void |
1738 | ev_stop (EV_P_ W w) |
2284 | ev_stop (EV_P_ W w) |
1739 | { |
2285 | { |
1740 | ev_unref (EV_A); |
2286 | ev_unref (EV_A); |
1741 | w->active = 0; |
2287 | w->active = 0; |
1742 | } |
2288 | } |
… | |
… | |
1749 | int fd = w->fd; |
2295 | int fd = w->fd; |
1750 | |
2296 | |
1751 | if (expect_false (ev_is_active (w))) |
2297 | if (expect_false (ev_is_active (w))) |
1752 | return; |
2298 | return; |
1753 | |
2299 | |
1754 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2300 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2301 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2302 | |
|
|
2303 | EV_FREQUENT_CHECK; |
1755 | |
2304 | |
1756 | ev_start (EV_A_ (W)w, 1); |
2305 | ev_start (EV_A_ (W)w, 1); |
1757 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2306 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1758 | wlist_add (&anfds[fd].head, (WL)w); |
2307 | wlist_add (&anfds[fd].head, (WL)w); |
1759 | |
2308 | |
1760 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2309 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
1761 | w->events &= ~EV_IOFDSET; |
2310 | w->events &= ~EV__IOFDSET; |
|
|
2311 | |
|
|
2312 | EV_FREQUENT_CHECK; |
1762 | } |
2313 | } |
1763 | |
2314 | |
1764 | void noinline |
2315 | void noinline |
1765 | ev_io_stop (EV_P_ ev_io *w) |
2316 | ev_io_stop (EV_P_ ev_io *w) |
1766 | { |
2317 | { |
1767 | clear_pending (EV_A_ (W)w); |
2318 | clear_pending (EV_A_ (W)w); |
1768 | if (expect_false (!ev_is_active (w))) |
2319 | if (expect_false (!ev_is_active (w))) |
1769 | return; |
2320 | return; |
1770 | |
2321 | |
1771 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2322 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2323 | |
|
|
2324 | EV_FREQUENT_CHECK; |
1772 | |
2325 | |
1773 | wlist_del (&anfds[w->fd].head, (WL)w); |
2326 | wlist_del (&anfds[w->fd].head, (WL)w); |
1774 | ev_stop (EV_A_ (W)w); |
2327 | ev_stop (EV_A_ (W)w); |
1775 | |
2328 | |
1776 | fd_change (EV_A_ w->fd, 1); |
2329 | fd_change (EV_A_ w->fd, 1); |
|
|
2330 | |
|
|
2331 | EV_FREQUENT_CHECK; |
1777 | } |
2332 | } |
1778 | |
2333 | |
1779 | void noinline |
2334 | void noinline |
1780 | ev_timer_start (EV_P_ ev_timer *w) |
2335 | ev_timer_start (EV_P_ ev_timer *w) |
1781 | { |
2336 | { |
1782 | if (expect_false (ev_is_active (w))) |
2337 | if (expect_false (ev_is_active (w))) |
1783 | return; |
2338 | return; |
1784 | |
2339 | |
1785 | ((WT)w)->at += mn_now; |
2340 | ev_at (w) += mn_now; |
1786 | |
2341 | |
1787 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2342 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1788 | |
2343 | |
|
|
2344 | EV_FREQUENT_CHECK; |
|
|
2345 | |
|
|
2346 | ++timercnt; |
1789 | ev_start (EV_A_ (W)w, ++timercnt); |
2347 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1790 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2348 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1791 | timers [timercnt - 1] = (WT)w; |
2349 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1792 | upheap (timers, timercnt - 1); |
2350 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2351 | upheap (timers, ev_active (w)); |
1793 | |
2352 | |
|
|
2353 | EV_FREQUENT_CHECK; |
|
|
2354 | |
1794 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2355 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1795 | } |
2356 | } |
1796 | |
2357 | |
1797 | void noinline |
2358 | void noinline |
1798 | ev_timer_stop (EV_P_ ev_timer *w) |
2359 | ev_timer_stop (EV_P_ ev_timer *w) |
1799 | { |
2360 | { |
1800 | clear_pending (EV_A_ (W)w); |
2361 | clear_pending (EV_A_ (W)w); |
1801 | if (expect_false (!ev_is_active (w))) |
2362 | if (expect_false (!ev_is_active (w))) |
1802 | return; |
2363 | return; |
1803 | |
2364 | |
1804 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2365 | EV_FREQUENT_CHECK; |
1805 | |
2366 | |
1806 | { |
2367 | { |
1807 | int active = ((W)w)->active; |
2368 | int active = ev_active (w); |
1808 | |
2369 | |
|
|
2370 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2371 | |
|
|
2372 | --timercnt; |
|
|
2373 | |
1809 | if (expect_true (--active < --timercnt)) |
2374 | if (expect_true (active < timercnt + HEAP0)) |
1810 | { |
2375 | { |
1811 | timers [active] = timers [timercnt]; |
2376 | timers [active] = timers [timercnt + HEAP0]; |
1812 | adjustheap (timers, timercnt, active); |
2377 | adjustheap (timers, timercnt, active); |
1813 | } |
2378 | } |
1814 | } |
2379 | } |
1815 | |
2380 | |
1816 | ((WT)w)->at -= mn_now; |
2381 | EV_FREQUENT_CHECK; |
|
|
2382 | |
|
|
2383 | ev_at (w) -= mn_now; |
1817 | |
2384 | |
1818 | ev_stop (EV_A_ (W)w); |
2385 | ev_stop (EV_A_ (W)w); |
1819 | } |
2386 | } |
1820 | |
2387 | |
1821 | void noinline |
2388 | void noinline |
1822 | ev_timer_again (EV_P_ ev_timer *w) |
2389 | ev_timer_again (EV_P_ ev_timer *w) |
1823 | { |
2390 | { |
|
|
2391 | EV_FREQUENT_CHECK; |
|
|
2392 | |
1824 | if (ev_is_active (w)) |
2393 | if (ev_is_active (w)) |
1825 | { |
2394 | { |
1826 | if (w->repeat) |
2395 | if (w->repeat) |
1827 | { |
2396 | { |
1828 | ((WT)w)->at = mn_now + w->repeat; |
2397 | ev_at (w) = mn_now + w->repeat; |
|
|
2398 | ANHE_at_cache (timers [ev_active (w)]); |
1829 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2399 | adjustheap (timers, timercnt, ev_active (w)); |
1830 | } |
