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) 2007,2008,2009,2010,2011 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 |
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|
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> |
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|
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 | |
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|
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__ >= 7)) |
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 |
|
|
398 | extern "C" { |
|
|
399 | # endif |
|
|
400 | int eventfd (unsigned int initval, int flags); |
413 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
401 | # ifdef __cplusplus |
|
|
402 | } |
|
|
403 | # endif |
|
|
404 | #endif |
414 | #endif |
405 | |
415 | |
406 | #if EV_USE_SIGNALFD |
416 | #if EV_USE_SIGNALFD |
407 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
417 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
408 | # include <stdint.h> |
418 | # include <stdint.h> |
… | |
… | |
414 | # define SFD_CLOEXEC O_CLOEXEC |
424 | # define SFD_CLOEXEC O_CLOEXEC |
415 | # else |
425 | # else |
416 | # define SFD_CLOEXEC 02000000 |
426 | # define SFD_CLOEXEC 02000000 |
417 | # endif |
427 | # endif |
418 | # endif |
428 | # endif |
419 | # ifdef __cplusplus |
|
|
420 | extern "C" { |
|
|
421 | # endif |
|
|
422 | int signalfd (int fd, const sigset_t *mask, int flags); |
429 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
423 | |
430 | |
424 | struct signalfd_siginfo |
431 | struct signalfd_siginfo |
425 | { |
432 | { |
426 | uint32_t ssi_signo; |
433 | uint32_t ssi_signo; |
427 | char pad[128 - sizeof (uint32_t)]; |
434 | char pad[128 - sizeof (uint32_t)]; |
428 | }; |
435 | }; |
429 | # ifdef __cplusplus |
|
|
430 | } |
|
|
431 | # endif |
436 | #endif |
432 | #endif |
|
|
433 | |
|
|
434 | |
437 | |
435 | /**/ |
438 | /**/ |
436 | |
439 | |
437 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
438 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
439 | #else |
442 | #else |
440 | # define EV_FREQUENT_CHECK do { } while (0) |
443 | # define EV_FREQUENT_CHECK do { } while (0) |
441 | #endif |
444 | #endif |
442 | |
445 | |
443 | /* |
446 | /* |
… | |
… | |
450 | */ |
453 | */ |
451 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
452 | |
455 | |
453 | #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) */ |
454 | #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) */ |
455 | /*#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) |
456 | |
461 | |
457 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
458 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
459 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
460 | #else |
465 | #else |
… | |
… | |
467 | |
472 | |
468 | #define expect_false(expr) expect ((expr) != 0, 0) |
473 | #define expect_false(expr) expect ((expr) != 0, 0) |
469 | #define expect_true(expr) expect ((expr) != 0, 1) |
474 | #define expect_true(expr) expect ((expr) != 0, 1) |
470 | #define inline_size static inline |
475 | #define inline_size static inline |
471 | |
476 | |
472 | #if EV_MINIMAL |
477 | #if EV_FEATURE_CODE |
|
|
478 | # define inline_speed static inline |
|
|
479 | #else |
473 | # define inline_speed static noinline |
480 | # define inline_speed static noinline |
474 | #else |
|
|
475 | # define inline_speed static inline |
|
|
476 | #endif |
481 | #endif |
477 | |
482 | |
478 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
483 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
479 | |
484 | |
480 | #if EV_MINPRI == EV_MAXPRI |
485 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
493 | #define ev_active(w) ((W)(w))->active |
498 | #define ev_active(w) ((W)(w))->active |
494 | #define ev_at(w) ((WT)(w))->at |
499 | #define ev_at(w) ((WT)(w))->at |
495 | |
500 | |
496 | #if EV_USE_REALTIME |
501 | #if EV_USE_REALTIME |
497 | /* 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 */ |
498 | /* giving it a reasonably high chance of working on typical architetcures */ |
503 | /* giving it a reasonably high chance of working on typical architectures */ |
499 | 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? */ |
500 | #endif |
505 | #endif |
501 | |
506 | |
502 | #if EV_USE_MONOTONIC |
507 | #if EV_USE_MONOTONIC |
503 | 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? */ |
… | |
… | |
505 | |
510 | |
506 | #ifndef EV_FD_TO_WIN32_HANDLE |
511 | #ifndef EV_FD_TO_WIN32_HANDLE |
507 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
512 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
508 | #endif |
513 | #endif |
509 | #ifndef EV_WIN32_HANDLE_TO_FD |
514 | #ifndef EV_WIN32_HANDLE_TO_FD |
510 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0) |
515 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
511 | #endif |
516 | #endif |
512 | #ifndef EV_WIN32_CLOSE_FD |
517 | #ifndef EV_WIN32_CLOSE_FD |
513 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
518 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
514 | #endif |
519 | #endif |
515 | |
520 | |
516 | #ifdef _WIN32 |
521 | #ifdef _WIN32 |
517 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
518 | #endif |
523 | #endif |
519 | |
524 | |
520 | /*****************************************************************************/ |
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 |
521 | |
576 | |
522 | static void (*syserr_cb)(const char *msg); |
577 | static void (*syserr_cb)(const char *msg); |
523 | |
578 | |
524 | void |
579 | void |
525 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
580 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
535 | |
590 | |
536 | if (syserr_cb) |
591 | if (syserr_cb) |
537 | syserr_cb (msg); |
592 | syserr_cb (msg); |
538 | else |
593 | else |
539 | { |
594 | { |
|
|
595 | #if EV_AVOID_STDIO |
|
|
596 | ev_printerr (msg); |
|
|
597 | ev_printerr (": "); |
|
|
598 | ev_printerr (strerror (errno)); |
|
|
599 | ev_printerr ("\n"); |
|
|
600 | #else |
540 | perror (msg); |
601 | perror (msg); |
|
|
602 | #endif |
541 | abort (); |
603 | abort (); |
542 | } |
604 | } |
543 | } |
605 | } |
544 | |
606 | |
545 | static void * |
607 | static void * |
546 | ev_realloc_emul (void *ptr, long size) |
608 | ev_realloc_emul (void *ptr, long size) |
547 | { |
609 | { |
|
|
610 | #if __GLIBC__ |
|
|
611 | return realloc (ptr, size); |
|
|
612 | #else |
548 | /* some systems, notably openbsd and darwin, fail to properly |
613 | /* some systems, notably openbsd and darwin, fail to properly |
549 | * implement realloc (x, 0) (as required by both ansi c-98 and |
614 | * implement realloc (x, 0) (as required by both ansi c-89 and |
550 | * the single unix specification, so work around them here. |
615 | * the single unix specification, so work around them here. |
551 | */ |
616 | */ |
552 | |
617 | |
553 | if (size) |
618 | if (size) |
554 | return realloc (ptr, size); |
619 | return realloc (ptr, size); |
555 | |
620 | |
556 | free (ptr); |
621 | free (ptr); |
557 | return 0; |
622 | return 0; |
|
|
623 | #endif |
558 | } |
624 | } |
559 | |
625 | |
560 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
626 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
561 | |
627 | |
562 | void |
628 | void |
… | |
… | |
570 | { |
636 | { |
571 | ptr = alloc (ptr, size); |
637 | ptr = alloc (ptr, size); |
572 | |
638 | |
573 | if (!ptr && size) |
639 | if (!ptr && size) |
574 | { |
640 | { |
|
|
641 | #if EV_AVOID_STDIO |
|
|
642 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
|
|
643 | #else |
575 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
644 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
|
|
645 | #endif |
576 | abort (); |
646 | abort (); |
577 | } |
647 | } |
578 | |
648 | |
579 | return ptr; |
649 | return ptr; |
580 | } |
650 | } |
… | |
… | |
596 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
666 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
597 | unsigned char unused; |
667 | unsigned char unused; |
598 | #if EV_USE_EPOLL |
668 | #if EV_USE_EPOLL |
599 | unsigned int egen; /* generation counter to counter epoll bugs */ |
669 | unsigned int egen; /* generation counter to counter epoll bugs */ |
600 | #endif |
670 | #endif |
601 | #if EV_SELECT_IS_WINSOCKET |
671 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
602 | SOCKET handle; |
672 | SOCKET handle; |
|
|
673 | #endif |
|
|
674 | #if EV_USE_IOCP |
|
|
675 | OVERLAPPED or, ow; |
603 | #endif |
676 | #endif |
604 | } ANFD; |
677 | } ANFD; |
605 | |
678 | |
606 | /* stores the pending event set for a given watcher */ |
679 | /* stores the pending event set for a given watcher */ |
607 | typedef struct |
680 | typedef struct |
… | |
… | |
662 | |
735 | |
663 | static int ev_default_loop_ptr; |
736 | static int ev_default_loop_ptr; |
664 | |
737 | |
665 | #endif |
738 | #endif |
666 | |
739 | |
667 | #if EV_MINIMAL < 2 |
740 | #if EV_FEATURE_API |
668 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
741 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
669 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
742 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
670 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
743 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
671 | #else |
744 | #else |
672 | # define EV_RELEASE_CB (void)0 |
745 | # define EV_RELEASE_CB (void)0 |
673 | # define EV_ACQUIRE_CB (void)0 |
746 | # define EV_ACQUIRE_CB (void)0 |
674 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
747 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
675 | #endif |
748 | #endif |
676 | |
749 | |
677 | #define EVUNLOOP_RECURSE 0x80 |
750 | #define EVBREAK_RECURSE 0x80 |
678 | |
751 | |
679 | /*****************************************************************************/ |
752 | /*****************************************************************************/ |
680 | |
753 | |
681 | #ifndef EV_HAVE_EV_TIME |
754 | #ifndef EV_HAVE_EV_TIME |
682 | ev_tstamp |
755 | ev_tstamp |
… | |
… | |
726 | if (delay > 0.) |
799 | if (delay > 0.) |
727 | { |
800 | { |
