1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009 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 | * |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifdef __cplusplus |
|
|
41 | extern "C" { |
|
|
42 | #endif |
|
|
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
40 | /* this big block deduces configuration from config.h */ |
45 | #ifndef EV_STANDALONE |
41 | #ifndef EV_STANDALONE |
46 | # ifdef EV_CONFIG_H |
42 | # ifdef EV_CONFIG_H |
47 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
48 | # else |
44 | # else |
… | |
… | |
77 | # ifndef EV_USE_REALTIME |
73 | # ifndef EV_USE_REALTIME |
78 | # define EV_USE_REALTIME 0 |
74 | # define EV_USE_REALTIME 0 |
79 | # endif |
75 | # endif |
80 | # endif |
76 | # endif |
81 | |
77 | |
|
|
78 | # if HAVE_NANOSLEEP |
82 | # ifndef EV_USE_NANOSLEEP |
79 | # ifndef EV_USE_NANOSLEEP |
83 | # if HAVE_NANOSLEEP |
|
|
84 | # define EV_USE_NANOSLEEP 1 |
80 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
81 | # endif |
85 | # else |
82 | # else |
|
|
83 | # undef EV_USE_NANOSLEEP |
86 | # define EV_USE_NANOSLEEP 0 |
84 | # define EV_USE_NANOSLEEP 0 |
|
|
85 | # endif |
|
|
86 | |
|
|
87 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
88 | # ifndef EV_USE_SELECT |
|
|
89 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
87 | # endif |
90 | # endif |
|
|
91 | # else |
|
|
92 | # undef EV_USE_SELECT |
|
|
93 | # define EV_USE_SELECT 0 |
88 | # endif |
94 | # endif |
89 | |
95 | |
|
|
96 | # if HAVE_POLL && HAVE_POLL_H |
90 | # ifndef EV_USE_SELECT |
97 | # ifndef EV_USE_POLL |
91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
98 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
92 | # define EV_USE_SELECT 1 |
|
|
93 | # else |
|
|
94 | # define EV_USE_SELECT 0 |
|
|
95 | # endif |
99 | # endif |
96 | # endif |
|
|
97 | |
|
|
98 | # ifndef EV_USE_POLL |
|
|
99 | # if HAVE_POLL && HAVE_POLL_H |
|
|
100 | # define EV_USE_POLL 1 |
|
|
101 | # else |
100 | # else |
|
|
101 | # undef EV_USE_POLL |
102 | # define EV_USE_POLL 0 |
102 | # define EV_USE_POLL 0 |
103 | # endif |
|
|
104 | # endif |
103 | # endif |
105 | |
104 | |
106 | # ifndef EV_USE_EPOLL |
|
|
107 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
105 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
108 | # define EV_USE_EPOLL 1 |
106 | # ifndef EV_USE_EPOLL |
109 | # else |
107 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
110 | # define EV_USE_EPOLL 0 |
|
|
111 | # endif |
108 | # endif |
|
|
109 | # else |
|
|
110 | # undef EV_USE_EPOLL |
|
|
111 | # define EV_USE_EPOLL 0 |
112 | # endif |
112 | # endif |
113 | |
113 | |
|
|
114 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
114 | # ifndef EV_USE_KQUEUE |
115 | # ifndef EV_USE_KQUEUE |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
116 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
116 | # define EV_USE_KQUEUE 1 |
|
|
117 | # else |
|
|
118 | # define EV_USE_KQUEUE 0 |
|
|
119 | # endif |
117 | # endif |
|
|
118 | # else |
|
|
119 | # undef EV_USE_KQUEUE |
|
|
120 | # define EV_USE_KQUEUE 0 |
120 | # endif |
121 | # endif |
121 | |
122 | |
122 | # ifndef EV_USE_PORT |
|
|
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
124 | # define EV_USE_PORT 1 |
124 | # ifndef EV_USE_PORT |
125 | # else |
125 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
126 | # define EV_USE_PORT 0 |
|
|
127 | # endif |
126 | # endif |
|
|
127 | # else |
|
|
128 | # undef EV_USE_PORT |
|
|
129 | # define EV_USE_PORT 0 |
128 | # endif |
130 | # endif |
129 | |
131 | |
130 | # ifndef EV_USE_INOTIFY |
|
|
131 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # define EV_USE_INOTIFY 1 |
133 | # ifndef EV_USE_INOTIFY |
133 | # else |
|
|
134 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY EV_FEATURE_OS |
135 | # endif |
135 | # endif |
|
|
136 | # else |
|
|
137 | # undef EV_USE_INOTIFY |
|
|
138 | # define EV_USE_INOTIFY 0 |
136 | # endif |
139 | # endif |
137 | |
140 | |
138 | # ifndef EV_USE_SIGNALFD |
|
|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
141 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
140 | # define EV_USE_SIGNALFD 1 |
142 | # ifndef EV_USE_SIGNALFD |
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
143 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
143 | # endif |
144 | # endif |
|
|
145 | # else |
|
|
146 | # undef EV_USE_SIGNALFD |
|
|
147 | # define EV_USE_SIGNALFD 0 |
144 | # endif |
148 | # endif |
145 | |
149 | |
|
|
150 | # if HAVE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
151 | # ifndef EV_USE_EVENTFD |
147 | # if HAVE_EVENTFD |
|
|
148 | # define EV_USE_EVENTFD 1 |
152 | # define EV_USE_EVENTFD EV_FEATURE_OS |
149 | # else |
|
|
150 | # define EV_USE_EVENTFD 0 |
|
|
151 | # endif |
153 | # endif |
|
|
154 | # else |
|
|
155 | # undef EV_USE_EVENTFD |
|
|
156 | # define EV_USE_EVENTFD 0 |
152 | # endif |
157 | # endif |
153 | |
158 | |
154 | #endif |
159 | #endif |
155 | |
160 | |
156 | #include <math.h> |
161 | #include <math.h> |
157 | #include <stdlib.h> |
162 | #include <stdlib.h> |
|
|
163 | #include <string.h> |
158 | #include <fcntl.h> |
164 | #include <fcntl.h> |
159 | #include <stddef.h> |
165 | #include <stddef.h> |
160 | |
166 | |
161 | #include <stdio.h> |
167 | #include <stdio.h> |
162 | |
168 | |
163 | #include <assert.h> |
169 | #include <assert.h> |
164 | #include <errno.h> |
170 | #include <errno.h> |
165 | #include <sys/types.h> |
171 | #include <sys/types.h> |
166 | #include <time.h> |
172 | #include <time.h> |
|
|
173 | #include <limits.h> |
167 | |
174 | |
168 | #include <signal.h> |
175 | #include <signal.h> |
169 | |
176 | |
170 | #ifdef EV_H |
177 | #ifdef EV_H |
171 | # include EV_H |
178 | # include EV_H |
172 | #else |
179 | #else |
173 | # include "ev.h" |
180 | # include "ev.h" |
174 | #endif |
181 | #endif |
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|
182 | |
|
|
183 | EV_CPP(extern "C" {) |
175 | |
184 | |
176 | #ifndef _WIN32 |
185 | #ifndef _WIN32 |
177 | # include <sys/time.h> |
186 | # include <sys/time.h> |
178 | # include <sys/wait.h> |
187 | # include <sys/wait.h> |
179 | # include <unistd.h> |
188 | # include <unistd.h> |
… | |
… | |
182 | # define WIN32_LEAN_AND_MEAN |
191 | # define WIN32_LEAN_AND_MEAN |
183 | # include <windows.h> |
192 | # include <windows.h> |
184 | # ifndef EV_SELECT_IS_WINSOCKET |
193 | # ifndef EV_SELECT_IS_WINSOCKET |
185 | # define EV_SELECT_IS_WINSOCKET 1 |
194 | # define EV_SELECT_IS_WINSOCKET 1 |
186 | # endif |
195 | # endif |
|
|
196 | # undef EV_AVOID_STDIO |
187 | #endif |
197 | #endif |
|
|
198 | |
|
|
199 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
200 | * a limit of 1024 into their select. Where people have brains, |
|
|
201 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
202 | * ordered to have a vacuum, or they do anything for money. |
|
|
203 | * This might help. Or not. |
|
|
204 | */ |
|
|
205 | #define _DARWIN_UNLIMITED_SELECT 1 |
188 | |
206 | |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
207 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
190 | |
208 | |
191 | /* try to deduce the maximum number of signals on this platform */ |
209 | /* try to deduce the maximum number of signals on this platform */ |
192 | #if defined (EV_NSIG) |
210 | #if defined (EV_NSIG) |
… | |
… | |
204 | #elif defined (MAXSIG) |
222 | #elif defined (MAXSIG) |
205 | # define EV_NSIG (MAXSIG+1) |
223 | # define EV_NSIG (MAXSIG+1) |
206 | #elif defined (MAX_SIG) |
224 | #elif defined (MAX_SIG) |
207 | # define EV_NSIG (MAX_SIG+1) |
225 | # define EV_NSIG (MAX_SIG+1) |
208 | #elif defined (SIGARRAYSIZE) |
226 | #elif defined (SIGARRAYSIZE) |
209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
227 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
210 | #elif defined (_sys_nsig) |
228 | #elif defined (_sys_nsig) |
211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
229 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
212 | #else |
230 | #else |
213 | # error "unable to find value for NSIG, please report" |
231 | # error "unable to find value for NSIG, please report" |
214 | /* to make it compile regardless, just remove the above line */ |
232 | /* to make it compile regardless, just remove the above line, */ |
|
|
233 | /* but consider reporting it, too! :) */ |
215 | # define EV_NSIG 65 |
234 | # define EV_NSIG 65 |
216 | #endif |
235 | #endif |
217 | |
236 | |
218 | #ifndef EV_USE_CLOCK_SYSCALL |
237 | #ifndef EV_USE_CLOCK_SYSCALL |
219 | # if __linux && __GLIBC__ >= 2 |
238 | # if __linux && __GLIBC__ >= 2 |
220 | # define EV_USE_CLOCK_SYSCALL 1 |
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
221 | # else |
240 | # else |
222 | # define EV_USE_CLOCK_SYSCALL 0 |
241 | # define EV_USE_CLOCK_SYSCALL 0 |
223 | # endif |
242 | # endif |
224 | #endif |
243 | #endif |
225 | |
244 | |
226 | #ifndef EV_USE_MONOTONIC |
245 | #ifndef EV_USE_MONOTONIC |
227 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
228 | # define EV_USE_MONOTONIC 1 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
229 | # else |
248 | # else |
230 | # define EV_USE_MONOTONIC 0 |
249 | # define EV_USE_MONOTONIC 0 |
231 | # endif |
250 | # endif |
232 | #endif |
251 | #endif |
233 | |
252 | |
… | |
… | |
235 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
254 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
236 | #endif |
255 | #endif |
237 | |
256 | |
238 | #ifndef EV_USE_NANOSLEEP |
257 | #ifndef EV_USE_NANOSLEEP |
239 | # if _POSIX_C_SOURCE >= 199309L |
258 | # if _POSIX_C_SOURCE >= 199309L |
240 | # define EV_USE_NANOSLEEP 1 |
259 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
241 | # else |
260 | # else |
242 | # define EV_USE_NANOSLEEP 0 |
261 | # define EV_USE_NANOSLEEP 0 |
243 | # endif |
262 | # endif |
244 | #endif |
263 | #endif |
245 | |
264 | |
246 | #ifndef EV_USE_SELECT |
265 | #ifndef EV_USE_SELECT |
247 | # define EV_USE_SELECT 1 |
266 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
248 | #endif |
267 | #endif |
249 | |
268 | |
250 | #ifndef EV_USE_POLL |
269 | #ifndef EV_USE_POLL |
251 | # ifdef _WIN32 |
270 | # ifdef _WIN32 |
252 | # define EV_USE_POLL 0 |
271 | # define EV_USE_POLL 0 |
253 | # else |
272 | # else |
254 | # define EV_USE_POLL 1 |
273 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
255 | # endif |
274 | # endif |
256 | #endif |
275 | #endif |
257 | |
276 | |
258 | #ifndef EV_USE_EPOLL |
277 | #ifndef EV_USE_EPOLL |
259 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
260 | # define EV_USE_EPOLL 1 |
279 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
261 | # else |
280 | # else |
262 | # define EV_USE_EPOLL 0 |
281 | # define EV_USE_EPOLL 0 |
263 | # endif |
282 | # endif |
264 | #endif |
283 | #endif |
265 | |
284 | |
… | |
… | |
271 | # define EV_USE_PORT 0 |
290 | # define EV_USE_PORT 0 |
272 | #endif |
291 | #endif |
273 | |
292 | |
274 | #ifndef EV_USE_INOTIFY |
293 | #ifndef EV_USE_INOTIFY |
275 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
294 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
276 | # define EV_USE_INOTIFY 1 |
295 | # define EV_USE_INOTIFY EV_FEATURE_OS |
277 | # else |
296 | # else |
278 | # define EV_USE_INOTIFY 0 |
297 | # define EV_USE_INOTIFY 0 |
279 | # endif |
298 | # endif |
280 | #endif |
299 | #endif |
281 | |
300 | |
282 | #ifndef EV_PID_HASHSIZE |
301 | #ifndef EV_PID_HASHSIZE |
283 | # if EV_MINIMAL |
302 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
284 | # define EV_PID_HASHSIZE 1 |
|
|
285 | # else |
|
|
286 | # define EV_PID_HASHSIZE 16 |
|
|
287 | # endif |
|
|
288 | #endif |
303 | #endif |
289 | |
304 | |
290 | #ifndef EV_INOTIFY_HASHSIZE |
305 | #ifndef EV_INOTIFY_HASHSIZE |
291 | # if EV_MINIMAL |
306 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