2400 | } |
1831 | else |
2401 | else |
1832 | ev_timer_stop (EV_A_ w); |
2402 | ev_timer_stop (EV_A_ w); |
1833 | } |
2403 | } |
1834 | else if (w->repeat) |
2404 | else if (w->repeat) |
1835 | { |
2405 | { |
1836 | w->at = w->repeat; |
2406 | ev_at (w) = w->repeat; |
1837 | ev_timer_start (EV_A_ w); |
2407 | ev_timer_start (EV_A_ w); |
1838 | } |
2408 | } |
|
|
2409 | |
|
|
2410 | EV_FREQUENT_CHECK; |
1839 | } |
2411 | } |
1840 | |
2412 | |
1841 | #if EV_PERIODIC_ENABLE |
2413 | #if EV_PERIODIC_ENABLE |
1842 | void noinline |
2414 | void noinline |
1843 | ev_periodic_start (EV_P_ ev_periodic *w) |
2415 | ev_periodic_start (EV_P_ ev_periodic *w) |
1844 | { |
2416 | { |
1845 | if (expect_false (ev_is_active (w))) |
2417 | if (expect_false (ev_is_active (w))) |
1846 | return; |
2418 | return; |
1847 | |
2419 | |
1848 | if (w->reschedule_cb) |
2420 | if (w->reschedule_cb) |
1849 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2421 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1850 | else if (w->interval) |
2422 | else if (w->interval) |
1851 | { |
2423 | { |
1852 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2424 | 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 */ |
2425 | /* 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; |
2426 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1855 | } |
2427 | } |
1856 | else |
2428 | else |
1857 | ((WT)w)->at = w->offset; |
2429 | ev_at (w) = w->offset; |
1858 | |
2430 | |
|
|
2431 | EV_FREQUENT_CHECK; |
|
|
2432 | |
|
|
2433 | ++periodiccnt; |
1859 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2434 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1860 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2435 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1861 | periodics [periodiccnt - 1] = (WT)w; |
2436 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1862 | upheap (periodics, periodiccnt - 1); |
2437 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2438 | upheap (periodics, ev_active (w)); |
1863 | |
2439 | |
|
|
2440 | EV_FREQUENT_CHECK; |
|
|
2441 | |
1864 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2442 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1865 | } |
2443 | } |
1866 | |
2444 | |
1867 | void noinline |
2445 | void noinline |
1868 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2446 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1869 | { |
2447 | { |
1870 | clear_pending (EV_A_ (W)w); |
2448 | clear_pending (EV_A_ (W)w); |
1871 | if (expect_false (!ev_is_active (w))) |
2449 | if (expect_false (!ev_is_active (w))) |
1872 | return; |
2450 | return; |
1873 | |
2451 | |
1874 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2452 | EV_FREQUENT_CHECK; |
1875 | |
2453 | |
1876 | { |
2454 | { |
1877 | int active = ((W)w)->active; |
2455 | int active = ev_active (w); |
1878 | |
2456 | |
|
|
2457 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2458 | |
|
|
2459 | --periodiccnt; |
|
|
2460 | |
1879 | if (expect_true (--active < --periodiccnt)) |
2461 | if (expect_true (active < periodiccnt + HEAP0)) |
1880 | { |
2462 | { |
1881 | periodics [active] = periodics [periodiccnt]; |
2463 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1882 | adjustheap (periodics, periodiccnt, active); |
2464 | adjustheap (periodics, periodiccnt, active); |
1883 | } |
2465 | } |
1884 | } |
2466 | } |
1885 | |
2467 | |
|
|
2468 | EV_FREQUENT_CHECK; |
|
|
2469 | |
1886 | ev_stop (EV_A_ (W)w); |
2470 | ev_stop (EV_A_ (W)w); |
1887 | } |
2471 | } |
1888 | |
2472 | |
1889 | void noinline |
2473 | void noinline |
1890 | ev_periodic_again (EV_P_ ev_periodic *w) |
2474 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1901 | |
2485 | |
1902 | void noinline |
2486 | void noinline |
1903 | ev_signal_start (EV_P_ ev_signal *w) |
2487 | ev_signal_start (EV_P_ ev_signal *w) |
1904 | { |
2488 | { |
1905 | #if EV_MULTIPLICITY |
2489 | #if EV_MULTIPLICITY |
1906 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2490 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1907 | #endif |
2491 | #endif |
1908 | if (expect_false (ev_is_active (w))) |
2492 | if (expect_false (ev_is_active (w))) |
1909 | return; |
2493 | return; |
1910 | |
2494 | |
1911 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2495 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
1912 | |
2496 | |
1913 | evpipe_init (EV_A); |
2497 | evpipe_init (EV_A); |
|
|
2498 | |
|
|
2499 | EV_FREQUENT_CHECK; |
1914 | |
2500 | |
1915 | { |
2501 | { |
1916 | #ifndef _WIN32 |
2502 | #ifndef _WIN32 |
1917 | sigset_t full, prev; |
2503 | sigset_t full, prev; |
1918 | sigfillset (&full); |
2504 | sigfillset (&full); |
1919 | sigprocmask (SIG_SETMASK, &full, &prev); |
2505 | sigprocmask (SIG_SETMASK, &full, &prev); |
1920 | #endif |
2506 | #endif |
1921 | |
2507 | |
1922 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2508 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
1923 | |
2509 | |
1924 | #ifndef _WIN32 |
2510 | #ifndef _WIN32 |
1925 | sigprocmask (SIG_SETMASK, &prev, 0); |
2511 | sigprocmask (SIG_SETMASK, &prev, 0); |
1926 | #endif |
2512 | #endif |
1927 | } |
2513 | } |
… | |
… | |
1930 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2516 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1931 | |
2517 | |
