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) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
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" |
41 | # endif |
50 | # endif |
42 | |
51 | |
|
|
52 | # if HAVE_CLOCK_SYSCALL |
|
|
53 | # ifndef EV_USE_CLOCK_SYSCALL |
|
|
54 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
55 | # ifndef EV_USE_REALTIME |
|
|
56 | # define EV_USE_REALTIME 0 |
|
|
57 | # endif |
|
|
58 | # ifndef EV_USE_MONOTONIC |
|
|
59 | # define EV_USE_MONOTONIC 1 |
|
|
60 | # endif |
|
|
61 | # endif |
|
|
62 | # endif |
|
|
63 | |
43 | # if HAVE_CLOCK_GETTIME |
64 | # if HAVE_CLOCK_GETTIME |
44 | # ifndef EV_USE_MONOTONIC |
65 | # ifndef EV_USE_MONOTONIC |
45 | # define EV_USE_MONOTONIC 1 |
66 | # define EV_USE_MONOTONIC 1 |
46 | # endif |
67 | # endif |
47 | # ifndef EV_USE_REALTIME |
68 | # ifndef EV_USE_REALTIME |
48 | # define EV_USE_REALTIME 1 |
69 | # define EV_USE_REALTIME 0 |
49 | # endif |
70 | # endif |
50 | # else |
71 | # else |
51 | # ifndef EV_USE_MONOTONIC |
72 | # ifndef EV_USE_MONOTONIC |
52 | # define EV_USE_MONOTONIC 0 |
73 | # define EV_USE_MONOTONIC 0 |
53 | # endif |
74 | # endif |
54 | # ifndef EV_USE_REALTIME |
75 | # ifndef EV_USE_REALTIME |
55 | # define EV_USE_REALTIME 0 |
76 | # define EV_USE_REALTIME 0 |
|
|
77 | # endif |
|
|
78 | # endif |
|
|
79 | |
|
|
80 | # ifndef EV_USE_NANOSLEEP |
|
|
81 | # if HAVE_NANOSLEEP |
|
|
82 | # define EV_USE_NANOSLEEP 1 |
|
|
83 | # else |
|
|
84 | # define EV_USE_NANOSLEEP 0 |
56 | # endif |
85 | # endif |
57 | # endif |
86 | # endif |
58 | |
87 | |
59 | # ifndef EV_USE_SELECT |
88 | # ifndef EV_USE_SELECT |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
89 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
… | |
… | |
102 | # else |
131 | # else |
103 | # define EV_USE_INOTIFY 0 |
132 | # define EV_USE_INOTIFY 0 |
104 | # endif |
133 | # endif |
105 | # endif |
134 | # endif |
106 | |
135 | |
|
|
136 | # ifndef EV_USE_EVENTFD |
|
|
137 | # if HAVE_EVENTFD |
|
|
138 | # define EV_USE_EVENTFD 1 |
|
|
139 | # else |
|
|
140 | # define EV_USE_EVENTFD 0 |
|
|
141 | # endif |
|
|
142 | # endif |
|
|
143 | |
107 | #endif |
144 | #endif |
108 | |
145 | |
109 | #include <math.h> |
146 | #include <math.h> |
110 | #include <stdlib.h> |
147 | #include <stdlib.h> |
111 | #include <fcntl.h> |
148 | #include <fcntl.h> |
… | |
… | |
129 | #ifndef _WIN32 |
166 | #ifndef _WIN32 |
130 | # include <sys/time.h> |
167 | # include <sys/time.h> |
131 | # include <sys/wait.h> |
168 | # include <sys/wait.h> |
132 | # include <unistd.h> |
169 | # include <unistd.h> |
133 | #else |
170 | #else |
|
|
171 | # include <io.h> |
134 | # define WIN32_LEAN_AND_MEAN |
172 | # define WIN32_LEAN_AND_MEAN |
135 | # include <windows.h> |
173 | # include <windows.h> |
136 | # ifndef EV_SELECT_IS_WINSOCKET |
174 | # ifndef EV_SELECT_IS_WINSOCKET |
137 | # define EV_SELECT_IS_WINSOCKET 1 |
175 | # define EV_SELECT_IS_WINSOCKET 1 |
138 | # endif |
176 | # endif |
139 | #endif |
177 | #endif |
140 | |
178 | |
141 | /**/ |
179 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
|
|
180 | |
|
|
181 | #ifndef EV_USE_CLOCK_SYSCALL |
|
|
182 | # if __linux && __GLIBC__ >= 2 |
|
|
183 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
184 | # else |
|
|
185 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
186 | # endif |
|
|
187 | #endif |
142 | |
188 | |
143 | #ifndef EV_USE_MONOTONIC |
189 | #ifndef EV_USE_MONOTONIC |
|
|
190 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
|
|
191 | # define EV_USE_MONOTONIC 1 |
|
|
192 | # else |
144 | # define EV_USE_MONOTONIC 0 |
193 | # define EV_USE_MONOTONIC 0 |
|
|
194 | # endif |
145 | #endif |
195 | #endif |
146 | |
196 | |
147 | #ifndef EV_USE_REALTIME |
197 | #ifndef EV_USE_REALTIME |
148 | # define EV_USE_REALTIME 0 |
198 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
|
|
199 | #endif |
|
|
200 | |
|
|
201 | #ifndef EV_USE_NANOSLEEP |
|
|
202 | # if _POSIX_C_SOURCE >= 199309L |
|
|
203 | # define EV_USE_NANOSLEEP 1 |
|
|
204 | # else |
|
|
205 | # define EV_USE_NANOSLEEP 0 |
|
|
206 | # endif |
149 | #endif |
207 | #endif |
150 | |
208 | |
151 | #ifndef EV_USE_SELECT |
209 | #ifndef EV_USE_SELECT |
152 | # define EV_USE_SELECT 1 |
210 | # define EV_USE_SELECT 1 |
153 | #endif |
211 | #endif |
… | |
… | |
159 | # define EV_USE_POLL 1 |
217 | # define EV_USE_POLL 1 |
160 | # endif |
218 | # endif |
161 | #endif |
219 | #endif |
162 | |
220 | |
163 | #ifndef EV_USE_EPOLL |
221 | #ifndef EV_USE_EPOLL |
|
|
222 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
223 | # define EV_USE_EPOLL 1 |
|
|
224 | # else |
164 | # define EV_USE_EPOLL 0 |
225 | # define EV_USE_EPOLL 0 |
|
|
226 | # endif |
165 | #endif |
227 | #endif |
166 | |
228 | |
167 | #ifndef EV_USE_KQUEUE |
229 | #ifndef EV_USE_KQUEUE |
168 | # define EV_USE_KQUEUE 0 |
230 | # define EV_USE_KQUEUE 0 |
169 | #endif |
231 | #endif |
… | |
… | |
171 | #ifndef EV_USE_PORT |
233 | #ifndef EV_USE_PORT |
172 | # define EV_USE_PORT 0 |
234 | # define EV_USE_PORT 0 |
173 | #endif |
235 | #endif |
174 | |
236 | |
175 | #ifndef EV_USE_INOTIFY |
237 | #ifndef EV_USE_INOTIFY |
|
|
238 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
239 | # define EV_USE_INOTIFY 1 |
|
|
240 | # else |
176 | # define EV_USE_INOTIFY 0 |
241 | # define EV_USE_INOTIFY 0 |
|
|
242 | # endif |
177 | #endif |
243 | #endif |
178 | |
244 | |
179 | #ifndef EV_PID_HASHSIZE |
245 | #ifndef EV_PID_HASHSIZE |
180 | # if EV_MINIMAL |
246 | # if EV_MINIMAL |
181 | # define EV_PID_HASHSIZE 1 |
247 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
190 | # else |
256 | # else |
191 | # define EV_INOTIFY_HASHSIZE 16 |
257 | # define EV_INOTIFY_HASHSIZE 16 |
192 | # endif |
258 | # endif |
193 | #endif |
259 | #endif |
194 | |
260 | |
195 | /**/ |
261 | #ifndef EV_USE_EVENTFD |
|
|
262 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
263 | # define EV_USE_EVENTFD 1 |
|
|
264 | # else |
|
|
265 | # define EV_USE_EVENTFD 0 |
|
|
266 | # endif |
|
|
267 | #endif |
|
|
268 | |
|
|
269 | #if 0 /* debugging */ |
|
|
270 | # define EV_VERIFY 3 |
|
|
271 | # define EV_USE_4HEAP 1 |
|
|
272 | # define EV_HEAP_CACHE_AT 1 |
|
|
273 | #endif |
|
|
274 | |
|
|
275 | #ifndef EV_VERIFY |
|
|
276 | # define EV_VERIFY !EV_MINIMAL |
|
|
277 | #endif |
|
|
278 | |
|
|
279 | #ifndef EV_USE_4HEAP |
|
|
280 | # define EV_USE_4HEAP !EV_MINIMAL |
|
|
281 | #endif |
|
|
282 | |
|
|
283 | #ifndef EV_HEAP_CACHE_AT |
|
|
284 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
285 | #endif |
|
|
286 | |
|
|
287 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
196 | |
288 | |
197 | #ifndef CLOCK_MONOTONIC |
289 | #ifndef CLOCK_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
290 | # undef EV_USE_MONOTONIC |
199 | # define EV_USE_MONOTONIC 0 |
291 | # define EV_USE_MONOTONIC 0 |
200 | #endif |
292 | #endif |
… | |
… | |
207 | #if !EV_STAT_ENABLE |
299 | #if !EV_STAT_ENABLE |
208 | # undef EV_USE_INOTIFY |
300 | # undef EV_USE_INOTIFY |
209 | # define EV_USE_INOTIFY 0 |
301 | # define EV_USE_INOTIFY 0 |
210 | #endif |
302 | #endif |
211 | |
303 | |
|
|
304 | #if !EV_USE_NANOSLEEP |
|
|
305 | # ifndef _WIN32 |
|
|
306 | # include <sys/select.h> |
|
|
307 | # endif |
|
|
308 | #endif |
|
|
309 | |
212 | #if EV_USE_INOTIFY |
310 | #if EV_USE_INOTIFY |
|
|
311 | # include <sys/utsname.h> |
|
|
312 | # include <sys/statfs.h> |
213 | # include <sys/inotify.h> |
313 | # include <sys/inotify.h> |
|
|
314 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
|
315 | # ifndef IN_DONT_FOLLOW |
|
|
316 | # undef EV_USE_INOTIFY |
|
|
317 | # define EV_USE_INOTIFY 0 |
|
|
318 | # endif |
214 | #endif |
319 | #endif |
215 | |
320 | |
216 | #if EV_SELECT_IS_WINSOCKET |
321 | #if EV_SELECT_IS_WINSOCKET |
217 | # include <winsock.h> |
322 | # include <winsock.h> |
218 | #endif |
323 | #endif |
219 | |
324 | |
|
|
325 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
326 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
327 | #if EV_USE_CLOCK_SYSCALL |
|
|
328 | # include <syscall.h> |
|
|
329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
330 | # undef EV_USE_MONOTONIC |
|
|
331 | # define EV_USE_MONOTONIC 1 |
|
|
332 | #endif |
|
|
333 | |
|
|
334 | #if EV_USE_EVENTFD |
|
|
335 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
336 | # include <stdint.h> |
|
|
337 | # ifdef __cplusplus |
|
|
338 | extern "C" { |
|
|
339 | # endif |
|
|
340 | int eventfd (unsigned int initval, int flags); |
|
|
341 | # ifdef __cplusplus |
|
|
342 | } |
|
|
343 | # endif |
|
|
344 | #endif |
|
|
345 | |
220 | /**/ |
346 | /**/ |
|
|
347 | |
|
|
348 | #if EV_VERIFY >= 3 |
|
|
349 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
|
350 | #else |
|
|
351 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
352 | #endif |
221 | |
353 | |
222 | /* |
354 | /* |
223 | * This is used to avoid floating point rounding problems. |
355 | * This is used to avoid floating point rounding problems. |
224 | * It is added to ev_rt_now when scheduling periodics |
356 | * It is added to ev_rt_now when scheduling periodics |
225 | * to ensure progress, time-wise, even when rounding |
357 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
237 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
369 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
238 | # define noinline __attribute__ ((noinline)) |
370 | # define noinline __attribute__ ((noinline)) |
239 | #else |
371 | #else |
240 | # define expect(expr,value) (expr) |
372 | # define expect(expr,value) (expr) |
241 | # define noinline |
373 | # define noinline |
242 | # if __STDC_VERSION__ < 199901L |
374 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
243 | # define inline |
375 | # define inline |
244 | # endif |
376 | # endif |
245 | #endif |
377 | #endif |
246 | |
378 | |
247 | #define expect_false(expr) expect ((expr) != 0, 0) |
379 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
262 | |
394 | |
263 | typedef ev_watcher *W; |
395 | typedef ev_watcher *W; |
264 | typedef ev_watcher_list *WL; |
396 | typedef ev_watcher_list *WL; |
265 | typedef ev_watcher_time *WT; |
397 | typedef ev_watcher_time *WT; |
266 | |
398 | |
|
|
399 | #define ev_active(w) ((W)(w))->active |
|
|
400 | #define ev_at(w) ((WT)(w))->at |
|
|
401 | |
|
|
402 | #if EV_USE_REALTIME |
|
|
403 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
404 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
|
405 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
|
|
406 | #endif |
|
|
407 | |
|
|
408 | #if EV_USE_MONOTONIC |
267 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
409 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
|
|
410 | #endif |
268 | |
411 | |
269 | #ifdef _WIN32 |
412 | #ifdef _WIN32 |
270 | # include "ev_win32.c" |
413 | # include "ev_win32.c" |
271 | #endif |
414 | #endif |
272 | |
415 | |
… | |
… | |
279 | { |
422 | { |
280 | syserr_cb = cb; |
423 | syserr_cb = cb; |
281 | } |
424 | } |
282 | |
425 | |
283 | static void noinline |
426 | static void noinline |
284 | syserr (const char *msg) |
427 | ev_syserr (const char *msg) |
285 | { |
428 | { |
286 | if (!msg) |
429 | if (!msg) |
287 | msg = "(libev) system error"; |
430 | msg = "(libev) system error"; |
288 | |
431 | |
289 | if (syserr_cb) |
432 | if (syserr_cb) |
… | |
… | |
293 | perror (msg); |
436 | perror (msg); |
294 | abort (); |
437 | abort (); |
295 | } |
438 | } |
296 | } |
439 | } |
297 | |
440 | |
|
|
441 | static void * |
|
|
442 | ev_realloc_emul (void *ptr, long size) |
|
|
443 | { |
|
|
444 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
445 | * implement realloc (x, 0) (as required by both ansi c-98 and |
|
|
446 | * the single unix specification, so work around them here. |
|
|
447 | */ |
|
|
448 | |
|
|
449 | if (size) |
|
|
450 | return realloc (ptr, size); |
|
|
451 | |
|
|
452 | free (ptr); |
|
|
453 | return 0; |
|
|
454 | } |
|
|
455 | |
298 | static void *(*alloc)(void *ptr, long size); |
456 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
299 | |
457 | |
300 | void |
458 | void |
301 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
459 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
302 | { |
460 | { |
303 | alloc = cb; |
461 | alloc = cb; |
304 | } |
462 | } |
305 | |
463 | |
306 | inline_speed void * |
464 | inline_speed void * |
307 | ev_realloc (void *ptr, long size) |
465 | ev_realloc (void *ptr, long size) |
308 | { |
466 | { |
309 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
467 | ptr = alloc (ptr, size); |
310 | |
468 | |
311 | if (!ptr && size) |
469 | if (!ptr && size) |
312 | { |
470 | { |
313 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
471 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
314 | abort (); |
472 | abort (); |
… | |
… | |
325 | typedef struct |
483 | typedef struct |
326 | { |
484 | { |
327 | WL head; |
485 | WL head; |
328 | unsigned char events; |
486 | unsigned char events; |
329 | unsigned char reify; |
487 | unsigned char reify; |
|
|
488 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
|
|
489 | unsigned char unused; |
|
|
490 | #if EV_USE_EPOLL |
|
|
491 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
492 | #endif |
330 | #if EV_SELECT_IS_WINSOCKET |
493 | #if EV_SELECT_IS_WINSOCKET |
331 | SOCKET handle; |
494 | SOCKET handle; |
332 | #endif |
495 | #endif |
333 | } ANFD; |
496 | } ANFD; |
334 | |
497 | |
… | |
… | |
337 | W w; |
500 | W w; |
338 | int events; |
501 | int events; |
339 | } ANPENDING; |
502 | } ANPENDING; |
340 | |
503 | |
341 | #if EV_USE_INOTIFY |
504 | #if EV_USE_INOTIFY |
|
|
505 | /* hash table entry per inotify-id */ |
342 | typedef struct |
506 | typedef struct |
343 | { |
507 | { |
344 | WL head; |
508 | WL head; |
345 | } ANFS; |
509 | } ANFS; |
|
|
510 | #endif |
|
|
511 | |
|
|
512 | /* Heap Entry */ |
|
|
513 | #if EV_HEAP_CACHE_AT |
|
|
514 | typedef struct { |
|
|
515 | ev_tstamp at; |
|
|
516 | WT w; |
|
|
517 | } ANHE; |
|
|
518 | |
|
|
519 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
520 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
521 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
522 | #else |
|
|
523 | typedef WT ANHE; |
|
|
524 | |
|
|
525 | #define ANHE_w(he) (he) |
|
|
526 | #define ANHE_at(he) (he)->at |
|
|
527 | #define ANHE_at_cache(he) |
346 | #endif |
528 | #endif |
347 | |
529 | |
348 | #if EV_MULTIPLICITY |
530 | #if EV_MULTIPLICITY |
349 | |
531 | |
350 | struct ev_loop |
532 | struct ev_loop |
… | |
… | |
375 | |
557 | |
376 | ev_tstamp |
558 | ev_tstamp |
377 | ev_time (void) |
559 | ev_time (void) |
378 | { |
560 | { |
379 | #if EV_USE_REALTIME |
561 | #if EV_USE_REALTIME |
|
|
562 | if (expect_true (have_realtime)) |
|
|
563 | { |
380 | struct timespec ts; |
564 | struct timespec ts; |
381 | clock_gettime (CLOCK_REALTIME, &ts); |
565 | clock_gettime (CLOCK_REALTIME, &ts); |
382 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
566 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
