1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
11 | * this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
12 | * |
12 | * |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
… | |
… | |
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 |
49 | # include "config.h" |
45 | # include "config.h" |
50 | # endif |
46 | # endif |
|
|
47 | |
|
|
48 | #if HAVE_FLOOR |
|
|
49 | # ifndef EV_USE_FLOOR |
|
|
50 | # define EV_USE_FLOOR 1 |
|
|
51 | # endif |
|
|
52 | #endif |
51 | |
53 | |
52 | # if HAVE_CLOCK_SYSCALL |
54 | # if HAVE_CLOCK_SYSCALL |
53 | # ifndef EV_USE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
54 | # define EV_USE_CLOCK_SYSCALL 1 |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
55 | # ifndef EV_USE_REALTIME |
57 | # ifndef EV_USE_REALTIME |
… | |
… | |
77 | # ifndef EV_USE_REALTIME |
79 | # ifndef EV_USE_REALTIME |
78 | # define EV_USE_REALTIME 0 |
80 | # define EV_USE_REALTIME 0 |
79 | # endif |
81 | # endif |
80 | # endif |
82 | # endif |
81 | |
83 | |
|
|
84 | # if HAVE_NANOSLEEP |
82 | # ifndef EV_USE_NANOSLEEP |
85 | # ifndef EV_USE_NANOSLEEP |
83 | # if HAVE_NANOSLEEP |
|
|
84 | # define EV_USE_NANOSLEEP 1 |
86 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
87 | # endif |
85 | # else |
88 | # else |
|
|
89 | # undef EV_USE_NANOSLEEP |
86 | # define EV_USE_NANOSLEEP 0 |
90 | # define EV_USE_NANOSLEEP 0 |
|
|
91 | # endif |
|
|
92 | |
|
|
93 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
94 | # ifndef EV_USE_SELECT |
|
|
95 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
87 | # endif |
96 | # endif |
|
|
97 | # else |
|
|
98 | # undef EV_USE_SELECT |
|
|
99 | # define EV_USE_SELECT 0 |
88 | # endif |
100 | # endif |
89 | |
101 | |
|
|
102 | # if HAVE_POLL && HAVE_POLL_H |
90 | # ifndef EV_USE_SELECT |
103 | # ifndef EV_USE_POLL |
91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
104 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
92 | # define EV_USE_SELECT 1 |
|
|
93 | # else |
|
|
94 | # define EV_USE_SELECT 0 |
|
|
95 | # endif |
105 | # endif |
96 | # endif |
|
|
97 | |
|
|
98 | # ifndef EV_USE_POLL |
|
|
99 | # if HAVE_POLL && HAVE_POLL_H |
|
|
100 | # define EV_USE_POLL 1 |
|
|
101 | # else |
106 | # else |
|
|
107 | # undef EV_USE_POLL |
102 | # define EV_USE_POLL 0 |
108 | # define EV_USE_POLL 0 |
103 | # endif |
|
|
104 | # endif |
109 | # endif |
105 | |
110 | |
106 | # ifndef EV_USE_EPOLL |
|
|
107 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
111 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
108 | # define EV_USE_EPOLL 1 |
112 | # ifndef EV_USE_EPOLL |
109 | # else |
113 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
110 | # define EV_USE_EPOLL 0 |
|
|
111 | # endif |
114 | # endif |
|
|
115 | # else |
|
|
116 | # undef EV_USE_EPOLL |
|
|
117 | # define EV_USE_EPOLL 0 |
112 | # endif |
118 | # endif |
113 | |
119 | |
|
|
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
114 | # ifndef EV_USE_KQUEUE |
121 | # ifndef EV_USE_KQUEUE |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
116 | # define EV_USE_KQUEUE 1 |
|
|
117 | # else |
|
|
118 | # define EV_USE_KQUEUE 0 |
|
|
119 | # endif |
123 | # endif |
|
|
124 | # else |
|
|
125 | # undef EV_USE_KQUEUE |
|
|
126 | # define EV_USE_KQUEUE 0 |
120 | # endif |
127 | # endif |
121 | |
128 | |
122 | # ifndef EV_USE_PORT |
|
|
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
129 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
124 | # define EV_USE_PORT 1 |
130 | # ifndef EV_USE_PORT |
125 | # else |
131 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
126 | # define EV_USE_PORT 0 |
|
|
127 | # endif |
132 | # endif |
|
|
133 | # else |
|
|
134 | # undef EV_USE_PORT |
|
|
135 | # define EV_USE_PORT 0 |
128 | # endif |
136 | # endif |
129 | |
137 | |
130 | # ifndef EV_USE_INOTIFY |
|
|
131 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
138 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # define EV_USE_INOTIFY 1 |
139 | # ifndef EV_USE_INOTIFY |
133 | # else |
|
|
134 | # define EV_USE_INOTIFY 0 |
140 | # define EV_USE_INOTIFY EV_FEATURE_OS |
135 | # endif |
141 | # endif |
|
|
142 | # else |
|
|
143 | # undef EV_USE_INOTIFY |
|
|
144 | # define EV_USE_INOTIFY 0 |
136 | # endif |
145 | # endif |
137 | |
146 | |
138 | # ifndef EV_USE_SIGNALFD |
|
|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
147 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
140 | # define EV_USE_SIGNALFD 1 |
148 | # ifndef EV_USE_SIGNALFD |
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
149 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
143 | # endif |
150 | # endif |
|
|
151 | # else |
|
|
152 | # undef EV_USE_SIGNALFD |
|
|
153 | # define EV_USE_SIGNALFD 0 |
144 | # endif |
154 | # endif |
145 | |
155 | |
|
|
156 | # if HAVE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
157 | # ifndef EV_USE_EVENTFD |
147 | # if HAVE_EVENTFD |
|
|
148 | # define EV_USE_EVENTFD 1 |
158 | # define EV_USE_EVENTFD EV_FEATURE_OS |
149 | # else |
|
|
150 | # define EV_USE_EVENTFD 0 |
|
|
151 | # endif |
159 | # endif |
|
|
160 | # else |
|
|
161 | # undef EV_USE_EVENTFD |
|
|
162 | # define EV_USE_EVENTFD 0 |
152 | # endif |
163 | # endif |
153 | |
164 | |
154 | #endif |
165 | #endif |
155 | |
166 | |
156 | #include <math.h> |
|
|
157 | #include <stdlib.h> |
167 | #include <stdlib.h> |
|
|
168 | #include <string.h> |
158 | #include <fcntl.h> |
169 | #include <fcntl.h> |
159 | #include <stddef.h> |
170 | #include <stddef.h> |
160 | |
171 | |
161 | #include <stdio.h> |
172 | #include <stdio.h> |
162 | |
173 | |
163 | #include <assert.h> |
174 | #include <assert.h> |
164 | #include <errno.h> |
175 | #include <errno.h> |
165 | #include <sys/types.h> |
176 | #include <sys/types.h> |
166 | #include <time.h> |
177 | #include <time.h> |
|
|
178 | #include <limits.h> |
167 | |
179 | |
168 | #include <signal.h> |
180 | #include <signal.h> |
169 | |
181 | |
170 | #ifdef EV_H |
182 | #ifdef EV_H |
171 | # include EV_H |
183 | # include EV_H |
172 | #else |
184 | #else |
173 | # include "ev.h" |
185 | # include "ev.h" |
174 | #endif |
186 | #endif |
|
|
187 | |
|
|
188 | EV_CPP(extern "C" {) |
175 | |
189 | |
176 | #ifndef _WIN32 |
190 | #ifndef _WIN32 |
177 | # include <sys/time.h> |
191 | # include <sys/time.h> |
178 | # include <sys/wait.h> |
192 | # include <sys/wait.h> |
179 | # include <unistd.h> |
193 | # include <unistd.h> |
… | |
… | |
182 | # define WIN32_LEAN_AND_MEAN |
196 | # define WIN32_LEAN_AND_MEAN |
183 | # include <windows.h> |
197 | # include <windows.h> |
184 | # ifndef EV_SELECT_IS_WINSOCKET |
198 | # ifndef EV_SELECT_IS_WINSOCKET |
185 | # define EV_SELECT_IS_WINSOCKET 1 |
199 | # define EV_SELECT_IS_WINSOCKET 1 |
186 | # endif |
200 | # endif |
|
|
201 | # undef EV_AVOID_STDIO |
187 | #endif |
202 | #endif |
|
|
203 | |
|
|
204 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
205 | * a limit of 1024 into their select. Where people have brains, |
|
|
206 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
207 | * ordered to have a vacuum, or they do anything for money. |
|
|
208 | * This might help. Or not. |
|
|
209 | */ |
|
|
210 | #define _DARWIN_UNLIMITED_SELECT 1 |
188 | |
211 | |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
212 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
190 | |
213 | |
191 | /* try to deduce the maximum number of signals on this platform */ |
214 | /* try to deduce the maximum number of signals on this platform */ |
192 | #if defined (EV_NSIG) |
215 | #if defined (EV_NSIG) |
… | |
… | |
204 | #elif defined (MAXSIG) |
227 | #elif defined (MAXSIG) |
205 | # define EV_NSIG (MAXSIG+1) |
228 | # define EV_NSIG (MAXSIG+1) |
206 | #elif defined (MAX_SIG) |
229 | #elif defined (MAX_SIG) |
207 | # define EV_NSIG (MAX_SIG+1) |
230 | # define EV_NSIG (MAX_SIG+1) |
208 | #elif defined (SIGARRAYSIZE) |
231 | #elif defined (SIGARRAYSIZE) |
209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
232 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
210 | #elif defined (_sys_nsig) |
233 | #elif defined (_sys_nsig) |
211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
234 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
212 | #else |
235 | #else |
213 | # error "unable to find value for NSIG, please report" |
236 | # error "unable to find value for NSIG, please report" |
214 | /* to make it compile regardless, just remove the above line */ |
237 | /* to make it compile regardless, just remove the above line, */ |
|
|
238 | /* but consider reporting it, too! :) */ |
215 | # define EV_NSIG 65 |
239 | # define EV_NSIG 65 |
|
|
240 | #endif |
|
|
241 | |
|
|
242 | #ifndef EV_USE_FLOOR |
|
|
243 | # define EV_USE_FLOOR 0 |
216 | #endif |
244 | #endif |
217 | |
245 | |
218 | #ifndef EV_USE_CLOCK_SYSCALL |
246 | #ifndef EV_USE_CLOCK_SYSCALL |
219 | # if __linux && __GLIBC__ >= 2 |
247 | # if __linux && __GLIBC__ >= 2 |
220 | # define EV_USE_CLOCK_SYSCALL 1 |
248 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
221 | # else |
249 | # else |
222 | # define EV_USE_CLOCK_SYSCALL 0 |
250 | # define EV_USE_CLOCK_SYSCALL 0 |
223 | # endif |
251 | # endif |
224 | #endif |
252 | #endif |
225 | |
253 | |
226 | #ifndef EV_USE_MONOTONIC |
254 | #ifndef EV_USE_MONOTONIC |
227 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
255 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
228 | # define EV_USE_MONOTONIC 1 |
256 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
229 | # else |
257 | # else |
230 | # define EV_USE_MONOTONIC 0 |
258 | # define EV_USE_MONOTONIC 0 |
231 | # endif |
259 | # endif |
232 | #endif |
260 | #endif |
233 | |
261 | |
… | |
… | |
235 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
263 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
236 | #endif |
264 | #endif |
237 | |
265 | |
238 | #ifndef EV_USE_NANOSLEEP |
266 | #ifndef EV_USE_NANOSLEEP |
239 | # if _POSIX_C_SOURCE >= 199309L |
267 | # if _POSIX_C_SOURCE >= 199309L |
240 | # define EV_USE_NANOSLEEP 1 |
268 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
241 | # else |
269 | # else |
242 | # define EV_USE_NANOSLEEP 0 |
270 | # define EV_USE_NANOSLEEP 0 |
243 | # endif |
271 | # endif |
244 | #endif |
272 | #endif |
245 | |
273 | |
246 | #ifndef EV_USE_SELECT |
274 | #ifndef EV_USE_SELECT |
247 | # define EV_USE_SELECT 1 |
275 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
248 | #endif |
276 | #endif |
249 | |
277 | |
250 | #ifndef EV_USE_POLL |
278 | #ifndef EV_USE_POLL |
251 | # ifdef _WIN32 |
279 | # ifdef _WIN32 |
252 | # define EV_USE_POLL 0 |
280 | # define EV_USE_POLL 0 |
253 | # else |
281 | # else |
254 | # define EV_USE_POLL 1 |
282 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
255 | # endif |
283 | # endif |
256 | #endif |
284 | #endif |
257 | |
285 | |
258 | #ifndef EV_USE_EPOLL |
286 | #ifndef EV_USE_EPOLL |
259 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
287 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
260 | # define EV_USE_EPOLL 1 |
288 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
261 | # else |
289 | # else |
262 | # define EV_USE_EPOLL 0 |
290 | # define EV_USE_EPOLL 0 |
263 | # endif |
291 | # endif |
264 | #endif |
292 | #endif |
265 | |
293 | |
… | |
… | |
271 | # define EV_USE_PORT 0 |
299 | # define EV_USE_PORT 0 |
272 | #endif |
300 | #endif |
273 | |
301 | |
274 | #ifndef EV_USE_INOTIFY |
302 | #ifndef EV_USE_INOTIFY |
275 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
303 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
276 | # define EV_USE_INOTIFY 1 |
304 | # define EV_USE_INOTIFY EV_FEATURE_OS |
277 | # else |
305 | # else |
278 | # define EV_USE_INOTIFY 0 |
306 | # define EV_USE_INOTIFY 0 |
279 | # endif |
307 | # endif |
280 | #endif |
308 | #endif |
281 | |
309 | |
282 | #ifndef EV_PID_HASHSIZE |
310 | #ifndef EV_PID_HASHSIZE |
283 | # if EV_MINIMAL |
311 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
284 | # define EV_PID_HASHSIZE 1 |
|
|
285 | # else |
|
|
286 | # define EV_PID_HASHSIZE 16 |
|
|
287 | # endif |
|
|
288 | #endif |
312 | #endif |
289 | |
313 | |
290 | #ifndef EV_INOTIFY_HASHSIZE |
314 | #ifndef EV_INOTIFY_HASHSIZE |
291 | # if EV_MINIMAL |
315 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
292 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
293 | # else |
|
|
294 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
295 | # endif |
|
|
296 | #endif |
316 | #endif |
297 | |
317 | |
298 | #ifndef EV_USE_EVENTFD |
318 | #ifndef EV_USE_EVENTFD |
299 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
319 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
300 | # define EV_USE_EVENTFD 1 |
320 | # define EV_USE_EVENTFD EV_FEATURE_OS |
301 | # else |
321 | # else |
302 | # define EV_USE_EVENTFD 0 |
322 | # define EV_USE_EVENTFD 0 |
303 | # endif |
323 | # endif |
304 | #endif |
324 | #endif |
305 | |
325 | |
306 | #ifndef EV_USE_SIGNALFD |
326 | #ifndef EV_USE_SIGNALFD |
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
327 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
308 | # define EV_USE_SIGNALFD 1 |
328 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
309 | # else |
329 | # else |
310 | # define EV_USE_SIGNALFD 0 |
330 | # define EV_USE_SIGNALFD 0 |
311 | # endif |
331 | # endif |
312 | #endif |
332 | #endif |
313 | |
333 | |
… | |
… | |
316 | # define EV_USE_4HEAP 1 |
336 | # define EV_USE_4HEAP 1 |
317 | # define EV_HEAP_CACHE_AT 1 |
337 | # define EV_HEAP_CACHE_AT 1 |
318 | #endif |
338 | #endif |
319 | |
339 | |
320 | #ifndef EV_VERIFY |
340 | #ifndef EV_VERIFY |
321 | # define EV_VERIFY !EV_MINIMAL |
341 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
322 | #endif |
342 | #endif |
323 | |
343 | |
324 | #ifndef EV_USE_4HEAP |
344 | #ifndef EV_USE_4HEAP |
325 | # define EV_USE_4HEAP !EV_MINIMAL |
345 | # define EV_USE_4HEAP EV_FEATURE_DATA |
326 | #endif |
346 | #endif |
327 | |
347 | |
328 | #ifndef EV_HEAP_CACHE_AT |
348 | #ifndef EV_HEAP_CACHE_AT |
329 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
349 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
330 | #endif |
350 | #endif |
331 | |
351 | |
332 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
352 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
333 | /* which makes programs even slower. might work on other unices, too. */ |
353 | /* which makes programs even slower. might work on other unices, too. */ |
334 | #if EV_USE_CLOCK_SYSCALL |
354 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
343 | # endif |
363 | # endif |
344 | #endif |
364 | #endif |
345 | |
365 | |
346 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
366 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
347 | |
367 | |
|
|
368 | #ifdef _AIX |
|
|
369 | /* AIX has a completely broken poll.h header */ |
|
|
370 | # undef EV_USE_POLL |
|
|
371 | # define EV_USE_POLL 0 |
|
|
372 | #endif |
|
|
373 | |
348 | #ifndef CLOCK_MONOTONIC |
374 | #ifndef CLOCK_MONOTONIC |
349 | # undef EV_USE_MONOTONIC |
375 | # undef EV_USE_MONOTONIC |
350 | # define EV_USE_MONOTONIC 0 |
376 | # define EV_USE_MONOTONIC 0 |
351 | #endif |
377 | #endif |
352 | |
378 | |
… | |
… | |
359 | # undef EV_USE_INOTIFY |
385 | # undef EV_USE_INOTIFY |
360 | # define EV_USE_INOTIFY 0 |
386 | # define EV_USE_INOTIFY 0 |
361 | #endif |
387 | #endif |
362 | |
388 | |
363 | #if !EV_USE_NANOSLEEP |
389 | #if !EV_USE_NANOSLEEP |
364 | # ifndef _WIN32 |
390 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
|
|
391 | # if !defined(_WIN32) && !defined(__hpux) |
365 | # include <sys/select.h> |
392 | # include <sys/select.h> |
366 | # endif |
393 | # endif |
367 | #endif |
394 | #endif |
368 | |
395 | |
369 | #if EV_USE_INOTIFY |
396 | #if EV_USE_INOTIFY |
370 | # include <sys/utsname.h> |
|
|
371 | # include <sys/statfs.h> |
397 | # include <sys/statfs.h> |
372 | # include <sys/inotify.h> |
398 | # include <sys/inotify.h> |
373 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
399 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
374 | # ifndef IN_DONT_FOLLOW |
400 | # ifndef IN_DONT_FOLLOW |
375 | # undef EV_USE_INOTIFY |
401 | # undef EV_USE_INOTIFY |
… | |
… | |
392 | # define EFD_CLOEXEC O_CLOEXEC |
418 | # define EFD_CLOEXEC O_CLOEXEC |
393 | # else |
419 | # else |
394 | # define EFD_CLOEXEC 02000000 |
420 | # define EFD_CLOEXEC 02000000 |
395 | # endif |
421 | # endif |
396 | # endif |
422 | # endif |
397 | # ifdef __cplusplus |
423 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
398 | extern "C" { |
424 | #endif |
|
|
425 | |
|
|
426 | #if EV_USE_SIGNALFD |
|
|
427 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
428 | # include <stdint.h> |
|
|
429 | # ifndef SFD_NONBLOCK |
|
|
430 | # define SFD_NONBLOCK O_NONBLOCK |
399 | # endif |
431 | # endif |
400 | int eventfd (unsigned int initval, int flags); |
432 | # ifndef SFD_CLOEXEC |
401 | # ifdef __cplusplus |
433 | # ifdef O_CLOEXEC |
402 | } |
434 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
435 | # else |
|
|
436 | # define SFD_CLOEXEC 02000000 |
|
|
437 | # endif |
403 | # endif |
438 | # endif |
404 | #endif |
439 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
405 | |
440 | |
406 | #if EV_USE_SIGNALFD |
441 | struct signalfd_siginfo |
407 | # include <sys/signalfd.h> |
442 | { |
|
|
443 | uint32_t ssi_signo; |
|
|
444 | char pad[128 - sizeof (uint32_t)]; |
|
|
445 | }; |
408 | #endif |
