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 |
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|
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. |
|
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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 | |
|
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209 | /* try to deduce the maximum number of signals on this platform */ |
|
|
210 | #if defined (EV_NSIG) |
|
|
211 | /* use what's provided */ |
|
|
212 | #elif defined (NSIG) |
|
|
213 | # define EV_NSIG (NSIG) |
|
|
214 | #elif defined(_NSIG) |
|
|
215 | # define EV_NSIG (_NSIG) |
|
|
216 | #elif defined (SIGMAX) |
|
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217 | # define EV_NSIG (SIGMAX+1) |
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218 | #elif defined (SIG_MAX) |
|
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219 | # define EV_NSIG (SIG_MAX+1) |
|
|
220 | #elif defined (_SIG_MAX) |
|
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221 | # define EV_NSIG (_SIG_MAX+1) |
|
|
222 | #elif defined (MAXSIG) |
|
|
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 */ |
|
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230 | #else |
|
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231 | # error "unable to find value for NSIG, please report" |
|
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232 | /* to make it compile regardless, just remove the above line, */ |
|
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233 | /* but consider reporting it, too! :) */ |
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234 | # define EV_NSIG 65 |
|
|
235 | #endif |
|
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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 |
291 | # include <sys/utsname.h> |
|
|
292 | # include <sys/statfs.h> |
387 | # include <sys/statfs.h> |
293 | # include <sys/inotify.h> |
388 | # include <sys/inotify.h> |
294 | /* 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 */ |
295 | # ifndef IN_DONT_FOLLOW |
390 | # ifndef IN_DONT_FOLLOW |
296 | # undef EV_USE_INOTIFY |
391 | # undef EV_USE_INOTIFY |
… | |
… | |
303 | #endif |
398 | #endif |
304 | |
399 | |
305 | #if EV_USE_EVENTFD |
400 | #if EV_USE_EVENTFD |
306 | /* 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 */ |
307 | # include <stdint.h> |
402 | # include <stdint.h> |
308 | # ifdef __cplusplus |
403 | # ifndef EFD_NONBLOCK |
309 | extern "C" { |
404 | # define EFD_NONBLOCK O_NONBLOCK |
310 | # endif |
405 | # endif |
311 | int eventfd (unsigned int initval, int flags); |
406 | # ifndef EFD_CLOEXEC |
312 | # ifdef __cplusplus |
407 | # ifdef O_CLOEXEC |
313 | } |
408 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
409 | # else |
|
|
410 | # define EFD_CLOEXEC 02000000 |
|
|
411 | # endif |
314 | # 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 | }; |
315 | #endif |
436 | #endif |
316 | |
437 | |
317 | /**/ |
438 | /**/ |
318 | |
439 | |
319 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
320 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
321 | #else |
442 | #else |
322 | # define EV_FREQUENT_CHECK do { } while (0) |
443 | # define EV_FREQUENT_CHECK do { } while (0) |
323 | #endif |
444 | #endif |
324 | |
445 | |
325 | /* |
446 | /* |
… | |
… | |
332 | */ |
453 | */ |
333 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
334 | |
455 | |
335 | #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) */ |
336 | #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) */ |
337 | /*#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) |
338 | |
461 | |
339 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
340 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
341 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
342 | #else |
465 | #else |
… | |
… | |
349 | |
472 | |
350 | #define expect_false(expr) expect ((expr) != 0, 0) |
473 | #define expect_false(expr) expect ((expr) != 0, 0) |
351 | #define expect_true(expr) expect ((expr) != 0, 1) |
474 | #define expect_true(expr) expect ((expr) != 0, 1) |
352 | #define inline_size static inline |
475 | #define inline_size static inline |
353 | |
476 | |
354 | #if EV_MINIMAL |
477 | #if EV_FEATURE_CODE |
|
|
478 | # define inline_speed static inline |
|
|
479 | #else |
355 | # 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) |
356 | #else |
487 | #else |
357 | # define inline_speed static inline |
|
|
358 | #endif |
|
|
359 | |
|
|
360 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
361 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
488 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
|
|
489 | #endif |
362 | |
490 | |
363 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
491 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
364 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
492 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
365 | |
493 | |
366 | typedef ev_watcher *W; |
494 | typedef ev_watcher *W; |
… | |
… | |
368 | typedef ev_watcher_time *WT; |
496 | typedef ev_watcher_time *WT; |
369 | |
497 | |
370 | #define ev_active(w) ((W)(w))->active |
498 | #define ev_active(w) ((W)(w))->active |
371 | #define ev_at(w) ((WT)(w))->at |
499 | #define ev_at(w) ((WT)(w))->at |
372 | |
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 | |
373 | #if EV_USE_MONOTONIC |
507 | #if EV_USE_MONOTONIC |
374 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
375 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
|
376 | 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) |
377 | #endif |
519 | #endif |
378 | |
520 | |
379 | #ifdef _WIN32 |
521 | #ifdef _WIN32 |
380 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
381 | #endif |
523 | #endif |
382 | |
524 | |
383 | /*****************************************************************************/ |
525 | /*****************************************************************************/ |
|
|
526 | |
|
|
527 | #ifdef __linux |
|
|
528 | # include <sys/utsname.h> |
|
|
529 | #endif |
|
|
530 | |
|
|
531 | static unsigned int noinline |
|
|
532 | ev_linux_version (void) |
|
|
533 | { |
|
|
534 | #ifdef __linux |
|
|
535 | unsigned int v = 0; |
|
|
536 | struct utsname buf; |
|
|
537 | int i; |
|
|
538 | char *p = buf.release; |
|
|
539 | |
|
|
540 | if (uname (&buf)) |
|
|
541 | return 0; |
|
|
542 | |
|
|
543 | for (i = 3+1; --i; ) |
|
|
544 | { |
|
|
545 | unsigned int c = 0; |
|
|
546 | |
|
|
547 | for (;;) |
|
|
548 | { |
|
|
549 | if (*p >= '0' && *p <= '9') |
|
|
550 | c = c * 10 + *p++ - '0'; |
|
|
551 | else |
|
|
552 | { |
|
|
553 | p += *p == '.'; |
|
|
554 | break; |
|
|
555 | } |
|
|
556 | } |
|
|
557 | |
|
|
558 | v = (v << 8) | c; |
|
|
559 | } |
|
|
560 | |
|
|
561 | return v; |
|
|
562 | #else |
|
|
563 | return 0; |
|
|
564 | #endif |
|
|
565 | } |
|
|
566 | |
|
|
567 | /*****************************************************************************/ |
|
|
568 | |
|
|
569 | #if EV_AVOID_STDIO |
|
|
570 | static void noinline |
|
|
571 | ev_printerr (const char *msg) |
|
|
572 | { |
|
|
573 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
574 | } |
|
|
575 | #endif |
384 | |
576 | |
385 | static void (*syserr_cb)(const char *msg); |
577 | static void (*syserr_cb)(const char *msg); |
386 | |
578 | |
387 | void |
579 | void |
388 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
580 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
398 | |
590 | |
399 | if (syserr_cb) |
591 | if (syserr_cb) |
400 | syserr_cb (msg); |
592 | syserr_cb (msg); |
401 | else |
593 | else |
402 | { |
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 |
403 | perror (msg); |
603 | perror (msg); |
|
|
604 | #endif |
404 | abort (); |
605 | abort (); |
405 | } |
606 | } |
406 | } |
607 | } |
407 | |
608 | |
408 | static void * |
609 | static void * |
409 | ev_realloc_emul (void *ptr, long size) |
610 | ev_realloc_emul (void *ptr, long size) |
410 | { |
611 | { |
|
|
612 | #if __GLIBC__ |
|
|
613 | return realloc (ptr, size); |
|
|
614 | #else |
411 | /* some systems, notably openbsd and darwin, fail to properly |
615 | /* some systems, notably openbsd and darwin, fail to properly |
412 | * 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 |
413 | * the single unix specification, so work around them here. |
617 | * the single unix specification, so work around them here. |
414 | */ |
618 | */ |
415 | |
619 | |
416 | if (size) |
620 | if (size) |
417 | return realloc (ptr, size); |
621 | return realloc (ptr, size); |
418 | |
622 | |
419 | free (ptr); |
623 | free (ptr); |
420 | return 0; |
624 | return 0; |
|
|
625 | #endif |
421 | } |
626 | } |
422 | |
627 | |
423 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
628 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
424 | |
629 | |
425 | void |
630 | void |
… | |
… | |
433 | { |
638 | { |
434 | ptr = alloc (ptr, size); |
639 | ptr = alloc (ptr, size); |
435 | |
640 | |
436 | if (!ptr && size) |
641 | if (!ptr && size) |
437 | { |
642 | { |
|
|
643 | #if EV_AVOID_STDIO |
|
|
644 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
|
|
645 | #else |
438 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
646 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
647 | #endif |
439 | abort (); |
648 | abort (); |
440 | } |
649 | } |
441 | |
650 | |
442 | return ptr; |
651 | return ptr; |
443 | } |
652 | } |
… | |
… | |
445 | #define ev_malloc(size) ev_realloc (0, (size)) |
654 | #define ev_malloc(size) ev_realloc (0, (size)) |
446 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
655 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
447 | |
656 | |
448 | /*****************************************************************************/ |
657 | /*****************************************************************************/ |
449 | |
658 | |
|
|
659 | /* set in reify when reification needed */ |
|
|
660 | #define EV_ANFD_REIFY 1 |
|
|
661 | |
|
|
662 | /* file descriptor info structure */ |
450 | typedef struct |
663 | typedef struct |
451 | { |
664 | { |
452 | WL head; |
665 | WL head; |
453 | unsigned char events; |
666 | unsigned char events; /* the events watched for */ |
454 | unsigned char reify; |
