1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010 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 |
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|
86 | |
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|
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 |
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|
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 |
|
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110 | # undef EV_USE_EPOLL |
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|
111 | # define EV_USE_EPOLL 0 |
112 | # endif |
112 | # endif |
113 | |
113 | |
114 | # ifndef EV_USE_KQUEUE |
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|
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
114 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
116 | # define EV_USE_KQUEUE 1 |
115 | # ifndef EV_USE_KQUEUE |
117 | # else |
116 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
118 | # define EV_USE_KQUEUE 0 |
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|
119 | # endif |
117 | # endif |
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118 | # else |
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119 | # undef EV_USE_KQUEUE |
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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 |
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128 | # undef EV_USE_PORT |
|
|
129 | # define EV_USE_PORT 0 |
128 | # endif |
130 | # endif |
129 | |
131 | |
130 | # ifndef EV_USE_INOTIFY |
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|
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 |
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|
136 | # else |
|
|
137 | # undef EV_USE_INOTIFY |
|
|
138 | # define EV_USE_INOTIFY 0 |
136 | # endif |
139 | # endif |
137 | |
140 | |
138 | # ifndef EV_USE_SIGNALFD |
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|
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 |
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|
145 | # else |
|
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146 | # undef EV_USE_SIGNALFD |
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|
147 | # define EV_USE_SIGNALFD 0 |
144 | # endif |
148 | # endif |
145 | |
149 | |
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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 |
|
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150 | # define EV_USE_EVENTFD 0 |
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|
151 | # endif |
153 | # endif |
|
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154 | # else |
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|
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> |
… | |
… | |
172 | #ifdef EV_H |
177 | #ifdef EV_H |
173 | # include EV_H |
178 | # include EV_H |
174 | #else |
179 | #else |
175 | # include "ev.h" |
180 | # include "ev.h" |
176 | #endif |
181 | #endif |
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182 | |
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183 | EV_CPP(extern "C" {) |
177 | |
184 | |
178 | #ifndef _WIN32 |
185 | #ifndef _WIN32 |
179 | # include <sys/time.h> |
186 | # include <sys/time.h> |
180 | # include <sys/wait.h> |
187 | # include <sys/wait.h> |
181 | # include <unistd.h> |
188 | # include <unistd.h> |
… | |
… | |
184 | # define WIN32_LEAN_AND_MEAN |
191 | # define WIN32_LEAN_AND_MEAN |
185 | # include <windows.h> |
192 | # include <windows.h> |
186 | # ifndef EV_SELECT_IS_WINSOCKET |
193 | # ifndef EV_SELECT_IS_WINSOCKET |
187 | # define EV_SELECT_IS_WINSOCKET 1 |
194 | # define EV_SELECT_IS_WINSOCKET 1 |
188 | # endif |
195 | # endif |
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|
196 | # undef EV_AVOID_STDIO |
189 | #endif |
197 | #endif |
|
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198 | |
|
|
199 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
200 | * a limit of 1024 into their select. Where people have brains, |
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201 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
202 | * ordered to have a vacuum, or they do anything for money. |
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203 | * This might help. Or not. |
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204 | */ |
|
|
205 | #define _DARWIN_UNLIMITED_SELECT 1 |
190 | |
206 | |
191 | /* 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 */ |
192 | |
208 | |
193 | /* try to deduce the maximum number of signals on this platform */ |
209 | /* try to deduce the maximum number of signals on this platform */ |
194 | #if defined (EV_NSIG) |
210 | #if defined (EV_NSIG) |
… | |
… | |
206 | #elif defined (MAXSIG) |
222 | #elif defined (MAXSIG) |
207 | # define EV_NSIG (MAXSIG+1) |
223 | # define EV_NSIG (MAXSIG+1) |
208 | #elif defined (MAX_SIG) |
224 | #elif defined (MAX_SIG) |
209 | # define EV_NSIG (MAX_SIG+1) |
225 | # define EV_NSIG (MAX_SIG+1) |
210 | #elif defined (SIGARRAYSIZE) |
226 | #elif defined (SIGARRAYSIZE) |
211 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
227 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
212 | #elif defined (_sys_nsig) |
228 | #elif defined (_sys_nsig) |
213 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
229 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
214 | #else |
230 | #else |
215 | # error "unable to find value for NSIG, please report" |
231 | # error "unable to find value for NSIG, please report" |
216 | /* 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! :) */ |
217 | # define EV_NSIG 65 |
234 | # define EV_NSIG 65 |
218 | #endif |
235 | #endif |
219 | |
236 | |
220 | #ifndef EV_USE_CLOCK_SYSCALL |
237 | #ifndef EV_USE_CLOCK_SYSCALL |
221 | # if __linux && __GLIBC__ >= 2 |
238 | # if __linux && __GLIBC__ >= 2 |
222 | # define EV_USE_CLOCK_SYSCALL 1 |
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
223 | # else |
240 | # else |
224 | # define EV_USE_CLOCK_SYSCALL 0 |
241 | # define EV_USE_CLOCK_SYSCALL 0 |
225 | # endif |
242 | # endif |
226 | #endif |
243 | #endif |
227 | |
244 | |
228 | #ifndef EV_USE_MONOTONIC |
245 | #ifndef EV_USE_MONOTONIC |
229 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
230 | # define EV_USE_MONOTONIC 1 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
231 | # else |
248 | # else |
232 | # define EV_USE_MONOTONIC 0 |
249 | # define EV_USE_MONOTONIC 0 |
233 | # endif |
250 | # endif |
234 | #endif |
251 | #endif |
235 | |
252 | |
… | |
… | |
237 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
254 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
238 | #endif |
255 | #endif |
239 | |
256 | |
240 | #ifndef EV_USE_NANOSLEEP |
257 | #ifndef EV_USE_NANOSLEEP |
241 | # if _POSIX_C_SOURCE >= 199309L |
258 | # if _POSIX_C_SOURCE >= 199309L |
242 | # define EV_USE_NANOSLEEP 1 |
259 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
243 | # else |
260 | # else |
244 | # define EV_USE_NANOSLEEP 0 |
261 | # define EV_USE_NANOSLEEP 0 |
245 | # endif |
262 | # endif |
246 | #endif |
263 | #endif |
247 | |
264 | |
248 | #ifndef EV_USE_SELECT |
265 | #ifndef EV_USE_SELECT |
249 | # define EV_USE_SELECT 1 |
266 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
250 | #endif |
267 | #endif |
251 | |
268 | |
252 | #ifndef EV_USE_POLL |
269 | #ifndef EV_USE_POLL |
253 | # ifdef _WIN32 |
270 | # ifdef _WIN32 |
254 | # define EV_USE_POLL 0 |
271 | # define EV_USE_POLL 0 |
255 | # else |
272 | # else |
256 | # define EV_USE_POLL 1 |
273 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
257 | # endif |
274 | # endif |
258 | #endif |
275 | #endif |
259 | |
276 | |
260 | #ifndef EV_USE_EPOLL |
277 | #ifndef EV_USE_EPOLL |
261 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
262 | # define EV_USE_EPOLL 1 |
279 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
263 | # else |
280 | # else |
264 | # define EV_USE_EPOLL 0 |
281 | # define EV_USE_EPOLL 0 |
265 | # endif |
282 | # endif |
266 | #endif |
283 | #endif |
267 | |
284 | |
… | |
… | |
273 | # define EV_USE_PORT 0 |
290 | # define EV_USE_PORT 0 |
274 | #endif |
291 | #endif |
275 | |
292 | |
276 | #ifndef EV_USE_INOTIFY |
293 | #ifndef EV_USE_INOTIFY |
277 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
294 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # define EV_USE_INOTIFY 1 |
295 | # define EV_USE_INOTIFY EV_FEATURE_OS |
279 | # else |
296 | # else |
280 | # define EV_USE_INOTIFY 0 |
297 | # define EV_USE_INOTIFY 0 |
281 | # endif |
298 | # endif |
282 | #endif |
299 | #endif |
283 | |
300 | |
284 | #ifndef EV_PID_HASHSIZE |
301 | #ifndef EV_PID_HASHSIZE |
285 | # if EV_MINIMAL |
302 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
286 | # define EV_PID_HASHSIZE 1 |
|
|
287 | # else |
|
|
288 | # define EV_PID_HASHSIZE 16 |
|
|
289 | # endif |
|
|
290 | #endif |
303 | #endif |
291 | |
304 | |
292 | #ifndef EV_INOTIFY_HASHSIZE |
305 | #ifndef EV_INOTIFY_HASHSIZE |
293 | # if EV_MINIMAL |
306 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
294 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
295 | # else |
|
|
296 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
297 | # endif |
|
|
298 | #endif |
307 | #endif |
299 | |
308 | |
300 | #ifndef EV_USE_EVENTFD |
309 | #ifndef EV_USE_EVENTFD |
301 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
302 | # define EV_USE_EVENTFD 1 |
311 | # define EV_USE_EVENTFD EV_FEATURE_OS |
303 | # else |
312 | # else |
304 | # define EV_USE_EVENTFD 0 |
313 | # define EV_USE_EVENTFD 0 |
305 | # endif |
314 | # endif |