728 | #if EV_USE_NANOSLEEP |
801 | #if EV_USE_NANOSLEEP |
729 | struct timespec ts; |
802 | struct timespec ts; |
730 | |
803 | |
731 | ts.tv_sec = (time_t)delay; |
804 | EV_TS_SET (ts, delay); |
732 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
733 | |
|
|
734 | nanosleep (&ts, 0); |
805 | nanosleep (&ts, 0); |
735 | #elif defined(_WIN32) |
806 | #elif defined(_WIN32) |
736 | Sleep ((unsigned long)(delay * 1e3)); |
807 | Sleep ((unsigned long)(delay * 1e3)); |
737 | #else |
808 | #else |
738 | struct timeval tv; |
809 | struct timeval tv; |
739 | |
810 | |
740 | tv.tv_sec = (time_t)delay; |
|
|
741 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
742 | |
|
|
743 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
811 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
744 | /* something not guaranteed by newer posix versions, but guaranteed */ |
812 | /* something not guaranteed by newer posix versions, but guaranteed */ |
745 | /* by older ones */ |
813 | /* by older ones */ |
|
|
814 | EV_TV_SET (tv, delay); |
746 | select (0, 0, 0, 0, &tv); |
815 | select (0, 0, 0, 0, &tv); |
747 | #endif |
816 | #endif |
748 | } |
817 | } |
749 | } |
818 | } |
750 | |
819 | |
|
|
820 | inline_speed int |
|
|
821 | ev_timeout_to_ms (ev_tstamp timeout) |
|
|
822 | { |
|
|
823 | int ms = timeout * 1000. + .999999; |
|
|
824 | |
|
|
825 | return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1; |
|
|
826 | } |
|
|
827 | |
751 | /*****************************************************************************/ |
828 | /*****************************************************************************/ |
752 | |
829 | |
753 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
830 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
754 | |
831 | |
755 | /* find a suitable new size for the given array, */ |
832 | /* find a suitable new size for the given array, */ |
756 | /* hopefully by rounding to a ncie-to-malloc size */ |
833 | /* hopefully by rounding to a nice-to-malloc size */ |
757 | inline_size int |
834 | inline_size int |
758 | array_nextsize (int elem, int cur, int cnt) |
835 | array_nextsize (int elem, int cur, int cnt) |
759 | { |
836 | { |
760 | int ncur = cur + 1; |
837 | int ncur = cur + 1; |
761 | |
838 | |
… | |
… | |
857 | } |
934 | } |
858 | |
935 | |
859 | /*****************************************************************************/ |
936 | /*****************************************************************************/ |
860 | |
937 | |
861 | inline_speed void |
938 | inline_speed void |
862 | fd_event_nc (EV_P_ int fd, int revents) |
939 | fd_event_nocheck (EV_P_ int fd, int revents) |
863 | { |
940 | { |
864 | ANFD *anfd = anfds + fd; |
941 | ANFD *anfd = anfds + fd; |
865 | ev_io *w; |
942 | ev_io *w; |
866 | |
943 | |
867 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
944 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
879 | fd_event (EV_P_ int fd, int revents) |
956 | fd_event (EV_P_ int fd, int revents) |
880 | { |
957 | { |
881 | ANFD *anfd = anfds + fd; |
958 | ANFD *anfd = anfds + fd; |
882 | |
959 | |
883 | if (expect_true (!anfd->reify)) |
960 | if (expect_true (!anfd->reify)) |
884 | fd_event_nc (EV_A_ fd, revents); |
961 | fd_event_nocheck (EV_A_ fd, revents); |
885 | } |
962 | } |
886 | |
963 | |
887 | void |
964 | void |
888 | ev_feed_fd_event (EV_P_ int fd, int revents) |
965 | ev_feed_fd_event (EV_P_ int fd, int revents) |
889 | { |
966 | { |
890 | if (fd >= 0 && fd < anfdmax) |
967 | if (fd >= 0 && fd < anfdmax) |
891 | fd_event_nc (EV_A_ fd, revents); |
968 | fd_event_nocheck (EV_A_ fd, revents); |
892 | } |
969 | } |
893 | |
970 | |
894 | /* make sure the external fd watch events are in-sync */ |
971 | /* make sure the external fd watch events are in-sync */ |
895 | /* with the kernel/libev internal state */ |
972 | /* with the kernel/libev internal state */ |
896 | inline_size void |
973 | inline_size void |
… | |
… | |
902 | { |
979 | { |
903 | int fd = fdchanges [i]; |
980 | int fd = fdchanges [i]; |
904 | ANFD *anfd = anfds + fd; |
981 | ANFD *anfd = anfds + fd; |
905 | ev_io *w; |
982 | ev_io *w; |
906 | |
983 | |
907 | unsigned char events = 0; |
984 | unsigned char o_events = anfd->events; |
|
|
985 | unsigned char o_reify = anfd->reify; |
908 | |
986 | |
909 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
987 | anfd->reify = 0; |
910 | events |= (unsigned char)w->events; |
|
|
911 | |
988 | |
912 | #if EV_SELECT_IS_WINSOCKET |
989 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
913 | if (events) |
990 | if (o_reify & EV__IOFDSET) |
914 | { |
991 | { |
915 | unsigned long arg; |
992 | unsigned long arg; |
916 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
993 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
917 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
994 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
995 | printf ("oi %d %x\n", fd, anfd->handle);//D |
918 | } |
996 | } |
919 | #endif |
997 | #endif |
920 | |
998 | |
|
|
999 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
921 | { |
1000 | { |
922 | unsigned char o_events = anfd->events; |
|
|
923 | unsigned char o_reify = anfd->reify; |
|
|
924 | |
|
|
925 | anfd->reify = 0; |
|
|
926 | anfd->events = events; |
1001 | anfd->events = 0; |
927 | |
1002 | |
928 | if (o_events != events || o_reify & EV__IOFDSET) |
1003 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
1004 | anfd->events |= (unsigned char)w->events; |
|
|
1005 | |
|
|
1006 | if (o_events != anfd->events) |
|
|
1007 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
1008 | } |
|
|
1009 | |
|
|
1010 | if (o_reify & EV__IOFDSET) |
929 | backend_modify (EV_A_ fd, o_events, events); |
1011 | backend_modify (EV_A_ fd, o_events, anfd->events); |
930 | } |
|
|
931 | } |
1012 | } |
932 | |
1013 | |
933 | fdchangecnt = 0; |
1014 | fdchangecnt = 0; |
934 | } |
1015 | } |
935 | |
1016 | |
… | |
… | |
959 | ev_io_stop (EV_A_ w); |
1040 | ev_io_stop (EV_A_ w); |
960 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1041 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
961 | } |
1042 | } |
962 | } |
1043 | } |
963 | |
1044 | |
964 | /* check whether the given fd is atcually valid, for error recovery */ |
1045 | /* check whether the given fd is actually valid, for error recovery */ |
965 | inline_size int |
1046 | inline_size int |
966 | fd_valid (int fd) |
1047 | fd_valid (int fd) |
967 | { |
1048 | { |
968 | #ifdef _WIN32 |
1049 | #ifdef _WIN32 |
969 | return _get_osfhandle (fd) != -1; |
1050 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
970 | #else |
1051 | #else |
971 | return fcntl (fd, F_GETFD) != -1; |
1052 | return fcntl (fd, F_GETFD) != -1; |
972 | #endif |
1053 | #endif |
973 | } |
1054 | } |
974 | |
1055 | |
… | |
… | |
1011 | anfds [fd].emask = 0; |
1092 | anfds [fd].emask = 0; |
1012 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1093 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1013 | } |
1094 | } |
1014 | } |
1095 | } |
1015 | |
1096 | |
|
|
1097 | /* used to prepare libev internal fd's */ |
|
|
1098 | /* this is not fork-safe */ |
|
|
1099 | inline_speed void |
|
|
1100 | fd_intern (int fd) |
|
|
1101 | { |
|
|
1102 | #ifdef _WIN32 |
|
|
1103 | unsigned long arg = 1; |
|
|
1104 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1105 | #else |
|
|
1106 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1107 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1108 | #endif |
|
|
1109 | } |
|
|
1110 | |
1016 | /*****************************************************************************/ |
1111 | /*****************************************************************************/ |
1017 | |
1112 | |
1018 | /* |
1113 | /* |
1019 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1114 | * the heap functions want a real array index. array index 0 is guaranteed to not |
1020 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1115 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1021 | * the branching factor of the d-tree. |
1116 | * the branching factor of the d-tree. |
1022 | */ |
1117 | */ |
1023 | |
1118 | |
1024 | /* |
1119 | /* |
… | |
… | |
1172 | |
1267 | |
1173 | static ANSIG signals [EV_NSIG - 1]; |
1268 | static ANSIG signals [EV_NSIG - 1]; |
1174 | |
1269 | |
1175 | /*****************************************************************************/ |
1270 | /*****************************************************************************/ |
1176 | |
1271 | |
1177 | /* used to prepare libev internal fd's */ |
1272 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1178 | /* this is not fork-safe */ |
|
|
1179 | inline_speed void |
|
|
1180 | fd_intern (int fd) |
|
|
1181 | { |
|
|
1182 | #ifdef _WIN32 |
|
|
1183 | unsigned long arg = 1; |
|
|
1184 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1185 | #else |
|
|
1186 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1187 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1188 | #endif |
|
|
1189 | } |
|
|
1190 | |
1273 | |
1191 | static void noinline |
1274 | static void noinline |
1192 | evpipe_init (EV_P) |
1275 | evpipe_init (EV_P) |
1193 | { |
1276 | { |
1194 | if (!ev_is_active (&pipe_w)) |
1277 | if (!ev_is_active (&pipe_w)) |
1195 | { |
1278 | { |
1196 | #if EV_USE_EVENTFD |
1279 | # if EV_USE_EVENTFD |
1197 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1280 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1198 | if (evfd < 0 && errno == EINVAL) |
1281 | if (evfd < 0 && errno == EINVAL) |
1199 | evfd = eventfd (0, 0); |
1282 | evfd = eventfd (0, 0); |
1200 | |
1283 | |
1201 | if (evfd >= 0) |
1284 | if (evfd >= 0) |
… | |
… | |
1203 | evpipe [0] = -1; |
1286 | evpipe [0] = -1; |
1204 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1287 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1205 | ev_io_set (&pipe_w, evfd, EV_READ); |
1288 | ev_io_set (&pipe_w, evfd, EV_READ); |
1206 | } |
1289 | } |
1207 | else |
1290 | else |
1208 | #endif |
1291 | # endif |
1209 | { |
1292 | { |
1210 | while (pipe (evpipe)) |
1293 | while (pipe (evpipe)) |
1211 | ev_syserr ("(libev) error creating signal/async pipe"); |