667 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
455 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
668 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
456 | unsigned char unused; |
669 | unsigned char unused; |
457 | #if EV_USE_EPOLL |
670 | #if EV_USE_EPOLL |
458 | unsigned int egen; /* generation counter to counter epoll bugs */ |
671 | unsigned int egen; /* generation counter to counter epoll bugs */ |
459 | #endif |
672 | #endif |
460 | #if EV_SELECT_IS_WINSOCKET |
673 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
461 | SOCKET handle; |
674 | SOCKET handle; |
462 | #endif |
675 | #endif |
|
|
676 | #if EV_USE_IOCP |
|
|
677 | OVERLAPPED or, ow; |
|
|
678 | #endif |
463 | } ANFD; |
679 | } ANFD; |
464 | |
680 | |
|
|
681 | /* stores the pending event set for a given watcher */ |
465 | typedef struct |
682 | typedef struct |
466 | { |
683 | { |
467 | W w; |
684 | W w; |
468 | int events; |
685 | int events; /* the pending event set for the given watcher */ |
469 | } ANPENDING; |
686 | } ANPENDING; |
470 | |
687 | |
471 | #if EV_USE_INOTIFY |
688 | #if EV_USE_INOTIFY |
472 | /* hash table entry per inotify-id */ |
689 | /* hash table entry per inotify-id */ |
473 | typedef struct |
690 | typedef struct |
… | |
… | |
476 | } ANFS; |
693 | } ANFS; |
477 | #endif |
694 | #endif |
478 | |
695 | |
479 | /* Heap Entry */ |
696 | /* Heap Entry */ |
480 | #if EV_HEAP_CACHE_AT |
697 | #if EV_HEAP_CACHE_AT |
|
|
698 | /* a heap element */ |
481 | typedef struct { |
699 | typedef struct { |
482 | ev_tstamp at; |
700 | ev_tstamp at; |
483 | WT w; |
701 | WT w; |
484 | } ANHE; |
702 | } ANHE; |
485 | |
703 | |
486 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
704 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
487 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
705 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
488 | #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 */ |
489 | #else |
707 | #else |
|
|
708 | /* a heap element */ |
490 | typedef WT ANHE; |
709 | typedef WT ANHE; |
491 | |
710 | |
492 | #define ANHE_w(he) (he) |
711 | #define ANHE_w(he) (he) |
493 | #define ANHE_at(he) (he)->at |
712 | #define ANHE_at(he) (he)->at |
494 | #define ANHE_at_cache(he) |
713 | #define ANHE_at_cache(he) |
… | |
… | |
518 | |
737 | |
519 | static int ev_default_loop_ptr; |
738 | static int ev_default_loop_ptr; |
520 | |
739 | |
521 | #endif |
740 | #endif |
522 | |
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 | |
523 | /*****************************************************************************/ |
754 | /*****************************************************************************/ |
524 | |
755 | |
|
|
756 | #ifndef EV_HAVE_EV_TIME |
525 | ev_tstamp |
757 | ev_tstamp |
526 | ev_time (void) |
758 | ev_time (void) |
527 | { |
759 | { |
528 | #if EV_USE_REALTIME |
760 | #if EV_USE_REALTIME |
|
|
761 | if (expect_true (have_realtime)) |
|
|
762 | { |
529 | struct timespec ts; |
763 | struct timespec ts; |
530 | clock_gettime (CLOCK_REALTIME, &ts); |
764 | clock_gettime (CLOCK_REALTIME, &ts); |
531 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
765 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
532 | #else |
766 | } |
|
|
767 | #endif |
|
|
768 | |
533 | struct timeval tv; |
769 | struct timeval tv; |
534 | gettimeofday (&tv, 0); |
770 | gettimeofday (&tv, 0); |
535 | return tv.tv_sec + tv.tv_usec * 1e-6; |
771 | return tv.tv_sec + tv.tv_usec * 1e-6; |
536 | #endif |
|
|
537 | } |
772 | } |
|
|
773 | #endif |
538 | |
774 | |
539 | ev_tstamp inline_size |
775 | inline_size ev_tstamp |
540 | get_clock (void) |
776 | get_clock (void) |
541 | { |
777 | { |
542 | #if EV_USE_MONOTONIC |
778 | #if EV_USE_MONOTONIC |
543 | if (expect_true (have_monotonic)) |
779 | if (expect_true (have_monotonic)) |
544 | { |
780 | { |
… | |
… | |
565 | if (delay > 0.) |
801 | if (delay > 0.) |
566 | { |
802 | { |
567 | #if EV_USE_NANOSLEEP |
803 | #if EV_USE_NANOSLEEP |
568 | struct timespec ts; |
804 | struct timespec ts; |
569 | |
805 | |
570 | ts.tv_sec = (time_t)delay; |
806 | EV_TS_SET (ts, delay); |
571 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
572 | |
|
|
573 | nanosleep (&ts, 0); |
807 | nanosleep (&ts, 0); |
574 | #elif defined(_WIN32) |
808 | #elif defined(_WIN32) |
575 | Sleep ((unsigned long)(delay * 1e3)); |
809 | Sleep ((unsigned long)(delay * 1e3)); |
576 | #else |
810 | #else |
577 | struct timeval tv; |
811 | struct timeval tv; |
578 | |
812 | |
579 | tv.tv_sec = (time_t)delay; |
|
|
580 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
581 | |
|
|
582 | /* 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 */ |
583 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
814 | /* something not guaranteed by newer posix versions, but guaranteed */ |
584 | /* by older ones */ |
815 | /* by older ones */ |
|
|
816 | EV_TV_SET (tv, delay); |
585 | select (0, 0, 0, 0, &tv); |
817 | select (0, 0, 0, 0, &tv); |
586 | #endif |
818 | #endif |
587 | } |
819 | } |
588 | } |
820 | } |
589 | |
821 | |
590 | /*****************************************************************************/ |
822 | /*****************************************************************************/ |
591 | |
823 | |
592 | #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 */ |
593 | |
825 | |
594 | 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 |
595 | array_nextsize (int elem, int cur, int cnt) |
829 | array_nextsize (int elem, int cur, int cnt) |
596 | { |
830 | { |
597 | int ncur = cur + 1; |
831 | int ncur = cur + 1; |
598 | |
832 | |
599 | do |
833 | do |
… | |
… | |
640 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
874 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
641 | } |
875 | } |
642 | #endif |
876 | #endif |
643 | |
877 | |
644 | #define array_free(stem, idx) \ |
878 | #define array_free(stem, idx) \ |
645 | 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 |
646 | |
880 | |
647 | /*****************************************************************************/ |
881 | /*****************************************************************************/ |
|
|
882 | |
|
|
883 | /* dummy callback for pending events */ |
|
|
884 | static void noinline |
|
|
885 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
886 | { |
|
|
887 | } |
648 | |
888 | |
649 | void noinline |
889 | void noinline |
650 | ev_feed_event (EV_P_ void *w, int revents) |
890 | ev_feed_event (EV_P_ void *w, int revents) |
651 | { |
891 | { |
652 | W w_ = (W)w; |
892 | W w_ = (W)w; |
… | |
… | |
661 | pendings [pri][w_->pending - 1].w = w_; |
901 | pendings [pri][w_->pending - 1].w = w_; |
662 | pendings [pri][w_->pending - 1].events = revents; |
902 | pendings [pri][w_->pending - 1].events = revents; |
663 | } |
903 | } |
664 | } |
904 | } |
665 | |
905 | |
666 | 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 |
667 | queue_events (EV_P_ W *events, int eventcnt, int type) |
922 | queue_events (EV_P_ W *events, int eventcnt, int type) |
668 | { |
923 | { |
669 | int i; |
924 | int i; |
670 | |
925 | |
671 | for (i = 0; i < eventcnt; ++i) |
926 | for (i = 0; i < eventcnt; ++i) |
672 | ev_feed_event (EV_A_ events [i], type); |
927 | ev_feed_event (EV_A_ events [i], type); |
673 | } |
928 | } |
674 | |
929 | |
675 | /*****************************************************************************/ |
930 | /*****************************************************************************/ |
676 | |
931 | |
677 | void inline_speed |
932 | inline_speed void |
678 | fd_event (EV_P_ int fd, int revents) |
933 | fd_event_nocheck (EV_P_ int fd, int revents) |
679 | { |
934 | { |
680 | ANFD *anfd = anfds + fd; |
935 | ANFD *anfd = anfds + fd; |
681 | ev_io *w; |
936 | ev_io *w; |
682 | |
937 | |
683 | 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) |
… | |
… | |
687 | if (ev) |
942 | if (ev) |
688 | ev_feed_event (EV_A_ (W)w, ev); |
943 | ev_feed_event (EV_A_ (W)w, ev); |
689 | } |
944 | } |
690 | } |
945 | } |
691 | |
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 | |
692 | void |
958 | void |
693 | ev_feed_fd_event (EV_P_ int fd, int revents) |
959 | ev_feed_fd_event (EV_P_ int fd, int revents) |
694 | { |
960 | { |
695 | if (fd >= 0 && fd < anfdmax) |
961 | if (fd >= 0 && fd < anfdmax) |
696 | fd_event (EV_A_ fd, revents); |
962 | fd_event_nocheck (EV_A_ fd, revents); |
697 | } |
963 | } |
698 | |
964 | |
699 | 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 |
700 | fd_reify (EV_P) |
968 | fd_reify (EV_P) |
701 | { |
969 | { |
702 | int i; |
970 | int i; |
703 | |
971 | |
704 | for (i = 0; i < fdchangecnt; ++i) |
972 | for (i = 0; i < fdchangecnt; ++i) |
705 | { |
973 | { |
706 | int fd = fdchanges [i]; |
974 | int fd = fdchanges [i]; |
707 | ANFD *anfd = anfds + fd; |
975 | ANFD *anfd = anfds + fd; |
708 | ev_io *w; |
976 | ev_io *w; |
709 | |
977 | |
710 | unsigned char events = 0; |
978 | unsigned char o_events = anfd->events; |
|
|
979 | unsigned char o_reify = anfd->reify; |
711 | |
980 | |
712 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
981 | anfd->reify = 0; |
713 | events |= (unsigned char)w->events; |
|
|
714 | |
982 | |
715 | #if EV_SELECT_IS_WINSOCKET |
983 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
716 | if (events) |
984 | if (o_reify & EV__IOFDSET) |
717 | { |
985 | { |
718 | unsigned long arg; |
986 | unsigned long arg; |
719 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
720 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
987 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
721 | #else |
|
|
722 | anfd->handle = _get_osfhandle (fd); |
|
|
723 | #endif |
|
|
724 | 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 |
725 | } |
990 | } |
726 | #endif |
991 | #endif |
727 | |
992 | |
|
|
993 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
728 | { |
994 | { |
729 | unsigned char o_events = anfd->events; |
|
|
730 | unsigned char o_reify = anfd->reify; |
|
|
731 | |
|
|
732 | anfd->reify = 0; |
|
|
733 | anfd->events = events; |
995 | anfd->events = 0; |
734 | |
996 | |
735 | 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) |
736 | backend_modify (EV_A_ fd, o_events, events); |
1005 | backend_modify (EV_A_ fd, o_events, anfd->events); |
