1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifdef __cplusplus |
|
|
41 | extern "C" { |
|
|
42 | #endif |
|
|
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
40 | /* this big block deduces configuration from config.h */ |
45 | #ifndef EV_STANDALONE |
41 | #ifndef EV_STANDALONE |
46 | # ifdef EV_CONFIG_H |
42 | # ifdef EV_CONFIG_H |
47 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
48 | # else |
44 | # else |
49 | # include "config.h" |
45 | # include "config.h" |
50 | # endif |
46 | # endif |
51 | |
47 | |
|
|
48 | # if HAVE_CLOCK_SYSCALL |
|
|
49 | # ifndef EV_USE_CLOCK_SYSCALL |
|
|
50 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
51 | # ifndef EV_USE_REALTIME |
|
|
52 | # define EV_USE_REALTIME 0 |
|
|
53 | # endif |
|
|
54 | # ifndef EV_USE_MONOTONIC |
|
|
55 | # define EV_USE_MONOTONIC 1 |
|
|
56 | # endif |
|
|
57 | # endif |
|
|
58 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
|
|
59 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
60 | # endif |
|
|
61 | |
52 | # if HAVE_CLOCK_GETTIME |
62 | # if HAVE_CLOCK_GETTIME |
53 | # ifndef EV_USE_MONOTONIC |
63 | # ifndef EV_USE_MONOTONIC |
54 | # define EV_USE_MONOTONIC 1 |
64 | # define EV_USE_MONOTONIC 1 |
55 | # endif |
65 | # endif |
56 | # ifndef EV_USE_REALTIME |
66 | # ifndef EV_USE_REALTIME |
57 | # define EV_USE_REALTIME 1 |
67 | # define EV_USE_REALTIME 0 |
58 | # endif |
68 | # endif |
59 | # else |
69 | # else |
60 | # ifndef EV_USE_MONOTONIC |
70 | # ifndef EV_USE_MONOTONIC |
61 | # define EV_USE_MONOTONIC 0 |
71 | # define EV_USE_MONOTONIC 0 |
62 | # endif |
72 | # endif |
63 | # ifndef EV_USE_REALTIME |
73 | # ifndef EV_USE_REALTIME |
64 | # define EV_USE_REALTIME 0 |
74 | # define EV_USE_REALTIME 0 |
65 | # endif |
75 | # endif |
66 | # endif |
76 | # endif |
67 | |
77 | |
|
|
78 | # if HAVE_NANOSLEEP |
68 | # ifndef EV_USE_NANOSLEEP |
79 | # ifndef EV_USE_NANOSLEEP |
69 | # if HAVE_NANOSLEEP |
|
|
70 | # define EV_USE_NANOSLEEP 1 |
80 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
81 | # endif |
71 | # else |
82 | # else |
|
|
83 | # undef EV_USE_NANOSLEEP |
72 | # define EV_USE_NANOSLEEP 0 |
84 | # define EV_USE_NANOSLEEP 0 |
|
|
85 | # endif |
|
|
86 | |
|
|
87 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
88 | # ifndef EV_USE_SELECT |
|
|
89 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
73 | # endif |
90 | # endif |
|
|
91 | # else |
|
|
92 | # undef EV_USE_SELECT |
|
|
93 | # define EV_USE_SELECT 0 |
74 | # endif |
94 | # endif |
75 | |
95 | |
|
|
96 | # if HAVE_POLL && HAVE_POLL_H |
76 | # ifndef EV_USE_SELECT |
97 | # ifndef EV_USE_POLL |
77 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
98 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
78 | # define EV_USE_SELECT 1 |
|
|
79 | # else |
|
|
80 | # define EV_USE_SELECT 0 |
|
|
81 | # endif |
99 | # endif |
82 | # endif |
|
|
83 | |
|
|
84 | # ifndef EV_USE_POLL |
|
|
85 | # if HAVE_POLL && HAVE_POLL_H |
|
|
86 | # define EV_USE_POLL 1 |
|
|
87 | # else |
100 | # else |
|
|
101 | # undef EV_USE_POLL |
88 | # define EV_USE_POLL 0 |
102 | # define EV_USE_POLL 0 |
89 | # endif |
|
|
90 | # endif |
103 | # endif |
91 | |
104 | |
92 | # ifndef EV_USE_EPOLL |
|
|
93 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
105 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
94 | # define EV_USE_EPOLL 1 |
106 | # ifndef EV_USE_EPOLL |
95 | # else |
107 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
96 | # define EV_USE_EPOLL 0 |
|
|
97 | # endif |
108 | # endif |
|
|
109 | # else |
|
|
110 | # undef EV_USE_EPOLL |
|
|
111 | # define EV_USE_EPOLL 0 |
98 | # endif |
112 | # endif |
99 | |
113 | |
|
|
114 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
100 | # ifndef EV_USE_KQUEUE |
115 | # ifndef EV_USE_KQUEUE |
101 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
116 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
102 | # define EV_USE_KQUEUE 1 |
|
|
103 | # else |
|
|
104 | # define EV_USE_KQUEUE 0 |
|
|
105 | # endif |
117 | # endif |
|
|
118 | # else |
|
|
119 | # undef EV_USE_KQUEUE |
|
|
120 | # define EV_USE_KQUEUE 0 |
106 | # endif |
121 | # endif |
107 | |
122 | |
108 | # ifndef EV_USE_PORT |
|
|
109 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
110 | # define EV_USE_PORT 1 |
124 | # ifndef EV_USE_PORT |
111 | # else |
125 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
112 | # define EV_USE_PORT 0 |
|
|
113 | # endif |
126 | # endif |
|
|
127 | # else |
|
|
128 | # undef EV_USE_PORT |
|
|
129 | # define EV_USE_PORT 0 |
114 | # endif |
130 | # endif |
115 | |
131 | |
116 | # ifndef EV_USE_INOTIFY |
|
|
117 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
118 | # define EV_USE_INOTIFY 1 |
133 | # ifndef EV_USE_INOTIFY |
119 | # else |
|
|
120 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY EV_FEATURE_OS |
121 | # endif |
135 | # endif |
|
|
136 | # else |
|
|
137 | # undef EV_USE_INOTIFY |
|
|
138 | # define EV_USE_INOTIFY 0 |
122 | # endif |
139 | # endif |
123 | |
140 | |
|
|
141 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
124 | # ifndef EV_USE_EVENTFD |
142 | # ifndef EV_USE_SIGNALFD |
125 | # if HAVE_EVENTFD |
143 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
126 | # define EV_USE_EVENTFD 1 |
|
|
127 | # else |
|
|
128 | # define EV_USE_EVENTFD 0 |
|
|
129 | # endif |
144 | # endif |
|
|
145 | # else |
|
|
146 | # undef EV_USE_SIGNALFD |
|
|
147 | # define EV_USE_SIGNALFD 0 |
|
|
148 | # endif |
|
|
149 | |
|
|
150 | # if HAVE_EVENTFD |
|
|
151 | # ifndef EV_USE_EVENTFD |
|
|
152 | # define EV_USE_EVENTFD EV_FEATURE_OS |
|
|
153 | # endif |
|
|
154 | # else |
|
|
155 | # undef EV_USE_EVENTFD |
|
|
156 | # define EV_USE_EVENTFD 0 |
130 | # endif |
157 | # endif |
131 | |
158 | |
132 | #endif |
159 | #endif |
133 | |
160 | |
134 | #include <math.h> |
161 | #include <math.h> |
135 | #include <stdlib.h> |
162 | #include <stdlib.h> |
|
|
163 | #include <string.h> |
136 | #include <fcntl.h> |
164 | #include <fcntl.h> |
137 | #include <stddef.h> |
165 | #include <stddef.h> |
138 | |
166 | |
139 | #include <stdio.h> |
167 | #include <stdio.h> |
140 | |
168 | |
141 | #include <assert.h> |
169 | #include <assert.h> |
142 | #include <errno.h> |
170 | #include <errno.h> |
143 | #include <sys/types.h> |
171 | #include <sys/types.h> |
144 | #include <time.h> |
172 | #include <time.h> |
|
|
173 | #include <limits.h> |
145 | |
174 | |
146 | #include <signal.h> |
175 | #include <signal.h> |
147 | |
176 | |
148 | #ifdef EV_H |
177 | #ifdef EV_H |
149 | # include EV_H |
178 | # include EV_H |
150 | #else |
179 | #else |
151 | # include "ev.h" |
180 | # include "ev.h" |
152 | #endif |
181 | #endif |
|
|
182 | |
|
|
183 | EV_CPP(extern "C" {) |
153 | |
184 | |
154 | #ifndef _WIN32 |
185 | #ifndef _WIN32 |
155 | # include <sys/time.h> |
186 | # include <sys/time.h> |
156 | # include <sys/wait.h> |
187 | # include <sys/wait.h> |
157 | # include <unistd.h> |
188 | # include <unistd.h> |
… | |
… | |
160 | # define WIN32_LEAN_AND_MEAN |
191 | # define WIN32_LEAN_AND_MEAN |
161 | # include <windows.h> |
192 | # include <windows.h> |
162 | # ifndef EV_SELECT_IS_WINSOCKET |
193 | # ifndef EV_SELECT_IS_WINSOCKET |
163 | # define EV_SELECT_IS_WINSOCKET 1 |
194 | # define EV_SELECT_IS_WINSOCKET 1 |
164 | # endif |
195 | # endif |
|
|
196 | # undef EV_AVOID_STDIO |
165 | #endif |
197 | #endif |
|
|
198 | |
|
|
199 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
200 | * a limit of 1024 into their select. Where people have brains, |
|
|
201 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
202 | * ordered to have a vacuum, or they do anything for money. |
|
|
203 | * This might help. Or not. |
|
|
204 | */ |
|
|
205 | #define _DARWIN_UNLIMITED_SELECT 1 |
166 | |
206 | |
167 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
207 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
|
|
208 | |
|
|
209 | /* try to deduce the maximum number of signals on this platform */ |
|
|
210 | #if defined (EV_NSIG) |
|
|
211 | /* use what's provided */ |
|
|
212 | #elif defined (NSIG) |
|
|
213 | # define EV_NSIG (NSIG) |
|
|
214 | #elif defined(_NSIG) |
|
|
215 | # define EV_NSIG (_NSIG) |
|
|
216 | #elif defined (SIGMAX) |
|
|
217 | # define EV_NSIG (SIGMAX+1) |
|
|
218 | #elif defined (SIG_MAX) |
|
|
219 | # define EV_NSIG (SIG_MAX+1) |
|
|
220 | #elif defined (_SIG_MAX) |
|
|
221 | # define EV_NSIG (_SIG_MAX+1) |
|
|
222 | #elif defined (MAXSIG) |
|
|
223 | # define EV_NSIG (MAXSIG+1) |
|
|
224 | #elif defined (MAX_SIG) |
|
|
225 | # define EV_NSIG (MAX_SIG+1) |
|
|
226 | #elif defined (SIGARRAYSIZE) |
|
|
227 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
|
|
228 | #elif defined (_sys_nsig) |
|
|
229 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
|
|
230 | #else |
|
|
231 | # error "unable to find value for NSIG, please report" |
|
|
232 | /* to make it compile regardless, just remove the above line, */ |
|
|
233 | /* but consider reporting it, too! :) */ |
|
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234 | # define EV_NSIG 65 |
|
|
235 | #endif |
|
|
236 | |
|
|
237 | #ifndef EV_USE_CLOCK_SYSCALL |
|
|
238 | # if __linux && __GLIBC__ >= 2 |
|
|
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
|
|
240 | # else |
|
|
241 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
242 | # endif |
|
|
243 | #endif |
168 | |
244 | |
169 | #ifndef EV_USE_MONOTONIC |
245 | #ifndef EV_USE_MONOTONIC |
170 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
171 | # define EV_USE_MONOTONIC 1 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
172 | # else |
248 | # else |
173 | # define EV_USE_MONOTONIC 0 |
249 | # define EV_USE_MONOTONIC 0 |
174 | # endif |
250 | # endif |
175 | #endif |
251 | #endif |
176 | |
252 | |
177 | #ifndef EV_USE_REALTIME |
253 | #ifndef EV_USE_REALTIME |
178 | # define EV_USE_REALTIME 0 |
254 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
179 | #endif |
255 | #endif |
180 | |
256 | |
181 | #ifndef EV_USE_NANOSLEEP |
257 | #ifndef EV_USE_NANOSLEEP |
182 | # if _POSIX_C_SOURCE >= 199309L |
258 | # if _POSIX_C_SOURCE >= 199309L |
183 | # define EV_USE_NANOSLEEP 1 |
259 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
184 | # else |
260 | # else |
185 | # define EV_USE_NANOSLEEP 0 |
261 | # define EV_USE_NANOSLEEP 0 |
186 | # endif |
262 | # endif |
187 | #endif |
263 | #endif |
188 | |
264 | |
189 | #ifndef EV_USE_SELECT |
265 | #ifndef EV_USE_SELECT |
190 | # define EV_USE_SELECT 1 |
266 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
191 | #endif |
267 | #endif |
192 | |
268 | |
193 | #ifndef EV_USE_POLL |
269 | #ifndef EV_USE_POLL |
194 | # ifdef _WIN32 |
270 | # ifdef _WIN32 |
195 | # define EV_USE_POLL 0 |
271 | # define EV_USE_POLL 0 |
196 | # else |
272 | # else |
197 | # define EV_USE_POLL 1 |
273 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
198 | # endif |
274 | # endif |
199 | #endif |
275 | #endif |
200 | |
276 | |
201 | #ifndef EV_USE_EPOLL |
277 | #ifndef EV_USE_EPOLL |
202 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
203 | # define EV_USE_EPOLL 1 |
279 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
204 | # else |
280 | # else |
205 | # define EV_USE_EPOLL 0 |
281 | # define EV_USE_EPOLL 0 |
206 | # endif |
282 | # endif |
207 | #endif |
283 | #endif |
208 | |
284 | |
… | |
… | |
214 | # define EV_USE_PORT 0 |
290 | # define EV_USE_PORT 0 |
215 | #endif |
291 | #endif |
216 | |
292 | |
217 | #ifndef EV_USE_INOTIFY |
293 | #ifndef EV_USE_INOTIFY |
218 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
294 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
219 | # define EV_USE_INOTIFY 1 |
295 | # define EV_USE_INOTIFY EV_FEATURE_OS |
220 | # else |
296 | # else |
221 | # define EV_USE_INOTIFY 0 |
297 | # define EV_USE_INOTIFY 0 |
222 | # endif |
298 | # endif |
223 | #endif |
299 | #endif |
224 | |
300 | |
225 | #ifndef EV_PID_HASHSIZE |
301 | #ifndef EV_PID_HASHSIZE |
226 | # if EV_MINIMAL |
302 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
227 | # define EV_PID_HASHSIZE 1 |
|
|
228 | # else |
|
|
229 | # define EV_PID_HASHSIZE 16 |
|
|
230 | # endif |
|
|
231 | #endif |
303 | #endif |
232 | |
304 | |
233 | #ifndef EV_INOTIFY_HASHSIZE |
305 | #ifndef EV_INOTIFY_HASHSIZE |
234 | # if EV_MINIMAL |
306 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
235 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
236 | # else |
|
|
237 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
238 | # endif |
|
|
239 | #endif |
307 | #endif |
240 | |
308 | |
241 | #ifndef EV_USE_EVENTFD |
309 | #ifndef EV_USE_EVENTFD |
242 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
243 | # define EV_USE_EVENTFD 1 |
311 | # define EV_USE_EVENTFD EV_FEATURE_OS |
244 | # else |
312 | # else |
245 | # define EV_USE_EVENTFD 0 |
313 | # define EV_USE_EVENTFD 0 |
|
|
314 | # endif |
|
|
315 | #endif |
|
|
316 | |
|
|
317 | #ifndef EV_USE_SIGNALFD |
|
|
318 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
319 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
|
|
320 | # else |
|
|
321 | # define EV_USE_SIGNALFD 0 |
246 | # endif |
322 | # endif |
247 | #endif |
323 | #endif |
248 | |
324 | |
249 | #if 0 /* debugging */ |
325 | #if 0 /* debugging */ |
250 | # define EV_VERIFY 3 |
326 | # define EV_VERIFY 3 |
251 | # define EV_USE_4HEAP 1 |
327 | # define EV_USE_4HEAP 1 |
252 | # define EV_HEAP_CACHE_AT 1 |
328 | # define EV_HEAP_CACHE_AT 1 |
253 | #endif |
329 | #endif |
254 | |
330 | |
255 | #ifndef EV_VERIFY |
331 | #ifndef EV_VERIFY |
256 | # define EV_VERIFY !EV_MINIMAL |
332 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
257 | #endif |
333 | #endif |
258 | |
334 | |
259 | #ifndef EV_USE_4HEAP |
335 | #ifndef EV_USE_4HEAP |
260 | # define EV_USE_4HEAP !EV_MINIMAL |
336 | # define EV_USE_4HEAP EV_FEATURE_DATA |
261 | #endif |
337 | #endif |
262 | |
338 | |
263 | #ifndef EV_HEAP_CACHE_AT |
339 | #ifndef EV_HEAP_CACHE_AT |
264 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
340 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
|
|
341 | #endif |
|
|
342 | |
|
|
343 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
344 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
345 | #if EV_USE_CLOCK_SYSCALL |
|
|
346 | # include <syscall.h> |
|
|
347 | # ifdef SYS_clock_gettime |
|
|
348 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
349 | # undef EV_USE_MONOTONIC |
|
|
350 | # define EV_USE_MONOTONIC 1 |
|
|
351 | # else |
|
|
352 | # undef EV_USE_CLOCK_SYSCALL |
|
|
353 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
354 | # endif |
265 | #endif |
355 | #endif |
266 | |
356 | |
267 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
357 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
|
|
358 | |
|
|
359 | #ifdef _AIX |
|
|
360 | /* AIX has a completely broken poll.h header */ |
|
|
361 | # undef EV_USE_POLL |
|
|
362 | # define EV_USE_POLL 0 |
|
|
363 | #endif |
268 | |
364 | |
269 | #ifndef CLOCK_MONOTONIC |
365 | #ifndef CLOCK_MONOTONIC |
270 | # undef EV_USE_MONOTONIC |
366 | # undef EV_USE_MONOTONIC |
271 | # define EV_USE_MONOTONIC 0 |
367 | # define EV_USE_MONOTONIC 0 |
272 | #endif |
368 | #endif |
… | |
… | |
286 | # include <sys/select.h> |
382 | # include <sys/select.h> |
287 | # endif |
383 | # endif |
288 | #endif |
384 | #endif |
289 | |
385 | |
290 | #if EV_USE_INOTIFY |
386 | #if EV_USE_INOTIFY |
|
|
387 | # include <sys/statfs.h> |
291 | # include <sys/inotify.h> |
388 | # include <sys/inotify.h> |
292 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
389 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
293 | # ifndef IN_DONT_FOLLOW |
390 | # ifndef IN_DONT_FOLLOW |
294 | # undef EV_USE_INOTIFY |
391 | # undef EV_USE_INOTIFY |
295 | # define EV_USE_INOTIFY 0 |
392 | # define EV_USE_INOTIFY 0 |
… | |
… | |
301 | #endif |
398 | #endif |
302 | |
399 | |
303 | #if EV_USE_EVENTFD |
400 | #if EV_USE_EVENTFD |
304 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
401 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
305 | # include <stdint.h> |
402 | # include <stdint.h> |
306 | # ifdef __cplusplus |
403 | # ifndef EFD_NONBLOCK |
307 | extern "C" { |
404 | # define EFD_NONBLOCK O_NONBLOCK |
308 | # endif |
405 | # endif |
309 | int eventfd (unsigned int initval, int flags); |
406 | # ifndef EFD_CLOEXEC |
310 | # ifdef __cplusplus |
407 | # ifdef O_CLOEXEC |
311 | } |
408 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
409 | # else |
|
|
410 | # define EFD_CLOEXEC 02000000 |
|
|
411 | # endif |
312 | # endif |
412 | # endif |
|
|
413 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
|
|
414 | #endif |
|
|
415 | |
|
|
416 | #if EV_USE_SIGNALFD |
|
|
417 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
418 | # include <stdint.h> |
|
|
419 | # ifndef SFD_NONBLOCK |
|
|
420 | # define SFD_NONBLOCK O_NONBLOCK |
|
|
421 | # endif |
|
|
422 | # ifndef SFD_CLOEXEC |
|
|
423 | # ifdef O_CLOEXEC |
|
|
424 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
425 | # else |
|
|
426 | # define SFD_CLOEXEC 02000000 |
|
|
427 | # endif |
|
|
428 | # endif |
|
|
429 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
|
|
430 | |
|
|
431 | struct signalfd_siginfo |
|
|
432 | { |
|
|
433 | uint32_t ssi_signo; |
|
|
434 | char pad[128 - sizeof (uint32_t)]; |
|
|
435 | }; |
313 | #endif |
436 | #endif |
314 | |
437 | |
315 | /**/ |
438 | /**/ |
316 | |
439 | |
317 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
318 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
319 | #else |
442 | #else |
320 | # define EV_FREQUENT_CHECK do { } while (0) |
443 | # define EV_FREQUENT_CHECK do { } while (0) |
321 | #endif |
444 | #endif |
322 | |
445 | |
323 | /* |
446 | /* |
… | |
… | |
330 | */ |
453 | */ |
331 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
332 | |
455 | |
333 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
456 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
334 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
457 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
335 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
458 | |
|
|
459 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
460 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
336 | |
461 | |
337 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
338 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
339 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