383 | #else |
567 | } |
|
|
568 | #endif |
|
|
569 | |
384 | struct timeval tv; |
570 | struct timeval tv; |
385 | gettimeofday (&tv, 0); |
571 | gettimeofday (&tv, 0); |
386 | return tv.tv_sec + tv.tv_usec * 1e-6; |
572 | return tv.tv_sec + tv.tv_usec * 1e-6; |
387 | #endif |
|
|
388 | } |
573 | } |
389 | |
574 | |
390 | ev_tstamp inline_size |
575 | inline_size ev_tstamp |
391 | get_clock (void) |
576 | get_clock (void) |
392 | { |
577 | { |
393 | #if EV_USE_MONOTONIC |
578 | #if EV_USE_MONOTONIC |
394 | if (expect_true (have_monotonic)) |
579 | if (expect_true (have_monotonic)) |
395 | { |
580 | { |
… | |
… | |
408 | { |
593 | { |
409 | return ev_rt_now; |
594 | return ev_rt_now; |
410 | } |
595 | } |
411 | #endif |
596 | #endif |
412 | |
597 | |
413 | int inline_size |
598 | void |
|
|
599 | ev_sleep (ev_tstamp delay) |
|
|
600 | { |
|
|
601 | if (delay > 0.) |
|
|
602 | { |
|
|
603 | #if EV_USE_NANOSLEEP |
|
|
604 | struct timespec ts; |
|
|
605 | |
|
|
606 | ts.tv_sec = (time_t)delay; |
|
|
607 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
608 | |
|
|
609 | nanosleep (&ts, 0); |
|
|
610 | #elif defined(_WIN32) |
|
|
611 | Sleep ((unsigned long)(delay * 1e3)); |
|
|
612 | #else |
|
|
613 | struct timeval tv; |
|
|
614 | |
|
|
615 | tv.tv_sec = (time_t)delay; |
|
|
616 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
617 | |
|
|
618 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
619 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
620 | /* by older ones */ |
|
|
621 | select (0, 0, 0, 0, &tv); |
|
|
622 | #endif |
|
|
623 | } |
|
|
624 | } |
|
|
625 | |
|
|
626 | /*****************************************************************************/ |
|
|
627 | |
|
|
628 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
|
|
629 | |
|
|
630 | inline_size int |
414 | array_nextsize (int elem, int cur, int cnt) |
631 | array_nextsize (int elem, int cur, int cnt) |
415 | { |
632 | { |
416 | int ncur = cur + 1; |
633 | int ncur = cur + 1; |
417 | |
634 | |
418 | do |
635 | do |
419 | ncur <<= 1; |
636 | ncur <<= 1; |
420 | while (cnt > ncur); |
637 | while (cnt > ncur); |
421 | |
638 | |
422 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
639 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
423 | if (elem * ncur > 4096) |
640 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
424 | { |
641 | { |
425 | ncur *= elem; |
642 | ncur *= elem; |
426 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
643 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
427 | ncur = ncur - sizeof (void *) * 4; |
644 | ncur = ncur - sizeof (void *) * 4; |
428 | ncur /= elem; |
645 | ncur /= elem; |
429 | } |
646 | } |
430 | |
647 | |
431 | return ncur; |
648 | return ncur; |
… | |
… | |
435 | array_realloc (int elem, void *base, int *cur, int cnt) |
652 | array_realloc (int elem, void *base, int *cur, int cnt) |
436 | { |
653 | { |
437 | *cur = array_nextsize (elem, *cur, cnt); |
654 | *cur = array_nextsize (elem, *cur, cnt); |
438 | return ev_realloc (base, elem * *cur); |
655 | return ev_realloc (base, elem * *cur); |
439 | } |
656 | } |
|
|
657 | |
|
|
658 | #define array_init_zero(base,count) \ |
|
|
659 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
440 | |
660 | |
441 | #define array_needsize(type,base,cur,cnt,init) \ |
661 | #define array_needsize(type,base,cur,cnt,init) \ |
442 | if (expect_false ((cnt) > (cur))) \ |
662 | if (expect_false ((cnt) > (cur))) \ |
443 | { \ |
663 | { \ |
444 | int ocur_ = (cur); \ |
664 | int ocur_ = (cur); \ |
… | |
… | |
456 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
676 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
457 | } |
677 | } |
458 | #endif |
678 | #endif |
459 | |
679 | |
460 | #define array_free(stem, idx) \ |
680 | #define array_free(stem, idx) \ |
461 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
681 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
462 | |
682 | |
463 | /*****************************************************************************/ |
683 | /*****************************************************************************/ |
464 | |
684 | |
465 | void noinline |
685 | void noinline |
466 | ev_feed_event (EV_P_ void *w, int revents) |
686 | ev_feed_event (EV_P_ void *w, int revents) |
… | |
… | |
477 | pendings [pri][w_->pending - 1].w = w_; |
697 | pendings [pri][w_->pending - 1].w = w_; |
478 | pendings [pri][w_->pending - 1].events = revents; |
698 | pendings [pri][w_->pending - 1].events = revents; |
479 | } |
699 | } |
480 | } |
700 | } |
481 | |
701 | |
482 | void inline_speed |
702 | inline_speed void |
|
|
703 | feed_reverse (EV_P_ W w) |
|
|
704 | { |
|
|
705 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
706 | rfeeds [rfeedcnt++] = w; |
|
|
707 | } |
|
|
708 | |
|
|
709 | inline_size void |
|
|
710 | feed_reverse_done (EV_P_ int revents) |
|
|
711 | { |
|
|
712 | do |
|
|
713 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
714 | while (rfeedcnt); |
|
|
715 | } |
|
|
716 | |
|
|
717 | inline_speed void |
483 | queue_events (EV_P_ W *events, int eventcnt, int type) |
718 | queue_events (EV_P_ W *events, int eventcnt, int type) |
484 | { |
719 | { |
485 | int i; |
720 | int i; |
486 | |
721 | |
487 | for (i = 0; i < eventcnt; ++i) |
722 | for (i = 0; i < eventcnt; ++i) |
488 | ev_feed_event (EV_A_ events [i], type); |
723 | ev_feed_event (EV_A_ events [i], type); |
489 | } |
724 | } |
490 | |
725 | |
491 | /*****************************************************************************/ |
726 | /*****************************************************************************/ |
492 | |
727 | |
493 | void inline_size |
728 | inline_speed void |
494 | anfds_init (ANFD *base, int count) |
|
|
495 | { |
|
|
496 | while (count--) |
|
|
497 | { |
|
|
498 | base->head = 0; |
|
|
499 | base->events = EV_NONE; |
|
|
500 | base->reify = 0; |
|
|
501 | |
|
|
502 | ++base; |
|
|
503 | } |
|
|
504 | } |
|
|
505 | |
|
|
506 | void inline_speed |
|
|
507 | fd_event (EV_P_ int fd, int revents) |
729 | fd_event (EV_P_ int fd, int revents) |
508 | { |
730 | { |
509 | ANFD *anfd = anfds + fd; |
731 | ANFD *anfd = anfds + fd; |
510 | ev_io *w; |
732 | ev_io *w; |
511 | |
733 | |
… | |
… | |
523 | { |
745 | { |
524 | if (fd >= 0 && fd < anfdmax) |
746 | if (fd >= 0 && fd < anfdmax) |
525 | fd_event (EV_A_ fd, revents); |
747 | fd_event (EV_A_ fd, revents); |
526 | } |
748 | } |
527 | |
749 | |
528 | void inline_size |
750 | inline_size void |
529 | fd_reify (EV_P) |
751 | fd_reify (EV_P) |
530 | { |
752 | { |
531 | int i; |
753 | int i; |
532 | |
754 | |
533 | for (i = 0; i < fdchangecnt; ++i) |
755 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
542 | events |= (unsigned char)w->events; |
764 | events |= (unsigned char)w->events; |
543 | |
765 | |
544 | #if EV_SELECT_IS_WINSOCKET |
766 | #if EV_SELECT_IS_WINSOCKET |
545 | if (events) |
767 | if (events) |
546 | { |
768 | { |
547 | unsigned long argp; |
769 | unsigned long arg; |
|
|
770 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
771 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
772 | #else |
548 | anfd->handle = _get_osfhandle (fd); |
773 | anfd->handle = _get_osfhandle (fd); |
|
|
774 | #endif |
549 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
775 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
550 | } |
776 | } |
551 | #endif |
777 | #endif |
552 | |
778 | |
553 | { |
779 | { |
554 | unsigned char o_events = anfd->events; |
780 | unsigned char o_events = anfd->events; |
555 | unsigned char o_reify = anfd->reify; |
781 | unsigned char o_reify = anfd->reify; |
556 | |
782 | |
557 | anfd->reify = 0; |
783 | anfd->reify = 0; |
558 | anfd->events = events; |
784 | anfd->events = events; |
559 | |
785 | |
560 | if (o_events != events || o_reify & EV_IOFDSET) |
786 | if (o_events != events || o_reify & EV__IOFDSET) |
561 | backend_modify (EV_A_ fd, o_events, events); |
787 | backend_modify (EV_A_ fd, o_events, events); |
562 | } |
788 | } |
563 | } |
789 | } |
564 | |
790 | |
565 | fdchangecnt = 0; |
791 | fdchangecnt = 0; |
566 | } |
792 | } |
567 | |
793 | |
568 | void inline_size |
794 | inline_size void |
569 | fd_change (EV_P_ int fd, int flags) |
795 | fd_change (EV_P_ int fd, int flags) |
570 | { |
796 | { |
571 | unsigned char reify = anfds [fd].reify; |
797 | unsigned char reify = anfds [fd].reify; |
572 | anfds [fd].reify |= flags; |
798 | anfds [fd].reify |= flags; |
573 | |
799 | |
… | |
… | |
577 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
803 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
578 | fdchanges [fdchangecnt - 1] = fd; |
804 | fdchanges [fdchangecnt - 1] = fd; |
579 | } |
805 | } |
580 | } |
806 | } |
581 | |
807 | |
582 | void inline_speed |
808 | inline_speed void |
583 | fd_kill (EV_P_ int fd) |
809 | fd_kill (EV_P_ int fd) |
584 | { |
810 | { |
585 | ev_io *w; |
811 | ev_io *w; |
586 | |
812 | |
587 | while ((w = (ev_io *)anfds [fd].head)) |
813 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
589 | ev_io_stop (EV_A_ w); |
815 | ev_io_stop (EV_A_ w); |
590 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
816 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
591 | } |
817 | } |
592 | } |
818 | } |
593 | |
819 | |
594 | int inline_size |
820 | inline_size int |
595 | fd_valid (int fd) |
821 | fd_valid (int fd) |
596 | { |
822 | { |
597 | #ifdef _WIN32 |
823 | #ifdef _WIN32 |
598 | return _get_osfhandle (fd) != -1; |
824 | return _get_osfhandle (fd) != -1; |
599 | #else |
825 | #else |
… | |
… | |
607 | { |
833 | { |
608 | int fd; |
834 | int fd; |
609 | |
835 | |
610 | for (fd = 0; fd < anfdmax; ++fd) |
836 | for (fd = 0; fd < anfdmax; ++fd) |
611 | if (anfds [fd].events) |
837 | if (anfds [fd].events) |
612 | if (!fd_valid (fd) == -1 && errno == EBADF) |
838 | if (!fd_valid (fd) && errno == EBADF) |
613 | fd_kill (EV_A_ fd); |
839 | fd_kill (EV_A_ fd); |
614 | } |
840 | } |
615 | |
841 | |
616 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
842 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
617 | static void noinline |
843 | static void noinline |
… | |
… | |
635 | |
861 | |
636 | for (fd = 0; fd < anfdmax; ++fd) |
862 | for (fd = 0; fd < anfdmax; ++fd) |
637 | if (anfds [fd].events) |
863 | if (anfds [fd].events) |
638 | { |
864 | { |
639 | anfds [fd].events = 0; |
865 | anfds [fd].events = 0; |
|
|
866 | anfds [fd].emask = 0; |
640 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
867 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
641 | } |
868 | } |
642 | } |
869 | } |
643 | |
870 | |
644 | /*****************************************************************************/ |
871 | /*****************************************************************************/ |
645 | |
872 | |
646 | void inline_speed |
873 | /* |
647 | upheap (WT *heap, int k) |
874 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
648 | { |
875 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
649 | WT w = heap [k]; |
876 | * the branching factor of the d-tree. |
|
|
877 | */ |
650 | |
878 | |
651 | while (k) |
879 | /* |
652 | { |
880 | * at the moment we allow libev the luxury of two heaps, |
653 | int p = (k - 1) >> 1; |
881 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
882 | * which is more cache-efficient. |
|
|
883 | * the difference is about 5% with 50000+ watchers. |
|
|
884 | */ |
|
|
885 | #if EV_USE_4HEAP |
654 | |
886 | |
655 | if (heap [p]->at <= w->at) |
887 | #define DHEAP 4 |
|
|
888 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
889 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
890 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
891 | |
|
|
892 | /* away from the root */ |
|
|
893 | inline_speed void |
|
|
894 | downheap (ANHE *heap, int N, int k) |
|
|
895 | { |
|
|
896 | ANHE he = heap [k]; |
|
|
897 | ANHE *E = heap + N + HEAP0; |
|
|
898 | |
|
|
899 | for (;;) |
|
|
900 | { |
|
|
901 | ev_tstamp minat; |
|
|
902 | ANHE *minpos; |
|
|
903 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
|
|
904 | |
|
|
905 | /* find minimum child */ |
|
|
906 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
907 | { |
|
|
908 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
909 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
910 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
911 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
912 | } |
|
|
913 | else if (pos < E) |
|
|
914 | { |
|
|
915 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
916 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
917 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
918 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
919 | } |
|
|
920 | else |
656 | break; |
921 | break; |
657 | |
922 | |
|
|
923 | if (ANHE_at (he) <= minat) |
|
|
924 | break; |
|
|
925 | |
|
|
926 | heap [k] = *minpos; |
|
|
927 | ev_active (ANHE_w (*minpos)) = k; |
|
|
928 | |
|
|
929 | k = minpos - heap; |
|
|
930 | } |
|
|
931 | |
|
|
932 | heap [k] = he; |
|
|
933 | ev_active (ANHE_w (he)) = k; |
|
|
934 | } |
|
|
935 | |
|
|
936 | #else /* 4HEAP */ |
|
|
937 | |
|
|
938 | #define HEAP0 1 |
|
|
939 | #define HPARENT(k) ((k) >> 1) |
|
|
940 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
941 | |
|
|
942 | /* away from the root */ |
|
|
943 | inline_speed void |
|
|
944 | downheap (ANHE *heap, int N, int k) |
|
|
945 | { |
|
|
946 | ANHE he = heap [k]; |
|
|
947 | |
|
|
948 | for (;;) |
|
|
949 | { |
|
|
950 | int c = k << 1; |
|
|
951 | |
|
|
952 | if (c > N + HEAP0 - 1) |
|
|
953 | break; |
|
|
954 | |
|
|
955 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
956 | ? 1 : 0; |
|
|
957 | |
|
|
958 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
959 | break; |
|
|
960 | |
|
|
961 | heap [k] = heap [c]; |
|
|
962 | ev_active (ANHE_w (heap [k])) = k; |
|
|
963 | |
|
|
964 | k = c; |
|
|
965 | } |
|
|
966 | |
|
|
967 | heap [k] = he; |
|
|
968 | ev_active (ANHE_w (he)) = k; |
|
|
969 | } |
|
|
970 | #endif |
|
|
971 | |
|
|
972 | /* towards the root */ |
|
|
973 | inline_speed void |
|
|
974 | upheap (ANHE *heap, int k) |
|
|
975 | { |
|
|
976 | ANHE he = heap [k]; |
|
|
977 | |
|
|
978 | for (;;) |
|
|
979 | { |
|
|
980 | int p = HPARENT (k); |
|
|
981 | |
|
|
982 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
983 | break; |
|
|
984 | |
658 | heap [k] = heap [p]; |
985 | heap [k] = heap [p]; |
659 | ((W)heap [k])->active = k + 1; |
986 | ev_active (ANHE_w (heap [k])) = k; |
660 | k = p; |
987 | k = p; |
661 | } |
988 | } |
662 | |
989 | |
663 | heap [k] = w; |
990 | heap [k] = he; |
664 | ((W)heap [k])->active = k + 1; |
991 | ev_active (ANHE_w (he)) = k; |
665 | } |
992 | } |
666 | |
993 | |
667 | void inline_speed |
994 | inline_size void |
668 | downheap (WT *heap, int N, int k) |
|
|
669 | { |
|
|
670 | WT w = heap [k]; |
|
|
671 | |
|
|
672 | for (;;) |
|
|
673 | { |
|
|
674 | int c = (k << 1) + 1; |
|
|
675 | |
|
|
676 | if (c >= N) |
|
|
677 | break; |
|
|
678 | |
|
|
679 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