737 | } |
|
|
738 | } |
1006 | } |
739 | |
1007 | |
740 | fdchangecnt = 0; |
1008 | fdchangecnt = 0; |
741 | } |
1009 | } |
742 | |
1010 | |
743 | void inline_size |
1011 | /* something about the given fd changed */ |
|
|
1012 | inline_size void |
744 | fd_change (EV_P_ int fd, int flags) |
1013 | fd_change (EV_P_ int fd, int flags) |
745 | { |
1014 | { |
746 | unsigned char reify = anfds [fd].reify; |
1015 | unsigned char reify = anfds [fd].reify; |
747 | anfds [fd].reify |= flags; |
1016 | anfds [fd].reify |= flags; |
748 | |
1017 | |
… | |
… | |
752 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
1021 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
753 | fdchanges [fdchangecnt - 1] = fd; |
1022 | fdchanges [fdchangecnt - 1] = fd; |
754 | } |
1023 | } |
755 | } |
1024 | } |
756 | |
1025 | |
757 | void inline_speed |
1026 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
1027 | inline_speed void |
758 | fd_kill (EV_P_ int fd) |
1028 | fd_kill (EV_P_ int fd) |
759 | { |
1029 | { |
760 | ev_io *w; |
1030 | ev_io *w; |
761 | |
1031 | |
762 | while ((w = (ev_io *)anfds [fd].head)) |
1032 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
764 | ev_io_stop (EV_A_ w); |
1034 | ev_io_stop (EV_A_ w); |
765 | 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); |
766 | } |
1036 | } |
767 | } |
1037 | } |
768 | |
1038 | |
769 | int inline_size |
1039 | /* check whether the given fd is actually valid, for error recovery */ |
|
|
1040 | inline_size int |
770 | fd_valid (int fd) |
1041 | fd_valid (int fd) |
771 | { |
1042 | { |
772 | #ifdef _WIN32 |
1043 | #ifdef _WIN32 |
773 | return _get_osfhandle (fd) != -1; |
1044 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
774 | #else |
1045 | #else |
775 | return fcntl (fd, F_GETFD) != -1; |
1046 | return fcntl (fd, F_GETFD) != -1; |
776 | #endif |
1047 | #endif |
777 | } |
1048 | } |
778 | |
1049 | |
… | |
… | |
796 | |
1067 | |
797 | for (fd = anfdmax; fd--; ) |
1068 | for (fd = anfdmax; fd--; ) |
798 | if (anfds [fd].events) |
1069 | if (anfds [fd].events) |
799 | { |
1070 | { |
800 | fd_kill (EV_A_ fd); |
1071 | fd_kill (EV_A_ fd); |
801 | return; |
1072 | break; |
802 | } |
1073 | } |
803 | } |
1074 | } |
804 | |
1075 | |
805 | /* 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 */ |
806 | static void noinline |
1077 | static void noinline |
… | |
… | |
811 | for (fd = 0; fd < anfdmax; ++fd) |
1082 | for (fd = 0; fd < anfdmax; ++fd) |
812 | if (anfds [fd].events) |
1083 | if (anfds [fd].events) |
813 | { |
1084 | { |
814 | anfds [fd].events = 0; |
1085 | anfds [fd].events = 0; |
815 | anfds [fd].emask = 0; |
1086 | anfds [fd].emask = 0; |
816 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
1087 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
817 | } |
1088 | } |
818 | } |
1089 | } |
819 | |
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 | |
820 | /*****************************************************************************/ |
1105 | /*****************************************************************************/ |
821 | |
1106 | |
822 | /* |
1107 | /* |
823 | * 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 |
824 | * 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 |
825 | * the branching factor of the d-tree. |
1110 | * the branching factor of the d-tree. |
826 | */ |
1111 | */ |
827 | |
1112 | |
828 | /* |
1113 | /* |
… | |
… | |
837 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
1122 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
838 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
1123 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
839 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
1124 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
840 | |
1125 | |
841 | /* away from the root */ |
1126 | /* away from the root */ |
842 | void inline_speed |
1127 | inline_speed void |
843 | downheap (ANHE *heap, int N, int k) |
1128 | downheap (ANHE *heap, int N, int k) |
844 | { |
1129 | { |
845 | ANHE he = heap [k]; |
1130 | ANHE he = heap [k]; |
846 | ANHE *E = heap + N + HEAP0; |
1131 | ANHE *E = heap + N + HEAP0; |
847 | |
1132 | |
… | |
… | |
887 | #define HEAP0 1 |
1172 | #define HEAP0 1 |
888 | #define HPARENT(k) ((k) >> 1) |
1173 | #define HPARENT(k) ((k) >> 1) |
889 | #define UPHEAP_DONE(p,k) (!(p)) |
1174 | #define UPHEAP_DONE(p,k) (!(p)) |
890 | |
1175 | |
891 | /* away from the root */ |
1176 | /* away from the root */ |
892 | void inline_speed |
1177 | inline_speed void |
893 | downheap (ANHE *heap, int N, int k) |
1178 | downheap (ANHE *heap, int N, int k) |
894 | { |
1179 | { |
895 | ANHE he = heap [k]; |
1180 | ANHE he = heap [k]; |
896 | |
1181 | |
897 | for (;;) |
1182 | for (;;) |
898 | { |
1183 | { |
899 | int c = k << 1; |
1184 | int c = k << 1; |
900 | |
1185 | |
901 | if (c > N + HEAP0 - 1) |
1186 | if (c >= N + HEAP0) |
902 | break; |
1187 | break; |
903 | |
1188 | |
904 | 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]) |
905 | ? 1 : 0; |
1190 | ? 1 : 0; |
906 | |
1191 | |
… | |
… | |
917 | ev_active (ANHE_w (he)) = k; |
1202 | ev_active (ANHE_w (he)) = k; |
918 | } |
1203 | } |
919 | #endif |
1204 | #endif |
920 | |
1205 | |
921 | /* towards the root */ |
1206 | /* towards the root */ |
922 | void inline_speed |
1207 | inline_speed void |
923 | upheap (ANHE *heap, int k) |
1208 | upheap (ANHE *heap, int k) |
924 | { |
1209 | { |
925 | ANHE he = heap [k]; |
1210 | ANHE he = heap [k]; |
926 | |
1211 | |
927 | for (;;) |
1212 | for (;;) |
… | |
… | |
938 | |
1223 | |
939 | heap [k] = he; |
1224 | heap [k] = he; |
940 | ev_active (ANHE_w (he)) = k; |
1225 | ev_active (ANHE_w (he)) = k; |
941 | } |
1226 | } |
942 | |
1227 | |
943 | void inline_size |
1228 | /* move an element suitably so it is in a correct place */ |
|
|
1229 | inline_size void |
944 | adjustheap (ANHE *heap, int N, int k) |
1230 | adjustheap (ANHE *heap, int N, int k) |
945 | { |
1231 | { |
946 | 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)])) |
947 | upheap (heap, k); |
1233 | upheap (heap, k); |
948 | else |
1234 | else |
949 | downheap (heap, N, k); |
1235 | downheap (heap, N, k); |
950 | } |
1236 | } |
951 | |
1237 | |
952 | /* 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 */ |
953 | void inline_size |
1239 | inline_size void |
954 | reheap (ANHE *heap, int N) |
1240 | reheap (ANHE *heap, int N) |
955 | { |
1241 | { |
956 | int i; |
1242 | int i; |
957 | |
1243 | |
958 | /* 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 */ |
… | |
… | |
961 | upheap (heap, i + HEAP0); |
1247 | upheap (heap, i + HEAP0); |
962 | } |
1248 | } |
963 | |
1249 | |
964 | /*****************************************************************************/ |
1250 | /*****************************************************************************/ |
965 | |
1251 | |
|
|
1252 | /* associate signal watchers to a signal signal */ |
966 | typedef struct |
1253 | typedef struct |
967 | { |
1254 | { |
|
|
1255 | EV_ATOMIC_T pending; |
|
|
1256 | #if EV_MULTIPLICITY |
|
|
1257 | EV_P; |
|
|
1258 | #endif |
968 | WL head; |
1259 | WL head; |
969 | EV_ATOMIC_T gotsig; |
|
|
970 | } ANSIG; |
1260 | } ANSIG; |
971 | |
1261 | |
972 | static ANSIG *signals; |
1262 | static ANSIG signals [EV_NSIG - 1]; |
973 | static int signalmax; |
|
|
974 | |
|
|
975 | static EV_ATOMIC_T gotsig; |
|
|
976 | |
1263 | |
977 | /*****************************************************************************/ |
1264 | /*****************************************************************************/ |
978 | |
1265 | |
979 | void inline_speed |
1266 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
980 | fd_intern (int fd) |
|
|
981 | { |
|
|
982 | #ifdef _WIN32 |
|
|
983 | unsigned long arg = 1; |
|
|
984 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
985 | #else |
|
|
986 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
987 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
988 | #endif |
|
|
989 | } |
|
|
990 | |
1267 | |
991 | static void noinline |
1268 | static void noinline |
992 | evpipe_init (EV_P) |
1269 | evpipe_init (EV_P) |
993 | { |
1270 | { |
994 | if (!ev_is_active (&pipeev)) |
1271 | if (!ev_is_active (&pipe_w)) |
995 | { |
1272 | { |
996 | #if EV_USE_EVENTFD |
1273 | # if EV_USE_EVENTFD |
|
|
1274 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1275 | if (evfd < 0 && errno == EINVAL) |
997 | if ((evfd = eventfd (0, 0)) >= 0) |
1276 | evfd = eventfd (0, 0); |
|
|
1277 | |
|
|
1278 | if (evfd >= 0) |
998 | { |
1279 | { |
999 | evpipe [0] = -1; |
1280 | evpipe [0] = -1; |
1000 | fd_intern (evfd); |
1281 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1001 | ev_io_set (&pipeev, evfd, EV_READ); |
1282 | ev_io_set (&pipe_w, evfd, EV_READ); |
1002 | } |
1283 | } |
1003 | else |
1284 | else |
1004 | #endif |
1285 | # endif |
1005 | { |
1286 | { |
1006 | while (pipe (evpipe)) |
1287 | while (pipe (evpipe)) |
1007 | ev_syserr ("(libev) error creating signal/async pipe"); |
1288 | ev_syserr ("(libev) error creating signal/async pipe"); |
1008 | |
1289 | |
1009 | fd_intern (evpipe [0]); |
1290 | fd_intern (evpipe [0]); |
1010 | fd_intern (evpipe [1]); |
1291 | fd_intern (evpipe [1]); |
1011 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1292 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
1012 | } |
1293 | } |
1013 | |
1294 | |
1014 | ev_io_start (EV_A_ &pipeev); |
1295 | ev_io_start (EV_A_ &pipe_w); |
1015 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1296 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1016 | } |
1297 | } |
1017 | } |
1298 | } |
1018 | |
1299 | |
1019 | void inline_size |
1300 | inline_size void |
1020 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1301 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1021 | { |
1302 | { |
1022 | if (!*flag) |
1303 | if (!*flag) |
1023 | { |
1304 | { |
1024 | 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; |
1025 | |
1307 | |
1026 | *flag = 1; |
1308 | *flag = 1; |
1027 | |
1309 | |
1028 | #if EV_USE_EVENTFD |
1310 | #if EV_USE_EVENTFD |
1029 | if (evfd >= 0) |
1311 | if (evfd >= 0) |
… | |
… | |
1031 | uint64_t counter = 1; |
1313 | uint64_t counter = 1; |
1032 | write (evfd, &counter, sizeof (uint64_t)); |
