1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifdef __cplusplus |
|
|
41 | extern "C" { |
|
|
42 | #endif |
|
|
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
40 | /* this big block deduces configuration from config.h */ |
45 | #ifndef EV_STANDALONE |
41 | #ifndef EV_STANDALONE |
46 | # ifdef EV_CONFIG_H |
42 | # ifdef EV_CONFIG_H |
47 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
48 | # else |
44 | # else |
… | |
… | |
77 | # ifndef EV_USE_REALTIME |
73 | # ifndef EV_USE_REALTIME |
78 | # define EV_USE_REALTIME 0 |
74 | # define EV_USE_REALTIME 0 |
79 | # endif |
75 | # endif |
80 | # endif |
76 | # endif |
81 | |
77 | |
|
|
78 | # if HAVE_NANOSLEEP |
82 | # ifndef EV_USE_NANOSLEEP |
79 | # ifndef EV_USE_NANOSLEEP |
83 | # if HAVE_NANOSLEEP |
|
|
84 | # define EV_USE_NANOSLEEP 1 |
80 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
81 | # endif |
85 | # else |
82 | # else |
|
|
83 | # undef EV_USE_NANOSLEEP |
86 | # define EV_USE_NANOSLEEP 0 |
84 | # define EV_USE_NANOSLEEP 0 |
|
|
85 | # endif |
|
|
86 | |
|
|
87 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
88 | # ifndef EV_USE_SELECT |
|
|
89 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
87 | # endif |
90 | # endif |
|
|
91 | # else |
|
|
92 | # undef EV_USE_SELECT |
|
|
93 | # define EV_USE_SELECT 0 |
88 | # endif |
94 | # endif |
89 | |
95 | |
|
|
96 | # if HAVE_POLL && HAVE_POLL_H |
90 | # ifndef EV_USE_SELECT |
97 | # ifndef EV_USE_POLL |
91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
98 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
92 | # define EV_USE_SELECT 1 |
|
|
93 | # else |
|
|
94 | # define EV_USE_SELECT 0 |
|
|
95 | # endif |
99 | # endif |
96 | # endif |
|
|
97 | |
|
|
98 | # ifndef EV_USE_POLL |
|
|
99 | # if HAVE_POLL && HAVE_POLL_H |
|
|
100 | # define EV_USE_POLL 1 |
|
|
101 | # else |
100 | # else |
|
|
101 | # undef EV_USE_POLL |
102 | # define EV_USE_POLL 0 |
102 | # define EV_USE_POLL 0 |
103 | # endif |
|
|
104 | # endif |
103 | # endif |
105 | |
104 | |
106 | # ifndef EV_USE_EPOLL |
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|
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 |
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|
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 |
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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 |
|
|
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 |
|
|
136 | # else |
|
|
137 | # undef EV_USE_INOTIFY |
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|
138 | # define EV_USE_INOTIFY 0 |
136 | # endif |
139 | # endif |
137 | |
140 | |
|
|
141 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
138 | # ifndef EV_USE_EVENTFD |
142 | # ifndef EV_USE_SIGNALFD |
139 | # if HAVE_EVENTFD |
143 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
140 | # define EV_USE_EVENTFD 1 |
|
|
141 | # else |
|
|
142 | # define EV_USE_EVENTFD 0 |
|
|
143 | # endif |
144 | # endif |
|
|
145 | # else |
|
|
146 | # undef EV_USE_SIGNALFD |
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|
147 | # define EV_USE_SIGNALFD 0 |
|
|
148 | # endif |
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149 | |
|
|
150 | # if HAVE_EVENTFD |
|
|
151 | # ifndef EV_USE_EVENTFD |
|
|
152 | # define EV_USE_EVENTFD EV_FEATURE_OS |
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|
153 | # endif |
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154 | # else |
|
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155 | # undef EV_USE_EVENTFD |
|
|
156 | # define EV_USE_EVENTFD 0 |
144 | # endif |
157 | # endif |
145 | |
158 | |
146 | #endif |
159 | #endif |
147 | |
160 | |
148 | #include <math.h> |
161 | #include <math.h> |
149 | #include <stdlib.h> |
162 | #include <stdlib.h> |
|
|
163 | #include <string.h> |
150 | #include <fcntl.h> |
164 | #include <fcntl.h> |
151 | #include <stddef.h> |
165 | #include <stddef.h> |
152 | |
166 | |
153 | #include <stdio.h> |
167 | #include <stdio.h> |
154 | |
168 | |
155 | #include <assert.h> |
169 | #include <assert.h> |
156 | #include <errno.h> |
170 | #include <errno.h> |
157 | #include <sys/types.h> |
171 | #include <sys/types.h> |
158 | #include <time.h> |
172 | #include <time.h> |
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|
173 | #include <limits.h> |
159 | |
174 | |
160 | #include <signal.h> |
175 | #include <signal.h> |
161 | |
176 | |
162 | #ifdef EV_H |
177 | #ifdef EV_H |
163 | # include EV_H |
178 | # include EV_H |
164 | #else |
179 | #else |
165 | # include "ev.h" |
180 | # include "ev.h" |
166 | #endif |
181 | #endif |
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|
182 | |
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183 | EV_CPP(extern "C" {) |
167 | |
184 | |
168 | #ifndef _WIN32 |
185 | #ifndef _WIN32 |
169 | # include <sys/time.h> |
186 | # include <sys/time.h> |
170 | # include <sys/wait.h> |
187 | # include <sys/wait.h> |
171 | # include <unistd.h> |
188 | # include <unistd.h> |
… | |
… | |
174 | # define WIN32_LEAN_AND_MEAN |
191 | # define WIN32_LEAN_AND_MEAN |
175 | # include <windows.h> |
192 | # include <windows.h> |
176 | # ifndef EV_SELECT_IS_WINSOCKET |
193 | # ifndef EV_SELECT_IS_WINSOCKET |
177 | # define EV_SELECT_IS_WINSOCKET 1 |
194 | # define EV_SELECT_IS_WINSOCKET 1 |
178 | # endif |
195 | # endif |
|
|
196 | # undef EV_AVOID_STDIO |
179 | #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, |
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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. |
|
|
204 | */ |
|
|
205 | #define _DARWIN_UNLIMITED_SELECT 1 |
180 | |
206 | |
181 | /* 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 */ |
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|
208 | |
|
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209 | /* try to deduce the maximum number of signals on this platform */ |
|
|
210 | #if defined (EV_NSIG) |
|
|
211 | /* use what's provided */ |
|
|
212 | #elif defined (NSIG) |
|
|
213 | # define EV_NSIG (NSIG) |
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|
214 | #elif defined(_NSIG) |
|
|
215 | # define EV_NSIG (_NSIG) |
|
|
216 | #elif defined (SIGMAX) |
|
|
217 | # define EV_NSIG (SIGMAX+1) |
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|
218 | #elif defined (SIG_MAX) |
|
|
219 | # define EV_NSIG (SIG_MAX+1) |
|
|
220 | #elif defined (_SIG_MAX) |
|
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221 | # define EV_NSIG (_SIG_MAX+1) |
|
|
222 | #elif defined (MAXSIG) |
|
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223 | # define EV_NSIG (MAXSIG+1) |
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|
224 | #elif defined (MAX_SIG) |
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225 | # define EV_NSIG (MAX_SIG+1) |
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226 | #elif defined (SIGARRAYSIZE) |
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227 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
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228 | #elif defined (_sys_nsig) |
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229 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
|
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230 | #else |
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231 | # error "unable to find value for NSIG, please report" |
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232 | /* to make it compile regardless, just remove the above line, */ |
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233 | /* but consider reporting it, too! :) */ |
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234 | # define EV_NSIG 65 |
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|
235 | #endif |
182 | |
236 | |
183 | #ifndef EV_USE_CLOCK_SYSCALL |
237 | #ifndef EV_USE_CLOCK_SYSCALL |
184 | # if __linux && __GLIBC__ >= 2 |
238 | # if __linux && __GLIBC__ >= 2 |
185 | # define EV_USE_CLOCK_SYSCALL 1 |
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
186 | # else |
240 | # else |
187 | # define EV_USE_CLOCK_SYSCALL 0 |
241 | # define EV_USE_CLOCK_SYSCALL 0 |
188 | # endif |
242 | # endif |
189 | #endif |
243 | #endif |
190 | |
244 | |
191 | #ifndef EV_USE_MONOTONIC |
245 | #ifndef EV_USE_MONOTONIC |
192 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
193 | # define EV_USE_MONOTONIC 1 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
194 | # else |
248 | # else |
195 | # define EV_USE_MONOTONIC 0 |
249 | # define EV_USE_MONOTONIC 0 |
196 | # endif |
250 | # endif |
197 | #endif |
251 | #endif |
198 | |
252 | |
… | |
… | |
200 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
254 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
201 | #endif |
255 | #endif |
202 | |
256 | |
203 | #ifndef EV_USE_NANOSLEEP |
257 | #ifndef EV_USE_NANOSLEEP |
204 | # if _POSIX_C_SOURCE >= 199309L |
258 | # if _POSIX_C_SOURCE >= 199309L |
205 | # define EV_USE_NANOSLEEP 1 |
259 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
206 | # else |
260 | # else |
207 | # define EV_USE_NANOSLEEP 0 |
261 | # define EV_USE_NANOSLEEP 0 |
208 | # endif |
262 | # endif |
209 | #endif |
263 | #endif |
210 | |
264 | |
211 | #ifndef EV_USE_SELECT |
265 | #ifndef EV_USE_SELECT |
212 | # define EV_USE_SELECT 1 |
266 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
213 | #endif |
267 | #endif |
214 | |
268 | |
215 | #ifndef EV_USE_POLL |
269 | #ifndef EV_USE_POLL |
216 | # ifdef _WIN32 |
270 | # ifdef _WIN32 |
217 | # define EV_USE_POLL 0 |
271 | # define EV_USE_POLL 0 |
218 | # else |
272 | # else |
219 | # define EV_USE_POLL 1 |
273 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
220 | # endif |
274 | # endif |
221 | #endif |
275 | #endif |
222 | |
276 | |
223 | #ifndef EV_USE_EPOLL |
277 | #ifndef EV_USE_EPOLL |
224 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
225 | # define EV_USE_EPOLL 1 |
279 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
226 | # else |
280 | # else |
227 | # define EV_USE_EPOLL 0 |
281 | # define EV_USE_EPOLL 0 |
228 | # endif |
282 | # endif |
229 | #endif |
283 | #endif |
230 | |
284 | |
… | |
… | |
236 | # define EV_USE_PORT 0 |
290 | # define EV_USE_PORT 0 |
237 | #endif |
291 | #endif |
238 | |
292 | |
239 | #ifndef EV_USE_INOTIFY |
293 | #ifndef EV_USE_INOTIFY |
240 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
294 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
241 | # define EV_USE_INOTIFY 1 |
295 | # define EV_USE_INOTIFY EV_FEATURE_OS |
242 | # else |
296 | # else |
243 | # define EV_USE_INOTIFY 0 |
297 | # define EV_USE_INOTIFY 0 |
244 | # endif |
298 | # endif |
245 | #endif |
299 | #endif |
246 | |
300 | |
247 | #ifndef EV_PID_HASHSIZE |
301 | #ifndef EV_PID_HASHSIZE |
248 | # if EV_MINIMAL |
302 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
249 | # define EV_PID_HASHSIZE 1 |
|
|
250 | # else |
|
|
251 | # define EV_PID_HASHSIZE 16 |
|
|
252 | # endif |
|
|
253 | #endif |
303 | #endif |
254 | |
304 | |
255 | #ifndef EV_INOTIFY_HASHSIZE |
305 | #ifndef EV_INOTIFY_HASHSIZE |
256 | # if EV_MINIMAL |
306 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
257 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
258 | # else |
|
|
259 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
260 | # endif |
|
|
261 | #endif |
307 | #endif |
262 | |
308 | |
263 | #ifndef EV_USE_EVENTFD |
309 | #ifndef EV_USE_EVENTFD |
264 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
265 | # define EV_USE_EVENTFD 1 |
311 | # define EV_USE_EVENTFD EV_FEATURE_OS |
266 | # else |
312 | # else |
267 | # define EV_USE_EVENTFD 0 |
313 | # define EV_USE_EVENTFD 0 |
|
|
314 | # endif |
|
|
315 | #endif |
|
|
316 | |
|
|
317 | #ifndef EV_USE_SIGNALFD |
|
|
318 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
319 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
|
|
320 | # else |
|
|
321 | # define EV_USE_SIGNALFD 0 |
268 | # endif |
322 | # endif |
269 | #endif |
323 | #endif |
270 | |
324 | |
271 | #if 0 /* debugging */ |
325 | #if 0 /* debugging */ |
272 | # define EV_VERIFY 3 |
326 | # define EV_VERIFY 3 |
273 | # define EV_USE_4HEAP 1 |
327 | # define EV_USE_4HEAP 1 |
274 | # define EV_HEAP_CACHE_AT 1 |
328 | # define EV_HEAP_CACHE_AT 1 |
275 | #endif |
329 | #endif |
276 | |
330 | |
277 | #ifndef EV_VERIFY |
331 | #ifndef EV_VERIFY |
278 | # define EV_VERIFY !EV_MINIMAL |
332 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
279 | #endif |
