1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * met: |
9 | * |
|
|
10 | * 1. Redistributions of source code must retain the above copyright notice, |
|
|
11 | * this list of conditions and the following disclaimer. |
|
|
12 | * |
|
|
13 | * 2. Redistributions in binary form must reproduce the above copyright |
|
|
14 | * notice, this list of conditions and the following disclaimer in the |
|
|
15 | * documentation and/or other materials provided with the distribution. |
|
|
16 | * |
|
|
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
|
|
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
|
|
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
|
|
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
|
|
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
|
|
22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
|
|
23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
|
|
24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
|
|
25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
|
|
26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
10 | * |
27 | * |
11 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
12 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
13 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
14 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
15 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
16 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
17 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
18 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
|
22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
|
23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
|
24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
|
25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
|
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
|
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
|
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
|
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
30 | */ |
38 | */ |
31 | |
39 | |
32 | #ifdef __cplusplus |
40 | #ifdef __cplusplus |
33 | extern "C" { |
41 | extern "C" { |
34 | #endif |
42 | #endif |
35 | |
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
36 | #ifndef EV_STANDALONE |
45 | #ifndef EV_STANDALONE |
37 | # ifdef EV_CONFIG_H |
46 | # ifdef EV_CONFIG_H |
38 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
39 | # else |
48 | # else |
40 | # include "config.h" |
49 | # include "config.h" |
… | |
… | |
51 | # ifndef EV_USE_MONOTONIC |
60 | # ifndef EV_USE_MONOTONIC |
52 | # define EV_USE_MONOTONIC 0 |
61 | # define EV_USE_MONOTONIC 0 |
53 | # endif |
62 | # endif |
54 | # ifndef EV_USE_REALTIME |
63 | # ifndef EV_USE_REALTIME |
55 | # define EV_USE_REALTIME 0 |
64 | # define EV_USE_REALTIME 0 |
|
|
65 | # endif |
|
|
66 | # endif |
|
|
67 | |
|
|
68 | # ifndef EV_USE_NANOSLEEP |
|
|
69 | # if HAVE_NANOSLEEP |
|
|
70 | # define EV_USE_NANOSLEEP 1 |
|
|
71 | # else |
|
|
72 | # define EV_USE_NANOSLEEP 0 |
56 | # endif |
73 | # endif |
57 | # endif |
74 | # endif |
58 | |
75 | |
59 | # ifndef EV_USE_SELECT |
76 | # ifndef EV_USE_SELECT |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
77 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
… | |
… | |
102 | # else |
119 | # else |
103 | # define EV_USE_INOTIFY 0 |
120 | # define EV_USE_INOTIFY 0 |
104 | # endif |
121 | # endif |
105 | # endif |
122 | # endif |
106 | |
123 | |
|
|
124 | # ifndef EV_USE_EVENTFD |
|
|
125 | # if HAVE_EVENTFD |
|
|
126 | # define EV_USE_EVENTFD 1 |
|
|
127 | # else |
|
|
128 | # define EV_USE_EVENTFD 0 |
|
|
129 | # endif |
|
|
130 | # endif |
|
|
131 | |
107 | #endif |
132 | #endif |
108 | |
133 | |
109 | #include <math.h> |
134 | #include <math.h> |
110 | #include <stdlib.h> |
135 | #include <stdlib.h> |
111 | #include <fcntl.h> |
136 | #include <fcntl.h> |
… | |
… | |
136 | # ifndef EV_SELECT_IS_WINSOCKET |
161 | # ifndef EV_SELECT_IS_WINSOCKET |
137 | # define EV_SELECT_IS_WINSOCKET 1 |
162 | # define EV_SELECT_IS_WINSOCKET 1 |
138 | # endif |
163 | # endif |
139 | #endif |
164 | #endif |
140 | |
165 | |
141 | /**/ |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
142 | |
167 | |
143 | #ifndef EV_USE_MONOTONIC |
168 | #ifndef EV_USE_MONOTONIC |
144 | # define EV_USE_MONOTONIC 0 |
169 | # define EV_USE_MONOTONIC 0 |
145 | #endif |
170 | #endif |
146 | |
171 | |
147 | #ifndef EV_USE_REALTIME |
172 | #ifndef EV_USE_REALTIME |
148 | # define EV_USE_REALTIME 0 |
173 | # define EV_USE_REALTIME 0 |
|
|
174 | #endif |
|
|
175 | |
|
|
176 | #ifndef EV_USE_NANOSLEEP |
|
|
177 | # define EV_USE_NANOSLEEP 0 |
149 | #endif |
178 | #endif |
150 | |
179 | |
151 | #ifndef EV_USE_SELECT |
180 | #ifndef EV_USE_SELECT |
152 | # define EV_USE_SELECT 1 |
181 | # define EV_USE_SELECT 1 |
153 | #endif |
182 | #endif |
… | |
… | |
159 | # define EV_USE_POLL 1 |
188 | # define EV_USE_POLL 1 |
160 | # endif |
189 | # endif |
161 | #endif |
190 | #endif |
162 | |
191 | |
163 | #ifndef EV_USE_EPOLL |
192 | #ifndef EV_USE_EPOLL |
|
|
193 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
194 | # define EV_USE_EPOLL 1 |
|
|
195 | # else |
164 | # define EV_USE_EPOLL 0 |
196 | # define EV_USE_EPOLL 0 |
|
|
197 | # endif |
165 | #endif |
198 | #endif |
166 | |
199 | |
167 | #ifndef EV_USE_KQUEUE |
200 | #ifndef EV_USE_KQUEUE |
168 | # define EV_USE_KQUEUE 0 |
201 | # define EV_USE_KQUEUE 0 |
169 | #endif |
202 | #endif |
… | |
… | |
171 | #ifndef EV_USE_PORT |
204 | #ifndef EV_USE_PORT |
172 | # define EV_USE_PORT 0 |
205 | # define EV_USE_PORT 0 |
173 | #endif |
206 | #endif |
174 | |
207 | |
175 | #ifndef EV_USE_INOTIFY |
208 | #ifndef EV_USE_INOTIFY |
|
|
209 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
210 | # define EV_USE_INOTIFY 1 |
|
|
211 | # else |
176 | # define EV_USE_INOTIFY 0 |
212 | # define EV_USE_INOTIFY 0 |
|
|
213 | # endif |
177 | #endif |
214 | #endif |
178 | |
215 | |
179 | #ifndef EV_PID_HASHSIZE |
216 | #ifndef EV_PID_HASHSIZE |
180 | # if EV_MINIMAL |
217 | # if EV_MINIMAL |
181 | # define EV_PID_HASHSIZE 1 |
218 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
190 | # else |
227 | # else |
191 | # define EV_INOTIFY_HASHSIZE 16 |
228 | # define EV_INOTIFY_HASHSIZE 16 |
192 | # endif |
229 | # endif |
193 | #endif |
230 | #endif |
194 | |
231 | |
195 | /**/ |
232 | #ifndef EV_USE_EVENTFD |
|
|
233 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
234 | # define EV_USE_EVENTFD 1 |
|
|
235 | # else |
|
|
236 | # define EV_USE_EVENTFD 0 |
|
|
237 | # endif |
|
|
238 | #endif |
|
|
239 | |
|
|
240 | #if 0 /* debugging */ |
|
|
241 | # define EV_VERIFY 1 |
|
|
242 | # define EV_USE_4HEAP 1 |
|
|
243 | # define EV_HEAP_CACHE_AT 1 |
|
|
244 | #endif |
|
|
245 | |
|
|
246 | #ifndef EV_USE_4HEAP |
|
|
247 | # define EV_USE_4HEAP !EV_MINIMAL |
|
|
248 | #endif |
|
|
249 | |
|
|
250 | #ifndef EV_HEAP_CACHE_AT |
|
|
251 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
252 | #endif |
|
|
253 | |
|
|
254 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
196 | |
255 | |
197 | #ifndef CLOCK_MONOTONIC |
256 | #ifndef CLOCK_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
257 | # undef EV_USE_MONOTONIC |
199 | # define EV_USE_MONOTONIC 0 |
258 | # define EV_USE_MONOTONIC 0 |
200 | #endif |
259 | #endif |
… | |
… | |
202 | #ifndef CLOCK_REALTIME |
261 | #ifndef CLOCK_REALTIME |
203 | # undef EV_USE_REALTIME |
262 | # undef EV_USE_REALTIME |
204 | # define EV_USE_REALTIME 0 |
263 | # define EV_USE_REALTIME 0 |
205 | #endif |
264 | #endif |
206 | |
265 | |
|
|
266 | #if !EV_STAT_ENABLE |
|
|
267 | # undef EV_USE_INOTIFY |
|
|
268 | # define EV_USE_INOTIFY 0 |
|
|
269 | #endif |
|
|
270 | |
|
|
271 | #if !EV_USE_NANOSLEEP |
|
|
272 | # ifndef _WIN32 |
|
|
273 | # include <sys/select.h> |
|
|
274 | # endif |
|
|
275 | #endif |
|
|
276 | |
|
|
277 | #if EV_USE_INOTIFY |
|
|
278 | # include <sys/inotify.h> |
|
|
279 | #endif |
|
|
280 | |
207 | #if EV_SELECT_IS_WINSOCKET |
281 | #if EV_SELECT_IS_WINSOCKET |
208 | # include <winsock.h> |
282 | # include <winsock.h> |
209 | #endif |
283 | #endif |
210 | |
284 | |
211 | #if !EV_STAT_ENABLE |
285 | #if EV_USE_EVENTFD |
212 | # define EV_USE_INOTIFY 0 |
286 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
287 | # include <stdint.h> |
|
|
288 | # ifdef __cplusplus |
|
|
289 | extern "C" { |
213 | #endif |
290 | # endif |
214 | |
291 | int eventfd (unsigned int initval, int flags); |
215 | #if EV_USE_INOTIFY |
292 | # ifdef __cplusplus |
216 | # include <sys/inotify.h> |
293 | } |
|
|
294 | # endif |
217 | #endif |
295 | #endif |
218 | |
296 | |
219 | /**/ |
297 | /**/ |
|
|
298 | |
|
|
299 | /* EV_VERIFY: enable internal consistency checks |
|
|
300 | * undefined or zero: no verification done or available |
|
|
301 | * 1 or higher: ev_loop_verify function available |
|
|
302 | * 2 or higher: ev_loop_verify is called frequently |
|
|
303 | */ |
|
|
304 | #if EV_VERIFY >= 1 |
|
|
305 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
|
306 | #else |
|
|
307 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
308 | #endif |
220 | |
309 | |
221 | /* |
310 | /* |
222 | * This is used to avoid floating point rounding problems. |
311 | * This is used to avoid floating point rounding problems. |
223 | * It is added to ev_rt_now when scheduling periodics |
312 | * It is added to ev_rt_now when scheduling periodics |
224 | * to ensure progress, time-wise, even when rounding |
313 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
230 | |
319 | |
231 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
320 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
232 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
321 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
233 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
322 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
234 | |
323 | |
235 | #if __GNUC__ >= 3 |
324 | #if __GNUC__ >= 4 |
236 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
325 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
237 | # define noinline __attribute__ ((noinline)) |
326 | # define noinline __attribute__ ((noinline)) |
238 | #else |
327 | #else |
239 | # define expect(expr,value) (expr) |
328 | # define expect(expr,value) (expr) |
240 | # define noinline |
329 | # define noinline |
241 | # if __STDC_VERSION__ < 199901L |
330 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
242 | # define inline |
331 | # define inline |
243 | # endif |
332 | # endif |
244 | #endif |
333 | #endif |
245 | |
334 | |
246 | #define expect_false(expr) expect ((expr) != 0, 0) |
335 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
261 | |
350 | |
262 | typedef ev_watcher *W; |
351 | typedef ev_watcher *W; |
263 | typedef ev_watcher_list *WL; |
352 | typedef ev_watcher_list *WL; |