446 | #endif |
409 | |
447 | |
410 | /**/ |
448 | /**/ |
411 | |
449 | |
412 | #if EV_VERIFY >= 3 |
450 | #if EV_VERIFY >= 3 |
413 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
451 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
414 | #else |
452 | #else |
415 | # define EV_FREQUENT_CHECK do { } while (0) |
453 | # define EV_FREQUENT_CHECK do { } while (0) |
416 | #endif |
454 | #endif |
417 | |
455 | |
418 | /* |
456 | /* |
419 | * This is used to avoid floating point rounding problems. |
457 | * This is used to work around floating point rounding problems. |
420 | * It is added to ev_rt_now when scheduling periodics |
|
|
421 | * to ensure progress, time-wise, even when rounding |
|
|
422 | * errors are against us. |
|
|
423 | * This value is good at least till the year 4000. |
458 | * This value is good at least till the year 4000. |
424 | * Better solutions welcome. |
|
|
425 | */ |
459 | */ |
426 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
460 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
|
|
461 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
427 | |
462 | |
428 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
463 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
429 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
464 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
430 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
|
|
431 | |
465 | |
|
|
466 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
467 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
468 | |
|
|
469 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
|
|
470 | /* ECB.H BEGIN */ |
|
|
471 | /* |
|
|
472 | * libecb - http://software.schmorp.de/pkg/libecb |
|
|
473 | * |
|
|
474 | * Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de> |
|
|
475 | * Copyright (©) 2011 Emanuele Giaquinta |
|
|
476 | * All rights reserved. |
|
|
477 | * |
|
|
478 | * Redistribution and use in source and binary forms, with or without modifica- |
|
|
479 | * tion, are permitted provided that the following conditions are met: |
|
|
480 | * |
|
|
481 | * 1. Redistributions of source code must retain the above copyright notice, |
|
|
482 | * this list of conditions and the following disclaimer. |
|
|
483 | * |
|
|
484 | * 2. Redistributions in binary form must reproduce the above copyright |
|
|
485 | * notice, this list of conditions and the following disclaimer in the |
|
|
486 | * documentation and/or other materials provided with the distribution. |
|
|
487 | * |
|
|
488 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
|
|
489 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
|
|
490 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
|
|
491 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
|
|
492 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
|
|
493 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
|
|
494 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
|
|
495 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
|
|
496 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
|
|
497 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
498 | */ |
|
|
499 | |
|
|
500 | #ifndef ECB_H |
|
|
501 | #define ECB_H |
|
|
502 | |
|
|
503 | #ifdef _WIN32 |
|
|
504 | typedef signed char int8_t; |
|
|
505 | typedef unsigned char uint8_t; |
|
|
506 | typedef signed short int16_t; |
|
|
507 | typedef unsigned short uint16_t; |
|
|
508 | typedef signed int int32_t; |
|
|
509 | typedef unsigned int uint32_t; |
432 | #if __GNUC__ >= 4 |
510 | #if __GNUC__ |
433 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
511 | typedef signed long long int64_t; |
434 | # define noinline __attribute__ ((noinline)) |
512 | typedef unsigned long long uint64_t; |
|
|
513 | #else /* _MSC_VER || __BORLANDC__ */ |
|
|
514 | typedef signed __int64 int64_t; |
|
|
515 | typedef unsigned __int64 uint64_t; |
|
|
516 | #endif |
435 | #else |
517 | #else |
436 | # define expect(expr,value) (expr) |
518 | #include <inttypes.h> |
437 | # define noinline |
|
|
438 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
|
|
439 | # define inline |
|
|
440 | # endif |
519 | #endif |
|
|
520 | |
|
|
521 | /* many compilers define _GNUC_ to some versions but then only implement |
|
|
522 | * what their idiot authors think are the "more important" extensions, |
|
|
523 | * causing enormous grief in return for some better fake benchmark numbers. |
|
|
524 | * or so. |
|
|
525 | * we try to detect these and simply assume they are not gcc - if they have |
|
|
526 | * an issue with that they should have done it right in the first place. |
|
|
527 | */ |
|
|
528 | #ifndef ECB_GCC_VERSION |
|
|
529 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
|
|
530 | #define ECB_GCC_VERSION(major,minor) 0 |
|
|
531 | #else |
|
|
532 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
441 | #endif |
533 | #endif |
|
|
534 | #endif |
442 | |
535 | |
|
|
536 | /*****************************************************************************/ |
|
|
537 | |
|
|
538 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
|
|
539 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
|
|
540 | |
|
|
541 | #if ECB_NO_THREADS || ECB_NO_SMP |
|
|
542 | #define ECB_MEMORY_FENCE do { } while (0) |
|
|
543 | #endif |
|
|
544 | |
|
|
545 | #ifndef ECB_MEMORY_FENCE |
|
|
546 | #if ECB_GCC_VERSION(2,5) |
|
|
547 | #if __i386__ |
|
|
548 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
|
|
549 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
|
|
550 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
|
|
551 | #elif __amd64 |
|
|
552 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
|
|
553 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
|
|
554 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
|
|
555 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
|
|
556 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
557 | #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ |
|
|
558 | || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) |
|
|
559 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
|
|
560 | #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ |
|
|
561 | || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) |
|
|
562 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
563 | #endif |
|
|
564 | #endif |
|
|
565 | #endif |
|
|
566 | |
|
|
567 | #ifndef ECB_MEMORY_FENCE |
|
|
568 | #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) |
|
|
569 | #define ECB_MEMORY_FENCE __sync_synchronize () |
|
|
570 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
|
|
571 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
|
|
572 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
|
|
573 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
574 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
|
|
575 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
576 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
|
|
577 | #elif defined(_WIN32) |
|
|
578 | #include <WinNT.h> |
|
|
579 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
|
|
580 | #endif |
|
|
581 | #endif |
|
|
582 | |
|
|
583 | #ifndef ECB_MEMORY_FENCE |
|
|
584 | #if !ECB_AVOID_PTHREADS |
|
|
585 | /* |
|
|
586 | * if you get undefined symbol references to pthread_mutex_lock, |
|
|
587 | * or failure to find pthread.h, then you should implement |
|
|
588 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
|
|
589 | * OR provide pthread.h and link against the posix thread library |
|
|
590 | * of your system. |
|
|
591 | */ |
|
|
592 | #include <pthread.h> |
|
|
593 | #define ECB_NEEDS_PTHREADS 1 |
|
|
594 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
|
|
595 | |
|
|
596 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
|
|
597 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
|
|
598 | #endif |
|
|
599 | #endif |
|
|
600 | |
|
|
601 | #if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) |
|
|
602 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
603 | #endif |
|
|
604 | |
|
|
605 | #if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) |
|
|
606 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
607 | #endif |
|
|
608 | |
|
|
609 | /*****************************************************************************/ |
|
|
610 | |
|
|
611 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
612 | |
|
|
613 | #if __cplusplus |
|
|
614 | #define ecb_inline static inline |
|
|
615 | #elif ECB_GCC_VERSION(2,5) |
|
|
616 | #define ecb_inline static __inline__ |
|
|
617 | #elif ECB_C99 |
|
|
618 | #define ecb_inline static inline |
|
|
619 | #else |
|
|
620 | #define ecb_inline static |
|
|
621 | #endif |
|
|
622 | |
|
|
623 | #if ECB_GCC_VERSION(3,3) |
|
|
624 | #define ecb_restrict __restrict__ |
|
|
625 | #elif ECB_C99 |
|
|
626 | #define ecb_restrict restrict |
|
|
627 | #else |
|
|
628 | #define ecb_restrict |
|
|
629 | #endif |
|
|
630 | |
|
|
631 | typedef int ecb_bool; |
|
|
632 | |
|
|
633 | #define ECB_CONCAT_(a, b) a ## b |
|
|
634 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
|
|
635 | #define ECB_STRINGIFY_(a) # a |
|
|
636 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
637 | |
|
|
638 | #define ecb_function_ ecb_inline |
|
|
639 | |
|
|
640 | #if ECB_GCC_VERSION(3,1) |
|
|
641 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
|
|
642 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
643 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
644 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
645 | #else |
|
|
646 | #define ecb_attribute(attrlist) |
|
|
647 | #define ecb_is_constant(expr) 0 |
|
|
648 | #define ecb_expect(expr,value) (expr) |
|
|
649 | #define ecb_prefetch(addr,rw,locality) |
|
|
650 | #endif |
|
|
651 | |
|
|
652 | /* no emulation for ecb_decltype */ |
|
|
653 | #if ECB_GCC_VERSION(4,5) |
|
|
654 | #define ecb_decltype(x) __decltype(x) |
|
|
655 | #elif ECB_GCC_VERSION(3,0) |
|
|
656 | #define ecb_decltype(x) __typeof(x) |
|
|
657 | #endif |
|
|
658 | |
|
|
659 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
660 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
661 | #define ecb_unused ecb_attribute ((__unused__)) |
|
|
662 | #define ecb_const ecb_attribute ((__const__)) |
|
|
663 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
664 | |
|
|
665 | #if ECB_GCC_VERSION(4,3) |
|
|
666 | #define ecb_artificial ecb_attribute ((__artificial__)) |
|
|
667 | #define ecb_hot ecb_attribute ((__hot__)) |
|
|
668 | #define ecb_cold ecb_attribute ((__cold__)) |
|
|
669 | #else |
|
|
670 | #define ecb_artificial |
|
|
671 | #define ecb_hot |
|
|
672 | #define ecb_cold |
|
|
673 | #endif |
|
|
674 | |
|
|
675 | /* put around conditional expressions if you are very sure that the */ |
|
|
676 | /* expression is mostly true or mostly false. note that these return */ |
|
|
677 | /* booleans, not the expression. */ |
443 | #define expect_false(expr) expect ((expr) != 0, 0) |
678 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
444 | #define expect_true(expr) expect ((expr) != 0, 1) |
679 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
|
|
680 | /* for compatibility to the rest of the world */ |
|
|
681 | #define ecb_likely(expr) ecb_expect_true (expr) |
|
|
682 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
|
|
683 | |
|
|
684 | /* count trailing zero bits and count # of one bits */ |
|
|
685 | #if ECB_GCC_VERSION(3,4) |
|
|
686 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
|
|
687 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
|
|
688 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
|
|
689 | #define ecb_ctz32(x) __builtin_ctz (x) |
|
|
690 | #define ecb_ctz64(x) __builtin_ctzll (x) |
|
|
691 | #define ecb_popcount32(x) __builtin_popcount (x) |
|
|
692 | /* no popcountll */ |
|
|
693 | #else |
|
|
694 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
|
|
695 | ecb_function_ int |
|
|
696 | ecb_ctz32 (uint32_t x) |
|
|
697 | { |
|
|
698 | int r = 0; |
|
|
699 | |
|
|
700 | x &= ~x + 1; /* this isolates the lowest bit */ |
|
|
701 | |
|
|
702 | #if ECB_branchless_on_i386 |
|
|
703 | r += !!(x & 0xaaaaaaaa) << 0; |
|
|
704 | r += !!(x & 0xcccccccc) << 1; |
|
|
705 | r += !!(x & 0xf0f0f0f0) << 2; |
|
|
706 | r += !!(x & 0xff00ff00) << 3; |
|
|
707 | r += !!(x & 0xffff0000) << 4; |
|
|
708 | #else |
|
|
709 | if (x & 0xaaaaaaaa) r += 1; |
|
|
710 | if (x & 0xcccccccc) r += 2; |
|
|
711 | if (x & 0xf0f0f0f0) r += 4; |
|
|
712 | if (x & 0xff00ff00) r += 8; |
|
|
713 | if (x & 0xffff0000) r += 16; |
|
|
714 | #endif |
|
|
715 | |
|
|
716 | return r; |
|
|
717 | } |
|
|
718 | |
|
|
719 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
|
|
720 | ecb_function_ int |
|
|
721 | ecb_ctz64 (uint64_t x) |
|
|
722 | { |
|
|
723 | int shift = x & 0xffffffffU ? 0 : 32; |
|
|
724 | return ecb_ctz32 (x >> shift) + shift; |
|
|
725 | } |
|
|
726 | |
|
|
727 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
|
|
728 | ecb_function_ int |
|
|
729 | ecb_popcount32 (uint32_t x) |
|
|
730 | { |
|
|
731 | x -= (x >> 1) & 0x55555555; |
|
|
732 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
|
|
733 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
|
|
734 | x *= 0x01010101; |
|
|
735 | |
|
|
736 | return x >> 24; |
|
|
737 | } |
|
|
738 | |
|
|
739 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
|
|
740 | ecb_function_ int ecb_ld32 (uint32_t x) |
|
|
741 | { |
|
|
742 | int r = 0; |
|
|
743 | |
|
|
744 | if (x >> 16) { x >>= 16; r += 16; } |
|
|
745 | if (x >> 8) { x >>= 8; r += 8; } |
|
|
746 | if (x >> 4) { x >>= 4; r += 4; } |
|
|
747 | if (x >> 2) { x >>= 2; r += 2; } |
|
|
748 | if (x >> 1) { r += 1; } |
|
|
749 | |
|
|
750 | return r; |
|
|
751 | } |
|
|
752 | |
|
|
753 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
|
|
754 | ecb_function_ int ecb_ld64 (uint64_t x) |
|
|
755 | { |
|
|
756 | int r = 0; |
|
|
757 | |
|
|
758 | if (x >> 32) { x >>= 32; r += 32; } |
|
|
759 | |
|
|
760 | return r + ecb_ld32 (x); |
|
|
761 | } |
|
|
762 | #endif |
|
|
763 | |
|
|
764 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
|
|
765 | /* so for this version we are lazy */ |
|
|
766 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
|
|
767 | ecb_function_ int |
|
|
768 | ecb_popcount64 (uint64_t x) |
|
|
769 | { |
|
|
770 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
|
|
771 | } |
|
|
772 | |
|
|
773 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
|
|
774 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
|
|
775 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
|
|
776 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
|
|
777 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
|
|
778 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
|
|
779 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
|
|
780 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
|
|
781 | |
|
|
782 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
|
|
783 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
|
|
784 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
|
|
785 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
|
|
786 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
|
|
787 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
|
|
788 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
|
|
789 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
|
|
790 | |
|
|
791 | #if ECB_GCC_VERSION(4,3) |
|
|
792 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
793 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
|
|
794 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
795 | #else |
|
|
796 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
|
|
797 | ecb_function_ uint16_t |
|
|
798 | ecb_bswap16 (uint16_t x) |
|
|
799 | { |
|
|
800 | return ecb_rotl16 (x, 8); |
|
|
801 | } |
|
|
802 | |
|
|
803 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
|
|
804 | ecb_function_ uint32_t |
|
|
805 | ecb_bswap32 (uint32_t x) |
|
|
806 | { |
|
|
807 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
|
|
808 | } |
|
|
809 | |
|
|
810 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
|
|
811 | ecb_function_ uint64_t |
|
|
812 | ecb_bswap64 (uint64_t x) |
|
|
813 | { |
|
|
814 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
|
|
815 | } |
|
|
816 | #endif |
|
|
817 | |
|
|
818 | #if ECB_GCC_VERSION(4,5) |
|
|
819 | #define ecb_unreachable() __builtin_unreachable () |
|
|
820 | #else |
|
|
821 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
|
|
822 | ecb_function_ void ecb_unreachable (void) ecb_noreturn; |
|
|
823 | ecb_function_ void ecb_unreachable (void) { } |
|
|
824 | #endif |
|
|
825 | |
|
|
826 | /* try to tell the compiler that some condition is definitely true */ |
|
|
827 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
|
|
828 | |
|
|
829 | ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; |
|
|
830 | ecb_function_ unsigned char |
|
|
831 | ecb_byteorder_helper (void) |
|
|
832 | { |
|
|
833 | const uint32_t u = 0x11223344; |
|
|
834 | return *(unsigned char *)&u; |
|
|
835 | } |
|
|
836 | |
|
|
837 | ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; |
|
|
838 | ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
|
|
839 | ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; |
|
|
840 | ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
|
|
841 | |
|
|