680 | ? 1 : 0; |
|
|
681 | |
|
|
682 | if (w->at <= heap [c]->at) |
|
|
683 | break; |
|
|
684 | |
|
|
685 | heap [k] = heap [c]; |
|
|
686 | ((W)heap [k])->active = k + 1; |
|
|
687 | |
|
|
688 | k = c; |
|
|
689 | } |
|
|
690 | |
|
|
691 | heap [k] = w; |
|
|
692 | ((W)heap [k])->active = k + 1; |
|
|
693 | } |
|
|
694 | |
|
|
695 | void inline_size |
|
|
696 | adjustheap (WT *heap, int N, int k) |
995 | adjustheap (ANHE *heap, int N, int k) |
697 | { |
996 | { |
|
|
997 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
698 | upheap (heap, k); |
998 | upheap (heap, k); |
|
|
999 | else |
699 | downheap (heap, N, k); |
1000 | downheap (heap, N, k); |
|
|
1001 | } |
|
|
1002 | |
|
|
1003 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
1004 | inline_size void |
|
|
1005 | reheap (ANHE *heap, int N) |
|
|
1006 | { |
|
|
1007 | int i; |
|
|
1008 | |
|
|
1009 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
1010 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
1011 | for (i = 0; i < N; ++i) |
|
|
1012 | upheap (heap, i + HEAP0); |
700 | } |
1013 | } |
701 | |
1014 | |
702 | /*****************************************************************************/ |
1015 | /*****************************************************************************/ |
703 | |
1016 | |
704 | typedef struct |
1017 | typedef struct |
705 | { |
1018 | { |
706 | WL head; |
1019 | WL head; |
707 | sig_atomic_t volatile gotsig; |
1020 | EV_ATOMIC_T gotsig; |
708 | } ANSIG; |
1021 | } ANSIG; |
709 | |
1022 | |
710 | static ANSIG *signals; |
1023 | static ANSIG *signals; |
711 | static int signalmax; |
1024 | static int signalmax; |
712 | |
1025 | |
713 | static int sigpipe [2]; |
1026 | static EV_ATOMIC_T gotsig; |
714 | static sig_atomic_t volatile gotsig; |
|
|
715 | static ev_io sigev; |
|
|
716 | |
1027 | |
717 | void inline_size |
1028 | /*****************************************************************************/ |
718 | signals_init (ANSIG *base, int count) |
|
|
719 | { |
|
|
720 | while (count--) |
|
|
721 | { |
|
|
722 | base->head = 0; |
|
|
723 | base->gotsig = 0; |
|
|
724 | |
1029 | |
725 | ++base; |
1030 | inline_speed void |
726 | } |
|
|
727 | } |
|
|
728 | |
|
|
729 | static void |
|
|
730 | sighandler (int signum) |
|
|
731 | { |
|
|
732 | #if _WIN32 |
|
|
733 | signal (signum, sighandler); |
|
|
734 | #endif |
|
|
735 | |
|
|
736 | signals [signum - 1].gotsig = 1; |
|
|
737 | |
|
|
738 | if (!gotsig) |
|
|
739 | { |
|
|
740 | int old_errno = errno; |
|
|
741 | gotsig = 1; |
|
|
742 | write (sigpipe [1], &signum, 1); |
|
|
743 | errno = old_errno; |
|
|
744 | } |
|
|
745 | } |
|
|
746 | |
|
|
747 | void noinline |
|
|
748 | ev_feed_signal_event (EV_P_ int signum) |
|
|
749 | { |
|
|
750 | WL w; |
|
|
751 | |
|
|
752 | #if EV_MULTIPLICITY |
|
|
753 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
754 | #endif |
|
|
755 | |
|
|
756 | --signum; |
|
|
757 | |
|
|
758 | if (signum < 0 || signum >= signalmax) |
|
|
759 | return; |
|
|
760 | |
|
|
761 | signals [signum].gotsig = 0; |
|
|
762 | |
|
|
763 | for (w = signals [signum].head; w; w = w->next) |
|
|
764 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
765 | } |
|
|
766 | |
|
|
767 | static void |
|
|
768 | sigcb (EV_P_ ev_io *iow, int revents) |
|
|
769 | { |
|
|
770 | int signum; |
|
|
771 | |
|
|
772 | read (sigpipe [0], &revents, 1); |
|
|
773 | gotsig = 0; |
|
|
774 | |
|
|
775 | for (signum = signalmax; signum--; ) |
|
|
776 | if (signals [signum].gotsig) |
|
|
777 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
778 | } |
|
|
779 | |
|
|
780 | void inline_speed |
|
|
781 | fd_intern (int fd) |
1031 | fd_intern (int fd) |
782 | { |
1032 | { |
783 | #ifdef _WIN32 |
1033 | #ifdef _WIN32 |
784 | int arg = 1; |
1034 | unsigned long arg = 1; |
785 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1035 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
786 | #else |
1036 | #else |
787 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1037 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
788 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1038 | fcntl (fd, F_SETFL, O_NONBLOCK); |
789 | #endif |
1039 | #endif |
790 | } |
1040 | } |
791 | |
1041 | |
792 | static void noinline |
1042 | static void noinline |
793 | siginit (EV_P) |
1043 | evpipe_init (EV_P) |
794 | { |
1044 | { |
|
|
1045 | if (!ev_is_active (&pipeev)) |
|
|
1046 | { |
|
|
1047 | #if EV_USE_EVENTFD |
|
|
1048 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
1049 | { |
|
|
1050 | evpipe [0] = -1; |
|
|
1051 | fd_intern (evfd); |
|
|
1052 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
1053 | } |
|
|
1054 | else |
|
|
1055 | #endif |
|
|
1056 | { |
|
|
1057 | while (pipe (evpipe)) |
|
|
1058 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
1059 | |
795 | fd_intern (sigpipe [0]); |
1060 | fd_intern (evpipe [0]); |
796 | fd_intern (sigpipe [1]); |
1061 | fd_intern (evpipe [1]); |
|
|
1062 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
1063 | } |
797 | |
1064 | |
798 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
|
|
799 | ev_io_start (EV_A_ &sigev); |
1065 | ev_io_start (EV_A_ &pipeev); |
800 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1066 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1067 | } |
|
|
1068 | } |
|
|
1069 | |
|
|
1070 | inline_size void |
|
|
1071 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1072 | { |
|
|
1073 | if (!*flag) |
|
|
1074 | { |
|
|
1075 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1076 | |
|
|
1077 | *flag = 1; |
|
|
1078 | |
|
|
1079 | #if EV_USE_EVENTFD |
|
|
1080 | if (evfd >= 0) |
|
|
1081 | { |
|
|
1082 | uint64_t counter = 1; |
|
|
1083 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1084 | } |
|
|
1085 | else |
|
|
1086 | #endif |
|
|
1087 | write (evpipe [1], &old_errno, 1); |
|
|
1088 | |
|
|
1089 | errno = old_errno; |
|
|
1090 | } |
|
|
1091 | } |
|
|
1092 | |
|
|
1093 | static void |
|
|
1094 | pipecb (EV_P_ ev_io *iow, int revents) |
|
|
1095 | { |
|
|
1096 | #if EV_USE_EVENTFD |
|
|
1097 | if (evfd >= 0) |
|
|
1098 | { |
|
|
1099 | uint64_t counter; |
|
|
1100 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1101 | } |
|
|
1102 | else |
|
|
1103 | #endif |
|
|
1104 | { |
|
|
1105 | char dummy; |
|
|
1106 | read (evpipe [0], &dummy, 1); |
|
|
1107 | } |
|
|
1108 | |
|
|
1109 | if (gotsig && ev_is_default_loop (EV_A)) |
|
|
1110 | { |
|
|
1111 | int signum; |
|
|
1112 | gotsig = 0; |
|
|
1113 | |
|
|
1114 | for (signum = signalmax; signum--; ) |
|
|
1115 | if (signals [signum].gotsig) |
|
|
1116 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
1117 | } |
|
|
1118 | |
|
|
1119 | #if EV_ASYNC_ENABLE |
|
|
1120 | if (gotasync) |
|
|
1121 | { |
|
|
1122 | int i; |
|
|
1123 | gotasync = 0; |
|
|
1124 | |
|
|
1125 | for (i = asynccnt; i--; ) |
|
|
1126 | if (asyncs [i]->sent) |
|
|
1127 | { |
|
|
1128 | asyncs [i]->sent = 0; |
|
|
1129 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
1130 | } |
|
|
1131 | } |
|
|
1132 | #endif |
801 | } |
1133 | } |
802 | |
1134 | |
803 | /*****************************************************************************/ |
1135 | /*****************************************************************************/ |
804 | |
1136 | |
|
|
1137 | static void |
|
|
1138 | ev_sighandler (int signum) |
|
|
1139 | { |
|
|
1140 | #if EV_MULTIPLICITY |
|
|
1141 | struct ev_loop *loop = &default_loop_struct; |
|
|
1142 | #endif |
|
|
1143 | |
|
|
1144 | #if _WIN32 |
|
|
1145 | signal (signum, ev_sighandler); |
|
|
1146 | #endif |
|
|
1147 | |
|
|
1148 | signals [signum - 1].gotsig = 1; |
|
|
1149 | evpipe_write (EV_A_ &gotsig); |
|
|
1150 | } |
|
|
1151 | |
|
|
1152 | void noinline |
|
|
1153 | ev_feed_signal_event (EV_P_ int signum) |
|
|
1154 | { |
|
|
1155 | WL w; |
|
|
1156 | |
|
|
1157 | #if EV_MULTIPLICITY |
|
|
1158 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
1159 | #endif |
|
|
1160 | |
|
|
1161 | --signum; |
|
|
1162 | |
|
|
1163 | if (signum < 0 || signum >= signalmax) |
|
|
1164 | return; |
|
|
1165 | |
|
|
1166 | signals [signum].gotsig = 0; |
|
|
1167 | |
|
|
1168 | for (w = signals [signum].head; w; w = w->next) |
|
|
1169 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
1170 | } |
|
|
1171 | |
|
|
1172 | /*****************************************************************************/ |
|
|
1173 | |
805 | static WL childs [EV_PID_HASHSIZE]; |
1174 | static WL childs [EV_PID_HASHSIZE]; |
806 | |
1175 | |
807 | #ifndef _WIN32 |
1176 | #ifndef _WIN32 |
808 | |
1177 | |
809 | static ev_signal childev; |
1178 | static ev_signal childev; |
810 | |
1179 | |
811 | void inline_speed |
1180 | #ifndef WIFCONTINUED |
|
|
1181 | # define WIFCONTINUED(status) 0 |
|
|
1182 | #endif |
|
|
1183 | |
|
|
1184 | inline_speed void |
812 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1185 | child_reap (EV_P_ int chain, int pid, int status) |
813 | { |
1186 | { |
814 | ev_child *w; |
1187 | ev_child *w; |
|
|
1188 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
815 | |
1189 | |
816 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1190 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1191 | { |
817 | if (w->pid == pid || !w->pid) |
1192 | if ((w->pid == pid || !w->pid) |
|
|
1193 | && (!traced || (w->flags & 1))) |
818 | { |
1194 | { |
819 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1195 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
820 | w->rpid = pid; |
1196 | w->rpid = pid; |
821 | w->rstatus = status; |
1197 | w->rstatus = status; |
822 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1198 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
823 | } |
1199 | } |
|
|
1200 | } |
824 | } |
1201 | } |
825 | |
1202 | |
826 | #ifndef WCONTINUED |
1203 | #ifndef WCONTINUED |
827 | # define WCONTINUED 0 |
1204 | # define WCONTINUED 0 |
828 | #endif |
1205 | #endif |
… | |
… | |
837 | if (!WCONTINUED |
1214 | if (!WCONTINUED |
838 | || errno != EINVAL |
1215 | || errno != EINVAL |
839 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1216 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
840 | return; |
1217 | return; |
841 | |
1218 | |
842 | /* make sure we are called again until all childs have been reaped */ |
1219 | /* make sure we are called again until all children have been reaped */ |
843 | /* we need to do it this way so that the callback gets called before we continue */ |
1220 | /* we need to do it this way so that the callback gets called before we continue */ |
844 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1221 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
845 | |
1222 | |
846 | child_reap (EV_A_ sw, pid, pid, status); |
1223 | child_reap (EV_A_ pid, pid, status); |
847 | if (EV_PID_HASHSIZE > 1) |
1224 | if (EV_PID_HASHSIZE > 1) |
848 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1225 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
849 | } |
1226 | } |
850 | |
1227 | |
851 | #endif |
1228 | #endif |
852 | |
1229 | |
853 | /*****************************************************************************/ |
1230 | /*****************************************************************************/ |
… | |
… | |
915 | /* kqueue is borked on everything but netbsd apparently */ |
1292 | /* kqueue is borked on everything but netbsd apparently */ |
916 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1293 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
917 | flags &= ~EVBACKEND_KQUEUE; |
1294 | flags &= ~EVBACKEND_KQUEUE; |
918 | #endif |
1295 | #endif |
919 | #ifdef __APPLE__ |
1296 | #ifdef __APPLE__ |
920 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1297 | /* only select works correctly on that "unix-certified" platform */ |
921 | flags &= ~EVBACKEND_POLL; |
1298 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1299 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
922 | #endif |
1300 | #endif |
923 | |
1301 | |
924 | return flags; |
1302 | return flags; |
925 | } |
1303 | } |
926 | |
1304 | |
927 | unsigned int |
1305 | unsigned int |
928 | ev_embeddable_backends (void) |
1306 | ev_embeddable_backends (void) |
929 | { |
1307 | { |
930 | return EVBACKEND_EPOLL |
1308 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
931 | | EVBACKEND_KQUEUE |
1309 | |
932 | | EVBACKEND_PORT; |
1310 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
1311 | /* please fix it and tell me how to detect the fix */ |
|
|
1312 | flags &= ~EVBACKEND_EPOLL; |
|
|
1313 | |
|
|
1314 | return flags; |
933 | } |
1315 | } |
934 | |
1316 | |
935 | unsigned int |
1317 | unsigned int |
936 | ev_backend (EV_P) |
1318 | ev_backend (EV_P) |
937 | { |
1319 | { |
… | |
… | |
942 | ev_loop_count (EV_P) |
1324 | ev_loop_count (EV_P) |
943 | { |
1325 | { |
944 | return loop_count; |
1326 | return loop_count; |
945 | } |
1327 | } |
946 | |
1328 | |
|
|
1329 | void |
|
|
1330 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1331 | { |
|
|
1332 | io_blocktime = interval; |
|
|
1333 | } |
|
|
1334 | |
|
|
1335 | void |
|
|
1336 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1337 | { |
|
|
1338 | timeout_blocktime = interval; |
|
|
1339 | } |
|
|
1340 | |
947 | static void noinline |
1341 | static void noinline |
948 | loop_init (EV_P_ unsigned int flags) |
1342 | loop_init (EV_P_ unsigned int flags) |
949 | { |
1343 | { |
950 | if (!backend) |
1344 | if (!backend) |
951 | { |
1345 | { |
|
|
1346 | #if EV_USE_REALTIME |
|
|
1347 | if (!have_realtime) |
|
|
1348 | { |
|
|
1349 | struct timespec ts; |
|
|
1350 | |
|
|
1351 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1352 | have_realtime = 1; |
|
|
1353 | } |
|
|
1354 | #endif |
|
|
1355 | |
952 | #if EV_USE_MONOTONIC |
1356 | #if EV_USE_MONOTONIC |
|
|
1357 | if (!have_monotonic) |
953 | { |
1358 | { |
954 | struct timespec ts; |
1359 | struct timespec ts; |
|
|
1360 | |
955 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1361 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
956 | have_monotonic = 1; |
1362 | have_monotonic = 1; |
957 | } |
1363 | } |
958 | #endif |
1364 | #endif |
959 | |
1365 | |
960 | ev_rt_now = ev_time (); |
1366 | ev_rt_now = ev_time (); |
961 | mn_now = get_clock (); |
1367 | mn_now = get_clock (); |
962 | now_floor = mn_now; |
1368 | now_floor = mn_now; |
963 | rtmn_diff = ev_rt_now - mn_now; |
1369 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1370 | |
|
|
1371 | io_blocktime = 0.; |
|
|
1372 | timeout_blocktime = 0.; |
|
|
1373 | backend = 0; |
|
|
1374 | backend_fd = -1; |
|
|
1375 | gotasync = 0; |
|
|
1376 | #if EV_USE_INOTIFY |
|
|
1377 | fs_fd = -2; |
|
|
1378 | #endif |
964 | |
1379 | |
965 | /* pid check not overridable via env */ |
1380 | /* pid check not overridable via env */ |
966 | #ifndef _WIN32 |
1381 | #ifndef _WIN32 |
967 | if (flags & EVFLAG_FORKCHECK) |
1382 | if (flags & EVFLAG_FORKCHECK) |
968 | curpid = getpid (); |
1383 | curpid = getpid (); |
… | |
… | |
971 | if (!(flags & EVFLAG_NOENV) |
1386 | if (!(flags & EVFLAG_NOENV) |