264 | typedef ev_watcher_time *WT; |
353 | typedef ev_watcher_time *WT; |
265 | |
354 | |
|
|
355 | #define ev_active(w) ((W)(w))->active |
|
|
356 | #define ev_at(w) ((WT)(w))->at |
|
|
357 | |
|
|
358 | #if EV_USE_MONOTONIC |
|
|
359 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
360 | /* giving it a reasonably high chance of working on typical architetcures */ |
266 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
361 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
|
|
362 | #endif |
267 | |
363 | |
268 | #ifdef _WIN32 |
364 | #ifdef _WIN32 |
269 | # include "ev_win32.c" |
365 | # include "ev_win32.c" |
270 | #endif |
366 | #endif |
271 | |
367 | |
… | |
… | |
292 | perror (msg); |
388 | perror (msg); |
293 | abort (); |
389 | abort (); |
294 | } |
390 | } |
295 | } |
391 | } |
296 | |
392 | |
|
|
393 | static void * |
|
|
394 | ev_realloc_emul (void *ptr, long size) |
|
|
395 | { |
|
|
396 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
397 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
|
398 | * the single unix specification, so work around them here. |
|
|
399 | */ |
|
|
400 | |
|
|
401 | if (size) |
|
|
402 | return realloc (ptr, size); |
|
|
403 | |
|
|
404 | free (ptr); |
|
|
405 | return 0; |
|
|
406 | } |
|
|
407 | |
297 | static void *(*alloc)(void *ptr, long size); |
408 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
298 | |
409 | |
299 | void |
410 | void |
300 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
411 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
301 | { |
412 | { |
302 | alloc = cb; |
413 | alloc = cb; |
303 | } |
414 | } |
304 | |
415 | |
305 | inline_speed void * |
416 | inline_speed void * |
306 | ev_realloc (void *ptr, long size) |
417 | ev_realloc (void *ptr, long size) |
307 | { |
418 | { |
308 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
419 | ptr = alloc (ptr, size); |
309 | |
420 | |
310 | if (!ptr && size) |
421 | if (!ptr && size) |
311 | { |
422 | { |
312 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
423 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
313 | abort (); |
424 | abort (); |
… | |
… | |
336 | W w; |
447 | W w; |
337 | int events; |
448 | int events; |
338 | } ANPENDING; |
449 | } ANPENDING; |
339 | |
450 | |
340 | #if EV_USE_INOTIFY |
451 | #if EV_USE_INOTIFY |
|
|
452 | /* hash table entry per inotify-id */ |
341 | typedef struct |
453 | typedef struct |
342 | { |
454 | { |
343 | WL head; |
455 | WL head; |
344 | } ANFS; |
456 | } ANFS; |
|
|
457 | #endif |
|
|
458 | |
|
|
459 | /* Heap Entry */ |
|
|
460 | #if EV_HEAP_CACHE_AT |
|
|
461 | typedef struct { |
|
|
462 | ev_tstamp at; |
|
|
463 | WT w; |
|
|
464 | } ANHE; |
|
|
465 | |
|
|
466 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
467 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
468 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
469 | #else |
|
|
470 | typedef WT ANHE; |
|
|
471 | |
|
|
472 | #define ANHE_w(he) (he) |
|
|
473 | #define ANHE_at(he) (he)->at |
|
|
474 | #define ANHE_at_cache(he) |
345 | #endif |
475 | #endif |
346 | |
476 | |
347 | #if EV_MULTIPLICITY |
477 | #if EV_MULTIPLICITY |
348 | |
478 | |
349 | struct ev_loop |
479 | struct ev_loop |
… | |
… | |
407 | { |
537 | { |
408 | return ev_rt_now; |
538 | return ev_rt_now; |
409 | } |
539 | } |
410 | #endif |
540 | #endif |
411 | |
541 | |
|
|
542 | void |
|
|
543 | ev_sleep (ev_tstamp delay) |
|
|
544 | { |
|
|
545 | if (delay > 0.) |
|
|
546 | { |
|
|
547 | #if EV_USE_NANOSLEEP |
|
|
548 | struct timespec ts; |
|
|
549 | |
|
|
550 | ts.tv_sec = (time_t)delay; |
|
|
551 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
552 | |
|
|
553 | nanosleep (&ts, 0); |
|
|
554 | #elif defined(_WIN32) |
|
|
555 | Sleep ((unsigned long)(delay * 1e3)); |
|
|
556 | #else |
|
|
557 | struct timeval tv; |
|
|
558 | |
|
|
559 | tv.tv_sec = (time_t)delay; |
|
|
560 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
561 | |
|
|
562 | select (0, 0, 0, 0, &tv); |
|
|
563 | #endif |
|
|
564 | } |
|
|
565 | } |
|
|
566 | |
|
|
567 | /*****************************************************************************/ |
|
|
568 | |
|
|
569 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
|
|
570 | |
412 | int inline_size |
571 | int inline_size |
413 | array_nextsize (int elem, int cur, int cnt) |
572 | array_nextsize (int elem, int cur, int cnt) |
414 | { |
573 | { |
415 | int ncur = cur + 1; |
574 | int ncur = cur + 1; |
416 | |
575 | |
417 | do |
576 | do |
418 | ncur <<= 1; |
577 | ncur <<= 1; |
419 | while (cnt > ncur); |
578 | while (cnt > ncur); |
420 | |
579 | |
421 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
580 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
422 | if (elem * ncur > 4096) |
581 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
423 | { |
582 | { |
424 | ncur *= elem; |
583 | ncur *= elem; |
425 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
584 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
426 | ncur = ncur - sizeof (void *) * 4; |
585 | ncur = ncur - sizeof (void *) * 4; |
427 | ncur /= elem; |
586 | ncur /= elem; |
428 | } |
587 | } |
429 | |
588 | |
430 | return ncur; |
589 | return ncur; |
… | |
… | |
533 | { |
692 | { |
534 | int fd = fdchanges [i]; |
693 | int fd = fdchanges [i]; |
535 | ANFD *anfd = anfds + fd; |
694 | ANFD *anfd = anfds + fd; |
536 | ev_io *w; |
695 | ev_io *w; |
537 | |
696 | |
538 | int events = 0; |
697 | unsigned char events = 0; |
539 | |
698 | |
540 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
699 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
541 | events |= w->events; |
700 | events |= (unsigned char)w->events; |
542 | |
701 | |
543 | #if EV_SELECT_IS_WINSOCKET |
702 | #if EV_SELECT_IS_WINSOCKET |
544 | if (events) |
703 | if (events) |
545 | { |
704 | { |
546 | unsigned long argp; |
705 | unsigned long argp; |
|
|
706 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
707 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
708 | #else |
547 | anfd->handle = _get_osfhandle (fd); |
709 | anfd->handle = _get_osfhandle (fd); |
|
|
710 | #endif |
548 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
711 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
549 | } |
712 | } |
550 | #endif |
713 | #endif |
551 | |
714 | |
|
|
715 | { |
|
|
716 | unsigned char o_events = anfd->events; |
|
|
717 | unsigned char o_reify = anfd->reify; |
|
|
718 | |
552 | anfd->reify = 0; |
719 | anfd->reify = 0; |
553 | |
|
|
554 | backend_modify (EV_A_ fd, anfd->events, events); |
|
|
555 | anfd->events = events; |
720 | anfd->events = events; |
|
|
721 | |
|
|
722 | if (o_events != events || o_reify & EV_IOFDSET) |
|
|
723 | backend_modify (EV_A_ fd, o_events, events); |
|
|
724 | } |
556 | } |
725 | } |
557 | |
726 | |
558 | fdchangecnt = 0; |
727 | fdchangecnt = 0; |
559 | } |
728 | } |
560 | |
729 | |
561 | void inline_size |
730 | void inline_size |
562 | fd_change (EV_P_ int fd) |
731 | fd_change (EV_P_ int fd, int flags) |
563 | { |
732 | { |
564 | if (expect_false (anfds [fd].reify)) |
733 | unsigned char reify = anfds [fd].reify; |
565 | return; |
|
|
566 | |
|
|
567 | anfds [fd].reify = 1; |
734 | anfds [fd].reify |= flags; |
568 | |
735 | |
|
|
736 | if (expect_true (!reify)) |
|
|
737 | { |
569 | ++fdchangecnt; |
738 | ++fdchangecnt; |
570 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
739 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
571 | fdchanges [fdchangecnt - 1] = fd; |
740 | fdchanges [fdchangecnt - 1] = fd; |
|
|
741 | } |
572 | } |
742 | } |
573 | |
743 | |
574 | void inline_speed |
744 | void inline_speed |
575 | fd_kill (EV_P_ int fd) |
745 | fd_kill (EV_P_ int fd) |
576 | { |
746 | { |
… | |
… | |
627 | |
797 | |
628 | for (fd = 0; fd < anfdmax; ++fd) |
798 | for (fd = 0; fd < anfdmax; ++fd) |
629 | if (anfds [fd].events) |
799 | if (anfds [fd].events) |
630 | { |
800 | { |
631 | anfds [fd].events = 0; |
801 | anfds [fd].events = 0; |
632 | fd_change (EV_A_ fd); |
802 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
633 | } |
803 | } |
634 | } |
804 | } |
635 | |
805 | |
636 | /*****************************************************************************/ |
806 | /*****************************************************************************/ |
637 | |
807 | |
|
|
808 | /* |
|
|
809 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
810 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
811 | * the branching factor of the d-tree. |
|
|
812 | */ |
|
|
813 | |
|
|
814 | /* |
|
|
815 | * at the moment we allow libev the luxury of two heaps, |
|
|
816 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
817 | * which is more cache-efficient. |
|
|
818 | * the difference is about 5% with 50000+ watchers. |
|
|
819 | */ |
|
|
820 | #if EV_USE_4HEAP |
|
|
821 | |
|
|
822 | #define DHEAP 4 |
|
|
823 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
824 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
825 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
826 | |
|
|
827 | /* away from the root */ |
638 | void inline_speed |
828 | void inline_speed |
639 | upheap (WT *heap, int k) |
829 | downheap (ANHE *heap, int N, int k) |
640 | { |
830 | { |
641 | WT w = heap [k]; |
831 | ANHE he = heap [k]; |
|
|
832 | ANHE *E = heap + N + HEAP0; |
642 | |
833 | |
643 | while (k) |
834 | for (;;) |
644 | { |
835 | { |
645 | int p = (k - 1) >> 1; |
836 | ev_tstamp minat; |
|
|
837 | ANHE *minpos; |
|
|
838 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
646 | |
839 | |
647 | if (heap [p]->at <= w->at) |
840 | /* find minimum child */ |
|
|
841 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
842 | { |
|
|
843 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
844 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
845 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
846 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
847 | } |
|
|
848 | else if (pos < E) |
|
|
849 | { |
|
|
850 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
851 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
852 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
853 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
854 | } |
|
|
855 | else |
648 | break; |
856 | break; |
649 | |
857 | |
|
|
858 | if (ANHE_at (he) <= minat) |
|
|
859 | break; |
|
|
860 | |
|
|
861 | heap [k] = *minpos; |
|
|
862 | ev_active (ANHE_w (*minpos)) = k; |
|
|
863 | |
|
|
864 | k = minpos - heap; |
|
|
865 | } |
|
|
866 | |
|
|
867 | heap [k] = he; |
|
|
868 | ev_active (ANHE_w (he)) = k; |
|
|
869 | } |
|
|
870 | |
|
|
871 | #else /* 4HEAP */ |
|
|
872 | |
|
|
873 | #define HEAP0 1 |
|
|
874 | #define HPARENT(k) ((k) >> 1) |
|
|
875 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
876 | |
|
|
877 | /* away from the root */ |
|
|
878 | void inline_speed |