333 | #endif |
280 | |
334 | |
281 | #ifndef EV_USE_4HEAP |
335 | #ifndef EV_USE_4HEAP |
282 | # define EV_USE_4HEAP !EV_MINIMAL |
336 | # define EV_USE_4HEAP EV_FEATURE_DATA |
283 | #endif |
337 | #endif |
284 | |
338 | |
285 | #ifndef EV_HEAP_CACHE_AT |
339 | #ifndef EV_HEAP_CACHE_AT |
286 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
340 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
287 | #endif |
341 | #endif |
288 | |
342 | |
289 | /* 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, */ |
290 | /* which makes programs even slower. might work on other unices, too. */ |
344 | /* which makes programs even slower. might work on other unices, too. */ |
291 | #if EV_USE_CLOCK_SYSCALL |
345 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
300 | # endif |
354 | # endif |
301 | #endif |
355 | #endif |
302 | |
356 | |
303 | /* 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 */ |
304 | |
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 | |
305 | #ifndef CLOCK_MONOTONIC |
365 | #ifndef CLOCK_MONOTONIC |
306 | # undef EV_USE_MONOTONIC |
366 | # undef EV_USE_MONOTONIC |
307 | # define EV_USE_MONOTONIC 0 |
367 | # define EV_USE_MONOTONIC 0 |
308 | #endif |
368 | #endif |
309 | |
369 | |
… | |
… | |
322 | # include <sys/select.h> |
382 | # include <sys/select.h> |
323 | # endif |
383 | # endif |
324 | #endif |
384 | #endif |
325 | |
385 | |
326 | #if EV_USE_INOTIFY |
386 | #if EV_USE_INOTIFY |
327 | # include <sys/utsname.h> |
|
|
328 | # include <sys/statfs.h> |
387 | # include <sys/statfs.h> |
329 | # include <sys/inotify.h> |
388 | # include <sys/inotify.h> |
330 | /* 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 */ |
331 | # ifndef IN_DONT_FOLLOW |
390 | # ifndef IN_DONT_FOLLOW |
332 | # undef EV_USE_INOTIFY |
391 | # undef EV_USE_INOTIFY |
… | |
… | |
339 | #endif |
398 | #endif |
340 | |
399 | |
341 | #if EV_USE_EVENTFD |
400 | #if EV_USE_EVENTFD |
342 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
401 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
343 | # include <stdint.h> |
402 | # include <stdint.h> |
344 | # ifdef __cplusplus |
403 | # ifndef EFD_NONBLOCK |
345 | extern "C" { |
404 | # define EFD_NONBLOCK O_NONBLOCK |
346 | # endif |
405 | # endif |
347 | int eventfd (unsigned int initval, int flags); |
406 | # ifndef EFD_CLOEXEC |
348 | # ifdef __cplusplus |
407 | # ifdef O_CLOEXEC |
349 | } |
408 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
409 | # else |
|
|
410 | # define EFD_CLOEXEC 02000000 |
|
|
411 | # endif |
350 | # endif |
412 | # endif |
|
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413 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
|
|
414 | #endif |
|
|
415 | |
|
|
416 | #if EV_USE_SIGNALFD |
|
|
417 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
418 | # include <stdint.h> |
|
|
419 | # ifndef SFD_NONBLOCK |
|
|
420 | # define SFD_NONBLOCK O_NONBLOCK |
|
|
421 | # endif |
|
|
422 | # ifndef SFD_CLOEXEC |
|
|
423 | # ifdef O_CLOEXEC |
|
|
424 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
425 | # else |
|
|
426 | # define SFD_CLOEXEC 02000000 |
|
|
427 | # endif |
|
|
428 | # endif |
|
|
429 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
|
|
430 | |
|
|
431 | struct signalfd_siginfo |
|
|
432 | { |
|
|
433 | uint32_t ssi_signo; |
|
|
434 | char pad[128 - sizeof (uint32_t)]; |
|
|
435 | }; |
351 | #endif |
436 | #endif |
352 | |
437 | |
353 | /**/ |
438 | /**/ |
354 | |
439 | |
355 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
356 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
357 | #else |
442 | #else |
358 | # define EV_FREQUENT_CHECK do { } while (0) |
443 | # define EV_FREQUENT_CHECK do { } while (0) |
359 | #endif |
444 | #endif |
360 | |
445 | |
361 | /* |
446 | /* |
… | |
… | |
368 | */ |
453 | */ |
369 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
370 | |
455 | |
371 | #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) */ |
372 | #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) */ |
373 | /*#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) |
374 | |
461 | |
375 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
376 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
377 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
378 | #else |
465 | #else |
… | |
… | |
385 | |
472 | |
386 | #define expect_false(expr) expect ((expr) != 0, 0) |
473 | #define expect_false(expr) expect ((expr) != 0, 0) |
387 | #define expect_true(expr) expect ((expr) != 0, 1) |
474 | #define expect_true(expr) expect ((expr) != 0, 1) |
388 | #define inline_size static inline |
475 | #define inline_size static inline |
389 | |
476 | |
390 | #if EV_MINIMAL |
477 | #if EV_FEATURE_CODE |
|
|
478 | # define inline_speed static inline |
|
|
479 | #else |
391 | # define inline_speed static noinline |
480 | # define inline_speed static noinline |
392 | #else |
|
|
393 | # define inline_speed static inline |
|
|
394 | #endif |
481 | #endif |
395 | |
482 | |
396 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
483 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
397 | |
484 | |
398 | #if EV_MINPRI == EV_MAXPRI |
485 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
411 | #define ev_active(w) ((W)(w))->active |
498 | #define ev_active(w) ((W)(w))->active |
412 | #define ev_at(w) ((WT)(w))->at |
499 | #define ev_at(w) ((WT)(w))->at |
413 | |
500 | |
414 | #if EV_USE_REALTIME |
501 | #if EV_USE_REALTIME |
415 | /* 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 */ |
416 | /* giving it a reasonably high chance of working on typical architetcures */ |
503 | /* giving it a reasonably high chance of working on typical architectures */ |
417 | 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? */ |
418 | #endif |
505 | #endif |
419 | |
506 | |
420 | #if EV_USE_MONOTONIC |
507 | #if EV_USE_MONOTONIC |
421 | 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? */ |
422 | #endif |
509 | #endif |
423 | |
510 | |
|
|
511 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
512 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
513 | #endif |
|
|
514 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
515 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
516 | #endif |
|
|
517 | #ifndef EV_WIN32_CLOSE_FD |
|
|
518 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
|
|
519 | #endif |
|
|
520 | |
424 | #ifdef _WIN32 |
521 | #ifdef _WIN32 |
425 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
426 | #endif |
523 | #endif |
427 | |
524 | |
428 | /*****************************************************************************/ |
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 | struct utsname buf; |
|
|
536 | unsigned int v; |
|
|
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 |
429 | |
576 | |
430 | static void (*syserr_cb)(const char *msg); |
577 | static void (*syserr_cb)(const char *msg); |
431 | |
578 | |
432 | void |
579 | void |
433 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
580 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
443 | |
590 | |
444 | if (syserr_cb) |
591 | if (syserr_cb) |
445 | syserr_cb (msg); |
592 | syserr_cb (msg); |
446 | else |
593 | else |
447 | { |
594 | { |
|
|
595 | #if EV_AVOID_STDIO |
|
|
596 | const char *err = strerror (errno); |
|
|
597 | |
|
|
598 | ev_printerr (msg); |
|
|
599 | ev_printerr (": "); |
|
|
600 | ev_printerr (err); |
|
|
601 | ev_printerr ("\n"); |
|
|
602 | #else |
448 | perror (msg); |
603 | perror (msg); |
|
|
604 | #endif |
449 | abort (); |
605 | abort (); |
450 | } |
606 | } |
451 | } |
607 | } |
452 | |
608 | |
453 | static void * |
609 | static void * |
454 | ev_realloc_emul (void *ptr, long size) |
610 | ev_realloc_emul (void *ptr, long size) |
455 | { |
611 | { |
|
|
612 | #if __GLIBC__ |
|
|
613 | return realloc (ptr, size); |
|
|
614 | #else |
456 | /* some systems, notably openbsd and darwin, fail to properly |
615 | /* some systems, notably openbsd and darwin, fail to properly |
457 | * implement realloc (x, 0) (as required by both ansi c-98 and |
616 | * implement realloc (x, 0) (as required by both ansi c-89 and |
458 | * the single unix specification, so work around them here. |
617 | * the single unix specification, so work around them here. |
459 | */ |
618 | */ |
460 | |
619 | |
461 | if (size) |
620 | if (size) |
462 | return realloc (ptr, size); |
621 | return realloc (ptr, size); |
463 | |
622 | |
464 | free (ptr); |
623 | free (ptr); |
465 | return 0; |
624 | return 0; |
|
|
625 | #endif |
466 | } |
626 | } |
467 | |
627 | |
468 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
628 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
469 | |
629 | |
470 | void |
630 | void |
… | |
… | |
478 | { |
638 | { |
479 | ptr = alloc (ptr, size); |
639 | ptr = alloc (ptr, size); |
480 | |
640 | |
481 | if (!ptr && size) |
641 | if (!ptr && size) |
482 | { |
642 | { |
|
|
643 | #if EV_AVOID_STDIO |
|
|
644 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
|
|
645 | #else |
483 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
646 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
647 | #endif |
484 | abort (); |
648 | abort (); |
485 | } |
649 | } |
486 | |
650 | |
487 | return ptr; |
651 | return ptr; |
488 | } |
652 | } |
… | |
… | |
570 | |
734 | |
571 | static int ev_default_loop_ptr; |
735 | static int ev_default_loop_ptr; |
572 | |
736 | |
573 | #endif |
737 | #endif |
574 | |
738 | |
575 | #if EV_MINIMAL < 2 |
739 | #if EV_FEATURE_API |
576 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
740 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
577 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
741 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
578 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
742 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
579 | #else |
743 | #else |
580 | # define EV_RELEASE_CB (void)0 |
744 | # define EV_RELEASE_CB (void)0 |
581 | # define EV_ACQUIRE_CB (void)0 |
745 | # define EV_ACQUIRE_CB (void)0 |
582 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
746 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
583 | #endif |
747 | #endif |
584 | |
748 | |
585 | #define EVUNLOOP_RECURSE 0x80 |
749 | #define EVBREAK_RECURSE 0x80 |
586 | |
750 | |
587 | /*****************************************************************************/ |
751 | /*****************************************************************************/ |
588 | |
752 | |
589 | #ifndef EV_HAVE_EV_TIME |
753 | #ifndef EV_HAVE_EV_TIME |
590 | ev_tstamp |
754 | ev_tstamp |
… | |
… | |
634 | if (delay > 0.) |
798 | if (delay > 0.) |
635 | { |
799 | { |
636 | #if EV_USE_NANOSLEEP |
800 | #if EV_USE_NANOSLEEP |
637 | struct timespec ts; |
801 | struct timespec ts; |
638 | |
802 | |
639 | ts.tv_sec = (time_t)delay; |
803 | EV_TS_SET (ts, delay); |
640 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
641 | |
|
|
642 | nanosleep (&ts, 0); |
804 | nanosleep (&ts, 0); |
643 | #elif defined(_WIN32) |
805 | #elif defined(_WIN32) |
644 | Sleep ((unsigned long)(delay * 1e3)); |
806 | Sleep ((unsigned long)(delay * 1e3)); |
645 | #else |
807 | #else |
646 | struct timeval tv; |
808 | struct timeval tv; |
647 | |
809 | |
648 | tv.tv_sec = (time_t)delay; |
|
|
649 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
650 | |
|
|
651 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
810 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
652 | /* somehting not guaranteed by newer posix versions, but guaranteed */ |
811 | /* something not guaranteed by newer posix versions, but guaranteed */ |
653 | /* by older ones */ |
812 | /* by older ones */ |
|
|
813 | EV_TV_SET (tv, delay); |
654 | select (0, 0, 0, 0, &tv); |
814 | select (0, 0, 0, 0, &tv); |
655 | #endif |
815 | #endif |
656 | } |
816 | } |
657 | } |
817 | } |
658 | |
818 | |
659 | /*****************************************************************************/ |
819 | /*****************************************************************************/ |
660 | |
820 | |
661 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
821 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
662 | |
822 | |
663 | /* find a suitable new size for the given array, */ |
823 | /* find a suitable new size for the given array, */ |
664 | /* hopefully by rounding to a ncie-to-malloc size */ |
824 | /* hopefully by rounding to a nice-to-malloc size */ |
665 | inline_size int |