1294 | ev_syserr ("(libev) error creating signal/async pipe"); |
1212 | |
1295 | |
1213 | fd_intern (evpipe [0]); |
1296 | fd_intern (evpipe [0]); |
… | |
… | |
1224 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1307 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1225 | { |
1308 | { |
1226 | if (!*flag) |
1309 | if (!*flag) |
1227 | { |
1310 | { |
1228 | int old_errno = errno; /* save errno because write might clobber it */ |
1311 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1312 | char dummy; |
1229 | |
1313 | |
1230 | *flag = 1; |
1314 | *flag = 1; |
1231 | |
1315 | |
1232 | #if EV_USE_EVENTFD |
1316 | #if EV_USE_EVENTFD |
1233 | if (evfd >= 0) |
1317 | if (evfd >= 0) |
… | |
… | |
1235 | uint64_t counter = 1; |
1319 | uint64_t counter = 1; |
1236 | write (evfd, &counter, sizeof (uint64_t)); |
1320 | write (evfd, &counter, sizeof (uint64_t)); |
1237 | } |
1321 | } |
1238 | else |
1322 | else |
1239 | #endif |
1323 | #endif |
|
|
1324 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1325 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1326 | /* so when you think this write should be a send instead, please find out */ |
|
|
1327 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1328 | /* tell me. thank you. */ |
1240 | write (evpipe [1], &old_errno, 1); |
1329 | write (evpipe [1], &dummy, 1); |
1241 | |
1330 | |
1242 | errno = old_errno; |
1331 | errno = old_errno; |
1243 | } |
1332 | } |
1244 | } |
1333 | } |
1245 | |
1334 | |
… | |
… | |
1258 | } |
1347 | } |
1259 | else |
1348 | else |
1260 | #endif |
1349 | #endif |
1261 | { |
1350 | { |
1262 | char dummy; |
1351 | char dummy; |
|
|
1352 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1263 | read (evpipe [0], &dummy, 1); |
1353 | read (evpipe [0], &dummy, 1); |
1264 | } |
1354 | } |
1265 | |
1355 | |
1266 | if (sig_pending) |
1356 | if (sig_pending) |
1267 | { |
1357 | { |
… | |
… | |
1287 | #endif |
1377 | #endif |
1288 | } |
1378 | } |
1289 | |
1379 | |
1290 | /*****************************************************************************/ |
1380 | /*****************************************************************************/ |
1291 | |
1381 | |
|
|
1382 | void |
|
|
1383 | ev_feed_signal (int signum) |
|
|
1384 | { |
|
|
1385 | #if EV_MULTIPLICITY |
|
|
1386 | EV_P = signals [signum - 1].loop; |
|
|
1387 | |
|
|
1388 | if (!EV_A) |
|
|
1389 | return; |
|
|
1390 | #endif |
|
|
1391 | |
|
|
1392 | signals [signum - 1].pending = 1; |
|
|
1393 | evpipe_write (EV_A_ &sig_pending); |
|
|
1394 | } |
|
|
1395 | |
1292 | static void |
1396 | static void |
1293 | ev_sighandler (int signum) |
1397 | ev_sighandler (int signum) |
1294 | { |
1398 | { |
1295 | #if EV_MULTIPLICITY |
|
|
1296 | EV_P = signals [signum - 1].loop; |
|
|
1297 | #endif |
|
|
1298 | |
|
|
1299 | #if _WIN32 |
1399 | #ifdef _WIN32 |
1300 | signal (signum, ev_sighandler); |
1400 | signal (signum, ev_sighandler); |
1301 | #endif |
1401 | #endif |
1302 | |
1402 | |
1303 | signals [signum - 1].pending = 1; |
1403 | ev_feed_signal (signum); |
1304 | evpipe_write (EV_A_ &sig_pending); |
|
|
1305 | } |
1404 | } |
1306 | |
1405 | |
1307 | void noinline |
1406 | void noinline |
1308 | ev_feed_signal_event (EV_P_ int signum) |
1407 | ev_feed_signal_event (EV_P_ int signum) |
1309 | { |
1408 | { |
… | |
… | |
1346 | break; |
1445 | break; |
1347 | } |
1446 | } |
1348 | } |
1447 | } |
1349 | #endif |
1448 | #endif |
1350 | |
1449 | |
|
|
1450 | #endif |
|
|
1451 | |
1351 | /*****************************************************************************/ |
1452 | /*****************************************************************************/ |
1352 | |
1453 | |
|
|
1454 | #if EV_CHILD_ENABLE |
1353 | static WL childs [EV_PID_HASHSIZE]; |
1455 | static WL childs [EV_PID_HASHSIZE]; |
1354 | |
|
|
1355 | #ifndef _WIN32 |
|
|
1356 | |
1456 | |
1357 | static ev_signal childev; |
1457 | static ev_signal childev; |
1358 | |
1458 | |
1359 | #ifndef WIFCONTINUED |
1459 | #ifndef WIFCONTINUED |
1360 | # define WIFCONTINUED(status) 0 |
1460 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1365 | child_reap (EV_P_ int chain, int pid, int status) |
1465 | child_reap (EV_P_ int chain, int pid, int status) |
1366 | { |
1466 | { |
1367 | ev_child *w; |
1467 | ev_child *w; |
1368 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1468 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1369 | |
1469 | |
1370 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1470 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1371 | { |
1471 | { |
1372 | if ((w->pid == pid || !w->pid) |
1472 | if ((w->pid == pid || !w->pid) |
1373 | && (!traced || (w->flags & 1))) |
1473 | && (!traced || (w->flags & 1))) |
1374 | { |
1474 | { |
1375 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1475 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1400 | /* make sure we are called again until all children have been reaped */ |
1500 | /* make sure we are called again until all children have been reaped */ |
1401 | /* we need to do it this way so that the callback gets called before we continue */ |
1501 | /* we need to do it this way so that the callback gets called before we continue */ |
1402 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1502 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1403 | |
1503 | |
1404 | child_reap (EV_A_ pid, pid, status); |
1504 | child_reap (EV_A_ pid, pid, status); |
1405 | if (EV_PID_HASHSIZE > 1) |
1505 | if ((EV_PID_HASHSIZE) > 1) |
1406 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1506 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1407 | } |
1507 | } |
1408 | |
1508 | |
1409 | #endif |
1509 | #endif |
1410 | |
1510 | |
1411 | /*****************************************************************************/ |
1511 | /*****************************************************************************/ |
1412 | |
1512 | |
|
|
1513 | #if EV_USE_IOCP |
|
|
1514 | # include "ev_iocp.c" |
|
|
1515 | #endif |
1413 | #if EV_USE_PORT |
1516 | #if EV_USE_PORT |
1414 | # include "ev_port.c" |
1517 | # include "ev_port.c" |
1415 | #endif |
1518 | #endif |
1416 | #if EV_USE_KQUEUE |
1519 | #if EV_USE_KQUEUE |
1417 | # include "ev_kqueue.c" |
1520 | # include "ev_kqueue.c" |
… | |
… | |
1477 | #ifdef __APPLE__ |
1580 | #ifdef __APPLE__ |
1478 | /* only select works correctly on that "unix-certified" platform */ |
1581 | /* only select works correctly on that "unix-certified" platform */ |
1479 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1582 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1480 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1583 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1481 | #endif |
1584 | #endif |
|
|
1585 | #ifdef __FreeBSD__ |
|
|
1586 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1587 | #endif |
1482 | |
1588 | |
1483 | return flags; |
1589 | return flags; |
1484 | } |
1590 | } |
1485 | |
1591 | |
1486 | unsigned int |
1592 | unsigned int |
1487 | ev_embeddable_backends (void) |
1593 | ev_embeddable_backends (void) |
1488 | { |
1594 | { |
1489 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1595 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1490 | |
1596 | |
1491 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1597 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1492 | /* please fix it and tell me how to detect the fix */ |
1598 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1493 | flags &= ~EVBACKEND_EPOLL; |
1599 | flags &= ~EVBACKEND_EPOLL; |
1494 | |
1600 | |
1495 | return flags; |
1601 | return flags; |
1496 | } |
1602 | } |
1497 | |
1603 | |
1498 | unsigned int |
1604 | unsigned int |
1499 | ev_backend (EV_P) |
1605 | ev_backend (EV_P) |
1500 | { |
1606 | { |
1501 | return backend; |
1607 | return backend; |
1502 | } |
1608 | } |
1503 | |
1609 | |
1504 | #if EV_MINIMAL < 2 |
1610 | #if EV_FEATURE_API |
1505 | unsigned int |
1611 | unsigned int |
1506 | ev_loop_count (EV_P) |
1612 | ev_iteration (EV_P) |
1507 | { |
1613 | { |
1508 | return loop_count; |
1614 | return loop_count; |
1509 | } |
1615 | } |
1510 | |
1616 | |
1511 | unsigned int |
1617 | unsigned int |
1512 | ev_loop_depth (EV_P) |
1618 | ev_depth (EV_P) |
1513 | { |
1619 | { |
1514 | return loop_depth; |
1620 | return loop_depth; |
1515 | } |
1621 | } |
1516 | |
1622 | |
1517 | void |
1623 | void |
… | |
… | |
1554 | static void noinline |
1660 | static void noinline |
1555 | loop_init (EV_P_ unsigned int flags) |
1661 | loop_init (EV_P_ unsigned int flags) |
1556 | { |
1662 | { |
1557 | if (!backend) |
1663 | if (!backend) |
1558 | { |
1664 | { |
|
|
1665 | origflags = flags; |
|
|
1666 | |
1559 | #if EV_USE_REALTIME |
1667 | #if EV_USE_REALTIME |
1560 | if (!have_realtime) |
1668 | if (!have_realtime) |
1561 | { |
1669 | { |
1562 | struct timespec ts; |
1670 | struct timespec ts; |
1563 | |
1671 | |
… | |
… | |
1589 | |
1697 | |
1590 | ev_rt_now = ev_time (); |
1698 | ev_rt_now = ev_time (); |
1591 | mn_now = get_clock (); |
1699 | mn_now = get_clock (); |
1592 | now_floor = mn_now; |
1700 | now_floor = mn_now; |
1593 | rtmn_diff = ev_rt_now - mn_now; |
1701 | rtmn_diff = ev_rt_now - mn_now; |
1594 | #if EV_MINIMAL < 2 |
1702 | #if EV_FEATURE_API |
1595 | invoke_cb = ev_invoke_pending; |
1703 | invoke_cb = ev_invoke_pending; |
1596 | #endif |
1704 | #endif |
1597 | |
1705 | |
1598 | io_blocktime = 0.; |
1706 | io_blocktime = 0.; |
1599 | timeout_blocktime = 0.; |
1707 | timeout_blocktime = 0.; |
… | |
… | |
1605 | #endif |
1713 | #endif |
1606 | #if EV_USE_INOTIFY |
1714 | #if EV_USE_INOTIFY |
1607 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1715 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1608 | #endif |
1716 | #endif |
1609 | #if EV_USE_SIGNALFD |
1717 | #if EV_USE_SIGNALFD |
1610 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1718 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1611 | #endif |
1719 | #endif |
1612 | |
1720 | |
1613 | if (!(flags & 0x0000ffffU)) |
1721 | if (!(flags & EVBACKEND_MASK)) |
1614 | flags |= ev_recommended_backends (); |