306 | #endif |
315 | #endif |
307 | |
316 | |
308 | #ifndef EV_USE_SIGNALFD |
317 | #ifndef EV_USE_SIGNALFD |
309 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
318 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # define EV_USE_SIGNALFD 1 |
319 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
311 | # else |
320 | # else |
312 | # define EV_USE_SIGNALFD 0 |
321 | # define EV_USE_SIGNALFD 0 |
313 | # endif |
322 | # endif |
314 | #endif |
323 | #endif |
315 | |
324 | |
… | |
… | |
318 | # define EV_USE_4HEAP 1 |
327 | # define EV_USE_4HEAP 1 |
319 | # define EV_HEAP_CACHE_AT 1 |
328 | # define EV_HEAP_CACHE_AT 1 |
320 | #endif |
329 | #endif |
321 | |
330 | |
322 | #ifndef EV_VERIFY |
331 | #ifndef EV_VERIFY |
323 | # define EV_VERIFY !EV_MINIMAL |
332 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
324 | #endif |
333 | #endif |
325 | |
334 | |
326 | #ifndef EV_USE_4HEAP |
335 | #ifndef EV_USE_4HEAP |
327 | # define EV_USE_4HEAP !EV_MINIMAL |
336 | # define EV_USE_4HEAP EV_FEATURE_DATA |
328 | #endif |
337 | #endif |
329 | |
338 | |
330 | #ifndef EV_HEAP_CACHE_AT |
339 | #ifndef EV_HEAP_CACHE_AT |
331 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
340 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
332 | #endif |
341 | #endif |
333 | |
342 | |
334 | /* 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, */ |
335 | /* which makes programs even slower. might work on other unices, too. */ |
344 | /* which makes programs even slower. might work on other unices, too. */ |
336 | #if EV_USE_CLOCK_SYSCALL |
345 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
373 | # include <sys/select.h> |
382 | # include <sys/select.h> |
374 | # endif |
383 | # endif |
375 | #endif |
384 | #endif |
376 | |
385 | |
377 | #if EV_USE_INOTIFY |
386 | #if EV_USE_INOTIFY |
378 | # include <sys/utsname.h> |
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|
379 | # include <sys/statfs.h> |
387 | # include <sys/statfs.h> |
380 | # include <sys/inotify.h> |
388 | # include <sys/inotify.h> |
381 | /* 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 */ |
382 | # ifndef IN_DONT_FOLLOW |
390 | # ifndef IN_DONT_FOLLOW |
383 | # undef EV_USE_INOTIFY |
391 | # undef EV_USE_INOTIFY |
… | |
… | |
400 | # define EFD_CLOEXEC O_CLOEXEC |
408 | # define EFD_CLOEXEC O_CLOEXEC |
401 | # else |
409 | # else |
402 | # define EFD_CLOEXEC 02000000 |
410 | # define EFD_CLOEXEC 02000000 |
403 | # endif |
411 | # endif |
404 | # endif |
412 | # endif |
405 | # ifdef __cplusplus |
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406 | extern "C" { |
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|
407 | # endif |
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408 | int (eventfd) (unsigned int initval, int flags); |
413 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
409 | # ifdef __cplusplus |
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410 | } |
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411 | # endif |
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412 | #endif |
414 | #endif |
413 | |
415 | |
414 | #if EV_USE_SIGNALFD |
416 | #if EV_USE_SIGNALFD |
415 | /* 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 */ |
416 | # include <stdint.h> |
418 | # include <stdint.h> |
… | |
… | |
422 | # define SFD_CLOEXEC O_CLOEXEC |
424 | # define SFD_CLOEXEC O_CLOEXEC |
423 | # else |
425 | # else |
424 | # define SFD_CLOEXEC 02000000 |
426 | # define SFD_CLOEXEC 02000000 |
425 | # endif |
427 | # endif |
426 | # endif |
428 | # endif |
427 | # ifdef __cplusplus |
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|
428 | extern "C" { |
|
|
429 | # endif |
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430 | 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); |
431 | |
430 | |
432 | struct signalfd_siginfo |
431 | struct signalfd_siginfo |
433 | { |
432 | { |
434 | uint32_t ssi_signo; |
433 | uint32_t ssi_signo; |
435 | char pad[128 - sizeof (uint32_t)]; |
434 | char pad[128 - sizeof (uint32_t)]; |
436 | }; |
435 | }; |
437 | # ifdef __cplusplus |
|
|
438 | } |
|
|
439 | # endif |
436 | #endif |
440 | #endif |
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441 | |
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442 | |
437 | |
443 | /**/ |
438 | /**/ |
444 | |
439 | |
445 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
446 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
447 | #else |
442 | #else |
448 | # define EV_FREQUENT_CHECK do { } while (0) |
443 | # define EV_FREQUENT_CHECK do { } while (0) |
449 | #endif |
444 | #endif |
450 | |
445 | |
451 | /* |
446 | /* |
… | |
… | |
459 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
460 | |
455 | |
461 | #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) */ |
462 | #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) */ |
463 | |
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) |
|
|
461 | |
464 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
465 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
466 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
467 | #else |
465 | #else |
468 | # define expect(expr,value) (expr) |
466 | # define expect(expr,value) (expr) |
… | |
… | |
474 | |
472 | |
475 | #define expect_false(expr) expect ((expr) != 0, 0) |
473 | #define expect_false(expr) expect ((expr) != 0, 0) |
476 | #define expect_true(expr) expect ((expr) != 0, 1) |
474 | #define expect_true(expr) expect ((expr) != 0, 1) |
477 | #define inline_size static inline |
475 | #define inline_size static inline |
478 | |
476 | |
479 | #if EV_MINIMAL |
477 | #if EV_FEATURE_CODE |
|
|
478 | # define inline_speed static inline |
|
|
479 | #else |
480 | # define inline_speed static noinline |
480 | # define inline_speed static noinline |
481 | #else |
|
|
482 | # define inline_speed static inline |
|
|
483 | #endif |
481 | #endif |
484 | |
482 | |
485 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
483 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
486 | |
484 | |
487 | #if EV_MINPRI == EV_MAXPRI |
485 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
500 | #define ev_active(w) ((W)(w))->active |
498 | #define ev_active(w) ((W)(w))->active |
501 | #define ev_at(w) ((WT)(w))->at |
499 | #define ev_at(w) ((WT)(w))->at |
502 | |
500 | |
503 | #if EV_USE_REALTIME |
501 | #if EV_USE_REALTIME |
504 | /* 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 */ |
505 | /* giving it a reasonably high chance of working on typical architetcures */ |
503 | /* giving it a reasonably high chance of working on typical architectures */ |
506 | 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? */ |
507 | #endif |
505 | #endif |
508 | |
506 | |
509 | #if EV_USE_MONOTONIC |
507 | #if EV_USE_MONOTONIC |
510 | 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? */ |
… | |
… | |
523 | #ifdef _WIN32 |
521 | #ifdef _WIN32 |
524 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
525 | #endif |
523 | #endif |
526 | |
524 | |
527 | /*****************************************************************************/ |
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 |
528 | |
576 | |
529 | static void (*syserr_cb)(const char *msg); |
577 | static void (*syserr_cb)(const char *msg); |
530 | |
578 | |
531 | void |
579 | void |
532 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
580 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
542 | |
590 | |
543 | if (syserr_cb) |
591 | if (syserr_cb) |
544 | syserr_cb (msg); |
592 | syserr_cb (msg); |
545 | else |
593 | else |
546 | { |
594 | { |
|
|
595 | #if EV_AVOID_STDIO |
|
|
596 | ev_printerr (msg); |
|
|
597 | ev_printerr (": "); |
|
|
598 | ev_printerr (strerror (errno)); |
|
|
599 | ev_printerr ("\n"); |
|
|
600 | #else |
547 | perror (msg); |
601 | perror (msg); |
|
|
602 | #endif |
548 | abort (); |
603 | abort (); |
549 | } |
604 | } |
550 | } |
605 | } |
551 | |
606 | |
552 | static void * |
607 | static void * |
553 | ev_realloc_emul (void *ptr, long size) |
608 | ev_realloc_emul (void *ptr, long size) |
554 | { |
609 | { |
|
|
610 | #if __GLIBC__ |
|
|
611 | return realloc (ptr, size); |
|
|
612 | #else |
555 | /* some systems, notably openbsd and darwin, fail to properly |
613 | /* some systems, notably openbsd and darwin, fail to properly |
556 | * 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 |
557 | * the single unix specification, so work around them here. |
615 | * the single unix specification, so work around them here. |
558 | */ |
616 | */ |
559 | |
617 | |
560 | if (size) |
618 | if (size) |
561 | return realloc (ptr, size); |
619 | return realloc (ptr, size); |
562 | |
620 | |
563 | free (ptr); |
621 | free (ptr); |
564 | return 0; |
622 | return 0; |
|
|
623 | #endif |
565 | } |
624 | } |
566 | |
625 | |
567 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
626 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
568 | |
627 | |
569 | void |
628 | void |
… | |
… | |
577 | { |
636 | { |
578 | ptr = alloc (ptr, size); |
637 | ptr = alloc (ptr, size); |
579 | |
638 | |
580 | if (!ptr && size) |
639 | if (!ptr && size) |
581 | { |
640 | { |
|
|
641 | #if EV_AVOID_STDIO |
|
|
642 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
|
|
643 | #else |
582 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
644 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
|
|
645 | #endif |
583 | abort (); |
646 | abort (); |
584 | } |
647 | } |
585 | |
648 | |
586 | return ptr; |
649 | return ptr; |
587 | } |
650 | } |
… | |
… | |