340 | #else |
465 | #else |
… | |
… | |
347 | |
472 | |
348 | #define expect_false(expr) expect ((expr) != 0, 0) |
473 | #define expect_false(expr) expect ((expr) != 0, 0) |
349 | #define expect_true(expr) expect ((expr) != 0, 1) |
474 | #define expect_true(expr) expect ((expr) != 0, 1) |
350 | #define inline_size static inline |
475 | #define inline_size static inline |
351 | |
476 | |
352 | #if EV_MINIMAL |
477 | #if EV_FEATURE_CODE |
|
|
478 | # define inline_speed static inline |
|
|
479 | #else |
353 | # define inline_speed static noinline |
480 | # define inline_speed static noinline |
|
|
481 | #endif |
|
|
482 | |
|
|
483 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
484 | |
|
|
485 | #if EV_MINPRI == EV_MAXPRI |
|
|
486 | # define ABSPRI(w) (((W)w), 0) |
354 | #else |
487 | #else |
355 | # define inline_speed static inline |
|
|
356 | #endif |
|
|
357 | |
|
|
358 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
359 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
488 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
|
|
489 | #endif |
360 | |
490 | |
361 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
491 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
362 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
492 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
363 | |
493 | |
364 | typedef ev_watcher *W; |
494 | typedef ev_watcher *W; |
… | |
… | |
366 | typedef ev_watcher_time *WT; |
496 | typedef ev_watcher_time *WT; |
367 | |
497 | |
368 | #define ev_active(w) ((W)(w))->active |
498 | #define ev_active(w) ((W)(w))->active |
369 | #define ev_at(w) ((WT)(w))->at |
499 | #define ev_at(w) ((WT)(w))->at |
370 | |
500 | |
|
|
501 | #if EV_USE_REALTIME |
|
|
502 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
503 | /* giving it a reasonably high chance of working on typical architectures */ |
|
|
504 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
|
|
505 | #endif |
|
|
506 | |
371 | #if EV_USE_MONOTONIC |
507 | #if EV_USE_MONOTONIC |
372 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
373 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
|
374 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
508 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
|
|
509 | #endif |
|
|
510 | |
|
|
511 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
512 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
513 | #endif |
|
|
514 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
515 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
516 | #endif |
|
|
517 | #ifndef EV_WIN32_CLOSE_FD |
|
|
518 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
375 | #endif |
519 | #endif |
376 | |
520 | |
377 | #ifdef _WIN32 |
521 | #ifdef _WIN32 |
378 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
379 | #endif |
523 | #endif |
380 | |
524 | |
381 | /*****************************************************************************/ |
525 | /*****************************************************************************/ |
382 | |
526 | |
|
|
527 | #ifdef __linux |
|
|
528 | # include <sys/utsname.h> |
|
|
529 | #endif |
|
|
530 | |
|
|
531 | static unsigned int noinline |
|
|
532 | ev_linux_version (void) |
|
|
533 | { |
|
|
534 | #ifdef __linux |
|
|
535 | unsigned int v = 0; |
|
|
536 | struct utsname buf; |
|
|
537 | int i; |
|
|
538 | char *p = buf.release; |
|
|
539 | |
|
|
540 | if (uname (&buf)) |
|
|
541 | return 0; |
|
|
542 | |
|
|
543 | for (i = 3+1; --i; ) |
|
|
544 | { |
|
|
545 | unsigned int c = 0; |
|
|
546 | |
|
|
547 | for (;;) |
|
|
548 | { |
|
|
549 | if (*p >= '0' && *p <= '9') |
|
|
550 | c = c * 10 + *p++ - '0'; |
|
|
551 | else |
|
|
552 | { |
|
|
553 | p += *p == '.'; |
|
|
554 | break; |
|
|
555 | } |
|
|
556 | } |
|
|
557 | |
|
|
558 | v = (v << 8) | c; |
|
|
559 | } |
|
|
560 | |
|
|
561 | return v; |
|
|
562 | #else |
|
|
563 | return 0; |
|
|
564 | #endif |
|
|
565 | } |
|
|
566 | |
|
|
567 | /*****************************************************************************/ |
|
|
568 | |
|
|
569 | #if EV_AVOID_STDIO |
|
|
570 | static void noinline |
|
|
571 | ev_printerr (const char *msg) |
|
|
572 | { |
|
|
573 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
574 | } |
|
|
575 | #endif |
|
|
576 | |
383 | static void (*syserr_cb)(const char *msg); |
577 | static void (*syserr_cb)(const char *msg); |
384 | |
578 | |
385 | void |
579 | void |
386 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
580 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
387 | { |
581 | { |
388 | syserr_cb = cb; |
582 | syserr_cb = cb; |
389 | } |
583 | } |
390 | |
584 | |
391 | static void noinline |
585 | static void noinline |
392 | syserr (const char *msg) |
586 | ev_syserr (const char *msg) |
393 | { |
587 | { |
394 | if (!msg) |
588 | if (!msg) |
395 | msg = "(libev) system error"; |
589 | msg = "(libev) system error"; |
396 | |
590 | |
397 | if (syserr_cb) |
591 | if (syserr_cb) |
398 | syserr_cb (msg); |
592 | syserr_cb (msg); |
399 | else |
593 | else |
400 | { |
594 | { |
|
|
595 | #if EV_AVOID_STDIO |
|
|
596 | const char *err = strerror (errno); |
|
|
597 | |
|
|
598 | ev_printerr (msg); |
|
|
599 | ev_printerr (": "); |
|
|
600 | ev_printerr (err); |
|
|
601 | ev_printerr ("\n"); |
|
|
602 | #else |
401 | perror (msg); |
603 | perror (msg); |
|
|
604 | #endif |
402 | abort (); |
605 | abort (); |
403 | } |
606 | } |
404 | } |
607 | } |
405 | |
608 | |
406 | static void * |
609 | static void * |
407 | ev_realloc_emul (void *ptr, long size) |
610 | ev_realloc_emul (void *ptr, long size) |
408 | { |
611 | { |
|
|
612 | #if __GLIBC__ |
|
|
613 | return realloc (ptr, size); |
|
|
614 | #else |
409 | /* some systems, notably openbsd and darwin, fail to properly |
615 | /* some systems, notably openbsd and darwin, fail to properly |
410 | * implement realloc (x, 0) (as required by both ansi c-98 and |
616 | * implement realloc (x, 0) (as required by both ansi c-89 and |
411 | * the single unix specification, so work around them here. |
617 | * the single unix specification, so work around them here. |
412 | */ |
618 | */ |
413 | |
619 | |
414 | if (size) |
620 | if (size) |
415 | return realloc (ptr, size); |
621 | return realloc (ptr, size); |
416 | |
622 | |
417 | free (ptr); |
623 | free (ptr); |
418 | return 0; |
624 | return 0; |
|
|
625 | #endif |
419 | } |
626 | } |
420 | |
627 | |
421 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
628 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
422 | |
629 | |
423 | void |
630 | void |
… | |
… | |
431 | { |
638 | { |
432 | ptr = alloc (ptr, size); |
639 | ptr = alloc (ptr, size); |
433 | |
640 | |
434 | if (!ptr && size) |
641 | if (!ptr && size) |
435 | { |
642 | { |
|
|
643 | #if EV_AVOID_STDIO |
|
|
644 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
|
|
645 | #else |
436 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
646 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
647 | #endif |
437 | abort (); |
648 | abort (); |
438 | } |
649 | } |
439 | |
650 | |
440 | return ptr; |
651 | return ptr; |
441 | } |
652 | } |
… | |
… | |
443 | #define ev_malloc(size) ev_realloc (0, (size)) |
654 | #define ev_malloc(size) ev_realloc (0, (size)) |
444 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
655 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
445 | |
656 | |
446 | /*****************************************************************************/ |
657 | /*****************************************************************************/ |
447 | |
658 | |
|
|
659 | /* set in reify when reification needed */ |
|
|
660 | #define EV_ANFD_REIFY 1 |
|
|
661 | |
|
|
662 | /* file descriptor info structure */ |
448 | typedef struct |
663 | typedef struct |
449 | { |
664 | { |
450 | WL head; |
665 | WL head; |
451 | unsigned char events; |
666 | unsigned char events; /* the events watched for */ |
|
|
667 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
|
|
668 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
452 | unsigned char reify; |
669 | unsigned char unused; |
|
|
670 | #if EV_USE_EPOLL |
|
|
671 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
672 | #endif |
453 | #if EV_SELECT_IS_WINSOCKET |
673 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
454 | SOCKET handle; |
674 | SOCKET handle; |
455 | #endif |
675 | #endif |
|
|
676 | #if EV_USE_IOCP |
|
|
677 | OVERLAPPED or, ow; |
|
|
678 | #endif |
456 | } ANFD; |
679 | } ANFD; |
457 | |
680 | |
|
|
681 | /* stores the pending event set for a given watcher */ |
458 | typedef struct |
682 | typedef struct |
459 | { |
683 | { |
460 | W w; |
684 | W w; |
461 | int events; |
685 | int events; /* the pending event set for the given watcher */ |
462 | } ANPENDING; |
686 | } ANPENDING; |
463 | |
687 | |
464 | #if EV_USE_INOTIFY |
688 | #if EV_USE_INOTIFY |
465 | /* hash table entry per inotify-id */ |
689 | /* hash table entry per inotify-id */ |
466 | typedef struct |
690 | typedef struct |
… | |
… | |
469 | } ANFS; |
693 | } ANFS; |
470 | #endif |
694 | #endif |
471 | |
695 | |
472 | /* Heap Entry */ |
696 | /* Heap Entry */ |
473 | #if EV_HEAP_CACHE_AT |
697 | #if EV_HEAP_CACHE_AT |
|
|
698 | /* a heap element */ |
474 | typedef struct { |
699 | typedef struct { |
475 | ev_tstamp at; |
700 | ev_tstamp at; |
476 | WT w; |
701 | WT w; |
477 | } ANHE; |
702 | } ANHE; |
478 | |
703 | |
479 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
704 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
480 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
705 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
481 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
706 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
482 | #else |
707 | #else |
|
|
708 | /* a heap element */ |
483 | typedef WT ANHE; |
709 | typedef WT ANHE; |
484 | |
710 | |
485 | #define ANHE_w(he) (he) |
711 | #define ANHE_w(he) (he) |
486 | #define ANHE_at(he) (he)->at |
712 | #define ANHE_at(he) (he)->at |
487 | #define ANHE_at_cache(he) |
713 | #define ANHE_at_cache(he) |
… | |
… | |
511 | |
737 | |
512 | static int ev_default_loop_ptr; |
738 | static int ev_default_loop_ptr; |
513 | |
739 | |
514 | #endif |
740 | #endif |
515 | |
741 | |
|
|
742 | #if EV_FEATURE_API |
|
|
743 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
|
|
744 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
|
|
745 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
|
|
746 | #else |
|
|
747 | # define EV_RELEASE_CB (void)0 |
|
|
748 | # define EV_ACQUIRE_CB (void)0 |
|
|
749 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
750 | #endif |
|
|
751 | |
|
|
752 | #define EVBREAK_RECURSE 0x80 |
|
|
753 | |
516 | /*****************************************************************************/ |
754 | /*****************************************************************************/ |
517 | |
755 | |
|
|
756 | #ifndef EV_HAVE_EV_TIME |
518 | ev_tstamp |
757 | ev_tstamp |
519 | ev_time (void) |
758 | ev_time (void) |
520 | { |
759 | { |
521 | #if EV_USE_REALTIME |
760 | #if EV_USE_REALTIME |
|
|
761 | if (expect_true (have_realtime)) |
|
|
762 | { |
522 | struct timespec ts; |
763 | struct timespec ts; |
523 | clock_gettime (CLOCK_REALTIME, &ts); |
764 | clock_gettime (CLOCK_REALTIME, &ts); |
524 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
765 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
525 | #else |
766 | } |
|
|
767 | #endif |
|
|
768 | |
526 | struct timeval tv; |
769 | struct timeval tv; |
527 | gettimeofday (&tv, 0); |
770 | gettimeofday (&tv, 0); |
528 | return tv.tv_sec + tv.tv_usec * 1e-6; |
771 | return tv.tv_sec + tv.tv_usec * 1e-6; |
529 | #endif |
|
|
530 | } |
772 | } |
|
|
773 | #endif |
531 | |
774 | |
532 | ev_tstamp inline_size |
775 | inline_size ev_tstamp |
533 | get_clock (void) |
776 | get_clock (void) |
534 | { |
777 | { |
535 | #if EV_USE_MONOTONIC |
778 | #if EV_USE_MONOTONIC |
536 | if (expect_true (have_monotonic)) |
779 | if (expect_true (have_monotonic)) |
537 | { |
780 | { |
… | |
… | |
558 | if (delay > 0.) |
801 | if (delay > 0.) |
559 | { |
802 | { |
560 | #if EV_USE_NANOSLEEP |
803 | #if EV_USE_NANOSLEEP |
561 | struct timespec ts; |
804 | struct timespec ts; |
562 | |
805 | |
563 | ts.tv_sec = (time_t)delay; |
806 | EV_TS_SET (ts, delay); |
564 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
565 | |
|
|
566 | nanosleep (&ts, 0); |
807 | nanosleep (&ts, 0); |
567 | #elif defined(_WIN32) |
808 | #elif defined(_WIN32) |
568 | Sleep ((unsigned long)(delay * 1e3)); |
809 | Sleep ((unsigned long)(delay * 1e3)); |
569 | #else |
810 | #else |
570 | struct timeval tv; |
811 | struct timeval tv; |
571 | |
812 | |
572 | tv.tv_sec = (time_t)delay; |
|
|
573 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
574 | |
|
|
575 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
813 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
576 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
814 | /* something not guaranteed by newer posix versions, but guaranteed */ |
577 | /* by older ones */ |
815 | /* by older ones */ |
|
|
816 | EV_TV_SET (tv, delay); |
578 | select (0, 0, 0, 0, &tv); |
817 | select (0, 0, 0, 0, &tv); |
579 | #endif |
818 | #endif |
580 | } |
819 | } |
581 | } |
820 | } |
582 | |
821 | |
583 | /*****************************************************************************/ |
822 | /*****************************************************************************/ |
584 | |
823 | |
585 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
824 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
586 | |
825 | |
587 | int inline_size |
826 | /* find a suitable new size for the given array, */ |
|
|
827 | /* hopefully by rounding to a nice-to-malloc size */ |
|
|
828 | inline_size int |
588 | array_nextsize (int elem, int cur, int cnt) |
829 | array_nextsize (int elem, int cur, int cnt) |
589 | { |
830 | { |
590 | int ncur = cur + 1; |
831 | int ncur = cur + 1; |
591 | |
832 | |
592 | do |
833 | do |
… | |
… | |
609 | array_realloc (int elem, void *base, int *cur, int cnt) |
850 | array_realloc (int elem, void *base, int *cur, int cnt) |
610 | { |
851 | { |
611 | *cur = array_nextsize (elem, *cur, cnt); |
852 | *cur = array_nextsize (elem, *cur, cnt); |
612 | return ev_realloc (base, elem * *cur); |
853 | return ev_realloc (base, elem * *cur); |
613 | } |
854 | } |
|
|
855 | |
|
|
856 | #define array_init_zero(base,count) \ |
|
|
857 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
614 | |
858 | |
615 | #define array_needsize(type,base,cur,cnt,init) \ |
859 | #define array_needsize(type,base,cur,cnt,init) \ |
616 | if (expect_false ((cnt) > (cur))) \ |
860 | if (expect_false ((cnt) > (cur))) \ |
617 | { \ |
861 | { \ |
618 | int ocur_ = (cur); \ |
862 | int ocur_ = (cur); \ |
… | |
… | |
630 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
874 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
631 | } |
875 | } |
632 | #endif |
876 | #endif |
633 | |
877 | |
634 | #define array_free(stem, idx) \ |
878 | #define array_free(stem, idx) \ |
635 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
879 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
636 | |
880 | |
637 | /*****************************************************************************/ |
881 | /*****************************************************************************/ |
|
|
882 | |
|
|
883 | /* dummy callback for pending events */ |
|
|
884 | static void noinline |
|
|
885 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
886 | { |
|
|
887 | } |
638 | |
888 | |
639 | void noinline |
889 | void noinline |
640 | ev_feed_event (EV_P_ void *w, int revents) |
890 | ev_feed_event (EV_P_ void *w, int revents) |
641 | { |
891 | { |
642 | W w_ = (W)w; |
892 | W w_ = (W)w; |
… | |
… | |
651 | pendings [pri][w_->pending - 1].w = w_; |
901 | pendings [pri][w_->pending - 1].w = w_; |
652 | pendings [pri][w_->pending - 1].events = revents; |
902 | pendings [pri][w_->pending - 1].events = revents; |
653 | } |
903 | } |
654 | } |
904 | } |
655 | |
905 | |
656 | void inline_speed |
906 | inline_speed void |
|
|
907 | feed_reverse (EV_P_ W w) |
|
|
908 | { |
|
|
909 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
910 | rfeeds [rfeedcnt++] = w; |
|
|
911 | } |
|
|
912 | |
|
|
913 | inline_size void |
|
|
914 | feed_reverse_done (EV_P_ int revents) |
|
|
915 | { |
|
|
916 | do |
|
|
917 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
918 | while (rfeedcnt); |
|
|
919 | } |
|
|
920 | |
|
|
921 | inline_speed void |
657 | queue_events (EV_P_ W *events, int eventcnt, int type) |
922 | queue_events (EV_P_ W *events, int eventcnt, int type) |
658 | { |
923 | { |
659 | int i; |
924 | int i; |
660 | |
925 | |
661 | for (i = 0; i < eventcnt; ++i) |
926 | for (i = 0; i < eventcnt; ++i) |
662 | ev_feed_event (EV_A_ events [i], type); |
927 | ev_feed_event (EV_A_ events [i], type); |
663 | } |
928 | } |
664 | |
929 | |
665 | /*****************************************************************************/ |
930 | /*****************************************************************************/ |
666 | |
931 | |
667 | void inline_size |
932 | inline_speed void |
668 | anfds_init (ANFD *base, int count) |
|
|
669 | { |
|
|
670 | while (count--) |
|
|
671 | { |
|
|
672 | base->head = 0; |
|
|
673 | base->events = EV_NONE; |
|
|
674 | base->reify = 0; |
|
|
675 | |
|
|
676 | ++base; |
|
|
677 | } |
|
|
678 | } |
|
|
679 | |
|
|
680 | void inline_speed |
|
|
681 | fd_event (EV_P_ int fd, int revents) |
933 | fd_event_nocheck (EV_P_ int fd, int revents) |
682 | { |
934 | { |
683 | ANFD *anfd = anfds + fd; |
935 | ANFD *anfd = anfds + fd; |
684 | ev_io *w; |
936 | ev_io *w; |
685 | |
937 | |
686 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
938 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
690 | if (ev) |
942 | if (ev) |
691 | ev_feed_event (EV_A_ (W)w, ev); |
943 | ev_feed_event (EV_A_ (W)w, ev); |
692 | } |
944 | } |
693 | } |
945 | } |
694 | |
946 | |
|
|
947 | /* do not submit kernel events for fds that have reify set */ |
|
|
948 | /* because that means they changed while we were polling for new events */ |
|
|
949 | inline_speed void |
|
|
950 | fd_event (EV_P_ int fd, int revents) |
|
|
951 | { |
|
|
952 | ANFD *anfd = anfds + fd; |
|
|
953 | |
|
|
954 | if (expect_true (!anfd->reify)) |
|
|