|
|
879 | downheap (ANHE *heap, int N, int k) |
|
|
880 | { |
|
|
881 | ANHE he = heap [k]; |
|
|
882 | |
|
|
883 | for (;;) |
|
|
884 | { |
|
|
885 | int c = k << 1; |
|
|
886 | |
|
|
887 | if (c > N + HEAP0 - 1) |
|
|
888 | break; |
|
|
889 | |
|
|
890 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
891 | ? 1 : 0; |
|
|
892 | |
|
|
893 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
894 | break; |
|
|
895 | |
|
|
896 | heap [k] = heap [c]; |
|
|
897 | ev_active (ANHE_w (heap [k])) = k; |
|
|
898 | |
|
|
899 | k = c; |
|
|
900 | } |
|
|
901 | |
|
|
902 | heap [k] = he; |
|
|
903 | ev_active (ANHE_w (he)) = k; |
|
|
904 | } |
|
|
905 | #endif |
|
|
906 | |
|
|
907 | /* towards the root */ |
|
|
908 | void inline_speed |
|
|
909 | upheap (ANHE *heap, int k) |
|
|
910 | { |
|
|
911 | ANHE he = heap [k]; |
|
|
912 | |
|
|
913 | for (;;) |
|
|
914 | { |
|
|
915 | int p = HPARENT (k); |
|
|
916 | |
|
|
917 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
918 | break; |
|
|
919 | |
650 | heap [k] = heap [p]; |
920 | heap [k] = heap [p]; |
651 | ((W)heap [k])->active = k + 1; |
921 | ev_active (ANHE_w (heap [k])) = k; |
652 | k = p; |
922 | k = p; |
653 | } |
923 | } |
654 | |
924 | |
655 | heap [k] = w; |
925 | heap [k] = he; |
656 | ((W)heap [k])->active = k + 1; |
926 | ev_active (ANHE_w (he)) = k; |
657 | } |
|
|
658 | |
|
|
659 | void inline_speed |
|
|
660 | downheap (WT *heap, int N, int k) |
|
|
661 | { |
|
|
662 | WT w = heap [k]; |
|
|
663 | |
|
|
664 | for (;;) |
|
|
665 | { |
|
|
666 | int c = (k << 1) + 1; |
|
|
667 | |
|
|
668 | if (c >= N) |
|
|
669 | break; |
|
|
670 | |
|
|
671 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
672 | ? 1 : 0; |
|
|
673 | |
|
|
674 | if (w->at <= heap [c]->at) |
|
|
675 | break; |
|
|
676 | |
|
|
677 | heap [k] = heap [c]; |
|
|
678 | ((W)heap [k])->active = k + 1; |
|
|
679 | |
|
|
680 | k = c; |
|
|
681 | } |
|
|
682 | |
|
|
683 | heap [k] = w; |
|
|
684 | ((W)heap [k])->active = k + 1; |
|
|
685 | } |
927 | } |
686 | |
928 | |
687 | void inline_size |
929 | void inline_size |
688 | adjustheap (WT *heap, int N, int k) |
930 | adjustheap (ANHE *heap, int N, int k) |
689 | { |
931 | { |
|
|
932 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
690 | upheap (heap, k); |
933 | upheap (heap, k); |
|
|
934 | else |
691 | downheap (heap, N, k); |
935 | downheap (heap, N, k); |
692 | } |
936 | } |
|
|
937 | |
|
|
938 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
939 | void inline_size |
|
|
940 | reheap (ANHE *heap, int N) |
|
|
941 | { |
|
|
942 | int i; |
|
|
943 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
944 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
945 | for (i = 0; i < N; ++i) |
|
|
946 | upheap (heap, i + HEAP0); |
|
|
947 | } |
|
|
948 | |
|
|
949 | #if EV_VERIFY |
|
|
950 | static void |
|
|
951 | checkheap (ANHE *heap, int N) |
|
|
952 | { |
|
|
953 | int i; |
|
|
954 | |
|
|
955 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
956 | { |
|
|
957 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
958 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
959 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
960 | } |
|
|
961 | } |
|
|
962 | #endif |
693 | |
963 | |
694 | /*****************************************************************************/ |
964 | /*****************************************************************************/ |
695 | |
965 | |
696 | typedef struct |
966 | typedef struct |
697 | { |
967 | { |
698 | WL head; |
968 | WL head; |
699 | sig_atomic_t volatile gotsig; |
969 | EV_ATOMIC_T gotsig; |
700 | } ANSIG; |
970 | } ANSIG; |
701 | |
971 | |
702 | static ANSIG *signals; |
972 | static ANSIG *signals; |
703 | static int signalmax; |
973 | static int signalmax; |
704 | |
974 | |
705 | static int sigpipe [2]; |
975 | static EV_ATOMIC_T gotsig; |
706 | static sig_atomic_t volatile gotsig; |
|
|
707 | static ev_io sigev; |
|
|
708 | |
976 | |
709 | void inline_size |
977 | void inline_size |
710 | signals_init (ANSIG *base, int count) |
978 | signals_init (ANSIG *base, int count) |
711 | { |
979 | { |
712 | while (count--) |
980 | while (count--) |
… | |
… | |
716 | |
984 | |
717 | ++base; |
985 | ++base; |
718 | } |
986 | } |
719 | } |
987 | } |
720 | |
988 | |
721 | static void |
989 | /*****************************************************************************/ |
722 | sighandler (int signum) |
|
|
723 | { |
|
|
724 | #if _WIN32 |
|
|
725 | signal (signum, sighandler); |
|
|
726 | #endif |
|
|
727 | |
|
|
728 | signals [signum - 1].gotsig = 1; |
|
|
729 | |
|
|
730 | if (!gotsig) |
|
|
731 | { |
|
|
732 | int old_errno = errno; |
|
|
733 | gotsig = 1; |
|
|
734 | write (sigpipe [1], &signum, 1); |
|
|
735 | errno = old_errno; |
|
|
736 | } |
|
|
737 | } |
|
|
738 | |
|
|
739 | void noinline |
|
|
740 | ev_feed_signal_event (EV_P_ int signum) |
|
|
741 | { |
|
|
742 | WL w; |
|
|
743 | |
|
|
744 | #if EV_MULTIPLICITY |
|
|
745 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
746 | #endif |
|
|
747 | |
|
|
748 | --signum; |
|
|
749 | |
|
|
750 | if (signum < 0 || signum >= signalmax) |
|
|
751 | return; |
|
|
752 | |
|
|
753 | signals [signum].gotsig = 0; |
|
|
754 | |
|
|
755 | for (w = signals [signum].head; w; w = w->next) |
|
|
756 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
757 | } |
|
|
758 | |
|
|
759 | static void |
|
|
760 | sigcb (EV_P_ ev_io *iow, int revents) |
|
|
761 | { |
|
|
762 | int signum; |
|
|
763 | |
|
|
764 | read (sigpipe [0], &revents, 1); |
|
|
765 | gotsig = 0; |
|
|
766 | |
|
|
767 | for (signum = signalmax; signum--; ) |
|
|
768 | if (signals [signum].gotsig) |
|
|
769 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
770 | } |
|
|
771 | |
990 | |
772 | void inline_speed |
991 | void inline_speed |
773 | fd_intern (int fd) |
992 | fd_intern (int fd) |
774 | { |
993 | { |
775 | #ifdef _WIN32 |
994 | #ifdef _WIN32 |
… | |
… | |
780 | fcntl (fd, F_SETFL, O_NONBLOCK); |
999 | fcntl (fd, F_SETFL, O_NONBLOCK); |
781 | #endif |
1000 | #endif |
782 | } |
1001 | } |
783 | |
1002 | |
784 | static void noinline |
1003 | static void noinline |
785 | siginit (EV_P) |
1004 | evpipe_init (EV_P) |
786 | { |
1005 | { |
|
|
1006 | if (!ev_is_active (&pipeev)) |
|
|
1007 | { |
|
|
1008 | #if EV_USE_EVENTFD |
|
|
1009 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
1010 | { |
|
|
1011 | evpipe [0] = -1; |
|
|
1012 | fd_intern (evfd); |
|
|
1013 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
1014 | } |
|
|
1015 | else |
|
|
1016 | #endif |
|
|
1017 | { |
|
|
1018 | while (pipe (evpipe)) |
|
|
1019 | syserr ("(libev) error creating signal/async pipe"); |
|
|
1020 | |
787 | fd_intern (sigpipe [0]); |
1021 | fd_intern (evpipe [0]); |
788 | fd_intern (sigpipe [1]); |
1022 | fd_intern (evpipe [1]); |
|
|
1023 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
1024 | } |
789 | |
1025 | |
790 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
|
|
791 | ev_io_start (EV_A_ &sigev); |
1026 | ev_io_start (EV_A_ &pipeev); |
792 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1027 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1028 | } |
|
|
1029 | } |
|
|
1030 | |
|
|
1031 | void inline_size |
|
|
1032 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1033 | { |
|
|
1034 | if (!*flag) |
|
|
1035 | { |
|
|
1036 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1037 | |
|
|
1038 | *flag = 1; |
|
|
1039 | |
|
|
1040 | #if EV_USE_EVENTFD |
|
|
1041 | if (evfd >= 0) |
|
|
1042 | { |
|
|
1043 | uint64_t counter = 1; |
|
|
1044 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1045 | } |
|
|
1046 | else |
|
|
1047 | #endif |
|
|
1048 | write (evpipe [1], &old_errno, 1); |
|
|
1049 | |
|
|
1050 | errno = old_errno; |
|
|
1051 | } |
|
|
1052 | } |
|
|
1053 | |
|
|
1054 | static void |
|
|
1055 | pipecb (EV_P_ ev_io *iow, int revents) |
|
|
1056 | { |
|
|
1057 | #if EV_USE_EVENTFD |
|
|
1058 | if (evfd >= 0) |
|
|
1059 | { |
|
|
1060 | uint64_t counter; |
|
|
1061 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1062 | } |
|
|
1063 | else |
|
|
1064 | #endif |
|
|
1065 | { |
|
|
1066 | char dummy; |
|
|
1067 | read (evpipe [0], &dummy, 1); |
|
|
1068 | } |
|
|
1069 | |
|
|
1070 | if (gotsig && ev_is_default_loop (EV_A)) |
|
|
1071 | { |
|
|
1072 | int signum; |
|
|
1073 | gotsig = 0; |
|
|
1074 | |
|
|
1075 | for (signum = signalmax; signum--; ) |
|
|
1076 | if (signals [signum].gotsig) |
|
|
1077 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
1078 | } |
|
|
1079 | |
|
|
1080 | #if EV_ASYNC_ENABLE |
|
|
1081 | if (gotasync) |
|
|
1082 | { |
|
|
1083 | int i; |
|
|
1084 | gotasync = 0; |
|
|
1085 | |
|
|
1086 | for (i = asynccnt; i--; ) |
|
|
1087 | if (asyncs [i]->sent) |
|
|
1088 | { |
|
|
1089 | asyncs [i]->sent = 0; |
|
|
1090 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
1091 | } |
|
|
1092 | } |
|
|
1093 | #endif |
793 | } |
1094 | } |
794 | |
1095 | |
795 | /*****************************************************************************/ |
1096 | /*****************************************************************************/ |
796 | |
1097 | |
|
|
1098 | static void |
|
|
1099 | ev_sighandler (int signum) |
|
|
1100 | { |
|
|
1101 | #if EV_MULTIPLICITY |
|
|
1102 | struct ev_loop *loop = &default_loop_struct; |
|
|
1103 | #endif |
|
|
1104 | |
|
|
1105 | #if _WIN32 |
|
|
1106 | signal (signum, ev_sighandler); |
|
|
1107 | #endif |
|
|
1108 | |
|
|
1109 | signals [signum - 1].gotsig = 1; |
|
|
1110 | evpipe_write (EV_A_ &gotsig); |
|
|
1111 | } |
|
|
1112 | |
|
|
1113 | void noinline |
|
|
1114 | ev_feed_signal_event (EV_P_ int signum) |
|
|
1115 | { |
|
|
1116 | WL w; |
|
|
1117 | |
|
|
1118 | #if EV_MULTIPLICITY |
|
|
1119 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
1120 | #endif |
|
|
1121 | |
|
|
1122 | --signum; |
|
|
1123 | |
|
|
1124 | if (signum < 0 || signum >= signalmax) |
|
|
1125 | return; |
|
|
1126 | |
|
|
1127 | signals [signum].gotsig = 0; |
|
|
1128 | |
|
|
1129 | for (w = signals [signum].head; w; w = w->next) |
|
|
1130 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
1131 | } |
|
|
1132 | |
|
|
1133 | /*****************************************************************************/ |
|
|
1134 | |
797 | static WL childs [EV_PID_HASHSIZE]; |
1135 | static WL childs [EV_PID_HASHSIZE]; |
798 | |
1136 | |
799 | #ifndef _WIN32 |
1137 | #ifndef _WIN32 |
800 | |
1138 | |
801 | static ev_signal childev; |
1139 | static ev_signal childev; |
802 | |
1140 | |
|
|
1141 | #ifndef WIFCONTINUED |
|
|
1142 | # define WIFCONTINUED(status) 0 |
|
|
1143 | #endif |
|
|
1144 | |
803 | void inline_speed |
1145 | void inline_speed |
804 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1146 | child_reap (EV_P_ int chain, int pid, int status) |
805 | { |
1147 | { |
806 | ev_child *w; |
1148 | ev_child *w; |