842 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
|
|
843 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
|
|
844 | #else |
|
|
845 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
|
|
846 | #endif |
|
|
847 | |
|
|
848 | #if ecb_cplusplus_does_not_suck |
|
|
849 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
|
|
850 | template<typename T, int N> |
|
|
851 | static inline int ecb_array_length (const T (&arr)[N]) |
|
|
852 | { |
|
|
853 | return N; |
|
|
854 | } |
|
|
855 | #else |
|
|
856 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
|
|
857 | #endif |
|
|
858 | |
|
|
859 | #endif |
|
|
860 | |
|
|
861 | /* ECB.H END */ |
|
|
862 | |
|
|
863 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
864 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
865 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
866 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
|
|
867 | * libev, in which casess the memory fences become nops. |
|
|
868 | * alternatively, you can remove this #error and link against libpthread, |
|
|
869 | * which will then provide the memory fences. |
|
|
870 | */ |
|
|
871 | # error "memory fences not defined for your architecture, please report" |
|
|
872 | #endif |
|
|
873 | |
|
|
874 | #ifndef ECB_MEMORY_FENCE |
|
|
875 | # define ECB_MEMORY_FENCE do { } while (0) |
|
|
876 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
877 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
878 | #endif |
|
|
879 | |
|
|
880 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
881 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
882 | #define noinline ecb_noinline |
|
|
883 | |
445 | #define inline_size static inline |
884 | #define inline_size ecb_inline |
446 | |
885 | |
447 | #if EV_MINIMAL |
886 | #if EV_FEATURE_CODE |
|
|
887 | # define inline_speed ecb_inline |
|
|
888 | #else |
448 | # define inline_speed static noinline |
889 | # define inline_speed static noinline |
449 | #else |
|
|
450 | # define inline_speed static inline |
|
|
451 | #endif |
890 | #endif |
452 | |
891 | |
453 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
892 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
454 | |
893 | |
455 | #if EV_MINPRI == EV_MAXPRI |
894 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
468 | #define ev_active(w) ((W)(w))->active |
907 | #define ev_active(w) ((W)(w))->active |
469 | #define ev_at(w) ((WT)(w))->at |
908 | #define ev_at(w) ((WT)(w))->at |
470 | |
909 | |
471 | #if EV_USE_REALTIME |
910 | #if EV_USE_REALTIME |
472 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
911 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
473 | /* giving it a reasonably high chance of working on typical architetcures */ |
912 | /* giving it a reasonably high chance of working on typical architectures */ |
474 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
913 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
475 | #endif |
914 | #endif |
476 | |
915 | |
477 | #if EV_USE_MONOTONIC |
916 | #if EV_USE_MONOTONIC |
478 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
917 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
479 | #endif |
918 | #endif |
480 | |
919 | |
|
|
920 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
921 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
922 | #endif |
|
|
923 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
924 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
925 | #endif |
|
|
926 | #ifndef EV_WIN32_CLOSE_FD |
|
|
927 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
|
|
928 | #endif |
|
|
929 | |
481 | #ifdef _WIN32 |
930 | #ifdef _WIN32 |
482 | # include "ev_win32.c" |
931 | # include "ev_win32.c" |
483 | #endif |
932 | #endif |
484 | |
933 | |
485 | /*****************************************************************************/ |
934 | /*****************************************************************************/ |
486 | |
935 | |
|
|
936 | /* define a suitable floor function (only used by periodics atm) */ |
|
|
937 | |
|
|
938 | #if EV_USE_FLOOR |
|
|
939 | # include <math.h> |
|
|
940 | # define ev_floor(v) floor (v) |
|
|
941 | #else |
|
|
942 | |
|
|
943 | #include <float.h> |
|
|
944 | |
|
|
945 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
946 | static ev_tstamp noinline |
|
|
947 | ev_floor (ev_tstamp v) |
|
|
948 | { |
|
|
949 | /* the choice of shift factor is not terribly important */ |
|
|
950 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
|
|
951 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
|
|
952 | #else |
|
|
953 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
|
|
954 | #endif |
|
|
955 | |
|
|
956 | /* argument too large for an unsigned long? */ |
|
|
957 | if (expect_false (v >= shift)) |
|
|
958 | { |
|
|
959 | ev_tstamp f; |
|
|
960 | |
|
|
961 | if (v == v - 1.) |
|
|
962 | return v; /* very large number */ |
|
|
963 | |
|
|
964 | f = shift * ev_floor (v * (1. / shift)); |
|
|
965 | return f + ev_floor (v - f); |
|
|
966 | } |
|
|
967 | |
|
|
968 | /* special treatment for negative args? */ |
|
|
969 | if (expect_false (v < 0.)) |
|
|
970 | { |
|
|
971 | ev_tstamp f = -ev_floor (-v); |
|
|
972 | |
|
|
973 | return f - (f == v ? 0 : 1); |
|
|
974 | } |
|
|
975 | |
|
|
976 | /* fits into an unsigned long */ |
|
|
977 | return (unsigned long)v; |
|
|
978 | } |
|
|
979 | |
|
|
980 | #endif |
|
|
981 | |
|
|
982 | /*****************************************************************************/ |
|
|
983 | |
|
|
984 | #ifdef __linux |
|
|
985 | # include <sys/utsname.h> |
|
|
986 | #endif |
|
|
987 | |
|
|
988 | static unsigned int noinline ecb_cold |
|
|
989 | ev_linux_version (void) |
|
|
990 | { |
|
|
991 | #ifdef __linux |
|
|
992 | unsigned int v = 0; |
|
|
993 | struct utsname buf; |
|
|
994 | int i; |
|
|
995 | char *p = buf.release; |
|
|
996 | |
|
|
997 | if (uname (&buf)) |
|
|
998 | return 0; |
|
|
999 | |
|
|
1000 | for (i = 3+1; --i; ) |
|
|
1001 | { |
|
|
1002 | unsigned int c = 0; |
|
|
1003 | |
|
|
1004 | for (;;) |
|
|
1005 | { |
|
|
1006 | if (*p >= '0' && *p <= '9') |
|
|
1007 | c = c * 10 + *p++ - '0'; |
|
|
1008 | else |
|
|
1009 | { |
|
|
1010 | p += *p == '.'; |
|
|
1011 | break; |
|
|
1012 | } |
|
|
1013 | } |
|
|
1014 | |
|
|
1015 | v = (v << 8) | c; |
|
|
1016 | } |
|
|
1017 | |
|
|
1018 | return v; |
|
|
1019 | #else |
|
|
1020 | return 0; |
|
|
1021 | #endif |
|
|
1022 | } |
|
|
1023 | |
|
|
1024 | /*****************************************************************************/ |
|
|
1025 | |
|
|
1026 | #if EV_AVOID_STDIO |
|
|
1027 | static void noinline ecb_cold |
|
|
1028 | ev_printerr (const char *msg) |
|
|
1029 | { |
|
|
1030 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
1031 | } |
|
|
1032 | #endif |
|
|
1033 | |
487 | static void (*syserr_cb)(const char *msg); |
1034 | static void (*syserr_cb)(const char *msg); |
488 | |
1035 | |
489 | void |
1036 | void ecb_cold |
490 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1037 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
491 | { |
1038 | { |
492 | syserr_cb = cb; |
1039 | syserr_cb = cb; |
493 | } |
1040 | } |
494 | |
1041 | |
495 | static void noinline |
1042 | static void noinline ecb_cold |
496 | ev_syserr (const char *msg) |
1043 | ev_syserr (const char *msg) |
497 | { |
1044 | { |
498 | if (!msg) |
1045 | if (!msg) |
499 | msg = "(libev) system error"; |
1046 | msg = "(libev) system error"; |
500 | |
1047 | |
501 | if (syserr_cb) |
1048 | if (syserr_cb) |
502 | syserr_cb (msg); |
1049 | syserr_cb (msg); |
503 | else |
1050 | else |
504 | { |
1051 | { |
|
|
1052 | #if EV_AVOID_STDIO |
|
|
1053 | ev_printerr (msg); |
|
|
1054 | ev_printerr (": "); |
|
|
1055 | ev_printerr (strerror (errno)); |
|
|
1056 | ev_printerr ("\n"); |
|
|
1057 | #else |
505 | perror (msg); |
1058 | perror (msg); |
|
|
1059 | #endif |
506 | abort (); |
1060 | abort (); |
507 | } |
1061 | } |
508 | } |
1062 | } |
509 | |
1063 | |
510 | static void * |
1064 | static void * |
511 | ev_realloc_emul (void *ptr, long size) |
1065 | ev_realloc_emul (void *ptr, long size) |
512 | { |
1066 | { |
|
|
1067 | #if __GLIBC__ |
|
|
1068 | return realloc (ptr, size); |
|
|
1069 | #else |
513 | /* some systems, notably openbsd and darwin, fail to properly |
1070 | /* some systems, notably openbsd and darwin, fail to properly |
514 | * implement realloc (x, 0) (as required by both ansi c-98 and |
1071 | * implement realloc (x, 0) (as required by both ansi c-89 and |
515 | * the single unix specification, so work around them here. |
1072 | * the single unix specification, so work around them here. |
516 | */ |
1073 | */ |
517 | |
1074 | |
518 | if (size) |
1075 | if (size) |
519 | return realloc (ptr, size); |
1076 | return realloc (ptr, size); |
520 | |
1077 | |
521 | free (ptr); |
1078 | free (ptr); |
522 | return 0; |
1079 | return 0; |
|
|
1080 | #endif |
523 | } |
1081 | } |
524 | |
1082 | |
525 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1083 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
526 | |
1084 | |
527 | void |
1085 | void ecb_cold |
528 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1086 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
529 | { |
1087 | { |
530 | alloc = cb; |
1088 | alloc = cb; |
531 | } |
1089 | } |
532 | |
1090 | |
… | |
… | |
535 | { |
1093 | { |
536 | ptr = alloc (ptr, size); |
1094 | ptr = alloc (ptr, size); |
537 | |
1095 | |
538 | if (!ptr && size) |
1096 | if (!ptr && size) |
539 | { |
1097 | { |
|
|
1098 | #if EV_AVOID_STDIO |
|
|
1099 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
|
|
1100 | #else |
540 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
1101 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
|
|
1102 | #endif |
541 | abort (); |
1103 | abort (); |
542 | } |
1104 | } |
543 | |
1105 | |
544 | return ptr; |
1106 | return ptr; |
545 | } |
1107 | } |
… | |
… | |
561 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1123 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
562 | unsigned char unused; |
1124 | unsigned char unused; |
563 | #if EV_USE_EPOLL |
1125 | #if EV_USE_EPOLL |
564 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1126 | unsigned int egen; /* generation counter to counter epoll bugs */ |
565 | #endif |
1127 | #endif |
566 | #if EV_SELECT_IS_WINSOCKET |
1128 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
567 | SOCKET handle; |
1129 | SOCKET handle; |
|
|
1130 | #endif |
|
|
1131 | #if EV_USE_IOCP |
|
|
1132 | OVERLAPPED or, ow; |
568 | #endif |
1133 | #endif |
569 | } ANFD; |
1134 | } ANFD; |
570 | |
1135 | |
571 | /* stores the pending event set for a given watcher */ |
1136 | /* stores the pending event set for a given watcher */ |
572 | typedef struct |
1137 | typedef struct |
… | |
… | |
627 | |
1192 | |
628 | static int ev_default_loop_ptr; |
1193 | static int ev_default_loop_ptr; |
629 | |
1194 | |
630 | #endif |
1195 | #endif |
631 | |
1196 | |
632 | #if EV_MINIMAL < 2 |
1197 | #if EV_FEATURE_API |
633 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
1198 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
634 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
1199 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
635 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1200 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
636 | #else |
1201 | #else |
637 | # define EV_RELEASE_CB (void)0 |
1202 | # define EV_RELEASE_CB (void)0 |
638 | # define EV_ACQUIRE_CB (void)0 |
1203 | # define EV_ACQUIRE_CB (void)0 |
639 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
1204 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
640 | #endif |
1205 | #endif |
641 | |
1206 | |
642 | #define EVUNLOOP_RECURSE 0x80 |
1207 | #define EVBREAK_RECURSE 0x80 |
643 | |
1208 | |
644 | /*****************************************************************************/ |
1209 | /*****************************************************************************/ |
645 | |
1210 | |
646 | #ifndef EV_HAVE_EV_TIME |
1211 | #ifndef EV_HAVE_EV_TIME |
647 | ev_tstamp |
1212 | ev_tstamp |
… | |
… | |
691 | if (delay > 0.) |
1256 | if (delay > 0.) |
692 | { |
1257 | { |
693 | #if EV_USE_NANOSLEEP |
1258 | #if EV_USE_NANOSLEEP |
694 | struct timespec ts; |
1259 | struct timespec ts; |
695 | |
1260 | |
696 | ts.tv_sec = (time_t)delay; |
1261 | EV_TS_SET (ts, delay); |
697 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
698 | |
|
|
699 | nanosleep (&ts, 0); |
1262 | nanosleep (&ts, 0); |
700 | #elif defined(_WIN32) |
1263 | #elif defined(_WIN32) |
701 | Sleep ((unsigned long)(delay * 1e3)); |
1264 | Sleep ((unsigned long)(delay * 1e3)); |
702 | #else |
1265 | #else |
703 | struct timeval tv; |
1266 | struct timeval tv; |
704 | |
1267 | |
705 | tv.tv_sec = (time_t)delay; |
|
|
706 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
707 | |
|
|
708 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1268 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
709 | /* something not guaranteed by newer posix versions, but guaranteed */ |
1269 | /* something not guaranteed by newer posix versions, but guaranteed */ |
710 | /* by older ones */ |
1270 | /* by older ones */ |
|
|
1271 | EV_TV_SET (tv, delay); |
711 | select (0, 0, 0, 0, &tv); |
1272 | select (0, 0, 0, 0, &tv); |
712 | #endif |
1273 | #endif |
713 | } |
1274 | } |
714 | } |
1275 | } |
715 | |
1276 | |
716 | /*****************************************************************************/ |
1277 | /*****************************************************************************/ |
717 | |
1278 | |
718 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
1279 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
719 | |
1280 | |
720 | /* find a suitable new size for the given array, */ |
1281 | /* find a suitable new size for the given array, */ |
721 | /* hopefully by rounding to a ncie-to-malloc size */ |
1282 | /* hopefully by rounding to a nice-to-malloc size */ |
722 | inline_size int |
1283 | inline_size int |
723 | array_nextsize (int elem, int cur, int cnt) |
1284 | array_nextsize (int elem, int cur, int cnt) |
724 | { |
1285 | { |
725 | int ncur = cur + 1; |
1286 | int ncur = cur + 1; |
726 | |
1287 | |
… | |
… | |
738 | } |
1299 | } |
739 | |
1300 | |
740 | return ncur; |
1301 | return ncur; |
741 | } |
1302 | } |
742 | |
1303 | |
743 | static noinline void * |
1304 | static void * noinline ecb_cold |
744 | array_realloc (int elem, void *base, int *cur, int cnt) |
1305 | array_realloc (int elem, void *base, int *cur, int cnt) |
745 | { |
1306 | { |
746 | *cur = array_nextsize (elem, *cur, cnt); |
1307 | *cur = array_nextsize (elem, *cur, cnt); |
747 | return ev_realloc (base, elem * *cur); |
1308 | return ev_realloc (base, elem * *cur); |
748 | } |
1309 | } |
… | |
… | |
751 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1312 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
752 | |
1313 | |
753 | #define array_needsize(type,base,cur,cnt,init) \ |
1314 | #define array_needsize(type,base,cur,cnt,init) \ |
754 | if (expect_false ((cnt) > (cur))) \ |
1315 | if (expect_false ((cnt) > (cur))) \ |
755 | { \ |
1316 | { \ |
756 | int ocur_ = (cur); \ |
1317 | int ecb_unused ocur_ = (cur); \ |
757 | (base) = (type *)array_realloc \ |
1318 | (base) = (type *)array_realloc \ |
758 | (sizeof (type), (base), &(cur), (cnt)); \ |
1319 | (sizeof (type), (base), &(cur), (cnt)); \ |
759 | init ((base) + (ocur_), (cur) - ocur_); \ |
1320 | init ((base) + (ocur_), (cur) - ocur_); \ |
760 | } |
1321 | } |
761 | |
1322 | |
… | |
… | |
822 | } |
1383 | } |
823 | |
1384 | |
824 | /*****************************************************************************/ |
1385 | /*****************************************************************************/ |
825 | |
1386 | |
826 | inline_speed void |
1387 | inline_speed void |
827 | fd_event_nc (EV_P_ int fd, int revents) |
1388 | fd_event_nocheck (EV_P_ int fd, int revents) |
828 | { |
1389 | { |
829 | ANFD *anfd = anfds + fd; |
1390 | ANFD *anfd = anfds + fd; |
830 | ev_io *w; |
1391 | ev_io *w; |
831 | |
1392 | |
832 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1393 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
844 | fd_event (EV_P_ int fd, int revents) |
1405 | fd_event (EV_P_ int fd, int revents) |
845 | { |
1406 | { |
846 | ANFD *anfd = anfds + fd; |
1407 | ANFD *anfd = anfds + fd; |
847 | |
1408 | |
848 | if (expect_true (!anfd->reify)) |
1409 | if (expect_true (!anfd->reify)) |
849 | fd_event_nc (EV_A_ fd, revents); |
1410 | fd_event_nocheck (EV_A_ fd, revents); |
850 | } |
1411 | } |
851 | |
1412 | |
852 | void |
1413 | void |
853 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1414 | ev_feed_fd_event (EV_P_ int fd, int revents) |
854 | { |
1415 | { |
855 | if (fd >= 0 && fd < anfdmax) |
1416 | if (fd >= 0 && fd < anfdmax) |
856 | fd_event_nc (EV_A_ fd, revents); |
1417 | fd_event_nocheck (EV_A_ fd, revents); |
857 | } |
1418 | } |
858 | |
1419 | |
859 | /* make sure the external fd watch events are in-sync */ |
1420 | /* make sure the external fd watch events are in-sync */ |
860 | /* with the kernel/libev internal state */ |
1421 | /* with the kernel/libev internal state */ |
861 | inline_size void |
1422 | inline_size void |
862 | fd_reify (EV_P) |
1423 | fd_reify (EV_P) |
863 | { |
1424 | { |
864 | int i; |
1425 | int i; |
865 | |
1426 | |
|
|