825 | inline_size int |
666 | array_nextsize (int elem, int cur, int cnt) |
826 | array_nextsize (int elem, int cur, int cnt) |
667 | { |
827 | { |
668 | int ncur = cur + 1; |
828 | int ncur = cur + 1; |
669 | |
829 | |
… | |
… | |
765 | } |
925 | } |
766 | |
926 | |
767 | /*****************************************************************************/ |
927 | /*****************************************************************************/ |
768 | |
928 | |
769 | inline_speed void |
929 | inline_speed void |
770 | fd_event_nc (EV_P_ int fd, int revents) |
930 | fd_event_nocheck (EV_P_ int fd, int revents) |
771 | { |
931 | { |
772 | ANFD *anfd = anfds + fd; |
932 | ANFD *anfd = anfds + fd; |
773 | ev_io *w; |
933 | ev_io *w; |
774 | |
934 | |
775 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
935 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
787 | fd_event (EV_P_ int fd, int revents) |
947 | fd_event (EV_P_ int fd, int revents) |
788 | { |
948 | { |
789 | ANFD *anfd = anfds + fd; |
949 | ANFD *anfd = anfds + fd; |
790 | |
950 | |
791 | if (expect_true (!anfd->reify)) |
951 | if (expect_true (!anfd->reify)) |
792 | fd_event_nc (EV_A_ fd, revents); |
952 | fd_event_nocheck (EV_A_ fd, revents); |
793 | } |
953 | } |
794 | |
954 | |
795 | void |
955 | void |
796 | ev_feed_fd_event (EV_P_ int fd, int revents) |
956 | ev_feed_fd_event (EV_P_ int fd, int revents) |
797 | { |
957 | { |
798 | if (fd >= 0 && fd < anfdmax) |
958 | if (fd >= 0 && fd < anfdmax) |
799 | fd_event_nc (EV_A_ fd, revents); |
959 | fd_event_nocheck (EV_A_ fd, revents); |
800 | } |
960 | } |
801 | |
961 | |
802 | /* make sure the external fd watch events are in-sync */ |
962 | /* make sure the external fd watch events are in-sync */ |
803 | /* with the kernel/libev internal state */ |
963 | /* with the kernel/libev internal state */ |
804 | inline_size void |
964 | inline_size void |
… | |
… | |
810 | { |
970 | { |
811 | int fd = fdchanges [i]; |
971 | int fd = fdchanges [i]; |
812 | ANFD *anfd = anfds + fd; |
972 | ANFD *anfd = anfds + fd; |
813 | ev_io *w; |
973 | ev_io *w; |
814 | |
974 | |
815 | unsigned char events = 0; |
975 | unsigned char o_events = anfd->events; |
|
|
976 | unsigned char o_reify = anfd->reify; |
816 | |
977 | |
817 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
978 | anfd->reify = 0; |
818 | events |= (unsigned char)w->events; |
|
|
819 | |
979 | |
820 | #if EV_SELECT_IS_WINSOCKET |
980 | #if EV_SELECT_IS_WINSOCKET |
821 | if (events) |
981 | if (o_reify & EV__IOFDSET) |
822 | { |
982 | { |
823 | unsigned long arg; |
983 | unsigned long arg; |
824 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
825 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
984 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
826 | #else |
|
|
827 | anfd->handle = _get_osfhandle (fd); |
|
|
828 | #endif |
|
|
829 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
985 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
830 | } |
986 | } |
831 | #endif |
987 | #endif |
832 | |
988 | |
|
|
989 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
833 | { |
990 | { |
834 | unsigned char o_events = anfd->events; |
|
|
835 | unsigned char o_reify = anfd->reify; |
|
|
836 | |
|
|
837 | anfd->reify = 0; |
|
|
838 | anfd->events = events; |
991 | anfd->events = 0; |
839 | |
992 | |
840 | if (o_events != events || o_reify & EV__IOFDSET) |
993 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
994 | anfd->events |= (unsigned char)w->events; |
|
|
995 | |
|
|
996 | if (o_events != anfd->events) |
|
|
997 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
998 | } |
|
|
999 | |
|
|
1000 | if (o_reify & EV__IOFDSET) |
841 | backend_modify (EV_A_ fd, o_events, events); |
1001 | backend_modify (EV_A_ fd, o_events, anfd->events); |
842 | } |
|
|
843 | } |
1002 | } |
844 | |
1003 | |
845 | fdchangecnt = 0; |
1004 | fdchangecnt = 0; |
846 | } |
1005 | } |
847 | |
1006 | |
… | |
… | |
871 | ev_io_stop (EV_A_ w); |
1030 | ev_io_stop (EV_A_ w); |
872 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1031 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
873 | } |
1032 | } |
874 | } |
1033 | } |
875 | |
1034 | |
876 | /* check whether the given fd is atcually valid, for error recovery */ |
1035 | /* check whether the given fd is actually valid, for error recovery */ |
877 | inline_size int |
1036 | inline_size int |
878 | fd_valid (int fd) |
1037 | fd_valid (int fd) |
879 | { |
1038 | { |
880 | #ifdef _WIN32 |
1039 | #ifdef _WIN32 |
881 | return _get_osfhandle (fd) != -1; |
1040 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
882 | #else |
1041 | #else |
883 | return fcntl (fd, F_GETFD) != -1; |
1042 | return fcntl (fd, F_GETFD) != -1; |
884 | #endif |
1043 | #endif |
885 | } |
1044 | } |
886 | |
1045 | |
… | |
… | |
904 | |
1063 | |
905 | for (fd = anfdmax; fd--; ) |
1064 | for (fd = anfdmax; fd--; ) |
906 | if (anfds [fd].events) |
1065 | if (anfds [fd].events) |
907 | { |
1066 | { |
908 | fd_kill (EV_A_ fd); |
1067 | fd_kill (EV_A_ fd); |
909 | return; |
1068 | break; |
910 | } |
1069 | } |
911 | } |
1070 | } |
912 | |
1071 | |
913 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1072 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
914 | static void noinline |
1073 | static void noinline |
… | |
… | |
923 | anfds [fd].emask = 0; |
1082 | anfds [fd].emask = 0; |
924 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1083 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
925 | } |
1084 | } |
926 | } |
1085 | } |
927 | |
1086 | |
|
|
1087 | /* used to prepare libev internal fd's */ |
|
|
1088 | /* this is not fork-safe */ |
|
|
1089 | inline_speed void |
|
|
1090 | fd_intern (int fd) |
|
|
1091 | { |
|
|
1092 | #ifdef _WIN32 |
|
|
1093 | unsigned long arg = 1; |
|
|
1094 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1095 | #else |
|
|
1096 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1097 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1098 | #endif |
|
|
1099 | } |
|
|
1100 | |
928 | /*****************************************************************************/ |
1101 | /*****************************************************************************/ |
929 | |
1102 | |
930 | /* |
1103 | /* |
931 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1104 | * the heap functions want a real array index. array index 0 is guaranteed to not |
932 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1105 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
933 | * the branching factor of the d-tree. |
1106 | * the branching factor of the d-tree. |
934 | */ |
1107 | */ |
935 | |
1108 | |
936 | /* |
1109 | /* |
… | |
… | |
1004 | |
1177 | |
1005 | for (;;) |
1178 | for (;;) |
1006 | { |
1179 | { |
1007 | int c = k << 1; |
1180 | int c = k << 1; |
1008 | |
1181 | |
1009 | if (c > N + HEAP0 - 1) |
1182 | if (c >= N + HEAP0) |
1010 | break; |
1183 | break; |
1011 | |
1184 | |
1012 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1185 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1013 | ? 1 : 0; |
1186 | ? 1 : 0; |
1014 | |
1187 | |
… | |
… | |
1050 | |
1223 | |
1051 | /* move an element suitably so it is in a correct place */ |
1224 | /* move an element suitably so it is in a correct place */ |
1052 | inline_size void |
1225 | inline_size void |
1053 | adjustheap (ANHE *heap, int N, int k) |
1226 | adjustheap (ANHE *heap, int N, int k) |
1054 | { |
1227 | { |
1055 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1228 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
1056 | upheap (heap, k); |
1229 | upheap (heap, k); |
1057 | else |
1230 | else |
1058 | downheap (heap, N, k); |
1231 | downheap (heap, N, k); |
1059 | } |
1232 | } |
1060 | |
1233 | |
… | |
… | |
1073 | /*****************************************************************************/ |
1246 | /*****************************************************************************/ |
1074 | |
1247 | |
1075 | /* associate signal watchers to a signal signal */ |
1248 | /* associate signal watchers to a signal signal */ |
1076 | typedef struct |
1249 | typedef struct |
1077 | { |
1250 | { |
|
|
1251 | EV_ATOMIC_T pending; |
|
|
1252 | #if EV_MULTIPLICITY |
|
|
1253 | EV_P; |
|
|
1254 | #endif |
1078 | WL head; |
1255 | WL head; |
1079 | EV_ATOMIC_T gotsig; |
|
|
1080 | } ANSIG; |
1256 | } ANSIG; |
1081 | |
1257 | |
1082 | static ANSIG *signals; |
1258 | static ANSIG signals [EV_NSIG - 1]; |
1083 | static int signalmax; |
|
|
1084 | |
|
|
1085 | static EV_ATOMIC_T gotsig; |
|
|
1086 | |
1259 | |
1087 | /*****************************************************************************/ |
1260 | /*****************************************************************************/ |
1088 | |
1261 | |
1089 | /* used to prepare libev internal fd's */ |
1262 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
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 (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1097 | #else |
|
|
1098 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1099 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1100 | #endif |
|
|
1101 | } |
|
|
1102 | |
1263 | |
1103 | static void noinline |
1264 | static void noinline |
1104 | evpipe_init (EV_P) |
1265 | evpipe_init (EV_P) |
1105 | { |
1266 | { |
1106 | if (!ev_is_active (&pipe_w)) |
1267 | if (!ev_is_active (&pipe_w)) |
1107 | { |
1268 | { |
1108 | #if EV_USE_EVENTFD |
1269 | # if EV_USE_EVENTFD |
|
|
1270 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1271 | if (evfd < 0 && errno == EINVAL) |
1109 | if ((evfd = eventfd (0, 0)) >= 0) |
1272 | evfd = eventfd (0, 0); |
|
|
1273 | |
|
|
1274 | if (evfd >= 0) |
1110 | { |
1275 | { |
1111 | evpipe [0] = -1; |
1276 | evpipe [0] = -1; |
1112 | fd_intern (evfd); |
1277 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1113 | ev_io_set (&pipe_w, evfd, EV_READ); |
1278 | ev_io_set (&pipe_w, evfd, EV_READ); |
1114 | } |
1279 | } |
1115 | else |
1280 | else |
1116 | #endif |
1281 | # endif |
1117 | { |
1282 | { |
1118 | while (pipe (evpipe)) |
1283 | while (pipe (evpipe)) |
1119 | ev_syserr ("(libev) error creating signal/async pipe"); |
1284 | ev_syserr ("(libev) error creating signal/async pipe"); |
1120 | |
1285 | |
1121 | fd_intern (evpipe [0]); |
1286 | fd_intern (evpipe [0]); |
… | |
… | |
1132 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1297 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1133 | { |
1298 | { |
1134 | if (!*flag) |
1299 | if (!*flag) |
1135 | { |
1300 | { |
1136 | int old_errno = errno; /* save errno because write might clobber it */ |
1301 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1302 | char dummy; |
1137 | |
1303 | |
1138 | *flag = 1; |
1304 | *flag = 1; |
1139 | |
1305 | |
1140 | #if EV_USE_EVENTFD |
1306 | #if EV_USE_EVENTFD |
1141 | if (evfd >= 0) |
1307 | if (evfd >= 0) |
… | |
… | |
1143 | uint64_t counter = 1; |
1309 | uint64_t counter = 1; |
1144 | write (evfd, &counter, sizeof (uint64_t)); |
1310 | write (evfd, &counter, sizeof (uint64_t)); |
1145 | } |
1311 | } |
1146 | else |
1312 | else |
1147 | #endif |
1313 | #endif |
|
|
1314 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1315 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1316 | /* so when you think this write should be a send instead, please find out */ |
|
|
1317 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1318 | /* tell me. thank you. */ |
1148 | write (evpipe [1], &old_errno, 1); |
1319 | write (evpipe [1], &dummy, 1); |
1149 | |
1320 | |
1150 | errno = old_errno; |
1321 | errno = old_errno; |
1151 | } |
1322 | } |
1152 | } |
1323 | } |
1153 | |
1324 | |
1154 | /* called whenever the libev signal pipe */ |
1325 | /* called whenever the libev signal pipe */ |
1155 | /* got some events (signal, async) */ |
1326 | /* got some events (signal, async) */ |
1156 | static void |
1327 | static void |
1157 | pipecb (EV_P_ ev_io *iow, int revents) |
1328 | pipecb (EV_P_ ev_io *iow, int revents) |
1158 | { |
1329 | { |
|
|
1330 | int i; |
|
|
1331 | |
1159 | #if EV_USE_EVENTFD |
1332 | #if EV_USE_EVENTFD |
1160 | if (evfd >= 0) |
1333 | if (evfd >= 0) |
1161 | { |
1334 | { |
1162 | uint64_t counter; |
1335 | uint64_t counter; |
1163 | read (evfd, &counter, sizeof (uint64_t)); |
1336 | read (evfd, &counter, sizeof (uint64_t)); |
1164 | } |
1337 | } |
1165 | else |
1338 | else |
1166 | #endif |
1339 | #endif |
1167 | { |
1340 | { |
1168 | char dummy; |
1341 | char dummy; |
