1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifdef __cplusplus |
|
|
41 | extern "C" { |
|
|
42 | #endif |
|
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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 |
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|
81 | # endif |
85 | # else |
82 | # else |
|
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83 | # undef EV_USE_NANOSLEEP |
86 | # define EV_USE_NANOSLEEP 0 |
84 | # define EV_USE_NANOSLEEP 0 |
|
|
85 | # endif |
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|
86 | |
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87 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
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|
88 | # ifndef EV_USE_SELECT |
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|
89 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
87 | # endif |
90 | # endif |
|
|
91 | # else |
|
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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 |
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|
93 | # else |
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|
94 | # define EV_USE_SELECT 0 |
|
|
95 | # endif |
99 | # endif |
96 | # endif |
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97 | |
|
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98 | # ifndef EV_USE_POLL |
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|
99 | # if HAVE_POLL && HAVE_POLL_H |
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|
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 |
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|
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 |
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|
111 | # endif |
108 | # endif |
|
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109 | # else |
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110 | # undef EV_USE_EPOLL |
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111 | # define EV_USE_EPOLL 0 |
112 | # endif |
112 | # endif |
113 | |
113 | |
114 | # ifndef EV_USE_KQUEUE |
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|
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
114 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
116 | # define EV_USE_KQUEUE 1 |
115 | # ifndef EV_USE_KQUEUE |
117 | # else |
116 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
118 | # define EV_USE_KQUEUE 0 |
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119 | # endif |
117 | # endif |
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118 | # else |
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119 | # undef EV_USE_KQUEUE |
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120 | # define EV_USE_KQUEUE 0 |
120 | # endif |
121 | # endif |
121 | |
122 | |
122 | # ifndef EV_USE_PORT |
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|
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 |
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|
127 | # endif |
126 | # endif |
|
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127 | # else |
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128 | # undef EV_USE_PORT |
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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 |
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|
134 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY EV_FEATURE_OS |
135 | # endif |
135 | # endif |
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136 | # else |
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137 | # undef EV_USE_INOTIFY |
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138 | # define EV_USE_INOTIFY 0 |
136 | # endif |
139 | # endif |
137 | |
140 | |
138 | # ifndef EV_USE_SIGNALFD |
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|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
141 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
140 | # define EV_USE_SIGNALFD 1 |
142 | # ifndef EV_USE_SIGNALFD |
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
143 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
143 | # endif |
144 | # endif |
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145 | # else |
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146 | # undef EV_USE_SIGNALFD |
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147 | # define EV_USE_SIGNALFD 0 |
144 | # endif |
148 | # endif |
145 | |
149 | |
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150 | # if HAVE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
151 | # ifndef EV_USE_EVENTFD |
147 | # if HAVE_EVENTFD |
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|
148 | # define EV_USE_EVENTFD 1 |
152 | # define EV_USE_EVENTFD EV_FEATURE_OS |
149 | # else |
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150 | # define EV_USE_EVENTFD 0 |
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151 | # endif |
153 | # endif |
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154 | # else |
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155 | # undef EV_USE_EVENTFD |
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156 | # define EV_USE_EVENTFD 0 |
152 | # endif |
157 | # endif |
153 | |
158 | |
154 | #endif |
159 | #endif |
155 | |
160 | |
156 | #include <math.h> |
161 | #include <math.h> |
… | |
… | |
172 | #ifdef EV_H |
177 | #ifdef EV_H |
173 | # include EV_H |
178 | # include EV_H |
174 | #else |
179 | #else |
175 | # include "ev.h" |
180 | # include "ev.h" |
176 | #endif |
181 | #endif |
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182 | |
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183 | EV_CPP(extern "C" {) |
177 | |
184 | |
178 | #ifndef _WIN32 |
185 | #ifndef _WIN32 |
179 | # include <sys/time.h> |
186 | # include <sys/time.h> |
180 | # include <sys/wait.h> |
187 | # include <sys/wait.h> |
181 | # include <unistd.h> |
188 | # include <unistd.h> |
… | |
… | |
186 | # ifndef EV_SELECT_IS_WINSOCKET |
193 | # ifndef EV_SELECT_IS_WINSOCKET |
187 | # define EV_SELECT_IS_WINSOCKET 1 |
194 | # define EV_SELECT_IS_WINSOCKET 1 |
188 | # endif |
195 | # endif |
189 | # undef EV_AVOID_STDIO |
196 | # undef EV_AVOID_STDIO |
190 | #endif |
197 | #endif |
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198 | |
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199 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
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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 |
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202 | * ordered to have a vacuum, or they do anything for money. |
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203 | * This might help. Or not. |
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204 | */ |
|
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205 | #define _DARWIN_UNLIMITED_SELECT 1 |
191 | |
206 | |
192 | /* 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 */ |
193 | |
208 | |
194 | /* try to deduce the maximum number of signals on this platform */ |
209 | /* try to deduce the maximum number of signals on this platform */ |
195 | #if defined (EV_NSIG) |
210 | #if defined (EV_NSIG) |
… | |
… | |
207 | #elif defined (MAXSIG) |
222 | #elif defined (MAXSIG) |
208 | # define EV_NSIG (MAXSIG+1) |
223 | # define EV_NSIG (MAXSIG+1) |
209 | #elif defined (MAX_SIG) |
224 | #elif defined (MAX_SIG) |
210 | # define EV_NSIG (MAX_SIG+1) |
225 | # define EV_NSIG (MAX_SIG+1) |
211 | #elif defined (SIGARRAYSIZE) |
226 | #elif defined (SIGARRAYSIZE) |
212 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
227 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
213 | #elif defined (_sys_nsig) |
228 | #elif defined (_sys_nsig) |
214 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
229 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
215 | #else |
230 | #else |
216 | # error "unable to find value for NSIG, please report" |
231 | # error "unable to find value for NSIG, please report" |
217 | /* to make it compile regardless, just remove the above line */ |
232 | /* to make it compile regardless, just remove the above line, */ |
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|
233 | /* but consider reporting it, too! :) */ |
218 | # define EV_NSIG 65 |
234 | # define EV_NSIG 65 |
219 | #endif |
235 | #endif |
220 | |
236 | |
221 | #ifndef EV_USE_CLOCK_SYSCALL |
237 | #ifndef EV_USE_CLOCK_SYSCALL |
222 | # if __linux && __GLIBC__ >= 2 |
238 | # if __linux && __GLIBC__ >= 2 |
223 | # define EV_USE_CLOCK_SYSCALL 1 |
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
224 | # else |
240 | # else |
225 | # define EV_USE_CLOCK_SYSCALL 0 |
241 | # define EV_USE_CLOCK_SYSCALL 0 |
226 | # endif |
242 | # endif |
227 | #endif |
243 | #endif |
228 | |
244 | |
229 | #ifndef EV_USE_MONOTONIC |
245 | #ifndef EV_USE_MONOTONIC |
230 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
231 | # define EV_USE_MONOTONIC 1 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
232 | # else |
248 | # else |
233 | # define EV_USE_MONOTONIC 0 |
249 | # define EV_USE_MONOTONIC 0 |
234 | # endif |
250 | # endif |
235 | #endif |
251 | #endif |
236 | |
252 | |
… | |
… | |
238 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
254 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
239 | #endif |
255 | #endif |
240 | |
256 | |
241 | #ifndef EV_USE_NANOSLEEP |
257 | #ifndef EV_USE_NANOSLEEP |
242 | # if _POSIX_C_SOURCE >= 199309L |
258 | # if _POSIX_C_SOURCE >= 199309L |
243 | # define EV_USE_NANOSLEEP 1 |
259 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
244 | # else |
260 | # else |
245 | # define EV_USE_NANOSLEEP 0 |
261 | # define EV_USE_NANOSLEEP 0 |
246 | # endif |
262 | # endif |
247 | #endif |
263 | #endif |
248 | |
264 | |
249 | #ifndef EV_USE_SELECT |
265 | #ifndef EV_USE_SELECT |
250 | # define EV_USE_SELECT 1 |
266 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
251 | #endif |
267 | #endif |
252 | |
268 | |
253 | #ifndef EV_USE_POLL |
269 | #ifndef EV_USE_POLL |
254 | # ifdef _WIN32 |
270 | # ifdef _WIN32 |
255 | # define EV_USE_POLL 0 |
271 | # define EV_USE_POLL 0 |
256 | # else |
272 | # else |
257 | # define EV_USE_POLL 1 |
273 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