|
|
1149 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
807 | |
1150 | |
808 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1151 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1152 | { |
809 | if (w->pid == pid || !w->pid) |
1153 | if ((w->pid == pid || !w->pid) |
|
|
1154 | && (!traced || (w->flags & 1))) |
810 | { |
1155 | { |
811 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1156 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
812 | w->rpid = pid; |
1157 | w->rpid = pid; |
813 | w->rstatus = status; |
1158 | w->rstatus = status; |
814 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1159 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
815 | } |
1160 | } |
|
|
1161 | } |
816 | } |
1162 | } |
817 | |
1163 | |
818 | #ifndef WCONTINUED |
1164 | #ifndef WCONTINUED |
819 | # define WCONTINUED 0 |
1165 | # define WCONTINUED 0 |
820 | #endif |
1166 | #endif |
… | |
… | |
829 | if (!WCONTINUED |
1175 | if (!WCONTINUED |
830 | || errno != EINVAL |
1176 | || errno != EINVAL |
831 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1177 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
832 | return; |
1178 | return; |
833 | |
1179 | |
834 | /* make sure we are called again until all childs have been reaped */ |
1180 | /* make sure we are called again until all children have been reaped */ |
835 | /* we need to do it this way so that the callback gets called before we continue */ |
1181 | /* we need to do it this way so that the callback gets called before we continue */ |
836 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1182 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
837 | |
1183 | |
838 | child_reap (EV_A_ sw, pid, pid, status); |
1184 | child_reap (EV_A_ pid, pid, status); |
839 | if (EV_PID_HASHSIZE > 1) |
1185 | if (EV_PID_HASHSIZE > 1) |
840 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1186 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
841 | } |
1187 | } |
842 | |
1188 | |
843 | #endif |
1189 | #endif |
844 | |
1190 | |
845 | /*****************************************************************************/ |
1191 | /*****************************************************************************/ |
… | |
… | |
917 | } |
1263 | } |
918 | |
1264 | |
919 | unsigned int |
1265 | unsigned int |
920 | ev_embeddable_backends (void) |
1266 | ev_embeddable_backends (void) |
921 | { |
1267 | { |
922 | return EVBACKEND_EPOLL |
1268 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
923 | | EVBACKEND_KQUEUE |
1269 | |
924 | | EVBACKEND_PORT; |
1270 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
1271 | /* please fix it and tell me how to detect the fix */ |
|
|
1272 | flags &= ~EVBACKEND_EPOLL; |
|
|
1273 | |
|
|
1274 | return flags; |
925 | } |
1275 | } |
926 | |
1276 | |
927 | unsigned int |
1277 | unsigned int |
928 | ev_backend (EV_P) |
1278 | ev_backend (EV_P) |
929 | { |
1279 | { |
… | |
… | |
932 | |
1282 | |
933 | unsigned int |
1283 | unsigned int |
934 | ev_loop_count (EV_P) |
1284 | ev_loop_count (EV_P) |
935 | { |
1285 | { |
936 | return loop_count; |
1286 | return loop_count; |
|
|
1287 | } |
|
|
1288 | |
|
|
1289 | void |
|
|
1290 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1291 | { |
|
|
1292 | io_blocktime = interval; |
|
|
1293 | } |
|
|
1294 | |
|
|
1295 | void |
|
|
1296 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1297 | { |
|
|
1298 | timeout_blocktime = interval; |
937 | } |
1299 | } |
938 | |
1300 | |
939 | static void noinline |
1301 | static void noinline |
940 | loop_init (EV_P_ unsigned int flags) |
1302 | loop_init (EV_P_ unsigned int flags) |
941 | { |
1303 | { |
… | |
… | |
947 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1309 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
948 | have_monotonic = 1; |
1310 | have_monotonic = 1; |
949 | } |
1311 | } |
950 | #endif |
1312 | #endif |
951 | |
1313 | |
952 | ev_rt_now = ev_time (); |
1314 | ev_rt_now = ev_time (); |
953 | mn_now = get_clock (); |
1315 | mn_now = get_clock (); |
954 | now_floor = mn_now; |
1316 | now_floor = mn_now; |
955 | rtmn_diff = ev_rt_now - mn_now; |
1317 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1318 | |
|
|
1319 | io_blocktime = 0.; |
|
|
1320 | timeout_blocktime = 0.; |
|
|
1321 | backend = 0; |
|
|
1322 | backend_fd = -1; |
|
|
1323 | gotasync = 0; |
|
|
1324 | #if EV_USE_INOTIFY |
|
|
1325 | fs_fd = -2; |
|
|
1326 | #endif |
956 | |
1327 | |
957 | /* pid check not overridable via env */ |
1328 | /* pid check not overridable via env */ |
958 | #ifndef _WIN32 |
1329 | #ifndef _WIN32 |
959 | if (flags & EVFLAG_FORKCHECK) |
1330 | if (flags & EVFLAG_FORKCHECK) |
960 | curpid = getpid (); |
1331 | curpid = getpid (); |
… | |
… | |
963 | if (!(flags & EVFLAG_NOENV) |
1334 | if (!(flags & EVFLAG_NOENV) |
964 | && !enable_secure () |
1335 | && !enable_secure () |
965 | && getenv ("LIBEV_FLAGS")) |
1336 | && getenv ("LIBEV_FLAGS")) |
966 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1337 | flags = atoi (getenv ("LIBEV_FLAGS")); |
967 | |
1338 | |
968 | if (!(flags & 0x0000ffffUL)) |
1339 | if (!(flags & 0x0000ffffU)) |
969 | flags |= ev_recommended_backends (); |
1340 | flags |= ev_recommended_backends (); |
970 | |
|
|
971 | backend = 0; |
|
|
972 | backend_fd = -1; |
|
|
973 | #if EV_USE_INOTIFY |
|
|
974 | fs_fd = -2; |
|
|
975 | #endif |
|
|
976 | |
1341 | |
977 | #if EV_USE_PORT |
1342 | #if EV_USE_PORT |
978 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1343 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
979 | #endif |
1344 | #endif |
980 | #if EV_USE_KQUEUE |
1345 | #if EV_USE_KQUEUE |
… | |
… | |
988 | #endif |
1353 | #endif |
989 | #if EV_USE_SELECT |
1354 | #if EV_USE_SELECT |
990 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1355 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
991 | #endif |
1356 | #endif |
992 | |
1357 | |
993 | ev_init (&sigev, sigcb); |
1358 | ev_init (&pipeev, pipecb); |
994 | ev_set_priority (&sigev, EV_MAXPRI); |
1359 | ev_set_priority (&pipeev, EV_MAXPRI); |
995 | } |
1360 | } |
996 | } |
1361 | } |
997 | |
1362 | |
998 | static void noinline |
1363 | static void noinline |
999 | loop_destroy (EV_P) |
1364 | loop_destroy (EV_P) |
1000 | { |
1365 | { |
1001 | int i; |
1366 | int i; |
|
|
1367 | |
|
|
1368 | if (ev_is_active (&pipeev)) |
|
|
1369 | { |
|
|
1370 | ev_ref (EV_A); /* signal watcher */ |
|
|
1371 | ev_io_stop (EV_A_ &pipeev); |
|
|
1372 | |
|
|
1373 | #if EV_USE_EVENTFD |
|
|
1374 | if (evfd >= 0) |
|
|
1375 | close (evfd); |
|
|
1376 | #endif |
|
|
1377 | |
|
|
1378 | if (evpipe [0] >= 0) |
|
|
1379 | { |
|
|
1380 | close (evpipe [0]); |
|
|
1381 | close (evpipe [1]); |
|
|
1382 | } |
|
|
1383 | } |
1002 | |
1384 | |
1003 | #if EV_USE_INOTIFY |
1385 | #if EV_USE_INOTIFY |
1004 | if (fs_fd >= 0) |
1386 | if (fs_fd >= 0) |
1005 | close (fs_fd); |
1387 | close (fs_fd); |
1006 | #endif |
1388 | #endif |
… | |
… | |
1029 | array_free (pending, [i]); |
1411 | array_free (pending, [i]); |
1030 | #if EV_IDLE_ENABLE |
1412 | #if EV_IDLE_ENABLE |
1031 | array_free (idle, [i]); |
1413 | array_free (idle, [i]); |
1032 | #endif |
1414 | #endif |
1033 | } |
1415 | } |
|
|
1416 | |
|
|
1417 | ev_free (anfds); anfdmax = 0; |
1034 | |
1418 | |
1035 | /* have to use the microsoft-never-gets-it-right macro */ |
1419 | /* have to use the microsoft-never-gets-it-right macro */ |
1036 | array_free (fdchange, EMPTY); |
1420 | array_free (fdchange, EMPTY); |
1037 | array_free (timer, EMPTY); |
1421 | array_free (timer, EMPTY); |
1038 | #if EV_PERIODIC_ENABLE |
1422 | #if EV_PERIODIC_ENABLE |
1039 | array_free (periodic, EMPTY); |
1423 | array_free (periodic, EMPTY); |
1040 | #endif |
1424 | #endif |
|
|
1425 | #if EV_FORK_ENABLE |
|
|
1426 | array_free (fork, EMPTY); |
|
|
1427 | #endif |
1041 | array_free (prepare, EMPTY); |
1428 | array_free (prepare, EMPTY); |
1042 | array_free (check, EMPTY); |
1429 | array_free (check, EMPTY); |
|
|
1430 | #if EV_ASYNC_ENABLE |
|
|
1431 | array_free (async, EMPTY); |
|
|
1432 | #endif |
1043 | |
1433 | |
1044 | backend = 0; |
1434 | backend = 0; |
1045 | } |
1435 | } |
1046 | |
1436 | |
|
|
1437 | #if EV_USE_INOTIFY |
1047 | void inline_size infy_fork (EV_P); |
1438 | void inline_size infy_fork (EV_P); |
|
|
1439 | #endif |
1048 | |
1440 | |
1049 | void inline_size |
1441 | void inline_size |
1050 | loop_fork (EV_P) |
1442 | loop_fork (EV_P) |
1051 | { |
1443 | { |
1052 | #if EV_USE_PORT |
1444 | #if EV_USE_PORT |
… | |
… | |
1060 | #endif |
1452 | #endif |
1061 | #if EV_USE_INOTIFY |
1453 | #if EV_USE_INOTIFY |
1062 | infy_fork (EV_A); |
1454 | infy_fork (EV_A); |
1063 | #endif |
1455 | #endif |
1064 | |
1456 | |
1065 | if (ev_is_active (&sigev)) |
1457 | if (ev_is_active (&pipeev)) |
1066 | { |
1458 | { |
1067 | /* default loop */ |
1459 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1460 | /* while we modify the fd vars */ |
|
|
1461 | gotsig = 1; |
|
|
1462 | #if EV_ASYNC_ENABLE |
|
|
1463 | gotasync = 1; |
|
|
1464 | #endif |
1068 | |
1465 | |
1069 | ev_ref (EV_A); |
1466 | ev_ref (EV_A); |
1070 | ev_io_stop (EV_A_ &sigev); |
1467 | ev_io_stop (EV_A_ &pipeev); |
|
|
1468 | |
|
|
1469 | #if EV_USE_EVENTFD |
|
|
1470 | if (evfd >= 0) |
|
|
1471 | close (evfd); |
|
|
1472 | #endif |
|
|
1473 | |
|
|
1474 | if (evpipe [0] >= 0) |
|
|
1475 | { |
1071 | close (sigpipe [0]); |
1476 | close (evpipe [0]); |
1072 | close (sigpipe [1]); |
1477 | close (evpipe [1]); |
|
|
1478 | } |
1073 | |
1479 | |
1074 | while (pipe (sigpipe)) |
|
|
1075 | syserr ("(libev) error creating pipe"); |
|
|
1076 | |
|
|
1077 | siginit (EV_A); |
1480 | evpipe_init (EV_A); |
|
|
1481 | /* now iterate over everything, in case we missed something */ |
|
|
1482 | pipecb (EV_A_ &pipeev, EV_READ); |
1078 | } |
1483 | } |
1079 | |
1484 | |
1080 | postfork = 0; |
1485 | postfork = 0; |
1081 | } |
1486 | } |
1082 | |
1487 | |
… | |
… | |
1104 | } |
1509 | } |
1105 | |
1510 | |
1106 | void |
1511 | void |
1107 | ev_loop_fork (EV_P) |
1512 | ev_loop_fork (EV_P) |
1108 | { |
1513 | { |
1109 | postfork = 1; |
1514 | postfork = 1; /* must be in line with ev_default_fork */ |
1110 | } |
1515 | } |
|
|
1516 | |
|
|
1517 | #if EV_VERIFY |
|
|
1518 | static void |
|
|
1519 | array_check (W **ws, int cnt) |
|
|
1520 | { |
|
|
1521 | while (cnt--) |
|
|
1522 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1523 | } |
|
|
1524 | |
|
|
1525 | static void |
|
|
1526 | ev_loop_verify (EV_P) |
|
|
1527 | { |
|
|
1528 | int i; |
|
|
1529 | |
|
|
1530 | checkheap (timers, timercnt); |
|
|
1531 | #if EV_PERIODIC_ENABLE |
|
|
1532 | checkheap (periodics, periodiccnt); |
|
|
1533 | #endif |
|
|
1534 | |
|
|
1535 | #if EV_IDLE_ENABLE |
|
|
1536 | for (i = NUMPRI; i--; ) |
|
|
1537 | array_check ((W **)idles [i], idlecnt [i]); |
|
|
1538 | #endif |
|
|