955 | fd_event_nocheck (EV_A_ fd, revents); |
|
|
956 | } |
|
|
957 | |
695 | void |
958 | void |
696 | ev_feed_fd_event (EV_P_ int fd, int revents) |
959 | ev_feed_fd_event (EV_P_ int fd, int revents) |
697 | { |
960 | { |
698 | if (fd >= 0 && fd < anfdmax) |
961 | if (fd >= 0 && fd < anfdmax) |
699 | fd_event (EV_A_ fd, revents); |
962 | fd_event_nocheck (EV_A_ fd, revents); |
700 | } |
963 | } |
701 | |
964 | |
702 | void inline_size |
965 | /* make sure the external fd watch events are in-sync */ |
|
|
966 | /* with the kernel/libev internal state */ |
|
|
967 | inline_size void |
703 | fd_reify (EV_P) |
968 | fd_reify (EV_P) |
704 | { |
969 | { |
705 | int i; |
970 | int i; |
706 | |
971 | |
707 | for (i = 0; i < fdchangecnt; ++i) |
972 | for (i = 0; i < fdchangecnt; ++i) |
708 | { |
973 | { |
709 | int fd = fdchanges [i]; |
974 | int fd = fdchanges [i]; |
710 | ANFD *anfd = anfds + fd; |
975 | ANFD *anfd = anfds + fd; |
711 | ev_io *w; |
976 | ev_io *w; |
712 | |
977 | |
713 | unsigned char events = 0; |
978 | unsigned char o_events = anfd->events; |
|
|
979 | unsigned char o_reify = anfd->reify; |
714 | |
980 | |
715 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
981 | anfd->reify = 0; |
716 | events |= (unsigned char)w->events; |
|
|
717 | |
982 | |
718 | #if EV_SELECT_IS_WINSOCKET |
983 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
719 | if (events) |
984 | if (o_reify & EV__IOFDSET) |
720 | { |
985 | { |
721 | unsigned long arg; |
986 | unsigned long arg; |
722 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
723 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
987 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
724 | #else |
|
|
725 | anfd->handle = _get_osfhandle (fd); |
|
|
726 | #endif |
|
|
727 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
988 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
989 | printf ("oi %d %x\n", fd, anfd->handle);//D |
728 | } |
990 | } |
729 | #endif |
991 | #endif |
730 | |
992 | |
|
|
993 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
731 | { |
994 | { |
732 | unsigned char o_events = anfd->events; |
|
|
733 | unsigned char o_reify = anfd->reify; |
|
|
734 | |
|
|
735 | anfd->reify = 0; |
|
|
736 | anfd->events = events; |
995 | anfd->events = 0; |
737 | |
996 | |
738 | if (o_events != events || o_reify & EV_IOFDSET) |
997 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
998 | anfd->events |= (unsigned char)w->events; |
|
|
999 | |
|
|
1000 | if (o_events != anfd->events) |
|
|
1001 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
1002 | } |
|
|
1003 | |
|
|
1004 | if (o_reify & EV__IOFDSET) |
739 | backend_modify (EV_A_ fd, o_events, events); |
1005 | backend_modify (EV_A_ fd, o_events, anfd->events); |
740 | } |
|
|
741 | } |
1006 | } |
742 | |
1007 | |
743 | fdchangecnt = 0; |
1008 | fdchangecnt = 0; |
744 | } |
1009 | } |
745 | |
1010 | |
746 | void inline_size |
1011 | /* something about the given fd changed */ |
|
|
1012 | inline_size void |
747 | fd_change (EV_P_ int fd, int flags) |
1013 | fd_change (EV_P_ int fd, int flags) |
748 | { |
1014 | { |
749 | unsigned char reify = anfds [fd].reify; |
1015 | unsigned char reify = anfds [fd].reify; |
750 | anfds [fd].reify |= flags; |
1016 | anfds [fd].reify |= flags; |
751 | |
1017 | |
… | |
… | |
755 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
1021 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
756 | fdchanges [fdchangecnt - 1] = fd; |
1022 | fdchanges [fdchangecnt - 1] = fd; |
757 | } |
1023 | } |
758 | } |
1024 | } |
759 | |
1025 | |
760 | void inline_speed |
1026 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
1027 | inline_speed void |
761 | fd_kill (EV_P_ int fd) |
1028 | fd_kill (EV_P_ int fd) |
762 | { |
1029 | { |
763 | ev_io *w; |
1030 | ev_io *w; |
764 | |
1031 | |
765 | while ((w = (ev_io *)anfds [fd].head)) |
1032 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
767 | ev_io_stop (EV_A_ w); |
1034 | ev_io_stop (EV_A_ w); |
768 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1035 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
769 | } |
1036 | } |
770 | } |
1037 | } |
771 | |
1038 | |
772 | int inline_size |
1039 | /* check whether the given fd is actually valid, for error recovery */ |
|
|
1040 | inline_size int |
773 | fd_valid (int fd) |
1041 | fd_valid (int fd) |
774 | { |
1042 | { |
775 | #ifdef _WIN32 |
1043 | #ifdef _WIN32 |
776 | return _get_osfhandle (fd) != -1; |
1044 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
777 | #else |
1045 | #else |
778 | return fcntl (fd, F_GETFD) != -1; |
1046 | return fcntl (fd, F_GETFD) != -1; |
779 | #endif |
1047 | #endif |
780 | } |
1048 | } |
781 | |
1049 | |
… | |
… | |
799 | |
1067 | |
800 | for (fd = anfdmax; fd--; ) |
1068 | for (fd = anfdmax; fd--; ) |
801 | if (anfds [fd].events) |
1069 | if (anfds [fd].events) |
802 | { |
1070 | { |
803 | fd_kill (EV_A_ fd); |
1071 | fd_kill (EV_A_ fd); |
804 | return; |
1072 | break; |
805 | } |
1073 | } |
806 | } |
1074 | } |
807 | |
1075 | |
808 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1076 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
809 | static void noinline |
1077 | static void noinline |
… | |
… | |
813 | |
1081 | |
814 | for (fd = 0; fd < anfdmax; ++fd) |
1082 | for (fd = 0; fd < anfdmax; ++fd) |
815 | if (anfds [fd].events) |
1083 | if (anfds [fd].events) |
816 | { |
1084 | { |
817 | anfds [fd].events = 0; |
1085 | anfds [fd].events = 0; |
|
|
1086 | anfds [fd].emask = 0; |
818 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
1087 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
819 | } |
1088 | } |
820 | } |
1089 | } |
821 | |
1090 | |
|
|
1091 | /* used to prepare libev internal fd's */ |
|
|
1092 | /* this is not fork-safe */ |
|
|
1093 | inline_speed void |
|
|
1094 | fd_intern (int fd) |
|
|
1095 | { |
|
|
1096 | #ifdef _WIN32 |
|
|
1097 | unsigned long arg = 1; |
|
|
1098 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1099 | #else |
|
|
1100 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1101 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1102 | #endif |
|
|
1103 | } |
|
|
1104 | |
822 | /*****************************************************************************/ |
1105 | /*****************************************************************************/ |
823 | |
1106 | |
824 | /* |
1107 | /* |
825 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1108 | * the heap functions want a real array index. array index 0 is guaranteed to not |
826 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1109 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
827 | * the branching factor of the d-tree. |
1110 | * the branching factor of the d-tree. |
828 | */ |
1111 | */ |
829 | |
1112 | |
830 | /* |
1113 | /* |
… | |
… | |
839 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
1122 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
840 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
1123 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
841 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
1124 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
842 | |
1125 | |
843 | /* away from the root */ |
1126 | /* away from the root */ |
844 | void inline_speed |
1127 | inline_speed void |
845 | downheap (ANHE *heap, int N, int k) |
1128 | downheap (ANHE *heap, int N, int k) |
846 | { |
1129 | { |
847 | ANHE he = heap [k]; |
1130 | ANHE he = heap [k]; |
848 | ANHE *E = heap + N + HEAP0; |
1131 | ANHE *E = heap + N + HEAP0; |
849 | |
1132 | |
… | |
… | |
889 | #define HEAP0 1 |
1172 | #define HEAP0 1 |
890 | #define HPARENT(k) ((k) >> 1) |
1173 | #define HPARENT(k) ((k) >> 1) |
891 | #define UPHEAP_DONE(p,k) (!(p)) |
1174 | #define UPHEAP_DONE(p,k) (!(p)) |
892 | |
1175 | |
893 | /* away from the root */ |
1176 | /* away from the root */ |
894 | void inline_speed |
1177 | inline_speed void |
895 | downheap (ANHE *heap, int N, int k) |
1178 | downheap (ANHE *heap, int N, int k) |
896 | { |
1179 | { |
897 | ANHE he = heap [k]; |
1180 | ANHE he = heap [k]; |
898 | |
1181 | |
899 | for (;;) |
1182 | for (;;) |
900 | { |
1183 | { |
901 | int c = k << 1; |
1184 | int c = k << 1; |
902 | |
1185 | |
903 | if (c > N + HEAP0 - 1) |
1186 | if (c >= N + HEAP0) |
904 | break; |
1187 | break; |
905 | |
1188 | |
906 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1189 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
907 | ? 1 : 0; |
1190 | ? 1 : 0; |
908 | |
1191 | |
… | |
… | |
919 | ev_active (ANHE_w (he)) = k; |
1202 | ev_active (ANHE_w (he)) = k; |
920 | } |
1203 | } |
921 | #endif |
1204 | #endif |
922 | |
1205 | |
923 | /* towards the root */ |
1206 | /* towards the root */ |
924 | void inline_speed |
1207 | inline_speed void |
925 | upheap (ANHE *heap, int k) |
1208 | upheap (ANHE *heap, int k) |
926 | { |
1209 | { |
927 | ANHE he = heap [k]; |
1210 | ANHE he = heap [k]; |
928 | |
1211 | |
929 | for (;;) |
1212 | for (;;) |
… | |
… | |
940 | |
1223 | |
941 | heap [k] = he; |
1224 | heap [k] = he; |
942 | ev_active (ANHE_w (he)) = k; |
1225 | ev_active (ANHE_w (he)) = k; |
943 | } |
1226 | } |
944 | |
1227 | |
945 | void inline_size |
1228 | /* move an element suitably so it is in a correct place */ |
|
|
1229 | inline_size void |
946 | adjustheap (ANHE *heap, int N, int k) |
1230 | adjustheap (ANHE *heap, int N, int k) |
947 | { |
1231 | { |
948 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1232 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
949 | upheap (heap, k); |
1233 | upheap (heap, k); |
950 | else |
1234 | else |
951 | downheap (heap, N, k); |
1235 | downheap (heap, N, k); |
952 | } |
1236 | } |
953 | |
1237 | |
954 | /* rebuild the heap: this function is used only once and executed rarely */ |
1238 | /* rebuild the heap: this function is used only once and executed rarely */ |
955 | void inline_size |
1239 | inline_size void |
956 | reheap (ANHE *heap, int N) |
1240 | reheap (ANHE *heap, int N) |
957 | { |
1241 | { |
958 | int i; |
1242 | int i; |
959 | |
1243 | |
960 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
1244 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
… | |
… | |
963 | upheap (heap, i + HEAP0); |
1247 | upheap (heap, i + HEAP0); |
964 | } |
1248 | } |
965 | |
1249 | |
966 | /*****************************************************************************/ |
1250 | /*****************************************************************************/ |
967 | |
1251 | |
|
|
1252 | /* associate signal watchers to a signal signal */ |
968 | typedef struct |
1253 | typedef struct |
969 | { |
1254 | { |
|
|
1255 | EV_ATOMIC_T pending; |
|
|
1256 | #if EV_MULTIPLICITY |
|
|
1257 | EV_P; |
|
|
1258 | #endif |
970 | WL head; |
1259 | WL head; |
971 | EV_ATOMIC_T gotsig; |
|
|
972 | } ANSIG; |
1260 | } ANSIG; |
973 | |
1261 | |
974 | static ANSIG *signals; |
1262 | static ANSIG signals [EV_NSIG - 1]; |
975 | static int signalmax; |
|
|
976 | |
|
|
977 | static EV_ATOMIC_T gotsig; |
|
|
978 | |
|
|
979 | void inline_size |
|
|
980 | signals_init (ANSIG *base, int count) |
|
|
981 | { |
|
|
982 | while (count--) |
|
|
983 | { |
|
|
984 | base->head = 0; |
|
|
985 | base->gotsig = 0; |
|
|
986 | |
|
|
987 | ++base; |
|
|
988 | } |
|
|
989 | } |
|
|
990 | |
1263 | |
991 | /*****************************************************************************/ |
1264 | /*****************************************************************************/ |
992 | |
1265 | |
993 | void inline_speed |
1266 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
994 | fd_intern (int fd) |
|
|
995 | { |
|
|
996 | #ifdef _WIN32 |
|
|
997 | unsigned long arg = 1; |
|
|
998 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
999 | #else |
|
|
1000 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1001 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1002 | #endif |
|
|
1003 | } |
|
|
1004 | |
1267 | |
1005 | static void noinline |
1268 | static void noinline |
1006 | evpipe_init (EV_P) |
1269 | evpipe_init (EV_P) |
1007 | { |
1270 | { |
1008 | if (!ev_is_active (&pipeev)) |
1271 | if (!ev_is_active (&pipe_w)) |
1009 | { |
1272 | { |
1010 | #if EV_USE_EVENTFD |
1273 | # if EV_USE_EVENTFD |
|
|
1274 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1275 | if (evfd < 0 && errno == EINVAL) |
1011 | if ((evfd = eventfd (0, 0)) >= 0) |
1276 | evfd = eventfd (0, 0); |
|
|
1277 | |
|
|
1278 | if (evfd >= 0) |
1012 | { |
1279 | { |
1013 | evpipe [0] = -1; |
1280 | evpipe [0] = -1; |
1014 | fd_intern (evfd); |
1281 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1015 | ev_io_set (&pipeev, evfd, EV_READ); |
1282 | ev_io_set (&pipe_w, evfd, EV_READ); |
1016 | } |
1283 | } |
1017 | else |
1284 | else |
1018 | #endif |
1285 | # endif |
1019 | { |
1286 | { |
1020 | while (pipe (evpipe)) |
1287 | while (pipe (evpipe)) |
1021 | syserr ("(libev) error creating signal/async pipe"); |
1288 | ev_syserr ("(libev) error creating signal/async pipe"); |
1022 | |
1289 | |
1023 | fd_intern (evpipe [0]); |
1290 | fd_intern (evpipe [0]); |
1024 | fd_intern (evpipe [1]); |
1291 | fd_intern (evpipe [1]); |
1025 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1292 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
1026 | } |
1293 | } |
1027 | |
1294 | |
1028 | ev_io_start (EV_A_ &pipeev); |
1295 | ev_io_start (EV_A_ &pipe_w); |
1029 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1296 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1030 | } |
1297 | } |
1031 | } |
1298 | } |
1032 | |
1299 | |
1033 | void inline_size |
1300 | inline_size void |
1034 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1301 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1035 | { |
1302 | { |
1036 | if (!*flag) |
1303 | if (!*flag) |
1037 | { |
1304 | { |
1038 | int old_errno = errno; /* save errno because write might clobber it */ |
1305 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1306 | char dummy; |
1039 | |
1307 | |
1040 | *flag = 1; |
1308 | *flag = 1; |
1041 | |
1309 | |
1042 | #if EV_USE_EVENTFD |
1310 | #if EV_USE_EVENTFD |
1043 | if (evfd >= 0) |
1311 | if (evfd >= 0) |
… | |
… | |
1045 | uint64_t counter = 1; |
1313 | uint64_t counter = 1; |
1046 | write (evfd, &counter, sizeof (uint64_t)); |
1314 | write (evfd, &counter, sizeof (uint64_t)); |
1047 | } |
1315 | } |
1048 | else |
1316 | else |
1049 | #endif |
1317 | #endif |
|
|
1318 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1319 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1320 | /* so when you think this write should be a send instead, please find out */ |
|
|
1321 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1322 | /* tell me. thank you. */ |
1050 | write (evpipe [1], &old_errno, 1); |
1323 | write (evpipe [1], &dummy, 1); |
1051 | |
1324 | |
1052 | errno = old_errno; |
1325 | errno = old_errno; |
1053 | } |
1326 | } |
1054 | } |
1327 | } |
1055 | |
1328 | |
|
|
1329 | /* called whenever the libev signal pipe */ |
|
|
1330 | /* got some events (signal, async) */ |
1056 | static void |
1331 | static void |
1057 | pipecb (EV_P_ ev_io *iow, int revents) |
1332 | pipecb (EV_P_ ev_io *iow, int revents) |
1058 | { |
1333 | { |
|
|
1334 | int i; |
|
|
1335 | |
1059 | #if EV_USE_EVENTFD |
1336 | #if EV_USE_EVENTFD |
1060 | if (evfd >= 0) |
1337 | if (evfd >= 0) |
1061 | { |
1338 | { |
1062 | uint64_t counter; |
1339 | uint64_t counter; |
1063 | read (evfd, &counter, sizeof (uint64_t)); |
1340 | read (evfd, &counter, sizeof (uint64_t)); |
1064 | } |
1341 | } |
1065 | else |
1342 | else |
1066 | #endif |
1343 | #endif |
1067 | { |
1344 | { |
1068 | char dummy; |
1345 | char dummy; |
|
|
1346 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1069 | read (evpipe [0], &dummy, 1); |
1347 | read (evpipe [0], &dummy, 1); |
1070 | } |
1348 | } |
1071 | |
1349 | |
1072 | if (gotsig && ev_is_default_loop (EV_A)) |
1350 | if (sig_pending) |
1073 | { |
1351 | { |
1074 | int signum; |
1352 | sig_pending = 0; |
1075 | gotsig = 0; |
|
|
1076 | |
1353 | |
1077 | for (signum = signalmax; signum--; ) |
1354 | for (i = EV_NSIG - 1; i--; ) |
1078 | if (signals [signum].gotsig) |
1355 | if (expect_false (signals [i].pending)) |
1079 | ev_feed_signal_event (EV_A_ signum + 1); |
1356 | ev_feed_signal_event (EV_A_ i + 1); |
1080 | } |
1357 | } |
1081 | |
1358 | |
1082 | #if EV_ASYNC_ENABLE |
1359 | #if EV_ASYNC_ENABLE |
1083 | if (gotasync) |
1360 | if (async_pending) |
1084 | { |
1361 | { |
1085 | int i; |
1362 | async_pending = 0; |
1086 | gotasync = 0; |
|
|
1087 | |
1363 | |
1088 | for (i = asynccnt; i--; ) |
1364 | for (i = asynccnt; i--; ) |
1089 | if (asyncs [i]->sent) |
1365 | if (asyncs [i]->sent) |
1090 | { |
1366 | { |
1091 | asyncs [i]->sent = 0; |
1367 | asyncs [i]->sent = 0; |
… | |
… | |
1099 | |
1375 | |
1100 | static void |
1376 | static void |
1101 | ev_sighandler (int signum) |
1377 | ev_sighandler (int signum) |
1102 | { |
1378 | { |
1103 | #if EV_MULTIPLICITY |
1379 | #if EV_MULTIPLICITY |
1104 | struct ev_loop *loop = &default_loop_struct; |
1380 | EV_P = signals [signum - 1].loop; |
1105 | #endif |
1381 | #endif |
1106 | |
1382 | |
1107 | #if _WIN32 |
1383 | #ifdef _WIN32 |
1108 | signal (signum, ev_sighandler); |
1384 | signal (signum, ev_sighandler); |
1109 | #endif |
1385 | #endif |
1110 | |
1386 | |
1111 | signals [signum - 1].gotsig = 1; |
1387 | signals [signum - 1].pending = 1; |
1112 | evpipe_write (EV_A_ &gotsig); |
1388 | evpipe_write (EV_A_ &sig_pending); |
1113 | } |
1389 | } |
1114 | |
1390 | |
1115 | void noinline |
1391 | void noinline |
1116 | ev_feed_signal_event (EV_P_ int signum) |
1392 | ev_feed_signal_event (EV_P_ int signum) |
1117 | { |
1393 | { |
1118 | WL w; |
1394 | WL w; |
1119 | |
1395 | |
|
|
1396 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1397 | return; |
|
|
1398 | |
|
|
1399 | --signum; |
|
|
1400 | |
1120 | #if EV_MULTIPLICITY |
1401 | #if EV_MULTIPLICITY |
1121 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1402 | /* it is permissible to try to feed a signal to the wrong loop */ |
1122 | #endif |
1403 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1123 | |
1404 | |
1124 | --signum; |
1405 | if (expect_false (signals [signum].loop != EV_A)) |
1125 | |
|
|
1126 | if (signum < 0 || signum >= signalmax) |
|
|
1127 | return; |
1406 | return; |
|
|
1407 | #endif |
1128 | |
1408 | |
1129 | signals [signum].gotsig = 0; |
1409 | signals [signum].pending = 0; |
1130 | |
1410 | |