1427 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
1428 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1429 | { |
|
|
1430 | int fd = fdchanges [i]; |
|
|
1431 | ANFD *anfd = anfds + fd; |
|
|
1432 | |
|
|
1433 | if (anfd->reify & EV__IOFDSET && anfd->head) |
|
|
1434 | { |
|
|
1435 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
1436 | |
|
|
1437 | if (handle != anfd->handle) |
|
|
1438 | { |
|
|
1439 | unsigned long arg; |
|
|
1440 | |
|
|
1441 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
|
|
1442 | |
|
|
1443 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
1444 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
1445 | anfd->events = 0; |
|
|
1446 | anfd->handle = handle; |
|
|
1447 | } |
|
|
1448 | } |
|
|
1449 | } |
|
|
1450 | #endif |
|
|
1451 | |
866 | for (i = 0; i < fdchangecnt; ++i) |
1452 | for (i = 0; i < fdchangecnt; ++i) |
867 | { |
1453 | { |
868 | int fd = fdchanges [i]; |
1454 | int fd = fdchanges [i]; |
869 | ANFD *anfd = anfds + fd; |
1455 | ANFD *anfd = anfds + fd; |
870 | ev_io *w; |
1456 | ev_io *w; |
871 | |
1457 | |
872 | unsigned char events = 0; |
1458 | unsigned char o_events = anfd->events; |
|
|
1459 | unsigned char o_reify = anfd->reify; |
873 | |
1460 | |
874 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1461 | anfd->reify = 0; |
875 | events |= (unsigned char)w->events; |
|
|
876 | |
1462 | |
877 | #if EV_SELECT_IS_WINSOCKET |
1463 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
878 | if (events) |
|
|
879 | { |
1464 | { |
880 | unsigned long arg; |
1465 | anfd->events = 0; |
881 | #ifdef EV_FD_TO_WIN32_HANDLE |
1466 | |
882 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
1467 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
883 | #else |
1468 | anfd->events |= (unsigned char)w->events; |
884 | anfd->handle = _get_osfhandle (fd); |
1469 | |
885 | #endif |
1470 | if (o_events != anfd->events) |
886 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
1471 | o_reify = EV__IOFDSET; /* actually |= */ |
887 | } |
1472 | } |
888 | #endif |
|
|
889 | |
1473 | |
890 | { |
1474 | if (o_reify & EV__IOFDSET) |
891 | unsigned char o_events = anfd->events; |
|
|
892 | unsigned char o_reify = anfd->reify; |
|
|
893 | |
|
|
894 | anfd->reify = 0; |
|
|
895 | anfd->events = events; |
|
|
896 | |
|
|
897 | if (o_events != events || o_reify & EV__IOFDSET) |
|
|
898 | backend_modify (EV_A_ fd, o_events, events); |
1475 | backend_modify (EV_A_ fd, o_events, anfd->events); |
899 | } |
|
|
900 | } |
1476 | } |
901 | |
1477 | |
902 | fdchangecnt = 0; |
1478 | fdchangecnt = 0; |
903 | } |
1479 | } |
904 | |
1480 | |
… | |
… | |
916 | fdchanges [fdchangecnt - 1] = fd; |
1492 | fdchanges [fdchangecnt - 1] = fd; |
917 | } |
1493 | } |
918 | } |
1494 | } |
919 | |
1495 | |
920 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1496 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
921 | inline_speed void |
1497 | inline_speed void ecb_cold |
922 | fd_kill (EV_P_ int fd) |
1498 | fd_kill (EV_P_ int fd) |
923 | { |
1499 | { |
924 | ev_io *w; |
1500 | ev_io *w; |
925 | |
1501 | |
926 | while ((w = (ev_io *)anfds [fd].head)) |
1502 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
928 | ev_io_stop (EV_A_ w); |
1504 | ev_io_stop (EV_A_ w); |
929 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1505 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
930 | } |
1506 | } |
931 | } |
1507 | } |
932 | |
1508 | |
933 | /* check whether the given fd is atcually valid, for error recovery */ |
1509 | /* check whether the given fd is actually valid, for error recovery */ |
934 | inline_size int |
1510 | inline_size int ecb_cold |
935 | fd_valid (int fd) |
1511 | fd_valid (int fd) |
936 | { |
1512 | { |
937 | #ifdef _WIN32 |
1513 | #ifdef _WIN32 |
938 | return _get_osfhandle (fd) != -1; |
1514 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
939 | #else |
1515 | #else |
940 | return fcntl (fd, F_GETFD) != -1; |
1516 | return fcntl (fd, F_GETFD) != -1; |
941 | #endif |
1517 | #endif |
942 | } |
1518 | } |
943 | |
1519 | |
944 | /* called on EBADF to verify fds */ |
1520 | /* called on EBADF to verify fds */ |
945 | static void noinline |
1521 | static void noinline ecb_cold |
946 | fd_ebadf (EV_P) |
1522 | fd_ebadf (EV_P) |
947 | { |
1523 | { |
948 | int fd; |
1524 | int fd; |
949 | |
1525 | |
950 | for (fd = 0; fd < anfdmax; ++fd) |
1526 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
952 | if (!fd_valid (fd) && errno == EBADF) |
1528 | if (!fd_valid (fd) && errno == EBADF) |
953 | fd_kill (EV_A_ fd); |
1529 | fd_kill (EV_A_ fd); |
954 | } |
1530 | } |
955 | |
1531 | |
956 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1532 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
957 | static void noinline |
1533 | static void noinline ecb_cold |
958 | fd_enomem (EV_P) |
1534 | fd_enomem (EV_P) |
959 | { |
1535 | { |
960 | int fd; |
1536 | int fd; |
961 | |
1537 | |
962 | for (fd = anfdmax; fd--; ) |
1538 | for (fd = anfdmax; fd--; ) |
… | |
… | |
980 | anfds [fd].emask = 0; |
1556 | anfds [fd].emask = 0; |
981 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1557 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
982 | } |
1558 | } |
983 | } |
1559 | } |
984 | |
1560 | |
|
|
1561 | /* used to prepare libev internal fd's */ |
|
|
1562 | /* this is not fork-safe */ |
|
|
1563 | inline_speed void |
|
|
1564 | fd_intern (int fd) |
|
|
1565 | { |
|
|
1566 | #ifdef _WIN32 |
|
|
1567 | unsigned long arg = 1; |
|
|
1568 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1569 | #else |
|
|
1570 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1571 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1572 | #endif |
|
|
1573 | } |
|
|
1574 | |
985 | /*****************************************************************************/ |
1575 | /*****************************************************************************/ |
986 | |
1576 | |
987 | /* |
1577 | /* |
988 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1578 | * the heap functions want a real array index. array index 0 is guaranteed to not |
989 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1579 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
990 | * the branching factor of the d-tree. |
1580 | * the branching factor of the d-tree. |
991 | */ |
1581 | */ |
992 | |
1582 | |
993 | /* |
1583 | /* |
… | |
… | |
1141 | |
1731 | |
1142 | static ANSIG signals [EV_NSIG - 1]; |
1732 | static ANSIG signals [EV_NSIG - 1]; |
1143 | |
1733 | |
1144 | /*****************************************************************************/ |
1734 | /*****************************************************************************/ |
1145 | |
1735 | |
1146 | /* used to prepare libev internal fd's */ |
1736 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1147 | /* this is not fork-safe */ |
|
|
1148 | inline_speed void |
|
|
1149 | fd_intern (int fd) |
|
|
1150 | { |
|
|
1151 | #ifdef _WIN32 |
|
|
1152 | unsigned long arg = 1; |
|
|
1153 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1154 | #else |
|
|
1155 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1156 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1157 | #endif |
|
|
1158 | } |
|
|
1159 | |
1737 | |
1160 | static void noinline |
1738 | static void noinline ecb_cold |
1161 | evpipe_init (EV_P) |
1739 | evpipe_init (EV_P) |
1162 | { |
1740 | { |
1163 | if (!ev_is_active (&pipe_w)) |
1741 | if (!ev_is_active (&pipe_w)) |
1164 | { |
1742 | { |
1165 | #if EV_USE_EVENTFD |
1743 | # if EV_USE_EVENTFD |
1166 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1744 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1167 | if (evfd < 0 && errno == EINVAL) |
1745 | if (evfd < 0 && errno == EINVAL) |
1168 | evfd = eventfd (0, 0); |
1746 | evfd = eventfd (0, 0); |
1169 | |
1747 | |
1170 | if (evfd >= 0) |
1748 | if (evfd >= 0) |
… | |
… | |
1172 | evpipe [0] = -1; |
1750 | evpipe [0] = -1; |
1173 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1751 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1174 | ev_io_set (&pipe_w, evfd, EV_READ); |
1752 | ev_io_set (&pipe_w, evfd, EV_READ); |
1175 | } |
1753 | } |
1176 | else |
1754 | else |
1177 | #endif |
1755 | # endif |
1178 | { |
1756 | { |
1179 | while (pipe (evpipe)) |
1757 | while (pipe (evpipe)) |
1180 | ev_syserr ("(libev) error creating signal/async pipe"); |
1758 | ev_syserr ("(libev) error creating signal/async pipe"); |
1181 | |
1759 | |
1182 | fd_intern (evpipe [0]); |
1760 | fd_intern (evpipe [0]); |
… | |
… | |
1187 | ev_io_start (EV_A_ &pipe_w); |
1765 | ev_io_start (EV_A_ &pipe_w); |
1188 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1766 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1189 | } |
1767 | } |
1190 | } |
1768 | } |
1191 | |
1769 | |
1192 | inline_size void |
1770 | inline_speed void |
1193 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1771 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1194 | { |
1772 | { |
1195 | if (!*flag) |
1773 | if (expect_true (*flag)) |
|
|
1774 | return; |
|
|
1775 | |
|
|
1776 | *flag = 1; |
|
|
1777 | |
|
|
1778 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1779 | |
|
|
1780 | pipe_write_skipped = 1; |
|
|
1781 | |
|
|
1782 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1783 | |
|
|
1784 | if (pipe_write_wanted) |
1196 | { |
1785 | { |
|
|
1786 | int old_errno; |
|
|
1787 | |
|
|
1788 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
|
|
1789 | |
1197 | int old_errno = errno; /* save errno because write might clobber it */ |
1790 | old_errno = errno; /* save errno because write will clobber it */ |
1198 | |
|
|
1199 | *flag = 1; |
|
|
1200 | |
1791 | |
1201 | #if EV_USE_EVENTFD |
1792 | #if EV_USE_EVENTFD |
1202 | if (evfd >= 0) |
1793 | if (evfd >= 0) |
1203 | { |
1794 | { |
1204 | uint64_t counter = 1; |
1795 | uint64_t counter = 1; |
1205 | write (evfd, &counter, sizeof (uint64_t)); |
1796 | write (evfd, &counter, sizeof (uint64_t)); |
1206 | } |
1797 | } |
1207 | else |
1798 | else |
1208 | #endif |
1799 | #endif |
|
|
1800 | { |
|
|
1801 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1802 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1803 | /* so when you think this write should be a send instead, please find out */ |
|
|
1804 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1805 | /* tell me. thank you. */ |
1209 | write (evpipe [1], &old_errno, 1); |
1806 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1807 | } |
1210 | |
1808 | |
1211 | errno = old_errno; |
1809 | errno = old_errno; |
1212 | } |
1810 | } |
1213 | } |
1811 | } |
1214 | |
1812 | |
… | |
… | |
1217 | static void |
1815 | static void |
1218 | pipecb (EV_P_ ev_io *iow, int revents) |
1816 | pipecb (EV_P_ ev_io *iow, int revents) |
1219 | { |
1817 | { |
1220 | int i; |
1818 | int i; |
1221 | |
1819 | |
|
|
1820 | if (revents & EV_READ) |
|
|
1821 | { |
1222 | #if EV_USE_EVENTFD |
1822 | #if EV_USE_EVENTFD |
1223 | if (evfd >= 0) |
1823 | if (evfd >= 0) |
1224 | { |
1824 | { |
1225 | uint64_t counter; |
1825 | uint64_t counter; |
1226 | read (evfd, &counter, sizeof (uint64_t)); |
1826 | read (evfd, &counter, sizeof (uint64_t)); |
1227 | } |
1827 | } |
1228 | else |
1828 | else |
1229 | #endif |
1829 | #endif |
1230 | { |
1830 | { |
1231 | char dummy; |
1831 | char dummy; |
|
|
1832 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1232 | read (evpipe [0], &dummy, 1); |
1833 | read (evpipe [0], &dummy, 1); |
|
|
1834 | } |
1233 | } |
1835 | } |
1234 | |
1836 | |
|
|
1837 | pipe_write_skipped = 0; |
|
|
1838 | |
|
|
1839 | #if EV_SIGNAL_ENABLE |
1235 | if (sig_pending) |
1840 | if (sig_pending) |
1236 | { |
1841 | { |
1237 | sig_pending = 0; |
1842 | sig_pending = 0; |
1238 | |
1843 | |
1239 | for (i = EV_NSIG - 1; i--; ) |
1844 | for (i = EV_NSIG - 1; i--; ) |
1240 | if (expect_false (signals [i].pending)) |
1845 | if (expect_false (signals [i].pending)) |
1241 | ev_feed_signal_event (EV_A_ i + 1); |
1846 | ev_feed_signal_event (EV_A_ i + 1); |
1242 | } |
1847 | } |
|
|
1848 | #endif |
1243 | |
1849 | |
1244 | #if EV_ASYNC_ENABLE |
1850 | #if EV_ASYNC_ENABLE |
1245 | if (async_pending) |
1851 | if (async_pending) |
1246 | { |
1852 | { |
1247 | async_pending = 0; |
1853 | async_pending = 0; |
… | |
… | |
1256 | #endif |
1862 | #endif |
1257 | } |
1863 | } |
1258 | |
1864 | |
1259 | /*****************************************************************************/ |
1865 | /*****************************************************************************/ |
1260 | |
1866 | |
|
|
1867 | void |
|
|
1868 | ev_feed_signal (int signum) |
|
|
1869 | { |
|
|
1870 | #if EV_MULTIPLICITY |
|
|
1871 | EV_P = signals [signum - 1].loop; |
|
|
1872 | |
|
|
1873 | if (!EV_A) |
|
|
1874 | return; |
|
|
1875 | #endif |
|
|
1876 | |
|
|
1877 | if (!ev_active (&pipe_w)) |
|
|
1878 | return; |
|
|
1879 | |
|
|
1880 | signals [signum - 1].pending = 1; |
|
|
1881 | evpipe_write (EV_A_ &sig_pending); |
|
|
1882 | } |
|
|
1883 | |
1261 | static void |
1884 | static void |
1262 | ev_sighandler (int signum) |
1885 | ev_sighandler (int signum) |
1263 | { |
1886 | { |
1264 | #if EV_MULTIPLICITY |
|
|
1265 | EV_P = signals [signum - 1].loop; |
|
|
1266 | #endif |
|
|
1267 | |
|
|
1268 | #if _WIN32 |
1887 | #ifdef _WIN32 |
1269 | signal (signum, ev_sighandler); |
1888 | signal (signum, ev_sighandler); |
1270 | #endif |
1889 | #endif |
1271 | |
1890 | |
1272 | signals [signum - 1].pending = 1; |
1891 | ev_feed_signal (signum); |
1273 | evpipe_write (EV_A_ &sig_pending); |
|
|
1274 | } |
1892 | } |
1275 | |
1893 | |
1276 | void noinline |
1894 | void noinline |
1277 | ev_feed_signal_event (EV_P_ int signum) |
1895 | ev_feed_signal_event (EV_P_ int signum) |
1278 | { |
1896 | { |
… | |
… | |
1315 | break; |
1933 | break; |
1316 | } |
1934 | } |
1317 | } |
1935 | } |
1318 | #endif |
1936 | #endif |
1319 | |
1937 | |
|
|
1938 | #endif |
|
|
1939 | |
1320 | /*****************************************************************************/ |
1940 | /*****************************************************************************/ |
1321 | |
1941 | |
|
|
1942 | #if EV_CHILD_ENABLE |
1322 | static WL childs [EV_PID_HASHSIZE]; |
1943 | static WL childs [EV_PID_HASHSIZE]; |
1323 | |
|
|
1324 | #ifndef _WIN32 |
|
|
1325 | |
1944 | |
1326 | static ev_signal childev; |
1945 | static ev_signal childev; |
1327 | |
1946 | |
1328 | #ifndef WIFCONTINUED |
1947 | #ifndef WIFCONTINUED |
1329 | # define WIFCONTINUED(status) 0 |
1948 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1334 | child_reap (EV_P_ int chain, int pid, int status) |
1953 | child_reap (EV_P_ int chain, int pid, int status) |
1335 | { |
1954 | { |
1336 | ev_child *w; |
1955 | ev_child *w; |
1337 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1956 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1338 | |
1957 | |
1339 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1958 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1340 | { |
1959 | { |
1341 | if ((w->pid == pid || !w->pid) |
1960 | if ((w->pid == pid || !w->pid) |
1342 | && (!traced || (w->flags & 1))) |
1961 | && (!traced || (w->flags & 1))) |
1343 | { |
1962 | { |
1344 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1963 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1369 | /* make sure we are called again until all children have been reaped */ |
1988 | /* make sure we are called again until all children have been reaped */ |
1370 | /* we need to do it this way so that the callback gets called before we continue */ |
1989 | /* we need to do it this way so that the callback gets called before we continue */ |
1371 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1990 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1372 | |
1991 | |
1373 | child_reap (EV_A_ pid, pid, status); |
1992 | child_reap (EV_A_ pid, pid, status); |
1374 | if (EV_PID_HASHSIZE > 1) |
1993 | if ((EV_PID_HASHSIZE) > 1) |
1375 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1994 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1376 | } |
1995 | } |
1377 | |
1996 | |
1378 | #endif |
1997 | #endif |
1379 | |
1998 | |
1380 | /*****************************************************************************/ |
1999 | /*****************************************************************************/ |
1381 | |
2000 | |
|
|
2001 | #if EV_USE_IOCP |
|
|
2002 | # include "ev_iocp.c" |
|
|
2003 | #endif |
1382 | #if EV_USE_PORT |
2004 | #if EV_USE_PORT |
1383 | # include "ev_port.c" |
2005 | # include "ev_port.c" |
1384 | #endif |
2006 | #endif |
1385 | #if EV_USE_KQUEUE |
2007 | #if EV_USE_KQUEUE |
1386 | # include "ev_kqueue.c" |
2008 | # include "ev_kqueue.c" |
… | |
… | |
1393 | #endif |
2015 | #endif |
1394 | #if EV_USE_SELECT |
2016 | #if EV_USE_SELECT |
1395 | # include "ev_select.c" |
2017 | # include "ev_select.c" |
1396 | #endif |
2018 | #endif |
1397 | |
2019 | |
1398 | int |
2020 | int ecb_cold |
1399 | ev_version_major (void) |
2021 | ev_version_major (void) |
1400 | { |
2022 | { |
1401 | return EV_VERSION_MAJOR; |
2023 | return EV_VERSION_MAJOR; |
1402 | } |
2024 | } |
1403 | |
2025 | |
1404 | int |
2026 | int ecb_cold |
1405 | ev_version_minor (void) |
2027 | ev_version_minor (void) |
1406 | { |
2028 | { |
1407 | return EV_VERSION_MINOR; |
2029 | return EV_VERSION_MINOR; |
1408 | } |
2030 | } |
1409 | |
2031 | |