603 | 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 */ |
604 | unsigned char unused; |
667 | unsigned char unused; |
605 | #if EV_USE_EPOLL |
668 | #if EV_USE_EPOLL |
606 | unsigned int egen; /* generation counter to counter epoll bugs */ |
669 | unsigned int egen; /* generation counter to counter epoll bugs */ |
607 | #endif |
670 | #endif |
608 | #if EV_SELECT_IS_WINSOCKET |
671 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
609 | SOCKET handle; |
672 | SOCKET handle; |
|
|
673 | #endif |
|
|
674 | #if EV_USE_IOCP |
|
|
675 | OVERLAPPED or, ow; |
610 | #endif |
676 | #endif |
611 | } ANFD; |
677 | } ANFD; |
612 | |
678 | |
613 | /* stores the pending event set for a given watcher */ |
679 | /* stores the pending event set for a given watcher */ |
614 | typedef struct |
680 | typedef struct |
… | |
… | |
669 | |
735 | |
670 | static int ev_default_loop_ptr; |
736 | static int ev_default_loop_ptr; |
671 | |
737 | |
672 | #endif |
738 | #endif |
673 | |
739 | |
674 | #if EV_MINIMAL < 2 |
740 | #if EV_FEATURE_API |
675 | # 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) |
676 | # 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) |
677 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
743 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
678 | #else |
744 | #else |
679 | # define EV_RELEASE_CB (void)0 |
745 | # define EV_RELEASE_CB (void)0 |
680 | # define EV_ACQUIRE_CB (void)0 |
746 | # define EV_ACQUIRE_CB (void)0 |
681 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
747 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
682 | #endif |
748 | #endif |
683 | |
749 | |
684 | #define EVUNLOOP_RECURSE 0x80 |
750 | #define EVBREAK_RECURSE 0x80 |
685 | |
751 | |
686 | /*****************************************************************************/ |
752 | /*****************************************************************************/ |
687 | |
753 | |
688 | #ifndef EV_HAVE_EV_TIME |
754 | #ifndef EV_HAVE_EV_TIME |
689 | ev_tstamp |
755 | ev_tstamp |
… | |
… | |
733 | if (delay > 0.) |
799 | if (delay > 0.) |
734 | { |
800 | { |
735 | #if EV_USE_NANOSLEEP |
801 | #if EV_USE_NANOSLEEP |
736 | struct timespec ts; |
802 | struct timespec ts; |
737 | |
803 | |
738 | ts.tv_sec = (time_t)delay; |
804 | EV_TS_SET (ts, delay); |
739 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
740 | |
|
|
741 | nanosleep (&ts, 0); |
805 | nanosleep (&ts, 0); |
742 | #elif defined(_WIN32) |
806 | #elif defined(_WIN32) |
743 | Sleep ((unsigned long)(delay * 1e3)); |
807 | Sleep ((unsigned long)(delay * 1e3)); |
744 | #else |
808 | #else |
745 | struct timeval tv; |
809 | struct timeval tv; |
746 | |
810 | |
747 | tv.tv_sec = (time_t)delay; |
|
|
748 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
749 | |
|
|
750 | /* 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 */ |
751 | /* something not guaranteed by newer posix versions, but guaranteed */ |
812 | /* something not guaranteed by newer posix versions, but guaranteed */ |
752 | /* by older ones */ |
813 | /* by older ones */ |
|
|
814 | EV_TV_SET (tv, delay); |
753 | select (0, 0, 0, 0, &tv); |
815 | select (0, 0, 0, 0, &tv); |
754 | #endif |
816 | #endif |
755 | } |
817 | } |
756 | } |
818 | } |
757 | |
819 | |
758 | /*****************************************************************************/ |
820 | /*****************************************************************************/ |
759 | |
821 | |
760 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
822 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
761 | |
823 | |
762 | /* find a suitable new size for the given array, */ |
824 | /* find a suitable new size for the given array, */ |
763 | /* hopefully by rounding to a ncie-to-malloc size */ |
825 | /* hopefully by rounding to a nice-to-malloc size */ |
764 | inline_size int |
826 | inline_size int |
765 | array_nextsize (int elem, int cur, int cnt) |
827 | array_nextsize (int elem, int cur, int cnt) |
766 | { |
828 | { |
767 | int ncur = cur + 1; |
829 | int ncur = cur + 1; |
768 | |
830 | |
… | |
… | |
864 | } |
926 | } |
865 | |
927 | |
866 | /*****************************************************************************/ |
928 | /*****************************************************************************/ |
867 | |
929 | |
868 | inline_speed void |
930 | inline_speed void |
869 | fd_event_nc (EV_P_ int fd, int revents) |
931 | fd_event_nocheck (EV_P_ int fd, int revents) |
870 | { |
932 | { |
871 | ANFD *anfd = anfds + fd; |
933 | ANFD *anfd = anfds + fd; |
872 | ev_io *w; |
934 | ev_io *w; |
873 | |
935 | |
874 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
936 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
886 | fd_event (EV_P_ int fd, int revents) |
948 | fd_event (EV_P_ int fd, int revents) |
887 | { |
949 | { |
888 | ANFD *anfd = anfds + fd; |
950 | ANFD *anfd = anfds + fd; |
889 | |
951 | |
890 | if (expect_true (!anfd->reify)) |
952 | if (expect_true (!anfd->reify)) |
891 | fd_event_nc (EV_A_ fd, revents); |
953 | fd_event_nocheck (EV_A_ fd, revents); |
892 | } |
954 | } |
893 | |
955 | |
894 | void |
956 | void |
895 | ev_feed_fd_event (EV_P_ int fd, int revents) |
957 | ev_feed_fd_event (EV_P_ int fd, int revents) |
896 | { |
958 | { |
897 | if (fd >= 0 && fd < anfdmax) |
959 | if (fd >= 0 && fd < anfdmax) |
898 | fd_event_nc (EV_A_ fd, revents); |
960 | fd_event_nocheck (EV_A_ fd, revents); |
899 | } |
961 | } |
900 | |
962 | |
901 | /* make sure the external fd watch events are in-sync */ |
963 | /* make sure the external fd watch events are in-sync */ |
902 | /* with the kernel/libev internal state */ |
964 | /* with the kernel/libev internal state */ |
903 | inline_size void |
965 | inline_size void |
… | |
… | |
909 | { |
971 | { |
910 | int fd = fdchanges [i]; |
972 | int fd = fdchanges [i]; |
911 | ANFD *anfd = anfds + fd; |
973 | ANFD *anfd = anfds + fd; |
912 | ev_io *w; |
974 | ev_io *w; |
913 | |
975 | |
914 | unsigned char events = 0; |
976 | unsigned char o_events = anfd->events; |
|
|
977 | unsigned char o_reify = anfd->reify; |
915 | |
978 | |
916 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
979 | anfd->reify = 0; |
917 | events |= (unsigned char)w->events; |
|
|
918 | |
980 | |
919 | #if EV_SELECT_IS_WINSOCKET |
981 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
920 | if (events) |
982 | if (o_reify & EV__IOFDSET) |
921 | { |
983 | { |
922 | unsigned long arg; |
984 | unsigned long arg; |
923 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
985 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
924 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
986 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
987 | printf ("oi %d %x\n", fd, anfd->handle);//D |
925 | } |
988 | } |
926 | #endif |
989 | #endif |
927 | |
990 | |
|
|
991 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
928 | { |
992 | { |
929 | unsigned char o_events = anfd->events; |
|
|
930 | unsigned char o_reify = anfd->reify; |
|
|
931 | |
|
|
932 | anfd->reify = 0; |
|
|
933 | anfd->events = events; |
993 | anfd->events = 0; |
934 | |
994 | |
935 | if (o_events != events || o_reify & EV__IOFDSET) |
995 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
996 | anfd->events |= (unsigned char)w->events; |
|
|
997 | |
|
|
998 | if (o_events != anfd->events) |
|
|
999 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
1000 | } |
|
|
1001 | |
|
|
1002 | if (o_reify & EV__IOFDSET) |
936 | backend_modify (EV_A_ fd, o_events, events); |
1003 | backend_modify (EV_A_ fd, o_events, anfd->events); |
937 | } |
|
|
938 | } |
1004 | } |
939 | |
1005 | |
940 | fdchangecnt = 0; |
1006 | fdchangecnt = 0; |
941 | } |
1007 | } |
942 | |
1008 | |
… | |
… | |
966 | ev_io_stop (EV_A_ w); |
1032 | ev_io_stop (EV_A_ w); |
967 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1033 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
968 | } |
1034 | } |
969 | } |
1035 | } |
970 | |
1036 | |
971 | /* check whether the given fd is atcually valid, for error recovery */ |
1037 | /* check whether the given fd is actually valid, for error recovery */ |
972 | inline_size int |
1038 | inline_size int |
973 | fd_valid (int fd) |
1039 | fd_valid (int fd) |
974 | { |
1040 | { |
975 | #ifdef _WIN32 |
1041 | #ifdef _WIN32 |
976 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1042 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
… | |
… | |
1018 | anfds [fd].emask = 0; |
1084 | anfds [fd].emask = 0; |
1019 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1085 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1020 | } |
1086 | } |
1021 | } |
1087 | } |
1022 | |
1088 | |
|
|
1089 | /* used to prepare libev internal fd's */ |
|
|
1090 | /* this is not fork-safe */ |
|
|
1091 | inline_speed void |
|
|
1092 | fd_intern (int fd) |
|
|
1093 | { |
|
|
1094 | #ifdef _WIN32 |
|
|
1095 | unsigned long arg = 1; |
|
|
1096 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1097 | #else |
|
|
1098 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1099 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1100 | #endif |
|
|
1101 | } |
|
|
1102 | |
1023 | /*****************************************************************************/ |
1103 | /*****************************************************************************/ |
1024 | |
1104 | |
1025 | /* |
1105 | /* |
1026 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1106 | * the heap functions want a real array index. array index 0 is guaranteed to not |
1027 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1107 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1028 | * the branching factor of the d-tree. |