1131 | for (w = signals [signum].head; w; w = w->next) |
1411 | for (w = signals [signum].head; w; w = w->next) |
1132 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1412 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1133 | } |
1413 | } |
1134 | |
1414 | |
|
|
1415 | #if EV_USE_SIGNALFD |
|
|
1416 | static void |
|
|
1417 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1418 | { |
|
|
1419 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1420 | |
|
|
1421 | for (;;) |
|
|
1422 | { |
|
|
1423 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1424 | |
|
|
1425 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1426 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1427 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1428 | |
|
|
1429 | if (res < (ssize_t)sizeof (si)) |
|
|
1430 | break; |
|
|
1431 | } |
|
|
1432 | } |
|
|
1433 | #endif |
|
|
1434 | |
|
|
1435 | #endif |
|
|
1436 | |
1135 | /*****************************************************************************/ |
1437 | /*****************************************************************************/ |
1136 | |
1438 | |
|
|
1439 | #if EV_CHILD_ENABLE |
1137 | static WL childs [EV_PID_HASHSIZE]; |
1440 | static WL childs [EV_PID_HASHSIZE]; |
1138 | |
|
|
1139 | #ifndef _WIN32 |
|
|
1140 | |
1441 | |
1141 | static ev_signal childev; |
1442 | static ev_signal childev; |
1142 | |
1443 | |
1143 | #ifndef WIFCONTINUED |
1444 | #ifndef WIFCONTINUED |
1144 | # define WIFCONTINUED(status) 0 |
1445 | # define WIFCONTINUED(status) 0 |
1145 | #endif |
1446 | #endif |
1146 | |
1447 | |
1147 | void inline_speed |
1448 | /* handle a single child status event */ |
|
|
1449 | inline_speed void |
1148 | child_reap (EV_P_ int chain, int pid, int status) |
1450 | child_reap (EV_P_ int chain, int pid, int status) |
1149 | { |
1451 | { |
1150 | ev_child *w; |
1452 | ev_child *w; |
1151 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1453 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1152 | |
1454 | |
1153 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1455 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1154 | { |
1456 | { |
1155 | if ((w->pid == pid || !w->pid) |
1457 | if ((w->pid == pid || !w->pid) |
1156 | && (!traced || (w->flags & 1))) |
1458 | && (!traced || (w->flags & 1))) |
1157 | { |
1459 | { |
1158 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1460 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1165 | |
1467 | |
1166 | #ifndef WCONTINUED |
1468 | #ifndef WCONTINUED |
1167 | # define WCONTINUED 0 |
1469 | # define WCONTINUED 0 |
1168 | #endif |
1470 | #endif |
1169 | |
1471 | |
|
|
1472 | /* called on sigchld etc., calls waitpid */ |
1170 | static void |
1473 | static void |
1171 | childcb (EV_P_ ev_signal *sw, int revents) |
1474 | childcb (EV_P_ ev_signal *sw, int revents) |
1172 | { |
1475 | { |
1173 | int pid, status; |
1476 | int pid, status; |
1174 | |
1477 | |
… | |
… | |
1182 | /* make sure we are called again until all children have been reaped */ |
1485 | /* make sure we are called again until all children have been reaped */ |
1183 | /* we need to do it this way so that the callback gets called before we continue */ |
1486 | /* we need to do it this way so that the callback gets called before we continue */ |
1184 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1487 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1185 | |
1488 | |
1186 | child_reap (EV_A_ pid, pid, status); |
1489 | child_reap (EV_A_ pid, pid, status); |
1187 | if (EV_PID_HASHSIZE > 1) |
1490 | if ((EV_PID_HASHSIZE) > 1) |
1188 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1491 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1189 | } |
1492 | } |
1190 | |
1493 | |
1191 | #endif |
1494 | #endif |
1192 | |
1495 | |
1193 | /*****************************************************************************/ |
1496 | /*****************************************************************************/ |
1194 | |
1497 | |
|
|
1498 | #if EV_USE_IOCP |
|
|
1499 | # include "ev_iocp.c" |
|
|
1500 | #endif |
1195 | #if EV_USE_PORT |
1501 | #if EV_USE_PORT |
1196 | # include "ev_port.c" |
1502 | # include "ev_port.c" |
1197 | #endif |
1503 | #endif |
1198 | #if EV_USE_KQUEUE |
1504 | #if EV_USE_KQUEUE |
1199 | # include "ev_kqueue.c" |
1505 | # include "ev_kqueue.c" |
… | |
… | |
1255 | /* kqueue is borked on everything but netbsd apparently */ |
1561 | /* kqueue is borked on everything but netbsd apparently */ |
1256 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1562 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1257 | flags &= ~EVBACKEND_KQUEUE; |
1563 | flags &= ~EVBACKEND_KQUEUE; |
1258 | #endif |
1564 | #endif |
1259 | #ifdef __APPLE__ |
1565 | #ifdef __APPLE__ |
1260 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1566 | /* only select works correctly on that "unix-certified" platform */ |
1261 | flags &= ~EVBACKEND_POLL; |
1567 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1568 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
|
|
1569 | #endif |
|
|
1570 | #ifdef __FreeBSD__ |
|
|
1571 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
1262 | #endif |
1572 | #endif |
1263 | |
1573 | |
1264 | return flags; |
1574 | return flags; |
1265 | } |
1575 | } |
1266 | |
1576 | |
… | |
… | |
1268 | ev_embeddable_backends (void) |
1578 | ev_embeddable_backends (void) |
1269 | { |
1579 | { |
1270 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1580 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1271 | |
1581 | |
1272 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1582 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1273 | /* please fix it and tell me how to detect the fix */ |
1583 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1274 | flags &= ~EVBACKEND_EPOLL; |
1584 | flags &= ~EVBACKEND_EPOLL; |
1275 | |
1585 | |
1276 | return flags; |
1586 | return flags; |
1277 | } |
1587 | } |
1278 | |
1588 | |
1279 | unsigned int |
1589 | unsigned int |
1280 | ev_backend (EV_P) |
1590 | ev_backend (EV_P) |
1281 | { |
1591 | { |
1282 | return backend; |
1592 | return backend; |
1283 | } |
1593 | } |
1284 | |
1594 | |
|
|
1595 | #if EV_FEATURE_API |
1285 | unsigned int |
1596 | unsigned int |
1286 | ev_loop_count (EV_P) |
1597 | ev_iteration (EV_P) |
1287 | { |
1598 | { |
1288 | return loop_count; |
1599 | return loop_count; |
1289 | } |
1600 | } |
1290 | |
1601 | |
|
|
1602 | unsigned int |
|
|
1603 | ev_depth (EV_P) |
|
|
1604 | { |
|
|
1605 | return loop_depth; |
|
|
1606 | } |
|
|
1607 | |
1291 | void |
1608 | void |
1292 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1609 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1293 | { |
1610 | { |
1294 | io_blocktime = interval; |
1611 | io_blocktime = interval; |
1295 | } |
1612 | } |
… | |
… | |
1298 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1615 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1299 | { |
1616 | { |
1300 | timeout_blocktime = interval; |
1617 | timeout_blocktime = interval; |
1301 | } |
1618 | } |
1302 | |
1619 | |
|
|
1620 | void |
|
|
1621 | ev_set_userdata (EV_P_ void *data) |
|
|
1622 | { |
|
|
1623 | userdata = data; |
|
|
1624 | } |
|
|
1625 | |
|
|
1626 | void * |
|
|
1627 | ev_userdata (EV_P) |
|
|
1628 | { |
|
|
1629 | return userdata; |
|
|
1630 | } |
|
|
1631 | |
|
|
1632 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
1633 | { |
|
|
1634 | invoke_cb = invoke_pending_cb; |
|
|
1635 | } |
|
|
1636 | |
|
|
1637 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
|
|
1638 | { |
|
|
1639 | release_cb = release; |
|
|
1640 | acquire_cb = acquire; |
|
|
1641 | } |
|
|
1642 | #endif |
|
|
1643 | |
|
|
1644 | /* initialise a loop structure, must be zero-initialised */ |
1303 | static void noinline |
1645 | static void noinline |
1304 | loop_init (EV_P_ unsigned int flags) |
1646 | loop_init (EV_P_ unsigned int flags) |
1305 | { |
1647 | { |
1306 | if (!backend) |
1648 | if (!backend) |
1307 | { |
1649 | { |
|
|
1650 | #if EV_USE_REALTIME |
|
|
1651 | if (!have_realtime) |
|
|
1652 | { |
|
|
1653 | struct timespec ts; |
|
|
1654 | |
|
|
1655 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1656 | have_realtime = 1; |
|
|
1657 | } |
|
|
1658 | #endif |
|
|
1659 | |
1308 | #if EV_USE_MONOTONIC |
1660 | #if EV_USE_MONOTONIC |
|
|
1661 | if (!have_monotonic) |
1309 | { |
1662 | { |
1310 | struct timespec ts; |
1663 | struct timespec ts; |
|
|
1664 | |
1311 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1665 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1312 | have_monotonic = 1; |
1666 | have_monotonic = 1; |
1313 | } |
1667 | } |
1314 | #endif |
1668 | #endif |
|
|
1669 | |
|
|
1670 | /* pid check not overridable via env */ |
|
|
1671 | #ifndef _WIN32 |
|
|
1672 | if (flags & EVFLAG_FORKCHECK) |
|
|
1673 | curpid = getpid (); |
|
|
1674 | #endif |
|
|
1675 | |
|
|
1676 | if (!(flags & EVFLAG_NOENV) |
|
|
1677 | && !enable_secure () |
|
|
1678 | && getenv ("LIBEV_FLAGS")) |
|
|
1679 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1315 | |
1680 | |
1316 | ev_rt_now = ev_time (); |
1681 | ev_rt_now = ev_time (); |
1317 | mn_now = get_clock (); |
1682 | mn_now = get_clock (); |
1318 | now_floor = mn_now; |
1683 | now_floor = mn_now; |
1319 | rtmn_diff = ev_rt_now - mn_now; |
1684 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1685 | #if EV_FEATURE_API |
|
|
1686 | invoke_cb = ev_invoke_pending; |
|
|
1687 | #endif |
1320 | |
1688 | |
1321 | io_blocktime = 0.; |
1689 | io_blocktime = 0.; |
1322 | timeout_blocktime = 0.; |
1690 | timeout_blocktime = 0.; |
1323 | backend = 0; |
1691 | backend = 0; |
1324 | backend_fd = -1; |
1692 | backend_fd = -1; |
1325 | gotasync = 0; |
1693 | sig_pending = 0; |
|
|
1694 | #if EV_ASYNC_ENABLE |
|
|
1695 | async_pending = 0; |
|
|
1696 | #endif |
1326 | #if EV_USE_INOTIFY |
1697 | #if EV_USE_INOTIFY |
1327 | fs_fd = -2; |
1698 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1328 | #endif |
1699 | #endif |
1329 | |
1700 | #if EV_USE_SIGNALFD |
1330 | /* pid check not overridable via env */ |
1701 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1331 | #ifndef _WIN32 |
|
|
1332 | if (flags & EVFLAG_FORKCHECK) |
|
|
1333 | curpid = getpid (); |
|
|
1334 | #endif |
1702 | #endif |
1335 | |
|
|
1336 | if (!(flags & EVFLAG_NOENV) |
|
|
1337 | && !enable_secure () |
|
|
1338 | && getenv ("LIBEV_FLAGS")) |
|
|
1339 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1340 | |
1703 | |
1341 | if (!(flags & 0x0000ffffU)) |
1704 | if (!(flags & 0x0000ffffU)) |
1342 | flags |= ev_recommended_backends (); |
1705 | flags |= ev_recommended_backends (); |
1343 | |
1706 | |
|
|
1707 | #if EV_USE_IOCP |
|
|
1708 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1709 | #endif |
1344 | #if EV_USE_PORT |
1710 | #if EV_USE_PORT |
1345 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1711 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1346 | #endif |
1712 | #endif |
1347 | #if EV_USE_KQUEUE |
1713 | #if EV_USE_KQUEUE |
1348 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1714 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1355 | #endif |
1721 | #endif |
1356 | #if EV_USE_SELECT |
1722 | #if EV_USE_SELECT |
1357 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1723 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1358 | #endif |
1724 | #endif |
1359 | |
1725 | |
|
|
1726 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1727 | |
|
|
1728 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1360 | ev_init (&pipeev, pipecb); |
1729 | ev_init (&pipe_w, pipecb); |
1361 | ev_set_priority (&pipeev, EV_MAXPRI); |
1730 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1731 | #endif |
1362 | } |
1732 | } |
1363 | } |
1733 | } |
1364 | |
1734 | |
1365 | static void noinline |
1735 | /* free up a loop structure */ |
|
|
1736 | void |
1366 | loop_destroy (EV_P) |
1737 | ev_loop_destroy (EV_P) |
1367 | { |
1738 | { |
1368 | int i; |
1739 | int i; |
1369 | |
1740 | |
|
|
1741 | #if EV_CHILD_ENABLE |
|
|
1742 | if (ev_is_active (&childev)) |
|
|
1743 | { |
|
|
1744 | ev_ref (EV_A); /* child watcher */ |
|
|
1745 | ev_signal_stop (EV_A_ &childev); |
|
|
1746 | } |
|
|
1747 | #endif |
|
|
1748 | |
1370 | if (ev_is_active (&pipeev)) |
1749 | if (ev_is_active (&pipe_w)) |
1371 | { |
1750 | { |
1372 | ev_ref (EV_A); /* signal watcher */ |
1751 | /*ev_ref (EV_A);*/ |
1373 | ev_io_stop (EV_A_ &pipeev); |
1752 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1374 | |
1753 | |
1375 | #if EV_USE_EVENTFD |
1754 | #if EV_USE_EVENTFD |
1376 | if (evfd >= 0) |
1755 | if (evfd >= 0) |
1377 | close (evfd); |
1756 | close (evfd); |
1378 | #endif |
1757 | #endif |
1379 | |
1758 | |
1380 | if (evpipe [0] >= 0) |
1759 | if (evpipe [0] >= 0) |
1381 | { |
1760 | { |
1382 | close (evpipe [0]); |
1761 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1383 | close (evpipe [1]); |
1762 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1384 | } |
1763 | } |
1385 | } |
1764 | } |
|
|
1765 | |
|
|
1766 | #if EV_USE_SIGNALFD |
|
|
1767 | if (ev_is_active (&sigfd_w)) |
|
|
1768 | close (sigfd); |
|
|
1769 | #endif |
1386 | |
1770 | |
1387 | #if EV_USE_INOTIFY |
1771 | #if EV_USE_INOTIFY |
1388 | if (fs_fd >= 0) |
1772 | if (fs_fd >= 0) |
1389 | close (fs_fd); |
1773 | close (fs_fd); |
1390 | #endif |
1774 | #endif |
1391 | |
1775 | |
1392 | if (backend_fd >= 0) |
1776 | if (backend_fd >= 0) |
1393 | close (backend_fd); |
1777 | close (backend_fd); |
1394 | |
1778 | |
|
|
1779 | #if EV_USE_IOCP |
|
|
1780 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1781 | #endif |
1395 | #if EV_USE_PORT |
1782 | #if EV_USE_PORT |
1396 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1783 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1397 | #endif |
1784 | #endif |
1398 | #if EV_USE_KQUEUE |
1785 | #if EV_USE_KQUEUE |
1399 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1786 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1414 | #if EV_IDLE_ENABLE |
1801 | #if EV_IDLE_ENABLE |
1415 | array_free (idle, [i]); |
1802 | array_free (idle, [i]); |
1416 | #endif |
1803 | #endif |
1417 | } |
1804 | } |
1418 | |
1805 | |
1419 | ev_free (anfds); anfdmax = 0; |
1806 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1420 | |
1807 | |
1421 | /* have to use the microsoft-never-gets-it-right macro */ |
1808 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1809 | array_free (rfeed, EMPTY); |
1422 | array_free (fdchange, EMPTY); |
1810 | array_free (fdchange, EMPTY); |
1423 | array_free (timer, EMPTY); |
1811 | array_free (timer, EMPTY); |
1424 | #if EV_PERIODIC_ENABLE |
1812 | #if EV_PERIODIC_ENABLE |
1425 | array_free (periodic, EMPTY); |
1813 | array_free (periodic, EMPTY); |
1426 | #endif |
1814 | #endif |
1427 | #if EV_FORK_ENABLE |
1815 | #if EV_FORK_ENABLE |
1428 | array_free (fork, EMPTY); |
1816 | array_free (fork, EMPTY); |
1429 | #endif |
1817 | #endif |
|
|
1818 | #if EV_CLEANUP_ENABLE |
|
|
1819 | array_free (cleanup, EMPTY); |
|
|
1820 | #endif |
1430 | array_free (prepare, EMPTY); |
1821 | array_free (prepare, EMPTY); |
1431 | array_free (check, EMPTY); |
1822 | array_free (check, EMPTY); |
1432 | #if EV_ASYNC_ENABLE |
1823 | #if EV_ASYNC_ENABLE |
1433 | array_free (async, EMPTY); |
1824 | array_free (async, EMPTY); |
1434 | #endif |
1825 | #endif |
1435 | |
1826 | |
1436 | backend = 0; |
1827 | backend = 0; |
|
|
1828 | |
|
|
1829 | #if EV_MULTIPLICITY |
|
|
1830 | if (ev_is_default_loop (EV_A)) |
|
|
1831 | #endif |
|
|
1832 | ev_default_loop_ptr = 0; |
|
|
1833 | #if EV_MULTIPLICITY |
|
|
1834 | else |
|
|
1835 | ev_free (EV_A); |
|
|
1836 | #endif |
1437 | } |
1837 | } |
1438 | |
1838 | |
1439 | #if EV_USE_INOTIFY |
1839 | #if EV_USE_INOTIFY |
1440 | void inline_size infy_fork (EV_P); |
1840 | inline_size void infy_fork (EV_P); |
1441 | #endif |
1841 | #endif |
1442 | |
1842 | |
1443 | void inline_size |
1843 | inline_size void |
1444 | loop_fork (EV_P) |
1844 | loop_fork (EV_P) |
1445 | { |
1845 | { |
1446 | #if EV_USE_PORT |
1846 | #if EV_USE_PORT |
1447 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1847 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1448 | #endif |
1848 | #endif |
… | |
… | |
1454 | #endif |
1854 | #endif |
1455 | #if EV_USE_INOTIFY |
1855 | #if EV_USE_INOTIFY |
1456 | infy_fork (EV_A); |
1856 | infy_fork (EV_A); |
1457 | #endif |
1857 | #endif |
1458 | |
1858 | |
1459 | if (ev_is_active (&pipeev)) |
1859 | if (ev_is_active (&pipe_w)) |
1460 | { |
1860 | { |
1461 | /* this "locks" the handlers against writing to the pipe */ |
1861 | /* this "locks" the handlers against writing to the pipe */ |
1462 | /* while we modify the fd vars */ |
1862 | /* while we modify the fd vars */ |
1463 | gotsig = 1; |
1863 | sig_pending = 1; |
1464 | #if EV_ASYNC_ENABLE |
1864 | #if EV_ASYNC_ENABLE |
1465 | gotasync = 1; |
1865 | async_pending = 1; |
1466 | #endif |
1866 | #endif |
1467 | |
1867 | |
1468 | ev_ref (EV_A); |
1868 | ev_ref (EV_A); |
1469 | ev_io_stop (EV_A_ &pipeev); |
1869 | ev_io_stop (EV_A_ &pipe_w); |
1470 | |
1870 | |
1471 | #if EV_USE_EVENTFD |
1871 | #if EV_USE_EVENTFD |
1472 | if (evfd >= 0) |
1872 | if (evfd >= 0) |
1473 | close (evfd); |
1873 | close (evfd); |
1474 | #endif |
1874 | #endif |
1475 | |
1875 | |
1476 | if (evpipe [0] >= 0) |
1876 | if (evpipe [0] >= 0) |
1477 | { |
1877 | { |
1478 | close (evpipe [0]); |
1878 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1479 | close (evpipe [1]); |
1879 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1480 | } |
1880 | } |
1481 | |
1881 | |
|
|
1882 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1482 | evpipe_init (EV_A); |
1883 | evpipe_init (EV_A); |
1483 | /* now iterate over everything, in case we missed something */ |
1884 | /* now iterate over everything, in case we missed something */ |
1484 | pipecb (EV_A_ &pipeev, EV_READ); |
1885 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1886 | #endif |
1485 | } |
1887 | } |
1486 | |
1888 | |
1487 | postfork = 0; |
1889 | postfork = 0; |
1488 | } |
1890 | } |
1489 | |
1891 | |
1490 | #if EV_MULTIPLICITY |
1892 | #if EV_MULTIPLICITY |
1491 | |
1893 | |
1492 | struct ev_loop * |
1894 | struct ev_loop * |
1493 | ev_loop_new (unsigned int flags) |
1895 | ev_loop_new (unsigned int flags) |
1494 | { |
1896 | { |
1495 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1897 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1496 | |
