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 |
… | |
… | |
57 | # endif |
53 | # endif |
58 | # ifndef EV_USE_MONOTONIC |
54 | # ifndef EV_USE_MONOTONIC |
59 | # define EV_USE_MONOTONIC 1 |
55 | # define EV_USE_MONOTONIC 1 |
60 | # endif |
56 | # endif |
61 | # endif |
57 | # endif |
|
|
58 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
|
|
59 | # define EV_USE_CLOCK_SYSCALL 0 |
62 | # endif |
60 | # endif |
63 | |
61 | |
64 | # if HAVE_CLOCK_GETTIME |
62 | # if HAVE_CLOCK_GETTIME |
65 | # ifndef EV_USE_MONOTONIC |
63 | # ifndef EV_USE_MONOTONIC |
66 | # define EV_USE_MONOTONIC 1 |
64 | # define EV_USE_MONOTONIC 1 |
67 | # endif |
65 | # endif |
68 | # ifndef EV_USE_REALTIME |
66 | # ifndef EV_USE_REALTIME |
69 | # define EV_USE_REALTIME 1 |
67 | # define EV_USE_REALTIME 0 |
70 | # endif |
68 | # endif |
71 | # else |
69 | # else |
72 | # ifndef EV_USE_MONOTONIC |
70 | # ifndef EV_USE_MONOTONIC |
73 | # define EV_USE_MONOTONIC 0 |
71 | # define EV_USE_MONOTONIC 0 |
74 | # endif |
72 | # endif |
75 | # ifndef EV_USE_REALTIME |
73 | # ifndef EV_USE_REALTIME |
76 | # define EV_USE_REALTIME 0 |
74 | # define EV_USE_REALTIME 0 |
77 | # endif |
75 | # endif |
78 | # endif |
76 | # endif |
79 | |
77 | |
|
|
78 | # if HAVE_NANOSLEEP |
80 | # ifndef EV_USE_NANOSLEEP |
79 | # ifndef EV_USE_NANOSLEEP |
81 | # if HAVE_NANOSLEEP |
|
|
82 | # define EV_USE_NANOSLEEP 1 |
80 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
81 | # endif |
83 | # else |
82 | # else |
|
|
83 | # undef EV_USE_NANOSLEEP |
84 | # 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 |
85 | # endif |
90 | # endif |
|
|
91 | # else |
|
|
92 | # undef EV_USE_SELECT |
|
|
93 | # define EV_USE_SELECT 0 |
86 | # endif |
94 | # endif |
87 | |
95 | |
|
|
96 | # if HAVE_POLL && HAVE_POLL_H |
88 | # ifndef EV_USE_SELECT |
97 | # ifndef EV_USE_POLL |
89 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
98 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
90 | # define EV_USE_SELECT 1 |
|
|
91 | # else |
|
|
92 | # define EV_USE_SELECT 0 |
|
|
93 | # endif |
99 | # endif |
94 | # endif |
|
|
95 | |
|
|
96 | # ifndef EV_USE_POLL |
|
|
97 | # if HAVE_POLL && HAVE_POLL_H |
|
|
98 | # define EV_USE_POLL 1 |
|
|
99 | # else |
100 | # else |
|
|
101 | # undef EV_USE_POLL |
100 | # define EV_USE_POLL 0 |
102 | # define EV_USE_POLL 0 |
101 | # endif |
|
|
102 | # endif |
103 | # endif |
103 | |
104 | |
104 | # ifndef EV_USE_EPOLL |
|
|
105 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
105 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
106 | # define EV_USE_EPOLL 1 |
106 | # ifndef EV_USE_EPOLL |
107 | # else |
107 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
108 | # define EV_USE_EPOLL 0 |
|
|
109 | # endif |
108 | # endif |
|
|
109 | # else |
|
|
110 | # undef EV_USE_EPOLL |
|
|
111 | # define EV_USE_EPOLL 0 |
110 | # endif |
112 | # endif |
111 | |
113 | |
|
|
114 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
112 | # ifndef EV_USE_KQUEUE |
115 | # ifndef EV_USE_KQUEUE |
113 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
116 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
114 | # define EV_USE_KQUEUE 1 |
|
|
115 | # else |
|
|
116 | # define EV_USE_KQUEUE 0 |
|
|
117 | # endif |
117 | # endif |
|
|
118 | # else |
|
|
119 | # undef EV_USE_KQUEUE |
|
|
120 | # define EV_USE_KQUEUE 0 |
118 | # endif |
121 | # endif |
119 | |
122 | |
120 | # ifndef EV_USE_PORT |
|
|
121 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
122 | # define EV_USE_PORT 1 |
124 | # ifndef EV_USE_PORT |
123 | # else |
125 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
124 | # define EV_USE_PORT 0 |
|
|
125 | # endif |
126 | # endif |
|
|
127 | # else |
|
|
128 | # undef EV_USE_PORT |
|
|
129 | # define EV_USE_PORT 0 |
126 | # endif |
130 | # endif |
127 | |
131 | |
128 | # ifndef EV_USE_INOTIFY |
|
|
129 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
130 | # define EV_USE_INOTIFY 1 |
133 | # ifndef EV_USE_INOTIFY |
131 | # else |
|
|
132 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY EV_FEATURE_OS |
133 | # endif |
135 | # endif |
|
|
136 | # else |
|
|
137 | # undef EV_USE_INOTIFY |
|
|
138 | # define EV_USE_INOTIFY 0 |
134 | # endif |
139 | # endif |
135 | |
140 | |
|
|
141 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
136 | # ifndef EV_USE_EVENTFD |
142 | # ifndef EV_USE_SIGNALFD |
137 | # if HAVE_EVENTFD |
143 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
138 | # define EV_USE_EVENTFD 1 |
|
|
139 | # else |
|
|
140 | # define EV_USE_EVENTFD 0 |
|
|
141 | # endif |
144 | # endif |
|
|
145 | # else |
|
|
146 | # undef EV_USE_SIGNALFD |
|
|
147 | # define EV_USE_SIGNALFD 0 |
|
|
148 | # endif |
|
|
149 | |
|
|
150 | # if HAVE_EVENTFD |
|
|
151 | # ifndef EV_USE_EVENTFD |
|
|
152 | # define EV_USE_EVENTFD EV_FEATURE_OS |
|
|
153 | # endif |
|
|
154 | # else |
|
|
155 | # undef EV_USE_EVENTFD |
|
|
156 | # define EV_USE_EVENTFD 0 |
142 | # endif |
157 | # endif |
143 | |
158 | |
144 | #endif |
159 | #endif |
145 | |
160 | |
146 | #include <math.h> |
161 | #include <math.h> |
147 | #include <stdlib.h> |
162 | #include <stdlib.h> |
|
|
163 | #include <string.h> |
148 | #include <fcntl.h> |
164 | #include <fcntl.h> |
149 | #include <stddef.h> |
165 | #include <stddef.h> |
150 | |
166 | |
151 | #include <stdio.h> |
167 | #include <stdio.h> |
152 | |
168 | |
153 | #include <assert.h> |
169 | #include <assert.h> |
154 | #include <errno.h> |
170 | #include <errno.h> |
155 | #include <sys/types.h> |
171 | #include <sys/types.h> |
156 | #include <time.h> |
172 | #include <time.h> |
|
|
173 | #include <limits.h> |
157 | |
174 | |
158 | #include <signal.h> |
175 | #include <signal.h> |
159 | |
176 | |
160 | #ifdef EV_H |
177 | #ifdef EV_H |
161 | # include EV_H |
178 | # include EV_H |
162 | #else |
179 | #else |
163 | # include "ev.h" |
180 | # include "ev.h" |
164 | #endif |
181 | #endif |
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|
182 | |
|
|
183 | EV_CPP(extern "C" {) |
165 | |
184 | |
166 | #ifndef _WIN32 |
185 | #ifndef _WIN32 |
167 | # include <sys/time.h> |
186 | # include <sys/time.h> |
168 | # include <sys/wait.h> |
187 | # include <sys/wait.h> |
169 | # include <unistd.h> |
188 | # include <unistd.h> |
… | |
… | |
172 | # define WIN32_LEAN_AND_MEAN |
191 | # define WIN32_LEAN_AND_MEAN |
173 | # include <windows.h> |
192 | # include <windows.h> |
174 | # ifndef EV_SELECT_IS_WINSOCKET |
193 | # ifndef EV_SELECT_IS_WINSOCKET |
175 | # define EV_SELECT_IS_WINSOCKET 1 |
194 | # define EV_SELECT_IS_WINSOCKET 1 |
176 | # endif |
195 | # endif |
|
|
196 | # undef EV_AVOID_STDIO |
177 | #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 |
178 | |
206 | |
179 | /* 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 */ |
|
|
208 | |
|
|
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) |
|
|
214 | #elif defined(_NSIG) |
|
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215 | # define EV_NSIG (_NSIG) |
|
|
216 | #elif defined (SIGMAX) |
|
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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) |
|
|
224 | #elif defined (MAX_SIG) |
|
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225 | # define EV_NSIG (MAX_SIG+1) |
|
|
226 | #elif defined (SIGARRAYSIZE) |
|
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227 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
|
|
228 | #elif defined (_sys_nsig) |
|
|
229 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
|
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230 | #else |
|
|
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 |
|
|
235 | #endif |
180 | |
236 | |
181 | #ifndef EV_USE_CLOCK_SYSCALL |
237 | #ifndef EV_USE_CLOCK_SYSCALL |
182 | # if __linux && __GLIBC__ >= 2 |
238 | # if __linux && __GLIBC__ >= 2 |
183 | # define EV_USE_CLOCK_SYSCALL 1 |
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
184 | # else |
240 | # else |
185 | # define EV_USE_CLOCK_SYSCALL 0 |
241 | # define EV_USE_CLOCK_SYSCALL 0 |
186 | # endif |
242 | # endif |
187 | #endif |
243 | #endif |
188 | |
244 | |
189 | #ifndef EV_USE_MONOTONIC |
245 | #ifndef EV_USE_MONOTONIC |
190 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
191 | # define EV_USE_MONOTONIC 1 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
192 | # else |
248 | # else |
193 | # define EV_USE_MONOTONIC 0 |
249 | # define EV_USE_MONOTONIC 0 |
194 | # endif |
250 | # endif |
195 | #endif |
251 | #endif |
196 | |
252 | |
197 | #ifndef EV_USE_REALTIME |
253 | #ifndef EV_USE_REALTIME |
198 | # define EV_USE_REALTIME 0 |
254 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
199 | #endif |
255 | #endif |
200 | |
256 | |
201 | #ifndef EV_USE_NANOSLEEP |
257 | #ifndef EV_USE_NANOSLEEP |
202 | # if _POSIX_C_SOURCE >= 199309L |
258 | # if _POSIX_C_SOURCE >= 199309L |
203 | # define EV_USE_NANOSLEEP 1 |
259 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
204 | # else |
260 | # else |
205 | # define EV_USE_NANOSLEEP 0 |
261 | # define EV_USE_NANOSLEEP 0 |
206 | # endif |
262 | # endif |
207 | #endif |
263 | #endif |
208 | |
264 | |
209 | #ifndef EV_USE_SELECT |
265 | #ifndef EV_USE_SELECT |
210 | # define EV_USE_SELECT 1 |
266 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
211 | #endif |
267 | #endif |
212 | |
268 | |
213 | #ifndef EV_USE_POLL |
269 | #ifndef EV_USE_POLL |
214 | # ifdef _WIN32 |
270 | # ifdef _WIN32 |
215 | # define EV_USE_POLL 0 |
271 | # define EV_USE_POLL 0 |
216 | # else |
272 | # else |
217 | # define EV_USE_POLL 1 |
273 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
218 | # endif |
274 | # endif |
219 | #endif |
275 | #endif |
220 | |
276 | |
221 | #ifndef EV_USE_EPOLL |
277 | #ifndef EV_USE_EPOLL |
222 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
223 | # define EV_USE_EPOLL 1 |
279 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
224 | # else |
280 | # else |
225 | # define EV_USE_EPOLL 0 |
281 | # define EV_USE_EPOLL 0 |
226 | # endif |
282 | # endif |
227 | #endif |
283 | #endif |
228 | |
284 | |
… | |
… | |
234 | # define EV_USE_PORT 0 |
290 | # define EV_USE_PORT 0 |
235 | #endif |
291 | #endif |
236 | |
292 | |
237 | #ifndef EV_USE_INOTIFY |
293 | #ifndef EV_USE_INOTIFY |
238 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
294 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
239 | # define EV_USE_INOTIFY 1 |
295 | # define EV_USE_INOTIFY EV_FEATURE_OS |
240 | # else |
296 | # else |
241 | # define EV_USE_INOTIFY 0 |
297 | # define EV_USE_INOTIFY 0 |
242 | # endif |
298 | # endif |
243 | #endif |
299 | #endif |
244 | |
300 | |
245 | #ifndef EV_PID_HASHSIZE |
301 | #ifndef EV_PID_HASHSIZE |
246 | # if EV_MINIMAL |
302 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
247 | # define EV_PID_HASHSIZE 1 |
|
|
248 | # else |
|
|
249 | # define EV_PID_HASHSIZE 16 |
|
|
250 | # endif |
|
|
251 | #endif |
303 | #endif |
252 | |
304 | |
253 | #ifndef EV_INOTIFY_HASHSIZE |
305 | #ifndef EV_INOTIFY_HASHSIZE |
254 | # if EV_MINIMAL |
306 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
255 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
256 | # else |
|
|
257 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
258 | # endif |
|
|
259 | #endif |
307 | #endif |
260 | |
308 | |
261 | #ifndef EV_USE_EVENTFD |
309 | #ifndef EV_USE_EVENTFD |
262 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
263 | # define EV_USE_EVENTFD 1 |
311 | # define EV_USE_EVENTFD EV_FEATURE_OS |
264 | # else |
312 | # else |
265 | # 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 |
266 | # endif |
322 | # endif |
267 | #endif |
323 | #endif |
268 | |
324 | |
269 | #if 0 /* debugging */ |
325 | #if 0 /* debugging */ |
270 | # define EV_VERIFY 3 |
326 | # define EV_VERIFY 3 |
271 | # define EV_USE_4HEAP 1 |
327 | # define EV_USE_4HEAP 1 |
272 | # define EV_HEAP_CACHE_AT 1 |
328 | # define EV_HEAP_CACHE_AT 1 |
273 | #endif |
329 | #endif |
274 | |
330 | |
275 | #ifndef EV_VERIFY |
331 | #ifndef EV_VERIFY |
276 | # define EV_VERIFY !EV_MINIMAL |
332 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
277 | #endif |
333 | #endif |
278 | |
334 | |
279 | #ifndef EV_USE_4HEAP |
335 | #ifndef EV_USE_4HEAP |
280 | # define EV_USE_4HEAP !EV_MINIMAL |
336 | # define EV_USE_4HEAP EV_FEATURE_DATA |
281 | #endif |
337 | #endif |
282 | |
338 | |
283 | #ifndef EV_HEAP_CACHE_AT |
339 | #ifndef EV_HEAP_CACHE_AT |
284 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
340 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
|
|
341 | #endif |
|
|
342 | |
|
|
343 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
344 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
345 | #if EV_USE_CLOCK_SYSCALL |
|
|
346 | # include <syscall.h> |
|
|
347 | # ifdef SYS_clock_gettime |
|
|
348 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
349 | # undef EV_USE_MONOTONIC |
|
|
350 | # define EV_USE_MONOTONIC 1 |
|
|
351 | # else |
|
|
352 | # undef EV_USE_CLOCK_SYSCALL |
|
|
353 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
354 | # endif |
285 | #endif |
355 | #endif |
286 | |
356 | |
287 | /* 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 */ |
|
|
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 |
288 | |
364 | |
289 | #ifndef CLOCK_MONOTONIC |
365 | #ifndef CLOCK_MONOTONIC |
290 | # undef EV_USE_MONOTONIC |
366 | # undef EV_USE_MONOTONIC |
291 | # define EV_USE_MONOTONIC 0 |
367 | # define EV_USE_MONOTONIC 0 |
292 | #endif |
368 | #endif |
… | |
… | |
306 | # include <sys/select.h> |
382 | # include <sys/select.h> |
307 | # endif |
383 | # endif |
308 | #endif |
384 | #endif |
309 | |
385 | |
310 | #if EV_USE_INOTIFY |
386 | #if EV_USE_INOTIFY |
311 | # include <sys/utsname.h> |
|
|
312 | # include <sys/statfs.h> |
387 | # include <sys/statfs.h> |
313 | # include <sys/inotify.h> |
388 | # include <sys/inotify.h> |
314 | /* 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 */ |
315 | # ifndef IN_DONT_FOLLOW |
390 | # ifndef IN_DONT_FOLLOW |
316 | # undef EV_USE_INOTIFY |
391 | # undef EV_USE_INOTIFY |
… | |
… | |
320 | |
395 | |
321 | #if EV_SELECT_IS_WINSOCKET |
396 | #if EV_SELECT_IS_WINSOCKET |
322 | # include <winsock.h> |
397 | # include <winsock.h> |
323 | #endif |
398 | #endif |
324 | |
399 | |
325 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
326 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
327 | #if EV_USE_CLOCK_SYSCALL |
|
|
328 | # include <syscall.h> |
|
|
329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
330 | # undef EV_USE_MONOTONIC |
|
|
331 | # define EV_USE_MONOTONIC 1 |
|
|
332 | #endif |
|
|
333 | |
|
|
334 | #if EV_USE_EVENTFD |
400 | #if EV_USE_EVENTFD |
335 | /* 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 */ |
336 | # include <stdint.h> |
402 | # include <stdint.h> |
337 | # ifdef __cplusplus |
403 | # ifndef EFD_NONBLOCK |
338 | extern "C" { |
404 | # define EFD_NONBLOCK O_NONBLOCK |
339 | # endif |
405 | # endif |
340 | int eventfd (unsigned int initval, int flags); |
406 | # ifndef EFD_CLOEXEC |
341 | # ifdef __cplusplus |
407 | # ifdef O_CLOEXEC |
342 | } |
408 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
409 | # else |
|
|
410 | # define EFD_CLOEXEC 02000000 |
|
|
411 | # endif |
343 | # endif |
412 | # endif |
|
|
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 | }; |
344 | #endif |
436 | #endif |
345 | |
437 | |
346 | /**/ |
438 | /**/ |
347 | |
439 | |
348 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
349 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
350 | #else |
442 | #else |
351 | # define EV_FREQUENT_CHECK do { } while (0) |
443 | # define EV_FREQUENT_CHECK do { } while (0) |
352 | #endif |
444 | #endif |
353 | |
445 | |
354 | /* |
446 | /* |
… | |
… | |
361 | */ |
453 | */ |
362 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
363 | |
455 | |
364 | #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) */ |
365 | #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) */ |
366 | /*#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) |
367 | |
461 | |
368 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
369 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
370 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
371 | #else |
465 | #else |
… | |
… | |
378 | |
472 | |
379 | #define expect_false(expr) expect ((expr) != 0, 0) |
473 | #define expect_false(expr) expect ((expr) != 0, 0) |
380 | #define expect_true(expr) expect ((expr) != 0, 1) |
474 | #define expect_true(expr) expect ((expr) != 0, 1) |
381 | #define inline_size static inline |
475 | #define inline_size static inline |
382 | |
476 | |
383 | #if EV_MINIMAL |
477 | #if EV_FEATURE_CODE |
|
|
478 | # define inline_speed static inline |
|
|
479 | #else |
384 | # define inline_speed static noinline |
480 | # define inline_speed static noinline |
|
|
481 | #endif |
|
|
482 | |
|
|
483 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