1932 | if (!((WL)w)->next) |
2518 | if (!((WL)w)->next) |
1933 | { |
2519 | { |
1934 | #if _WIN32 |
2520 | #if _WIN32 |
1935 | signal (w->signum, sighandler); |
2521 | signal (w->signum, ev_sighandler); |
1936 | #else |
2522 | #else |
1937 | struct sigaction sa; |
2523 | struct sigaction sa; |
1938 | sa.sa_handler = sighandler; |
2524 | sa.sa_handler = ev_sighandler; |
1939 | sigfillset (&sa.sa_mask); |
2525 | sigfillset (&sa.sa_mask); |
1940 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2526 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1941 | sigaction (w->signum, &sa, 0); |
2527 | sigaction (w->signum, &sa, 0); |
1942 | #endif |
2528 | #endif |
1943 | } |
2529 | } |
|
|
2530 | |
|
|
2531 | EV_FREQUENT_CHECK; |
1944 | } |
2532 | } |
1945 | |
2533 | |
1946 | void noinline |
2534 | void noinline |
1947 | ev_signal_stop (EV_P_ ev_signal *w) |
2535 | ev_signal_stop (EV_P_ ev_signal *w) |
1948 | { |
2536 | { |
1949 | clear_pending (EV_A_ (W)w); |
2537 | clear_pending (EV_A_ (W)w); |
1950 | if (expect_false (!ev_is_active (w))) |
2538 | if (expect_false (!ev_is_active (w))) |
1951 | return; |
2539 | return; |
1952 | |
2540 | |
|
|
2541 | EV_FREQUENT_CHECK; |
|
|
2542 | |
1953 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2543 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1954 | ev_stop (EV_A_ (W)w); |
2544 | ev_stop (EV_A_ (W)w); |
1955 | |
2545 | |
1956 | if (!signals [w->signum - 1].head) |
2546 | if (!signals [w->signum - 1].head) |
1957 | signal (w->signum, SIG_DFL); |
2547 | signal (w->signum, SIG_DFL); |
|
|
2548 | |
|
|
2549 | EV_FREQUENT_CHECK; |
1958 | } |
2550 | } |
1959 | |
2551 | |
1960 | void |
2552 | void |
1961 | ev_child_start (EV_P_ ev_child *w) |
2553 | ev_child_start (EV_P_ ev_child *w) |
1962 | { |
2554 | { |
1963 | #if EV_MULTIPLICITY |
2555 | #if EV_MULTIPLICITY |
1964 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2556 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1965 | #endif |
2557 | #endif |
1966 | if (expect_false (ev_is_active (w))) |
2558 | if (expect_false (ev_is_active (w))) |
1967 | return; |
2559 | return; |
1968 | |
2560 | |
|
|
2561 | EV_FREQUENT_CHECK; |
|
|
2562 | |
1969 | ev_start (EV_A_ (W)w, 1); |
2563 | ev_start (EV_A_ (W)w, 1); |
1970 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2564 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2565 | |
|
|
2566 | EV_FREQUENT_CHECK; |
1971 | } |
2567 | } |
1972 | |
2568 | |
1973 | void |
2569 | void |
1974 | ev_child_stop (EV_P_ ev_child *w) |
2570 | ev_child_stop (EV_P_ ev_child *w) |
1975 | { |
2571 | { |
1976 | clear_pending (EV_A_ (W)w); |
2572 | clear_pending (EV_A_ (W)w); |
1977 | if (expect_false (!ev_is_active (w))) |
2573 | if (expect_false (!ev_is_active (w))) |
1978 | return; |
2574 | return; |
1979 | |
2575 | |
|
|
2576 | EV_FREQUENT_CHECK; |
|
|
2577 | |
1980 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2578 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1981 | ev_stop (EV_A_ (W)w); |
2579 | ev_stop (EV_A_ (W)w); |
|
|
2580 | |
|
|
2581 | EV_FREQUENT_CHECK; |
1982 | } |
2582 | } |
1983 | |
2583 | |
1984 | #if EV_STAT_ENABLE |
2584 | #if EV_STAT_ENABLE |
1985 | |
2585 | |
1986 | # ifdef _WIN32 |
2586 | # ifdef _WIN32 |
1987 | # undef lstat |
2587 | # undef lstat |
1988 | # define lstat(a,b) _stati64 (a,b) |
2588 | # define lstat(a,b) _stati64 (a,b) |
1989 | # endif |
2589 | # endif |
1990 | |
2590 | |
1991 | #define DEF_STAT_INTERVAL 5.0074891 |
2591 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2592 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
1992 | #define MIN_STAT_INTERVAL 0.1074891 |
2593 | #define MIN_STAT_INTERVAL 0.1074891 |
1993 | |
2594 | |
1994 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2595 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1995 | |
2596 | |
1996 | #if EV_USE_INOTIFY |
2597 | #if EV_USE_INOTIFY |
1997 | # define EV_INOTIFY_BUFSIZE 8192 |
2598 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2001 | { |
2602 | { |
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); |
2603 | 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 | |
2604 | |
2004 | if (w->wd < 0) |
2605 | if (w->wd < 0) |
2005 | { |
2606 | { |
|
|
2607 | 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 */ |
2608 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2007 | |
2609 | |
2008 | /* monitor some parent directory for speedup hints */ |
2610 | /* monitor some parent directory for speedup hints */ |
|
|
2611 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
|
|
2612 | /* but an efficiency issue only */ |
2009 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2613 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2010 | { |
2614 | { |
2011 | char path [4096]; |
2615 | char path [4096]; |
2012 | strcpy (path, w->path); |
2616 | strcpy (path, w->path); |
2013 | |
2617 | |
… | |
… | |
2016 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2620 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2017 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2621 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2018 | |
2622 | |
2019 | char *pend = strrchr (path, '/'); |
2623 | char *pend = strrchr (path, '/'); |
2020 | |
2624 | |
2021 | if (!pend) |
2625 | if (!pend || pend == path) |