1898 | |
1497 | memset (loop, 0, sizeof (struct ev_loop)); |
1899 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1498 | |
|
|
1499 | loop_init (EV_A_ flags); |
1900 | loop_init (EV_A_ flags); |
1500 | |
1901 | |
1501 | if (ev_backend (EV_A)) |
1902 | if (ev_backend (EV_A)) |
1502 | return loop; |
1903 | return EV_A; |
1503 | |
1904 | |
|
|
1905 | ev_free (EV_A); |
1504 | return 0; |
1906 | return 0; |
1505 | } |
1907 | } |
1506 | |
1908 | |
1507 | void |
1909 | #endif /* multiplicity */ |
1508 | ev_loop_destroy (EV_P) |
|
|
1509 | { |
|
|
1510 | loop_destroy (EV_A); |
|
|
1511 | ev_free (loop); |
|
|
1512 | } |
|
|
1513 | |
|
|
1514 | void |
|
|
1515 | ev_loop_fork (EV_P) |
|
|
1516 | { |
|
|
1517 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1518 | } |
|
|
1519 | |
1910 | |
1520 | #if EV_VERIFY |
1911 | #if EV_VERIFY |
1521 | static void noinline |
1912 | static void noinline |
1522 | verify_watcher (EV_P_ W w) |
1913 | verify_watcher (EV_P_ W w) |
1523 | { |
1914 | { |
1524 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1915 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1525 | |
1916 | |
1526 | if (w->pending) |
1917 | if (w->pending) |
1527 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1918 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1528 | } |
1919 | } |
1529 | |
1920 | |
1530 | static void noinline |
1921 | static void noinline |
1531 | verify_heap (EV_P_ ANHE *heap, int N) |
1922 | verify_heap (EV_P_ ANHE *heap, int N) |
1532 | { |
1923 | { |
1533 | int i; |
1924 | int i; |
1534 | |
1925 | |
1535 | for (i = HEAP0; i < N + HEAP0; ++i) |
1926 | for (i = HEAP0; i < N + HEAP0; ++i) |
1536 | { |
1927 | { |
1537 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1928 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1538 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1929 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1539 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1930 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1540 | |
1931 | |
1541 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1932 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1542 | } |
1933 | } |
1543 | } |
1934 | } |
1544 | |
1935 | |
1545 | static void noinline |
1936 | static void noinline |
1546 | array_verify (EV_P_ W *ws, int cnt) |
1937 | array_verify (EV_P_ W *ws, int cnt) |
1547 | { |
1938 | { |
1548 | while (cnt--) |
1939 | while (cnt--) |
1549 | { |
1940 | { |
1550 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1941 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1551 | verify_watcher (EV_A_ ws [cnt]); |
1942 | verify_watcher (EV_A_ ws [cnt]); |
1552 | } |
1943 | } |
1553 | } |
1944 | } |
1554 | #endif |
1945 | #endif |
1555 | |
1946 | |
|
|
1947 | #if EV_FEATURE_API |
1556 | void |
1948 | void |
1557 | ev_loop_verify (EV_P) |
1949 | ev_verify (EV_P) |
1558 | { |
1950 | { |
1559 | #if EV_VERIFY |
1951 | #if EV_VERIFY |
1560 | int i; |
1952 | int i; |
1561 | WL w; |
1953 | WL w; |
1562 | |
1954 | |
1563 | assert (activecnt >= -1); |
1955 | assert (activecnt >= -1); |
1564 | |
1956 | |
1565 | assert (fdchangemax >= fdchangecnt); |
1957 | assert (fdchangemax >= fdchangecnt); |
1566 | for (i = 0; i < fdchangecnt; ++i) |
1958 | for (i = 0; i < fdchangecnt; ++i) |
1567 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
1959 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1568 | |
1960 | |
1569 | assert (anfdmax >= 0); |
1961 | assert (anfdmax >= 0); |
1570 | for (i = 0; i < anfdmax; ++i) |
1962 | for (i = 0; i < anfdmax; ++i) |
1571 | for (w = anfds [i].head; w; w = w->next) |
1963 | for (w = anfds [i].head; w; w = w->next) |
1572 | { |
1964 | { |
1573 | verify_watcher (EV_A_ (W)w); |
1965 | verify_watcher (EV_A_ (W)w); |
1574 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
1966 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
1575 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1967 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1576 | } |
1968 | } |
1577 | |
1969 | |
1578 | assert (timermax >= timercnt); |
1970 | assert (timermax >= timercnt); |
1579 | verify_heap (EV_A_ timers, timercnt); |
1971 | verify_heap (EV_A_ timers, timercnt); |
1580 | |
1972 | |
… | |
… | |
1596 | #if EV_FORK_ENABLE |
1988 | #if EV_FORK_ENABLE |
1597 | assert (forkmax >= forkcnt); |
1989 | assert (forkmax >= forkcnt); |
1598 | array_verify (EV_A_ (W *)forks, forkcnt); |
1990 | array_verify (EV_A_ (W *)forks, forkcnt); |
1599 | #endif |
1991 | #endif |
1600 | |
1992 | |
|
|
1993 | #if EV_CLEANUP_ENABLE |
|
|
1994 | assert (cleanupmax >= cleanupcnt); |
|
|
1995 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
1996 | #endif |
|
|
1997 | |
1601 | #if EV_ASYNC_ENABLE |
1998 | #if EV_ASYNC_ENABLE |
1602 | assert (asyncmax >= asynccnt); |
1999 | assert (asyncmax >= asynccnt); |
1603 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2000 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1604 | #endif |
2001 | #endif |
1605 | |
2002 | |
|
|
2003 | #if EV_PREPARE_ENABLE |
1606 | assert (preparemax >= preparecnt); |
2004 | assert (preparemax >= preparecnt); |
1607 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2005 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2006 | #endif |
1608 | |
2007 | |
|
|
2008 | #if EV_CHECK_ENABLE |
1609 | assert (checkmax >= checkcnt); |
2009 | assert (checkmax >= checkcnt); |
1610 | array_verify (EV_A_ (W *)checks, checkcnt); |
2010 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2011 | #endif |
1611 | |
2012 | |
1612 | # if 0 |
2013 | # if 0 |
|
|
2014 | #if EV_CHILD_ENABLE |
1613 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2015 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1614 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
2016 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2017 | #endif |
1615 | # endif |
2018 | # endif |
1616 | #endif |
2019 | #endif |
1617 | } |
2020 | } |
1618 | |
2021 | #endif |
1619 | #endif /* multiplicity */ |
|
|
1620 | |
2022 | |
1621 | #if EV_MULTIPLICITY |
2023 | #if EV_MULTIPLICITY |
1622 | struct ev_loop * |
2024 | struct ev_loop * |
1623 | ev_default_loop_init (unsigned int flags) |
|
|
1624 | #else |
2025 | #else |
1625 | int |
2026 | int |
|
|
2027 | #endif |
1626 | ev_default_loop (unsigned int flags) |
2028 | ev_default_loop (unsigned int flags) |
1627 | #endif |
|
|
1628 | { |
2029 | { |
1629 | if (!ev_default_loop_ptr) |
2030 | if (!ev_default_loop_ptr) |
1630 | { |
2031 | { |
1631 | #if EV_MULTIPLICITY |
2032 | #if EV_MULTIPLICITY |
1632 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
2033 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1633 | #else |
2034 | #else |
1634 | ev_default_loop_ptr = 1; |
2035 | ev_default_loop_ptr = 1; |
1635 | #endif |
2036 | #endif |
1636 | |
2037 | |
1637 | loop_init (EV_A_ flags); |
2038 | loop_init (EV_A_ flags); |
1638 | |
2039 | |
1639 | if (ev_backend (EV_A)) |
2040 | if (ev_backend (EV_A)) |
1640 | { |
2041 | { |
1641 | #ifndef _WIN32 |
2042 | #if EV_CHILD_ENABLE |
1642 | ev_signal_init (&childev, childcb, SIGCHLD); |
2043 | ev_signal_init (&childev, childcb, SIGCHLD); |
1643 | ev_set_priority (&childev, EV_MAXPRI); |
2044 | ev_set_priority (&childev, EV_MAXPRI); |
1644 | ev_signal_start (EV_A_ &childev); |
2045 | ev_signal_start (EV_A_ &childev); |
1645 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2046 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1646 | #endif |
2047 | #endif |
… | |
… | |
1651 | |
2052 | |
1652 | return ev_default_loop_ptr; |
2053 | return ev_default_loop_ptr; |
1653 | } |
2054 | } |
1654 | |
2055 | |
1655 | void |
2056 | void |
1656 | ev_default_destroy (void) |
2057 | ev_loop_fork (EV_P) |
1657 | { |
2058 | { |
1658 | #if EV_MULTIPLICITY |
|
|
1659 | struct ev_loop *loop = ev_default_loop_ptr; |
|
|
1660 | #endif |
|
|
1661 | |
|
|
1662 | #ifndef _WIN32 |
|
|
1663 | ev_ref (EV_A); /* child watcher */ |
|
|
1664 | ev_signal_stop (EV_A_ &childev); |
|
|
1665 | #endif |
|
|
1666 | |
|
|
1667 | loop_destroy (EV_A); |
|
|
1668 | } |
|
|
1669 | |
|
|
1670 | void |
|
|
1671 | ev_default_fork (void) |
|
|
1672 | { |
|
|
1673 | #if EV_MULTIPLICITY |
|
|
1674 | struct ev_loop *loop = ev_default_loop_ptr; |
|
|
1675 | #endif |
|
|
1676 | |
|
|
1677 | if (backend) |
|
|
1678 | postfork = 1; /* must be in line with ev_loop_fork */ |
2059 | postfork = 1; /* must be in line with ev_default_fork */ |
1679 | } |
2060 | } |
1680 | |
2061 | |
1681 | /*****************************************************************************/ |
2062 | /*****************************************************************************/ |
1682 | |
2063 | |
1683 | void |
2064 | void |
1684 | ev_invoke (EV_P_ void *w, int revents) |
2065 | ev_invoke (EV_P_ void *w, int revents) |
1685 | { |
2066 | { |
1686 | EV_CB_INVOKE ((W)w, revents); |
2067 | EV_CB_INVOKE ((W)w, revents); |
1687 | } |
2068 | } |
1688 | |
2069 | |
1689 | void inline_speed |
2070 | unsigned int |
1690 | call_pending (EV_P) |
2071 | ev_pending_count (EV_P) |
|
|
2072 | { |
|
|
2073 | int pri; |
|
|
2074 | unsigned int count = 0; |
|
|
2075 | |
|
|
2076 | for (pri = NUMPRI; pri--; ) |
|
|
2077 | count += pendingcnt [pri]; |
|
|
2078 | |
|
|
2079 | return count; |
|
|
2080 | } |
|
|
2081 | |
|
|
2082 | void noinline |
|
|
2083 | ev_invoke_pending (EV_P) |
1691 | { |
2084 | { |
1692 | int pri; |
2085 | int pri; |
1693 | |
2086 | |
1694 | for (pri = NUMPRI; pri--; ) |
2087 | for (pri = NUMPRI; pri--; ) |
1695 | while (pendingcnt [pri]) |
2088 | while (pendingcnt [pri]) |
1696 | { |
2089 | { |
1697 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2090 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1698 | |
2091 | |
1699 | if (expect_true (p->w)) |
|
|
1700 | { |
|
|
1701 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
2092 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2093 | /* ^ this is no longer true, as pending_w could be here */ |
1702 | |
2094 | |
1703 | p->w->pending = 0; |
2095 | p->w->pending = 0; |
1704 | EV_CB_INVOKE (p->w, p->events); |
2096 | EV_CB_INVOKE (p->w, p->events); |
1705 | EV_FREQUENT_CHECK; |
2097 | EV_FREQUENT_CHECK; |
1706 | } |
|
|
1707 | } |
2098 | } |
1708 | } |
2099 | } |
1709 | |
2100 | |
1710 | #if EV_IDLE_ENABLE |
2101 | #if EV_IDLE_ENABLE |
1711 | void inline_size |
2102 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
2103 | /* only when higher priorities are idle" logic */ |
|
|
2104 | inline_size void |
1712 | idle_reify (EV_P) |
2105 | idle_reify (EV_P) |
1713 | { |
2106 | { |
1714 | if (expect_false (idleall)) |
2107 | if (expect_false (idleall)) |
1715 | { |
2108 | { |
1716 | int pri; |
2109 | int pri; |
… | |
… | |
1728 | } |
2121 | } |
1729 | } |
2122 | } |
1730 | } |
2123 | } |
1731 | #endif |
2124 | #endif |
1732 | |
2125 | |
1733 | void inline_size |
2126 | /* make timers pending */ |
|
|
2127 | inline_size void |
1734 | timers_reify (EV_P) |
2128 | timers_reify (EV_P) |
1735 | { |
2129 | { |
1736 | EV_FREQUENT_CHECK; |
2130 | EV_FREQUENT_CHECK; |
1737 | |
2131 | |
1738 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
2132 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1739 | { |
2133 | { |
1740 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
2134 | do |
1741 | |
|
|
1742 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1743 | |
|
|
1744 | /* first reschedule or stop timer */ |
|
|
1745 | if (w->repeat) |
|
|
1746 | { |
2135 | { |
|
|
2136 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
2137 | |
|
|
2138 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
2139 | |
|
|
2140 | /* first reschedule or stop timer */ |
|
|
2141 | if (w->repeat) |
|
|
2142 | { |
1747 | ev_at (w) += w->repeat; |
2143 | ev_at (w) += w->repeat; |
1748 | if (ev_at (w) < mn_now) |
2144 | if (ev_at (w) < mn_now) |
1749 | ev_at (w) = mn_now; |
2145 | ev_at (w) = mn_now; |
1750 | |
2146 | |
1751 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
2147 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1752 | |
2148 | |
1753 | ANHE_at_cache (timers [HEAP0]); |
2149 | ANHE_at_cache (timers [HEAP0]); |
1754 | downheap (timers, timercnt, HEAP0); |
2150 | downheap (timers, timercnt, HEAP0); |
|
|
2151 | } |
|
|
2152 | else |
|
|
2153 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2154 | |
|
|
2155 | EV_FREQUENT_CHECK; |
|
|
2156 | feed_reverse (EV_A_ (W)w); |
1755 | } |
2157 | } |
1756 | else |
2158 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1757 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1758 | |
2159 | |
1759 | EV_FREQUENT_CHECK; |
2160 | feed_reverse_done (EV_A_ EV_TIMER); |
1760 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1761 | } |
2161 | } |
1762 | } |
2162 | } |
1763 | |
2163 | |
1764 | #if EV_PERIODIC_ENABLE |
2164 | #if EV_PERIODIC_ENABLE |
1765 | void inline_size |
2165 | /* make periodics pending */ |
|
|
2166 | inline_size void |
1766 | periodics_reify (EV_P) |
2167 | periodics_reify (EV_P) |
1767 | { |
2168 | { |
1768 | EV_FREQUENT_CHECK; |
2169 | EV_FREQUENT_CHECK; |
1769 | |
2170 | |
1770 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2171 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1771 | { |
2172 | { |
1772 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2173 | int feed_count = 0; |
1773 | |
2174 | |
1774 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
2175 | do |
1775 | |
|
|
1776 | /* first reschedule or stop timer */ |
|
|
1777 | if (w->reschedule_cb) |
|
|
1778 | { |
2176 | { |
|
|
2177 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
2178 | |
|
|
2179 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
2180 | |
|
|
2181 | /* first reschedule or stop timer */ |
|
|
2182 | if (w->reschedule_cb) |
|
|
2183 | { |
1779 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2184 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1780 | |
2185 | |
1781 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
2186 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1782 | |
2187 | |
1783 | ANHE_at_cache (periodics [HEAP0]); |
2188 | ANHE_at_cache (periodics [HEAP0]); |
1784 | downheap (periodics, periodiccnt, HEAP0); |
2189 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2190 | } |
|
|
2191 | else if (w->interval) |
|
|
2192 | { |
|
|
2193 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2194 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2195 | /* this might happen because of floating point inexactness */ |
|
|
2196 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2197 | { |
|
|
2198 | ev_at (w) += w->interval; |
|
|
2199 | |
|
|
2200 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2201 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2202 | /* has effectively asked to get triggered more often than possible */ |
|
|
2203 | if (ev_at (w) < ev_rt_now) |
|
|
2204 | ev_at (w) = ev_rt_now; |
|
|
2205 | } |
|
|
2206 | |
|
|
2207 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2208 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2209 | } |
|
|
2210 | else |
|
|
2211 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2212 | |
|
|
2213 | EV_FREQUENT_CHECK; |
|
|
2214 | feed_reverse (EV_A_ (W)w); |
1785 | } |
2215 | } |
1786 | else if (w->interval) |
2216 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
1787 | { |
|
|
1788 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1789 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1790 | /* this might happen because of floating point inexactness */ |
|
|
1791 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1792 | { |
|
|
1793 | ev_at (w) += w->interval; |
|
|
1794 | |
2217 | |
1795 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1796 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1797 | /* has effectively asked to get triggered more often than possible */ |
|
|
1798 | if (ev_at (w) < ev_rt_now) |
|
|
1799 | ev_at (w) = ev_rt_now; |
|
|
1800 | } |
|
|
1801 | |
|
|
1802 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1803 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1804 | } |
|
|
1805 | else |
|
|
1806 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1807 | |
|
|
1808 | EV_FREQUENT_CHECK; |
|
|
1809 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
2218 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1810 | } |
2219 | } |
1811 | } |
2220 | } |
1812 | |
2221 | |
|
|
2222 | /* simply recalculate all periodics */ |
|
|
2223 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
1813 | static void noinline |
2224 | static void noinline |
1814 | periodics_reschedule (EV_P) |
2225 | periodics_reschedule (EV_P) |
1815 | { |
2226 | { |
1816 | int i; |
2227 | int i; |
1817 | |
2228 | |
… | |
… | |
1830 | |
2241 | |
1831 | reheap (periodics, periodiccnt); |
2242 | reheap (periodics, periodiccnt); |
1832 | } |
2243 | } |
1833 | #endif |
2244 | #endif |
1834 | |
2245 | |
1835 | void inline_speed |
2246 | /* adjust all timers by a given offset */ |
|
|
2247 | static void noinline |
|
|
2248 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
2249 | { |
|
|
2250 | int i; |
|
|
2251 | |
|
|
2252 | for (i = 0; i < timercnt; ++i) |
|
|
2253 | { |
|
|
2254 | ANHE *he = timers + i + HEAP0; |
|
|
2255 | ANHE_w (*he)->at += adjust; |
|
|
2256 | ANHE_at_cache (*he); |
|
|
2257 | } |
|
|
2258 | } |
|
|
2259 | |
|
|
2260 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
2261 | /* also detect if there was a timejump, and act accordingly */ |
|
|
2262 | inline_speed void |
1836 | time_update (EV_P_ ev_tstamp max_block) |
2263 | time_update (EV_P_ ev_tstamp max_block) |
1837 | { |
2264 | { |
1838 | int i; |
|
|
1839 | |
|
|
1840 | #if EV_USE_MONOTONIC |
2265 | #if EV_USE_MONOTONIC |
1841 | if (expect_true (have_monotonic)) |
2266 | if (expect_true (have_monotonic)) |
1842 | { |
2267 | { |
|
|
2268 | int i; |
1843 | ev_tstamp odiff = rtmn_diff; |
2269 | ev_tstamp odiff = rtmn_diff; |
1844 | |
2270 | |
1845 | mn_now = get_clock (); |
2271 | mn_now = get_clock (); |
1846 | |
2272 | |
1847 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
2273 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1873 | ev_rt_now = ev_time (); |
2299 | ev_rt_now = ev_time (); |
1874 | mn_now = get_clock (); |
2300 | mn_now = get_clock (); |
1875 | now_floor = mn_now; |
2301 | now_floor = mn_now; |
1876 | } |
2302 | } |
1877 | |
2303 | |
|
|
2304 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