1539 | #if EV_FORK_ENABLE |
|
|
1540 | array_check ((W **)forks, forkcnt); |
|
|
1541 | #endif |
|
|
1542 | array_check ((W **)prepares, preparecnt); |
|
|
1543 | array_check ((W **)checks, checkcnt); |
|
|
1544 | #if EV_ASYNC_ENABLE |
|
|
1545 | array_check ((W **)asyncs, asynccnt); |
|
|
1546 | #endif |
|
|
1547 | } |
|
|
1548 | #endif |
1111 | |
1549 | |
1112 | #endif |
1550 | #endif |
1113 | |
1551 | |
1114 | #if EV_MULTIPLICITY |
1552 | #if EV_MULTIPLICITY |
1115 | struct ev_loop * |
1553 | struct ev_loop * |
… | |
… | |
1117 | #else |
1555 | #else |
1118 | int |
1556 | int |
1119 | ev_default_loop (unsigned int flags) |
1557 | ev_default_loop (unsigned int flags) |
1120 | #endif |
1558 | #endif |
1121 | { |
1559 | { |
1122 | if (sigpipe [0] == sigpipe [1]) |
|
|
1123 | if (pipe (sigpipe)) |
|
|
1124 | return 0; |
|
|
1125 | |
|
|
1126 | if (!ev_default_loop_ptr) |
1560 | if (!ev_default_loop_ptr) |
1127 | { |
1561 | { |
1128 | #if EV_MULTIPLICITY |
1562 | #if EV_MULTIPLICITY |
1129 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1563 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1130 | #else |
1564 | #else |
… | |
… | |
1133 | |
1567 | |
1134 | loop_init (EV_A_ flags); |
1568 | loop_init (EV_A_ flags); |
1135 | |
1569 | |
1136 | if (ev_backend (EV_A)) |
1570 | if (ev_backend (EV_A)) |
1137 | { |
1571 | { |
1138 | siginit (EV_A); |
|
|
1139 | |
|
|
1140 | #ifndef _WIN32 |
1572 | #ifndef _WIN32 |
1141 | ev_signal_init (&childev, childcb, SIGCHLD); |
1573 | ev_signal_init (&childev, childcb, SIGCHLD); |
1142 | ev_set_priority (&childev, EV_MAXPRI); |
1574 | ev_set_priority (&childev, EV_MAXPRI); |
1143 | ev_signal_start (EV_A_ &childev); |
1575 | ev_signal_start (EV_A_ &childev); |
1144 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1576 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
… | |
… | |
1161 | #ifndef _WIN32 |
1593 | #ifndef _WIN32 |
1162 | ev_ref (EV_A); /* child watcher */ |
1594 | ev_ref (EV_A); /* child watcher */ |
1163 | ev_signal_stop (EV_A_ &childev); |
1595 | ev_signal_stop (EV_A_ &childev); |
1164 | #endif |
1596 | #endif |
1165 | |
1597 | |
1166 | ev_ref (EV_A); /* signal watcher */ |
|
|
1167 | ev_io_stop (EV_A_ &sigev); |
|
|
1168 | |
|
|
1169 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1170 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1171 | |
|
|
1172 | loop_destroy (EV_A); |
1598 | loop_destroy (EV_A); |
1173 | } |
1599 | } |
1174 | |
1600 | |
1175 | void |
1601 | void |
1176 | ev_default_fork (void) |
1602 | ev_default_fork (void) |
… | |
… | |
1178 | #if EV_MULTIPLICITY |
1604 | #if EV_MULTIPLICITY |
1179 | struct ev_loop *loop = ev_default_loop_ptr; |
1605 | struct ev_loop *loop = ev_default_loop_ptr; |
1180 | #endif |
1606 | #endif |
1181 | |
1607 | |
1182 | if (backend) |
1608 | if (backend) |
1183 | postfork = 1; |
1609 | postfork = 1; /* must be in line with ev_loop_fork */ |
1184 | } |
1610 | } |
1185 | |
1611 | |
1186 | /*****************************************************************************/ |
1612 | /*****************************************************************************/ |
1187 | |
1613 | |
1188 | void |
1614 | void |
… | |
… | |
1193 | |
1619 | |
1194 | void inline_speed |
1620 | void inline_speed |
1195 | call_pending (EV_P) |
1621 | call_pending (EV_P) |
1196 | { |
1622 | { |
1197 | int pri; |
1623 | int pri; |
|
|
1624 | |
|
|
1625 | EV_FREQUENT_CHECK; |
1198 | |
1626 | |
1199 | for (pri = NUMPRI; pri--; ) |
1627 | for (pri = NUMPRI; pri--; ) |
1200 | while (pendingcnt [pri]) |
1628 | while (pendingcnt [pri]) |
1201 | { |
1629 | { |
1202 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1630 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
… | |
… | |
1207 | |
1635 | |
1208 | p->w->pending = 0; |
1636 | p->w->pending = 0; |
1209 | EV_CB_INVOKE (p->w, p->events); |
1637 | EV_CB_INVOKE (p->w, p->events); |
1210 | } |
1638 | } |
1211 | } |
1639 | } |
1212 | } |
|
|
1213 | |
1640 | |
1214 | void inline_size |
1641 | EV_FREQUENT_CHECK; |
1215 | timers_reify (EV_P) |
|
|
1216 | { |
|
|
1217 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1218 | { |
|
|
1219 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1220 | |
|
|
1221 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1222 | |
|
|
1223 | /* first reschedule or stop timer */ |
|
|
1224 | if (w->repeat) |
|
|
1225 | { |
|
|
1226 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1227 | |
|
|
1228 | ((WT)w)->at += w->repeat; |
|
|
1229 | if (((WT)w)->at < mn_now) |
|
|
1230 | ((WT)w)->at = mn_now; |
|
|
1231 | |
|
|
1232 | downheap (timers, timercnt, 0); |
|
|
1233 | } |
|
|
1234 | else |
|
|
1235 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1236 | |
|
|
1237 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1238 | } |
|
|
1239 | } |
1642 | } |
1240 | |
|
|
1241 | #if EV_PERIODIC_ENABLE |
|
|
1242 | void inline_size |
|
|
1243 | periodics_reify (EV_P) |
|
|
1244 | { |
|
|
1245 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1246 | { |
|
|
1247 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1248 | |
|
|
1249 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1250 | |
|
|
1251 | /* first reschedule or stop timer */ |
|
|
1252 | if (w->reschedule_cb) |
|
|
1253 | { |
|
|
1254 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1255 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1256 | downheap (periodics, periodiccnt, 0); |
|
|
1257 | } |
|
|
1258 | else if (w->interval) |
|
|
1259 | { |
|
|
1260 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1261 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1262 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1263 | downheap (periodics, periodiccnt, 0); |
|
|
1264 | } |
|
|
1265 | else |
|
|
1266 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1267 | |
|
|
1268 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1269 | } |
|
|
1270 | } |
|
|
1271 | |
|
|
1272 | static void noinline |
|
|
1273 | periodics_reschedule (EV_P) |
|
|
1274 | { |
|
|
1275 | int i; |
|
|
1276 | |
|
|
1277 | /* adjust periodics after time jump */ |
|
|
1278 | for (i = 0; i < periodiccnt; ++i) |
|
|
1279 | { |
|
|
1280 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1281 | |
|
|
1282 | if (w->reschedule_cb) |
|
|
1283 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1284 | else if (w->interval) |
|
|
1285 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1286 | } |
|
|
1287 | |
|
|
1288 | /* now rebuild the heap */ |
|
|
1289 | for (i = periodiccnt >> 1; i--; ) |
|
|
1290 | downheap (periodics, periodiccnt, i); |
|
|
1291 | } |
|
|
1292 | #endif |
|
|
1293 | |
1643 | |
1294 | #if EV_IDLE_ENABLE |
1644 | #if EV_IDLE_ENABLE |
1295 | void inline_size |
1645 | void inline_size |
1296 | idle_reify (EV_P) |
1646 | idle_reify (EV_P) |
1297 | { |
1647 | { |
… | |
… | |
1309 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1659 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1310 | break; |
1660 | break; |
1311 | } |
1661 | } |
1312 | } |
1662 | } |
1313 | } |
1663 | } |
|
|
1664 | } |
|
|
1665 | #endif |
|
|
1666 | |
|
|
1667 | void inline_size |
|
|
1668 | timers_reify (EV_P) |
|
|
1669 | { |
|
|
1670 | EV_FREQUENT_CHECK; |
|
|
1671 | |
|
|
1672 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1673 | { |
|
|
1674 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1675 | |
|
|
1676 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1677 | |
|
|
1678 | /* first reschedule or stop timer */ |
|
|
1679 | if (w->repeat) |
|
|
1680 | { |
|
|
1681 | ev_at (w) += w->repeat; |
|
|
1682 | if (ev_at (w) < mn_now) |
|
|
1683 | ev_at (w) = mn_now; |
|
|
1684 | |
|
|
1685 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1686 | |
|
|
1687 | ANHE_at_cache (timers [HEAP0]); |
|
|
1688 | downheap (timers, timercnt, HEAP0); |
|
|
1689 | } |
|
|
1690 | else |
|
|
1691 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1692 | |
|
|
1693 | EV_FREQUENT_CHECK; |
|
|
1694 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1695 | } |
|
|
1696 | } |
|
|
1697 | |
|
|
1698 | #if EV_PERIODIC_ENABLE |
|
|
1699 | void inline_size |
|
|
1700 | periodics_reify (EV_P) |
|
|
1701 | { |
|
|
1702 | EV_FREQUENT_CHECK; |
|
|
1703 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1704 | { |
|
|
1705 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1706 | |
|
|
1707 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1708 | |
|
|
1709 | /* first reschedule or stop timer */ |
|
|
1710 | if (w->reschedule_cb) |
|
|
1711 | { |
|
|
1712 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1713 | |
|
|
1714 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1715 | |
|
|
1716 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1717 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1718 | EV_FREQUENT_CHECK; |
|
|
1719 | } |
|
|
1720 | else if (w->interval) |
|
|
1721 | { |
|
|
1722 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1723 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1724 | /* this might happen because of floating point inexactness */ |
|
|
1725 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1726 | { |
|
|
1727 | ev_at (w) += w->interval; |
|
|
1728 | |
|
|
1729 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1730 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1731 | /* has effectively asked to get triggered more often than possible */ |
|
|
1732 | if (ev_at (w) < ev_rt_now) |
|
|
1733 | ev_at (w) = ev_rt_now; |
|
|
1734 | } |
|
|
1735 | |
|
|
1736 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1737 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1738 | } |
|
|
1739 | else |
|
|
1740 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1741 | |
|
|
1742 | EV_FREQUENT_CHECK; |
|
|
1743 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1744 | } |
|
|
1745 | } |
|
|
1746 | |
|
|
1747 | static void noinline |
|
|
1748 | periodics_reschedule (EV_P) |
|
|
1749 | { |
|
|
1750 | int i; |
|
|
1751 | |
|
|
1752 | /* adjust periodics after time jump */ |
|
|
1753 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1754 | { |
|
|
1755 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1756 | |
|
|
1757 | if (w->reschedule_cb) |
|
|
1758 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1759 | else if (w->interval) |
|
|
1760 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1761 | |
|
|
1762 | ANHE_at_cache (periodics [i]); |
|
|
1763 | } |
|
|
1764 | |
|
|
1765 | reheap (periodics, periodiccnt); |
1314 | } |
1766 | } |
1315 | #endif |
1767 | #endif |
1316 | |
1768 | |
1317 | void inline_speed |
1769 | void inline_speed |
1318 | time_update (EV_P_ ev_tstamp max_block) |
1770 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1347 | */ |
1799 | */ |
1348 | for (i = 4; --i; ) |
1800 | for (i = 4; --i; ) |
1349 | { |
1801 | { |
1350 | rtmn_diff = ev_rt_now - mn_now; |
