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) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
39 | |
39 | |
40 | #ifdef __cplusplus |
40 | #ifdef __cplusplus |
41 | extern "C" { |
41 | extern "C" { |
42 | #endif |
42 | #endif |
43 | |
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
44 | #ifndef EV_STANDALONE |
45 | #ifndef EV_STANDALONE |
45 | # ifdef EV_CONFIG_H |
46 | # ifdef EV_CONFIG_H |
46 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
47 | # else |
48 | # else |
48 | # include "config.h" |
49 | # include "config.h" |
49 | # endif |
50 | # endif |
50 | |
51 | |
|
|
52 | # if HAVE_CLOCK_SYSCALL |
|
|
53 | # ifndef EV_USE_CLOCK_SYSCALL |
|
|
54 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
55 | # ifndef EV_USE_REALTIME |
|
|
56 | # define EV_USE_REALTIME 0 |
|
|
57 | # endif |
|
|
58 | # ifndef EV_USE_MONOTONIC |
|
|
59 | # define EV_USE_MONOTONIC 1 |
|
|
60 | # endif |
|
|
61 | # endif |
|
|
62 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
|
|
63 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
64 | # endif |
|
|
65 | |
51 | # if HAVE_CLOCK_GETTIME |
66 | # if HAVE_CLOCK_GETTIME |
52 | # ifndef EV_USE_MONOTONIC |
67 | # ifndef EV_USE_MONOTONIC |
53 | # define EV_USE_MONOTONIC 1 |
68 | # define EV_USE_MONOTONIC 1 |
54 | # endif |
69 | # endif |
55 | # ifndef EV_USE_REALTIME |
70 | # ifndef EV_USE_REALTIME |
56 | # define EV_USE_REALTIME 1 |
71 | # define EV_USE_REALTIME 0 |
57 | # endif |
72 | # endif |
58 | # else |
73 | # else |
59 | # ifndef EV_USE_MONOTONIC |
74 | # ifndef EV_USE_MONOTONIC |
60 | # define EV_USE_MONOTONIC 0 |
75 | # define EV_USE_MONOTONIC 0 |
61 | # endif |
76 | # endif |
62 | # ifndef EV_USE_REALTIME |
77 | # ifndef EV_USE_REALTIME |
63 | # define EV_USE_REALTIME 0 |
78 | # define EV_USE_REALTIME 0 |
64 | # endif |
79 | # endif |
65 | # endif |
80 | # endif |
66 | |
81 | |
|
|
82 | # if HAVE_NANOSLEEP |
67 | # ifndef EV_USE_NANOSLEEP |
83 | # ifndef EV_USE_NANOSLEEP |
68 | # if HAVE_NANOSLEEP |
|
|
69 | # define EV_USE_NANOSLEEP 1 |
84 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
85 | # endif |
70 | # else |
86 | # else |
|
|
87 | # undef EV_USE_NANOSLEEP |
71 | # define EV_USE_NANOSLEEP 0 |
88 | # define EV_USE_NANOSLEEP 0 |
|
|
89 | # endif |
|
|
90 | |
|
|
91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
92 | # ifndef EV_USE_SELECT |
|
|
93 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
72 | # endif |
94 | # endif |
73 | # endif |
|
|
74 | |
|
|
75 | # ifndef EV_USE_SELECT |
|
|
76 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
77 | # define EV_USE_SELECT 1 |
|
|
78 | # else |
95 | # else |
|
|
96 | # undef EV_USE_SELECT |
79 | # define EV_USE_SELECT 0 |
97 | # define EV_USE_SELECT 0 |
|
|
98 | # endif |
|
|
99 | |
|
|
100 | # if HAVE_POLL && HAVE_POLL_H |
|
|
101 | # ifndef EV_USE_POLL |
|
|
102 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
80 | # endif |
103 | # endif |
81 | # endif |
|
|
82 | |
|
|
83 | # ifndef EV_USE_POLL |
|
|
84 | # if HAVE_POLL && HAVE_POLL_H |
|
|
85 | # define EV_USE_POLL 1 |
|
|
86 | # else |
104 | # else |
|
|
105 | # undef EV_USE_POLL |
87 | # define EV_USE_POLL 0 |
106 | # define EV_USE_POLL 0 |
|
|
107 | # endif |
|
|
108 | |
|
|
109 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
|
|
110 | # ifndef EV_USE_EPOLL |
|
|
111 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
88 | # endif |
112 | # endif |
|
|
113 | # else |
|
|
114 | # undef EV_USE_EPOLL |
|
|
115 | # define EV_USE_EPOLL 0 |
89 | # endif |
116 | # endif |
90 | |
117 | |
|
|
118 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
91 | # ifndef EV_USE_EPOLL |
119 | # ifndef EV_USE_KQUEUE |
92 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
120 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
93 | # define EV_USE_EPOLL 1 |
|
|
94 | # else |
|
|
95 | # define EV_USE_EPOLL 0 |
|
|
96 | # endif |
121 | # endif |
|
|
122 | # else |
|
|
123 | # undef EV_USE_KQUEUE |
|
|
124 | # define EV_USE_KQUEUE 0 |
97 | # endif |
125 | # endif |
98 | |
126 | |
99 | # ifndef EV_USE_KQUEUE |
127 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
100 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
128 | # ifndef EV_USE_PORT |
101 | # define EV_USE_KQUEUE 1 |
129 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
102 | # else |
|
|
103 | # define EV_USE_KQUEUE 0 |
|
|
104 | # endif |
130 | # endif |
105 | # endif |
|
|
106 | |
|
|
107 | # ifndef EV_USE_PORT |
|
|
108 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
|
|
109 | # define EV_USE_PORT 1 |
|
|
110 | # else |
131 | # else |
|
|
132 | # undef EV_USE_PORT |
111 | # define EV_USE_PORT 0 |
133 | # define EV_USE_PORT 0 |
|
|
134 | # endif |
|
|
135 | |
|
|
136 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
|
|
137 | # ifndef EV_USE_INOTIFY |
|
|
138 | # define EV_USE_INOTIFY EV_FEATURE_OS |
112 | # endif |
139 | # endif |
113 | # endif |
|
|
114 | |
|
|
115 | # ifndef EV_USE_INOTIFY |
|
|
116 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
|
|
117 | # define EV_USE_INOTIFY 1 |
|
|
118 | # else |
140 | # else |
|
|
141 | # undef EV_USE_INOTIFY |
119 | # define EV_USE_INOTIFY 0 |
142 | # define EV_USE_INOTIFY 0 |
|
|
143 | # endif |
|
|
144 | |
|
|
145 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
|
|
146 | # ifndef EV_USE_SIGNALFD |
|
|
147 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
120 | # endif |
148 | # endif |
|
|
149 | # else |
|
|
150 | # undef EV_USE_SIGNALFD |
|
|
151 | # define EV_USE_SIGNALFD 0 |
|
|
152 | # endif |
|
|
153 | |
|
|
154 | # if HAVE_EVENTFD |
|
|
155 | # ifndef EV_USE_EVENTFD |
|
|
156 | # define EV_USE_EVENTFD EV_FEATURE_OS |
121 | # endif |
157 | # endif |
122 | |
158 | # else |
|
|
159 | # undef EV_USE_EVENTFD |
|
|
160 | # define EV_USE_EVENTFD 0 |
|
|
161 | # endif |
|
|
162 | |
123 | #endif |
163 | #endif |
124 | |
164 | |
125 | #include <math.h> |
165 | #include <math.h> |
126 | #include <stdlib.h> |
166 | #include <stdlib.h> |
|
|
167 | #include <string.h> |
127 | #include <fcntl.h> |
168 | #include <fcntl.h> |
128 | #include <stddef.h> |
169 | #include <stddef.h> |
129 | |
170 | |
130 | #include <stdio.h> |
171 | #include <stdio.h> |
131 | |
172 | |
132 | #include <assert.h> |
173 | #include <assert.h> |
133 | #include <errno.h> |
174 | #include <errno.h> |
134 | #include <sys/types.h> |
175 | #include <sys/types.h> |
135 | #include <time.h> |
176 | #include <time.h> |
|
|
177 | #include <limits.h> |
136 | |
178 | |
137 | #include <signal.h> |
179 | #include <signal.h> |
138 | |
180 | |
139 | #ifdef EV_H |
181 | #ifdef EV_H |
140 | # include EV_H |
182 | # include EV_H |
… | |
… | |
145 | #ifndef _WIN32 |
187 | #ifndef _WIN32 |
146 | # include <sys/time.h> |
188 | # include <sys/time.h> |
147 | # include <sys/wait.h> |
189 | # include <sys/wait.h> |
148 | # include <unistd.h> |
190 | # include <unistd.h> |
149 | #else |
191 | #else |
|
|
192 | # include <io.h> |
150 | # define WIN32_LEAN_AND_MEAN |
193 | # define WIN32_LEAN_AND_MEAN |
151 | # include <windows.h> |
194 | # include <windows.h> |
152 | # ifndef EV_SELECT_IS_WINSOCKET |
195 | # ifndef EV_SELECT_IS_WINSOCKET |
153 | # define EV_SELECT_IS_WINSOCKET 1 |
196 | # define EV_SELECT_IS_WINSOCKET 1 |
154 | # endif |
197 | # endif |
|
|
198 | # undef EV_AVOID_STDIO |
|
|
199 | #endif |
|
|
200 | |
|
|
201 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
|
|
202 | |
|
|
203 | /* try to deduce the maximum number of signals on this platform */ |
|
|
204 | #if defined (EV_NSIG) |
|
|
205 | /* use what's provided */ |
|
|
206 | #elif defined (NSIG) |
|
|
207 | # define EV_NSIG (NSIG) |
|
|
208 | #elif defined(_NSIG) |
|
|
209 | # define EV_NSIG (_NSIG) |
|
|
210 | #elif defined (SIGMAX) |
|
|
211 | # define EV_NSIG (SIGMAX+1) |
|
|
212 | #elif defined (SIG_MAX) |
|
|
213 | # define EV_NSIG (SIG_MAX+1) |
|
|
214 | #elif defined (_SIG_MAX) |
|
|
215 | # define EV_NSIG (_SIG_MAX+1) |
|
|
216 | #elif defined (MAXSIG) |
|
|
217 | # define EV_NSIG (MAXSIG+1) |
|
|
218 | #elif defined (MAX_SIG) |
|
|
219 | # define EV_NSIG (MAX_SIG+1) |
|
|
220 | #elif defined (SIGARRAYSIZE) |
|
|
221 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
|
|
222 | #elif defined (_sys_nsig) |
|
|
223 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
|
|
224 | #else |
|
|
225 | # error "unable to find value for NSIG, please report" |
|
|
226 | /* to make it compile regardless, just remove the above line, */ |
|
|
227 | /* but consider reporting it, too! :) */ |
|
|
228 | # define EV_NSIG 65 |
|
|
229 | #endif |
|
|
230 | |
|
|
231 | #ifndef EV_USE_CLOCK_SYSCALL |
|
|
232 | # if __linux && __GLIBC__ >= 2 |
|
|
233 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
|
|
234 | # else |
|
|
235 | # define EV_USE_CLOCK_SYSCALL 0 |
155 | #endif |
236 | # endif |
156 | |
237 | #endif |
157 | /**/ |
|
|
158 | |
238 | |
159 | #ifndef EV_USE_MONOTONIC |
239 | #ifndef EV_USE_MONOTONIC |
|
|
240 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
|
|
241 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
|
|
242 | # else |
160 | # define EV_USE_MONOTONIC 0 |
243 | # define EV_USE_MONOTONIC 0 |
|
|
244 | # endif |
161 | #endif |
245 | #endif |
162 | |
246 | |
163 | #ifndef EV_USE_REALTIME |
247 | #ifndef EV_USE_REALTIME |
164 | # define EV_USE_REALTIME 0 |
248 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
165 | #endif |
249 | #endif |
166 | |
250 | |
167 | #ifndef EV_USE_NANOSLEEP |
251 | #ifndef EV_USE_NANOSLEEP |
|
|
252 | # if _POSIX_C_SOURCE >= 199309L |
|
|
253 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
254 | # else |
168 | # define EV_USE_NANOSLEEP 0 |
255 | # define EV_USE_NANOSLEEP 0 |
|
|
256 | # endif |
169 | #endif |
257 | #endif |
170 | |
258 | |
171 | #ifndef EV_USE_SELECT |
259 | #ifndef EV_USE_SELECT |
172 | # define EV_USE_SELECT 1 |
260 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
173 | #endif |
261 | #endif |
174 | |
262 | |
175 | #ifndef EV_USE_POLL |
263 | #ifndef EV_USE_POLL |
176 | # ifdef _WIN32 |
264 | # ifdef _WIN32 |
177 | # define EV_USE_POLL 0 |
265 | # define EV_USE_POLL 0 |
178 | # else |
266 | # else |
179 | # define EV_USE_POLL 1 |
267 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
180 | # endif |
268 | # endif |
181 | #endif |
269 | #endif |
182 | |
270 | |
183 | #ifndef EV_USE_EPOLL |
271 | #ifndef EV_USE_EPOLL |
|
|
272 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
273 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
|
|
274 | # else |
184 | # define EV_USE_EPOLL 0 |
275 | # define EV_USE_EPOLL 0 |
|
|
276 | # endif |
185 | #endif |
277 | #endif |
186 | |
278 | |
187 | #ifndef EV_USE_KQUEUE |
279 | #ifndef EV_USE_KQUEUE |
188 | # define EV_USE_KQUEUE 0 |
280 | # define EV_USE_KQUEUE 0 |
189 | #endif |
281 | #endif |
… | |
… | |
191 | #ifndef EV_USE_PORT |
283 | #ifndef EV_USE_PORT |
192 | # define EV_USE_PORT 0 |
284 | # define EV_USE_PORT 0 |
193 | #endif |
285 | #endif |
194 | |
286 | |
195 | #ifndef EV_USE_INOTIFY |
287 | #ifndef EV_USE_INOTIFY |
|
|
288 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
|
|
289 | # define EV_USE_INOTIFY EV_FEATURE_OS |
|
|
290 | # else |
196 | # define EV_USE_INOTIFY 0 |
291 | # define EV_USE_INOTIFY 0 |
|
|
292 | # endif |
197 | #endif |
293 | #endif |
198 | |
294 | |
199 | #ifndef EV_PID_HASHSIZE |
295 | #ifndef EV_PID_HASHSIZE |
200 | # if EV_MINIMAL |
296 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
201 | # define EV_PID_HASHSIZE 1 |
297 | #endif |
|
|
298 | |
|
|
299 | #ifndef EV_INOTIFY_HASHSIZE |
|
|
300 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
|
|
301 | #endif |
|
|
302 | |
|
|
303 | #ifndef EV_USE_EVENTFD |
|
|
304 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
305 | # define EV_USE_EVENTFD EV_FEATURE_OS |
202 | # else |
306 | # else |
203 | # define EV_PID_HASHSIZE 16 |
307 | # define EV_USE_EVENTFD 0 |
204 | # endif |
|
|
205 | #endif |
308 | # endif |
|
|
309 | #endif |
206 | |
310 | |
207 | #ifndef EV_INOTIFY_HASHSIZE |
311 | #ifndef EV_USE_SIGNALFD |
208 | # if EV_MINIMAL |
312 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
209 | # define EV_INOTIFY_HASHSIZE 1 |
313 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
210 | # else |
314 | # else |
211 | # define EV_INOTIFY_HASHSIZE 16 |
315 | # define EV_USE_SIGNALFD 0 |
212 | # endif |
|
|
213 | #endif |
316 | # endif |
|
|
317 | #endif |
214 | |
318 | |
215 | /**/ |
319 | #if 0 /* debugging */ |
|
|
320 | # define EV_VERIFY 3 |
|
|
321 | # define EV_USE_4HEAP 1 |
|
|
322 | # define EV_HEAP_CACHE_AT 1 |
|
|
323 | #endif |
|
|
324 | |
|
|
325 | #ifndef EV_VERIFY |
|
|
326 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
|
|
327 | #endif |
|
|
328 | |
|
|
329 | #ifndef EV_USE_4HEAP |
|
|
330 | # define EV_USE_4HEAP EV_FEATURE_DATA |
|
|
331 | #endif |
|
|
332 | |
|
|
333 | #ifndef EV_HEAP_CACHE_AT |
|
|
334 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
|
|
335 | #endif |
|
|
336 | |
|
|
337 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
338 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
339 | #if EV_USE_CLOCK_SYSCALL |
|
|
340 | # include <syscall.h> |
|
|
341 | # ifdef SYS_clock_gettime |
|
|
342 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
343 | # undef EV_USE_MONOTONIC |
|
|
344 | # define EV_USE_MONOTONIC 1 |
|
|
345 | # else |
|
|
346 | # undef EV_USE_CLOCK_SYSCALL |
|
|
347 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
348 | # endif |
|
|
349 | #endif |
|
|
350 | |
|
|
351 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
|
|
352 | |
|
|
353 | #ifdef _AIX |
|
|
354 | /* AIX has a completely broken poll.h header */ |
|
|
355 | # undef EV_USE_POLL |
|
|
356 | # define EV_USE_POLL 0 |
|
|
357 | #endif |
216 | |
358 | |
217 | #ifndef CLOCK_MONOTONIC |
359 | #ifndef CLOCK_MONOTONIC |
218 | # undef EV_USE_MONOTONIC |
360 | # undef EV_USE_MONOTONIC |
219 | # define EV_USE_MONOTONIC 0 |
361 | # define EV_USE_MONOTONIC 0 |
220 | #endif |
362 | #endif |
… | |
… | |
234 | # include <sys/select.h> |
376 | # include <sys/select.h> |
235 | # endif |
377 | # endif |
236 | #endif |
378 | #endif |
237 | |
379 | |
238 | #if EV_USE_INOTIFY |
380 | #if EV_USE_INOTIFY |
|
|
381 | # include <sys/utsname.h> |
|
|
382 | # include <sys/statfs.h> |
239 | # include <sys/inotify.h> |
383 | # include <sys/inotify.h> |
|
|
384 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
|
385 | # ifndef IN_DONT_FOLLOW |
|
|
386 | # undef EV_USE_INOTIFY |
|
|
387 | # define EV_USE_INOTIFY 0 |
|
|
388 | # endif |
240 | #endif |
389 | #endif |
241 | |
390 | |
242 | #if EV_SELECT_IS_WINSOCKET |
391 | #if EV_SELECT_IS_WINSOCKET |
243 | # include <winsock.h> |
392 | # include <winsock.h> |
244 | #endif |
393 | #endif |
245 | |
394 | |
|
|
395 | #if EV_USE_EVENTFD |
|
|
396 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
397 | # include <stdint.h> |
|
|
398 | # ifndef EFD_NONBLOCK |
|
|
399 | # define EFD_NONBLOCK O_NONBLOCK |
|
|
400 | # endif |
|
|
401 | # ifndef EFD_CLOEXEC |
|
|
402 | # ifdef O_CLOEXEC |
|
|
403 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
404 | # else |
|
|
405 | # define EFD_CLOEXEC 02000000 |
|
|
406 | # endif |
|
|
407 | # endif |
|
|
408 | # ifdef __cplusplus |
|
|
409 | extern "C" { |
|
|
410 | # endif |
|
|
411 | int (eventfd) (unsigned int initval, int flags); |
|
|
412 | # ifdef __cplusplus |
|
|
413 | } |
|
|
414 | # endif |
|
|
415 | #endif |
|
|
416 | |
|
|
417 | #if EV_USE_SIGNALFD |
|
|
418 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
419 | # include <stdint.h> |
|
|
420 | # ifndef SFD_NONBLOCK |
|
|
421 | # define SFD_NONBLOCK O_NONBLOCK |
|
|
422 | # endif |
|
|
423 | # ifndef SFD_CLOEXEC |
|
|
424 | # ifdef O_CLOEXEC |
|
|
425 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
426 | # else |
|
|
427 | # define SFD_CLOEXEC 02000000 |
|
|
428 | # endif |
|
|
429 | # endif |
|
|
430 | # ifdef __cplusplus |
|
|
431 | extern "C" { |
|
|
432 | # endif |
|
|
433 | int signalfd (int fd, const sigset_t *mask, int flags); |
|
|
434 | |
|
|
435 | struct signalfd_siginfo |
|
|
436 | { |
|
|
437 | uint32_t ssi_signo; |
|
|
438 | char pad[128 - sizeof (uint32_t)]; |
|
|
439 | }; |
|
|
440 | # ifdef __cplusplus |
|
|
441 | } |
|
|
442 | # endif |
|
|
443 | #endif |
|
|
444 | |
|
|
445 | |
246 | /**/ |
446 | /**/ |
|
|
447 | |
|
|
448 | #if EV_VERIFY >= 3 |
|
|
449 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
|
|
450 | #else |
|
|
451 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
452 | #endif |
247 | |
453 | |
248 | /* |
454 | /* |
249 | * This is used to avoid floating point rounding problems. |
455 | * This is used to avoid floating point rounding problems. |
250 | * It is added to ev_rt_now when scheduling periodics |
456 | * It is added to ev_rt_now when scheduling periodics |
251 | * to ensure progress, time-wise, even when rounding |
457 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
255 | */ |
461 | */ |
256 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
462 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
257 | |
463 | |
258 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
464 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
259 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
465 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
260 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
|
|
261 | |
466 | |
262 | #if __GNUC__ >= 4 |
467 | #if __GNUC__ >= 4 |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
468 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
264 | # define noinline __attribute__ ((noinline)) |
469 | # define noinline __attribute__ ((noinline)) |
265 | #else |
470 | #else |
266 | # define expect(expr,value) (expr) |
471 | # define expect(expr,value) (expr) |
267 | # define noinline |
472 | # define noinline |
268 | # if __STDC_VERSION__ < 199901L |
473 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
269 | # define inline |
474 | # define inline |
270 | # endif |
475 | # endif |
271 | #endif |
476 | #endif |
272 | |
477 | |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
478 | #define expect_false(expr) expect ((expr) != 0, 0) |
274 | #define expect_true(expr) expect ((expr) != 0, 1) |
479 | #define expect_true(expr) expect ((expr) != 0, 1) |
275 | #define inline_size static inline |
480 | #define inline_size static inline |
276 | |
481 | |
277 | #if EV_MINIMAL |
482 | #if EV_FEATURE_CODE |
|
|
483 | # define inline_speed static inline |
|
|
484 | #else |
278 | # define inline_speed static noinline |
485 | # define inline_speed static noinline |
|
|
486 | #endif |
|
|
487 | |
|
|
488 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
489 | |
|
|
490 | #if EV_MINPRI == EV_MAXPRI |
|
|
491 | # define ABSPRI(w) (((W)w), 0) |
279 | #else |
492 | #else |
280 | # define inline_speed static inline |
|
|
281 | #endif |
|
|
282 | |
|
|
283 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
284 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
493 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
|
|
494 | #endif |
285 | |
495 | |
286 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