2305 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1878 | # if EV_PERIODIC_ENABLE |
2306 | # if EV_PERIODIC_ENABLE |
1879 | periodics_reschedule (EV_A); |
2307 | periodics_reschedule (EV_A); |
1880 | # endif |
2308 | # endif |
1881 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1882 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1883 | } |
2309 | } |
1884 | else |
2310 | else |
1885 | #endif |
2311 | #endif |
1886 | { |
2312 | { |
1887 | ev_rt_now = ev_time (); |
2313 | ev_rt_now = ev_time (); |
1888 | |
2314 | |
1889 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2315 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1890 | { |
2316 | { |
|
|
2317 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2318 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1891 | #if EV_PERIODIC_ENABLE |
2319 | #if EV_PERIODIC_ENABLE |
1892 | periodics_reschedule (EV_A); |
2320 | periodics_reschedule (EV_A); |
1893 | #endif |
2321 | #endif |
1894 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1895 | for (i = 0; i < timercnt; ++i) |
|
|
1896 | { |
|
|
1897 | ANHE *he = timers + i + HEAP0; |
|
|
1898 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1899 | ANHE_at_cache (*he); |
|
|
1900 | } |
|
|
1901 | } |
2322 | } |
1902 | |
2323 | |
1903 | mn_now = ev_rt_now; |
2324 | mn_now = ev_rt_now; |
1904 | } |
2325 | } |
1905 | } |
2326 | } |
1906 | |
2327 | |
1907 | void |
2328 | void |
1908 | ev_ref (EV_P) |
|
|
1909 | { |
|
|
1910 | ++activecnt; |
|
|
1911 | } |
|
|
1912 | |
|
|
1913 | void |
|
|
1914 | ev_unref (EV_P) |
|
|
1915 | { |
|
|
1916 | --activecnt; |
|
|
1917 | } |
|
|
1918 | |
|
|
1919 | void |
|
|
1920 | ev_now_update (EV_P) |
|
|
1921 | { |
|
|
1922 | time_update (EV_A_ 1e100); |
|
|
1923 | } |
|
|
1924 | |
|
|
1925 | static int loop_done; |
|
|
1926 | |
|
|
1927 | void |
|
|
1928 | ev_loop (EV_P_ int flags) |
2329 | ev_run (EV_P_ int flags) |
1929 | { |
2330 | { |
|
|
2331 | #if EV_FEATURE_API |
|
|
2332 | ++loop_depth; |
|
|
2333 | #endif |
|
|
2334 | |
|
|
2335 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
|
|
2336 | |
1930 | loop_done = EVUNLOOP_CANCEL; |
2337 | loop_done = EVBREAK_CANCEL; |
1931 | |
2338 | |
1932 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2339 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
1933 | |
2340 | |
1934 | do |
2341 | do |
1935 | { |
2342 | { |
1936 | #if EV_VERIFY >= 2 |
2343 | #if EV_VERIFY >= 2 |
1937 | ev_loop_verify (EV_A); |
2344 | ev_verify (EV_A); |
1938 | #endif |
2345 | #endif |
1939 | |
2346 | |
1940 | #ifndef _WIN32 |
2347 | #ifndef _WIN32 |
1941 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2348 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1942 | if (expect_false (getpid () != curpid)) |
2349 | if (expect_false (getpid () != curpid)) |
… | |
… | |
1950 | /* we might have forked, so queue fork handlers */ |
2357 | /* we might have forked, so queue fork handlers */ |
1951 | if (expect_false (postfork)) |
2358 | if (expect_false (postfork)) |
1952 | if (forkcnt) |
2359 | if (forkcnt) |
1953 | { |
2360 | { |
1954 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2361 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1955 | call_pending (EV_A); |
2362 | EV_INVOKE_PENDING; |
1956 | } |
2363 | } |
1957 | #endif |
2364 | #endif |
1958 | |
2365 | |
|
|
2366 | #if EV_PREPARE_ENABLE |
1959 | /* queue prepare watchers (and execute them) */ |
2367 | /* queue prepare watchers (and execute them) */ |
1960 | if (expect_false (preparecnt)) |
2368 | if (expect_false (preparecnt)) |
1961 | { |
2369 | { |
1962 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2370 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1963 | call_pending (EV_A); |
2371 | EV_INVOKE_PENDING; |
1964 | } |
2372 | } |
|
|
2373 | #endif |
1965 | |
2374 | |
1966 | if (expect_false (!activecnt)) |
2375 | if (expect_false (loop_done)) |
1967 | break; |
2376 | break; |
1968 | |
2377 | |
1969 | /* we might have forked, so reify kernel state if necessary */ |
2378 | /* we might have forked, so reify kernel state if necessary */ |
1970 | if (expect_false (postfork)) |
2379 | if (expect_false (postfork)) |
1971 | loop_fork (EV_A); |
2380 | loop_fork (EV_A); |
… | |
… | |
1976 | /* calculate blocking time */ |
2385 | /* calculate blocking time */ |
1977 | { |
2386 | { |
1978 | ev_tstamp waittime = 0.; |
2387 | ev_tstamp waittime = 0.; |
1979 | ev_tstamp sleeptime = 0.; |
2388 | ev_tstamp sleeptime = 0.; |
1980 | |
2389 | |
|
|
2390 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2391 | ev_tstamp prev_mn_now = mn_now; |
|
|
2392 | |
|
|
2393 | /* update time to cancel out callback processing overhead */ |
|
|
2394 | time_update (EV_A_ 1e100); |
|
|
2395 | |
1981 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2396 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
1982 | { |
2397 | { |
1983 | /* update time to cancel out callback processing overhead */ |
|
|
1984 | time_update (EV_A_ 1e100); |
|
|
1985 | |
|
|
1986 | waittime = MAX_BLOCKTIME; |
2398 | waittime = MAX_BLOCKTIME; |
1987 | |
2399 | |
1988 | if (timercnt) |
2400 | if (timercnt) |
1989 | { |
2401 | { |
1990 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2402 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
1997 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2409 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1998 | if (waittime > to) waittime = to; |
2410 | if (waittime > to) waittime = to; |
1999 | } |
2411 | } |
2000 | #endif |
2412 | #endif |
2001 | |
2413 | |
|
|
2414 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2002 | if (expect_false (waittime < timeout_blocktime)) |
2415 | if (expect_false (waittime < timeout_blocktime)) |
2003 | waittime = timeout_blocktime; |
2416 | waittime = timeout_blocktime; |
2004 | |
2417 | |
2005 | sleeptime = waittime - backend_fudge; |
2418 | /* extra check because io_blocktime is commonly 0 */ |
2006 | |
|
|
2007 | if (expect_true (sleeptime > io_blocktime)) |
2419 | if (expect_false (io_blocktime)) |
2008 | sleeptime = io_blocktime; |
|
|
2009 | |
|
|
2010 | if (sleeptime) |
|
|
2011 | { |
2420 | { |
|
|
2421 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2422 | |
|
|
2423 | if (sleeptime > waittime - backend_fudge) |
|
|
2424 | sleeptime = waittime - backend_fudge; |
|
|
2425 | |
|
|
2426 | if (expect_true (sleeptime > 0.)) |
|
|
2427 | { |
2012 | ev_sleep (sleeptime); |
2428 | ev_sleep (sleeptime); |
2013 | waittime -= sleeptime; |
2429 | waittime -= sleeptime; |
|
|
2430 | } |
2014 | } |
2431 | } |
2015 | } |
2432 | } |
2016 | |
2433 | |
|
|
2434 | #if EV_FEATURE_API |
2017 | ++loop_count; |
2435 | ++loop_count; |
|
|
2436 | #endif |
|
|
2437 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2018 | backend_poll (EV_A_ waittime); |
2438 | backend_poll (EV_A_ waittime); |
|
|
2439 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2019 | |
2440 | |
2020 | /* update ev_rt_now, do magic */ |
2441 | /* update ev_rt_now, do magic */ |
2021 | time_update (EV_A_ waittime + sleeptime); |
2442 | time_update (EV_A_ waittime + sleeptime); |
2022 | } |
2443 | } |
2023 | |
2444 | |
… | |
… | |
2030 | #if EV_IDLE_ENABLE |
2451 | #if EV_IDLE_ENABLE |
2031 | /* queue idle watchers unless other events are pending */ |
2452 | /* queue idle watchers unless other events are pending */ |
2032 | idle_reify (EV_A); |
2453 | idle_reify (EV_A); |
2033 | #endif |
2454 | #endif |
2034 | |
2455 | |
|
|
2456 | #if EV_CHECK_ENABLE |
2035 | /* queue check watchers, to be executed first */ |
2457 | /* queue check watchers, to be executed first */ |
2036 | if (expect_false (checkcnt)) |
2458 | if (expect_false (checkcnt)) |
2037 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2459 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2460 | #endif |
2038 | |
2461 | |
2039 | call_pending (EV_A); |
2462 | EV_INVOKE_PENDING; |
2040 | } |
2463 | } |
2041 | while (expect_true ( |
2464 | while (expect_true ( |
2042 | activecnt |
2465 | activecnt |
2043 | && !loop_done |
2466 | && !loop_done |
2044 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2467 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2045 | )); |
2468 | )); |
2046 | |
2469 | |
2047 | if (loop_done == EVUNLOOP_ONE) |
2470 | if (loop_done == EVBREAK_ONE) |
2048 | loop_done = EVUNLOOP_CANCEL; |
2471 | loop_done = EVBREAK_CANCEL; |
2049 | } |
|
|
2050 | |
2472 | |
|
|
2473 | #if EV_FEATURE_API |
|
|
2474 | --loop_depth; |
|
|
2475 | #endif |
|
|
2476 | } |
|
|
2477 | |
2051 | void |
2478 | void |
2052 | ev_unloop (EV_P_ int how) |
2479 | ev_break (EV_P_ int how) |
2053 | { |
2480 | { |
2054 | loop_done = how; |
2481 | loop_done = how; |
2055 | } |
2482 | } |
2056 | |
2483 | |
|
|
2484 | void |
|
|
2485 | ev_ref (EV_P) |
|
|
2486 | { |
|
|
2487 | ++activecnt; |
|
|
2488 | } |
|
|
2489 | |
|
|
2490 | void |
|
|
2491 | ev_unref (EV_P) |
|
|
2492 | { |
|
|
2493 | --activecnt; |
|
|
2494 | } |
|
|
2495 | |
|
|
2496 | void |
|
|
2497 | ev_now_update (EV_P) |
|
|
2498 | { |
|
|
2499 | time_update (EV_A_ 1e100); |
|
|
2500 | } |
|
|
2501 | |
|
|
2502 | void |
|
|
2503 | ev_suspend (EV_P) |
|
|
2504 | { |
|
|
2505 | ev_now_update (EV_A); |
|
|
2506 | } |
|
|
2507 | |
|
|
2508 | void |
|
|
2509 | ev_resume (EV_P) |
|
|
2510 | { |
|
|
2511 | ev_tstamp mn_prev = mn_now; |
|
|
2512 | |
|
|
2513 | ev_now_update (EV_A); |
|
|
2514 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2515 | #if EV_PERIODIC_ENABLE |
|
|
2516 | /* TODO: really do this? */ |
|
|
2517 | periodics_reschedule (EV_A); |
|
|
2518 | #endif |
|
|
2519 | } |
|
|
2520 | |
2057 | /*****************************************************************************/ |
2521 | /*****************************************************************************/ |
|
|
2522 | /* singly-linked list management, used when the expected list length is short */ |
2058 | |
2523 | |
2059 | void inline_size |
2524 | inline_size void |
2060 | wlist_add (WL *head, WL elem) |
2525 | wlist_add (WL *head, WL elem) |
2061 | { |
2526 | { |
2062 | elem->next = *head; |
2527 | elem->next = *head; |
2063 | *head = elem; |
2528 | *head = elem; |
2064 | } |
2529 | } |
2065 | |
2530 | |
2066 | void inline_size |
2531 | inline_size void |
2067 | wlist_del (WL *head, WL elem) |
2532 | wlist_del (WL *head, WL elem) |
2068 | { |
2533 | { |
2069 | while (*head) |
2534 | while (*head) |
2070 | { |
2535 | { |
2071 | if (*head == elem) |
2536 | if (expect_true (*head == elem)) |
2072 | { |
2537 | { |
2073 | *head = elem->next; |
2538 | *head = elem->next; |
2074 | return; |
2539 | break; |
2075 | } |
2540 | } |
2076 | |
2541 | |
2077 | head = &(*head)->next; |
2542 | head = &(*head)->next; |
2078 | } |
2543 | } |
2079 | } |
2544 | } |
2080 | |
2545 | |
2081 | void inline_speed |
2546 | /* internal, faster, version of ev_clear_pending */ |
|
|
2547 | inline_speed void |
2082 | clear_pending (EV_P_ W w) |
2548 | clear_pending (EV_P_ W w) |
2083 | { |
2549 | { |
2084 | if (w->pending) |
2550 | if (w->pending) |
2085 | { |
2551 | { |
2086 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2552 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
2087 | w->pending = 0; |
2553 | w->pending = 0; |
2088 | } |
2554 | } |
2089 | } |
2555 | } |
2090 | |
2556 | |
2091 | int |
2557 | int |
… | |
… | |
2095 | int pending = w_->pending; |
2561 | int pending = w_->pending; |
2096 | |
2562 | |
2097 | if (expect_true (pending)) |
2563 | if (expect_true (pending)) |
2098 | { |
2564 | { |
2099 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2565 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2566 | p->w = (W)&pending_w; |
2100 | w_->pending = 0; |
2567 | w_->pending = 0; |
2101 | p->w = 0; |
|
|
2102 | return p->events; |
2568 | return p->events; |
2103 | } |
2569 | } |
2104 | else |
2570 | else |
2105 | return 0; |
2571 | return 0; |
2106 | } |
2572 | } |
2107 | |
2573 | |
2108 | void inline_size |
2574 | inline_size void |
2109 | pri_adjust (EV_P_ W w) |
2575 | pri_adjust (EV_P_ W w) |
2110 | { |
2576 | { |
2111 | int pri = w->priority; |
2577 | int pri = ev_priority (w); |
2112 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2578 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2113 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2579 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2114 | w->priority = pri; |
2580 | ev_set_priority (w, pri); |
2115 | } |
2581 | } |
2116 | |
2582 | |
2117 | void inline_speed |
2583 | inline_speed void |
2118 | ev_start (EV_P_ W w, int active) |
2584 | ev_start (EV_P_ W w, int active) |
2119 | { |
2585 | { |
2120 | pri_adjust (EV_A_ w); |
2586 | pri_adjust (EV_A_ w); |
2121 | w->active = active; |
2587 | w->active = active; |
2122 | ev_ref (EV_A); |
2588 | ev_ref (EV_A); |
2123 | } |
2589 | } |
2124 | |
2590 | |
2125 | void inline_size |
2591 | inline_size void |
2126 | ev_stop (EV_P_ W w) |
2592 | ev_stop (EV_P_ W w) |
2127 | { |
2593 | { |
2128 | ev_unref (EV_A); |
2594 | ev_unref (EV_A); |
2129 | w->active = 0; |
2595 | w->active = 0; |
2130 | } |
2596 | } |
… | |
… | |
2137 | int fd = w->fd; |
2603 | int fd = w->fd; |
2138 | |
2604 | |
2139 | if (expect_false (ev_is_active (w))) |
2605 | if (expect_false (ev_is_active (w))) |
2140 | return; |
2606 | return; |
2141 | |
2607 | |
2142 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2608 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2609 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2143 | |
2610 | |
2144 | EV_FREQUENT_CHECK; |
2611 | EV_FREQUENT_CHECK; |
2145 | |
2612 | |
2146 | ev_start (EV_A_ (W)w, 1); |
2613 | ev_start (EV_A_ (W)w, 1); |
2147 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2614 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2148 | wlist_add (&anfds[fd].head, (WL)w); |
2615 | wlist_add (&anfds[fd].head, (WL)w); |
2149 | |
2616 | |
2150 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2617 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2151 | w->events &= ~EV_IOFDSET; |
2618 | w->events &= ~EV__IOFDSET; |
2152 | |
2619 | |
2153 | EV_FREQUENT_CHECK; |
2620 | EV_FREQUENT_CHECK; |
2154 | } |
2621 | } |
2155 | |
2622 | |
2156 | void noinline |
2623 | void noinline |
… | |
… | |
2158 | { |
2625 | { |
2159 | clear_pending (EV_A_ (W)w); |
2626 | clear_pending (EV_A_ (W)w); |
2160 | if (expect_false (!ev_is_active (w))) |
2627 | if (expect_false (!ev_is_active (w))) |
2161 | return; |
2628 | return; |
2162 | |
2629 | |
2163 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2630 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2164 | |
2631 | |
2165 | EV_FREQUENT_CHECK; |
2632 | EV_FREQUENT_CHECK; |
2166 | |
2633 | |
2167 | wlist_del (&anfds[w->fd].head, (WL)w); |
2634 | wlist_del (&anfds[w->fd].head, (WL)w); |
2168 | ev_stop (EV_A_ (W)w); |
2635 | ev_stop (EV_A_ (W)w); |
2169 | |
2636 | |
2170 | fd_change (EV_A_ w->fd, 1); |
2637 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2171 | |
2638 | |
2172 | EV_FREQUENT_CHECK; |
2639 | EV_FREQUENT_CHECK; |
2173 | } |
2640 | } |
2174 | |
2641 | |
2175 | void noinline |
2642 | void noinline |
… | |
… | |
2178 | if (expect_false (ev_is_active (w))) |
2645 | if (expect_false (ev_is_active (w))) |
2179 | return; |
2646 | return; |
2180 | |
2647 | |
2181 | ev_at (w) += mn_now; |
2648 | ev_at (w) += mn_now; |
2182 | |
2649 | |
2183 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2650 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2184 | |
2651 | |
2185 | EV_FREQUENT_CHECK; |
2652 | EV_FREQUENT_CHECK; |
2186 | |
2653 | |
2187 | ++timercnt; |
2654 | ++timercnt; |
2188 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
2655 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
… | |
… | |
2191 | ANHE_at_cache (timers [ev_active (w)]); |
2658 | ANHE_at_cache (timers [ev_active (w)]); |
2192 | upheap (timers, ev_active (w)); |
2659 | upheap (timers, ev_active (w)); |
2193 | |
2660 | |
2194 | EV_FREQUENT_CHECK; |
2661 | EV_FREQUENT_CHECK; |
2195 | |
2662 | |
2196 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2663 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2197 | } |
2664 | } |
2198 | |
2665 | |
2199 | void noinline |
2666 | void noinline |
2200 | ev_timer_stop (EV_P_ ev_timer *w) |
2667 | ev_timer_stop (EV_P_ ev_timer *w) |
2201 | { |
2668 | { |
… | |
… | |
2206 | EV_FREQUENT_CHECK; |
2673 | EV_FREQUENT_CHECK; |
2207 | |
2674 | |
2208 | { |
2675 | { |
2209 | int active = ev_active (w); |
2676 | int active = ev_active (w); |
2210 | |
2677 | |
2211 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2678 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2212 | |
2679 | |
2213 | --timercnt; |
2680 | --timercnt; |
2214 | |
2681 | |
2215 | if (expect_true (active < timercnt + HEAP0)) |
2682 | if (expect_true (active < timercnt + HEAP0)) |
2216 | { |
2683 | { |
2217 | timers [active] = timers [timercnt + HEAP0]; |
2684 | timers [active] = timers [timercnt + HEAP0]; |
2218 | adjustheap (timers, timercnt, active); |
2685 | adjustheap (timers, timercnt, active); |
2219 | } |
2686 | } |
2220 | } |
2687 | } |
2221 | |
2688 | |
2222 | EV_FREQUENT_CHECK; |
|
|
2223 | |
|
|
2224 | ev_at (w) -= mn_now; |
2689 | ev_at (w) -= mn_now; |
2225 | |
2690 | |
2226 | ev_stop (EV_A_ (W)w); |
2691 | ev_stop (EV_A_ (W)w); |
|
|
2692 | |
|
|
2693 | EV_FREQUENT_CHECK; |
2227 | } |
2694 | } |
2228 | |
2695 | |
2229 | void noinline |
2696 | void noinline |
2230 | ev_timer_again (EV_P_ ev_timer *w) |
2697 | ev_timer_again (EV_P_ ev_timer *w) |
2231 | { |
2698 | { |
… | |
… | |
2249 | } |
2716 | } |
2250 | |
2717 | |
2251 | EV_FREQUENT_CHECK; |
2718 | EV_FREQUENT_CHECK; |
2252 | } |
2719 | } |
2253 | |
2720 | |
|
|
2721 | ev_tstamp |
|
|
2722 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2723 | { |
|
|
2724 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
|
|
2725 | } |
|
|
2726 | |
2254 | #if EV_PERIODIC_ENABLE |
2727 | #if EV_PERIODIC_ENABLE |
2255 | void noinline |
2728 | void noinline |
2256 | ev_periodic_start (EV_P_ ev_periodic *w) |
2729 | ev_periodic_start (EV_P_ ev_periodic *w) |
2257 | { |
2730 | { |
2258 | if (expect_false (ev_is_active (w))) |
2731 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2260 | |
2733 | |
2261 | if (w->reschedule_cb) |
2734 | if (w->reschedule_cb) |
2262 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2735 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2263 | else if (w->interval) |
2736 | else if (w->interval) |
2264 | { |