2022 | break; /* whoops, no '/', complain to your admin */ |
2626 | break; |
2023 | |
2627 | |
2024 | *pend = 0; |
2628 | *pend = 0; |
2025 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2629 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2026 | } |
2630 | } |
2027 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2631 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2028 | } |
2632 | } |
2029 | } |
2633 | } |
2030 | else |
|
|
2031 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2032 | |
2634 | |
2033 | if (w->wd >= 0) |
2635 | if (w->wd >= 0) |
|
|
2636 | { |
2034 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2637 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2638 | |
|
|
2639 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2640 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2641 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2642 | struct statfs sfs; |
|
|
2643 | |
|
|
2644 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2645 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2646 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2647 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2648 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2649 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2650 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2651 | return; |
|
|
2652 | |
|
|
2653 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2654 | ev_timer_again (EV_A_ &w->timer); |
|
|
2655 | } |
2035 | } |
2656 | } |
2036 | |
2657 | |
2037 | static void noinline |
2658 | static void noinline |
2038 | infy_del (EV_P_ ev_stat *w) |
2659 | infy_del (EV_P_ ev_stat *w) |
2039 | { |
2660 | { |
… | |
… | |
2053 | |
2674 | |
2054 | static void noinline |
2675 | static void noinline |
2055 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2676 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2056 | { |
2677 | { |
2057 | if (slot < 0) |
2678 | if (slot < 0) |
2058 | /* overflow, need to check for all hahs slots */ |
2679 | /* overflow, need to check for all hash slots */ |
2059 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2680 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2060 | infy_wd (EV_A_ slot, wd, ev); |
2681 | infy_wd (EV_A_ slot, wd, ev); |
2061 | else |
2682 | else |
2062 | { |
2683 | { |
2063 | WL w_; |
2684 | WL w_; |
… | |
… | |
2069 | |
2690 | |
2070 | if (w->wd == wd || wd == -1) |
2691 | if (w->wd == wd || wd == -1) |
2071 | { |
2692 | { |
2072 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2693 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2073 | { |
2694 | { |
|
|
2695 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2074 | w->wd = -1; |
2696 | w->wd = -1; |
2075 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2697 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2076 | } |
2698 | } |
2077 | |
2699 | |
2078 | stat_timer_cb (EV_A_ &w->timer, 0); |
2700 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2091 | |
2713 | |
2092 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2714 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2093 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2715 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2094 | } |
2716 | } |
2095 | |
2717 | |
2096 | void inline_size |
2718 | inline_size void |
|
|
2719 | check_2625 (EV_P) |
|
|
2720 | { |
|
|
2721 | /* kernels < 2.6.25 are borked |
|
|
2722 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2723 | */ |
|
|
2724 | struct utsname buf; |
|
|
2725 | int major, minor, micro; |
|
|
2726 | |
|
|
2727 | if (uname (&buf)) |
|
|
2728 | return; |
|
|
2729 | |
|
|
2730 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2731 | return; |
|
|
2732 | |
|
|
2733 | if (major < 2 |
|
|
2734 | || (major == 2 && minor < 6) |
|
|
2735 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2736 | return; |
|
|
2737 | |
|
|
2738 | fs_2625 = 1; |
|
|
2739 | } |
|
|
2740 | |
|
|
2741 | inline_size void |
2097 | infy_init (EV_P) |
2742 | infy_init (EV_P) |
2098 | { |
2743 | { |
2099 | if (fs_fd != -2) |
2744 | if (fs_fd != -2) |
2100 | return; |
2745 | return; |
|
|
2746 | |
|
|
2747 | fs_fd = -1; |
|
|
2748 | |
|
|
2749 | check_2625 (EV_A); |
2101 | |
2750 | |
2102 | fs_fd = inotify_init (); |
2751 | fs_fd = inotify_init (); |
2103 | |
2752 | |
2104 | if (fs_fd >= 0) |
2753 | if (fs_fd >= 0) |
2105 | { |
2754 | { |
… | |
… | |
2107 | ev_set_priority (&fs_w, EV_MAXPRI); |
2756 | ev_set_priority (&fs_w, EV_MAXPRI); |
2108 | ev_io_start (EV_A_ &fs_w); |
2757 | ev_io_start (EV_A_ &fs_w); |
2109 | } |
2758 | } |
2110 | } |
2759 | } |
2111 | |
2760 | |
2112 | void inline_size |
2761 | inline_size void |
2113 | infy_fork (EV_P) |
2762 | infy_fork (EV_P) |
2114 | { |
2763 | { |
2115 | int slot; |
2764 | int slot; |
2116 | |
2765 | |
2117 | if (fs_fd < 0) |
2766 | if (fs_fd < 0) |
… | |
… | |
2133 | w->wd = -1; |
2782 | w->wd = -1; |
2134 | |
2783 | |
2135 | if (fs_fd >= 0) |
2784 | if (fs_fd >= 0) |
2136 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2785 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2137 | else |
2786 | else |
2138 | ev_timer_start (EV_A_ &w->timer); |
2787 | ev_timer_again (EV_A_ &w->timer); |
2139 | } |
2788 | } |
2140 | |
|
|
2141 | } |
2789 | } |
2142 | } |
2790 | } |
2143 | |
2791 | |
|
|