292 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
293 | # else |
|
|
294 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
295 | # endif |
|
|
296 | #endif |
307 | #endif |
297 | |
308 | |
298 | #ifndef EV_USE_EVENTFD |
309 | #ifndef EV_USE_EVENTFD |
299 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
300 | # define EV_USE_EVENTFD 1 |
311 | # define EV_USE_EVENTFD EV_FEATURE_OS |
301 | # else |
312 | # else |
302 | # define EV_USE_EVENTFD 0 |
313 | # define EV_USE_EVENTFD 0 |
303 | # endif |
314 | # endif |
304 | #endif |
315 | #endif |
305 | |
316 | |
306 | #ifndef EV_USE_SIGNALFD |
317 | #ifndef EV_USE_SIGNALFD |
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
318 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
308 | # define EV_USE_SIGNALFD 1 |
319 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
309 | # else |
320 | # else |
310 | # define EV_USE_SIGNALFD 0 |
321 | # define EV_USE_SIGNALFD 0 |
311 | # endif |
322 | # endif |
312 | #endif |
323 | #endif |
313 | |
324 | |
… | |
… | |
316 | # define EV_USE_4HEAP 1 |
327 | # define EV_USE_4HEAP 1 |
317 | # define EV_HEAP_CACHE_AT 1 |
328 | # define EV_HEAP_CACHE_AT 1 |
318 | #endif |
329 | #endif |
319 | |
330 | |
320 | #ifndef EV_VERIFY |
331 | #ifndef EV_VERIFY |
321 | # define EV_VERIFY !EV_MINIMAL |
332 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
322 | #endif |
333 | #endif |
323 | |
334 | |
324 | #ifndef EV_USE_4HEAP |
335 | #ifndef EV_USE_4HEAP |
325 | # define EV_USE_4HEAP !EV_MINIMAL |
336 | # define EV_USE_4HEAP EV_FEATURE_DATA |
326 | #endif |
337 | #endif |
327 | |
338 | |
328 | #ifndef EV_HEAP_CACHE_AT |
339 | #ifndef EV_HEAP_CACHE_AT |
329 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
340 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
330 | #endif |
341 | #endif |
331 | |
342 | |
332 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
343 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
333 | /* which makes programs even slower. might work on other unices, too. */ |
344 | /* which makes programs even slower. might work on other unices, too. */ |
334 | #if EV_USE_CLOCK_SYSCALL |
345 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
343 | # endif |
354 | # endif |
344 | #endif |
355 | #endif |
345 | |
356 | |
346 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
357 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
347 | |
358 | |
|
|
359 | #ifdef _AIX |
|
|
360 | /* AIX has a completely broken poll.h header */ |
|
|
361 | # undef EV_USE_POLL |
|
|
362 | # define EV_USE_POLL 0 |
|
|
363 | #endif |
|
|
364 | |
348 | #ifndef CLOCK_MONOTONIC |
365 | #ifndef CLOCK_MONOTONIC |
349 | # undef EV_USE_MONOTONIC |
366 | # undef EV_USE_MONOTONIC |
350 | # define EV_USE_MONOTONIC 0 |
367 | # define EV_USE_MONOTONIC 0 |
351 | #endif |
368 | #endif |
352 | |
369 | |
… | |
… | |
365 | # include <sys/select.h> |
382 | # include <sys/select.h> |
366 | # endif |
383 | # endif |
367 | #endif |
384 | #endif |
368 | |
385 | |
369 | #if EV_USE_INOTIFY |
386 | #if EV_USE_INOTIFY |
370 | # include <sys/utsname.h> |
|
|
371 | # include <sys/statfs.h> |
387 | # include <sys/statfs.h> |
372 | # include <sys/inotify.h> |
388 | # include <sys/inotify.h> |
373 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
389 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
374 | # ifndef IN_DONT_FOLLOW |
390 | # ifndef IN_DONT_FOLLOW |
375 | # undef EV_USE_INOTIFY |
391 | # undef EV_USE_INOTIFY |
… | |
… | |
392 | # define EFD_CLOEXEC O_CLOEXEC |
408 | # define EFD_CLOEXEC O_CLOEXEC |
393 | # else |
409 | # else |
394 | # define EFD_CLOEXEC 02000000 |
410 | # define EFD_CLOEXEC 02000000 |
395 | # endif |
411 | # endif |
396 | # endif |
412 | # endif |
397 | # ifdef __cplusplus |
413 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
398 | extern "C" { |
414 | #endif |
|
|
415 | |
|
|
416 | #if EV_USE_SIGNALFD |
|
|
417 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
418 | # include <stdint.h> |
|
|
419 | # ifndef SFD_NONBLOCK |
|
|
420 | # define SFD_NONBLOCK O_NONBLOCK |
399 | # endif |
421 | # endif |
400 | int eventfd (unsigned int initval, int flags); |
422 | # ifndef SFD_CLOEXEC |
401 | # ifdef __cplusplus |
423 | # ifdef O_CLOEXEC |
402 | } |
424 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
425 | # else |
|
|
426 | # define SFD_CLOEXEC 02000000 |
|
|
427 | # endif |
403 | # endif |
428 | # endif |
404 | #endif |
429 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
405 | |
430 | |
406 | #if EV_USE_SIGNALFD |
431 | struct signalfd_siginfo |
407 | # include <sys/signalfd.h> |
432 | { |
|
|
433 | uint32_t ssi_signo; |
|
|
434 | char pad[128 - sizeof (uint32_t)]; |
|
|
435 | }; |
408 | #endif |
436 | #endif |
409 | |
437 | |
410 | /**/ |
438 | /**/ |
411 | |
439 | |
412 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
413 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
414 | #else |
442 | #else |
415 | # define EV_FREQUENT_CHECK do { } while (0) |
443 | # define EV_FREQUENT_CHECK do { } while (0) |
416 | #endif |
444 | #endif |
417 | |
445 | |
418 | /* |
446 | /* |
… | |
… | |
425 | */ |
453 | */ |
426 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
427 | |
455 | |
428 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
456 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
429 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
457 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
430 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
458 | |
|
|
459 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
460 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
431 | |
461 | |
432 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
433 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
434 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
435 | #else |
465 | #else |
… | |
… | |
442 | |
472 | |
443 | #define expect_false(expr) expect ((expr) != 0, 0) |
473 | #define expect_false(expr) expect ((expr) != 0, 0) |
444 | #define expect_true(expr) expect ((expr) != 0, 1) |
474 | #define expect_true(expr) expect ((expr) != 0, 1) |
445 | #define inline_size static inline |
475 | #define inline_size static inline |
446 | |
476 | |
447 | #if EV_MINIMAL |
477 | #if EV_FEATURE_CODE |
|
|
478 | # define inline_speed static inline |
|
|
479 | #else |
448 | # define inline_speed static noinline |
480 | # define inline_speed static noinline |
449 | #else |
|
|
450 | # define inline_speed static inline |
|
|
451 | #endif |
481 | #endif |
452 | |
482 | |
453 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
483 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
454 | |
484 | |
455 | #if EV_MINPRI == EV_MAXPRI |
485 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
468 | #define ev_active(w) ((W)(w))->active |
498 | #define ev_active(w) ((W)(w))->active |
469 | #define ev_at(w) ((WT)(w))->at |
499 | #define ev_at(w) ((WT)(w))->at |
470 | |
500 | |
471 | #if EV_USE_REALTIME |
501 | #if EV_USE_REALTIME |
472 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
502 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
473 | /* giving it a reasonably high chance of working on typical architetcures */ |
503 | /* giving it a reasonably high chance of working on typical architectures */ |
474 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
504 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
475 | #endif |
505 | #endif |
476 | |
506 | |
477 | #if EV_USE_MONOTONIC |
507 | #if EV_USE_MONOTONIC |
478 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
508 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
479 | #endif |
509 | #endif |
480 | |
510 | |
|
|
511 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
512 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
513 | #endif |
|
|
514 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
515 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
516 | #endif |
|
|
517 | #ifndef EV_WIN32_CLOSE_FD |
|
|
518 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
|
|
519 | #endif |
|
|
520 | |
481 | #ifdef _WIN32 |
521 | #ifdef _WIN32 |
482 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
483 | #endif |
523 | #endif |
484 | |
524 | |
485 | /*****************************************************************************/ |
525 | /*****************************************************************************/ |
|
|
526 | |
|
|
527 | #ifdef __linux |
|
|
528 | # include <sys/utsname.h> |
|
|
529 | #endif |
|
|
530 | |
|
|
531 | static unsigned int noinline |
|
|
532 | ev_linux_version (void) |
|
|
533 | { |
|
|
534 | #ifdef __linux |
|
|
535 | unsigned int v = 0; |
|
|
536 | struct utsname buf; |
|
|
537 | int i; |
|
|
538 | char *p = buf.release; |
|
|
539 | |
|
|
540 | if (uname (&buf)) |
|
|
541 | return 0; |
|
|
542 | |
|
|
543 | for (i = 3+1; --i; ) |
|
|
544 | { |
|
|
545 | unsigned int c = 0; |
|
|
546 | |
|
|
547 | for (;;) |
|
|
548 | { |
|
|
549 | if (*p >= '0' && *p <= '9') |
|
|
550 | c = c * 10 + *p++ - '0'; |
|
|
551 | else |
|
|
552 | { |
|
|
553 | p += *p == '.'; |
|
|
554 | break; |
|
|
555 | } |
|
|
556 | } |
|
|
557 | |
|
|
558 | v = (v << 8) | c; |
|
|
559 | } |
|
|
560 | |
|
|
561 | return v; |
|
|
562 | #else |
|
|
563 | return 0; |
|
|
564 | #endif |
|
|
565 | } |
|
|
566 | |
|
|
567 | /*****************************************************************************/ |
|
|
568 | |
|
|
569 | #if EV_AVOID_STDIO |
|
|
570 | static void noinline |
|
|
571 | ev_printerr (const char *msg) |
|
|
572 | { |
|
|
573 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
574 | } |
|
|
575 | #endif |
486 | |
576 | |
487 | static void (*syserr_cb)(const char *msg); |
577 | static void (*syserr_cb)(const char *msg); |
488 | |
578 | |
489 | void |
579 | void |
490 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
580 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
500 | |
590 | |
501 | if (syserr_cb) |
591 | if (syserr_cb) |
502 | syserr_cb (msg); |
592 | syserr_cb (msg); |
503 | else |
593 | else |
504 | { |
594 | { |
|
|
595 | #if EV_AVOID_STDIO |
|
|
596 | const char *err = strerror (errno); |
|
|
597 | |
|
|
598 | ev_printerr (msg); |
|
|
599 | ev_printerr (": "); |
|
|
600 | ev_printerr (err); |
|
|
601 | ev_printerr ("\n"); |
|
|
602 | #else |
505 | perror (msg); |
603 | perror (msg); |
|
|
604 | #endif |
506 | abort (); |
605 | abort (); |
507 | } |
606 | } |
508 | } |
607 | } |
509 | |
608 | |
510 | static void * |
609 | static void * |
511 | ev_realloc_emul (void *ptr, long size) |
610 | ev_realloc_emul (void *ptr, long size) |
512 | { |
611 | { |
|
|
612 | #if __GLIBC__ |
|
|
613 | return realloc (ptr, size); |
|
|
614 | #else |
513 | /* some systems, notably openbsd and darwin, fail to properly |
615 | /* some systems, notably openbsd and darwin, fail to properly |
514 | * implement realloc (x, 0) (as required by both ansi c-98 and |
616 | * implement realloc (x, 0) (as required by both ansi c-89 and |
515 | * the single unix specification, so work around them here. |
617 | * the single unix specification, so work around them here. |
516 | */ |
618 | */ |
517 | |
619 | |
518 | if (size) |
620 | if (size) |
519 | return realloc (ptr, size); |
621 | return realloc (ptr, size); |
520 | |
622 | |
521 | free (ptr); |
623 | free (ptr); |
522 | return 0; |
624 | return 0; |
|
|
625 | #endif |
523 | } |
626 | } |
524 | |
627 | |
525 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
628 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
526 | |
629 | |
527 | void |
630 | void |
… | |
… | |
535 | { |
638 | { |
536 | ptr = alloc (ptr, size); |
639 | ptr = alloc (ptr, size); |
537 | |
640 | |
538 | if (!ptr && size) |
641 | if (!ptr && size) |
539 | { |
642 | { |
|
|
643 | #if EV_AVOID_STDIO |
|
|