1108 | * the branching factor of the d-tree. |
1029 | */ |
1109 | */ |
1030 | |
1110 | |
1031 | /* |
1111 | /* |
… | |
… | |
1179 | |
1259 | |
1180 | static ANSIG signals [EV_NSIG - 1]; |
1260 | static ANSIG signals [EV_NSIG - 1]; |
1181 | |
1261 | |
1182 | /*****************************************************************************/ |
1262 | /*****************************************************************************/ |
1183 | |
1263 | |
1184 | /* used to prepare libev internal fd's */ |
1264 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1185 | /* this is not fork-safe */ |
|
|
1186 | inline_speed void |
|
|
1187 | fd_intern (int fd) |
|
|
1188 | { |
|
|
1189 | #ifdef _WIN32 |
|
|
1190 | unsigned long arg = 1; |
|
|
1191 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1192 | #else |
|
|
1193 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1194 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1195 | #endif |
|
|
1196 | } |
|
|
1197 | |
1265 | |
1198 | static void noinline |
1266 | static void noinline |
1199 | evpipe_init (EV_P) |
1267 | evpipe_init (EV_P) |
1200 | { |
1268 | { |
1201 | if (!ev_is_active (&pipe_w)) |
1269 | if (!ev_is_active (&pipe_w)) |
1202 | { |
1270 | { |
1203 | #if EV_USE_EVENTFD |
1271 | # if EV_USE_EVENTFD |
1204 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1272 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1205 | if (evfd < 0 && errno == EINVAL) |
1273 | if (evfd < 0 && errno == EINVAL) |
1206 | evfd = eventfd (0, 0); |
1274 | evfd = eventfd (0, 0); |
1207 | |
1275 | |
1208 | if (evfd >= 0) |
1276 | if (evfd >= 0) |
… | |
… | |
1210 | evpipe [0] = -1; |
1278 | evpipe [0] = -1; |
1211 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1279 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1212 | ev_io_set (&pipe_w, evfd, EV_READ); |
1280 | ev_io_set (&pipe_w, evfd, EV_READ); |
1213 | } |
1281 | } |
1214 | else |
1282 | else |
1215 | #endif |
1283 | # endif |
1216 | { |
1284 | { |
1217 | while (pipe (evpipe)) |
1285 | while (pipe (evpipe)) |
1218 | ev_syserr ("(libev) error creating signal/async pipe"); |
1286 | ev_syserr ("(libev) error creating signal/async pipe"); |
1219 | |
1287 | |
1220 | fd_intern (evpipe [0]); |
1288 | fd_intern (evpipe [0]); |
… | |
… | |
1231 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1299 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1232 | { |
1300 | { |
1233 | if (!*flag) |
1301 | if (!*flag) |
1234 | { |
1302 | { |
1235 | int old_errno = errno; /* save errno because write might clobber it */ |
1303 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1304 | char dummy; |
1236 | |
1305 | |
1237 | *flag = 1; |
1306 | *flag = 1; |
1238 | |
1307 | |
1239 | #if EV_USE_EVENTFD |
1308 | #if EV_USE_EVENTFD |
1240 | if (evfd >= 0) |
1309 | if (evfd >= 0) |
… | |
… | |
1242 | uint64_t counter = 1; |
1311 | uint64_t counter = 1; |
1243 | write (evfd, &counter, sizeof (uint64_t)); |
1312 | write (evfd, &counter, sizeof (uint64_t)); |
1244 | } |
1313 | } |
1245 | else |
1314 | else |
1246 | #endif |
1315 | #endif |
|
|
1316 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1317 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1318 | /* so when you think this write should be a send instead, please find out */ |
|
|
1319 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1320 | /* tell me. thank you. */ |
1247 | write (evpipe [1], &old_errno, 1); |
1321 | write (evpipe [1], &dummy, 1); |
1248 | |
1322 | |
1249 | errno = old_errno; |
1323 | errno = old_errno; |
1250 | } |
1324 | } |
1251 | } |
1325 | } |
1252 | |
1326 | |
… | |
… | |
1265 | } |
1339 | } |
1266 | else |
1340 | else |
1267 | #endif |
1341 | #endif |
1268 | { |
1342 | { |
1269 | char dummy; |
1343 | char dummy; |
|
|
1344 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1270 | read (evpipe [0], &dummy, 1); |
1345 | read (evpipe [0], &dummy, 1); |
1271 | } |
1346 | } |
1272 | |
1347 | |
1273 | if (sig_pending) |
1348 | if (sig_pending) |
1274 | { |
1349 | { |
… | |
… | |
1294 | #endif |
1369 | #endif |
1295 | } |
1370 | } |
1296 | |
1371 | |
1297 | /*****************************************************************************/ |
1372 | /*****************************************************************************/ |
1298 | |
1373 | |
|
|
1374 | void |
|
|
1375 | ev_feed_signal (int signum) |
|
|
1376 | { |
|
|
1377 | #if EV_MULTIPLICITY |
|
|
1378 | EV_P = signals [signum - 1].loop; |
|
|
1379 | |
|
|
1380 | if (!EV_A) |
|
|
1381 | return; |
|
|
1382 | #endif |
|
|
1383 | |
|
|
1384 | signals [signum - 1].pending = 1; |
|
|
1385 | evpipe_write (EV_A_ &sig_pending); |
|
|
1386 | } |
|
|
1387 | |
1299 | static void |
1388 | static void |
1300 | ev_sighandler (int signum) |
1389 | ev_sighandler (int signum) |
1301 | { |
1390 | { |
1302 | #if EV_MULTIPLICITY |
|
|
1303 | EV_P = signals [signum - 1].loop; |
|
|
1304 | #endif |
|
|
1305 | |
|
|
1306 | #ifdef _WIN32 |
1391 | #ifdef _WIN32 |
1307 | signal (signum, ev_sighandler); |
1392 | signal (signum, ev_sighandler); |
1308 | #endif |
1393 | #endif |
1309 | |
1394 | |
1310 | signals [signum - 1].pending = 1; |
1395 | ev_feed_signal (signum); |
1311 | evpipe_write (EV_A_ &sig_pending); |
|
|
1312 | } |
1396 | } |
1313 | |
1397 | |
1314 | void noinline |
1398 | void noinline |
1315 | ev_feed_signal_event (EV_P_ int signum) |
1399 | ev_feed_signal_event (EV_P_ int signum) |
1316 | { |
1400 | { |
… | |
… | |
1353 | break; |
1437 | break; |
1354 | } |
1438 | } |
1355 | } |
1439 | } |
1356 | #endif |
1440 | #endif |
1357 | |
1441 | |
|
|
1442 | #endif |
|
|
1443 | |
1358 | /*****************************************************************************/ |
1444 | /*****************************************************************************/ |
1359 | |
1445 | |
|
|
1446 | #if EV_CHILD_ENABLE |
1360 | static WL childs [EV_PID_HASHSIZE]; |
1447 | static WL childs [EV_PID_HASHSIZE]; |
1361 | |
|
|
1362 | #ifndef _WIN32 |
|
|
1363 | |
1448 | |
1364 | static ev_signal childev; |
1449 | static ev_signal childev; |
1365 | |
1450 | |
1366 | #ifndef WIFCONTINUED |
1451 | #ifndef WIFCONTINUED |
1367 | # define WIFCONTINUED(status) 0 |
1452 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1372 | child_reap (EV_P_ int chain, int pid, int status) |
1457 | child_reap (EV_P_ int chain, int pid, int status) |
1373 | { |
1458 | { |
1374 | ev_child *w; |
1459 | ev_child *w; |
1375 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1460 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1376 | |
1461 | |
1377 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1462 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1378 | { |
1463 | { |
1379 | if ((w->pid == pid || !w->pid) |
1464 | if ((w->pid == pid || !w->pid) |
1380 | && (!traced || (w->flags & 1))) |
1465 | && (!traced || (w->flags & 1))) |
1381 | { |
1466 | { |
1382 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1467 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1407 | /* make sure we are called again until all children have been reaped */ |
1492 | /* make sure we are called again until all children have been reaped */ |
1408 | /* we need to do it this way so that the callback gets called before we continue */ |
1493 | /* we need to do it this way so that the callback gets called before we continue */ |
1409 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1494 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1410 | |
1495 | |
1411 | child_reap (EV_A_ pid, pid, status); |
1496 | child_reap (EV_A_ pid, pid, status); |
1412 | if (EV_PID_HASHSIZE > 1) |
1497 | if ((EV_PID_HASHSIZE) > 1) |
1413 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1498 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1414 | } |
1499 | } |
1415 | |
1500 | |
1416 | #endif |
1501 | #endif |
1417 | |
1502 | |
1418 | /*****************************************************************************/ |
1503 | /*****************************************************************************/ |
1419 | |
1504 | |
|
|
1505 | #if EV_USE_IOCP |
|
|
1506 | # include "ev_iocp.c" |
|
|
1507 | #endif |
1420 | #if EV_USE_PORT |
1508 | #if EV_USE_PORT |
1421 | # include "ev_port.c" |
1509 | # include "ev_port.c" |
1422 | #endif |
1510 | #endif |
1423 | #if EV_USE_KQUEUE |
1511 | #if EV_USE_KQUEUE |
1424 | # include "ev_kqueue.c" |
1512 | # include "ev_kqueue.c" |
… | |
… | |
1484 | #ifdef __APPLE__ |
1572 | #ifdef __APPLE__ |
1485 | /* only select works correctly on that "unix-certified" platform */ |
1573 | /* only select works correctly on that "unix-certified" platform */ |
1486 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1574 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1487 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1575 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1488 | #endif |
1576 | #endif |
|
|
1577 | #ifdef __FreeBSD__ |
|
|
1578 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1579 | #endif |
1489 | |
1580 | |
1490 | return flags; |
1581 | return flags; |
1491 | } |
1582 | } |
1492 | |
1583 | |
1493 | unsigned int |
1584 | unsigned int |
1494 | ev_embeddable_backends (void) |
1585 | ev_embeddable_backends (void) |
1495 | { |
1586 | { |
1496 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1587 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1497 | |
1588 | |
1498 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1589 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1499 | /* please fix it and tell me how to detect the fix */ |