|
|
1342 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1169 | read (evpipe [0], &dummy, 1); |
1343 | read (evpipe [0], &dummy, 1); |
1170 | } |
1344 | } |
1171 | |
1345 | |
1172 | if (gotsig && ev_is_default_loop (EV_A)) |
1346 | if (sig_pending) |
1173 | { |
1347 | { |
1174 | int signum; |
1348 | sig_pending = 0; |
1175 | gotsig = 0; |
|
|
1176 | |
1349 | |
1177 | for (signum = signalmax; signum--; ) |
1350 | for (i = EV_NSIG - 1; i--; ) |
1178 | if (signals [signum].gotsig) |
1351 | if (expect_false (signals [i].pending)) |
1179 | ev_feed_signal_event (EV_A_ signum + 1); |
1352 | ev_feed_signal_event (EV_A_ i + 1); |
1180 | } |
1353 | } |
1181 | |
1354 | |
1182 | #if EV_ASYNC_ENABLE |
1355 | #if EV_ASYNC_ENABLE |
1183 | if (gotasync) |
1356 | if (async_pending) |
1184 | { |
1357 | { |
1185 | int i; |
1358 | async_pending = 0; |
1186 | gotasync = 0; |
|
|
1187 | |
1359 | |
1188 | for (i = asynccnt; i--; ) |
1360 | for (i = asynccnt; i--; ) |
1189 | if (asyncs [i]->sent) |
1361 | if (asyncs [i]->sent) |
1190 | { |
1362 | { |
1191 | asyncs [i]->sent = 0; |
1363 | asyncs [i]->sent = 0; |
… | |
… | |
1199 | |
1371 | |
1200 | static void |
1372 | static void |
1201 | ev_sighandler (int signum) |
1373 | ev_sighandler (int signum) |
1202 | { |
1374 | { |
1203 | #if EV_MULTIPLICITY |
1375 | #if EV_MULTIPLICITY |
1204 | struct ev_loop *loop = &default_loop_struct; |
1376 | EV_P = signals [signum - 1].loop; |
1205 | #endif |
1377 | #endif |
1206 | |
1378 | |
1207 | #if _WIN32 |
1379 | #ifdef _WIN32 |
1208 | signal (signum, ev_sighandler); |
1380 | signal (signum, ev_sighandler); |
1209 | #endif |
1381 | #endif |
1210 | |
1382 | |
1211 | signals [signum - 1].gotsig = 1; |
1383 | signals [signum - 1].pending = 1; |
1212 | evpipe_write (EV_A_ &gotsig); |
1384 | evpipe_write (EV_A_ &sig_pending); |
1213 | } |
1385 | } |
1214 | |
1386 | |
1215 | void noinline |
1387 | void noinline |
1216 | ev_feed_signal_event (EV_P_ int signum) |
1388 | ev_feed_signal_event (EV_P_ int signum) |
1217 | { |
1389 | { |
1218 | WL w; |
1390 | WL w; |
1219 | |
1391 | |
|
|
1392 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1393 | return; |
|
|
1394 | |
|
|
1395 | --signum; |
|
|
1396 | |
1220 | #if EV_MULTIPLICITY |
1397 | #if EV_MULTIPLICITY |
1221 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1398 | /* it is permissible to try to feed a signal to the wrong loop */ |
1222 | #endif |
1399 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1223 | |
1400 | |
1224 | --signum; |
1401 | if (expect_false (signals [signum].loop != EV_A)) |
1225 | |
|
|
1226 | if (signum < 0 || signum >= signalmax) |
|
|
1227 | return; |
1402 | return; |
|
|
1403 | #endif |
1228 | |
1404 | |
1229 | signals [signum].gotsig = 0; |
1405 | signals [signum].pending = 0; |
1230 | |
1406 | |
1231 | for (w = signals [signum].head; w; w = w->next) |
1407 | for (w = signals [signum].head; w; w = w->next) |
1232 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1408 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1233 | } |
1409 | } |
1234 | |
1410 | |
|
|
1411 | #if EV_USE_SIGNALFD |
|
|
1412 | static void |
|
|
1413 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1414 | { |
|
|
1415 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1416 | |
|
|
1417 | for (;;) |
|
|
1418 | { |
|
|
1419 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1420 | |
|
|
1421 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1422 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1423 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1424 | |
|
|
1425 | if (res < (ssize_t)sizeof (si)) |
|
|
1426 | break; |
|
|
1427 | } |
|
|
1428 | } |
|
|
1429 | #endif |
|
|
1430 | |
|
|
1431 | #endif |
|
|
1432 | |
1235 | /*****************************************************************************/ |
1433 | /*****************************************************************************/ |
1236 | |
1434 | |
|
|
1435 | #if EV_CHILD_ENABLE |
1237 | static WL childs [EV_PID_HASHSIZE]; |
1436 | static WL childs [EV_PID_HASHSIZE]; |
1238 | |
|
|
1239 | #ifndef _WIN32 |
|
|
1240 | |
1437 | |
1241 | static ev_signal childev; |
1438 | static ev_signal childev; |
1242 | |
1439 | |
1243 | #ifndef WIFCONTINUED |
1440 | #ifndef WIFCONTINUED |
1244 | # define WIFCONTINUED(status) 0 |
1441 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1249 | child_reap (EV_P_ int chain, int pid, int status) |
1446 | child_reap (EV_P_ int chain, int pid, int status) |
1250 | { |
1447 | { |
1251 | ev_child *w; |
1448 | ev_child *w; |
1252 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1449 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1253 | |
1450 | |
1254 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1451 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1255 | { |
1452 | { |
1256 | if ((w->pid == pid || !w->pid) |
1453 | if ((w->pid == pid || !w->pid) |
1257 | && (!traced || (w->flags & 1))) |
1454 | && (!traced || (w->flags & 1))) |
1258 | { |
1455 | { |
1259 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1456 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1284 | /* make sure we are called again until all children have been reaped */ |
1481 | /* make sure we are called again until all children have been reaped */ |
1285 | /* we need to do it this way so that the callback gets called before we continue */ |
1482 | /* we need to do it this way so that the callback gets called before we continue */ |
1286 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1483 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1287 | |
1484 | |
1288 | child_reap (EV_A_ pid, pid, status); |
1485 | child_reap (EV_A_ pid, pid, status); |
1289 | if (EV_PID_HASHSIZE > 1) |
1486 | if ((EV_PID_HASHSIZE) > 1) |
1290 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1487 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1291 | } |
1488 | } |
1292 | |
1489 | |
1293 | #endif |
1490 | #endif |
1294 | |
1491 | |
… | |
… | |
1361 | #ifdef __APPLE__ |
1558 | #ifdef __APPLE__ |
1362 | /* only select works correctly on that "unix-certified" platform */ |
1559 | /* only select works correctly on that "unix-certified" platform */ |
1363 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1560 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1364 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1561 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1365 | #endif |
1562 | #endif |
|
|
1563 | #ifdef __FreeBSD__ |
|
|
1564 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1565 | #endif |
1366 | |
1566 | |
1367 | return flags; |
1567 | return flags; |
1368 | } |
1568 | } |
1369 | |
1569 | |
1370 | unsigned int |
1570 | unsigned int |
1371 | ev_embeddable_backends (void) |
1571 | ev_embeddable_backends (void) |
1372 | { |
1572 | { |
1373 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1573 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1374 | |
1574 | |
1375 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1575 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1376 | /* please fix it and tell me how to detect the fix */ |
1576 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1377 | flags &= ~EVBACKEND_EPOLL; |
1577 | flags &= ~EVBACKEND_EPOLL; |
1378 | |
1578 | |
1379 | return flags; |
1579 | return flags; |
1380 | } |
1580 | } |
1381 | |
1581 | |
1382 | unsigned int |
1582 | unsigned int |
1383 | ev_backend (EV_P) |
1583 | ev_backend (EV_P) |
1384 | { |
1584 | { |
1385 | return backend; |
1585 | return backend; |
1386 | } |
1586 | } |
1387 | |
1587 | |
1388 | #if EV_MINIMAL < 2 |
1588 | #if EV_FEATURE_API |
1389 | unsigned int |
1589 | unsigned int |
1390 | ev_loop_count (EV_P) |
1590 | ev_iteration (EV_P) |
1391 | { |
1591 | { |
1392 | return loop_count; |
1592 | return loop_count; |
1393 | } |
1593 | } |
1394 | |
1594 | |
1395 | unsigned int |
1595 | unsigned int |
1396 | ev_loop_depth (EV_P) |
1596 | ev_depth (EV_P) |
1397 | { |
1597 | { |
1398 | return loop_depth; |
1598 | return loop_depth; |
1399 | } |
1599 | } |
1400 | |
1600 | |
1401 | void |
1601 | void |
… | |
… | |
1458 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1658 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1459 | have_monotonic = 1; |
1659 | have_monotonic = 1; |
1460 | } |
1660 | } |
1461 | #endif |
1661 | #endif |
1462 | |
1662 | |
|
|
1663 | /* pid check not overridable via env */ |
|
|
1664 | #ifndef _WIN32 |
|
|
1665 | if (flags & EVFLAG_FORKCHECK) |
|
|
1666 | curpid = getpid (); |
|
|
1667 | #endif |
|
|
1668 | |
|
|
1669 | if (!(flags & EVFLAG_NOENV) |
|
|
1670 | && !enable_secure () |
|
|
1671 | && getenv ("LIBEV_FLAGS")) |
|
|
1672 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1673 | |
1463 | ev_rt_now = ev_time (); |
1674 | ev_rt_now = ev_time (); |
1464 | mn_now = get_clock (); |
1675 | mn_now = get_clock (); |
1465 | now_floor = mn_now; |
1676 | now_floor = mn_now; |
1466 | rtmn_diff = ev_rt_now - mn_now; |
1677 | rtmn_diff = ev_rt_now - mn_now; |
1467 | #if EV_MINIMAL < 2 |
1678 | #if EV_FEATURE_API |
1468 | invoke_cb = ev_invoke_pending; |
1679 | invoke_cb = ev_invoke_pending; |
1469 | #endif |
1680 | #endif |
1470 | |
1681 | |
1471 | io_blocktime = 0.; |
1682 | io_blocktime = 0.; |
1472 | timeout_blocktime = 0.; |
1683 | timeout_blocktime = 0.; |
1473 | backend = 0; |
1684 | backend = 0; |
1474 | backend_fd = -1; |
1685 | backend_fd = -1; |
1475 | gotasync = 0; |
1686 | sig_pending = 0; |
|
|
1687 | #if EV_ASYNC_ENABLE |
|
|
1688 | async_pending = 0; |
|
|
1689 | #endif |
1476 | #if EV_USE_INOTIFY |
1690 | #if EV_USE_INOTIFY |
1477 | fs_fd = -2; |
1691 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1478 | #endif |
1692 | #endif |
1479 | |
1693 | #if EV_USE_SIGNALFD |
1480 | /* pid check not overridable via env */ |
1694 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1481 | #ifndef _WIN32 |
|
|
1482 | if (flags & EVFLAG_FORKCHECK) |
|
|
1483 | curpid = getpid (); |
|
|
1484 | #endif |
1695 | #endif |
1485 | |
|
|
1486 | if (!(flags & EVFLAG_NOENV) |
|
|
1487 | && !enable_secure () |
|
|
1488 | && getenv ("LIBEV_FLAGS")) |
|
|
1489 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1490 | |
1696 | |
1491 | if (!(flags & 0x0000ffffU)) |
1697 | if (!(flags & 0x0000ffffU)) |
1492 | flags |= ev_recommended_backends (); |
1698 | flags |= ev_recommended_backends (); |
1493 | |
1699 | |
1494 | #if EV_USE_PORT |
1700 | #if EV_USE_PORT |
… | |
… | |
1507 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1713 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1508 | #endif |
1714 | #endif |
1509 | |
1715 | |
1510 | ev_prepare_init (&pending_w, pendingcb); |
1716 | ev_prepare_init (&pending_w, pendingcb); |
1511 | |
1717 | |
|
|
1718 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1512 | ev_init (&pipe_w, pipecb); |
1719 | ev_init (&pipe_w, pipecb); |
1513 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1720 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1721 | #endif |
1514 | } |
1722 | } |
1515 | } |
1723 | } |
1516 | |
1724 | |
1517 | /* free up a loop structure */ |
1725 | /* free up a loop structure */ |
1518 | static void noinline |
1726 | static void noinline |
… | |
… | |
1520 | { |
1728 | { |
1521 | int i; |
1729 | int i; |
1522 | |
1730 | |
1523 | if (ev_is_active (&pipe_w)) |
1731 | if (ev_is_active (&pipe_w)) |
1524 | { |
1732 | { |
1525 | ev_ref (EV_A); /* signal watcher */ |
1733 | /*ev_ref (EV_A);*/ |
1526 | ev_io_stop (EV_A_ &pipe_w); |
1734 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1527 | |
1735 | |
1528 | #if EV_USE_EVENTFD |
1736 | #if EV_USE_EVENTFD |
1529 | if (evfd >= 0) |
1737 | if (evfd >= 0) |
1530 | close (evfd); |
1738 | close (evfd); |
1531 | #endif |
1739 | #endif |
1532 | |
1740 | |
1533 | if (evpipe [0] >= 0) |
1741 | if (evpipe [0] >= 0) |
1534 | { |
1742 | { |
1535 | close (evpipe [0]); |
1743 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1536 | close (evpipe [1]); |
1744 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1537 | } |
1745 | } |
1538 | } |
1746 | } |
|
|
1747 | |
|
|
1748 | #if EV_USE_SIGNALFD |
|
|
1749 | if (ev_is_active (&sigfd_w)) |
|
|
1750 | close (sigfd); |
|
|
1751 | #endif |
1539 | |
1752 | |
1540 | #if EV_USE_INOTIFY |
1753 | #if EV_USE_INOTIFY |
1541 | if (fs_fd >= 0) |
1754 | if (fs_fd >= 0) |
1542 | close (fs_fd); |
1755 | close (fs_fd); |
1543 | #endif |
1756 | #endif |
… | |
… | |
1567 | #if EV_IDLE_ENABLE |
1780 | #if EV_IDLE_ENABLE |