1802 | rtmn_diff = ev_rt_now - mn_now; |
1351 | |
1803 | |
1352 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1804 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1353 | return; /* all is well */ |
1805 | return; /* all is well */ |
1354 | |
1806 | |
1355 | ev_rt_now = ev_time (); |
1807 | ev_rt_now = ev_time (); |
1356 | mn_now = get_clock (); |
1808 | mn_now = get_clock (); |
1357 | now_floor = mn_now; |
1809 | now_floor = mn_now; |
… | |
… | |
1373 | #if EV_PERIODIC_ENABLE |
1825 | #if EV_PERIODIC_ENABLE |
1374 | periodics_reschedule (EV_A); |
1826 | periodics_reschedule (EV_A); |
1375 | #endif |
1827 | #endif |
1376 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1828 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1377 | for (i = 0; i < timercnt; ++i) |
1829 | for (i = 0; i < timercnt; ++i) |
|
|
1830 | { |
|
|
1831 | ANHE *he = timers + i + HEAP0; |
1378 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1832 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1833 | ANHE_at_cache (*he); |
|
|
1834 | } |
1379 | } |
1835 | } |
1380 | |
1836 | |
1381 | mn_now = ev_rt_now; |
1837 | mn_now = ev_rt_now; |
1382 | } |
1838 | } |
1383 | } |
1839 | } |
… | |
… | |
1397 | static int loop_done; |
1853 | static int loop_done; |
1398 | |
1854 | |
1399 | void |
1855 | void |
1400 | ev_loop (EV_P_ int flags) |
1856 | ev_loop (EV_P_ int flags) |
1401 | { |
1857 | { |
1402 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1858 | loop_done = EVUNLOOP_CANCEL; |
1403 | ? EVUNLOOP_ONE |
|
|
1404 | : EVUNLOOP_CANCEL; |
|
|
1405 | |
1859 | |
1406 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1860 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1407 | |
1861 | |
1408 | do |
1862 | do |
1409 | { |
1863 | { |
… | |
… | |
1443 | /* update fd-related kernel structures */ |
1897 | /* update fd-related kernel structures */ |
1444 | fd_reify (EV_A); |
1898 | fd_reify (EV_A); |
1445 | |
1899 | |
1446 | /* calculate blocking time */ |
1900 | /* calculate blocking time */ |
1447 | { |
1901 | { |
1448 | ev_tstamp block; |
1902 | ev_tstamp waittime = 0.; |
|
|
1903 | ev_tstamp sleeptime = 0.; |
1449 | |
1904 | |
1450 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1905 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1451 | block = 0.; /* do not block at all */ |
|
|
1452 | else |
|
|
1453 | { |
1906 | { |
1454 | /* update time to cancel out callback processing overhead */ |
1907 | /* update time to cancel out callback processing overhead */ |
1455 | time_update (EV_A_ 1e100); |
1908 | time_update (EV_A_ 1e100); |
1456 | |
1909 | |
1457 | block = MAX_BLOCKTIME; |
1910 | waittime = MAX_BLOCKTIME; |
1458 | |
1911 | |
1459 | if (timercnt) |
1912 | if (timercnt) |
1460 | { |
1913 | { |
1461 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1914 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1462 | if (block > to) block = to; |
1915 | if (waittime > to) waittime = to; |
1463 | } |
1916 | } |
1464 | |
1917 | |
1465 | #if EV_PERIODIC_ENABLE |
1918 | #if EV_PERIODIC_ENABLE |
1466 | if (periodiccnt) |
1919 | if (periodiccnt) |
1467 | { |
1920 | { |
1468 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1921 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1469 | if (block > to) block = to; |
1922 | if (waittime > to) waittime = to; |
1470 | } |
1923 | } |
1471 | #endif |
1924 | #endif |
1472 | |
1925 | |
1473 | if (expect_false (block < 0.)) block = 0.; |
1926 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1927 | waittime = timeout_blocktime; |
|
|
1928 | |
|
|
1929 | sleeptime = waittime - backend_fudge; |
|
|
1930 | |
|
|
1931 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1932 | sleeptime = io_blocktime; |
|
|
1933 | |
|
|
1934 | if (sleeptime) |
|
|
1935 | { |
|
|
1936 | ev_sleep (sleeptime); |
|
|
1937 | waittime -= sleeptime; |
|
|
1938 | } |
1474 | } |
1939 | } |
1475 | |
1940 | |
1476 | ++loop_count; |
1941 | ++loop_count; |
1477 | backend_poll (EV_A_ block); |
1942 | backend_poll (EV_A_ waittime); |
1478 | |
1943 | |
1479 | /* update ev_rt_now, do magic */ |
1944 | /* update ev_rt_now, do magic */ |
1480 | time_update (EV_A_ block); |
1945 | time_update (EV_A_ waittime + sleeptime); |
1481 | } |
1946 | } |
1482 | |
1947 | |
1483 | /* queue pending timers and reschedule them */ |
1948 | /* queue pending timers and reschedule them */ |
1484 | timers_reify (EV_A); /* relative timers called last */ |
1949 | timers_reify (EV_A); /* relative timers called last */ |
1485 | #if EV_PERIODIC_ENABLE |
1950 | #if EV_PERIODIC_ENABLE |
… | |
… | |
1494 | /* queue check watchers, to be executed first */ |
1959 | /* queue check watchers, to be executed first */ |
1495 | if (expect_false (checkcnt)) |
1960 | if (expect_false (checkcnt)) |
1496 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1961 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1497 | |
1962 | |
1498 | call_pending (EV_A); |
1963 | call_pending (EV_A); |
1499 | |
|
|
1500 | } |
1964 | } |
1501 | while (expect_true (activecnt && !loop_done)); |
1965 | while (expect_true ( |
|
|
1966 | activecnt |
|
|
1967 | && !loop_done |
|
|
1968 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
1969 | )); |
1502 | |
1970 | |
1503 | if (loop_done == EVUNLOOP_ONE) |
1971 | if (loop_done == EVUNLOOP_ONE) |
1504 | loop_done = EVUNLOOP_CANCEL; |
1972 | loop_done = EVUNLOOP_CANCEL; |
1505 | } |
1973 | } |
1506 | |
1974 | |
… | |
… | |
1595 | if (expect_false (ev_is_active (w))) |
2063 | if (expect_false (ev_is_active (w))) |
1596 | return; |
2064 | return; |
1597 | |
2065 | |
1598 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2066 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1599 | |
2067 | |
|
|
2068 | EV_FREQUENT_CHECK; |
|
|
2069 | |
1600 | ev_start (EV_A_ (W)w, 1); |
2070 | ev_start (EV_A_ (W)w, 1); |
1601 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2071 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1602 | wlist_add (&anfds[fd].head, (WL)w); |
2072 | wlist_add (&anfds[fd].head, (WL)w); |
1603 | |
2073 | |
1604 | fd_change (EV_A_ fd); |
2074 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
2075 | w->events &= ~EV_IOFDSET; |
|
|
2076 | |
|
|
2077 | EV_FREQUENT_CHECK; |
1605 | } |
2078 | } |
1606 | |
2079 | |
1607 | void noinline |
2080 | void noinline |
1608 | ev_io_stop (EV_P_ ev_io *w) |
2081 | ev_io_stop (EV_P_ ev_io *w) |
1609 | { |
2082 | { |
1610 | clear_pending (EV_A_ (W)w); |
2083 | clear_pending (EV_A_ (W)w); |
1611 | if (expect_false (!ev_is_active (w))) |
2084 | if (expect_false (!ev_is_active (w))) |
1612 | return; |
2085 | return; |
1613 | |
2086 | |
1614 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2087 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2088 | |
|
|
2089 | EV_FREQUENT_CHECK; |
1615 | |
2090 | |
1616 | wlist_del (&anfds[w->fd].head, (WL)w); |
2091 | wlist_del (&anfds[w->fd].head, (WL)w); |
1617 | ev_stop (EV_A_ (W)w); |
2092 | ev_stop (EV_A_ (W)w); |
1618 | |
2093 | |
1619 | fd_change (EV_A_ w->fd); |
2094 | fd_change (EV_A_ w->fd, 1); |
|
|
2095 | |
|
|
2096 | EV_FREQUENT_CHECK; |
1620 | } |
2097 | } |
1621 | |
2098 | |
1622 | void noinline |
2099 | void noinline |
1623 | ev_timer_start (EV_P_ ev_timer *w) |
2100 | ev_timer_start (EV_P_ ev_timer *w) |
1624 | { |
2101 | { |
1625 | if (expect_false (ev_is_active (w))) |
2102 | if (expect_false (ev_is_active (w))) |
1626 | return; |
2103 | return; |
1627 | |
2104 | |
1628 | ((WT)w)->at += mn_now; |
2105 | ev_at (w) += mn_now; |
1629 | |
2106 | |
1630 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2107 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1631 | |
2108 | |
|
|
2109 | EV_FREQUENT_CHECK; |
|
|
2110 | |
|
|
2111 | ++timercnt; |
1632 | ev_start (EV_A_ (W)w, ++timercnt); |
2112 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1633 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2113 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1634 | timers [timercnt - 1] = (WT)w; |
2114 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1635 | upheap (timers, timercnt - 1); |
2115 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2116 | upheap (timers, ev_active (w)); |
1636 | |
2117 | |
|
|
2118 | EV_FREQUENT_CHECK; |
|
|
2119 | |
1637 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2120 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1638 | } |
2121 | } |
1639 | |
2122 | |
1640 | void noinline |
2123 | void noinline |
1641 | ev_timer_stop (EV_P_ ev_timer *w) |
2124 | ev_timer_stop (EV_P_ ev_timer *w) |
1642 | { |
2125 | { |
1643 | clear_pending (EV_A_ (W)w); |
2126 | clear_pending (EV_A_ (W)w); |
1644 | if (expect_false (!ev_is_active (w))) |
2127 | if (expect_false (!ev_is_active (w))) |
1645 | return; |
2128 | return; |
1646 | |
2129 | |
1647 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2130 | EV_FREQUENT_CHECK; |
1648 | |
2131 | |
1649 | { |
2132 | { |
1650 | int active = ((W)w)->active; |
2133 | int active = ev_active (w); |
1651 | |
2134 | |
|
|
2135 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2136 | |
|
|
2137 | --timercnt; |
|
|
2138 | |
1652 | if (expect_true (--active < --timercnt)) |
2139 | if (expect_true (active < timercnt + HEAP0)) |
1653 | { |
2140 | { |
1654 | timers [active] = timers [timercnt]; |
2141 | timers [active] = timers [timercnt + HEAP0]; |
1655 | adjustheap (timers, timercnt, active); |
2142 | adjustheap (timers, timercnt, active); |
1656 | } |
2143 | } |
1657 | } |
2144 | } |
1658 | |
2145 | |
1659 | ((WT)w)->at -= mn_now; |
2146 | EV_FREQUENT_CHECK; |
|
|
2147 | |
|
|
2148 | ev_at (w) -= mn_now; |
1660 | |
2149 | |
1661 | ev_stop (EV_A_ (W)w); |
2150 | ev_stop (EV_A_ (W)w); |
1662 | } |
2151 | } |
1663 | |
2152 | |
1664 | void noinline |
2153 | void noinline |
1665 | ev_timer_again (EV_P_ ev_timer *w) |
2154 | ev_timer_again (EV_P_ ev_timer *w) |
1666 | { |
2155 | { |
|
|
2156 | EV_FREQUENT_CHECK; |
|
|
2157 | |
1667 | if (ev_is_active (w)) |
2158 | if (ev_is_active (w)) |
1668 | { |
2159 | { |
1669 | if (w->repeat) |
2160 | if (w->repeat) |
1670 | { |
2161 | { |
1671 | ((WT)w)->at = mn_now + w->repeat; |
2162 | ev_at (w) = mn_now + w->repeat; |
|
|
2163 | ANHE_at_cache (timers [ev_active (w)]); |
1672 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2164 | adjustheap (timers, timercnt, ev_active (w)); |
1673 | } |
2165 | } |
1674 | else |
2166 | else |
1675 | ev_timer_stop (EV_A_ w); |
2167 | ev_timer_stop (EV_A_ w); |
1676 | } |
2168 | } |
1677 | else if (w->repeat) |
2169 | else if (w->repeat) |
1678 | { |
2170 | { |
1679 | w->at = w->repeat; |
2171 | ev_at (w) = w->repeat; |
1680 | ev_timer_start (EV_A_ w); |
2172 | ev_timer_start (EV_A_ w); |
1681 | } |
2173 | } |
|
|
2174 | |
|
|
2175 | EV_FREQUENT_CHECK; |
1682 | } |
2176 | } |
1683 | |
2177 | |
1684 | #if EV_PERIODIC_ENABLE |
2178 | #if EV_PERIODIC_ENABLE |