496 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
287 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
497 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
288 | |
498 | |
289 | typedef ev_watcher *W; |
499 | typedef ev_watcher *W; |
290 | typedef ev_watcher_list *WL; |
500 | typedef ev_watcher_list *WL; |
291 | typedef ev_watcher_time *WT; |
501 | typedef ev_watcher_time *WT; |
292 | |
502 | |
293 | #if EV_USE_MONOTONIC |
503 | #define ev_active(w) ((W)(w))->active |
|
|
504 | #define ev_at(w) ((WT)(w))->at |
|
|
505 | |
|
|
506 | #if EV_USE_REALTIME |
294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
507 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
295 | /* giving it a reasonably high chance of working on typical architetcures */ |
508 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
|
509 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
|
|
510 | #endif |
|
|
511 | |
|
|
512 | #if EV_USE_MONOTONIC |
296 | static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
513 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
|
|
514 | #endif |
|
|
515 | |
|
|
516 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
517 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
518 | #endif |
|
|
519 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
520 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
521 | #endif |
|
|
522 | #ifndef EV_WIN32_CLOSE_FD |
|
|
523 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
297 | #endif |
524 | #endif |
298 | |
525 | |
299 | #ifdef _WIN32 |
526 | #ifdef _WIN32 |
300 | # include "ev_win32.c" |
527 | # include "ev_win32.c" |
301 | #endif |
528 | #endif |
302 | |
529 | |
303 | /*****************************************************************************/ |
530 | /*****************************************************************************/ |
304 | |
531 | |
|
|
532 | #if EV_AVOID_STDIO |
|
|
533 | static void noinline |
|
|
534 | ev_printerr (const char *msg) |
|
|
535 | { |
|
|
536 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
537 | } |
|
|
538 | #endif |
|
|
539 | |
305 | static void (*syserr_cb)(const char *msg); |
540 | static void (*syserr_cb)(const char *msg); |
306 | |
541 | |
307 | void |
542 | void |
308 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
543 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
309 | { |
544 | { |
310 | syserr_cb = cb; |
545 | syserr_cb = cb; |
311 | } |
546 | } |
312 | |
547 | |
313 | static void noinline |
548 | static void noinline |
314 | syserr (const char *msg) |
549 | ev_syserr (const char *msg) |
315 | { |
550 | { |
316 | if (!msg) |
551 | if (!msg) |
317 | msg = "(libev) system error"; |
552 | msg = "(libev) system error"; |
318 | |
553 | |
319 | if (syserr_cb) |
554 | if (syserr_cb) |
320 | syserr_cb (msg); |
555 | syserr_cb (msg); |
321 | else |
556 | else |
322 | { |
557 | { |
|
|
558 | #if EV_AVOID_STDIO |
|
|
559 | const char *err = strerror (errno); |
|
|
560 | |
|
|
561 | ev_printerr (msg); |
|
|
562 | ev_printerr (": "); |
|
|
563 | ev_printerr (err); |
|
|
564 | ev_printerr ("\n"); |
|
|
565 | #else |
323 | perror (msg); |
566 | perror (msg); |
|
|
567 | #endif |
324 | abort (); |
568 | abort (); |
325 | } |
569 | } |
326 | } |
570 | } |
327 | |
571 | |
|
|
572 | static void * |
|
|
573 | ev_realloc_emul (void *ptr, long size) |
|
|
574 | { |
|
|
575 | #if __GLIBC__ |
|
|
576 | return realloc (ptr, size); |
|
|
577 | #else |
|
|
578 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
579 | * implement realloc (x, 0) (as required by both ansi c-89 and |
|
|
580 | * the single unix specification, so work around them here. |
|
|
581 | */ |
|
|
582 | |
|
|
583 | if (size) |
|
|
584 | return realloc (ptr, size); |
|
|
585 | |
|
|
586 | free (ptr); |
|
|
587 | return 0; |
|
|
588 | #endif |
|
|
589 | } |
|
|
590 | |
328 | static void *(*alloc)(void *ptr, long size); |
591 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
329 | |
592 | |
330 | void |
593 | void |
331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
594 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
332 | { |
595 | { |
333 | alloc = cb; |
596 | alloc = cb; |
334 | } |
597 | } |
335 | |
598 | |
336 | inline_speed void * |
599 | inline_speed void * |
337 | ev_realloc (void *ptr, long size) |
600 | ev_realloc (void *ptr, long size) |
338 | { |
601 | { |
339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
602 | ptr = alloc (ptr, size); |
340 | |
603 | |
341 | if (!ptr && size) |
604 | if (!ptr && size) |
342 | { |
605 | { |
|
|
606 | #if EV_AVOID_STDIO |
|
|
607 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
|
|
608 | #else |
343 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
609 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
610 | #endif |
344 | abort (); |
611 | abort (); |
345 | } |
612 | } |
346 | |
613 | |
347 | return ptr; |
614 | return ptr; |
348 | } |
615 | } |
… | |
… | |
350 | #define ev_malloc(size) ev_realloc (0, (size)) |
617 | #define ev_malloc(size) ev_realloc (0, (size)) |
351 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
618 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
352 | |
619 | |
353 | /*****************************************************************************/ |
620 | /*****************************************************************************/ |
354 | |
621 | |
|
|
622 | /* set in reify when reification needed */ |
|
|
623 | #define EV_ANFD_REIFY 1 |
|
|
624 | |
|
|
625 | /* file descriptor info structure */ |
355 | typedef struct |
626 | typedef struct |
356 | { |
627 | { |
357 | WL head; |
628 | WL head; |
358 | unsigned char events; |
629 | unsigned char events; /* the events watched for */ |
|
|
630 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
|
|
631 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
359 | unsigned char reify; |
632 | unsigned char unused; |
|
|
633 | #if EV_USE_EPOLL |
|
|
634 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
635 | #endif |
360 | #if EV_SELECT_IS_WINSOCKET |
636 | #if EV_SELECT_IS_WINSOCKET |
361 | SOCKET handle; |
637 | SOCKET handle; |
362 | #endif |
638 | #endif |
363 | } ANFD; |
639 | } ANFD; |
364 | |
640 | |
|
|
641 | /* stores the pending event set for a given watcher */ |
365 | typedef struct |
642 | typedef struct |
366 | { |
643 | { |
367 | W w; |
644 | W w; |
368 | int events; |
645 | int events; /* the pending event set for the given watcher */ |
369 | } ANPENDING; |
646 | } ANPENDING; |
370 | |
647 | |
371 | #if EV_USE_INOTIFY |
648 | #if EV_USE_INOTIFY |
|
|
649 | /* hash table entry per inotify-id */ |
372 | typedef struct |
650 | typedef struct |
373 | { |
651 | { |
374 | WL head; |
652 | WL head; |
375 | } ANFS; |
653 | } ANFS; |
|
|
654 | #endif |
|
|
655 | |
|
|
656 | /* Heap Entry */ |
|
|
657 | #if EV_HEAP_CACHE_AT |
|
|
658 | /* a heap element */ |
|
|
659 | typedef struct { |
|
|
660 | ev_tstamp at; |
|
|
661 | WT w; |
|
|
662 | } ANHE; |
|
|
663 | |
|
|
664 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
665 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
666 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
667 | #else |
|
|
668 | /* a heap element */ |
|
|
669 | typedef WT ANHE; |
|
|
670 | |
|
|
671 | #define ANHE_w(he) (he) |
|
|
672 | #define ANHE_at(he) (he)->at |
|
|
673 | #define ANHE_at_cache(he) |
376 | #endif |
674 | #endif |
377 | |
675 | |
378 | #if EV_MULTIPLICITY |
676 | #if EV_MULTIPLICITY |
379 | |
677 | |
380 | struct ev_loop |
678 | struct ev_loop |
… | |
… | |
399 | |
697 | |
400 | static int ev_default_loop_ptr; |
698 | static int ev_default_loop_ptr; |
401 | |
699 | |
402 | #endif |
700 | #endif |
403 | |
701 | |
|
|
702 | #if EV_FEATURE_API |
|
|
703 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
|
|
704 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
|
|
705 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
|
|
706 | #else |
|
|
707 | # define EV_RELEASE_CB (void)0 |
|
|
708 | # define EV_ACQUIRE_CB (void)0 |
|
|
709 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
710 | #endif |
|
|
711 | |
|
|
712 | #define EVUNLOOP_RECURSE 0x80 |
|
|
713 | |
404 | /*****************************************************************************/ |
714 | /*****************************************************************************/ |
405 | |
715 | |
|
|
716 | #ifndef EV_HAVE_EV_TIME |
406 | ev_tstamp |
717 | ev_tstamp |
407 | ev_time (void) |
718 | ev_time (void) |
408 | { |
719 | { |
409 | #if EV_USE_REALTIME |
720 | #if EV_USE_REALTIME |
|
|
721 | if (expect_true (have_realtime)) |
|
|
722 | { |
410 | struct timespec ts; |
723 | struct timespec ts; |
411 | clock_gettime (CLOCK_REALTIME, &ts); |
724 | clock_gettime (CLOCK_REALTIME, &ts); |
412 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
725 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
413 | #else |
726 | } |
|
|
727 | #endif |
|
|
728 | |
414 | struct timeval tv; |
729 | struct timeval tv; |
415 | gettimeofday (&tv, 0); |
730 | gettimeofday (&tv, 0); |
416 | return tv.tv_sec + tv.tv_usec * 1e-6; |
731 | return tv.tv_sec + tv.tv_usec * 1e-6; |
417 | #endif |
|
|
418 | } |
732 | } |
|
|
733 | #endif |
419 | |
734 | |
420 | ev_tstamp inline_size |
735 | inline_size ev_tstamp |
421 | get_clock (void) |
736 | get_clock (void) |
422 | { |
737 | { |
423 | #if EV_USE_MONOTONIC |
738 | #if EV_USE_MONOTONIC |
424 | if (expect_true (have_monotonic)) |
739 | if (expect_true (have_monotonic)) |
425 | { |
740 | { |
… | |
… | |
451 | ts.tv_sec = (time_t)delay; |
766 | ts.tv_sec = (time_t)delay; |
452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
767 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
453 | |
768 | |
454 | nanosleep (&ts, 0); |
769 | nanosleep (&ts, 0); |
455 | #elif defined(_WIN32) |
770 | #elif defined(_WIN32) |
456 | Sleep (delay * 1e3); |
771 | Sleep ((unsigned long)(delay * 1e3)); |
457 | #else |
772 | #else |
458 | struct timeval tv; |
773 | struct timeval tv; |
459 | |
774 | |
460 | tv.tv_sec = (time_t)delay; |
775 | tv.tv_sec = (time_t)delay; |
461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
776 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
462 | |
777 | |
|
|
778 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
779 | /* something not guaranteed by newer posix versions, but guaranteed */ |
|
|
780 | /* by older ones */ |
463 | select (0, 0, 0, 0, &tv); |
781 | select (0, 0, 0, 0, &tv); |
464 | #endif |
782 | #endif |
465 | } |
783 | } |
466 | } |
784 | } |
467 | |
785 | |
468 | /*****************************************************************************/ |
786 | /*****************************************************************************/ |
469 | |
787 | |
470 | int inline_size |
788 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
|
|
789 | |
|
|
790 | /* find a suitable new size for the given array, */ |
|
|
791 | /* hopefully by rounding to a ncie-to-malloc size */ |
|
|
792 | inline_size int |
471 | array_nextsize (int elem, int cur, int cnt) |
793 | array_nextsize (int elem, int cur, int cnt) |
472 | { |
794 | { |
473 | int ncur = cur + 1; |
795 | int ncur = cur + 1; |
474 | |
796 | |
475 | do |
797 | do |
476 | ncur <<= 1; |
798 | ncur <<= 1; |
477 | while (cnt > ncur); |
799 | while (cnt > ncur); |
478 | |
800 | |
479 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
801 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
480 | if (elem * ncur > 4096) |
802 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
481 | { |
803 | { |
482 | ncur *= elem; |
804 | ncur *= elem; |
483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
805 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
484 | ncur = ncur - sizeof (void *) * 4; |
806 | ncur = ncur - sizeof (void *) * 4; |
485 | ncur /= elem; |
807 | ncur /= elem; |
486 | } |
808 | } |
487 | |
809 | |
488 | return ncur; |
810 | return ncur; |
… | |
… | |
492 | array_realloc (int elem, void *base, int *cur, int cnt) |
814 | array_realloc (int elem, void *base, int *cur, int cnt) |
493 | { |
815 | { |
494 | *cur = array_nextsize (elem, *cur, cnt); |
816 | *cur = array_nextsize (elem, *cur, cnt); |
495 | return ev_realloc (base, elem * *cur); |
817 | return ev_realloc (base, elem * *cur); |
496 | } |
818 | } |
|
|
819 | |
|
|
820 | #define array_init_zero(base,count) \ |
|
|
821 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
497 | |
822 | |
498 | #define array_needsize(type,base,cur,cnt,init) \ |
823 | #define array_needsize(type,base,cur,cnt,init) \ |
499 | if (expect_false ((cnt) > (cur))) \ |
824 | if (expect_false ((cnt) > (cur))) \ |
500 | { \ |
825 | { \ |
501 | int ocur_ = (cur); \ |
826 | int ocur_ = (cur); \ |
… | |
… | |
513 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
838 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
514 | } |
839 | } |
515 | #endif |
840 | #endif |
516 | |
841 | |
517 | #define array_free(stem, idx) \ |
842 | #define array_free(stem, idx) \ |
518 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
843 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
519 | |
844 | |
520 | /*****************************************************************************/ |
845 | /*****************************************************************************/ |
|
|
846 | |
|
|
847 | /* dummy callback for pending events */ |
|
|
848 | static void noinline |
|
|
849 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
850 | { |
|
|
851 | } |
521 | |
852 | |
522 | void noinline |
853 | void noinline |
523 | ev_feed_event (EV_P_ void *w, int revents) |
854 | ev_feed_event (EV_P_ void *w, int revents) |
524 | { |
855 | { |
525 | W w_ = (W)w; |
856 | W w_ = (W)w; |
… | |
… | |
534 | pendings [pri][w_->pending - 1].w = w_; |
865 | pendings [pri][w_->pending - 1].w = w_; |
535 | pendings [pri][w_->pending - 1].events = revents; |
866 | pendings [pri][w_->pending - 1].events = revents; |
536 | } |
867 | } |
537 | } |
868 | } |
538 | |
869 | |
539 | void inline_speed |
870 | inline_speed void |
|
|
871 | feed_reverse (EV_P_ W w) |
|
|
872 | { |
|
|
873 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
874 | rfeeds [rfeedcnt++] = w; |
|
|
875 | } |
|
|
876 | |
|
|
877 | inline_size void |
|
|
878 | feed_reverse_done (EV_P_ int revents) |
|
|
879 | { |
|
|
880 | do |
|
|
881 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
882 | while (rfeedcnt); |
|
|
883 | } |
|
|
884 | |
|
|
885 | inline_speed void |
540 | queue_events (EV_P_ W *events, int eventcnt, int type) |
886 | queue_events (EV_P_ W *events, int eventcnt, int type) |
541 | { |
887 | { |
542 | int i; |
888 | int i; |
543 | |
889 | |
544 | for (i = 0; i < eventcnt; ++i) |
890 | for (i = 0; i < eventcnt; ++i) |
545 | ev_feed_event (EV_A_ events [i], type); |
891 | ev_feed_event (EV_A_ events [i], type); |
546 | } |
892 | } |
547 | |
893 | |
548 | /*****************************************************************************/ |
894 | /*****************************************************************************/ |
549 | |
895 | |
550 | void inline_size |
896 | inline_speed void |
551 | anfds_init (ANFD *base, int count) |
|
|
552 | { |
|
|
553 | while (count--) |
|
|
554 | { |
|
|
555 | base->head = 0; |
|
|
556 | base->events = EV_NONE; |
|
|
557 | base->reify = 0; |
|
|
558 | |
|
|
559 | ++base; |
|
|
560 | } |
|
|
561 | } |
|
|
562 | |
|
|
563 | void inline_speed |
|
|
564 | fd_event (EV_P_ int fd, int revents) |
897 | fd_event_nocheck (EV_P_ int fd, int revents) |
565 | { |
898 | { |
566 | ANFD *anfd = anfds + fd; |
899 | ANFD *anfd = anfds + fd; |
567 | ev_io *w; |
900 | ev_io *w; |
568 | |
901 | |
569 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
902 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
573 | if (ev) |
906 | if (ev) |
574 | ev_feed_event (EV_A_ (W)w, ev); |
907 | ev_feed_event (EV_A_ (W)w, ev); |
575 | } |
908 | } |
576 | } |
909 | } |
577 | |
910 | |
|
|
911 | /* do not submit kernel events for fds that have reify set */ |
|
|
912 | /* because that means they changed while we were polling for new events */ |
|
|
913 | inline_speed void |
|
|
914 | fd_event (EV_P_ int fd, int revents) |
|
|
915 | { |
|
|
916 | ANFD *anfd = anfds + fd; |
|
|
917 | |
|
|
918 | if (expect_true (!anfd->reify)) |
|
|
919 | fd_event_nocheck (EV_A_ fd, revents); |
|
|
920 | } |
|
|
921 | |
578 | void |
922 | void |
579 | ev_feed_fd_event (EV_P_ int fd, int revents) |
923 | ev_feed_fd_event (EV_P_ int fd, int revents) |
580 | { |
924 | { |
581 | if (fd >= 0 && fd < anfdmax) |
925 | if (fd >= 0 && fd < anfdmax) |
582 | fd_event (EV_A_ fd, revents); |
926 | fd_event_nocheck (EV_A_ fd, revents); |
583 | } |
927 | } |
584 | |
928 | |
585 | void inline_size |
929 | /* make sure the external fd watch events are in-sync */ |
|
|
930 | /* with the kernel/libev internal state */ |
|
|
931 | inline_size void |
586 | fd_reify (EV_P) |
932 | fd_reify (EV_P) |
587 | { |
933 | { |
588 | int i; |
934 | int i; |
589 | |
935 | |
590 | for (i = 0; i < fdchangecnt; ++i) |
936 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
599 | events |= (unsigned char)w->events; |
945 | events |= (unsigned char)w->events; |
600 | |
946 | |
601 | #if EV_SELECT_IS_WINSOCKET |
947 | #if EV_SELECT_IS_WINSOCKET |
602 | if (events) |
948 | if (events) |
603 | { |
949 | { |
604 | unsigned long argp; |
950 | unsigned long arg; |
605 | anfd->handle = _get_osfhandle (fd); |
951 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
606 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
952 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
607 | } |
953 | } |
608 | #endif |
954 | #endif |
609 | |
955 | |
610 | { |
956 | { |
611 | unsigned char o_events = anfd->events; |
957 | unsigned char o_events = anfd->events; |
612 | unsigned char o_reify = anfd->reify; |
958 | unsigned char o_reify = anfd->reify; |
613 | |
959 | |
614 | anfd->reify = 0; |
960 | anfd->reify = 0; |
615 | anfd->events = events; |
961 | anfd->events = events; |
616 | |
962 | |
617 | if (o_events != events || o_reify & EV_IOFDSET) |
963 | if (o_events != events || o_reify & EV__IOFDSET) |
618 | backend_modify (EV_A_ fd, o_events, events); |
964 | backend_modify (EV_A_ fd, o_events, events); |
619 | } |
965 | } |
620 | } |
966 | } |
621 | |
967 | |
622 | fdchangecnt = 0; |
968 | fdchangecnt = 0; |
623 | } |
969 | } |
624 | |
970 | |
625 | void inline_size |
971 | /* something about the given fd changed */ |
|
|
972 | inline_size void |
626 | fd_change (EV_P_ int fd, int flags) |
973 | fd_change (EV_P_ int fd, int flags) |
627 | { |
974 | { |
628 | unsigned char reify = anfds [fd].reify; |
975 | unsigned char reify = anfds [fd].reify; |
629 | anfds [fd].reify |= flags; |
976 | anfds [fd].reify |= flags; |
630 | |
977 | |
… | |
… | |
634 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
981 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
635 | fdchanges [fdchangecnt - 1] = fd; |
982 | fdchanges [fdchangecnt - 1] = fd; |
636 | } |
983 | } |
637 | } |
984 | } |
638 | |
985 | |
639 | void inline_speed |
986 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
987 | inline_speed void |
640 | fd_kill (EV_P_ int fd) |
988 | fd_kill (EV_P_ int fd) |