258 | # endif |
274 | # endif |
259 | #endif |
275 | #endif |
260 | |
276 | |
261 | #ifndef EV_USE_EPOLL |
277 | #ifndef EV_USE_EPOLL |
262 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
263 | # define EV_USE_EPOLL 1 |
279 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
264 | # else |
280 | # else |
265 | # define EV_USE_EPOLL 0 |
281 | # define EV_USE_EPOLL 0 |
266 | # endif |
282 | # endif |
267 | #endif |
283 | #endif |
268 | |
284 | |
… | |
… | |
274 | # define EV_USE_PORT 0 |
290 | # define EV_USE_PORT 0 |
275 | #endif |
291 | #endif |
276 | |
292 | |
277 | #ifndef EV_USE_INOTIFY |
293 | #ifndef EV_USE_INOTIFY |
278 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
294 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
279 | # define EV_USE_INOTIFY 1 |
295 | # define EV_USE_INOTIFY EV_FEATURE_OS |
280 | # else |
296 | # else |
281 | # define EV_USE_INOTIFY 0 |
297 | # define EV_USE_INOTIFY 0 |
282 | # endif |
298 | # endif |
283 | #endif |
299 | #endif |
284 | |
300 | |
285 | #ifndef EV_PID_HASHSIZE |
301 | #ifndef EV_PID_HASHSIZE |
286 | # if EV_MINIMAL |
302 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
287 | # define EV_PID_HASHSIZE 1 |
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|
288 | # else |
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289 | # define EV_PID_HASHSIZE 16 |
|
|
290 | # endif |
|
|
291 | #endif |
303 | #endif |
292 | |
304 | |
293 | #ifndef EV_INOTIFY_HASHSIZE |
305 | #ifndef EV_INOTIFY_HASHSIZE |
294 | # if EV_MINIMAL |
306 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
295 | # define EV_INOTIFY_HASHSIZE 1 |
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296 | # else |
|
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297 | # define EV_INOTIFY_HASHSIZE 16 |
|
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298 | # endif |
|
|
299 | #endif |
307 | #endif |
300 | |
308 | |
301 | #ifndef EV_USE_EVENTFD |
309 | #ifndef EV_USE_EVENTFD |
302 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
303 | # define EV_USE_EVENTFD 1 |
311 | # define EV_USE_EVENTFD EV_FEATURE_OS |
304 | # else |
312 | # else |
305 | # define EV_USE_EVENTFD 0 |
313 | # define EV_USE_EVENTFD 0 |
306 | # endif |
314 | # endif |
307 | #endif |
315 | #endif |
308 | |
316 | |
309 | #ifndef EV_USE_SIGNALFD |
317 | #ifndef EV_USE_SIGNALFD |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
318 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
311 | # define EV_USE_SIGNALFD 1 |
319 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
312 | # else |
320 | # else |
313 | # define EV_USE_SIGNALFD 0 |
321 | # define EV_USE_SIGNALFD 0 |
314 | # endif |
322 | # endif |
315 | #endif |
323 | #endif |
316 | |
324 | |
… | |
… | |
319 | # define EV_USE_4HEAP 1 |
327 | # define EV_USE_4HEAP 1 |
320 | # define EV_HEAP_CACHE_AT 1 |
328 | # define EV_HEAP_CACHE_AT 1 |
321 | #endif |
329 | #endif |
322 | |
330 | |
323 | #ifndef EV_VERIFY |
331 | #ifndef EV_VERIFY |
324 | # define EV_VERIFY !EV_MINIMAL |
332 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
325 | #endif |
333 | #endif |
326 | |
334 | |
327 | #ifndef EV_USE_4HEAP |
335 | #ifndef EV_USE_4HEAP |
328 | # define EV_USE_4HEAP !EV_MINIMAL |
336 | # define EV_USE_4HEAP EV_FEATURE_DATA |
329 | #endif |
337 | #endif |
330 | |
338 | |
331 | #ifndef EV_HEAP_CACHE_AT |
339 | #ifndef EV_HEAP_CACHE_AT |
332 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
340 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
333 | #endif |
341 | #endif |
334 | |
342 | |
335 | /* 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, */ |
336 | /* which makes programs even slower. might work on other unices, too. */ |
344 | /* which makes programs even slower. might work on other unices, too. */ |
337 | #if EV_USE_CLOCK_SYSCALL |
345 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
374 | # include <sys/select.h> |
382 | # include <sys/select.h> |
375 | # endif |
383 | # endif |
376 | #endif |
384 | #endif |
377 | |
385 | |
378 | #if EV_USE_INOTIFY |
386 | #if EV_USE_INOTIFY |
379 | # include <sys/utsname.h> |
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|
380 | # include <sys/statfs.h> |
387 | # include <sys/statfs.h> |
381 | # include <sys/inotify.h> |
388 | # include <sys/inotify.h> |
382 | /* 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 */ |
383 | # ifndef IN_DONT_FOLLOW |
390 | # ifndef IN_DONT_FOLLOW |
384 | # undef EV_USE_INOTIFY |
391 | # undef EV_USE_INOTIFY |
… | |
… | |
401 | # define EFD_CLOEXEC O_CLOEXEC |
408 | # define EFD_CLOEXEC O_CLOEXEC |
402 | # else |
409 | # else |
403 | # define EFD_CLOEXEC 02000000 |
410 | # define EFD_CLOEXEC 02000000 |
404 | # endif |
411 | # endif |
405 | # endif |
412 | # endif |
406 | # ifdef __cplusplus |
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407 | extern "C" { |
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408 | # endif |
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409 | int (eventfd) (unsigned int initval, int flags); |
413 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
410 | # ifdef __cplusplus |
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411 | } |
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412 | # endif |
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413 | #endif |
414 | #endif |
414 | |
415 | |
415 | #if EV_USE_SIGNALFD |
416 | #if EV_USE_SIGNALFD |
416 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
417 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
417 | # include <stdint.h> |
418 | # include <stdint.h> |
… | |
… | |
423 | # define SFD_CLOEXEC O_CLOEXEC |
424 | # define SFD_CLOEXEC O_CLOEXEC |
424 | # else |
425 | # else |
425 | # define SFD_CLOEXEC 02000000 |
426 | # define SFD_CLOEXEC 02000000 |
426 | # endif |
427 | # endif |
427 | # endif |
428 | # endif |
428 | # ifdef __cplusplus |
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429 | extern "C" { |
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430 | # endif |
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431 | int signalfd (int fd, const sigset_t *mask, int flags); |
429 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
432 | |
430 | |
433 | struct signalfd_siginfo |
431 | struct signalfd_siginfo |
434 | { |
432 | { |
435 | uint32_t ssi_signo; |
433 | uint32_t ssi_signo; |
436 | char pad[128 - sizeof (uint32_t)]; |
434 | char pad[128 - sizeof (uint32_t)]; |
437 | }; |
435 | }; |
438 | # ifdef __cplusplus |
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|
439 | } |
|
|
440 | # endif |
436 | #endif |
441 | #endif |
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442 | |
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443 | |
437 | |
444 | /**/ |
438 | /**/ |
445 | |
439 | |
446 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
447 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
448 | #else |
442 | #else |
449 | # define EV_FREQUENT_CHECK do { } while (0) |
443 | # define EV_FREQUENT_CHECK do { } while (0) |
450 | #endif |
444 | #endif |
451 | |
445 | |
452 | /* |
446 | /* |
… | |
… | |
460 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
461 | |
455 | |
462 | #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) */ |
463 | #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) */ |
464 | |
458 | |
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459 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
460 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
461 | |
465 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
466 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
467 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
468 | #else |
465 | #else |
469 | # define expect(expr,value) (expr) |
466 | # define expect(expr,value) (expr) |
… | |
… | |
475 | |
472 | |
476 | #define expect_false(expr) expect ((expr) != 0, 0) |
473 | #define expect_false(expr) expect ((expr) != 0, 0) |
477 | #define expect_true(expr) expect ((expr) != 0, 1) |
474 | #define expect_true(expr) expect ((expr) != 0, 1) |
478 | #define inline_size static inline |
475 | #define inline_size static inline |
479 | |
476 | |
480 | #if EV_MINIMAL |
477 | #if EV_FEATURE_CODE |
|
|
478 | # define inline_speed static inline |
|
|
479 | #else |
481 | # define inline_speed static noinline |
480 | # define inline_speed static noinline |
482 | #else |
|
|
483 | # define inline_speed static inline |
|
|
484 | #endif |
481 | #endif |
485 | |
482 | |
486 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
483 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
487 | |
484 | |
488 | #if EV_MINPRI == EV_MAXPRI |
485 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
501 | #define ev_active(w) ((W)(w))->active |
498 | #define ev_active(w) ((W)(w))->active |
502 | #define ev_at(w) ((WT)(w))->at |
499 | #define ev_at(w) ((WT)(w))->at |
503 | |
500 | |
504 | #if EV_USE_REALTIME |
501 | #if EV_USE_REALTIME |
505 | /* 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 */ |
506 | /* giving it a reasonably high chance of working on typical architetcures */ |
503 | /* giving it a reasonably high chance of working on typical architectures */ |
507 | 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? */ |
508 | #endif |
505 | #endif |
509 | |
506 | |
510 | #if EV_USE_MONOTONIC |
507 | #if EV_USE_MONOTONIC |
511 | 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? */ |
… | |
… | |
522 | #endif |
519 | #endif |
523 | |
520 | |
524 | #ifdef _WIN32 |
521 | #ifdef _WIN32 |
525 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
526 | #endif |
523 | #endif |
|
|
524 | |
|
|
525 | /*****************************************************************************/ |
|
|
526 | |
|
|
527 | #ifdef __linux |
|
|
528 | # include <sys/utsname.h> |
|
|
529 | #endif |
|
|
530 | |
|
|
531 | static unsigned int noinline |
|
|
532 | ev_linux_version (void) |
|
|
533 | { |
|
|
534 | #ifdef __linux |
|
|
535 | unsigned int v = 0; |
|
|
536 | struct utsname buf; |
|
|
537 | int i; |
|
|
538 | char *p = buf.release; |
|
|
539 | |
|
|
540 | if (uname (&buf)) |
|
|
541 | return 0; |
|
|
542 | |
|
|
543 | for (i = 3+1; --i; ) |
|
|
544 | { |
|
|
545 | unsigned int c = 0; |
|
|
546 | |
|
|
547 | for (;;) |
|
|