484 | |
|
|
485 | #if EV_MINPRI == EV_MAXPRI |
|
|
486 | # define ABSPRI(w) (((W)w), 0) |
385 | #else |
487 | #else |
386 | # define inline_speed static inline |
|
|
387 | #endif |
|
|
388 | |
|
|
389 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
390 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
488 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
|
|
489 | #endif |
391 | |
490 | |
392 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
491 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
393 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
492 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
394 | |
493 | |
395 | typedef ev_watcher *W; |
494 | typedef ev_watcher *W; |
… | |
… | |
397 | typedef ev_watcher_time *WT; |
496 | typedef ev_watcher_time *WT; |
398 | |
497 | |
399 | #define ev_active(w) ((W)(w))->active |
498 | #define ev_active(w) ((W)(w))->active |
400 | #define ev_at(w) ((WT)(w))->at |
499 | #define ev_at(w) ((WT)(w))->at |
401 | |
500 | |
|
|
501 | #if EV_USE_REALTIME |
|
|
502 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
503 | /* giving it a reasonably high chance of working on typical architectures */ |
|
|
504 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
|
|
505 | #endif |
|
|
506 | |
402 | #if EV_USE_MONOTONIC |
507 | #if EV_USE_MONOTONIC |
403 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
404 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
|
405 | 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? */ |
|
|
509 | #endif |
|
|
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) |
406 | #endif |
519 | #endif |
407 | |
520 | |
408 | #ifdef _WIN32 |
521 | #ifdef _WIN32 |
409 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
410 | #endif |
523 | #endif |
411 | |
524 | |
412 | /*****************************************************************************/ |
525 | /*****************************************************************************/ |
|
|
526 | |
|
|
527 | #ifdef __linux |
|
|
528 | # include <sys/utsname.h> |
|
|
529 | #endif |
|
|
530 | |
|
|
531 | static unsigned int noinline |
|
|
532 | ev_linux_version (void) |
|
|
533 | { |
|
|
534 | #ifdef __linux |
|
|
535 | unsigned int v = 0; |
|
|
536 | struct utsname buf; |
|
|
537 | int i; |
|
|
538 | char *p = buf.release; |
|
|
539 | |
|
|
540 | if (uname (&buf)) |
|
|
541 | return 0; |
|
|
542 | |
|
|
543 | for (i = 3+1; --i; ) |
|
|
544 | { |
|
|
545 | unsigned int c = 0; |
|
|
546 | |
|
|
547 | for (;;) |
|
|
548 | { |
|
|
549 | if (*p >= '0' && *p <= '9') |
|
|
550 | c = c * 10 + *p++ - '0'; |
|
|
551 | else |
|
|
552 | { |
|
|
553 | p += *p == '.'; |
|
|
554 | break; |
|
|
555 | } |
|
|
556 | } |
|
|
557 | |
|
|
558 | v = (v << 8) | c; |
|
|
559 | } |
|
|
560 | |
|
|
561 | return v; |
|
|
562 | #else |
|
|
563 | return 0; |
|
|
564 | #endif |
|
|
565 | } |
|
|
566 | |
|
|
567 | /*****************************************************************************/ |
|
|
568 | |
|
|
569 | #if EV_AVOID_STDIO |
|
|
570 | static void noinline |
|
|
571 | ev_printerr (const char *msg) |
|
|
572 | { |
|
|
573 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
574 | } |
|
|
575 | #endif |
413 | |
576 | |
414 | static void (*syserr_cb)(const char *msg); |
577 | static void (*syserr_cb)(const char *msg); |
415 | |
578 | |
416 | void |
579 | void |
417 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
580 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
427 | |
590 | |
428 | if (syserr_cb) |
591 | if (syserr_cb) |
429 | syserr_cb (msg); |
592 | syserr_cb (msg); |
430 | else |
593 | else |
431 | { |
594 | { |
|
|
595 | #if EV_AVOID_STDIO |
|
|
596 | ev_printerr (msg); |
|
|
597 | ev_printerr (": "); |
|
|
598 | ev_printerr (strerror (errno)); |
|
|
599 | ev_printerr ("\n"); |
|
|
600 | #else |
432 | perror (msg); |
601 | perror (msg); |
|
|
602 | #endif |
433 | abort (); |
603 | abort (); |
434 | } |
604 | } |
435 | } |
605 | } |
436 | |
606 | |
437 | static void * |
607 | static void * |
438 | ev_realloc_emul (void *ptr, long size) |
608 | ev_realloc_emul (void *ptr, long size) |
439 | { |
609 | { |
|
|
610 | #if __GLIBC__ |
|
|
611 | return realloc (ptr, size); |
|
|
612 | #else |
440 | /* some systems, notably openbsd and darwin, fail to properly |
613 | /* some systems, notably openbsd and darwin, fail to properly |
441 | * 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 |
442 | * the single unix specification, so work around them here. |
615 | * the single unix specification, so work around them here. |
443 | */ |
616 | */ |
444 | |
617 | |
445 | if (size) |
618 | if (size) |
446 | return realloc (ptr, size); |
619 | return realloc (ptr, size); |
447 | |
620 | |
448 | free (ptr); |
621 | free (ptr); |
449 | return 0; |
622 | return 0; |
|
|
623 | #endif |
450 | } |
624 | } |
451 | |
625 | |
452 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
626 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
453 | |
627 | |
454 | void |
628 | void |
… | |
… | |
462 | { |
636 | { |
463 | ptr = alloc (ptr, size); |
637 | ptr = alloc (ptr, size); |
464 | |
638 | |
465 | if (!ptr && size) |
639 | if (!ptr && size) |
466 | { |
640 | { |
|
|
641 | #if EV_AVOID_STDIO |
|
|
642 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
|
|
643 | #else |
467 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
644 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
|
|
645 | #endif |
468 | abort (); |
646 | abort (); |
469 | } |
647 | } |
470 | |
648 | |
471 | return ptr; |
649 | return ptr; |
472 | } |
650 | } |
… | |
… | |
474 | #define ev_malloc(size) ev_realloc (0, (size)) |
652 | #define ev_malloc(size) ev_realloc (0, (size)) |
475 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
653 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
476 | |
654 | |
477 | /*****************************************************************************/ |
655 | /*****************************************************************************/ |
478 | |
656 | |
|
|
657 | /* set in reify when reification needed */ |
|
|
658 | #define EV_ANFD_REIFY 1 |
|
|
659 | |
|
|
660 | /* file descriptor info structure */ |
479 | typedef struct |
661 | typedef struct |
480 | { |
662 | { |
481 | WL head; |
663 | WL head; |
482 | unsigned char events; |
664 | unsigned char events; /* the events watched for */ |
483 | unsigned char reify; |
665 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
484 | 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 */ |
485 | unsigned char unused; |
667 | unsigned char unused; |
486 | #if EV_USE_EPOLL |
668 | #if EV_USE_EPOLL |
487 | unsigned int egen; /* generation counter to counter epoll bugs */ |
669 | unsigned int egen; /* generation counter to counter epoll bugs */ |
488 | #endif |
670 | #endif |
489 | #if EV_SELECT_IS_WINSOCKET |
671 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
490 | SOCKET handle; |
672 | SOCKET handle; |
491 | #endif |
673 | #endif |
|
|
674 | #if EV_USE_IOCP |
|
|
675 | OVERLAPPED or, ow; |
|
|
676 | #endif |
492 | } ANFD; |
677 | } ANFD; |
493 | |
678 | |
|
|
679 | /* stores the pending event set for a given watcher */ |
494 | typedef struct |
680 | typedef struct |
495 | { |
681 | { |
496 | W w; |
682 | W w; |
497 | int events; |
683 | int events; /* the pending event set for the given watcher */ |
498 | } ANPENDING; |
684 | } ANPENDING; |
499 | |
685 | |
500 | #if EV_USE_INOTIFY |
686 | #if EV_USE_INOTIFY |
501 | /* hash table entry per inotify-id */ |
687 | /* hash table entry per inotify-id */ |
502 | typedef struct |
688 | typedef struct |
… | |
… | |
505 | } ANFS; |
691 | } ANFS; |
506 | #endif |
692 | #endif |
507 | |
693 | |
508 | /* Heap Entry */ |
694 | /* Heap Entry */ |
509 | #if EV_HEAP_CACHE_AT |
695 | #if EV_HEAP_CACHE_AT |
|
|
696 | /* a heap element */ |
510 | typedef struct { |
697 | typedef struct { |
511 | ev_tstamp at; |
698 | ev_tstamp at; |
512 | WT w; |
699 | WT w; |
513 | } ANHE; |
700 | } ANHE; |
514 | |
701 | |
515 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
702 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
516 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
703 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
517 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
704 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
518 | #else |
705 | #else |
|
|
706 | /* a heap element */ |
519 | typedef WT ANHE; |
707 | typedef WT ANHE; |
520 | |
708 | |
521 | #define ANHE_w(he) (he) |
709 | #define ANHE_w(he) (he) |
522 | #define ANHE_at(he) (he)->at |
710 | #define ANHE_at(he) (he)->at |
523 | #define ANHE_at_cache(he) |
711 | #define ANHE_at_cache(he) |
… | |
… | |
547 | |
735 | |
548 | static int ev_default_loop_ptr; |
736 | static int ev_default_loop_ptr; |
549 | |
737 | |
550 | #endif |
738 | #endif |
551 | |
739 | |
|
|
740 | #if EV_FEATURE_API |
|
|
741 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
|
|
742 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
|
|
743 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
|
|
744 | #else |
|
|
745 | # define EV_RELEASE_CB (void)0 |
|
|
746 | # define EV_ACQUIRE_CB (void)0 |
|
|
747 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
748 | #endif |
|
|
749 | |
|
|
750 | #define EVBREAK_RECURSE 0x80 |
|
|
751 | |
552 | /*****************************************************************************/ |
752 | /*****************************************************************************/ |
553 | |
753 | |
|
|
754 | #ifndef EV_HAVE_EV_TIME |
554 | ev_tstamp |
755 | ev_tstamp |
555 | ev_time (void) |
756 | ev_time (void) |
556 | { |
757 | { |
557 | #if EV_USE_REALTIME |
758 | #if EV_USE_REALTIME |
|
|
759 | if (expect_true (have_realtime)) |
|
|
760 | { |
558 | struct timespec ts; |
761 | struct timespec ts; |
559 | clock_gettime (CLOCK_REALTIME, &ts); |
762 | clock_gettime (CLOCK_REALTIME, &ts); |
560 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
763 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
561 | #else |
764 | } |
|
|
765 | #endif |
|
|
766 | |
562 | struct timeval tv; |
767 | struct timeval tv; |
563 | gettimeofday (&tv, 0); |
768 | gettimeofday (&tv, 0); |
564 | return tv.tv_sec + tv.tv_usec * 1e-6; |
769 | return tv.tv_sec + tv.tv_usec * 1e-6; |
565 | #endif |
|
|
566 | } |
770 | } |
|
|
771 | #endif |
567 | |
772 | |
568 | ev_tstamp inline_size |
773 | inline_size ev_tstamp |
569 | get_clock (void) |
774 | get_clock (void) |
570 | { |
775 | { |
571 | #if EV_USE_MONOTONIC |
776 | #if EV_USE_MONOTONIC |
572 | if (expect_true (have_monotonic)) |
777 | if (expect_true (have_monotonic)) |
573 | { |
778 | { |
… | |
… | |
594 | if (delay > 0.) |
799 | if (delay > 0.) |
595 | { |
800 | { |
596 | #if EV_USE_NANOSLEEP |
801 | #if EV_USE_NANOSLEEP |
597 | struct timespec ts; |
802 | struct timespec ts; |
598 | |
803 | |
599 | ts.tv_sec = (time_t)delay; |
804 | EV_TS_SET (ts, delay); |
600 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
601 | |
|
|
602 | nanosleep (&ts, 0); |
805 | nanosleep (&ts, 0); |
603 | #elif defined(_WIN32) |
806 | #elif defined(_WIN32) |
604 | Sleep ((unsigned long)(delay * 1e3)); |
807 | Sleep ((unsigned long)(delay * 1e3)); |
605 | #else |
808 | #else |
606 | struct timeval tv; |
809 | struct timeval tv; |
607 | |
810 | |
608 | tv.tv_sec = (time_t)delay; |
|
|
609 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
610 | |
|
|
611 | /* 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 */ |
612 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
812 | /* something not guaranteed by newer posix versions, but guaranteed */ |
613 | /* by older ones */ |
813 | /* by older ones */ |
|
|
814 | EV_TV_SET (tv, delay); |
614 | select (0, 0, 0, 0, &tv); |
815 | select (0, 0, 0, 0, &tv); |
615 | #endif |
816 | #endif |
616 | } |
817 | } |
617 | } |
818 | } |
618 | |
819 | |
619 | /*****************************************************************************/ |
820 | /*****************************************************************************/ |
620 | |
821 | |
621 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
822 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
622 | |
823 | |
623 | int inline_size |
824 | /* find a suitable new size for the given array, */ |
|
|
825 | /* hopefully by rounding to a nice-to-malloc size */ |
|
|
826 | inline_size int |
624 | array_nextsize (int elem, int cur, int cnt) |
827 | array_nextsize (int elem, int cur, int cnt) |
625 | { |
828 | { |
626 | int ncur = cur + 1; |
829 | int ncur = cur + 1; |
627 | |
830 | |
628 | do |
831 | do |
… | |
… | |
669 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
872 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
670 | } |
873 | } |
671 | #endif |
874 | #endif |
672 | |
875 | |
673 | #define array_free(stem, idx) \ |
876 | #define array_free(stem, idx) \ |
674 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
877 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
675 | |
878 | |
676 | /*****************************************************************************/ |
879 | /*****************************************************************************/ |
|
|
880 | |
|
|
881 | /* dummy callback for pending events */ |
|
|
882 | static void noinline |
|
|
883 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
884 | { |
|
|
885 | } |
677 | |
886 | |
678 | void noinline |
887 | void noinline |
679 | ev_feed_event (EV_P_ void *w, int revents) |
888 | ev_feed_event (EV_P_ void *w, int revents) |
680 | { |
889 | { |
681 | W w_ = (W)w; |
890 | W w_ = (W)w; |
… | |
… | |
690 | pendings [pri][w_->pending - 1].w = w_; |
899 | pendings [pri][w_->pending - 1].w = w_; |
691 | pendings [pri][w_->pending - 1].events = revents; |
900 | pendings [pri][w_->pending - 1].events = revents; |
692 | } |
901 | } |
693 | } |
902 | } |
694 | |
903 | |
695 | void inline_speed |
904 | inline_speed void |
|
|
905 | feed_reverse (EV_P_ W w) |
|
|
906 | { |
|
|
907 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
908 | rfeeds [rfeedcnt++] = w; |
|
|
909 | } |
|
|
910 | |
|
|
911 | inline_size void |
|
|
912 | feed_reverse_done (EV_P_ int revents) |
|
|
913 | { |
|
|
914 | do |
|
|
915 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
916 | while (rfeedcnt); |
|
|
917 | } |
|
|
918 | |
|
|
919 | inline_speed void |
696 | queue_events (EV_P_ W *events, int eventcnt, int type) |
920 | queue_events (EV_P_ W *events, int eventcnt, int type) |
697 | { |
921 | { |
698 | int i; |
922 | int i; |
699 | |
923 | |
700 | for (i = 0; i < eventcnt; ++i) |
924 | for (i = 0; i < eventcnt; ++i) |
701 | ev_feed_event (EV_A_ events [i], type); |
925 | ev_feed_event (EV_A_ events [i], type); |
702 | } |
926 | } |
703 | |
927 | |
704 | /*****************************************************************************/ |
928 | /*****************************************************************************/ |
705 | |
929 | |
706 | void inline_speed |
930 | inline_speed void |
707 | fd_event (EV_P_ int fd, int revents) |
931 | fd_event_nocheck (EV_P_ int fd, int revents) |
708 | { |
932 | { |
709 | ANFD *anfd = anfds + fd; |
933 | ANFD *anfd = anfds + fd; |
710 | ev_io *w; |
934 | ev_io *w; |
711 | |
935 | |
712 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
936 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
716 | if (ev) |
940 | if (ev) |
717 | ev_feed_event (EV_A_ (W)w, ev); |
941 | ev_feed_event (EV_A_ (W)w, ev); |
718 | } |
942 | } |
719 | } |
943 | } |
720 | |
944 | |
|
|
945 | /* do not submit kernel events for fds that have reify set */ |
|
|
946 | /* because that means they changed while we were polling for new events */ |
|
|
947 | inline_speed void |
|
|
948 | fd_event (EV_P_ int fd, int revents) |
|
|
949 | { |
|
|
950 | ANFD *anfd = anfds + fd; |
|
|
951 | |
|
|
952 | if (expect_true (!anfd->reify)) |
|
|
953 | fd_event_nocheck (EV_A_ fd, revents); |
|
|
954 | } |
|
|
955 | |
721 | void |
956 | void |
722 | ev_feed_fd_event (EV_P_ int fd, int revents) |
957 | ev_feed_fd_event (EV_P_ int fd, int revents) |
723 | { |
958 | { |
724 | if (fd >= 0 && fd < anfdmax) |
959 | if (fd >= 0 && fd < anfdmax) |
725 | fd_event (EV_A_ fd, revents); |
960 | fd_event_nocheck (EV_A_ fd, revents); |
726 | } |
961 | } |
727 | |
962 | |
728 | void inline_size |
963 | /* make sure the external fd watch events are in-sync */ |
|
|
964 | /* with the kernel/libev internal state */ |
|
|
965 | inline_size void |
729 | fd_reify (EV_P) |
966 | fd_reify (EV_P) |
730 | { |
967 | { |
731 | int i; |
968 | int i; |
732 | |
969 | |
733 | for (i = 0; i < fdchangecnt; ++i) |
970 | for (i = 0; i < fdchangecnt; ++i) |
734 | { |
971 | { |
735 | int fd = fdchanges [i]; |
972 | int fd = fdchanges [i]; |
736 | ANFD *anfd = anfds + fd; |
973 | ANFD *anfd = anfds + fd; |
737 | ev_io *w; |
974 | ev_io *w; |
738 | |
975 | |
739 | unsigned char events = 0; |