641 | { |
989 | { |
642 | ev_io *w; |
990 | ev_io *w; |
643 | |
991 | |
644 | while ((w = (ev_io *)anfds [fd].head)) |
992 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
646 | ev_io_stop (EV_A_ w); |
994 | ev_io_stop (EV_A_ w); |
647 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
995 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
648 | } |
996 | } |
649 | } |
997 | } |
650 | |
998 | |
651 | int inline_size |
999 | /* check whether the given fd is actually valid, for error recovery */ |
|
|
1000 | inline_size int |
652 | fd_valid (int fd) |
1001 | fd_valid (int fd) |
653 | { |
1002 | { |
654 | #ifdef _WIN32 |
1003 | #ifdef _WIN32 |
655 | return _get_osfhandle (fd) != -1; |
1004 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
656 | #else |
1005 | #else |
657 | return fcntl (fd, F_GETFD) != -1; |
1006 | return fcntl (fd, F_GETFD) != -1; |
658 | #endif |
1007 | #endif |
659 | } |
1008 | } |
660 | |
1009 | |
… | |
… | |
664 | { |
1013 | { |
665 | int fd; |
1014 | int fd; |
666 | |
1015 | |
667 | for (fd = 0; fd < anfdmax; ++fd) |
1016 | for (fd = 0; fd < anfdmax; ++fd) |
668 | if (anfds [fd].events) |
1017 | if (anfds [fd].events) |
669 | if (!fd_valid (fd) == -1 && errno == EBADF) |
1018 | if (!fd_valid (fd) && errno == EBADF) |
670 | fd_kill (EV_A_ fd); |
1019 | fd_kill (EV_A_ fd); |
671 | } |
1020 | } |
672 | |
1021 | |
673 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1022 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
674 | static void noinline |
1023 | static void noinline |
… | |
… | |
678 | |
1027 | |
679 | for (fd = anfdmax; fd--; ) |
1028 | for (fd = anfdmax; fd--; ) |
680 | if (anfds [fd].events) |
1029 | if (anfds [fd].events) |
681 | { |
1030 | { |
682 | fd_kill (EV_A_ fd); |
1031 | fd_kill (EV_A_ fd); |
683 | return; |
1032 | break; |
684 | } |
1033 | } |
685 | } |
1034 | } |
686 | |
1035 | |
687 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1036 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
688 | static void noinline |
1037 | static void noinline |
… | |
… | |
692 | |
1041 | |
693 | for (fd = 0; fd < anfdmax; ++fd) |
1042 | for (fd = 0; fd < anfdmax; ++fd) |
694 | if (anfds [fd].events) |
1043 | if (anfds [fd].events) |
695 | { |
1044 | { |
696 | anfds [fd].events = 0; |
1045 | anfds [fd].events = 0; |
|
|
1046 | anfds [fd].emask = 0; |
697 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
1047 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
698 | } |
1048 | } |
699 | } |
1049 | } |
700 | |
1050 | |
701 | /*****************************************************************************/ |
1051 | /* used to prepare libev internal fd's */ |
702 | |
1052 | /* this is not fork-safe */ |
703 | void inline_speed |
1053 | inline_speed void |
704 | upheap (WT *heap, int k) |
|
|
705 | { |
|
|
706 | WT w = heap [k]; |
|
|
707 | |
|
|
708 | while (k) |
|
|
709 | { |
|
|
710 | int p = (k - 1) >> 1; |
|
|
711 | |
|
|
712 | if (heap [p]->at <= w->at) |
|
|
713 | break; |
|
|
714 | |
|
|
715 | heap [k] = heap [p]; |
|
|
716 | ((W)heap [k])->active = k + 1; |
|
|
717 | k = p; |
|
|
718 | } |
|
|
719 | |
|
|
720 | heap [k] = w; |
|
|
721 | ((W)heap [k])->active = k + 1; |
|
|
722 | } |
|
|
723 | |
|
|
724 | void inline_speed |
|
|
725 | downheap (WT *heap, int N, int k) |
|
|
726 | { |
|
|
727 | WT w = heap [k]; |
|
|
728 | |
|
|
729 | for (;;) |
|
|
730 | { |
|
|
731 | int c = (k << 1) + 1; |
|
|
732 | |
|
|
733 | if (c >= N) |
|
|
734 | break; |
|
|
735 | |
|
|
736 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
737 | ? 1 : 0; |
|
|
738 | |
|
|
739 | if (w->at <= heap [c]->at) |
|
|
740 | break; |
|
|
741 | |
|
|
742 | heap [k] = heap [c]; |
|
|
743 | ((W)heap [k])->active = k + 1; |
|
|
744 | |
|
|
745 | k = c; |
|
|
746 | } |
|
|
747 | |
|
|
748 | heap [k] = w; |
|
|
749 | ((W)heap [k])->active = k + 1; |
|
|
750 | } |
|
|
751 | |
|
|
752 | void inline_size |
|
|
753 | adjustheap (WT *heap, int N, int k) |
|
|
754 | { |
|
|
755 | upheap (heap, k); |
|
|
756 | downheap (heap, N, k); |
|
|
757 | } |
|
|
758 | |
|
|
759 | /*****************************************************************************/ |
|
|
760 | |
|
|
761 | typedef struct |
|
|
762 | { |
|
|
763 | WL head; |
|
|
764 | sig_atomic_t volatile gotsig; |
|
|
765 | } ANSIG; |
|
|
766 | |
|
|
767 | static ANSIG *signals; |
|
|
768 | static int signalmax; |
|
|
769 | |
|
|
770 | static int sigpipe [2]; |
|
|
771 | static sig_atomic_t volatile gotsig; |
|
|
772 | static ev_io sigev; |
|
|
773 | |
|
|
774 | void inline_size |
|
|
775 | signals_init (ANSIG *base, int count) |
|
|
776 | { |
|
|
777 | while (count--) |
|
|
778 | { |
|
|
779 | base->head = 0; |
|
|
780 | base->gotsig = 0; |
|
|
781 | |
|
|
782 | ++base; |
|
|
783 | } |
|
|
784 | } |
|
|
785 | |
|
|
786 | static void |
|
|
787 | sighandler (int signum) |
|
|
788 | { |
|
|
789 | #if _WIN32 |
|
|
790 | signal (signum, sighandler); |
|
|
791 | #endif |
|
|
792 | |
|
|
793 | signals [signum - 1].gotsig = 1; |
|
|
794 | |
|
|
795 | if (!gotsig) |
|
|
796 | { |
|
|
797 | int old_errno = errno; |
|
|
798 | gotsig = 1; |
|
|
799 | write (sigpipe [1], &signum, 1); |
|
|
800 | errno = old_errno; |
|
|
801 | } |
|
|
802 | } |
|
|
803 | |
|
|
804 | void noinline |
|
|
805 | ev_feed_signal_event (EV_P_ int signum) |
|
|
806 | { |
|
|
807 | WL w; |
|
|
808 | |
|
|
809 | #if EV_MULTIPLICITY |
|
|
810 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
811 | #endif |
|
|
812 | |
|
|
813 | --signum; |
|
|
814 | |
|
|
815 | if (signum < 0 || signum >= signalmax) |
|
|
816 | return; |
|
|
817 | |
|
|
818 | signals [signum].gotsig = 0; |
|
|
819 | |
|
|
820 | for (w = signals [signum].head; w; w = w->next) |
|
|
821 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
822 | } |
|
|
823 | |
|
|
824 | static void |
|
|
825 | sigcb (EV_P_ ev_io *iow, int revents) |
|
|
826 | { |
|
|
827 | int signum; |
|
|
828 | |
|
|
829 | read (sigpipe [0], &revents, 1); |
|
|
830 | gotsig = 0; |
|
|
831 | |
|
|
832 | for (signum = signalmax; signum--; ) |
|
|
833 | if (signals [signum].gotsig) |
|
|
834 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
835 | } |
|
|
836 | |
|
|
837 | void inline_speed |
|
|
838 | fd_intern (int fd) |
1054 | fd_intern (int fd) |
839 | { |
1055 | { |
840 | #ifdef _WIN32 |
1056 | #ifdef _WIN32 |
841 | int arg = 1; |
1057 | unsigned long arg = 1; |
842 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1058 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
843 | #else |
1059 | #else |
844 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1060 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
845 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1061 | fcntl (fd, F_SETFL, O_NONBLOCK); |
846 | #endif |
1062 | #endif |
847 | } |
1063 | } |
848 | |
1064 | |
|
|
1065 | /*****************************************************************************/ |
|
|
1066 | |
|
|
1067 | /* |
|
|
1068 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
1069 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
1070 | * the branching factor of the d-tree. |
|
|
1071 | */ |
|
|
1072 | |
|
|
1073 | /* |
|
|
1074 | * at the moment we allow libev the luxury of two heaps, |
|
|
1075 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
1076 | * which is more cache-efficient. |
|
|
1077 | * the difference is about 5% with 50000+ watchers. |
|
|
1078 | */ |
|
|
1079 | #if EV_USE_4HEAP |
|
|
1080 | |
|
|
1081 | #define DHEAP 4 |
|
|
1082 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
1083 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
1084 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
1085 | |
|
|
1086 | /* away from the root */ |
|
|
1087 | inline_speed void |
|
|
1088 | downheap (ANHE *heap, int N, int k) |
|
|
1089 | { |
|
|
1090 | ANHE he = heap [k]; |
|
|
1091 | ANHE *E = heap + N + HEAP0; |
|
|
1092 | |
|
|
1093 | for (;;) |
|
|
1094 | { |
|
|
1095 | ev_tstamp minat; |
|
|
1096 | ANHE *minpos; |
|
|
1097 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
|
|
1098 | |
|
|
1099 | /* find minimum child */ |
|
|
1100 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
1101 | { |
|
|
1102 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
1103 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
1104 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
1105 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
1106 | } |
|
|
1107 | else if (pos < E) |
|
|
1108 | { |
|
|
1109 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
1110 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
1111 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
1112 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
1113 | } |
|
|
1114 | else |
|
|
1115 | break; |
|
|
1116 | |
|
|
1117 | if (ANHE_at (he) <= minat) |
|
|
1118 | break; |
|
|
1119 | |
|
|
1120 | heap [k] = *minpos; |
|
|
1121 | ev_active (ANHE_w (*minpos)) = k; |
|
|
1122 | |
|
|
1123 | k = minpos - heap; |
|
|
1124 | } |
|
|
1125 | |
|
|
1126 | heap [k] = he; |
|
|
1127 | ev_active (ANHE_w (he)) = k; |
|
|
1128 | } |
|
|
1129 | |
|
|
1130 | #else /* 4HEAP */ |
|
|
1131 | |
|
|
1132 | #define HEAP0 1 |
|
|
1133 | #define HPARENT(k) ((k) >> 1) |
|
|
1134 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
1135 | |
|
|
1136 | /* away from the root */ |
|
|
1137 | inline_speed void |
|
|
1138 | downheap (ANHE *heap, int N, int k) |
|
|
1139 | { |
|
|
1140 | ANHE he = heap [k]; |
|
|
1141 | |
|
|
1142 | for (;;) |
|
|
1143 | { |
|
|
1144 | int c = k << 1; |
|
|
1145 | |
|
|
1146 | if (c >= N + HEAP0) |
|
|
1147 | break; |
|
|
1148 | |
|
|
1149 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
1150 | ? 1 : 0; |
|
|
1151 | |
|
|
1152 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
1153 | break; |
|
|
1154 | |
|
|
1155 | heap [k] = heap [c]; |
|
|
1156 | ev_active (ANHE_w (heap [k])) = k; |
|
|
1157 | |
|
|
1158 | k = c; |
|
|
1159 | } |
|
|
1160 | |
|
|
1161 | heap [k] = he; |
|
|
1162 | ev_active (ANHE_w (he)) = k; |
|
|
1163 | } |
|
|
1164 | #endif |
|
|
1165 | |
|
|
1166 | /* towards the root */ |
|
|
1167 | inline_speed void |
|
|
1168 | upheap (ANHE *heap, int k) |
|
|
1169 | { |
|
|
1170 | ANHE he = heap [k]; |
|
|
1171 | |
|
|
1172 | for (;;) |
|
|
1173 | { |
|
|
1174 | int p = HPARENT (k); |
|
|
1175 | |
|
|
1176 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
1177 | break; |
|
|
1178 | |
|
|
1179 | heap [k] = heap [p]; |
|
|
1180 | ev_active (ANHE_w (heap [k])) = k; |
|
|
1181 | k = p; |
|
|
1182 | } |
|
|
1183 | |
|
|
1184 | heap [k] = he; |
|
|
1185 | ev_active (ANHE_w (he)) = k; |
|
|
1186 | } |
|
|
1187 | |
|
|
1188 | /* move an element suitably so it is in a correct place */ |
|
|
1189 | inline_size void |
|
|
1190 | adjustheap (ANHE *heap, int N, int k) |
|
|
1191 | { |
|
|
1192 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
|
|
1193 | upheap (heap, k); |
|
|
1194 | else |
|
|
1195 | downheap (heap, N, k); |
|
|
1196 | } |
|
|
1197 | |
|
|
1198 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
1199 | inline_size void |
|
|
1200 | reheap (ANHE *heap, int N) |
|
|
1201 | { |
|
|
1202 | int i; |
|
|
1203 | |
|
|
1204 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
1205 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
1206 | for (i = 0; i < N; ++i) |
|
|
1207 | upheap (heap, i + HEAP0); |
|
|
1208 | } |
|
|
1209 | |
|
|
1210 | /*****************************************************************************/ |
|
|
1211 | |
|
|
1212 | /* associate signal watchers to a signal signal */ |
|
|
1213 | typedef struct |
|
|
1214 | { |
|
|
1215 | EV_ATOMIC_T pending; |
|
|
1216 | #if EV_MULTIPLICITY |
|
|
1217 | EV_P; |
|
|
1218 | #endif |
|
|
1219 | WL head; |
|
|
1220 | } ANSIG; |
|
|
1221 | |
|
|
1222 | static ANSIG signals [EV_NSIG - 1]; |
|
|
1223 | |
|
|
1224 | /*****************************************************************************/ |
|
|
1225 | |
|
|
1226 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
|
|
1227 | |
849 | static void noinline |
1228 | static void noinline |
850 | siginit (EV_P) |
1229 | evpipe_init (EV_P) |
851 | { |
1230 | { |
|
|
1231 | if (!ev_is_active (&pipe_w)) |
|
|
1232 | { |
|
|
1233 | # if EV_USE_EVENTFD |
|
|
1234 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1235 | if (evfd < 0 && errno == EINVAL) |
|
|
1236 | evfd = eventfd (0, 0); |
|
|
1237 | |
|
|
1238 | if (evfd >= 0) |
|
|
1239 | { |
|
|
1240 | evpipe [0] = -1; |
|
|
1241 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
|
|
1242 | ev_io_set (&pipe_w, evfd, EV_READ); |
|
|
1243 | } |
|
|
1244 | else |
|
|
1245 | # endif |
|
|
1246 | { |
|
|
1247 | while (pipe (evpipe)) |
|
|
1248 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
1249 | |
852 | fd_intern (sigpipe [0]); |
1250 | fd_intern (evpipe [0]); |
853 | fd_intern (sigpipe [1]); |
1251 | fd_intern (evpipe [1]); |
|
|
1252 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
|
|
1253 | } |
854 | |
1254 | |
855 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
|
|
856 | ev_io_start (EV_A_ &sigev); |
1255 | ev_io_start (EV_A_ &pipe_w); |
857 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1256 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1257 | } |
|
|
1258 | } |
|
|
1259 | |
|
|
1260 | inline_size void |
|
|
1261 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1262 | { |
|
|
1263 | if (!*flag) |
|
|
1264 | { |
|
|
1265 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1266 | char dummy; |
|
|
1267 | |
|
|
1268 | *flag = 1; |
|
|
1269 | |
|
|
1270 | #if EV_USE_EVENTFD |
|
|
1271 | if (evfd >= 0) |
|
|
1272 | { |
|
|
1273 | uint64_t counter = 1; |
|
|
1274 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1275 | } |
|
|
1276 | else |
|
|
1277 | #endif |
|
|
1278 | write (evpipe [1], &dummy, 1); |
|
|
1279 | |
|
|
1280 | errno = old_errno; |
|
|
1281 | } |
|
|
1282 | } |
|
|
1283 | |
|
|
1284 | /* called whenever the libev signal pipe */ |
|
|
1285 | /* got some events (signal, async) */ |
|
|
1286 | static void |
|
|
1287 | pipecb (EV_P_ ev_io *iow, int revents) |
|
|
1288 | { |
|
|
1289 | int i; |
|
|
1290 | |
|
|
1291 | #if EV_USE_EVENTFD |
|
|
1292 | if (evfd >= 0) |
|
|
1293 | { |
|
|
1294 | uint64_t counter; |
|
|
1295 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1296 | } |
|
|
1297 | else |
|
|
1298 | #endif |
|
|
1299 | { |
|
|
1300 | char dummy; |
|
|
1301 | read (evpipe [0], &dummy, 1); |
|
|
1302 | } |
|
|
1303 | |
|
|
1304 | if (sig_pending) |
|
|
1305 | { |
|
|
1306 | sig_pending = 0; |
|
|
1307 | |
|
|
1308 | for (i = EV_NSIG - 1; i--; ) |
|
|
1309 | if (expect_false (signals [i].pending)) |
|
|
1310 | ev_feed_signal_event (EV_A_ i + 1); |
|
|
1311 | } |
|
|
1312 | |
|
|
1313 | #if EV_ASYNC_ENABLE |
|
|
1314 | if (async_pending) |
|
|
1315 | { |
|
|
1316 | async_pending = 0; |
|
|
1317 | |
|
|
1318 | for (i = asynccnt; i--; ) |
|
|
1319 | if (asyncs [i]->sent) |
|
|
1320 | { |
|
|
1321 | asyncs [i]->sent = 0; |
|
|
1322 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
1323 | } |
|
|
1324 | } |
|
|
1325 | #endif |
858 | } |
1326 | } |
859 | |
1327 | |
860 | /*****************************************************************************/ |
1328 | /*****************************************************************************/ |
861 | |
1329 | |
|
|
1330 | static void |
|
|
1331 | ev_sighandler (int signum) |
|
|
1332 | { |
|
|
1333 | #if EV_MULTIPLICITY |
|
|
1334 | EV_P = signals [signum - 1].loop; |
|
|
1335 | #endif |
|
|
1336 | |
|
|
1337 | #ifdef _WIN32 |
|
|
1338 | signal (signum, ev_sighandler); |
|
|
1339 | #endif |
|
|
1340 | |
|
|
1341 | signals [signum - 1].pending = 1; |
|
|
1342 | evpipe_write (EV_A_ &sig_pending); |
|
|
1343 | } |
|
|
1344 | |
|
|
1345 | void noinline |
|
|
1346 | ev_feed_signal_event (EV_P_ int signum) |
|
|
1347 | { |
|
|
1348 | WL w; |
|
|
1349 | |
|
|
1350 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1351 | return; |
|
|
1352 | |
|
|
1353 | --signum; |
|
|
1354 | |
|
|
1355 | #if EV_MULTIPLICITY |
|
|
1356 | /* it is permissible to try to feed a signal to the wrong loop */ |
|
|
1357 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
|
|
1358 | |
|
|
1359 | if (expect_false (signals [signum].loop != EV_A)) |
|
|
1360 | return; |
|
|
1361 | #endif |
|
|
1362 | |
|
|
1363 | signals [signum].pending = 0; |
|
|
1364 | |
|
|
1365 | for (w = signals [signum].head; w; w = w->next) |
|
|
1366 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
1367 | } |
|
|
1368 | |
|
|
1369 | #if EV_USE_SIGNALFD |
|
|
1370 | static void |
|
|
1371 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1372 | { |
|
|
1373 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1374 | |
|
|
1375 | for (;;) |
|
|
1376 | { |
|
|
1377 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1378 | |
|
|
1379 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1380 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1381 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1382 | |
|
|
1383 | if (res < (ssize_t)sizeof (si)) |
|
|
1384 | break; |
|
|
1385 | } |
|
|
1386 | } |
|
|
1387 | #endif |
|
|
1388 | |
|
|
1389 | #endif |
|
|
1390 | |
|
|
1391 | /*****************************************************************************/ |
|
|
1392 | |
|
|
1393 | #if EV_CHILD_ENABLE |
862 | static WL childs [EV_PID_HASHSIZE]; |
1394 | static WL childs [EV_PID_HASHSIZE]; |
863 | |
1395 | |
864 | #ifndef _WIN32 |
|
|
865 | |
|
|
866 | static ev_signal childev; |
1396 | static ev_signal childev; |
867 | |
1397 | |
868 | void inline_speed |
1398 | #ifndef WIFCONTINUED |
|
|
1399 | # define WIFCONTINUED(status) 0 |
|
|
1400 | #endif |
|
|
1401 | |
|
|
1402 | /* handle a single child status event */ |
|
|
1403 | inline_speed void |
869 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1404 | child_reap (EV_P_ int chain, int pid, int status) |
870 | { |
1405 | { |
871 | ev_child *w; |
1406 | ev_child *w; |
|
|
1407 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
872 | |
1408 | |
873 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1409 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1410 | { |
874 | if (w->pid == pid || !w->pid) |
1411 | if ((w->pid == pid || !w->pid) |
|
|
1412 | && (!traced || (w->flags & 1))) |
875 | { |
1413 | { |
876 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1414 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
877 | w->rpid = pid; |
1415 | w->rpid = pid; |
878 | w->rstatus = status; |
1416 | w->rstatus = status; |
879 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1417 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
880 | } |
1418 | } |
|
|
1419 | } |
881 | } |
1420 | } |
882 | |
1421 | |
883 | #ifndef WCONTINUED |
1422 | #ifndef WCONTINUED |
884 | # define WCONTINUED 0 |
1423 | # define WCONTINUED 0 |
885 | #endif |
1424 | #endif |
886 | |
1425 | |
|
|
1426 | /* called on sigchld etc., calls waitpid */ |
887 | static void |
1427 | static void |
888 | childcb (EV_P_ ev_signal *sw, int revents) |
1428 | childcb (EV_P_ ev_signal *sw, int revents) |
889 | { |
1429 | { |
890 | int pid, status; |
1430 | int pid, status; |
891 | |
1431 | |
… | |
… | |
894 | if (!WCONTINUED |