2737 | { |
2265 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2738 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2266 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2739 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2267 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2740 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2268 | } |
2741 | } |
2269 | else |
2742 | else |
2270 | ev_at (w) = w->offset; |
2743 | ev_at (w) = w->offset; |
… | |
… | |
2278 | ANHE_at_cache (periodics [ev_active (w)]); |
2751 | ANHE_at_cache (periodics [ev_active (w)]); |
2279 | upheap (periodics, ev_active (w)); |
2752 | upheap (periodics, ev_active (w)); |
2280 | |
2753 | |
2281 | EV_FREQUENT_CHECK; |
2754 | EV_FREQUENT_CHECK; |
2282 | |
2755 | |
2283 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2756 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2284 | } |
2757 | } |
2285 | |
2758 | |
2286 | void noinline |
2759 | void noinline |
2287 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2760 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2288 | { |
2761 | { |
… | |
… | |
2293 | EV_FREQUENT_CHECK; |
2766 | EV_FREQUENT_CHECK; |
2294 | |
2767 | |
2295 | { |
2768 | { |
2296 | int active = ev_active (w); |
2769 | int active = ev_active (w); |
2297 | |
2770 | |
2298 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2771 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2299 | |
2772 | |
2300 | --periodiccnt; |
2773 | --periodiccnt; |
2301 | |
2774 | |
2302 | if (expect_true (active < periodiccnt + HEAP0)) |
2775 | if (expect_true (active < periodiccnt + HEAP0)) |
2303 | { |
2776 | { |
2304 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2777 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2305 | adjustheap (periodics, periodiccnt, active); |
2778 | adjustheap (periodics, periodiccnt, active); |
2306 | } |
2779 | } |
2307 | } |
2780 | } |
2308 | |
2781 | |
2309 | EV_FREQUENT_CHECK; |
|
|
2310 | |
|
|
2311 | ev_stop (EV_A_ (W)w); |
2782 | ev_stop (EV_A_ (W)w); |
|
|
2783 | |
|
|
2784 | EV_FREQUENT_CHECK; |
2312 | } |
2785 | } |
2313 | |
2786 | |
2314 | void noinline |
2787 | void noinline |
2315 | ev_periodic_again (EV_P_ ev_periodic *w) |
2788 | ev_periodic_again (EV_P_ ev_periodic *w) |
2316 | { |
2789 | { |
… | |
… | |
2322 | |
2795 | |
2323 | #ifndef SA_RESTART |
2796 | #ifndef SA_RESTART |
2324 | # define SA_RESTART 0 |
2797 | # define SA_RESTART 0 |
2325 | #endif |
2798 | #endif |
2326 | |
2799 | |
|
|
2800 | #if EV_SIGNAL_ENABLE |
|
|
2801 | |
2327 | void noinline |
2802 | void noinline |
2328 | ev_signal_start (EV_P_ ev_signal *w) |
2803 | ev_signal_start (EV_P_ ev_signal *w) |
2329 | { |
2804 | { |
2330 | #if EV_MULTIPLICITY |
|
|
2331 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2332 | #endif |
|
|
2333 | if (expect_false (ev_is_active (w))) |
2805 | if (expect_false (ev_is_active (w))) |
2334 | return; |
2806 | return; |
2335 | |
2807 | |
2336 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2808 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2337 | |
2809 | |
2338 | evpipe_init (EV_A); |
2810 | #if EV_MULTIPLICITY |
|
|
2811 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2812 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2339 | |
2813 | |
2340 | EV_FREQUENT_CHECK; |
2814 | signals [w->signum - 1].loop = EV_A; |
|
|
2815 | #endif |
2341 | |
2816 | |
|
|
2817 | EV_FREQUENT_CHECK; |
|
|
2818 | |
|
|
2819 | #if EV_USE_SIGNALFD |
|
|
2820 | if (sigfd == -2) |
2342 | { |
2821 | { |
2343 | #ifndef _WIN32 |
2822 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2344 | sigset_t full, prev; |
2823 | if (sigfd < 0 && errno == EINVAL) |
2345 | sigfillset (&full); |
2824 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2346 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2347 | #endif |
|
|
2348 | |
2825 | |
2349 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2826 | if (sigfd >= 0) |
|
|
2827 | { |
|
|
2828 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2350 | |
2829 | |
2351 | #ifndef _WIN32 |
2830 | sigemptyset (&sigfd_set); |
2352 | sigprocmask (SIG_SETMASK, &prev, 0); |
2831 | |
2353 | #endif |
2832 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2833 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2834 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2835 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2836 | } |
2354 | } |
2837 | } |
|
|
2838 | |
|
|
2839 | if (sigfd >= 0) |
|
|
2840 | { |
|
|
2841 | /* TODO: check .head */ |
|
|
2842 | sigaddset (&sigfd_set, w->signum); |
|
|
2843 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2844 | |
|
|
2845 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2846 | } |
|
|
2847 | #endif |
2355 | |
2848 | |
2356 | ev_start (EV_A_ (W)w, 1); |
2849 | ev_start (EV_A_ (W)w, 1); |
2357 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2850 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2358 | |
2851 | |
2359 | if (!((WL)w)->next) |
2852 | if (!((WL)w)->next) |
|
|
2853 | # if EV_USE_SIGNALFD |
|
|
2854 | if (sigfd < 0) /*TODO*/ |
|
|
2855 | # endif |
2360 | { |
2856 | { |
2361 | #if _WIN32 |
2857 | # ifdef _WIN32 |
|
|
2858 | evpipe_init (EV_A); |
|
|
2859 | |
2362 | signal (w->signum, ev_sighandler); |
2860 | signal (w->signum, ev_sighandler); |
2363 | #else |
2861 | # else |
2364 | struct sigaction sa; |
2862 | struct sigaction sa; |
|
|
2863 | |
|
|
2864 | evpipe_init (EV_A); |
|
|
2865 | |
2365 | sa.sa_handler = ev_sighandler; |
2866 | sa.sa_handler = ev_sighandler; |
2366 | sigfillset (&sa.sa_mask); |
2867 | sigfillset (&sa.sa_mask); |
2367 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2868 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2368 | sigaction (w->signum, &sa, 0); |
2869 | sigaction (w->signum, &sa, 0); |
|
|
2870 | |
|
|
2871 | sigemptyset (&sa.sa_mask); |
|
|
2872 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2873 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2369 | #endif |
2874 | #endif |
2370 | } |
2875 | } |
2371 | |
2876 | |
2372 | EV_FREQUENT_CHECK; |
2877 | EV_FREQUENT_CHECK; |
2373 | } |
2878 | } |
2374 | |
2879 | |
2375 | void noinline |
2880 | void noinline |
… | |
… | |
2383 | |
2888 | |
2384 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2889 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2385 | ev_stop (EV_A_ (W)w); |
2890 | ev_stop (EV_A_ (W)w); |
2386 | |
2891 | |
2387 | if (!signals [w->signum - 1].head) |
2892 | if (!signals [w->signum - 1].head) |
|
|
2893 | { |
|
|
2894 | #if EV_MULTIPLICITY |
|
|
2895 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2896 | #endif |
|
|
2897 | #if EV_USE_SIGNALFD |
|
|
2898 | if (sigfd >= 0) |
|
|
2899 | { |
|
|
2900 | sigset_t ss; |
|
|
2901 | |
|
|
2902 | sigemptyset (&ss); |
|
|
2903 | sigaddset (&ss, w->signum); |
|
|
2904 | sigdelset (&sigfd_set, w->signum); |
|
|
2905 | |
|
|
2906 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2907 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
|
|
2908 | } |
|
|
2909 | else |
|
|
2910 | #endif |
2388 | signal (w->signum, SIG_DFL); |
2911 | signal (w->signum, SIG_DFL); |
|
|
2912 | } |
2389 | |
2913 | |
2390 | EV_FREQUENT_CHECK; |
2914 | EV_FREQUENT_CHECK; |
2391 | } |
2915 | } |
|
|
2916 | |
|
|
2917 | #endif |
|
|
2918 | |
|
|
2919 | #if EV_CHILD_ENABLE |
2392 | |
2920 | |
2393 | void |
2921 | void |
2394 | ev_child_start (EV_P_ ev_child *w) |
2922 | ev_child_start (EV_P_ ev_child *w) |
2395 | { |
2923 | { |
2396 | #if EV_MULTIPLICITY |
2924 | #if EV_MULTIPLICITY |
2397 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2925 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2398 | #endif |
2926 | #endif |
2399 | if (expect_false (ev_is_active (w))) |
2927 | if (expect_false (ev_is_active (w))) |
2400 | return; |
2928 | return; |
2401 | |
2929 | |
2402 | EV_FREQUENT_CHECK; |
2930 | EV_FREQUENT_CHECK; |
2403 | |
2931 | |
2404 | ev_start (EV_A_ (W)w, 1); |
2932 | ev_start (EV_A_ (W)w, 1); |
2405 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2933 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2406 | |
2934 | |
2407 | EV_FREQUENT_CHECK; |
2935 | EV_FREQUENT_CHECK; |
2408 | } |
2936 | } |
2409 | |
2937 | |
2410 | void |
2938 | void |
… | |
… | |
2414 | if (expect_false (!ev_is_active (w))) |
2942 | if (expect_false (!ev_is_active (w))) |
2415 | return; |
2943 | return; |
2416 | |
2944 | |
2417 | EV_FREQUENT_CHECK; |
2945 | EV_FREQUENT_CHECK; |
2418 | |
2946 | |
2419 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2947 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2420 | ev_stop (EV_A_ (W)w); |
2948 | ev_stop (EV_A_ (W)w); |
2421 | |
2949 | |
2422 | EV_FREQUENT_CHECK; |
2950 | EV_FREQUENT_CHECK; |
2423 | } |
2951 | } |
|
|
2952 | |
|
|
2953 | #endif |
2424 | |
2954 | |
2425 | #if EV_STAT_ENABLE |
2955 | #if EV_STAT_ENABLE |
2426 | |
2956 | |
2427 | # ifdef _WIN32 |
2957 | # ifdef _WIN32 |
2428 | # undef lstat |
2958 | # undef lstat |
2429 | # define lstat(a,b) _stati64 (a,b) |
2959 | # define lstat(a,b) _stati64 (a,b) |
2430 | # endif |
2960 | # endif |
2431 | |
2961 | |
2432 | #define DEF_STAT_INTERVAL 5.0074891 |
2962 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2963 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2433 | #define MIN_STAT_INTERVAL 0.1074891 |
2964 | #define MIN_STAT_INTERVAL 0.1074891 |
2434 | |
2965 | |
2435 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2966 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2436 | |
2967 | |
2437 | #if EV_USE_INOTIFY |
2968 | #if EV_USE_INOTIFY |
2438 | # define EV_INOTIFY_BUFSIZE 8192 |
2969 | |
|
|
2970 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2971 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2439 | |
2972 | |
2440 | static void noinline |
2973 | static void noinline |
2441 | infy_add (EV_P_ ev_stat *w) |
2974 | infy_add (EV_P_ ev_stat *w) |
2442 | { |
2975 | { |
2443 | 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); |
2976 | 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); |
2444 | |
2977 | |
2445 | if (w->wd < 0) |
2978 | if (w->wd >= 0) |
|
|
2979 | { |
|
|
2980 | struct statfs sfs; |
|
|
2981 | |
|
|
2982 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2983 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2984 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2985 | |
|
|
2986 | if (!fs_2625) |
|
|
2987 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
2988 | else if (!statfs (w->path, &sfs) |
|
|
2989 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
2990 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2991 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2992 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2993 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2994 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
2995 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
2996 | else |
|
|
2997 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2446 | { |
2998 | } |
2447 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2999 | else |
|
|
3000 | { |
|
|
3001 | /* can't use inotify, continue to stat */ |
|
|
3002 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2448 | |
3003 | |
2449 | /* monitor some parent directory for speedup hints */ |
3004 | /* if path is not there, monitor some parent directory for speedup hints */ |
2450 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
3005 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2451 | /* but an efficiency issue only */ |
3006 | /* but an efficiency issue only */ |
2452 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
3007 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2453 | { |
3008 | { |
2454 | char path [4096]; |
3009 | char path [4096]; |
2455 | strcpy (path, w->path); |
3010 | strcpy (path, w->path); |
… | |
… | |
2459 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
3014 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2460 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
3015 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2461 | |
3016 | |
2462 | char *pend = strrchr (path, '/'); |
3017 | char *pend = strrchr (path, '/'); |
2463 | |
3018 | |
2464 | if (!pend) |
3019 | if (!pend || pend == path) |
2465 | break; /* whoops, no '/', complain to your admin */ |
3020 | break; |
2466 | |
3021 | |
2467 | *pend = 0; |
3022 | *pend = 0; |
2468 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3023 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2469 | } |
3024 | } |
2470 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3025 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2471 | } |
3026 | } |
2472 | } |
3027 | } |
2473 | else |
|
|
2474 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2475 | |
3028 | |
2476 | if (w->wd >= 0) |
3029 | if (w->wd >= 0) |
2477 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3030 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
|
|
3031 | |
|
|
3032 | /* now re-arm timer, if required */ |
|
|
3033 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
|
|
3034 | ev_timer_again (EV_A_ &w->timer); |
|
|
3035 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2478 | } |
3036 | } |
2479 | |
3037 | |
2480 | static void noinline |
3038 | static void noinline |
2481 | infy_del (EV_P_ ev_stat *w) |
3039 | infy_del (EV_P_ ev_stat *w) |
2482 | { |
3040 | { |
… | |
… | |
2485 | |
3043 | |
2486 | if (wd < 0) |
3044 | if (wd < 0) |
2487 | return; |
3045 | return; |
2488 | |
3046 | |
2489 | w->wd = -2; |
3047 | w->wd = -2; |
2490 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3048 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2491 | wlist_del (&fs_hash [slot].head, (WL)w); |
3049 | wlist_del (&fs_hash [slot].head, (WL)w); |
2492 | |
3050 | |
2493 | /* remove this watcher, if others are watching it, they will rearm */ |
3051 | /* remove this watcher, if others are watching it, they will rearm */ |
2494 | inotify_rm_watch (fs_fd, wd); |
3052 | inotify_rm_watch (fs_fd, wd); |
2495 | } |
3053 | } |
2496 | |
3054 | |
2497 | static void noinline |
3055 | static void noinline |
2498 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3056 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2499 | { |
3057 | { |
2500 | if (slot < 0) |
3058 | if (slot < 0) |
2501 | /* overflow, need to check for all hahs slots */ |
3059 | /* overflow, need to check for all hash slots */ |
2502 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3060 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2503 | infy_wd (EV_A_ slot, wd, ev); |
3061 | infy_wd (EV_A_ slot, wd, ev); |
2504 | else |
3062 | else |
2505 | { |
3063 | { |
2506 | WL w_; |
3064 | WL w_; |
2507 | |
3065 | |
2508 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3066 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2509 | { |
3067 | { |
2510 | ev_stat *w = (ev_stat *)w_; |
3068 | ev_stat *w = (ev_stat *)w_; |
2511 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3069 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2512 | |
3070 | |
2513 | if (w->wd == wd || wd == -1) |
3071 | if (w->wd == wd || wd == -1) |
2514 | { |
3072 | { |
2515 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3073 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2516 | { |
3074 | { |
|
|
3075 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2517 | w->wd = -1; |
3076 | w->wd = -1; |
2518 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3077 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2519 | } |
3078 | } |
2520 | |
3079 | |
2521 | stat_timer_cb (EV_A_ &w->timer, 0); |
3080 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2526 | |
3085 | |
2527 | static void |
3086 | static void |
2528 | infy_cb (EV_P_ ev_io *w, int revents) |
3087 | infy_cb (EV_P_ ev_io *w, int revents) |
2529 | { |
3088 | { |
2530 | char buf [EV_INOTIFY_BUFSIZE]; |
3089 | char buf [EV_INOTIFY_BUFSIZE]; |
2531 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2532 | int ofs; |
3090 | int ofs; |
2533 | int len = read (fs_fd, buf, sizeof (buf)); |
3091 | int len = read (fs_fd, buf, sizeof (buf)); |
2534 | |
3092 | |
2535 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3093 | for (ofs = 0; ofs < len; ) |
|
|
3094 | { |
|
|
3095 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2536 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3096 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3097 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3098 | } |
2537 | } |
3099 | } |
2538 | |
3100 | |
2539 | void inline_size |
3101 | inline_size void |
|
|
3102 | ev_check_2625 (EV_P) |
|
|
3103 | { |
|
|
3104 | /* kernels < 2.6.25 are borked |
|
|
3105 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
3106 | */ |
|
|
3107 | if (ev_linux_version () < 0x020619) |
|
|
3108 | return; |
|
|
3109 | |
|
|
3110 | fs_2625 = 1; |
|
|
3111 | } |
|
|
3112 | |
|
|
3113 | inline_size int |
|
|
3114 | infy_newfd (void) |
|
|
3115 | { |
|
|
3116 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3117 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3118 | if (fd >= 0) |
|
|
3119 | return fd; |
|
|
3120 | #endif |
|
|
3121 | return inotify_init (); |
|
|
3122 | } |
|
|
3123 | |
|
|
3124 | inline_size void |
2540 | infy_init (EV_P) |
3125 | infy_init (EV_P) |
2541 | { |
3126 | { |
2542 | if (fs_fd != -2) |
3127 | if (fs_fd != -2) |
2543 | return; |
3128 | return; |
2544 | |
3129 | |
|
|
3130 | fs_fd = -1; |
|
|
3131 | |
|
|
3132 | ev_check_2625 (EV_A); |
|
|
3133 | |
2545 | fs_fd = inotify_init (); |
3134 | fs_fd = infy_newfd (); |
2546 | |
3135 | |
2547 | if (fs_fd >= 0) |
3136 | if (fs_fd >= 0) |
2548 | { |
3137 | { |
|
|
3138 | fd_intern (fs_fd); |
2549 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3139 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2550 | ev_set_priority (&fs_w, EV_MAXPRI); |
3140 | ev_set_priority (&fs_w, EV_MAXPRI); |
2551 | ev_io_start (EV_A_ &fs_w); |
3141 | ev_io_start (EV_A_ &fs_w); |
|
|
3142 | ev_unref (EV_A); |
2552 | } |
3143 | } |
2553 | } |
3144 | } |
2554 | |
3145 | |
2555 | void inline_size |
3146 | inline_size void |
2556 | infy_fork (EV_P) |
3147 | infy_fork (EV_P) |
2557 | { |
3148 | { |
2558 | int slot; |
3149 | int slot; |
2559 | |
3150 | |
2560 | if (fs_fd < 0) |
3151 | if (fs_fd < 0) |
2561 | return; |
3152 | return; |
2562 | |
3153 | |
|
|
3154 | ev_ref (EV_A); |
|
|
3155 | ev_io_stop (EV_A_ &fs_w); |