976 | unsigned char o_events = anfd->events; |
|
|
977 | unsigned char o_reify = anfd->reify; |
740 | |
978 | |
741 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
979 | anfd->reify = 0; |
742 | events |= (unsigned char)w->events; |
|
|
743 | |
980 | |
744 | #if EV_SELECT_IS_WINSOCKET |
981 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
745 | if (events) |
982 | if (o_reify & EV__IOFDSET) |
746 | { |
983 | { |
747 | unsigned long arg; |
984 | unsigned long arg; |
748 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
749 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
985 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
750 | #else |
|
|
751 | anfd->handle = _get_osfhandle (fd); |
|
|
752 | #endif |
|
|
753 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
986 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
987 | printf ("oi %d %x\n", fd, anfd->handle);//D |
754 | } |
988 | } |
755 | #endif |
989 | #endif |
756 | |
990 | |
|
|
991 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
757 | { |
992 | { |
758 | unsigned char o_events = anfd->events; |
|
|
759 | unsigned char o_reify = anfd->reify; |
|
|
760 | |
|
|
761 | anfd->reify = 0; |
|
|
762 | anfd->events = events; |
993 | anfd->events = 0; |
763 | |
994 | |
764 | if (o_events != events || o_reify & EV_IOFDSET) |
995 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
996 | anfd->events |= (unsigned char)w->events; |
|
|
997 | |
|
|
998 | if (o_events != anfd->events) |
|
|
999 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
1000 | } |
|
|
1001 | |
|
|
1002 | if (o_reify & EV__IOFDSET) |
765 | backend_modify (EV_A_ fd, o_events, events); |
1003 | backend_modify (EV_A_ fd, o_events, anfd->events); |
766 | } |
|
|
767 | } |
1004 | } |
768 | |
1005 | |
769 | fdchangecnt = 0; |
1006 | fdchangecnt = 0; |
770 | } |
1007 | } |
771 | |
1008 | |
772 | void inline_size |
1009 | /* something about the given fd changed */ |
|
|
1010 | inline_size void |
773 | fd_change (EV_P_ int fd, int flags) |
1011 | fd_change (EV_P_ int fd, int flags) |
774 | { |
1012 | { |
775 | unsigned char reify = anfds [fd].reify; |
1013 | unsigned char reify = anfds [fd].reify; |
776 | anfds [fd].reify |= flags; |
1014 | anfds [fd].reify |= flags; |
777 | |
1015 | |
… | |
… | |
781 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
1019 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
782 | fdchanges [fdchangecnt - 1] = fd; |
1020 | fdchanges [fdchangecnt - 1] = fd; |
783 | } |
1021 | } |
784 | } |
1022 | } |
785 | |
1023 | |
786 | void inline_speed |
1024 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
1025 | inline_speed void |
787 | fd_kill (EV_P_ int fd) |
1026 | fd_kill (EV_P_ int fd) |
788 | { |
1027 | { |
789 | ev_io *w; |
1028 | ev_io *w; |
790 | |
1029 | |
791 | while ((w = (ev_io *)anfds [fd].head)) |
1030 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
793 | ev_io_stop (EV_A_ w); |
1032 | ev_io_stop (EV_A_ w); |
794 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1033 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
795 | } |
1034 | } |
796 | } |
1035 | } |
797 | |
1036 | |
798 | int inline_size |
1037 | /* check whether the given fd is actually valid, for error recovery */ |
|
|
1038 | inline_size int |
799 | fd_valid (int fd) |
1039 | fd_valid (int fd) |
800 | { |
1040 | { |
801 | #ifdef _WIN32 |
1041 | #ifdef _WIN32 |
802 | return _get_osfhandle (fd) != -1; |
1042 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
803 | #else |
1043 | #else |
804 | return fcntl (fd, F_GETFD) != -1; |
1044 | return fcntl (fd, F_GETFD) != -1; |
805 | #endif |
1045 | #endif |
806 | } |
1046 | } |
807 | |
1047 | |
… | |
… | |
825 | |
1065 | |
826 | for (fd = anfdmax; fd--; ) |
1066 | for (fd = anfdmax; fd--; ) |
827 | if (anfds [fd].events) |
1067 | if (anfds [fd].events) |
828 | { |
1068 | { |
829 | fd_kill (EV_A_ fd); |
1069 | fd_kill (EV_A_ fd); |
830 | return; |
1070 | break; |
831 | } |
1071 | } |
832 | } |
1072 | } |
833 | |
1073 | |
834 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1074 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
835 | static void noinline |
1075 | static void noinline |
… | |
… | |
840 | for (fd = 0; fd < anfdmax; ++fd) |
1080 | for (fd = 0; fd < anfdmax; ++fd) |
841 | if (anfds [fd].events) |
1081 | if (anfds [fd].events) |
842 | { |
1082 | { |
843 | anfds [fd].events = 0; |
1083 | anfds [fd].events = 0; |
844 | anfds [fd].emask = 0; |
1084 | anfds [fd].emask = 0; |
845 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
1085 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
846 | } |
1086 | } |
847 | } |
1087 | } |
848 | |
1088 | |
|
|
1089 | /* used to prepare libev internal fd's */ |
|
|
1090 | /* this is not fork-safe */ |
|
|
1091 | inline_speed void |
|
|
1092 | fd_intern (int fd) |
|
|
1093 | { |
|
|
1094 | #ifdef _WIN32 |
|
|
1095 | unsigned long arg = 1; |
|
|
1096 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1097 | #else |
|
|
1098 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1099 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1100 | #endif |
|
|
1101 | } |
|
|
1102 | |
849 | /*****************************************************************************/ |
1103 | /*****************************************************************************/ |
850 | |
1104 | |
851 | /* |
1105 | /* |
852 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1106 | * the heap functions want a real array index. array index 0 is guaranteed to not |
853 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1107 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
854 | * the branching factor of the d-tree. |
1108 | * the branching factor of the d-tree. |
855 | */ |
1109 | */ |
856 | |
1110 | |
857 | /* |
1111 | /* |
… | |
… | |
866 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
1120 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
867 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
1121 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
868 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
1122 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
869 | |
1123 | |
870 | /* away from the root */ |
1124 | /* away from the root */ |
871 | void inline_speed |
1125 | inline_speed void |
872 | downheap (ANHE *heap, int N, int k) |
1126 | downheap (ANHE *heap, int N, int k) |
873 | { |
1127 | { |
874 | ANHE he = heap [k]; |
1128 | ANHE he = heap [k]; |
875 | ANHE *E = heap + N + HEAP0; |
1129 | ANHE *E = heap + N + HEAP0; |
876 | |
1130 | |
… | |
… | |
916 | #define HEAP0 1 |
1170 | #define HEAP0 1 |
917 | #define HPARENT(k) ((k) >> 1) |
1171 | #define HPARENT(k) ((k) >> 1) |
918 | #define UPHEAP_DONE(p,k) (!(p)) |
1172 | #define UPHEAP_DONE(p,k) (!(p)) |
919 | |
1173 | |
920 | /* away from the root */ |
1174 | /* away from the root */ |
921 | void inline_speed |
1175 | inline_speed void |
922 | downheap (ANHE *heap, int N, int k) |
1176 | downheap (ANHE *heap, int N, int k) |
923 | { |
1177 | { |
924 | ANHE he = heap [k]; |
1178 | ANHE he = heap [k]; |
925 | |
1179 | |
926 | for (;;) |
1180 | for (;;) |
927 | { |
1181 | { |
928 | int c = k << 1; |
1182 | int c = k << 1; |
929 | |
1183 | |
930 | if (c > N + HEAP0 - 1) |
1184 | if (c >= N + HEAP0) |
931 | break; |
1185 | break; |
932 | |
1186 | |
933 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1187 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
934 | ? 1 : 0; |
1188 | ? 1 : 0; |
935 | |
1189 | |
… | |
… | |
946 | ev_active (ANHE_w (he)) = k; |
1200 | ev_active (ANHE_w (he)) = k; |
947 | } |
1201 | } |
948 | #endif |
1202 | #endif |
949 | |
1203 | |
950 | /* towards the root */ |
1204 | /* towards the root */ |
951 | void inline_speed |
1205 | inline_speed void |
952 | upheap (ANHE *heap, int k) |
1206 | upheap (ANHE *heap, int k) |
953 | { |
1207 | { |
954 | ANHE he = heap [k]; |
1208 | ANHE he = heap [k]; |
955 | |
1209 | |
956 | for (;;) |
1210 | for (;;) |
… | |
… | |
967 | |
1221 | |
968 | heap [k] = he; |
1222 | heap [k] = he; |
969 | ev_active (ANHE_w (he)) = k; |
1223 | ev_active (ANHE_w (he)) = k; |
970 | } |
1224 | } |
971 | |
1225 | |
972 | void inline_size |
1226 | /* move an element suitably so it is in a correct place */ |
|
|
1227 | inline_size void |
973 | adjustheap (ANHE *heap, int N, int k) |
1228 | adjustheap (ANHE *heap, int N, int k) |
974 | { |
1229 | { |
975 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1230 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
976 | upheap (heap, k); |
1231 | upheap (heap, k); |
977 | else |
1232 | else |
978 | downheap (heap, N, k); |
1233 | downheap (heap, N, k); |
979 | } |
1234 | } |
980 | |
1235 | |
981 | /* rebuild the heap: this function is used only once and executed rarely */ |
1236 | /* rebuild the heap: this function is used only once and executed rarely */ |
982 | void inline_size |
1237 | inline_size void |
983 | reheap (ANHE *heap, int N) |
1238 | reheap (ANHE *heap, int N) |
984 | { |
1239 | { |
985 | int i; |
1240 | int i; |
986 | |
1241 | |
987 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
1242 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
… | |
… | |
990 | upheap (heap, i + HEAP0); |
1245 | upheap (heap, i + HEAP0); |
991 | } |
1246 | } |
992 | |
1247 | |
993 | /*****************************************************************************/ |
1248 | /*****************************************************************************/ |
994 | |
1249 | |
|
|
1250 | /* associate signal watchers to a signal signal */ |
995 | typedef struct |
1251 | typedef struct |
996 | { |
1252 | { |
|
|
1253 | EV_ATOMIC_T pending; |
|
|
1254 | #if EV_MULTIPLICITY |
|
|
1255 | EV_P; |
|
|
1256 | #endif |
997 | WL head; |
1257 | WL head; |
998 | EV_ATOMIC_T gotsig; |
|
|
999 | } ANSIG; |
1258 | } ANSIG; |
1000 | |
1259 | |
1001 | static ANSIG *signals; |
1260 | static ANSIG signals [EV_NSIG - 1]; |
1002 | static int signalmax; |
|
|
1003 | |
|
|
1004 | static EV_ATOMIC_T gotsig; |
|
|
1005 | |
1261 | |
1006 | /*****************************************************************************/ |
1262 | /*****************************************************************************/ |
1007 | |
1263 | |
1008 | void inline_speed |
1264 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1009 | fd_intern (int fd) |
|
|
1010 | { |
|
|
1011 | #ifdef _WIN32 |
|
|
1012 | unsigned long arg = 1; |
|
|
1013 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1014 | #else |
|
|
1015 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1016 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1017 | #endif |
|
|
1018 | } |
|
|
1019 | |
1265 | |
1020 | static void noinline |
1266 | static void noinline |
1021 | evpipe_init (EV_P) |
1267 | evpipe_init (EV_P) |
1022 | { |
1268 | { |
1023 | if (!ev_is_active (&pipeev)) |
1269 | if (!ev_is_active (&pipe_w)) |
1024 | { |
1270 | { |
1025 | #if EV_USE_EVENTFD |
1271 | # if EV_USE_EVENTFD |
|
|
1272 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1273 | if (evfd < 0 && errno == EINVAL) |
1026 | if ((evfd = eventfd (0, 0)) >= 0) |
1274 | evfd = eventfd (0, 0); |
|
|
1275 | |
|
|
1276 | if (evfd >= 0) |
1027 | { |
1277 | { |
1028 | evpipe [0] = -1; |
1278 | evpipe [0] = -1; |
1029 | fd_intern (evfd); |
1279 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1030 | ev_io_set (&pipeev, evfd, EV_READ); |
1280 | ev_io_set (&pipe_w, evfd, EV_READ); |
1031 | } |
1281 | } |
1032 | else |
1282 | else |
1033 | #endif |
1283 | # endif |
1034 | { |
1284 | { |
1035 | while (pipe (evpipe)) |
1285 | while (pipe (evpipe)) |
1036 | ev_syserr ("(libev) error creating signal/async pipe"); |
1286 | ev_syserr ("(libev) error creating signal/async pipe"); |
1037 | |
1287 | |
1038 | fd_intern (evpipe [0]); |
1288 | fd_intern (evpipe [0]); |
1039 | fd_intern (evpipe [1]); |
1289 | fd_intern (evpipe [1]); |
1040 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1290 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
1041 | } |
1291 | } |
1042 | |
1292 | |
1043 | ev_io_start (EV_A_ &pipeev); |
1293 | ev_io_start (EV_A_ &pipe_w); |
1044 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1294 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1045 | } |
1295 | } |
1046 | } |
1296 | } |
1047 | |
1297 | |
1048 | void inline_size |
1298 | inline_size void |
1049 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1299 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1050 | { |
1300 | { |
1051 | if (!*flag) |
1301 | if (!*flag) |
1052 | { |
1302 | { |
1053 | int old_errno = errno; /* save errno because write might clobber it */ |
1303 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1304 | char dummy; |
1054 | |
1305 | |
1055 | *flag = 1; |
1306 | *flag = 1; |
1056 | |
1307 | |
1057 | #if EV_USE_EVENTFD |
1308 | #if EV_USE_EVENTFD |
1058 | if (evfd >= 0) |
1309 | if (evfd >= 0) |
… | |
… | |
1060 | uint64_t counter = 1; |
1311 | uint64_t counter = 1; |
1061 | write (evfd, &counter, sizeof (uint64_t)); |
1312 | write (evfd, &counter, sizeof (uint64_t)); |
1062 | } |
1313 | } |
1063 | else |
1314 | else |
1064 | #endif |
1315 | #endif |
|
|
1316 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1317 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1318 | /* so when you think this write should be a send instead, please find out */ |
|
|
1319 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1320 | /* tell me. thank you. */ |
1065 | write (evpipe [1], &old_errno, 1); |
1321 | write (evpipe [1], &dummy, 1); |
1066 | |
1322 | |
1067 | errno = old_errno; |
1323 | errno = old_errno; |
1068 | } |
1324 | } |
1069 | } |
1325 | } |
1070 | |
1326 | |
|
|
1327 | /* called whenever the libev signal pipe */ |
|
|
1328 | /* got some events (signal, async) */ |
1071 | static void |
1329 | static void |
1072 | pipecb (EV_P_ ev_io *iow, int revents) |
1330 | pipecb (EV_P_ ev_io *iow, int revents) |
1073 | { |
1331 | { |
|
|
1332 | int i; |
|
|
1333 | |
1074 | #if EV_USE_EVENTFD |
1334 | #if EV_USE_EVENTFD |
1075 | if (evfd >= 0) |
1335 | if (evfd >= 0) |
1076 | { |
1336 | { |
1077 | uint64_t counter; |
1337 | uint64_t counter; |
1078 | read (evfd, &counter, sizeof (uint64_t)); |
1338 | read (evfd, &counter, sizeof (uint64_t)); |
1079 | } |
1339 | } |
1080 | else |
1340 | else |
1081 | #endif |
1341 | #endif |
1082 | { |
1342 | { |
1083 | char dummy; |
1343 | char dummy; |
|
|
1344 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1084 | read (evpipe [0], &dummy, 1); |
1345 | read (evpipe [0], &dummy, 1); |
1085 | } |
1346 | } |
1086 | |
1347 | |
1087 | if (gotsig && ev_is_default_loop (EV_A)) |
1348 | if (sig_pending) |
1088 | { |
1349 | { |
1089 | int signum; |
1350 | sig_pending = 0; |
1090 | gotsig = 0; |
|
|
1091 | |
1351 | |
1092 | for (signum = signalmax; signum--; ) |
1352 | for (i = EV_NSIG - 1; i--; ) |
1093 | if (signals [signum].gotsig) |
1353 | if (expect_false (signals [i].pending)) |
1094 | ev_feed_signal_event (EV_A_ signum + 1); |
1354 | ev_feed_signal_event (EV_A_ i + 1); |
1095 | } |
1355 | } |
1096 | |
1356 | |
1097 | #if EV_ASYNC_ENABLE |
1357 | #if EV_ASYNC_ENABLE |
1098 | if (gotasync) |
1358 | if (async_pending) |
1099 | { |
1359 | { |
1100 | int i; |
1360 | async_pending = 0; |
1101 | gotasync = 0; |
|
|
1102 | |
1361 | |
1103 | for (i = asynccnt; i--; ) |
1362 | for (i = asynccnt; i--; ) |
1104 | if (asyncs [i]->sent) |
1363 | if (asyncs [i]->sent) |
1105 | { |
1364 | { |
1106 | asyncs [i]->sent = 0; |
1365 | asyncs [i]->sent = 0; |
… | |
… | |
1114 | |
1373 | |
1115 | static void |
1374 | static void |
1116 | ev_sighandler (int signum) |
1375 | ev_sighandler (int signum) |
1117 | { |
1376 | { |
1118 | #if EV_MULTIPLICITY |
1377 | #if EV_MULTIPLICITY |
1119 | struct ev_loop *loop = &default_loop_struct; |
1378 | EV_P = signals [signum - 1].loop; |
1120 | #endif |
1379 | #endif |
1121 | |
1380 | |
1122 | #if _WIN32 |
1381 | #ifdef _WIN32 |
1123 | signal (signum, ev_sighandler); |
1382 | signal (signum, ev_sighandler); |
1124 | #endif |
1383 | #endif |
1125 | |
1384 | |
1126 | signals [signum - 1].gotsig = 1; |
1385 | signals [signum - 1].pending = 1; |
1127 | evpipe_write (EV_A_ &gotsig); |
1386 | evpipe_write (EV_A_ &sig_pending); |
1128 | } |
1387 | } |
1129 | |
1388 | |
1130 | void noinline |
1389 | void noinline |
1131 | ev_feed_signal_event (EV_P_ int signum) |
1390 | ev_feed_signal_event (EV_P_ int signum) |
1132 | { |
1391 | { |
1133 | WL w; |
1392 | WL w; |
1134 | |
1393 | |
|
|
1394 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1395 | return; |
|
|
1396 | |
|
|
1397 | --signum; |
|
|
1398 | |
1135 | #if EV_MULTIPLICITY |
1399 | #if EV_MULTIPLICITY |
1136 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1400 | /* it is permissible to try to feed a signal to the wrong loop */ |
1137 | #endif |
1401 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1138 | |
1402 | |
1139 | --signum; |
1403 | if (expect_false (signals [signum].loop != EV_A)) |