1722 | flags |= ev_recommended_backends (); |
1615 | |
1723 | |
|
|
1724 | #if EV_USE_IOCP |
|
|
1725 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1726 | #endif |
1616 | #if EV_USE_PORT |
1727 | #if EV_USE_PORT |
1617 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1728 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1618 | #endif |
1729 | #endif |
1619 | #if EV_USE_KQUEUE |
1730 | #if EV_USE_KQUEUE |
1620 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1731 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1629 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1740 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1630 | #endif |
1741 | #endif |
1631 | |
1742 | |
1632 | ev_prepare_init (&pending_w, pendingcb); |
1743 | ev_prepare_init (&pending_w, pendingcb); |
1633 | |
1744 | |
|
|
1745 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1634 | ev_init (&pipe_w, pipecb); |
1746 | ev_init (&pipe_w, pipecb); |
1635 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1747 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1748 | #endif |
1636 | } |
1749 | } |
1637 | } |
1750 | } |
1638 | |
1751 | |
1639 | /* free up a loop structure */ |
1752 | /* free up a loop structure */ |
1640 | static void noinline |
1753 | void |
1641 | loop_destroy (EV_P) |
1754 | ev_loop_destroy (EV_P) |
1642 | { |
1755 | { |
1643 | int i; |
1756 | int i; |
|
|
1757 | |
|
|
1758 | #if EV_MULTIPLICITY |
|
|
1759 | /* mimic free (0) */ |
|
|
1760 | if (!EV_A) |
|
|
1761 | return; |
|
|
1762 | #endif |
|
|
1763 | |
|
|
1764 | #if EV_CLEANUP_ENABLE |
|
|
1765 | /* queue cleanup watchers (and execute them) */ |
|
|
1766 | if (expect_false (cleanupcnt)) |
|
|
1767 | { |
|
|
1768 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1769 | EV_INVOKE_PENDING; |
|
|
1770 | } |
|
|
1771 | #endif |
|
|
1772 | |
|
|
1773 | #if EV_CHILD_ENABLE |
|
|
1774 | if (ev_is_active (&childev)) |
|
|
1775 | { |
|
|
1776 | ev_ref (EV_A); /* child watcher */ |
|
|
1777 | ev_signal_stop (EV_A_ &childev); |
|
|
1778 | } |
|
|
1779 | #endif |
1644 | |
1780 | |
1645 | if (ev_is_active (&pipe_w)) |
1781 | if (ev_is_active (&pipe_w)) |
1646 | { |
1782 | { |
1647 | /*ev_ref (EV_A);*/ |
1783 | /*ev_ref (EV_A);*/ |
1648 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1784 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1659 | } |
1795 | } |
1660 | } |
1796 | } |
1661 | |
1797 | |
1662 | #if EV_USE_SIGNALFD |
1798 | #if EV_USE_SIGNALFD |
1663 | if (ev_is_active (&sigfd_w)) |
1799 | if (ev_is_active (&sigfd_w)) |
1664 | { |
|
|
1665 | /*ev_ref (EV_A);*/ |
|
|
1666 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1667 | |
|
|
1668 | close (sigfd); |
1800 | close (sigfd); |
1669 | } |
|
|
1670 | #endif |
1801 | #endif |
1671 | |
1802 | |
1672 | #if EV_USE_INOTIFY |
1803 | #if EV_USE_INOTIFY |
1673 | if (fs_fd >= 0) |
1804 | if (fs_fd >= 0) |
1674 | close (fs_fd); |
1805 | close (fs_fd); |
1675 | #endif |
1806 | #endif |
1676 | |
1807 | |
1677 | if (backend_fd >= 0) |
1808 | if (backend_fd >= 0) |
1678 | close (backend_fd); |
1809 | close (backend_fd); |
1679 | |
1810 | |
|
|
1811 | #if EV_USE_IOCP |
|
|
1812 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1813 | #endif |
1680 | #if EV_USE_PORT |
1814 | #if EV_USE_PORT |
1681 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1815 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1682 | #endif |
1816 | #endif |
1683 | #if EV_USE_KQUEUE |
1817 | #if EV_USE_KQUEUE |
1684 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1818 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1711 | array_free (periodic, EMPTY); |
1845 | array_free (periodic, EMPTY); |
1712 | #endif |
1846 | #endif |
1713 | #if EV_FORK_ENABLE |
1847 | #if EV_FORK_ENABLE |
1714 | array_free (fork, EMPTY); |
1848 | array_free (fork, EMPTY); |
1715 | #endif |
1849 | #endif |
|
|
1850 | #if EV_CLEANUP_ENABLE |
|
|
1851 | array_free (cleanup, EMPTY); |
|
|
1852 | #endif |
1716 | array_free (prepare, EMPTY); |
1853 | array_free (prepare, EMPTY); |
1717 | array_free (check, EMPTY); |
1854 | array_free (check, EMPTY); |
1718 | #if EV_ASYNC_ENABLE |
1855 | #if EV_ASYNC_ENABLE |
1719 | array_free (async, EMPTY); |
1856 | array_free (async, EMPTY); |
1720 | #endif |
1857 | #endif |
1721 | |
1858 | |
1722 | backend = 0; |
1859 | backend = 0; |
|
|
1860 | |
|
|
1861 | #if EV_MULTIPLICITY |
|
|
1862 | if (ev_is_default_loop (EV_A)) |
|
|
1863 | #endif |
|
|
1864 | ev_default_loop_ptr = 0; |
|
|
1865 | #if EV_MULTIPLICITY |
|
|
1866 | else |
|
|
1867 | ev_free (EV_A); |
|
|
1868 | #endif |
1723 | } |
1869 | } |
1724 | |
1870 | |
1725 | #if EV_USE_INOTIFY |
1871 | #if EV_USE_INOTIFY |
1726 | inline_size void infy_fork (EV_P); |
1872 | inline_size void infy_fork (EV_P); |
1727 | #endif |
1873 | #endif |
… | |
… | |
1763 | { |
1909 | { |
1764 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1910 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1765 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1911 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1766 | } |
1912 | } |
1767 | |
1913 | |
|
|
1914 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1768 | evpipe_init (EV_A); |
1915 | evpipe_init (EV_A); |
1769 | /* now iterate over everything, in case we missed something */ |
1916 | /* now iterate over everything, in case we missed something */ |
1770 | pipecb (EV_A_ &pipe_w, EV_READ); |
1917 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1918 | #endif |
1771 | } |
1919 | } |
1772 | |
1920 | |
1773 | postfork = 0; |
1921 | postfork = 0; |
1774 | } |
1922 | } |
1775 | |
1923 | |
… | |
… | |
1784 | loop_init (EV_A_ flags); |
1932 | loop_init (EV_A_ flags); |
1785 | |
1933 | |
1786 | if (ev_backend (EV_A)) |
1934 | if (ev_backend (EV_A)) |
1787 | return EV_A; |
1935 | return EV_A; |
1788 | |
1936 | |
|
|
1937 | ev_free (EV_A); |
1789 | return 0; |
1938 | return 0; |
1790 | } |
1939 | } |
1791 | |
1940 | |
1792 | void |
|
|
1793 | ev_loop_destroy (EV_P) |
|
|
1794 | { |
|
|
1795 | loop_destroy (EV_A); |
|
|
1796 | ev_free (loop); |
|
|
1797 | } |
|
|
1798 | |
|
|
1799 | void |
|
|
1800 | ev_loop_fork (EV_P) |
|
|
1801 | { |
|
|
1802 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1803 | } |
|
|
1804 | #endif /* multiplicity */ |
1941 | #endif /* multiplicity */ |
1805 | |
1942 | |
1806 | #if EV_VERIFY |
1943 | #if EV_VERIFY |
1807 | static void noinline |
1944 | static void noinline |
1808 | verify_watcher (EV_P_ W w) |
1945 | verify_watcher (EV_P_ W w) |
… | |
… | |
1837 | verify_watcher (EV_A_ ws [cnt]); |
1974 | verify_watcher (EV_A_ ws [cnt]); |
1838 | } |
1975 | } |
1839 | } |
1976 | } |
1840 | #endif |
1977 | #endif |
1841 | |
1978 | |
1842 | #if EV_MINIMAL < 2 |
1979 | #if EV_FEATURE_API |
1843 | void |
1980 | void |
1844 | ev_loop_verify (EV_P) |
1981 | ev_verify (EV_P) |
1845 | { |
1982 | { |
1846 | #if EV_VERIFY |
1983 | #if EV_VERIFY |
1847 | int i; |
1984 | int i; |
1848 | WL w; |
1985 | WL w; |
1849 | |
1986 | |
… | |
… | |
1883 | #if EV_FORK_ENABLE |
2020 | #if EV_FORK_ENABLE |
1884 | assert (forkmax >= forkcnt); |
2021 | assert (forkmax >= forkcnt); |
1885 | array_verify (EV_A_ (W *)forks, forkcnt); |
2022 | array_verify (EV_A_ (W *)forks, forkcnt); |
1886 | #endif |
2023 | #endif |
1887 | |
2024 | |
|
|
2025 | #if EV_CLEANUP_ENABLE |
|
|
2026 | assert (cleanupmax >= cleanupcnt); |
|
|
2027 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2028 | #endif |
|
|
2029 | |
1888 | #if EV_ASYNC_ENABLE |
2030 | #if EV_ASYNC_ENABLE |
1889 | assert (asyncmax >= asynccnt); |
2031 | assert (asyncmax >= asynccnt); |
1890 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2032 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1891 | #endif |
2033 | #endif |
1892 | |
2034 | |
|
|
2035 | #if EV_PREPARE_ENABLE |
1893 | assert (preparemax >= preparecnt); |
2036 | assert (preparemax >= preparecnt); |
1894 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2037 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2038 | #endif |
1895 | |
2039 | |
|
|
2040 | #if EV_CHECK_ENABLE |
1896 | assert (checkmax >= checkcnt); |
2041 | assert (checkmax >= checkcnt); |
1897 | array_verify (EV_A_ (W *)checks, checkcnt); |
2042 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2043 | #endif |
1898 | |
2044 | |
1899 | # if 0 |
2045 | # if 0 |
|
|
2046 | #if EV_CHILD_ENABLE |
1900 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2047 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1901 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
2048 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2049 | #endif |
1902 | # endif |
2050 | # endif |
1903 | #endif |
2051 | #endif |
1904 | } |
2052 | } |
1905 | #endif |
2053 | #endif |
1906 | |
2054 | |
1907 | #if EV_MULTIPLICITY |
2055 | #if EV_MULTIPLICITY |
1908 | struct ev_loop * |
2056 | struct ev_loop * |
1909 | ev_default_loop_init (unsigned int flags) |
|
|
1910 | #else |
2057 | #else |
1911 | int |
2058 | int |
|
|
2059 | #endif |
1912 | ev_default_loop (unsigned int flags) |
2060 | ev_default_loop (unsigned int flags) |
1913 | #endif |
|
|
1914 | { |
2061 | { |
1915 | if (!ev_default_loop_ptr) |
2062 | if (!ev_default_loop_ptr) |
1916 | { |
2063 | { |
1917 | #if EV_MULTIPLICITY |
2064 | #if EV_MULTIPLICITY |
1918 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2065 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1922 | |
2069 | |
1923 | loop_init (EV_A_ flags); |
2070 | loop_init (EV_A_ flags); |
1924 | |
2071 | |
1925 | if (ev_backend (EV_A)) |
2072 | if (ev_backend (EV_A)) |
1926 | { |
2073 | { |
1927 | #ifndef _WIN32 |
2074 | #if EV_CHILD_ENABLE |
1928 | ev_signal_init (&childev, childcb, SIGCHLD); |
2075 | ev_signal_init (&childev, childcb, SIGCHLD); |
1929 | ev_set_priority (&childev, EV_MAXPRI); |
2076 | ev_set_priority (&childev, EV_MAXPRI); |
1930 | ev_signal_start (EV_A_ &childev); |
2077 | ev_signal_start (EV_A_ &childev); |
1931 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2078 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1932 | #endif |
2079 | #endif |
… | |
… | |
1937 | |
2084 | |
1938 | return ev_default_loop_ptr; |