2792 | #endif |
|
|
2793 | |
|
|
2794 | #ifdef _WIN32 |
|
|
2795 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2796 | #else |
|
|
2797 | # define EV_LSTAT(p,b) lstat (p, b) |
2144 | #endif |
2798 | #endif |
2145 | |
2799 | |
2146 | void |
2800 | void |
2147 | ev_stat_stat (EV_P_ ev_stat *w) |
2801 | ev_stat_stat (EV_P_ ev_stat *w) |
2148 | { |
2802 | { |
… | |
… | |
2175 | || w->prev.st_atime != w->attr.st_atime |
2829 | || w->prev.st_atime != w->attr.st_atime |
2176 | || w->prev.st_mtime != w->attr.st_mtime |
2830 | || w->prev.st_mtime != w->attr.st_mtime |
2177 | || w->prev.st_ctime != w->attr.st_ctime |
2831 | || w->prev.st_ctime != w->attr.st_ctime |
2178 | ) { |
2832 | ) { |
2179 | #if EV_USE_INOTIFY |
2833 | #if EV_USE_INOTIFY |
|
|
2834 | if (fs_fd >= 0) |
|
|
2835 | { |
2180 | infy_del (EV_A_ w); |
2836 | infy_del (EV_A_ w); |
2181 | infy_add (EV_A_ w); |
2837 | infy_add (EV_A_ w); |
2182 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2838 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2839 | } |
2183 | #endif |
2840 | #endif |
2184 | |
2841 | |
2185 | ev_feed_event (EV_A_ w, EV_STAT); |
2842 | ev_feed_event (EV_A_ w, EV_STAT); |
2186 | } |
2843 | } |
2187 | } |
2844 | } |
… | |
… | |
2190 | ev_stat_start (EV_P_ ev_stat *w) |
2847 | ev_stat_start (EV_P_ ev_stat *w) |
2191 | { |
2848 | { |
2192 | if (expect_false (ev_is_active (w))) |
2849 | if (expect_false (ev_is_active (w))) |
2193 | return; |
2850 | return; |
2194 | |
2851 | |
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); |
2852 | ev_stat_stat (EV_A_ w); |
2200 | |
2853 | |
|
|
2854 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2201 | if (w->interval < MIN_STAT_INTERVAL) |
2855 | w->interval = MIN_STAT_INTERVAL; |
2202 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2203 | |
2856 | |
2204 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2857 | 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)); |
2858 | ev_set_priority (&w->timer, ev_priority (w)); |
2206 | |
2859 | |
2207 | #if EV_USE_INOTIFY |
2860 | #if EV_USE_INOTIFY |
2208 | infy_init (EV_A); |
2861 | infy_init (EV_A); |
2209 | |
2862 | |
2210 | if (fs_fd >= 0) |
2863 | if (fs_fd >= 0) |
2211 | infy_add (EV_A_ w); |
2864 | infy_add (EV_A_ w); |
2212 | else |
2865 | else |
2213 | #endif |
2866 | #endif |
2214 | ev_timer_start (EV_A_ &w->timer); |
2867 | ev_timer_again (EV_A_ &w->timer); |
2215 | |
2868 | |
2216 | ev_start (EV_A_ (W)w, 1); |
2869 | ev_start (EV_A_ (W)w, 1); |
|
|
2870 | |
|
|
2871 | EV_FREQUENT_CHECK; |
2217 | } |
2872 | } |
2218 | |
2873 | |
2219 | void |
2874 | void |
2220 | ev_stat_stop (EV_P_ ev_stat *w) |
2875 | ev_stat_stop (EV_P_ ev_stat *w) |
2221 | { |
2876 | { |
2222 | clear_pending (EV_A_ (W)w); |
2877 | clear_pending (EV_A_ (W)w); |
2223 | if (expect_false (!ev_is_active (w))) |
2878 | if (expect_false (!ev_is_active (w))) |
2224 | return; |
2879 | return; |
2225 | |
2880 | |
|
|
2881 | EV_FREQUENT_CHECK; |
|
|
2882 | |
2226 | #if EV_USE_INOTIFY |
2883 | #if EV_USE_INOTIFY |
2227 | infy_del (EV_A_ w); |
2884 | infy_del (EV_A_ w); |
2228 | #endif |
2885 | #endif |
2229 | ev_timer_stop (EV_A_ &w->timer); |
2886 | ev_timer_stop (EV_A_ &w->timer); |
2230 | |
2887 | |
2231 | ev_stop (EV_A_ (W)w); |
2888 | ev_stop (EV_A_ (W)w); |
|
|
2889 | |
|
|
2890 | EV_FREQUENT_CHECK; |
2232 | } |
2891 | } |
2233 | #endif |
2892 | #endif |
2234 | |
2893 | |
2235 | #if EV_IDLE_ENABLE |
2894 | #if EV_IDLE_ENABLE |
2236 | void |
2895 | void |
… | |
… | |
2238 | { |
2897 | { |
2239 | if (expect_false (ev_is_active (w))) |
2898 | if (expect_false (ev_is_active (w))) |
2240 | return; |
2899 | return; |
2241 | |
2900 | |
2242 | pri_adjust (EV_A_ (W)w); |
2901 | pri_adjust (EV_A_ (W)w); |
|
|
2902 | |
|
|
2903 | EV_FREQUENT_CHECK; |
2243 | |
2904 | |
2244 | { |
2905 | { |
2245 | int active = ++idlecnt [ABSPRI (w)]; |
2906 | int active = ++idlecnt [ABSPRI (w)]; |
2246 | |
2907 | |
2247 | ++idleall; |
2908 | ++idleall; |
2248 | ev_start (EV_A_ (W)w, active); |
2909 | ev_start (EV_A_ (W)w, active); |
2249 | |
2910 | |
2250 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2911 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2251 | idles [ABSPRI (w)][active - 1] = w; |
2912 | idles [ABSPRI (w)][active - 1] = w; |
2252 | } |
2913 | } |
|
|
2914 | |
|
|
2915 | EV_FREQUENT_CHECK; |
2253 | } |
2916 | } |
2254 | |
2917 | |
2255 | void |
2918 | void |
2256 | ev_idle_stop (EV_P_ ev_idle *w) |
2919 | ev_idle_stop (EV_P_ ev_idle *w) |
2257 | { |
2920 | { |
2258 | clear_pending (EV_A_ (W)w); |
2921 | clear_pending (EV_A_ (W)w); |
2259 | if (expect_false (!ev_is_active (w))) |
2922 | if (expect_false (!ev_is_active (w))) |
2260 | return; |
2923 | return; |
2261 | |
2924 | |
|
|
2925 | EV_FREQUENT_CHECK; |
|
|
2926 | |
2262 | { |
2927 | { |
2263 | int active = ((W)w)->active; |
2928 | int active = ev_active (w); |
2264 | |
2929 | |
2265 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2930 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2266 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2931 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2267 | |
2932 | |
2268 | ev_stop (EV_A_ (W)w); |
2933 | ev_stop (EV_A_ (W)w); |
2269 | --idleall; |
2934 | --idleall; |
2270 | } |
2935 | } |
|
|
2936 | |
|
|
2937 | EV_FREQUENT_CHECK; |