972 | && !enable_secure () |
1387 | && !enable_secure () |
973 | && getenv ("LIBEV_FLAGS")) |
1388 | && getenv ("LIBEV_FLAGS")) |
974 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1389 | flags = atoi (getenv ("LIBEV_FLAGS")); |
975 | |
1390 | |
976 | if (!(flags & 0x0000ffffUL)) |
1391 | if (!(flags & 0x0000ffffU)) |
977 | flags |= ev_recommended_backends (); |
1392 | flags |= ev_recommended_backends (); |
978 | |
|
|
979 | backend = 0; |
|
|
980 | backend_fd = -1; |
|
|
981 | #if EV_USE_INOTIFY |
|
|
982 | fs_fd = -2; |
|
|
983 | #endif |
|
|
984 | |
1393 | |
985 | #if EV_USE_PORT |
1394 | #if EV_USE_PORT |
986 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1395 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
987 | #endif |
1396 | #endif |
988 | #if EV_USE_KQUEUE |
1397 | #if EV_USE_KQUEUE |
… | |
… | |
996 | #endif |
1405 | #endif |
997 | #if EV_USE_SELECT |
1406 | #if EV_USE_SELECT |
998 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1407 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
999 | #endif |
1408 | #endif |
1000 | |
1409 | |
1001 | ev_init (&sigev, sigcb); |
1410 | ev_init (&pipeev, pipecb); |
1002 | ev_set_priority (&sigev, EV_MAXPRI); |
1411 | ev_set_priority (&pipeev, EV_MAXPRI); |
1003 | } |
1412 | } |
1004 | } |
1413 | } |
1005 | |
1414 | |
1006 | static void noinline |
1415 | static void noinline |
1007 | loop_destroy (EV_P) |
1416 | loop_destroy (EV_P) |
1008 | { |
1417 | { |
1009 | int i; |
1418 | int i; |
|
|
1419 | |
|
|
1420 | if (ev_is_active (&pipeev)) |
|
|
1421 | { |
|
|
1422 | ev_ref (EV_A); /* signal watcher */ |
|
|
1423 | ev_io_stop (EV_A_ &pipeev); |
|
|
1424 | |
|
|
1425 | #if EV_USE_EVENTFD |
|
|
1426 | if (evfd >= 0) |
|
|
1427 | close (evfd); |
|
|
1428 | #endif |
|
|
1429 | |
|
|
1430 | if (evpipe [0] >= 0) |
|
|
1431 | { |
|
|
1432 | close (evpipe [0]); |
|
|
1433 | close (evpipe [1]); |
|
|
1434 | } |
|
|
1435 | } |
1010 | |
1436 | |
1011 | #if EV_USE_INOTIFY |
1437 | #if EV_USE_INOTIFY |
1012 | if (fs_fd >= 0) |
1438 | if (fs_fd >= 0) |
1013 | close (fs_fd); |
1439 | close (fs_fd); |
1014 | #endif |
1440 | #endif |
… | |
… | |
1041 | } |
1467 | } |
1042 | |
1468 | |
1043 | ev_free (anfds); anfdmax = 0; |
1469 | ev_free (anfds); anfdmax = 0; |
1044 | |
1470 | |
1045 | /* have to use the microsoft-never-gets-it-right macro */ |
1471 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1472 | array_free (rfeed, EMPTY); |
1046 | array_free (fdchange, EMPTY); |
1473 | array_free (fdchange, EMPTY); |
1047 | array_free (timer, EMPTY); |
1474 | array_free (timer, EMPTY); |
1048 | #if EV_PERIODIC_ENABLE |
1475 | #if EV_PERIODIC_ENABLE |
1049 | array_free (periodic, EMPTY); |
1476 | array_free (periodic, EMPTY); |
1050 | #endif |
1477 | #endif |
1051 | #if EV_FORK_ENABLE |
1478 | #if EV_FORK_ENABLE |
1052 | array_free (fork, EMPTY); |
1479 | array_free (fork, EMPTY); |
1053 | #endif |
1480 | #endif |
1054 | array_free (prepare, EMPTY); |
1481 | array_free (prepare, EMPTY); |
1055 | array_free (check, EMPTY); |
1482 | array_free (check, EMPTY); |
|
|
1483 | #if EV_ASYNC_ENABLE |
|
|
1484 | array_free (async, EMPTY); |
|
|
1485 | #endif |
1056 | |
1486 | |
1057 | backend = 0; |
1487 | backend = 0; |
1058 | } |
1488 | } |
1059 | |
1489 | |
|
|
1490 | #if EV_USE_INOTIFY |
1060 | void inline_size infy_fork (EV_P); |
1491 | inline_size void infy_fork (EV_P); |
|
|
1492 | #endif |
1061 | |
1493 | |
1062 | void inline_size |
1494 | inline_size void |
1063 | loop_fork (EV_P) |
1495 | loop_fork (EV_P) |
1064 | { |
1496 | { |
1065 | #if EV_USE_PORT |
1497 | #if EV_USE_PORT |
1066 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1498 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1067 | #endif |
1499 | #endif |
… | |
… | |
1073 | #endif |
1505 | #endif |
1074 | #if EV_USE_INOTIFY |
1506 | #if EV_USE_INOTIFY |
1075 | infy_fork (EV_A); |
1507 | infy_fork (EV_A); |
1076 | #endif |
1508 | #endif |
1077 | |
1509 | |
1078 | if (ev_is_active (&sigev)) |
1510 | if (ev_is_active (&pipeev)) |
1079 | { |
1511 | { |
1080 | /* default loop */ |
1512 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1513 | /* while we modify the fd vars */ |
|
|
1514 | gotsig = 1; |
|
|
1515 | #if EV_ASYNC_ENABLE |
|
|
1516 | gotasync = 1; |
|
|
1517 | #endif |
1081 | |
1518 | |
1082 | ev_ref (EV_A); |
1519 | ev_ref (EV_A); |
1083 | ev_io_stop (EV_A_ &sigev); |
1520 | ev_io_stop (EV_A_ &pipeev); |
|
|
1521 | |
|
|
1522 | #if EV_USE_EVENTFD |
|
|
1523 | if (evfd >= 0) |
|
|
1524 | close (evfd); |
|
|
1525 | #endif |
|
|
1526 | |
|
|
1527 | if (evpipe [0] >= 0) |
|
|
1528 | { |
1084 | close (sigpipe [0]); |
1529 | close (evpipe [0]); |
1085 | close (sigpipe [1]); |
1530 | close (evpipe [1]); |
|
|
1531 | } |
1086 | |
1532 | |
1087 | while (pipe (sigpipe)) |
|
|
1088 | syserr ("(libev) error creating pipe"); |
|
|
1089 | |
|
|
1090 | siginit (EV_A); |
1533 | evpipe_init (EV_A); |
|
|
1534 | /* now iterate over everything, in case we missed something */ |
|
|
1535 | pipecb (EV_A_ &pipeev, EV_READ); |
1091 | } |
1536 | } |
1092 | |
1537 | |
1093 | postfork = 0; |
1538 | postfork = 0; |
1094 | } |
1539 | } |
1095 | |
1540 | |
1096 | #if EV_MULTIPLICITY |
1541 | #if EV_MULTIPLICITY |
|
|
1542 | |
1097 | struct ev_loop * |
1543 | struct ev_loop * |
1098 | ev_loop_new (unsigned int flags) |
1544 | ev_loop_new (unsigned int flags) |
1099 | { |
1545 | { |
1100 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1546 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1101 | |
1547 | |
… | |
… | |
1117 | } |
1563 | } |
1118 | |
1564 | |
1119 | void |
1565 | void |
1120 | ev_loop_fork (EV_P) |
1566 | ev_loop_fork (EV_P) |
1121 | { |
1567 | { |
1122 | postfork = 1; |
1568 | postfork = 1; /* must be in line with ev_default_fork */ |
1123 | } |
1569 | } |
1124 | |
1570 | |
|
|
1571 | #if EV_VERIFY |
|
|
1572 | static void noinline |
|
|
1573 | verify_watcher (EV_P_ W w) |
|
|
1574 | { |
|
|
1575 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1576 | |
|
|
1577 | if (w->pending) |
|
|
1578 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1579 | } |
|
|
1580 | |
|
|
1581 | static void noinline |
|
|
1582 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1583 | { |
|
|
1584 | int i; |
|
|
1585 | |
|
|
1586 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1587 | { |
|
|
1588 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1589 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1590 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1591 | |
|
|
1592 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1593 | } |
|
|
1594 | } |
|
|
1595 | |
|
|
1596 | static void noinline |
|
|
1597 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1598 | { |
|
|
1599 | while (cnt--) |
|
|
1600 | { |
|
|
1601 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1602 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1603 | } |
|
|
1604 | } |
|
|
1605 | #endif |
|
|
1606 | |
|
|
1607 | void |
|
|
1608 | ev_loop_verify (EV_P) |
|
|
1609 | { |
|
|
1610 | #if EV_VERIFY |
|
|
1611 | int i; |
|
|
1612 | WL w; |
|
|
1613 | |
|
|
1614 | assert (activecnt >= -1); |
|
|
1615 | |
|
|
1616 | assert (fdchangemax >= fdchangecnt); |
|
|
1617 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1618 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1619 | |
|
|
1620 | assert (anfdmax >= 0); |
|
|
1621 | for (i = 0; i < anfdmax; ++i) |
|
|
1622 | for (w = anfds [i].head; w; w = w->next) |
|
|
1623 | { |
|
|
1624 | verify_watcher (EV_A_ (W)w); |
|
|
1625 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1626 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1627 | } |
|
|
1628 | |
|
|
1629 | assert (timermax >= timercnt); |
|
|
1630 | verify_heap (EV_A_ timers, timercnt); |
|
|
1631 | |
|
|
1632 | #if EV_PERIODIC_ENABLE |
|
|
1633 | assert (periodicmax >= periodiccnt); |
|
|
1634 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1635 | #endif |
|
|
1636 | |
|
|
1637 | for (i = NUMPRI; i--; ) |
|
|
1638 | { |
|
|
1639 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1640 | #if EV_IDLE_ENABLE |
|
|
1641 | assert (idleall >= 0); |
|
|
1642 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1643 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1644 | #endif |
|
|
1645 | } |
|
|
1646 | |
|
|
1647 | #if EV_FORK_ENABLE |
|
|
1648 | assert (forkmax >= forkcnt); |
|
|
1649 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1650 | #endif |
|
|
1651 | |
|
|
1652 | #if EV_ASYNC_ENABLE |
|
|
1653 | assert (asyncmax >= asynccnt); |
|
|
1654 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1655 | #endif |
|
|
1656 | |
|
|
1657 | assert (preparemax >= preparecnt); |
|
|
1658 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1659 | |
|
|
1660 | assert (checkmax >= checkcnt); |
|
|
1661 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1662 | |
|
|
1663 | # if 0 |
|
|
1664 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1665 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1125 | #endif |
1666 | # endif |
|
|
1667 | #endif |
|
|
1668 | } |
|
|
1669 | |
|
|
1670 | #endif /* multiplicity */ |
1126 | |
1671 | |
1127 | #if EV_MULTIPLICITY |
1672 | #if EV_MULTIPLICITY |
1128 | struct ev_loop * |
1673 | struct ev_loop * |
1129 | ev_default_loop_init (unsigned int flags) |
1674 | ev_default_loop_init (unsigned int flags) |
1130 | #else |
1675 | #else |
1131 | int |
1676 | int |
1132 | ev_default_loop (unsigned int flags) |
1677 | ev_default_loop (unsigned int flags) |
1133 | #endif |
1678 | #endif |
1134 | { |
1679 | { |
1135 | if (sigpipe [0] == sigpipe [1]) |
|
|
1136 | if (pipe (sigpipe)) |
|
|
1137 | return 0; |
|
|
1138 | |
|
|
1139 | if (!ev_default_loop_ptr) |
1680 | if (!ev_default_loop_ptr) |
1140 | { |
1681 | { |
1141 | #if EV_MULTIPLICITY |
1682 | #if EV_MULTIPLICITY |
1142 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1683 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1143 | #else |
1684 | #else |
… | |
… | |
1146 | |
1687 | |
1147 | loop_init (EV_A_ flags); |
1688 | loop_init (EV_A_ flags); |
1148 | |
1689 | |
1149 | if (ev_backend (EV_A)) |
1690 | if (ev_backend (EV_A)) |
1150 | { |
1691 | { |
1151 | siginit (EV_A); |
|
|
1152 | |
|
|
1153 | #ifndef _WIN32 |
1692 | #ifndef _WIN32 |
1154 | ev_signal_init (&childev, childcb, SIGCHLD); |
1693 | ev_signal_init (&childev, childcb, SIGCHLD); |
1155 | ev_set_priority (&childev, EV_MAXPRI); |
1694 | ev_set_priority (&childev, EV_MAXPRI); |
1156 | ev_signal_start (EV_A_ &childev); |
1695 | ev_signal_start (EV_A_ &childev); |
1157 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1696 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
… | |
… | |
1169 | { |
1708 | { |
1170 | #if EV_MULTIPLICITY |
1709 | #if EV_MULTIPLICITY |
1171 | struct ev_loop *loop = ev_default_loop_ptr; |
1710 | struct ev_loop *loop = ev_default_loop_ptr; |
1172 | #endif |
1711 | #endif |
1173 | |
1712 | |
|
|
1713 | ev_default_loop_ptr = 0; |
|
|
1714 | |
1174 | #ifndef _WIN32 |
1715 | #ifndef _WIN32 |
1175 | ev_ref (EV_A); /* child watcher */ |
1716 | ev_ref (EV_A); /* child watcher */ |
1176 | ev_signal_stop (EV_A_ &childev); |
1717 | ev_signal_stop (EV_A_ &childev); |
1177 | #endif |
1718 | #endif |
1178 | |
1719 | |
1179 | ev_ref (EV_A); /* signal watcher */ |
|
|
1180 | ev_io_stop (EV_A_ &sigev); |
|
|
1181 | |
|
|
1182 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1183 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1184 | |
|
|
1185 | loop_destroy (EV_A); |
1720 | loop_destroy (EV_A); |
1186 | } |
1721 | } |
1187 | |
1722 | |
1188 | void |
1723 | void |
1189 | ev_default_fork (void) |
1724 | ev_default_fork (void) |
1190 | { |
1725 | { |
1191 | #if EV_MULTIPLICITY |
1726 | #if EV_MULTIPLICITY |
1192 | struct ev_loop *loop = ev_default_loop_ptr; |
1727 | struct ev_loop *loop = ev_default_loop_ptr; |
1193 | #endif |
1728 | #endif |
1194 | |
1729 | |
1195 | if (backend) |
1730 | postfork = 1; /* must be in line with ev_loop_fork */ |
1196 | postfork = 1; |
|
|
1197 | } |
1731 | } |
1198 | |
1732 | |
1199 | /*****************************************************************************/ |
1733 | /*****************************************************************************/ |
1200 | |
1734 | |
1201 | void |
1735 | void |
1202 | ev_invoke (EV_P_ void *w, int revents) |
1736 | ev_invoke (EV_P_ void *w, int revents) |
1203 | { |
1737 | { |
1204 | EV_CB_INVOKE ((W)w, revents); |
1738 | EV_CB_INVOKE ((W)w, revents); |
1205 | } |
1739 | } |
1206 | |
1740 | |
1207 | void inline_speed |
1741 | inline_speed void |
1208 | call_pending (EV_P) |
1742 | call_pending (EV_P) |
1209 | { |
1743 | { |
1210 | int pri; |
1744 | int pri; |
1211 | |
1745 | |
1212 | for (pri = NUMPRI; pri--; ) |
1746 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1214 | { |
1748 | { |
1215 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1749 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1216 | |
1750 | |
1217 | if (expect_true (p->w)) |
1751 | if (expect_true (p->w)) |
1218 | { |
1752 | { |
1219 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1753 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
1220 | |
1754 | |
1221 | p->w->pending = 0; |
1755 | p->w->pending = 0; |
1222 | EV_CB_INVOKE (p->w, p->events); |
1756 | EV_CB_INVOKE (p->w, p->events); |
|
|
1757 | EV_FREQUENT_CHECK; |
1223 | } |
1758 | } |
1224 | } |
1759 | } |
1225 | } |
1760 | } |
1226 | |
1761 | |
1227 | void inline_size |
|
|
1228 | timers_reify (EV_P) |
|
|
1229 | { |
|
|
1230 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1231 | { |
|
|
1232 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1233 | |
|
|
1234 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1235 | |
|
|
1236 | /* first reschedule or stop timer */ |
|
|
1237 | if (w->repeat) |
|
|
1238 | { |
|
|
1239 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1240 | |
|
|
1241 | ((WT)w)->at += w->repeat; |
|
|
1242 | if (((WT)w)->at < mn_now) |
|
|
1243 | ((WT)w)->at = mn_now; |
|
|
1244 | |
|
|
1245 | downheap (timers, timercnt, 0); |
|
|
1246 | } |
|
|
1247 | else |
|
|
1248 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1249 | |
|
|
1250 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1251 | } |
|
|
1252 | } |
|
|
1253 | |
|
|
1254 | #if EV_PERIODIC_ENABLE |
|
|
1255 | void inline_size |
|
|
1256 | periodics_reify (EV_P) |
|
|
1257 | { |
|
|
1258 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1259 | { |
|
|
1260 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1261 | |
|
|
1262 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1263 | |
|
|
1264 | /* first reschedule or stop timer */ |
|
|
1265 | if (w->reschedule_cb) |
|
|
1266 | { |
|
|
1267 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1268 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1269 | downheap (periodics, periodiccnt, 0); |
|
|
1270 | } |
|
|
1271 | else if (w->interval) |
|
|
1272 | { |
|
|
1273 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1274 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1275 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1276 | downheap (periodics, periodiccnt, 0); |