1568 | array_free (idle, [i]); |
1781 | array_free (idle, [i]); |
1569 | #endif |
1782 | #endif |
1570 | } |
1783 | } |
1571 | |
1784 | |
1572 | ev_free (anfds); anfdmax = 0; |
1785 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1573 | |
1786 | |
1574 | /* have to use the microsoft-never-gets-it-right macro */ |
1787 | /* have to use the microsoft-never-gets-it-right macro */ |
1575 | array_free (rfeed, EMPTY); |
1788 | array_free (rfeed, EMPTY); |
1576 | array_free (fdchange, EMPTY); |
1789 | array_free (fdchange, EMPTY); |
1577 | array_free (timer, EMPTY); |
1790 | array_free (timer, EMPTY); |
… | |
… | |
1612 | |
1825 | |
1613 | if (ev_is_active (&pipe_w)) |
1826 | if (ev_is_active (&pipe_w)) |
1614 | { |
1827 | { |
1615 | /* this "locks" the handlers against writing to the pipe */ |
1828 | /* this "locks" the handlers against writing to the pipe */ |
1616 | /* while we modify the fd vars */ |
1829 | /* while we modify the fd vars */ |
1617 | gotsig = 1; |
1830 | sig_pending = 1; |
1618 | #if EV_ASYNC_ENABLE |
1831 | #if EV_ASYNC_ENABLE |
1619 | gotasync = 1; |
1832 | async_pending = 1; |
1620 | #endif |
1833 | #endif |
1621 | |
1834 | |
1622 | ev_ref (EV_A); |
1835 | ev_ref (EV_A); |
1623 | ev_io_stop (EV_A_ &pipe_w); |
1836 | ev_io_stop (EV_A_ &pipe_w); |
1624 | |
1837 | |
… | |
… | |
1627 | close (evfd); |
1840 | close (evfd); |
1628 | #endif |
1841 | #endif |
1629 | |
1842 | |
1630 | if (evpipe [0] >= 0) |
1843 | if (evpipe [0] >= 0) |
1631 | { |
1844 | { |
1632 | close (evpipe [0]); |
1845 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1633 | close (evpipe [1]); |
1846 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1634 | } |
1847 | } |
1635 | |
1848 | |
|
|
1849 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1636 | evpipe_init (EV_A); |
1850 | evpipe_init (EV_A); |
1637 | /* now iterate over everything, in case we missed something */ |
1851 | /* now iterate over everything, in case we missed something */ |
1638 | pipecb (EV_A_ &pipe_w, EV_READ); |
1852 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1853 | #endif |
1639 | } |
1854 | } |
1640 | |
1855 | |
1641 | postfork = 0; |
1856 | postfork = 0; |
1642 | } |
1857 | } |
1643 | |
1858 | |
1644 | #if EV_MULTIPLICITY |
1859 | #if EV_MULTIPLICITY |
1645 | |
1860 | |
1646 | struct ev_loop * |
1861 | struct ev_loop * |
1647 | ev_loop_new (unsigned int flags) |
1862 | ev_loop_new (unsigned int flags) |
1648 | { |
1863 | { |
1649 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1864 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1650 | |
1865 | |
1651 | memset (loop, 0, sizeof (struct ev_loop)); |
1866 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1652 | |
|
|
1653 | loop_init (EV_A_ flags); |
1867 | loop_init (EV_A_ flags); |
1654 | |
1868 | |
1655 | if (ev_backend (EV_A)) |
1869 | if (ev_backend (EV_A)) |
1656 | return loop; |
1870 | return EV_A; |
1657 | |
1871 | |
1658 | return 0; |
1872 | return 0; |
1659 | } |
1873 | } |
1660 | |
1874 | |
1661 | void |
1875 | void |
… | |
… | |
1706 | verify_watcher (EV_A_ ws [cnt]); |
1920 | verify_watcher (EV_A_ ws [cnt]); |
1707 | } |
1921 | } |
1708 | } |
1922 | } |
1709 | #endif |
1923 | #endif |
1710 | |
1924 | |
1711 | #if EV_MINIMAL < 2 |
1925 | #if EV_FEATURE_API |
1712 | void |
1926 | void |
1713 | ev_loop_verify (EV_P) |
1927 | ev_verify (EV_P) |
1714 | { |
1928 | { |
1715 | #if EV_VERIFY |
1929 | #if EV_VERIFY |
1716 | int i; |
1930 | int i; |
1717 | WL w; |
1931 | WL w; |
1718 | |
1932 | |
… | |
… | |
1757 | #if EV_ASYNC_ENABLE |
1971 | #if EV_ASYNC_ENABLE |
1758 | assert (asyncmax >= asynccnt); |
1972 | assert (asyncmax >= asynccnt); |
1759 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1973 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1760 | #endif |
1974 | #endif |
1761 | |
1975 | |
|
|
1976 | #if EV_PREPARE_ENABLE |
1762 | assert (preparemax >= preparecnt); |
1977 | assert (preparemax >= preparecnt); |
1763 | array_verify (EV_A_ (W *)prepares, preparecnt); |
1978 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1979 | #endif |
1764 | |
1980 | |
|
|
1981 | #if EV_CHECK_ENABLE |
1765 | assert (checkmax >= checkcnt); |
1982 | assert (checkmax >= checkcnt); |
1766 | array_verify (EV_A_ (W *)checks, checkcnt); |
1983 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1984 | #endif |
1767 | |
1985 | |
1768 | # if 0 |
1986 | # if 0 |
|
|
1987 | #if EV_CHILD_ENABLE |
1769 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1988 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1770 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1989 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
1990 | #endif |
1771 | # endif |
1991 | # endif |
1772 | #endif |
1992 | #endif |
1773 | } |
1993 | } |
1774 | #endif |
1994 | #endif |
1775 | |
1995 | |
… | |
… | |
1782 | #endif |
2002 | #endif |
1783 | { |
2003 | { |
1784 | if (!ev_default_loop_ptr) |
2004 | if (!ev_default_loop_ptr) |
1785 | { |
2005 | { |
1786 | #if EV_MULTIPLICITY |
2006 | #if EV_MULTIPLICITY |
1787 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
2007 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1788 | #else |
2008 | #else |
1789 | ev_default_loop_ptr = 1; |
2009 | ev_default_loop_ptr = 1; |
1790 | #endif |
2010 | #endif |
1791 | |
2011 | |
1792 | loop_init (EV_A_ flags); |
2012 | loop_init (EV_A_ flags); |
1793 | |
2013 | |
1794 | if (ev_backend (EV_A)) |
2014 | if (ev_backend (EV_A)) |
1795 | { |
2015 | { |
1796 | #ifndef _WIN32 |
2016 | #if EV_CHILD_ENABLE |
1797 | ev_signal_init (&childev, childcb, SIGCHLD); |
2017 | ev_signal_init (&childev, childcb, SIGCHLD); |
1798 | ev_set_priority (&childev, EV_MAXPRI); |
2018 | ev_set_priority (&childev, EV_MAXPRI); |
1799 | ev_signal_start (EV_A_ &childev); |
2019 | ev_signal_start (EV_A_ &childev); |
1800 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2020 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1801 | #endif |
2021 | #endif |
… | |
… | |
1809 | |
2029 | |
1810 | void |
2030 | void |
1811 | ev_default_destroy (void) |
2031 | ev_default_destroy (void) |
1812 | { |
2032 | { |
1813 | #if EV_MULTIPLICITY |
2033 | #if EV_MULTIPLICITY |
1814 | struct ev_loop *loop = ev_default_loop_ptr; |
2034 | EV_P = ev_default_loop_ptr; |
1815 | #endif |
2035 | #endif |
1816 | |
2036 | |
1817 | ev_default_loop_ptr = 0; |
2037 | ev_default_loop_ptr = 0; |
1818 | |
2038 | |
1819 | #ifndef _WIN32 |
2039 | #if EV_CHILD_ENABLE |
1820 | ev_ref (EV_A); /* child watcher */ |
2040 | ev_ref (EV_A); /* child watcher */ |
1821 | ev_signal_stop (EV_A_ &childev); |
2041 | ev_signal_stop (EV_A_ &childev); |
1822 | #endif |
2042 | #endif |
1823 | |
2043 | |
1824 | loop_destroy (EV_A); |
2044 | loop_destroy (EV_A); |
… | |
… | |
1826 | |
2046 | |
1827 | void |
2047 | void |
1828 | ev_default_fork (void) |
2048 | ev_default_fork (void) |
1829 | { |
2049 | { |
1830 | #if EV_MULTIPLICITY |
2050 | #if EV_MULTIPLICITY |
1831 | struct ev_loop *loop = ev_default_loop_ptr; |
2051 | EV_P = ev_default_loop_ptr; |
1832 | #endif |
2052 | #endif |
1833 | |
2053 | |
1834 | postfork = 1; /* must be in line with ev_loop_fork */ |
2054 | postfork = 1; /* must be in line with ev_loop_fork */ |
1835 | } |
2055 | } |
1836 | |
2056 | |
… | |
… | |
1838 | |
2058 | |
1839 | void |
2059 | void |
1840 | ev_invoke (EV_P_ void *w, int revents) |
2060 | ev_invoke (EV_P_ void *w, int revents) |
1841 | { |
2061 | { |
1842 | EV_CB_INVOKE ((W)w, revents); |
2062 | EV_CB_INVOKE ((W)w, revents); |
|
|
2063 | } |
|
|
2064 | |
|
|
2065 | unsigned int |
|
|
2066 | ev_pending_count (EV_P) |
|
|
2067 | { |
|
|
2068 | int pri; |
|
|
2069 | unsigned int count = 0; |
|
|
2070 | |
|
|
2071 | for (pri = NUMPRI; pri--; ) |
|
|
2072 | count += pendingcnt [pri]; |
|
|
2073 | |
|
|
2074 | return count; |
1843 | } |
2075 | } |
1844 | |
2076 | |
1845 | void noinline |
2077 | void noinline |
1846 | ev_invoke_pending (EV_P) |
2078 | ev_invoke_pending (EV_P) |
1847 | { |
2079 | { |
… | |
… | |
1918 | EV_FREQUENT_CHECK; |
2150 | EV_FREQUENT_CHECK; |
1919 | feed_reverse (EV_A_ (W)w); |
2151 | feed_reverse (EV_A_ (W)w); |
1920 | } |
2152 | } |
1921 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2153 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1922 | |
2154 | |
1923 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2155 | feed_reverse_done (EV_A_ EV_TIMER); |
1924 | } |
2156 | } |
1925 | } |
2157 | } |
1926 | |
2158 | |
1927 | #if EV_PERIODIC_ENABLE |
2159 | #if EV_PERIODIC_ENABLE |
1928 | /* make periodics pending */ |
2160 | /* make periodics pending */ |
… | |
… | |
1981 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2213 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1982 | } |
2214 | } |
1983 | } |
2215 | } |
1984 | |
2216 | |
1985 | /* simply recalculate all periodics */ |
2217 | /* simply recalculate all periodics */ |
1986 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2218 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
1987 | static void noinline |
2219 | static void noinline |
1988 | periodics_reschedule (EV_P) |
2220 | periodics_reschedule (EV_P) |
1989 | { |
2221 | { |
1990 | int i; |
2222 | int i; |
1991 | |
2223 | |
… | |
… | |
2019 | ANHE_at_cache (*he); |
2251 | ANHE_at_cache (*he); |
2020 | } |
2252 | } |
2021 | } |
2253 | } |
2022 | |
2254 | |
2023 | /* fetch new monotonic and realtime times from the kernel */ |
2255 | /* fetch new monotonic and realtime times from the kernel */ |
2024 | /* also detetc if there was a timejump, and act accordingly */ |
2256 | /* also detect if there was a timejump, and act accordingly */ |
2025 | inline_speed void |
2257 | inline_speed void |
2026 | time_update (EV_P_ ev_tstamp max_block) |
2258 | time_update (EV_P_ ev_tstamp max_block) |
2027 | { |
2259 | { |
2028 | #if EV_USE_MONOTONIC |
2260 | #if EV_USE_MONOTONIC |
2029 | if (expect_true (have_monotonic)) |
2261 | if (expect_true (have_monotonic)) |
… | |
… | |
2087 | mn_now = ev_rt_now; |
2319 | mn_now = ev_rt_now; |
2088 | } |
2320 | } |
2089 | } |
2321 | } |
2090 | |
2322 | |
2091 | void |
2323 | void |
2092 | ev_loop (EV_P_ int flags) |
2324 | ev_run (EV_P_ int flags) |
2093 | { |
2325 | { |
2094 | #if EV_MINIMAL < 2 |
2326 | #if EV_FEATURE_API |
2095 | ++loop_depth; |
2327 | ++loop_depth; |
2096 | #endif |
2328 | #endif |
2097 | |
2329 | |
2098 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2330 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2099 | |
2331 | |
2100 | loop_done = EVUNLOOP_CANCEL; |
2332 | loop_done = EVBREAK_CANCEL; |
2101 | |
2333 | |
2102 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2334 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2103 | |
2335 | |
2104 | do |
2336 | do |
2105 | { |
2337 | { |
2106 | #if EV_VERIFY >= 2 |
2338 | #if EV_VERIFY >= 2 |
2107 | ev_loop_verify (EV_A); |
2339 | ev_verify (EV_A); |
2108 | #endif |
2340 | #endif |
2109 | |
2341 | |
2110 | #ifndef _WIN32 |
2342 | #ifndef _WIN32 |
2111 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2343 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2112 | if (expect_false (getpid () != curpid)) |
2344 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2124 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2356 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2125 | EV_INVOKE_PENDING; |
2357 | EV_INVOKE_PENDING; |
2126 | } |
2358 | } |
2127 | #endif |
2359 | #endif |
2128 | |
2360 | |
|
|
2361 | #if EV_PREPARE_ENABLE |
2129 | /* queue prepare watchers (and execute them) */ |
2362 | /* queue prepare watchers (and execute them) */ |
2130 | if (expect_false (preparecnt)) |
2363 | if (expect_false (preparecnt)) |
2131 | { |
2364 | { |
2132 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2365 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2133 | EV_INVOKE_PENDING; |
2366 | EV_INVOKE_PENDING; |
2134 | } |
2367 | } |
|
|
2368 | #endif |
2135 | |
2369 | |
2136 | if (expect_false (loop_done)) |
2370 | if (expect_false (loop_done)) |
2137 | break; |
2371 | break; |
2138 | |
2372 | |
2139 | /* we might have forked, so reify kernel state if necessary */ |
2373 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2146 | /* calculate blocking time */ |
2380 | /* calculate blocking time */ |
2147 | { |
2381 | { |
2148 | ev_tstamp waittime = 0.; |
2382 | ev_tstamp waittime = 0.; |
2149 | ev_tstamp sleeptime = 0.; |
2383 | ev_tstamp sleeptime = 0.; |
2150 | |
2384 | |
|
|