2563 | close (fs_fd); |
3156 | close (fs_fd); |
2564 | fs_fd = inotify_init (); |
3157 | fs_fd = infy_newfd (); |
2565 | |
3158 | |
|
|
3159 | if (fs_fd >= 0) |
|
|
3160 | { |
|
|
3161 | fd_intern (fs_fd); |
|
|
3162 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3163 | ev_io_start (EV_A_ &fs_w); |
|
|
3164 | ev_unref (EV_A); |
|
|
3165 | } |
|
|
3166 | |
2566 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3167 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2567 | { |
3168 | { |
2568 | WL w_ = fs_hash [slot].head; |
3169 | WL w_ = fs_hash [slot].head; |
2569 | fs_hash [slot].head = 0; |
3170 | fs_hash [slot].head = 0; |
2570 | |
3171 | |
2571 | while (w_) |
3172 | while (w_) |
… | |
… | |
2576 | w->wd = -1; |
3177 | w->wd = -1; |
2577 | |
3178 | |
2578 | if (fs_fd >= 0) |
3179 | if (fs_fd >= 0) |
2579 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3180 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2580 | else |
3181 | else |
|
|
3182 | { |
|
|
3183 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3184 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2581 | ev_timer_start (EV_A_ &w->timer); |
3185 | ev_timer_again (EV_A_ &w->timer); |
|
|
3186 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3187 | } |
2582 | } |
3188 | } |
2583 | |
|
|
2584 | } |
3189 | } |
2585 | } |
3190 | } |
2586 | |
3191 | |
2587 | #endif |
3192 | #endif |
2588 | |
3193 | |
… | |
… | |
2604 | static void noinline |
3209 | static void noinline |
2605 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3210 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2606 | { |
3211 | { |
2607 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3212 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2608 | |
3213 | |
2609 | /* we copy this here each the time so that */ |
3214 | ev_statdata prev = w->attr; |
2610 | /* prev has the old value when the callback gets invoked */ |
|
|
2611 | w->prev = w->attr; |
|
|
2612 | ev_stat_stat (EV_A_ w); |
3215 | ev_stat_stat (EV_A_ w); |
2613 | |
3216 | |
2614 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3217 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
2615 | if ( |
3218 | if ( |
2616 | w->prev.st_dev != w->attr.st_dev |
3219 | prev.st_dev != w->attr.st_dev |
2617 | || w->prev.st_ino != w->attr.st_ino |
3220 | || prev.st_ino != w->attr.st_ino |
2618 | || w->prev.st_mode != w->attr.st_mode |
3221 | || prev.st_mode != w->attr.st_mode |
2619 | || w->prev.st_nlink != w->attr.st_nlink |
3222 | || prev.st_nlink != w->attr.st_nlink |
2620 | || w->prev.st_uid != w->attr.st_uid |
3223 | || prev.st_uid != w->attr.st_uid |
2621 | || w->prev.st_gid != w->attr.st_gid |
3224 | || prev.st_gid != w->attr.st_gid |
2622 | || w->prev.st_rdev != w->attr.st_rdev |
3225 | || prev.st_rdev != w->attr.st_rdev |
2623 | || w->prev.st_size != w->attr.st_size |
3226 | || prev.st_size != w->attr.st_size |
2624 | || w->prev.st_atime != w->attr.st_atime |
3227 | || prev.st_atime != w->attr.st_atime |
2625 | || w->prev.st_mtime != w->attr.st_mtime |
3228 | || prev.st_mtime != w->attr.st_mtime |
2626 | || w->prev.st_ctime != w->attr.st_ctime |
3229 | || prev.st_ctime != w->attr.st_ctime |
2627 | ) { |
3230 | ) { |
|
|
3231 | /* we only update w->prev on actual differences */ |
|
|
3232 | /* in case we test more often than invoke the callback, */ |
|
|
3233 | /* to ensure that prev is always different to attr */ |
|
|
3234 | w->prev = prev; |
|
|
3235 | |
2628 | #if EV_USE_INOTIFY |
3236 | #if EV_USE_INOTIFY |
|
|
3237 | if (fs_fd >= 0) |
|
|
3238 | { |
2629 | infy_del (EV_A_ w); |
3239 | infy_del (EV_A_ w); |
2630 | infy_add (EV_A_ w); |
3240 | infy_add (EV_A_ w); |
2631 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
3241 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
3242 | } |
2632 | #endif |
3243 | #endif |
2633 | |
3244 | |
2634 | ev_feed_event (EV_A_ w, EV_STAT); |
3245 | ev_feed_event (EV_A_ w, EV_STAT); |
2635 | } |
3246 | } |
2636 | } |
3247 | } |
… | |
… | |
2639 | ev_stat_start (EV_P_ ev_stat *w) |
3250 | ev_stat_start (EV_P_ ev_stat *w) |
2640 | { |
3251 | { |
2641 | if (expect_false (ev_is_active (w))) |
3252 | if (expect_false (ev_is_active (w))) |
2642 | return; |
3253 | return; |
2643 | |
3254 | |
2644 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2645 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2646 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2647 | |
|
|
2648 | ev_stat_stat (EV_A_ w); |
3255 | ev_stat_stat (EV_A_ w); |
2649 | |
3256 | |
|
|
3257 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2650 | if (w->interval < MIN_STAT_INTERVAL) |
3258 | w->interval = MIN_STAT_INTERVAL; |
2651 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2652 | |
3259 | |
2653 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
3260 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2654 | ev_set_priority (&w->timer, ev_priority (w)); |
3261 | ev_set_priority (&w->timer, ev_priority (w)); |
2655 | |
3262 | |
2656 | #if EV_USE_INOTIFY |
3263 | #if EV_USE_INOTIFY |
2657 | infy_init (EV_A); |
3264 | infy_init (EV_A); |
2658 | |
3265 | |
2659 | if (fs_fd >= 0) |
3266 | if (fs_fd >= 0) |
2660 | infy_add (EV_A_ w); |
3267 | infy_add (EV_A_ w); |
2661 | else |
3268 | else |
2662 | #endif |
3269 | #endif |
|
|
3270 | { |
2663 | ev_timer_start (EV_A_ &w->timer); |
3271 | ev_timer_again (EV_A_ &w->timer); |
|
|
3272 | ev_unref (EV_A); |
|
|
3273 | } |
2664 | |
3274 | |
2665 | ev_start (EV_A_ (W)w, 1); |
3275 | ev_start (EV_A_ (W)w, 1); |
2666 | |
3276 | |
2667 | EV_FREQUENT_CHECK; |
3277 | EV_FREQUENT_CHECK; |
2668 | } |
3278 | } |
… | |
… | |
2677 | EV_FREQUENT_CHECK; |
3287 | EV_FREQUENT_CHECK; |
2678 | |
3288 | |
2679 | #if EV_USE_INOTIFY |
3289 | #if EV_USE_INOTIFY |
2680 | infy_del (EV_A_ w); |
3290 | infy_del (EV_A_ w); |
2681 | #endif |
3291 | #endif |
|
|
3292 | |
|
|
3293 | if (ev_is_active (&w->timer)) |
|
|
3294 | { |
|
|
3295 | ev_ref (EV_A); |
2682 | ev_timer_stop (EV_A_ &w->timer); |
3296 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3297 | } |
2683 | |
3298 | |
2684 | ev_stop (EV_A_ (W)w); |
3299 | ev_stop (EV_A_ (W)w); |
2685 | |
3300 | |
2686 | EV_FREQUENT_CHECK; |
3301 | EV_FREQUENT_CHECK; |
2687 | } |
3302 | } |
… | |
… | |
2732 | |
3347 | |
2733 | EV_FREQUENT_CHECK; |
3348 | EV_FREQUENT_CHECK; |
2734 | } |
3349 | } |
2735 | #endif |
3350 | #endif |
2736 | |
3351 | |
|
|
3352 | #if EV_PREPARE_ENABLE |
2737 | void |
3353 | void |
2738 | ev_prepare_start (EV_P_ ev_prepare *w) |
3354 | ev_prepare_start (EV_P_ ev_prepare *w) |
2739 | { |
3355 | { |
2740 | if (expect_false (ev_is_active (w))) |
3356 | if (expect_false (ev_is_active (w))) |
2741 | return; |
3357 | return; |
… | |
… | |
2767 | |
3383 | |
2768 | ev_stop (EV_A_ (W)w); |
3384 | ev_stop (EV_A_ (W)w); |
2769 | |
3385 | |
2770 | EV_FREQUENT_CHECK; |
3386 | EV_FREQUENT_CHECK; |
2771 | } |
3387 | } |
|
|
3388 | #endif |
2772 | |
3389 | |
|
|
3390 | #if EV_CHECK_ENABLE |
2773 | void |
3391 | void |
2774 | ev_check_start (EV_P_ ev_check *w) |
3392 | ev_check_start (EV_P_ ev_check *w) |
2775 | { |
3393 | { |
2776 | if (expect_false (ev_is_active (w))) |
3394 | if (expect_false (ev_is_active (w))) |
2777 | return; |
3395 | return; |
… | |
… | |
2803 | |
3421 | |
2804 | ev_stop (EV_A_ (W)w); |
3422 | ev_stop (EV_A_ (W)w); |
2805 | |
3423 | |
2806 | EV_FREQUENT_CHECK; |
3424 | EV_FREQUENT_CHECK; |
2807 | } |
3425 | } |
|
|
3426 | #endif |
2808 | |
3427 | |
2809 | #if EV_EMBED_ENABLE |
3428 | #if EV_EMBED_ENABLE |
2810 | void noinline |
3429 | void noinline |
2811 | ev_embed_sweep (EV_P_ ev_embed *w) |
3430 | ev_embed_sweep (EV_P_ ev_embed *w) |
2812 | { |
3431 | { |
2813 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3432 | ev_run (w->other, EVRUN_NOWAIT); |
2814 | } |
3433 | } |
2815 | |
3434 | |
2816 | static void |
3435 | static void |
2817 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3436 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2818 | { |
3437 | { |
2819 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3438 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2820 | |
3439 | |
2821 | if (ev_cb (w)) |
3440 | if (ev_cb (w)) |
2822 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3441 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2823 | else |
3442 | else |
2824 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3443 | ev_run (w->other, EVRUN_NOWAIT); |
2825 | } |
3444 | } |
2826 | |
3445 | |
2827 | static void |
3446 | static void |
2828 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3447 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
2829 | { |
3448 | { |
2830 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3449 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
2831 | |
3450 | |
2832 | { |
3451 | { |
2833 | struct ev_loop *loop = w->other; |
3452 | EV_P = w->other; |
2834 | |
3453 | |
2835 | while (fdchangecnt) |
3454 | while (fdchangecnt) |
2836 | { |
3455 | { |
2837 | fd_reify (EV_A); |
3456 | fd_reify (EV_A); |
2838 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3457 | ev_run (EV_A_ EVRUN_NOWAIT); |
2839 | } |
3458 | } |
2840 | } |
3459 | } |
2841 | } |
3460 | } |
2842 | |
3461 | |
2843 | static void |
3462 | static void |
2844 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
3463 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
2845 | { |
3464 | { |
2846 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3465 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
2847 | |
3466 | |
|
|
3467 | ev_embed_stop (EV_A_ w); |
|
|
3468 | |
2848 | { |
3469 | { |
2849 | struct ev_loop *loop = w->other; |
3470 | EV_P = w->other; |
2850 | |
3471 | |
2851 | ev_loop_fork (EV_A); |
3472 | ev_loop_fork (EV_A); |
|
|
3473 | ev_run (EV_A_ EVRUN_NOWAIT); |
2852 | } |
3474 | } |
|
|
3475 | |
|
|
3476 | ev_embed_start (EV_A_ w); |
2853 | } |
3477 | } |
2854 | |
3478 | |
2855 | #if 0 |
3479 | #if 0 |
2856 | static void |
3480 | static void |
2857 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
3481 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
… | |
… | |
2865 | { |
3489 | { |
2866 | if (expect_false (ev_is_active (w))) |
3490 | if (expect_false (ev_is_active (w))) |
2867 | return; |
3491 | return; |
2868 | |
3492 | |
2869 | { |
3493 | { |
2870 | struct ev_loop *loop = w->other; |
3494 | EV_P = w->other; |
2871 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3495 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2872 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3496 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2873 | } |
3497 | } |
2874 | |
3498 | |
2875 | EV_FREQUENT_CHECK; |
3499 | EV_FREQUENT_CHECK; |
2876 | |
3500 | |
… | |
… | |
2902 | |
3526 | |
2903 | ev_io_stop (EV_A_ &w->io); |
3527 | ev_io_stop (EV_A_ &w->io); |
2904 | ev_prepare_stop (EV_A_ &w->prepare); |
3528 | ev_prepare_stop (EV_A_ &w->prepare); |
2905 | ev_fork_stop (EV_A_ &w->fork); |
3529 | ev_fork_stop (EV_A_ &w->fork); |
2906 | |
3530 | |
|
|
3531 | ev_stop (EV_A_ (W)w); |
|
|
3532 | |
2907 | EV_FREQUENT_CHECK; |
3533 | EV_FREQUENT_CHECK; |
2908 | } |
3534 | } |
2909 | #endif |
3535 | #endif |
2910 | |
3536 | |
2911 | #if EV_FORK_ENABLE |
3537 | #if EV_FORK_ENABLE |
… | |
… | |
2944 | |
3570 | |
2945 | EV_FREQUENT_CHECK; |
3571 | EV_FREQUENT_CHECK; |
2946 | } |
3572 | } |
2947 | #endif |
3573 | #endif |
2948 | |
3574 | |
2949 | #if EV_ASYNC_ENABLE |
3575 | #if EV_CLEANUP_ENABLE |
2950 | void |
3576 | void |
2951 | ev_async_start (EV_P_ ev_async *w) |
3577 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
2952 | { |
3578 | { |
2953 | if (expect_false (ev_is_active (w))) |
3579 | if (expect_false (ev_is_active (w))) |
2954 | return; |
3580 | return; |
|
|
3581 | |
|
|
3582 | EV_FREQUENT_CHECK; |
|
|
3583 | |
|
|
3584 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3585 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3586 | cleanups [cleanupcnt - 1] = w; |
|
|
3587 | |
|
|
3588 | EV_FREQUENT_CHECK; |
|
|
3589 | } |
|
|
3590 | |
|
|
3591 | void |
|
|
3592 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3593 | { |
|
|
3594 | clear_pending (EV_A_ (W)w); |
|
|
3595 | if (expect_false (!ev_is_active (w))) |
|
|
3596 | return; |
|
|
3597 | |
|
|
3598 | EV_FREQUENT_CHECK; |
|
|
3599 | |
|
|
3600 | { |
|
|
3601 | int active = ev_active (w); |
|
|
3602 | |
|
|
3603 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3604 | ev_active (cleanups [active - 1]) = active; |
|
|
3605 | } |
|
|
3606 | |
|
|
3607 | ev_stop (EV_A_ (W)w); |
|
|
3608 | |
|
|
3609 | EV_FREQUENT_CHECK; |
|
|
3610 | } |
|
|
3611 | #endif |
|
|
3612 | |
|
|
3613 | #if EV_ASYNC_ENABLE |
|
|
3614 | void |
|
|
3615 | ev_async_start (EV_P_ ev_async *w) |
|
|
3616 | { |
|
|
3617 | if (expect_false (ev_is_active (w))) |
|
|
3618 | return; |
|
|
3619 | |
|
|
3620 | w->sent = 0; |
2955 | |
3621 | |
2956 | evpipe_init (EV_A); |
3622 | evpipe_init (EV_A); |
2957 | |
3623 | |
2958 | EV_FREQUENT_CHECK; |
3624 | EV_FREQUENT_CHECK; |
2959 | |
3625 | |
… | |
… | |
2987 | |
3653 | |
2988 | void |
3654 | void |
2989 | ev_async_send (EV_P_ ev_async *w) |
3655 | ev_async_send (EV_P_ ev_async *w) |
2990 | { |
3656 | { |
2991 | w->sent = 1; |
3657 | w->sent = 1; |
2992 | evpipe_write (EV_A_ &gotasync); |
3658 | evpipe_write (EV_A_ &async_pending); |
2993 | } |
3659 | } |
2994 | #endif |
3660 | #endif |
2995 | |
3661 | |
2996 | /*****************************************************************************/ |
3662 | /*****************************************************************************/ |
2997 | |
3663 | |
… | |
… | |
3037 | { |
3703 | { |
3038 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3704 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3039 | |
3705 | |
3040 | if (expect_false (!once)) |
3706 | if (expect_false (!once)) |
3041 | { |
3707 | { |
3042 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3708 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3043 | return; |
3709 | return; |
3044 | } |
3710 | } |
3045 | |
3711 | |
3046 | once->cb = cb; |
3712 | once->cb = cb; |
3047 | once->arg = arg; |
3713 | once->arg = arg; |
… | |
… | |
3059 | ev_timer_set (&once->to, timeout, 0.); |
3725 | ev_timer_set (&once->to, timeout, 0.); |
3060 | ev_timer_start (EV_A_ &once->to); |
3726 | ev_timer_start (EV_A_ &once->to); |
3061 | } |
3727 | } |
3062 | } |
3728 | } |
3063 | |
3729 | |
|
|
3730 | /*****************************************************************************/ |
|
|
3731 | |
|
|
3732 | #if EV_WALK_ENABLE |
|
|
3733 | void |
|
|
3734 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3735 | { |
|
|
3736 | int i, j; |
|
|
3737 | ev_watcher_list *wl, *wn; |
|
|
3738 | |
|
|
3739 | if (types & (EV_IO | EV_EMBED)) |
|
|
3740 | for (i = 0; i < anfdmax; ++i) |
|
|
3741 | for (wl = anfds [i].head; wl; ) |
|
|
3742 | { |
|
|
3743 | wn = wl->next; |
|
|
3744 | |
|
|
3745 | #if EV_EMBED_ENABLE |
|
|
3746 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3747 | { |
|
|
3748 | if (types & EV_EMBED) |
|
|
3749 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3750 | } |
|
|
3751 | else |
|
|
3752 | #endif |
|
|
3753 | #if EV_USE_INOTIFY |
|
|
3754 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3755 | ; |
|
|
3756 | else |
|
|
3757 | #endif |
|
|
3758 | if ((ev_io *)wl != &pipe_w) |
|
|
3759 | if (types & EV_IO) |
|
|
3760 | cb (EV_A_ EV_IO, wl); |
|
|
3761 | |
|
|
3762 | wl = wn; |
|
|
3763 | } |
|
|
3764 | |
|
|
3765 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3766 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3767 | #if EV_STAT_ENABLE |
|
|
3768 | /*TODO: timer is not always active*/ |
|
|
3769 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3770 | { |
|
|
3771 | if (types & EV_STAT) |
|
|
3772 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3773 | } |
|
|
3774 | else |
|
|
3775 | #endif |
|
|
3776 | if (types & EV_TIMER) |
|
|
3777 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3778 | |
|
|
3779 | #if EV_PERIODIC_ENABLE |
|
|
3780 | if (types & EV_PERIODIC) |
|
|
3781 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3782 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3783 | #endif |
|
|
3784 | |
|
|
3785 | #if EV_IDLE_ENABLE |
|
|
3786 | if (types & EV_IDLE) |
|
|
3787 | for (j = NUMPRI; i--; ) |
|
|
3788 | for (i = idlecnt [j]; i--; ) |
|
|
3789 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3790 | #endif |
|
|
3791 | |
|
|
3792 | #if EV_FORK_ENABLE |
|
|
3793 | if (types & EV_FORK) |
|
|
3794 | for (i = forkcnt; i--; ) |
|
|
3795 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3796 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3797 | #endif |
|
|
3798 | |
|
|
3799 | #if EV_ASYNC_ENABLE |
|
|
3800 | if (types & EV_ASYNC) |
|
|
3801 | for (i = asynccnt; i--; ) |
|
|
3802 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3803 | #endif |
|
|
3804 | |
|
|
3805 | #if EV_PREPARE_ENABLE |
|
|
3806 | if (types & EV_PREPARE) |
|
|
3807 | for (i = preparecnt; i--; ) |
|
|
3808 | # if EV_EMBED_ENABLE |
|
|
3809 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3810 | # endif |
|
|
3811 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3812 | #endif |
|
|
3813 | |
|
|
3814 | #if EV_CHECK_ENABLE |
|
|
3815 | if (types & EV_CHECK) |
|
|
3816 | for (i = checkcnt; i--; ) |
|
|
3817 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3818 | #endif |
|
|
3819 | |
|
|
3820 | #if EV_SIGNAL_ENABLE |
|
|
3821 | if (types & EV_SIGNAL) |
|
|
3822 | for (i = 0; i < EV_NSIG - 1; ++i) |
|
|
3823 | for (wl = signals [i].head; wl; ) |
|
|
3824 | { |
|
|
3825 | wn = wl->next; |
|
|
3826 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3827 | wl = wn; |
|
|
3828 | } |
|
|
3829 | #endif |
|
|
3830 | |
|
|
3831 | #if EV_CHILD_ENABLE |
|
|
3832 | if (types & EV_CHILD) |
|
|
3833 | for (i = (EV_PID_HASHSIZE); i--; ) |
|
|
3834 | for (wl = childs [i]; wl; ) |
|
|
3835 | { |
|
|
3836 | wn = wl->next; |
|
|
3837 | cb (EV_A_ EV_CHILD, wl); |
|
|
3838 | wl = wn; |
|
|
3839 | } |
|
|
3840 | #endif |
|
|
3841 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3842 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3843 | } |
|
|
3844 | #endif |
|
|
3845 | |
3064 | #if EV_MULTIPLICITY |
3846 | #if EV_MULTIPLICITY |
3065 | #include "ev_wrap.h" |
3847 | #include "ev_wrap.h" |
3066 | #endif |
3848 | #endif |
3067 | |
3849 | |
3068 | #ifdef __cplusplus |
3850 | EV_CPP(}) |
3069 | } |
|
|
3070 | #endif |
|
|
3071 | |
3851 | |