644 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
|
|
645 | #else |
540 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
646 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
647 | #endif |
541 | abort (); |
648 | abort (); |
542 | } |
649 | } |
543 | |
650 | |
544 | return ptr; |
651 | return ptr; |
545 | } |
652 | } |
… | |
… | |
561 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
668 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
562 | unsigned char unused; |
669 | unsigned char unused; |
563 | #if EV_USE_EPOLL |
670 | #if EV_USE_EPOLL |
564 | unsigned int egen; /* generation counter to counter epoll bugs */ |
671 | unsigned int egen; /* generation counter to counter epoll bugs */ |
565 | #endif |
672 | #endif |
566 | #if EV_SELECT_IS_WINSOCKET |
673 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
567 | SOCKET handle; |
674 | SOCKET handle; |
|
|
675 | #endif |
|
|
676 | #if EV_USE_IOCP |
|
|
677 | OVERLAPPED or, ow; |
568 | #endif |
678 | #endif |
569 | } ANFD; |
679 | } ANFD; |
570 | |
680 | |
571 | /* stores the pending event set for a given watcher */ |
681 | /* stores the pending event set for a given watcher */ |
572 | typedef struct |
682 | typedef struct |
… | |
… | |
627 | |
737 | |
628 | static int ev_default_loop_ptr; |
738 | static int ev_default_loop_ptr; |
629 | |
739 | |
630 | #endif |
740 | #endif |
631 | |
741 | |
632 | #if EV_MINIMAL < 2 |
742 | #if EV_FEATURE_API |
633 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
743 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
634 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
744 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
635 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
745 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
636 | #else |
746 | #else |
637 | # define EV_RELEASE_CB (void)0 |
747 | # define EV_RELEASE_CB (void)0 |
638 | # define EV_ACQUIRE_CB (void)0 |
748 | # define EV_ACQUIRE_CB (void)0 |
639 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
749 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
640 | #endif |
750 | #endif |
641 | |
751 | |
642 | #define EVUNLOOP_RECURSE 0x80 |
752 | #define EVBREAK_RECURSE 0x80 |
643 | |
753 | |
644 | /*****************************************************************************/ |
754 | /*****************************************************************************/ |
645 | |
755 | |
646 | #ifndef EV_HAVE_EV_TIME |
756 | #ifndef EV_HAVE_EV_TIME |
647 | ev_tstamp |
757 | ev_tstamp |
… | |
… | |
691 | if (delay > 0.) |
801 | if (delay > 0.) |
692 | { |
802 | { |
693 | #if EV_USE_NANOSLEEP |
803 | #if EV_USE_NANOSLEEP |
694 | struct timespec ts; |
804 | struct timespec ts; |
695 | |
805 | |
696 | ts.tv_sec = (time_t)delay; |
806 | EV_TS_SET (ts, delay); |
697 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
698 | |
|
|
699 | nanosleep (&ts, 0); |
807 | nanosleep (&ts, 0); |
700 | #elif defined(_WIN32) |
808 | #elif defined(_WIN32) |
701 | Sleep ((unsigned long)(delay * 1e3)); |
809 | Sleep ((unsigned long)(delay * 1e3)); |
702 | #else |
810 | #else |
703 | struct timeval tv; |
811 | struct timeval tv; |
704 | |
812 | |
705 | tv.tv_sec = (time_t)delay; |
|
|
706 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
707 | |
|
|
708 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
813 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
709 | /* something not guaranteed by newer posix versions, but guaranteed */ |
814 | /* something not guaranteed by newer posix versions, but guaranteed */ |
710 | /* by older ones */ |
815 | /* by older ones */ |
|
|
816 | EV_TV_SET (tv, delay); |
711 | select (0, 0, 0, 0, &tv); |
817 | select (0, 0, 0, 0, &tv); |
712 | #endif |
818 | #endif |
713 | } |
819 | } |
714 | } |
820 | } |
715 | |
821 | |
716 | /*****************************************************************************/ |
822 | /*****************************************************************************/ |
717 | |
823 | |
718 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
824 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
719 | |
825 | |
720 | /* find a suitable new size for the given array, */ |
826 | /* find a suitable new size for the given array, */ |
721 | /* hopefully by rounding to a ncie-to-malloc size */ |
827 | /* hopefully by rounding to a nice-to-malloc size */ |
722 | inline_size int |
828 | inline_size int |
723 | array_nextsize (int elem, int cur, int cnt) |
829 | array_nextsize (int elem, int cur, int cnt) |
724 | { |
830 | { |
725 | int ncur = cur + 1; |
831 | int ncur = cur + 1; |
726 | |
832 | |
… | |
… | |
822 | } |
928 | } |
823 | |
929 | |
824 | /*****************************************************************************/ |
930 | /*****************************************************************************/ |
825 | |
931 | |
826 | inline_speed void |
932 | inline_speed void |
827 | fd_event_nc (EV_P_ int fd, int revents) |
933 | fd_event_nocheck (EV_P_ int fd, int revents) |
828 | { |
934 | { |
829 | ANFD *anfd = anfds + fd; |
935 | ANFD *anfd = anfds + fd; |
830 | ev_io *w; |
936 | ev_io *w; |
831 | |
937 | |
832 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
938 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
844 | fd_event (EV_P_ int fd, int revents) |
950 | fd_event (EV_P_ int fd, int revents) |
845 | { |
951 | { |
846 | ANFD *anfd = anfds + fd; |
952 | ANFD *anfd = anfds + fd; |
847 | |
953 | |
848 | if (expect_true (!anfd->reify)) |
954 | if (expect_true (!anfd->reify)) |
849 | fd_event_nc (EV_A_ fd, revents); |
955 | fd_event_nocheck (EV_A_ fd, revents); |
850 | } |
956 | } |
851 | |
957 | |
852 | void |
958 | void |
853 | ev_feed_fd_event (EV_P_ int fd, int revents) |
959 | ev_feed_fd_event (EV_P_ int fd, int revents) |
854 | { |
960 | { |
855 | if (fd >= 0 && fd < anfdmax) |
961 | if (fd >= 0 && fd < anfdmax) |
856 | fd_event_nc (EV_A_ fd, revents); |
962 | fd_event_nocheck (EV_A_ fd, revents); |
857 | } |
963 | } |
858 | |
964 | |
859 | /* make sure the external fd watch events are in-sync */ |
965 | /* make sure the external fd watch events are in-sync */ |
860 | /* with the kernel/libev internal state */ |
966 | /* with the kernel/libev internal state */ |
861 | inline_size void |
967 | inline_size void |
… | |
… | |
867 | { |
973 | { |
868 | int fd = fdchanges [i]; |
974 | int fd = fdchanges [i]; |
869 | ANFD *anfd = anfds + fd; |
975 | ANFD *anfd = anfds + fd; |
870 | ev_io *w; |
976 | ev_io *w; |
871 | |
977 | |
872 | unsigned char events = 0; |
978 | unsigned char o_events = anfd->events; |
|
|
979 | unsigned char o_reify = anfd->reify; |
873 | |
980 | |
874 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
981 | anfd->reify = 0; |
875 | events |= (unsigned char)w->events; |
|
|
876 | |
982 | |
877 | #if EV_SELECT_IS_WINSOCKET |
983 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
878 | if (events) |
984 | if (o_reify & EV__IOFDSET) |
879 | { |
985 | { |
880 | unsigned long arg; |
986 | unsigned long arg; |
881 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
882 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
987 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
883 | #else |
|
|
884 | anfd->handle = _get_osfhandle (fd); |
|
|
885 | #endif |
|
|
886 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
988 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
989 | printf ("oi %d %x\n", fd, anfd->handle);//D |
887 | } |
990 | } |
888 | #endif |
991 | #endif |
889 | |
992 | |
|
|
993 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
890 | { |
994 | { |
891 | unsigned char o_events = anfd->events; |
|
|
892 | unsigned char o_reify = anfd->reify; |
|
|
893 | |
|
|
894 | anfd->reify = 0; |
|
|
895 | anfd->events = events; |
995 | anfd->events = 0; |
896 | |
996 | |
897 | if (o_events != events || o_reify & EV__IOFDSET) |
997 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
998 | anfd->events |= (unsigned char)w->events; |
|
|
999 | |
|
|
1000 | if (o_events != anfd->events) |
|
|
1001 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
1002 | } |
|
|
1003 | |
|
|
1004 | if (o_reify & EV__IOFDSET) |
898 | backend_modify (EV_A_ fd, o_events, events); |
1005 | backend_modify (EV_A_ fd, o_events, anfd->events); |
899 | } |
|
|
900 | } |
1006 | } |
901 | |
1007 | |
902 | fdchangecnt = 0; |
1008 | fdchangecnt = 0; |
903 | } |
1009 | } |
904 | |
1010 | |
… | |
… | |
928 | ev_io_stop (EV_A_ w); |
1034 | ev_io_stop (EV_A_ w); |
929 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1035 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
930 | } |
1036 | } |
931 | } |
1037 | } |
932 | |
1038 | |
933 | /* check whether the given fd is atcually valid, for error recovery */ |
1039 | /* check whether the given fd is actually valid, for error recovery */ |
934 | inline_size int |
1040 | inline_size int |
935 | fd_valid (int fd) |
1041 | fd_valid (int fd) |
936 | { |
1042 | { |
937 | #ifdef _WIN32 |
1043 | #ifdef _WIN32 |
938 | return _get_osfhandle (fd) != -1; |
1044 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
939 | #else |
1045 | #else |
940 | return fcntl (fd, F_GETFD) != -1; |
1046 | return fcntl (fd, F_GETFD) != -1; |
941 | #endif |
1047 | #endif |
942 | } |
1048 | } |
943 | |
1049 | |
… | |
… | |
980 | anfds [fd].emask = 0; |
1086 | anfds [fd].emask = 0; |
981 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1087 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
982 | } |
1088 | } |
983 | } |
1089 | } |
984 | |
1090 | |
|
|
1091 | /* used to prepare libev internal fd's */ |
|
|
1092 | /* this is not fork-safe */ |
|
|
1093 | inline_speed void |
|
|
1094 | fd_intern (int fd) |
|
|
1095 | { |
|
|
1096 | #ifdef _WIN32 |
|
|
1097 | unsigned long arg = 1; |
|
|
1098 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1099 | #else |
|
|
1100 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1101 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1102 | #endif |
|
|
1103 | } |
|
|
1104 | |
985 | /*****************************************************************************/ |
1105 | /*****************************************************************************/ |
986 | |
1106 | |
987 | /* |
1107 | /* |
988 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1108 | * the heap functions want a real array index. array index 0 is guaranteed to not |
989 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1109 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
990 | * the branching factor of the d-tree. |
1110 | * the branching factor of the d-tree. |
991 | */ |
1111 | */ |
992 | |
1112 | |
993 | /* |
1113 | /* |
… | |
… | |
1141 | |
1261 | |
1142 | static ANSIG signals [EV_NSIG - 1]; |
1262 | static ANSIG signals [EV_NSIG - 1]; |
1143 | |
1263 | |
1144 | /*****************************************************************************/ |
1264 | /*****************************************************************************/ |
1145 | |
1265 | |
1146 | /* used to prepare libev internal fd's */ |
1266 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1147 | /* this is not fork-safe */ |
|
|
1148 | inline_speed void |
|
|
1149 | fd_intern (int fd) |
|
|
1150 | { |
|
|
1151 | #ifdef _WIN32 |
|
|
1152 | unsigned long arg = 1; |
|
|
1153 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1154 | #else |
|
|
1155 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1156 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1157 | #endif |
|
|
1158 | } |
|
|
1159 | |
1267 | |
1160 | static void noinline |
1268 | static void noinline |
1161 | evpipe_init (EV_P) |
1269 | evpipe_init (EV_P) |
1162 | { |
1270 | { |
1163 | if (!ev_is_active (&pipe_w)) |
1271 | if (!ev_is_active (&pipe_w)) |
1164 | { |
1272 | { |
1165 | #if EV_USE_EVENTFD |
1273 | # if EV_USE_EVENTFD |