1410 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2032 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1411 | int inline_size |
2033 | int inline_size ecb_cold |
1412 | enable_secure (void) |
2034 | enable_secure (void) |
1413 | { |
2035 | { |
1414 | #ifdef _WIN32 |
2036 | #ifdef _WIN32 |
1415 | return 0; |
2037 | return 0; |
1416 | #else |
2038 | #else |
1417 | return getuid () != geteuid () |
2039 | return getuid () != geteuid () |
1418 | || getgid () != getegid (); |
2040 | || getgid () != getegid (); |
1419 | #endif |
2041 | #endif |
1420 | } |
2042 | } |
1421 | |
2043 | |
1422 | unsigned int |
2044 | unsigned int ecb_cold |
1423 | ev_supported_backends (void) |
2045 | ev_supported_backends (void) |
1424 | { |
2046 | { |
1425 | unsigned int flags = 0; |
2047 | unsigned int flags = 0; |
1426 | |
2048 | |
1427 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2049 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
… | |
… | |
1431 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2053 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1432 | |
2054 | |
1433 | return flags; |
2055 | return flags; |
1434 | } |
2056 | } |
1435 | |
2057 | |
1436 | unsigned int |
2058 | unsigned int ecb_cold |
1437 | ev_recommended_backends (void) |
2059 | ev_recommended_backends (void) |
1438 | { |
2060 | { |
1439 | unsigned int flags = ev_supported_backends (); |
2061 | unsigned int flags = ev_supported_backends (); |
1440 | |
2062 | |
1441 | #ifndef __NetBSD__ |
2063 | #ifndef __NetBSD__ |
… | |
… | |
1446 | #ifdef __APPLE__ |
2068 | #ifdef __APPLE__ |
1447 | /* only select works correctly on that "unix-certified" platform */ |
2069 | /* only select works correctly on that "unix-certified" platform */ |
1448 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
2070 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1449 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
2071 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1450 | #endif |
2072 | #endif |
|
|
2073 | #ifdef __FreeBSD__ |
|
|
2074 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
2075 | #endif |
1451 | |
2076 | |
1452 | return flags; |
2077 | return flags; |
1453 | } |
2078 | } |
1454 | |
2079 | |
1455 | unsigned int |
2080 | unsigned int ecb_cold |
1456 | ev_embeddable_backends (void) |
2081 | ev_embeddable_backends (void) |
1457 | { |
2082 | { |
1458 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2083 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1459 | |
2084 | |
1460 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2085 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1461 | /* please fix it and tell me how to detect the fix */ |
2086 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1462 | flags &= ~EVBACKEND_EPOLL; |
2087 | flags &= ~EVBACKEND_EPOLL; |
1463 | |
2088 | |
1464 | return flags; |
2089 | return flags; |
1465 | } |
2090 | } |
1466 | |
2091 | |
1467 | unsigned int |
2092 | unsigned int |
1468 | ev_backend (EV_P) |
2093 | ev_backend (EV_P) |
1469 | { |
2094 | { |
1470 | return backend; |
2095 | return backend; |
1471 | } |
2096 | } |
1472 | |
2097 | |
1473 | #if EV_MINIMAL < 2 |
2098 | #if EV_FEATURE_API |
1474 | unsigned int |
2099 | unsigned int |
1475 | ev_loop_count (EV_P) |
2100 | ev_iteration (EV_P) |
1476 | { |
2101 | { |
1477 | return loop_count; |
2102 | return loop_count; |
1478 | } |
2103 | } |
1479 | |
2104 | |
1480 | unsigned int |
2105 | unsigned int |
1481 | ev_loop_depth (EV_P) |
2106 | ev_depth (EV_P) |
1482 | { |
2107 | { |
1483 | return loop_depth; |
2108 | return loop_depth; |
1484 | } |
2109 | } |
1485 | |
2110 | |
1486 | void |
2111 | void |
… | |
… | |
1505 | ev_userdata (EV_P) |
2130 | ev_userdata (EV_P) |
1506 | { |
2131 | { |
1507 | return userdata; |
2132 | return userdata; |
1508 | } |
2133 | } |
1509 | |
2134 | |
|
|
2135 | void |
1510 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2136 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
1511 | { |
2137 | { |
1512 | invoke_cb = invoke_pending_cb; |
2138 | invoke_cb = invoke_pending_cb; |
1513 | } |
2139 | } |
1514 | |
2140 | |
|
|
2141 | void |
1515 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2142 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
1516 | { |
2143 | { |
1517 | release_cb = release; |
2144 | release_cb = release; |
1518 | acquire_cb = acquire; |
2145 | acquire_cb = acquire; |
1519 | } |
2146 | } |
1520 | #endif |
2147 | #endif |
1521 | |
2148 | |
1522 | /* initialise a loop structure, must be zero-initialised */ |
2149 | /* initialise a loop structure, must be zero-initialised */ |
1523 | static void noinline |
2150 | static void noinline ecb_cold |
1524 | loop_init (EV_P_ unsigned int flags) |
2151 | loop_init (EV_P_ unsigned int flags) |
1525 | { |
2152 | { |
1526 | if (!backend) |
2153 | if (!backend) |
1527 | { |
2154 | { |
|
|
2155 | origflags = flags; |
|
|
2156 | |
1528 | #if EV_USE_REALTIME |
2157 | #if EV_USE_REALTIME |
1529 | if (!have_realtime) |
2158 | if (!have_realtime) |
1530 | { |
2159 | { |
1531 | struct timespec ts; |
2160 | struct timespec ts; |
1532 | |
2161 | |
… | |
… | |
1554 | if (!(flags & EVFLAG_NOENV) |
2183 | if (!(flags & EVFLAG_NOENV) |
1555 | && !enable_secure () |
2184 | && !enable_secure () |
1556 | && getenv ("LIBEV_FLAGS")) |
2185 | && getenv ("LIBEV_FLAGS")) |
1557 | flags = atoi (getenv ("LIBEV_FLAGS")); |
2186 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1558 | |
2187 | |
1559 | ev_rt_now = ev_time (); |
2188 | ev_rt_now = ev_time (); |
1560 | mn_now = get_clock (); |
2189 | mn_now = get_clock (); |
1561 | now_floor = mn_now; |
2190 | now_floor = mn_now; |
1562 | rtmn_diff = ev_rt_now - mn_now; |
2191 | rtmn_diff = ev_rt_now - mn_now; |
1563 | #if EV_MINIMAL < 2 |
2192 | #if EV_FEATURE_API |
1564 | invoke_cb = ev_invoke_pending; |
2193 | invoke_cb = ev_invoke_pending; |
1565 | #endif |
2194 | #endif |
1566 | |
2195 | |
1567 | io_blocktime = 0.; |
2196 | io_blocktime = 0.; |
1568 | timeout_blocktime = 0.; |
2197 | timeout_blocktime = 0.; |
1569 | backend = 0; |
2198 | backend = 0; |
1570 | backend_fd = -1; |
2199 | backend_fd = -1; |
1571 | sig_pending = 0; |
2200 | sig_pending = 0; |
1572 | #if EV_ASYNC_ENABLE |
2201 | #if EV_ASYNC_ENABLE |
1573 | async_pending = 0; |
2202 | async_pending = 0; |
1574 | #endif |
2203 | #endif |
|
|
2204 | pipe_write_skipped = 0; |
|
|
2205 | pipe_write_wanted = 0; |
1575 | #if EV_USE_INOTIFY |
2206 | #if EV_USE_INOTIFY |
1576 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2207 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1577 | #endif |
2208 | #endif |
1578 | #if EV_USE_SIGNALFD |
2209 | #if EV_USE_SIGNALFD |
1579 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
2210 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1580 | #endif |
2211 | #endif |
1581 | |
2212 | |
1582 | if (!(flags & 0x0000ffffU)) |
2213 | if (!(flags & EVBACKEND_MASK)) |
1583 | flags |= ev_recommended_backends (); |
2214 | flags |= ev_recommended_backends (); |
1584 | |
2215 | |
|
|
2216 | #if EV_USE_IOCP |
|
|
2217 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
2218 | #endif |
1585 | #if EV_USE_PORT |
2219 | #if EV_USE_PORT |
1586 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2220 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1587 | #endif |
2221 | #endif |
1588 | #if EV_USE_KQUEUE |
2222 | #if EV_USE_KQUEUE |
1589 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2223 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1598 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
2232 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1599 | #endif |
2233 | #endif |
1600 | |
2234 | |
1601 | ev_prepare_init (&pending_w, pendingcb); |
2235 | ev_prepare_init (&pending_w, pendingcb); |
1602 | |
2236 | |
|
|
2237 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1603 | ev_init (&pipe_w, pipecb); |
2238 | ev_init (&pipe_w, pipecb); |
1604 | ev_set_priority (&pipe_w, EV_MAXPRI); |
2239 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
2240 | #endif |
1605 | } |
2241 | } |
1606 | } |
2242 | } |
1607 | |
2243 | |
1608 | /* free up a loop structure */ |
2244 | /* free up a loop structure */ |
1609 | static void noinline |
2245 | void ecb_cold |
1610 | loop_destroy (EV_P) |
2246 | ev_loop_destroy (EV_P) |
1611 | { |
2247 | { |
1612 | int i; |
2248 | int i; |
|
|
2249 | |
|
|
2250 | #if EV_MULTIPLICITY |
|
|
2251 | /* mimic free (0) */ |
|
|
2252 | if (!EV_A) |
|
|
2253 | return; |
|
|
2254 | #endif |
|
|
2255 | |
|
|
2256 | #if EV_CLEANUP_ENABLE |
|
|
2257 | /* queue cleanup watchers (and execute them) */ |
|
|
2258 | if (expect_false (cleanupcnt)) |
|
|
2259 | { |
|
|
2260 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
2261 | EV_INVOKE_PENDING; |
|
|
2262 | } |
|
|
2263 | #endif |
|
|
2264 | |
|
|
2265 | #if EV_CHILD_ENABLE |
|
|
2266 | if (ev_is_active (&childev)) |
|
|
2267 | { |
|
|
2268 | ev_ref (EV_A); /* child watcher */ |
|
|
2269 | ev_signal_stop (EV_A_ &childev); |
|
|
2270 | } |
|
|
2271 | #endif |
1613 | |
2272 | |
1614 | if (ev_is_active (&pipe_w)) |
2273 | if (ev_is_active (&pipe_w)) |
1615 | { |
2274 | { |
1616 | /*ev_ref (EV_A);*/ |
2275 | /*ev_ref (EV_A);*/ |
1617 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2276 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1621 | close (evfd); |
2280 | close (evfd); |
1622 | #endif |
2281 | #endif |
1623 | |
2282 | |
1624 | if (evpipe [0] >= 0) |
2283 | if (evpipe [0] >= 0) |
1625 | { |
2284 | { |
1626 | close (evpipe [0]); |
2285 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1627 | close (evpipe [1]); |
2286 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1628 | } |
2287 | } |
1629 | } |
2288 | } |
1630 | |
2289 | |
1631 | #if EV_USE_SIGNALFD |
2290 | #if EV_USE_SIGNALFD |
1632 | if (ev_is_active (&sigfd_w)) |
2291 | if (ev_is_active (&sigfd_w)) |
1633 | { |
|
|
1634 | /*ev_ref (EV_A);*/ |
|
|
1635 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1636 | |
|
|
1637 | close (sigfd); |
2292 | close (sigfd); |
1638 | } |
|
|
1639 | #endif |
2293 | #endif |
1640 | |
2294 | |
1641 | #if EV_USE_INOTIFY |
2295 | #if EV_USE_INOTIFY |
1642 | if (fs_fd >= 0) |
2296 | if (fs_fd >= 0) |
1643 | close (fs_fd); |
2297 | close (fs_fd); |
1644 | #endif |
2298 | #endif |
1645 | |
2299 | |
1646 | if (backend_fd >= 0) |
2300 | if (backend_fd >= 0) |
1647 | close (backend_fd); |
2301 | close (backend_fd); |
1648 | |
2302 | |
|
|
2303 | #if EV_USE_IOCP |
|
|
2304 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
2305 | #endif |
1649 | #if EV_USE_PORT |
2306 | #if EV_USE_PORT |
1650 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2307 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1651 | #endif |
2308 | #endif |
1652 | #if EV_USE_KQUEUE |
2309 | #if EV_USE_KQUEUE |
1653 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
2310 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1680 | array_free (periodic, EMPTY); |
2337 | array_free (periodic, EMPTY); |
1681 | #endif |
2338 | #endif |
1682 | #if EV_FORK_ENABLE |
2339 | #if EV_FORK_ENABLE |
1683 | array_free (fork, EMPTY); |
2340 | array_free (fork, EMPTY); |
1684 | #endif |
2341 | #endif |
|
|
2342 | #if EV_CLEANUP_ENABLE |
|
|
2343 | array_free (cleanup, EMPTY); |
|
|
2344 | #endif |
1685 | array_free (prepare, EMPTY); |
2345 | array_free (prepare, EMPTY); |
1686 | array_free (check, EMPTY); |
2346 | array_free (check, EMPTY); |
1687 | #if EV_ASYNC_ENABLE |
2347 | #if EV_ASYNC_ENABLE |
1688 | array_free (async, EMPTY); |
2348 | array_free (async, EMPTY); |
1689 | #endif |
2349 | #endif |
1690 | |
2350 | |
1691 | backend = 0; |
2351 | backend = 0; |
|
|
2352 | |
|
|
2353 | #if EV_MULTIPLICITY |
|
|
2354 | if (ev_is_default_loop (EV_A)) |
|
|
2355 | #endif |
|
|
2356 | ev_default_loop_ptr = 0; |
|
|
2357 | #if EV_MULTIPLICITY |
|
|
2358 | else |
|
|
2359 | ev_free (EV_A); |
|
|
2360 | #endif |
1692 | } |
2361 | } |
1693 | |
2362 | |
1694 | #if EV_USE_INOTIFY |
2363 | #if EV_USE_INOTIFY |
1695 | inline_size void infy_fork (EV_P); |
2364 | inline_size void infy_fork (EV_P); |
1696 | #endif |
2365 | #endif |
… | |
… | |
1711 | infy_fork (EV_A); |
2380 | infy_fork (EV_A); |
1712 | #endif |
2381 | #endif |
1713 | |
2382 | |
1714 | if (ev_is_active (&pipe_w)) |
2383 | if (ev_is_active (&pipe_w)) |
1715 | { |
2384 | { |
1716 | /* this "locks" the handlers against writing to the pipe */ |
2385 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
1717 | /* while we modify the fd vars */ |
|
|
1718 | sig_pending = 1; |
|
|
1719 | #if EV_ASYNC_ENABLE |
|
|
1720 | async_pending = 1; |
|
|
1721 | #endif |
|
|
1722 | |
2386 | |
1723 | ev_ref (EV_A); |
2387 | ev_ref (EV_A); |
1724 | ev_io_stop (EV_A_ &pipe_w); |
2388 | ev_io_stop (EV_A_ &pipe_w); |
1725 | |
2389 | |
1726 | #if EV_USE_EVENTFD |
2390 | #if EV_USE_EVENTFD |
… | |
… | |
1728 | close (evfd); |
2392 | close (evfd); |
1729 | #endif |
2393 | #endif |
1730 | |
2394 | |
1731 | if (evpipe [0] >= 0) |
2395 | if (evpipe [0] >= 0) |
1732 | { |
2396 | { |
1733 | close (evpipe [0]); |
2397 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1734 | close (evpipe [1]); |
2398 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1735 | } |
2399 | } |
1736 | |
2400 | |
|
|
2401 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1737 | evpipe_init (EV_A); |
2402 | evpipe_init (EV_A); |
1738 | /* now iterate over everything, in case we missed something */ |
2403 | /* now iterate over everything, in case we missed something */ |
1739 | pipecb (EV_A_ &pipe_w, EV_READ); |
2404 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
2405 | #endif |
1740 | } |
2406 | } |
1741 | |
2407 | |
1742 | postfork = 0; |
2408 | postfork = 0; |
1743 | } |
2409 | } |
1744 | |
2410 | |
1745 | #if EV_MULTIPLICITY |
2411 | #if EV_MULTIPLICITY |
1746 | |
2412 | |
1747 | struct ev_loop * |
2413 | struct ev_loop * ecb_cold |
1748 | ev_loop_new (unsigned int flags) |
2414 | ev_loop_new (unsigned int flags) |
1749 | { |
2415 | { |
1750 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2416 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1751 | |
2417 | |
1752 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2418 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1753 | loop_init (EV_A_ flags); |
2419 | loop_init (EV_A_ flags); |
1754 | |
2420 | |
1755 | if (ev_backend (EV_A)) |
2421 | if (ev_backend (EV_A)) |
1756 | return EV_A; |
2422 | return EV_A; |
1757 | |
2423 | |
|
|
2424 | ev_free (EV_A); |
1758 | return 0; |
2425 | return 0; |
1759 | } |
2426 | } |
1760 | |
2427 | |
1761 | void |
|
|
1762 | ev_loop_destroy (EV_P) |
|
|
1763 | { |
|
|
1764 | loop_destroy (EV_A); |
|
|
1765 | ev_free (loop); |
|
|
1766 | } |
|
|
1767 | |
|
|
1768 | void |
|
|
1769 | ev_loop_fork (EV_P) |
|
|
1770 | { |
|
|
1771 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1772 | } |
|
|
1773 | #endif /* multiplicity */ |
2428 | #endif /* multiplicity */ |
1774 | |
2429 | |
1775 | #if EV_VERIFY |
2430 | #if EV_VERIFY |
1776 | static void noinline |
2431 | static void noinline ecb_cold |
1777 | verify_watcher (EV_P_ W w) |
2432 | verify_watcher (EV_P_ W w) |
1778 | { |
2433 | { |
1779 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2434 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1780 | |
2435 | |
1781 | if (w->pending) |
2436 | if (w->pending) |
1782 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2437 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1783 | } |
2438 | } |
1784 | |
2439 | |
1785 | static void noinline |
2440 | static void noinline ecb_cold |
1786 | verify_heap (EV_P_ ANHE *heap, int N) |
2441 | verify_heap (EV_P_ ANHE *heap, int N) |
1787 | { |
2442 | { |
1788 | int i; |
2443 | int i; |
1789 | |
2444 | |
1790 | for (i = HEAP0; i < N + HEAP0; ++i) |
2445 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
1795 | |
2450 | |
1796 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2451 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1797 | } |
2452 | } |
1798 | } |
2453 | } |
1799 | |
2454 | |
1800 | static void noinline |
2455 | static void noinline ecb_cold |
1801 | array_verify (EV_P_ W *ws, int cnt) |
2456 | array_verify (EV_P_ W *ws, int cnt) |
1802 | { |
2457 | { |
1803 | while (cnt--) |
2458 | while (cnt--) |
1804 | { |
2459 | { |
1805 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
2460 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1806 | verify_watcher (EV_A_ ws [cnt]); |
2461 | verify_watcher (EV_A_ ws [cnt]); |
1807 | } |
2462 | } |
1808 | } |
2463 | } |
1809 | #endif |
2464 | #endif |
1810 | |
2465 | |
1811 | #if EV_MINIMAL < 2 |
2466 | #if EV_FEATURE_API |
1812 | void |
2467 | void ecb_cold |
1813 | ev_loop_verify (EV_P) |
2468 | ev_verify (EV_P) |
1814 | { |
2469 | { |
1815 | #if EV_VERIFY |
2470 | #if EV_VERIFY |
1816 | int i; |
2471 | int i; |
1817 | WL w; |
2472 | WL w; |
1818 | |
2473 | |
… | |
… | |
1852 | #if EV_FORK_ENABLE |
2507 | #if EV_FORK_ENABLE |
1853 | assert (forkmax >= forkcnt); |
2508 | assert (forkmax >= forkcnt); |
1854 | array_verify (EV_A_ (W *)forks, forkcnt); |
2509 | array_verify (EV_A_ (W *)forks, forkcnt); |
1855 | #endif |
2510 | #endif |
1856 | |
2511 | |
|
|
2512 | #if EV_CLEANUP_ENABLE |
|
|
2513 | assert (cleanupmax >= cleanupcnt); |
|
|
2514 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2515 | #endif |
|
|
2516 | |
1857 | #if EV_ASYNC_ENABLE |
2517 | #if EV_ASYNC_ENABLE |
1858 | assert (asyncmax >= asynccnt); |
2518 | assert (asyncmax >= asynccnt); |