2385 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2386 | ev_tstamp prev_mn_now = mn_now; |
|
|
2387 | |
|
|
2388 | /* update time to cancel out callback processing overhead */ |
|
|
2389 | time_update (EV_A_ 1e100); |
|
|
2390 | |
2151 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2391 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2152 | { |
2392 | { |
2153 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2154 | ev_tstamp prev_mn_now = mn_now; |
|
|
2155 | |
|
|
2156 | /* update time to cancel out callback processing overhead */ |
|
|
2157 | time_update (EV_A_ 1e100); |
|
|
2158 | |
|
|
2159 | waittime = MAX_BLOCKTIME; |
2393 | waittime = MAX_BLOCKTIME; |
2160 | |
2394 | |
2161 | if (timercnt) |
2395 | if (timercnt) |
2162 | { |
2396 | { |
2163 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2397 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2190 | waittime -= sleeptime; |
2424 | waittime -= sleeptime; |
2191 | } |
2425 | } |
2192 | } |
2426 | } |
2193 | } |
2427 | } |
2194 | |
2428 | |
2195 | #if EV_MINIMAL < 2 |
2429 | #if EV_FEATURE_API |
2196 | ++loop_count; |
2430 | ++loop_count; |
2197 | #endif |
2431 | #endif |
2198 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2432 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2199 | backend_poll (EV_A_ waittime); |
2433 | backend_poll (EV_A_ waittime); |
2200 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2434 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2201 | |
2435 | |
2202 | /* update ev_rt_now, do magic */ |
2436 | /* update ev_rt_now, do magic */ |
2203 | time_update (EV_A_ waittime + sleeptime); |
2437 | time_update (EV_A_ waittime + sleeptime); |
2204 | } |
2438 | } |
2205 | |
2439 | |
… | |
… | |
2212 | #if EV_IDLE_ENABLE |
2446 | #if EV_IDLE_ENABLE |
2213 | /* queue idle watchers unless other events are pending */ |
2447 | /* queue idle watchers unless other events are pending */ |
2214 | idle_reify (EV_A); |
2448 | idle_reify (EV_A); |
2215 | #endif |
2449 | #endif |
2216 | |
2450 | |
|
|
2451 | #if EV_CHECK_ENABLE |
2217 | /* queue check watchers, to be executed first */ |
2452 | /* queue check watchers, to be executed first */ |
2218 | if (expect_false (checkcnt)) |
2453 | if (expect_false (checkcnt)) |
2219 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2454 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2455 | #endif |
2220 | |
2456 | |
2221 | EV_INVOKE_PENDING; |
2457 | EV_INVOKE_PENDING; |
2222 | } |
2458 | } |
2223 | while (expect_true ( |
2459 | while (expect_true ( |
2224 | activecnt |
2460 | activecnt |
2225 | && !loop_done |
2461 | && !loop_done |
2226 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2462 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2227 | )); |
2463 | )); |
2228 | |
2464 | |
2229 | if (loop_done == EVUNLOOP_ONE) |
2465 | if (loop_done == EVBREAK_ONE) |
2230 | loop_done = EVUNLOOP_CANCEL; |
2466 | loop_done = EVBREAK_CANCEL; |
2231 | |
2467 | |
2232 | #if EV_MINIMAL < 2 |
2468 | #if EV_FEATURE_API |
2233 | --loop_depth; |
2469 | --loop_depth; |
2234 | #endif |
2470 | #endif |
2235 | } |
2471 | } |
2236 | |
2472 | |
2237 | void |
2473 | void |
2238 | ev_unloop (EV_P_ int how) |
2474 | ev_break (EV_P_ int how) |
2239 | { |
2475 | { |
2240 | loop_done = how; |
2476 | loop_done = how; |
2241 | } |
2477 | } |
2242 | |
2478 | |
2243 | void |
2479 | void |
… | |
… | |
2290 | inline_size void |
2526 | inline_size void |
2291 | wlist_del (WL *head, WL elem) |
2527 | wlist_del (WL *head, WL elem) |
2292 | { |
2528 | { |
2293 | while (*head) |
2529 | while (*head) |
2294 | { |
2530 | { |
2295 | if (*head == elem) |
2531 | if (expect_true (*head == elem)) |
2296 | { |
2532 | { |
2297 | *head = elem->next; |
2533 | *head = elem->next; |
2298 | return; |
2534 | break; |
2299 | } |
2535 | } |
2300 | |
2536 | |
2301 | head = &(*head)->next; |
2537 | head = &(*head)->next; |
2302 | } |
2538 | } |
2303 | } |
2539 | } |
… | |
… | |
2363 | |
2599 | |
2364 | if (expect_false (ev_is_active (w))) |
2600 | if (expect_false (ev_is_active (w))) |
2365 | return; |
2601 | return; |
2366 | |
2602 | |
2367 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2603 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2368 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2604 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2369 | |
2605 | |
2370 | EV_FREQUENT_CHECK; |
2606 | EV_FREQUENT_CHECK; |
2371 | |
2607 | |
2372 | ev_start (EV_A_ (W)w, 1); |
2608 | ev_start (EV_A_ (W)w, 1); |
2373 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2609 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2391 | EV_FREQUENT_CHECK; |
2627 | EV_FREQUENT_CHECK; |
2392 | |
2628 | |
2393 | wlist_del (&anfds[w->fd].head, (WL)w); |
2629 | wlist_del (&anfds[w->fd].head, (WL)w); |
2394 | ev_stop (EV_A_ (W)w); |
2630 | ev_stop (EV_A_ (W)w); |
2395 | |
2631 | |
2396 | fd_change (EV_A_ w->fd, 1); |
2632 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2397 | |
2633 | |
2398 | EV_FREQUENT_CHECK; |
2634 | EV_FREQUENT_CHECK; |
2399 | } |
2635 | } |
2400 | |
2636 | |
2401 | void noinline |
2637 | void noinline |
… | |
… | |
2443 | timers [active] = timers [timercnt + HEAP0]; |
2679 | timers [active] = timers [timercnt + HEAP0]; |
2444 | adjustheap (timers, timercnt, active); |
2680 | adjustheap (timers, timercnt, active); |
2445 | } |
2681 | } |
2446 | } |
2682 | } |
2447 | |
2683 | |
2448 | EV_FREQUENT_CHECK; |
|
|
2449 | |
|
|
2450 | ev_at (w) -= mn_now; |
2684 | ev_at (w) -= mn_now; |
2451 | |
2685 | |
2452 | ev_stop (EV_A_ (W)w); |
2686 | ev_stop (EV_A_ (W)w); |
|
|
2687 | |
|
|
2688 | EV_FREQUENT_CHECK; |
2453 | } |
2689 | } |
2454 | |
2690 | |
2455 | void noinline |
2691 | void noinline |
2456 | ev_timer_again (EV_P_ ev_timer *w) |
2692 | ev_timer_again (EV_P_ ev_timer *w) |
2457 | { |
2693 | { |
… | |
… | |
2475 | } |
2711 | } |
2476 | |
2712 | |
2477 | EV_FREQUENT_CHECK; |
2713 | EV_FREQUENT_CHECK; |
2478 | } |
2714 | } |
2479 | |
2715 | |
|
|
2716 | ev_tstamp |
|
|
2717 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2718 | { |
|
|
2719 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
|
|
2720 | } |
|
|
2721 | |
2480 | #if EV_PERIODIC_ENABLE |
2722 | #if EV_PERIODIC_ENABLE |
2481 | void noinline |
2723 | void noinline |
2482 | ev_periodic_start (EV_P_ ev_periodic *w) |
2724 | ev_periodic_start (EV_P_ ev_periodic *w) |
2483 | { |
2725 | { |
2484 | if (expect_false (ev_is_active (w))) |
2726 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2530 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2772 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2531 | adjustheap (periodics, periodiccnt, active); |
2773 | adjustheap (periodics, periodiccnt, active); |
2532 | } |
2774 | } |
2533 | } |
2775 | } |
2534 | |
2776 | |
2535 | EV_FREQUENT_CHECK; |
|
|
2536 | |
|
|
2537 | ev_stop (EV_A_ (W)w); |
2777 | ev_stop (EV_A_ (W)w); |
|
|
2778 | |
|
|
2779 | EV_FREQUENT_CHECK; |
2538 | } |
2780 | } |
2539 | |
2781 | |
2540 | void noinline |
2782 | void noinline |
2541 | ev_periodic_again (EV_P_ ev_periodic *w) |
2783 | ev_periodic_again (EV_P_ ev_periodic *w) |
2542 | { |
2784 | { |
… | |
… | |
2548 | |
2790 | |
2549 | #ifndef SA_RESTART |
2791 | #ifndef SA_RESTART |
2550 | # define SA_RESTART 0 |
2792 | # define SA_RESTART 0 |
2551 | #endif |
2793 | #endif |
2552 | |
2794 | |
|
|
2795 | #if EV_SIGNAL_ENABLE |
|
|
2796 | |
2553 | void noinline |
2797 | void noinline |
2554 | ev_signal_start (EV_P_ ev_signal *w) |
2798 | ev_signal_start (EV_P_ ev_signal *w) |
2555 | { |
2799 | { |
2556 | #if EV_MULTIPLICITY |
|
|
2557 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2558 | #endif |
|
|
2559 | if (expect_false (ev_is_active (w))) |
2800 | if (expect_false (ev_is_active (w))) |
2560 | return; |
2801 | return; |
2561 | |
2802 | |
2562 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2803 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2563 | |
2804 | |
2564 | evpipe_init (EV_A); |
2805 | #if EV_MULTIPLICITY |
|
|
2806 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2807 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2565 | |
2808 | |
2566 | EV_FREQUENT_CHECK; |
2809 | signals [w->signum - 1].loop = EV_A; |
|
|
2810 | #endif |
2567 | |
2811 | |
|
|
2812 | EV_FREQUENT_CHECK; |
|
|
2813 | |
|
|
2814 | #if EV_USE_SIGNALFD |
|
|
2815 | if (sigfd == -2) |
2568 | { |
2816 | { |
2569 | #ifndef _WIN32 |
2817 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2570 | sigset_t full, prev; |
2818 | if (sigfd < 0 && errno == EINVAL) |
2571 | sigfillset (&full); |
2819 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2572 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2573 | #endif |
|
|
2574 | |
2820 | |
2575 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2821 | if (sigfd >= 0) |
|
|
2822 | { |
|
|
2823 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2576 | |
2824 | |
2577 | #ifndef _WIN32 |
2825 | sigemptyset (&sigfd_set); |
2578 | sigprocmask (SIG_SETMASK, &prev, 0); |
2826 | |
2579 | #endif |
2827 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2828 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2829 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2830 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2831 | } |
2580 | } |
2832 | } |
|
|
2833 | |
|
|
2834 | if (sigfd >= 0) |
|
|
2835 | { |
|
|
2836 | /* TODO: check .head */ |
|
|
2837 | sigaddset (&sigfd_set, w->signum); |
|
|
2838 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2839 | |
|
|
2840 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2841 | } |
|
|
2842 | #endif |
2581 | |
2843 | |
2582 | ev_start (EV_A_ (W)w, 1); |
2844 | ev_start (EV_A_ (W)w, 1); |
2583 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2845 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2584 | |
2846 | |
2585 | if (!((WL)w)->next) |
2847 | if (!((WL)w)->next) |
|
|
2848 | # if EV_USE_SIGNALFD |
|
|
2849 | if (sigfd < 0) /*TODO*/ |
|
|
2850 | # endif |
2586 | { |
2851 | { |
2587 | #if _WIN32 |
2852 | # ifdef _WIN32 |
|
|
2853 | evpipe_init (EV_A); |
|
|
2854 | |
2588 | signal (w->signum, ev_sighandler); |
2855 | signal (w->signum, ev_sighandler); |
2589 | #else |
2856 | # else |
2590 | struct sigaction sa; |
2857 | struct sigaction sa; |
|
|
2858 | |
|
|
2859 | evpipe_init (EV_A); |
|
|
2860 | |
2591 | sa.sa_handler = ev_sighandler; |
2861 | sa.sa_handler = ev_sighandler; |
2592 | sigfillset (&sa.sa_mask); |
2862 | sigfillset (&sa.sa_mask); |
2593 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2863 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2594 | sigaction (w->signum, &sa, 0); |
2864 | sigaction (w->signum, &sa, 0); |
|
|
2865 | |
|
|
2866 | sigemptyset (&sa.sa_mask); |
|
|
2867 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2868 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2595 | #endif |
2869 | #endif |
2596 | } |
2870 | } |
2597 | |
2871 | |
2598 | EV_FREQUENT_CHECK; |
2872 | EV_FREQUENT_CHECK; |
2599 | } |
2873 | } |
2600 | |
2874 | |
2601 | void noinline |
2875 | void noinline |
… | |
… | |
2609 | |
2883 | |
2610 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2884 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2611 | ev_stop (EV_A_ (W)w); |
2885 | ev_stop (EV_A_ (W)w); |
2612 | |
2886 | |
2613 | if (!signals [w->signum - 1].head) |
2887 | if (!signals [w->signum - 1].head) |
|
|
2888 | { |
|
|
2889 | #if EV_MULTIPLICITY |
|
|
2890 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2891 | #endif |
|
|
2892 | #if EV_USE_SIGNALFD |
|
|
2893 | if (sigfd >= 0) |
|
|
2894 | { |
|
|
2895 | sigset_t ss; |
|
|
2896 | |
|
|
2897 | sigemptyset (&ss); |
|
|
2898 | sigaddset (&ss, w->signum); |
|
|
2899 | sigdelset (&sigfd_set, w->signum); |
|
|
2900 | |
|
|
2901 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2902 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
|
|
2903 | } |
|
|
2904 | else |
|
|
2905 | #endif |
2614 | signal (w->signum, SIG_DFL); |
2906 | signal (w->signum, SIG_DFL); |
|
|
2907 | } |
2615 | |
2908 | |
2616 | EV_FREQUENT_CHECK; |
2909 | EV_FREQUENT_CHECK; |
2617 | } |
2910 | } |
|
|
2911 | |
|
|
2912 | #endif |
|
|
2913 | |
|
|
2914 | #if EV_CHILD_ENABLE |
2618 | |
2915 | |
2619 | void |
2916 | void |
2620 | ev_child_start (EV_P_ ev_child *w) |
2917 | ev_child_start (EV_P_ ev_child *w) |
2621 | { |
2918 | { |
2622 | #if EV_MULTIPLICITY |
2919 | #if EV_MULTIPLICITY |
… | |
… | |
2626 | return; |
2923 | return; |
2627 | |
2924 | |