1590 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1500 | flags &= ~EVBACKEND_EPOLL; |
1591 | flags &= ~EVBACKEND_EPOLL; |
1501 | |
1592 | |
1502 | return flags; |
1593 | return flags; |
1503 | } |
1594 | } |
1504 | |
1595 | |
1505 | unsigned int |
1596 | unsigned int |
1506 | ev_backend (EV_P) |
1597 | ev_backend (EV_P) |
1507 | { |
1598 | { |
1508 | return backend; |
1599 | return backend; |
1509 | } |
1600 | } |
1510 | |
1601 | |
1511 | #if EV_MINIMAL < 2 |
1602 | #if EV_FEATURE_API |
1512 | unsigned int |
1603 | unsigned int |
1513 | ev_loop_count (EV_P) |
1604 | ev_iteration (EV_P) |
1514 | { |
1605 | { |
1515 | return loop_count; |
1606 | return loop_count; |
1516 | } |
1607 | } |
1517 | |
1608 | |
1518 | unsigned int |
1609 | unsigned int |
1519 | ev_loop_depth (EV_P) |
1610 | ev_depth (EV_P) |
1520 | { |
1611 | { |
1521 | return loop_depth; |
1612 | return loop_depth; |
1522 | } |
1613 | } |
1523 | |
1614 | |
1524 | void |
1615 | void |
… | |
… | |
1561 | static void noinline |
1652 | static void noinline |
1562 | loop_init (EV_P_ unsigned int flags) |
1653 | loop_init (EV_P_ unsigned int flags) |
1563 | { |
1654 | { |
1564 | if (!backend) |
1655 | if (!backend) |
1565 | { |
1656 | { |
|
|
1657 | origflags = flags; |
|
|
1658 | |
1566 | #if EV_USE_REALTIME |
1659 | #if EV_USE_REALTIME |
1567 | if (!have_realtime) |
1660 | if (!have_realtime) |
1568 | { |
1661 | { |
1569 | struct timespec ts; |
1662 | struct timespec ts; |
1570 | |
1663 | |
… | |
… | |
1596 | |
1689 | |
1597 | ev_rt_now = ev_time (); |
1690 | ev_rt_now = ev_time (); |
1598 | mn_now = get_clock (); |
1691 | mn_now = get_clock (); |
1599 | now_floor = mn_now; |
1692 | now_floor = mn_now; |
1600 | rtmn_diff = ev_rt_now - mn_now; |
1693 | rtmn_diff = ev_rt_now - mn_now; |
1601 | #if EV_MINIMAL < 2 |
1694 | #if EV_FEATURE_API |
1602 | invoke_cb = ev_invoke_pending; |
1695 | invoke_cb = ev_invoke_pending; |
1603 | #endif |
1696 | #endif |
1604 | |
1697 | |
1605 | io_blocktime = 0.; |
1698 | io_blocktime = 0.; |
1606 | timeout_blocktime = 0.; |
1699 | timeout_blocktime = 0.; |
… | |
… | |
1615 | #endif |
1708 | #endif |
1616 | #if EV_USE_SIGNALFD |
1709 | #if EV_USE_SIGNALFD |
1617 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1710 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1618 | #endif |
1711 | #endif |
1619 | |
1712 | |
1620 | if (!(flags & 0x0000ffffU)) |
1713 | if (!(flags & EVBACKEND_MASK)) |
1621 | flags |= ev_recommended_backends (); |
1714 | flags |= ev_recommended_backends (); |
1622 | |
1715 | |
|
|
1716 | #if EV_USE_IOCP |
|
|
1717 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1718 | #endif |
1623 | #if EV_USE_PORT |
1719 | #if EV_USE_PORT |
1624 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1720 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1625 | #endif |
1721 | #endif |
1626 | #if EV_USE_KQUEUE |
1722 | #if EV_USE_KQUEUE |
1627 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1723 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1636 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1732 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1637 | #endif |
1733 | #endif |
1638 | |
1734 | |
1639 | ev_prepare_init (&pending_w, pendingcb); |
1735 | ev_prepare_init (&pending_w, pendingcb); |
1640 | |
1736 | |
|
|
1737 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1641 | ev_init (&pipe_w, pipecb); |
1738 | ev_init (&pipe_w, pipecb); |
1642 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1739 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1740 | #endif |
1643 | } |
1741 | } |
1644 | } |
1742 | } |
1645 | |
1743 | |
1646 | /* free up a loop structure */ |
1744 | /* free up a loop structure */ |
1647 | static void noinline |
1745 | void |
1648 | loop_destroy (EV_P) |
1746 | ev_loop_destroy (EV_P) |
1649 | { |
1747 | { |
1650 | int i; |
1748 | int i; |
|
|
1749 | |
|
|
1750 | #if EV_MULTIPLICITY |
|
|
1751 | /* mimic free (0) */ |
|
|
1752 | if (!EV_A) |
|
|
1753 | return; |
|
|
1754 | #endif |
|
|
1755 | |
|
|
1756 | #if EV_CLEANUP_ENABLE |
|
|
1757 | /* queue cleanup watchers (and execute them) */ |
|
|
1758 | if (expect_false (cleanupcnt)) |
|
|
1759 | { |
|
|
1760 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1761 | EV_INVOKE_PENDING; |
|
|
1762 | } |
|
|
1763 | #endif |
|
|
1764 | |
|
|
1765 | #if EV_CHILD_ENABLE |
|
|
1766 | if (ev_is_active (&childev)) |
|
|
1767 | { |
|
|
1768 | ev_ref (EV_A); /* child watcher */ |
|
|
1769 | ev_signal_stop (EV_A_ &childev); |
|
|
1770 | } |
|
|
1771 | #endif |
1651 | |
1772 | |
1652 | if (ev_is_active (&pipe_w)) |
1773 | if (ev_is_active (&pipe_w)) |
1653 | { |
1774 | { |
1654 | /*ev_ref (EV_A);*/ |
1775 | /*ev_ref (EV_A);*/ |
1655 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1776 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1677 | #endif |
1798 | #endif |
1678 | |
1799 | |
1679 | if (backend_fd >= 0) |
1800 | if (backend_fd >= 0) |
1680 | close (backend_fd); |
1801 | close (backend_fd); |
1681 | |
1802 | |
|
|
1803 | #if EV_USE_IOCP |
|
|
1804 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1805 | #endif |
1682 | #if EV_USE_PORT |
1806 | #if EV_USE_PORT |
1683 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1807 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1684 | #endif |
1808 | #endif |
1685 | #if EV_USE_KQUEUE |
1809 | #if EV_USE_KQUEUE |
1686 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1810 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1713 | array_free (periodic, EMPTY); |
1837 | array_free (periodic, EMPTY); |
1714 | #endif |
1838 | #endif |
1715 | #if EV_FORK_ENABLE |
1839 | #if EV_FORK_ENABLE |
1716 | array_free (fork, EMPTY); |
1840 | array_free (fork, EMPTY); |
1717 | #endif |
1841 | #endif |
|
|
1842 | #if EV_CLEANUP_ENABLE |
|
|
1843 | array_free (cleanup, EMPTY); |
|
|
1844 | #endif |
1718 | array_free (prepare, EMPTY); |
1845 | array_free (prepare, EMPTY); |
1719 | array_free (check, EMPTY); |
1846 | array_free (check, EMPTY); |
1720 | #if EV_ASYNC_ENABLE |
1847 | #if EV_ASYNC_ENABLE |
1721 | array_free (async, EMPTY); |
1848 | array_free (async, EMPTY); |
1722 | #endif |
1849 | #endif |
1723 | |
1850 | |
1724 | backend = 0; |
1851 | backend = 0; |
|
|
1852 | |
|
|
1853 | #if EV_MULTIPLICITY |
|
|
1854 | if (ev_is_default_loop (EV_A)) |
|
|
1855 | #endif |
|
|
1856 | ev_default_loop_ptr = 0; |
|
|
1857 | #if EV_MULTIPLICITY |
|
|
1858 | else |
|
|
1859 | ev_free (EV_A); |
|
|
1860 | #endif |
1725 | } |
1861 | } |
1726 | |
1862 | |
1727 | #if EV_USE_INOTIFY |
1863 | #if EV_USE_INOTIFY |
1728 | inline_size void infy_fork (EV_P); |
1864 | inline_size void infy_fork (EV_P); |
1729 | #endif |
1865 | #endif |
… | |
… | |
1765 | { |
1901 | { |
1766 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1902 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1767 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1903 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1768 | } |
1904 | } |
1769 | |
1905 | |
|
|
1906 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1770 | evpipe_init (EV_A); |
1907 | evpipe_init (EV_A); |
1771 | /* now iterate over everything, in case we missed something */ |
1908 | /* now iterate over everything, in case we missed something */ |
1772 | pipecb (EV_A_ &pipe_w, EV_READ); |
1909 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1910 | #endif |
1773 | } |
1911 | } |
1774 | |
1912 | |
1775 | postfork = 0; |
1913 | postfork = 0; |
1776 | } |
1914 | } |
1777 | |
1915 | |
… | |
… | |
1786 | loop_init (EV_A_ flags); |
1924 | loop_init (EV_A_ flags); |
1787 | |
1925 | |
1788 | if (ev_backend (EV_A)) |
1926 | if (ev_backend (EV_A)) |
1789 | return EV_A; |
1927 | return EV_A; |
1790 | |
1928 | |
|
|
1929 | ev_free (EV_A); |
1791 | return 0; |
1930 | return 0; |
1792 | } |
1931 | } |
1793 | |
1932 | |
1794 | void |
|
|
1795 | ev_loop_destroy (EV_P) |
|
|
1796 | { |
|
|
1797 | loop_destroy (EV_A); |
|
|
1798 | ev_free (loop); |
|
|
1799 | } |
|
|
1800 | |
|
|
1801 | void |
|
|
1802 | ev_loop_fork (EV_P) |
|
|
1803 | { |
|
|
1804 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1805 | } |
|
|
1806 | #endif /* multiplicity */ |
1933 | #endif /* multiplicity */ |
1807 | |
1934 | |
1808 | #if EV_VERIFY |
1935 | #if EV_VERIFY |
1809 | static void noinline |
1936 | static void noinline |
1810 | verify_watcher (EV_P_ W w) |
1937 | verify_watcher (EV_P_ W w) |
… | |
… | |
1839 | verify_watcher (EV_A_ ws [cnt]); |
1966 | verify_watcher (EV_A_ ws [cnt]); |
1840 | } |
1967 | } |
1841 | } |
1968 | } |
1842 | #endif |
1969 | #endif |
1843 | |
1970 | |
1844 | #if EV_MINIMAL < 2 |
1971 | #if EV_FEATURE_API |
1845 | void |
1972 | void |
1846 | ev_loop_verify (EV_P) |
1973 | ev_verify (EV_P) |
1847 | { |
1974 | { |
1848 | #if EV_VERIFY |
1975 | #if EV_VERIFY |
1849 | int i; |
1976 | int i; |
1850 | WL w; |
1977 | WL w; |
1851 | |
1978 | |
… | |
… | |
1885 | #if EV_FORK_ENABLE |
2012 | #if EV_FORK_ENABLE |
1886 | assert (forkmax >= forkcnt); |
2013 | assert (forkmax >= forkcnt); |
1887 | array_verify (EV_A_ (W *)forks, forkcnt); |
2014 | array_verify (EV_A_ (W *)forks, forkcnt); |
1888 | #endif |
2015 | #endif |
1889 | |
2016 | |
|
|
2017 | #if EV_CLEANUP_ENABLE |
|
|
2018 | assert (cleanupmax >= cleanupcnt); |
|
|
2019 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2020 | #endif |
|
|
2021 | |
1890 | #if EV_ASYNC_ENABLE |
2022 | #if EV_ASYNC_ENABLE |
1891 | assert (asyncmax >= asynccnt); |
2023 | assert (asyncmax >= asynccnt); |