1166 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1274 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1167 | if (evfd < 0 && errno == EINVAL) |
1275 | if (evfd < 0 && errno == EINVAL) |
1168 | evfd = eventfd (0, 0); |
1276 | evfd = eventfd (0, 0); |
1169 | |
1277 | |
1170 | if (evfd >= 0) |
1278 | if (evfd >= 0) |
… | |
… | |
1172 | evpipe [0] = -1; |
1280 | evpipe [0] = -1; |
1173 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1281 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1174 | ev_io_set (&pipe_w, evfd, EV_READ); |
1282 | ev_io_set (&pipe_w, evfd, EV_READ); |
1175 | } |
1283 | } |
1176 | else |
1284 | else |
1177 | #endif |
1285 | # endif |
1178 | { |
1286 | { |
1179 | while (pipe (evpipe)) |
1287 | while (pipe (evpipe)) |
1180 | ev_syserr ("(libev) error creating signal/async pipe"); |
1288 | ev_syserr ("(libev) error creating signal/async pipe"); |
1181 | |
1289 | |
1182 | fd_intern (evpipe [0]); |
1290 | fd_intern (evpipe [0]); |
… | |
… | |
1193 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1301 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1194 | { |
1302 | { |
1195 | if (!*flag) |
1303 | if (!*flag) |
1196 | { |
1304 | { |
1197 | int old_errno = errno; /* save errno because write might clobber it */ |
1305 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1306 | char dummy; |
1198 | |
1307 | |
1199 | *flag = 1; |
1308 | *flag = 1; |
1200 | |
1309 | |
1201 | #if EV_USE_EVENTFD |
1310 | #if EV_USE_EVENTFD |
1202 | if (evfd >= 0) |
1311 | if (evfd >= 0) |
… | |
… | |
1204 | uint64_t counter = 1; |
1313 | uint64_t counter = 1; |
1205 | write (evfd, &counter, sizeof (uint64_t)); |
1314 | write (evfd, &counter, sizeof (uint64_t)); |
1206 | } |
1315 | } |
1207 | else |
1316 | else |
1208 | #endif |
1317 | #endif |
|
|
1318 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1319 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1320 | /* so when you think this write should be a send instead, please find out */ |
|
|
1321 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1322 | /* tell me. thank you. */ |
1209 | write (evpipe [1], &old_errno, 1); |
1323 | write (evpipe [1], &dummy, 1); |
1210 | |
1324 | |
1211 | errno = old_errno; |
1325 | errno = old_errno; |
1212 | } |
1326 | } |
1213 | } |
1327 | } |
1214 | |
1328 | |
… | |
… | |
1227 | } |
1341 | } |
1228 | else |
1342 | else |
1229 | #endif |
1343 | #endif |
1230 | { |
1344 | { |
1231 | char dummy; |
1345 | char dummy; |
|
|
1346 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1232 | read (evpipe [0], &dummy, 1); |
1347 | read (evpipe [0], &dummy, 1); |
1233 | } |
1348 | } |
1234 | |
1349 | |
1235 | if (sig_pending) |
1350 | if (sig_pending) |
1236 | { |
1351 | { |
… | |
… | |
1263 | { |
1378 | { |
1264 | #if EV_MULTIPLICITY |
1379 | #if EV_MULTIPLICITY |
1265 | EV_P = signals [signum - 1].loop; |
1380 | EV_P = signals [signum - 1].loop; |
1266 | #endif |
1381 | #endif |
1267 | |
1382 | |
1268 | #if _WIN32 |
1383 | #ifdef _WIN32 |
1269 | signal (signum, ev_sighandler); |
1384 | signal (signum, ev_sighandler); |
1270 | #endif |
1385 | #endif |
1271 | |
1386 | |
1272 | signals [signum - 1].pending = 1; |
1387 | signals [signum - 1].pending = 1; |
1273 | evpipe_write (EV_A_ &sig_pending); |
1388 | evpipe_write (EV_A_ &sig_pending); |
… | |
… | |
1315 | break; |
1430 | break; |
1316 | } |
1431 | } |
1317 | } |
1432 | } |
1318 | #endif |
1433 | #endif |
1319 | |
1434 | |
|
|
1435 | #endif |
|
|
1436 | |
1320 | /*****************************************************************************/ |
1437 | /*****************************************************************************/ |
1321 | |
1438 | |
|
|
1439 | #if EV_CHILD_ENABLE |
1322 | static WL childs [EV_PID_HASHSIZE]; |
1440 | static WL childs [EV_PID_HASHSIZE]; |
1323 | |
|
|
1324 | #ifndef _WIN32 |
|
|
1325 | |
1441 | |
1326 | static ev_signal childev; |
1442 | static ev_signal childev; |
1327 | |
1443 | |
1328 | #ifndef WIFCONTINUED |
1444 | #ifndef WIFCONTINUED |
1329 | # define WIFCONTINUED(status) 0 |
1445 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1334 | child_reap (EV_P_ int chain, int pid, int status) |
1450 | child_reap (EV_P_ int chain, int pid, int status) |
1335 | { |
1451 | { |
1336 | ev_child *w; |
1452 | ev_child *w; |
1337 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1453 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1338 | |
1454 | |
1339 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1455 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1340 | { |
1456 | { |
1341 | if ((w->pid == pid || !w->pid) |
1457 | if ((w->pid == pid || !w->pid) |
1342 | && (!traced || (w->flags & 1))) |
1458 | && (!traced || (w->flags & 1))) |
1343 | { |
1459 | { |
1344 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1460 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1369 | /* make sure we are called again until all children have been reaped */ |
1485 | /* make sure we are called again until all children have been reaped */ |
1370 | /* we need to do it this way so that the callback gets called before we continue */ |
1486 | /* we need to do it this way so that the callback gets called before we continue */ |
1371 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1487 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1372 | |
1488 | |
1373 | child_reap (EV_A_ pid, pid, status); |
1489 | child_reap (EV_A_ pid, pid, status); |
1374 | if (EV_PID_HASHSIZE > 1) |
1490 | if ((EV_PID_HASHSIZE) > 1) |
1375 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1491 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1376 | } |
1492 | } |
1377 | |
1493 | |
1378 | #endif |
1494 | #endif |
1379 | |
1495 | |
1380 | /*****************************************************************************/ |
1496 | /*****************************************************************************/ |
1381 | |
1497 | |
|
|
1498 | #if EV_USE_IOCP |
|
|
1499 | # include "ev_iocp.c" |
|
|
1500 | #endif |
1382 | #if EV_USE_PORT |
1501 | #if EV_USE_PORT |
1383 | # include "ev_port.c" |
1502 | # include "ev_port.c" |
1384 | #endif |
1503 | #endif |
1385 | #if EV_USE_KQUEUE |
1504 | #if EV_USE_KQUEUE |
1386 | # include "ev_kqueue.c" |
1505 | # include "ev_kqueue.c" |
… | |
… | |
1446 | #ifdef __APPLE__ |
1565 | #ifdef __APPLE__ |
1447 | /* only select works correctly on that "unix-certified" platform */ |
1566 | /* only select works correctly on that "unix-certified" platform */ |
1448 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1567 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1449 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1568 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1450 | #endif |
1569 | #endif |
|
|
1570 | #ifdef __FreeBSD__ |
|
|
1571 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1572 | #endif |
1451 | |
1573 | |
1452 | return flags; |
1574 | return flags; |
1453 | } |
1575 | } |
1454 | |
1576 | |
1455 | unsigned int |
1577 | unsigned int |
1456 | ev_embeddable_backends (void) |
1578 | ev_embeddable_backends (void) |
1457 | { |
1579 | { |
1458 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1580 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1459 | |
1581 | |
1460 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1582 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1461 | /* please fix it and tell me how to detect the fix */ |
1583 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1462 | flags &= ~EVBACKEND_EPOLL; |
1584 | flags &= ~EVBACKEND_EPOLL; |
1463 | |
1585 | |
1464 | return flags; |
1586 | return flags; |
1465 | } |
1587 | } |
1466 | |
1588 | |
1467 | unsigned int |
1589 | unsigned int |
1468 | ev_backend (EV_P) |
1590 | ev_backend (EV_P) |
1469 | { |
1591 | { |
1470 | return backend; |
1592 | return backend; |
1471 | } |
1593 | } |
1472 | |
1594 | |
1473 | #if EV_MINIMAL < 2 |
1595 | #if EV_FEATURE_API |
1474 | unsigned int |
1596 | unsigned int |
1475 | ev_loop_count (EV_P) |
1597 | ev_iteration (EV_P) |
1476 | { |
1598 | { |
1477 | return loop_count; |
1599 | return loop_count; |
1478 | } |
1600 | } |
1479 | |
1601 | |
1480 | unsigned int |
1602 | unsigned int |
1481 | ev_loop_depth (EV_P) |
1603 | ev_depth (EV_P) |
1482 | { |
1604 | { |
1483 | return loop_depth; |
1605 | return loop_depth; |
1484 | } |
1606 | } |
1485 | |
1607 | |
1486 | void |
1608 | void |
… | |
… | |
1558 | |
1680 | |
1559 | ev_rt_now = ev_time (); |
1681 | ev_rt_now = ev_time (); |
1560 | mn_now = get_clock (); |
1682 | mn_now = get_clock (); |
1561 | now_floor = mn_now; |
1683 | now_floor = mn_now; |
1562 | rtmn_diff = ev_rt_now - mn_now; |
1684 | rtmn_diff = ev_rt_now - mn_now; |
1563 | #if EV_MINIMAL < 2 |
1685 | #if EV_FEATURE_API |
1564 | invoke_cb = ev_invoke_pending; |
1686 | invoke_cb = ev_invoke_pending; |
1565 | #endif |
1687 | #endif |
1566 | |
1688 | |
1567 | io_blocktime = 0.; |
1689 | io_blocktime = 0.; |
1568 | timeout_blocktime = 0.; |
1690 | timeout_blocktime = 0.; |
… | |
… | |
1574 | #endif |
1696 | #endif |
1575 | #if EV_USE_INOTIFY |
1697 | #if EV_USE_INOTIFY |
1576 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1698 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1577 | #endif |
1699 | #endif |
1578 | #if EV_USE_SIGNALFD |
1700 | #if EV_USE_SIGNALFD |
1579 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1701 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1580 | #endif |
1702 | #endif |
1581 | |
1703 | |
1582 | if (!(flags & 0x0000ffffU)) |
1704 | if (!(flags & 0x0000ffffU)) |
1583 | flags |= ev_recommended_backends (); |
1705 | flags |= ev_recommended_backends (); |
1584 | |
1706 | |
|
|
1707 | #if EV_USE_IOCP |
|
|
1708 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1709 | #endif |
1585 | #if EV_USE_PORT |
1710 | #if EV_USE_PORT |
1586 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1711 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1587 | #endif |
1712 | #endif |
1588 | #if EV_USE_KQUEUE |
1713 | #if EV_USE_KQUEUE |
1589 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1714 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1598 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1723 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1599 | #endif |
1724 | #endif |
1600 | |
1725 | |
1601 | ev_prepare_init (&pending_w, pendingcb); |
1726 | ev_prepare_init (&pending_w, pendingcb); |
1602 | |
1727 | |
|
|
1728 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1603 | ev_init (&pipe_w, pipecb); |
1729 | ev_init (&pipe_w, pipecb); |
1604 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1730 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1731 | #endif |
1605 | } |
1732 | } |
1606 | } |
1733 | } |
1607 | |
1734 | |
1608 | /* free up a loop structure */ |
1735 | /* free up a loop structure */ |
1609 | static void noinline |
1736 | void |
1610 | loop_destroy (EV_P) |
1737 | ev_loop_destroy (EV_P) |
1611 | { |
1738 | { |
1612 | int i; |
1739 | int i; |
|
|
1740 | |
|
|
1741 | #if EV_CLEANUP_ENABLE |
|
|
1742 | /* queue cleanup watchers (and execute them) */ |
|
|
1743 | if (expect_false (cleanupcnt)) |
|
|
1744 | { |
|
|
1745 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1746 | EV_INVOKE_PENDING; |
|
|
1747 | } |
|
|
1748 | #endif |
|
|
1749 | |
|
|
1750 | #if EV_CHILD_ENABLE |
|
|
1751 | if (ev_is_active (&childev)) |
|
|
1752 | { |
|
|
1753 | ev_ref (EV_A); /* child watcher */ |
|
|
1754 | ev_signal_stop (EV_A_ &childev); |
|
|
1755 | } |
|
|
1756 | #endif |
1613 | |
1757 | |
1614 | if (ev_is_active (&pipe_w)) |
1758 | if (ev_is_active (&pipe_w)) |
1615 | { |
1759 | { |
1616 | /*ev_ref (EV_A);*/ |
1760 | /*ev_ref (EV_A);*/ |
1617 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1761 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1621 | close (evfd); |