1685 | void noinline |
2179 | void noinline |
1686 | ev_periodic_start (EV_P_ ev_periodic *w) |
2180 | ev_periodic_start (EV_P_ ev_periodic *w) |
1687 | { |
2181 | { |
1688 | if (expect_false (ev_is_active (w))) |
2182 | if (expect_false (ev_is_active (w))) |
1689 | return; |
2183 | return; |
1690 | |
2184 | |
1691 | if (w->reschedule_cb) |
2185 | if (w->reschedule_cb) |
1692 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2186 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1693 | else if (w->interval) |
2187 | else if (w->interval) |
1694 | { |
2188 | { |
1695 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2189 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1696 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2190 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1697 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2191 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1698 | } |
2192 | } |
1699 | else |
2193 | else |
1700 | ((WT)w)->at = w->offset; |
2194 | ev_at (w) = w->offset; |
1701 | |
2195 | |
|
|
2196 | EV_FREQUENT_CHECK; |
|
|
2197 | |
|
|
2198 | ++periodiccnt; |
1702 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2199 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1703 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2200 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1704 | periodics [periodiccnt - 1] = (WT)w; |
2201 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1705 | upheap (periodics, periodiccnt - 1); |
2202 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2203 | upheap (periodics, ev_active (w)); |
1706 | |
2204 | |
|
|
2205 | EV_FREQUENT_CHECK; |
|
|
2206 | |
1707 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2207 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1708 | } |
2208 | } |
1709 | |
2209 | |
1710 | void noinline |
2210 | void noinline |
1711 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2211 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1712 | { |
2212 | { |
1713 | clear_pending (EV_A_ (W)w); |
2213 | clear_pending (EV_A_ (W)w); |
1714 | if (expect_false (!ev_is_active (w))) |
2214 | if (expect_false (!ev_is_active (w))) |
1715 | return; |
2215 | return; |
1716 | |
2216 | |
1717 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2217 | EV_FREQUENT_CHECK; |
1718 | |
2218 | |
1719 | { |
2219 | { |
1720 | int active = ((W)w)->active; |
2220 | int active = ev_active (w); |
1721 | |
2221 | |
|
|
2222 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2223 | |
|
|
2224 | --periodiccnt; |
|
|
2225 | |
1722 | if (expect_true (--active < --periodiccnt)) |
2226 | if (expect_true (active < periodiccnt + HEAP0)) |
1723 | { |
2227 | { |
1724 | periodics [active] = periodics [periodiccnt]; |
2228 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1725 | adjustheap (periodics, periodiccnt, active); |
2229 | adjustheap (periodics, periodiccnt, active); |
1726 | } |
2230 | } |
1727 | } |
2231 | } |
1728 | |
2232 | |
|
|
2233 | EV_FREQUENT_CHECK; |
|
|
2234 | |
1729 | ev_stop (EV_A_ (W)w); |
2235 | ev_stop (EV_A_ (W)w); |
1730 | } |
2236 | } |
1731 | |
2237 | |
1732 | void noinline |
2238 | void noinline |
1733 | ev_periodic_again (EV_P_ ev_periodic *w) |
2239 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1750 | #endif |
2256 | #endif |
1751 | if (expect_false (ev_is_active (w))) |
2257 | if (expect_false (ev_is_active (w))) |
1752 | return; |
2258 | return; |
1753 | |
2259 | |
1754 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2260 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
|
|
2261 | |
|
|
2262 | evpipe_init (EV_A); |
|
|
2263 | |
|
|
2264 | EV_FREQUENT_CHECK; |
1755 | |
2265 | |
1756 | { |
2266 | { |
1757 | #ifndef _WIN32 |
2267 | #ifndef _WIN32 |
1758 | sigset_t full, prev; |
2268 | sigset_t full, prev; |
1759 | sigfillset (&full); |
2269 | sigfillset (&full); |
… | |
… | |
1771 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2281 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1772 | |
2282 | |
1773 | if (!((WL)w)->next) |
2283 | if (!((WL)w)->next) |
1774 | { |
2284 | { |
1775 | #if _WIN32 |
2285 | #if _WIN32 |
1776 | signal (w->signum, sighandler); |
2286 | signal (w->signum, ev_sighandler); |
1777 | #else |
2287 | #else |
1778 | struct sigaction sa; |
2288 | struct sigaction sa; |
1779 | sa.sa_handler = sighandler; |
2289 | sa.sa_handler = ev_sighandler; |
1780 | sigfillset (&sa.sa_mask); |
2290 | sigfillset (&sa.sa_mask); |
1781 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2291 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1782 | sigaction (w->signum, &sa, 0); |
2292 | sigaction (w->signum, &sa, 0); |
1783 | #endif |
2293 | #endif |
1784 | } |
2294 | } |
|
|
2295 | |
|
|
2296 | EV_FREQUENT_CHECK; |
1785 | } |
2297 | } |
1786 | |
2298 | |
1787 | void noinline |
2299 | void noinline |
1788 | ev_signal_stop (EV_P_ ev_signal *w) |
2300 | ev_signal_stop (EV_P_ ev_signal *w) |
1789 | { |
2301 | { |
1790 | clear_pending (EV_A_ (W)w); |
2302 | clear_pending (EV_A_ (W)w); |
1791 | if (expect_false (!ev_is_active (w))) |
2303 | if (expect_false (!ev_is_active (w))) |
1792 | return; |
2304 | return; |
1793 | |
2305 | |
|
|
2306 | EV_FREQUENT_CHECK; |
|
|
2307 | |
1794 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2308 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1795 | ev_stop (EV_A_ (W)w); |
2309 | ev_stop (EV_A_ (W)w); |
1796 | |
2310 | |
1797 | if (!signals [w->signum - 1].head) |
2311 | if (!signals [w->signum - 1].head) |
1798 | signal (w->signum, SIG_DFL); |
2312 | signal (w->signum, SIG_DFL); |
|
|
2313 | |
|
|
2314 | EV_FREQUENT_CHECK; |
1799 | } |
2315 | } |
1800 | |
2316 | |
1801 | void |
2317 | void |
1802 | ev_child_start (EV_P_ ev_child *w) |
2318 | ev_child_start (EV_P_ ev_child *w) |
1803 | { |
2319 | { |
… | |
… | |
1805 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2321 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1806 | #endif |
2322 | #endif |
1807 | if (expect_false (ev_is_active (w))) |
2323 | if (expect_false (ev_is_active (w))) |
1808 | return; |
2324 | return; |
1809 | |
2325 | |
|
|
2326 | EV_FREQUENT_CHECK; |
|
|
2327 | |
1810 | ev_start (EV_A_ (W)w, 1); |
2328 | ev_start (EV_A_ (W)w, 1); |
1811 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2329 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2330 | |
|
|
2331 | EV_FREQUENT_CHECK; |
1812 | } |
2332 | } |
1813 | |
2333 | |
1814 | void |
2334 | void |
1815 | ev_child_stop (EV_P_ ev_child *w) |
2335 | ev_child_stop (EV_P_ ev_child *w) |
1816 | { |
2336 | { |
1817 | clear_pending (EV_A_ (W)w); |
2337 | clear_pending (EV_A_ (W)w); |
1818 | if (expect_false (!ev_is_active (w))) |
2338 | if (expect_false (!ev_is_active (w))) |
1819 | return; |
2339 | return; |
1820 | |
2340 | |
|
|
2341 | EV_FREQUENT_CHECK; |
|
|
2342 | |
1821 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2343 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1822 | ev_stop (EV_A_ (W)w); |
2344 | ev_stop (EV_A_ (W)w); |
|
|
2345 | |
|
|
2346 | EV_FREQUENT_CHECK; |
1823 | } |
2347 | } |
1824 | |
2348 | |
1825 | #if EV_STAT_ENABLE |
2349 | #if EV_STAT_ENABLE |
1826 | |
2350 | |
1827 | # ifdef _WIN32 |
2351 | # ifdef _WIN32 |
… | |
… | |
1845 | if (w->wd < 0) |
2369 | if (w->wd < 0) |
1846 | { |
2370 | { |
1847 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2371 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
1848 | |
2372 | |
1849 | /* monitor some parent directory for speedup hints */ |
2373 | /* monitor some parent directory for speedup hints */ |
|
|
2374 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
|
|
2375 | /* but an efficiency issue only */ |
1850 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2376 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
1851 | { |
2377 | { |
1852 | char path [4096]; |
2378 | char path [4096]; |
1853 | strcpy (path, w->path); |
2379 | strcpy (path, w->path); |
1854 | |
2380 | |
… | |
… | |
2053 | else |
2579 | else |
2054 | #endif |
2580 | #endif |
2055 | ev_timer_start (EV_A_ &w->timer); |
2581 | ev_timer_start (EV_A_ &w->timer); |
2056 | |
2582 | |
2057 | ev_start (EV_A_ (W)w, 1); |
2583 | ev_start (EV_A_ (W)w, 1); |
|
|
2584 | |
|
|
2585 | EV_FREQUENT_CHECK; |
2058 | } |
2586 | } |
2059 | |
2587 | |
2060 | void |
2588 | void |
2061 | ev_stat_stop (EV_P_ ev_stat *w) |
2589 | ev_stat_stop (EV_P_ ev_stat *w) |
2062 | { |
2590 | { |
2063 | clear_pending (EV_A_ (W)w); |
2591 | clear_pending (EV_A_ (W)w); |
2064 | if (expect_false (!ev_is_active (w))) |
2592 | if (expect_false (!ev_is_active (w))) |
2065 | return; |
2593 | return; |
2066 | |
2594 | |
|
|
2595 | EV_FREQUENT_CHECK; |
|
|
2596 | |
2067 | #if EV_USE_INOTIFY |
2597 | #if EV_USE_INOTIFY |
2068 | infy_del (EV_A_ w); |
2598 | infy_del (EV_A_ w); |
2069 | #endif |
2599 | #endif |
2070 | ev_timer_stop (EV_A_ &w->timer); |
2600 | ev_timer_stop (EV_A_ &w->timer); |
2071 | |
2601 | |
2072 | ev_stop (EV_A_ (W)w); |
2602 | ev_stop (EV_A_ (W)w); |
|
|
2603 | |
|
|
2604 | EV_FREQUENT_CHECK; |
2073 | } |
2605 | } |
2074 | #endif |
2606 | #endif |
2075 | |
2607 | |
2076 | #if EV_IDLE_ENABLE |
2608 | #if EV_IDLE_ENABLE |
2077 | void |
2609 | void |
… | |
… | |
2079 | { |
2611 | { |
2080 | if (expect_false (ev_is_active (w))) |
2612 | if (expect_false (ev_is_active (w))) |
2081 | return; |
2613 | return; |
2082 | |
2614 | |
2083 | pri_adjust (EV_A_ (W)w); |
2615 | pri_adjust (EV_A_ (W)w); |
|
|
2616 | |
|
|
2617 | EV_FREQUENT_CHECK; |
2084 | |
2618 | |
2085 | { |
2619 | { |
2086 | int active = ++idlecnt [ABSPRI (w)]; |
2620 | int active = ++idlecnt [ABSPRI (w)]; |
2087 | |
2621 | |
2088 | ++idleall; |
2622 | ++idleall; |
2089 | ev_start (EV_A_ (W)w, active); |
2623 | ev_start (EV_A_ (W)w, active); |
2090 | |
2624 | |
2091 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2625 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2092 | idles [ABSPRI (w)][active - 1] = w; |
2626 | idles [ABSPRI (w)][active - 1] = w; |
2093 | } |
2627 | } |
|
|
2628 | |
|
|
2629 | EV_FREQUENT_CHECK; |
2094 | } |
2630 | } |
2095 | |
2631 | |
2096 | void |
2632 | void |
2097 | ev_idle_stop (EV_P_ ev_idle *w) |
2633 | ev_idle_stop (EV_P_ ev_idle *w) |
2098 | { |
2634 | { |
2099 | clear_pending (EV_A_ (W)w); |
2635 | clear_pending (EV_A_ (W)w); |
2100 | if (expect_false (!ev_is_active (w))) |
2636 | if (expect_false (!ev_is_active (w))) |
2101 | return; |
2637 | return; |
2102 | |
2638 | |
|
|
2639 | EV_FREQUENT_CHECK; |
|
|
2640 | |
2103 | { |
2641 | { |
2104 | int active = ((W)w)->active; |
2642 | int active = ev_active (w); |
2105 | |
2643 | |
2106 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2644 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2107 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2645 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2108 | |