1892 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2024 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1893 | #endif |
2025 | #endif |
1894 | |
2026 | |
|
|
2027 | #if EV_PREPARE_ENABLE |
1895 | assert (preparemax >= preparecnt); |
2028 | assert (preparemax >= preparecnt); |
1896 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2029 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2030 | #endif |
1897 | |
2031 | |
|
|
2032 | #if EV_CHECK_ENABLE |
1898 | assert (checkmax >= checkcnt); |
2033 | assert (checkmax >= checkcnt); |
1899 | array_verify (EV_A_ (W *)checks, checkcnt); |
2034 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2035 | #endif |
1900 | |
2036 | |
1901 | # if 0 |
2037 | # if 0 |
|
|
2038 | #if EV_CHILD_ENABLE |
1902 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2039 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1903 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
2040 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2041 | #endif |
1904 | # endif |
2042 | # endif |
1905 | #endif |
2043 | #endif |
1906 | } |
2044 | } |
1907 | #endif |
2045 | #endif |
1908 | |
2046 | |
1909 | #if EV_MULTIPLICITY |
2047 | #if EV_MULTIPLICITY |
1910 | struct ev_loop * |
2048 | struct ev_loop * |
1911 | ev_default_loop_init (unsigned int flags) |
|
|
1912 | #else |
2049 | #else |
1913 | int |
2050 | int |
|
|
2051 | #endif |
1914 | ev_default_loop (unsigned int flags) |
2052 | ev_default_loop (unsigned int flags) |
1915 | #endif |
|
|
1916 | { |
2053 | { |
1917 | if (!ev_default_loop_ptr) |
2054 | if (!ev_default_loop_ptr) |
1918 | { |
2055 | { |
1919 | #if EV_MULTIPLICITY |
2056 | #if EV_MULTIPLICITY |
1920 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2057 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1924 | |
2061 | |
1925 | loop_init (EV_A_ flags); |
2062 | loop_init (EV_A_ flags); |
1926 | |
2063 | |
1927 | if (ev_backend (EV_A)) |
2064 | if (ev_backend (EV_A)) |
1928 | { |
2065 | { |
1929 | #ifndef _WIN32 |
2066 | #if EV_CHILD_ENABLE |
1930 | ev_signal_init (&childev, childcb, SIGCHLD); |
2067 | ev_signal_init (&childev, childcb, SIGCHLD); |
1931 | ev_set_priority (&childev, EV_MAXPRI); |
2068 | ev_set_priority (&childev, EV_MAXPRI); |
1932 | ev_signal_start (EV_A_ &childev); |
2069 | ev_signal_start (EV_A_ &childev); |
1933 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2070 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1934 | #endif |
2071 | #endif |
… | |
… | |
1939 | |
2076 | |
1940 | return ev_default_loop_ptr; |
2077 | return ev_default_loop_ptr; |
1941 | } |
2078 | } |
1942 | |
2079 | |
1943 | void |
2080 | void |
1944 | ev_default_destroy (void) |
2081 | ev_loop_fork (EV_P) |
1945 | { |
2082 | { |
1946 | #if EV_MULTIPLICITY |
|
|
1947 | EV_P = ev_default_loop_ptr; |
|
|
1948 | #endif |
|
|
1949 | |
|
|
1950 | ev_default_loop_ptr = 0; |
|
|
1951 | |
|
|
1952 | #ifndef _WIN32 |
|
|
1953 | ev_ref (EV_A); /* child watcher */ |
|
|
1954 | ev_signal_stop (EV_A_ &childev); |
|
|
1955 | #endif |
|
|
1956 | |
|
|
1957 | loop_destroy (EV_A); |
|
|
1958 | } |
|
|
1959 | |
|
|
1960 | void |
|
|
1961 | ev_default_fork (void) |
|
|
1962 | { |
|
|
1963 | #if EV_MULTIPLICITY |
|
|
1964 | EV_P = ev_default_loop_ptr; |
|
|
1965 | #endif |
|
|
1966 | |
|
|
1967 | postfork = 1; /* must be in line with ev_loop_fork */ |
2083 | postfork = 1; /* must be in line with ev_default_fork */ |
1968 | } |
2084 | } |
1969 | |
2085 | |
1970 | /*****************************************************************************/ |
2086 | /*****************************************************************************/ |
1971 | |
2087 | |
1972 | void |
2088 | void |
… | |
… | |
1994 | |
2110 | |
1995 | for (pri = NUMPRI; pri--; ) |
2111 | for (pri = NUMPRI; pri--; ) |
1996 | while (pendingcnt [pri]) |
2112 | while (pendingcnt [pri]) |
1997 | { |
2113 | { |
1998 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2114 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1999 | |
|
|
2000 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2001 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
2002 | |
2115 | |
2003 | p->w->pending = 0; |
2116 | p->w->pending = 0; |
2004 | EV_CB_INVOKE (p->w, p->events); |
2117 | EV_CB_INVOKE (p->w, p->events); |
2005 | EV_FREQUENT_CHECK; |
2118 | EV_FREQUENT_CHECK; |
2006 | } |
2119 | } |
… | |
… | |
2063 | EV_FREQUENT_CHECK; |
2176 | EV_FREQUENT_CHECK; |
2064 | feed_reverse (EV_A_ (W)w); |
2177 | feed_reverse (EV_A_ (W)w); |
2065 | } |
2178 | } |
2066 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2179 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2067 | |
2180 | |
2068 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2181 | feed_reverse_done (EV_A_ EV_TIMER); |
2069 | } |
2182 | } |
2070 | } |
2183 | } |
2071 | |
2184 | |
2072 | #if EV_PERIODIC_ENABLE |
2185 | #if EV_PERIODIC_ENABLE |
2073 | /* make periodics pending */ |
2186 | /* make periodics pending */ |
… | |
… | |
2126 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2239 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2127 | } |
2240 | } |
2128 | } |
2241 | } |
2129 | |
2242 | |
2130 | /* simply recalculate all periodics */ |
2243 | /* simply recalculate all periodics */ |
2131 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2244 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2132 | static void noinline |
2245 | static void noinline |
2133 | periodics_reschedule (EV_P) |
2246 | periodics_reschedule (EV_P) |
2134 | { |
2247 | { |
2135 | int i; |
2248 | int i; |
2136 | |
2249 | |
… | |
… | |
2232 | mn_now = ev_rt_now; |
2345 | mn_now = ev_rt_now; |
2233 | } |
2346 | } |
2234 | } |
2347 | } |
2235 | |
2348 | |
2236 | void |
2349 | void |
2237 | ev_loop (EV_P_ int flags) |
2350 | ev_run (EV_P_ int flags) |
2238 | { |
2351 | { |
2239 | #if EV_MINIMAL < 2 |
2352 | #if EV_FEATURE_API |
2240 | ++loop_depth; |
2353 | ++loop_depth; |
2241 | #endif |
2354 | #endif |
2242 | |
2355 | |
2243 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2356 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2244 | |
2357 | |
2245 | loop_done = EVUNLOOP_CANCEL; |
2358 | loop_done = EVBREAK_CANCEL; |
2246 | |
2359 | |
2247 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2360 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2248 | |
2361 | |
2249 | do |
2362 | do |
2250 | { |
2363 | { |
2251 | #if EV_VERIFY >= 2 |
2364 | #if EV_VERIFY >= 2 |
2252 | ev_loop_verify (EV_A); |
2365 | ev_verify (EV_A); |
2253 | #endif |
2366 | #endif |
2254 | |
2367 | |
2255 | #ifndef _WIN32 |
2368 | #ifndef _WIN32 |
2256 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2369 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2257 | if (expect_false (getpid () != curpid)) |
2370 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2269 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2382 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2270 | EV_INVOKE_PENDING; |
2383 | EV_INVOKE_PENDING; |
2271 | } |
2384 | } |
2272 | #endif |
2385 | #endif |
2273 | |
2386 | |
|
|
2387 | #if EV_PREPARE_ENABLE |
2274 | /* queue prepare watchers (and execute them) */ |
2388 | /* queue prepare watchers (and execute them) */ |
2275 | if (expect_false (preparecnt)) |
2389 | if (expect_false (preparecnt)) |
2276 | { |
2390 | { |
2277 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2391 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2278 | EV_INVOKE_PENDING; |
2392 | EV_INVOKE_PENDING; |
2279 | } |
2393 | } |
|
|
2394 | #endif |
2280 | |
2395 | |
2281 | if (expect_false (loop_done)) |
2396 | if (expect_false (loop_done)) |
2282 | break; |
2397 | break; |
2283 | |
2398 | |
2284 | /* we might have forked, so reify kernel state if necessary */ |
2399 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2291 | /* calculate blocking time */ |
2406 | /* calculate blocking time */ |
2292 | { |
2407 | { |
2293 | ev_tstamp waittime = 0.; |
2408 | ev_tstamp waittime = 0.; |
2294 | ev_tstamp sleeptime = 0.; |
2409 | ev_tstamp sleeptime = 0.; |
2295 | |
2410 | |
|
|
2411 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2412 | ev_tstamp prev_mn_now = mn_now; |
|
|
2413 | |
|
|
2414 | /* update time to cancel out callback processing overhead */ |
|
|
2415 | time_update (EV_A_ 1e100); |
|
|
2416 | |
2296 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2417 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2297 | { |
2418 | { |
2298 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2299 | ev_tstamp prev_mn_now = mn_now; |
|
|
2300 | |
|
|
2301 | /* update time to cancel out callback processing overhead */ |
|
|
2302 | time_update (EV_A_ 1e100); |
|
|
2303 | |
|
|
2304 | waittime = MAX_BLOCKTIME; |
2419 | waittime = MAX_BLOCKTIME; |
2305 | |
2420 | |
2306 | if (timercnt) |
2421 | if (timercnt) |
2307 | { |
2422 | { |
2308 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2423 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2335 | waittime -= sleeptime; |
2450 | waittime -= sleeptime; |
2336 | } |
2451 | } |
2337 | } |
2452 | } |
2338 | } |
2453 | } |
2339 | |
2454 | |
2340 | #if EV_MINIMAL < 2 |
2455 | #if EV_FEATURE_API |
2341 | ++loop_count; |
2456 | ++loop_count; |
2342 | #endif |
2457 | #endif |
2343 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2458 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2344 | backend_poll (EV_A_ waittime); |
2459 | backend_poll (EV_A_ waittime); |
2345 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2460 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2346 | |
2461 | |
2347 | /* update ev_rt_now, do magic */ |