548 | { |
|
|
549 | if (*p >= '0' && *p <= '9') |
|
|
550 | c = c * 10 + *p++ - '0'; |
|
|
551 | else |
|
|
552 | { |
|
|
553 | p += *p == '.'; |
|
|
554 | break; |
|
|
555 | } |
|
|
556 | } |
|
|
557 | |
|
|
558 | v = (v << 8) | c; |
|
|
559 | } |
|
|
560 | |
|
|
561 | return v; |
|
|
562 | #else |
|
|
563 | return 0; |
|
|
564 | #endif |
|
|
565 | } |
527 | |
566 | |
528 | /*****************************************************************************/ |
567 | /*****************************************************************************/ |
529 | |
568 | |
530 | #if EV_AVOID_STDIO |
569 | #if EV_AVOID_STDIO |
531 | static void noinline |
570 | static void noinline |
… | |
… | |
552 | if (syserr_cb) |
591 | if (syserr_cb) |
553 | syserr_cb (msg); |
592 | syserr_cb (msg); |
554 | else |
593 | else |
555 | { |
594 | { |
556 | #if EV_AVOID_STDIO |
595 | #if EV_AVOID_STDIO |
557 | const char *err = strerror (errno); |
|
|
558 | |
|
|
559 | ev_printerr (msg); |
596 | ev_printerr (msg); |
560 | ev_printerr (": "); |
597 | ev_printerr (": "); |
561 | ev_printerr (err); |
598 | ev_printerr (strerror (errno)); |
562 | ev_printerr ("\n"); |
599 | ev_printerr ("\n"); |
563 | #else |
600 | #else |
564 | perror (msg); |
601 | perror (msg); |
565 | #endif |
602 | #endif |
566 | abort (); |
603 | abort (); |
… | |
… | |
568 | } |
605 | } |
569 | |
606 | |
570 | static void * |
607 | static void * |
571 | ev_realloc_emul (void *ptr, long size) |
608 | ev_realloc_emul (void *ptr, long size) |
572 | { |
609 | { |
|
|
610 | #if __GLIBC__ |
|
|
611 | return realloc (ptr, size); |
|
|
612 | #else |
573 | /* some systems, notably openbsd and darwin, fail to properly |
613 | /* some systems, notably openbsd and darwin, fail to properly |
574 | * implement realloc (x, 0) (as required by both ansi c-98 and |
614 | * implement realloc (x, 0) (as required by both ansi c-89 and |
575 | * the single unix specification, so work around them here. |
615 | * the single unix specification, so work around them here. |
576 | */ |
616 | */ |
577 | |
617 | |
578 | if (size) |
618 | if (size) |
579 | return realloc (ptr, size); |
619 | return realloc (ptr, size); |
580 | |
620 | |
581 | free (ptr); |
621 | free (ptr); |
582 | return 0; |
622 | return 0; |
|
|
623 | #endif |
583 | } |
624 | } |
584 | |
625 | |
585 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
626 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
586 | |
627 | |
587 | void |
628 | void |
… | |
… | |
596 | ptr = alloc (ptr, size); |
637 | ptr = alloc (ptr, size); |
597 | |
638 | |
598 | if (!ptr && size) |
639 | if (!ptr && size) |
599 | { |
640 | { |
600 | #if EV_AVOID_STDIO |
641 | #if EV_AVOID_STDIO |
601 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
642 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
602 | #else |
643 | #else |
603 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
644 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
604 | #endif |
645 | #endif |
605 | abort (); |
646 | abort (); |
606 | } |
647 | } |
607 | |
648 | |
608 | return ptr; |
649 | return ptr; |
… | |
… | |
625 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
666 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
626 | unsigned char unused; |
667 | unsigned char unused; |
627 | #if EV_USE_EPOLL |
668 | #if EV_USE_EPOLL |
628 | unsigned int egen; /* generation counter to counter epoll bugs */ |
669 | unsigned int egen; /* generation counter to counter epoll bugs */ |
629 | #endif |
670 | #endif |
630 | #if EV_SELECT_IS_WINSOCKET |
671 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
631 | SOCKET handle; |
672 | SOCKET handle; |
|
|
673 | #endif |
|
|
674 | #if EV_USE_IOCP |
|
|
675 | OVERLAPPED or, ow; |
632 | #endif |
676 | #endif |
633 | } ANFD; |
677 | } ANFD; |
634 | |
678 | |
635 | /* stores the pending event set for a given watcher */ |
679 | /* stores the pending event set for a given watcher */ |
636 | typedef struct |
680 | typedef struct |
… | |
… | |
691 | |
735 | |
692 | static int ev_default_loop_ptr; |
736 | static int ev_default_loop_ptr; |
693 | |
737 | |
694 | #endif |
738 | #endif |
695 | |
739 | |
696 | #if EV_MINIMAL < 2 |
740 | #if EV_FEATURE_API |
697 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
741 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
698 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
742 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
699 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
743 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
700 | #else |
744 | #else |
701 | # define EV_RELEASE_CB (void)0 |
745 | # define EV_RELEASE_CB (void)0 |
702 | # define EV_ACQUIRE_CB (void)0 |
746 | # define EV_ACQUIRE_CB (void)0 |
703 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
747 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
704 | #endif |
748 | #endif |
705 | |
749 | |
706 | #define EVUNLOOP_RECURSE 0x80 |
750 | #define EVBREAK_RECURSE 0x80 |
707 | |
751 | |
708 | /*****************************************************************************/ |
752 | /*****************************************************************************/ |
709 | |
753 | |
710 | #ifndef EV_HAVE_EV_TIME |
754 | #ifndef EV_HAVE_EV_TIME |
711 | ev_tstamp |
755 | ev_tstamp |
… | |
… | |
755 | if (delay > 0.) |
799 | if (delay > 0.) |
756 | { |
800 | { |
757 | #if EV_USE_NANOSLEEP |
801 | #if EV_USE_NANOSLEEP |
758 | struct timespec ts; |
802 | struct timespec ts; |
759 | |
803 | |
760 | ts.tv_sec = (time_t)delay; |
804 | EV_TS_SET (ts, delay); |
761 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
762 | |
|
|
763 | nanosleep (&ts, 0); |
805 | nanosleep (&ts, 0); |
764 | #elif defined(_WIN32) |
806 | #elif defined(_WIN32) |
765 | Sleep ((unsigned long)(delay * 1e3)); |
807 | Sleep ((unsigned long)(delay * 1e3)); |
766 | #else |
808 | #else |
767 | struct timeval tv; |
809 | struct timeval tv; |
768 | |
810 | |
769 | tv.tv_sec = (time_t)delay; |
|
|
770 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
771 | |
|
|
772 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
811 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
773 | /* something not guaranteed by newer posix versions, but guaranteed */ |
812 | /* something not guaranteed by newer posix versions, but guaranteed */ |
774 | /* by older ones */ |
813 | /* by older ones */ |
|
|
814 | EV_TV_SET (tv, delay); |
775 | select (0, 0, 0, 0, &tv); |
815 | select (0, 0, 0, 0, &tv); |
776 | #endif |
816 | #endif |
777 | } |
817 | } |
778 | } |
818 | } |
779 | |
819 | |
|
|
820 | inline_speed int |
|
|
821 | ev_timeout_to_ms (ev_tstamp timeout) |
|
|
822 | { |
|
|
823 | int ms = timeout * 1000. + .999999; |
|
|
824 | |
|
|
825 | return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1; |
|
|
826 | } |
|
|
827 | |
780 | /*****************************************************************************/ |
828 | /*****************************************************************************/ |
781 | |
829 | |
782 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
830 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
783 | |
831 | |
784 | /* find a suitable new size for the given array, */ |
832 | /* find a suitable new size for the given array, */ |
785 | /* hopefully by rounding to a ncie-to-malloc size */ |
833 | /* hopefully by rounding to a nice-to-malloc size */ |
786 | inline_size int |
834 | inline_size int |
787 | array_nextsize (int elem, int cur, int cnt) |
835 | array_nextsize (int elem, int cur, int cnt) |
788 | { |
836 | { |
789 | int ncur = cur + 1; |
837 | int ncur = cur + 1; |
790 | |
838 | |
… | |
… | |
886 | } |
934 | } |
887 | |
935 | |
888 | /*****************************************************************************/ |
936 | /*****************************************************************************/ |
889 | |
937 | |
890 | inline_speed void |
938 | inline_speed void |
891 | fd_event_nc (EV_P_ int fd, int revents) |
939 | fd_event_nocheck (EV_P_ int fd, int revents) |
892 | { |
940 | { |
893 | ANFD *anfd = anfds + fd; |
941 | ANFD *anfd = anfds + fd; |
894 | ev_io *w; |
942 | ev_io *w; |
895 | |
943 | |
896 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
944 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
908 | fd_event (EV_P_ int fd, int revents) |
956 | fd_event (EV_P_ int fd, int revents) |
909 | { |
957 | { |
910 | ANFD *anfd = anfds + fd; |
958 | ANFD *anfd = anfds + fd; |
911 | |
959 | |
912 | if (expect_true (!anfd->reify)) |
960 | if (expect_true (!anfd->reify)) |
913 | fd_event_nc (EV_A_ fd, revents); |
961 | fd_event_nocheck (EV_A_ fd, revents); |
914 | } |
962 | } |
915 | |
963 | |
916 | void |
964 | void |
917 | ev_feed_fd_event (EV_P_ int fd, int revents) |
965 | ev_feed_fd_event (EV_P_ int fd, int revents) |
918 | { |
966 | { |
919 | if (fd >= 0 && fd < anfdmax) |
967 | if (fd >= 0 && fd < anfdmax) |
920 | fd_event_nc (EV_A_ fd, revents); |
968 | fd_event_nocheck (EV_A_ fd, revents); |
921 | } |
969 | } |
922 | |
970 | |
923 | /* make sure the external fd watch events are in-sync */ |
971 | /* make sure the external fd watch events are in-sync */ |
924 | /* with the kernel/libev internal state */ |
972 | /* with the kernel/libev internal state */ |
925 | inline_size void |
973 | inline_size void |
… | |
… | |
931 | { |
979 | { |
932 | int fd = fdchanges [i]; |
980 | int fd = fdchanges [i]; |
933 | ANFD *anfd = anfds + fd; |
981 | ANFD *anfd = anfds + fd; |
934 | ev_io *w; |
982 | ev_io *w; |
935 | |
983 | |
936 | unsigned char events = 0; |
984 | unsigned char o_events = anfd->events; |
|
|
985 | unsigned char o_reify = anfd->reify; |
937 | |
986 | |
938 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
987 | anfd->reify = 0; |
939 | events |= (unsigned char)w->events; |
|
|
940 | |
988 | |
941 | #if EV_SELECT_IS_WINSOCKET |
989 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
942 | if (events) |
990 | if (o_reify & EV__IOFDSET) |
943 | { |
991 | { |
944 | unsigned long arg; |
992 | unsigned long arg; |
945 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
993 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
946 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
994 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