2646 | |
2109 | ev_stop (EV_A_ (W)w); |
2647 | ev_stop (EV_A_ (W)w); |
2110 | --idleall; |
2648 | --idleall; |
2111 | } |
2649 | } |
|
|
2650 | |
|
|
2651 | EV_FREQUENT_CHECK; |
2112 | } |
2652 | } |
2113 | #endif |
2653 | #endif |
2114 | |
2654 | |
2115 | void |
2655 | void |
2116 | ev_prepare_start (EV_P_ ev_prepare *w) |
2656 | ev_prepare_start (EV_P_ ev_prepare *w) |
2117 | { |
2657 | { |
2118 | if (expect_false (ev_is_active (w))) |
2658 | if (expect_false (ev_is_active (w))) |
2119 | return; |
2659 | return; |
|
|
2660 | |
|
|
2661 | EV_FREQUENT_CHECK; |
2120 | |
2662 | |
2121 | ev_start (EV_A_ (W)w, ++preparecnt); |
2663 | ev_start (EV_A_ (W)w, ++preparecnt); |
2122 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2664 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2123 | prepares [preparecnt - 1] = w; |
2665 | prepares [preparecnt - 1] = w; |
|
|
2666 | |
|
|
2667 | EV_FREQUENT_CHECK; |
2124 | } |
2668 | } |
2125 | |
2669 | |
2126 | void |
2670 | void |
2127 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2671 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2128 | { |
2672 | { |
2129 | clear_pending (EV_A_ (W)w); |
2673 | clear_pending (EV_A_ (W)w); |
2130 | if (expect_false (!ev_is_active (w))) |
2674 | if (expect_false (!ev_is_active (w))) |
2131 | return; |
2675 | return; |
2132 | |
2676 | |
|
|
2677 | EV_FREQUENT_CHECK; |
|
|
2678 | |
2133 | { |
2679 | { |
2134 | int active = ((W)w)->active; |
2680 | int active = ev_active (w); |
|
|
2681 | |
2135 | prepares [active - 1] = prepares [--preparecnt]; |
2682 | prepares [active - 1] = prepares [--preparecnt]; |
2136 | ((W)prepares [active - 1])->active = active; |
2683 | ev_active (prepares [active - 1]) = active; |
2137 | } |
2684 | } |
2138 | |
2685 | |
2139 | ev_stop (EV_A_ (W)w); |
2686 | ev_stop (EV_A_ (W)w); |
|
|
2687 | |
|
|
2688 | EV_FREQUENT_CHECK; |
2140 | } |
2689 | } |
2141 | |
2690 | |
2142 | void |
2691 | void |
2143 | ev_check_start (EV_P_ ev_check *w) |
2692 | ev_check_start (EV_P_ ev_check *w) |
2144 | { |
2693 | { |
2145 | if (expect_false (ev_is_active (w))) |
2694 | if (expect_false (ev_is_active (w))) |
2146 | return; |
2695 | return; |
|
|
2696 | |
|
|
2697 | EV_FREQUENT_CHECK; |
2147 | |
2698 | |
2148 | ev_start (EV_A_ (W)w, ++checkcnt); |
2699 | ev_start (EV_A_ (W)w, ++checkcnt); |
2149 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2700 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2150 | checks [checkcnt - 1] = w; |
2701 | checks [checkcnt - 1] = w; |
|
|
2702 | |
|
|
2703 | EV_FREQUENT_CHECK; |
2151 | } |
2704 | } |
2152 | |
2705 | |
2153 | void |
2706 | void |
2154 | ev_check_stop (EV_P_ ev_check *w) |
2707 | ev_check_stop (EV_P_ ev_check *w) |
2155 | { |
2708 | { |
2156 | clear_pending (EV_A_ (W)w); |
2709 | clear_pending (EV_A_ (W)w); |
2157 | if (expect_false (!ev_is_active (w))) |
2710 | if (expect_false (!ev_is_active (w))) |
2158 | return; |
2711 | return; |
2159 | |
2712 | |
|
|
2713 | EV_FREQUENT_CHECK; |
|
|
2714 | |
2160 | { |
2715 | { |
2161 | int active = ((W)w)->active; |
2716 | int active = ev_active (w); |
|
|
2717 | |
2162 | checks [active - 1] = checks [--checkcnt]; |
2718 | checks [active - 1] = checks [--checkcnt]; |
2163 | ((W)checks [active - 1])->active = active; |
2719 | ev_active (checks [active - 1]) = active; |
2164 | } |
2720 | } |
2165 | |
2721 | |
2166 | ev_stop (EV_A_ (W)w); |
2722 | ev_stop (EV_A_ (W)w); |
|
|
2723 | |
|
|
2724 | EV_FREQUENT_CHECK; |
2167 | } |
2725 | } |
2168 | |
2726 | |
2169 | #if EV_EMBED_ENABLE |
2727 | #if EV_EMBED_ENABLE |
2170 | void noinline |
2728 | void noinline |
2171 | ev_embed_sweep (EV_P_ ev_embed *w) |
2729 | ev_embed_sweep (EV_P_ ev_embed *w) |
2172 | { |
2730 | { |
2173 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2731 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2174 | } |
2732 | } |
2175 | |
2733 | |
2176 | static void |
2734 | static void |
2177 | embed_cb (EV_P_ ev_io *io, int revents) |
2735 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2178 | { |
2736 | { |
2179 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2737 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2180 | |
2738 | |
2181 | if (ev_cb (w)) |
2739 | if (ev_cb (w)) |
2182 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2740 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2183 | else |
2741 | else |
2184 | ev_embed_sweep (loop, w); |
2742 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2185 | } |
2743 | } |
|
|
2744 | |
|
|
2745 | static void |
|
|
2746 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2747 | { |
|
|
2748 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2749 | |
|
|
2750 | { |
|
|
2751 | struct ev_loop *loop = w->other; |
|
|
2752 | |
|
|
2753 | while (fdchangecnt) |
|
|
2754 | { |
|
|
2755 | fd_reify (EV_A); |
|
|
2756 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2757 | } |
|
|
2758 | } |
|
|
2759 | } |
|
|
2760 | |
|
|
2761 | #if 0 |
|
|
2762 | static void |
|
|
2763 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
2764 | { |
|
|
2765 | ev_idle_stop (EV_A_ idle); |
|
|
2766 | } |
|
|
2767 | #endif |
2186 | |
2768 | |
2187 | void |
2769 | void |
2188 | ev_embed_start (EV_P_ ev_embed *w) |
2770 | ev_embed_start (EV_P_ ev_embed *w) |
2189 | { |
2771 | { |
2190 | if (expect_false (ev_is_active (w))) |
2772 | if (expect_false (ev_is_active (w))) |
2191 | return; |
2773 | return; |
2192 | |
2774 | |
2193 | { |
2775 | { |
2194 | struct ev_loop *loop = w->loop; |
2776 | struct ev_loop *loop = w->other; |
2195 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2777 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2196 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2778 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2197 | } |
2779 | } |
|
|
2780 | |
|
|
2781 | EV_FREQUENT_CHECK; |
2198 | |
2782 | |
2199 | ev_set_priority (&w->io, ev_priority (w)); |
2783 | ev_set_priority (&w->io, ev_priority (w)); |
2200 | ev_io_start (EV_A_ &w->io); |
2784 | ev_io_start (EV_A_ &w->io); |
2201 | |
2785 | |
|
|
2786 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2787 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2788 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2789 | |
|
|
2790 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
2791 | |
2202 | ev_start (EV_A_ (W)w, 1); |
2792 | ev_start (EV_A_ (W)w, 1); |
|
|
2793 | |
|
|
2794 | EV_FREQUENT_CHECK; |
2203 | } |
2795 | } |
2204 | |
2796 | |
2205 | void |
2797 | void |
2206 | ev_embed_stop (EV_P_ ev_embed *w) |
2798 | ev_embed_stop (EV_P_ ev_embed *w) |
2207 | { |
2799 | { |
2208 | clear_pending (EV_A_ (W)w); |
2800 | clear_pending (EV_A_ (W)w); |
2209 | if (expect_false (!ev_is_active (w))) |
2801 | if (expect_false (!ev_is_active (w))) |
2210 | return; |
2802 | return; |
2211 | |
2803 | |
|
|
2804 | EV_FREQUENT_CHECK; |
|
|
2805 | |
2212 | ev_io_stop (EV_A_ &w->io); |
2806 | ev_io_stop (EV_A_ &w->io); |
|
|
2807 | ev_prepare_stop (EV_A_ &w->prepare); |
2213 | |
2808 | |
2214 | ev_stop (EV_A_ (W)w); |
2809 | ev_stop (EV_A_ (W)w); |
|
|
2810 | |
|
|
2811 | EV_FREQUENT_CHECK; |
2215 | } |
2812 | } |
2216 | #endif |
2813 | #endif |
2217 | |
2814 | |
2218 | #if EV_FORK_ENABLE |
2815 | #if EV_FORK_ENABLE |
2219 | void |
2816 | void |
2220 | ev_fork_start (EV_P_ ev_fork *w) |
2817 | ev_fork_start (EV_P_ ev_fork *w) |
2221 | { |
2818 | { |
2222 | if (expect_false (ev_is_active (w))) |
2819 | if (expect_false (ev_is_active (w))) |
2223 | return; |
2820 | return; |
|
|
2821 | |
|
|
2822 | EV_FREQUENT_CHECK; |
2224 | |
2823 | |
2225 | ev_start (EV_A_ (W)w, ++forkcnt); |
2824 | ev_start (EV_A_ (W)w, ++forkcnt); |
2226 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2825 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2227 | forks [forkcnt - 1] = w; |
2826 | forks [forkcnt - 1] = w; |
|
|
2827 | |
|
|
2828 | EV_FREQUENT_CHECK; |
2228 | } |
2829 | } |
2229 | |
2830 | |
2230 | void |
2831 | void |
2231 | ev_fork_stop (EV_P_ ev_fork *w) |
2832 | ev_fork_stop (EV_P_ ev_fork *w) |
2232 | { |
2833 | { |
2233 | clear_pending (EV_A_ (W)w); |
2834 | clear_pending (EV_A_ (W)w); |
2234 | if (expect_false (!ev_is_active (w))) |
2835 | if (expect_false (!ev_is_active (w))) |
2235 | return; |
2836 | return; |
2236 | |
2837 | |
|
|
2838 | EV_FREQUENT_CHECK; |
|
|
2839 | |
2237 | { |
2840 | { |
2238 | int active = ((W)w)->active; |
2841 | int active = ev_active (w); |
|
|
2842 | |
2239 | forks [active - 1] = forks [--forkcnt]; |
2843 | forks [active - 1] = forks [--forkcnt]; |
2240 | ((W)forks [active - 1])->active = active; |
2844 | ev_active (forks [active - 1]) = active; |
2241 | } |
2845 | } |
2242 | |
2846 | |
2243 | ev_stop (EV_A_ (W)w); |
2847 | ev_stop (EV_A_ (W)w); |
|
|
2848 | |
|
|
2849 | EV_FREQUENT_CHECK; |
|
|
2850 | } |
|
|
2851 | #endif |
|
|
2852 | |
|
|
2853 | #if EV_ASYNC_ENABLE |
|
|
2854 | void |
|
|
2855 | ev_async_start (EV_P_ ev_async *w) |
|
|
2856 | { |
|
|
2857 | if (expect_false (ev_is_active (w))) |
|
|
2858 | return; |
|
|
2859 | |
|
|
2860 | evpipe_init (EV_A); |
|
|
2861 | |
|
|
2862 | EV_FREQUENT_CHECK; |
|
|
2863 | |
|
|
2864 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
2865 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
2866 | asyncs [asynccnt - 1] = w; |
|
|
2867 | |
|
|
2868 | EV_FREQUENT_CHECK; |
|
|
2869 | } |
|
|
2870 | |
|
|
2871 | void |
|
|
2872 | ev_async_stop (EV_P_ ev_async *w) |
|
|
2873 | { |
|
|
2874 | clear_pending (EV_A_ (W)w); |
|
|
2875 | if (expect_false (!ev_is_active (w))) |
|
|
2876 | return; |
|
|
2877 | |
|
|
2878 | EV_FREQUENT_CHECK; |
|
|
2879 | |
|
|
2880 | { |
|
|
2881 | int active = ev_active (w); |
|
|
2882 | |
|
|
2883 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
2884 | ev_active (asyncs [active - 1]) = active; |
|
|
2885 | } |
|
|
2886 | |
|
|
2887 | ev_stop (EV_A_ (W)w); |
|
|
2888 | |
|
|
2889 | EV_FREQUENT_CHECK; |
|
|
2890 | } |
|
|
2891 | |
|
|
2892 | void |
|
|
2893 | ev_async_send (EV_P_ ev_async *w) |
|
|
2894 | { |
|
|
2895 | w->sent = 1; |
|
|
2896 | evpipe_write (EV_A_ &gotasync); |
2244 | } |
2897 | } |
2245 | #endif |
2898 | #endif |
2246 | |
2899 | |
2247 | /*****************************************************************************/ |
2900 | /*****************************************************************************/ |
2248 | |
2901 | |
… | |
… | |
2306 | ev_timer_set (&once->to, timeout, 0.); |
2959 | ev_timer_set (&once->to, timeout, 0.); |
2307 | ev_timer_start (EV_A_ &once->to); |
2960 | ev_timer_start (EV_A_ &once->to); |
2308 | } |
2961 | } |
2309 | } |
2962 | } |
2310 | |
2963 | |
|
|
2964 | #if EV_MULTIPLICITY |
|
|
2965 | #include "ev_wrap.h" |
|
|
2966 | #endif |
|
|
2967 | |
2311 | #ifdef __cplusplus |
2968 | #ifdef __cplusplus |
2312 | } |
2969 | } |
2313 | #endif |
2970 | #endif |
2314 | |
2971 | |