1314 | write (evfd, &counter, sizeof (uint64_t)); |
1033 | } |
1315 | } |
1034 | else |
1316 | else |
1035 | #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. */ |
1036 | write (evpipe [1], &old_errno, 1); |
1323 | write (evpipe [1], &dummy, 1); |
1037 | |
1324 | |
1038 | errno = old_errno; |
1325 | errno = old_errno; |
1039 | } |
1326 | } |
1040 | } |
1327 | } |
1041 | |
1328 | |
|
|
1329 | /* called whenever the libev signal pipe */ |
|
|
1330 | /* got some events (signal, async) */ |
1042 | static void |
1331 | static void |
1043 | pipecb (EV_P_ ev_io *iow, int revents) |
1332 | pipecb (EV_P_ ev_io *iow, int revents) |
1044 | { |
1333 | { |
|
|
1334 | int i; |
|
|
1335 | |
1045 | #if EV_USE_EVENTFD |
1336 | #if EV_USE_EVENTFD |
1046 | if (evfd >= 0) |
1337 | if (evfd >= 0) |
1047 | { |
1338 | { |
1048 | uint64_t counter; |
1339 | uint64_t counter; |
1049 | read (evfd, &counter, sizeof (uint64_t)); |
1340 | read (evfd, &counter, sizeof (uint64_t)); |
1050 | } |
1341 | } |
1051 | else |
1342 | else |
1052 | #endif |
1343 | #endif |
1053 | { |
1344 | { |
1054 | char dummy; |
1345 | char dummy; |
|
|
1346 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1055 | read (evpipe [0], &dummy, 1); |
1347 | read (evpipe [0], &dummy, 1); |
1056 | } |
1348 | } |
1057 | |
1349 | |
1058 | if (gotsig && ev_is_default_loop (EV_A)) |
1350 | if (sig_pending) |
1059 | { |
1351 | { |
1060 | int signum; |
1352 | sig_pending = 0; |
1061 | gotsig = 0; |
|
|
1062 | |
1353 | |
1063 | for (signum = signalmax; signum--; ) |
1354 | for (i = EV_NSIG - 1; i--; ) |
1064 | if (signals [signum].gotsig) |
1355 | if (expect_false (signals [i].pending)) |
1065 | ev_feed_signal_event (EV_A_ signum + 1); |
1356 | ev_feed_signal_event (EV_A_ i + 1); |
1066 | } |
1357 | } |
1067 | |
1358 | |
1068 | #if EV_ASYNC_ENABLE |
1359 | #if EV_ASYNC_ENABLE |
1069 | if (gotasync) |
1360 | if (async_pending) |
1070 | { |
1361 | { |
1071 | int i; |
1362 | async_pending = 0; |
1072 | gotasync = 0; |
|
|
1073 | |
1363 | |
1074 | for (i = asynccnt; i--; ) |
1364 | for (i = asynccnt; i--; ) |
1075 | if (asyncs [i]->sent) |
1365 | if (asyncs [i]->sent) |
1076 | { |
1366 | { |
1077 | asyncs [i]->sent = 0; |
1367 | asyncs [i]->sent = 0; |
… | |
… | |
1085 | |
1375 | |
1086 | static void |
1376 | static void |
1087 | ev_sighandler (int signum) |
1377 | ev_sighandler (int signum) |
1088 | { |
1378 | { |
1089 | #if EV_MULTIPLICITY |
1379 | #if EV_MULTIPLICITY |
1090 | struct ev_loop *loop = &default_loop_struct; |
1380 | EV_P = signals [signum - 1].loop; |
1091 | #endif |
1381 | #endif |
1092 | |
1382 | |
1093 | #if _WIN32 |
1383 | #ifdef _WIN32 |
1094 | signal (signum, ev_sighandler); |
1384 | signal (signum, ev_sighandler); |
1095 | #endif |
1385 | #endif |
1096 | |
1386 | |
1097 | signals [signum - 1].gotsig = 1; |
1387 | signals [signum - 1].pending = 1; |
1098 | evpipe_write (EV_A_ &gotsig); |
1388 | evpipe_write (EV_A_ &sig_pending); |
1099 | } |
1389 | } |
1100 | |
1390 | |
1101 | void noinline |
1391 | void noinline |
1102 | ev_feed_signal_event (EV_P_ int signum) |
1392 | ev_feed_signal_event (EV_P_ int signum) |
1103 | { |
1393 | { |
1104 | WL w; |
1394 | WL w; |
1105 | |
1395 | |
|
|
1396 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1397 | return; |
|
|
1398 | |
|
|
1399 | --signum; |
|
|
1400 | |
1106 | #if EV_MULTIPLICITY |
1401 | #if EV_MULTIPLICITY |
1107 | 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 */ |
1108 | #endif |
1403 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1109 | |
1404 | |
1110 | --signum; |
1405 | if (expect_false (signals [signum].loop != EV_A)) |
1111 | |
|
|
1112 | if (signum < 0 || signum >= signalmax) |
|
|
1113 | return; |
1406 | return; |
|
|
1407 | #endif |
1114 | |
1408 | |
1115 | signals [signum].gotsig = 0; |
1409 | signals [signum].pending = 0; |
1116 | |
1410 | |
1117 | for (w = signals [signum].head; w; w = w->next) |
1411 | for (w = signals [signum].head; w; w = w->next) |
1118 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1412 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1119 | } |
1413 | } |
1120 | |
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 | |
1121 | /*****************************************************************************/ |
1437 | /*****************************************************************************/ |
1122 | |
1438 | |
|
|
1439 | #if EV_CHILD_ENABLE |
1123 | static WL childs [EV_PID_HASHSIZE]; |
1440 | static WL childs [EV_PID_HASHSIZE]; |
1124 | |
|
|
1125 | #ifndef _WIN32 |
|
|
1126 | |
1441 | |
1127 | static ev_signal childev; |
1442 | static ev_signal childev; |
1128 | |
1443 | |
1129 | #ifndef WIFCONTINUED |
1444 | #ifndef WIFCONTINUED |
1130 | # define WIFCONTINUED(status) 0 |
1445 | # define WIFCONTINUED(status) 0 |
1131 | #endif |
1446 | #endif |
1132 | |
1447 | |
1133 | void inline_speed |
1448 | /* handle a single child status event */ |
|
|
1449 | inline_speed void |
1134 | child_reap (EV_P_ int chain, int pid, int status) |
1450 | child_reap (EV_P_ int chain, int pid, int status) |
1135 | { |
1451 | { |
1136 | ev_child *w; |
1452 | ev_child *w; |
1137 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1453 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1138 | |
1454 | |
1139 | 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) |
1140 | { |
1456 | { |
1141 | if ((w->pid == pid || !w->pid) |
1457 | if ((w->pid == pid || !w->pid) |
1142 | && (!traced || (w->flags & 1))) |
1458 | && (!traced || (w->flags & 1))) |
1143 | { |
1459 | { |
1144 | 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 */ |
… | |
… | |
1151 | |
1467 | |
1152 | #ifndef WCONTINUED |
1468 | #ifndef WCONTINUED |
1153 | # define WCONTINUED 0 |
1469 | # define WCONTINUED 0 |
1154 | #endif |
1470 | #endif |
1155 | |
1471 | |
|
|
1472 | /* called on sigchld etc., calls waitpid */ |
1156 | static void |
1473 | static void |
1157 | childcb (EV_P_ ev_signal *sw, int revents) |
1474 | childcb (EV_P_ ev_signal *sw, int revents) |
1158 | { |
1475 | { |
1159 | int pid, status; |
1476 | int pid, status; |
1160 | |
1477 | |
… | |
… | |
1168 | /* 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 */ |
1169 | /* 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 */ |
1170 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1487 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1171 | |
1488 | |
1172 | child_reap (EV_A_ pid, pid, status); |
1489 | child_reap (EV_A_ pid, pid, status); |
1173 | if (EV_PID_HASHSIZE > 1) |
1490 | if ((EV_PID_HASHSIZE) > 1) |
1174 | 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 */ |
1175 | } |
1492 | } |
1176 | |
1493 | |
1177 | #endif |
1494 | #endif |
1178 | |
1495 | |
1179 | /*****************************************************************************/ |
1496 | /*****************************************************************************/ |
1180 | |
1497 | |
|
|
1498 | #if EV_USE_IOCP |
|
|
1499 | # include "ev_iocp.c" |
|
|
1500 | #endif |
1181 | #if EV_USE_PORT |
1501 | #if EV_USE_PORT |
1182 | # include "ev_port.c" |
1502 | # include "ev_port.c" |
1183 | #endif |
1503 | #endif |
1184 | #if EV_USE_KQUEUE |
1504 | #if EV_USE_KQUEUE |
1185 | # include "ev_kqueue.c" |
1505 | # include "ev_kqueue.c" |
… | |
… | |
1241 | /* kqueue is borked on everything but netbsd apparently */ |
1561 | /* kqueue is borked on everything but netbsd apparently */ |
1242 | /* 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 */ |
1243 | flags &= ~EVBACKEND_KQUEUE; |
1563 | flags &= ~EVBACKEND_KQUEUE; |
1244 | #endif |
1564 | #endif |
1245 | #ifdef __APPLE__ |
1565 | #ifdef __APPLE__ |
1246 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1566 | /* only select works correctly on that "unix-certified" platform */ |
1247 | 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) */ |
1248 | #endif |
1572 | #endif |
1249 | |
1573 | |
1250 | return flags; |
1574 | return flags; |
1251 | } |
1575 | } |
1252 | |
1576 | |
… | |
… | |
1254 | ev_embeddable_backends (void) |
1578 | ev_embeddable_backends (void) |
1255 | { |
1579 | { |
1256 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1580 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1257 | |
1581 | |
1258 | /* 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 */ |
1259 | /* please fix it and tell me how to detect the fix */ |
1583 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1260 | flags &= ~EVBACKEND_EPOLL; |
1584 | flags &= ~EVBACKEND_EPOLL; |
1261 | |
1585 | |
1262 | return flags; |
1586 | return flags; |
1263 | } |
1587 | } |
1264 | |
1588 | |
1265 | unsigned int |
1589 | unsigned int |
1266 | ev_backend (EV_P) |
1590 | ev_backend (EV_P) |
1267 | { |
1591 | { |
1268 | return backend; |
1592 | return backend; |
1269 | } |
1593 | } |
1270 | |
1594 | |
|
|
1595 | #if EV_FEATURE_API |
1271 | unsigned int |
1596 | unsigned int |
1272 | ev_loop_count (EV_P) |
1597 | ev_iteration (EV_P) |
1273 | { |
1598 | { |
1274 | return loop_count; |
1599 | return loop_count; |
|
|
1600 | } |
|
|
1601 | |
|
|
1602 | unsigned int |
|
|
1603 | ev_depth (EV_P) |
|
|
1604 | { |
|
|
1605 | return loop_depth; |
1275 | } |
1606 | } |
1276 | |
1607 | |
1277 | void |
1608 | void |
1278 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1609 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1279 | { |
1610 | { |
… | |
… | |
1284 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1615 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1285 | { |
1616 | { |
1286 | timeout_blocktime = interval; |
1617 | timeout_blocktime = interval; |
1287 | } |
1618 | } |
1288 | |
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 */ |
1289 | static void noinline |
1645 | static void noinline |
1290 | loop_init (EV_P_ unsigned int flags) |
1646 | loop_init (EV_P_ unsigned int flags) |
1291 | { |
1647 | { |
1292 | if (!backend) |
1648 | if (!backend) |
1293 | { |
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 | |
1294 | #if EV_USE_MONOTONIC |
1660 | #if EV_USE_MONOTONIC |
|
|
1661 | if (!have_monotonic) |
1295 | { |
1662 | { |
1296 | struct timespec ts; |
1663 | struct timespec ts; |
|
|
1664 | |
1297 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1665 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1298 | have_monotonic = 1; |