995 | printf ("oi %d %x\n", fd, anfd->handle);//D |
947 | } |
996 | } |
948 | #endif |
997 | #endif |
949 | |
998 | |
|
|
999 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
950 | { |
1000 | { |
951 | unsigned char o_events = anfd->events; |
|
|
952 | unsigned char o_reify = anfd->reify; |
|
|
953 | |
|
|
954 | anfd->reify = 0; |
|
|
955 | anfd->events = events; |
1001 | anfd->events = 0; |
956 | |
1002 | |
957 | if (o_events != events || o_reify & EV__IOFDSET) |
1003 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
1004 | anfd->events |= (unsigned char)w->events; |
|
|
1005 | |
|
|
1006 | if (o_events != anfd->events) |
|
|
1007 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
1008 | } |
|
|
1009 | |
|
|
1010 | if (o_reify & EV__IOFDSET) |
958 | backend_modify (EV_A_ fd, o_events, events); |
1011 | backend_modify (EV_A_ fd, o_events, anfd->events); |
959 | } |
|
|
960 | } |
1012 | } |
961 | |
1013 | |
962 | fdchangecnt = 0; |
1014 | fdchangecnt = 0; |
963 | } |
1015 | } |
964 | |
1016 | |
… | |
… | |
988 | ev_io_stop (EV_A_ w); |
1040 | ev_io_stop (EV_A_ w); |
989 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1041 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
990 | } |
1042 | } |
991 | } |
1043 | } |
992 | |
1044 | |
993 | /* check whether the given fd is atcually valid, for error recovery */ |
1045 | /* check whether the given fd is actually valid, for error recovery */ |
994 | inline_size int |
1046 | inline_size int |
995 | fd_valid (int fd) |
1047 | fd_valid (int fd) |
996 | { |
1048 | { |
997 | #ifdef _WIN32 |
1049 | #ifdef _WIN32 |
998 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1050 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
… | |
… | |
1040 | anfds [fd].emask = 0; |
1092 | anfds [fd].emask = 0; |
1041 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1093 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1042 | } |
1094 | } |
1043 | } |
1095 | } |
1044 | |
1096 | |
|
|
1097 | /* used to prepare libev internal fd's */ |
|
|
1098 | /* this is not fork-safe */ |
|
|
1099 | inline_speed void |
|
|
1100 | fd_intern (int fd) |
|
|
1101 | { |
|
|
1102 | #ifdef _WIN32 |
|
|
1103 | unsigned long arg = 1; |
|
|
1104 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1105 | #else |
|
|
1106 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1107 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1108 | #endif |
|
|
1109 | } |
|
|
1110 | |
1045 | /*****************************************************************************/ |
1111 | /*****************************************************************************/ |
1046 | |
1112 | |
1047 | /* |
1113 | /* |
1048 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1114 | * the heap functions want a real array index. array index 0 is guaranteed to not |
1049 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1115 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1050 | * the branching factor of the d-tree. |
1116 | * the branching factor of the d-tree. |
1051 | */ |
1117 | */ |
1052 | |
1118 | |
1053 | /* |
1119 | /* |
… | |
… | |
1201 | |
1267 | |
1202 | static ANSIG signals [EV_NSIG - 1]; |
1268 | static ANSIG signals [EV_NSIG - 1]; |
1203 | |
1269 | |
1204 | /*****************************************************************************/ |
1270 | /*****************************************************************************/ |
1205 | |
1271 | |
1206 | /* used to prepare libev internal fd's */ |
1272 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1207 | /* this is not fork-safe */ |
|
|
1208 | inline_speed void |
|
|
1209 | fd_intern (int fd) |
|
|
1210 | { |
|
|
1211 | #ifdef _WIN32 |
|
|
1212 | unsigned long arg = 1; |
|
|
1213 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1214 | #else |
|
|
1215 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1216 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1217 | #endif |
|
|
1218 | } |
|
|
1219 | |
1273 | |
1220 | static void noinline |
1274 | static void noinline |
1221 | evpipe_init (EV_P) |
1275 | evpipe_init (EV_P) |
1222 | { |
1276 | { |
1223 | if (!ev_is_active (&pipe_w)) |
1277 | if (!ev_is_active (&pipe_w)) |
1224 | { |
1278 | { |
1225 | #if EV_USE_EVENTFD |
1279 | # if EV_USE_EVENTFD |
1226 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1280 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1227 | if (evfd < 0 && errno == EINVAL) |
1281 | if (evfd < 0 && errno == EINVAL) |
1228 | evfd = eventfd (0, 0); |
1282 | evfd = eventfd (0, 0); |
1229 | |
1283 | |
1230 | if (evfd >= 0) |
1284 | if (evfd >= 0) |
… | |
… | |
1232 | evpipe [0] = -1; |
1286 | evpipe [0] = -1; |
1233 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1287 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1234 | ev_io_set (&pipe_w, evfd, EV_READ); |
1288 | ev_io_set (&pipe_w, evfd, EV_READ); |
1235 | } |
1289 | } |
1236 | else |
1290 | else |
1237 | #endif |
1291 | # endif |
1238 | { |
1292 | { |
1239 | while (pipe (evpipe)) |
1293 | while (pipe (evpipe)) |
1240 | ev_syserr ("(libev) error creating signal/async pipe"); |
1294 | ev_syserr ("(libev) error creating signal/async pipe"); |
1241 | |
1295 | |
1242 | fd_intern (evpipe [0]); |
1296 | fd_intern (evpipe [0]); |
… | |
… | |
1253 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1307 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1254 | { |
1308 | { |
1255 | if (!*flag) |
1309 | if (!*flag) |
1256 | { |
1310 | { |
1257 | int old_errno = errno; /* save errno because write might clobber it */ |
1311 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1312 | char dummy; |
1258 | |
1313 | |
1259 | *flag = 1; |
1314 | *flag = 1; |
1260 | |
1315 | |
1261 | #if EV_USE_EVENTFD |
1316 | #if EV_USE_EVENTFD |
1262 | if (evfd >= 0) |
1317 | if (evfd >= 0) |
… | |
… | |
1264 | uint64_t counter = 1; |
1319 | uint64_t counter = 1; |
1265 | write (evfd, &counter, sizeof (uint64_t)); |
1320 | write (evfd, &counter, sizeof (uint64_t)); |
1266 | } |
1321 | } |
1267 | else |
1322 | else |
1268 | #endif |
1323 | #endif |
|
|
1324 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1325 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1326 | /* so when you think this write should be a send instead, please find out */ |
|
|
1327 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1328 | /* tell me. thank you. */ |
1269 | write (evpipe [1], &old_errno, 1); |
1329 | write (evpipe [1], &dummy, 1); |
1270 | |
1330 | |
1271 | errno = old_errno; |
1331 | errno = old_errno; |
1272 | } |
1332 | } |
1273 | } |
1333 | } |
1274 | |
1334 | |
… | |
… | |
1287 | } |
1347 | } |
1288 | else |
1348 | else |
1289 | #endif |
1349 | #endif |
1290 | { |
1350 | { |
1291 | char dummy; |
1351 | char dummy; |
|
|
1352 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1292 | read (evpipe [0], &dummy, 1); |
1353 | read (evpipe [0], &dummy, 1); |
1293 | } |
1354 | } |
1294 | |
1355 | |
|
|
1356 | #if EV_SIGNAL_ENABLE |
1295 | if (sig_pending) |
1357 | if (sig_pending) |
1296 | { |
1358 | { |
1297 | sig_pending = 0; |
1359 | sig_pending = 0; |
1298 | |
1360 | |
1299 | for (i = EV_NSIG - 1; i--; ) |
1361 | for (i = EV_NSIG - 1; i--; ) |
1300 | if (expect_false (signals [i].pending)) |
1362 | if (expect_false (signals [i].pending)) |
1301 | ev_feed_signal_event (EV_A_ i + 1); |
1363 | ev_feed_signal_event (EV_A_ i + 1); |
1302 | } |
1364 | } |
|
|
1365 | #endif |
1303 | |
1366 | |
1304 | #if EV_ASYNC_ENABLE |
1367 | #if EV_ASYNC_ENABLE |
1305 | if (async_pending) |
1368 | if (async_pending) |
1306 | { |
1369 | { |
1307 | async_pending = 0; |
1370 | async_pending = 0; |
… | |
… | |
1316 | #endif |
1379 | #endif |
1317 | } |
1380 | } |
1318 | |
1381 | |
1319 | /*****************************************************************************/ |
1382 | /*****************************************************************************/ |
1320 | |
1383 | |
|
|
1384 | void |
|
|
1385 | ev_feed_signal (int signum) |
|
|
1386 | { |
|
|
1387 | #if EV_MULTIPLICITY |
|
|
1388 | EV_P = signals [signum - 1].loop; |
|
|
1389 | |
|
|
1390 | if (!EV_A) |
|
|
1391 | return; |
|
|
1392 | #endif |
|
|
1393 | |
|
|
1394 | signals [signum - 1].pending = 1; |
|
|
1395 | evpipe_write (EV_A_ &sig_pending); |
|
|
1396 | } |
|
|
1397 | |
1321 | static void |
1398 | static void |
1322 | ev_sighandler (int signum) |
1399 | ev_sighandler (int signum) |
1323 | { |
1400 | { |
1324 | #if EV_MULTIPLICITY |
|
|
1325 | EV_P = signals [signum - 1].loop; |
|
|
1326 | #endif |
|
|
1327 | |
|
|
1328 | #ifdef _WIN32 |
1401 | #ifdef _WIN32 |
1329 | signal (signum, ev_sighandler); |
1402 | signal (signum, ev_sighandler); |
1330 | #endif |
1403 | #endif |
1331 | |
1404 | |
1332 | signals [signum - 1].pending = 1; |
1405 | ev_feed_signal (signum); |
1333 | evpipe_write (EV_A_ &sig_pending); |
|
|
1334 | } |
1406 | } |
1335 | |
1407 | |
1336 | void noinline |
1408 | void noinline |
1337 | ev_feed_signal_event (EV_P_ int signum) |
1409 | ev_feed_signal_event (EV_P_ int signum) |
1338 | { |
1410 | { |
… | |
… | |
1375 | break; |
1447 | break; |
1376 | } |
1448 | } |
1377 | } |
1449 | } |
1378 | #endif |
1450 | #endif |
1379 | |
1451 | |
|
|
1452 | #endif |
|
|
1453 | |
1380 | /*****************************************************************************/ |
1454 | /*****************************************************************************/ |
1381 | |
1455 | |
|
|
1456 | #if EV_CHILD_ENABLE |
1382 | static WL childs [EV_PID_HASHSIZE]; |
1457 | static WL childs [EV_PID_HASHSIZE]; |
1383 | |
|
|
1384 | #ifndef _WIN32 |
|
|
1385 | |
1458 | |
1386 | static ev_signal childev; |
1459 | static ev_signal childev; |
1387 | |
1460 | |
1388 | #ifndef WIFCONTINUED |
1461 | #ifndef WIFCONTINUED |
1389 | # define WIFCONTINUED(status) 0 |
1462 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1394 | child_reap (EV_P_ int chain, int pid, int status) |
1467 | child_reap (EV_P_ int chain, int pid, int status) |
1395 | { |
1468 | { |
1396 | ev_child *w; |
1469 | ev_child *w; |
1397 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1470 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1398 | |
1471 | |
1399 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1472 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1400 | { |