1765 | close (evfd); |
1622 | #endif |
1766 | #endif |
1623 | |
1767 | |
1624 | if (evpipe [0] >= 0) |
1768 | if (evpipe [0] >= 0) |
1625 | { |
1769 | { |
1626 | close (evpipe [0]); |
1770 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1627 | close (evpipe [1]); |
1771 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1628 | } |
1772 | } |
1629 | } |
1773 | } |
1630 | |
1774 | |
1631 | #if EV_USE_SIGNALFD |
1775 | #if EV_USE_SIGNALFD |
1632 | if (ev_is_active (&sigfd_w)) |
1776 | if (ev_is_active (&sigfd_w)) |
1633 | { |
|
|
1634 | /*ev_ref (EV_A);*/ |
|
|
1635 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1636 | |
|
|
1637 | close (sigfd); |
1777 | close (sigfd); |
1638 | } |
|
|
1639 | #endif |
1778 | #endif |
1640 | |
1779 | |
1641 | #if EV_USE_INOTIFY |
1780 | #if EV_USE_INOTIFY |
1642 | if (fs_fd >= 0) |
1781 | if (fs_fd >= 0) |
1643 | close (fs_fd); |
1782 | close (fs_fd); |
1644 | #endif |
1783 | #endif |
1645 | |
1784 | |
1646 | if (backend_fd >= 0) |
1785 | if (backend_fd >= 0) |
1647 | close (backend_fd); |
1786 | close (backend_fd); |
1648 | |
1787 | |
|
|
1788 | #if EV_USE_IOCP |
|
|
1789 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1790 | #endif |
1649 | #if EV_USE_PORT |
1791 | #if EV_USE_PORT |
1650 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1792 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1651 | #endif |
1793 | #endif |
1652 | #if EV_USE_KQUEUE |
1794 | #if EV_USE_KQUEUE |
1653 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1795 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1680 | array_free (periodic, EMPTY); |
1822 | array_free (periodic, EMPTY); |
1681 | #endif |
1823 | #endif |
1682 | #if EV_FORK_ENABLE |
1824 | #if EV_FORK_ENABLE |
1683 | array_free (fork, EMPTY); |
1825 | array_free (fork, EMPTY); |
1684 | #endif |
1826 | #endif |
|
|
1827 | #if EV_CLEANUP_ENABLE |
|
|
1828 | array_free (cleanup, EMPTY); |
|
|
1829 | #endif |
1685 | array_free (prepare, EMPTY); |
1830 | array_free (prepare, EMPTY); |
1686 | array_free (check, EMPTY); |
1831 | array_free (check, EMPTY); |
1687 | #if EV_ASYNC_ENABLE |
1832 | #if EV_ASYNC_ENABLE |
1688 | array_free (async, EMPTY); |
1833 | array_free (async, EMPTY); |
1689 | #endif |
1834 | #endif |
1690 | |
1835 | |
1691 | backend = 0; |
1836 | backend = 0; |
|
|
1837 | |
|
|
1838 | #if EV_MULTIPLICITY |
|
|
1839 | if (ev_is_default_loop (EV_A)) |
|
|
1840 | #endif |
|
|
1841 | ev_default_loop_ptr = 0; |
|
|
1842 | #if EV_MULTIPLICITY |
|
|
1843 | else |
|
|
1844 | ev_free (EV_A); |
|
|
1845 | #endif |
1692 | } |
1846 | } |
1693 | |
1847 | |
1694 | #if EV_USE_INOTIFY |
1848 | #if EV_USE_INOTIFY |
1695 | inline_size void infy_fork (EV_P); |
1849 | inline_size void infy_fork (EV_P); |
1696 | #endif |
1850 | #endif |
… | |
… | |
1728 | close (evfd); |
1882 | close (evfd); |
1729 | #endif |
1883 | #endif |
1730 | |
1884 | |
1731 | if (evpipe [0] >= 0) |
1885 | if (evpipe [0] >= 0) |
1732 | { |
1886 | { |
1733 | close (evpipe [0]); |
1887 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1734 | close (evpipe [1]); |
1888 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1735 | } |
1889 | } |
1736 | |
1890 | |
|
|
1891 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1737 | evpipe_init (EV_A); |
1892 | evpipe_init (EV_A); |
1738 | /* now iterate over everything, in case we missed something */ |
1893 | /* now iterate over everything, in case we missed something */ |
1739 | pipecb (EV_A_ &pipe_w, EV_READ); |
1894 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1895 | #endif |
1740 | } |
1896 | } |
1741 | |
1897 | |
1742 | postfork = 0; |
1898 | postfork = 0; |
1743 | } |
1899 | } |
1744 | |
1900 | |
… | |
… | |
1753 | loop_init (EV_A_ flags); |
1909 | loop_init (EV_A_ flags); |
1754 | |
1910 | |
1755 | if (ev_backend (EV_A)) |
1911 | if (ev_backend (EV_A)) |
1756 | return EV_A; |
1912 | return EV_A; |
1757 | |
1913 | |
|
|
1914 | ev_free (EV_A); |
1758 | return 0; |
1915 | return 0; |
1759 | } |
1916 | } |
1760 | |
1917 | |
1761 | void |
|
|
1762 | ev_loop_destroy (EV_P) |
|
|
1763 | { |
|
|
1764 | loop_destroy (EV_A); |
|
|
1765 | ev_free (loop); |
|
|
1766 | } |
|
|
1767 | |
|
|
1768 | void |
|
|
1769 | ev_loop_fork (EV_P) |
|
|
1770 | { |
|
|
1771 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1772 | } |
|
|
1773 | #endif /* multiplicity */ |
1918 | #endif /* multiplicity */ |
1774 | |
1919 | |
1775 | #if EV_VERIFY |
1920 | #if EV_VERIFY |
1776 | static void noinline |
1921 | static void noinline |
1777 | verify_watcher (EV_P_ W w) |
1922 | verify_watcher (EV_P_ W w) |
… | |
… | |
1806 | verify_watcher (EV_A_ ws [cnt]); |
1951 | verify_watcher (EV_A_ ws [cnt]); |
1807 | } |
1952 | } |
1808 | } |
1953 | } |
1809 | #endif |
1954 | #endif |
1810 | |
1955 | |
1811 | #if EV_MINIMAL < 2 |
1956 | #if EV_FEATURE_API |
1812 | void |
1957 | void |
1813 | ev_loop_verify (EV_P) |
1958 | ev_verify (EV_P) |
1814 | { |
1959 | { |
1815 | #if EV_VERIFY |
1960 | #if EV_VERIFY |
1816 | int i; |
1961 | int i; |
1817 | WL w; |
1962 | WL w; |
1818 | |
1963 | |
… | |
… | |
1852 | #if EV_FORK_ENABLE |
1997 | #if EV_FORK_ENABLE |
1853 | assert (forkmax >= forkcnt); |
1998 | assert (forkmax >= forkcnt); |
1854 | array_verify (EV_A_ (W *)forks, forkcnt); |
1999 | array_verify (EV_A_ (W *)forks, forkcnt); |
1855 | #endif |
2000 | #endif |
1856 | |
2001 | |
|
|
2002 | #if EV_CLEANUP_ENABLE |
|
|
2003 | assert (cleanupmax >= cleanupcnt); |
|
|
2004 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2005 | #endif |
|
|
2006 | |
1857 | #if EV_ASYNC_ENABLE |
2007 | #if EV_ASYNC_ENABLE |
1858 | assert (asyncmax >= asynccnt); |
2008 | assert (asyncmax >= asynccnt); |
1859 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2009 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1860 | #endif |
2010 | #endif |
1861 | |
2011 | |
|
|
2012 | #if EV_PREPARE_ENABLE |
1862 | assert (preparemax >= preparecnt); |
2013 | assert (preparemax >= preparecnt); |
1863 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2014 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2015 | #endif |
1864 | |
2016 | |
|
|
2017 | #if EV_CHECK_ENABLE |
1865 | assert (checkmax >= checkcnt); |
2018 | assert (checkmax >= checkcnt); |
1866 | array_verify (EV_A_ (W *)checks, checkcnt); |
2019 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2020 | #endif |
1867 | |
2021 | |
1868 | # if 0 |
2022 | # if 0 |
|
|
2023 | #if EV_CHILD_ENABLE |
1869 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2024 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1870 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
2025 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2026 | #endif |
1871 | # endif |
2027 | # endif |
1872 | #endif |
2028 | #endif |
1873 | } |
2029 | } |
1874 | #endif |
2030 | #endif |
1875 | |
2031 | |
1876 | #if EV_MULTIPLICITY |
2032 | #if EV_MULTIPLICITY |
1877 | struct ev_loop * |
2033 | struct ev_loop * |
1878 | ev_default_loop_init (unsigned int flags) |
|
|
1879 | #else |
2034 | #else |
1880 | int |
2035 | int |
|
|
2036 | #endif |
1881 | ev_default_loop (unsigned int flags) |
2037 | ev_default_loop (unsigned int flags) |
1882 | #endif |
|
|
1883 | { |
2038 | { |
1884 | if (!ev_default_loop_ptr) |
2039 | if (!ev_default_loop_ptr) |
1885 | { |
2040 | { |
1886 | #if EV_MULTIPLICITY |
2041 | #if EV_MULTIPLICITY |
1887 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2042 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1891 | |
2046 | |
1892 | loop_init (EV_A_ flags); |
2047 | loop_init (EV_A_ flags); |
1893 | |
2048 | |
1894 | if (ev_backend (EV_A)) |
2049 | if (ev_backend (EV_A)) |
1895 | { |
2050 | { |
1896 | #ifndef _WIN32 |
2051 | #if EV_CHILD_ENABLE |
1897 | ev_signal_init (&childev, childcb, SIGCHLD); |
2052 | ev_signal_init (&childev, childcb, SIGCHLD); |
1898 | ev_set_priority (&childev, EV_MAXPRI); |
2053 | ev_set_priority (&childev, EV_MAXPRI); |
1899 | ev_signal_start (EV_A_ &childev); |
2054 | ev_signal_start (EV_A_ &childev); |
1900 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2055 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1901 | #endif |
2056 | #endif |
… | |
… | |
1906 | |
2061 | |
1907 | return ev_default_loop_ptr; |
2062 | return ev_default_loop_ptr; |
1908 | } |
2063 | } |
1909 | |
2064 | |
1910 | void |
2065 | void |
1911 | ev_default_destroy (void) |
2066 | ev_loop_fork (EV_P) |
1912 | { |
2067 | { |
1913 | #if EV_MULTIPLICITY |
|
|
1914 | EV_P = ev_default_loop_ptr; |
|
|
1915 | #endif |
|
|
1916 | |
|
|
1917 | ev_default_loop_ptr = 0; |
|
|
1918 | |
|
|
1919 | #ifndef _WIN32 |
|
|
1920 | ev_ref (EV_A); /* child watcher */ |
|
|
1921 | ev_signal_stop (EV_A_ &childev); |
|
|
1922 | #endif |
|
|
1923 | |
|
|
1924 | loop_destroy (EV_A); |
|
|
1925 | } |
|
|
1926 | |
|
|
1927 | void |
|
|
1928 | ev_default_fork (void) |
|
|
1929 | { |
|
|
1930 | #if EV_MULTIPLICITY |
|
|
1931 | EV_P = ev_default_loop_ptr; |
|
|
1932 | #endif |
|
|
1933 | |
|
|
1934 | postfork = 1; /* must be in line with ev_loop_fork */ |
2068 | postfork = 1; /* must be in line with ev_default_fork */ |
1935 | } |
2069 | } |
1936 | |
2070 | |
1937 | /*****************************************************************************/ |
2071 | /*****************************************************************************/ |
1938 | |
2072 | |
1939 | void |
2073 | void |
… | |
… | |
2030 | EV_FREQUENT_CHECK; |
2164 | EV_FREQUENT_CHECK; |
2031 | feed_reverse (EV_A_ (W)w); |
2165 | feed_reverse (EV_A_ (W)w); |
2032 | } |
2166 | } |
2033 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2167 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2034 | |
2168 | |
2035 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2169 | feed_reverse_done (EV_A_ EV_TIMER); |
2036 | } |
2170 | } |
2037 | } |
2171 | } |
2038 | |
2172 | |
2039 | #if EV_PERIODIC_ENABLE |
2173 | #if EV_PERIODIC_ENABLE |
2040 | /* make periodics pending */ |
2174 | /* make periodics pending */ |
… | |
… | |
2093 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2227 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2094 | } |
2228 | } |
2095 | } |
2229 | } |
2096 | |
2230 | |
2097 | /* simply recalculate all periodics */ |
2231 | /* simply recalculate all periodics */ |
2098 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2232 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2099 | static void noinline |
2233 | static void noinline |
2100 | periodics_reschedule (EV_P) |
2234 | periodics_reschedule (EV_P) |
2101 | { |
2235 | { |
2102 | int i; |
2236 | int i; |
2103 | |
2237 | |
… | |
… | |
2131 | ANHE_at_cache (*he); |
2265 | ANHE_at_cache (*he); |
2132 | } |
2266 | } |
2133 | } |
2267 | } |
2134 | |
2268 | |
2135 | /* fetch new monotonic and realtime times from the kernel */ |
2269 | /* fetch new monotonic and realtime times from the kernel */ |
2136 | /* also detetc if there was a timejump, and act accordingly */ |
2270 | /* also detect if there was a timejump, and act accordingly */ |
2137 | inline_speed void |
2271 | inline_speed void |
2138 | time_update (EV_P_ ev_tstamp max_block) |
2272 | time_update (EV_P_ ev_tstamp max_block) |
2139 | { |
2273 | { |
2140 | #if EV_USE_MONOTONIC |
2274 | #if EV_USE_MONOTONIC |
2141 | if (expect_true (have_monotonic)) |
2275 | if (expect_true (have_monotonic)) |
… | |
… | |
2199 | mn_now = ev_rt_now; |
2333 | mn_now = ev_rt_now; |
2200 | } |
2334 | } |
2201 | } |
2335 | } |
2202 | |
2336 | |
2203 | void |
2337 | void |
2204 | ev_loop (EV_P_ int flags) |
2338 | ev_run (EV_P_ int flags) |
2205 | { |
2339 | { |
2206 | #if EV_MINIMAL < 2 |
2340 | #if EV_FEATURE_API |
2207 | ++loop_depth; |
2341 | ++loop_depth; |
2208 | #endif |
2342 | #endif |
2209 | |
2343 | |
2210 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2344 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2211 | |