|
|
1277 | } |
|
|
1278 | else |
|
|
1279 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1280 | |
|
|
1281 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1282 | } |
|
|
1283 | } |
|
|
1284 | |
|
|
1285 | static void noinline |
|
|
1286 | periodics_reschedule (EV_P) |
|
|
1287 | { |
|
|
1288 | int i; |
|
|
1289 | |
|
|
1290 | /* adjust periodics after time jump */ |
|
|
1291 | for (i = 0; i < periodiccnt; ++i) |
|
|
1292 | { |
|
|
1293 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1294 | |
|
|
1295 | if (w->reschedule_cb) |
|
|
1296 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1297 | else if (w->interval) |
|
|
1298 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1299 | } |
|
|
1300 | |
|
|
1301 | /* now rebuild the heap */ |
|
|
1302 | for (i = periodiccnt >> 1; i--; ) |
|
|
1303 | downheap (periodics, periodiccnt, i); |
|
|
1304 | } |
|
|
1305 | #endif |
|
|
1306 | |
|
|
1307 | #if EV_IDLE_ENABLE |
1762 | #if EV_IDLE_ENABLE |
1308 | void inline_size |
1763 | inline_size void |
1309 | idle_reify (EV_P) |
1764 | idle_reify (EV_P) |
1310 | { |
1765 | { |
1311 | if (expect_false (idleall)) |
1766 | if (expect_false (idleall)) |
1312 | { |
1767 | { |
1313 | int pri; |
1768 | int pri; |
… | |
… | |
1325 | } |
1780 | } |
1326 | } |
1781 | } |
1327 | } |
1782 | } |
1328 | #endif |
1783 | #endif |
1329 | |
1784 | |
1330 | void inline_speed |
1785 | inline_size void |
|
|
1786 | timers_reify (EV_P) |
|
|
1787 | { |
|
|
1788 | EV_FREQUENT_CHECK; |
|
|
1789 | |
|
|
1790 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1791 | { |
|
|
1792 | do |
|
|
1793 | { |
|
|
1794 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1795 | |
|
|
1796 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1797 | |
|
|
1798 | /* first reschedule or stop timer */ |
|
|
1799 | if (w->repeat) |
|
|
1800 | { |
|
|
1801 | ev_at (w) += w->repeat; |
|
|
1802 | if (ev_at (w) < mn_now) |
|
|
1803 | ev_at (w) = mn_now; |
|
|
1804 | |
|
|
1805 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1806 | |
|
|
1807 | ANHE_at_cache (timers [HEAP0]); |
|
|
1808 | downheap (timers, timercnt, HEAP0); |
|
|
1809 | } |
|
|
1810 | else |
|
|
1811 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1812 | |
|
|
1813 | EV_FREQUENT_CHECK; |
|
|
1814 | feed_reverse (EV_A_ (W)w); |
|
|
1815 | } |
|
|
1816 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
|
|
1817 | |
|
|
1818 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
|
|
1819 | } |
|
|
1820 | } |
|
|
1821 | |
|
|
1822 | #if EV_PERIODIC_ENABLE |
|
|
1823 | inline_size void |
|
|
1824 | periodics_reify (EV_P) |
|
|
1825 | { |
|
|
1826 | EV_FREQUENT_CHECK; |
|
|
1827 | |
|
|
1828 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1829 | { |
|
|
1830 | int feed_count = 0; |
|
|
1831 | |
|
|
1832 | do |
|
|
1833 | { |
|
|
1834 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1835 | |
|
|
1836 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1837 | |
|
|
1838 | /* first reschedule or stop timer */ |
|
|
1839 | if (w->reschedule_cb) |
|
|
1840 | { |
|
|
1841 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1842 | |
|
|
1843 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1844 | |
|
|
1845 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1846 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1847 | } |
|
|
1848 | else if (w->interval) |
|
|
1849 | { |
|
|
1850 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1851 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1852 | /* this might happen because of floating point inexactness */ |
|
|
1853 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1854 | { |
|
|
1855 | ev_at (w) += w->interval; |
|
|
1856 | |
|
|
1857 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1858 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1859 | /* has effectively asked to get triggered more often than possible */ |
|
|
1860 | if (ev_at (w) < ev_rt_now) |
|
|
1861 | ev_at (w) = ev_rt_now; |
|
|
1862 | } |
|
|
1863 | |
|
|
1864 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1865 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1866 | } |
|
|
1867 | else |
|
|
1868 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1869 | |
|
|
1870 | EV_FREQUENT_CHECK; |
|
|
1871 | feed_reverse (EV_A_ (W)w); |
|
|
1872 | } |
|
|
1873 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
|
|
1874 | |
|
|
1875 | feed_reverse_done (EV_A_ EV_PERIODIC); |
|
|
1876 | } |
|
|
1877 | } |
|
|
1878 | |
|
|
1879 | static void noinline |
|
|
1880 | periodics_reschedule (EV_P) |
|
|
1881 | { |
|
|
1882 | int i; |
|
|
1883 | |
|
|
1884 | /* adjust periodics after time jump */ |
|
|
1885 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1886 | { |
|
|
1887 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1888 | |
|
|
1889 | if (w->reschedule_cb) |
|
|
1890 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1891 | else if (w->interval) |
|
|
1892 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1893 | |
|
|
1894 | ANHE_at_cache (periodics [i]); |
|
|
1895 | } |
|
|
1896 | |
|
|
1897 | reheap (periodics, periodiccnt); |
|
|
1898 | } |
|
|
1899 | #endif |
|
|
1900 | |
|
|
1901 | static void noinline |
|
|
1902 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
1903 | { |
|
|
1904 | int i; |
|
|
1905 | |
|
|
1906 | for (i = 0; i < timercnt; ++i) |
|
|
1907 | { |
|
|
1908 | ANHE *he = timers + i + HEAP0; |
|
|
1909 | ANHE_w (*he)->at += adjust; |
|
|
1910 | ANHE_at_cache (*he); |
|
|
1911 | } |
|
|
1912 | } |
|
|
1913 | |
|
|
1914 | inline_speed void |
1331 | time_update (EV_P_ ev_tstamp max_block) |
1915 | time_update (EV_P_ ev_tstamp max_block) |
1332 | { |
1916 | { |
1333 | int i; |
1917 | int i; |
1334 | |
1918 | |
1335 | #if EV_USE_MONOTONIC |
1919 | #if EV_USE_MONOTONIC |
… | |
… | |
1360 | */ |
1944 | */ |
1361 | for (i = 4; --i; ) |
1945 | for (i = 4; --i; ) |
1362 | { |
1946 | { |
1363 | rtmn_diff = ev_rt_now - mn_now; |
1947 | rtmn_diff = ev_rt_now - mn_now; |
1364 | |
1948 | |
1365 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1949 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1366 | return; /* all is well */ |
1950 | return; /* all is well */ |
1367 | |
1951 | |
1368 | ev_rt_now = ev_time (); |
1952 | ev_rt_now = ev_time (); |
1369 | mn_now = get_clock (); |
1953 | mn_now = get_clock (); |
1370 | now_floor = mn_now; |
1954 | now_floor = mn_now; |
1371 | } |
1955 | } |
1372 | |
1956 | |
|
|
1957 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1958 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1373 | # if EV_PERIODIC_ENABLE |
1959 | # if EV_PERIODIC_ENABLE |
1374 | periodics_reschedule (EV_A); |
1960 | periodics_reschedule (EV_A); |
1375 | # endif |
1961 | # endif |
1376 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1377 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1378 | } |
1962 | } |
1379 | else |
1963 | else |
1380 | #endif |
1964 | #endif |
1381 | { |
1965 | { |
1382 | ev_rt_now = ev_time (); |
1966 | ev_rt_now = ev_time (); |
1383 | |
1967 | |
1384 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1968 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1385 | { |
1969 | { |
|
|
1970 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1971 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1386 | #if EV_PERIODIC_ENABLE |
1972 | #if EV_PERIODIC_ENABLE |
1387 | periodics_reschedule (EV_A); |
1973 | periodics_reschedule (EV_A); |
1388 | #endif |
1974 | #endif |
1389 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1390 | for (i = 0; i < timercnt; ++i) |
|
|
1391 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
|
|
1392 | } |
1975 | } |
1393 | |
1976 | |
1394 | mn_now = ev_rt_now; |
1977 | mn_now = ev_rt_now; |
1395 | } |
1978 | } |
1396 | } |
1979 | } |
1397 | |
1980 | |
1398 | void |
|
|
1399 | ev_ref (EV_P) |
|
|
1400 | { |
|
|
1401 | ++activecnt; |
|
|
1402 | } |
|
|
1403 | |
|
|
1404 | void |
|
|
1405 | ev_unref (EV_P) |
|
|
1406 | { |
|
|
1407 | --activecnt; |
|
|
1408 | } |
|
|
1409 | |
|
|
1410 | static int loop_done; |
1981 | static int loop_done; |
1411 | |
1982 | |
1412 | void |
1983 | void |
1413 | ev_loop (EV_P_ int flags) |
1984 | ev_loop (EV_P_ int flags) |
1414 | { |
1985 | { |
1415 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1986 | loop_done = EVUNLOOP_CANCEL; |
1416 | ? EVUNLOOP_ONE |
|
|
1417 | : EVUNLOOP_CANCEL; |
|
|
1418 | |
1987 | |
1419 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1988 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1420 | |
1989 | |
1421 | do |
1990 | do |
1422 | { |
1991 | { |
|
|
1992 | #if EV_VERIFY >= 2 |
|
|
1993 | ev_loop_verify (EV_A); |
|
|
1994 | #endif |
|
|
1995 | |
1423 | #ifndef _WIN32 |
1996 | #ifndef _WIN32 |
1424 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1997 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1425 | if (expect_false (getpid () != curpid)) |
1998 | if (expect_false (getpid () != curpid)) |
1426 | { |
1999 | { |
1427 | curpid = getpid (); |
2000 | curpid = getpid (); |
… | |
… | |
1444 | { |
2017 | { |
1445 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2018 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1446 | call_pending (EV_A); |
2019 | call_pending (EV_A); |
1447 | } |
2020 | } |
1448 | |
2021 | |
1449 | if (expect_false (!activecnt)) |
|
|
1450 | break; |
|
|
1451 | |
|
|
1452 | /* we might have forked, so reify kernel state if necessary */ |
2022 | /* we might have forked, so reify kernel state if necessary */ |
1453 | if (expect_false (postfork)) |
2023 | if (expect_false (postfork)) |
1454 | loop_fork (EV_A); |
2024 | loop_fork (EV_A); |
1455 | |
2025 | |
1456 | /* update fd-related kernel structures */ |
2026 | /* update fd-related kernel structures */ |
1457 | fd_reify (EV_A); |
2027 | fd_reify (EV_A); |
1458 | |
2028 | |
1459 | /* calculate blocking time */ |
2029 | /* calculate blocking time */ |
1460 | { |
2030 | { |
1461 | ev_tstamp block; |
2031 | ev_tstamp waittime = 0.; |
|
|
2032 | ev_tstamp sleeptime = 0.; |
1462 | |
2033 | |
1463 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
2034 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1464 | block = 0.; /* do not block at all */ |
|
|
1465 | else |
|
|
1466 | { |
2035 | { |
1467 | /* update time to cancel out callback processing overhead */ |
2036 | /* update time to cancel out callback processing overhead */ |
1468 | time_update (EV_A_ 1e100); |
2037 | time_update (EV_A_ 1e100); |
1469 | |
2038 | |
1470 | block = MAX_BLOCKTIME; |
2039 | waittime = MAX_BLOCKTIME; |
1471 | |
2040 | |
1472 | if (timercnt) |
2041 | if (timercnt) |
1473 | { |
2042 | { |
1474 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
2043 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1475 | if (block > to) block = to; |
2044 | if (waittime > to) waittime = to; |
1476 | } |
2045 | } |
1477 | |
2046 | |
1478 | #if EV_PERIODIC_ENABLE |
2047 | #if EV_PERIODIC_ENABLE |
1479 | if (periodiccnt) |
2048 | if (periodiccnt) |
1480 | { |
2049 | { |
1481 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
2050 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1482 | if (block > to) block = to; |
2051 | if (waittime > to) waittime = to; |
1483 | } |
2052 | } |
1484 | #endif |
2053 | #endif |
1485 | |
2054 | |
1486 | if (expect_false (block < 0.)) block = 0.; |
2055 | if (expect_false (waittime < timeout_blocktime)) |
|
|
2056 | waittime = timeout_blocktime; |
|
|
2057 | |
|
|
2058 | sleeptime = waittime - backend_fudge; |
|
|
2059 | |
|
|
2060 | if (expect_true (sleeptime > io_blocktime)) |
|
|
2061 | sleeptime = io_blocktime; |
|
|
2062 | |
|
|
2063 | if (sleeptime) |
|
|
2064 | { |
|
|
2065 | ev_sleep (sleeptime); |
|
|
2066 | waittime -= sleeptime; |
|
|
2067 | } |
1487 | } |
2068 | } |
1488 | |
2069 | |
1489 | ++loop_count; |
2070 | ++loop_count; |
1490 | backend_poll (EV_A_ block); |
2071 | backend_poll (EV_A_ waittime); |
1491 | |
2072 | |
1492 | /* update ev_rt_now, do magic */ |
2073 | /* update ev_rt_now, do magic */ |
1493 | time_update (EV_A_ block); |
2074 | time_update (EV_A_ waittime + sleeptime); |
1494 | } |
2075 | } |
1495 | |
2076 | |
1496 | /* queue pending timers and reschedule them */ |
2077 | /* queue pending timers and reschedule them */ |
1497 | timers_reify (EV_A); /* relative timers called last */ |
2078 | timers_reify (EV_A); /* relative timers called last */ |
1498 | #if EV_PERIODIC_ENABLE |
2079 | #if EV_PERIODIC_ENABLE |
… | |
… | |
1507 | /* queue check watchers, to be executed first */ |
2088 | /* queue check watchers, to be executed first */ |
1508 | if (expect_false (checkcnt)) |
2089 | if (expect_false (checkcnt)) |
1509 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2090 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1510 | |
2091 | |
1511 | call_pending (EV_A); |
2092 | call_pending (EV_A); |
1512 | |
|
|
1513 | } |
2093 | } |
1514 | while (expect_true (activecnt && !loop_done)); |
2094 | while (expect_true ( |
|
|
2095 | activecnt |
|
|
2096 | && !loop_done |
|
|
2097 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
2098 | )); |
1515 | |
2099 | |
1516 | if (loop_done == EVUNLOOP_ONE) |
2100 | if (loop_done == EVUNLOOP_ONE) |
1517 | loop_done = EVUNLOOP_CANCEL; |
2101 | loop_done = EVUNLOOP_CANCEL; |
1518 | } |
2102 | } |
1519 | |
2103 | |
… | |
… | |
1521 | ev_unloop (EV_P_ int how) |
2105 | ev_unloop (EV_P_ int how) |
1522 | { |
2106 | { |
1523 | loop_done = how; |
2107 | loop_done = how; |
1524 | } |
2108 | } |
1525 | |
2109 | |
|
|
2110 | void |
|
|
2111 | ev_ref (EV_P) |
|
|
2112 | { |
|
|
2113 | ++activecnt; |
|
|
2114 | } |
|
|
2115 | |
|
|
2116 | void |
|
|
2117 | ev_unref (EV_P) |
|
|
2118 | { |
|
|
2119 | --activecnt; |
|
|
2120 | } |
|
|
2121 | |
|
|
2122 | void |
|
|
2123 | ev_now_update (EV_P) |
|
|
2124 | { |
|
|
2125 | time_update (EV_A_ 1e100); |
|
|
2126 | } |
|
|
2127 | |
|
|
2128 | void |
|
|
2129 | ev_suspend (EV_P) |
|
|
2130 | { |
|
|
2131 | ev_now_update (EV_A); |
|
|
2132 | } |
|
|
2133 | |
|
|
2134 | void |
|
|
2135 | ev_resume (EV_P) |
|
|
2136 | { |
|
|
2137 | ev_tstamp mn_prev = mn_now; |
|
|
2138 | |
|
|
2139 | ev_now_update (EV_A); |
|
|
2140 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2141 | #if EV_PERIODIC_ENABLE |
|
|
2142 | periodics_reschedule (EV_A); |
|
|
2143 | #endif |
|
|
2144 | } |
|
|
2145 | |
1526 | /*****************************************************************************/ |
2146 | /*****************************************************************************/ |
1527 | |
2147 | |
1528 | void inline_size |
2148 | inline_size void |
1529 | wlist_add (WL *head, WL elem) |
2149 | wlist_add (WL *head, WL elem) |
1530 | { |
2150 | { |
1531 | elem->next = *head; |
2151 | elem->next = *head; |
1532 | *head = elem; |
2152 | *head = elem; |
1533 | } |
2153 | } |
1534 | |
2154 | |
1535 | void inline_size |
2155 | inline_size void |
1536 | wlist_del (WL *head, WL elem) |
2156 | wlist_del (WL *head, WL elem) |