1859 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2519 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1860 | #endif |
2520 | #endif |
1861 | |
2521 | |
|
|
2522 | #if EV_PREPARE_ENABLE |
1862 | assert (preparemax >= preparecnt); |
2523 | assert (preparemax >= preparecnt); |
1863 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2524 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2525 | #endif |
1864 | |
2526 | |
|
|
2527 | #if EV_CHECK_ENABLE |
1865 | assert (checkmax >= checkcnt); |
2528 | assert (checkmax >= checkcnt); |
1866 | array_verify (EV_A_ (W *)checks, checkcnt); |
2529 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2530 | #endif |
1867 | |
2531 | |
1868 | # if 0 |
2532 | # if 0 |
|
|
2533 | #if EV_CHILD_ENABLE |
1869 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2534 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1870 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
2535 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2536 | #endif |
1871 | # endif |
2537 | # endif |
1872 | #endif |
2538 | #endif |
1873 | } |
2539 | } |
1874 | #endif |
2540 | #endif |
1875 | |
2541 | |
1876 | #if EV_MULTIPLICITY |
2542 | #if EV_MULTIPLICITY |
1877 | struct ev_loop * |
2543 | struct ev_loop * ecb_cold |
1878 | ev_default_loop_init (unsigned int flags) |
|
|
1879 | #else |
2544 | #else |
1880 | int |
2545 | int |
|
|
2546 | #endif |
1881 | ev_default_loop (unsigned int flags) |
2547 | ev_default_loop (unsigned int flags) |
1882 | #endif |
|
|
1883 | { |
2548 | { |
1884 | if (!ev_default_loop_ptr) |
2549 | if (!ev_default_loop_ptr) |
1885 | { |
2550 | { |
1886 | #if EV_MULTIPLICITY |
2551 | #if EV_MULTIPLICITY |
1887 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2552 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1891 | |
2556 | |
1892 | loop_init (EV_A_ flags); |
2557 | loop_init (EV_A_ flags); |
1893 | |
2558 | |
1894 | if (ev_backend (EV_A)) |
2559 | if (ev_backend (EV_A)) |
1895 | { |
2560 | { |
1896 | #ifndef _WIN32 |
2561 | #if EV_CHILD_ENABLE |
1897 | ev_signal_init (&childev, childcb, SIGCHLD); |
2562 | ev_signal_init (&childev, childcb, SIGCHLD); |
1898 | ev_set_priority (&childev, EV_MAXPRI); |
2563 | ev_set_priority (&childev, EV_MAXPRI); |
1899 | ev_signal_start (EV_A_ &childev); |
2564 | ev_signal_start (EV_A_ &childev); |
1900 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2565 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1901 | #endif |
2566 | #endif |
… | |
… | |
1906 | |
2571 | |
1907 | return ev_default_loop_ptr; |
2572 | return ev_default_loop_ptr; |
1908 | } |
2573 | } |
1909 | |
2574 | |
1910 | void |
2575 | void |
1911 | ev_default_destroy (void) |
2576 | ev_loop_fork (EV_P) |
1912 | { |
2577 | { |
1913 | #if EV_MULTIPLICITY |
|
|
1914 | EV_P = ev_default_loop_ptr; |
|
|
1915 | #endif |
|
|
1916 | |
|
|
1917 | ev_default_loop_ptr = 0; |
|
|
1918 | |
|
|
1919 | #ifndef _WIN32 |
|
|
1920 | ev_ref (EV_A); /* child watcher */ |
|
|
1921 | ev_signal_stop (EV_A_ &childev); |
|
|
1922 | #endif |
|
|
1923 | |
|
|
1924 | loop_destroy (EV_A); |
|
|
1925 | } |
|
|
1926 | |
|
|
1927 | void |
|
|
1928 | ev_default_fork (void) |
|
|
1929 | { |
|
|
1930 | #if EV_MULTIPLICITY |
|
|
1931 | EV_P = ev_default_loop_ptr; |
|
|
1932 | #endif |
|
|
1933 | |
|
|
1934 | postfork = 1; /* must be in line with ev_loop_fork */ |
2578 | postfork = 1; /* must be in line with ev_default_fork */ |
1935 | } |
2579 | } |
1936 | |
2580 | |
1937 | /*****************************************************************************/ |
2581 | /*****************************************************************************/ |
1938 | |
2582 | |
1939 | void |
2583 | void |
… | |
… | |
1961 | |
2605 | |
1962 | for (pri = NUMPRI; pri--; ) |
2606 | for (pri = NUMPRI; pri--; ) |
1963 | while (pendingcnt [pri]) |
2607 | while (pendingcnt [pri]) |
1964 | { |
2608 | { |
1965 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2609 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1966 | |
|
|
1967 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1968 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
1969 | |
2610 | |
1970 | p->w->pending = 0; |
2611 | p->w->pending = 0; |
1971 | EV_CB_INVOKE (p->w, p->events); |
2612 | EV_CB_INVOKE (p->w, p->events); |
1972 | EV_FREQUENT_CHECK; |
2613 | EV_FREQUENT_CHECK; |
1973 | } |
2614 | } |
… | |
… | |
2030 | EV_FREQUENT_CHECK; |
2671 | EV_FREQUENT_CHECK; |
2031 | feed_reverse (EV_A_ (W)w); |
2672 | feed_reverse (EV_A_ (W)w); |
2032 | } |
2673 | } |
2033 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2674 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2034 | |
2675 | |
2035 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2676 | feed_reverse_done (EV_A_ EV_TIMER); |
2036 | } |
2677 | } |
2037 | } |
2678 | } |
2038 | |
2679 | |
2039 | #if EV_PERIODIC_ENABLE |
2680 | #if EV_PERIODIC_ENABLE |
|
|
2681 | |
|
|
2682 | static void noinline |
|
|
2683 | periodic_recalc (EV_P_ ev_periodic *w) |
|
|
2684 | { |
|
|
2685 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
|
|
2686 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
|
|
2687 | |
|
|
2688 | /* the above almost always errs on the low side */ |
|
|
2689 | while (at <= ev_rt_now) |
|
|
2690 | { |
|
|
2691 | ev_tstamp nat = at + w->interval; |
|
|
2692 | |
|
|
2693 | /* when resolution fails us, we use ev_rt_now */ |
|
|
2694 | if (expect_false (nat == at)) |
|
|
2695 | { |
|
|
2696 | at = ev_rt_now; |
|
|
2697 | break; |
|
|
2698 | } |
|
|
2699 | |
|
|
2700 | at = nat; |
|
|
2701 | } |
|
|
2702 | |
|
|
2703 | ev_at (w) = at; |
|
|
2704 | } |
|
|
2705 | |
2040 | /* make periodics pending */ |
2706 | /* make periodics pending */ |
2041 | inline_size void |
2707 | inline_size void |
2042 | periodics_reify (EV_P) |
2708 | periodics_reify (EV_P) |
2043 | { |
2709 | { |
2044 | EV_FREQUENT_CHECK; |
2710 | EV_FREQUENT_CHECK; |
… | |
… | |
2063 | ANHE_at_cache (periodics [HEAP0]); |
2729 | ANHE_at_cache (periodics [HEAP0]); |
2064 | downheap (periodics, periodiccnt, HEAP0); |
2730 | downheap (periodics, periodiccnt, HEAP0); |
2065 | } |
2731 | } |
2066 | else if (w->interval) |
2732 | else if (w->interval) |
2067 | { |
2733 | { |
2068 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2734 | periodic_recalc (EV_A_ w); |
2069 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2070 | /* this might happen because of floating point inexactness */ |
|
|
2071 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2072 | { |
|
|
2073 | ev_at (w) += w->interval; |
|
|
2074 | |
|
|
2075 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2076 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2077 | /* has effectively asked to get triggered more often than possible */ |
|
|
2078 | if (ev_at (w) < ev_rt_now) |
|
|
2079 | ev_at (w) = ev_rt_now; |
|
|
2080 | } |
|
|
2081 | |
|
|
2082 | ANHE_at_cache (periodics [HEAP0]); |
2735 | ANHE_at_cache (periodics [HEAP0]); |
2083 | downheap (periodics, periodiccnt, HEAP0); |
2736 | downheap (periodics, periodiccnt, HEAP0); |
2084 | } |
2737 | } |
2085 | else |
2738 | else |
2086 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
2739 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
2093 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2746 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2094 | } |
2747 | } |
2095 | } |
2748 | } |
2096 | |
2749 | |
2097 | /* simply recalculate all periodics */ |
2750 | /* simply recalculate all periodics */ |
2098 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2751 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2099 | static void noinline |
2752 | static void noinline ecb_cold |
2100 | periodics_reschedule (EV_P) |
2753 | periodics_reschedule (EV_P) |
2101 | { |
2754 | { |
2102 | int i; |
2755 | int i; |
2103 | |
2756 | |
2104 | /* adjust periodics after time jump */ |
2757 | /* adjust periodics after time jump */ |
… | |
… | |
2107 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2760 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2108 | |
2761 | |
2109 | if (w->reschedule_cb) |
2762 | if (w->reschedule_cb) |
2110 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2763 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2111 | else if (w->interval) |
2764 | else if (w->interval) |
2112 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2765 | periodic_recalc (EV_A_ w); |
2113 | |
2766 | |
2114 | ANHE_at_cache (periodics [i]); |
2767 | ANHE_at_cache (periodics [i]); |
2115 | } |
2768 | } |
2116 | |
2769 | |
2117 | reheap (periodics, periodiccnt); |
2770 | reheap (periodics, periodiccnt); |
2118 | } |
2771 | } |
2119 | #endif |
2772 | #endif |
2120 | |
2773 | |
2121 | /* adjust all timers by a given offset */ |
2774 | /* adjust all timers by a given offset */ |
2122 | static void noinline |
2775 | static void noinline ecb_cold |
2123 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2776 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2124 | { |
2777 | { |
2125 | int i; |
2778 | int i; |
2126 | |
2779 | |
2127 | for (i = 0; i < timercnt; ++i) |
2780 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2131 | ANHE_at_cache (*he); |
2784 | ANHE_at_cache (*he); |
2132 | } |
2785 | } |
2133 | } |
2786 | } |
2134 | |
2787 | |
2135 | /* fetch new monotonic and realtime times from the kernel */ |
2788 | /* fetch new monotonic and realtime times from the kernel */ |
2136 | /* also detetc if there was a timejump, and act accordingly */ |
2789 | /* also detect if there was a timejump, and act accordingly */ |
2137 | inline_speed void |
2790 | inline_speed void |
2138 | time_update (EV_P_ ev_tstamp max_block) |
2791 | time_update (EV_P_ ev_tstamp max_block) |
2139 | { |
2792 | { |
2140 | #if EV_USE_MONOTONIC |
2793 | #if EV_USE_MONOTONIC |
2141 | if (expect_true (have_monotonic)) |
2794 | if (expect_true (have_monotonic)) |
… | |
… | |
2164 | * doesn't hurt either as we only do this on time-jumps or |
2817 | * doesn't hurt either as we only do this on time-jumps or |
2165 | * in the unlikely event of having been preempted here. |
2818 | * in the unlikely event of having been preempted here. |
2166 | */ |
2819 | */ |
2167 | for (i = 4; --i; ) |
2820 | for (i = 4; --i; ) |
2168 | { |
2821 | { |
|
|
2822 | ev_tstamp diff; |
2169 | rtmn_diff = ev_rt_now - mn_now; |
2823 | rtmn_diff = ev_rt_now - mn_now; |
2170 | |
2824 | |
|
|
2825 | diff = odiff - rtmn_diff; |
|
|
2826 | |
2171 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
2827 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
2172 | return; /* all is well */ |
2828 | return; /* all is well */ |
2173 | |
2829 | |
2174 | ev_rt_now = ev_time (); |
2830 | ev_rt_now = ev_time (); |
2175 | mn_now = get_clock (); |
2831 | mn_now = get_clock (); |
2176 | now_floor = mn_now; |
2832 | now_floor = mn_now; |
… | |
… | |
2199 | mn_now = ev_rt_now; |
2855 | mn_now = ev_rt_now; |
2200 | } |
2856 | } |
2201 | } |
2857 | } |
2202 | |
2858 | |
2203 | void |
2859 | void |
2204 | ev_loop (EV_P_ int flags) |
2860 | ev_run (EV_P_ int flags) |
2205 | { |
2861 | { |
2206 | #if EV_MINIMAL < 2 |
2862 | #if EV_FEATURE_API |
2207 | ++loop_depth; |
2863 | ++loop_depth; |
2208 | #endif |
2864 | #endif |
2209 | |
2865 | |
2210 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2866 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2211 | |
2867 | |
2212 | loop_done = EVUNLOOP_CANCEL; |
2868 | loop_done = EVBREAK_CANCEL; |
2213 | |
2869 | |
2214 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2870 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2215 | |
2871 | |
2216 | do |
2872 | do |
2217 | { |
2873 | { |
2218 | #if EV_VERIFY >= 2 |
2874 | #if EV_VERIFY >= 2 |
2219 | ev_loop_verify (EV_A); |
2875 | ev_verify (EV_A); |
2220 | #endif |
2876 | #endif |
2221 | |
2877 | |
2222 | #ifndef _WIN32 |
2878 | #ifndef _WIN32 |
2223 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2879 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2224 | if (expect_false (getpid () != curpid)) |
2880 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2236 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2892 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2237 | EV_INVOKE_PENDING; |
2893 | EV_INVOKE_PENDING; |
2238 | } |
2894 | } |
2239 | #endif |
2895 | #endif |
2240 | |
2896 | |
|
|
2897 | #if EV_PREPARE_ENABLE |
2241 | /* queue prepare watchers (and execute them) */ |
2898 | /* queue prepare watchers (and execute them) */ |
2242 | if (expect_false (preparecnt)) |
2899 | if (expect_false (preparecnt)) |
2243 | { |
2900 | { |
2244 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2901 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2245 | EV_INVOKE_PENDING; |
2902 | EV_INVOKE_PENDING; |
2246 | } |
2903 | } |
|
|
2904 | #endif |
2247 | |
2905 | |
2248 | if (expect_false (loop_done)) |
2906 | if (expect_false (loop_done)) |
2249 | break; |
2907 | break; |
2250 | |
2908 | |
2251 | /* we might have forked, so reify kernel state if necessary */ |
2909 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2258 | /* calculate blocking time */ |
2916 | /* calculate blocking time */ |
2259 | { |
2917 | { |
2260 | ev_tstamp waittime = 0.; |
2918 | ev_tstamp waittime = 0.; |
2261 | ev_tstamp sleeptime = 0.; |
2919 | ev_tstamp sleeptime = 0.; |
2262 | |
2920 | |
|
|
2921 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2922 | ev_tstamp prev_mn_now = mn_now; |
|
|
2923 | |
|
|
2924 | /* update time to cancel out callback processing overhead */ |
|
|
2925 | time_update (EV_A_ 1e100); |
|
|
2926 | |
|
|
2927 | /* from now on, we want a pipe-wake-up */ |
|
|
2928 | pipe_write_wanted = 1; |
|
|
2929 | |
|
|
2930 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
2931 | |
2263 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2932 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2264 | { |
2933 | { |
2265 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2266 | ev_tstamp prev_mn_now = mn_now; |
|
|
2267 | |
|
|
2268 | /* update time to cancel out callback processing overhead */ |
|
|
2269 | time_update (EV_A_ 1e100); |
|
|
2270 | |
|
|
2271 | waittime = MAX_BLOCKTIME; |
2934 | waittime = MAX_BLOCKTIME; |
2272 | |
2935 | |
2273 | if (timercnt) |
2936 | if (timercnt) |
2274 | { |
2937 | { |
2275 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2938 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
2276 | if (waittime > to) waittime = to; |
2939 | if (waittime > to) waittime = to; |
2277 | } |
2940 | } |
2278 | |
2941 | |
2279 | #if EV_PERIODIC_ENABLE |
2942 | #if EV_PERIODIC_ENABLE |
2280 | if (periodiccnt) |
2943 | if (periodiccnt) |
2281 | { |
2944 | { |
2282 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2945 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now; |
2283 | if (waittime > to) waittime = to; |
2946 | if (waittime > to) waittime = to; |
2284 | } |
2947 | } |
2285 | #endif |
2948 | #endif |
2286 | |
2949 | |
2287 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2950 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2288 | if (expect_false (waittime < timeout_blocktime)) |
2951 | if (expect_false (waittime < timeout_blocktime)) |
2289 | waittime = timeout_blocktime; |
2952 | waittime = timeout_blocktime; |
|
|
2953 | |
|
|
2954 | /* at this point, we NEED to wait, so we have to ensure */ |
|
|
2955 | /* to pass a minimum nonzero value to the backend */ |
|
|
2956 | if (expect_false (waittime < backend_mintime)) |
|
|
2957 | waittime = backend_mintime; |
2290 | |
2958 | |
2291 | /* extra check because io_blocktime is commonly 0 */ |
2959 | /* extra check because io_blocktime is commonly 0 */ |
2292 | if (expect_false (io_blocktime)) |
2960 | if (expect_false (io_blocktime)) |
2293 | { |
2961 | { |
2294 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2962 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2295 | |
2963 | |
2296 | if (sleeptime > waittime - backend_fudge) |
2964 | if (sleeptime > waittime - backend_mintime) |
2297 | sleeptime = waittime - backend_fudge; |
2965 | sleeptime = waittime - backend_mintime; |
2298 | |
2966 | |
2299 | if (expect_true (sleeptime > 0.)) |
2967 | if (expect_true (sleeptime > 0.)) |
2300 | { |
2968 | { |
2301 | ev_sleep (sleeptime); |
2969 | ev_sleep (sleeptime); |
2302 | waittime -= sleeptime; |
2970 | waittime -= sleeptime; |
2303 | } |
2971 | } |
2304 | } |
2972 | } |
2305 | } |
2973 | } |
2306 | |
2974 | |
2307 | #if EV_MINIMAL < 2 |
2975 | #if EV_FEATURE_API |
2308 | ++loop_count; |
2976 | ++loop_count; |
2309 | #endif |
2977 | #endif |
2310 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2978 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2311 | backend_poll (EV_A_ waittime); |
2979 | backend_poll (EV_A_ waittime); |
2312 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2980 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
|
|
2981 | |
|
|
2982 | pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ |
|
|
2983 | |
|
|
2984 | if (pipe_write_skipped) |
|
|
2985 | { |
|
|
2986 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
|
|
2987 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
2988 | } |
|
|
2989 | |
2313 | |
2990 | |
2314 | /* update ev_rt_now, do magic */ |
2991 | /* update ev_rt_now, do magic */ |
2315 | time_update (EV_A_ waittime + sleeptime); |
2992 | time_update (EV_A_ waittime + sleeptime); |
2316 | } |
2993 | } |
2317 | |