2345 | |
2212 | loop_done = EVUNLOOP_CANCEL; |
2346 | loop_done = EVBREAK_CANCEL; |
2213 | |
2347 | |
2214 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2348 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2215 | |
2349 | |
2216 | do |
2350 | do |
2217 | { |
2351 | { |
2218 | #if EV_VERIFY >= 2 |
2352 | #if EV_VERIFY >= 2 |
2219 | ev_loop_verify (EV_A); |
2353 | ev_verify (EV_A); |
2220 | #endif |
2354 | #endif |
2221 | |
2355 | |
2222 | #ifndef _WIN32 |
2356 | #ifndef _WIN32 |
2223 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2357 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2224 | if (expect_false (getpid () != curpid)) |
2358 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2236 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2370 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2237 | EV_INVOKE_PENDING; |
2371 | EV_INVOKE_PENDING; |
2238 | } |
2372 | } |
2239 | #endif |
2373 | #endif |
2240 | |
2374 | |
|
|
2375 | #if EV_PREPARE_ENABLE |
2241 | /* queue prepare watchers (and execute them) */ |
2376 | /* queue prepare watchers (and execute them) */ |
2242 | if (expect_false (preparecnt)) |
2377 | if (expect_false (preparecnt)) |
2243 | { |
2378 | { |
2244 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2379 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2245 | EV_INVOKE_PENDING; |
2380 | EV_INVOKE_PENDING; |
2246 | } |
2381 | } |
|
|
2382 | #endif |
2247 | |
2383 | |
2248 | if (expect_false (loop_done)) |
2384 | if (expect_false (loop_done)) |
2249 | break; |
2385 | break; |
2250 | |
2386 | |
2251 | /* we might have forked, so reify kernel state if necessary */ |
2387 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2258 | /* calculate blocking time */ |
2394 | /* calculate blocking time */ |
2259 | { |
2395 | { |
2260 | ev_tstamp waittime = 0.; |
2396 | ev_tstamp waittime = 0.; |
2261 | ev_tstamp sleeptime = 0.; |
2397 | ev_tstamp sleeptime = 0.; |
2262 | |
2398 | |
|
|
2399 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2400 | ev_tstamp prev_mn_now = mn_now; |
|
|
2401 | |
|
|
2402 | /* update time to cancel out callback processing overhead */ |
|
|
2403 | time_update (EV_A_ 1e100); |
|
|
2404 | |
2263 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2405 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2264 | { |
2406 | { |
2265 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2266 | ev_tstamp prev_mn_now = mn_now; |
|
|
2267 | |
|
|
2268 | /* update time to cancel out callback processing overhead */ |
|
|
2269 | time_update (EV_A_ 1e100); |
|
|
2270 | |
|
|
2271 | waittime = MAX_BLOCKTIME; |
2407 | waittime = MAX_BLOCKTIME; |
2272 | |
2408 | |
2273 | if (timercnt) |
2409 | if (timercnt) |
2274 | { |
2410 | { |
2275 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2411 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2302 | waittime -= sleeptime; |
2438 | waittime -= sleeptime; |
2303 | } |
2439 | } |
2304 | } |
2440 | } |
2305 | } |
2441 | } |
2306 | |
2442 | |
2307 | #if EV_MINIMAL < 2 |
2443 | #if EV_FEATURE_API |
2308 | ++loop_count; |
2444 | ++loop_count; |
2309 | #endif |
2445 | #endif |
2310 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2446 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2311 | backend_poll (EV_A_ waittime); |
2447 | backend_poll (EV_A_ waittime); |
2312 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2448 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2313 | |
2449 | |
2314 | /* update ev_rt_now, do magic */ |
2450 | /* update ev_rt_now, do magic */ |
2315 | time_update (EV_A_ waittime + sleeptime); |
2451 | time_update (EV_A_ waittime + sleeptime); |
2316 | } |
2452 | } |
2317 | |
2453 | |
… | |
… | |
2324 | #if EV_IDLE_ENABLE |
2460 | #if EV_IDLE_ENABLE |
2325 | /* queue idle watchers unless other events are pending */ |
2461 | /* queue idle watchers unless other events are pending */ |
2326 | idle_reify (EV_A); |
2462 | idle_reify (EV_A); |
2327 | #endif |
2463 | #endif |
2328 | |
2464 | |
|
|
2465 | #if EV_CHECK_ENABLE |
2329 | /* queue check watchers, to be executed first */ |
2466 | /* queue check watchers, to be executed first */ |
2330 | if (expect_false (checkcnt)) |
2467 | if (expect_false (checkcnt)) |
2331 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2468 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2469 | #endif |
2332 | |
2470 | |
2333 | EV_INVOKE_PENDING; |
2471 | EV_INVOKE_PENDING; |
2334 | } |
2472 | } |
2335 | while (expect_true ( |
2473 | while (expect_true ( |
2336 | activecnt |
2474 | activecnt |
2337 | && !loop_done |
2475 | && !loop_done |
2338 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2476 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2339 | )); |
2477 | )); |
2340 | |
2478 | |
2341 | if (loop_done == EVUNLOOP_ONE) |
2479 | if (loop_done == EVBREAK_ONE) |
2342 | loop_done = EVUNLOOP_CANCEL; |
2480 | loop_done = EVBREAK_CANCEL; |
2343 | |
2481 | |
2344 | #if EV_MINIMAL < 2 |
2482 | #if EV_FEATURE_API |
2345 | --loop_depth; |
2483 | --loop_depth; |
2346 | #endif |
2484 | #endif |
2347 | } |
2485 | } |
2348 | |
2486 | |
2349 | void |
2487 | void |
2350 | ev_unloop (EV_P_ int how) |
2488 | ev_break (EV_P_ int how) |
2351 | { |
2489 | { |
2352 | loop_done = how; |
2490 | loop_done = how; |
2353 | } |
2491 | } |
2354 | |
2492 | |
2355 | void |
2493 | void |
… | |
… | |
2475 | |
2613 | |
2476 | if (expect_false (ev_is_active (w))) |
2614 | if (expect_false (ev_is_active (w))) |
2477 | return; |
2615 | return; |
2478 | |
2616 | |
2479 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2617 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2480 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2618 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2481 | |
2619 | |
2482 | EV_FREQUENT_CHECK; |
2620 | EV_FREQUENT_CHECK; |
2483 | |
2621 | |
2484 | ev_start (EV_A_ (W)w, 1); |
2622 | ev_start (EV_A_ (W)w, 1); |
2485 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2623 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2503 | EV_FREQUENT_CHECK; |
2641 | EV_FREQUENT_CHECK; |
2504 | |
2642 | |
2505 | wlist_del (&anfds[w->fd].head, (WL)w); |
2643 | wlist_del (&anfds[w->fd].head, (WL)w); |
2506 | ev_stop (EV_A_ (W)w); |
2644 | ev_stop (EV_A_ (W)w); |
2507 | |
2645 | |
2508 | fd_change (EV_A_ w->fd, 1); |
2646 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2509 | |
2647 | |
2510 | EV_FREQUENT_CHECK; |
2648 | EV_FREQUENT_CHECK; |
2511 | } |
2649 | } |
2512 | |
2650 | |
2513 | void noinline |
2651 | void noinline |
… | |
… | |
2555 | timers [active] = timers [timercnt + HEAP0]; |
2693 | timers [active] = timers [timercnt + HEAP0]; |
2556 | adjustheap (timers, timercnt, active); |
2694 | adjustheap (timers, timercnt, active); |
2557 | } |
2695 | } |
2558 | } |
2696 | } |
2559 | |
2697 | |
2560 | EV_FREQUENT_CHECK; |
|
|
2561 | |
|
|
2562 | ev_at (w) -= mn_now; |
2698 | ev_at (w) -= mn_now; |
2563 | |
2699 | |
2564 | ev_stop (EV_A_ (W)w); |
2700 | ev_stop (EV_A_ (W)w); |
|
|
2701 | |
|
|
2702 | EV_FREQUENT_CHECK; |
2565 | } |
2703 | } |
2566 | |
2704 | |
2567 | void noinline |
2705 | void noinline |
2568 | ev_timer_again (EV_P_ ev_timer *w) |
2706 | ev_timer_again (EV_P_ ev_timer *w) |
2569 | { |
2707 | { |
… | |
… | |
2648 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2786 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2649 | adjustheap (periodics, periodiccnt, active); |
2787 | adjustheap (periodics, periodiccnt, active); |
2650 | } |
2788 | } |
2651 | } |
2789 | } |
2652 | |
2790 | |
2653 | EV_FREQUENT_CHECK; |
|
|
2654 | |
|
|
2655 | ev_stop (EV_A_ (W)w); |
2791 | ev_stop (EV_A_ (W)w); |
|
|
2792 | |
|
|
2793 | EV_FREQUENT_CHECK; |
2656 | } |
2794 | } |
2657 | |
2795 | |
2658 | void noinline |
2796 | void noinline |
2659 | ev_periodic_again (EV_P_ ev_periodic *w) |
2797 | ev_periodic_again (EV_P_ ev_periodic *w) |
2660 | { |
2798 | { |
… | |
… | |
2665 | #endif |
2803 | #endif |
2666 | |
2804 | |
2667 | #ifndef SA_RESTART |
2805 | #ifndef SA_RESTART |
2668 | # define SA_RESTART 0 |
2806 | # define SA_RESTART 0 |
2669 | #endif |
2807 | #endif |
|
|
2808 | |
|
|
2809 | #if EV_SIGNAL_ENABLE |
2670 | |
2810 | |
2671 | void noinline |
2811 | void noinline |
2672 | ev_signal_start (EV_P_ ev_signal *w) |
2812 | ev_signal_start (EV_P_ ev_signal *w) |
2673 | { |
2813 | { |
2674 | if (expect_false (ev_is_active (w))) |
2814 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2721 | if (!((WL)w)->next) |
2861 | if (!((WL)w)->next) |
2722 | # if EV_USE_SIGNALFD |
2862 | # if EV_USE_SIGNALFD |
2723 | if (sigfd < 0) /*TODO*/ |
2863 | if (sigfd < 0) /*TODO*/ |
2724 | # endif |
2864 | # endif |
2725 | { |
2865 | { |
2726 | # if _WIN32 |
2866 | # ifdef _WIN32 |
|
|
2867 | evpipe_init (EV_A); |
|
|
2868 | |
2727 | signal (w->signum, ev_sighandler); |
2869 | signal (w->signum, ev_sighandler); |
2728 | # else |
2870 | # else |
2729 | struct sigaction sa; |
2871 | struct sigaction sa; |
2730 | |
2872 | |
2731 | evpipe_init (EV_A); |
2873 | evpipe_init (EV_A); |
… | |
… | |
2762 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2904 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2763 | #endif |
2905 | #endif |
2764 | #if EV_USE_SIGNALFD |
2906 | #if EV_USE_SIGNALFD |
2765 | if (sigfd >= 0) |
2907 | if (sigfd >= 0) |
2766 | { |
2908 | { |
2767 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
2909 | sigset_t ss; |
|
|
2910 | |
|
|
2911 | sigemptyset (&ss); |
|
|
2912 | sigaddset (&ss, w->signum); |
2768 | sigdelset (&sigfd_set, w->signum); |
2913 | sigdelset (&sigfd_set, w->signum); |
|
|
2914 | |
2769 | signalfd (sigfd, &sigfd_set, 0); |
2915 | signalfd (sigfd, &sigfd_set, 0); |
2770 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
2916 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
2771 | /*TODO: maybe unblock signal? */ |
|
|
2772 | } |
2917 | } |
2773 | else |
2918 | else |
2774 | #endif |
2919 | #endif |
2775 | signal (w->signum, SIG_DFL); |
2920 | signal (w->signum, SIG_DFL); |
2776 | } |
2921 | } |
2777 | |
2922 | |
2778 | EV_FREQUENT_CHECK; |
2923 | EV_FREQUENT_CHECK; |
2779 | } |
2924 | } |
2780 | |
2925 | |
|
|
2926 | #endif |
|
|
2927 | |
|
|
2928 | #if EV_CHILD_ENABLE |
|
|
2929 | |
2781 | void |
2930 | void |
2782 | ev_child_start (EV_P_ ev_child *w) |
2931 | ev_child_start (EV_P_ ev_child *w) |
2783 | { |
2932 | { |
2784 | #if EV_MULTIPLICITY |
2933 | #if EV_MULTIPLICITY |
2785 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2934 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2788 | return; |
2937 | return; |
2789 | |
2938 | |
2790 | EV_FREQUENT_CHECK; |
2939 | EV_FREQUENT_CHECK; |
2791 | |
2940 | |
2792 | ev_start (EV_A_ (W)w, 1); |
2941 | ev_start (EV_A_ (W)w, 1); |
2793 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2942 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2794 | |
2943 | |
2795 | EV_FREQUENT_CHECK; |
2944 | EV_FREQUENT_CHECK; |
2796 | } |
2945 | } |
2797 | |
2946 | |
2798 | void |
2947 | void |
… | |
… | |
2802 | if (expect_false (!ev_is_active (w))) |
2951 | if (expect_false (!ev_is_active (w))) |
2803 | return; |
2952 | return; |
2804 | |
2953 | |
2805 | EV_FREQUENT_CHECK; |
2954 | EV_FREQUENT_CHECK; |
2806 | |
2955 | |
2807 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2956 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2808 | ev_stop (EV_A_ (W)w); |
2957 | ev_stop (EV_A_ (W)w); |
2809 | |
2958 | |
2810 | EV_FREQUENT_CHECK; |
2959 | EV_FREQUENT_CHECK; |
2811 | } |
2960 | } |
|
|
2961 | |
|
|
2962 | #endif |
2812 | |
2963 | |
2813 | #if EV_STAT_ENABLE |
2964 | #if EV_STAT_ENABLE |
2814 | |
2965 | |
2815 | # ifdef _WIN32 |
2966 | # ifdef _WIN32 |
2816 | # undef lstat |
2967 | # undef lstat |
… | |
… | |