1434 | if (!WCONTINUED |
895 | || errno != EINVAL |
1435 | || errno != EINVAL |
896 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1436 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
897 | return; |
1437 | return; |
898 | |
1438 | |
899 | /* make sure we are called again until all childs have been reaped */ |
1439 | /* make sure we are called again until all children have been reaped */ |
900 | /* we need to do it this way so that the callback gets called before we continue */ |
1440 | /* we need to do it this way so that the callback gets called before we continue */ |
901 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1441 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
902 | |
1442 | |
903 | child_reap (EV_A_ sw, pid, pid, status); |
1443 | child_reap (EV_A_ pid, pid, status); |
904 | if (EV_PID_HASHSIZE > 1) |
1444 | if ((EV_PID_HASHSIZE) > 1) |
905 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1445 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
906 | } |
1446 | } |
907 | |
1447 | |
908 | #endif |
1448 | #endif |
909 | |
1449 | |
910 | /*****************************************************************************/ |
1450 | /*****************************************************************************/ |
… | |
… | |
972 | /* kqueue is borked on everything but netbsd apparently */ |
1512 | /* kqueue is borked on everything but netbsd apparently */ |
973 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1513 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
974 | flags &= ~EVBACKEND_KQUEUE; |
1514 | flags &= ~EVBACKEND_KQUEUE; |
975 | #endif |
1515 | #endif |
976 | #ifdef __APPLE__ |
1516 | #ifdef __APPLE__ |
977 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1517 | /* only select works correctly on that "unix-certified" platform */ |
978 | flags &= ~EVBACKEND_POLL; |
1518 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1519 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
|
|
1520 | #endif |
|
|
1521 | #ifdef __FreeBSD__ |
|
|
1522 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
979 | #endif |
1523 | #endif |
980 | |
1524 | |
981 | return flags; |
1525 | return flags; |
982 | } |
1526 | } |
983 | |
1527 | |
… | |
… | |
997 | ev_backend (EV_P) |
1541 | ev_backend (EV_P) |
998 | { |
1542 | { |
999 | return backend; |
1543 | return backend; |
1000 | } |
1544 | } |
1001 | |
1545 | |
|
|
1546 | #if EV_FEATURE_API |
1002 | unsigned int |
1547 | unsigned int |
1003 | ev_loop_count (EV_P) |
1548 | ev_iteration (EV_P) |
1004 | { |
1549 | { |
1005 | return loop_count; |
1550 | return loop_count; |
1006 | } |
1551 | } |
1007 | |
1552 | |
|
|
1553 | unsigned int |
|
|
1554 | ev_depth (EV_P) |
|
|
1555 | { |
|
|
1556 | return loop_depth; |
|
|
1557 | } |
|
|
1558 | |
1008 | void |
1559 | void |
1009 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1560 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1010 | { |
1561 | { |
1011 | io_blocktime = interval; |
1562 | io_blocktime = interval; |
1012 | } |
1563 | } |
… | |
… | |
1015 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1566 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1016 | { |
1567 | { |
1017 | timeout_blocktime = interval; |
1568 | timeout_blocktime = interval; |
1018 | } |
1569 | } |
1019 | |
1570 | |
|
|
1571 | void |
|
|
1572 | ev_set_userdata (EV_P_ void *data) |
|
|
1573 | { |
|
|
1574 | userdata = data; |
|
|
1575 | } |
|
|
1576 | |
|
|
1577 | void * |
|
|
1578 | ev_userdata (EV_P) |
|
|
1579 | { |
|
|
1580 | return userdata; |
|
|
1581 | } |
|
|
1582 | |
|
|
1583 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
1584 | { |
|
|
1585 | invoke_cb = invoke_pending_cb; |
|
|
1586 | } |
|
|
1587 | |
|
|
1588 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
|
|
1589 | { |
|
|
1590 | release_cb = release; |
|
|
1591 | acquire_cb = acquire; |
|
|
1592 | } |
|
|
1593 | #endif |
|
|
1594 | |
|
|
1595 | /* initialise a loop structure, must be zero-initialised */ |
1020 | static void noinline |
1596 | static void noinline |
1021 | loop_init (EV_P_ unsigned int flags) |
1597 | loop_init (EV_P_ unsigned int flags) |
1022 | { |
1598 | { |
1023 | if (!backend) |
1599 | if (!backend) |
1024 | { |
1600 | { |
|
|
1601 | #if EV_USE_REALTIME |
|
|
1602 | if (!have_realtime) |
|
|
1603 | { |
|
|
1604 | struct timespec ts; |
|
|
1605 | |
|
|
1606 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1607 | have_realtime = 1; |
|
|
1608 | } |
|
|
1609 | #endif |
|
|
1610 | |
1025 | #if EV_USE_MONOTONIC |
1611 | #if EV_USE_MONOTONIC |
|
|
1612 | if (!have_monotonic) |
1026 | { |
1613 | { |
1027 | struct timespec ts; |
1614 | struct timespec ts; |
|
|
1615 | |
1028 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1616 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1029 | have_monotonic = 1; |
1617 | have_monotonic = 1; |
1030 | } |
1618 | } |
1031 | #endif |
1619 | #endif |
1032 | |
|
|
1033 | ev_rt_now = ev_time (); |
|
|
1034 | mn_now = get_clock (); |
|
|
1035 | now_floor = mn_now; |
|
|
1036 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1037 | |
|
|
1038 | io_blocktime = 0.; |
|
|
1039 | timeout_blocktime = 0.; |
|
|
1040 | |
1620 | |
1041 | /* pid check not overridable via env */ |
1621 | /* pid check not overridable via env */ |
1042 | #ifndef _WIN32 |
1622 | #ifndef _WIN32 |
1043 | if (flags & EVFLAG_FORKCHECK) |
1623 | if (flags & EVFLAG_FORKCHECK) |
1044 | curpid = getpid (); |
1624 | curpid = getpid (); |
… | |
… | |
1047 | if (!(flags & EVFLAG_NOENV) |
1627 | if (!(flags & EVFLAG_NOENV) |
1048 | && !enable_secure () |
1628 | && !enable_secure () |
1049 | && getenv ("LIBEV_FLAGS")) |
1629 | && getenv ("LIBEV_FLAGS")) |
1050 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1630 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1051 | |
1631 | |
|
|
1632 | ev_rt_now = ev_time (); |
|
|
1633 | mn_now = get_clock (); |
|
|
1634 | now_floor = mn_now; |
|
|
1635 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1636 | #if EV_FEATURE_API |
|
|
1637 | invoke_cb = ev_invoke_pending; |
|
|
1638 | #endif |
|
|
1639 | |
|
|
1640 | io_blocktime = 0.; |
|
|
1641 | timeout_blocktime = 0.; |
|
|
1642 | backend = 0; |
|
|
1643 | backend_fd = -1; |
|
|
1644 | sig_pending = 0; |
|
|
1645 | #if EV_ASYNC_ENABLE |
|
|
1646 | async_pending = 0; |
|
|
1647 | #endif |
|
|
1648 | #if EV_USE_INOTIFY |
|
|
1649 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
|
|
1650 | #endif |
|
|
1651 | #if EV_USE_SIGNALFD |
|
|
1652 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
|
|
1653 | #endif |
|
|
1654 | |
1052 | if (!(flags & 0x0000ffffUL)) |
1655 | if (!(flags & 0x0000ffffU)) |
1053 | flags |= ev_recommended_backends (); |
1656 | flags |= ev_recommended_backends (); |
1054 | |
|
|
1055 | backend = 0; |
|
|
1056 | backend_fd = -1; |
|
|
1057 | #if EV_USE_INOTIFY |
|
|
1058 | fs_fd = -2; |
|
|
1059 | #endif |
|
|
1060 | |
1657 | |
1061 | #if EV_USE_PORT |
1658 | #if EV_USE_PORT |
1062 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1659 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1063 | #endif |
1660 | #endif |
1064 | #if EV_USE_KQUEUE |
1661 | #if EV_USE_KQUEUE |
… | |
… | |
1072 | #endif |
1669 | #endif |
1073 | #if EV_USE_SELECT |
1670 | #if EV_USE_SELECT |
1074 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1671 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1075 | #endif |
1672 | #endif |
1076 | |
1673 | |
|
|
1674 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1675 | |
|
|
1676 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1077 | ev_init (&sigev, sigcb); |
1677 | ev_init (&pipe_w, pipecb); |
1078 | ev_set_priority (&sigev, EV_MAXPRI); |
1678 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1679 | #endif |
1079 | } |
1680 | } |
1080 | } |
1681 | } |
1081 | |
1682 | |
|
|
1683 | /* free up a loop structure */ |
1082 | static void noinline |
1684 | static void noinline |
1083 | loop_destroy (EV_P) |
1685 | loop_destroy (EV_P) |
1084 | { |
1686 | { |
1085 | int i; |
1687 | int i; |
|
|
1688 | |
|
|
1689 | if (ev_is_active (&pipe_w)) |
|
|
1690 | { |
|
|
1691 | /*ev_ref (EV_A);*/ |
|
|
1692 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
|
|
1693 | |
|
|
1694 | #if EV_USE_EVENTFD |
|
|
1695 | if (evfd >= 0) |
|
|
1696 | close (evfd); |
|
|
1697 | #endif |
|
|
1698 | |
|
|
1699 | if (evpipe [0] >= 0) |
|
|
1700 | { |
|
|
1701 | EV_WIN32_CLOSE_FD (evpipe [0]); |
|
|
1702 | EV_WIN32_CLOSE_FD (evpipe [1]); |
|
|
1703 | } |
|
|
1704 | } |
|
|
1705 | |
|
|
1706 | #if EV_USE_SIGNALFD |
|
|
1707 | if (ev_is_active (&sigfd_w)) |
|
|
1708 | close (sigfd); |
|
|
1709 | #endif |
1086 | |
1710 | |
1087 | #if EV_USE_INOTIFY |
1711 | #if EV_USE_INOTIFY |
1088 | if (fs_fd >= 0) |
1712 | if (fs_fd >= 0) |
1089 | close (fs_fd); |
1713 | close (fs_fd); |
1090 | #endif |
1714 | #endif |
… | |
… | |
1114 | #if EV_IDLE_ENABLE |
1738 | #if EV_IDLE_ENABLE |
1115 | array_free (idle, [i]); |
1739 | array_free (idle, [i]); |
1116 | #endif |
1740 | #endif |
1117 | } |
1741 | } |
1118 | |
1742 | |
1119 | ev_free (anfds); anfdmax = 0; |
1743 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1120 | |
1744 | |
1121 | /* have to use the microsoft-never-gets-it-right macro */ |
1745 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1746 | array_free (rfeed, EMPTY); |
1122 | array_free (fdchange, EMPTY); |
1747 | array_free (fdchange, EMPTY); |
1123 | array_free (timer, EMPTY); |
1748 | array_free (timer, EMPTY); |
1124 | #if EV_PERIODIC_ENABLE |
1749 | #if EV_PERIODIC_ENABLE |
1125 | array_free (periodic, EMPTY); |
1750 | array_free (periodic, EMPTY); |
1126 | #endif |
1751 | #endif |
1127 | #if EV_FORK_ENABLE |
1752 | #if EV_FORK_ENABLE |
1128 | array_free (fork, EMPTY); |
1753 | array_free (fork, EMPTY); |
1129 | #endif |
1754 | #endif |
1130 | array_free (prepare, EMPTY); |
1755 | array_free (prepare, EMPTY); |
1131 | array_free (check, EMPTY); |
1756 | array_free (check, EMPTY); |
|
|
1757 | #if EV_ASYNC_ENABLE |
|
|
1758 | array_free (async, EMPTY); |
|
|
1759 | #endif |
1132 | |
1760 | |
1133 | backend = 0; |
1761 | backend = 0; |
1134 | } |
1762 | } |
1135 | |
1763 | |
|
|
1764 | #if EV_USE_INOTIFY |
1136 | void inline_size infy_fork (EV_P); |
1765 | inline_size void infy_fork (EV_P); |
|
|
1766 | #endif |
1137 | |
1767 | |
1138 | void inline_size |
1768 | inline_size void |
1139 | loop_fork (EV_P) |
1769 | loop_fork (EV_P) |
1140 | { |
1770 | { |
1141 | #if EV_USE_PORT |
1771 | #if EV_USE_PORT |
1142 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1772 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1143 | #endif |
1773 | #endif |
… | |
… | |
1149 | #endif |
1779 | #endif |
1150 | #if EV_USE_INOTIFY |
1780 | #if EV_USE_INOTIFY |
1151 | infy_fork (EV_A); |
1781 | infy_fork (EV_A); |
1152 | #endif |
1782 | #endif |
1153 | |
1783 | |
1154 | if (ev_is_active (&sigev)) |
1784 | if (ev_is_active (&pipe_w)) |
1155 | { |
1785 | { |
1156 | /* default loop */ |
1786 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1787 | /* while we modify the fd vars */ |
|
|
1788 | sig_pending = 1; |
|
|
1789 | #if EV_ASYNC_ENABLE |
|
|
1790 | async_pending = 1; |
|
|
1791 | #endif |
1157 | |
1792 | |
1158 | ev_ref (EV_A); |
1793 | ev_ref (EV_A); |
1159 | ev_io_stop (EV_A_ &sigev); |
1794 | ev_io_stop (EV_A_ &pipe_w); |
1160 | close (sigpipe [0]); |
|
|
1161 | close (sigpipe [1]); |
|
|
1162 | |
1795 | |
1163 | while (pipe (sigpipe)) |
1796 | #if EV_USE_EVENTFD |
1164 | syserr ("(libev) error creating pipe"); |
1797 | if (evfd >= 0) |
|
|
1798 | close (evfd); |
|
|
1799 | #endif |
1165 | |
1800 | |
|
|
1801 | if (evpipe [0] >= 0) |
|
|
1802 | { |
|
|
1803 | EV_WIN32_CLOSE_FD (evpipe [0]); |
|
|
1804 | EV_WIN32_CLOSE_FD (evpipe [1]); |
|
|
1805 | } |
|
|
1806 | |
|
|
1807 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1166 | siginit (EV_A); |
1808 | evpipe_init (EV_A); |
|
|
1809 | /* now iterate over everything, in case we missed something */ |
|
|
1810 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1811 | #endif |
1167 | } |
1812 | } |
1168 | |
1813 | |
1169 | postfork = 0; |
1814 | postfork = 0; |
1170 | } |
1815 | } |
1171 | |
1816 | |
1172 | #if EV_MULTIPLICITY |
1817 | #if EV_MULTIPLICITY |
|
|
1818 | |
1173 | struct ev_loop * |
1819 | struct ev_loop * |
1174 | ev_loop_new (unsigned int flags) |
1820 | ev_loop_new (unsigned int flags) |
1175 | { |
1821 | { |
1176 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1822 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1177 | |
1823 | |
1178 | memset (loop, 0, sizeof (struct ev_loop)); |
1824 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1179 | |
|
|
1180 | loop_init (EV_A_ flags); |
1825 | loop_init (EV_A_ flags); |
1181 | |
1826 | |
1182 | if (ev_backend (EV_A)) |
1827 | if (ev_backend (EV_A)) |
1183 | return loop; |
1828 | return EV_A; |
1184 | |
1829 | |
1185 | return 0; |
1830 | return 0; |
1186 | } |
1831 | } |
1187 | |
1832 | |
1188 | void |
1833 | void |
… | |
… | |
1193 | } |
1838 | } |
1194 | |
1839 | |
1195 | void |
1840 | void |
1196 | ev_loop_fork (EV_P) |
1841 | ev_loop_fork (EV_P) |
1197 | { |
1842 | { |
1198 | postfork = 1; |
1843 | postfork = 1; /* must be in line with ev_default_fork */ |
1199 | } |
1844 | } |
|
|
1845 | #endif /* multiplicity */ |
1200 | |
1846 | |
|
|
1847 | #if EV_VERIFY |
|
|
1848 | static void noinline |
|
|
1849 | verify_watcher (EV_P_ W w) |
|
|
1850 | { |
|
|
1851 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1852 | |
|
|
1853 | if (w->pending) |
|
|
1854 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1855 | } |
|
|
1856 | |
|
|
1857 | static void noinline |
|
|
1858 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1859 | { |
|
|
1860 | int i; |
|
|
1861 | |
|
|
1862 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1863 | { |
|
|
1864 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1865 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1866 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1867 | |
|
|
1868 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1869 | } |
|
|
1870 | } |
|
|
1871 | |
|
|
1872 | static void noinline |
|
|
1873 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1874 | { |
|
|
1875 | while (cnt--) |
|
|
1876 | { |
|
|
1877 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1878 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1879 | } |
|
|
1880 | } |
|
|
1881 | #endif |
|
|
1882 | |
|
|
1883 | #if EV_FEATURE_API |
|
|
1884 | void |
|
|
1885 | ev_verify (EV_P) |
|
|
1886 | { |
|
|
1887 | #if EV_VERIFY |
|
|
1888 | int i; |
|
|
1889 | WL w; |
|
|
1890 | |
|
|
1891 | assert (activecnt >= -1); |
|
|
1892 | |
|
|
1893 | assert (fdchangemax >= fdchangecnt); |
|
|
1894 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1895 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1896 | |
|
|
1897 | assert (anfdmax >= 0); |
|
|
1898 | for (i = 0; i < anfdmax; ++i) |
|
|
1899 | for (w = anfds [i].head; w; w = w->next) |
|
|
1900 | { |
|
|
1901 | verify_watcher (EV_A_ (W)w); |
|
|
1902 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1903 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1904 | } |
|
|
1905 | |
|
|
1906 | assert (timermax >= timercnt); |
|
|
1907 | verify_heap (EV_A_ timers, timercnt); |
|
|
1908 | |
|
|
1909 | #if EV_PERIODIC_ENABLE |
|
|
1910 | assert (periodicmax >= periodiccnt); |
|
|
1911 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1912 | #endif |
|
|
1913 | |
|
|
1914 | for (i = NUMPRI; i--; ) |
|
|
1915 | { |
|
|
1916 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1917 | #if EV_IDLE_ENABLE |
|
|
1918 | assert (idleall >= 0); |
|
|
1919 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1920 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1921 | #endif |
|
|
1922 | } |
|
|
1923 | |
|
|
1924 | #if EV_FORK_ENABLE |
|
|
1925 | assert (forkmax >= forkcnt); |
|
|
1926 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1927 | #endif |
|
|
1928 | |
|
|
1929 | #if EV_ASYNC_ENABLE |
|
|
1930 | assert (asyncmax >= asynccnt); |
|
|
1931 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1932 | #endif |
|
|
1933 | |
|
|
1934 | #if EV_PREPARE_ENABLE |
|
|
1935 | assert (preparemax >= preparecnt); |
|
|
1936 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1937 | #endif |
|
|
1938 | |
|
|
1939 | #if EV_CHECK_ENABLE |
|
|
1940 | assert (checkmax >= checkcnt); |
|
|
1941 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1942 | #endif |
|
|
1943 | |
|
|
1944 | # if 0 |
|
|
1945 | #if EV_CHILD_ENABLE |
|
|
1946 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1947 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
1948 | #endif |
|
|
1949 | # endif |
|
|
1950 | #endif |
|
|
1951 | } |
1201 | #endif |
1952 | #endif |
1202 | |
1953 | |
1203 | #if EV_MULTIPLICITY |
1954 | #if EV_MULTIPLICITY |
1204 | struct ev_loop * |
1955 | struct ev_loop * |
1205 | ev_default_loop_init (unsigned int flags) |
1956 | ev_default_loop_init (unsigned int flags) |
1206 | #else |
1957 | #else |
1207 | int |
1958 | int |
1208 | ev_default_loop (unsigned int flags) |
1959 | ev_default_loop (unsigned int flags) |
1209 | #endif |
1960 | #endif |
1210 | { |
1961 | { |
1211 | if (sigpipe [0] == sigpipe [1]) |
|
|
1212 | if (pipe (sigpipe)) |
|
|
1213 | return 0; |
|
|
1214 | |
|
|
1215 | if (!ev_default_loop_ptr) |
1962 | if (!ev_default_loop_ptr) |
1216 | { |
1963 | { |
1217 | #if EV_MULTIPLICITY |
1964 | #if EV_MULTIPLICITY |
1218 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1965 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1219 | #else |
1966 | #else |
1220 | ev_default_loop_ptr = 1; |
1967 | ev_default_loop_ptr = 1; |
1221 | #endif |
1968 | #endif |
1222 | |
1969 | |
1223 | loop_init (EV_A_ flags); |
1970 | loop_init (EV_A_ flags); |
1224 | |
1971 | |
1225 | if (ev_backend (EV_A)) |
1972 | if (ev_backend (EV_A)) |
1226 | { |
1973 | { |
1227 | siginit (EV_A); |
1974 | #if EV_CHILD_ENABLE |
1228 | |
|
|
1229 | #ifndef _WIN32 |
|
|
1230 | ev_signal_init (&childev, childcb, SIGCHLD); |
1975 | ev_signal_init (&childev, childcb, SIGCHLD); |
1231 | ev_set_priority (&childev, EV_MAXPRI); |
1976 | ev_set_priority (&childev, EV_MAXPRI); |
1232 | ev_signal_start (EV_A_ &childev); |
1977 | ev_signal_start (EV_A_ &childev); |
1233 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1978 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1234 | #endif |
1979 | #endif |
… | |
… | |
1242 | |
1987 | |
1243 | void |
1988 | void |
1244 | ev_default_destroy (void) |
1989 | ev_default_destroy (void) |
1245 | { |
1990 | { |
1246 | #if EV_MULTIPLICITY |
1991 | #if EV_MULTIPLICITY |
1247 | struct ev_loop *loop = ev_default_loop_ptr; |
1992 | EV_P = ev_default_loop_ptr; |
1248 | #endif |
1993 | #endif |
1249 | |
1994 | |
1250 | #ifndef _WIN32 |
1995 | ev_default_loop_ptr = 0; |
|
|
1996 | |
|
|
1997 | #if EV_CHILD_ENABLE |
1251 | ev_ref (EV_A); /* child watcher */ |
1998 | ev_ref (EV_A); /* child watcher */ |
1252 | ev_signal_stop (EV_A_ &childev); |
1999 | ev_signal_stop (EV_A_ &childev); |
1253 | #endif |
2000 | #endif |
1254 | |
2001 | |
1255 | ev_ref (EV_A); /* signal watcher */ |
|
|
1256 | ev_io_stop (EV_A_ &sigev); |