1473 | { |
1401 | if ((w->pid == pid || !w->pid) |
1474 | if ((w->pid == pid || !w->pid) |
1402 | && (!traced || (w->flags & 1))) |
1475 | && (!traced || (w->flags & 1))) |
1403 | { |
1476 | { |
1404 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1477 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1429 | /* make sure we are called again until all children have been reaped */ |
1502 | /* make sure we are called again until all children have been reaped */ |
1430 | /* we need to do it this way so that the callback gets called before we continue */ |
1503 | /* we need to do it this way so that the callback gets called before we continue */ |
1431 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1504 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1432 | |
1505 | |
1433 | child_reap (EV_A_ pid, pid, status); |
1506 | child_reap (EV_A_ pid, pid, status); |
1434 | if (EV_PID_HASHSIZE > 1) |
1507 | if ((EV_PID_HASHSIZE) > 1) |
1435 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1508 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1436 | } |
1509 | } |
1437 | |
1510 | |
1438 | #endif |
1511 | #endif |
1439 | |
1512 | |
1440 | /*****************************************************************************/ |
1513 | /*****************************************************************************/ |
1441 | |
1514 | |
|
|
1515 | #if EV_USE_IOCP |
|
|
1516 | # include "ev_iocp.c" |
|
|
1517 | #endif |
1442 | #if EV_USE_PORT |
1518 | #if EV_USE_PORT |
1443 | # include "ev_port.c" |
1519 | # include "ev_port.c" |
1444 | #endif |
1520 | #endif |
1445 | #if EV_USE_KQUEUE |
1521 | #if EV_USE_KQUEUE |
1446 | # include "ev_kqueue.c" |
1522 | # include "ev_kqueue.c" |
… | |
… | |
1506 | #ifdef __APPLE__ |
1582 | #ifdef __APPLE__ |
1507 | /* only select works correctly on that "unix-certified" platform */ |
1583 | /* only select works correctly on that "unix-certified" platform */ |
1508 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1584 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1509 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1585 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1510 | #endif |
1586 | #endif |
|
|
1587 | #ifdef __FreeBSD__ |
|
|
1588 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1589 | #endif |
1511 | |
1590 | |
1512 | return flags; |
1591 | return flags; |
1513 | } |
1592 | } |
1514 | |
1593 | |
1515 | unsigned int |
1594 | unsigned int |
1516 | ev_embeddable_backends (void) |
1595 | ev_embeddable_backends (void) |
1517 | { |
1596 | { |
1518 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1597 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1519 | |
1598 | |
1520 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1599 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1521 | /* please fix it and tell me how to detect the fix */ |
1600 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1522 | flags &= ~EVBACKEND_EPOLL; |
1601 | flags &= ~EVBACKEND_EPOLL; |
1523 | |
1602 | |
1524 | return flags; |
1603 | return flags; |
1525 | } |
1604 | } |
1526 | |
1605 | |
1527 | unsigned int |
1606 | unsigned int |
1528 | ev_backend (EV_P) |
1607 | ev_backend (EV_P) |
1529 | { |
1608 | { |
1530 | return backend; |
1609 | return backend; |
1531 | } |
1610 | } |
1532 | |
1611 | |
1533 | #if EV_MINIMAL < 2 |
1612 | #if EV_FEATURE_API |
1534 | unsigned int |
1613 | unsigned int |
1535 | ev_loop_count (EV_P) |
1614 | ev_iteration (EV_P) |
1536 | { |
1615 | { |
1537 | return loop_count; |
1616 | return loop_count; |
1538 | } |
1617 | } |
1539 | |
1618 | |
1540 | unsigned int |
1619 | unsigned int |
1541 | ev_loop_depth (EV_P) |
1620 | ev_depth (EV_P) |
1542 | { |
1621 | { |
1543 | return loop_depth; |
1622 | return loop_depth; |
1544 | } |
1623 | } |
1545 | |
1624 | |
1546 | void |
1625 | void |
… | |
… | |
1583 | static void noinline |
1662 | static void noinline |
1584 | loop_init (EV_P_ unsigned int flags) |
1663 | loop_init (EV_P_ unsigned int flags) |
1585 | { |
1664 | { |
1586 | if (!backend) |
1665 | if (!backend) |
1587 | { |
1666 | { |
|
|
1667 | origflags = flags; |
|
|
1668 | |
1588 | #if EV_USE_REALTIME |
1669 | #if EV_USE_REALTIME |
1589 | if (!have_realtime) |
1670 | if (!have_realtime) |
1590 | { |
1671 | { |
1591 | struct timespec ts; |
1672 | struct timespec ts; |
1592 | |
1673 | |
… | |
… | |
1618 | |
1699 | |
1619 | ev_rt_now = ev_time (); |
1700 | ev_rt_now = ev_time (); |
1620 | mn_now = get_clock (); |
1701 | mn_now = get_clock (); |
1621 | now_floor = mn_now; |
1702 | now_floor = mn_now; |
1622 | rtmn_diff = ev_rt_now - mn_now; |
1703 | rtmn_diff = ev_rt_now - mn_now; |
1623 | #if EV_MINIMAL < 2 |
1704 | #if EV_FEATURE_API |
1624 | invoke_cb = ev_invoke_pending; |
1705 | invoke_cb = ev_invoke_pending; |
1625 | #endif |
1706 | #endif |
1626 | |
1707 | |
1627 | io_blocktime = 0.; |
1708 | io_blocktime = 0.; |
1628 | timeout_blocktime = 0.; |
1709 | timeout_blocktime = 0.; |
… | |
… | |
1637 | #endif |
1718 | #endif |
1638 | #if EV_USE_SIGNALFD |
1719 | #if EV_USE_SIGNALFD |
1639 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1720 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1640 | #endif |
1721 | #endif |
1641 | |
1722 | |
1642 | if (!(flags & 0x0000ffffU)) |
1723 | if (!(flags & EVBACKEND_MASK)) |
1643 | flags |= ev_recommended_backends (); |
1724 | flags |= ev_recommended_backends (); |
1644 | |
1725 | |
|
|
1726 | #if EV_USE_IOCP |
|
|
1727 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1728 | #endif |
1645 | #if EV_USE_PORT |
1729 | #if EV_USE_PORT |
1646 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1730 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1647 | #endif |
1731 | #endif |
1648 | #if EV_USE_KQUEUE |
1732 | #if EV_USE_KQUEUE |
1649 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1733 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1658 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1742 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1659 | #endif |
1743 | #endif |
1660 | |
1744 | |
1661 | ev_prepare_init (&pending_w, pendingcb); |
1745 | ev_prepare_init (&pending_w, pendingcb); |
1662 | |
1746 | |
|
|
1747 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1663 | ev_init (&pipe_w, pipecb); |
1748 | ev_init (&pipe_w, pipecb); |
1664 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1749 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1750 | #endif |
1665 | } |
1751 | } |
1666 | } |
1752 | } |
1667 | |
1753 | |
1668 | /* free up a loop structure */ |
1754 | /* free up a loop structure */ |
1669 | static void noinline |
1755 | void |
1670 | loop_destroy (EV_P) |
1756 | ev_loop_destroy (EV_P) |
1671 | { |
1757 | { |
1672 | int i; |
1758 | int i; |
|
|
1759 | |
|
|
1760 | #if EV_MULTIPLICITY |
|
|
1761 | /* mimic free (0) */ |
|
|
1762 | if (!EV_A) |
|
|
1763 | return; |
|
|
1764 | #endif |
|
|
1765 | |
|
|
1766 | #if EV_CLEANUP_ENABLE |
|
|
1767 | /* queue cleanup watchers (and execute them) */ |
|
|
1768 | if (expect_false (cleanupcnt)) |
|
|
1769 | { |
|
|
1770 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1771 | EV_INVOKE_PENDING; |
|
|
1772 | } |
|
|
1773 | #endif |
|
|
1774 | |
|
|
1775 | #if EV_CHILD_ENABLE |
|
|
1776 | if (ev_is_active (&childev)) |
|
|
1777 | { |
|
|
1778 | ev_ref (EV_A); /* child watcher */ |
|
|
1779 | ev_signal_stop (EV_A_ &childev); |
|
|
1780 | } |
|
|
1781 | #endif |
1673 | |
1782 | |
1674 | if (ev_is_active (&pipe_w)) |
1783 | if (ev_is_active (&pipe_w)) |
1675 | { |
1784 | { |
1676 | /*ev_ref (EV_A);*/ |
1785 | /*ev_ref (EV_A);*/ |
1677 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1786 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1699 | #endif |
1808 | #endif |
1700 | |
1809 | |
1701 | if (backend_fd >= 0) |
1810 | if (backend_fd >= 0) |
1702 | close (backend_fd); |
1811 | close (backend_fd); |
1703 | |
1812 | |
|
|
1813 | #if EV_USE_IOCP |
|
|
1814 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1815 | #endif |
1704 | #if EV_USE_PORT |
1816 | #if EV_USE_PORT |
1705 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1817 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1706 | #endif |
1818 | #endif |
1707 | #if EV_USE_KQUEUE |
1819 | #if EV_USE_KQUEUE |
1708 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1820 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1735 | array_free (periodic, EMPTY); |
1847 | array_free (periodic, EMPTY); |
1736 | #endif |
1848 | #endif |
1737 | #if EV_FORK_ENABLE |
1849 | #if EV_FORK_ENABLE |
1738 | array_free (fork, EMPTY); |
1850 | array_free (fork, EMPTY); |
1739 | #endif |
1851 | #endif |
|
|
1852 | #if EV_CLEANUP_ENABLE |
|
|
1853 | array_free (cleanup, EMPTY); |
|
|
1854 | #endif |
1740 | array_free (prepare, EMPTY); |
1855 | array_free (prepare, EMPTY); |
1741 | array_free (check, EMPTY); |
1856 | array_free (check, EMPTY); |
1742 | #if EV_ASYNC_ENABLE |
1857 | #if EV_ASYNC_ENABLE |
1743 | array_free (async, EMPTY); |
1858 | array_free (async, EMPTY); |
1744 | #endif |
1859 | #endif |
1745 | |
1860 | |
1746 | backend = 0; |
1861 | backend = 0; |
|
|
1862 | |
|
|
1863 | #if EV_MULTIPLICITY |
|
|
1864 | if (ev_is_default_loop (EV_A)) |
|
|
1865 | #endif |
|
|
1866 | ev_default_loop_ptr = 0; |
|
|
1867 | #if EV_MULTIPLICITY |
|
|
1868 | else |
|
|
1869 | ev_free (EV_A); |
|
|
1870 | #endif |
1747 | } |
1871 | } |
1748 | |
1872 | |
1749 | #if EV_USE_INOTIFY |
1873 | #if EV_USE_INOTIFY |
1750 | inline_size void infy_fork (EV_P); |
1874 | inline_size void infy_fork (EV_P); |
1751 | #endif |
1875 | #endif |
… | |
… | |
1787 | { |
1911 | { |
1788 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1912 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1789 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1913 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1790 | } |
1914 | } |
1791 | |
1915 | |
|
|
1916 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1792 | evpipe_init (EV_A); |
1917 | evpipe_init (EV_A); |
1793 | /* now iterate over everything, in case we missed something */ |
1918 | /* now iterate over everything, in case we missed something */ |
1794 | pipecb (EV_A_ &pipe_w, EV_READ); |