2822 | #define MIN_STAT_INTERVAL 0.1074891 |
2973 | #define MIN_STAT_INTERVAL 0.1074891 |
2823 | |
2974 | |
2824 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2975 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2825 | |
2976 | |
2826 | #if EV_USE_INOTIFY |
2977 | #if EV_USE_INOTIFY |
2827 | # define EV_INOTIFY_BUFSIZE 8192 |
2978 | |
|
|
2979 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2980 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2828 | |
2981 | |
2829 | static void noinline |
2982 | static void noinline |
2830 | infy_add (EV_P_ ev_stat *w) |
2983 | infy_add (EV_P_ ev_stat *w) |
2831 | { |
2984 | { |
2832 | 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); |
2985 | 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); |
2833 | |
2986 | |
2834 | if (w->wd < 0) |
2987 | if (w->wd >= 0) |
|
|
2988 | { |
|
|
2989 | struct statfs sfs; |
|
|
2990 | |
|
|
2991 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2992 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2993 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2994 | |
|
|
2995 | if (!fs_2625) |
|
|
2996 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
2997 | else if (!statfs (w->path, &sfs) |
|
|
2998 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
2999 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
3000 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
3001 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
3002 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
3003 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
3004 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
3005 | else |
|
|
3006 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2835 | { |
3007 | } |
|
|
3008 | else |
|
|
3009 | { |
|
|
3010 | /* can't use inotify, continue to stat */ |
2836 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3011 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2837 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2838 | |
3012 | |
2839 | /* monitor some parent directory for speedup hints */ |
3013 | /* if path is not there, monitor some parent directory for speedup hints */ |
2840 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
3014 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2841 | /* but an efficiency issue only */ |
3015 | /* but an efficiency issue only */ |
2842 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
3016 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2843 | { |
3017 | { |
2844 | char path [4096]; |
3018 | char path [4096]; |
… | |
… | |
2860 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3034 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2861 | } |
3035 | } |
2862 | } |
3036 | } |
2863 | |
3037 | |
2864 | if (w->wd >= 0) |
3038 | if (w->wd >= 0) |
2865 | { |
|
|
2866 | struct statfs sfs; |
|
|
2867 | |
|
|
2868 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3039 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2869 | |
3040 | |
2870 | /* now local changes will be tracked by inotify, but remote changes won't */ |
3041 | /* now re-arm timer, if required */ |
2871 | /* unless the filesystem it known to be local, we therefore still poll */ |
3042 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2872 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2873 | |
|
|
2874 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2875 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2876 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2877 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2878 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2879 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2880 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2881 | return; |
|
|
2882 | |
|
|
2883 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2884 | ev_timer_again (EV_A_ &w->timer); |
3043 | ev_timer_again (EV_A_ &w->timer); |
2885 | } |
3044 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2886 | } |
3045 | } |
2887 | |
3046 | |
2888 | static void noinline |
3047 | static void noinline |
2889 | infy_del (EV_P_ ev_stat *w) |
3048 | infy_del (EV_P_ ev_stat *w) |
2890 | { |
3049 | { |
… | |
… | |
2893 | |
3052 | |
2894 | if (wd < 0) |
3053 | if (wd < 0) |
2895 | return; |
3054 | return; |
2896 | |
3055 | |
2897 | w->wd = -2; |
3056 | w->wd = -2; |
2898 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3057 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2899 | wlist_del (&fs_hash [slot].head, (WL)w); |
3058 | wlist_del (&fs_hash [slot].head, (WL)w); |
2900 | |
3059 | |
2901 | /* remove this watcher, if others are watching it, they will rearm */ |
3060 | /* remove this watcher, if others are watching it, they will rearm */ |
2902 | inotify_rm_watch (fs_fd, wd); |
3061 | inotify_rm_watch (fs_fd, wd); |
2903 | } |
3062 | } |
… | |
… | |
2905 | static void noinline |
3064 | static void noinline |
2906 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3065 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2907 | { |
3066 | { |
2908 | if (slot < 0) |
3067 | if (slot < 0) |
2909 | /* overflow, need to check for all hash slots */ |
3068 | /* overflow, need to check for all hash slots */ |
2910 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3069 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2911 | infy_wd (EV_A_ slot, wd, ev); |
3070 | infy_wd (EV_A_ slot, wd, ev); |
2912 | else |
3071 | else |
2913 | { |
3072 | { |
2914 | WL w_; |
3073 | WL w_; |
2915 | |
3074 | |
2916 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3075 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2917 | { |
3076 | { |
2918 | ev_stat *w = (ev_stat *)w_; |
3077 | ev_stat *w = (ev_stat *)w_; |
2919 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3078 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2920 | |
3079 | |
2921 | if (w->wd == wd || wd == -1) |
3080 | if (w->wd == wd || wd == -1) |
2922 | { |
3081 | { |
2923 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3082 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2924 | { |
3083 | { |
2925 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3084 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2926 | w->wd = -1; |
3085 | w->wd = -1; |
2927 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3086 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2928 | } |
3087 | } |
2929 | |
3088 | |
2930 | stat_timer_cb (EV_A_ &w->timer, 0); |
3089 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2935 | |
3094 | |
2936 | static void |
3095 | static void |
2937 | infy_cb (EV_P_ ev_io *w, int revents) |
3096 | infy_cb (EV_P_ ev_io *w, int revents) |
2938 | { |
3097 | { |
2939 | char buf [EV_INOTIFY_BUFSIZE]; |
3098 | char buf [EV_INOTIFY_BUFSIZE]; |
2940 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2941 | int ofs; |
3099 | int ofs; |
2942 | int len = read (fs_fd, buf, sizeof (buf)); |
3100 | int len = read (fs_fd, buf, sizeof (buf)); |
2943 | |
3101 | |
2944 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3102 | for (ofs = 0; ofs < len; ) |
|
|
3103 | { |
|
|
3104 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2945 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3105 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3106 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3107 | } |
2946 | } |
3108 | } |
2947 | |
3109 | |
2948 | inline_size void |
3110 | inline_size void |
2949 | check_2625 (EV_P) |
3111 | ev_check_2625 (EV_P) |
2950 | { |
3112 | { |
2951 | /* kernels < 2.6.25 are borked |
3113 | /* kernels < 2.6.25 are borked |
2952 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3114 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2953 | */ |
3115 | */ |
2954 | struct utsname buf; |
3116 | if (ev_linux_version () < 0x020619) |
2955 | int major, minor, micro; |
|
|
2956 | |
|
|
2957 | if (uname (&buf)) |
|
|
2958 | return; |
3117 | return; |
2959 | |
3118 | |
2960 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2961 | return; |
|
|
2962 | |
|
|
2963 | if (major < 2 |
|
|
2964 | || (major == 2 && minor < 6) |
|
|
2965 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2966 | return; |
|
|
2967 | |
|
|
2968 | fs_2625 = 1; |
3119 | fs_2625 = 1; |
|
|
3120 | } |
|
|
3121 | |
|
|
3122 | inline_size int |
|
|
3123 | infy_newfd (void) |
|
|
3124 | { |
|
|
3125 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3126 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3127 | if (fd >= 0) |
|
|
3128 | return fd; |
|
|
3129 | #endif |
|
|
3130 | return inotify_init (); |
2969 | } |
3131 | } |
2970 | |
3132 | |
2971 | inline_size void |
3133 | inline_size void |
2972 | infy_init (EV_P) |
3134 | infy_init (EV_P) |
2973 | { |
3135 | { |
2974 | if (fs_fd != -2) |
3136 | if (fs_fd != -2) |
2975 | return; |
3137 | return; |
2976 | |
3138 | |
2977 | fs_fd = -1; |
3139 | fs_fd = -1; |
2978 | |
3140 | |
2979 | check_2625 (EV_A); |
3141 | ev_check_2625 (EV_A); |
2980 | |
3142 | |
2981 | fs_fd = inotify_init (); |
3143 | fs_fd = infy_newfd (); |
2982 | |
3144 | |
2983 | if (fs_fd >= 0) |
3145 | if (fs_fd >= 0) |
2984 | { |
3146 | { |
|
|
3147 | fd_intern (fs_fd); |
2985 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3148 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2986 | ev_set_priority (&fs_w, EV_MAXPRI); |
3149 | ev_set_priority (&fs_w, EV_MAXPRI); |
2987 | ev_io_start (EV_A_ &fs_w); |
3150 | ev_io_start (EV_A_ &fs_w); |
|
|
3151 | ev_unref (EV_A); |
2988 | } |
3152 | } |
2989 | } |
3153 | } |
2990 | |
3154 | |
2991 | inline_size void |
3155 | inline_size void |
2992 | infy_fork (EV_P) |
3156 | infy_fork (EV_P) |
… | |
… | |
2994 | int slot; |
3158 | int slot; |
2995 | |
3159 | |
2996 | if (fs_fd < 0) |
3160 | if (fs_fd < 0) |
2997 | return; |
3161 | return; |
2998 | |
3162 | |
|
|
3163 | ev_ref (EV_A); |
|
|
3164 | ev_io_stop (EV_A_ &fs_w); |
2999 | close (fs_fd); |
3165 | close (fs_fd); |
3000 | fs_fd = inotify_init (); |
3166 | fs_fd = infy_newfd (); |
3001 | |
3167 | |
|
|
3168 | if (fs_fd >= 0) |
|
|
3169 | { |
|
|
3170 | fd_intern (fs_fd); |
|
|
3171 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3172 | ev_io_start (EV_A_ &fs_w); |
|
|
3173 | ev_unref (EV_A); |
|
|
3174 | } |
|
|
3175 | |
3002 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3176 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3003 | { |
3177 | { |
3004 | WL w_ = fs_hash [slot].head; |
3178 | WL w_ = fs_hash [slot].head; |
3005 | fs_hash [slot].head = 0; |
3179 | fs_hash [slot].head = 0; |
3006 | |
3180 | |
3007 | while (w_) |
3181 | while (w_) |
… | |
… | |
3012 | w->wd = -1; |
3186 | w->wd = -1; |
3013 | |
3187 | |
3014 | if (fs_fd >= 0) |
3188 | if (fs_fd >= 0) |
3015 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3189 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3016 | else |
3190 | else |
|
|
3191 | { |
|
|
3192 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3193 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3017 | ev_timer_again (EV_A_ &w->timer); |
3194 | ev_timer_again (EV_A_ &w->timer); |
|
|
3195 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3196 | } |
3018 | } |
3197 | } |
3019 | } |
3198 | } |
3020 | } |
3199 | } |
3021 | |
3200 | |
3022 | #endif |
3201 | #endif |
… | |
… | |
3039 | static void noinline |
3218 | static void noinline |
3040 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3219 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3041 | { |
3220 | { |
3042 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3221 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3043 | |
3222 | |
3044 | /* we copy this here each the time so that */ |
3223 | ev_statdata prev = w->attr; |
3045 | /* prev has the old value when the callback gets invoked */ |
|
|
3046 | w->prev = w->attr; |
|
|
3047 | ev_stat_stat (EV_A_ w); |