1666 | have_monotonic = 1; |
1299 | } |
1667 | } |
1300 | #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")); |
1301 | |
1680 | |
1302 | ev_rt_now = ev_time (); |
1681 | ev_rt_now = ev_time (); |
1303 | mn_now = get_clock (); |
1682 | mn_now = get_clock (); |
1304 | now_floor = mn_now; |
1683 | now_floor = mn_now; |
1305 | 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 |
1306 | |
1688 | |
1307 | io_blocktime = 0.; |
1689 | io_blocktime = 0.; |
1308 | timeout_blocktime = 0.; |
1690 | timeout_blocktime = 0.; |
1309 | backend = 0; |
1691 | backend = 0; |
1310 | backend_fd = -1; |
1692 | backend_fd = -1; |
1311 | gotasync = 0; |
1693 | sig_pending = 0; |
|
|
1694 | #if EV_ASYNC_ENABLE |
|
|
1695 | async_pending = 0; |
|
|
1696 | #endif |
1312 | #if EV_USE_INOTIFY |
1697 | #if EV_USE_INOTIFY |
1313 | fs_fd = -2; |
1698 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1314 | #endif |
1699 | #endif |
1315 | |
1700 | #if EV_USE_SIGNALFD |
1316 | /* pid check not overridable via env */ |
1701 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1317 | #ifndef _WIN32 |
|
|
1318 | if (flags & EVFLAG_FORKCHECK) |
|
|
1319 | curpid = getpid (); |
|
|
1320 | #endif |
1702 | #endif |
1321 | |
|
|
1322 | if (!(flags & EVFLAG_NOENV) |
|
|
1323 | && !enable_secure () |
|
|
1324 | && getenv ("LIBEV_FLAGS")) |
|
|
1325 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1326 | |
1703 | |
1327 | if (!(flags & 0x0000ffffU)) |
1704 | if (!(flags & 0x0000ffffU)) |
1328 | flags |= ev_recommended_backends (); |
1705 | flags |= ev_recommended_backends (); |
1329 | |
1706 | |
|
|
1707 | #if EV_USE_IOCP |
|
|
1708 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1709 | #endif |
1330 | #if EV_USE_PORT |
1710 | #if EV_USE_PORT |
1331 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1711 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1332 | #endif |
1712 | #endif |
1333 | #if EV_USE_KQUEUE |
1713 | #if EV_USE_KQUEUE |
1334 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1714 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1341 | #endif |
1721 | #endif |
1342 | #if EV_USE_SELECT |
1722 | #if EV_USE_SELECT |
1343 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1723 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1344 | #endif |
1724 | #endif |
1345 | |
1725 | |
|
|
1726 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1727 | |
|
|
1728 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1346 | ev_init (&pipeev, pipecb); |
1729 | ev_init (&pipe_w, pipecb); |
1347 | ev_set_priority (&pipeev, EV_MAXPRI); |
1730 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1731 | #endif |
1348 | } |
1732 | } |
1349 | } |
1733 | } |
1350 | |
1734 | |
1351 | static void noinline |
1735 | /* free up a loop structure */ |
|
|
1736 | void |
1352 | loop_destroy (EV_P) |
1737 | ev_loop_destroy (EV_P) |
1353 | { |
1738 | { |
1354 | int i; |
1739 | int i; |
1355 | |
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 | |
1356 | if (ev_is_active (&pipeev)) |
1749 | if (ev_is_active (&pipe_w)) |
1357 | { |
1750 | { |
1358 | ev_ref (EV_A); /* signal watcher */ |
1751 | /*ev_ref (EV_A);*/ |
1359 | ev_io_stop (EV_A_ &pipeev); |
1752 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1360 | |
1753 | |
1361 | #if EV_USE_EVENTFD |
1754 | #if EV_USE_EVENTFD |
1362 | if (evfd >= 0) |
1755 | if (evfd >= 0) |
1363 | close (evfd); |
1756 | close (evfd); |
1364 | #endif |
1757 | #endif |
1365 | |
1758 | |
1366 | if (evpipe [0] >= 0) |
1759 | if (evpipe [0] >= 0) |
1367 | { |
1760 | { |
1368 | close (evpipe [0]); |
1761 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1369 | close (evpipe [1]); |
1762 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1370 | } |
1763 | } |
1371 | } |
1764 | } |
|
|
1765 | |
|
|
1766 | #if EV_USE_SIGNALFD |
|
|
1767 | if (ev_is_active (&sigfd_w)) |
|
|
1768 | close (sigfd); |
|
|
1769 | #endif |
1372 | |
1770 | |
1373 | #if EV_USE_INOTIFY |
1771 | #if EV_USE_INOTIFY |
1374 | if (fs_fd >= 0) |
1772 | if (fs_fd >= 0) |
1375 | close (fs_fd); |
1773 | close (fs_fd); |
1376 | #endif |
1774 | #endif |
1377 | |
1775 | |
1378 | if (backend_fd >= 0) |
1776 | if (backend_fd >= 0) |
1379 | close (backend_fd); |
1777 | close (backend_fd); |
1380 | |
1778 | |
|
|
1779 | #if EV_USE_IOCP |
|
|
1780 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1781 | #endif |
1381 | #if EV_USE_PORT |
1782 | #if EV_USE_PORT |
1382 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1783 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1383 | #endif |
1784 | #endif |
1384 | #if EV_USE_KQUEUE |
1785 | #if EV_USE_KQUEUE |
1385 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1786 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1400 | #if EV_IDLE_ENABLE |
1801 | #if EV_IDLE_ENABLE |
1401 | array_free (idle, [i]); |
1802 | array_free (idle, [i]); |
1402 | #endif |
1803 | #endif |
1403 | } |
1804 | } |
1404 | |
1805 | |
1405 | ev_free (anfds); anfdmax = 0; |
1806 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1406 | |
1807 | |
1407 | /* 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); |
1408 | array_free (fdchange, EMPTY); |
1810 | array_free (fdchange, EMPTY); |
1409 | array_free (timer, EMPTY); |
1811 | array_free (timer, EMPTY); |
1410 | #if EV_PERIODIC_ENABLE |
1812 | #if EV_PERIODIC_ENABLE |
1411 | array_free (periodic, EMPTY); |
1813 | array_free (periodic, EMPTY); |
1412 | #endif |
1814 | #endif |
… | |
… | |
1418 | #if EV_ASYNC_ENABLE |
1820 | #if EV_ASYNC_ENABLE |
1419 | array_free (async, EMPTY); |
1821 | array_free (async, EMPTY); |
1420 | #endif |
1822 | #endif |
1421 | |
1823 | |
1422 | backend = 0; |
1824 | backend = 0; |
|
|
1825 | |
|
|
1826 | #if EV_MULTIPLICITY |
|
|
1827 | if (ev_is_default_loop (EV_A)) |
|
|
1828 | #endif |
|
|
1829 | ev_default_loop_ptr = 0; |
|
|
1830 | #if EV_MULTIPLICITY |
|
|
1831 | else |
|
|
1832 | ev_free (EV_A); |
|
|
1833 | #endif |
1423 | } |
1834 | } |
1424 | |
1835 | |
1425 | #if EV_USE_INOTIFY |
1836 | #if EV_USE_INOTIFY |
1426 | void inline_size infy_fork (EV_P); |
1837 | inline_size void infy_fork (EV_P); |
1427 | #endif |
1838 | #endif |
1428 | |
1839 | |
1429 | void inline_size |
1840 | inline_size void |
1430 | loop_fork (EV_P) |
1841 | loop_fork (EV_P) |
1431 | { |
1842 | { |
1432 | #if EV_USE_PORT |
1843 | #if EV_USE_PORT |
1433 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1844 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1434 | #endif |
1845 | #endif |
… | |
… | |
1440 | #endif |
1851 | #endif |
1441 | #if EV_USE_INOTIFY |
1852 | #if EV_USE_INOTIFY |
1442 | infy_fork (EV_A); |
1853 | infy_fork (EV_A); |
1443 | #endif |
1854 | #endif |
1444 | |
1855 | |
1445 | if (ev_is_active (&pipeev)) |
1856 | if (ev_is_active (&pipe_w)) |
1446 | { |
1857 | { |
1447 | /* this "locks" the handlers against writing to the pipe */ |
1858 | /* this "locks" the handlers against writing to the pipe */ |
1448 | /* while we modify the fd vars */ |
1859 | /* while we modify the fd vars */ |
1449 | gotsig = 1; |
1860 | sig_pending = 1; |
1450 | #if EV_ASYNC_ENABLE |
1861 | #if EV_ASYNC_ENABLE |
1451 | gotasync = 1; |
1862 | async_pending = 1; |
1452 | #endif |
1863 | #endif |
1453 | |
1864 | |
1454 | ev_ref (EV_A); |
1865 | ev_ref (EV_A); |
1455 | ev_io_stop (EV_A_ &pipeev); |
1866 | ev_io_stop (EV_A_ &pipe_w); |
1456 | |
1867 | |
1457 | #if EV_USE_EVENTFD |
1868 | #if EV_USE_EVENTFD |
1458 | if (evfd >= 0) |
1869 | if (evfd >= 0) |
1459 | close (evfd); |
1870 | close (evfd); |
1460 | #endif |
1871 | #endif |
1461 | |
1872 | |
1462 | if (evpipe [0] >= 0) |
1873 | if (evpipe [0] >= 0) |
1463 | { |
1874 | { |
1464 | close (evpipe [0]); |
1875 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1465 | close (evpipe [1]); |
1876 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1466 | } |
1877 | } |
1467 | |
1878 | |
|
|
1879 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1468 | evpipe_init (EV_A); |
1880 | evpipe_init (EV_A); |
1469 | /* now iterate over everything, in case we missed something */ |
1881 | /* now iterate over everything, in case we missed something */ |
1470 | pipecb (EV_A_ &pipeev, EV_READ); |
1882 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1883 | #endif |
1471 | } |
1884 | } |
1472 | |
1885 | |
1473 | postfork = 0; |
1886 | postfork = 0; |
1474 | } |
1887 | } |
1475 | |
1888 | |
1476 | #if EV_MULTIPLICITY |
1889 | #if EV_MULTIPLICITY |
1477 | |
1890 | |
1478 | struct ev_loop * |
1891 | struct ev_loop * |
1479 | ev_loop_new (unsigned int flags) |
1892 | ev_loop_new (unsigned int flags) |
1480 | { |
1893 | { |
1481 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1894 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1482 | |
1895 | |
1483 | memset (loop, 0, sizeof (struct ev_loop)); |
1896 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1484 | |
|
|
1485 | loop_init (EV_A_ flags); |
1897 | loop_init (EV_A_ flags); |
1486 | |
1898 | |
1487 | if (ev_backend (EV_A)) |
1899 | if (ev_backend (EV_A)) |
1488 | return loop; |
1900 | return EV_A; |
1489 | |
1901 | |
|
|
1902 | ev_free (EV_A); |
1490 | return 0; |
1903 | return 0; |
1491 | } |
1904 | } |
1492 | |
1905 | |
1493 | void |
1906 | #endif /* multiplicity */ |
1494 | ev_loop_destroy (EV_P) |
|
|
1495 | { |
|
|
1496 | loop_destroy (EV_A); |
|
|
1497 | ev_free (loop); |
|
|
1498 | } |
|
|
1499 | |
|
|
1500 | void |
|
|
1501 | ev_loop_fork (EV_P) |
|
|
1502 | { |
|
|
1503 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1504 | } |
|
|
1505 | |
1907 | |
1506 | #if EV_VERIFY |
1908 | #if EV_VERIFY |
1507 | static void noinline |
1909 | static void noinline |
1508 | verify_watcher (EV_P_ W w) |
1910 | verify_watcher (EV_P_ W w) |
1509 | { |
1911 | { |
1510 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1912 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1511 | |
1913 | |
1512 | if (w->pending) |
1914 | if (w->pending) |
1513 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1915 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1514 | } |
1916 | } |
1515 | |
1917 | |
1516 | static void noinline |
1918 | static void noinline |
1517 | verify_heap (EV_P_ ANHE *heap, int N) |
1919 | verify_heap (EV_P_ ANHE *heap, int N) |
1518 | { |
1920 | { |