1919 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1920 | #endif |
1795 | } |
1921 | } |
1796 | |
1922 | |
1797 | postfork = 0; |
1923 | postfork = 0; |
1798 | } |
1924 | } |
1799 | |
1925 | |
… | |
… | |
1808 | loop_init (EV_A_ flags); |
1934 | loop_init (EV_A_ flags); |
1809 | |
1935 | |
1810 | if (ev_backend (EV_A)) |
1936 | if (ev_backend (EV_A)) |
1811 | return EV_A; |
1937 | return EV_A; |
1812 | |
1938 | |
|
|
1939 | ev_free (EV_A); |
1813 | return 0; |
1940 | return 0; |
1814 | } |
1941 | } |
1815 | |
1942 | |
1816 | void |
|
|
1817 | ev_loop_destroy (EV_P) |
|
|
1818 | { |
|
|
1819 | loop_destroy (EV_A); |
|
|
1820 | ev_free (loop); |
|
|
1821 | } |
|
|
1822 | |
|
|
1823 | void |
|
|
1824 | ev_loop_fork (EV_P) |
|
|
1825 | { |
|
|
1826 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1827 | } |
|
|
1828 | #endif /* multiplicity */ |
1943 | #endif /* multiplicity */ |
1829 | |
1944 | |
1830 | #if EV_VERIFY |
1945 | #if EV_VERIFY |
1831 | static void noinline |
1946 | static void noinline |
1832 | verify_watcher (EV_P_ W w) |
1947 | verify_watcher (EV_P_ W w) |
… | |
… | |
1861 | verify_watcher (EV_A_ ws [cnt]); |
1976 | verify_watcher (EV_A_ ws [cnt]); |
1862 | } |
1977 | } |
1863 | } |
1978 | } |
1864 | #endif |
1979 | #endif |
1865 | |
1980 | |
1866 | #if EV_MINIMAL < 2 |
1981 | #if EV_FEATURE_API |
1867 | void |
1982 | void |
1868 | ev_loop_verify (EV_P) |
1983 | ev_verify (EV_P) |
1869 | { |
1984 | { |
1870 | #if EV_VERIFY |
1985 | #if EV_VERIFY |
1871 | int i; |
1986 | int i; |
1872 | WL w; |
1987 | WL w; |
1873 | |
1988 | |
… | |
… | |
1907 | #if EV_FORK_ENABLE |
2022 | #if EV_FORK_ENABLE |
1908 | assert (forkmax >= forkcnt); |
2023 | assert (forkmax >= forkcnt); |
1909 | array_verify (EV_A_ (W *)forks, forkcnt); |
2024 | array_verify (EV_A_ (W *)forks, forkcnt); |
1910 | #endif |
2025 | #endif |
1911 | |
2026 | |
|
|
2027 | #if EV_CLEANUP_ENABLE |
|
|
2028 | assert (cleanupmax >= cleanupcnt); |
|
|
2029 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2030 | #endif |
|
|
2031 | |
1912 | #if EV_ASYNC_ENABLE |
2032 | #if EV_ASYNC_ENABLE |
1913 | assert (asyncmax >= asynccnt); |
2033 | assert (asyncmax >= asynccnt); |
1914 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2034 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1915 | #endif |
2035 | #endif |
1916 | |
2036 | |
|
|
2037 | #if EV_PREPARE_ENABLE |
1917 | assert (preparemax >= preparecnt); |
2038 | assert (preparemax >= preparecnt); |
1918 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2039 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2040 | #endif |
1919 | |
2041 | |
|
|
2042 | #if EV_CHECK_ENABLE |
1920 | assert (checkmax >= checkcnt); |
2043 | assert (checkmax >= checkcnt); |
1921 | array_verify (EV_A_ (W *)checks, checkcnt); |
2044 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2045 | #endif |
1922 | |
2046 | |
1923 | # if 0 |
2047 | # if 0 |
|
|
2048 | #if EV_CHILD_ENABLE |
1924 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2049 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1925 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
2050 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2051 | #endif |
1926 | # endif |
2052 | # endif |
1927 | #endif |
2053 | #endif |
1928 | } |
2054 | } |
1929 | #endif |
2055 | #endif |
1930 | |
2056 | |
1931 | #if EV_MULTIPLICITY |
2057 | #if EV_MULTIPLICITY |
1932 | struct ev_loop * |
2058 | struct ev_loop * |
1933 | ev_default_loop_init (unsigned int flags) |
|
|
1934 | #else |
2059 | #else |
1935 | int |
2060 | int |
|
|
2061 | #endif |
1936 | ev_default_loop (unsigned int flags) |
2062 | ev_default_loop (unsigned int flags) |
1937 | #endif |
|
|
1938 | { |
2063 | { |
1939 | if (!ev_default_loop_ptr) |
2064 | if (!ev_default_loop_ptr) |
1940 | { |
2065 | { |
1941 | #if EV_MULTIPLICITY |
2066 | #if EV_MULTIPLICITY |
1942 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2067 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1946 | |
2071 | |
1947 | loop_init (EV_A_ flags); |
2072 | loop_init (EV_A_ flags); |
1948 | |
2073 | |
1949 | if (ev_backend (EV_A)) |
2074 | if (ev_backend (EV_A)) |
1950 | { |
2075 | { |
1951 | #ifndef _WIN32 |
2076 | #if EV_CHILD_ENABLE |
1952 | ev_signal_init (&childev, childcb, SIGCHLD); |
2077 | ev_signal_init (&childev, childcb, SIGCHLD); |
1953 | ev_set_priority (&childev, EV_MAXPRI); |
2078 | ev_set_priority (&childev, EV_MAXPRI); |
1954 | ev_signal_start (EV_A_ &childev); |
2079 | ev_signal_start (EV_A_ &childev); |
1955 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2080 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1956 | #endif |
2081 | #endif |
… | |
… | |
1961 | |
2086 | |
1962 | return ev_default_loop_ptr; |
2087 | return ev_default_loop_ptr; |
1963 | } |
2088 | } |
1964 | |
2089 | |
1965 | void |
2090 | void |
1966 | ev_default_destroy (void) |
2091 | ev_loop_fork (EV_P) |
1967 | { |
2092 | { |
1968 | #if EV_MULTIPLICITY |
|
|
1969 | EV_P = ev_default_loop_ptr; |
|
|
1970 | #endif |
|
|
1971 | |
|
|
1972 | ev_default_loop_ptr = 0; |
|
|
1973 | |
|
|
1974 | #ifndef _WIN32 |
|
|
1975 | ev_ref (EV_A); /* child watcher */ |
|
|
1976 | ev_signal_stop (EV_A_ &childev); |
|
|
1977 | #endif |
|
|
1978 | |
|
|
1979 | loop_destroy (EV_A); |
|
|
1980 | } |
|
|
1981 | |
|
|
1982 | void |
|
|
1983 | ev_default_fork (void) |
|
|
1984 | { |
|
|
1985 | #if EV_MULTIPLICITY |
|
|
1986 | EV_P = ev_default_loop_ptr; |
|
|
1987 | #endif |
|
|
1988 | |
|
|
1989 | postfork = 1; /* must be in line with ev_loop_fork */ |
2093 | postfork = 1; /* must be in line with ev_default_fork */ |
1990 | } |
2094 | } |
1991 | |
2095 | |
1992 | /*****************************************************************************/ |
2096 | /*****************************************************************************/ |
1993 | |
2097 | |
1994 | void |
2098 | void |
… | |
… | |
2016 | |
2120 | |
2017 | for (pri = NUMPRI; pri--; ) |
2121 | for (pri = NUMPRI; pri--; ) |
2018 | while (pendingcnt [pri]) |
2122 | while (pendingcnt [pri]) |
2019 | { |
2123 | { |
2020 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2124 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2021 | |
|
|
2022 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2023 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
2024 | |
2125 | |
2025 | p->w->pending = 0; |
2126 | p->w->pending = 0; |
2026 | EV_CB_INVOKE (p->w, p->events); |
2127 | EV_CB_INVOKE (p->w, p->events); |
2027 | EV_FREQUENT_CHECK; |
2128 | EV_FREQUENT_CHECK; |
2028 | } |
2129 | } |
… | |
… | |
2085 | EV_FREQUENT_CHECK; |
2186 | EV_FREQUENT_CHECK; |
2086 | feed_reverse (EV_A_ (W)w); |
2187 | feed_reverse (EV_A_ (W)w); |
2087 | } |
2188 | } |
2088 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2189 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2089 | |
2190 | |
2090 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2191 | feed_reverse_done (EV_A_ EV_TIMER); |
2091 | } |
2192 | } |
2092 | } |
2193 | } |
2093 | |
2194 | |
2094 | #if EV_PERIODIC_ENABLE |
2195 | #if EV_PERIODIC_ENABLE |
2095 | /* make periodics pending */ |
2196 | /* make periodics pending */ |
… | |
… | |
2148 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2249 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2149 | } |
2250 | } |
2150 | } |
2251 | } |
2151 | |
2252 | |
2152 | /* simply recalculate all periodics */ |
2253 | /* simply recalculate all periodics */ |
2153 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2254 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2154 | static void noinline |
2255 | static void noinline |
2155 | periodics_reschedule (EV_P) |
2256 | periodics_reschedule (EV_P) |
2156 | { |
2257 | { |
2157 | int i; |
2258 | int i; |
2158 | |
2259 | |
… | |
… | |
2254 | mn_now = ev_rt_now; |
2355 | mn_now = ev_rt_now; |
2255 | } |
2356 | } |
2256 | } |
2357 | } |
2257 | |
2358 | |
2258 | void |
2359 | void |
2259 | ev_loop (EV_P_ int flags) |
2360 | ev_run (EV_P_ int flags) |
2260 | { |
2361 | { |
2261 | #if EV_MINIMAL < 2 |
2362 | #if EV_FEATURE_API |
2262 | ++loop_depth; |
2363 | ++loop_depth; |
2263 | #endif |
2364 | #endif |
2264 | |
2365 | |
2265 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2366 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2266 | |
2367 | |
2267 | loop_done = EVUNLOOP_CANCEL; |
2368 | loop_done = EVBREAK_CANCEL; |
2268 | |
2369 | |
2269 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2370 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2270 | |
2371 | |
2271 | do |
2372 | do |
2272 | { |
2373 | { |
2273 | #if EV_VERIFY >= 2 |
2374 | #if EV_VERIFY >= 2 |
2274 | ev_loop_verify (EV_A); |
2375 | ev_verify (EV_A); |
2275 | #endif |
2376 | #endif |
2276 | |
2377 | |
2277 | #ifndef _WIN32 |
2378 | #ifndef _WIN32 |
2278 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2379 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2279 | if (expect_false (getpid () != curpid)) |
2380 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2291 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2392 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2292 | EV_INVOKE_PENDING; |
2393 | EV_INVOKE_PENDING; |
2293 | } |
2394 | } |
2294 | #endif |
2395 | #endif |
2295 | |
2396 | |
|
|
2397 | #if EV_PREPARE_ENABLE |
2296 | /* queue prepare watchers (and execute them) */ |
2398 | /* queue prepare watchers (and execute them) */ |
2297 | if (expect_false (preparecnt)) |
2399 | if (expect_false (preparecnt)) |
2298 | { |
2400 | { |
2299 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2401 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2300 | EV_INVOKE_PENDING; |
2402 | EV_INVOKE_PENDING; |
2301 | } |
2403 | } |
|
|
2404 | #endif |
2302 | |
2405 | |
2303 | if (expect_false (loop_done)) |
2406 | if (expect_false (loop_done)) |
2304 | break; |
2407 | break; |
2305 | |
2408 | |
2306 | /* we might have forked, so reify kernel state if necessary */ |
2409 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2313 | /* calculate blocking time */ |
2416 | /* calculate blocking time */ |
2314 | { |
2417 | { |
2315 | ev_tstamp waittime = 0.; |
2418 | ev_tstamp waittime = 0.; |
2316 | ev_tstamp sleeptime = 0.; |
2419 | ev_tstamp sleeptime = 0.; |
2317 | |
2420 | |
|
|