|
|
1257 | |
|
|
1258 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1259 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1260 | |
|
|
1261 | loop_destroy (EV_A); |
2002 | loop_destroy (EV_A); |
1262 | } |
2003 | } |
1263 | |
2004 | |
1264 | void |
2005 | void |
1265 | ev_default_fork (void) |
2006 | ev_default_fork (void) |
1266 | { |
2007 | { |
1267 | #if EV_MULTIPLICITY |
2008 | #if EV_MULTIPLICITY |
1268 | struct ev_loop *loop = ev_default_loop_ptr; |
2009 | EV_P = ev_default_loop_ptr; |
1269 | #endif |
2010 | #endif |
1270 | |
2011 | |
1271 | if (backend) |
2012 | postfork = 1; /* must be in line with ev_loop_fork */ |
1272 | postfork = 1; |
|
|
1273 | } |
2013 | } |
1274 | |
2014 | |
1275 | /*****************************************************************************/ |
2015 | /*****************************************************************************/ |
1276 | |
2016 | |
1277 | void |
2017 | void |
1278 | ev_invoke (EV_P_ void *w, int revents) |
2018 | ev_invoke (EV_P_ void *w, int revents) |
1279 | { |
2019 | { |
1280 | EV_CB_INVOKE ((W)w, revents); |
2020 | EV_CB_INVOKE ((W)w, revents); |
1281 | } |
2021 | } |
1282 | |
2022 | |
1283 | void inline_speed |
2023 | unsigned int |
1284 | call_pending (EV_P) |
2024 | ev_pending_count (EV_P) |
|
|
2025 | { |
|
|
2026 | int pri; |
|
|
2027 | unsigned int count = 0; |
|
|
2028 | |
|
|
2029 | for (pri = NUMPRI; pri--; ) |
|
|
2030 | count += pendingcnt [pri]; |
|
|
2031 | |
|
|
2032 | return count; |
|
|
2033 | } |
|
|
2034 | |
|
|
2035 | void noinline |
|
|
2036 | ev_invoke_pending (EV_P) |
1285 | { |
2037 | { |
1286 | int pri; |
2038 | int pri; |
1287 | |
2039 | |
1288 | for (pri = NUMPRI; pri--; ) |
2040 | for (pri = NUMPRI; pri--; ) |
1289 | while (pendingcnt [pri]) |
2041 | while (pendingcnt [pri]) |
1290 | { |
2042 | { |
1291 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2043 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1292 | |
2044 | |
1293 | if (expect_true (p->w)) |
|
|
1294 | { |
|
|
1295 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
2045 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2046 | /* ^ this is no longer true, as pending_w could be here */ |
1296 | |
2047 | |
1297 | p->w->pending = 0; |
2048 | p->w->pending = 0; |
1298 | EV_CB_INVOKE (p->w, p->events); |
2049 | EV_CB_INVOKE (p->w, p->events); |
1299 | } |
2050 | EV_FREQUENT_CHECK; |
1300 | } |
2051 | } |
1301 | } |
2052 | } |
1302 | |
2053 | |
1303 | void inline_size |
|
|
1304 | timers_reify (EV_P) |
|
|
1305 | { |
|
|
1306 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1307 | { |
|
|
1308 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1309 | |
|
|
1310 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1311 | |
|
|
1312 | /* first reschedule or stop timer */ |
|
|
1313 | if (w->repeat) |
|
|
1314 | { |
|
|
1315 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1316 | |
|
|
1317 | ((WT)w)->at += w->repeat; |
|
|
1318 | if (((WT)w)->at < mn_now) |
|
|
1319 | ((WT)w)->at = mn_now; |
|
|
1320 | |
|
|
1321 | downheap (timers, timercnt, 0); |
|
|
1322 | } |
|
|
1323 | else |
|
|
1324 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1325 | |
|
|
1326 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1327 | } |
|
|
1328 | } |
|
|
1329 | |
|
|
1330 | #if EV_PERIODIC_ENABLE |
|
|
1331 | void inline_size |
|
|
1332 | periodics_reify (EV_P) |
|
|
1333 | { |
|
|
1334 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1335 | { |
|
|
1336 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1337 | |
|
|
1338 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1339 | |
|
|
1340 | /* first reschedule or stop timer */ |
|
|
1341 | if (w->reschedule_cb) |
|
|
1342 | { |
|
|
1343 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1344 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1345 | downheap (periodics, periodiccnt, 0); |
|
|
1346 | } |
|
|
1347 | else if (w->interval) |
|
|
1348 | { |
|
|
1349 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1350 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1351 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1352 | downheap (periodics, periodiccnt, 0); |
|
|
1353 | } |
|
|
1354 | else |
|
|
1355 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1356 | |
|
|
1357 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1358 | } |
|
|
1359 | } |
|
|
1360 | |
|
|
1361 | static void noinline |
|
|
1362 | periodics_reschedule (EV_P) |
|
|
1363 | { |
|
|
1364 | int i; |
|
|
1365 | |
|
|
1366 | /* adjust periodics after time jump */ |
|
|
1367 | for (i = 0; i < periodiccnt; ++i) |
|
|
1368 | { |
|
|
1369 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1370 | |
|
|
1371 | if (w->reschedule_cb) |
|
|
1372 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1373 | else if (w->interval) |
|
|
1374 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1375 | } |
|
|
1376 | |
|
|
1377 | /* now rebuild the heap */ |
|
|
1378 | for (i = periodiccnt >> 1; i--; ) |
|
|
1379 | downheap (periodics, periodiccnt, i); |
|
|
1380 | } |
|
|
1381 | #endif |
|
|
1382 | |
|
|
1383 | #if EV_IDLE_ENABLE |
2054 | #if EV_IDLE_ENABLE |
1384 | void inline_size |
2055 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
2056 | /* only when higher priorities are idle" logic */ |
|
|
2057 | inline_size void |
1385 | idle_reify (EV_P) |
2058 | idle_reify (EV_P) |
1386 | { |
2059 | { |
1387 | if (expect_false (idleall)) |
2060 | if (expect_false (idleall)) |
1388 | { |
2061 | { |
1389 | int pri; |
2062 | int pri; |
… | |
… | |
1401 | } |
2074 | } |
1402 | } |
2075 | } |
1403 | } |
2076 | } |
1404 | #endif |
2077 | #endif |
1405 | |
2078 | |
1406 | void inline_speed |
2079 | /* make timers pending */ |
|
|
2080 | inline_size void |
|
|
2081 | timers_reify (EV_P) |
|
|
2082 | { |
|
|
2083 | EV_FREQUENT_CHECK; |
|
|
2084 | |
|
|
2085 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
2086 | { |
|
|
2087 | do |
|
|
2088 | { |
|
|
2089 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
2090 | |
|
|
2091 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
2092 | |
|
|
2093 | /* first reschedule or stop timer */ |
|
|
2094 | if (w->repeat) |
|
|
2095 | { |
|
|
2096 | ev_at (w) += w->repeat; |
|
|
2097 | if (ev_at (w) < mn_now) |
|
|
2098 | ev_at (w) = mn_now; |
|
|
2099 | |
|
|
2100 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
2101 | |
|
|
2102 | ANHE_at_cache (timers [HEAP0]); |
|
|
2103 | downheap (timers, timercnt, HEAP0); |
|
|
2104 | } |
|
|
2105 | else |
|
|
2106 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2107 | |
|
|
2108 | EV_FREQUENT_CHECK; |
|
|
2109 | feed_reverse (EV_A_ (W)w); |
|
|
2110 | } |
|
|
2111 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
|
|
2112 | |
|
|
2113 | feed_reverse_done (EV_A_ EV_TIMER); |
|
|
2114 | } |
|
|
2115 | } |
|
|
2116 | |
|
|
2117 | #if EV_PERIODIC_ENABLE |
|
|
2118 | /* make periodics pending */ |
|
|
2119 | inline_size void |
|
|
2120 | periodics_reify (EV_P) |
|
|
2121 | { |
|
|
2122 | EV_FREQUENT_CHECK; |
|
|
2123 | |
|
|
2124 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
2125 | { |
|
|
2126 | int feed_count = 0; |
|
|
2127 | |
|
|
2128 | do |
|
|
2129 | { |
|
|
2130 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
2131 | |
|
|
2132 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
2133 | |
|
|
2134 | /* first reschedule or stop timer */ |
|
|
2135 | if (w->reschedule_cb) |
|
|
2136 | { |
|
|
2137 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
2138 | |
|
|
2139 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
2140 | |
|
|
2141 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2142 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2143 | } |
|
|
2144 | else if (w->interval) |
|
|
2145 | { |
|
|
2146 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2147 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2148 | /* this might happen because of floating point inexactness */ |
|
|
2149 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2150 | { |
|
|
2151 | ev_at (w) += w->interval; |
|
|
2152 | |
|
|
2153 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2154 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2155 | /* has effectively asked to get triggered more often than possible */ |
|
|
2156 | if (ev_at (w) < ev_rt_now) |
|
|
2157 | ev_at (w) = ev_rt_now; |
|
|
2158 | } |
|
|
2159 | |
|
|
2160 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2161 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2162 | } |
|
|
2163 | else |
|
|
2164 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2165 | |
|
|
2166 | EV_FREQUENT_CHECK; |
|
|
2167 | feed_reverse (EV_A_ (W)w); |
|
|
2168 | } |
|
|
2169 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
|
|
2170 | |
|
|
2171 | feed_reverse_done (EV_A_ EV_PERIODIC); |
|
|
2172 | } |
|
|
2173 | } |
|
|
2174 | |
|
|
2175 | /* simply recalculate all periodics */ |
|
|
2176 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
|
|
2177 | static void noinline |
|
|
2178 | periodics_reschedule (EV_P) |
|
|
2179 | { |
|
|
2180 | int i; |
|
|
2181 | |
|
|
2182 | /* adjust periodics after time jump */ |
|
|
2183 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
2184 | { |
|
|
2185 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
2186 | |
|
|
2187 | if (w->reschedule_cb) |
|
|
2188 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
2189 | else if (w->interval) |
|
|
2190 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2191 | |
|
|
2192 | ANHE_at_cache (periodics [i]); |
|
|
2193 | } |
|
|
2194 | |
|
|
2195 | reheap (periodics, periodiccnt); |
|
|
2196 | } |
|
|
2197 | #endif |
|
|
2198 | |
|
|
2199 | /* adjust all timers by a given offset */ |
|
|
2200 | static void noinline |
|
|
2201 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
2202 | { |
|
|
2203 | int i; |
|
|
2204 | |
|
|
2205 | for (i = 0; i < timercnt; ++i) |
|
|
2206 | { |
|
|
2207 | ANHE *he = timers + i + HEAP0; |
|
|
2208 | ANHE_w (*he)->at += adjust; |
|
|
2209 | ANHE_at_cache (*he); |
|
|
2210 | } |
|
|
2211 | } |
|
|
2212 | |
|
|
2213 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
2214 | /* also detect if there was a timejump, and act accordingly */ |
|
|
2215 | inline_speed void |
1407 | time_update (EV_P_ ev_tstamp max_block) |
2216 | time_update (EV_P_ ev_tstamp max_block) |
1408 | { |
2217 | { |
1409 | int i; |
|
|
1410 | |
|
|
1411 | #if EV_USE_MONOTONIC |
2218 | #if EV_USE_MONOTONIC |
1412 | if (expect_true (have_monotonic)) |
2219 | if (expect_true (have_monotonic)) |
1413 | { |
2220 | { |
|
|
2221 | int i; |
1414 | ev_tstamp odiff = rtmn_diff; |
2222 | ev_tstamp odiff = rtmn_diff; |
1415 | |
2223 | |
1416 | mn_now = get_clock (); |
2224 | mn_now = get_clock (); |
1417 | |
2225 | |
1418 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
2226 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1436 | */ |
2244 | */ |
1437 | for (i = 4; --i; ) |
2245 | for (i = 4; --i; ) |
1438 | { |
2246 | { |
1439 | rtmn_diff = ev_rt_now - mn_now; |
2247 | rtmn_diff = ev_rt_now - mn_now; |
1440 | |
2248 | |
1441 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
2249 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1442 | return; /* all is well */ |
2250 | return; /* all is well */ |
1443 | |
2251 | |
1444 | ev_rt_now = ev_time (); |
2252 | ev_rt_now = ev_time (); |
1445 | mn_now = get_clock (); |
2253 | mn_now = get_clock (); |
1446 | now_floor = mn_now; |
2254 | now_floor = mn_now; |
1447 | } |
2255 | } |
1448 | |
2256 | |
|
|
2257 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
2258 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1449 | # if EV_PERIODIC_ENABLE |
2259 | # if EV_PERIODIC_ENABLE |
1450 | periodics_reschedule (EV_A); |
2260 | periodics_reschedule (EV_A); |
1451 | # endif |
2261 | # endif |
1452 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1453 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1454 | } |
2262 | } |
1455 | else |
2263 | else |
1456 | #endif |
2264 | #endif |
1457 | { |
2265 | { |
1458 | ev_rt_now = ev_time (); |
2266 | ev_rt_now = ev_time (); |
1459 | |
2267 | |
1460 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2268 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1461 | { |
2269 | { |
|
|
2270 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2271 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1462 | #if EV_PERIODIC_ENABLE |
2272 | #if EV_PERIODIC_ENABLE |
1463 | periodics_reschedule (EV_A); |
2273 | periodics_reschedule (EV_A); |
1464 | #endif |
2274 | #endif |
1465 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1466 | for (i = 0; i < timercnt; ++i) |
|
|
1467 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
|
|
1468 | } |
2275 | } |
1469 | |
2276 | |
1470 | mn_now = ev_rt_now; |
2277 | mn_now = ev_rt_now; |
1471 | } |
2278 | } |
1472 | } |
2279 | } |
1473 | |
2280 | |
1474 | void |
2281 | void |
1475 | ev_ref (EV_P) |
|
|
1476 | { |
|
|
1477 | ++activecnt; |
|
|
1478 | } |
|
|
1479 | |
|
|
1480 | void |
|
|
1481 | ev_unref (EV_P) |
|
|
1482 | { |
|
|
1483 | --activecnt; |
|
|
1484 | } |
|
|
1485 | |
|
|
1486 | static int loop_done; |
|
|
1487 | |
|
|
1488 | void |
|
|
1489 | ev_loop (EV_P_ int flags) |
2282 | ev_loop (EV_P_ int flags) |
1490 | { |
2283 | { |
1491 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
2284 | #if EV_FEATURE_API |
1492 | ? EVUNLOOP_ONE |
2285 | ++loop_depth; |
1493 | : EVUNLOOP_CANCEL; |
2286 | #endif |
1494 | |
2287 | |
|
|
2288 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
|
|
2289 | |
|
|
2290 | loop_done = EVUNLOOP_CANCEL; |
|
|
2291 | |
1495 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2292 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
1496 | |
2293 | |
1497 | do |
2294 | do |
1498 | { |
2295 | { |
|
|
2296 | #if EV_VERIFY >= 2 |
|
|
2297 | ev_verify (EV_A); |
|
|
2298 | #endif |
|
|
2299 | |
1499 | #ifndef _WIN32 |
2300 | #ifndef _WIN32 |
1500 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2301 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1501 | if (expect_false (getpid () != curpid)) |
2302 | if (expect_false (getpid () != curpid)) |
1502 | { |
2303 | { |
1503 | curpid = getpid (); |
2304 | curpid = getpid (); |
… | |
… | |
1509 | /* we might have forked, so queue fork handlers */ |
2310 | /* we might have forked, so queue fork handlers */ |
1510 | if (expect_false (postfork)) |
2311 | if (expect_false (postfork)) |
1511 | if (forkcnt) |
2312 | if (forkcnt) |
1512 | { |
2313 | { |
1513 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2314 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1514 | call_pending (EV_A); |
2315 | EV_INVOKE_PENDING; |
1515 | } |
2316 | } |
1516 | #endif |
2317 | #endif |
1517 | |
2318 | |
|
|
2319 | #if EV_PREPARE_ENABLE |
1518 | /* queue prepare watchers (and execute them) */ |
2320 | /* queue prepare watchers (and execute them) */ |
1519 | if (expect_false (preparecnt)) |
2321 | if (expect_false (preparecnt)) |
1520 | { |
2322 | { |
1521 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2323 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1522 | call_pending (EV_A); |
2324 | EV_INVOKE_PENDING; |
1523 | } |
2325 | } |
|
|
2326 | #endif |
1524 | |
2327 | |
1525 | if (expect_false (!activecnt)) |
2328 | if (expect_false (loop_done)) |
1526 | break; |
2329 | break; |
1527 | |
2330 | |
1528 | /* we might have forked, so reify kernel state if necessary */ |
2331 | /* we might have forked, so reify kernel state if necessary */ |
1529 | if (expect_false (postfork)) |
2332 | if (expect_false (postfork)) |
1530 | loop_fork (EV_A); |
2333 | loop_fork (EV_A); |
… | |
… | |
1537 | ev_tstamp waittime = 0.; |
2340 | ev_tstamp waittime = 0.; |
1538 | ev_tstamp sleeptime = 0.; |
2341 | ev_tstamp sleeptime = 0.; |
1539 | |
2342 | |
1540 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2343 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1541 | { |
2344 | { |
|
|
2345 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2346 | ev_tstamp prev_mn_now = mn_now; |
|
|
2347 | |
1542 | /* update time to cancel out callback processing overhead */ |
2348 | /* update time to cancel out callback processing overhead */ |
1543 | time_update (EV_A_ 1e100); |
2349 | time_update (EV_A_ 1e100); |
1544 | |
2350 | |
1545 | waittime = MAX_BLOCKTIME; |
2351 | waittime = MAX_BLOCKTIME; |
1546 | |
2352 | |
1547 | if (timercnt) |
2353 | if (timercnt) |
1548 | { |
2354 | { |
1549 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
2355 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1550 | if (waittime > to) waittime = to; |
2356 | if (waittime > to) waittime = to; |
1551 | } |
2357 | } |
1552 | |
2358 | |
1553 | #if EV_PERIODIC_ENABLE |
2359 | #if EV_PERIODIC_ENABLE |
1554 | if (periodiccnt) |
2360 | if (periodiccnt) |
1555 | { |
2361 | { |
1556 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
2362 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1557 | if (waittime > to) waittime = to; |
2363 | if (waittime > to) waittime = to; |
1558 | } |
2364 | } |
1559 | #endif |
2365 | #endif |
1560 | |
2366 | |
|
|
2367 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
1561 | if (expect_false (waittime < timeout_blocktime)) |
2368 | if (expect_false (waittime < timeout_blocktime)) |
1562 | waittime = timeout_blocktime; |
2369 | waittime = timeout_blocktime; |
1563 | |
2370 | |
1564 | sleeptime = waittime - backend_fudge; |
2371 | /* extra check because io_blocktime is commonly 0 */ |
1565 | |
|
|
1566 | if (expect_true (sleeptime > io_blocktime)) |
2372 | if (expect_false (io_blocktime)) |
1567 | sleeptime = io_blocktime; |
|
|
1568 | |
|
|
1569 | if (sleeptime) |
|
|
1570 | { |
2373 | { |
|
|
2374 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2375 | |
|
|
2376 | if (sleeptime > waittime - backend_fudge) |
|
|
2377 | sleeptime = waittime - backend_fudge; |
|
|
2378 | |
|
|
2379 | if (expect_true (sleeptime > 0.)) |
|
|
2380 | { |
1571 | ev_sleep (sleeptime); |
2381 | ev_sleep (sleeptime); |
1572 | waittime -= sleeptime; |
2382 | waittime -= sleeptime; |
|
|
2383 | } |
1573 | } |
2384 | } |
1574 | } |
2385 | } |
1575 | |
2386 | |
|
|
2387 | #if EV_FEATURE_API |
1576 | ++loop_count; |
2388 | ++loop_count; |
|
|
2389 | #endif |
|
|
2390 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
1577 | backend_poll (EV_A_ waittime); |
2391 | backend_poll (EV_A_ waittime); |
|
|
2392 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
1578 | |
2393 | |
1579 | /* update ev_rt_now, do magic */ |
2394 | /* update ev_rt_now, do magic */ |
1580 | time_update (EV_A_ waittime + sleeptime); |
2395 | time_update (EV_A_ waittime + sleeptime); |
1581 | } |
2396 | } |
1582 | |
2397 | |
… | |
… | |
1589 | #if EV_IDLE_ENABLE |
2404 | #if EV_IDLE_ENABLE |
1590 | /* queue idle watchers unless other events are pending */ |
2405 | /* queue idle watchers unless other events are pending */ |
1591 | idle_reify (EV_A); |
2406 | idle_reify (EV_A); |
1592 | #endif |
2407 | #endif |
1593 | |
2408 | |
|
|
2409 | #if EV_CHECK_ENABLE |
1594 | /* queue check watchers, to be executed first */ |
2410 | /* queue check watchers, to be executed first */ |