1519 | int i; |
1921 | int i; |
1520 | |
1922 | |
1521 | for (i = HEAP0; i < N + HEAP0; ++i) |
1923 | for (i = HEAP0; i < N + HEAP0; ++i) |
1522 | { |
1924 | { |
1523 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1925 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1524 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1926 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1525 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1927 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1526 | |
1928 | |
1527 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1929 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1528 | } |
1930 | } |
1529 | } |
1931 | } |
1530 | |
1932 | |
1531 | static void noinline |
1933 | static void noinline |
1532 | array_verify (EV_P_ W *ws, int cnt) |
1934 | array_verify (EV_P_ W *ws, int cnt) |
1533 | { |
1935 | { |
1534 | while (cnt--) |
1936 | while (cnt--) |
1535 | { |
1937 | { |
1536 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1938 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1537 | verify_watcher (EV_A_ ws [cnt]); |
1939 | verify_watcher (EV_A_ ws [cnt]); |
1538 | } |
1940 | } |
1539 | } |
1941 | } |
1540 | #endif |
1942 | #endif |
1541 | |
1943 | |
|
|
1944 | #if EV_FEATURE_API |
1542 | void |
1945 | void |
1543 | ev_loop_verify (EV_P) |
1946 | ev_verify (EV_P) |
1544 | { |
1947 | { |
1545 | #if EV_VERIFY |
1948 | #if EV_VERIFY |
1546 | int i; |
1949 | int i; |
1547 | WL w; |
1950 | WL w; |
1548 | |
1951 | |
1549 | assert (activecnt >= -1); |
1952 | assert (activecnt >= -1); |
1550 | |
1953 | |
1551 | assert (fdchangemax >= fdchangecnt); |
1954 | assert (fdchangemax >= fdchangecnt); |
1552 | for (i = 0; i < fdchangecnt; ++i) |
1955 | for (i = 0; i < fdchangecnt; ++i) |
1553 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
1956 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1554 | |
1957 | |
1555 | assert (anfdmax >= 0); |
1958 | assert (anfdmax >= 0); |
1556 | for (i = 0; i < anfdmax; ++i) |
1959 | for (i = 0; i < anfdmax; ++i) |
1557 | for (w = anfds [i].head; w; w = w->next) |
1960 | for (w = anfds [i].head; w; w = w->next) |
1558 | { |
1961 | { |
1559 | verify_watcher (EV_A_ (W)w); |
1962 | verify_watcher (EV_A_ (W)w); |
1560 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
1963 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
1561 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1964 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1562 | } |
1965 | } |
1563 | |
1966 | |
1564 | assert (timermax >= timercnt); |
1967 | assert (timermax >= timercnt); |
1565 | verify_heap (EV_A_ timers, timercnt); |
1968 | verify_heap (EV_A_ timers, timercnt); |
1566 | |
1969 | |
… | |
… | |
1587 | #if EV_ASYNC_ENABLE |
1990 | #if EV_ASYNC_ENABLE |
1588 | assert (asyncmax >= asynccnt); |
1991 | assert (asyncmax >= asynccnt); |
1589 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1992 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1590 | #endif |
1993 | #endif |
1591 | |
1994 | |
|
|
1995 | #if EV_PREPARE_ENABLE |
1592 | assert (preparemax >= preparecnt); |
1996 | assert (preparemax >= preparecnt); |
1593 | array_verify (EV_A_ (W *)prepares, preparecnt); |
1997 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1998 | #endif |
1594 | |
1999 | |
|
|
2000 | #if EV_CHECK_ENABLE |
1595 | assert (checkmax >= checkcnt); |
2001 | assert (checkmax >= checkcnt); |
1596 | array_verify (EV_A_ (W *)checks, checkcnt); |
2002 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2003 | #endif |
1597 | |
2004 | |
1598 | # if 0 |
2005 | # if 0 |
|
|
2006 | #if EV_CHILD_ENABLE |
1599 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2007 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1600 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
2008 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2009 | #endif |
1601 | # endif |
2010 | # endif |
1602 | #endif |
2011 | #endif |
1603 | } |
2012 | } |
1604 | |
2013 | #endif |
1605 | #endif /* multiplicity */ |
|
|
1606 | |
2014 | |
1607 | #if EV_MULTIPLICITY |
2015 | #if EV_MULTIPLICITY |
1608 | struct ev_loop * |
2016 | struct ev_loop * |
1609 | ev_default_loop_init (unsigned int flags) |
|
|
1610 | #else |
2017 | #else |
1611 | int |
2018 | int |
|
|
2019 | #endif |
1612 | ev_default_loop (unsigned int flags) |
2020 | ev_default_loop (unsigned int flags) |
1613 | #endif |
|
|
1614 | { |
2021 | { |
1615 | if (!ev_default_loop_ptr) |
2022 | if (!ev_default_loop_ptr) |
1616 | { |
2023 | { |
1617 | #if EV_MULTIPLICITY |
2024 | #if EV_MULTIPLICITY |
1618 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
2025 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1619 | #else |
2026 | #else |
1620 | ev_default_loop_ptr = 1; |
2027 | ev_default_loop_ptr = 1; |
1621 | #endif |
2028 | #endif |
1622 | |
2029 | |
1623 | loop_init (EV_A_ flags); |
2030 | loop_init (EV_A_ flags); |
1624 | |
2031 | |
1625 | if (ev_backend (EV_A)) |
2032 | if (ev_backend (EV_A)) |
1626 | { |
2033 | { |
1627 | #ifndef _WIN32 |
2034 | #if EV_CHILD_ENABLE |
1628 | ev_signal_init (&childev, childcb, SIGCHLD); |
2035 | ev_signal_init (&childev, childcb, SIGCHLD); |
1629 | ev_set_priority (&childev, EV_MAXPRI); |
2036 | ev_set_priority (&childev, EV_MAXPRI); |
1630 | ev_signal_start (EV_A_ &childev); |
2037 | ev_signal_start (EV_A_ &childev); |
1631 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2038 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1632 | #endif |
2039 | #endif |
… | |
… | |
1637 | |
2044 | |
1638 | return ev_default_loop_ptr; |
2045 | return ev_default_loop_ptr; |
1639 | } |
2046 | } |
1640 | |
2047 | |
1641 | void |
2048 | void |
1642 | ev_default_destroy (void) |
2049 | ev_loop_fork (EV_P) |
1643 | { |
2050 | { |
1644 | #if EV_MULTIPLICITY |
|
|
1645 | struct ev_loop *loop = ev_default_loop_ptr; |
|
|
1646 | #endif |
|
|
1647 | |
|
|
1648 | ev_default_loop_ptr = 0; |
|
|
1649 | |
|
|
1650 | #ifndef _WIN32 |
|
|
1651 | ev_ref (EV_A); /* child watcher */ |
|
|
1652 | ev_signal_stop (EV_A_ &childev); |
|
|
1653 | #endif |
|
|
1654 | |
|
|
1655 | loop_destroy (EV_A); |
|
|
1656 | } |
|
|
1657 | |
|
|
1658 | void |
|
|
1659 | ev_default_fork (void) |
|
|
1660 | { |
|
|
1661 | #if EV_MULTIPLICITY |
|
|
1662 | struct ev_loop *loop = ev_default_loop_ptr; |
|
|
1663 | #endif |
|
|
1664 | |
|
|
1665 | postfork = 1; /* must be in line with ev_loop_fork */ |
2051 | postfork = 1; /* must be in line with ev_default_fork */ |
1666 | } |
2052 | } |
1667 | |
2053 | |
1668 | /*****************************************************************************/ |
2054 | /*****************************************************************************/ |
1669 | |
2055 | |
1670 | void |
2056 | void |
1671 | ev_invoke (EV_P_ void *w, int revents) |
2057 | ev_invoke (EV_P_ void *w, int revents) |
1672 | { |
2058 | { |
1673 | EV_CB_INVOKE ((W)w, revents); |
2059 | EV_CB_INVOKE ((W)w, revents); |
1674 | } |
2060 | } |
1675 | |
2061 | |
1676 | void inline_speed |
2062 | unsigned int |
1677 | call_pending (EV_P) |
2063 | ev_pending_count (EV_P) |
|
|
2064 | { |
|
|
2065 | int pri; |
|
|
2066 | unsigned int count = 0; |
|
|
2067 | |
|
|
2068 | for (pri = NUMPRI; pri--; ) |
|
|
2069 | count += pendingcnt [pri]; |
|
|
2070 | |
|
|
2071 | return count; |
|
|
2072 | } |
|
|
2073 | |
|
|
2074 | void noinline |
|
|
2075 | ev_invoke_pending (EV_P) |
1678 | { |
2076 | { |
1679 | int pri; |
2077 | int pri; |
1680 | |
2078 | |
1681 | for (pri = NUMPRI; pri--; ) |
2079 | for (pri = NUMPRI; pri--; ) |
1682 | while (pendingcnt [pri]) |
2080 | while (pendingcnt [pri]) |
1683 | { |
2081 | { |
1684 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2082 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1685 | |
2083 | |
1686 | if (expect_true (p->w)) |
|
|
1687 | { |
|
|
1688 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
2084 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2085 | /* ^ this is no longer true, as pending_w could be here */ |
1689 | |
2086 | |
1690 | p->w->pending = 0; |
2087 | p->w->pending = 0; |
1691 | EV_CB_INVOKE (p->w, p->events); |
2088 | EV_CB_INVOKE (p->w, p->events); |
1692 | EV_FREQUENT_CHECK; |
2089 | EV_FREQUENT_CHECK; |
1693 | } |
|
|
1694 | } |
2090 | } |
1695 | } |
2091 | } |
1696 | |
2092 | |
1697 | #if EV_IDLE_ENABLE |
2093 | #if EV_IDLE_ENABLE |
1698 | void inline_size |
2094 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
2095 | /* only when higher priorities are idle" logic */ |
|
|
2096 | inline_size void |
1699 | idle_reify (EV_P) |
2097 | idle_reify (EV_P) |
1700 | { |
2098 | { |
1701 | if (expect_false (idleall)) |
2099 | if (expect_false (idleall)) |
1702 | { |
2100 | { |
1703 | int pri; |
2101 | int pri; |
… | |
… | |
1715 | } |
2113 | } |
1716 | } |
2114 | } |
1717 | } |
2115 | } |
1718 | #endif |
2116 | #endif |
1719 | |
2117 | |
1720 | void inline_size |
2118 | /* make timers pending */ |
|
|
2119 | inline_size void |
1721 | timers_reify (EV_P) |
2120 | timers_reify (EV_P) |
1722 | { |
2121 | { |
1723 | EV_FREQUENT_CHECK; |
2122 | EV_FREQUENT_CHECK; |
1724 | |
2123 | |
1725 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
2124 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1726 | { |
2125 | { |
1727 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
2126 | do |
1728 | |
|
|
1729 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1730 | |
|
|
1731 | /* first reschedule or stop timer */ |
|
|
1732 | if (w->repeat) |
|
|
1733 | { |
2127 | { |
|
|
2128 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
2129 | |
|
|
2130 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
2131 | |
|
|
2132 | /* first reschedule or stop timer */ |
|
|
2133 | if (w->repeat) |
|
|
2134 | { |
1734 | ev_at (w) += w->repeat; |
2135 | ev_at (w) += w->repeat; |
1735 | if (ev_at (w) < mn_now) |
2136 | if (ev_at (w) < mn_now) |
1736 | ev_at (w) = mn_now; |
2137 | ev_at (w) = mn_now; |
1737 | |
2138 | |
1738 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
2139 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1739 | |
2140 | |
1740 | ANHE_at_cache (timers [HEAP0]); |
2141 | ANHE_at_cache (timers [HEAP0]); |
1741 | downheap (timers, timercnt, HEAP0); |
2142 | downheap (timers, timercnt, HEAP0); |