2994 | |
… | |
… | |
2324 | #if EV_IDLE_ENABLE |
3001 | #if EV_IDLE_ENABLE |
2325 | /* queue idle watchers unless other events are pending */ |
3002 | /* queue idle watchers unless other events are pending */ |
2326 | idle_reify (EV_A); |
3003 | idle_reify (EV_A); |
2327 | #endif |
3004 | #endif |
2328 | |
3005 | |
|
|
3006 | #if EV_CHECK_ENABLE |
2329 | /* queue check watchers, to be executed first */ |
3007 | /* queue check watchers, to be executed first */ |
2330 | if (expect_false (checkcnt)) |
3008 | if (expect_false (checkcnt)) |
2331 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3009 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
3010 | #endif |
2332 | |
3011 | |
2333 | EV_INVOKE_PENDING; |
3012 | EV_INVOKE_PENDING; |
2334 | } |
3013 | } |
2335 | while (expect_true ( |
3014 | while (expect_true ( |
2336 | activecnt |
3015 | activecnt |
2337 | && !loop_done |
3016 | && !loop_done |
2338 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
3017 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2339 | )); |
3018 | )); |
2340 | |
3019 | |
2341 | if (loop_done == EVUNLOOP_ONE) |
3020 | if (loop_done == EVBREAK_ONE) |
2342 | loop_done = EVUNLOOP_CANCEL; |
3021 | loop_done = EVBREAK_CANCEL; |
2343 | |
3022 | |
2344 | #if EV_MINIMAL < 2 |
3023 | #if EV_FEATURE_API |
2345 | --loop_depth; |
3024 | --loop_depth; |
2346 | #endif |
3025 | #endif |
2347 | } |
3026 | } |
2348 | |
3027 | |
2349 | void |
3028 | void |
2350 | ev_unloop (EV_P_ int how) |
3029 | ev_break (EV_P_ int how) |
2351 | { |
3030 | { |
2352 | loop_done = how; |
3031 | loop_done = how; |
2353 | } |
3032 | } |
2354 | |
3033 | |
2355 | void |
3034 | void |
… | |
… | |
2475 | |
3154 | |
2476 | if (expect_false (ev_is_active (w))) |
3155 | if (expect_false (ev_is_active (w))) |
2477 | return; |
3156 | return; |
2478 | |
3157 | |
2479 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3158 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2480 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3159 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2481 | |
3160 | |
2482 | EV_FREQUENT_CHECK; |
3161 | EV_FREQUENT_CHECK; |
2483 | |
3162 | |
2484 | ev_start (EV_A_ (W)w, 1); |
3163 | ev_start (EV_A_ (W)w, 1); |
2485 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3164 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2503 | EV_FREQUENT_CHECK; |
3182 | EV_FREQUENT_CHECK; |
2504 | |
3183 | |
2505 | wlist_del (&anfds[w->fd].head, (WL)w); |
3184 | wlist_del (&anfds[w->fd].head, (WL)w); |
2506 | ev_stop (EV_A_ (W)w); |
3185 | ev_stop (EV_A_ (W)w); |
2507 | |
3186 | |
2508 | fd_change (EV_A_ w->fd, 1); |
3187 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2509 | |
3188 | |
2510 | EV_FREQUENT_CHECK; |
3189 | EV_FREQUENT_CHECK; |
2511 | } |
3190 | } |
2512 | |
3191 | |
2513 | void noinline |
3192 | void noinline |
… | |
… | |
2555 | timers [active] = timers [timercnt + HEAP0]; |
3234 | timers [active] = timers [timercnt + HEAP0]; |
2556 | adjustheap (timers, timercnt, active); |
3235 | adjustheap (timers, timercnt, active); |
2557 | } |
3236 | } |
2558 | } |
3237 | } |
2559 | |
3238 | |
2560 | EV_FREQUENT_CHECK; |
|
|
2561 | |
|
|
2562 | ev_at (w) -= mn_now; |
3239 | ev_at (w) -= mn_now; |
2563 | |
3240 | |
2564 | ev_stop (EV_A_ (W)w); |
3241 | ev_stop (EV_A_ (W)w); |
|
|
3242 | |
|
|
3243 | EV_FREQUENT_CHECK; |
2565 | } |
3244 | } |
2566 | |
3245 | |
2567 | void noinline |
3246 | void noinline |
2568 | ev_timer_again (EV_P_ ev_timer *w) |
3247 | ev_timer_again (EV_P_ ev_timer *w) |
2569 | { |
3248 | { |
… | |
… | |
2605 | if (w->reschedule_cb) |
3284 | if (w->reschedule_cb) |
2606 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
3285 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2607 | else if (w->interval) |
3286 | else if (w->interval) |
2608 | { |
3287 | { |
2609 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
3288 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2610 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
3289 | periodic_recalc (EV_A_ w); |
2611 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2612 | } |
3290 | } |
2613 | else |
3291 | else |
2614 | ev_at (w) = w->offset; |
3292 | ev_at (w) = w->offset; |
2615 | |
3293 | |
2616 | EV_FREQUENT_CHECK; |
3294 | EV_FREQUENT_CHECK; |
… | |
… | |
2648 | periodics [active] = periodics [periodiccnt + HEAP0]; |
3326 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2649 | adjustheap (periodics, periodiccnt, active); |
3327 | adjustheap (periodics, periodiccnt, active); |
2650 | } |
3328 | } |
2651 | } |
3329 | } |
2652 | |
3330 | |
2653 | EV_FREQUENT_CHECK; |
|
|
2654 | |
|
|
2655 | ev_stop (EV_A_ (W)w); |
3331 | ev_stop (EV_A_ (W)w); |
|
|
3332 | |
|
|
3333 | EV_FREQUENT_CHECK; |
2656 | } |
3334 | } |
2657 | |
3335 | |
2658 | void noinline |
3336 | void noinline |
2659 | ev_periodic_again (EV_P_ ev_periodic *w) |
3337 | ev_periodic_again (EV_P_ ev_periodic *w) |
2660 | { |
3338 | { |
… | |
… | |
2665 | #endif |
3343 | #endif |
2666 | |
3344 | |
2667 | #ifndef SA_RESTART |
3345 | #ifndef SA_RESTART |
2668 | # define SA_RESTART 0 |
3346 | # define SA_RESTART 0 |
2669 | #endif |
3347 | #endif |
|
|
3348 | |
|
|
3349 | #if EV_SIGNAL_ENABLE |
2670 | |
3350 | |
2671 | void noinline |
3351 | void noinline |
2672 | ev_signal_start (EV_P_ ev_signal *w) |
3352 | ev_signal_start (EV_P_ ev_signal *w) |
2673 | { |
3353 | { |
2674 | if (expect_false (ev_is_active (w))) |
3354 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2721 | if (!((WL)w)->next) |
3401 | if (!((WL)w)->next) |
2722 | # if EV_USE_SIGNALFD |
3402 | # if EV_USE_SIGNALFD |
2723 | if (sigfd < 0) /*TODO*/ |
3403 | if (sigfd < 0) /*TODO*/ |
2724 | # endif |
3404 | # endif |
2725 | { |
3405 | { |
2726 | # if _WIN32 |
3406 | # ifdef _WIN32 |
|
|
3407 | evpipe_init (EV_A); |
|
|
3408 | |
2727 | signal (w->signum, ev_sighandler); |
3409 | signal (w->signum, ev_sighandler); |
2728 | # else |
3410 | # else |
2729 | struct sigaction sa; |
3411 | struct sigaction sa; |
2730 | |
3412 | |
2731 | evpipe_init (EV_A); |
3413 | evpipe_init (EV_A); |
… | |
… | |
2733 | sa.sa_handler = ev_sighandler; |
3415 | sa.sa_handler = ev_sighandler; |
2734 | sigfillset (&sa.sa_mask); |
3416 | sigfillset (&sa.sa_mask); |
2735 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
3417 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2736 | sigaction (w->signum, &sa, 0); |
3418 | sigaction (w->signum, &sa, 0); |
2737 | |
3419 | |
|
|
3420 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
3421 | { |
2738 | sigemptyset (&sa.sa_mask); |
3422 | sigemptyset (&sa.sa_mask); |
2739 | sigaddset (&sa.sa_mask, w->signum); |
3423 | sigaddset (&sa.sa_mask, w->signum); |
2740 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
3424 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
3425 | } |
2741 | #endif |
3426 | #endif |
2742 | } |
3427 | } |
2743 | |
3428 | |
2744 | EV_FREQUENT_CHECK; |
3429 | EV_FREQUENT_CHECK; |
2745 | } |
3430 | } |
… | |
… | |
2762 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
3447 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2763 | #endif |
3448 | #endif |
2764 | #if EV_USE_SIGNALFD |
3449 | #if EV_USE_SIGNALFD |
2765 | if (sigfd >= 0) |
3450 | if (sigfd >= 0) |
2766 | { |
3451 | { |
2767 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
3452 | sigset_t ss; |
|
|
3453 | |
|
|
3454 | sigemptyset (&ss); |
|
|
3455 | sigaddset (&ss, w->signum); |
2768 | sigdelset (&sigfd_set, w->signum); |
3456 | sigdelset (&sigfd_set, w->signum); |
|
|
3457 | |
2769 | signalfd (sigfd, &sigfd_set, 0); |
3458 | signalfd (sigfd, &sigfd_set, 0); |
2770 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
3459 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
2771 | /*TODO: maybe unblock signal? */ |
|
|
2772 | } |
3460 | } |
2773 | else |
3461 | else |
2774 | #endif |
3462 | #endif |
2775 | signal (w->signum, SIG_DFL); |
3463 | signal (w->signum, SIG_DFL); |
2776 | } |
3464 | } |
2777 | |
3465 | |
2778 | EV_FREQUENT_CHECK; |
3466 | EV_FREQUENT_CHECK; |
2779 | } |
3467 | } |
2780 | |
3468 | |
|
|
3469 | #endif |
|
|
3470 | |
|
|
3471 | #if EV_CHILD_ENABLE |
|
|
3472 | |
2781 | void |
3473 | void |
2782 | ev_child_start (EV_P_ ev_child *w) |
3474 | ev_child_start (EV_P_ ev_child *w) |
2783 | { |
3475 | { |
2784 | #if EV_MULTIPLICITY |
3476 | #if EV_MULTIPLICITY |
2785 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3477 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2788 | return; |
3480 | return; |
2789 | |
3481 | |
2790 | EV_FREQUENT_CHECK; |
3482 | EV_FREQUENT_CHECK; |
2791 | |
3483 | |
2792 | ev_start (EV_A_ (W)w, 1); |
3484 | ev_start (EV_A_ (W)w, 1); |
2793 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
3485 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2794 | |
3486 | |
2795 | EV_FREQUENT_CHECK; |
3487 | EV_FREQUENT_CHECK; |
2796 | } |
3488 | } |
2797 | |
3489 | |
2798 | void |
3490 | void |
… | |
… | |
2802 | if (expect_false (!ev_is_active (w))) |
3494 | if (expect_false (!ev_is_active (w))) |
2803 | return; |
3495 | return; |
2804 | |
3496 | |
2805 | EV_FREQUENT_CHECK; |
3497 | EV_FREQUENT_CHECK; |
2806 | |
3498 | |
2807 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
3499 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2808 | ev_stop (EV_A_ (W)w); |
3500 | ev_stop (EV_A_ (W)w); |
2809 | |
3501 | |
2810 | EV_FREQUENT_CHECK; |
3502 | EV_FREQUENT_CHECK; |
2811 | } |
3503 | } |
|
|
3504 | |
|
|
3505 | #endif |
2812 | |
3506 | |
2813 | #if EV_STAT_ENABLE |
3507 | #if EV_STAT_ENABLE |
2814 | |
3508 | |
2815 | # ifdef _WIN32 |
3509 | # ifdef _WIN32 |
2816 | # undef lstat |
3510 | # undef lstat |
… | |
… | |
2822 | #define MIN_STAT_INTERVAL 0.1074891 |
3516 | #define MIN_STAT_INTERVAL 0.1074891 |
2823 | |
3517 | |
2824 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3518 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2825 | |
3519 | |
2826 | #if EV_USE_INOTIFY |
3520 | #if EV_USE_INOTIFY |
2827 | # define EV_INOTIFY_BUFSIZE 8192 |
3521 | |
|
|
3522 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
3523 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2828 | |
3524 | |
2829 | static void noinline |
3525 | static void noinline |
2830 | infy_add (EV_P_ ev_stat *w) |
3526 | infy_add (EV_P_ ev_stat *w) |
2831 | { |
3527 | { |
2832 | 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); |
3528 | 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); |
2833 | |
3529 | |
2834 | if (w->wd < 0) |
3530 | if (w->wd >= 0) |
|
|
3531 | { |
|
|
3532 | struct statfs sfs; |
|
|
3533 | |
|
|
3534 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
3535 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
3536 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
3537 | |
|
|
3538 | if (!fs_2625) |
|
|
3539 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3540 | else if (!statfs (w->path, &sfs) |
|
|
3541 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
3542 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
3543 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
3544 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
3545 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
3546 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
3547 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
3548 | else |
|
|
3549 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2835 | { |
3550 | } |
|
|
3551 | else |
|
|
3552 | { |
|
|
3553 | /* can't use inotify, continue to stat */ |
2836 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3554 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2837 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2838 | |
3555 | |
2839 | /* monitor some parent directory for speedup hints */ |
3556 | /* if path is not there, monitor some parent directory for speedup hints */ |
2840 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
3557 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2841 | /* but an efficiency issue only */ |
3558 | /* but an efficiency issue only */ |
2842 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
3559 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2843 | { |
3560 | { |
2844 | char path [4096]; |
3561 | char path [4096]; |
… | |
… | |
2854 | if (!pend || pend == path) |
3571 | if (!pend || pend == path) |
2855 | break; |
3572 | break; |
2856 | |
3573 | |
2857 | *pend = 0; |
3574 | *pend = 0; |
2858 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3575 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2859 | } |
3576 | } |
2860 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3577 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2861 | } |
3578 | } |
2862 | } |
3579 | } |
2863 | |
3580 | |
2864 | if (w->wd >= 0) |
3581 | if (w->wd >= 0) |
2865 | { |
|
|
2866 | struct statfs sfs; |
|
|
2867 | |
|
|
2868 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3582 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2869 | |
3583 | |
2870 | /* now local changes will be tracked by inotify, but remote changes won't */ |
3584 | /* now re-arm timer, if required */ |
2871 | /* unless the filesystem it known to be local, we therefore still poll */ |
3585 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2872 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2873 | |
|
|
2874 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2875 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2876 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2877 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2878 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2879 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2880 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2881 | return; |
|
|
2882 | |
|
|
2883 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2884 | ev_timer_again (EV_A_ &w->timer); |
3586 | ev_timer_again (EV_A_ &w->timer); |
2885 | } |
3587 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2886 | } |
3588 | } |
2887 | |
3589 | |
2888 | static void noinline |
3590 | static void noinline |
2889 | infy_del (EV_P_ ev_stat *w) |
3591 | infy_del (EV_P_ ev_stat *w) |
2890 | { |
3592 | { |
… | |
… | |
2893 | |
3595 | |
2894 | if (wd < 0) |
3596 | if (wd < 0) |
2895 | return; |
3597 | return; |
2896 | |
3598 | |
2897 | w->wd = -2; |
3599 | w->wd = -2; |
2898 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3600 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2899 | wlist_del (&fs_hash [slot].head, (WL)w); |
3601 | wlist_del (&fs_hash [slot].head, (WL)w); |
2900 | |
3602 | |
2901 | /* remove this watcher, if others are watching it, they will rearm */ |
3603 | /* remove this watcher, if others are watching it, they will rearm */ |
2902 | inotify_rm_watch (fs_fd, wd); |
3604 | inotify_rm_watch (fs_fd, wd); |
2903 | } |
3605 | } |
… | |
… | |
2905 | static void noinline |
3607 | static void noinline |
2906 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3608 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2907 | { |
3609 | { |
2908 | if (slot < 0) |
3610 | if (slot < 0) |
2909 | /* overflow, need to check for all hash slots */ |
3611 | /* overflow, need to check for all hash slots */ |
2910 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3612 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2911 | infy_wd (EV_A_ slot, wd, ev); |
3613 | infy_wd (EV_A_ slot, wd, ev); |
2912 | else |
3614 | else |
2913 | { |
3615 | { |
2914 | WL w_; |
3616 | WL w_; |
2915 | |
3617 | |
2916 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3618 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2917 | { |
3619 | { |
2918 | ev_stat *w = (ev_stat *)w_; |
3620 | ev_stat *w = (ev_stat *)w_; |
2919 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3621 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2920 | |
3622 | |
2921 | if (w->wd == wd || wd == -1) |
3623 | if (w->wd == wd || wd == -1) |
2922 | { |
3624 | { |
2923 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3625 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2924 | { |
3626 | { |
2925 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3627 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2926 | w->wd = -1; |
3628 | w->wd = -1; |
2927 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3629 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2928 | } |
3630 | } |
2929 | |
3631 | |
2930 | stat_timer_cb (EV_A_ &w->timer, 0); |
3632 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2935 | |
3637 | |
2936 | static void |
3638 | static void |
2937 | infy_cb (EV_P_ ev_io *w, int revents) |
3639 | infy_cb (EV_P_ ev_io *w, int revents) |
2938 | { |
3640 | { |
2939 | char buf [EV_INOTIFY_BUFSIZE]; |
3641 | char buf [EV_INOTIFY_BUFSIZE]; |
2940 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2941 | int ofs; |
3642 | int ofs; |
2942 | int len = read (fs_fd, buf, sizeof (buf)); |
3643 | int len = read (fs_fd, buf, sizeof (buf)); |
2943 | |
3644 | |
2944 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3645 | for (ofs = 0; ofs < len; ) |
|
|
3646 | { |
|
|
3647 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2945 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3648 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3649 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3650 | } |
2946 | } |
3651 | } |
2947 | |
3652 | |
2948 | inline_size void |
3653 | inline_size void ecb_cold |