1140 | |
|
|
1141 | if (signum < 0 || signum >= signalmax) |
|
|
1142 | return; |
1404 | return; |
|
|
1405 | #endif |
1143 | |
1406 | |
1144 | signals [signum].gotsig = 0; |
1407 | signals [signum].pending = 0; |
1145 | |
1408 | |
1146 | for (w = signals [signum].head; w; w = w->next) |
1409 | for (w = signals [signum].head; w; w = w->next) |
1147 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1410 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1148 | } |
1411 | } |
1149 | |
1412 | |
|
|
1413 | #if EV_USE_SIGNALFD |
|
|
1414 | static void |
|
|
1415 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1416 | { |
|
|
1417 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1418 | |
|
|
1419 | for (;;) |
|
|
1420 | { |
|
|
1421 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1422 | |
|
|
1423 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1424 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1425 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1426 | |
|
|
1427 | if (res < (ssize_t)sizeof (si)) |
|
|
1428 | break; |
|
|
1429 | } |
|
|
1430 | } |
|
|
1431 | #endif |
|
|
1432 | |
|
|
1433 | #endif |
|
|
1434 | |
1150 | /*****************************************************************************/ |
1435 | /*****************************************************************************/ |
1151 | |
1436 | |
|
|
1437 | #if EV_CHILD_ENABLE |
1152 | static WL childs [EV_PID_HASHSIZE]; |
1438 | static WL childs [EV_PID_HASHSIZE]; |
1153 | |
|
|
1154 | #ifndef _WIN32 |
|
|
1155 | |
1439 | |
1156 | static ev_signal childev; |
1440 | static ev_signal childev; |
1157 | |
1441 | |
1158 | #ifndef WIFCONTINUED |
1442 | #ifndef WIFCONTINUED |
1159 | # define WIFCONTINUED(status) 0 |
1443 | # define WIFCONTINUED(status) 0 |
1160 | #endif |
1444 | #endif |
1161 | |
1445 | |
1162 | void inline_speed |
1446 | /* handle a single child status event */ |
|
|
1447 | inline_speed void |
1163 | child_reap (EV_P_ int chain, int pid, int status) |
1448 | child_reap (EV_P_ int chain, int pid, int status) |
1164 | { |
1449 | { |
1165 | ev_child *w; |
1450 | ev_child *w; |
1166 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1451 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1167 | |
1452 | |
1168 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1453 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1169 | { |
1454 | { |
1170 | if ((w->pid == pid || !w->pid) |
1455 | if ((w->pid == pid || !w->pid) |
1171 | && (!traced || (w->flags & 1))) |
1456 | && (!traced || (w->flags & 1))) |
1172 | { |
1457 | { |
1173 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1458 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1180 | |
1465 | |
1181 | #ifndef WCONTINUED |
1466 | #ifndef WCONTINUED |
1182 | # define WCONTINUED 0 |
1467 | # define WCONTINUED 0 |
1183 | #endif |
1468 | #endif |
1184 | |
1469 | |
|
|
1470 | /* called on sigchld etc., calls waitpid */ |
1185 | static void |
1471 | static void |
1186 | childcb (EV_P_ ev_signal *sw, int revents) |
1472 | childcb (EV_P_ ev_signal *sw, int revents) |
1187 | { |
1473 | { |
1188 | int pid, status; |
1474 | int pid, status; |
1189 | |
1475 | |
… | |
… | |
1197 | /* make sure we are called again until all children have been reaped */ |
1483 | /* make sure we are called again until all children have been reaped */ |
1198 | /* we need to do it this way so that the callback gets called before we continue */ |
1484 | /* we need to do it this way so that the callback gets called before we continue */ |
1199 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1485 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1200 | |
1486 | |
1201 | child_reap (EV_A_ pid, pid, status); |
1487 | child_reap (EV_A_ pid, pid, status); |
1202 | if (EV_PID_HASHSIZE > 1) |
1488 | if ((EV_PID_HASHSIZE) > 1) |
1203 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1489 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1204 | } |
1490 | } |
1205 | |
1491 | |
1206 | #endif |
1492 | #endif |
1207 | |
1493 | |
1208 | /*****************************************************************************/ |
1494 | /*****************************************************************************/ |
1209 | |
1495 | |
|
|
1496 | #if EV_USE_IOCP |
|
|
1497 | # include "ev_iocp.c" |
|
|
1498 | #endif |
1210 | #if EV_USE_PORT |
1499 | #if EV_USE_PORT |
1211 | # include "ev_port.c" |
1500 | # include "ev_port.c" |
1212 | #endif |
1501 | #endif |
1213 | #if EV_USE_KQUEUE |
1502 | #if EV_USE_KQUEUE |
1214 | # include "ev_kqueue.c" |
1503 | # include "ev_kqueue.c" |
… | |
… | |
1274 | #ifdef __APPLE__ |
1563 | #ifdef __APPLE__ |
1275 | /* only select works correctly on that "unix-certified" platform */ |
1564 | /* only select works correctly on that "unix-certified" platform */ |
1276 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1565 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1277 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1566 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1278 | #endif |
1567 | #endif |
|
|
1568 | #ifdef __FreeBSD__ |
|
|
1569 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1570 | #endif |
1279 | |
1571 | |
1280 | return flags; |
1572 | return flags; |
1281 | } |
1573 | } |
1282 | |
1574 | |
1283 | unsigned int |
1575 | unsigned int |
1284 | ev_embeddable_backends (void) |
1576 | ev_embeddable_backends (void) |
1285 | { |
1577 | { |
1286 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1578 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1287 | |
1579 | |
1288 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1580 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1289 | /* please fix it and tell me how to detect the fix */ |
1581 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1290 | flags &= ~EVBACKEND_EPOLL; |
1582 | flags &= ~EVBACKEND_EPOLL; |
1291 | |
1583 | |
1292 | return flags; |
1584 | return flags; |
1293 | } |
1585 | } |
1294 | |
1586 | |
1295 | unsigned int |
1587 | unsigned int |
1296 | ev_backend (EV_P) |
1588 | ev_backend (EV_P) |
1297 | { |
1589 | { |
1298 | return backend; |
1590 | return backend; |
1299 | } |
1591 | } |
1300 | |
1592 | |
|
|
1593 | #if EV_FEATURE_API |
1301 | unsigned int |
1594 | unsigned int |
1302 | ev_loop_count (EV_P) |
1595 | ev_iteration (EV_P) |
1303 | { |
1596 | { |
1304 | return loop_count; |
1597 | return loop_count; |
1305 | } |
1598 | } |
1306 | |
1599 | |
|
|
1600 | unsigned int |
|
|
1601 | ev_depth (EV_P) |
|
|
1602 | { |
|
|
1603 | return loop_depth; |
|
|
1604 | } |
|
|
1605 | |
1307 | void |
1606 | void |
1308 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1607 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1309 | { |
1608 | { |
1310 | io_blocktime = interval; |
1609 | io_blocktime = interval; |
1311 | } |
1610 | } |
… | |
… | |
1314 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1613 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1315 | { |
1614 | { |
1316 | timeout_blocktime = interval; |
1615 | timeout_blocktime = interval; |
1317 | } |
1616 | } |
1318 | |
1617 | |
|
|
1618 | void |
|
|
1619 | ev_set_userdata (EV_P_ void *data) |
|
|
1620 | { |
|
|
1621 | userdata = data; |
|
|
1622 | } |
|
|
1623 | |
|
|
1624 | void * |
|
|
1625 | ev_userdata (EV_P) |
|
|
1626 | { |
|
|
1627 | return userdata; |
|
|
1628 | } |
|
|
1629 | |
|
|
1630 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
1631 | { |
|
|
1632 | invoke_cb = invoke_pending_cb; |
|
|
1633 | } |
|
|
1634 | |
|
|
1635 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
|
|
1636 | { |
|
|
1637 | release_cb = release; |
|
|
1638 | acquire_cb = acquire; |
|
|
1639 | } |
|
|
1640 | #endif |
|
|
1641 | |
|
|
1642 | /* initialise a loop structure, must be zero-initialised */ |
1319 | static void noinline |
1643 | static void noinline |
1320 | loop_init (EV_P_ unsigned int flags) |
1644 | loop_init (EV_P_ unsigned int flags) |
1321 | { |
1645 | { |
1322 | if (!backend) |
1646 | if (!backend) |
1323 | { |
1647 | { |
|
|
1648 | #if EV_USE_REALTIME |
|
|
1649 | if (!have_realtime) |
|
|
1650 | { |
|
|
1651 | struct timespec ts; |
|
|
1652 | |
|
|
1653 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1654 | have_realtime = 1; |
|
|
1655 | } |
|
|
1656 | #endif |
|
|
1657 | |
1324 | #if EV_USE_MONOTONIC |
1658 | #if EV_USE_MONOTONIC |
|
|
1659 | if (!have_monotonic) |
1325 | { |
1660 | { |
1326 | struct timespec ts; |
1661 | struct timespec ts; |
|
|
1662 | |
1327 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1663 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1328 | have_monotonic = 1; |
1664 | have_monotonic = 1; |
1329 | } |
1665 | } |
1330 | #endif |
1666 | #endif |
|
|
1667 | |
|
|
1668 | /* pid check not overridable via env */ |
|
|
1669 | #ifndef _WIN32 |
|
|
1670 | if (flags & EVFLAG_FORKCHECK) |
|
|
1671 | curpid = getpid (); |
|
|
1672 | #endif |
|
|
1673 | |
|
|
1674 | if (!(flags & EVFLAG_NOENV) |
|
|
1675 | && !enable_secure () |
|
|
1676 | && getenv ("LIBEV_FLAGS")) |
|
|
1677 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1331 | |
1678 | |
1332 | ev_rt_now = ev_time (); |
1679 | ev_rt_now = ev_time (); |
1333 | mn_now = get_clock (); |
1680 | mn_now = get_clock (); |
1334 | now_floor = mn_now; |
1681 | now_floor = mn_now; |
1335 | rtmn_diff = ev_rt_now - mn_now; |
1682 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1683 | #if EV_FEATURE_API |
|
|
1684 | invoke_cb = ev_invoke_pending; |
|
|
1685 | #endif |
1336 | |
1686 | |
1337 | io_blocktime = 0.; |
1687 | io_blocktime = 0.; |
1338 | timeout_blocktime = 0.; |
1688 | timeout_blocktime = 0.; |
1339 | backend = 0; |
1689 | backend = 0; |
1340 | backend_fd = -1; |
1690 | backend_fd = -1; |
1341 | gotasync = 0; |
1691 | sig_pending = 0; |
|
|
1692 | #if EV_ASYNC_ENABLE |
|
|
1693 | async_pending = 0; |
|
|
1694 | #endif |
1342 | #if EV_USE_INOTIFY |
1695 | #if EV_USE_INOTIFY |
1343 | fs_fd = -2; |
1696 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1344 | #endif |
1697 | #endif |
1345 | |
1698 | #if EV_USE_SIGNALFD |
1346 | /* pid check not overridable via env */ |
1699 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1347 | #ifndef _WIN32 |
|
|
1348 | if (flags & EVFLAG_FORKCHECK) |
|
|
1349 | curpid = getpid (); |
|
|
1350 | #endif |
1700 | #endif |
1351 | |
|
|
1352 | if (!(flags & EVFLAG_NOENV) |
|
|
1353 | && !enable_secure () |
|
|
1354 | && getenv ("LIBEV_FLAGS")) |
|
|
1355 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1356 | |
1701 | |
1357 | if (!(flags & 0x0000ffffU)) |
1702 | if (!(flags & 0x0000ffffU)) |
1358 | flags |= ev_recommended_backends (); |
1703 | flags |= ev_recommended_backends (); |
1359 | |
1704 | |
|
|
1705 | #if EV_USE_IOCP |
|
|
1706 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1707 | #endif |
1360 | #if EV_USE_PORT |
1708 | #if EV_USE_PORT |
1361 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1709 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1362 | #endif |
1710 | #endif |
1363 | #if EV_USE_KQUEUE |
1711 | #if EV_USE_KQUEUE |
1364 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1712 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1371 | #endif |
1719 | #endif |
1372 | #if EV_USE_SELECT |
1720 | #if EV_USE_SELECT |
1373 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1721 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1374 | #endif |
1722 | #endif |
1375 | |
1723 | |
|
|
1724 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1725 | |
|
|
1726 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1376 | ev_init (&pipeev, pipecb); |
1727 | ev_init (&pipe_w, pipecb); |
1377 | ev_set_priority (&pipeev, EV_MAXPRI); |
1728 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1729 | #endif |
1378 | } |
1730 | } |
1379 | } |
1731 | } |
1380 | |
1732 | |
1381 | static void noinline |
1733 | /* free up a loop structure */ |
|
|
1734 | void |
1382 | loop_destroy (EV_P) |
1735 | ev_loop_destroy (EV_P) |
1383 | { |
1736 | { |
1384 | int i; |
1737 | int i; |
1385 | |
1738 | |
|
|
1739 | #if EV_MULTIPLICITY |
|
|
1740 | /* mimic free (0) */ |
|
|
1741 | if (!EV_A) |
|
|
1742 | return; |
|
|
1743 | #endif |
|
|
1744 | |
|
|
1745 | #if EV_CLEANUP_ENABLE |
|
|
1746 | /* queue cleanup watchers (and execute them) */ |
|
|
1747 | if (expect_false (cleanupcnt)) |
|
|
1748 | { |
|
|
1749 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1750 | EV_INVOKE_PENDING; |
|
|
1751 | } |
|
|
1752 | #endif |
|
|
1753 | |
|
|
1754 | #if EV_CHILD_ENABLE |
|
|
1755 | if (ev_is_active (&childev)) |
|
|
1756 | { |
|
|
1757 | ev_ref (EV_A); /* child watcher */ |
|
|
1758 | ev_signal_stop (EV_A_ &childev); |
|
|
1759 | } |
|
|
1760 | #endif |
|
|
1761 | |
1386 | if (ev_is_active (&pipeev)) |
1762 | if (ev_is_active (&pipe_w)) |
1387 | { |
1763 | { |
1388 | ev_ref (EV_A); /* signal watcher */ |
1764 | /*ev_ref (EV_A);*/ |
1389 | ev_io_stop (EV_A_ &pipeev); |
1765 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1390 | |
1766 | |
1391 | #if EV_USE_EVENTFD |
1767 | #if EV_USE_EVENTFD |
1392 | if (evfd >= 0) |
1768 | if (evfd >= 0) |
1393 | close (evfd); |
1769 | close (evfd); |
1394 | #endif |
1770 | #endif |
1395 | |
1771 | |
1396 | if (evpipe [0] >= 0) |
1772 | if (evpipe [0] >= 0) |
1397 | { |
1773 | { |
1398 | close (evpipe [0]); |
1774 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1399 | close (evpipe [1]); |
1775 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1400 | } |
1776 | } |
1401 | } |
1777 | } |
|
|
1778 | |
|
|
1779 | #if EV_USE_SIGNALFD |
|
|
1780 | if (ev_is_active (&sigfd_w)) |
|
|
1781 | close (sigfd); |
|
|
1782 | #endif |
1402 | |
1783 | |
1403 | #if EV_USE_INOTIFY |
1784 | #if EV_USE_INOTIFY |
1404 | if (fs_fd >= 0) |
1785 | if (fs_fd >= 0) |
1405 | close (fs_fd); |
1786 | close (fs_fd); |
1406 | #endif |
1787 | #endif |
1407 | |
1788 | |
1408 | if (backend_fd >= 0) |
1789 | if (backend_fd >= 0) |
1409 | close (backend_fd); |
1790 | close (backend_fd); |
1410 | |
1791 | |
|
|
1792 | #if EV_USE_IOCP |
|
|
1793 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1794 | #endif |
1411 | #if EV_USE_PORT |
1795 | #if EV_USE_PORT |
1412 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1796 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1413 | #endif |
1797 | #endif |
1414 | #if EV_USE_KQUEUE |
1798 | #if EV_USE_KQUEUE |
1415 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1799 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1430 | #if EV_IDLE_ENABLE |
1814 | #if EV_IDLE_ENABLE |
1431 | array_free (idle, [i]); |
1815 | array_free (idle, [i]); |
1432 | #endif |
1816 | #endif |
1433 | } |
1817 | } |
1434 | |
1818 | |
1435 | ev_free (anfds); anfdmax = 0; |
1819 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1436 | |
1820 | |
1437 | /* have to use the microsoft-never-gets-it-right macro */ |
1821 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1822 | array_free (rfeed, EMPTY); |
1438 | array_free (fdchange, EMPTY); |
1823 | array_free (fdchange, EMPTY); |
1439 | array_free (timer, EMPTY); |
1824 | array_free (timer, EMPTY); |
1440 | #if EV_PERIODIC_ENABLE |
1825 | #if EV_PERIODIC_ENABLE |
1441 | array_free (periodic, EMPTY); |
1826 | array_free (periodic, EMPTY); |
1442 | #endif |
1827 | #endif |
1443 | #if EV_FORK_ENABLE |
1828 | #if EV_FORK_ENABLE |
1444 | array_free (fork, EMPTY); |
1829 | array_free (fork, EMPTY); |
1445 | #endif |
1830 | #endif |
|
|
1831 | #if EV_CLEANUP_ENABLE |
|
|
1832 | array_free (cleanup, EMPTY); |
|
|
1833 | #endif |
1446 | array_free (prepare, EMPTY); |
1834 | array_free (prepare, EMPTY); |
1447 | array_free (check, EMPTY); |
1835 | array_free (check, EMPTY); |
1448 | #if EV_ASYNC_ENABLE |
1836 | #if EV_ASYNC_ENABLE |
1449 | array_free (async, EMPTY); |
1837 | array_free (async, EMPTY); |
1450 | #endif |
1838 | #endif |
1451 | |
1839 | |
1452 | backend = 0; |
1840 | backend = 0; |
|
|
1841 | |
|
|
1842 | #if EV_MULTIPLICITY |
|
|
1843 | if (ev_is_default_loop (EV_A)) |
|
|
1844 | #endif |
|
|
1845 | ev_default_loop_ptr = 0; |
|
|
1846 | #if EV_MULTIPLICITY |
|
|
1847 | else |
|
|
1848 | ev_free (EV_A); |
|
|
1849 | #endif |
1453 | } |
1850 | } |
1454 | |
1851 | |
1455 | #if EV_USE_INOTIFY |
1852 | #if EV_USE_INOTIFY |
1456 | void inline_size infy_fork (EV_P); |
1853 | inline_size void infy_fork (EV_P); |
1457 | #endif |
1854 | #endif |
1458 | |
1855 | |
1459 | void inline_size |
1856 | inline_size void |
1460 | loop_fork (EV_P) |
1857 | loop_fork (EV_P) |
1461 | { |
1858 | { |
1462 | #if EV_USE_PORT |
1859 | #if EV_USE_PORT |
1463 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1860 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1464 | #endif |
1861 | #endif |
… | |
… | |
1470 | #endif |
1867 | #endif |
1471 | #if EV_USE_INOTIFY |
1868 | #if EV_USE_INOTIFY |
1472 | infy_fork (EV_A); |
1869 | infy_fork (EV_A); |
1473 | #endif |
1870 | #endif |
1474 | |
1871 | |
1475 | if (ev_is_active (&pipeev)) |