2085 | return ev_default_loop_ptr; |
1939 | } |
2086 | } |
1940 | |
2087 | |
1941 | void |
2088 | void |
1942 | ev_default_destroy (void) |
2089 | ev_loop_fork (EV_P) |
1943 | { |
2090 | { |
1944 | #if EV_MULTIPLICITY |
|
|
1945 | EV_P = ev_default_loop_ptr; |
|
|
1946 | #endif |
|
|
1947 | |
|
|
1948 | ev_default_loop_ptr = 0; |
|
|
1949 | |
|
|
1950 | #ifndef _WIN32 |
|
|
1951 | ev_ref (EV_A); /* child watcher */ |
|
|
1952 | ev_signal_stop (EV_A_ &childev); |
|
|
1953 | #endif |
|
|
1954 | |
|
|
1955 | loop_destroy (EV_A); |
|
|
1956 | } |
|
|
1957 | |
|
|
1958 | void |
|
|
1959 | ev_default_fork (void) |
|
|
1960 | { |
|
|
1961 | #if EV_MULTIPLICITY |
|
|
1962 | EV_P = ev_default_loop_ptr; |
|
|
1963 | #endif |
|
|
1964 | |
|
|
1965 | postfork = 1; /* must be in line with ev_loop_fork */ |
2091 | postfork = 1; /* must be in line with ev_default_fork */ |
1966 | } |
2092 | } |
1967 | |
2093 | |
1968 | /*****************************************************************************/ |
2094 | /*****************************************************************************/ |
1969 | |
2095 | |
1970 | void |
2096 | void |
… | |
… | |
1992 | |
2118 | |
1993 | for (pri = NUMPRI; pri--; ) |
2119 | for (pri = NUMPRI; pri--; ) |
1994 | while (pendingcnt [pri]) |
2120 | while (pendingcnt [pri]) |
1995 | { |
2121 | { |
1996 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2122 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1997 | |
|
|
1998 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1999 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
2000 | |
2123 | |
2001 | p->w->pending = 0; |
2124 | p->w->pending = 0; |
2002 | EV_CB_INVOKE (p->w, p->events); |
2125 | EV_CB_INVOKE (p->w, p->events); |
2003 | EV_FREQUENT_CHECK; |
2126 | EV_FREQUENT_CHECK; |
2004 | } |
2127 | } |
… | |
… | |
2061 | EV_FREQUENT_CHECK; |
2184 | EV_FREQUENT_CHECK; |
2062 | feed_reverse (EV_A_ (W)w); |
2185 | feed_reverse (EV_A_ (W)w); |
2063 | } |
2186 | } |
2064 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2187 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2065 | |
2188 | |
2066 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2189 | feed_reverse_done (EV_A_ EV_TIMER); |
2067 | } |
2190 | } |
2068 | } |
2191 | } |
2069 | |
2192 | |
2070 | #if EV_PERIODIC_ENABLE |
2193 | #if EV_PERIODIC_ENABLE |
2071 | /* make periodics pending */ |
2194 | /* make periodics pending */ |
… | |
… | |
2124 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2247 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2125 | } |
2248 | } |
2126 | } |
2249 | } |
2127 | |
2250 | |
2128 | /* simply recalculate all periodics */ |
2251 | /* simply recalculate all periodics */ |
2129 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2252 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2130 | static void noinline |
2253 | static void noinline |
2131 | periodics_reschedule (EV_P) |
2254 | periodics_reschedule (EV_P) |
2132 | { |
2255 | { |
2133 | int i; |
2256 | int i; |
2134 | |
2257 | |
… | |
… | |
2162 | ANHE_at_cache (*he); |
2285 | ANHE_at_cache (*he); |
2163 | } |
2286 | } |
2164 | } |
2287 | } |
2165 | |
2288 | |
2166 | /* fetch new monotonic and realtime times from the kernel */ |
2289 | /* fetch new monotonic and realtime times from the kernel */ |
2167 | /* also detetc if there was a timejump, and act accordingly */ |
2290 | /* also detect if there was a timejump, and act accordingly */ |
2168 | inline_speed void |
2291 | inline_speed void |
2169 | time_update (EV_P_ ev_tstamp max_block) |
2292 | time_update (EV_P_ ev_tstamp max_block) |
2170 | { |
2293 | { |
2171 | #if EV_USE_MONOTONIC |
2294 | #if EV_USE_MONOTONIC |
2172 | if (expect_true (have_monotonic)) |
2295 | if (expect_true (have_monotonic)) |
… | |
… | |
2230 | mn_now = ev_rt_now; |
2353 | mn_now = ev_rt_now; |
2231 | } |
2354 | } |
2232 | } |
2355 | } |
2233 | |
2356 | |
2234 | void |
2357 | void |
2235 | ev_loop (EV_P_ int flags) |
2358 | ev_run (EV_P_ int flags) |
2236 | { |
2359 | { |
2237 | #if EV_MINIMAL < 2 |
2360 | #if EV_FEATURE_API |
2238 | ++loop_depth; |
2361 | ++loop_depth; |
2239 | #endif |
2362 | #endif |
2240 | |
2363 | |
2241 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2364 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2242 | |
2365 | |
2243 | loop_done = EVUNLOOP_CANCEL; |
2366 | loop_done = EVBREAK_CANCEL; |
2244 | |
2367 | |
2245 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2368 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2246 | |
2369 | |
2247 | do |
2370 | do |
2248 | { |
2371 | { |
2249 | #if EV_VERIFY >= 2 |
2372 | #if EV_VERIFY >= 2 |
2250 | ev_loop_verify (EV_A); |
2373 | ev_verify (EV_A); |
2251 | #endif |
2374 | #endif |
2252 | |
2375 | |
2253 | #ifndef _WIN32 |
2376 | #ifndef _WIN32 |
2254 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2377 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2255 | if (expect_false (getpid () != curpid)) |
2378 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2267 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2390 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2268 | EV_INVOKE_PENDING; |
2391 | EV_INVOKE_PENDING; |
2269 | } |
2392 | } |
2270 | #endif |
2393 | #endif |
2271 | |
2394 | |
|
|
2395 | #if EV_PREPARE_ENABLE |
2272 | /* queue prepare watchers (and execute them) */ |
2396 | /* queue prepare watchers (and execute them) */ |
2273 | if (expect_false (preparecnt)) |
2397 | if (expect_false (preparecnt)) |
2274 | { |
2398 | { |
2275 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2399 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2276 | EV_INVOKE_PENDING; |
2400 | EV_INVOKE_PENDING; |
2277 | } |
2401 | } |
|
|
2402 | #endif |
2278 | |
2403 | |
2279 | if (expect_false (loop_done)) |
2404 | if (expect_false (loop_done)) |
2280 | break; |
2405 | break; |
2281 | |
2406 | |
2282 | /* we might have forked, so reify kernel state if necessary */ |
2407 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2289 | /* calculate blocking time */ |
2414 | /* calculate blocking time */ |
2290 | { |
2415 | { |
2291 | ev_tstamp waittime = 0.; |
2416 | ev_tstamp waittime = 0.; |
2292 | ev_tstamp sleeptime = 0.; |
2417 | ev_tstamp sleeptime = 0.; |
2293 | |
2418 | |
|
|
2419 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2420 | ev_tstamp prev_mn_now = mn_now; |
|
|
2421 | |
|
|
2422 | /* update time to cancel out callback processing overhead */ |
|
|
2423 | time_update (EV_A_ 1e100); |
|
|
2424 | |
2294 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2425 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2295 | { |
2426 | { |
2296 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2297 | ev_tstamp prev_mn_now = mn_now; |
|
|
2298 | |
|
|
2299 | /* update time to cancel out callback processing overhead */ |
|
|
2300 | time_update (EV_A_ 1e100); |
|
|
2301 | |
|
|
2302 | waittime = MAX_BLOCKTIME; |
2427 | waittime = MAX_BLOCKTIME; |
2303 | |
2428 | |
2304 | if (timercnt) |
2429 | if (timercnt) |
2305 | { |
2430 | { |
2306 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2431 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2333 | waittime -= sleeptime; |
2458 | waittime -= sleeptime; |
2334 | } |
2459 | } |
2335 | } |
2460 | } |
2336 | } |
2461 | } |
2337 | |
2462 | |
2338 | #if EV_MINIMAL < 2 |
2463 | #if EV_FEATURE_API |
2339 | ++loop_count; |
2464 | ++loop_count; |
2340 | #endif |
2465 | #endif |
2341 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2466 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2342 | backend_poll (EV_A_ waittime); |
2467 | backend_poll (EV_A_ waittime); |
2343 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2468 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2344 | |
2469 | |
2345 | /* update ev_rt_now, do magic */ |
2470 | /* update ev_rt_now, do magic */ |
2346 | time_update (EV_A_ waittime + sleeptime); |
2471 | time_update (EV_A_ waittime + sleeptime); |
2347 | } |
2472 | } |
2348 | |
2473 | |
… | |
… | |
2355 | #if EV_IDLE_ENABLE |
2480 | #if EV_IDLE_ENABLE |
2356 | /* queue idle watchers unless other events are pending */ |
2481 | /* queue idle watchers unless other events are pending */ |
2357 | idle_reify (EV_A); |
2482 | idle_reify (EV_A); |
2358 | #endif |
2483 | #endif |
2359 | |
2484 | |
|
|
2485 | #if EV_CHECK_ENABLE |
2360 | /* queue check watchers, to be executed first */ |
2486 | /* queue check watchers, to be executed first */ |
2361 | if (expect_false (checkcnt)) |
2487 | if (expect_false (checkcnt)) |
2362 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2488 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2489 | #endif |
2363 | |
2490 | |
2364 | EV_INVOKE_PENDING; |
2491 | EV_INVOKE_PENDING; |
2365 | } |
2492 | } |
2366 | while (expect_true ( |
2493 | while (expect_true ( |
2367 | activecnt |
2494 | activecnt |
2368 | && !loop_done |
2495 | && !loop_done |
2369 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2496 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2370 | )); |
2497 | )); |
2371 | |
2498 | |
2372 | if (loop_done == EVUNLOOP_ONE) |
2499 | if (loop_done == EVBREAK_ONE) |
2373 | loop_done = EVUNLOOP_CANCEL; |
2500 | loop_done = EVBREAK_CANCEL; |
2374 | |
2501 | |
2375 | #if EV_MINIMAL < 2 |
2502 | #if EV_FEATURE_API |
2376 | --loop_depth; |
2503 | --loop_depth; |
2377 | #endif |
2504 | #endif |
2378 | } |
2505 | } |
2379 | |
2506 | |
2380 | void |
2507 | void |
2381 | ev_unloop (EV_P_ int how) |
2508 | ev_break (EV_P_ int how) |
2382 | { |
2509 | { |
2383 | loop_done = how; |
2510 | loop_done = how; |
2384 | } |
2511 | } |
2385 | |
2512 | |
2386 | void |
2513 | void |
… | |
… | |
2506 | |
2633 | |
2507 | if (expect_false (ev_is_active (w))) |
2634 | if (expect_false (ev_is_active (w))) |
2508 | return; |
2635 | return; |
2509 | |
2636 | |
2510 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2637 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2511 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2638 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2512 | |
2639 | |
2513 | EV_FREQUENT_CHECK; |
2640 | EV_FREQUENT_CHECK; |
2514 | |