1595 | if (expect_false (checkcnt)) |
2411 | if (expect_false (checkcnt)) |
1596 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2412 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2413 | #endif |
1597 | |
2414 | |
1598 | call_pending (EV_A); |
2415 | EV_INVOKE_PENDING; |
1599 | |
|
|
1600 | } |
2416 | } |
1601 | while (expect_true (activecnt && !loop_done)); |
2417 | while (expect_true ( |
|
|
2418 | activecnt |
|
|
2419 | && !loop_done |
|
|
2420 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
2421 | )); |
1602 | |
2422 | |
1603 | if (loop_done == EVUNLOOP_ONE) |
2423 | if (loop_done == EVUNLOOP_ONE) |
1604 | loop_done = EVUNLOOP_CANCEL; |
2424 | loop_done = EVUNLOOP_CANCEL; |
|
|
2425 | |
|
|
2426 | #if EV_FEATURE_API |
|
|
2427 | --loop_depth; |
|
|
2428 | #endif |
1605 | } |
2429 | } |
1606 | |
2430 | |
1607 | void |
2431 | void |
1608 | ev_unloop (EV_P_ int how) |
2432 | ev_unloop (EV_P_ int how) |
1609 | { |
2433 | { |
1610 | loop_done = how; |
2434 | loop_done = how; |
1611 | } |
2435 | } |
1612 | |
2436 | |
|
|
2437 | void |
|
|
2438 | ev_ref (EV_P) |
|
|
2439 | { |
|
|
2440 | ++activecnt; |
|
|
2441 | } |
|
|
2442 | |
|
|
2443 | void |
|
|
2444 | ev_unref (EV_P) |
|
|
2445 | { |
|
|
2446 | --activecnt; |
|
|
2447 | } |
|
|
2448 | |
|
|
2449 | void |
|
|
2450 | ev_now_update (EV_P) |
|
|
2451 | { |
|
|
2452 | time_update (EV_A_ 1e100); |
|
|
2453 | } |
|
|
2454 | |
|
|
2455 | void |
|
|
2456 | ev_suspend (EV_P) |
|
|
2457 | { |
|
|
2458 | ev_now_update (EV_A); |
|
|
2459 | } |
|
|
2460 | |
|
|
2461 | void |
|
|
2462 | ev_resume (EV_P) |
|
|
2463 | { |
|
|
2464 | ev_tstamp mn_prev = mn_now; |
|
|
2465 | |
|
|
2466 | ev_now_update (EV_A); |
|
|
2467 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2468 | #if EV_PERIODIC_ENABLE |
|
|
2469 | /* TODO: really do this? */ |
|
|
2470 | periodics_reschedule (EV_A); |
|
|
2471 | #endif |
|
|
2472 | } |
|
|
2473 | |
1613 | /*****************************************************************************/ |
2474 | /*****************************************************************************/ |
|
|
2475 | /* singly-linked list management, used when the expected list length is short */ |
1614 | |
2476 | |
1615 | void inline_size |
2477 | inline_size void |
1616 | wlist_add (WL *head, WL elem) |
2478 | wlist_add (WL *head, WL elem) |
1617 | { |
2479 | { |
1618 | elem->next = *head; |
2480 | elem->next = *head; |
1619 | *head = elem; |
2481 | *head = elem; |
1620 | } |
2482 | } |
1621 | |
2483 | |
1622 | void inline_size |
2484 | inline_size void |
1623 | wlist_del (WL *head, WL elem) |
2485 | wlist_del (WL *head, WL elem) |
1624 | { |
2486 | { |
1625 | while (*head) |
2487 | while (*head) |
1626 | { |
2488 | { |
1627 | if (*head == elem) |
2489 | if (expect_true (*head == elem)) |
1628 | { |
2490 | { |
1629 | *head = elem->next; |
2491 | *head = elem->next; |
1630 | return; |
2492 | break; |
1631 | } |
2493 | } |
1632 | |
2494 | |
1633 | head = &(*head)->next; |
2495 | head = &(*head)->next; |
1634 | } |
2496 | } |
1635 | } |
2497 | } |
1636 | |
2498 | |
1637 | void inline_speed |
2499 | /* internal, faster, version of ev_clear_pending */ |
|
|
2500 | inline_speed void |
1638 | clear_pending (EV_P_ W w) |
2501 | clear_pending (EV_P_ W w) |
1639 | { |
2502 | { |
1640 | if (w->pending) |
2503 | if (w->pending) |
1641 | { |
2504 | { |
1642 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2505 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
1643 | w->pending = 0; |
2506 | w->pending = 0; |
1644 | } |
2507 | } |
1645 | } |
2508 | } |
1646 | |
2509 | |
1647 | int |
2510 | int |
… | |
… | |
1651 | int pending = w_->pending; |
2514 | int pending = w_->pending; |
1652 | |
2515 | |
1653 | if (expect_true (pending)) |
2516 | if (expect_true (pending)) |
1654 | { |
2517 | { |
1655 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2518 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2519 | p->w = (W)&pending_w; |
1656 | w_->pending = 0; |
2520 | w_->pending = 0; |
1657 | p->w = 0; |
|
|
1658 | return p->events; |
2521 | return p->events; |
1659 | } |
2522 | } |
1660 | else |
2523 | else |
1661 | return 0; |
2524 | return 0; |
1662 | } |
2525 | } |
1663 | |
2526 | |
1664 | void inline_size |
2527 | inline_size void |
1665 | pri_adjust (EV_P_ W w) |
2528 | pri_adjust (EV_P_ W w) |
1666 | { |
2529 | { |
1667 | int pri = w->priority; |
2530 | int pri = ev_priority (w); |
1668 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2531 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
1669 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2532 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
1670 | w->priority = pri; |
2533 | ev_set_priority (w, pri); |
1671 | } |
2534 | } |
1672 | |
2535 | |
1673 | void inline_speed |
2536 | inline_speed void |
1674 | ev_start (EV_P_ W w, int active) |
2537 | ev_start (EV_P_ W w, int active) |
1675 | { |
2538 | { |
1676 | pri_adjust (EV_A_ w); |
2539 | pri_adjust (EV_A_ w); |
1677 | w->active = active; |
2540 | w->active = active; |
1678 | ev_ref (EV_A); |
2541 | ev_ref (EV_A); |
1679 | } |
2542 | } |
1680 | |
2543 | |
1681 | void inline_size |
2544 | inline_size void |
1682 | ev_stop (EV_P_ W w) |
2545 | ev_stop (EV_P_ W w) |
1683 | { |
2546 | { |
1684 | ev_unref (EV_A); |
2547 | ev_unref (EV_A); |
1685 | w->active = 0; |
2548 | w->active = 0; |
1686 | } |
2549 | } |
… | |
… | |
1693 | int fd = w->fd; |
2556 | int fd = w->fd; |
1694 | |
2557 | |
1695 | if (expect_false (ev_is_active (w))) |
2558 | if (expect_false (ev_is_active (w))) |
1696 | return; |
2559 | return; |
1697 | |
2560 | |
1698 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2561 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2562 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2563 | |
|
|
2564 | EV_FREQUENT_CHECK; |
1699 | |
2565 | |
1700 | ev_start (EV_A_ (W)w, 1); |
2566 | ev_start (EV_A_ (W)w, 1); |
1701 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2567 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1702 | wlist_add (&anfds[fd].head, (WL)w); |
2568 | wlist_add (&anfds[fd].head, (WL)w); |
1703 | |
2569 | |
1704 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2570 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
1705 | w->events &= ~EV_IOFDSET; |
2571 | w->events &= ~EV__IOFDSET; |
|
|
2572 | |
|
|
2573 | EV_FREQUENT_CHECK; |
1706 | } |
2574 | } |
1707 | |
2575 | |
1708 | void noinline |
2576 | void noinline |
1709 | ev_io_stop (EV_P_ ev_io *w) |
2577 | ev_io_stop (EV_P_ ev_io *w) |
1710 | { |
2578 | { |
1711 | clear_pending (EV_A_ (W)w); |
2579 | clear_pending (EV_A_ (W)w); |
1712 | if (expect_false (!ev_is_active (w))) |
2580 | if (expect_false (!ev_is_active (w))) |
1713 | return; |
2581 | return; |
1714 | |
2582 | |
1715 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2583 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2584 | |
|
|
2585 | EV_FREQUENT_CHECK; |
1716 | |
2586 | |
1717 | wlist_del (&anfds[w->fd].head, (WL)w); |
2587 | wlist_del (&anfds[w->fd].head, (WL)w); |
1718 | ev_stop (EV_A_ (W)w); |
2588 | ev_stop (EV_A_ (W)w); |
1719 | |
2589 | |
1720 | fd_change (EV_A_ w->fd, 1); |
2590 | fd_change (EV_A_ w->fd, 1); |
|
|
2591 | |
|
|
2592 | EV_FREQUENT_CHECK; |
1721 | } |
2593 | } |
1722 | |
2594 | |
1723 | void noinline |
2595 | void noinline |
1724 | ev_timer_start (EV_P_ ev_timer *w) |
2596 | ev_timer_start (EV_P_ ev_timer *w) |
1725 | { |
2597 | { |
1726 | if (expect_false (ev_is_active (w))) |
2598 | if (expect_false (ev_is_active (w))) |
1727 | return; |
2599 | return; |
1728 | |
2600 | |
1729 | ((WT)w)->at += mn_now; |
2601 | ev_at (w) += mn_now; |
1730 | |
2602 | |
1731 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2603 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1732 | |
2604 | |
|
|
2605 | EV_FREQUENT_CHECK; |
|
|
2606 | |
|
|
2607 | ++timercnt; |
1733 | ev_start (EV_A_ (W)w, ++timercnt); |
2608 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1734 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2609 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1735 | timers [timercnt - 1] = (WT)w; |
2610 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1736 | upheap (timers, timercnt - 1); |
2611 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2612 | upheap (timers, ev_active (w)); |
1737 | |
2613 | |
|
|
2614 | EV_FREQUENT_CHECK; |
|
|
2615 | |
1738 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2616 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1739 | } |
2617 | } |
1740 | |
2618 | |
1741 | void noinline |
2619 | void noinline |
1742 | ev_timer_stop (EV_P_ ev_timer *w) |
2620 | ev_timer_stop (EV_P_ ev_timer *w) |
1743 | { |
2621 | { |
1744 | clear_pending (EV_A_ (W)w); |
2622 | clear_pending (EV_A_ (W)w); |
1745 | if (expect_false (!ev_is_active (w))) |
2623 | if (expect_false (!ev_is_active (w))) |
1746 | return; |
2624 | return; |
1747 | |
2625 | |
1748 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2626 | EV_FREQUENT_CHECK; |
1749 | |
2627 | |
1750 | { |
2628 | { |
1751 | int active = ((W)w)->active; |
2629 | int active = ev_active (w); |
1752 | |
2630 | |
|
|
2631 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2632 | |
|
|
2633 | --timercnt; |
|
|
2634 | |
1753 | if (expect_true (--active < --timercnt)) |
2635 | if (expect_true (active < timercnt + HEAP0)) |
1754 | { |
2636 | { |
1755 | timers [active] = timers [timercnt]; |
2637 | timers [active] = timers [timercnt + HEAP0]; |
1756 | adjustheap (timers, timercnt, active); |
2638 | adjustheap (timers, timercnt, active); |
1757 | } |
2639 | } |
1758 | } |
2640 | } |
1759 | |
2641 | |
1760 | ((WT)w)->at -= mn_now; |
2642 | ev_at (w) -= mn_now; |
1761 | |
2643 | |
1762 | ev_stop (EV_A_ (W)w); |
2644 | ev_stop (EV_A_ (W)w); |
|
|
2645 | |
|
|
2646 | EV_FREQUENT_CHECK; |
1763 | } |
2647 | } |
1764 | |
2648 | |
1765 | void noinline |
2649 | void noinline |
1766 | ev_timer_again (EV_P_ ev_timer *w) |
2650 | ev_timer_again (EV_P_ ev_timer *w) |
1767 | { |
2651 | { |
|
|
2652 | EV_FREQUENT_CHECK; |
|
|
2653 | |
1768 | if (ev_is_active (w)) |
2654 | if (ev_is_active (w)) |
1769 | { |
2655 | { |
1770 | if (w->repeat) |
2656 | if (w->repeat) |
1771 | { |
2657 | { |
1772 | ((WT)w)->at = mn_now + w->repeat; |
2658 | ev_at (w) = mn_now + w->repeat; |
|
|
2659 | ANHE_at_cache (timers [ev_active (w)]); |
1773 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2660 | adjustheap (timers, timercnt, ev_active (w)); |
1774 | } |
2661 | } |
1775 | else |
2662 | else |
1776 | ev_timer_stop (EV_A_ w); |
2663 | ev_timer_stop (EV_A_ w); |
1777 | } |
2664 | } |
1778 | else if (w->repeat) |
2665 | else if (w->repeat) |
1779 | { |
2666 | { |
1780 | w->at = w->repeat; |
2667 | ev_at (w) = w->repeat; |
1781 | ev_timer_start (EV_A_ w); |
2668 | ev_timer_start (EV_A_ w); |
1782 | } |
2669 | } |
|
|
2670 | |
|
|
2671 | EV_FREQUENT_CHECK; |
|
|
2672 | } |
|
|
2673 | |
|
|
2674 | ev_tstamp |
|
|
2675 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2676 | { |
|
|
2677 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
1783 | } |
2678 | } |
1784 | |
2679 | |
1785 | #if EV_PERIODIC_ENABLE |
2680 | #if EV_PERIODIC_ENABLE |
1786 | void noinline |
2681 | void noinline |
1787 | ev_periodic_start (EV_P_ ev_periodic *w) |
2682 | ev_periodic_start (EV_P_ ev_periodic *w) |
1788 | { |
2683 | { |
1789 | if (expect_false (ev_is_active (w))) |
2684 | if (expect_false (ev_is_active (w))) |
1790 | return; |
2685 | return; |
1791 | |
2686 | |
1792 | if (w->reschedule_cb) |
2687 | if (w->reschedule_cb) |
1793 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2688 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1794 | else if (w->interval) |
2689 | else if (w->interval) |
1795 | { |
2690 | { |
1796 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2691 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1797 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2692 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1798 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2693 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1799 | } |
2694 | } |
1800 | else |
2695 | else |
1801 | ((WT)w)->at = w->offset; |
2696 | ev_at (w) = w->offset; |
1802 | |
2697 | |
|
|
2698 | EV_FREQUENT_CHECK; |
|
|
2699 | |
|
|
2700 | ++periodiccnt; |
1803 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2701 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1804 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2702 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1805 | periodics [periodiccnt - 1] = (WT)w; |
2703 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1806 | upheap (periodics, periodiccnt - 1); |
2704 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2705 | upheap (periodics, ev_active (w)); |
1807 | |
2706 | |
|
|
2707 | EV_FREQUENT_CHECK; |
|
|
2708 | |
1808 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2709 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1809 | } |
2710 | } |
1810 | |
2711 | |
1811 | void noinline |
2712 | void noinline |
1812 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2713 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1813 | { |
2714 | { |
1814 | clear_pending (EV_A_ (W)w); |
2715 | clear_pending (EV_A_ (W)w); |
1815 | if (expect_false (!ev_is_active (w))) |
2716 | if (expect_false (!ev_is_active (w))) |
1816 | return; |
2717 | return; |
1817 | |
2718 | |
1818 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2719 | EV_FREQUENT_CHECK; |
1819 | |
2720 | |
1820 | { |
2721 | { |
1821 | int active = ((W)w)->active; |
2722 | int active = ev_active (w); |
1822 | |
2723 | |
|
|
2724 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2725 | |
|
|
2726 | --periodiccnt; |
|
|
2727 | |
1823 | if (expect_true (--active < --periodiccnt)) |
2728 | if (expect_true (active < periodiccnt + HEAP0)) |
1824 | { |
2729 | { |
1825 | periodics [active] = periodics [periodiccnt]; |
2730 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1826 | adjustheap (periodics, periodiccnt, active); |
2731 | adjustheap (periodics, periodiccnt, active); |
1827 | } |
2732 | } |
1828 | } |
2733 | } |
1829 | |
2734 | |
1830 | ev_stop (EV_A_ (W)w); |
2735 | ev_stop (EV_A_ (W)w); |
|
|
2736 | |
|
|
2737 | EV_FREQUENT_CHECK; |
1831 | } |
2738 | } |
1832 | |
2739 | |
1833 | void noinline |
2740 | void noinline |
1834 | ev_periodic_again (EV_P_ ev_periodic *w) |
2741 | ev_periodic_again (EV_P_ ev_periodic *w) |
1835 | { |
2742 | { |
… | |
… | |
1841 | |
2748 | |
1842 | #ifndef SA_RESTART |
2749 | #ifndef SA_RESTART |
1843 | # define SA_RESTART 0 |
2750 | # define SA_RESTART 0 |
1844 | #endif |
2751 | #endif |
1845 | |
2752 | |
|
|
2753 | #if EV_SIGNAL_ENABLE |
|
|
2754 | |
1846 | void noinline |
2755 | void noinline |
1847 | ev_signal_start (EV_P_ ev_signal *w) |
2756 | ev_signal_start (EV_P_ ev_signal *w) |
1848 | { |
2757 | { |
1849 | #if EV_MULTIPLICITY |
|
|
1850 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
1851 | #endif |
|
|
1852 | if (expect_false (ev_is_active (w))) |
2758 | if (expect_false (ev_is_active (w))) |
1853 | return; |
2759 | return; |
1854 | |
2760 | |
1855 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2761 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
1856 | |
2762 | |
|
|
2763 | #if EV_MULTIPLICITY |
|
|
2764 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2765 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
|
|
2766 | |
|
|
2767 | signals [w->signum - 1].loop = EV_A; |
|
|
2768 | #endif |
|
|
2769 | |
|
|
2770 | EV_FREQUENT_CHECK; |
|
|
2771 | |
|
|
2772 | #if EV_USE_SIGNALFD |
|
|
2773 | if (sigfd == -2) |
1857 | { |
2774 | { |
1858 | #ifndef _WIN32 |
2775 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
1859 | sigset_t full, prev; |
2776 | if (sigfd < 0 && errno == EINVAL) |
1860 | sigfillset (&full); |
2777 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
1861 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1862 | #endif |
|
|
1863 | |
2778 | |
1864 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2779 | if (sigfd >= 0) |
|
|
2780 | { |
|
|
2781 | fd_intern (sigfd); /* doing it twice will not hurt */ |
1865 | |
2782 | |
1866 | #ifndef _WIN32 |
2783 | sigemptyset (&sigfd_set); |
1867 | sigprocmask (SIG_SETMASK, &prev, 0); |
2784 | |
1868 | #endif |
2785 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2786 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2787 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2788 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2789 | } |
1869 | } |
2790 | } |
|
|
2791 | |
|
|
2792 | if (sigfd >= 0) |
|
|
2793 | { |
|
|
2794 | /* TODO: check .head */ |
|
|
2795 | sigaddset (&sigfd_set, w->signum); |
|
|
2796 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2797 | |
|
|
2798 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2799 | } |
|
|
2800 | #endif |
1870 | |
2801 | |
1871 | ev_start (EV_A_ (W)w, 1); |
2802 | ev_start (EV_A_ (W)w, 1); |
1872 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2803 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1873 | |
2804 | |
1874 | if (!((WL)w)->next) |
2805 | if (!((WL)w)->next) |
|
|
2806 | # if EV_USE_SIGNALFD |
|
|
2807 | if (sigfd < 0) /*TODO*/ |
|
|
2808 | # endif |
1875 | { |
2809 | { |
1876 | #if _WIN32 |
2810 | # ifdef _WIN32 |
|
|
2811 | evpipe_init (EV_A); |
|
|
2812 | |
1877 | signal (w->signum, sighandler); |
2813 | signal (w->signum, ev_sighandler); |
1878 | #else |
2814 | # else |
1879 | struct sigaction sa; |
2815 | struct sigaction sa; |
|
|
2816 | |
|
|
2817 | evpipe_init (EV_A); |
|
|
2818 | |
1880 | sa.sa_handler = sighandler; |
2819 | sa.sa_handler = ev_sighandler; |
1881 | sigfillset (&sa.sa_mask); |
2820 | sigfillset (&sa.sa_mask); |
1882 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2821 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1883 | sigaction (w->signum, &sa, 0); |
2822 | sigaction (w->signum, &sa, 0); |
|
|
2823 | |
|
|
2824 | sigemptyset (&sa.sa_mask); |
|
|
2825 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2826 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
1884 | #endif |
2827 | #endif |
1885 | } |
2828 | } |
|
|
2829 | |
|
|
2830 | EV_FREQUENT_CHECK; |
1886 | } |
2831 | } |
1887 | |
2832 | |
1888 | void noinline |
2833 | void noinline |
1889 | ev_signal_stop (EV_P_ ev_signal *w) |
2834 | ev_signal_stop (EV_P_ ev_signal *w) |
1890 | { |
2835 | { |
1891 | clear_pending (EV_A_ (W)w); |
2836 | clear_pending (EV_A_ (W)w); |
1892 | if (expect_false (!ev_is_active (w))) |
2837 | if (expect_false (!ev_is_active (w))) |
1893 | return; |
2838 | return; |
1894 | |
2839 | |
|
|
2840 | EV_FREQUENT_CHECK; |
|
|
2841 | |
1895 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2842 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1896 | ev_stop (EV_A_ (W)w); |
2843 | ev_stop (EV_A_ (W)w); |
1897 | |
2844 | |
1898 | if (!signals [w->signum - 1].head) |
2845 | if (!signals [w->signum - 1].head) |
|
|
2846 | { |
|
|
2847 | #if EV_MULTIPLICITY |
|
|
2848 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2849 | #endif |
|
|
2850 | #if EV_USE_SIGNALFD |
|
|