1537 | { |
2157 | { |
1538 | while (*head) |
2158 | while (*head) |
1539 | { |
2159 | { |
1540 | if (*head == elem) |
2160 | if (*head == elem) |
… | |
… | |
1545 | |
2165 | |
1546 | head = &(*head)->next; |
2166 | head = &(*head)->next; |
1547 | } |
2167 | } |
1548 | } |
2168 | } |
1549 | |
2169 | |
1550 | void inline_speed |
2170 | inline_speed void |
1551 | clear_pending (EV_P_ W w) |
2171 | clear_pending (EV_P_ W w) |
1552 | { |
2172 | { |
1553 | if (w->pending) |
2173 | if (w->pending) |
1554 | { |
2174 | { |
1555 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2175 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
… | |
… | |
1572 | } |
2192 | } |
1573 | else |
2193 | else |
1574 | return 0; |
2194 | return 0; |
1575 | } |
2195 | } |
1576 | |
2196 | |
1577 | void inline_size |
2197 | inline_size void |
1578 | pri_adjust (EV_P_ W w) |
2198 | pri_adjust (EV_P_ W w) |
1579 | { |
2199 | { |
1580 | int pri = w->priority; |
2200 | int pri = w->priority; |
1581 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2201 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
1582 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2202 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
1583 | w->priority = pri; |
2203 | w->priority = pri; |
1584 | } |
2204 | } |
1585 | |
2205 | |
1586 | void inline_speed |
2206 | inline_speed void |
1587 | ev_start (EV_P_ W w, int active) |
2207 | ev_start (EV_P_ W w, int active) |
1588 | { |
2208 | { |
1589 | pri_adjust (EV_A_ w); |
2209 | pri_adjust (EV_A_ w); |
1590 | w->active = active; |
2210 | w->active = active; |
1591 | ev_ref (EV_A); |
2211 | ev_ref (EV_A); |
1592 | } |
2212 | } |
1593 | |
2213 | |
1594 | void inline_size |
2214 | inline_size void |
1595 | ev_stop (EV_P_ W w) |
2215 | ev_stop (EV_P_ W w) |
1596 | { |
2216 | { |
1597 | ev_unref (EV_A); |
2217 | ev_unref (EV_A); |
1598 | w->active = 0; |
2218 | w->active = 0; |
1599 | } |
2219 | } |
… | |
… | |
1606 | int fd = w->fd; |
2226 | int fd = w->fd; |
1607 | |
2227 | |
1608 | if (expect_false (ev_is_active (w))) |
2228 | if (expect_false (ev_is_active (w))) |
1609 | return; |
2229 | return; |
1610 | |
2230 | |
1611 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2231 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2232 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2233 | |
|
|
2234 | EV_FREQUENT_CHECK; |
1612 | |
2235 | |
1613 | ev_start (EV_A_ (W)w, 1); |
2236 | ev_start (EV_A_ (W)w, 1); |
1614 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2237 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1615 | wlist_add (&anfds[fd].head, (WL)w); |
2238 | wlist_add (&anfds[fd].head, (WL)w); |
1616 | |
2239 | |
1617 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2240 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
1618 | w->events &= ~EV_IOFDSET; |
2241 | w->events &= ~EV__IOFDSET; |
|
|
2242 | |
|
|
2243 | EV_FREQUENT_CHECK; |
1619 | } |
2244 | } |
1620 | |
2245 | |
1621 | void noinline |
2246 | void noinline |
1622 | ev_io_stop (EV_P_ ev_io *w) |
2247 | ev_io_stop (EV_P_ ev_io *w) |
1623 | { |
2248 | { |
1624 | clear_pending (EV_A_ (W)w); |
2249 | clear_pending (EV_A_ (W)w); |
1625 | if (expect_false (!ev_is_active (w))) |
2250 | if (expect_false (!ev_is_active (w))) |
1626 | return; |
2251 | return; |
1627 | |
2252 | |
1628 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2253 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2254 | |
|
|
2255 | EV_FREQUENT_CHECK; |
1629 | |
2256 | |
1630 | wlist_del (&anfds[w->fd].head, (WL)w); |
2257 | wlist_del (&anfds[w->fd].head, (WL)w); |
1631 | ev_stop (EV_A_ (W)w); |
2258 | ev_stop (EV_A_ (W)w); |
1632 | |
2259 | |
1633 | fd_change (EV_A_ w->fd, 1); |
2260 | fd_change (EV_A_ w->fd, 1); |
|
|
2261 | |
|
|
2262 | EV_FREQUENT_CHECK; |
1634 | } |
2263 | } |
1635 | |
2264 | |
1636 | void noinline |
2265 | void noinline |
1637 | ev_timer_start (EV_P_ ev_timer *w) |
2266 | ev_timer_start (EV_P_ ev_timer *w) |
1638 | { |
2267 | { |
1639 | if (expect_false (ev_is_active (w))) |
2268 | if (expect_false (ev_is_active (w))) |
1640 | return; |
2269 | return; |
1641 | |
2270 | |
1642 | ((WT)w)->at += mn_now; |
2271 | ev_at (w) += mn_now; |
1643 | |
2272 | |
1644 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2273 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1645 | |
2274 | |
|
|
2275 | EV_FREQUENT_CHECK; |
|
|
2276 | |
|
|
2277 | ++timercnt; |
1646 | ev_start (EV_A_ (W)w, ++timercnt); |
2278 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1647 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2279 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1648 | timers [timercnt - 1] = (WT)w; |
2280 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1649 | upheap (timers, timercnt - 1); |
2281 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2282 | upheap (timers, ev_active (w)); |
1650 | |
2283 | |
|
|
2284 | EV_FREQUENT_CHECK; |
|
|
2285 | |
1651 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2286 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1652 | } |
2287 | } |
1653 | |
2288 | |
1654 | void noinline |
2289 | void noinline |
1655 | ev_timer_stop (EV_P_ ev_timer *w) |
2290 | ev_timer_stop (EV_P_ ev_timer *w) |
1656 | { |
2291 | { |
1657 | clear_pending (EV_A_ (W)w); |
2292 | clear_pending (EV_A_ (W)w); |
1658 | if (expect_false (!ev_is_active (w))) |
2293 | if (expect_false (!ev_is_active (w))) |
1659 | return; |
2294 | return; |
1660 | |
2295 | |
1661 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2296 | EV_FREQUENT_CHECK; |
1662 | |
2297 | |
1663 | { |
2298 | { |
1664 | int active = ((W)w)->active; |
2299 | int active = ev_active (w); |
1665 | |
2300 | |
|
|
2301 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2302 | |
|
|
2303 | --timercnt; |
|
|
2304 | |
1666 | if (expect_true (--active < --timercnt)) |
2305 | if (expect_true (active < timercnt + HEAP0)) |
1667 | { |
2306 | { |
1668 | timers [active] = timers [timercnt]; |
2307 | timers [active] = timers [timercnt + HEAP0]; |
1669 | adjustheap (timers, timercnt, active); |
2308 | adjustheap (timers, timercnt, active); |
1670 | } |
2309 | } |
1671 | } |
2310 | } |
1672 | |
2311 | |
1673 | ((WT)w)->at -= mn_now; |
2312 | EV_FREQUENT_CHECK; |
|
|
2313 | |
|
|
2314 | ev_at (w) -= mn_now; |
1674 | |
2315 | |
1675 | ev_stop (EV_A_ (W)w); |
2316 | ev_stop (EV_A_ (W)w); |
1676 | } |
2317 | } |
1677 | |
2318 | |
1678 | void noinline |
2319 | void noinline |
1679 | ev_timer_again (EV_P_ ev_timer *w) |
2320 | ev_timer_again (EV_P_ ev_timer *w) |
1680 | { |
2321 | { |
|
|
2322 | EV_FREQUENT_CHECK; |
|
|
2323 | |
1681 | if (ev_is_active (w)) |
2324 | if (ev_is_active (w)) |
1682 | { |
2325 | { |
1683 | if (w->repeat) |
2326 | if (w->repeat) |
1684 | { |
2327 | { |
1685 | ((WT)w)->at = mn_now + w->repeat; |
2328 | ev_at (w) = mn_now + w->repeat; |
|
|
2329 | ANHE_at_cache (timers [ev_active (w)]); |
1686 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2330 | adjustheap (timers, timercnt, ev_active (w)); |
1687 | } |
2331 | } |
1688 | else |
2332 | else |
1689 | ev_timer_stop (EV_A_ w); |
2333 | ev_timer_stop (EV_A_ w); |
1690 | } |
2334 | } |
1691 | else if (w->repeat) |
2335 | else if (w->repeat) |
1692 | { |
2336 | { |
1693 | w->at = w->repeat; |
2337 | ev_at (w) = w->repeat; |
1694 | ev_timer_start (EV_A_ w); |
2338 | ev_timer_start (EV_A_ w); |
1695 | } |
2339 | } |
|
|
2340 | |
|
|
2341 | EV_FREQUENT_CHECK; |
1696 | } |
2342 | } |
1697 | |
2343 | |
1698 | #if EV_PERIODIC_ENABLE |
2344 | #if EV_PERIODIC_ENABLE |
1699 | void noinline |
2345 | void noinline |
1700 | ev_periodic_start (EV_P_ ev_periodic *w) |
2346 | ev_periodic_start (EV_P_ ev_periodic *w) |
1701 | { |
2347 | { |
1702 | if (expect_false (ev_is_active (w))) |
2348 | if (expect_false (ev_is_active (w))) |
1703 | return; |
2349 | return; |
1704 | |
2350 | |
1705 | if (w->reschedule_cb) |
2351 | if (w->reschedule_cb) |
1706 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2352 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1707 | else if (w->interval) |
2353 | else if (w->interval) |
1708 | { |
2354 | { |
1709 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2355 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1710 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2356 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1711 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2357 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1712 | } |
2358 | } |
1713 | else |
2359 | else |
1714 | ((WT)w)->at = w->offset; |
2360 | ev_at (w) = w->offset; |
1715 | |
2361 | |
|
|
2362 | EV_FREQUENT_CHECK; |
|
|
2363 | |
|
|
2364 | ++periodiccnt; |
1716 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2365 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1717 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2366 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1718 | periodics [periodiccnt - 1] = (WT)w; |
2367 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1719 | upheap (periodics, periodiccnt - 1); |
2368 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2369 | upheap (periodics, ev_active (w)); |
1720 | |
2370 | |
|
|
2371 | EV_FREQUENT_CHECK; |
|
|
2372 | |
1721 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2373 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1722 | } |
2374 | } |
1723 | |
2375 | |
1724 | void noinline |
2376 | void noinline |
1725 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2377 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1726 | { |
2378 | { |
1727 | clear_pending (EV_A_ (W)w); |
2379 | clear_pending (EV_A_ (W)w); |
1728 | if (expect_false (!ev_is_active (w))) |
2380 | if (expect_false (!ev_is_active (w))) |
1729 | return; |
2381 | return; |
1730 | |
2382 | |
1731 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2383 | EV_FREQUENT_CHECK; |
1732 | |
2384 | |
1733 | { |
2385 | { |
1734 | int active = ((W)w)->active; |
2386 | int active = ev_active (w); |
1735 | |
2387 | |
|
|
2388 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2389 | |
|
|
2390 | --periodiccnt; |
|
|
2391 | |
1736 | if (expect_true (--active < --periodiccnt)) |
2392 | if (expect_true (active < periodiccnt + HEAP0)) |
1737 | { |
2393 | { |
1738 | periodics [active] = periodics [periodiccnt]; |
2394 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1739 | adjustheap (periodics, periodiccnt, active); |
2395 | adjustheap (periodics, periodiccnt, active); |
1740 | } |
2396 | } |
1741 | } |
2397 | } |
1742 | |
2398 | |
|
|
2399 | EV_FREQUENT_CHECK; |
|
|
2400 | |
1743 | ev_stop (EV_A_ (W)w); |
2401 | ev_stop (EV_A_ (W)w); |
1744 | } |
2402 | } |
1745 | |
2403 | |
1746 | void noinline |
2404 | void noinline |
1747 | ev_periodic_again (EV_P_ ev_periodic *w) |
2405 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1758 | |
2416 | |
1759 | void noinline |
2417 | void noinline |
1760 | ev_signal_start (EV_P_ ev_signal *w) |
2418 | ev_signal_start (EV_P_ ev_signal *w) |
1761 | { |
2419 | { |
1762 | #if EV_MULTIPLICITY |
2420 | #if EV_MULTIPLICITY |
1763 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2421 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1764 | #endif |
2422 | #endif |
1765 | if (expect_false (ev_is_active (w))) |
2423 | if (expect_false (ev_is_active (w))) |
1766 | return; |
2424 | return; |
1767 | |
2425 | |
1768 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2426 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
|
|
2427 | |
|
|
2428 | evpipe_init (EV_A); |
|
|
2429 | |
|
|
2430 | EV_FREQUENT_CHECK; |
1769 | |
2431 | |
1770 | { |
2432 | { |
1771 | #ifndef _WIN32 |
2433 | #ifndef _WIN32 |
1772 | sigset_t full, prev; |
2434 | sigset_t full, prev; |
1773 | sigfillset (&full); |
2435 | sigfillset (&full); |
1774 | sigprocmask (SIG_SETMASK, &full, &prev); |
2436 | sigprocmask (SIG_SETMASK, &full, &prev); |
1775 | #endif |
2437 | #endif |
1776 | |
2438 | |
1777 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2439 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
1778 | |
2440 | |
1779 | #ifndef _WIN32 |
2441 | #ifndef _WIN32 |
1780 | sigprocmask (SIG_SETMASK, &prev, 0); |
2442 | sigprocmask (SIG_SETMASK, &prev, 0); |
1781 | #endif |
2443 | #endif |
1782 | } |
2444 | } |
… | |
… | |
1785 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2447 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1786 | |
2448 | |
1787 | if (!((WL)w)->next) |
2449 | if (!((WL)w)->next) |
1788 | { |
2450 | { |
1789 | #if _WIN32 |
2451 | #if _WIN32 |
1790 | signal (w->signum, sighandler); |
2452 | signal (w->signum, ev_sighandler); |
1791 | #else |
2453 | #else |
1792 | struct sigaction sa; |
2454 | struct sigaction sa; |
1793 | sa.sa_handler = sighandler; |
2455 | sa.sa_handler = ev_sighandler; |
1794 | sigfillset (&sa.sa_mask); |
2456 | sigfillset (&sa.sa_mask); |
1795 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2457 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1796 | sigaction (w->signum, &sa, 0); |
2458 | sigaction (w->signum, &sa, 0); |
1797 | #endif |
2459 | #endif |
1798 | } |
2460 | } |
|
|
2461 | |
|
|
2462 | EV_FREQUENT_CHECK; |
1799 | } |
2463 | } |
1800 | |
2464 | |
1801 | void noinline |
2465 | void noinline |
1802 | ev_signal_stop (EV_P_ ev_signal *w) |
2466 | ev_signal_stop (EV_P_ ev_signal *w) |
1803 | { |
2467 | { |
1804 | clear_pending (EV_A_ (W)w); |
2468 | clear_pending (EV_A_ (W)w); |
1805 | if (expect_false (!ev_is_active (w))) |
2469 | if (expect_false (!ev_is_active (w))) |
1806 | return; |
2470 | return; |
1807 | |
2471 | |
|
|
2472 | EV_FREQUENT_CHECK; |
|
|
2473 | |
1808 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2474 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1809 | ev_stop (EV_A_ (W)w); |
2475 | ev_stop (EV_A_ (W)w); |
1810 | |
2476 | |
1811 | if (!signals [w->signum - 1].head) |
2477 | if (!signals [w->signum - 1].head) |
1812 | signal (w->signum, SIG_DFL); |
2478 | signal (w->signum, SIG_DFL); |
|
|
2479 | |
|
|
2480 | EV_FREQUENT_CHECK; |
1813 | } |
2481 | } |
1814 | |
2482 | |
1815 | void |
2483 | void |
1816 | ev_child_start (EV_P_ ev_child *w) |
2484 | ev_child_start (EV_P_ ev_child *w) |
1817 | { |
2485 | { |
1818 | #if EV_MULTIPLICITY |
2486 | #if EV_MULTIPLICITY |
1819 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2487 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1820 | #endif |
2488 | #endif |
1821 | if (expect_false (ev_is_active (w))) |
2489 | if (expect_false (ev_is_active (w))) |
1822 | return; |
2490 | return; |
1823 | |
2491 | |
|
|
2492 | EV_FREQUENT_CHECK; |
|
|
2493 | |
1824 | ev_start (EV_A_ (W)w, 1); |
2494 | ev_start (EV_A_ (W)w, 1); |
1825 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2495 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2496 | |
|
|
2497 | EV_FREQUENT_CHECK; |
1826 | } |
2498 | } |
1827 | |
2499 | |
1828 | void |
2500 | void |
1829 | ev_child_stop (EV_P_ ev_child *w) |
2501 | ev_child_stop (EV_P_ ev_child *w) |
1830 | { |
2502 | { |
1831 | clear_pending (EV_A_ (W)w); |