1872 | if (ev_is_active (&pipe_w)) |
1476 | { |
1873 | { |
1477 | /* this "locks" the handlers against writing to the pipe */ |
1874 | /* this "locks" the handlers against writing to the pipe */ |
1478 | /* while we modify the fd vars */ |
1875 | /* while we modify the fd vars */ |
1479 | gotsig = 1; |
1876 | sig_pending = 1; |
1480 | #if EV_ASYNC_ENABLE |
1877 | #if EV_ASYNC_ENABLE |
1481 | gotasync = 1; |
1878 | async_pending = 1; |
1482 | #endif |
1879 | #endif |
1483 | |
1880 | |
1484 | ev_ref (EV_A); |
1881 | ev_ref (EV_A); |
1485 | ev_io_stop (EV_A_ &pipeev); |
1882 | ev_io_stop (EV_A_ &pipe_w); |
1486 | |
1883 | |
1487 | #if EV_USE_EVENTFD |
1884 | #if EV_USE_EVENTFD |
1488 | if (evfd >= 0) |
1885 | if (evfd >= 0) |
1489 | close (evfd); |
1886 | close (evfd); |
1490 | #endif |
1887 | #endif |
1491 | |
1888 | |
1492 | if (evpipe [0] >= 0) |
1889 | if (evpipe [0] >= 0) |
1493 | { |
1890 | { |
1494 | close (evpipe [0]); |
1891 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1495 | close (evpipe [1]); |
1892 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1496 | } |
1893 | } |
1497 | |
1894 | |
|
|
1895 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1498 | evpipe_init (EV_A); |
1896 | evpipe_init (EV_A); |
1499 | /* now iterate over everything, in case we missed something */ |
1897 | /* now iterate over everything, in case we missed something */ |
1500 | pipecb (EV_A_ &pipeev, EV_READ); |
1898 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1899 | #endif |
1501 | } |
1900 | } |
1502 | |
1901 | |
1503 | postfork = 0; |
1902 | postfork = 0; |
1504 | } |
1903 | } |
1505 | |
1904 | |
1506 | #if EV_MULTIPLICITY |
1905 | #if EV_MULTIPLICITY |
1507 | |
1906 | |
1508 | struct ev_loop * |
1907 | struct ev_loop * |
1509 | ev_loop_new (unsigned int flags) |
1908 | ev_loop_new (unsigned int flags) |
1510 | { |
1909 | { |
1511 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1910 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1512 | |
1911 | |
1513 | memset (loop, 0, sizeof (struct ev_loop)); |
1912 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1514 | |
|
|
1515 | loop_init (EV_A_ flags); |
1913 | loop_init (EV_A_ flags); |
1516 | |
1914 | |
1517 | if (ev_backend (EV_A)) |
1915 | if (ev_backend (EV_A)) |
1518 | return loop; |
1916 | return EV_A; |
1519 | |
1917 | |
|
|
1918 | ev_free (EV_A); |
1520 | return 0; |
1919 | return 0; |
1521 | } |
1920 | } |
1522 | |
1921 | |
1523 | void |
1922 | #endif /* multiplicity */ |
1524 | ev_loop_destroy (EV_P) |
|
|
1525 | { |
|
|
1526 | loop_destroy (EV_A); |
|
|
1527 | ev_free (loop); |
|
|
1528 | } |
|
|
1529 | |
|
|
1530 | void |
|
|
1531 | ev_loop_fork (EV_P) |
|
|
1532 | { |
|
|
1533 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1534 | } |
|
|
1535 | |
1923 | |
1536 | #if EV_VERIFY |
1924 | #if EV_VERIFY |
1537 | static void noinline |
1925 | static void noinline |
1538 | verify_watcher (EV_P_ W w) |
1926 | verify_watcher (EV_P_ W w) |
1539 | { |
1927 | { |
… | |
… | |
1567 | verify_watcher (EV_A_ ws [cnt]); |
1955 | verify_watcher (EV_A_ ws [cnt]); |
1568 | } |
1956 | } |
1569 | } |
1957 | } |
1570 | #endif |
1958 | #endif |
1571 | |
1959 | |
|
|
1960 | #if EV_FEATURE_API |
1572 | void |
1961 | void |
1573 | ev_loop_verify (EV_P) |
1962 | ev_verify (EV_P) |
1574 | { |
1963 | { |
1575 | #if EV_VERIFY |
1964 | #if EV_VERIFY |
1576 | int i; |
1965 | int i; |
1577 | WL w; |
1966 | WL w; |
1578 | |
1967 | |
… | |
… | |
1612 | #if EV_FORK_ENABLE |
2001 | #if EV_FORK_ENABLE |
1613 | assert (forkmax >= forkcnt); |
2002 | assert (forkmax >= forkcnt); |
1614 | array_verify (EV_A_ (W *)forks, forkcnt); |
2003 | array_verify (EV_A_ (W *)forks, forkcnt); |
1615 | #endif |
2004 | #endif |
1616 | |
2005 | |
|
|
2006 | #if EV_CLEANUP_ENABLE |
|
|
2007 | assert (cleanupmax >= cleanupcnt); |
|
|
2008 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2009 | #endif |
|
|
2010 | |
1617 | #if EV_ASYNC_ENABLE |
2011 | #if EV_ASYNC_ENABLE |
1618 | assert (asyncmax >= asynccnt); |
2012 | assert (asyncmax >= asynccnt); |
1619 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2013 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1620 | #endif |
2014 | #endif |
1621 | |
2015 | |
|
|
2016 | #if EV_PREPARE_ENABLE |
1622 | assert (preparemax >= preparecnt); |
2017 | assert (preparemax >= preparecnt); |
1623 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2018 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2019 | #endif |
1624 | |
2020 | |
|
|
2021 | #if EV_CHECK_ENABLE |
1625 | assert (checkmax >= checkcnt); |
2022 | assert (checkmax >= checkcnt); |
1626 | array_verify (EV_A_ (W *)checks, checkcnt); |
2023 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2024 | #endif |
1627 | |
2025 | |
1628 | # if 0 |
2026 | # if 0 |
|
|
2027 | #if EV_CHILD_ENABLE |
1629 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2028 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1630 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
2029 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2030 | #endif |
1631 | # endif |
2031 | # endif |
1632 | #endif |
2032 | #endif |
1633 | } |
2033 | } |
1634 | |
2034 | #endif |
1635 | #endif /* multiplicity */ |
|
|
1636 | |
2035 | |
1637 | #if EV_MULTIPLICITY |
2036 | #if EV_MULTIPLICITY |
1638 | struct ev_loop * |
2037 | struct ev_loop * |
1639 | ev_default_loop_init (unsigned int flags) |
|
|
1640 | #else |
2038 | #else |
1641 | int |
2039 | int |
|
|
2040 | #endif |
1642 | ev_default_loop (unsigned int flags) |
2041 | ev_default_loop (unsigned int flags) |
1643 | #endif |
|
|
1644 | { |
2042 | { |
1645 | if (!ev_default_loop_ptr) |
2043 | if (!ev_default_loop_ptr) |
1646 | { |
2044 | { |
1647 | #if EV_MULTIPLICITY |
2045 | #if EV_MULTIPLICITY |
1648 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
2046 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1649 | #else |
2047 | #else |
1650 | ev_default_loop_ptr = 1; |
2048 | ev_default_loop_ptr = 1; |
1651 | #endif |
2049 | #endif |
1652 | |
2050 | |
1653 | loop_init (EV_A_ flags); |
2051 | loop_init (EV_A_ flags); |
1654 | |
2052 | |
1655 | if (ev_backend (EV_A)) |
2053 | if (ev_backend (EV_A)) |
1656 | { |
2054 | { |
1657 | #ifndef _WIN32 |
2055 | #if EV_CHILD_ENABLE |
1658 | ev_signal_init (&childev, childcb, SIGCHLD); |
2056 | ev_signal_init (&childev, childcb, SIGCHLD); |
1659 | ev_set_priority (&childev, EV_MAXPRI); |
2057 | ev_set_priority (&childev, EV_MAXPRI); |
1660 | ev_signal_start (EV_A_ &childev); |
2058 | ev_signal_start (EV_A_ &childev); |
1661 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2059 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1662 | #endif |
2060 | #endif |
… | |
… | |
1667 | |
2065 | |
1668 | return ev_default_loop_ptr; |
2066 | return ev_default_loop_ptr; |
1669 | } |
2067 | } |
1670 | |
2068 | |
1671 | void |
2069 | void |
1672 | ev_default_destroy (void) |
2070 | ev_loop_fork (EV_P) |
1673 | { |
2071 | { |
1674 | #if EV_MULTIPLICITY |
|
|
1675 | struct ev_loop *loop = ev_default_loop_ptr; |
|
|
1676 | #endif |
|
|
1677 | |
|
|
1678 | ev_default_loop_ptr = 0; |
|
|
1679 | |
|
|
1680 | #ifndef _WIN32 |
|
|
1681 | ev_ref (EV_A); /* child watcher */ |
|
|
1682 | ev_signal_stop (EV_A_ &childev); |
|
|
1683 | #endif |
|
|
1684 | |
|
|
1685 | loop_destroy (EV_A); |
|
|
1686 | } |
|
|
1687 | |
|
|
1688 | void |
|
|
1689 | ev_default_fork (void) |
|
|
1690 | { |
|
|
1691 | #if EV_MULTIPLICITY |
|
|
1692 | struct ev_loop *loop = ev_default_loop_ptr; |
|
|
1693 | #endif |
|
|
1694 | |
|
|
1695 | postfork = 1; /* must be in line with ev_loop_fork */ |
2072 | postfork = 1; /* must be in line with ev_default_fork */ |
1696 | } |
2073 | } |
1697 | |
2074 | |
1698 | /*****************************************************************************/ |
2075 | /*****************************************************************************/ |
1699 | |
2076 | |
1700 | void |
2077 | void |
1701 | ev_invoke (EV_P_ void *w, int revents) |
2078 | ev_invoke (EV_P_ void *w, int revents) |
1702 | { |
2079 | { |
1703 | EV_CB_INVOKE ((W)w, revents); |
2080 | EV_CB_INVOKE ((W)w, revents); |
1704 | } |
2081 | } |
1705 | |
2082 | |
1706 | void inline_speed |
2083 | unsigned int |
1707 | call_pending (EV_P) |
2084 | ev_pending_count (EV_P) |
|
|
2085 | { |
|
|
2086 | int pri; |
|
|
2087 | unsigned int count = 0; |
|
|
2088 | |
|
|
2089 | for (pri = NUMPRI; pri--; ) |
|
|
2090 | count += pendingcnt [pri]; |
|
|
2091 | |
|
|
2092 | return count; |
|
|
2093 | } |
|
|
2094 | |
|
|
2095 | void noinline |
|
|
2096 | ev_invoke_pending (EV_P) |
1708 | { |
2097 | { |
1709 | int pri; |
2098 | int pri; |
1710 | |
2099 | |
1711 | for (pri = NUMPRI; pri--; ) |
2100 | for (pri = NUMPRI; pri--; ) |
1712 | while (pendingcnt [pri]) |
2101 | while (pendingcnt [pri]) |
1713 | { |
2102 | { |
1714 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2103 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1715 | |
2104 | |
1716 | if (expect_true (p->w)) |
|
|
1717 | { |
|
|
1718 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
2105 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2106 | /* ^ this is no longer true, as pending_w could be here */ |
1719 | |
2107 | |
1720 | p->w->pending = 0; |
2108 | p->w->pending = 0; |
1721 | EV_CB_INVOKE (p->w, p->events); |
2109 | EV_CB_INVOKE (p->w, p->events); |
1722 | EV_FREQUENT_CHECK; |
2110 | EV_FREQUENT_CHECK; |
1723 | } |
|
|
1724 | } |
2111 | } |
1725 | } |
2112 | } |
1726 | |
2113 | |
1727 | #if EV_IDLE_ENABLE |
2114 | #if EV_IDLE_ENABLE |
1728 | void inline_size |
2115 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
2116 | /* only when higher priorities are idle" logic */ |
|
|
2117 | inline_size void |
1729 | idle_reify (EV_P) |
2118 | idle_reify (EV_P) |
1730 | { |
2119 | { |
1731 | if (expect_false (idleall)) |
2120 | if (expect_false (idleall)) |
1732 | { |
2121 | { |
1733 | int pri; |
2122 | int pri; |
… | |
… | |
1745 | } |
2134 | } |
1746 | } |
2135 | } |
1747 | } |
2136 | } |
1748 | #endif |
2137 | #endif |
1749 | |
2138 | |
1750 | void inline_size |
2139 | /* make timers pending */ |
|
|
2140 | inline_size void |
1751 | timers_reify (EV_P) |
2141 | timers_reify (EV_P) |
1752 | { |
2142 | { |
1753 | EV_FREQUENT_CHECK; |
2143 | EV_FREQUENT_CHECK; |
1754 | |
2144 | |
1755 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
2145 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1756 | { |
2146 | { |
1757 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
2147 | do |
1758 | |
|
|
1759 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1760 | |
|
|
1761 | /* first reschedule or stop timer */ |
|
|
1762 | if (w->repeat) |
|
|
1763 | { |
2148 | { |
|
|
2149 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
2150 | |
|
|
2151 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
2152 | |
|
|
2153 | /* first reschedule or stop timer */ |
|
|
2154 | if (w->repeat) |
|
|
2155 | { |
1764 | ev_at (w) += w->repeat; |
2156 | ev_at (w) += w->repeat; |
1765 | if (ev_at (w) < mn_now) |
2157 | if (ev_at (w) < mn_now) |
1766 | ev_at (w) = mn_now; |
2158 | ev_at (w) = mn_now; |
1767 | |
2159 | |
1768 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
2160 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1769 | |
2161 | |
1770 | ANHE_at_cache (timers [HEAP0]); |
2162 | ANHE_at_cache (timers [HEAP0]); |
1771 | downheap (timers, timercnt, HEAP0); |
2163 | downheap (timers, timercnt, HEAP0); |
|
|
2164 | } |
|
|
2165 | else |
|
|
2166 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2167 | |
|
|
2168 | EV_FREQUENT_CHECK; |
|
|
2169 | feed_reverse (EV_A_ (W)w); |
1772 | } |
2170 | } |
1773 | else |
2171 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1774 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1775 | |
2172 | |
1776 | EV_FREQUENT_CHECK; |
2173 | feed_reverse_done (EV_A_ EV_TIMER); |
1777 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1778 | } |
2174 | } |
1779 | } |
2175 | } |
1780 | |
2176 | |
1781 | #if EV_PERIODIC_ENABLE |
2177 | #if EV_PERIODIC_ENABLE |
1782 | void inline_size |
2178 | /* make periodics pending */ |
|
|
2179 | inline_size void |
1783 | periodics_reify (EV_P) |
2180 | periodics_reify (EV_P) |
1784 | { |
2181 | { |
1785 | EV_FREQUENT_CHECK; |
2182 | EV_FREQUENT_CHECK; |
1786 | |
2183 | |
1787 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2184 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1788 | { |
2185 | { |
1789 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2186 | int feed_count = 0; |
1790 | |
2187 | |
1791 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
2188 | do |
1792 | |
|
|
1793 | /* first reschedule or stop timer */ |
|
|
1794 | if (w->reschedule_cb) |
|
|
1795 | { |
2189 | { |
|
|
2190 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
2191 | |
|
|
2192 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
2193 | |
|
|
2194 | /* first reschedule or stop timer */ |
|
|
2195 | if (w->reschedule_cb) |
|
|
2196 | { |
1796 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2197 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1797 | |
2198 | |
1798 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
2199 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1799 | |
2200 | |
1800 | ANHE_at_cache (periodics [HEAP0]); |
2201 | ANHE_at_cache (periodics [HEAP0]); |
1801 | downheap (periodics, periodiccnt, HEAP0); |
2202 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2203 | } |
|
|
2204 | else if (w->interval) |
|
|
2205 | { |
|
|
2206 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2207 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2208 | /* this might happen because of floating point inexactness */ |
|
|
2209 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2210 | { |
|
|
2211 | ev_at (w) += w->interval; |
|
|
2212 | |
|
|
2213 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2214 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2215 | /* has effectively asked to get triggered more often than possible */ |
|
|
2216 | if (ev_at (w) < ev_rt_now) |
|
|
2217 | ev_at (w) = ev_rt_now; |
|
|
2218 | } |
|
|
2219 | |
|
|
2220 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2221 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2222 | } |
|
|
2223 | else |
|
|
2224 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2225 | |
|
|
2226 | EV_FREQUENT_CHECK; |
|
|
2227 | feed_reverse (EV_A_ (W)w); |
1802 | } |
2228 | } |
1803 | else if (w->interval) |
2229 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
1804 | { |
|
|
1805 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1806 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1807 | /* this might happen because of floating point inexactness */ |
|
|
1808 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1809 | { |
|
|
1810 | ev_at (w) += w->interval; |
|
|
1811 | |
2230 | |
1812 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1813 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1814 | /* has effectively asked to get triggered more often than possible */ |
|
|
1815 | if (ev_at (w) < ev_rt_now) |
|
|
1816 | ev_at (w) = ev_rt_now; |
|
|
1817 | } |
|
|
1818 | |
|
|
1819 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1820 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1821 | } |
|
|
1822 | else |
|
|
1823 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1824 | |
|
|
1825 | EV_FREQUENT_CHECK; |
|
|
1826 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
2231 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1827 | } |
2232 | } |
1828 | } |
2233 | } |
1829 | |
2234 | |
|
|
2235 | /* simply recalculate all periodics */ |
|
|
2236 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
1830 | static void noinline |
2237 | static void noinline |
1831 | periodics_reschedule (EV_P) |
2238 | periodics_reschedule (EV_P) |
1832 | { |
2239 | { |
1833 | int i; |
2240 | int i; |
1834 | |
2241 | |
… | |
… | |
1847 | |
2254 | |
1848 | reheap (periodics, periodiccnt); |
2255 | reheap (periodics, periodiccnt); |
1849 | } |
2256 | } |
1850 | #endif |
2257 | #endif |
1851 | |
2258 | |
1852 | void inline_speed |
2259 | /* adjust all timers by a given offset */ |
|
|
2260 | static void noinline |
|
|
2261 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
2262 | { |
|
|
2263 | int i; |
|
|
2264 | |
|
|
2265 | for (i = 0; i < timercnt; ++i) |
|
|
2266 | { |
|
|
2267 | ANHE *he = timers + i + HEAP0; |
|
|
2268 | ANHE_w (*he)->at += adjust; |
|
|
2269 | ANHE_at_cache (*he); |
|
|
2270 | } |
|
|
2271 | } |
|
|
2272 | |
|
|
2273 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
2274 | /* also detect if there was a timejump, and act accordingly */ |
|
|
2275 | inline_speed void |
1853 | time_update (EV_P_ ev_tstamp max_block) |
2276 | time_update (EV_P_ ev_tstamp max_block) |
1854 | { |
2277 | { |
1855 | int i; |
|
|
1856 | |
|
|
1857 | #if EV_USE_MONOTONIC |