|
|
2143 | } |
|
|
2144 | else |
|
|
2145 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2146 | |
|
|
2147 | EV_FREQUENT_CHECK; |
|
|
2148 | feed_reverse (EV_A_ (W)w); |
1742 | } |
2149 | } |
1743 | else |
2150 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1744 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1745 | |
2151 | |
1746 | EV_FREQUENT_CHECK; |
2152 | feed_reverse_done (EV_A_ EV_TIMER); |
1747 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1748 | } |
2153 | } |
1749 | } |
2154 | } |
1750 | |
2155 | |
1751 | #if EV_PERIODIC_ENABLE |
2156 | #if EV_PERIODIC_ENABLE |
1752 | void inline_size |
2157 | /* make periodics pending */ |
|
|
2158 | inline_size void |
1753 | periodics_reify (EV_P) |
2159 | periodics_reify (EV_P) |
1754 | { |
2160 | { |
1755 | EV_FREQUENT_CHECK; |
2161 | EV_FREQUENT_CHECK; |
1756 | |
2162 | |
1757 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2163 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1758 | { |
2164 | { |
1759 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2165 | int feed_count = 0; |
1760 | |
2166 | |
1761 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
2167 | do |
1762 | |
|
|
1763 | /* first reschedule or stop timer */ |
|
|
1764 | if (w->reschedule_cb) |
|
|
1765 | { |
2168 | { |
|
|
2169 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
2170 | |
|
|
2171 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
2172 | |
|
|
2173 | /* first reschedule or stop timer */ |
|
|
2174 | if (w->reschedule_cb) |
|
|
2175 | { |
1766 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2176 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1767 | |
2177 | |
1768 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
2178 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1769 | |
2179 | |
1770 | ANHE_at_cache (periodics [HEAP0]); |
2180 | ANHE_at_cache (periodics [HEAP0]); |
1771 | downheap (periodics, periodiccnt, HEAP0); |
2181 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2182 | } |
|
|
2183 | else if (w->interval) |
|
|
2184 | { |
|
|
2185 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2186 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2187 | /* this might happen because of floating point inexactness */ |
|
|
2188 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2189 | { |
|
|
2190 | ev_at (w) += w->interval; |
|
|
2191 | |
|
|
2192 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2193 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2194 | /* has effectively asked to get triggered more often than possible */ |
|
|
2195 | if (ev_at (w) < ev_rt_now) |
|
|
2196 | ev_at (w) = ev_rt_now; |
|
|
2197 | } |
|
|
2198 | |
|
|
2199 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2200 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2201 | } |
|
|
2202 | else |
|
|
2203 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2204 | |
|
|
2205 | EV_FREQUENT_CHECK; |
|
|
2206 | feed_reverse (EV_A_ (W)w); |
1772 | } |
2207 | } |
1773 | else if (w->interval) |
2208 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
1774 | { |
|
|
1775 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1776 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1777 | /* this might happen because of floating point inexactness */ |
|
|
1778 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1779 | { |
|
|
1780 | ev_at (w) += w->interval; |
|
|
1781 | |
2209 | |
1782 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1783 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1784 | /* has effectively asked to get triggered more often than possible */ |
|
|
1785 | if (ev_at (w) < ev_rt_now) |
|
|
1786 | ev_at (w) = ev_rt_now; |
|
|
1787 | } |
|
|
1788 | |
|
|
1789 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1790 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1791 | } |
|
|
1792 | else |
|
|
1793 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1794 | |
|
|
1795 | EV_FREQUENT_CHECK; |
|
|
1796 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
2210 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1797 | } |
2211 | } |
1798 | } |
2212 | } |
1799 | |
2213 | |
|
|
2214 | /* simply recalculate all periodics */ |
|
|
2215 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
1800 | static void noinline |
2216 | static void noinline |
1801 | periodics_reschedule (EV_P) |
2217 | periodics_reschedule (EV_P) |
1802 | { |
2218 | { |
1803 | int i; |
2219 | int i; |
1804 | |
2220 | |
… | |
… | |
1817 | |
2233 | |
1818 | reheap (periodics, periodiccnt); |
2234 | reheap (periodics, periodiccnt); |
1819 | } |
2235 | } |
1820 | #endif |
2236 | #endif |
1821 | |
2237 | |
1822 | void inline_speed |
2238 | /* adjust all timers by a given offset */ |
|
|
2239 | static void noinline |
|
|
2240 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
2241 | { |
|
|
2242 | int i; |
|
|
2243 | |
|
|
2244 | for (i = 0; i < timercnt; ++i) |
|
|
2245 | { |
|
|
2246 | ANHE *he = timers + i + HEAP0; |
|
|
2247 | ANHE_w (*he)->at += adjust; |
|
|
2248 | ANHE_at_cache (*he); |
|
|
2249 | } |
|
|
2250 | } |
|
|
2251 | |
|
|
2252 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
2253 | /* also detect if there was a timejump, and act accordingly */ |
|
|
2254 | inline_speed void |
1823 | time_update (EV_P_ ev_tstamp max_block) |
2255 | time_update (EV_P_ ev_tstamp max_block) |
1824 | { |
2256 | { |
1825 | int i; |
|
|
1826 | |
|
|
1827 | #if EV_USE_MONOTONIC |
2257 | #if EV_USE_MONOTONIC |
1828 | if (expect_true (have_monotonic)) |
2258 | if (expect_true (have_monotonic)) |
1829 | { |
2259 | { |
|
|
2260 | int i; |
1830 | ev_tstamp odiff = rtmn_diff; |
2261 | ev_tstamp odiff = rtmn_diff; |
1831 | |
2262 | |
1832 | mn_now = get_clock (); |
2263 | mn_now = get_clock (); |
1833 | |
2264 | |
1834 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
2265 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1860 | ev_rt_now = ev_time (); |
2291 | ev_rt_now = ev_time (); |
1861 | mn_now = get_clock (); |
2292 | mn_now = get_clock (); |
1862 | now_floor = mn_now; |
2293 | now_floor = mn_now; |
1863 | } |
2294 | } |
1864 | |
2295 | |
|
|
2296 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
2297 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1865 | # if EV_PERIODIC_ENABLE |
2298 | # if EV_PERIODIC_ENABLE |
1866 | periodics_reschedule (EV_A); |
2299 | periodics_reschedule (EV_A); |
1867 | # endif |
2300 | # endif |
1868 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1869 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1870 | } |
2301 | } |
1871 | else |
2302 | else |
1872 | #endif |
2303 | #endif |
1873 | { |
2304 | { |
1874 | ev_rt_now = ev_time (); |
2305 | ev_rt_now = ev_time (); |
1875 | |
2306 | |
1876 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2307 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1877 | { |
2308 | { |
|
|
2309 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2310 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1878 | #if EV_PERIODIC_ENABLE |
2311 | #if EV_PERIODIC_ENABLE |
1879 | periodics_reschedule (EV_A); |
2312 | periodics_reschedule (EV_A); |
1880 | #endif |
2313 | #endif |
1881 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1882 | for (i = 0; i < timercnt; ++i) |
|
|
1883 | { |
|
|
1884 | ANHE *he = timers + i + HEAP0; |
|
|
1885 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1886 | ANHE_at_cache (*he); |
|
|
1887 | } |
|
|
1888 | } |
2314 | } |
1889 | |
2315 | |
1890 | mn_now = ev_rt_now; |
2316 | mn_now = ev_rt_now; |
1891 | } |
2317 | } |
1892 | } |
2318 | } |
1893 | |
2319 | |
1894 | void |
2320 | void |
1895 | ev_ref (EV_P) |
|
|
1896 | { |
|
|
1897 | ++activecnt; |
|
|
1898 | } |
|
|
1899 | |
|
|
1900 | void |
|
|
1901 | ev_unref (EV_P) |
|
|
1902 | { |
|
|
1903 | --activecnt; |
|
|
1904 | } |
|
|
1905 | |
|
|
1906 | void |
|
|
1907 | ev_now_update (EV_P) |
|
|
1908 | { |
|
|
1909 | time_update (EV_A_ 1e100); |
|
|
1910 | } |
|
|
1911 | |
|
|
1912 | static int loop_done; |
|
|
1913 | |
|
|
1914 | void |
|
|
1915 | ev_loop (EV_P_ int flags) |
2321 | ev_run (EV_P_ int flags) |
1916 | { |
2322 | { |
|
|
2323 | #if EV_FEATURE_API |
|
|
2324 | ++loop_depth; |
|
|
2325 | #endif |
|
|
2326 | |
|
|
2327 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
|
|
2328 | |
1917 | loop_done = EVUNLOOP_CANCEL; |
2329 | loop_done = EVBREAK_CANCEL; |
1918 | |
2330 | |
1919 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2331 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
1920 | |
2332 | |
1921 | do |
2333 | do |
1922 | { |
2334 | { |
1923 | #if EV_VERIFY >= 2 |
2335 | #if EV_VERIFY >= 2 |
1924 | ev_loop_verify (EV_A); |
2336 | ev_verify (EV_A); |
1925 | #endif |
2337 | #endif |
1926 | |
2338 | |
1927 | #ifndef _WIN32 |
2339 | #ifndef _WIN32 |
1928 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2340 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1929 | if (expect_false (getpid () != curpid)) |
2341 | if (expect_false (getpid () != curpid)) |
… | |
… | |
1937 | /* we might have forked, so queue fork handlers */ |
2349 | /* we might have forked, so queue fork handlers */ |
1938 | if (expect_false (postfork)) |
2350 | if (expect_false (postfork)) |
1939 | if (forkcnt) |
2351 | if (forkcnt) |
1940 | { |
2352 | { |
1941 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2353 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1942 | call_pending (EV_A); |
2354 | EV_INVOKE_PENDING; |
1943 | } |
2355 | } |
1944 | #endif |
2356 | #endif |
1945 | |
2357 | |
|
|
2358 | #if EV_PREPARE_ENABLE |
1946 | /* queue prepare watchers (and execute them) */ |
2359 | /* queue prepare watchers (and execute them) */ |
1947 | if (expect_false (preparecnt)) |
2360 | if (expect_false (preparecnt)) |
1948 | { |
2361 | { |
1949 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2362 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1950 | call_pending (EV_A); |
2363 | EV_INVOKE_PENDING; |
1951 | } |
2364 | } |
|
|
2365 | #endif |
1952 | |
2366 | |
1953 | if (expect_false (!activecnt)) |
2367 | if (expect_false (loop_done)) |
1954 | break; |
2368 | break; |
1955 | |
2369 | |
1956 | /* we might have forked, so reify kernel state if necessary */ |