2628 | EV_FREQUENT_CHECK; |
2925 | EV_FREQUENT_CHECK; |
2629 | |
2926 | |
2630 | ev_start (EV_A_ (W)w, 1); |
2927 | ev_start (EV_A_ (W)w, 1); |
2631 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2928 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2632 | |
2929 | |
2633 | EV_FREQUENT_CHECK; |
2930 | EV_FREQUENT_CHECK; |
2634 | } |
2931 | } |
2635 | |
2932 | |
2636 | void |
2933 | void |
… | |
… | |
2640 | if (expect_false (!ev_is_active (w))) |
2937 | if (expect_false (!ev_is_active (w))) |
2641 | return; |
2938 | return; |
2642 | |
2939 | |
2643 | EV_FREQUENT_CHECK; |
2940 | EV_FREQUENT_CHECK; |
2644 | |
2941 | |
2645 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2942 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2646 | ev_stop (EV_A_ (W)w); |
2943 | ev_stop (EV_A_ (W)w); |
2647 | |
2944 | |
2648 | EV_FREQUENT_CHECK; |
2945 | EV_FREQUENT_CHECK; |
2649 | } |
2946 | } |
|
|
2947 | |
|
|
2948 | #endif |
2650 | |
2949 | |
2651 | #if EV_STAT_ENABLE |
2950 | #if EV_STAT_ENABLE |
2652 | |
2951 | |
2653 | # ifdef _WIN32 |
2952 | # ifdef _WIN32 |
2654 | # undef lstat |
2953 | # undef lstat |
… | |
… | |
2660 | #define MIN_STAT_INTERVAL 0.1074891 |
2959 | #define MIN_STAT_INTERVAL 0.1074891 |
2661 | |
2960 | |
2662 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2961 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2663 | |
2962 | |
2664 | #if EV_USE_INOTIFY |
2963 | #if EV_USE_INOTIFY |
2665 | # define EV_INOTIFY_BUFSIZE 8192 |
2964 | |
|
|
2965 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2966 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2666 | |
2967 | |
2667 | static void noinline |
2968 | static void noinline |
2668 | infy_add (EV_P_ ev_stat *w) |
2969 | infy_add (EV_P_ ev_stat *w) |
2669 | { |
2970 | { |
2670 | 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); |
2971 | 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); |
2671 | |
2972 | |
2672 | if (w->wd < 0) |
2973 | if (w->wd >= 0) |
|
|
2974 | { |
|
|
2975 | struct statfs sfs; |
|
|
2976 | |
|
|
2977 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2978 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2979 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2980 | |
|
|
2981 | if (!fs_2625) |
|
|
2982 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
2983 | else if (!statfs (w->path, &sfs) |
|
|
2984 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
2985 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2986 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2987 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2988 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2989 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
2990 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
2991 | else |
|
|
2992 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2673 | { |
2993 | } |
|
|
2994 | else |
|
|
2995 | { |
|
|
2996 | /* can't use inotify, continue to stat */ |
2674 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2997 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2675 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2676 | |
2998 | |
2677 | /* monitor some parent directory for speedup hints */ |
2999 | /* if path is not there, monitor some parent directory for speedup hints */ |
2678 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
3000 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2679 | /* but an efficiency issue only */ |
3001 | /* but an efficiency issue only */ |
2680 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
3002 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2681 | { |
3003 | { |
2682 | char path [4096]; |
3004 | char path [4096]; |
… | |
… | |
2698 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3020 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2699 | } |
3021 | } |
2700 | } |
3022 | } |
2701 | |
3023 | |
2702 | if (w->wd >= 0) |
3024 | if (w->wd >= 0) |
2703 | { |
|
|
2704 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3025 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2705 | |
3026 | |
2706 | /* now local changes will be tracked by inotify, but remote changes won't */ |
3027 | /* now re-arm timer, if required */ |
2707 | /* unless the filesystem it known to be local, we therefore still poll */ |
3028 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2708 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2709 | struct statfs sfs; |
|
|
2710 | |
|
|
2711 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2712 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2713 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2714 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2715 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2716 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2717 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2718 | return; |
|
|
2719 | |
|
|
2720 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2721 | ev_timer_again (EV_A_ &w->timer); |
3029 | ev_timer_again (EV_A_ &w->timer); |
2722 | } |
3030 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2723 | } |
3031 | } |
2724 | |
3032 | |
2725 | static void noinline |
3033 | static void noinline |
2726 | infy_del (EV_P_ ev_stat *w) |
3034 | infy_del (EV_P_ ev_stat *w) |
2727 | { |
3035 | { |
… | |
… | |
2730 | |
3038 | |
2731 | if (wd < 0) |
3039 | if (wd < 0) |
2732 | return; |
3040 | return; |
2733 | |
3041 | |
2734 | w->wd = -2; |
3042 | w->wd = -2; |
2735 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3043 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2736 | wlist_del (&fs_hash [slot].head, (WL)w); |
3044 | wlist_del (&fs_hash [slot].head, (WL)w); |
2737 | |
3045 | |
2738 | /* remove this watcher, if others are watching it, they will rearm */ |
3046 | /* remove this watcher, if others are watching it, they will rearm */ |
2739 | inotify_rm_watch (fs_fd, wd); |
3047 | inotify_rm_watch (fs_fd, wd); |
2740 | } |
3048 | } |
… | |
… | |
2742 | static void noinline |
3050 | static void noinline |
2743 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3051 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2744 | { |
3052 | { |
2745 | if (slot < 0) |
3053 | if (slot < 0) |
2746 | /* overflow, need to check for all hash slots */ |
3054 | /* overflow, need to check for all hash slots */ |
2747 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3055 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2748 | infy_wd (EV_A_ slot, wd, ev); |
3056 | infy_wd (EV_A_ slot, wd, ev); |
2749 | else |
3057 | else |
2750 | { |
3058 | { |
2751 | WL w_; |
3059 | WL w_; |
2752 | |
3060 | |
2753 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3061 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2754 | { |
3062 | { |
2755 | ev_stat *w = (ev_stat *)w_; |
3063 | ev_stat *w = (ev_stat *)w_; |
2756 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3064 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2757 | |
3065 | |
2758 | if (w->wd == wd || wd == -1) |
3066 | if (w->wd == wd || wd == -1) |
2759 | { |
3067 | { |
2760 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3068 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2761 | { |
3069 | { |
2762 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3070 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2763 | w->wd = -1; |
3071 | w->wd = -1; |
2764 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3072 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2765 | } |
3073 | } |
2766 | |
3074 | |
2767 | stat_timer_cb (EV_A_ &w->timer, 0); |
3075 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2772 | |
3080 | |
2773 | static void |
3081 | static void |
2774 | infy_cb (EV_P_ ev_io *w, int revents) |
3082 | infy_cb (EV_P_ ev_io *w, int revents) |
2775 | { |
3083 | { |
2776 | char buf [EV_INOTIFY_BUFSIZE]; |
3084 | char buf [EV_INOTIFY_BUFSIZE]; |
2777 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2778 | int ofs; |
3085 | int ofs; |
2779 | int len = read (fs_fd, buf, sizeof (buf)); |
3086 | int len = read (fs_fd, buf, sizeof (buf)); |
2780 | |
3087 | |
2781 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3088 | for (ofs = 0; ofs < len; ) |
|
|
3089 | { |
|
|
3090 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2782 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3091 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3092 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3093 | } |
2783 | } |
3094 | } |
2784 | |
3095 | |
2785 | inline_size void |
3096 | inline_size void |
2786 | check_2625 (EV_P) |
3097 | ev_check_2625 (EV_P) |
2787 | { |
3098 | { |
2788 | /* kernels < 2.6.25 are borked |
3099 | /* kernels < 2.6.25 are borked |
2789 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3100 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2790 | */ |
3101 | */ |
2791 | struct utsname buf; |
3102 | if (ev_linux_version () < 0x020619) |
2792 | int major, minor, micro; |
|
|
2793 | |
|
|
2794 | if (uname (&buf)) |
|
|
2795 | return; |
3103 | return; |
2796 | |
3104 | |
2797 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2798 | return; |
|
|
2799 | |
|
|
2800 | if (major < 2 |
|
|
2801 | || (major == 2 && minor < 6) |
|
|
2802 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2803 | return; |
|
|
2804 | |
|
|
2805 | fs_2625 = 1; |
3105 | fs_2625 = 1; |
|
|
3106 | } |
|
|
3107 | |
|
|
3108 | inline_size int |
|
|
3109 | infy_newfd (void) |
|
|
3110 | { |
|
|
3111 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3112 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3113 | if (fd >= 0) |
|
|
3114 | return fd; |
|
|
3115 | #endif |
|
|
3116 | return inotify_init (); |
2806 | } |
3117 | } |
2807 | |
3118 | |
2808 | inline_size void |
3119 | inline_size void |
2809 | infy_init (EV_P) |
3120 | infy_init (EV_P) |
2810 | { |
3121 | { |
2811 | if (fs_fd != -2) |
3122 | if (fs_fd != -2) |
2812 | return; |
3123 | return; |
2813 | |
3124 | |
2814 | fs_fd = -1; |
3125 | fs_fd = -1; |
2815 | |
3126 | |
2816 | check_2625 (EV_A); |
3127 | ev_check_2625 (EV_A); |
2817 | |
3128 | |
2818 | fs_fd = inotify_init (); |
3129 | fs_fd = infy_newfd (); |
2819 | |
3130 | |
2820 | if (fs_fd >= 0) |
3131 | if (fs_fd >= 0) |
2821 | { |
3132 | { |
|
|
3133 | fd_intern (fs_fd); |
2822 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3134 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2823 | ev_set_priority (&fs_w, EV_MAXPRI); |
3135 | ev_set_priority (&fs_w, EV_MAXPRI); |
2824 | ev_io_start (EV_A_ &fs_w); |
3136 | ev_io_start (EV_A_ &fs_w); |
|
|
3137 | ev_unref (EV_A); |
2825 | } |
3138 | } |
2826 | } |
3139 | } |
2827 | |
3140 | |
2828 | inline_size void |
3141 | inline_size void |
2829 | infy_fork (EV_P) |
3142 | infy_fork (EV_P) |
… | |
… | |
2831 | int slot; |
3144 | int slot; |
2832 | |
3145 | |
2833 | if (fs_fd < 0) |
3146 | if (fs_fd < 0) |
2834 | return; |
3147 | return; |
2835 | |
3148 | |
|
|
3149 | ev_ref (EV_A); |
|
|
3150 | ev_io_stop (EV_A_ &fs_w); |
2836 | close (fs_fd); |
3151 | close (fs_fd); |
2837 | fs_fd = inotify_init (); |
3152 | fs_fd = infy_newfd (); |
2838 | |
3153 | |
|
|
3154 | if (fs_fd >= 0) |
|
|
3155 | { |
|
|
3156 | fd_intern (fs_fd); |
|
|
3157 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3158 | ev_io_start (EV_A_ &fs_w); |
|
|
3159 | ev_unref (EV_A); |
|
|
3160 | } |
|
|
3161 | |
2839 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3162 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2840 | { |
3163 | { |
2841 | WL w_ = fs_hash [slot].head; |
3164 | WL w_ = fs_hash [slot].head; |
2842 | fs_hash [slot].head = 0; |
3165 | fs_hash [slot].head = 0; |
2843 | |
3166 | |
2844 | while (w_) |
3167 | while (w_) |
… | |
… | |
2849 | w->wd = -1; |
3172 | w->wd = -1; |
2850 | |
3173 | |
2851 | if (fs_fd >= 0) |
3174 | if (fs_fd >= 0) |
2852 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3175 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2853 | else |
3176 | else |
|
|
3177 | { |
|
|
3178 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3179 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2854 | ev_timer_again (EV_A_ &w->timer); |
3180 | ev_timer_again (EV_A_ &w->timer); |
|
|
3181 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3182 | } |
2855 | } |
3183 | } |
2856 | } |
3184 | } |
2857 | } |
3185 | } |
2858 | |
3186 | |
2859 | #endif |
3187 | #endif |
… | |
… | |
2876 | static void noinline |
3204 | static void noinline |