2278 | #if EV_USE_MONOTONIC |
1858 | if (expect_true (have_monotonic)) |
2279 | if (expect_true (have_monotonic)) |
1859 | { |
2280 | { |
|
|
2281 | int i; |
1860 | ev_tstamp odiff = rtmn_diff; |
2282 | ev_tstamp odiff = rtmn_diff; |
1861 | |
2283 | |
1862 | mn_now = get_clock (); |
2284 | mn_now = get_clock (); |
1863 | |
2285 | |
1864 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
2286 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1890 | ev_rt_now = ev_time (); |
2312 | ev_rt_now = ev_time (); |
1891 | mn_now = get_clock (); |
2313 | mn_now = get_clock (); |
1892 | now_floor = mn_now; |
2314 | now_floor = mn_now; |
1893 | } |
2315 | } |
1894 | |
2316 | |
|
|
2317 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
2318 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1895 | # if EV_PERIODIC_ENABLE |
2319 | # if EV_PERIODIC_ENABLE |
1896 | periodics_reschedule (EV_A); |
2320 | periodics_reschedule (EV_A); |
1897 | # endif |
2321 | # endif |
1898 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1899 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1900 | } |
2322 | } |
1901 | else |
2323 | else |
1902 | #endif |
2324 | #endif |
1903 | { |
2325 | { |
1904 | ev_rt_now = ev_time (); |
2326 | ev_rt_now = ev_time (); |
1905 | |
2327 | |
1906 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2328 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1907 | { |
2329 | { |
|
|
2330 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2331 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1908 | #if EV_PERIODIC_ENABLE |
2332 | #if EV_PERIODIC_ENABLE |
1909 | periodics_reschedule (EV_A); |
2333 | periodics_reschedule (EV_A); |
1910 | #endif |
2334 | #endif |
1911 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1912 | for (i = 0; i < timercnt; ++i) |
|
|
1913 | { |
|
|
1914 | ANHE *he = timers + i + HEAP0; |
|
|
1915 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1916 | ANHE_at_cache (*he); |
|
|
1917 | } |
|
|
1918 | } |
2335 | } |
1919 | |
2336 | |
1920 | mn_now = ev_rt_now; |
2337 | mn_now = ev_rt_now; |
1921 | } |
2338 | } |
1922 | } |
2339 | } |
1923 | |
2340 | |
1924 | void |
2341 | void |
1925 | ev_ref (EV_P) |
|
|
1926 | { |
|
|
1927 | ++activecnt; |
|
|
1928 | } |
|
|
1929 | |
|
|
1930 | void |
|
|
1931 | ev_unref (EV_P) |
|
|
1932 | { |
|
|
1933 | --activecnt; |
|
|
1934 | } |
|
|
1935 | |
|
|
1936 | void |
|
|
1937 | ev_now_update (EV_P) |
|
|
1938 | { |
|
|
1939 | time_update (EV_A_ 1e100); |
|
|
1940 | } |
|
|
1941 | |
|
|
1942 | static int loop_done; |
|
|
1943 | |
|
|
1944 | void |
|
|
1945 | ev_loop (EV_P_ int flags) |
2342 | ev_run (EV_P_ int flags) |
1946 | { |
2343 | { |
|
|
2344 | #if EV_FEATURE_API |
|
|
2345 | ++loop_depth; |
|
|
2346 | #endif |
|
|
2347 | |
|
|
2348 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
|
|
2349 | |
1947 | loop_done = EVUNLOOP_CANCEL; |
2350 | loop_done = EVBREAK_CANCEL; |
1948 | |
2351 | |
1949 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2352 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
1950 | |
2353 | |
1951 | do |
2354 | do |
1952 | { |
2355 | { |
1953 | #if EV_VERIFY >= 2 |
2356 | #if EV_VERIFY >= 2 |
1954 | ev_loop_verify (EV_A); |
2357 | ev_verify (EV_A); |
1955 | #endif |
2358 | #endif |
1956 | |
2359 | |
1957 | #ifndef _WIN32 |
2360 | #ifndef _WIN32 |
1958 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2361 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1959 | if (expect_false (getpid () != curpid)) |
2362 | if (expect_false (getpid () != curpid)) |
… | |
… | |
1967 | /* we might have forked, so queue fork handlers */ |
2370 | /* we might have forked, so queue fork handlers */ |
1968 | if (expect_false (postfork)) |
2371 | if (expect_false (postfork)) |
1969 | if (forkcnt) |
2372 | if (forkcnt) |
1970 | { |
2373 | { |
1971 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2374 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1972 | call_pending (EV_A); |
2375 | EV_INVOKE_PENDING; |
1973 | } |
2376 | } |
1974 | #endif |
2377 | #endif |
1975 | |
2378 | |
|
|
2379 | #if EV_PREPARE_ENABLE |
1976 | /* queue prepare watchers (and execute them) */ |
2380 | /* queue prepare watchers (and execute them) */ |
1977 | if (expect_false (preparecnt)) |
2381 | if (expect_false (preparecnt)) |
1978 | { |
2382 | { |
1979 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2383 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1980 | call_pending (EV_A); |
2384 | EV_INVOKE_PENDING; |
1981 | } |
2385 | } |
|
|
2386 | #endif |
1982 | |
2387 | |
1983 | if (expect_false (!activecnt)) |
2388 | if (expect_false (loop_done)) |
1984 | break; |
2389 | break; |
1985 | |
2390 | |
1986 | /* we might have forked, so reify kernel state if necessary */ |
2391 | /* we might have forked, so reify kernel state if necessary */ |
1987 | if (expect_false (postfork)) |
2392 | if (expect_false (postfork)) |
1988 | loop_fork (EV_A); |
2393 | loop_fork (EV_A); |
… | |
… | |
1993 | /* calculate blocking time */ |
2398 | /* calculate blocking time */ |
1994 | { |
2399 | { |
1995 | ev_tstamp waittime = 0.; |
2400 | ev_tstamp waittime = 0.; |
1996 | ev_tstamp sleeptime = 0.; |
2401 | ev_tstamp sleeptime = 0.; |
1997 | |
2402 | |
|
|
2403 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2404 | ev_tstamp prev_mn_now = mn_now; |
|
|
2405 | |
|
|
2406 | /* update time to cancel out callback processing overhead */ |
|
|
2407 | time_update (EV_A_ 1e100); |
|
|
2408 | |
1998 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2409 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
1999 | { |
2410 | { |
2000 | /* update time to cancel out callback processing overhead */ |
|
|
2001 | time_update (EV_A_ 1e100); |
|
|
2002 | |
|
|
2003 | waittime = MAX_BLOCKTIME; |
2411 | waittime = MAX_BLOCKTIME; |
2004 | |
2412 | |
2005 | if (timercnt) |
2413 | if (timercnt) |
2006 | { |
2414 | { |
2007 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2415 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2014 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2422 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2015 | if (waittime > to) waittime = to; |
2423 | if (waittime > to) waittime = to; |
2016 | } |
2424 | } |
2017 | #endif |
2425 | #endif |
2018 | |
2426 | |
|
|
2427 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2019 | if (expect_false (waittime < timeout_blocktime)) |
2428 | if (expect_false (waittime < timeout_blocktime)) |
2020 | waittime = timeout_blocktime; |
2429 | waittime = timeout_blocktime; |
2021 | |
2430 | |
2022 | sleeptime = waittime - backend_fudge; |
2431 | /* extra check because io_blocktime is commonly 0 */ |
2023 | |
|
|
2024 | if (expect_true (sleeptime > io_blocktime)) |
2432 | if (expect_false (io_blocktime)) |
2025 | sleeptime = io_blocktime; |
|
|
2026 | |
|
|
2027 | if (sleeptime) |
|
|
2028 | { |
2433 | { |
|
|
2434 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2435 | |
|
|
2436 | if (sleeptime > waittime - backend_fudge) |
|
|
2437 | sleeptime = waittime - backend_fudge; |
|
|
2438 | |
|
|
2439 | if (expect_true (sleeptime > 0.)) |
|
|
2440 | { |
2029 | ev_sleep (sleeptime); |
2441 | ev_sleep (sleeptime); |
2030 | waittime -= sleeptime; |
2442 | waittime -= sleeptime; |
|
|
2443 | } |
2031 | } |
2444 | } |
2032 | } |
2445 | } |
2033 | |
2446 | |
|
|
2447 | #if EV_FEATURE_API |
2034 | ++loop_count; |
2448 | ++loop_count; |
|
|
2449 | #endif |
|
|
2450 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2035 | backend_poll (EV_A_ waittime); |
2451 | backend_poll (EV_A_ waittime); |
|
|
2452 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2036 | |
2453 | |
2037 | /* update ev_rt_now, do magic */ |
2454 | /* update ev_rt_now, do magic */ |
2038 | time_update (EV_A_ waittime + sleeptime); |
2455 | time_update (EV_A_ waittime + sleeptime); |
2039 | } |
2456 | } |
2040 | |
2457 | |
… | |
… | |
2047 | #if EV_IDLE_ENABLE |
2464 | #if EV_IDLE_ENABLE |
2048 | /* queue idle watchers unless other events are pending */ |
2465 | /* queue idle watchers unless other events are pending */ |
2049 | idle_reify (EV_A); |
2466 | idle_reify (EV_A); |
2050 | #endif |
2467 | #endif |
2051 | |
2468 | |
|
|
2469 | #if EV_CHECK_ENABLE |
2052 | /* queue check watchers, to be executed first */ |
2470 | /* queue check watchers, to be executed first */ |
2053 | if (expect_false (checkcnt)) |
2471 | if (expect_false (checkcnt)) |
2054 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2472 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2473 | #endif |
2055 | |
2474 | |
2056 | call_pending (EV_A); |
2475 | EV_INVOKE_PENDING; |
2057 | } |
2476 | } |
2058 | while (expect_true ( |
2477 | while (expect_true ( |
2059 | activecnt |
2478 | activecnt |
2060 | && !loop_done |
2479 | && !loop_done |
2061 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2480 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2062 | )); |
2481 | )); |
2063 | |
2482 | |
2064 | if (loop_done == EVUNLOOP_ONE) |
2483 | if (loop_done == EVBREAK_ONE) |
2065 | loop_done = EVUNLOOP_CANCEL; |
2484 | loop_done = EVBREAK_CANCEL; |
2066 | } |
|
|
2067 | |
2485 | |
|
|
2486 | #if EV_FEATURE_API |
|
|
2487 | --loop_depth; |
|
|
2488 | #endif |
|
|
2489 | } |
|
|
2490 | |
2068 | void |
2491 | void |
2069 | ev_unloop (EV_P_ int how) |
2492 | ev_break (EV_P_ int how) |
2070 | { |
2493 | { |
2071 | loop_done = how; |
2494 | loop_done = how; |
2072 | } |
2495 | } |
2073 | |
2496 | |
|
|
2497 | void |
|
|
2498 | ev_ref (EV_P) |
|
|
2499 | { |
|
|
2500 | ++activecnt; |
|
|
2501 | } |
|
|
2502 | |
|
|
2503 | void |
|
|
2504 | ev_unref (EV_P) |
|
|
2505 | { |
|
|
2506 | --activecnt; |
|
|
2507 | } |
|
|
2508 | |
|
|
2509 | void |
|
|
2510 | ev_now_update (EV_P) |
|
|
2511 | { |
|
|
2512 | time_update (EV_A_ 1e100); |
|
|
2513 | } |
|
|
2514 | |
|
|
2515 | void |
|
|
2516 | ev_suspend (EV_P) |
|
|
2517 | { |
|
|
2518 | ev_now_update (EV_A); |
|
|
2519 | } |
|
|
2520 | |
|
|
2521 | void |
|
|
2522 | ev_resume (EV_P) |
|
|
2523 | { |
|
|
2524 | ev_tstamp mn_prev = mn_now; |
|
|
2525 | |
|
|
2526 | ev_now_update (EV_A); |
|
|
2527 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2528 | #if EV_PERIODIC_ENABLE |
|
|
2529 | /* TODO: really do this? */ |
|
|
2530 | periodics_reschedule (EV_A); |
|
|
2531 | #endif |
|
|
2532 | } |
|
|
2533 | |
2074 | /*****************************************************************************/ |
2534 | /*****************************************************************************/ |
|
|
2535 | /* singly-linked list management, used when the expected list length is short */ |
2075 | |
2536 | |
2076 | void inline_size |
2537 | inline_size void |
2077 | wlist_add (WL *head, WL elem) |
2538 | wlist_add (WL *head, WL elem) |
2078 | { |
2539 | { |
2079 | elem->next = *head; |
2540 | elem->next = *head; |
2080 | *head = elem; |
2541 | *head = elem; |
2081 | } |
2542 | } |
2082 | |
2543 | |
2083 | void inline_size |
2544 | inline_size void |
2084 | wlist_del (WL *head, WL elem) |
2545 | wlist_del (WL *head, WL elem) |
2085 | { |
2546 | { |
2086 | while (*head) |
2547 | while (*head) |
2087 | { |
2548 | { |
2088 | if (*head == elem) |
2549 | if (expect_true (*head == elem)) |
2089 | { |
2550 | { |
2090 | *head = elem->next; |
2551 | *head = elem->next; |
2091 | return; |
2552 | break; |
2092 | } |
2553 | } |
2093 | |
2554 | |
2094 | head = &(*head)->next; |
2555 | head = &(*head)->next; |
2095 | } |
2556 | } |
2096 | } |
2557 | } |
2097 | |
2558 | |
2098 | void inline_speed |
2559 | /* internal, faster, version of ev_clear_pending */ |
|
|
2560 | inline_speed void |
2099 | clear_pending (EV_P_ W w) |
2561 | clear_pending (EV_P_ W w) |
2100 | { |
2562 | { |
2101 | if (w->pending) |
2563 | if (w->pending) |
2102 | { |
2564 | { |
2103 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2565 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
2104 | w->pending = 0; |
2566 | w->pending = 0; |
2105 | } |
2567 | } |
2106 | } |
2568 | } |
2107 | |
2569 | |
2108 | int |
2570 | int |
… | |
… | |
2112 | int pending = w_->pending; |
2574 | int pending = w_->pending; |
2113 | |
2575 | |
2114 | if (expect_true (pending)) |
2576 | if (expect_true (pending)) |
2115 | { |
2577 | { |
2116 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2578 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2579 | p->w = (W)&pending_w; |
2117 | w_->pending = 0; |
2580 | w_->pending = 0; |
2118 | p->w = 0; |
|
|
2119 | return p->events; |
2581 | return p->events; |
2120 | } |
2582 | } |
2121 | else |
2583 | else |
2122 | return 0; |
2584 | return 0; |
2123 | } |
2585 | } |
2124 | |
2586 | |
2125 | void inline_size |
2587 | inline_size void |
2126 | pri_adjust (EV_P_ W w) |
2588 | pri_adjust (EV_P_ W w) |
2127 | { |
2589 | { |
2128 | int pri = w->priority; |
2590 | int pri = ev_priority (w); |
2129 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2591 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2130 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2592 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2131 | w->priority = pri; |
2593 | ev_set_priority (w, pri); |
2132 | } |
2594 | } |
2133 | |
2595 | |
2134 | void inline_speed |
2596 | inline_speed void |
2135 | ev_start (EV_P_ W w, int active) |
2597 | ev_start (EV_P_ W w, int active) |
2136 | { |
2598 | { |
2137 | pri_adjust (EV_A_ w); |
2599 | pri_adjust (EV_A_ w); |
2138 | w->active = active; |
2600 | w->active = active; |
2139 | ev_ref (EV_A); |
2601 | ev_ref (EV_A); |
2140 | } |
2602 | } |
2141 | |
2603 | |
2142 | void inline_size |
2604 | inline_size void |
2143 | ev_stop (EV_P_ W w) |
2605 | ev_stop (EV_P_ W w) |
2144 | { |
2606 | { |
2145 | ev_unref (EV_A); |
2607 | ev_unref (EV_A); |
2146 | w->active = 0; |
2608 | w->active = 0; |
2147 | } |
2609 | } |
… | |
… | |
2155 | |
2617 | |
2156 | if (expect_false (ev_is_active (w))) |
2618 | if (expect_false (ev_is_active (w))) |
2157 | return; |
2619 | return; |
2158 | |
2620 | |
2159 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2621 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2160 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
2622 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2161 | |
2623 | |
2162 | EV_FREQUENT_CHECK; |
2624 | EV_FREQUENT_CHECK; |
2163 | |
2625 | |
2164 | ev_start (EV_A_ (W)w, 1); |
2626 | ev_start (EV_A_ (W)w, 1); |
2165 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2627 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2166 | wlist_add (&anfds[fd].head, (WL)w); |
2628 | wlist_add (&anfds[fd].head, (WL)w); |
2167 | |
2629 | |
2168 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2630 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2169 | w->events &= ~EV_IOFDSET; |
2631 | w->events &= ~EV__IOFDSET; |
2170 | |
2632 | |
2171 | EV_FREQUENT_CHECK; |
2633 | EV_FREQUENT_CHECK; |
2172 | } |
2634 | } |
2173 | |
2635 | |
2174 | void noinline |
2636 | void noinline |
… | |
… | |
2183 | EV_FREQUENT_CHECK; |
2645 | EV_FREQUENT_CHECK; |
2184 | |
2646 | |
2185 | wlist_del (&anfds[w->fd].head, (WL)w); |
2647 | wlist_del (&anfds[w->fd].head, (WL)w); |
2186 | ev_stop (EV_A_ (W)w); |
2648 | ev_stop (EV_A_ (W)w); |
2187 | |
2649 | |
2188 | fd_change (EV_A_ w->fd, 1); |
2650 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2189 | |
2651 | |
2190 | EV_FREQUENT_CHECK; |
2652 | EV_FREQUENT_CHECK; |
2191 | } |
2653 | } |
2192 | |
2654 | |
2193 | void noinline |
2655 | void noinline |
… | |
… | |
2235 | timers [active] = timers [timercnt + HEAP0]; |
2697 | timers [active] = timers [timercnt + HEAP0]; |
2236 | adjustheap (timers, timercnt, active); |
2698 | adjustheap (timers, timercnt, active); |
2237 | } |
2699 | } |
2238 | } |
2700 | } |
2239 | |
2701 | |
2240 | EV_FREQUENT_CHECK; |
|
|
2241 | |
|
|
2242 | ev_at (w) -= mn_now; |
2702 | ev_at (w) -= mn_now; |
2243 | |
2703 | |
2244 | ev_stop (EV_A_ (W)w); |
2704 | ev_stop (EV_A_ (W)w); |
|
|
2705 | |
|
|
2706 | EV_FREQUENT_CHECK; |
2245 | } |
2707 | } |
2246 | |
2708 | |
2247 | void noinline |
2709 | void noinline |
2248 | ev_timer_again (EV_P_ ev_timer *w) |
2710 | ev_timer_again (EV_P_ ev_timer *w) |
2249 | { |
2711 | { |
… | |
… | |
2267 | } |
2729 | } |
2268 | |
2730 | |
2269 | EV_FREQUENT_CHECK; |
2731 | EV_FREQUENT_CHECK; |
2270 | } |
2732 | } |
2271 | |
2733 | |
|
|
2734 | ev_tstamp |
|
|
2735 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2736 | { |
|
|
2737 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
|
|
2738 | } |
|
|
2739 | |
2272 | #if EV_PERIODIC_ENABLE |
2740 | #if EV_PERIODIC_ENABLE |
2273 | void noinline |
2741 | void noinline |
2274 | ev_periodic_start (EV_P_ ev_periodic *w) |
2742 | ev_periodic_start (EV_P_ ev_periodic *w) |
2275 | { |
2743 | { |
2276 | if (expect_false (ev_is_active (w))) |
2744 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2322 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2790 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2323 | adjustheap (periodics, periodiccnt, active); |