2641 | |
2515 | ev_start (EV_A_ (W)w, 1); |
2642 | ev_start (EV_A_ (W)w, 1); |
2516 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2643 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2534 | EV_FREQUENT_CHECK; |
2661 | EV_FREQUENT_CHECK; |
2535 | |
2662 | |
2536 | wlist_del (&anfds[w->fd].head, (WL)w); |
2663 | wlist_del (&anfds[w->fd].head, (WL)w); |
2537 | ev_stop (EV_A_ (W)w); |
2664 | ev_stop (EV_A_ (W)w); |
2538 | |
2665 | |
2539 | fd_change (EV_A_ w->fd, 1); |
2666 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2540 | |
2667 | |
2541 | EV_FREQUENT_CHECK; |
2668 | EV_FREQUENT_CHECK; |
2542 | } |
2669 | } |
2543 | |
2670 | |
2544 | void noinline |
2671 | void noinline |
… | |
… | |
2586 | timers [active] = timers [timercnt + HEAP0]; |
2713 | timers [active] = timers [timercnt + HEAP0]; |
2587 | adjustheap (timers, timercnt, active); |
2714 | adjustheap (timers, timercnt, active); |
2588 | } |
2715 | } |
2589 | } |
2716 | } |
2590 | |
2717 | |
2591 | EV_FREQUENT_CHECK; |
|
|
2592 | |
|
|
2593 | ev_at (w) -= mn_now; |
2718 | ev_at (w) -= mn_now; |
2594 | |
2719 | |
2595 | ev_stop (EV_A_ (W)w); |
2720 | ev_stop (EV_A_ (W)w); |
|
|
2721 | |
|
|
2722 | EV_FREQUENT_CHECK; |
2596 | } |
2723 | } |
2597 | |
2724 | |
2598 | void noinline |
2725 | void noinline |
2599 | ev_timer_again (EV_P_ ev_timer *w) |
2726 | ev_timer_again (EV_P_ ev_timer *w) |
2600 | { |
2727 | { |
… | |
… | |
2679 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2806 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2680 | adjustheap (periodics, periodiccnt, active); |
2807 | adjustheap (periodics, periodiccnt, active); |
2681 | } |
2808 | } |
2682 | } |
2809 | } |
2683 | |
2810 | |
2684 | EV_FREQUENT_CHECK; |
|
|
2685 | |
|
|
2686 | ev_stop (EV_A_ (W)w); |
2811 | ev_stop (EV_A_ (W)w); |
|
|
2812 | |
|
|
2813 | EV_FREQUENT_CHECK; |
2687 | } |
2814 | } |
2688 | |
2815 | |
2689 | void noinline |
2816 | void noinline |
2690 | ev_periodic_again (EV_P_ ev_periodic *w) |
2817 | ev_periodic_again (EV_P_ ev_periodic *w) |
2691 | { |
2818 | { |
… | |
… | |
2696 | #endif |
2823 | #endif |
2697 | |
2824 | |
2698 | #ifndef SA_RESTART |
2825 | #ifndef SA_RESTART |
2699 | # define SA_RESTART 0 |
2826 | # define SA_RESTART 0 |
2700 | #endif |
2827 | #endif |
|
|
2828 | |
|
|
2829 | #if EV_SIGNAL_ENABLE |
2701 | |
2830 | |
2702 | void noinline |
2831 | void noinline |
2703 | ev_signal_start (EV_P_ ev_signal *w) |
2832 | ev_signal_start (EV_P_ ev_signal *w) |
2704 | { |
2833 | { |
2705 | if (expect_false (ev_is_active (w))) |
2834 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2752 | if (!((WL)w)->next) |
2881 | if (!((WL)w)->next) |
2753 | # if EV_USE_SIGNALFD |
2882 | # if EV_USE_SIGNALFD |
2754 | if (sigfd < 0) /*TODO*/ |
2883 | if (sigfd < 0) /*TODO*/ |
2755 | # endif |
2884 | # endif |
2756 | { |
2885 | { |
2757 | # if _WIN32 |
2886 | # ifdef _WIN32 |
|
|
2887 | evpipe_init (EV_A); |
|
|
2888 | |
2758 | signal (w->signum, ev_sighandler); |
2889 | signal (w->signum, ev_sighandler); |
2759 | # else |
2890 | # else |
2760 | struct sigaction sa; |
2891 | struct sigaction sa; |
2761 | |
2892 | |
2762 | evpipe_init (EV_A); |
2893 | evpipe_init (EV_A); |
… | |
… | |
2764 | sa.sa_handler = ev_sighandler; |
2895 | sa.sa_handler = ev_sighandler; |
2765 | sigfillset (&sa.sa_mask); |
2896 | sigfillset (&sa.sa_mask); |
2766 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2897 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2767 | sigaction (w->signum, &sa, 0); |
2898 | sigaction (w->signum, &sa, 0); |
2768 | |
2899 | |
|
|
2900 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
2901 | { |
2769 | sigemptyset (&sa.sa_mask); |
2902 | sigemptyset (&sa.sa_mask); |
2770 | sigaddset (&sa.sa_mask, w->signum); |
2903 | sigaddset (&sa.sa_mask, w->signum); |
2771 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2904 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
2905 | } |
2772 | #endif |
2906 | #endif |
2773 | } |
2907 | } |
2774 | |
2908 | |
2775 | EV_FREQUENT_CHECK; |
2909 | EV_FREQUENT_CHECK; |
2776 | } |
2910 | } |
… | |
… | |
2793 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2927 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2794 | #endif |
2928 | #endif |
2795 | #if EV_USE_SIGNALFD |
2929 | #if EV_USE_SIGNALFD |
2796 | if (sigfd >= 0) |
2930 | if (sigfd >= 0) |
2797 | { |
2931 | { |
2798 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
2932 | sigset_t ss; |
|
|
2933 | |
|
|
2934 | sigemptyset (&ss); |
|
|
2935 | sigaddset (&ss, w->signum); |
2799 | sigdelset (&sigfd_set, w->signum); |
2936 | sigdelset (&sigfd_set, w->signum); |
|
|
2937 | |
2800 | signalfd (sigfd, &sigfd_set, 0); |
2938 | signalfd (sigfd, &sigfd_set, 0); |
2801 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
2939 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
2802 | /*TODO: maybe unblock signal? */ |
|
|
2803 | } |
2940 | } |
2804 | else |
2941 | else |
2805 | #endif |
2942 | #endif |
2806 | signal (w->signum, SIG_DFL); |
2943 | signal (w->signum, SIG_DFL); |
2807 | } |
2944 | } |
2808 | |
2945 | |
2809 | EV_FREQUENT_CHECK; |
2946 | EV_FREQUENT_CHECK; |
2810 | } |
2947 | } |
2811 | |
2948 | |
|
|
2949 | #endif |
|
|
2950 | |
|
|
2951 | #if EV_CHILD_ENABLE |
|
|
2952 | |
2812 | void |
2953 | void |
2813 | ev_child_start (EV_P_ ev_child *w) |
2954 | ev_child_start (EV_P_ ev_child *w) |
2814 | { |
2955 | { |
2815 | #if EV_MULTIPLICITY |
2956 | #if EV_MULTIPLICITY |
2816 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2957 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2819 | return; |
2960 | return; |
2820 | |
2961 | |
2821 | EV_FREQUENT_CHECK; |
2962 | EV_FREQUENT_CHECK; |
2822 | |
2963 | |
2823 | ev_start (EV_A_ (W)w, 1); |
2964 | ev_start (EV_A_ (W)w, 1); |
2824 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2965 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2825 | |
2966 | |
2826 | EV_FREQUENT_CHECK; |
2967 | EV_FREQUENT_CHECK; |
2827 | } |
2968 | } |
2828 | |
2969 | |
2829 | void |
2970 | void |
… | |
… | |
2833 | if (expect_false (!ev_is_active (w))) |
2974 | if (expect_false (!ev_is_active (w))) |
2834 | return; |
2975 | return; |
2835 | |
2976 | |
2836 | EV_FREQUENT_CHECK; |
2977 | EV_FREQUENT_CHECK; |
2837 | |
2978 | |
2838 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2979 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2839 | ev_stop (EV_A_ (W)w); |
2980 | ev_stop (EV_A_ (W)w); |
2840 | |
2981 | |
2841 | EV_FREQUENT_CHECK; |
2982 | EV_FREQUENT_CHECK; |
2842 | } |
2983 | } |
|
|
2984 | |
|
|
2985 | #endif |
2843 | |
2986 | |
2844 | #if EV_STAT_ENABLE |
2987 | #if EV_STAT_ENABLE |
2845 | |
2988 | |
2846 | # ifdef _WIN32 |
2989 | # ifdef _WIN32 |
2847 | # undef lstat |
2990 | # undef lstat |
… | |
… | |
2853 | #define MIN_STAT_INTERVAL 0.1074891 |
2996 | #define MIN_STAT_INTERVAL 0.1074891 |
2854 | |
2997 | |
2855 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2998 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2856 | |
2999 | |
2857 | #if EV_USE_INOTIFY |
3000 | #if EV_USE_INOTIFY |
2858 | # define EV_INOTIFY_BUFSIZE 8192 |
3001 | |
|
|
3002 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
3003 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2859 | |
3004 | |
2860 | static void noinline |
3005 | static void noinline |
2861 | infy_add (EV_P_ ev_stat *w) |
3006 | infy_add (EV_P_ ev_stat *w) |
2862 | { |
3007 | { |
2863 | 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); |
3008 | 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); |
2864 | |
3009 | |
2865 | if (w->wd < 0) |
3010 | if (w->wd >= 0) |
|
|
3011 | { |
|
|
3012 | struct statfs sfs; |
|
|
3013 | |
|
|
3014 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
3015 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
3016 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
3017 | |
|
|
3018 | if (!fs_2625) |
|
|
3019 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3020 | else if (!statfs (w->path, &sfs) |
|
|
3021 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
3022 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
3023 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
3024 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
3025 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
3026 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
3027 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
3028 | else |
|
|
3029 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2866 | { |
3030 | } |
|
|
3031 | else |
|
|
3032 | { |
|
|
3033 | /* can't use inotify, continue to stat */ |
2867 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3034 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2868 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2869 | |
3035 | |
2870 | /* monitor some parent directory for speedup hints */ |
3036 | /* if path is not there, monitor some parent directory for speedup hints */ |
2871 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
3037 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2872 | /* but an efficiency issue only */ |
3038 | /* but an efficiency issue only */ |
2873 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
3039 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2874 | { |
3040 | { |
2875 | char path [4096]; |
3041 | char path [4096]; |
… | |
… | |
2891 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3057 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2892 | } |
3058 | } |
2893 | } |
3059 | } |
2894 | |
3060 | |
2895 | if (w->wd >= 0) |
3061 | if (w->wd >= 0) |
2896 | { |
|
|
2897 | struct statfs sfs; |
|
|
2898 | |
|
|
2899 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3062 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2900 | |
3063 | |
2901 | /* now local changes will be tracked by inotify, but remote changes won't */ |
3064 | /* now re-arm timer, if required */ |
2902 | /* unless the filesystem it known to be local, we therefore still poll */ |
3065 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2903 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2904 | |
|
|