2271 | } |
2938 | } |
2272 | #endif |
2939 | #endif |
2273 | |
2940 | |
2274 | void |
2941 | void |
2275 | ev_prepare_start (EV_P_ ev_prepare *w) |
2942 | ev_prepare_start (EV_P_ ev_prepare *w) |
2276 | { |
2943 | { |
2277 | if (expect_false (ev_is_active (w))) |
2944 | if (expect_false (ev_is_active (w))) |
2278 | return; |
2945 | return; |
|
|
2946 | |
|
|
2947 | EV_FREQUENT_CHECK; |
2279 | |
2948 | |
2280 | ev_start (EV_A_ (W)w, ++preparecnt); |
2949 | ev_start (EV_A_ (W)w, ++preparecnt); |
2281 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2950 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2282 | prepares [preparecnt - 1] = w; |
2951 | prepares [preparecnt - 1] = w; |
|
|
2952 | |
|
|
2953 | EV_FREQUENT_CHECK; |
2283 | } |
2954 | } |
2284 | |
2955 | |
2285 | void |
2956 | void |
2286 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2957 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2287 | { |
2958 | { |
2288 | clear_pending (EV_A_ (W)w); |
2959 | clear_pending (EV_A_ (W)w); |
2289 | if (expect_false (!ev_is_active (w))) |
2960 | if (expect_false (!ev_is_active (w))) |
2290 | return; |
2961 | return; |
2291 | |
2962 | |
|
|
2963 | EV_FREQUENT_CHECK; |
|
|
2964 | |
2292 | { |
2965 | { |
2293 | int active = ((W)w)->active; |
2966 | int active = ev_active (w); |
|
|
2967 | |
2294 | prepares [active - 1] = prepares [--preparecnt]; |
2968 | prepares [active - 1] = prepares [--preparecnt]; |
2295 | ((W)prepares [active - 1])->active = active; |
2969 | ev_active (prepares [active - 1]) = active; |
2296 | } |
2970 | } |
2297 | |
2971 | |
2298 | ev_stop (EV_A_ (W)w); |
2972 | ev_stop (EV_A_ (W)w); |
|
|
2973 | |
|
|
2974 | EV_FREQUENT_CHECK; |
2299 | } |
2975 | } |
2300 | |
2976 | |
2301 | void |
2977 | void |
2302 | ev_check_start (EV_P_ ev_check *w) |
2978 | ev_check_start (EV_P_ ev_check *w) |
2303 | { |
2979 | { |
2304 | if (expect_false (ev_is_active (w))) |
2980 | if (expect_false (ev_is_active (w))) |
2305 | return; |
2981 | return; |
|
|
2982 | |
|
|
2983 | EV_FREQUENT_CHECK; |
2306 | |
2984 | |
2307 | ev_start (EV_A_ (W)w, ++checkcnt); |
2985 | ev_start (EV_A_ (W)w, ++checkcnt); |
2308 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2986 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2309 | checks [checkcnt - 1] = w; |
2987 | checks [checkcnt - 1] = w; |
|
|
2988 | |
|
|
2989 | EV_FREQUENT_CHECK; |
2310 | } |
2990 | } |
2311 | |
2991 | |
2312 | void |
2992 | void |
2313 | ev_check_stop (EV_P_ ev_check *w) |
2993 | ev_check_stop (EV_P_ ev_check *w) |
2314 | { |
2994 | { |
2315 | clear_pending (EV_A_ (W)w); |
2995 | clear_pending (EV_A_ (W)w); |
2316 | if (expect_false (!ev_is_active (w))) |
2996 | if (expect_false (!ev_is_active (w))) |
2317 | return; |
2997 | return; |
2318 | |
2998 | |
|
|
2999 | EV_FREQUENT_CHECK; |
|
|
3000 | |
2319 | { |
3001 | { |
2320 | int active = ((W)w)->active; |
3002 | int active = ev_active (w); |
|
|
3003 | |
2321 | checks [active - 1] = checks [--checkcnt]; |
3004 | checks [active - 1] = checks [--checkcnt]; |
2322 | ((W)checks [active - 1])->active = active; |
3005 | ev_active (checks [active - 1]) = active; |
2323 | } |
3006 | } |
2324 | |
3007 | |
2325 | ev_stop (EV_A_ (W)w); |
3008 | ev_stop (EV_A_ (W)w); |
|
|
3009 | |
|
|
3010 | EV_FREQUENT_CHECK; |
2326 | } |
3011 | } |
2327 | |
3012 | |
2328 | #if EV_EMBED_ENABLE |
3013 | #if EV_EMBED_ENABLE |
2329 | void noinline |
3014 | void noinline |
2330 | ev_embed_sweep (EV_P_ ev_embed *w) |
3015 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2357 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3042 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2358 | } |
3043 | } |
2359 | } |
3044 | } |
2360 | } |
3045 | } |
2361 | |
3046 | |
|
|
3047 | static void |
|
|
3048 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
3049 | { |
|
|
3050 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
3051 | |
|
|
3052 | ev_embed_stop (EV_A_ w); |
|
|
3053 | |
|
|
3054 | { |
|
|
3055 | struct ev_loop *loop = w->other; |
|
|
3056 | |
|
|
3057 | ev_loop_fork (EV_A); |
|
|
3058 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
3059 | } |
|
|
3060 | |
|
|
3061 | ev_embed_start (EV_A_ w); |
|
|
3062 | } |
|
|
3063 | |
2362 | #if 0 |
3064 | #if 0 |
2363 | static void |
3065 | static void |
2364 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
3066 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2365 | { |
3067 | { |
2366 | ev_idle_stop (EV_A_ idle); |
3068 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2373 | if (expect_false (ev_is_active (w))) |
3075 | if (expect_false (ev_is_active (w))) |
2374 | return; |
3076 | return; |
2375 | |
3077 | |
2376 | { |
3078 | { |
2377 | struct ev_loop *loop = w->other; |
3079 | struct ev_loop *loop = w->other; |
2378 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3080 | 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); |
3081 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2380 | } |
3082 | } |
|
|
3083 | |
|
|
3084 | EV_FREQUENT_CHECK; |
2381 | |
3085 | |
2382 | ev_set_priority (&w->io, ev_priority (w)); |
3086 | ev_set_priority (&w->io, ev_priority (w)); |
2383 | ev_io_start (EV_A_ &w->io); |
3087 | ev_io_start (EV_A_ &w->io); |
2384 | |
3088 | |
2385 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