2851 | if (sigfd >= 0) |
|
|
2852 | { |
|
|
2853 | sigset_t ss; |
|
|
2854 | |
|
|
2855 | sigemptyset (&ss); |
|
|
2856 | sigaddset (&ss, w->signum); |
|
|
2857 | sigdelset (&sigfd_set, w->signum); |
|
|
2858 | |
|
|
2859 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2860 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
|
|
2861 | } |
|
|
2862 | else |
|
|
2863 | #endif |
1899 | signal (w->signum, SIG_DFL); |
2864 | signal (w->signum, SIG_DFL); |
|
|
2865 | } |
|
|
2866 | |
|
|
2867 | EV_FREQUENT_CHECK; |
1900 | } |
2868 | } |
|
|
2869 | |
|
|
2870 | #endif |
|
|
2871 | |
|
|
2872 | #if EV_CHILD_ENABLE |
1901 | |
2873 | |
1902 | void |
2874 | void |
1903 | ev_child_start (EV_P_ ev_child *w) |
2875 | ev_child_start (EV_P_ ev_child *w) |
1904 | { |
2876 | { |
1905 | #if EV_MULTIPLICITY |
2877 | #if EV_MULTIPLICITY |
1906 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2878 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1907 | #endif |
2879 | #endif |
1908 | if (expect_false (ev_is_active (w))) |
2880 | if (expect_false (ev_is_active (w))) |
1909 | return; |
2881 | return; |
1910 | |
2882 | |
|
|
2883 | EV_FREQUENT_CHECK; |
|
|
2884 | |
1911 | ev_start (EV_A_ (W)w, 1); |
2885 | ev_start (EV_A_ (W)w, 1); |
1912 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2886 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
|
|
2887 | |
|
|
2888 | EV_FREQUENT_CHECK; |
1913 | } |
2889 | } |
1914 | |
2890 | |
1915 | void |
2891 | void |
1916 | ev_child_stop (EV_P_ ev_child *w) |
2892 | ev_child_stop (EV_P_ ev_child *w) |
1917 | { |
2893 | { |
1918 | clear_pending (EV_A_ (W)w); |
2894 | clear_pending (EV_A_ (W)w); |
1919 | if (expect_false (!ev_is_active (w))) |
2895 | if (expect_false (!ev_is_active (w))) |
1920 | return; |
2896 | return; |
1921 | |
2897 | |
|
|
2898 | EV_FREQUENT_CHECK; |
|
|
2899 | |
1922 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2900 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
1923 | ev_stop (EV_A_ (W)w); |
2901 | ev_stop (EV_A_ (W)w); |
|
|
2902 | |
|
|
2903 | EV_FREQUENT_CHECK; |
1924 | } |
2904 | } |
|
|
2905 | |
|
|
2906 | #endif |
1925 | |
2907 | |
1926 | #if EV_STAT_ENABLE |
2908 | #if EV_STAT_ENABLE |
1927 | |
2909 | |
1928 | # ifdef _WIN32 |
2910 | # ifdef _WIN32 |
1929 | # undef lstat |
2911 | # undef lstat |
1930 | # define lstat(a,b) _stati64 (a,b) |
2912 | # define lstat(a,b) _stati64 (a,b) |
1931 | # endif |
2913 | # endif |
1932 | |
2914 | |
1933 | #define DEF_STAT_INTERVAL 5.0074891 |
2915 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2916 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
1934 | #define MIN_STAT_INTERVAL 0.1074891 |
2917 | #define MIN_STAT_INTERVAL 0.1074891 |
1935 | |
2918 | |
1936 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2919 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1937 | |
2920 | |
1938 | #if EV_USE_INOTIFY |
2921 | #if EV_USE_INOTIFY |
1939 | # define EV_INOTIFY_BUFSIZE 8192 |
2922 | |
|
|
2923 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2924 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
1940 | |
2925 | |
1941 | static void noinline |
2926 | static void noinline |
1942 | infy_add (EV_P_ ev_stat *w) |
2927 | infy_add (EV_P_ ev_stat *w) |
1943 | { |
2928 | { |
1944 | 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); |
2929 | 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); |
1945 | |
2930 | |
1946 | if (w->wd < 0) |
2931 | if (w->wd >= 0) |
|
|
2932 | { |
|
|
2933 | struct statfs sfs; |
|
|
2934 | |
|
|
2935 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2936 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2937 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2938 | |
|
|
2939 | if (!fs_2625) |
|
|
2940 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
2941 | else if (!statfs (w->path, &sfs) |
|
|
2942 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
2943 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2944 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2945 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2946 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2947 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
2948 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
2949 | else |
|
|
2950 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
1947 | { |
2951 | } |
1948 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2952 | else |
|
|
2953 | { |
|
|
2954 | /* can't use inotify, continue to stat */ |
|
|
2955 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
1949 | |
2956 | |
1950 | /* monitor some parent directory for speedup hints */ |
2957 | /* if path is not there, monitor some parent directory for speedup hints */ |
|
|
2958 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
|
|
2959 | /* but an efficiency issue only */ |
1951 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2960 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
1952 | { |
2961 | { |
1953 | char path [4096]; |
2962 | char path [4096]; |
1954 | strcpy (path, w->path); |
2963 | strcpy (path, w->path); |
1955 | |
2964 | |
… | |
… | |
1958 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2967 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
1959 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2968 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
1960 | |
2969 | |
1961 | char *pend = strrchr (path, '/'); |
2970 | char *pend = strrchr (path, '/'); |
1962 | |
2971 | |
1963 | if (!pend) |
2972 | if (!pend || pend == path) |
1964 | break; /* whoops, no '/', complain to your admin */ |
2973 | break; |
1965 | |
2974 | |
1966 | *pend = 0; |
2975 | *pend = 0; |
1967 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2976 | w->wd = inotify_add_watch (fs_fd, path, mask); |
1968 | } |
2977 | } |
1969 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2978 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
1970 | } |
2979 | } |
1971 | } |
2980 | } |
1972 | else |
|
|
1973 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1974 | |
2981 | |
1975 | if (w->wd >= 0) |
2982 | if (w->wd >= 0) |
1976 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2983 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
|
|
2984 | |
|
|
2985 | /* now re-arm timer, if required */ |
|
|
2986 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
|
|
2987 | ev_timer_again (EV_A_ &w->timer); |
|
|
2988 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
1977 | } |
2989 | } |
1978 | |
2990 | |
1979 | static void noinline |
2991 | static void noinline |
1980 | infy_del (EV_P_ ev_stat *w) |
2992 | infy_del (EV_P_ ev_stat *w) |
1981 | { |
2993 | { |
… | |
… | |
1984 | |
2996 | |
1985 | if (wd < 0) |
2997 | if (wd < 0) |
1986 | return; |
2998 | return; |
1987 | |
2999 | |
1988 | w->wd = -2; |
3000 | w->wd = -2; |
1989 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3001 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
1990 | wlist_del (&fs_hash [slot].head, (WL)w); |
3002 | wlist_del (&fs_hash [slot].head, (WL)w); |
1991 | |
3003 | |
1992 | /* remove this watcher, if others are watching it, they will rearm */ |
3004 | /* remove this watcher, if others are watching it, they will rearm */ |
1993 | inotify_rm_watch (fs_fd, wd); |
3005 | inotify_rm_watch (fs_fd, wd); |
1994 | } |
3006 | } |
1995 | |
3007 | |
1996 | static void noinline |
3008 | static void noinline |
1997 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3009 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
1998 | { |
3010 | { |
1999 | if (slot < 0) |
3011 | if (slot < 0) |
2000 | /* overflow, need to check for all hahs slots */ |
3012 | /* overflow, need to check for all hash slots */ |
2001 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3013 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2002 | infy_wd (EV_A_ slot, wd, ev); |
3014 | infy_wd (EV_A_ slot, wd, ev); |
2003 | else |
3015 | else |
2004 | { |
3016 | { |
2005 | WL w_; |
3017 | WL w_; |
2006 | |
3018 | |
2007 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3019 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2008 | { |
3020 | { |
2009 | ev_stat *w = (ev_stat *)w_; |
3021 | ev_stat *w = (ev_stat *)w_; |
2010 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3022 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2011 | |
3023 | |
2012 | if (w->wd == wd || wd == -1) |
3024 | if (w->wd == wd || wd == -1) |
2013 | { |
3025 | { |
2014 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3026 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2015 | { |
3027 | { |
|
|
3028 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2016 | w->wd = -1; |
3029 | w->wd = -1; |
2017 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3030 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2018 | } |
3031 | } |
2019 | |
3032 | |
2020 | stat_timer_cb (EV_A_ &w->timer, 0); |
3033 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2025 | |
3038 | |
2026 | static void |
3039 | static void |
2027 | infy_cb (EV_P_ ev_io *w, int revents) |
3040 | infy_cb (EV_P_ ev_io *w, int revents) |
2028 | { |
3041 | { |
2029 | char buf [EV_INOTIFY_BUFSIZE]; |
3042 | char buf [EV_INOTIFY_BUFSIZE]; |
2030 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2031 | int ofs; |
3043 | int ofs; |
2032 | int len = read (fs_fd, buf, sizeof (buf)); |
3044 | int len = read (fs_fd, buf, sizeof (buf)); |
2033 | |
3045 | |
2034 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3046 | for (ofs = 0; ofs < len; ) |
|
|
3047 | { |
|
|
3048 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2035 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3049 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3050 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3051 | } |
2036 | } |
3052 | } |
2037 | |
3053 | |
2038 | void inline_size |
3054 | inline_size unsigned int |
|
|
3055 | ev_linux_version (void) |
|
|
3056 | { |
|
|
3057 | struct utsname buf; |
|
|
3058 | unsigned int v; |
|
|
3059 | int i; |
|
|
3060 | char *p = buf.release; |
|
|
3061 | |
|
|
3062 | if (uname (&buf)) |
|
|
3063 | return 0; |
|
|
3064 | |
|
|
3065 | for (i = 3+1; --i; ) |
|
|
3066 | { |
|
|
3067 | unsigned int c = 0; |
|
|
3068 | |
|
|
3069 | for (;;) |
|
|
3070 | { |
|
|
3071 | if (*p >= '0' && *p <= '9') |
|
|
3072 | c = c * 10 + *p++ - '0'; |
|
|
3073 | else |
|
|
3074 | { |
|
|
3075 | p += *p == '.'; |
|
|
3076 | break; |
|
|
3077 | } |
|
|
3078 | } |
|
|
3079 | |
|
|
3080 | v = (v << 8) | c; |
|
|
3081 | } |
|
|
3082 | |
|
|
3083 | return v; |
|
|
3084 | } |
|
|
3085 | |
|
|
3086 | inline_size void |
|
|
3087 | ev_check_2625 (EV_P) |
|
|
3088 | { |
|
|
3089 | /* kernels < 2.6.25 are borked |
|
|
3090 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
3091 | */ |
|
|
3092 | if (ev_linux_version () < 0x020619) |
|
|
3093 | return; |
|
|
3094 | |
|
|
3095 | fs_2625 = 1; |
|
|
3096 | } |
|
|
3097 | |
|
|
3098 | inline_size int |
|
|
3099 | infy_newfd (void) |
|
|
3100 | { |
|
|
3101 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3102 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3103 | if (fd >= 0) |
|
|
3104 | return fd; |
|
|
3105 | #endif |
|
|
3106 | return inotify_init (); |
|
|
3107 | } |
|
|
3108 | |
|
|
3109 | inline_size void |
2039 | infy_init (EV_P) |
3110 | infy_init (EV_P) |
2040 | { |
3111 | { |
2041 | if (fs_fd != -2) |
3112 | if (fs_fd != -2) |
2042 | return; |
3113 | return; |
2043 | |
3114 | |
|
|
3115 | fs_fd = -1; |
|
|
3116 | |
|
|
3117 | ev_check_2625 (EV_A); |
|
|
3118 | |
2044 | fs_fd = inotify_init (); |
3119 | fs_fd = infy_newfd (); |
2045 | |
3120 | |
2046 | if (fs_fd >= 0) |
3121 | if (fs_fd >= 0) |
2047 | { |
3122 | { |
|
|
3123 | fd_intern (fs_fd); |
2048 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3124 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2049 | ev_set_priority (&fs_w, EV_MAXPRI); |
3125 | ev_set_priority (&fs_w, EV_MAXPRI); |
2050 | ev_io_start (EV_A_ &fs_w); |
3126 | ev_io_start (EV_A_ &fs_w); |
|
|
3127 | ev_unref (EV_A); |
2051 | } |
3128 | } |
2052 | } |
3129 | } |
2053 | |
3130 | |
2054 | void inline_size |
3131 | inline_size void |
2055 | infy_fork (EV_P) |
3132 | infy_fork (EV_P) |
2056 | { |
3133 | { |
2057 | int slot; |
3134 | int slot; |
2058 | |
3135 | |
2059 | if (fs_fd < 0) |
3136 | if (fs_fd < 0) |
2060 | return; |
3137 | return; |
2061 | |
3138 | |
|
|
3139 | ev_ref (EV_A); |
|
|
3140 | ev_io_stop (EV_A_ &fs_w); |
2062 | close (fs_fd); |
3141 | close (fs_fd); |
2063 | fs_fd = inotify_init (); |
3142 | fs_fd = infy_newfd (); |
2064 | |
3143 | |
|
|
3144 | if (fs_fd >= 0) |
|
|
3145 | { |
|
|
3146 | fd_intern (fs_fd); |
|
|
3147 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3148 | ev_io_start (EV_A_ &fs_w); |
|
|
3149 | ev_unref (EV_A); |
|
|
3150 | } |
|
|
3151 | |
2065 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3152 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2066 | { |
3153 | { |
2067 | WL w_ = fs_hash [slot].head; |
3154 | WL w_ = fs_hash [slot].head; |
2068 | fs_hash [slot].head = 0; |
3155 | fs_hash [slot].head = 0; |
2069 | |
3156 | |
2070 | while (w_) |
3157 | while (w_) |
… | |
… | |
2075 | w->wd = -1; |
3162 | w->wd = -1; |
2076 | |
3163 | |
2077 | if (fs_fd >= 0) |
3164 | if (fs_fd >= 0) |
2078 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3165 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2079 | else |
3166 | else |
|
|
3167 | { |
|
|
3168 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3169 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2080 | ev_timer_start (EV_A_ &w->timer); |
3170 | ev_timer_again (EV_A_ &w->timer); |
|
|
3171 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3172 | } |
2081 | } |
3173 | } |
2082 | |
|
|
2083 | } |
3174 | } |
2084 | } |
3175 | } |
2085 | |
3176 | |
|
|
3177 | #endif |
|
|
3178 | |
|
|
3179 | #ifdef _WIN32 |
|
|
3180 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
3181 | #else |
|
|
3182 | # define EV_LSTAT(p,b) lstat (p, b) |
2086 | #endif |
3183 | #endif |
2087 | |
3184 | |
2088 | void |
3185 | void |
2089 | ev_stat_stat (EV_P_ ev_stat *w) |
3186 | ev_stat_stat (EV_P_ ev_stat *w) |
2090 | { |
3187 | { |
… | |
… | |
2097 | static void noinline |
3194 | static void noinline |
2098 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3195 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2099 | { |
3196 | { |
2100 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3197 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2101 | |
3198 | |
2102 | /* we copy this here each the time so that */ |
3199 | ev_statdata prev = w->attr; |
2103 | /* prev has the old value when the callback gets invoked */ |
|
|
2104 | w->prev = w->attr; |
|
|
2105 | ev_stat_stat (EV_A_ w); |
3200 | ev_stat_stat (EV_A_ w); |
2106 | |
3201 | |
2107 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3202 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
2108 | if ( |
3203 | if ( |
2109 | w->prev.st_dev != w->attr.st_dev |
3204 | prev.st_dev != w->attr.st_dev |
2110 | || w->prev.st_ino != w->attr.st_ino |
3205 | || prev.st_ino != w->attr.st_ino |
2111 | || w->prev.st_mode != w->attr.st_mode |
3206 | || prev.st_mode != w->attr.st_mode |
2112 | || w->prev.st_nlink != w->attr.st_nlink |
3207 | || prev.st_nlink != w->attr.st_nlink |
2113 | || w->prev.st_uid != w->attr.st_uid |
3208 | || prev.st_uid != w->attr.st_uid |
2114 | || w->prev.st_gid != w->attr.st_gid |
3209 | || prev.st_gid != w->attr.st_gid |
2115 | || w->prev.st_rdev != w->attr.st_rdev |
3210 | || prev.st_rdev != w->attr.st_rdev |
2116 | || w->prev.st_size != w->attr.st_size |
3211 | || prev.st_size != w->attr.st_size |
2117 | || w->prev.st_atime != w->attr.st_atime |
3212 | || prev.st_atime != w->attr.st_atime |
2118 | || w->prev.st_mtime != w->attr.st_mtime |
3213 | || prev.st_mtime != w->attr.st_mtime |
2119 | || w->prev.st_ctime != w->attr.st_ctime |
3214 | || prev.st_ctime != w->attr.st_ctime |
2120 | ) { |
3215 | ) { |
|
|
3216 | /* we only update w->prev on actual differences */ |
|
|
3217 | /* in case we test more often than invoke the callback, */ |
|
|
3218 | /* to ensure that prev is always different to attr */ |
|
|
3219 | w->prev = prev; |
|
|
3220 | |
2121 | #if EV_USE_INOTIFY |
3221 | #if EV_USE_INOTIFY |
|
|
3222 | if (fs_fd >= 0) |
|
|
3223 | { |
2122 | infy_del (EV_A_ w); |
3224 | infy_del (EV_A_ w); |
2123 | infy_add (EV_A_ w); |
3225 | infy_add (EV_A_ w); |
2124 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
3226 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
3227 | } |
2125 | #endif |
3228 | #endif |
2126 | |
3229 | |
2127 | ev_feed_event (EV_A_ w, EV_STAT); |
3230 | ev_feed_event (EV_A_ w, EV_STAT); |
2128 | } |
3231 | } |
2129 | } |
3232 | } |
… | |
… | |
2132 | ev_stat_start (EV_P_ ev_stat *w) |
3235 | ev_stat_start (EV_P_ ev_stat *w) |
2133 | { |
3236 | { |
2134 | if (expect_false (ev_is_active (w))) |
3237 | if (expect_false (ev_is_active (w))) |
2135 | return; |
3238 | return; |
2136 | |
3239 | |
2137 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2138 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2139 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2140 | |
|
|
2141 | ev_stat_stat (EV_A_ w); |
3240 | ev_stat_stat (EV_A_ w); |
2142 | |
3241 | |
|
|
3242 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2143 | if (w->interval < MIN_STAT_INTERVAL) |
3243 | w->interval = MIN_STAT_INTERVAL; |
2144 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2145 | |
3244 | |
2146 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
3245 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2147 | ev_set_priority (&w->timer, ev_priority (w)); |
3246 | ev_set_priority (&w->timer, ev_priority (w)); |
2148 | |
3247 | |
2149 | #if EV_USE_INOTIFY |
3248 | #if EV_USE_INOTIFY |
2150 | infy_init (EV_A); |
3249 | infy_init (EV_A); |
2151 | |
3250 | |
2152 | if (fs_fd >= 0) |
3251 | if (fs_fd >= 0) |
2153 | infy_add (EV_A_ w); |
3252 | infy_add (EV_A_ w); |
2154 | else |
3253 | else |
2155 | #endif |
3254 | #endif |
|
|
3255 | { |
2156 | ev_timer_start (EV_A_ &w->timer); |
3256 | ev_timer_again (EV_A_ &w->timer); |
|
|
3257 | ev_unref (EV_A); |
|
|
3258 | } |
2157 | |
3259 | |
2158 | ev_start (EV_A_ (W)w, 1); |
3260 | ev_start (EV_A_ (W)w, 1); |
|
|
3261 | |
|
|
3262 | EV_FREQUENT_CHECK; |
2159 | } |
3263 | } |
2160 | |
3264 | |
2161 | void |
3265 | void |
2162 | ev_stat_stop (EV_P_ ev_stat *w) |
3266 | ev_stat_stop (EV_P_ ev_stat *w) |
2163 | { |
3267 | { |
2164 | clear_pending (EV_A_ (W)w); |
3268 | clear_pending (EV_A_ (W)w); |
2165 | if (expect_false (!ev_is_active (w))) |
3269 | if (expect_false (!ev_is_active (w))) |
2166 | return; |
3270 | return; |
2167 | |
3271 | |
|
|
3272 | EV_FREQUENT_CHECK; |
|
|
3273 | |
2168 | #if EV_USE_INOTIFY |
3274 | #if EV_USE_INOTIFY |
2169 | infy_del (EV_A_ w); |
3275 | infy_del (EV_A_ w); |
2170 | #endif |
3276 | #endif |
|
|
3277 | |
|
|
3278 | if (ev_is_active (&w->timer)) |
|
|
3279 | { |
|
|
3280 | ev_ref (EV_A); |
2171 | ev_timer_stop (EV_A_ &w->timer); |
3281 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3282 | } |
2172 | |
3283 | |
2173 | ev_stop (EV_A_ (W)w); |