2877 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3205 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2878 | { |
3206 | { |
2879 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3207 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2880 | |
3208 | |
2881 | /* we copy this here each the time so that */ |
3209 | ev_statdata prev = w->attr; |
2882 | /* prev has the old value when the callback gets invoked */ |
|
|
2883 | w->prev = w->attr; |
|
|
2884 | ev_stat_stat (EV_A_ w); |
3210 | ev_stat_stat (EV_A_ w); |
2885 | |
3211 | |
2886 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3212 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
2887 | if ( |
3213 | if ( |
2888 | w->prev.st_dev != w->attr.st_dev |
3214 | prev.st_dev != w->attr.st_dev |
2889 | || w->prev.st_ino != w->attr.st_ino |
3215 | || prev.st_ino != w->attr.st_ino |
2890 | || w->prev.st_mode != w->attr.st_mode |
3216 | || prev.st_mode != w->attr.st_mode |
2891 | || w->prev.st_nlink != w->attr.st_nlink |
3217 | || prev.st_nlink != w->attr.st_nlink |
2892 | || w->prev.st_uid != w->attr.st_uid |
3218 | || prev.st_uid != w->attr.st_uid |
2893 | || w->prev.st_gid != w->attr.st_gid |
3219 | || prev.st_gid != w->attr.st_gid |
2894 | || w->prev.st_rdev != w->attr.st_rdev |
3220 | || prev.st_rdev != w->attr.st_rdev |
2895 | || w->prev.st_size != w->attr.st_size |
3221 | || prev.st_size != w->attr.st_size |
2896 | || w->prev.st_atime != w->attr.st_atime |
3222 | || prev.st_atime != w->attr.st_atime |
2897 | || w->prev.st_mtime != w->attr.st_mtime |
3223 | || prev.st_mtime != w->attr.st_mtime |
2898 | || w->prev.st_ctime != w->attr.st_ctime |
3224 | || prev.st_ctime != w->attr.st_ctime |
2899 | ) { |
3225 | ) { |
|
|
3226 | /* we only update w->prev on actual differences */ |
|
|
3227 | /* in case we test more often than invoke the callback, */ |
|
|
3228 | /* to ensure that prev is always different to attr */ |
|
|
3229 | w->prev = prev; |
|
|
3230 | |
2900 | #if EV_USE_INOTIFY |
3231 | #if EV_USE_INOTIFY |
2901 | if (fs_fd >= 0) |
3232 | if (fs_fd >= 0) |
2902 | { |
3233 | { |
2903 | infy_del (EV_A_ w); |
3234 | infy_del (EV_A_ w); |
2904 | infy_add (EV_A_ w); |
3235 | infy_add (EV_A_ w); |
… | |
… | |
2929 | |
3260 | |
2930 | if (fs_fd >= 0) |
3261 | if (fs_fd >= 0) |
2931 | infy_add (EV_A_ w); |
3262 | infy_add (EV_A_ w); |
2932 | else |
3263 | else |
2933 | #endif |
3264 | #endif |
|
|
3265 | { |
2934 | ev_timer_again (EV_A_ &w->timer); |
3266 | ev_timer_again (EV_A_ &w->timer); |
|
|
3267 | ev_unref (EV_A); |
|
|
3268 | } |
2935 | |
3269 | |
2936 | ev_start (EV_A_ (W)w, 1); |
3270 | ev_start (EV_A_ (W)w, 1); |
2937 | |
3271 | |
2938 | EV_FREQUENT_CHECK; |
3272 | EV_FREQUENT_CHECK; |
2939 | } |
3273 | } |
… | |
… | |
2948 | EV_FREQUENT_CHECK; |
3282 | EV_FREQUENT_CHECK; |
2949 | |
3283 | |
2950 | #if EV_USE_INOTIFY |
3284 | #if EV_USE_INOTIFY |
2951 | infy_del (EV_A_ w); |
3285 | infy_del (EV_A_ w); |
2952 | #endif |
3286 | #endif |
|
|
3287 | |
|
|
3288 | if (ev_is_active (&w->timer)) |
|
|
3289 | { |
|
|
3290 | ev_ref (EV_A); |
2953 | ev_timer_stop (EV_A_ &w->timer); |
3291 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3292 | } |
2954 | |
3293 | |
2955 | ev_stop (EV_A_ (W)w); |
3294 | ev_stop (EV_A_ (W)w); |
2956 | |
3295 | |
2957 | EV_FREQUENT_CHECK; |
3296 | EV_FREQUENT_CHECK; |
2958 | } |
3297 | } |
… | |
… | |
3003 | |
3342 | |
3004 | EV_FREQUENT_CHECK; |
3343 | EV_FREQUENT_CHECK; |
3005 | } |
3344 | } |
3006 | #endif |
3345 | #endif |
3007 | |
3346 | |
|
|
3347 | #if EV_PREPARE_ENABLE |
3008 | void |
3348 | void |
3009 | ev_prepare_start (EV_P_ ev_prepare *w) |
3349 | ev_prepare_start (EV_P_ ev_prepare *w) |
3010 | { |
3350 | { |
3011 | if (expect_false (ev_is_active (w))) |
3351 | if (expect_false (ev_is_active (w))) |
3012 | return; |
3352 | return; |
… | |
… | |
3038 | |
3378 | |
3039 | ev_stop (EV_A_ (W)w); |
3379 | ev_stop (EV_A_ (W)w); |
3040 | |
3380 | |
3041 | EV_FREQUENT_CHECK; |
3381 | EV_FREQUENT_CHECK; |
3042 | } |
3382 | } |
|
|
3383 | #endif |
3043 | |
3384 | |
|
|
3385 | #if EV_CHECK_ENABLE |
3044 | void |
3386 | void |
3045 | ev_check_start (EV_P_ ev_check *w) |
3387 | ev_check_start (EV_P_ ev_check *w) |
3046 | { |
3388 | { |
3047 | if (expect_false (ev_is_active (w))) |
3389 | if (expect_false (ev_is_active (w))) |
3048 | return; |
3390 | return; |
… | |
… | |
3074 | |
3416 | |
3075 | ev_stop (EV_A_ (W)w); |
3417 | ev_stop (EV_A_ (W)w); |
3076 | |
3418 | |
3077 | EV_FREQUENT_CHECK; |
3419 | EV_FREQUENT_CHECK; |
3078 | } |
3420 | } |
|
|
3421 | #endif |
3079 | |
3422 | |
3080 | #if EV_EMBED_ENABLE |
3423 | #if EV_EMBED_ENABLE |
3081 | void noinline |
3424 | void noinline |
3082 | ev_embed_sweep (EV_P_ ev_embed *w) |
3425 | ev_embed_sweep (EV_P_ ev_embed *w) |
3083 | { |
3426 | { |
3084 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3427 | ev_run (w->other, EVRUN_NOWAIT); |
3085 | } |
3428 | } |
3086 | |
3429 | |
3087 | static void |
3430 | static void |
3088 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3431 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3089 | { |
3432 | { |
3090 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3433 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3091 | |
3434 | |
3092 | if (ev_cb (w)) |
3435 | if (ev_cb (w)) |
3093 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3436 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3094 | else |
3437 | else |
3095 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3438 | ev_run (w->other, EVRUN_NOWAIT); |
3096 | } |
3439 | } |
3097 | |
3440 | |
3098 | static void |
3441 | static void |
3099 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3442 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3100 | { |
3443 | { |
3101 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3444 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3102 | |
3445 | |
3103 | { |
3446 | { |
3104 | struct ev_loop *loop = w->other; |
3447 | EV_P = w->other; |
3105 | |
3448 | |
3106 | while (fdchangecnt) |
3449 | while (fdchangecnt) |
3107 | { |
3450 | { |
3108 | fd_reify (EV_A); |
3451 | fd_reify (EV_A); |
3109 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3452 | ev_run (EV_A_ EVRUN_NOWAIT); |
3110 | } |
3453 | } |
3111 | } |
3454 | } |
3112 | } |
3455 | } |
3113 | |
3456 | |
3114 | static void |
3457 | static void |
… | |
… | |
3117 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3460 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3118 | |
3461 | |
3119 | ev_embed_stop (EV_A_ w); |
3462 | ev_embed_stop (EV_A_ w); |
3120 | |
3463 | |
3121 | { |
3464 | { |
3122 | struct ev_loop *loop = w->other; |
3465 | EV_P = w->other; |
3123 | |
3466 | |
3124 | ev_loop_fork (EV_A); |
3467 | ev_loop_fork (EV_A); |
3125 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3468 | ev_run (EV_A_ EVRUN_NOWAIT); |
3126 | } |
3469 | } |
3127 | |
3470 | |
3128 | ev_embed_start (EV_A_ w); |
3471 | ev_embed_start (EV_A_ w); |
3129 | } |
3472 | } |
3130 | |
3473 | |
… | |
… | |
3141 | { |
3484 | { |
3142 | if (expect_false (ev_is_active (w))) |
3485 | if (expect_false (ev_is_active (w))) |
3143 | return; |
3486 | return; |
3144 | |
3487 | |
3145 | { |
3488 | { |
3146 | struct ev_loop *loop = w->other; |
3489 | EV_P = w->other; |
3147 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3490 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3148 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3491 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3149 | } |
3492 | } |
3150 | |
3493 | |
3151 | EV_FREQUENT_CHECK; |
3494 | EV_FREQUENT_CHECK; |
… | |
… | |
3178 | |
3521 | |
3179 | ev_io_stop (EV_A_ &w->io); |
3522 | ev_io_stop (EV_A_ &w->io); |
3180 | ev_prepare_stop (EV_A_ &w->prepare); |
3523 | ev_prepare_stop (EV_A_ &w->prepare); |
3181 | ev_fork_stop (EV_A_ &w->fork); |
3524 | ev_fork_stop (EV_A_ &w->fork); |
3182 | |
3525 | |
|
|
3526 | ev_stop (EV_A_ (W)w); |
|
|
3527 | |
3183 | EV_FREQUENT_CHECK; |
3528 | EV_FREQUENT_CHECK; |
3184 | } |
3529 | } |
3185 | #endif |
3530 | #endif |
3186 | |
3531 | |
3187 | #if EV_FORK_ENABLE |
3532 | #if EV_FORK_ENABLE |
… | |
… | |
3227 | ev_async_start (EV_P_ ev_async *w) |
3572 | ev_async_start (EV_P_ ev_async *w) |
3228 | { |
3573 | { |
3229 | if (expect_false (ev_is_active (w))) |
3574 | if (expect_false (ev_is_active (w))) |
3230 | return; |
3575 | return; |
3231 | |
3576 | |
|
|
3577 | w->sent = 0; |
|
|
3578 | |
3232 | evpipe_init (EV_A); |
3579 | evpipe_init (EV_A); |
3233 | |
3580 | |
3234 | EV_FREQUENT_CHECK; |
3581 | EV_FREQUENT_CHECK; |
3235 | |
3582 | |
3236 | ev_start (EV_A_ (W)w, ++asynccnt); |
3583 | ev_start (EV_A_ (W)w, ++asynccnt); |
… | |
… | |
3263 | |
3610 | |
3264 | void |
3611 | void |
3265 | ev_async_send (EV_P_ ev_async *w) |
3612 | ev_async_send (EV_P_ ev_async *w) |
3266 | { |
3613 | { |
3267 | w->sent = 1; |
3614 | w->sent = 1; |
3268 | evpipe_write (EV_A_ &gotasync); |
3615 | evpipe_write (EV_A_ &async_pending); |
3269 | } |
3616 | } |
3270 | #endif |
3617 | #endif |
3271 | |
3618 | |
3272 | /*****************************************************************************/ |
3619 | /*****************************************************************************/ |
3273 | |
3620 | |
… | |
… | |
3313 | { |
3660 | { |
3314 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3661 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3315 | |
3662 | |
3316 | if (expect_false (!once)) |
3663 | if (expect_false (!once)) |
3317 | { |
3664 | { |
3318 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3665 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3319 | return; |
3666 | return; |
3320 | } |
3667 | } |
3321 | |
3668 | |
3322 | once->cb = cb; |
3669 | once->cb = cb; |
3323 | once->arg = arg; |
3670 | once->arg = arg; |
… | |
… | |
3410 | if (types & EV_ASYNC) |
3757 | if (types & EV_ASYNC) |
3411 | for (i = asynccnt; i--; ) |
3758 | for (i = asynccnt; i--; ) |
3412 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3759 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3413 | #endif |
3760 | #endif |
3414 | |
3761 | |
|
|
3762 | #if EV_PREPARE_ENABLE |
3415 | if (types & EV_PREPARE) |
3763 | if (types & EV_PREPARE) |
3416 | for (i = preparecnt; i--; ) |
3764 | for (i = preparecnt; i--; ) |
3417 | #if EV_EMBED_ENABLE |
3765 | # if EV_EMBED_ENABLE |
3418 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3766 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3419 | #endif |
3767 | # endif |
3420 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3768 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3769 | #endif |
3421 | |
3770 | |
|
|
3771 | #if EV_CHECK_ENABLE |
3422 | if (types & EV_CHECK) |
3772 | if (types & EV_CHECK) |
3423 | for (i = checkcnt; i--; ) |
3773 | for (i = checkcnt; i--; ) |
3424 | cb (EV_A_ EV_CHECK, checks [i]); |
3774 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3775 | #endif |
3425 | |
3776 | |
|
|
3777 | #if EV_SIGNAL_ENABLE |
3426 | if (types & EV_SIGNAL) |
3778 | if (types & EV_SIGNAL) |
3427 | for (i = 0; i < signalmax; ++i) |
3779 | for (i = 0; i < EV_NSIG - 1; ++i) |
3428 | for (wl = signals [i].head; wl; ) |
3780 | for (wl = signals [i].head; wl; ) |
3429 | { |
3781 | { |
3430 | wn = wl->next; |
3782 | wn = wl->next; |
3431 | cb (EV_A_ EV_SIGNAL, wl); |
3783 | cb (EV_A_ EV_SIGNAL, wl); |
3432 | wl = wn; |
3784 | wl = wn; |
3433 | } |
3785 | } |
|
|
3786 | #endif |
3434 | |
3787 | |
|
|
3788 | #if EV_CHILD_ENABLE |
3435 | if (types & EV_CHILD) |
3789 | if (types & EV_CHILD) |
3436 | for (i = EV_PID_HASHSIZE; i--; ) |
3790 | for (i = (EV_PID_HASHSIZE); i--; ) |
3437 | for (wl = childs [i]; wl; ) |
3791 | for (wl = childs [i]; wl; ) |
3438 | { |
3792 | { |
3439 | wn = wl->next; |
3793 | wn = wl->next; |
3440 | cb (EV_A_ EV_CHILD, wl); |
3794 | cb (EV_A_ EV_CHILD, wl); |
3441 | wl = wn; |
3795 | wl = wn; |
3442 | } |
3796 | } |
|
|
3797 | #endif |
3443 | /* EV_STAT 0x00001000 /* stat data changed */ |
3798 | /* EV_STAT 0x00001000 /* stat data changed */ |
3444 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3799 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3445 | } |
3800 | } |
3446 | #endif |
3801 | #endif |
3447 | |
3802 | |
3448 | #if EV_MULTIPLICITY |
3803 | #if EV_MULTIPLICITY |
3449 | #include "ev_wrap.h" |
3804 | #include "ev_wrap.h" |
3450 | #endif |
3805 | #endif |
3451 | |
3806 | |
3452 | #ifdef __cplusplus |
3807 | EV_CPP(}) |
3453 | } |
|
|
3454 | #endif |
|
|
3455 | |
3808 | |