3089 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2386 | ev_set_priority (&w->prepare, EV_MINPRI); |
3090 | ev_set_priority (&w->prepare, EV_MINPRI); |
2387 | ev_prepare_start (EV_A_ &w->prepare); |
3091 | ev_prepare_start (EV_A_ &w->prepare); |
2388 | |
3092 | |
|
|
3093 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
3094 | ev_fork_start (EV_A_ &w->fork); |
|
|
3095 | |
2389 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
3096 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2390 | |
3097 | |
2391 | ev_start (EV_A_ (W)w, 1); |
3098 | ev_start (EV_A_ (W)w, 1); |
|
|
3099 | |
|
|
3100 | EV_FREQUENT_CHECK; |
2392 | } |
3101 | } |
2393 | |
3102 | |
2394 | void |
3103 | void |
2395 | ev_embed_stop (EV_P_ ev_embed *w) |
3104 | ev_embed_stop (EV_P_ ev_embed *w) |
2396 | { |
3105 | { |
2397 | clear_pending (EV_A_ (W)w); |
3106 | clear_pending (EV_A_ (W)w); |
2398 | if (expect_false (!ev_is_active (w))) |
3107 | if (expect_false (!ev_is_active (w))) |
2399 | return; |
3108 | return; |
2400 | |
3109 | |
|
|
3110 | EV_FREQUENT_CHECK; |
|
|
3111 | |
2401 | ev_io_stop (EV_A_ &w->io); |
3112 | ev_io_stop (EV_A_ &w->io); |
2402 | ev_prepare_stop (EV_A_ &w->prepare); |
3113 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
3114 | ev_fork_stop (EV_A_ &w->fork); |
2403 | |
3115 | |
2404 | ev_stop (EV_A_ (W)w); |
3116 | EV_FREQUENT_CHECK; |
2405 | } |
3117 | } |
2406 | #endif |
3118 | #endif |
2407 | |
3119 | |
2408 | #if EV_FORK_ENABLE |
3120 | #if EV_FORK_ENABLE |
2409 | void |
3121 | void |
2410 | ev_fork_start (EV_P_ ev_fork *w) |
3122 | ev_fork_start (EV_P_ ev_fork *w) |
2411 | { |
3123 | { |
2412 | if (expect_false (ev_is_active (w))) |
3124 | if (expect_false (ev_is_active (w))) |
2413 | return; |
3125 | return; |
|
|
3126 | |
|
|
3127 | EV_FREQUENT_CHECK; |
2414 | |
3128 | |
2415 | ev_start (EV_A_ (W)w, ++forkcnt); |
3129 | ev_start (EV_A_ (W)w, ++forkcnt); |
2416 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
3130 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2417 | forks [forkcnt - 1] = w; |
3131 | forks [forkcnt - 1] = w; |
|
|
3132 | |
|
|
3133 | EV_FREQUENT_CHECK; |
2418 | } |
3134 | } |
2419 | |
3135 | |
2420 | void |
3136 | void |
2421 | ev_fork_stop (EV_P_ ev_fork *w) |
3137 | ev_fork_stop (EV_P_ ev_fork *w) |
2422 | { |
3138 | { |
2423 | clear_pending (EV_A_ (W)w); |
3139 | clear_pending (EV_A_ (W)w); |
2424 | if (expect_false (!ev_is_active (w))) |
3140 | if (expect_false (!ev_is_active (w))) |
2425 | return; |
3141 | return; |
2426 | |
3142 | |
|
|
3143 | EV_FREQUENT_CHECK; |
|
|
3144 | |
2427 | { |
3145 | { |
2428 | int active = ((W)w)->active; |
3146 | int active = ev_active (w); |
|
|
3147 | |
2429 | forks [active - 1] = forks [--forkcnt]; |
3148 | forks [active - 1] = forks [--forkcnt]; |
2430 | ((W)forks [active - 1])->active = active; |
3149 | ev_active (forks [active - 1]) = active; |
2431 | } |
3150 | } |
2432 | |
3151 | |
2433 | ev_stop (EV_A_ (W)w); |
3152 | ev_stop (EV_A_ (W)w); |
|
|
3153 | |
|
|
3154 | EV_FREQUENT_CHECK; |
2434 | } |
3155 | } |
2435 | #endif |
3156 | #endif |
2436 | |
3157 | |
2437 | #if EV_ASYNC_ENABLE |
3158 | #if EV_ASYNC_ENABLE |
2438 | void |
3159 | void |
… | |
… | |
2440 | { |
3161 | { |
2441 | if (expect_false (ev_is_active (w))) |
3162 | if (expect_false (ev_is_active (w))) |
2442 | return; |
3163 | return; |
2443 | |
3164 | |
2444 | evpipe_init (EV_A); |
3165 | evpipe_init (EV_A); |
|
|
3166 | |
|
|
3167 | EV_FREQUENT_CHECK; |
2445 | |
3168 | |
2446 | ev_start (EV_A_ (W)w, ++asynccnt); |
3169 | ev_start (EV_A_ (W)w, ++asynccnt); |
2447 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
3170 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2448 | asyncs [asynccnt - 1] = w; |
3171 | asyncs [asynccnt - 1] = w; |
|
|
3172 | |
|
|
3173 | EV_FREQUENT_CHECK; |
2449 | } |
3174 | } |
2450 | |
3175 | |
2451 | void |
3176 | void |
2452 | ev_async_stop (EV_P_ ev_async *w) |
3177 | ev_async_stop (EV_P_ ev_async *w) |
2453 | { |
3178 | { |
2454 | clear_pending (EV_A_ (W)w); |
3179 | clear_pending (EV_A_ (W)w); |
2455 | if (expect_false (!ev_is_active (w))) |
3180 | if (expect_false (!ev_is_active (w))) |
2456 | return; |
3181 | return; |
2457 | |
3182 | |
|
|
3183 | EV_FREQUENT_CHECK; |
|
|
3184 | |
2458 | { |
3185 | { |
2459 | int active = ((W)w)->active; |
3186 | int active = ev_active (w); |
|
|
3187 | |
2460 | asyncs [active - 1] = asyncs [--asynccnt]; |
3188 | asyncs [active - 1] = asyncs [--asynccnt]; |
2461 | ((W)asyncs [active - 1])->active = active; |
3189 | ev_active (asyncs [active - 1]) = active; |
2462 | } |
3190 | } |
2463 | |
3191 | |
2464 | ev_stop (EV_A_ (W)w); |
3192 | ev_stop (EV_A_ (W)w); |
|
|
3193 | |
|
|
3194 | EV_FREQUENT_CHECK; |
2465 | } |
3195 | } |
2466 | |
3196 | |
2467 | void |
3197 | void |
2468 | ev_async_send (EV_P_ ev_async *w) |
3198 | ev_async_send (EV_P_ ev_async *w) |
2469 | { |
3199 | { |
… | |
… | |
2486 | once_cb (EV_P_ struct ev_once *once, int revents) |
3216 | once_cb (EV_P_ struct ev_once *once, int revents) |
2487 | { |
3217 | { |
2488 | void (*cb)(int revents, void *arg) = once->cb; |
3218 | void (*cb)(int revents, void *arg) = once->cb; |
2489 | void *arg = once->arg; |
3219 | void *arg = once->arg; |
2490 | |
3220 | |
2491 | ev_io_stop (EV_A_ &once->io); |
3221 | ev_io_stop (EV_A_ &once->io); |