2503 | clear_pending (EV_A_ (W)w); |
1832 | if (expect_false (!ev_is_active (w))) |
2504 | if (expect_false (!ev_is_active (w))) |
1833 | return; |
2505 | return; |
1834 | |
2506 | |
|
|
2507 | EV_FREQUENT_CHECK; |
|
|
2508 | |
1835 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2509 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1836 | ev_stop (EV_A_ (W)w); |
2510 | ev_stop (EV_A_ (W)w); |
|
|
2511 | |
|
|
2512 | EV_FREQUENT_CHECK; |
1837 | } |
2513 | } |
1838 | |
2514 | |
1839 | #if EV_STAT_ENABLE |
2515 | #if EV_STAT_ENABLE |
1840 | |
2516 | |
1841 | # ifdef _WIN32 |
2517 | # ifdef _WIN32 |
1842 | # undef lstat |
2518 | # undef lstat |
1843 | # define lstat(a,b) _stati64 (a,b) |
2519 | # define lstat(a,b) _stati64 (a,b) |
1844 | # endif |
2520 | # endif |
1845 | |
2521 | |
1846 | #define DEF_STAT_INTERVAL 5.0074891 |
2522 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2523 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
1847 | #define MIN_STAT_INTERVAL 0.1074891 |
2524 | #define MIN_STAT_INTERVAL 0.1074891 |
1848 | |
2525 | |
1849 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2526 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1850 | |
2527 | |
1851 | #if EV_USE_INOTIFY |
2528 | #if EV_USE_INOTIFY |
1852 | # define EV_INOTIFY_BUFSIZE 8192 |
2529 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
1856 | { |
2533 | { |
1857 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2534 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
1858 | |
2535 | |
1859 | if (w->wd < 0) |
2536 | if (w->wd < 0) |
1860 | { |
2537 | { |
|
|
2538 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
1861 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2539 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
1862 | |
2540 | |
1863 | /* monitor some parent directory for speedup hints */ |
2541 | /* monitor some parent directory for speedup hints */ |
|
|
2542 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
|
|
2543 | /* but an efficiency issue only */ |
1864 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2544 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
1865 | { |
2545 | { |
1866 | char path [4096]; |
2546 | char path [4096]; |
1867 | strcpy (path, w->path); |
2547 | strcpy (path, w->path); |
1868 | |
2548 | |
… | |
… | |
1871 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2551 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
1872 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2552 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
1873 | |
2553 | |
1874 | char *pend = strrchr (path, '/'); |
2554 | char *pend = strrchr (path, '/'); |
1875 | |
2555 | |
1876 | if (!pend) |
2556 | if (!pend || pend == path) |
1877 | break; /* whoops, no '/', complain to your admin */ |
2557 | break; |
1878 | |
2558 | |
1879 | *pend = 0; |
2559 | *pend = 0; |
1880 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2560 | w->wd = inotify_add_watch (fs_fd, path, mask); |
1881 | } |
2561 | } |
1882 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2562 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
1883 | } |
2563 | } |
1884 | } |
2564 | } |
1885 | else |
|
|
1886 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1887 | |
2565 | |
1888 | if (w->wd >= 0) |
2566 | if (w->wd >= 0) |
|
|
2567 | { |
1889 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2568 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2569 | |
|
|
2570 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2571 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2572 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2573 | struct statfs sfs; |
|
|
2574 | |
|
|
2575 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2576 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2577 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2578 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2579 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2580 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2581 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2582 | return; |
|
|
2583 | |
|
|
2584 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2585 | ev_timer_again (EV_A_ &w->timer); |
|
|
2586 | } |
1890 | } |
2587 | } |
1891 | |
2588 | |
1892 | static void noinline |
2589 | static void noinline |
1893 | infy_del (EV_P_ ev_stat *w) |
2590 | infy_del (EV_P_ ev_stat *w) |
1894 | { |
2591 | { |
… | |
… | |
1908 | |
2605 | |
1909 | static void noinline |
2606 | static void noinline |
1910 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2607 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
1911 | { |
2608 | { |
1912 | if (slot < 0) |
2609 | if (slot < 0) |
1913 | /* overflow, need to check for all hahs slots */ |
2610 | /* overflow, need to check for all hash slots */ |
1914 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2611 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
1915 | infy_wd (EV_A_ slot, wd, ev); |
2612 | infy_wd (EV_A_ slot, wd, ev); |
1916 | else |
2613 | else |
1917 | { |
2614 | { |
1918 | WL w_; |
2615 | WL w_; |
… | |
… | |
1924 | |
2621 | |
1925 | if (w->wd == wd || wd == -1) |
2622 | if (w->wd == wd || wd == -1) |
1926 | { |
2623 | { |
1927 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2624 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
1928 | { |
2625 | { |
|
|
2626 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
1929 | w->wd = -1; |
2627 | w->wd = -1; |
1930 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2628 | infy_add (EV_A_ w); /* re-add, no matter what */ |
1931 | } |
2629 | } |
1932 | |
2630 | |
1933 | stat_timer_cb (EV_A_ &w->timer, 0); |
2631 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
1946 | |
2644 | |
1947 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2645 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
1948 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2646 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
1949 | } |
2647 | } |
1950 | |
2648 | |
1951 | void inline_size |
2649 | inline_size void |
|
|
2650 | check_2625 (EV_P) |
|
|
2651 | { |
|
|
2652 | /* kernels < 2.6.25 are borked |
|
|
2653 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2654 | */ |
|
|
2655 | struct utsname buf; |
|
|
2656 | int major, minor, micro; |
|
|
2657 | |
|
|
2658 | if (uname (&buf)) |
|
|
2659 | return; |
|
|
2660 | |
|
|
2661 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2662 | return; |
|
|
2663 | |
|
|
2664 | if (major < 2 |
|
|
2665 | || (major == 2 && minor < 6) |
|
|
2666 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2667 | return; |
|
|
2668 | |
|
|
2669 | fs_2625 = 1; |
|
|
2670 | } |
|
|
2671 | |
|
|
2672 | inline_size void |
1952 | infy_init (EV_P) |
2673 | infy_init (EV_P) |
1953 | { |
2674 | { |
1954 | if (fs_fd != -2) |
2675 | if (fs_fd != -2) |
1955 | return; |
2676 | return; |
|
|
2677 | |
|
|
2678 | fs_fd = -1; |
|
|
2679 | |
|
|
2680 | check_2625 (EV_A); |
1956 | |
2681 | |
1957 | fs_fd = inotify_init (); |
2682 | fs_fd = inotify_init (); |
1958 | |
2683 | |
1959 | if (fs_fd >= 0) |
2684 | if (fs_fd >= 0) |
1960 | { |
2685 | { |
… | |
… | |
1962 | ev_set_priority (&fs_w, EV_MAXPRI); |
2687 | ev_set_priority (&fs_w, EV_MAXPRI); |
1963 | ev_io_start (EV_A_ &fs_w); |
2688 | ev_io_start (EV_A_ &fs_w); |
1964 | } |
2689 | } |
1965 | } |
2690 | } |
1966 | |
2691 | |
1967 | void inline_size |
2692 | inline_size void |
1968 | infy_fork (EV_P) |
2693 | infy_fork (EV_P) |
1969 | { |
2694 | { |
1970 | int slot; |
2695 | int slot; |
1971 | |
2696 | |
1972 | if (fs_fd < 0) |
2697 | if (fs_fd < 0) |
… | |
… | |
1988 | w->wd = -1; |
2713 | w->wd = -1; |
1989 | |
2714 | |
1990 | if (fs_fd >= 0) |
2715 | if (fs_fd >= 0) |
1991 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2716 | infy_add (EV_A_ w); /* re-add, no matter what */ |
1992 | else |
2717 | else |
1993 | ev_timer_start (EV_A_ &w->timer); |
2718 | ev_timer_again (EV_A_ &w->timer); |
1994 | } |
2719 | } |
1995 | |
|
|
1996 | } |
2720 | } |
1997 | } |
2721 | } |
1998 | |
2722 | |
|
|
2723 | #endif |
|
|
2724 | |
|
|
2725 | #ifdef _WIN32 |
|
|
2726 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2727 | #else |
|
|
2728 | # define EV_LSTAT(p,b) lstat (p, b) |
1999 | #endif |
2729 | #endif |
2000 | |
2730 | |
2001 | void |
2731 | void |
2002 | ev_stat_stat (EV_P_ ev_stat *w) |
2732 | ev_stat_stat (EV_P_ ev_stat *w) |
2003 | { |
2733 | { |
… | |
… | |
2030 | || w->prev.st_atime != w->attr.st_atime |
2760 | || w->prev.st_atime != w->attr.st_atime |
2031 | || w->prev.st_mtime != w->attr.st_mtime |
2761 | || w->prev.st_mtime != w->attr.st_mtime |
2032 | || w->prev.st_ctime != w->attr.st_ctime |
2762 | || w->prev.st_ctime != w->attr.st_ctime |
2033 | ) { |
2763 | ) { |
2034 | #if EV_USE_INOTIFY |
2764 | #if EV_USE_INOTIFY |
|
|
2765 | if (fs_fd >= 0) |
|
|
2766 | { |
2035 | infy_del (EV_A_ w); |
2767 | infy_del (EV_A_ w); |
2036 | infy_add (EV_A_ w); |
2768 | infy_add (EV_A_ w); |
2037 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2769 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2770 | } |
2038 | #endif |
2771 | #endif |
2039 | |
2772 | |
2040 | ev_feed_event (EV_A_ w, EV_STAT); |
2773 | ev_feed_event (EV_A_ w, EV_STAT); |
2041 | } |
2774 | } |
2042 | } |
2775 | } |
… | |
… | |
2045 | ev_stat_start (EV_P_ ev_stat *w) |
2778 | ev_stat_start (EV_P_ ev_stat *w) |
2046 | { |
2779 | { |
2047 | if (expect_false (ev_is_active (w))) |
2780 | if (expect_false (ev_is_active (w))) |
2048 | return; |
2781 | return; |
2049 | |
2782 | |
2050 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2051 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2052 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2053 | |
|
|
2054 | ev_stat_stat (EV_A_ w); |
2783 | ev_stat_stat (EV_A_ w); |
2055 | |
2784 | |
|
|
2785 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2056 | if (w->interval < MIN_STAT_INTERVAL) |
2786 | w->interval = MIN_STAT_INTERVAL; |
2057 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2058 | |
2787 | |
2059 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2788 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2060 | ev_set_priority (&w->timer, ev_priority (w)); |
2789 | ev_set_priority (&w->timer, ev_priority (w)); |
2061 | |
2790 | |
2062 | #if EV_USE_INOTIFY |
2791 | #if EV_USE_INOTIFY |
2063 | infy_init (EV_A); |
2792 | infy_init (EV_A); |
2064 | |
2793 | |
2065 | if (fs_fd >= 0) |
2794 | if (fs_fd >= 0) |
2066 | infy_add (EV_A_ w); |
2795 | infy_add (EV_A_ w); |
2067 | else |
2796 | else |
2068 | #endif |
2797 | #endif |
2069 | ev_timer_start (EV_A_ &w->timer); |
2798 | ev_timer_again (EV_A_ &w->timer); |
2070 | |
2799 | |
2071 | ev_start (EV_A_ (W)w, 1); |
2800 | ev_start (EV_A_ (W)w, 1); |
|
|
2801 | |
|
|
2802 | EV_FREQUENT_CHECK; |
2072 | } |
2803 | } |
2073 | |
2804 | |
2074 | void |
2805 | void |
2075 | ev_stat_stop (EV_P_ ev_stat *w) |
2806 | ev_stat_stop (EV_P_ ev_stat *w) |
2076 | { |
2807 | { |
2077 | clear_pending (EV_A_ (W)w); |
2808 | clear_pending (EV_A_ (W)w); |
2078 | if (expect_false (!ev_is_active (w))) |
2809 | if (expect_false (!ev_is_active (w))) |
2079 | return; |
2810 | return; |
2080 | |
2811 | |
|
|
2812 | EV_FREQUENT_CHECK; |
|
|
2813 | |
2081 | #if EV_USE_INOTIFY |
2814 | #if EV_USE_INOTIFY |
2082 | infy_del (EV_A_ w); |
2815 | infy_del (EV_A_ w); |
2083 | #endif |
2816 | #endif |
2084 | ev_timer_stop (EV_A_ &w->timer); |
2817 | ev_timer_stop (EV_A_ &w->timer); |
2085 | |
2818 | |
2086 | ev_stop (EV_A_ (W)w); |
2819 | ev_stop (EV_A_ (W)w); |
|
|
2820 | |
|
|
2821 | EV_FREQUENT_CHECK; |
2087 | } |
2822 | } |
2088 | #endif |
2823 | #endif |
2089 | |
2824 | |
2090 | #if EV_IDLE_ENABLE |
2825 | #if EV_IDLE_ENABLE |
2091 | void |
2826 | void |
… | |
… | |
2093 | { |
2828 | { |
2094 | if (expect_false (ev_is_active (w))) |
2829 | if (expect_false (ev_is_active (w))) |
2095 | return; |
2830 | return; |
2096 | |
2831 | |
2097 | pri_adjust (EV_A_ (W)w); |
2832 | pri_adjust (EV_A_ (W)w); |
|
|
2833 | |
|
|
2834 | EV_FREQUENT_CHECK; |
2098 | |
2835 | |
2099 | { |
2836 | { |
2100 | int active = ++idlecnt [ABSPRI (w)]; |
2837 | int active = ++idlecnt [ABSPRI (w)]; |
2101 | |
2838 | |
2102 | ++idleall; |
2839 | ++idleall; |
2103 | ev_start (EV_A_ (W)w, active); |
2840 | ev_start (EV_A_ (W)w, active); |
2104 | |
2841 | |
2105 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2842 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2106 | idles [ABSPRI (w)][active - 1] = w; |
2843 | idles [ABSPRI (w)][active - 1] = w; |
2107 | } |
2844 | } |
|
|
2845 | |
|
|
2846 | EV_FREQUENT_CHECK; |
2108 | } |
2847 | } |
2109 | |
2848 | |
2110 | void |
2849 | void |
2111 | ev_idle_stop (EV_P_ ev_idle *w) |
2850 | ev_idle_stop (EV_P_ ev_idle *w) |
2112 | { |
2851 | { |
2113 | clear_pending (EV_A_ (W)w); |
2852 | clear_pending (EV_A_ (W)w); |
2114 | if (expect_false (!ev_is_active (w))) |
2853 | if (expect_false (!ev_is_active (w))) |
2115 | return; |
2854 | return; |
2116 | |
2855 | |
|
|
2856 | EV_FREQUENT_CHECK; |
|
|
2857 | |
2117 | { |
2858 | { |
2118 | int active = ((W)w)->active; |
2859 | int active = ev_active (w); |
2119 | |
2860 | |
2120 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2861 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2121 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2862 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2122 | |
2863 | |
2123 | ev_stop (EV_A_ (W)w); |
2864 | ev_stop (EV_A_ (W)w); |
2124 | --idleall; |
2865 | --idleall; |
2125 | } |
2866 | } |
|
|
2867 | |
|
|
2868 | EV_FREQUENT_CHECK; |
2126 | } |
2869 | } |
2127 | #endif |
2870 | #endif |
2128 | |
2871 | |
2129 | void |
2872 | void |
2130 | ev_prepare_start (EV_P_ ev_prepare *w) |
2873 | ev_prepare_start (EV_P_ ev_prepare *w) |
2131 | { |
2874 | { |
2132 | if (expect_false (ev_is_active (w))) |
2875 | if (expect_false (ev_is_active (w))) |
2133 | return; |
2876 | return; |
|
|
2877 | |
|
|
2878 | EV_FREQUENT_CHECK; |
2134 | |
2879 | |
2135 | ev_start (EV_A_ (W)w, ++preparecnt); |
2880 | ev_start (EV_A_ (W)w, ++preparecnt); |
2136 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2881 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2137 | prepares [preparecnt - 1] = w; |
2882 | prepares [preparecnt - 1] = w; |
|
|
2883 | |
|
|
2884 | EV_FREQUENT_CHECK; |
2138 | } |
2885 | } |
2139 | |
2886 | |
2140 | void |
2887 | void |
2141 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2888 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2142 | { |
2889 | { |
2143 | clear_pending (EV_A_ (W)w); |
2890 | clear_pending (EV_A_ (W)w); |
2144 | if (expect_false (!ev_is_active (w))) |
2891 | if (expect_false (!ev_is_active (w))) |
2145 | return; |
2892 | return; |
2146 | |
2893 | |
|
|
2894 | EV_FREQUENT_CHECK; |
|
|
2895 | |
2147 | { |
2896 | { |
2148 | int active = ((W)w)->active; |
2897 | int active = ev_active (w); |
|
|
2898 | |
2149 | prepares [active - 1] = prepares [--preparecnt]; |
2899 | prepares [active - 1] = prepares [--preparecnt]; |