2421 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2422 | ev_tstamp prev_mn_now = mn_now; |
|
|
2423 | |
|
|
2424 | /* update time to cancel out callback processing overhead */ |
|
|
2425 | time_update (EV_A_ 1e100); |
|
|
2426 | |
2318 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2427 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2319 | { |
2428 | { |
2320 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2321 | ev_tstamp prev_mn_now = mn_now; |
|
|
2322 | |
|
|
2323 | /* update time to cancel out callback processing overhead */ |
|
|
2324 | time_update (EV_A_ 1e100); |
|
|
2325 | |
|
|
2326 | waittime = MAX_BLOCKTIME; |
2429 | waittime = MAX_BLOCKTIME; |
2327 | |
2430 | |
2328 | if (timercnt) |
2431 | if (timercnt) |
2329 | { |
2432 | { |
2330 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2433 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2357 | waittime -= sleeptime; |
2460 | waittime -= sleeptime; |
2358 | } |
2461 | } |
2359 | } |
2462 | } |
2360 | } |
2463 | } |
2361 | |
2464 | |
2362 | #if EV_MINIMAL < 2 |
2465 | #if EV_FEATURE_API |
2363 | ++loop_count; |
2466 | ++loop_count; |
2364 | #endif |
2467 | #endif |
2365 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2468 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2366 | backend_poll (EV_A_ waittime); |
2469 | backend_poll (EV_A_ waittime); |
2367 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2470 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2368 | |
2471 | |
2369 | /* update ev_rt_now, do magic */ |
2472 | /* update ev_rt_now, do magic */ |
2370 | time_update (EV_A_ waittime + sleeptime); |
2473 | time_update (EV_A_ waittime + sleeptime); |
2371 | } |
2474 | } |
2372 | |
2475 | |
… | |
… | |
2379 | #if EV_IDLE_ENABLE |
2482 | #if EV_IDLE_ENABLE |
2380 | /* queue idle watchers unless other events are pending */ |
2483 | /* queue idle watchers unless other events are pending */ |
2381 | idle_reify (EV_A); |
2484 | idle_reify (EV_A); |
2382 | #endif |
2485 | #endif |
2383 | |
2486 | |
|
|
2487 | #if EV_CHECK_ENABLE |
2384 | /* queue check watchers, to be executed first */ |
2488 | /* queue check watchers, to be executed first */ |
2385 | if (expect_false (checkcnt)) |
2489 | if (expect_false (checkcnt)) |
2386 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2490 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2491 | #endif |
2387 | |
2492 | |
2388 | EV_INVOKE_PENDING; |
2493 | EV_INVOKE_PENDING; |
2389 | } |
2494 | } |
2390 | while (expect_true ( |
2495 | while (expect_true ( |
2391 | activecnt |
2496 | activecnt |
2392 | && !loop_done |
2497 | && !loop_done |
2393 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2498 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2394 | )); |
2499 | )); |
2395 | |
2500 | |
2396 | if (loop_done == EVUNLOOP_ONE) |
2501 | if (loop_done == EVBREAK_ONE) |
2397 | loop_done = EVUNLOOP_CANCEL; |
2502 | loop_done = EVBREAK_CANCEL; |
2398 | |
2503 | |
2399 | #if EV_MINIMAL < 2 |
2504 | #if EV_FEATURE_API |
2400 | --loop_depth; |
2505 | --loop_depth; |
2401 | #endif |
2506 | #endif |
2402 | } |
2507 | } |
2403 | |
2508 | |
2404 | void |
2509 | void |
2405 | ev_unloop (EV_P_ int how) |
2510 | ev_break (EV_P_ int how) |
2406 | { |
2511 | { |
2407 | loop_done = how; |
2512 | loop_done = how; |
2408 | } |
2513 | } |
2409 | |
2514 | |
2410 | void |
2515 | void |
… | |
… | |
2558 | EV_FREQUENT_CHECK; |
2663 | EV_FREQUENT_CHECK; |
2559 | |
2664 | |
2560 | wlist_del (&anfds[w->fd].head, (WL)w); |
2665 | wlist_del (&anfds[w->fd].head, (WL)w); |
2561 | ev_stop (EV_A_ (W)w); |
2666 | ev_stop (EV_A_ (W)w); |
2562 | |
2667 | |
2563 | fd_change (EV_A_ w->fd, 1); |
2668 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2564 | |
2669 | |
2565 | EV_FREQUENT_CHECK; |
2670 | EV_FREQUENT_CHECK; |
2566 | } |
2671 | } |
2567 | |
2672 | |
2568 | void noinline |
2673 | void noinline |
… | |
… | |
2721 | |
2826 | |
2722 | #ifndef SA_RESTART |
2827 | #ifndef SA_RESTART |
2723 | # define SA_RESTART 0 |
2828 | # define SA_RESTART 0 |
2724 | #endif |
2829 | #endif |
2725 | |
2830 | |
|
|
2831 | #if EV_SIGNAL_ENABLE |
|
|
2832 | |
2726 | void noinline |
2833 | void noinline |
2727 | ev_signal_start (EV_P_ ev_signal *w) |
2834 | ev_signal_start (EV_P_ ev_signal *w) |
2728 | { |
2835 | { |
2729 | if (expect_false (ev_is_active (w))) |
2836 | if (expect_false (ev_is_active (w))) |
2730 | return; |
2837 | return; |
… | |
… | |
2790 | sa.sa_handler = ev_sighandler; |
2897 | sa.sa_handler = ev_sighandler; |
2791 | sigfillset (&sa.sa_mask); |
2898 | sigfillset (&sa.sa_mask); |
2792 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2899 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2793 | sigaction (w->signum, &sa, 0); |
2900 | sigaction (w->signum, &sa, 0); |
2794 | |
2901 | |
|
|
2902 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
2903 | { |
2795 | sigemptyset (&sa.sa_mask); |
2904 | sigemptyset (&sa.sa_mask); |
2796 | sigaddset (&sa.sa_mask, w->signum); |
2905 | sigaddset (&sa.sa_mask, w->signum); |
2797 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2906 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
2907 | } |
2798 | #endif |
2908 | #endif |
2799 | } |
2909 | } |
2800 | |
2910 | |
2801 | EV_FREQUENT_CHECK; |
2911 | EV_FREQUENT_CHECK; |
2802 | } |
2912 | } |
… | |
… | |
2836 | } |
2946 | } |
2837 | |
2947 | |
2838 | EV_FREQUENT_CHECK; |
2948 | EV_FREQUENT_CHECK; |
2839 | } |
2949 | } |
2840 | |
2950 | |
|
|
2951 | #endif |
|
|
2952 | |
|
|
2953 | #if EV_CHILD_ENABLE |
|
|
2954 | |
2841 | void |
2955 | void |
2842 | ev_child_start (EV_P_ ev_child *w) |
2956 | ev_child_start (EV_P_ ev_child *w) |
2843 | { |
2957 | { |
2844 | #if EV_MULTIPLICITY |
2958 | #if EV_MULTIPLICITY |
2845 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2959 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2848 | return; |
2962 | return; |
2849 | |
2963 | |
2850 | EV_FREQUENT_CHECK; |
2964 | EV_FREQUENT_CHECK; |
2851 | |
2965 | |
2852 | ev_start (EV_A_ (W)w, 1); |
2966 | ev_start (EV_A_ (W)w, 1); |
2853 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2967 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2854 | |
2968 | |
2855 | EV_FREQUENT_CHECK; |
2969 | EV_FREQUENT_CHECK; |
2856 | } |
2970 | } |
2857 | |
2971 | |
2858 | void |
2972 | void |
… | |
… | |
2862 | if (expect_false (!ev_is_active (w))) |
2976 | if (expect_false (!ev_is_active (w))) |
2863 | return; |
2977 | return; |
2864 | |
2978 | |
2865 | EV_FREQUENT_CHECK; |
2979 | EV_FREQUENT_CHECK; |
2866 | |
2980 | |
2867 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2981 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2868 | ev_stop (EV_A_ (W)w); |
2982 | ev_stop (EV_A_ (W)w); |
2869 | |
2983 | |
2870 | EV_FREQUENT_CHECK; |
2984 | EV_FREQUENT_CHECK; |
2871 | } |
2985 | } |
|
|
2986 | |
|
|
2987 | #endif |
2872 | |
2988 | |
2873 | #if EV_STAT_ENABLE |
2989 | #if EV_STAT_ENABLE |
2874 | |
2990 | |
2875 | # ifdef _WIN32 |
2991 | # ifdef _WIN32 |
2876 | # undef lstat |
2992 | # undef lstat |
… | |
… | |
2943 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3059 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2944 | } |
3060 | } |
2945 | } |
3061 | } |
2946 | |
3062 | |
2947 | if (w->wd >= 0) |
3063 | if (w->wd >= 0) |
2948 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3064 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2949 | |
3065 | |
2950 | /* now re-arm timer, if required */ |
3066 | /* now re-arm timer, if required */ |
2951 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3067 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2952 | ev_timer_again (EV_A_ &w->timer); |
3068 | ev_timer_again (EV_A_ &w->timer); |
2953 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
3069 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
… | |
… | |
2961 | |
3077 | |
2962 | if (wd < 0) |
3078 | if (wd < 0) |
2963 | return; |
3079 | return; |
2964 | |
3080 | |
2965 | w->wd = -2; |
3081 | w->wd = -2; |
2966 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3082 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2967 | wlist_del (&fs_hash [slot].head, (WL)w); |
3083 | wlist_del (&fs_hash [slot].head, (WL)w); |
2968 | |
3084 | |
2969 | /* remove this watcher, if others are watching it, they will rearm */ |
3085 | /* remove this watcher, if others are watching it, they will rearm */ |
2970 | inotify_rm_watch (fs_fd, wd); |
3086 | inotify_rm_watch (fs_fd, wd); |
2971 | } |
3087 | } |
… | |
… | |
2973 | static void noinline |
3089 | static void noinline |
2974 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3090 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2975 | { |
3091 | { |
2976 | if (slot < 0) |
3092 | if (slot < 0) |
2977 | /* overflow, need to check for all hash slots */ |
3093 | /* overflow, need to check for all hash slots */ |
2978 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3094 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2979 | infy_wd (EV_A_ slot, wd, ev); |
3095 | infy_wd (EV_A_ slot, wd, ev); |
2980 | else |
3096 | else |
2981 | { |
3097 | { |
2982 | WL w_; |
3098 | WL w_; |
2983 | |
3099 | |
2984 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3100 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2985 | { |
3101 | { |
2986 | ev_stat *w = (ev_stat *)w_; |
3102 | ev_stat *w = (ev_stat *)w_; |
2987 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3103 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2988 | |
3104 | |
2989 | if (w->wd == wd || wd == -1) |
3105 | if (w->wd == wd || wd == -1) |
2990 | { |
3106 | { |
2991 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3107 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2992 | { |
3108 | { |
2993 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3109 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2994 | w->wd = -1; |
3110 | w->wd = -1; |
2995 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3111 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2996 | } |
3112 | } |
2997 | |
3113 | |
2998 | stat_timer_cb (EV_A_ &w->timer, 0); |
3114 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
3012 | { |
3128 | { |