2949 | check_2625 (EV_P) |
3654 | ev_check_2625 (EV_P) |
2950 | { |
3655 | { |
2951 | /* kernels < 2.6.25 are borked |
3656 | /* kernels < 2.6.25 are borked |
2952 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3657 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2953 | */ |
3658 | */ |
2954 | struct utsname buf; |
3659 | if (ev_linux_version () < 0x020619) |
2955 | int major, minor, micro; |
|
|
2956 | |
|
|
2957 | if (uname (&buf)) |
|
|
2958 | return; |
3660 | return; |
2959 | |
3661 | |
2960 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2961 | return; |
|
|
2962 | |
|
|
2963 | if (major < 2 |
|
|
2964 | || (major == 2 && minor < 6) |
|
|
2965 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2966 | return; |
|
|
2967 | |
|
|
2968 | fs_2625 = 1; |
3662 | fs_2625 = 1; |
|
|
3663 | } |
|
|
3664 | |
|
|
3665 | inline_size int |
|
|
3666 | infy_newfd (void) |
|
|
3667 | { |
|
|
3668 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3669 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3670 | if (fd >= 0) |
|
|
3671 | return fd; |
|
|
3672 | #endif |
|
|
3673 | return inotify_init (); |
2969 | } |
3674 | } |
2970 | |
3675 | |
2971 | inline_size void |
3676 | inline_size void |
2972 | infy_init (EV_P) |
3677 | infy_init (EV_P) |
2973 | { |
3678 | { |
2974 | if (fs_fd != -2) |
3679 | if (fs_fd != -2) |
2975 | return; |
3680 | return; |
2976 | |
3681 | |
2977 | fs_fd = -1; |
3682 | fs_fd = -1; |
2978 | |
3683 | |
2979 | check_2625 (EV_A); |
3684 | ev_check_2625 (EV_A); |
2980 | |
3685 | |
2981 | fs_fd = inotify_init (); |
3686 | fs_fd = infy_newfd (); |
2982 | |
3687 | |
2983 | if (fs_fd >= 0) |
3688 | if (fs_fd >= 0) |
2984 | { |
3689 | { |
|
|
3690 | fd_intern (fs_fd); |
2985 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3691 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2986 | ev_set_priority (&fs_w, EV_MAXPRI); |
3692 | ev_set_priority (&fs_w, EV_MAXPRI); |
2987 | ev_io_start (EV_A_ &fs_w); |
3693 | ev_io_start (EV_A_ &fs_w); |
|
|
3694 | ev_unref (EV_A); |
2988 | } |
3695 | } |
2989 | } |
3696 | } |
2990 | |
3697 | |
2991 | inline_size void |
3698 | inline_size void |
2992 | infy_fork (EV_P) |
3699 | infy_fork (EV_P) |
… | |
… | |
2994 | int slot; |
3701 | int slot; |
2995 | |
3702 | |
2996 | if (fs_fd < 0) |
3703 | if (fs_fd < 0) |
2997 | return; |
3704 | return; |
2998 | |
3705 | |
|
|
3706 | ev_ref (EV_A); |
|
|
3707 | ev_io_stop (EV_A_ &fs_w); |
2999 | close (fs_fd); |
3708 | close (fs_fd); |
3000 | fs_fd = inotify_init (); |
3709 | fs_fd = infy_newfd (); |
3001 | |
3710 | |
|
|
3711 | if (fs_fd >= 0) |
|
|
3712 | { |
|
|
3713 | fd_intern (fs_fd); |
|
|
3714 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3715 | ev_io_start (EV_A_ &fs_w); |
|
|
3716 | ev_unref (EV_A); |
|
|
3717 | } |
|
|
3718 | |
3002 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3719 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3003 | { |
3720 | { |
3004 | WL w_ = fs_hash [slot].head; |
3721 | WL w_ = fs_hash [slot].head; |
3005 | fs_hash [slot].head = 0; |
3722 | fs_hash [slot].head = 0; |
3006 | |
3723 | |
3007 | while (w_) |
3724 | while (w_) |
… | |
… | |
3012 | w->wd = -1; |
3729 | w->wd = -1; |
3013 | |
3730 | |
3014 | if (fs_fd >= 0) |
3731 | if (fs_fd >= 0) |
3015 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3732 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3016 | else |
3733 | else |
|
|
3734 | { |
|
|
3735 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3736 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3017 | ev_timer_again (EV_A_ &w->timer); |
3737 | ev_timer_again (EV_A_ &w->timer); |
|
|
3738 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3739 | } |
3018 | } |
3740 | } |
3019 | } |
3741 | } |
3020 | } |
3742 | } |
3021 | |
3743 | |
3022 | #endif |
3744 | #endif |
… | |
… | |
3039 | static void noinline |
3761 | static void noinline |
3040 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3762 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3041 | { |
3763 | { |
3042 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3764 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3043 | |
3765 | |
3044 | /* we copy this here each the time so that */ |
3766 | ev_statdata prev = w->attr; |
3045 | /* prev has the old value when the callback gets invoked */ |
|
|
3046 | w->prev = w->attr; |
|
|
3047 | ev_stat_stat (EV_A_ w); |
3767 | ev_stat_stat (EV_A_ w); |
3048 | |
3768 | |
3049 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3769 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3050 | if ( |
3770 | if ( |
3051 | w->prev.st_dev != w->attr.st_dev |
3771 | prev.st_dev != w->attr.st_dev |
3052 | || w->prev.st_ino != w->attr.st_ino |
3772 | || prev.st_ino != w->attr.st_ino |
3053 | || w->prev.st_mode != w->attr.st_mode |
3773 | || prev.st_mode != w->attr.st_mode |
3054 | || w->prev.st_nlink != w->attr.st_nlink |
3774 | || prev.st_nlink != w->attr.st_nlink |
3055 | || w->prev.st_uid != w->attr.st_uid |
3775 | || prev.st_uid != w->attr.st_uid |
3056 | || w->prev.st_gid != w->attr.st_gid |
3776 | || prev.st_gid != w->attr.st_gid |
3057 | || w->prev.st_rdev != w->attr.st_rdev |
3777 | || prev.st_rdev != w->attr.st_rdev |
3058 | || w->prev.st_size != w->attr.st_size |
3778 | || prev.st_size != w->attr.st_size |
3059 | || w->prev.st_atime != w->attr.st_atime |
3779 | || prev.st_atime != w->attr.st_atime |
3060 | || w->prev.st_mtime != w->attr.st_mtime |
3780 | || prev.st_mtime != w->attr.st_mtime |
3061 | || w->prev.st_ctime != w->attr.st_ctime |
3781 | || prev.st_ctime != w->attr.st_ctime |
3062 | ) { |
3782 | ) { |
|
|
3783 | /* we only update w->prev on actual differences */ |
|
|
3784 | /* in case we test more often than invoke the callback, */ |
|
|
3785 | /* to ensure that prev is always different to attr */ |
|
|
3786 | w->prev = prev; |
|
|
3787 | |
3063 | #if EV_USE_INOTIFY |
3788 | #if EV_USE_INOTIFY |
3064 | if (fs_fd >= 0) |
3789 | if (fs_fd >= 0) |
3065 | { |
3790 | { |
3066 | infy_del (EV_A_ w); |
3791 | infy_del (EV_A_ w); |
3067 | infy_add (EV_A_ w); |
3792 | infy_add (EV_A_ w); |
… | |
… | |
3092 | |
3817 | |
3093 | if (fs_fd >= 0) |
3818 | if (fs_fd >= 0) |
3094 | infy_add (EV_A_ w); |
3819 | infy_add (EV_A_ w); |
3095 | else |
3820 | else |
3096 | #endif |
3821 | #endif |
|
|
3822 | { |
3097 | ev_timer_again (EV_A_ &w->timer); |
3823 | ev_timer_again (EV_A_ &w->timer); |
|
|
3824 | ev_unref (EV_A); |
|
|
3825 | } |
3098 | |
3826 | |
3099 | ev_start (EV_A_ (W)w, 1); |
3827 | ev_start (EV_A_ (W)w, 1); |
3100 | |
3828 | |
3101 | EV_FREQUENT_CHECK; |
3829 | EV_FREQUENT_CHECK; |
3102 | } |
3830 | } |
… | |
… | |
3111 | EV_FREQUENT_CHECK; |
3839 | EV_FREQUENT_CHECK; |
3112 | |
3840 | |
3113 | #if EV_USE_INOTIFY |
3841 | #if EV_USE_INOTIFY |
3114 | infy_del (EV_A_ w); |
3842 | infy_del (EV_A_ w); |
3115 | #endif |
3843 | #endif |
|
|
3844 | |
|
|
3845 | if (ev_is_active (&w->timer)) |
|
|
3846 | { |
|
|
3847 | ev_ref (EV_A); |
3116 | ev_timer_stop (EV_A_ &w->timer); |
3848 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3849 | } |
3117 | |
3850 | |
3118 | ev_stop (EV_A_ (W)w); |
3851 | ev_stop (EV_A_ (W)w); |
3119 | |
3852 | |
3120 | EV_FREQUENT_CHECK; |
3853 | EV_FREQUENT_CHECK; |
3121 | } |
3854 | } |
… | |
… | |
3166 | |
3899 | |
3167 | EV_FREQUENT_CHECK; |
3900 | EV_FREQUENT_CHECK; |
3168 | } |
3901 | } |
3169 | #endif |
3902 | #endif |
3170 | |
3903 | |
|
|
3904 | #if EV_PREPARE_ENABLE |
3171 | void |
3905 | void |
3172 | ev_prepare_start (EV_P_ ev_prepare *w) |
3906 | ev_prepare_start (EV_P_ ev_prepare *w) |
3173 | { |
3907 | { |
3174 | if (expect_false (ev_is_active (w))) |
3908 | if (expect_false (ev_is_active (w))) |
3175 | return; |
3909 | return; |
… | |
… | |
3201 | |
3935 | |
3202 | ev_stop (EV_A_ (W)w); |
3936 | ev_stop (EV_A_ (W)w); |
3203 | |
3937 | |
3204 | EV_FREQUENT_CHECK; |
3938 | EV_FREQUENT_CHECK; |
3205 | } |
3939 | } |
|
|
3940 | #endif |
3206 | |
3941 | |
|
|
3942 | #if EV_CHECK_ENABLE |
3207 | void |
3943 | void |
3208 | ev_check_start (EV_P_ ev_check *w) |
3944 | ev_check_start (EV_P_ ev_check *w) |
3209 | { |
3945 | { |
3210 | if (expect_false (ev_is_active (w))) |
3946 | if (expect_false (ev_is_active (w))) |
3211 | return; |
3947 | return; |
… | |
… | |
3237 | |
3973 | |
3238 | ev_stop (EV_A_ (W)w); |
3974 | ev_stop (EV_A_ (W)w); |
3239 | |
3975 | |
3240 | EV_FREQUENT_CHECK; |
3976 | EV_FREQUENT_CHECK; |
3241 | } |
3977 | } |
|
|
3978 | #endif |
3242 | |
3979 | |
3243 | #if EV_EMBED_ENABLE |
3980 | #if EV_EMBED_ENABLE |
3244 | void noinline |
3981 | void noinline |
3245 | ev_embed_sweep (EV_P_ ev_embed *w) |
3982 | ev_embed_sweep (EV_P_ ev_embed *w) |
3246 | { |
3983 | { |
3247 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3984 | ev_run (w->other, EVRUN_NOWAIT); |
3248 | } |
3985 | } |
3249 | |
3986 | |
3250 | static void |
3987 | static void |
3251 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3988 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3252 | { |
3989 | { |
3253 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3990 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3254 | |
3991 | |
3255 | if (ev_cb (w)) |
3992 | if (ev_cb (w)) |
3256 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3993 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3257 | else |
3994 | else |
3258 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3995 | ev_run (w->other, EVRUN_NOWAIT); |
3259 | } |
3996 | } |
3260 | |
3997 | |
3261 | static void |
3998 | static void |
3262 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3999 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3263 | { |
4000 | { |
… | |
… | |
3267 | EV_P = w->other; |
4004 | EV_P = w->other; |
3268 | |
4005 | |
3269 | while (fdchangecnt) |
4006 | while (fdchangecnt) |
3270 | { |
4007 | { |
3271 | fd_reify (EV_A); |
4008 | fd_reify (EV_A); |
3272 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
4009 | ev_run (EV_A_ EVRUN_NOWAIT); |
3273 | } |
4010 | } |
3274 | } |
4011 | } |
3275 | } |
4012 | } |
3276 | |
4013 | |
3277 | static void |
4014 | static void |
… | |
… | |
3283 | |
4020 | |
3284 | { |
4021 | { |
3285 | EV_P = w->other; |
4022 | EV_P = w->other; |
3286 | |
4023 | |
3287 | ev_loop_fork (EV_A); |
4024 | ev_loop_fork (EV_A); |
3288 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
4025 | ev_run (EV_A_ EVRUN_NOWAIT); |
3289 | } |
4026 | } |
3290 | |
4027 | |
3291 | ev_embed_start (EV_A_ w); |
4028 | ev_embed_start (EV_A_ w); |
3292 | } |
4029 | } |
3293 | |
4030 | |
… | |
… | |
3341 | |
4078 | |
3342 | ev_io_stop (EV_A_ &w->io); |
4079 | ev_io_stop (EV_A_ &w->io); |
3343 | ev_prepare_stop (EV_A_ &w->prepare); |
4080 | ev_prepare_stop (EV_A_ &w->prepare); |
3344 | ev_fork_stop (EV_A_ &w->fork); |
4081 | ev_fork_stop (EV_A_ &w->fork); |
3345 | |
4082 | |
|
|
4083 | ev_stop (EV_A_ (W)w); |
|
|
4084 | |
3346 | EV_FREQUENT_CHECK; |
4085 | EV_FREQUENT_CHECK; |
3347 | } |
4086 | } |
3348 | #endif |
4087 | #endif |
3349 | |
4088 | |
3350 | #if EV_FORK_ENABLE |
4089 | #if EV_FORK_ENABLE |
… | |
… | |
3383 | |
4122 | |
3384 | EV_FREQUENT_CHECK; |
4123 | EV_FREQUENT_CHECK; |
3385 | } |
4124 | } |
3386 | #endif |
4125 | #endif |
3387 | |
4126 | |
|
|
4127 | #if EV_CLEANUP_ENABLE |
|
|
4128 | void |
|
|
4129 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
|
|
4130 | { |
|
|
4131 | if (expect_false (ev_is_active (w))) |
|
|
4132 | return; |
|
|
4133 | |
|
|
4134 | EV_FREQUENT_CHECK; |
|
|
4135 | |
|
|
4136 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
4137 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
4138 | cleanups [cleanupcnt - 1] = w; |
|
|
4139 | |
|
|
4140 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
4141 | ev_unref (EV_A); |
|
|
4142 | EV_FREQUENT_CHECK; |
|
|
4143 | } |
|
|
4144 | |
|
|
4145 | void |
|
|
4146 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
4147 | { |
|
|
4148 | clear_pending (EV_A_ (W)w); |
|
|
4149 | if (expect_false (!ev_is_active (w))) |
|
|
4150 | return; |
|
|
4151 | |
|
|
4152 | EV_FREQUENT_CHECK; |
|
|
4153 | ev_ref (EV_A); |
|
|
4154 | |
|
|
4155 | { |
|
|
4156 | int active = ev_active (w); |
|
|
4157 | |
|
|
4158 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
4159 | ev_active (cleanups [active - 1]) = active; |
|
|
4160 | } |
|
|
4161 | |
|
|
4162 | ev_stop (EV_A_ (W)w); |
|
|
4163 | |
|
|
4164 | EV_FREQUENT_CHECK; |
|
|
4165 | } |
|
|
4166 | #endif |
|
|
4167 | |
3388 | #if EV_ASYNC_ENABLE |
4168 | #if EV_ASYNC_ENABLE |
3389 | void |
4169 | void |
3390 | ev_async_start (EV_P_ ev_async *w) |
4170 | ev_async_start (EV_P_ ev_async *w) |
3391 | { |
4171 | { |
3392 | if (expect_false (ev_is_active (w))) |
4172 | if (expect_false (ev_is_active (w))) |
3393 | return; |
4173 | return; |
|
|
4174 | |
|
|
4175 | w->sent = 0; |
3394 | |
4176 | |
3395 | evpipe_init (EV_A); |
4177 | evpipe_init (EV_A); |
3396 | |
4178 | |
3397 | EV_FREQUENT_CHECK; |
4179 | EV_FREQUENT_CHECK; |
3398 | |
4180 | |
… | |
… | |
3476 | { |
4258 | { |
3477 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4259 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3478 | |
4260 | |
3479 | if (expect_false (!once)) |
4261 | if (expect_false (!once)) |
3480 | { |
4262 | { |
3481 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
4263 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3482 | return; |
4264 | return; |
3483 | } |
4265 | } |
3484 | |
4266 | |
3485 | once->cb = cb; |
4267 | once->cb = cb; |
3486 | once->arg = arg; |
4268 | once->arg = arg; |
… | |
… | |
3501 | } |
4283 | } |
3502 | |
4284 | |
3503 | /*****************************************************************************/ |
4285 | /*****************************************************************************/ |
3504 | |
4286 | |
3505 | #if EV_WALK_ENABLE |
4287 | #if EV_WALK_ENABLE |
3506 | void |
4288 | void ecb_cold |
3507 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4289 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
3508 | { |
4290 | { |
3509 | int i, j; |
4291 | int i, j; |
3510 | ev_watcher_list *wl, *wn; |
4292 | ev_watcher_list *wl, *wn; |
3511 | |
4293 | |
… | |
… | |
3555 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
4337 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
3556 | #endif |
4338 | #endif |
3557 | |
4339 | |
3558 | #if EV_IDLE_ENABLE |
4340 | #if EV_IDLE_ENABLE |
3559 | if (types & EV_IDLE) |
4341 | if (types & EV_IDLE) |
3560 | for (j = NUMPRI; i--; ) |
4342 | for (j = NUMPRI; j--; ) |
3561 | for (i = idlecnt [j]; i--; ) |
4343 | for (i = idlecnt [j]; i--; ) |
3562 | cb (EV_A_ EV_IDLE, idles [j][i]); |
4344 | cb (EV_A_ EV_IDLE, idles [j][i]); |
3563 | #endif |
4345 | #endif |
3564 | |
4346 | |
3565 | #if EV_FORK_ENABLE |
4347 | #if EV_FORK_ENABLE |
… | |
… | |
3573 | if (types & EV_ASYNC) |
4355 | if (types & EV_ASYNC) |
3574 | for (i = asynccnt; i--; ) |
4356 | for (i = asynccnt; i--; ) |
3575 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
4357 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3576 | #endif |
4358 | #endif |
3577 | |
4359 | |
|
|
4360 | #if EV_PREPARE_ENABLE |
3578 | if (types & EV_PREPARE) |
4361 | if (types & EV_PREPARE) |
3579 | for (i = preparecnt; i--; ) |
4362 | for (i = preparecnt; i--; ) |
3580 | #if EV_EMBED_ENABLE |
4363 | # if EV_EMBED_ENABLE |
3581 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
4364 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3582 | #endif |
4365 | # endif |
3583 | cb (EV_A_ EV_PREPARE, prepares [i]); |
4366 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
4367 | #endif |
3584 | |
4368 | |
|
|
4369 | #if EV_CHECK_ENABLE |
3585 | if (types & EV_CHECK) |
4370 | if (types & EV_CHECK) |
3586 | for (i = checkcnt; i--; ) |
4371 | for (i = checkcnt; i--; ) |
3587 | cb (EV_A_ EV_CHECK, checks [i]); |
4372 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
4373 | #endif |
3588 | |
4374 | |
|
|
4375 | #if EV_SIGNAL_ENABLE |
3589 | if (types & EV_SIGNAL) |
4376 | if (types & EV_SIGNAL) |
3590 | for (i = 0; i < EV_NSIG - 1; ++i) |
4377 | for (i = 0; i < EV_NSIG - 1; ++i) |
3591 | for (wl = signals [i].head; wl; ) |
4378 | for (wl = signals [i].head; wl; ) |
3592 | { |
4379 | { |
3593 | wn = wl->next; |
4380 | wn = wl->next; |
3594 | cb (EV_A_ EV_SIGNAL, wl); |
4381 | cb (EV_A_ EV_SIGNAL, wl); |
3595 | wl = wn; |
4382 | wl = wn; |
3596 | } |
4383 | } |
|
|
4384 | #endif |
3597 | |
4385 | |
|
|
4386 | #if EV_CHILD_ENABLE |
3598 | if (types & EV_CHILD) |
4387 | if (types & EV_CHILD) |
3599 | for (i = EV_PID_HASHSIZE; i--; ) |
4388 | for (i = (EV_PID_HASHSIZE); i--; ) |
3600 | for (wl = childs [i]; wl; ) |
4389 | for (wl = childs [i]; wl; ) |
3601 | { |
4390 | { |
3602 | wn = wl->next; |
4391 | wn = wl->next; |
3603 | cb (EV_A_ EV_CHILD, wl); |
4392 | cb (EV_A_ EV_CHILD, wl); |
3604 | wl = wn; |
4393 | wl = wn; |
3605 | } |
4394 | } |
|
|
4395 | #endif |
3606 | /* EV_STAT 0x00001000 /* stat data changed */ |
4396 | /* EV_STAT 0x00001000 /* stat data changed */ |
3607 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
4397 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3608 | } |
4398 | } |
3609 | #endif |
4399 | #endif |
3610 | |
4400 | |
3611 | #if EV_MULTIPLICITY |
4401 | #if EV_MULTIPLICITY |
3612 | #include "ev_wrap.h" |
4402 | #include "ev_wrap.h" |
3613 | #endif |
4403 | #endif |
3614 | |
4404 | |
3615 | #ifdef __cplusplus |
4405 | EV_CPP(}) |
3616 | } |
|
|
3617 | #endif |
|
|
3618 | |
4406 | |