2462 | /* update ev_rt_now, do magic */ |
2348 | time_update (EV_A_ waittime + sleeptime); |
2463 | time_update (EV_A_ waittime + sleeptime); |
2349 | } |
2464 | } |
2350 | |
2465 | |
… | |
… | |
2357 | #if EV_IDLE_ENABLE |
2472 | #if EV_IDLE_ENABLE |
2358 | /* queue idle watchers unless other events are pending */ |
2473 | /* queue idle watchers unless other events are pending */ |
2359 | idle_reify (EV_A); |
2474 | idle_reify (EV_A); |
2360 | #endif |
2475 | #endif |
2361 | |
2476 | |
|
|
2477 | #if EV_CHECK_ENABLE |
2362 | /* queue check watchers, to be executed first */ |
2478 | /* queue check watchers, to be executed first */ |
2363 | if (expect_false (checkcnt)) |
2479 | if (expect_false (checkcnt)) |
2364 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2480 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2481 | #endif |
2365 | |
2482 | |
2366 | EV_INVOKE_PENDING; |
2483 | EV_INVOKE_PENDING; |
2367 | } |
2484 | } |
2368 | while (expect_true ( |
2485 | while (expect_true ( |
2369 | activecnt |
2486 | activecnt |
2370 | && !loop_done |
2487 | && !loop_done |
2371 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2488 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2372 | )); |
2489 | )); |
2373 | |
2490 | |
2374 | if (loop_done == EVUNLOOP_ONE) |
2491 | if (loop_done == EVBREAK_ONE) |
2375 | loop_done = EVUNLOOP_CANCEL; |
2492 | loop_done = EVBREAK_CANCEL; |
2376 | |
2493 | |
2377 | #if EV_MINIMAL < 2 |
2494 | #if EV_FEATURE_API |
2378 | --loop_depth; |
2495 | --loop_depth; |
2379 | #endif |
2496 | #endif |
2380 | } |
2497 | } |
2381 | |
2498 | |
2382 | void |
2499 | void |
2383 | ev_unloop (EV_P_ int how) |
2500 | ev_break (EV_P_ int how) |
2384 | { |
2501 | { |
2385 | loop_done = how; |
2502 | loop_done = how; |
2386 | } |
2503 | } |
2387 | |
2504 | |
2388 | void |
2505 | void |
… | |
… | |
2536 | EV_FREQUENT_CHECK; |
2653 | EV_FREQUENT_CHECK; |
2537 | |
2654 | |
2538 | wlist_del (&anfds[w->fd].head, (WL)w); |
2655 | wlist_del (&anfds[w->fd].head, (WL)w); |
2539 | ev_stop (EV_A_ (W)w); |
2656 | ev_stop (EV_A_ (W)w); |
2540 | |
2657 | |
2541 | fd_change (EV_A_ w->fd, 1); |
2658 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2542 | |
2659 | |
2543 | EV_FREQUENT_CHECK; |
2660 | EV_FREQUENT_CHECK; |
2544 | } |
2661 | } |
2545 | |
2662 | |
2546 | void noinline |
2663 | void noinline |
… | |
… | |
2699 | |
2816 | |
2700 | #ifndef SA_RESTART |
2817 | #ifndef SA_RESTART |
2701 | # define SA_RESTART 0 |
2818 | # define SA_RESTART 0 |
2702 | #endif |
2819 | #endif |
2703 | |
2820 | |
|
|
2821 | #if EV_SIGNAL_ENABLE |
|
|
2822 | |
2704 | void noinline |
2823 | void noinline |
2705 | ev_signal_start (EV_P_ ev_signal *w) |
2824 | ev_signal_start (EV_P_ ev_signal *w) |
2706 | { |
2825 | { |
2707 | if (expect_false (ev_is_active (w))) |
2826 | if (expect_false (ev_is_active (w))) |
2708 | return; |
2827 | return; |
… | |
… | |
2768 | sa.sa_handler = ev_sighandler; |
2887 | sa.sa_handler = ev_sighandler; |
2769 | sigfillset (&sa.sa_mask); |
2888 | sigfillset (&sa.sa_mask); |
2770 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2889 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2771 | sigaction (w->signum, &sa, 0); |
2890 | sigaction (w->signum, &sa, 0); |
2772 | |
2891 | |
|
|
2892 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
2893 | { |
2773 | sigemptyset (&sa.sa_mask); |
2894 | sigemptyset (&sa.sa_mask); |
2774 | sigaddset (&sa.sa_mask, w->signum); |
2895 | sigaddset (&sa.sa_mask, w->signum); |
2775 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2896 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
2897 | } |
2776 | #endif |
2898 | #endif |
2777 | } |
2899 | } |
2778 | |
2900 | |
2779 | EV_FREQUENT_CHECK; |
2901 | EV_FREQUENT_CHECK; |
2780 | } |
2902 | } |
… | |
… | |
2814 | } |
2936 | } |
2815 | |
2937 | |
2816 | EV_FREQUENT_CHECK; |
2938 | EV_FREQUENT_CHECK; |
2817 | } |
2939 | } |
2818 | |
2940 | |
|
|
2941 | #endif |
|
|
2942 | |
|
|
2943 | #if EV_CHILD_ENABLE |
|
|
2944 | |
2819 | void |
2945 | void |
2820 | ev_child_start (EV_P_ ev_child *w) |
2946 | ev_child_start (EV_P_ ev_child *w) |
2821 | { |
2947 | { |
2822 | #if EV_MULTIPLICITY |
2948 | #if EV_MULTIPLICITY |
2823 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2949 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2826 | return; |
2952 | return; |
2827 | |
2953 | |
2828 | EV_FREQUENT_CHECK; |
2954 | EV_FREQUENT_CHECK; |
2829 | |
2955 | |
2830 | ev_start (EV_A_ (W)w, 1); |
2956 | ev_start (EV_A_ (W)w, 1); |
2831 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2957 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2832 | |
2958 | |
2833 | EV_FREQUENT_CHECK; |
2959 | EV_FREQUENT_CHECK; |
2834 | } |
2960 | } |
2835 | |
2961 | |
2836 | void |
2962 | void |
… | |
… | |
2840 | if (expect_false (!ev_is_active (w))) |
2966 | if (expect_false (!ev_is_active (w))) |
2841 | return; |
2967 | return; |
2842 | |
2968 | |
2843 | EV_FREQUENT_CHECK; |
2969 | EV_FREQUENT_CHECK; |
2844 | |
2970 | |
2845 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2971 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2846 | ev_stop (EV_A_ (W)w); |
2972 | ev_stop (EV_A_ (W)w); |
2847 | |
2973 | |
2848 | EV_FREQUENT_CHECK; |
2974 | EV_FREQUENT_CHECK; |
2849 | } |
2975 | } |
|
|
2976 | |
|
|
2977 | #endif |
2850 | |
2978 | |
2851 | #if EV_STAT_ENABLE |
2979 | #if EV_STAT_ENABLE |
2852 | |
2980 | |
2853 | # ifdef _WIN32 |
2981 | # ifdef _WIN32 |
2854 | # undef lstat |
2982 | # undef lstat |
… | |
… | |
2921 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3049 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2922 | } |
3050 | } |
2923 | } |
3051 | } |
2924 | |
3052 | |
2925 | if (w->wd >= 0) |
3053 | if (w->wd >= 0) |
2926 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3054 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2927 | |
3055 | |
2928 | /* now re-arm timer, if required */ |
3056 | /* now re-arm timer, if required */ |
2929 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3057 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2930 | ev_timer_again (EV_A_ &w->timer); |
3058 | ev_timer_again (EV_A_ &w->timer); |
2931 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
3059 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
… | |
… | |
2939 | |
3067 | |
2940 | if (wd < 0) |
3068 | if (wd < 0) |
2941 | return; |
3069 | return; |
2942 | |
3070 | |
2943 | w->wd = -2; |
3071 | w->wd = -2; |
2944 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3072 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2945 | wlist_del (&fs_hash [slot].head, (WL)w); |
3073 | wlist_del (&fs_hash [slot].head, (WL)w); |
2946 | |
3074 | |
2947 | /* remove this watcher, if others are watching it, they will rearm */ |
3075 | /* remove this watcher, if others are watching it, they will rearm */ |
2948 | inotify_rm_watch (fs_fd, wd); |
3076 | inotify_rm_watch (fs_fd, wd); |
2949 | } |
3077 | } |
… | |
… | |
2951 | static void noinline |
3079 | static void noinline |
2952 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3080 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2953 | { |
3081 | { |
2954 | if (slot < 0) |
3082 | if (slot < 0) |
2955 | /* overflow, need to check for all hash slots */ |
3083 | /* overflow, need to check for all hash slots */ |
2956 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3084 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2957 | infy_wd (EV_A_ slot, wd, ev); |
3085 | infy_wd (EV_A_ slot, wd, ev); |
2958 | else |
3086 | else |
2959 | { |
3087 | { |
2960 | WL w_; |
3088 | WL w_; |
2961 | |
3089 | |
2962 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3090 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2963 | { |
3091 | { |
2964 | ev_stat *w = (ev_stat *)w_; |
3092 | ev_stat *w = (ev_stat *)w_; |
2965 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3093 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2966 | |
3094 | |
2967 | if (w->wd == wd || wd == -1) |
3095 | if (w->wd == wd || wd == -1) |
2968 | { |
3096 | { |
2969 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3097 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2970 | { |
3098 | { |
2971 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3099 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2972 | w->wd = -1; |
3100 | w->wd = -1; |
2973 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3101 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2974 | } |
3102 | } |
2975 | |
3103 | |
2976 | stat_timer_cb (EV_A_ &w->timer, 0); |
3104 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2993 | ofs += sizeof (struct inotify_event) + ev->len; |
3121 | ofs += sizeof (struct inotify_event) + ev->len; |
2994 | } |
3122 | } |
2995 | } |
3123 | } |
2996 | |
3124 | |
2997 | inline_size void |
3125 | inline_size void |
2998 | check_2625 (EV_P) |
3126 | ev_check_2625 (EV_P) |
2999 | { |
3127 | { |
3000 | /* kernels < 2.6.25 are borked |
3128 | /* kernels < 2.6.25 are borked |
3001 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3129 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3002 | */ |
3130 | */ |
3003 | struct utsname buf; |
3131 | if (ev_linux_version () < 0x020619) |
3004 | int major, minor, micro; |
|
|
3005 | |
|
|
3006 | if (uname (&buf)) |
|
|
3007 | return; |
|
|
3008 | |
|
|
3009 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
3010 | return; |
|
|
3011 | |
|
|
3012 | if (major < 2 |
|
|
3013 | || (major == 2 && minor < 6) |
|
|
3014 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
3015 | return; |