2791 | adjustheap (periodics, periodiccnt, active); |
2324 | } |
2792 | } |
2325 | } |
2793 | } |
2326 | |
2794 | |
2327 | EV_FREQUENT_CHECK; |
|
|
2328 | |
|
|
2329 | ev_stop (EV_A_ (W)w); |
2795 | ev_stop (EV_A_ (W)w); |
|
|
2796 | |
|
|
2797 | EV_FREQUENT_CHECK; |
2330 | } |
2798 | } |
2331 | |
2799 | |
2332 | void noinline |
2800 | void noinline |
2333 | ev_periodic_again (EV_P_ ev_periodic *w) |
2801 | ev_periodic_again (EV_P_ ev_periodic *w) |
2334 | { |
2802 | { |
… | |
… | |
2340 | |
2808 | |
2341 | #ifndef SA_RESTART |
2809 | #ifndef SA_RESTART |
2342 | # define SA_RESTART 0 |
2810 | # define SA_RESTART 0 |
2343 | #endif |
2811 | #endif |
2344 | |
2812 | |
|
|
2813 | #if EV_SIGNAL_ENABLE |
|
|
2814 | |
2345 | void noinline |
2815 | void noinline |
2346 | ev_signal_start (EV_P_ ev_signal *w) |
2816 | ev_signal_start (EV_P_ ev_signal *w) |
2347 | { |
2817 | { |
2348 | #if EV_MULTIPLICITY |
|
|
2349 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2350 | #endif |
|
|
2351 | if (expect_false (ev_is_active (w))) |
2818 | if (expect_false (ev_is_active (w))) |
2352 | return; |
2819 | return; |
2353 | |
2820 | |
2354 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2821 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2355 | |
2822 | |
2356 | evpipe_init (EV_A); |
2823 | #if EV_MULTIPLICITY |
|
|
2824 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2825 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2357 | |
2826 | |
2358 | EV_FREQUENT_CHECK; |
2827 | signals [w->signum - 1].loop = EV_A; |
|
|
2828 | #endif |
2359 | |
2829 | |
|
|
2830 | EV_FREQUENT_CHECK; |
|
|
2831 | |
|
|
2832 | #if EV_USE_SIGNALFD |
|
|
2833 | if (sigfd == -2) |
2360 | { |
2834 | { |
2361 | #ifndef _WIN32 |
2835 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2362 | sigset_t full, prev; |
2836 | if (sigfd < 0 && errno == EINVAL) |
2363 | sigfillset (&full); |
2837 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2364 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2365 | #endif |
|
|
2366 | |
2838 | |
2367 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2839 | if (sigfd >= 0) |
|
|
2840 | { |
|
|
2841 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2368 | |
2842 | |
2369 | #ifndef _WIN32 |
2843 | sigemptyset (&sigfd_set); |
2370 | sigprocmask (SIG_SETMASK, &prev, 0); |
2844 | |
2371 | #endif |
2845 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2846 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2847 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2848 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2849 | } |
2372 | } |
2850 | } |
|
|
2851 | |
|
|
2852 | if (sigfd >= 0) |
|
|
2853 | { |
|
|
2854 | /* TODO: check .head */ |
|
|
2855 | sigaddset (&sigfd_set, w->signum); |
|
|
2856 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2857 | |
|
|
2858 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2859 | } |
|
|
2860 | #endif |
2373 | |
2861 | |
2374 | ev_start (EV_A_ (W)w, 1); |
2862 | ev_start (EV_A_ (W)w, 1); |
2375 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2863 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2376 | |
2864 | |
2377 | if (!((WL)w)->next) |
2865 | if (!((WL)w)->next) |
|
|
2866 | # if EV_USE_SIGNALFD |
|
|
2867 | if (sigfd < 0) /*TODO*/ |
|
|
2868 | # endif |
2378 | { |
2869 | { |
2379 | #if _WIN32 |
2870 | # ifdef _WIN32 |
|
|
2871 | evpipe_init (EV_A); |
|
|
2872 | |
2380 | signal (w->signum, ev_sighandler); |
2873 | signal (w->signum, ev_sighandler); |
2381 | #else |
2874 | # else |
2382 | struct sigaction sa; |
2875 | struct sigaction sa; |
|
|
2876 | |
|
|
2877 | evpipe_init (EV_A); |
|
|
2878 | |
2383 | sa.sa_handler = ev_sighandler; |
2879 | sa.sa_handler = ev_sighandler; |
2384 | sigfillset (&sa.sa_mask); |
2880 | sigfillset (&sa.sa_mask); |
2385 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2881 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2386 | sigaction (w->signum, &sa, 0); |
2882 | sigaction (w->signum, &sa, 0); |
|
|
2883 | |
|
|
2884 | sigemptyset (&sa.sa_mask); |
|
|
2885 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2886 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2387 | #endif |
2887 | #endif |
2388 | } |
2888 | } |
2389 | |
2889 | |
2390 | EV_FREQUENT_CHECK; |
2890 | EV_FREQUENT_CHECK; |
2391 | } |
2891 | } |
2392 | |
2892 | |
2393 | void noinline |
2893 | void noinline |
… | |
… | |
2401 | |
2901 | |
2402 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2902 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2403 | ev_stop (EV_A_ (W)w); |
2903 | ev_stop (EV_A_ (W)w); |
2404 | |
2904 | |
2405 | if (!signals [w->signum - 1].head) |
2905 | if (!signals [w->signum - 1].head) |
|
|
2906 | { |
|
|
2907 | #if EV_MULTIPLICITY |
|
|
2908 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2909 | #endif |
|
|
2910 | #if EV_USE_SIGNALFD |
|
|
2911 | if (sigfd >= 0) |
|
|
2912 | { |
|
|
2913 | sigset_t ss; |
|
|
2914 | |
|
|
2915 | sigemptyset (&ss); |
|
|
2916 | sigaddset (&ss, w->signum); |
|
|
2917 | sigdelset (&sigfd_set, w->signum); |
|
|
2918 | |
|
|
2919 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2920 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
|
|
2921 | } |
|
|
2922 | else |
|
|
2923 | #endif |
2406 | signal (w->signum, SIG_DFL); |
2924 | signal (w->signum, SIG_DFL); |
|
|
2925 | } |
2407 | |
2926 | |
2408 | EV_FREQUENT_CHECK; |
2927 | EV_FREQUENT_CHECK; |
2409 | } |
2928 | } |
|
|
2929 | |
|
|
2930 | #endif |
|
|
2931 | |
|
|
2932 | #if EV_CHILD_ENABLE |
2410 | |
2933 | |
2411 | void |
2934 | void |
2412 | ev_child_start (EV_P_ ev_child *w) |
2935 | ev_child_start (EV_P_ ev_child *w) |
2413 | { |
2936 | { |
2414 | #if EV_MULTIPLICITY |
2937 | #if EV_MULTIPLICITY |
… | |
… | |
2418 | return; |
2941 | return; |
2419 | |
2942 | |
2420 | EV_FREQUENT_CHECK; |
2943 | EV_FREQUENT_CHECK; |
2421 | |
2944 | |
2422 | ev_start (EV_A_ (W)w, 1); |
2945 | ev_start (EV_A_ (W)w, 1); |
2423 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2946 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2424 | |
2947 | |
2425 | EV_FREQUENT_CHECK; |
2948 | EV_FREQUENT_CHECK; |
2426 | } |
2949 | } |
2427 | |
2950 | |
2428 | void |
2951 | void |
… | |
… | |
2432 | if (expect_false (!ev_is_active (w))) |
2955 | if (expect_false (!ev_is_active (w))) |
2433 | return; |
2956 | return; |
2434 | |
2957 | |
2435 | EV_FREQUENT_CHECK; |
2958 | EV_FREQUENT_CHECK; |
2436 | |
2959 | |
2437 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2960 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2438 | ev_stop (EV_A_ (W)w); |
2961 | ev_stop (EV_A_ (W)w); |
2439 | |
2962 | |
2440 | EV_FREQUENT_CHECK; |
2963 | EV_FREQUENT_CHECK; |
2441 | } |
2964 | } |
|
|
2965 | |
|
|
2966 | #endif |
2442 | |
2967 | |
2443 | #if EV_STAT_ENABLE |
2968 | #if EV_STAT_ENABLE |
2444 | |
2969 | |
2445 | # ifdef _WIN32 |
2970 | # ifdef _WIN32 |
2446 | # undef lstat |
2971 | # undef lstat |
… | |
… | |
2452 | #define MIN_STAT_INTERVAL 0.1074891 |
2977 | #define MIN_STAT_INTERVAL 0.1074891 |
2453 | |
2978 | |
2454 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2979 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2455 | |
2980 | |
2456 | #if EV_USE_INOTIFY |
2981 | #if EV_USE_INOTIFY |
2457 | # define EV_INOTIFY_BUFSIZE 8192 |
2982 | |
|
|
2983 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2984 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2458 | |
2985 | |
2459 | static void noinline |
2986 | static void noinline |
2460 | infy_add (EV_P_ ev_stat *w) |
2987 | infy_add (EV_P_ ev_stat *w) |
2461 | { |
2988 | { |
2462 | 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); |
2989 | 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); |
2463 | |
2990 | |
2464 | if (w->wd < 0) |
2991 | if (w->wd >= 0) |
|
|
2992 | { |
|
|
2993 | struct statfs sfs; |
|
|
2994 | |
|
|
2995 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2996 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2997 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2998 | |
|
|
2999 | if (!fs_2625) |
|
|
3000 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3001 | else if (!statfs (w->path, &sfs) |
|
|
3002 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
3003 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
3004 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
3005 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
3006 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
3007 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
3008 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
3009 | else |
|
|
3010 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2465 | { |
3011 | } |
|
|
3012 | else |
|
|
3013 | { |
|
|
3014 | /* can't use inotify, continue to stat */ |
2466 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3015 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2467 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2468 | |
3016 | |
2469 | /* monitor some parent directory for speedup hints */ |
3017 | /* if path is not there, monitor some parent directory for speedup hints */ |
2470 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
3018 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2471 | /* but an efficiency issue only */ |
3019 | /* but an efficiency issue only */ |
2472 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
3020 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2473 | { |
3021 | { |
2474 | char path [4096]; |
3022 | char path [4096]; |
… | |
… | |
2490 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3038 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2491 | } |
3039 | } |
2492 | } |
3040 | } |
2493 | |
3041 | |
2494 | if (w->wd >= 0) |
3042 | if (w->wd >= 0) |
2495 | { |
|
|
2496 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3043 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2497 | |
3044 | |
2498 | /* now local changes will be tracked by inotify, but remote changes won't */ |
3045 | /* now re-arm timer, if required */ |
2499 | /* unless the filesystem it known to be local, we therefore still poll */ |
3046 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2500 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2501 | struct statfs sfs; |
|
|
2502 | |
|
|
2503 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2504 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2505 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2506 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2507 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2508 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2509 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2510 | return; |
|
|
2511 | |
|
|
2512 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2513 | ev_timer_again (EV_A_ &w->timer); |
3047 | ev_timer_again (EV_A_ &w->timer); |
2514 | } |
3048 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2515 | } |
3049 | } |
2516 | |
3050 | |
2517 | static void noinline |
3051 | static void noinline |
2518 | infy_del (EV_P_ ev_stat *w) |
3052 | infy_del (EV_P_ ev_stat *w) |
2519 | { |
3053 | { |
… | |
… | |
2522 | |
3056 | |
2523 | if (wd < 0) |
3057 | if (wd < 0) |
2524 | return; |
3058 | return; |
2525 | |
3059 | |
2526 | w->wd = -2; |
3060 | w->wd = -2; |
2527 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3061 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2528 | wlist_del (&fs_hash [slot].head, (WL)w); |
3062 | wlist_del (&fs_hash [slot].head, (WL)w); |
2529 | |
3063 | |
2530 | /* remove this watcher, if others are watching it, they will rearm */ |
3064 | /* remove this watcher, if others are watching it, they will rearm */ |
2531 | inotify_rm_watch (fs_fd, wd); |
3065 | inotify_rm_watch (fs_fd, wd); |
2532 | } |
3066 | } |
… | |
… | |
2534 | static void noinline |
3068 | static void noinline |
2535 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3069 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2536 | { |
3070 | { |
2537 | if (slot < 0) |
3071 | if (slot < 0) |
2538 | /* overflow, need to check for all hash slots */ |
3072 | /* overflow, need to check for all hash slots */ |
2539 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3073 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2540 | infy_wd (EV_A_ slot, wd, ev); |
3074 | infy_wd (EV_A_ slot, wd, ev); |
2541 | else |
3075 | else |
2542 | { |
3076 | { |
2543 | WL w_; |
3077 | WL w_; |
2544 | |
3078 | |
2545 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3079 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2546 | { |
3080 | { |
2547 | ev_stat *w = (ev_stat *)w_; |
3081 | ev_stat *w = (ev_stat *)w_; |
2548 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3082 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2549 | |
3083 | |
2550 | if (w->wd == wd || wd == -1) |
3084 | if (w->wd == wd || wd == -1) |
2551 | { |
3085 | { |
2552 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3086 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2553 | { |
3087 | { |
2554 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3088 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2555 | w->wd = -1; |
3089 | w->wd = -1; |
2556 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3090 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2557 | } |
3091 | } |
2558 | |
3092 | |
2559 | stat_timer_cb (EV_A_ &w->timer, 0); |
3093 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2564 | |
3098 | |
2565 | static void |
3099 | static void |
2566 | infy_cb (EV_P_ ev_io *w, int revents) |
3100 | infy_cb (EV_P_ ev_io *w, int revents) |
2567 | { |
3101 | { |
2568 | char buf [EV_INOTIFY_BUFSIZE]; |
3102 | char buf [EV_INOTIFY_BUFSIZE]; |
2569 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2570 | int ofs; |
3103 | int ofs; |
2571 | int len = read (fs_fd, buf, sizeof (buf)); |
3104 | int len = read (fs_fd, buf, sizeof (buf)); |
2572 | |
3105 | |
2573 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3106 | for (ofs = 0; ofs < len; ) |
|
|
3107 | { |
|
|
3108 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2574 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3109 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3110 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3111 | } |
2575 | } |
3112 | } |
2576 | |
3113 | |
2577 | void inline_size |
3114 | inline_size void |
2578 | check_2625 (EV_P) |
3115 | ev_check_2625 (EV_P) |
2579 | { |
3116 | { |
2580 | /* kernels < 2.6.25 are borked |
3117 | /* kernels < 2.6.25 are borked |
2581 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3118 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2582 | */ |
3119 | */ |
2583 | struct utsname buf; |
3120 | if (ev_linux_version () < 0x020619) |
2584 | int major, minor, micro; |
|
|
2585 | |
|
|
2586 | if (uname (&buf)) |
|
|
2587 | return; |
3121 | return; |
2588 | |
3122 | |
2589 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2590 | return; |
|
|
2591 | |
|
|
2592 | if (major < 2 |
|
|
2593 | || (major == 2 && minor < 6) |
|
|
2594 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2595 | return; |
|
|
2596 | |
|
|
2597 | fs_2625 = 1; |
3123 | fs_2625 = 1; |
2598 | } |
3124 | } |
2599 | |
3125 | |
2600 | void inline_size |
3126 | inline_size int |
|
|
3127 | infy_newfd (void) |
|
|
3128 | { |
|
|
3129 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3130 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3131 | if (fd >= 0) |
|
|
3132 | return fd; |
|
|
3133 | #endif |
|
|
3134 | return inotify_init (); |
|
|
3135 | } |
|
|
3136 | |
|
|
3137 | inline_size void |
2601 | infy_init (EV_P) |
3138 | infy_init (EV_P) |
2602 | { |
3139 | { |
2603 | if (fs_fd != -2) |
3140 | if (fs_fd != -2) |
2604 | return; |
3141 | return; |
2605 | |
3142 | |
2606 | fs_fd = -1; |
3143 | fs_fd = -1; |
2607 | |
3144 | |
2608 | check_2625 (EV_A); |
3145 | ev_check_2625 (EV_A); |
2609 | |
3146 | |
2610 | fs_fd = inotify_init (); |
3147 | fs_fd = infy_newfd (); |
2611 | |
3148 | |
2612 | if (fs_fd >= 0) |
3149 | if (fs_fd >= 0) |
2613 | { |
3150 | { |
|
|
3151 | fd_intern (fs_fd); |
2614 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3152 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2615 | ev_set_priority (&fs_w, EV_MAXPRI); |
3153 | ev_set_priority (&fs_w, EV_MAXPRI); |
2616 | ev_io_start (EV_A_ &fs_w); |
3154 | ev_io_start (EV_A_ &fs_w); |
|
|
3155 | ev_unref (EV_A); |
2617 | } |
3156 | } |
2618 | } |
3157 | } |
2619 | |
3158 | |
2620 | void inline_size |
3159 | inline_size void |
2621 | infy_fork (EV_P) |
3160 | infy_fork (EV_P) |
2622 | { |
3161 | { |
2623 | int slot; |
3162 | int slot; |
2624 | |
3163 | |
2625 | if (fs_fd < 0) |
3164 | if (fs_fd < 0) |
2626 | return; |
3165 | return; |
2627 | |
3166 | |
|
|
3167 | ev_ref (EV_A); |
|
|
3168 | ev_io_stop (EV_A_ &fs_w); |
2628 | close (fs_fd); |