2492 | ev_timer_stop (EV_A_ &once->to); |
3222 | ev_timer_stop (EV_A_ &once->to); |
2493 | ev_free (once); |
3223 | ev_free (once); |
2494 | |
3224 | |
2495 | cb (revents, arg); |
3225 | cb (revents, arg); |
2496 | } |
3226 | } |
2497 | |
3227 | |
2498 | static void |
3228 | static void |
2499 | once_cb_io (EV_P_ ev_io *w, int revents) |
3229 | once_cb_io (EV_P_ ev_io *w, int revents) |
2500 | { |
3230 | { |
2501 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3231 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3232 | |
|
|
3233 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2502 | } |
3234 | } |
2503 | |
3235 | |
2504 | static void |
3236 | static void |
2505 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3237 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2506 | { |
3238 | { |
2507 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3239 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3240 | |
|
|
3241 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2508 | } |
3242 | } |
2509 | |
3243 | |
2510 | void |
3244 | void |
2511 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3245 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2512 | { |
3246 | { |
… | |
… | |
2534 | ev_timer_set (&once->to, timeout, 0.); |
3268 | ev_timer_set (&once->to, timeout, 0.); |
2535 | ev_timer_start (EV_A_ &once->to); |
3269 | ev_timer_start (EV_A_ &once->to); |
2536 | } |
3270 | } |
2537 | } |
3271 | } |
2538 | |
3272 | |
|
|
3273 | /*****************************************************************************/ |
|
|
3274 | |
|
|
3275 | #if EV_WALK_ENABLE |
|
|
3276 | void |
|
|
3277 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3278 | { |
|
|
3279 | int i, j; |
|
|
3280 | ev_watcher_list *wl, *wn; |
|
|
3281 | |
|
|
3282 | if (types & (EV_IO | EV_EMBED)) |
|
|
3283 | for (i = 0; i < anfdmax; ++i) |
|
|
3284 | for (wl = anfds [i].head; wl; ) |
|
|
3285 | { |
|
|
3286 | wn = wl->next; |
|
|
3287 | |
|
|
3288 | #if EV_EMBED_ENABLE |
|
|
3289 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3290 | { |
|
|
3291 | if (types & EV_EMBED) |
|
|
3292 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3293 | } |
|
|
3294 | else |
|
|
3295 | #endif |
|
|
3296 | #if EV_USE_INOTIFY |
|
|
3297 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3298 | ; |
|
|
3299 | else |
|
|
3300 | #endif |
|
|
3301 | if ((ev_io *)wl != &pipe_w) |
|
|
3302 | if (types & EV_IO) |
|
|
3303 | cb (EV_A_ EV_IO, wl); |
|
|
3304 | |
|
|
3305 | wl = wn; |
|
|
3306 | } |
|
|
3307 | |
|
|
3308 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3309 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3310 | #if EV_STAT_ENABLE |
|
|
3311 | /*TODO: timer is not always active*/ |
|
|
3312 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3313 | { |
|
|
3314 | if (types & EV_STAT) |
|
|
3315 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3316 | } |
|
|
3317 | else |
|
|
3318 | #endif |
|
|
3319 | if (types & EV_TIMER) |
|
|
3320 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3321 | |
|
|
3322 | #if EV_PERIODIC_ENABLE |
|
|
3323 | if (types & EV_PERIODIC) |
|
|
3324 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3325 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3326 | #endif |
|
|
3327 | |
|
|
3328 | #if EV_IDLE_ENABLE |
|
|
3329 | if (types & EV_IDLE) |
|
|
3330 | for (j = NUMPRI; i--; ) |
|
|
3331 | for (i = idlecnt [j]; i--; ) |
|
|
3332 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3333 | #endif |
|
|
3334 | |
|
|
3335 | #if EV_FORK_ENABLE |
|
|
3336 | if (types & EV_FORK) |
|
|
3337 | for (i = forkcnt; i--; ) |
|
|
3338 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3339 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3340 | #endif |
|
|
3341 | |
|
|
3342 | #if EV_ASYNC_ENABLE |
|
|
3343 | if (types & EV_ASYNC) |
|
|
3344 | for (i = asynccnt; i--; ) |
|
|
3345 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3346 | #endif |
|
|
3347 | |
|
|
3348 | if (types & EV_PREPARE) |
|
|
3349 | for (i = preparecnt; i--; ) |
|
|
3350 | #if EV_EMBED_ENABLE |
|
|
3351 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3352 | #endif |
|
|
3353 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3354 | |
|
|
3355 | if (types & EV_CHECK) |
|
|
3356 | for (i = checkcnt; i--; ) |
|
|
3357 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3358 | |
|
|
3359 | if (types & EV_SIGNAL) |
|
|
3360 | for (i = 0; i < signalmax; ++i) |
|
|
3361 | for (wl = signals [i].head; wl; ) |
|
|
3362 | { |
|
|
3363 | wn = wl->next; |
|
|
3364 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3365 | wl = wn; |
|
|
3366 | } |
|
|
3367 | |
|
|
3368 | if (types & EV_CHILD) |
|
|
3369 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3370 | for (wl = childs [i]; wl; ) |
|
|
3371 | { |
|
|
3372 | wn = wl->next; |
|
|
3373 | cb (EV_A_ EV_CHILD, wl); |
|
|
3374 | wl = wn; |
|
|
3375 | } |
|
|
3376 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3377 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3378 | } |
|
|
3379 | #endif |
|
|
3380 | |
2539 | #if EV_MULTIPLICITY |
3381 | #if EV_MULTIPLICITY |
2540 | #include "ev_wrap.h" |
3382 | #include "ev_wrap.h" |
2541 | #endif |
3383 | #endif |
2542 | |
3384 | |
2543 | #ifdef __cplusplus |
3385 | #ifdef __cplusplus |