2905 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2906 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2907 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2908 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2909 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2910 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2911 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2912 | return; |
|
|
2913 | |
|
|
2914 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2915 | ev_timer_again (EV_A_ &w->timer); |
3066 | ev_timer_again (EV_A_ &w->timer); |
2916 | } |
3067 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2917 | } |
3068 | } |
2918 | |
3069 | |
2919 | static void noinline |
3070 | static void noinline |
2920 | infy_del (EV_P_ ev_stat *w) |
3071 | infy_del (EV_P_ ev_stat *w) |
2921 | { |
3072 | { |
… | |
… | |
2924 | |
3075 | |
2925 | if (wd < 0) |
3076 | if (wd < 0) |
2926 | return; |
3077 | return; |
2927 | |
3078 | |
2928 | w->wd = -2; |
3079 | w->wd = -2; |
2929 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3080 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2930 | wlist_del (&fs_hash [slot].head, (WL)w); |
3081 | wlist_del (&fs_hash [slot].head, (WL)w); |
2931 | |
3082 | |
2932 | /* remove this watcher, if others are watching it, they will rearm */ |
3083 | /* remove this watcher, if others are watching it, they will rearm */ |
2933 | inotify_rm_watch (fs_fd, wd); |
3084 | inotify_rm_watch (fs_fd, wd); |
2934 | } |
3085 | } |
… | |
… | |
2936 | static void noinline |
3087 | static void noinline |
2937 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3088 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2938 | { |
3089 | { |
2939 | if (slot < 0) |
3090 | if (slot < 0) |
2940 | /* overflow, need to check for all hash slots */ |
3091 | /* overflow, need to check for all hash slots */ |
2941 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3092 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2942 | infy_wd (EV_A_ slot, wd, ev); |
3093 | infy_wd (EV_A_ slot, wd, ev); |
2943 | else |
3094 | else |
2944 | { |
3095 | { |
2945 | WL w_; |
3096 | WL w_; |
2946 | |
3097 | |
2947 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3098 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2948 | { |
3099 | { |
2949 | ev_stat *w = (ev_stat *)w_; |
3100 | ev_stat *w = (ev_stat *)w_; |
2950 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3101 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2951 | |
3102 | |
2952 | if (w->wd == wd || wd == -1) |
3103 | if (w->wd == wd || wd == -1) |
2953 | { |
3104 | { |
2954 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3105 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2955 | { |
3106 | { |
2956 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3107 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2957 | w->wd = -1; |
3108 | w->wd = -1; |
2958 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3109 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2959 | } |
3110 | } |
2960 | |
3111 | |
2961 | stat_timer_cb (EV_A_ &w->timer, 0); |
3112 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2966 | |
3117 | |
2967 | static void |
3118 | static void |
2968 | infy_cb (EV_P_ ev_io *w, int revents) |
3119 | infy_cb (EV_P_ ev_io *w, int revents) |
2969 | { |
3120 | { |
2970 | char buf [EV_INOTIFY_BUFSIZE]; |
3121 | char buf [EV_INOTIFY_BUFSIZE]; |
2971 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2972 | int ofs; |
3122 | int ofs; |
2973 | int len = read (fs_fd, buf, sizeof (buf)); |
3123 | int len = read (fs_fd, buf, sizeof (buf)); |
2974 | |
3124 | |
2975 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3125 | for (ofs = 0; ofs < len; ) |
|
|
3126 | { |
|
|
3127 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2976 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3128 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3129 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3130 | } |
2977 | } |
3131 | } |
2978 | |
3132 | |
2979 | inline_size void |
3133 | inline_size void |
2980 | check_2625 (EV_P) |
3134 | ev_check_2625 (EV_P) |
2981 | { |
3135 | { |
2982 | /* kernels < 2.6.25 are borked |
3136 | /* kernels < 2.6.25 are borked |
2983 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3137 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2984 | */ |
3138 | */ |
2985 | struct utsname buf; |
3139 | if (ev_linux_version () < 0x020619) |
2986 | int major, minor, micro; |
|
|
2987 | |
|
|
2988 | if (uname (&buf)) |
|
|
2989 | return; |
3140 | return; |
2990 | |
3141 | |
2991 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2992 | return; |
|
|
2993 | |
|
|
2994 | if (major < 2 |
|
|
2995 | || (major == 2 && minor < 6) |
|
|
2996 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2997 | return; |
|
|
2998 | |
|
|
2999 | fs_2625 = 1; |
3142 | fs_2625 = 1; |
|
|
3143 | } |
|
|
3144 | |
|
|
3145 | inline_size int |
|
|
3146 | infy_newfd (void) |
|
|
3147 | { |
|
|
3148 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3149 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3150 | if (fd >= 0) |
|
|
3151 | return fd; |
|
|
3152 | #endif |
|
|
3153 | return inotify_init (); |
3000 | } |
3154 | } |
3001 | |
3155 | |
3002 | inline_size void |
3156 | inline_size void |
3003 | infy_init (EV_P) |
3157 | infy_init (EV_P) |
3004 | { |
3158 | { |
3005 | if (fs_fd != -2) |
3159 | if (fs_fd != -2) |
3006 | return; |
3160 | return; |
3007 | |
3161 | |
3008 | fs_fd = -1; |
3162 | fs_fd = -1; |
3009 | |
3163 | |
3010 | check_2625 (EV_A); |
3164 | ev_check_2625 (EV_A); |
3011 | |
3165 | |
3012 | fs_fd = inotify_init (); |
3166 | fs_fd = infy_newfd (); |
3013 | |
3167 | |
3014 | if (fs_fd >= 0) |
3168 | if (fs_fd >= 0) |
3015 | { |
3169 | { |
|
|
3170 | fd_intern (fs_fd); |
3016 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3171 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3017 | ev_set_priority (&fs_w, EV_MAXPRI); |
3172 | ev_set_priority (&fs_w, EV_MAXPRI); |
3018 | ev_io_start (EV_A_ &fs_w); |
3173 | ev_io_start (EV_A_ &fs_w); |
|
|
3174 | ev_unref (EV_A); |
3019 | } |
3175 | } |
3020 | } |
3176 | } |
3021 | |
3177 | |
3022 | inline_size void |
3178 | inline_size void |
3023 | infy_fork (EV_P) |
3179 | infy_fork (EV_P) |
… | |
… | |
3025 | int slot; |
3181 | int slot; |
3026 | |
3182 | |
3027 | if (fs_fd < 0) |
3183 | if (fs_fd < 0) |
3028 | return; |
3184 | return; |
3029 | |
3185 | |
|
|
3186 | ev_ref (EV_A); |
|
|
3187 | ev_io_stop (EV_A_ &fs_w); |
3030 | close (fs_fd); |
3188 | close (fs_fd); |
3031 | fs_fd = inotify_init (); |
3189 | fs_fd = infy_newfd (); |
3032 | |
3190 | |
|
|
3191 | if (fs_fd >= 0) |
|
|
3192 | { |
|
|
3193 | fd_intern (fs_fd); |
|
|
3194 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3195 | ev_io_start (EV_A_ &fs_w); |
|
|
3196 | ev_unref (EV_A); |
|
|
3197 | } |
|
|
3198 | |
3033 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3199 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3034 | { |
3200 | { |
3035 | WL w_ = fs_hash [slot].head; |
3201 | WL w_ = fs_hash [slot].head; |
3036 | fs_hash [slot].head = 0; |
3202 | fs_hash [slot].head = 0; |
3037 | |
3203 | |
3038 | while (w_) |
3204 | while (w_) |
… | |
… | |
3043 | w->wd = -1; |
3209 | w->wd = -1; |
3044 | |
3210 | |
3045 | if (fs_fd >= 0) |
3211 | if (fs_fd >= 0) |
3046 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3212 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3047 | else |
3213 | else |
|
|
3214 | { |
|
|
3215 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3216 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3048 | ev_timer_again (EV_A_ &w->timer); |
3217 | ev_timer_again (EV_A_ &w->timer); |
|
|
3218 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3219 | } |
3049 | } |
3220 | } |
3050 | } |
3221 | } |
3051 | } |
3222 | } |
3052 | |
3223 | |
3053 | #endif |
3224 | #endif |
… | |
… | |
3070 | static void noinline |
3241 | static void noinline |
3071 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3242 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3072 | { |
3243 | { |
3073 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3244 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3074 | |
3245 | |
3075 | /* we copy this here each the time so that */ |
3246 | ev_statdata prev = w->attr; |
3076 | /* prev has the old value when the callback gets invoked */ |
|
|
3077 | w->prev = w->attr; |
|
|
3078 | ev_stat_stat (EV_A_ w); |
3247 | ev_stat_stat (EV_A_ w); |
3079 | |
3248 | |
3080 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3249 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3081 | if ( |
3250 | if ( |
3082 | w->prev.st_dev != w->attr.st_dev |
3251 | prev.st_dev != w->attr.st_dev |
3083 | || w->prev.st_ino != w->attr.st_ino |
3252 | || prev.st_ino != w->attr.st_ino |
3084 | || w->prev.st_mode != w->attr.st_mode |
3253 | || prev.st_mode != w->attr.st_mode |
3085 | || w->prev.st_nlink != w->attr.st_nlink |
3254 | || prev.st_nlink != w->attr.st_nlink |
3086 | || w->prev.st_uid != w->attr.st_uid |
3255 | || prev.st_uid != w->attr.st_uid |
3087 | || w->prev.st_gid != w->attr.st_gid |
3256 | || prev.st_gid != w->attr.st_gid |
3088 | || w->prev.st_rdev != w->attr.st_rdev |
3257 | || prev.st_rdev != w->attr.st_rdev |
3089 | || w->prev.st_size != w->attr.st_size |
3258 | || prev.st_size != w->attr.st_size |
3090 | || w->prev.st_atime != w->attr.st_atime |
3259 | || prev.st_atime != w->attr.st_atime |
3091 | || w->prev.st_mtime != w->attr.st_mtime |
3260 | || prev.st_mtime != w->attr.st_mtime |
3092 | || w->prev.st_ctime != w->attr.st_ctime |
3261 | || prev.st_ctime != w->attr.st_ctime |
3093 | ) { |
3262 | ) { |
|
|
3263 | /* we only update w->prev on actual differences */ |
|
|
3264 | /* in case we test more often than invoke the callback, */ |
|
|
3265 | /* to ensure that prev is always different to attr */ |
|
|
3266 | w->prev = prev; |
|
|
3267 | |
3094 | #if EV_USE_INOTIFY |
3268 | #if EV_USE_INOTIFY |
3095 | if (fs_fd >= 0) |
3269 | if (fs_fd >= 0) |
3096 | { |
3270 | { |
3097 | infy_del (EV_A_ w); |
3271 | infy_del (EV_A_ w); |