3284 | ev_stop (EV_A_ (W)w); |
|
|
3285 | |
|
|
3286 | EV_FREQUENT_CHECK; |
2174 | } |
3287 | } |
2175 | #endif |
3288 | #endif |
2176 | |
3289 | |
2177 | #if EV_IDLE_ENABLE |
3290 | #if EV_IDLE_ENABLE |
2178 | void |
3291 | void |
… | |
… | |
2180 | { |
3293 | { |
2181 | if (expect_false (ev_is_active (w))) |
3294 | if (expect_false (ev_is_active (w))) |
2182 | return; |
3295 | return; |
2183 | |
3296 | |
2184 | pri_adjust (EV_A_ (W)w); |
3297 | pri_adjust (EV_A_ (W)w); |
|
|
3298 | |
|
|
3299 | EV_FREQUENT_CHECK; |
2185 | |
3300 | |
2186 | { |
3301 | { |
2187 | int active = ++idlecnt [ABSPRI (w)]; |
3302 | int active = ++idlecnt [ABSPRI (w)]; |
2188 | |
3303 | |
2189 | ++idleall; |
3304 | ++idleall; |
2190 | ev_start (EV_A_ (W)w, active); |
3305 | ev_start (EV_A_ (W)w, active); |
2191 | |
3306 | |
2192 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
3307 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2193 | idles [ABSPRI (w)][active - 1] = w; |
3308 | idles [ABSPRI (w)][active - 1] = w; |
2194 | } |
3309 | } |
|
|
3310 | |
|
|
3311 | EV_FREQUENT_CHECK; |
2195 | } |
3312 | } |
2196 | |
3313 | |
2197 | void |
3314 | void |
2198 | ev_idle_stop (EV_P_ ev_idle *w) |
3315 | ev_idle_stop (EV_P_ ev_idle *w) |
2199 | { |
3316 | { |
2200 | clear_pending (EV_A_ (W)w); |
3317 | clear_pending (EV_A_ (W)w); |
2201 | if (expect_false (!ev_is_active (w))) |
3318 | if (expect_false (!ev_is_active (w))) |
2202 | return; |
3319 | return; |
2203 | |
3320 | |
|
|
3321 | EV_FREQUENT_CHECK; |
|
|
3322 | |
2204 | { |
3323 | { |
2205 | int active = ((W)w)->active; |
3324 | int active = ev_active (w); |
2206 | |
3325 | |
2207 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
3326 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2208 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
3327 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2209 | |
3328 | |
2210 | ev_stop (EV_A_ (W)w); |
3329 | ev_stop (EV_A_ (W)w); |
2211 | --idleall; |
3330 | --idleall; |
2212 | } |
3331 | } |
2213 | } |
|
|
2214 | #endif |
|
|
2215 | |
3332 | |
|
|
3333 | EV_FREQUENT_CHECK; |
|
|
3334 | } |
|
|
3335 | #endif |
|
|
3336 | |
|
|
3337 | #if EV_PREPARE_ENABLE |
2216 | void |
3338 | void |
2217 | ev_prepare_start (EV_P_ ev_prepare *w) |
3339 | ev_prepare_start (EV_P_ ev_prepare *w) |
2218 | { |
3340 | { |
2219 | if (expect_false (ev_is_active (w))) |
3341 | if (expect_false (ev_is_active (w))) |
2220 | return; |
3342 | return; |
|
|
3343 | |
|
|
3344 | EV_FREQUENT_CHECK; |
2221 | |
3345 | |
2222 | ev_start (EV_A_ (W)w, ++preparecnt); |
3346 | ev_start (EV_A_ (W)w, ++preparecnt); |
2223 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
3347 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2224 | prepares [preparecnt - 1] = w; |
3348 | prepares [preparecnt - 1] = w; |
|
|
3349 | |
|
|
3350 | EV_FREQUENT_CHECK; |
2225 | } |
3351 | } |
2226 | |
3352 | |
2227 | void |
3353 | void |
2228 | ev_prepare_stop (EV_P_ ev_prepare *w) |
3354 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2229 | { |
3355 | { |
2230 | clear_pending (EV_A_ (W)w); |
3356 | clear_pending (EV_A_ (W)w); |
2231 | if (expect_false (!ev_is_active (w))) |
3357 | if (expect_false (!ev_is_active (w))) |
2232 | return; |
3358 | return; |
2233 | |
3359 | |
|
|
3360 | EV_FREQUENT_CHECK; |
|
|
3361 | |
2234 | { |
3362 | { |
2235 | int active = ((W)w)->active; |
3363 | int active = ev_active (w); |
|
|
3364 | |
2236 | prepares [active - 1] = prepares [--preparecnt]; |
3365 | prepares [active - 1] = prepares [--preparecnt]; |
2237 | ((W)prepares [active - 1])->active = active; |
3366 | ev_active (prepares [active - 1]) = active; |
2238 | } |
3367 | } |
2239 | |
3368 | |
2240 | ev_stop (EV_A_ (W)w); |
3369 | ev_stop (EV_A_ (W)w); |
2241 | } |
|
|
2242 | |
3370 | |
|
|
3371 | EV_FREQUENT_CHECK; |
|
|
3372 | } |
|
|
3373 | #endif |
|
|
3374 | |
|
|
3375 | #if EV_CHECK_ENABLE |
2243 | void |
3376 | void |
2244 | ev_check_start (EV_P_ ev_check *w) |
3377 | ev_check_start (EV_P_ ev_check *w) |
2245 | { |
3378 | { |
2246 | if (expect_false (ev_is_active (w))) |
3379 | if (expect_false (ev_is_active (w))) |
2247 | return; |
3380 | return; |
|
|
3381 | |
|
|
3382 | EV_FREQUENT_CHECK; |
2248 | |
3383 | |
2249 | ev_start (EV_A_ (W)w, ++checkcnt); |
3384 | ev_start (EV_A_ (W)w, ++checkcnt); |
2250 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
3385 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2251 | checks [checkcnt - 1] = w; |
3386 | checks [checkcnt - 1] = w; |
|
|
3387 | |
|
|
3388 | EV_FREQUENT_CHECK; |
2252 | } |
3389 | } |
2253 | |
3390 | |
2254 | void |
3391 | void |
2255 | ev_check_stop (EV_P_ ev_check *w) |
3392 | ev_check_stop (EV_P_ ev_check *w) |
2256 | { |
3393 | { |
2257 | clear_pending (EV_A_ (W)w); |
3394 | clear_pending (EV_A_ (W)w); |
2258 | if (expect_false (!ev_is_active (w))) |
3395 | if (expect_false (!ev_is_active (w))) |
2259 | return; |
3396 | return; |
2260 | |
3397 | |
|
|
3398 | EV_FREQUENT_CHECK; |
|
|
3399 | |
2261 | { |
3400 | { |
2262 | int active = ((W)w)->active; |
3401 | int active = ev_active (w); |
|
|
3402 | |
2263 | checks [active - 1] = checks [--checkcnt]; |
3403 | checks [active - 1] = checks [--checkcnt]; |
2264 | ((W)checks [active - 1])->active = active; |
3404 | ev_active (checks [active - 1]) = active; |
2265 | } |
3405 | } |
2266 | |
3406 | |
2267 | ev_stop (EV_A_ (W)w); |
3407 | ev_stop (EV_A_ (W)w); |
|
|
3408 | |
|
|
3409 | EV_FREQUENT_CHECK; |
2268 | } |
3410 | } |
|
|
3411 | #endif |
2269 | |
3412 | |
2270 | #if EV_EMBED_ENABLE |
3413 | #if EV_EMBED_ENABLE |
2271 | void noinline |
3414 | void noinline |
2272 | ev_embed_sweep (EV_P_ ev_embed *w) |
3415 | ev_embed_sweep (EV_P_ ev_embed *w) |
2273 | { |
3416 | { |
… | |
… | |
2289 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3432 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
2290 | { |
3433 | { |
2291 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3434 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
2292 | |
3435 | |
2293 | { |
3436 | { |
2294 | struct ev_loop *loop = w->other; |
3437 | EV_P = w->other; |
2295 | |
3438 | |
2296 | while (fdchangecnt) |
3439 | while (fdchangecnt) |
2297 | { |
3440 | { |
2298 | fd_reify (EV_A); |
3441 | fd_reify (EV_A); |
2299 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3442 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2300 | } |
3443 | } |
2301 | } |
3444 | } |
2302 | } |
3445 | } |
2303 | |
3446 | |
|
|
3447 | static void |
|
|
3448 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
3449 | { |
|
|
3450 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
3451 | |
|
|
3452 | ev_embed_stop (EV_A_ w); |
|
|
3453 | |
|
|
3454 | { |
|
|
3455 | EV_P = w->other; |
|
|
3456 | |
|
|
3457 | ev_loop_fork (EV_A); |
|
|
3458 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
3459 | } |
|
|
3460 | |
|
|
3461 | ev_embed_start (EV_A_ w); |
|
|
3462 | } |
|
|
3463 | |
2304 | #if 0 |
3464 | #if 0 |
2305 | static void |
3465 | static void |
2306 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
3466 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2307 | { |
3467 | { |
2308 | ev_idle_stop (EV_A_ idle); |
3468 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2314 | { |
3474 | { |
2315 | if (expect_false (ev_is_active (w))) |
3475 | if (expect_false (ev_is_active (w))) |
2316 | return; |
3476 | return; |
2317 | |
3477 | |
2318 | { |
3478 | { |
2319 | struct ev_loop *loop = w->other; |
3479 | EV_P = w->other; |
2320 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3480 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2321 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3481 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2322 | } |
3482 | } |
|
|
3483 | |
|
|
3484 | EV_FREQUENT_CHECK; |
2323 | |
3485 | |
2324 | ev_set_priority (&w->io, ev_priority (w)); |
3486 | ev_set_priority (&w->io, ev_priority (w)); |
2325 | ev_io_start (EV_A_ &w->io); |
3487 | ev_io_start (EV_A_ &w->io); |
2326 | |
3488 | |
2327 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
3489 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2328 | ev_set_priority (&w->prepare, EV_MINPRI); |
3490 | ev_set_priority (&w->prepare, EV_MINPRI); |
2329 | ev_prepare_start (EV_A_ &w->prepare); |
3491 | ev_prepare_start (EV_A_ &w->prepare); |
2330 | |
3492 | |
|
|
3493 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
3494 | ev_fork_start (EV_A_ &w->fork); |
|
|
3495 | |
2331 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
3496 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2332 | |
3497 | |
2333 | ev_start (EV_A_ (W)w, 1); |
3498 | ev_start (EV_A_ (W)w, 1); |
|
|
3499 | |
|
|
3500 | EV_FREQUENT_CHECK; |
2334 | } |
3501 | } |
2335 | |
3502 | |
2336 | void |
3503 | void |
2337 | ev_embed_stop (EV_P_ ev_embed *w) |
3504 | ev_embed_stop (EV_P_ ev_embed *w) |
2338 | { |
3505 | { |
2339 | clear_pending (EV_A_ (W)w); |
3506 | clear_pending (EV_A_ (W)w); |
2340 | if (expect_false (!ev_is_active (w))) |
3507 | if (expect_false (!ev_is_active (w))) |
2341 | return; |
3508 | return; |
2342 | |
3509 | |
|
|
3510 | EV_FREQUENT_CHECK; |
|
|
3511 | |
2343 | ev_io_stop (EV_A_ &w->io); |
3512 | ev_io_stop (EV_A_ &w->io); |
2344 | ev_prepare_stop (EV_A_ &w->prepare); |
3513 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
3514 | ev_fork_stop (EV_A_ &w->fork); |
2345 | |
3515 | |
2346 | ev_stop (EV_A_ (W)w); |
3516 | ev_stop (EV_A_ (W)w); |
|
|
3517 | |
|
|
3518 | EV_FREQUENT_CHECK; |
2347 | } |
3519 | } |
2348 | #endif |
3520 | #endif |
2349 | |
3521 | |
2350 | #if EV_FORK_ENABLE |
3522 | #if EV_FORK_ENABLE |
2351 | void |
3523 | void |
2352 | ev_fork_start (EV_P_ ev_fork *w) |
3524 | ev_fork_start (EV_P_ ev_fork *w) |
2353 | { |
3525 | { |
2354 | if (expect_false (ev_is_active (w))) |
3526 | if (expect_false (ev_is_active (w))) |
2355 | return; |
3527 | return; |
|
|
3528 | |
|
|
3529 | EV_FREQUENT_CHECK; |
2356 | |
3530 | |
2357 | ev_start (EV_A_ (W)w, ++forkcnt); |
3531 | ev_start (EV_A_ (W)w, ++forkcnt); |
2358 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
3532 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2359 | forks [forkcnt - 1] = w; |
3533 | forks [forkcnt - 1] = w; |
|
|
3534 | |
|
|
3535 | EV_FREQUENT_CHECK; |
2360 | } |
3536 | } |
2361 | |
3537 | |
2362 | void |
3538 | void |
2363 | ev_fork_stop (EV_P_ ev_fork *w) |
3539 | ev_fork_stop (EV_P_ ev_fork *w) |
2364 | { |
3540 | { |
2365 | clear_pending (EV_A_ (W)w); |
3541 | clear_pending (EV_A_ (W)w); |
2366 | if (expect_false (!ev_is_active (w))) |
3542 | if (expect_false (!ev_is_active (w))) |
2367 | return; |
3543 | return; |
2368 | |
3544 | |
|
|
3545 | EV_FREQUENT_CHECK; |
|
|
3546 | |
2369 | { |
3547 | { |
2370 | int active = ((W)w)->active; |
3548 | int active = ev_active (w); |
|
|
3549 | |
2371 | forks [active - 1] = forks [--forkcnt]; |
3550 | forks [active - 1] = forks [--forkcnt]; |
2372 | ((W)forks [active - 1])->active = active; |
3551 | ev_active (forks [active - 1]) = active; |
2373 | } |
3552 | } |
2374 | |
3553 | |
2375 | ev_stop (EV_A_ (W)w); |
3554 | ev_stop (EV_A_ (W)w); |
|
|
3555 | |
|
|
3556 | EV_FREQUENT_CHECK; |
|
|
3557 | } |
|
|
3558 | #endif |
|
|
3559 | |
|
|
3560 | #if EV_ASYNC_ENABLE |
|
|
3561 | void |
|
|
3562 | ev_async_start (EV_P_ ev_async *w) |
|
|
3563 | { |
|
|
3564 | if (expect_false (ev_is_active (w))) |
|
|
3565 | return; |
|
|
3566 | |
|
|
3567 | evpipe_init (EV_A); |
|
|
3568 | |
|
|
3569 | EV_FREQUENT_CHECK; |
|
|
3570 | |
|
|
3571 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
3572 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
3573 | asyncs [asynccnt - 1] = w; |
|
|
3574 | |
|
|
3575 | EV_FREQUENT_CHECK; |
|
|
3576 | } |
|
|
3577 | |
|
|
3578 | void |
|
|
3579 | ev_async_stop (EV_P_ ev_async *w) |
|
|
3580 | { |
|
|
3581 | clear_pending (EV_A_ (W)w); |
|
|
3582 | if (expect_false (!ev_is_active (w))) |
|
|
3583 | return; |
|
|
3584 | |
|
|
3585 | EV_FREQUENT_CHECK; |
|
|
3586 | |
|
|
3587 | { |
|
|
3588 | int active = ev_active (w); |
|
|
3589 | |
|
|
3590 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
3591 | ev_active (asyncs [active - 1]) = active; |
|
|
3592 | } |
|
|
3593 | |
|
|
3594 | ev_stop (EV_A_ (W)w); |
|
|
3595 | |
|
|
3596 | EV_FREQUENT_CHECK; |
|
|
3597 | } |
|
|
3598 | |
|
|
3599 | void |
|
|
3600 | ev_async_send (EV_P_ ev_async *w) |
|
|
3601 | { |
|
|
3602 | w->sent = 1; |
|
|
3603 | evpipe_write (EV_A_ &async_pending); |
2376 | } |
3604 | } |
2377 | #endif |
3605 | #endif |
2378 | |
3606 | |
2379 | /*****************************************************************************/ |
3607 | /*****************************************************************************/ |
2380 | |
3608 | |
… | |
… | |
2390 | once_cb (EV_P_ struct ev_once *once, int revents) |
3618 | once_cb (EV_P_ struct ev_once *once, int revents) |
2391 | { |
3619 | { |
2392 | void (*cb)(int revents, void *arg) = once->cb; |
3620 | void (*cb)(int revents, void *arg) = once->cb; |
2393 | void *arg = once->arg; |
3621 | void *arg = once->arg; |
2394 | |
3622 | |
2395 | ev_io_stop (EV_A_ &once->io); |
3623 | ev_io_stop (EV_A_ &once->io); |
2396 | ev_timer_stop (EV_A_ &once->to); |
3624 | ev_timer_stop (EV_A_ &once->to); |
2397 | ev_free (once); |
3625 | ev_free (once); |
2398 | |
3626 | |
2399 | cb (revents, arg); |
3627 | cb (revents, arg); |
2400 | } |
3628 | } |
2401 | |
3629 | |
2402 | static void |
3630 | static void |
2403 | once_cb_io (EV_P_ ev_io *w, int revents) |
3631 | once_cb_io (EV_P_ ev_io *w, int revents) |
2404 | { |
3632 | { |
2405 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3633 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3634 | |
|
|
3635 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2406 | } |
3636 | } |
2407 | |
3637 | |
2408 | static void |
3638 | static void |
2409 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3639 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2410 | { |
3640 | { |
2411 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3641 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3642 | |
|
|
3643 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2412 | } |
3644 | } |
2413 | |
3645 | |
2414 | void |
3646 | void |
2415 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3647 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2416 | { |
3648 | { |
2417 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3649 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
2418 | |
3650 | |
2419 | if (expect_false (!once)) |
3651 | if (expect_false (!once)) |
2420 | { |
3652 | { |
2421 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3653 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
2422 | return; |
3654 | return; |
2423 | } |
3655 | } |
2424 | |
3656 | |
2425 | once->cb = cb; |
3657 | once->cb = cb; |
2426 | once->arg = arg; |
3658 | once->arg = arg; |
… | |
… | |
2438 | ev_timer_set (&once->to, timeout, 0.); |
3670 | ev_timer_set (&once->to, timeout, 0.); |
2439 | ev_timer_start (EV_A_ &once->to); |
3671 | ev_timer_start (EV_A_ &once->to); |
2440 | } |
3672 | } |
2441 | } |
3673 | } |
2442 | |
3674 | |
|
|
3675 | /*****************************************************************************/ |
|
|
3676 | |
|
|
3677 | #if EV_WALK_ENABLE |
|
|
3678 | void |
|
|
3679 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3680 | { |
|
|
3681 | int i, j; |
|
|
3682 | ev_watcher_list *wl, *wn; |
|
|
3683 | |
|
|
3684 | if (types & (EV_IO | EV_EMBED)) |
|
|
3685 | for (i = 0; i < anfdmax; ++i) |
|
|
3686 | for (wl = anfds [i].head; wl; ) |
|
|
3687 | { |
|
|
3688 | wn = wl->next; |
|
|
3689 | |
|
|
3690 | #if EV_EMBED_ENABLE |
|
|
3691 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3692 | { |
|
|
3693 | if (types & EV_EMBED) |
|
|
3694 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3695 | } |
|
|
3696 | else |
|
|
3697 | #endif |
|
|
3698 | #if EV_USE_INOTIFY |
|
|
3699 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3700 | ; |
|
|
3701 | else |
|
|
3702 | #endif |
|
|
3703 | if ((ev_io *)wl != &pipe_w) |
|
|
3704 | if (types & EV_IO) |
|
|
3705 | cb (EV_A_ EV_IO, wl); |
|
|
3706 | |
|
|
3707 | wl = wn; |
|
|
3708 | } |
|
|
3709 | |
|
|
3710 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3711 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3712 | #if EV_STAT_ENABLE |
|
|
3713 | /*TODO: timer is not always active*/ |
|
|
3714 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3715 | { |
|
|
3716 | if (types & EV_STAT) |
|
|
3717 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3718 | } |
|
|
3719 | else |
|
|
3720 | #endif |
|
|
3721 | if (types & EV_TIMER) |
|
|
3722 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3723 | |
|
|
3724 | #if EV_PERIODIC_ENABLE |
|
|
3725 | if (types & EV_PERIODIC) |
|
|
3726 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3727 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3728 | #endif |
|
|
3729 | |
|
|
3730 | #if EV_IDLE_ENABLE |
|
|
3731 | if (types & EV_IDLE) |
|
|
3732 | for (j = NUMPRI; i--; ) |
|
|
3733 | for (i = idlecnt [j]; i--; ) |
|
|
3734 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3735 | #endif |
|
|
3736 | |
|
|
3737 | #if EV_FORK_ENABLE |
|
|
3738 | if (types & EV_FORK) |
|
|
3739 | for (i = forkcnt; i--; ) |
|
|
3740 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3741 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3742 | #endif |
|
|
3743 | |
|
|
3744 | #if EV_ASYNC_ENABLE |
|
|
3745 | if (types & EV_ASYNC) |
|
|
3746 | for (i = asynccnt; i--; ) |
|
|
3747 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3748 | #endif |
|
|
3749 | |
|
|
3750 | #if EV_PREPARE_ENABLE |
|
|
3751 | if (types & EV_PREPARE) |
|
|
3752 | for (i = preparecnt; i--; ) |
|
|
3753 | # if EV_EMBED_ENABLE |
|
|
3754 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3755 | # endif |
|
|
3756 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3757 | #endif |
|
|
3758 | |
|
|
3759 | #if EV_CHECK_ENABLE |
|
|
3760 | if (types & EV_CHECK) |
|
|
3761 | for (i = checkcnt; i--; ) |
|
|
3762 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3763 | #endif |
|
|
3764 | |
|
|
3765 | #if EV_SIGNAL_ENABLE |
|
|
3766 | if (types & EV_SIGNAL) |
|
|
3767 | for (i = 0; i < EV_NSIG - 1; ++i) |
|
|
3768 | for (wl = signals [i].head; wl; ) |
|
|
3769 | { |
|
|
3770 | wn = wl->next; |
|
|
3771 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3772 | wl = wn; |
|
|
3773 | } |
|
|
3774 | #endif |
|
|
3775 | |
|
|
3776 | #if EV_CHILD_ENABLE |
|
|
3777 | if (types & EV_CHILD) |
|
|
3778 | for (i = (EV_PID_HASHSIZE); i--; ) |
|
|
3779 | for (wl = childs [i]; wl; ) |
|
|
3780 | { |
|
|
3781 | wn = wl->next; |
|
|
3782 | cb (EV_A_ EV_CHILD, wl); |
|
|
3783 | wl = wn; |
|
|
3784 | } |
|
|
3785 | #endif |
|
|
3786 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3787 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3788 | } |
|
|
3789 | #endif |
|
|
3790 | |
2443 | #if EV_MULTIPLICITY |
3791 | #if EV_MULTIPLICITY |
2444 | #include "ev_wrap.h" |
3792 | #include "ev_wrap.h" |
2445 | #endif |
3793 | #endif |
2446 | |
3794 | |
2447 | #ifdef __cplusplus |
3795 | #ifdef __cplusplus |