3132 | return; |
3016 | |
3133 | |
3017 | fs_2625 = 1; |
3134 | fs_2625 = 1; |
3018 | } |
3135 | } |
3019 | |
3136 | |
… | |
… | |
3034 | if (fs_fd != -2) |
3151 | if (fs_fd != -2) |
3035 | return; |
3152 | return; |
3036 | |
3153 | |
3037 | fs_fd = -1; |
3154 | fs_fd = -1; |
3038 | |
3155 | |
3039 | check_2625 (EV_A); |
3156 | ev_check_2625 (EV_A); |
3040 | |
3157 | |
3041 | fs_fd = infy_newfd (); |
3158 | fs_fd = infy_newfd (); |
3042 | |
3159 | |
3043 | if (fs_fd >= 0) |
3160 | if (fs_fd >= 0) |
3044 | { |
3161 | { |
… | |
… | |
3069 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3186 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3070 | ev_io_start (EV_A_ &fs_w); |
3187 | ev_io_start (EV_A_ &fs_w); |
3071 | ev_unref (EV_A); |
3188 | ev_unref (EV_A); |
3072 | } |
3189 | } |
3073 | |
3190 | |
3074 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3191 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3075 | { |
3192 | { |
3076 | WL w_ = fs_hash [slot].head; |
3193 | WL w_ = fs_hash [slot].head; |
3077 | fs_hash [slot].head = 0; |
3194 | fs_hash [slot].head = 0; |
3078 | |
3195 | |
3079 | while (w_) |
3196 | while (w_) |
… | |
… | |
3254 | |
3371 | |
3255 | EV_FREQUENT_CHECK; |
3372 | EV_FREQUENT_CHECK; |
3256 | } |
3373 | } |
3257 | #endif |
3374 | #endif |
3258 | |
3375 | |
|
|
3376 | #if EV_PREPARE_ENABLE |
3259 | void |
3377 | void |
3260 | ev_prepare_start (EV_P_ ev_prepare *w) |
3378 | ev_prepare_start (EV_P_ ev_prepare *w) |
3261 | { |
3379 | { |
3262 | if (expect_false (ev_is_active (w))) |
3380 | if (expect_false (ev_is_active (w))) |
3263 | return; |
3381 | return; |
… | |
… | |
3289 | |
3407 | |
3290 | ev_stop (EV_A_ (W)w); |
3408 | ev_stop (EV_A_ (W)w); |
3291 | |
3409 | |
3292 | EV_FREQUENT_CHECK; |
3410 | EV_FREQUENT_CHECK; |
3293 | } |
3411 | } |
|
|
3412 | #endif |
3294 | |
3413 | |
|
|
3414 | #if EV_CHECK_ENABLE |
3295 | void |
3415 | void |
3296 | ev_check_start (EV_P_ ev_check *w) |
3416 | ev_check_start (EV_P_ ev_check *w) |
3297 | { |
3417 | { |
3298 | if (expect_false (ev_is_active (w))) |
3418 | if (expect_false (ev_is_active (w))) |
3299 | return; |
3419 | return; |
… | |
… | |
3325 | |
3445 | |
3326 | ev_stop (EV_A_ (W)w); |
3446 | ev_stop (EV_A_ (W)w); |
3327 | |
3447 | |
3328 | EV_FREQUENT_CHECK; |
3448 | EV_FREQUENT_CHECK; |
3329 | } |
3449 | } |
|
|
3450 | #endif |
3330 | |
3451 | |
3331 | #if EV_EMBED_ENABLE |
3452 | #if EV_EMBED_ENABLE |
3332 | void noinline |
3453 | void noinline |
3333 | ev_embed_sweep (EV_P_ ev_embed *w) |
3454 | ev_embed_sweep (EV_P_ ev_embed *w) |
3334 | { |
3455 | { |
3335 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3456 | ev_run (w->other, EVRUN_NOWAIT); |
3336 | } |
3457 | } |
3337 | |
3458 | |
3338 | static void |
3459 | static void |
3339 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3460 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3340 | { |
3461 | { |
3341 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3462 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3342 | |
3463 | |
3343 | if (ev_cb (w)) |
3464 | if (ev_cb (w)) |
3344 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3465 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3345 | else |
3466 | else |
3346 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3467 | ev_run (w->other, EVRUN_NOWAIT); |
3347 | } |
3468 | } |
3348 | |
3469 | |
3349 | static void |
3470 | static void |
3350 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3471 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3351 | { |
3472 | { |
… | |
… | |
3355 | EV_P = w->other; |
3476 | EV_P = w->other; |
3356 | |
3477 | |
3357 | while (fdchangecnt) |
3478 | while (fdchangecnt) |
3358 | { |
3479 | { |
3359 | fd_reify (EV_A); |
3480 | fd_reify (EV_A); |
3360 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3481 | ev_run (EV_A_ EVRUN_NOWAIT); |
3361 | } |
3482 | } |
3362 | } |
3483 | } |
3363 | } |
3484 | } |
3364 | |
3485 | |
3365 | static void |
3486 | static void |
… | |
… | |
3371 | |
3492 | |
3372 | { |
3493 | { |
3373 | EV_P = w->other; |
3494 | EV_P = w->other; |
3374 | |
3495 | |
3375 | ev_loop_fork (EV_A); |
3496 | ev_loop_fork (EV_A); |
3376 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3497 | ev_run (EV_A_ EVRUN_NOWAIT); |
3377 | } |
3498 | } |
3378 | |
3499 | |
3379 | ev_embed_start (EV_A_ w); |
3500 | ev_embed_start (EV_A_ w); |
3380 | } |
3501 | } |
3381 | |
3502 | |
… | |
… | |
3473 | |
3594 | |
3474 | EV_FREQUENT_CHECK; |
3595 | EV_FREQUENT_CHECK; |
3475 | } |
3596 | } |
3476 | #endif |
3597 | #endif |
3477 | |
3598 | |
3478 | #if EV_ASYNC_ENABLE |
3599 | #if EV_CLEANUP_ENABLE |
3479 | void |
3600 | void |
3480 | ev_async_start (EV_P_ ev_async *w) |
3601 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
3481 | { |
3602 | { |
3482 | if (expect_false (ev_is_active (w))) |
3603 | if (expect_false (ev_is_active (w))) |
3483 | return; |
3604 | return; |
|
|
3605 | |
|
|
3606 | EV_FREQUENT_CHECK; |
|
|
3607 | |
|
|
3608 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3609 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3610 | cleanups [cleanupcnt - 1] = w; |
|
|
3611 | |
|
|
3612 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3613 | ev_unref (EV_A); |
|
|
3614 | EV_FREQUENT_CHECK; |
|
|
3615 | } |
|
|
3616 | |
|
|
3617 | void |
|
|
3618 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3619 | { |
|
|
3620 | clear_pending (EV_A_ (W)w); |
|
|
3621 | if (expect_false (!ev_is_active (w))) |
|
|
3622 | return; |
|
|
3623 | |
|
|
3624 | EV_FREQUENT_CHECK; |
|
|
3625 | ev_ref (EV_A); |
|
|
3626 | |
|
|
3627 | { |
|
|
3628 | int active = ev_active (w); |
|
|
3629 | |
|
|
3630 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3631 | ev_active (cleanups [active - 1]) = active; |
|
|
3632 | } |
|
|
3633 | |
|
|
3634 | ev_stop (EV_A_ (W)w); |
|
|
3635 | |
|
|
3636 | EV_FREQUENT_CHECK; |
|
|
3637 | } |
|
|
3638 | #endif |
|
|
3639 | |
|
|
3640 | #if EV_ASYNC_ENABLE |
|
|
3641 | void |
|
|
3642 | ev_async_start (EV_P_ ev_async *w) |
|
|
3643 | { |
|
|
3644 | if (expect_false (ev_is_active (w))) |
|
|
3645 | return; |
|
|
3646 | |
|
|
3647 | w->sent = 0; |
3484 | |
3648 | |
3485 | evpipe_init (EV_A); |
3649 | evpipe_init (EV_A); |
3486 | |
3650 | |
3487 | EV_FREQUENT_CHECK; |
3651 | EV_FREQUENT_CHECK; |
3488 | |
3652 | |
… | |
… | |
3566 | { |
3730 | { |
3567 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3731 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3568 | |
3732 | |
3569 | if (expect_false (!once)) |
3733 | if (expect_false (!once)) |
3570 | { |
3734 | { |
3571 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3735 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3572 | return; |
3736 | return; |
3573 | } |
3737 | } |
3574 | |
3738 | |
3575 | once->cb = cb; |
3739 | once->cb = cb; |
3576 | once->arg = arg; |
3740 | once->arg = arg; |
… | |
… | |
3663 | if (types & EV_ASYNC) |
3827 | if (types & EV_ASYNC) |
3664 | for (i = asynccnt; i--; ) |
3828 | for (i = asynccnt; i--; ) |
3665 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3829 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3666 | #endif |
3830 | #endif |
3667 | |
3831 | |
|
|
3832 | #if EV_PREPARE_ENABLE |
3668 | if (types & EV_PREPARE) |
3833 | if (types & EV_PREPARE) |
3669 | for (i = preparecnt; i--; ) |
3834 | for (i = preparecnt; i--; ) |
3670 | #if EV_EMBED_ENABLE |
3835 | # if EV_EMBED_ENABLE |
3671 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3836 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3672 | #endif |
3837 | # endif |
3673 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3838 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3839 | #endif |
3674 | |
3840 | |
|
|
3841 | #if EV_CHECK_ENABLE |
3675 | if (types & EV_CHECK) |
3842 | if (types & EV_CHECK) |
3676 | for (i = checkcnt; i--; ) |
3843 | for (i = checkcnt; i--; ) |
3677 | cb (EV_A_ EV_CHECK, checks [i]); |
3844 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3845 | #endif |
3678 | |
3846 | |
|
|
3847 | #if EV_SIGNAL_ENABLE |
3679 | if (types & EV_SIGNAL) |
3848 | if (types & EV_SIGNAL) |
3680 | for (i = 0; i < EV_NSIG - 1; ++i) |
3849 | for (i = 0; i < EV_NSIG - 1; ++i) |
3681 | for (wl = signals [i].head; wl; ) |
3850 | for (wl = signals [i].head; wl; ) |
3682 | { |
3851 | { |
3683 | wn = wl->next; |
3852 | wn = wl->next; |
3684 | cb (EV_A_ EV_SIGNAL, wl); |
3853 | cb (EV_A_ EV_SIGNAL, wl); |
3685 | wl = wn; |
3854 | wl = wn; |
3686 | } |
3855 | } |
|
|
3856 | #endif |
3687 | |
3857 | |
|
|
3858 | #if EV_CHILD_ENABLE |
3688 | if (types & EV_CHILD) |
3859 | if (types & EV_CHILD) |
3689 | for (i = EV_PID_HASHSIZE; i--; ) |
3860 | for (i = (EV_PID_HASHSIZE); i--; ) |
3690 | for (wl = childs [i]; wl; ) |
3861 | for (wl = childs [i]; wl; ) |
3691 | { |
3862 | { |
3692 | wn = wl->next; |
3863 | wn = wl->next; |
3693 | cb (EV_A_ EV_CHILD, wl); |
3864 | cb (EV_A_ EV_CHILD, wl); |
3694 | wl = wn; |
3865 | wl = wn; |
3695 | } |
3866 | } |
|
|
3867 | #endif |
3696 | /* EV_STAT 0x00001000 /* stat data changed */ |
3868 | /* EV_STAT 0x00001000 /* stat data changed */ |
3697 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3869 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3698 | } |
3870 | } |
3699 | #endif |
3871 | #endif |
3700 | |
3872 | |
3701 | #if EV_MULTIPLICITY |
3873 | #if EV_MULTIPLICITY |
3702 | #include "ev_wrap.h" |
3874 | #include "ev_wrap.h" |
3703 | #endif |
3875 | #endif |
3704 | |
3876 | |
3705 | #ifdef __cplusplus |
3877 | EV_CPP(}) |
3706 | } |
|
|
3707 | #endif |
|
|
3708 | |
3878 | |