3098 | infy_add (EV_A_ w); |
3272 | infy_add (EV_A_ w); |
… | |
… | |
3123 | |
3297 | |
3124 | if (fs_fd >= 0) |
3298 | if (fs_fd >= 0) |
3125 | infy_add (EV_A_ w); |
3299 | infy_add (EV_A_ w); |
3126 | else |
3300 | else |
3127 | #endif |
3301 | #endif |
|
|
3302 | { |
3128 | ev_timer_again (EV_A_ &w->timer); |
3303 | ev_timer_again (EV_A_ &w->timer); |
|
|
3304 | ev_unref (EV_A); |
|
|
3305 | } |
3129 | |
3306 | |
3130 | ev_start (EV_A_ (W)w, 1); |
3307 | ev_start (EV_A_ (W)w, 1); |
3131 | |
3308 | |
3132 | EV_FREQUENT_CHECK; |
3309 | EV_FREQUENT_CHECK; |
3133 | } |
3310 | } |
… | |
… | |
3142 | EV_FREQUENT_CHECK; |
3319 | EV_FREQUENT_CHECK; |
3143 | |
3320 | |
3144 | #if EV_USE_INOTIFY |
3321 | #if EV_USE_INOTIFY |
3145 | infy_del (EV_A_ w); |
3322 | infy_del (EV_A_ w); |
3146 | #endif |
3323 | #endif |
|
|
3324 | |
|
|
3325 | if (ev_is_active (&w->timer)) |
|
|
3326 | { |
|
|
3327 | ev_ref (EV_A); |
3147 | ev_timer_stop (EV_A_ &w->timer); |
3328 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3329 | } |
3148 | |
3330 | |
3149 | ev_stop (EV_A_ (W)w); |
3331 | ev_stop (EV_A_ (W)w); |
3150 | |
3332 | |
3151 | EV_FREQUENT_CHECK; |
3333 | EV_FREQUENT_CHECK; |
3152 | } |
3334 | } |
… | |
… | |
3197 | |
3379 | |
3198 | EV_FREQUENT_CHECK; |
3380 | EV_FREQUENT_CHECK; |
3199 | } |
3381 | } |
3200 | #endif |
3382 | #endif |
3201 | |
3383 | |
|
|
3384 | #if EV_PREPARE_ENABLE |
3202 | void |
3385 | void |
3203 | ev_prepare_start (EV_P_ ev_prepare *w) |
3386 | ev_prepare_start (EV_P_ ev_prepare *w) |
3204 | { |
3387 | { |
3205 | if (expect_false (ev_is_active (w))) |
3388 | if (expect_false (ev_is_active (w))) |
3206 | return; |
3389 | return; |
… | |
… | |
3232 | |
3415 | |
3233 | ev_stop (EV_A_ (W)w); |
3416 | ev_stop (EV_A_ (W)w); |
3234 | |
3417 | |
3235 | EV_FREQUENT_CHECK; |
3418 | EV_FREQUENT_CHECK; |
3236 | } |
3419 | } |
|
|
3420 | #endif |
3237 | |
3421 | |
|
|
3422 | #if EV_CHECK_ENABLE |
3238 | void |
3423 | void |
3239 | ev_check_start (EV_P_ ev_check *w) |
3424 | ev_check_start (EV_P_ ev_check *w) |
3240 | { |
3425 | { |
3241 | if (expect_false (ev_is_active (w))) |
3426 | if (expect_false (ev_is_active (w))) |
3242 | return; |
3427 | return; |
… | |
… | |
3268 | |
3453 | |
3269 | ev_stop (EV_A_ (W)w); |
3454 | ev_stop (EV_A_ (W)w); |
3270 | |
3455 | |
3271 | EV_FREQUENT_CHECK; |
3456 | EV_FREQUENT_CHECK; |
3272 | } |
3457 | } |
|
|
3458 | #endif |
3273 | |
3459 | |
3274 | #if EV_EMBED_ENABLE |
3460 | #if EV_EMBED_ENABLE |
3275 | void noinline |
3461 | void noinline |
3276 | ev_embed_sweep (EV_P_ ev_embed *w) |
3462 | ev_embed_sweep (EV_P_ ev_embed *w) |
3277 | { |
3463 | { |
3278 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3464 | ev_run (w->other, EVRUN_NOWAIT); |
3279 | } |
3465 | } |
3280 | |
3466 | |
3281 | static void |
3467 | static void |
3282 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3468 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3283 | { |
3469 | { |
3284 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3470 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3285 | |
3471 | |
3286 | if (ev_cb (w)) |
3472 | if (ev_cb (w)) |
3287 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3473 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3288 | else |
3474 | else |
3289 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3475 | ev_run (w->other, EVRUN_NOWAIT); |
3290 | } |
3476 | } |
3291 | |
3477 | |
3292 | static void |
3478 | static void |
3293 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3479 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3294 | { |
3480 | { |
… | |
… | |
3298 | EV_P = w->other; |
3484 | EV_P = w->other; |
3299 | |
3485 | |
3300 | while (fdchangecnt) |
3486 | while (fdchangecnt) |
3301 | { |
3487 | { |
3302 | fd_reify (EV_A); |
3488 | fd_reify (EV_A); |
3303 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3489 | ev_run (EV_A_ EVRUN_NOWAIT); |
3304 | } |
3490 | } |
3305 | } |
3491 | } |
3306 | } |
3492 | } |
3307 | |
3493 | |
3308 | static void |
3494 | static void |
… | |
… | |
3314 | |
3500 | |
3315 | { |
3501 | { |
3316 | EV_P = w->other; |
3502 | EV_P = w->other; |
3317 | |
3503 | |
3318 | ev_loop_fork (EV_A); |
3504 | ev_loop_fork (EV_A); |
3319 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3505 | ev_run (EV_A_ EVRUN_NOWAIT); |
3320 | } |
3506 | } |
3321 | |
3507 | |
3322 | ev_embed_start (EV_A_ w); |
3508 | ev_embed_start (EV_A_ w); |
3323 | } |
3509 | } |
3324 | |
3510 | |
… | |
… | |
3372 | |
3558 | |
3373 | ev_io_stop (EV_A_ &w->io); |
3559 | ev_io_stop (EV_A_ &w->io); |
3374 | ev_prepare_stop (EV_A_ &w->prepare); |
3560 | ev_prepare_stop (EV_A_ &w->prepare); |
3375 | ev_fork_stop (EV_A_ &w->fork); |
3561 | ev_fork_stop (EV_A_ &w->fork); |
3376 | |
3562 | |
|
|
3563 | ev_stop (EV_A_ (W)w); |
|
|
3564 | |
3377 | EV_FREQUENT_CHECK; |
3565 | EV_FREQUENT_CHECK; |
3378 | } |
3566 | } |
3379 | #endif |
3567 | #endif |
3380 | |
3568 | |
3381 | #if EV_FORK_ENABLE |
3569 | #if EV_FORK_ENABLE |
… | |
… | |
3414 | |
3602 | |
3415 | EV_FREQUENT_CHECK; |
3603 | EV_FREQUENT_CHECK; |
3416 | } |
3604 | } |
3417 | #endif |
3605 | #endif |
3418 | |
3606 | |
3419 | #if EV_ASYNC_ENABLE |
3607 | #if EV_CLEANUP_ENABLE |
3420 | void |
3608 | void |
3421 | ev_async_start (EV_P_ ev_async *w) |
3609 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
3422 | { |
3610 | { |
3423 | if (expect_false (ev_is_active (w))) |
3611 | if (expect_false (ev_is_active (w))) |
3424 | return; |
3612 | return; |
|
|
3613 | |
|
|
3614 | EV_FREQUENT_CHECK; |
|
|
3615 | |
|
|
3616 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3617 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3618 | cleanups [cleanupcnt - 1] = w; |
|
|
3619 | |
|
|
3620 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3621 | ev_unref (EV_A); |
|
|
3622 | EV_FREQUENT_CHECK; |
|
|
3623 | } |
|
|
3624 | |
|
|
3625 | void |
|
|
3626 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3627 | { |
|
|
3628 | clear_pending (EV_A_ (W)w); |
|
|
3629 | if (expect_false (!ev_is_active (w))) |
|
|
3630 | return; |
|
|
3631 | |
|
|
3632 | EV_FREQUENT_CHECK; |
|
|
3633 | ev_ref (EV_A); |
|
|
3634 | |
|
|
3635 | { |
|
|
3636 | int active = ev_active (w); |
|
|
3637 | |
|
|
3638 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3639 | ev_active (cleanups [active - 1]) = active; |
|
|
3640 | } |
|
|
3641 | |
|
|
3642 | ev_stop (EV_A_ (W)w); |
|
|
3643 | |
|
|
3644 | EV_FREQUENT_CHECK; |
|
|
3645 | } |
|
|
3646 | #endif |
|
|
3647 | |
|
|
3648 | #if EV_ASYNC_ENABLE |
|
|
3649 | void |
|
|
3650 | ev_async_start (EV_P_ ev_async *w) |
|
|
3651 | { |
|
|
3652 | if (expect_false (ev_is_active (w))) |
|
|
3653 | return; |
|
|
3654 | |
|
|
3655 | w->sent = 0; |
3425 | |
3656 | |
3426 | evpipe_init (EV_A); |
3657 | evpipe_init (EV_A); |
3427 | |
3658 | |
3428 | EV_FREQUENT_CHECK; |
3659 | EV_FREQUENT_CHECK; |
3429 | |
3660 | |
… | |
… | |
3507 | { |
3738 | { |
3508 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3739 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3509 | |
3740 | |
3510 | if (expect_false (!once)) |
3741 | if (expect_false (!once)) |
3511 | { |
3742 | { |
3512 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3743 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3513 | return; |
3744 | return; |
3514 | } |
3745 | } |
3515 | |
3746 | |
3516 | once->cb = cb; |
3747 | once->cb = cb; |
3517 | once->arg = arg; |
3748 | once->arg = arg; |
… | |
… | |
3604 | if (types & EV_ASYNC) |
3835 | if (types & EV_ASYNC) |
3605 | for (i = asynccnt; i--; ) |
3836 | for (i = asynccnt; i--; ) |
3606 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3837 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3607 | #endif |
3838 | #endif |
3608 | |
3839 | |
|
|
3840 | #if EV_PREPARE_ENABLE |
3609 | if (types & EV_PREPARE) |
3841 | if (types & EV_PREPARE) |
3610 | for (i = preparecnt; i--; ) |
3842 | for (i = preparecnt; i--; ) |
3611 | #if EV_EMBED_ENABLE |
3843 | # if EV_EMBED_ENABLE |
3612 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3844 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3613 | #endif |
3845 | # endif |
3614 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3846 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3847 | #endif |
3615 | |
3848 | |
|
|
3849 | #if EV_CHECK_ENABLE |
3616 | if (types & EV_CHECK) |
3850 | if (types & EV_CHECK) |
3617 | for (i = checkcnt; i--; ) |
3851 | for (i = checkcnt; i--; ) |
3618 | cb (EV_A_ EV_CHECK, checks [i]); |
3852 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3853 | #endif |
3619 | |
3854 | |
|
|
3855 | #if EV_SIGNAL_ENABLE |
3620 | if (types & EV_SIGNAL) |
3856 | if (types & EV_SIGNAL) |
3621 | for (i = 0; i < EV_NSIG - 1; ++i) |
3857 | for (i = 0; i < EV_NSIG - 1; ++i) |
3622 | for (wl = signals [i].head; wl; ) |
3858 | for (wl = signals [i].head; wl; ) |
3623 | { |
3859 | { |
3624 | wn = wl->next; |
3860 | wn = wl->next; |
3625 | cb (EV_A_ EV_SIGNAL, wl); |
3861 | cb (EV_A_ EV_SIGNAL, wl); |
3626 | wl = wn; |
3862 | wl = wn; |
3627 | } |
3863 | } |
|
|
3864 | #endif |
3628 | |
3865 | |
|
|
3866 | #if EV_CHILD_ENABLE |
3629 | if (types & EV_CHILD) |
3867 | if (types & EV_CHILD) |
3630 | for (i = EV_PID_HASHSIZE; i--; ) |
3868 | for (i = (EV_PID_HASHSIZE); i--; ) |
3631 | for (wl = childs [i]; wl; ) |
3869 | for (wl = childs [i]; wl; ) |
3632 | { |
3870 | { |
3633 | wn = wl->next; |
3871 | wn = wl->next; |
3634 | cb (EV_A_ EV_CHILD, wl); |
3872 | cb (EV_A_ EV_CHILD, wl); |
3635 | wl = wn; |
3873 | wl = wn; |
3636 | } |
3874 | } |
|
|
3875 | #endif |
3637 | /* EV_STAT 0x00001000 /* stat data changed */ |
3876 | /* EV_STAT 0x00001000 /* stat data changed */ |
3638 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3877 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3639 | } |
3878 | } |
3640 | #endif |
3879 | #endif |
3641 | |
3880 | |
3642 | #if EV_MULTIPLICITY |
3881 | #if EV_MULTIPLICITY |
3643 | #include "ev_wrap.h" |
3882 | #include "ev_wrap.h" |
3644 | #endif |
3883 | #endif |
3645 | |
3884 | |
3646 | #ifdef __cplusplus |
3885 | EV_CPP(}) |
3647 | } |
|
|
3648 | #endif |
|
|
3649 | |
3886 | |