2150 | ((W)prepares [active - 1])->active = active; |
2900 | ev_active (prepares [active - 1]) = active; |
2151 | } |
2901 | } |
2152 | |
2902 | |
2153 | ev_stop (EV_A_ (W)w); |
2903 | ev_stop (EV_A_ (W)w); |
|
|
2904 | |
|
|
2905 | EV_FREQUENT_CHECK; |
2154 | } |
2906 | } |
2155 | |
2907 | |
2156 | void |
2908 | void |
2157 | ev_check_start (EV_P_ ev_check *w) |
2909 | ev_check_start (EV_P_ ev_check *w) |
2158 | { |
2910 | { |
2159 | if (expect_false (ev_is_active (w))) |
2911 | if (expect_false (ev_is_active (w))) |
2160 | return; |
2912 | return; |
|
|
2913 | |
|
|
2914 | EV_FREQUENT_CHECK; |
2161 | |
2915 | |
2162 | ev_start (EV_A_ (W)w, ++checkcnt); |
2916 | ev_start (EV_A_ (W)w, ++checkcnt); |
2163 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2917 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2164 | checks [checkcnt - 1] = w; |
2918 | checks [checkcnt - 1] = w; |
|
|
2919 | |
|
|
2920 | EV_FREQUENT_CHECK; |
2165 | } |
2921 | } |
2166 | |
2922 | |
2167 | void |
2923 | void |
2168 | ev_check_stop (EV_P_ ev_check *w) |
2924 | ev_check_stop (EV_P_ ev_check *w) |
2169 | { |
2925 | { |
2170 | clear_pending (EV_A_ (W)w); |
2926 | clear_pending (EV_A_ (W)w); |
2171 | if (expect_false (!ev_is_active (w))) |
2927 | if (expect_false (!ev_is_active (w))) |
2172 | return; |
2928 | return; |
2173 | |
2929 | |
|
|
2930 | EV_FREQUENT_CHECK; |
|
|
2931 | |
2174 | { |
2932 | { |
2175 | int active = ((W)w)->active; |
2933 | int active = ev_active (w); |
|
|
2934 | |
2176 | checks [active - 1] = checks [--checkcnt]; |
2935 | checks [active - 1] = checks [--checkcnt]; |
2177 | ((W)checks [active - 1])->active = active; |
2936 | ev_active (checks [active - 1]) = active; |
2178 | } |
2937 | } |
2179 | |
2938 | |
2180 | ev_stop (EV_A_ (W)w); |
2939 | ev_stop (EV_A_ (W)w); |
|
|
2940 | |
|
|
2941 | EV_FREQUENT_CHECK; |
2181 | } |
2942 | } |
2182 | |
2943 | |
2183 | #if EV_EMBED_ENABLE |
2944 | #if EV_EMBED_ENABLE |
2184 | void noinline |
2945 | void noinline |
2185 | ev_embed_sweep (EV_P_ ev_embed *w) |
2946 | ev_embed_sweep (EV_P_ ev_embed *w) |
2186 | { |
2947 | { |
2187 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2948 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2188 | } |
2949 | } |
2189 | |
2950 | |
2190 | static void |
2951 | static void |
2191 | embed_cb (EV_P_ ev_io *io, int revents) |
2952 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2192 | { |
2953 | { |
2193 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2954 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2194 | |
2955 | |
2195 | if (ev_cb (w)) |
2956 | if (ev_cb (w)) |
2196 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2957 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2197 | else |
2958 | else |
2198 | ev_embed_sweep (loop, w); |
2959 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2199 | } |
2960 | } |
|
|
2961 | |
|
|
2962 | static void |
|
|
2963 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2964 | { |
|
|
2965 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2966 | |
|
|
2967 | { |
|
|
2968 | struct ev_loop *loop = w->other; |
|
|
2969 | |
|
|
2970 | while (fdchangecnt) |
|
|
2971 | { |
|
|
2972 | fd_reify (EV_A); |
|
|
2973 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2974 | } |
|
|
2975 | } |
|
|
2976 | } |
|
|
2977 | |
|
|
2978 | static void |
|
|
2979 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2980 | { |
|
|
2981 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2982 | |
|
|
2983 | ev_embed_stop (EV_A_ w); |
|
|
2984 | |
|
|
2985 | { |
|
|
2986 | struct ev_loop *loop = w->other; |
|
|
2987 | |
|
|
2988 | ev_loop_fork (EV_A); |
|
|
2989 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2990 | } |
|
|
2991 | |
|
|
2992 | ev_embed_start (EV_A_ w); |
|
|
2993 | } |
|
|
2994 | |
|
|
2995 | #if 0 |
|
|
2996 | static void |
|
|
2997 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
2998 | { |
|
|
2999 | ev_idle_stop (EV_A_ idle); |
|
|
3000 | } |
|
|
3001 | #endif |
2200 | |
3002 | |
2201 | void |
3003 | void |
2202 | ev_embed_start (EV_P_ ev_embed *w) |
3004 | ev_embed_start (EV_P_ ev_embed *w) |
2203 | { |
3005 | { |
2204 | if (expect_false (ev_is_active (w))) |
3006 | if (expect_false (ev_is_active (w))) |
2205 | return; |
3007 | return; |
2206 | |
3008 | |
2207 | { |
3009 | { |
2208 | struct ev_loop *loop = w->other; |
3010 | struct ev_loop *loop = w->other; |
2209 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3011 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2210 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
3012 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2211 | } |
3013 | } |
|
|
3014 | |
|
|
3015 | EV_FREQUENT_CHECK; |
2212 | |
3016 | |
2213 | ev_set_priority (&w->io, ev_priority (w)); |
3017 | ev_set_priority (&w->io, ev_priority (w)); |
2214 | ev_io_start (EV_A_ &w->io); |
3018 | ev_io_start (EV_A_ &w->io); |
2215 | |
3019 | |
|
|
3020 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
3021 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
3022 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
3023 | |
|
|
3024 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
3025 | ev_fork_start (EV_A_ &w->fork); |
|
|
3026 | |
|
|
3027 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
3028 | |
2216 | ev_start (EV_A_ (W)w, 1); |
3029 | ev_start (EV_A_ (W)w, 1); |
|
|
3030 | |
|
|
3031 | EV_FREQUENT_CHECK; |
2217 | } |
3032 | } |
2218 | |
3033 | |
2219 | void |
3034 | void |
2220 | ev_embed_stop (EV_P_ ev_embed *w) |
3035 | ev_embed_stop (EV_P_ ev_embed *w) |
2221 | { |
3036 | { |
2222 | clear_pending (EV_A_ (W)w); |
3037 | clear_pending (EV_A_ (W)w); |
2223 | if (expect_false (!ev_is_active (w))) |
3038 | if (expect_false (!ev_is_active (w))) |
2224 | return; |
3039 | return; |
2225 | |
3040 | |
|
|
3041 | EV_FREQUENT_CHECK; |
|
|
3042 | |
2226 | ev_io_stop (EV_A_ &w->io); |
3043 | ev_io_stop (EV_A_ &w->io); |
|
|
3044 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
3045 | ev_fork_stop (EV_A_ &w->fork); |
2227 | |
3046 | |
2228 | ev_stop (EV_A_ (W)w); |
3047 | EV_FREQUENT_CHECK; |
2229 | } |
3048 | } |
2230 | #endif |
3049 | #endif |
2231 | |
3050 | |
2232 | #if EV_FORK_ENABLE |
3051 | #if EV_FORK_ENABLE |
2233 | void |
3052 | void |
2234 | ev_fork_start (EV_P_ ev_fork *w) |
3053 | ev_fork_start (EV_P_ ev_fork *w) |
2235 | { |
3054 | { |
2236 | if (expect_false (ev_is_active (w))) |
3055 | if (expect_false (ev_is_active (w))) |
2237 | return; |
3056 | return; |
|
|
3057 | |
|
|
3058 | EV_FREQUENT_CHECK; |
2238 | |
3059 | |
2239 | ev_start (EV_A_ (W)w, ++forkcnt); |
3060 | ev_start (EV_A_ (W)w, ++forkcnt); |
2240 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
3061 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2241 | forks [forkcnt - 1] = w; |
3062 | forks [forkcnt - 1] = w; |
|
|
3063 | |
|
|
3064 | EV_FREQUENT_CHECK; |
2242 | } |
3065 | } |
2243 | |
3066 | |
2244 | void |
3067 | void |
2245 | ev_fork_stop (EV_P_ ev_fork *w) |
3068 | ev_fork_stop (EV_P_ ev_fork *w) |
2246 | { |
3069 | { |
2247 | clear_pending (EV_A_ (W)w); |
3070 | clear_pending (EV_A_ (W)w); |
2248 | if (expect_false (!ev_is_active (w))) |
3071 | if (expect_false (!ev_is_active (w))) |
2249 | return; |
3072 | return; |
2250 | |
3073 | |
|
|
3074 | EV_FREQUENT_CHECK; |
|
|
3075 | |
2251 | { |
3076 | { |
2252 | int active = ((W)w)->active; |
3077 | int active = ev_active (w); |
|
|
3078 | |
2253 | forks [active - 1] = forks [--forkcnt]; |
3079 | forks [active - 1] = forks [--forkcnt]; |
2254 | ((W)forks [active - 1])->active = active; |
3080 | ev_active (forks [active - 1]) = active; |
2255 | } |
3081 | } |
2256 | |
3082 | |
2257 | ev_stop (EV_A_ (W)w); |
3083 | ev_stop (EV_A_ (W)w); |
|
|
3084 | |
|
|
3085 | EV_FREQUENT_CHECK; |
|
|
3086 | } |
|
|
3087 | #endif |
|
|
3088 | |
|
|
3089 | #if EV_ASYNC_ENABLE |
|
|
3090 | void |
|
|
3091 | ev_async_start (EV_P_ ev_async *w) |
|
|
3092 | { |
|
|
3093 | if (expect_false (ev_is_active (w))) |
|
|
3094 | return; |
|
|
3095 | |
|
|
3096 | evpipe_init (EV_A); |
|
|
3097 | |
|
|
3098 | EV_FREQUENT_CHECK; |
|
|
3099 | |
|
|
3100 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
3101 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
3102 | asyncs [asynccnt - 1] = w; |
|
|
3103 | |
|
|
3104 | EV_FREQUENT_CHECK; |
|
|
3105 | } |
|
|
3106 | |
|
|
3107 | void |
|
|
3108 | ev_async_stop (EV_P_ ev_async *w) |
|
|
3109 | { |
|
|
3110 | clear_pending (EV_A_ (W)w); |
|
|
3111 | if (expect_false (!ev_is_active (w))) |
|
|
3112 | return; |
|
|
3113 | |
|
|
3114 | EV_FREQUENT_CHECK; |
|
|
3115 | |
|
|
3116 | { |
|
|
3117 | int active = ev_active (w); |
|
|
3118 | |
|
|
3119 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
3120 | ev_active (asyncs [active - 1]) = active; |
|
|
3121 | } |
|
|
3122 | |
|
|
3123 | ev_stop (EV_A_ (W)w); |
|
|
3124 | |
|
|
3125 | EV_FREQUENT_CHECK; |
|
|
3126 | } |
|
|
3127 | |
|
|
3128 | void |
|
|
3129 | ev_async_send (EV_P_ ev_async *w) |
|
|
3130 | { |
|
|
3131 | w->sent = 1; |
|
|
3132 | evpipe_write (EV_A_ &gotasync); |
2258 | } |
3133 | } |
2259 | #endif |
3134 | #endif |
2260 | |
3135 | |
2261 | /*****************************************************************************/ |
3136 | /*****************************************************************************/ |
2262 | |
3137 | |
… | |
… | |
2272 | once_cb (EV_P_ struct ev_once *once, int revents) |
3147 | once_cb (EV_P_ struct ev_once *once, int revents) |
2273 | { |
3148 | { |
2274 | void (*cb)(int revents, void *arg) = once->cb; |
3149 | void (*cb)(int revents, void *arg) = once->cb; |
2275 | void *arg = once->arg; |
3150 | void *arg = once->arg; |
2276 | |
3151 | |
2277 | ev_io_stop (EV_A_ &once->io); |
3152 | ev_io_stop (EV_A_ &once->io); |
2278 | ev_timer_stop (EV_A_ &once->to); |
3153 | ev_timer_stop (EV_A_ &once->to); |
2279 | ev_free (once); |
3154 | ev_free (once); |
2280 | |
3155 | |
2281 | cb (revents, arg); |
3156 | cb (revents, arg); |
2282 | } |
3157 | } |
2283 | |
3158 | |
2284 | static void |
3159 | static void |
2285 | once_cb_io (EV_P_ ev_io *w, int revents) |
3160 | once_cb_io (EV_P_ ev_io *w, int revents) |
2286 | { |
3161 | { |
2287 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3162 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3163 | |
|
|
3164 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2288 | } |
3165 | } |
2289 | |
3166 | |
2290 | static void |
3167 | static void |
2291 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3168 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2292 | { |
3169 | { |
2293 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3170 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3171 | |
|
|
3172 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2294 | } |
3173 | } |
2295 | |
3174 | |
2296 | void |
3175 | void |
2297 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3176 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2298 | { |
3177 | { |
… | |
… | |
2320 | ev_timer_set (&once->to, timeout, 0.); |
3199 | ev_timer_set (&once->to, timeout, 0.); |
2321 | ev_timer_start (EV_A_ &once->to); |
3200 | ev_timer_start (EV_A_ &once->to); |
2322 | } |
3201 | } |
2323 | } |
3202 | } |
2324 | |
3203 | |
|
|
3204 | /*****************************************************************************/ |
|
|
3205 | |
|
|
3206 | #if 0 |
|
|
3207 | void |
|
|
3208 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3209 | { |
|
|
3210 | int i, j; |
|
|
3211 | ev_watcher_list *wl, *wn; |
|
|
3212 | |
|
|
3213 | if (types & (EV_IO | EV_EMBED)) |
|
|
3214 | for (i = 0; i < anfdmax; ++i) |
|
|
3215 | for (wl = anfds [i].head; wl; ) |
|
|
3216 | { |
|
|
3217 | wn = wl->next; |
|
|
3218 | |
|
|
3219 | #if EV_EMBED_ENABLE |
|
|
3220 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3221 | { |
|
|
3222 | if (types & EV_EMBED) |
|
|
3223 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3224 | } |
|
|
3225 | else |
|
|
3226 | #endif |
|
|
3227 | #if EV_USE_INOTIFY |
|
|
3228 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3229 | ; |
|
|
3230 | else |
|
|
3231 | #endif |
|
|
3232 | if ((ev_io *)wl != &pipeev) |
|
|
3233 | if (types & EV_IO) |
|
|
3234 | cb (EV_A_ EV_IO, wl); |
|
|
3235 | |
|
|
3236 | wl = wn; |
|
|
3237 | } |
|
|
3238 | |
|
|
3239 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3240 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3241 | #if EV_STAT_ENABLE |
|
|
3242 | /*TODO: timer is not always active*/ |
|
|
3243 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3244 | { |
|
|
3245 | if (types & EV_STAT) |
|
|
3246 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3247 | } |
|
|
3248 | else |
|
|
3249 | #endif |
|
|
3250 | if (types & EV_TIMER) |
|
|
3251 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3252 | |
|
|
3253 | #if EV_PERIODIC_ENABLE |
|
|
3254 | if (types & EV_PERIODIC) |
|
|
3255 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3256 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3257 | #endif |
|
|
3258 | |
|
|
3259 | #if EV_IDLE_ENABLE |
|
|
3260 | if (types & EV_IDLE) |
|
|
3261 | for (j = NUMPRI; i--; ) |
|
|
3262 | for (i = idlecnt [j]; i--; ) |
|
|
3263 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3264 | #endif |
|
|
3265 | |
|
|
3266 | #if EV_FORK_ENABLE |
|
|
3267 | if (types & EV_FORK) |
|
|
3268 | for (i = forkcnt; i--; ) |
|
|
3269 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3270 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3271 | #endif |
|
|
3272 | |
|
|
3273 | #if EV_ASYNC_ENABLE |
|
|
3274 | if (types & EV_ASYNC) |
|
|
3275 | for (i = asynccnt; i--; ) |
|
|
3276 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3277 | #endif |
|
|
3278 | |
|
|
3279 | if (types & EV_PREPARE) |
|
|
3280 | for (i = preparecnt; i--; ) |
|
|
3281 | #if EV_EMBED_ENABLE |
|
|
3282 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3283 | #endif |
|
|
3284 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3285 | |
|
|
3286 | if (types & EV_CHECK) |
|
|
3287 | for (i = checkcnt; i--; ) |
|
|
3288 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3289 | |
|
|
3290 | if (types & EV_SIGNAL) |
|
|
3291 | for (i = 0; i < signalmax; ++i) |
|
|
3292 | for (wl = signals [i].head; wl; ) |
|
|
3293 | { |
|
|
3294 | wn = wl->next; |
|
|
3295 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3296 | wl = wn; |
|
|
3297 | } |
|
|
3298 | |
|
|
3299 | if (types & EV_CHILD) |
|
|
3300 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3301 | for (wl = childs [i]; wl; ) |
|
|
3302 | { |
|
|
3303 | wn = wl->next; |
|
|
3304 | cb (EV_A_ EV_CHILD, wl); |
|
|
3305 | wl = wn; |
|
|
3306 | } |
|
|
3307 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3308 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3309 | } |
|
|
3310 | #endif |
|
|
3311 | |
2325 | #if EV_MULTIPLICITY |
3312 | #if EV_MULTIPLICITY |
2326 | #include "ev_wrap.h" |
3313 | #include "ev_wrap.h" |
2327 | #endif |
3314 | #endif |
2328 | |
3315 | |
2329 | #ifdef __cplusplus |
3316 | #ifdef __cplusplus |