3013 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3129 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3014 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3130 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3015 | ofs += sizeof (struct inotify_event) + ev->len; |
3131 | ofs += sizeof (struct inotify_event) + ev->len; |
3016 | } |
3132 | } |
3017 | } |
|
|
3018 | |
|
|
3019 | inline_size unsigned int |
|
|
3020 | ev_linux_version (void) |
|
|
3021 | { |
|
|
3022 | struct utsname buf; |
|
|
3023 | unsigned int v; |
|
|
3024 | int i; |
|
|
3025 | char *p = buf.release; |
|
|
3026 | |
|
|
3027 | if (uname (&buf)) |
|
|
3028 | return 0; |
|
|
3029 | |
|
|
3030 | for (i = 3+1; --i; ) |
|
|
3031 | { |
|
|
3032 | unsigned int c = 0; |
|
|
3033 | |
|
|
3034 | for (;;) |
|
|
3035 | { |
|
|
3036 | if (*p >= '0' && *p <= '9') |
|
|
3037 | c = c * 10 + *p++ - '0'; |
|
|
3038 | else |
|
|
3039 | { |
|
|
3040 | p += *p == '.'; |
|
|
3041 | break; |
|
|
3042 | } |
|
|
3043 | } |
|
|
3044 | |
|
|
3045 | v = (v << 8) | c; |
|
|
3046 | } |
|
|
3047 | |
|
|
3048 | return v; |
|
|
3049 | } |
3133 | } |
3050 | |
3134 | |
3051 | inline_size void |
3135 | inline_size void |
3052 | ev_check_2625 (EV_P) |
3136 | ev_check_2625 (EV_P) |
3053 | { |
3137 | { |
… | |
… | |
3112 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3196 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3113 | ev_io_start (EV_A_ &fs_w); |
3197 | ev_io_start (EV_A_ &fs_w); |
3114 | ev_unref (EV_A); |
3198 | ev_unref (EV_A); |
3115 | } |
3199 | } |
3116 | |
3200 | |
3117 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3201 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3118 | { |
3202 | { |
3119 | WL w_ = fs_hash [slot].head; |
3203 | WL w_ = fs_hash [slot].head; |
3120 | fs_hash [slot].head = 0; |
3204 | fs_hash [slot].head = 0; |
3121 | |
3205 | |
3122 | while (w_) |
3206 | while (w_) |
… | |
… | |
3297 | |
3381 | |
3298 | EV_FREQUENT_CHECK; |
3382 | EV_FREQUENT_CHECK; |
3299 | } |
3383 | } |
3300 | #endif |
3384 | #endif |
3301 | |
3385 | |
|
|
3386 | #if EV_PREPARE_ENABLE |
3302 | void |
3387 | void |
3303 | ev_prepare_start (EV_P_ ev_prepare *w) |
3388 | ev_prepare_start (EV_P_ ev_prepare *w) |
3304 | { |
3389 | { |
3305 | if (expect_false (ev_is_active (w))) |
3390 | if (expect_false (ev_is_active (w))) |
3306 | return; |
3391 | return; |
… | |
… | |
3332 | |
3417 | |
3333 | ev_stop (EV_A_ (W)w); |
3418 | ev_stop (EV_A_ (W)w); |
3334 | |
3419 | |
3335 | EV_FREQUENT_CHECK; |
3420 | EV_FREQUENT_CHECK; |
3336 | } |
3421 | } |
|
|
3422 | #endif |
3337 | |
3423 | |
|
|
3424 | #if EV_CHECK_ENABLE |
3338 | void |
3425 | void |
3339 | ev_check_start (EV_P_ ev_check *w) |
3426 | ev_check_start (EV_P_ ev_check *w) |
3340 | { |
3427 | { |
3341 | if (expect_false (ev_is_active (w))) |
3428 | if (expect_false (ev_is_active (w))) |
3342 | return; |
3429 | return; |
… | |
… | |
3368 | |
3455 | |
3369 | ev_stop (EV_A_ (W)w); |
3456 | ev_stop (EV_A_ (W)w); |
3370 | |
3457 | |
3371 | EV_FREQUENT_CHECK; |
3458 | EV_FREQUENT_CHECK; |
3372 | } |
3459 | } |
|
|
3460 | #endif |
3373 | |
3461 | |
3374 | #if EV_EMBED_ENABLE |
3462 | #if EV_EMBED_ENABLE |
3375 | void noinline |
3463 | void noinline |
3376 | ev_embed_sweep (EV_P_ ev_embed *w) |
3464 | ev_embed_sweep (EV_P_ ev_embed *w) |
3377 | { |
3465 | { |
3378 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3466 | ev_run (w->other, EVRUN_NOWAIT); |
3379 | } |
3467 | } |
3380 | |
3468 | |
3381 | static void |
3469 | static void |
3382 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3470 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3383 | { |
3471 | { |
3384 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3472 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3385 | |
3473 | |
3386 | if (ev_cb (w)) |
3474 | if (ev_cb (w)) |
3387 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3475 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3388 | else |
3476 | else |
3389 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3477 | ev_run (w->other, EVRUN_NOWAIT); |
3390 | } |
3478 | } |
3391 | |
3479 | |
3392 | static void |
3480 | static void |
3393 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3481 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3394 | { |
3482 | { |
… | |
… | |
3398 | EV_P = w->other; |
3486 | EV_P = w->other; |
3399 | |
3487 | |
3400 | while (fdchangecnt) |
3488 | while (fdchangecnt) |
3401 | { |
3489 | { |
3402 | fd_reify (EV_A); |
3490 | fd_reify (EV_A); |
3403 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3491 | ev_run (EV_A_ EVRUN_NOWAIT); |
3404 | } |
3492 | } |
3405 | } |
3493 | } |
3406 | } |
3494 | } |
3407 | |
3495 | |
3408 | static void |
3496 | static void |
… | |
… | |
3414 | |
3502 | |
3415 | { |
3503 | { |
3416 | EV_P = w->other; |
3504 | EV_P = w->other; |
3417 | |
3505 | |
3418 | ev_loop_fork (EV_A); |
3506 | ev_loop_fork (EV_A); |
3419 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3507 | ev_run (EV_A_ EVRUN_NOWAIT); |
3420 | } |
3508 | } |
3421 | |
3509 | |
3422 | ev_embed_start (EV_A_ w); |
3510 | ev_embed_start (EV_A_ w); |
3423 | } |
3511 | } |
3424 | |
3512 | |
… | |
… | |
3516 | |
3604 | |
3517 | EV_FREQUENT_CHECK; |
3605 | EV_FREQUENT_CHECK; |
3518 | } |
3606 | } |
3519 | #endif |
3607 | #endif |
3520 | |
3608 | |
3521 | #if EV_ASYNC_ENABLE |
3609 | #if EV_CLEANUP_ENABLE |
3522 | void |
3610 | void |
3523 | ev_async_start (EV_P_ ev_async *w) |
3611 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
3524 | { |
3612 | { |
3525 | if (expect_false (ev_is_active (w))) |
3613 | if (expect_false (ev_is_active (w))) |
3526 | return; |
3614 | return; |
|
|
3615 | |
|
|
3616 | EV_FREQUENT_CHECK; |
|
|
3617 | |
|
|
3618 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3619 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3620 | cleanups [cleanupcnt - 1] = w; |
|
|
3621 | |
|
|
3622 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3623 | ev_unref (EV_A); |
|
|
3624 | EV_FREQUENT_CHECK; |
|
|
3625 | } |
|
|
3626 | |
|
|
3627 | void |
|
|
3628 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3629 | { |
|
|
3630 | clear_pending (EV_A_ (W)w); |
|
|
3631 | if (expect_false (!ev_is_active (w))) |
|
|
3632 | return; |
|
|
3633 | |
|
|
3634 | EV_FREQUENT_CHECK; |
|
|
3635 | ev_ref (EV_A); |
|
|
3636 | |
|
|
3637 | { |
|
|
3638 | int active = ev_active (w); |
|
|
3639 | |
|
|
3640 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3641 | ev_active (cleanups [active - 1]) = active; |
|
|
3642 | } |
|
|
3643 | |
|
|
3644 | ev_stop (EV_A_ (W)w); |
|
|
3645 | |
|
|
3646 | EV_FREQUENT_CHECK; |
|
|
3647 | } |
|
|
3648 | #endif |
|
|
3649 | |
|
|
3650 | #if EV_ASYNC_ENABLE |
|
|
3651 | void |
|
|
3652 | ev_async_start (EV_P_ ev_async *w) |
|
|
3653 | { |
|
|
3654 | if (expect_false (ev_is_active (w))) |
|
|
3655 | return; |
|
|
3656 | |
|
|
3657 | w->sent = 0; |
3527 | |
3658 | |
3528 | evpipe_init (EV_A); |
3659 | evpipe_init (EV_A); |
3529 | |
3660 | |
3530 | EV_FREQUENT_CHECK; |
3661 | EV_FREQUENT_CHECK; |
3531 | |
3662 | |
… | |
… | |
3609 | { |
3740 | { |
3610 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3741 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3611 | |
3742 | |
3612 | if (expect_false (!once)) |
3743 | if (expect_false (!once)) |
3613 | { |
3744 | { |
3614 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3745 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3615 | return; |
3746 | return; |
3616 | } |
3747 | } |
3617 | |
3748 | |
3618 | once->cb = cb; |
3749 | once->cb = cb; |
3619 | once->arg = arg; |
3750 | once->arg = arg; |
… | |
… | |
3706 | if (types & EV_ASYNC) |
3837 | if (types & EV_ASYNC) |
3707 | for (i = asynccnt; i--; ) |
3838 | for (i = asynccnt; i--; ) |
3708 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3839 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3709 | #endif |
3840 | #endif |
3710 | |
3841 | |
|
|
3842 | #if EV_PREPARE_ENABLE |
3711 | if (types & EV_PREPARE) |
3843 | if (types & EV_PREPARE) |
3712 | for (i = preparecnt; i--; ) |
3844 | for (i = preparecnt; i--; ) |
3713 | #if EV_EMBED_ENABLE |
3845 | # if EV_EMBED_ENABLE |
3714 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3846 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3715 | #endif |
3847 | # endif |
3716 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3848 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3849 | #endif |
3717 | |
3850 | |
|
|
3851 | #if EV_CHECK_ENABLE |
3718 | if (types & EV_CHECK) |
3852 | if (types & EV_CHECK) |
3719 | for (i = checkcnt; i--; ) |
3853 | for (i = checkcnt; i--; ) |
3720 | cb (EV_A_ EV_CHECK, checks [i]); |
3854 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3855 | #endif |
3721 | |
3856 | |
|
|
3857 | #if EV_SIGNAL_ENABLE |
3722 | if (types & EV_SIGNAL) |
3858 | if (types & EV_SIGNAL) |
3723 | for (i = 0; i < EV_NSIG - 1; ++i) |
3859 | for (i = 0; i < EV_NSIG - 1; ++i) |
3724 | for (wl = signals [i].head; wl; ) |
3860 | for (wl = signals [i].head; wl; ) |
3725 | { |
3861 | { |
3726 | wn = wl->next; |
3862 | wn = wl->next; |
3727 | cb (EV_A_ EV_SIGNAL, wl); |
3863 | cb (EV_A_ EV_SIGNAL, wl); |
3728 | wl = wn; |
3864 | wl = wn; |
3729 | } |
3865 | } |
|
|
3866 | #endif |
3730 | |
3867 | |
|
|
3868 | #if EV_CHILD_ENABLE |
3731 | if (types & EV_CHILD) |
3869 | if (types & EV_CHILD) |
3732 | for (i = EV_PID_HASHSIZE; i--; ) |
3870 | for (i = (EV_PID_HASHSIZE); i--; ) |
3733 | for (wl = childs [i]; wl; ) |
3871 | for (wl = childs [i]; wl; ) |
3734 | { |
3872 | { |
3735 | wn = wl->next; |
3873 | wn = wl->next; |
3736 | cb (EV_A_ EV_CHILD, wl); |
3874 | cb (EV_A_ EV_CHILD, wl); |
3737 | wl = wn; |
3875 | wl = wn; |
3738 | } |
3876 | } |
|
|
3877 | #endif |
3739 | /* EV_STAT 0x00001000 /* stat data changed */ |
3878 | /* EV_STAT 0x00001000 /* stat data changed */ |
3740 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3879 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3741 | } |
3880 | } |
3742 | #endif |
3881 | #endif |
3743 | |
3882 | |
3744 | #if EV_MULTIPLICITY |
3883 | #if EV_MULTIPLICITY |
3745 | #include "ev_wrap.h" |
3884 | #include "ev_wrap.h" |
3746 | #endif |
3885 | #endif |
3747 | |
3886 | |
3748 | #ifdef __cplusplus |
3887 | EV_CPP(}) |
3749 | } |
|
|
3750 | #endif |
|
|
3751 | |
3888 | |