3169 | close (fs_fd); |
2629 | fs_fd = inotify_init (); |
3170 | fs_fd = infy_newfd (); |
2630 | |
3171 | |
|
|
3172 | if (fs_fd >= 0) |
|
|
3173 | { |
|
|
3174 | fd_intern (fs_fd); |
|
|
3175 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3176 | ev_io_start (EV_A_ &fs_w); |
|
|
3177 | ev_unref (EV_A); |
|
|
3178 | } |
|
|
3179 | |
2631 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3180 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2632 | { |
3181 | { |
2633 | WL w_ = fs_hash [slot].head; |
3182 | WL w_ = fs_hash [slot].head; |
2634 | fs_hash [slot].head = 0; |
3183 | fs_hash [slot].head = 0; |
2635 | |
3184 | |
2636 | while (w_) |
3185 | while (w_) |
… | |
… | |
2641 | w->wd = -1; |
3190 | w->wd = -1; |
2642 | |
3191 | |
2643 | if (fs_fd >= 0) |
3192 | if (fs_fd >= 0) |
2644 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3193 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2645 | else |
3194 | else |
|
|
3195 | { |
|
|
3196 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3197 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2646 | ev_timer_again (EV_A_ &w->timer); |
3198 | ev_timer_again (EV_A_ &w->timer); |
|
|
3199 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3200 | } |
2647 | } |
3201 | } |
2648 | } |
3202 | } |
2649 | } |
3203 | } |
2650 | |
3204 | |
2651 | #endif |
3205 | #endif |
… | |
… | |
2668 | static void noinline |
3222 | static void noinline |
2669 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3223 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2670 | { |
3224 | { |
2671 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3225 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2672 | |
3226 | |
2673 | /* we copy this here each the time so that */ |
3227 | ev_statdata prev = w->attr; |
2674 | /* prev has the old value when the callback gets invoked */ |
|
|
2675 | w->prev = w->attr; |
|
|
2676 | ev_stat_stat (EV_A_ w); |
3228 | ev_stat_stat (EV_A_ w); |
2677 | |
3229 | |
2678 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3230 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
2679 | if ( |
3231 | if ( |
2680 | w->prev.st_dev != w->attr.st_dev |
3232 | prev.st_dev != w->attr.st_dev |
2681 | || w->prev.st_ino != w->attr.st_ino |
3233 | || prev.st_ino != w->attr.st_ino |
2682 | || w->prev.st_mode != w->attr.st_mode |
3234 | || prev.st_mode != w->attr.st_mode |
2683 | || w->prev.st_nlink != w->attr.st_nlink |
3235 | || prev.st_nlink != w->attr.st_nlink |
2684 | || w->prev.st_uid != w->attr.st_uid |
3236 | || prev.st_uid != w->attr.st_uid |
2685 | || w->prev.st_gid != w->attr.st_gid |
3237 | || prev.st_gid != w->attr.st_gid |
2686 | || w->prev.st_rdev != w->attr.st_rdev |
3238 | || prev.st_rdev != w->attr.st_rdev |
2687 | || w->prev.st_size != w->attr.st_size |
3239 | || prev.st_size != w->attr.st_size |
2688 | || w->prev.st_atime != w->attr.st_atime |
3240 | || prev.st_atime != w->attr.st_atime |
2689 | || w->prev.st_mtime != w->attr.st_mtime |
3241 | || prev.st_mtime != w->attr.st_mtime |
2690 | || w->prev.st_ctime != w->attr.st_ctime |
3242 | || prev.st_ctime != w->attr.st_ctime |
2691 | ) { |
3243 | ) { |
|
|
3244 | /* we only update w->prev on actual differences */ |
|
|
3245 | /* in case we test more often than invoke the callback, */ |
|
|
3246 | /* to ensure that prev is always different to attr */ |
|
|
3247 | w->prev = prev; |
|
|
3248 | |
2692 | #if EV_USE_INOTIFY |
3249 | #if EV_USE_INOTIFY |
2693 | if (fs_fd >= 0) |
3250 | if (fs_fd >= 0) |
2694 | { |
3251 | { |
2695 | infy_del (EV_A_ w); |
3252 | infy_del (EV_A_ w); |
2696 | infy_add (EV_A_ w); |
3253 | infy_add (EV_A_ w); |
… | |
… | |
2721 | |
3278 | |
2722 | if (fs_fd >= 0) |
3279 | if (fs_fd >= 0) |
2723 | infy_add (EV_A_ w); |
3280 | infy_add (EV_A_ w); |
2724 | else |
3281 | else |
2725 | #endif |
3282 | #endif |
|
|
3283 | { |
2726 | ev_timer_again (EV_A_ &w->timer); |
3284 | ev_timer_again (EV_A_ &w->timer); |
|
|
3285 | ev_unref (EV_A); |
|
|
3286 | } |
2727 | |
3287 | |
2728 | ev_start (EV_A_ (W)w, 1); |
3288 | ev_start (EV_A_ (W)w, 1); |
2729 | |
3289 | |
2730 | EV_FREQUENT_CHECK; |
3290 | EV_FREQUENT_CHECK; |
2731 | } |
3291 | } |
… | |
… | |
2740 | EV_FREQUENT_CHECK; |
3300 | EV_FREQUENT_CHECK; |
2741 | |
3301 | |
2742 | #if EV_USE_INOTIFY |
3302 | #if EV_USE_INOTIFY |
2743 | infy_del (EV_A_ w); |
3303 | infy_del (EV_A_ w); |
2744 | #endif |
3304 | #endif |
|
|
3305 | |
|
|
3306 | if (ev_is_active (&w->timer)) |
|
|
3307 | { |
|
|
3308 | ev_ref (EV_A); |
2745 | ev_timer_stop (EV_A_ &w->timer); |
3309 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3310 | } |
2746 | |
3311 | |
2747 | ev_stop (EV_A_ (W)w); |
3312 | ev_stop (EV_A_ (W)w); |
2748 | |
3313 | |
2749 | EV_FREQUENT_CHECK; |
3314 | EV_FREQUENT_CHECK; |
2750 | } |
3315 | } |
… | |
… | |
2795 | |
3360 | |
2796 | EV_FREQUENT_CHECK; |
3361 | EV_FREQUENT_CHECK; |
2797 | } |
3362 | } |
2798 | #endif |
3363 | #endif |
2799 | |
3364 | |
|
|
3365 | #if EV_PREPARE_ENABLE |
2800 | void |
3366 | void |
2801 | ev_prepare_start (EV_P_ ev_prepare *w) |
3367 | ev_prepare_start (EV_P_ ev_prepare *w) |
2802 | { |
3368 | { |
2803 | if (expect_false (ev_is_active (w))) |
3369 | if (expect_false (ev_is_active (w))) |
2804 | return; |
3370 | return; |
… | |
… | |
2830 | |
3396 | |
2831 | ev_stop (EV_A_ (W)w); |
3397 | ev_stop (EV_A_ (W)w); |
2832 | |
3398 | |
2833 | EV_FREQUENT_CHECK; |
3399 | EV_FREQUENT_CHECK; |
2834 | } |
3400 | } |
|
|
3401 | #endif |
2835 | |
3402 | |
|
|
3403 | #if EV_CHECK_ENABLE |
2836 | void |
3404 | void |
2837 | ev_check_start (EV_P_ ev_check *w) |
3405 | ev_check_start (EV_P_ ev_check *w) |
2838 | { |
3406 | { |
2839 | if (expect_false (ev_is_active (w))) |
3407 | if (expect_false (ev_is_active (w))) |
2840 | return; |
3408 | return; |
… | |
… | |
2866 | |
3434 | |
2867 | ev_stop (EV_A_ (W)w); |
3435 | ev_stop (EV_A_ (W)w); |
2868 | |
3436 | |
2869 | EV_FREQUENT_CHECK; |
3437 | EV_FREQUENT_CHECK; |
2870 | } |
3438 | } |
|
|
3439 | #endif |
2871 | |
3440 | |
2872 | #if EV_EMBED_ENABLE |
3441 | #if EV_EMBED_ENABLE |
2873 | void noinline |
3442 | void noinline |
2874 | ev_embed_sweep (EV_P_ ev_embed *w) |
3443 | ev_embed_sweep (EV_P_ ev_embed *w) |
2875 | { |
3444 | { |
2876 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3445 | ev_run (w->other, EVRUN_NOWAIT); |
2877 | } |
3446 | } |
2878 | |
3447 | |
2879 | static void |
3448 | static void |
2880 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3449 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2881 | { |
3450 | { |
2882 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3451 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2883 | |
3452 | |
2884 | if (ev_cb (w)) |
3453 | if (ev_cb (w)) |
2885 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3454 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2886 | else |
3455 | else |
2887 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3456 | ev_run (w->other, EVRUN_NOWAIT); |
2888 | } |
3457 | } |
2889 | |
3458 | |
2890 | static void |
3459 | static void |
2891 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3460 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
2892 | { |
3461 | { |
2893 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3462 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
2894 | |
3463 | |
2895 | { |
3464 | { |
2896 | struct ev_loop *loop = w->other; |
3465 | EV_P = w->other; |
2897 | |
3466 | |
2898 | while (fdchangecnt) |
3467 | while (fdchangecnt) |
2899 | { |
3468 | { |
2900 | fd_reify (EV_A); |
3469 | fd_reify (EV_A); |
2901 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3470 | ev_run (EV_A_ EVRUN_NOWAIT); |
2902 | } |
3471 | } |
2903 | } |
3472 | } |
2904 | } |
3473 | } |
2905 | |
3474 | |
2906 | static void |
3475 | static void |
… | |
… | |
2909 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3478 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
2910 | |
3479 | |
2911 | ev_embed_stop (EV_A_ w); |
3480 | ev_embed_stop (EV_A_ w); |
2912 | |
3481 | |
2913 | { |
3482 | { |
2914 | struct ev_loop *loop = w->other; |
3483 | EV_P = w->other; |
2915 | |
3484 | |
2916 | ev_loop_fork (EV_A); |
3485 | ev_loop_fork (EV_A); |
2917 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3486 | ev_run (EV_A_ EVRUN_NOWAIT); |
2918 | } |
3487 | } |
2919 | |
3488 | |
2920 | ev_embed_start (EV_A_ w); |
3489 | ev_embed_start (EV_A_ w); |
2921 | } |
3490 | } |
2922 | |
3491 | |
… | |
… | |
2933 | { |
3502 | { |
2934 | if (expect_false (ev_is_active (w))) |
3503 | if (expect_false (ev_is_active (w))) |
2935 | return; |
3504 | return; |
2936 | |
3505 | |
2937 | { |
3506 | { |
2938 | struct ev_loop *loop = w->other; |
3507 | EV_P = w->other; |
2939 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3508 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2940 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3509 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2941 | } |
3510 | } |
2942 | |
3511 | |
2943 | EV_FREQUENT_CHECK; |
3512 | EV_FREQUENT_CHECK; |
… | |
… | |
2970 | |
3539 | |
2971 | ev_io_stop (EV_A_ &w->io); |
3540 | ev_io_stop (EV_A_ &w->io); |
2972 | ev_prepare_stop (EV_A_ &w->prepare); |
3541 | ev_prepare_stop (EV_A_ &w->prepare); |
2973 | ev_fork_stop (EV_A_ &w->fork); |
3542 | ev_fork_stop (EV_A_ &w->fork); |
2974 | |
3543 | |
|
|
3544 | ev_stop (EV_A_ (W)w); |
|
|
3545 | |
2975 | EV_FREQUENT_CHECK; |
3546 | EV_FREQUENT_CHECK; |
2976 | } |
3547 | } |
2977 | #endif |
3548 | #endif |
2978 | |
3549 | |
2979 | #if EV_FORK_ENABLE |
3550 | #if EV_FORK_ENABLE |
… | |
… | |
3012 | |
3583 | |
3013 | EV_FREQUENT_CHECK; |
3584 | EV_FREQUENT_CHECK; |
3014 | } |
3585 | } |
3015 | #endif |
3586 | #endif |
3016 | |
3587 | |
3017 | #if EV_ASYNC_ENABLE |
3588 | #if EV_CLEANUP_ENABLE |
3018 | void |
3589 | void |
3019 | ev_async_start (EV_P_ ev_async *w) |
3590 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
3020 | { |
3591 | { |
3021 | if (expect_false (ev_is_active (w))) |
3592 | if (expect_false (ev_is_active (w))) |
3022 | return; |
3593 | return; |
|
|
3594 | |
|
|
3595 | EV_FREQUENT_CHECK; |
|
|
3596 | |
|
|
3597 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3598 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3599 | cleanups [cleanupcnt - 1] = w; |
|
|
3600 | |
|
|
3601 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3602 | ev_unref (EV_A); |
|
|
3603 | EV_FREQUENT_CHECK; |
|
|
3604 | } |
|
|
3605 | |
|
|
3606 | void |
|
|
3607 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3608 | { |
|
|
3609 | clear_pending (EV_A_ (W)w); |
|
|
3610 | if (expect_false (!ev_is_active (w))) |
|
|
3611 | return; |
|
|
3612 | |
|
|
3613 | EV_FREQUENT_CHECK; |
|
|
3614 | ev_ref (EV_A); |
|
|
3615 | |
|
|
3616 | { |
|
|
3617 | int active = ev_active (w); |
|
|
3618 | |
|
|
3619 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3620 | ev_active (cleanups [active - 1]) = active; |
|
|
3621 | } |
|
|
3622 | |
|
|
3623 | ev_stop (EV_A_ (W)w); |
|
|
3624 | |
|
|
3625 | EV_FREQUENT_CHECK; |
|
|
3626 | } |
|
|
3627 | #endif |
|
|
3628 | |
|
|
3629 | #if EV_ASYNC_ENABLE |
|
|
3630 | void |
|
|
3631 | ev_async_start (EV_P_ ev_async *w) |
|
|
3632 | { |
|
|
3633 | if (expect_false (ev_is_active (w))) |
|
|
3634 | return; |
|
|
3635 | |
|
|
3636 | w->sent = 0; |
3023 | |
3637 | |
3024 | evpipe_init (EV_A); |
3638 | evpipe_init (EV_A); |
3025 | |
3639 | |
3026 | EV_FREQUENT_CHECK; |
3640 | EV_FREQUENT_CHECK; |
3027 | |
3641 | |
… | |
… | |
3055 | |
3669 | |
3056 | void |
3670 | void |
3057 | ev_async_send (EV_P_ ev_async *w) |
3671 | ev_async_send (EV_P_ ev_async *w) |
3058 | { |
3672 | { |
3059 | w->sent = 1; |
3673 | w->sent = 1; |
3060 | evpipe_write (EV_A_ &gotasync); |
3674 | evpipe_write (EV_A_ &async_pending); |
3061 | } |
3675 | } |
3062 | #endif |
3676 | #endif |
3063 | |
3677 | |
3064 | /*****************************************************************************/ |
3678 | /*****************************************************************************/ |
3065 | |
3679 | |
… | |
… | |
3105 | { |
3719 | { |
3106 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3720 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3107 | |
3721 | |
3108 | if (expect_false (!once)) |
3722 | if (expect_false (!once)) |
3109 | { |
3723 | { |
3110 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3724 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3111 | return; |
3725 | return; |
3112 | } |
3726 | } |
3113 | |
3727 | |
3114 | once->cb = cb; |
3728 | once->cb = cb; |
3115 | once->arg = arg; |
3729 | once->arg = arg; |
… | |
… | |
3127 | ev_timer_set (&once->to, timeout, 0.); |
3741 | ev_timer_set (&once->to, timeout, 0.); |
3128 | ev_timer_start (EV_A_ &once->to); |
3742 | ev_timer_start (EV_A_ &once->to); |
3129 | } |
3743 | } |
3130 | } |
3744 | } |
3131 | |
3745 | |
|
|
3746 | /*****************************************************************************/ |
|
|
3747 | |
|
|
3748 | #if EV_WALK_ENABLE |
|
|
3749 | void |
|
|
3750 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3751 | { |
|
|
3752 | int i, j; |
|
|
3753 | ev_watcher_list *wl, *wn; |
|
|
3754 | |
|
|
3755 | if (types & (EV_IO | EV_EMBED)) |
|
|
3756 | for (i = 0; i < anfdmax; ++i) |
|
|
3757 | for (wl = anfds [i].head; wl; ) |
|
|
3758 | { |
|
|
3759 | wn = wl->next; |
|
|
3760 | |
|
|
3761 | #if EV_EMBED_ENABLE |
|
|
3762 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3763 | { |
|
|
3764 | if (types & EV_EMBED) |
|
|
3765 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3766 | } |
|
|
3767 | else |
|
|
3768 | #endif |
|
|
3769 | #if EV_USE_INOTIFY |
|
|
3770 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3771 | ; |
|
|
3772 | else |
|
|
3773 | #endif |
|
|
3774 | if ((ev_io *)wl != &pipe_w) |
|
|
3775 | if (types & EV_IO) |
|
|
3776 | cb (EV_A_ EV_IO, wl); |
|
|
3777 | |
|
|
3778 | wl = wn; |
|
|
3779 | } |
|
|
3780 | |
|
|
3781 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3782 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3783 | #if EV_STAT_ENABLE |
|
|
3784 | /*TODO: timer is not always active*/ |
|
|
3785 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3786 | { |
|
|
3787 | if (types & EV_STAT) |
|
|
3788 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3789 | } |
|
|
3790 | else |
|
|
3791 | #endif |
|
|
3792 | if (types & EV_TIMER) |
|
|
3793 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3794 | |
|
|
3795 | #if EV_PERIODIC_ENABLE |
|
|
3796 | if (types & EV_PERIODIC) |
|
|
3797 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3798 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3799 | #endif |
|
|
3800 | |
|
|
3801 | #if EV_IDLE_ENABLE |
|
|
3802 | if (types & EV_IDLE) |
|
|
3803 | for (j = NUMPRI; i--; ) |
|
|
3804 | for (i = idlecnt [j]; i--; ) |
|
|
3805 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3806 | #endif |
|
|
3807 | |
|
|
3808 | #if EV_FORK_ENABLE |
|
|
3809 | if (types & EV_FORK) |
|
|
3810 | for (i = forkcnt; i--; ) |
|
|
3811 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3812 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3813 | #endif |
|
|
3814 | |
|
|
3815 | #if EV_ASYNC_ENABLE |
|
|
3816 | if (types & EV_ASYNC) |
|
|
3817 | for (i = asynccnt; i--; ) |
|
|
3818 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3819 | #endif |
|
|
3820 | |
|
|
3821 | #if EV_PREPARE_ENABLE |
|
|
3822 | if (types & EV_PREPARE) |
|
|
3823 | for (i = preparecnt; i--; ) |
|
|
3824 | # if EV_EMBED_ENABLE |
|
|
3825 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3826 | # endif |
|
|
3827 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3828 | #endif |
|
|
3829 | |
|
|
3830 | #if EV_CHECK_ENABLE |
|
|
3831 | if (types & EV_CHECK) |
|
|
3832 | for (i = checkcnt; i--; ) |
|
|
3833 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3834 | #endif |
|
|
3835 | |
|
|
3836 | #if EV_SIGNAL_ENABLE |
|
|
3837 | if (types & EV_SIGNAL) |
|
|
3838 | for (i = 0; i < EV_NSIG - 1; ++i) |
|
|
3839 | for (wl = signals [i].head; wl; ) |
|
|
3840 | { |
|
|
3841 | wn = wl->next; |
|
|
3842 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3843 | wl = wn; |
|
|
3844 | } |
|
|
3845 | #endif |
|
|
3846 | |
|
|
3847 | #if EV_CHILD_ENABLE |
|
|
3848 | if (types & EV_CHILD) |
|
|
3849 | for (i = (EV_PID_HASHSIZE); i--; ) |
|
|
3850 | for (wl = childs [i]; wl; ) |
|
|
3851 | { |
|
|
3852 | wn = wl->next; |
|
|
3853 | cb (EV_A_ EV_CHILD, wl); |
|
|
3854 | wl = wn; |
|
|
3855 | } |
|
|
3856 | #endif |
|
|
3857 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3858 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3859 | } |
|
|
3860 | #endif |
|
|
3861 | |
3132 | #if EV_MULTIPLICITY |
3862 | #if EV_MULTIPLICITY |
3133 | #include "ev_wrap.h" |
3863 | #include "ev_wrap.h" |
3134 | #endif |
3864 | #endif |
3135 | |
3865 | |
3136 | #ifdef __cplusplus |
3866 | EV_CPP(}) |
3137 | } |
|
|
3138 | #endif |
|
|
3139 | |
3867 | |