3224 | ev_stat_stat (EV_A_ w); |
3048 | |
3225 | |
3049 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3226 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3050 | if ( |
3227 | if ( |
3051 | w->prev.st_dev != w->attr.st_dev |
3228 | prev.st_dev != w->attr.st_dev |
3052 | || w->prev.st_ino != w->attr.st_ino |
3229 | || prev.st_ino != w->attr.st_ino |
3053 | || w->prev.st_mode != w->attr.st_mode |
3230 | || prev.st_mode != w->attr.st_mode |
3054 | || w->prev.st_nlink != w->attr.st_nlink |
3231 | || prev.st_nlink != w->attr.st_nlink |
3055 | || w->prev.st_uid != w->attr.st_uid |
3232 | || prev.st_uid != w->attr.st_uid |
3056 | || w->prev.st_gid != w->attr.st_gid |
3233 | || prev.st_gid != w->attr.st_gid |
3057 | || w->prev.st_rdev != w->attr.st_rdev |
3234 | || prev.st_rdev != w->attr.st_rdev |
3058 | || w->prev.st_size != w->attr.st_size |
3235 | || prev.st_size != w->attr.st_size |
3059 | || w->prev.st_atime != w->attr.st_atime |
3236 | || prev.st_atime != w->attr.st_atime |
3060 | || w->prev.st_mtime != w->attr.st_mtime |
3237 | || prev.st_mtime != w->attr.st_mtime |
3061 | || w->prev.st_ctime != w->attr.st_ctime |
3238 | || prev.st_ctime != w->attr.st_ctime |
3062 | ) { |
3239 | ) { |
|
|
3240 | /* we only update w->prev on actual differences */ |
|
|
3241 | /* in case we test more often than invoke the callback, */ |
|
|
3242 | /* to ensure that prev is always different to attr */ |
|
|
3243 | w->prev = prev; |
|
|
3244 | |
3063 | #if EV_USE_INOTIFY |
3245 | #if EV_USE_INOTIFY |
3064 | if (fs_fd >= 0) |
3246 | if (fs_fd >= 0) |
3065 | { |
3247 | { |
3066 | infy_del (EV_A_ w); |
3248 | infy_del (EV_A_ w); |
3067 | infy_add (EV_A_ w); |
3249 | infy_add (EV_A_ w); |
… | |
… | |
3092 | |
3274 | |
3093 | if (fs_fd >= 0) |
3275 | if (fs_fd >= 0) |
3094 | infy_add (EV_A_ w); |
3276 | infy_add (EV_A_ w); |
3095 | else |
3277 | else |
3096 | #endif |
3278 | #endif |
|
|
3279 | { |
3097 | ev_timer_again (EV_A_ &w->timer); |
3280 | ev_timer_again (EV_A_ &w->timer); |
|
|
3281 | ev_unref (EV_A); |
|
|
3282 | } |
3098 | |
3283 | |
3099 | ev_start (EV_A_ (W)w, 1); |
3284 | ev_start (EV_A_ (W)w, 1); |
3100 | |
3285 | |
3101 | EV_FREQUENT_CHECK; |
3286 | EV_FREQUENT_CHECK; |
3102 | } |
3287 | } |
… | |
… | |
3111 | EV_FREQUENT_CHECK; |
3296 | EV_FREQUENT_CHECK; |
3112 | |
3297 | |
3113 | #if EV_USE_INOTIFY |
3298 | #if EV_USE_INOTIFY |
3114 | infy_del (EV_A_ w); |
3299 | infy_del (EV_A_ w); |
3115 | #endif |
3300 | #endif |
|
|
3301 | |
|
|
3302 | if (ev_is_active (&w->timer)) |
|
|
3303 | { |
|
|
3304 | ev_ref (EV_A); |
3116 | ev_timer_stop (EV_A_ &w->timer); |
3305 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3306 | } |
3117 | |
3307 | |
3118 | ev_stop (EV_A_ (W)w); |
3308 | ev_stop (EV_A_ (W)w); |
3119 | |
3309 | |
3120 | EV_FREQUENT_CHECK; |
3310 | EV_FREQUENT_CHECK; |
3121 | } |
3311 | } |
… | |
… | |
3166 | |
3356 | |
3167 | EV_FREQUENT_CHECK; |
3357 | EV_FREQUENT_CHECK; |
3168 | } |
3358 | } |
3169 | #endif |
3359 | #endif |
3170 | |
3360 | |
|
|
3361 | #if EV_PREPARE_ENABLE |
3171 | void |
3362 | void |
3172 | ev_prepare_start (EV_P_ ev_prepare *w) |
3363 | ev_prepare_start (EV_P_ ev_prepare *w) |
3173 | { |
3364 | { |
3174 | if (expect_false (ev_is_active (w))) |
3365 | if (expect_false (ev_is_active (w))) |
3175 | return; |
3366 | return; |
… | |
… | |
3201 | |
3392 | |
3202 | ev_stop (EV_A_ (W)w); |
3393 | ev_stop (EV_A_ (W)w); |
3203 | |
3394 | |
3204 | EV_FREQUENT_CHECK; |
3395 | EV_FREQUENT_CHECK; |
3205 | } |
3396 | } |
|
|
3397 | #endif |
3206 | |
3398 | |
|
|
3399 | #if EV_CHECK_ENABLE |
3207 | void |
3400 | void |
3208 | ev_check_start (EV_P_ ev_check *w) |
3401 | ev_check_start (EV_P_ ev_check *w) |
3209 | { |
3402 | { |
3210 | if (expect_false (ev_is_active (w))) |
3403 | if (expect_false (ev_is_active (w))) |
3211 | return; |
3404 | return; |
… | |
… | |
3237 | |
3430 | |
3238 | ev_stop (EV_A_ (W)w); |
3431 | ev_stop (EV_A_ (W)w); |
3239 | |
3432 | |
3240 | EV_FREQUENT_CHECK; |
3433 | EV_FREQUENT_CHECK; |
3241 | } |
3434 | } |
|
|
3435 | #endif |
3242 | |
3436 | |
3243 | #if EV_EMBED_ENABLE |
3437 | #if EV_EMBED_ENABLE |
3244 | void noinline |
3438 | void noinline |
3245 | ev_embed_sweep (EV_P_ ev_embed *w) |
3439 | ev_embed_sweep (EV_P_ ev_embed *w) |
3246 | { |
3440 | { |
3247 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3441 | ev_run (w->other, EVRUN_NOWAIT); |
3248 | } |
3442 | } |
3249 | |
3443 | |
3250 | static void |
3444 | static void |
3251 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3445 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3252 | { |
3446 | { |
3253 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3447 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3254 | |
3448 | |
3255 | if (ev_cb (w)) |
3449 | if (ev_cb (w)) |
3256 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3450 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3257 | else |
3451 | else |
3258 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3452 | ev_run (w->other, EVRUN_NOWAIT); |
3259 | } |
3453 | } |
3260 | |
3454 | |
3261 | static void |
3455 | static void |
3262 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3456 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3263 | { |
3457 | { |
… | |
… | |
3267 | EV_P = w->other; |
3461 | EV_P = w->other; |
3268 | |
3462 | |
3269 | while (fdchangecnt) |
3463 | while (fdchangecnt) |
3270 | { |
3464 | { |
3271 | fd_reify (EV_A); |
3465 | fd_reify (EV_A); |
3272 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3466 | ev_run (EV_A_ EVRUN_NOWAIT); |
3273 | } |
3467 | } |
3274 | } |
3468 | } |
3275 | } |
3469 | } |
3276 | |
3470 | |
3277 | static void |
3471 | static void |
… | |
… | |
3283 | |
3477 | |
3284 | { |
3478 | { |
3285 | EV_P = w->other; |
3479 | EV_P = w->other; |
3286 | |
3480 | |
3287 | ev_loop_fork (EV_A); |
3481 | ev_loop_fork (EV_A); |
3288 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3482 | ev_run (EV_A_ EVRUN_NOWAIT); |
3289 | } |
3483 | } |
3290 | |
3484 | |
3291 | ev_embed_start (EV_A_ w); |
3485 | ev_embed_start (EV_A_ w); |
3292 | } |
3486 | } |
3293 | |
3487 | |
… | |
… | |
3341 | |
3535 | |
3342 | ev_io_stop (EV_A_ &w->io); |
3536 | ev_io_stop (EV_A_ &w->io); |
3343 | ev_prepare_stop (EV_A_ &w->prepare); |
3537 | ev_prepare_stop (EV_A_ &w->prepare); |
3344 | ev_fork_stop (EV_A_ &w->fork); |
3538 | ev_fork_stop (EV_A_ &w->fork); |
3345 | |
3539 | |
|
|
3540 | ev_stop (EV_A_ (W)w); |
|
|
3541 | |
3346 | EV_FREQUENT_CHECK; |
3542 | EV_FREQUENT_CHECK; |
3347 | } |
3543 | } |
3348 | #endif |
3544 | #endif |
3349 | |
3545 | |
3350 | #if EV_FORK_ENABLE |
3546 | #if EV_FORK_ENABLE |
… | |
… | |
3383 | |
3579 | |
3384 | EV_FREQUENT_CHECK; |
3580 | EV_FREQUENT_CHECK; |
3385 | } |
3581 | } |
3386 | #endif |
3582 | #endif |
3387 | |
3583 | |
3388 | #if EV_ASYNC_ENABLE |
3584 | #if EV_CLEANUP_ENABLE |
3389 | void |
3585 | void |
3390 | ev_async_start (EV_P_ ev_async *w) |
3586 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
3391 | { |
3587 | { |
3392 | if (expect_false (ev_is_active (w))) |
3588 | if (expect_false (ev_is_active (w))) |
3393 | return; |
3589 | return; |
|
|
3590 | |
|
|
3591 | EV_FREQUENT_CHECK; |
|
|
3592 | |
|
|
3593 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3594 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3595 | cleanups [cleanupcnt - 1] = w; |
|
|
3596 | |
|
|
3597 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3598 | ev_unref (EV_A); |
|
|
3599 | EV_FREQUENT_CHECK; |
|
|
3600 | } |
|
|
3601 | |
|
|
3602 | void |
|
|
3603 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3604 | { |
|
|
3605 | clear_pending (EV_A_ (W)w); |
|
|
3606 | if (expect_false (!ev_is_active (w))) |
|
|
3607 | return; |
|
|
3608 | |
|
|
3609 | EV_FREQUENT_CHECK; |
|
|
3610 | ev_ref (EV_A); |
|
|
3611 | |
|
|
3612 | { |
|
|
3613 | int active = ev_active (w); |
|
|
3614 | |
|
|
3615 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3616 | ev_active (cleanups [active - 1]) = active; |
|
|
3617 | } |
|
|
3618 | |
|
|
3619 | ev_stop (EV_A_ (W)w); |
|
|
3620 | |
|
|
3621 | EV_FREQUENT_CHECK; |
|
|
3622 | } |
|
|
3623 | #endif |
|
|
3624 | |
|
|
3625 | #if EV_ASYNC_ENABLE |
|
|
3626 | void |
|
|
3627 | ev_async_start (EV_P_ ev_async *w) |
|
|
3628 | { |
|
|
3629 | if (expect_false (ev_is_active (w))) |
|
|
3630 | return; |
|
|
3631 | |
|
|
3632 | w->sent = 0; |
3394 | |
3633 | |
3395 | evpipe_init (EV_A); |
3634 | evpipe_init (EV_A); |
3396 | |
3635 | |
3397 | EV_FREQUENT_CHECK; |
3636 | EV_FREQUENT_CHECK; |
3398 | |
3637 | |
… | |
… | |
3476 | { |
3715 | { |
3477 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3716 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3478 | |
3717 | |
3479 | if (expect_false (!once)) |
3718 | if (expect_false (!once)) |
3480 | { |
3719 | { |
3481 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3720 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3482 | return; |
3721 | return; |
3483 | } |
3722 | } |
3484 | |
3723 | |
3485 | once->cb = cb; |
3724 | once->cb = cb; |
3486 | once->arg = arg; |
3725 | once->arg = arg; |
… | |
… | |
3573 | if (types & EV_ASYNC) |
3812 | if (types & EV_ASYNC) |
3574 | for (i = asynccnt; i--; ) |
3813 | for (i = asynccnt; i--; ) |
3575 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3814 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3576 | #endif |
3815 | #endif |
3577 | |
3816 | |
|
|
3817 | #if EV_PREPARE_ENABLE |
3578 | if (types & EV_PREPARE) |
3818 | if (types & EV_PREPARE) |
3579 | for (i = preparecnt; i--; ) |
3819 | for (i = preparecnt; i--; ) |
3580 | #if EV_EMBED_ENABLE |
3820 | # if EV_EMBED_ENABLE |
3581 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3821 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3582 | #endif |
3822 | # endif |
3583 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3823 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3824 | #endif |
3584 | |
3825 | |
|
|
3826 | #if EV_CHECK_ENABLE |
3585 | if (types & EV_CHECK) |
3827 | if (types & EV_CHECK) |
3586 | for (i = checkcnt; i--; ) |
3828 | for (i = checkcnt; i--; ) |
3587 | cb (EV_A_ EV_CHECK, checks [i]); |
3829 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3830 | #endif |
3588 | |
3831 | |
|
|
3832 | #if EV_SIGNAL_ENABLE |
3589 | if (types & EV_SIGNAL) |
3833 | if (types & EV_SIGNAL) |
3590 | for (i = 0; i < EV_NSIG - 1; ++i) |
3834 | for (i = 0; i < EV_NSIG - 1; ++i) |
3591 | for (wl = signals [i].head; wl; ) |
3835 | for (wl = signals [i].head; wl; ) |
3592 | { |
3836 | { |
3593 | wn = wl->next; |
3837 | wn = wl->next; |
3594 | cb (EV_A_ EV_SIGNAL, wl); |
3838 | cb (EV_A_ EV_SIGNAL, wl); |
3595 | wl = wn; |
3839 | wl = wn; |
3596 | } |
3840 | } |
|
|
3841 | #endif |
3597 | |
3842 | |
|
|
3843 | #if EV_CHILD_ENABLE |
3598 | if (types & EV_CHILD) |
3844 | if (types & EV_CHILD) |
3599 | for (i = EV_PID_HASHSIZE; i--; ) |
3845 | for (i = (EV_PID_HASHSIZE); i--; ) |
3600 | for (wl = childs [i]; wl; ) |
3846 | for (wl = childs [i]; wl; ) |
3601 | { |
3847 | { |
3602 | wn = wl->next; |
3848 | wn = wl->next; |
3603 | cb (EV_A_ EV_CHILD, wl); |
3849 | cb (EV_A_ EV_CHILD, wl); |
3604 | wl = wn; |
3850 | wl = wn; |
3605 | } |
3851 | } |
|
|
3852 | #endif |
3606 | /* EV_STAT 0x00001000 /* stat data changed */ |
3853 | /* EV_STAT 0x00001000 /* stat data changed */ |
3607 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3854 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3608 | } |
3855 | } |
3609 | #endif |
3856 | #endif |
3610 | |
3857 | |
3611 | #if EV_MULTIPLICITY |
3858 | #if EV_MULTIPLICITY |
3612 | #include "ev_wrap.h" |
3859 | #include "ev_wrap.h" |
3613 | #endif |
3860 | #endif |
3614 | |
3861 | |
3615 | #ifdef __cplusplus |
3862 | EV_CPP(}) |
3616 | } |
|
|
3617 | #endif |
|
|
3618 | |
3863 | |