2370 | /* we might have forked, so reify kernel state if necessary */ |
1957 | if (expect_false (postfork)) |
2371 | if (expect_false (postfork)) |
1958 | loop_fork (EV_A); |
2372 | loop_fork (EV_A); |
… | |
… | |
1963 | /* calculate blocking time */ |
2377 | /* calculate blocking time */ |
1964 | { |
2378 | { |
1965 | ev_tstamp waittime = 0.; |
2379 | ev_tstamp waittime = 0.; |
1966 | ev_tstamp sleeptime = 0.; |
2380 | ev_tstamp sleeptime = 0.; |
1967 | |
2381 | |
|
|
2382 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2383 | ev_tstamp prev_mn_now = mn_now; |
|
|
2384 | |
|
|
2385 | /* update time to cancel out callback processing overhead */ |
|
|
2386 | time_update (EV_A_ 1e100); |
|
|
2387 | |
1968 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2388 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
1969 | { |
2389 | { |
1970 | /* update time to cancel out callback processing overhead */ |
|
|
1971 | time_update (EV_A_ 1e100); |
|
|
1972 | |
|
|
1973 | waittime = MAX_BLOCKTIME; |
2390 | waittime = MAX_BLOCKTIME; |
1974 | |
2391 | |
1975 | if (timercnt) |
2392 | if (timercnt) |
1976 | { |
2393 | { |
1977 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2394 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
1984 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2401 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1985 | if (waittime > to) waittime = to; |
2402 | if (waittime > to) waittime = to; |
1986 | } |
2403 | } |
1987 | #endif |
2404 | #endif |
1988 | |
2405 | |
|
|
2406 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
1989 | if (expect_false (waittime < timeout_blocktime)) |
2407 | if (expect_false (waittime < timeout_blocktime)) |
1990 | waittime = timeout_blocktime; |
2408 | waittime = timeout_blocktime; |
1991 | |
2409 | |
1992 | sleeptime = waittime - backend_fudge; |
2410 | /* extra check because io_blocktime is commonly 0 */ |
1993 | |
|
|
1994 | if (expect_true (sleeptime > io_blocktime)) |
2411 | if (expect_false (io_blocktime)) |
1995 | sleeptime = io_blocktime; |
|
|
1996 | |
|
|
1997 | if (sleeptime) |
|
|
1998 | { |
2412 | { |
|
|
2413 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2414 | |
|
|
2415 | if (sleeptime > waittime - backend_fudge) |
|
|
2416 | sleeptime = waittime - backend_fudge; |
|
|
2417 | |
|
|
2418 | if (expect_true (sleeptime > 0.)) |
|
|
2419 | { |
1999 | ev_sleep (sleeptime); |
2420 | ev_sleep (sleeptime); |
2000 | waittime -= sleeptime; |
2421 | waittime -= sleeptime; |
|
|
2422 | } |
2001 | } |
2423 | } |
2002 | } |
2424 | } |
2003 | |
2425 | |
|
|
2426 | #if EV_FEATURE_API |
2004 | ++loop_count; |
2427 | ++loop_count; |
|
|
2428 | #endif |
|
|
2429 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2005 | backend_poll (EV_A_ waittime); |
2430 | backend_poll (EV_A_ waittime); |
|
|
2431 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2006 | |
2432 | |
2007 | /* update ev_rt_now, do magic */ |
2433 | /* update ev_rt_now, do magic */ |
2008 | time_update (EV_A_ waittime + sleeptime); |
2434 | time_update (EV_A_ waittime + sleeptime); |
2009 | } |
2435 | } |
2010 | |
2436 | |
… | |
… | |
2017 | #if EV_IDLE_ENABLE |
2443 | #if EV_IDLE_ENABLE |
2018 | /* queue idle watchers unless other events are pending */ |
2444 | /* queue idle watchers unless other events are pending */ |
2019 | idle_reify (EV_A); |
2445 | idle_reify (EV_A); |
2020 | #endif |
2446 | #endif |
2021 | |
2447 | |
|
|
2448 | #if EV_CHECK_ENABLE |
2022 | /* queue check watchers, to be executed first */ |
2449 | /* queue check watchers, to be executed first */ |
2023 | if (expect_false (checkcnt)) |
2450 | if (expect_false (checkcnt)) |
2024 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2451 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2452 | #endif |
2025 | |
2453 | |
2026 | call_pending (EV_A); |
2454 | EV_INVOKE_PENDING; |
2027 | } |
2455 | } |
2028 | while (expect_true ( |
2456 | while (expect_true ( |
2029 | activecnt |
2457 | activecnt |
2030 | && !loop_done |
2458 | && !loop_done |
2031 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2459 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2032 | )); |
2460 | )); |
2033 | |
2461 | |
2034 | if (loop_done == EVUNLOOP_ONE) |
2462 | if (loop_done == EVBREAK_ONE) |
2035 | loop_done = EVUNLOOP_CANCEL; |
2463 | loop_done = EVBREAK_CANCEL; |
|
|
2464 | |
|
|
2465 | #if EV_FEATURE_API |
|
|
2466 | --loop_depth; |
|
|
2467 | #endif |
2036 | } |
2468 | } |
2037 | |
2469 | |
2038 | void |
2470 | void |
2039 | ev_unloop (EV_P_ int how) |
2471 | ev_break (EV_P_ int how) |
2040 | { |
2472 | { |
2041 | loop_done = how; |
2473 | loop_done = how; |
2042 | } |
2474 | } |
2043 | |
2475 | |
|
|
2476 | void |
|
|
2477 | ev_ref (EV_P) |
|
|
2478 | { |
|
|
2479 | ++activecnt; |
|
|
2480 | } |
|
|
2481 | |
|
|
2482 | void |
|
|
2483 | ev_unref (EV_P) |
|
|
2484 | { |
|
|
2485 | --activecnt; |
|
|
2486 | } |
|
|
2487 | |
|
|
2488 | void |
|
|
2489 | ev_now_update (EV_P) |
|
|
2490 | { |
|
|
2491 | time_update (EV_A_ 1e100); |
|
|
2492 | } |
|
|
2493 | |
|
|
2494 | void |
|
|
2495 | ev_suspend (EV_P) |
|
|
2496 | { |
|
|
2497 | ev_now_update (EV_A); |
|
|
2498 | } |
|
|
2499 | |
|
|
2500 | void |
|
|
2501 | ev_resume (EV_P) |
|
|
2502 | { |
|
|
2503 | ev_tstamp mn_prev = mn_now; |
|
|
2504 | |
|
|
2505 | ev_now_update (EV_A); |
|
|
2506 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2507 | #if EV_PERIODIC_ENABLE |
|
|
2508 | /* TODO: really do this? */ |
|
|
2509 | periodics_reschedule (EV_A); |
|
|
2510 | #endif |
|
|
2511 | } |
|
|
2512 | |
2044 | /*****************************************************************************/ |
2513 | /*****************************************************************************/ |
|
|
2514 | /* singly-linked list management, used when the expected list length is short */ |
2045 | |
2515 | |
2046 | void inline_size |
2516 | inline_size void |
2047 | wlist_add (WL *head, WL elem) |
2517 | wlist_add (WL *head, WL elem) |
2048 | { |
2518 | { |
2049 | elem->next = *head; |
2519 | elem->next = *head; |
2050 | *head = elem; |
2520 | *head = elem; |
2051 | } |
2521 | } |
2052 | |
2522 | |
2053 | void inline_size |
2523 | inline_size void |
2054 | wlist_del (WL *head, WL elem) |
2524 | wlist_del (WL *head, WL elem) |
2055 | { |
2525 | { |
2056 | while (*head) |
2526 | while (*head) |
2057 | { |
2527 | { |
2058 | if (*head == elem) |
2528 | if (expect_true (*head == elem)) |
2059 | { |
2529 | { |
2060 | *head = elem->next; |
2530 | *head = elem->next; |
2061 | return; |
2531 | break; |
2062 | } |
2532 | } |
2063 | |
2533 | |
2064 | head = &(*head)->next; |
2534 | head = &(*head)->next; |
2065 | } |
2535 | } |
2066 | } |
2536 | } |
2067 | |
2537 | |
2068 | void inline_speed |
2538 | /* internal, faster, version of ev_clear_pending */ |
|
|
2539 | inline_speed void |
2069 | clear_pending (EV_P_ W w) |
2540 | clear_pending (EV_P_ W w) |
2070 | { |
2541 | { |
2071 | if (w->pending) |
2542 | if (w->pending) |
2072 | { |
2543 | { |
2073 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2544 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
2074 | w->pending = 0; |
2545 | w->pending = 0; |
2075 | } |
2546 | } |
2076 | } |
2547 | } |
2077 | |
2548 | |
2078 | int |
2549 | int |
… | |
… | |
2082 | int pending = w_->pending; |
2553 | int pending = w_->pending; |
2083 | |
2554 | |
2084 | if (expect_true (pending)) |
2555 | if (expect_true (pending)) |
2085 | { |
2556 | { |
2086 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2557 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2558 | p->w = (W)&pending_w; |
2087 | w_->pending = 0; |
2559 | w_->pending = 0; |
2088 | p->w = 0; |
|
|
2089 | return p->events; |
2560 | return p->events; |
2090 | } |
2561 | } |
2091 | else |
2562 | else |
2092 | return 0; |
2563 | return 0; |
2093 | } |
2564 | } |
2094 | |
2565 | |
2095 | void inline_size |
2566 | inline_size void |
2096 | pri_adjust (EV_P_ W w) |
2567 | pri_adjust (EV_P_ W w) |
2097 | { |
2568 | { |
2098 | int pri = w->priority; |
2569 | int pri = ev_priority (w); |
2099 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2570 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2100 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2571 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2101 | w->priority = pri; |
2572 | ev_set_priority (w, pri); |
2102 | } |
2573 | } |
2103 | |
2574 | |
2104 | void inline_speed |
2575 | inline_speed void |
2105 | ev_start (EV_P_ W w, int active) |
2576 | ev_start (EV_P_ W w, int active) |
2106 | { |
2577 | { |
2107 | pri_adjust (EV_A_ w); |
2578 | pri_adjust (EV_A_ w); |
2108 | w->active = active; |
2579 | w->active = active; |
2109 | ev_ref (EV_A); |
2580 | ev_ref (EV_A); |
2110 | } |
2581 | } |
2111 | |
2582 | |
2112 | void inline_size |
2583 | inline_size void |
2113 | ev_stop (EV_P_ W w) |
2584 | ev_stop (EV_P_ W w) |
2114 | { |
2585 | { |
2115 | ev_unref (EV_A); |
2586 | ev_unref (EV_A); |
2116 | w->active = 0; |
2587 | w->active = 0; |
2117 | } |
2588 | } |
… | |
… | |
2124 | int fd = w->fd; |
2595 | int fd = w->fd; |
2125 | |
2596 | |
2126 | if (expect_false (ev_is_active (w))) |
2597 | if (expect_false (ev_is_active (w))) |
2127 | return; |
2598 | return; |
2128 | |
2599 | |
2129 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2600 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2130 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
2601 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2131 | |
2602 | |
2132 | EV_FREQUENT_CHECK; |
2603 | EV_FREQUENT_CHECK; |
2133 | |
2604 | |
2134 | ev_start (EV_A_ (W)w, 1); |
2605 | ev_start (EV_A_ (W)w, 1); |
2135 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2606 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2136 | wlist_add (&anfds[fd].head, (WL)w); |
2607 | wlist_add (&anfds[fd].head, (WL)w); |
2137 | |
2608 | |
2138 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2609 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2139 | w->events &= ~EV_IOFDSET; |
2610 | w->events &= ~EV__IOFDSET; |
2140 | |
2611 | |
2141 | EV_FREQUENT_CHECK; |
2612 | EV_FREQUENT_CHECK; |
2142 | } |
2613 | } |
2143 | |
2614 | |
2144 | void noinline |
2615 | void noinline |
… | |
… | |
2146 | { |
2617 | { |
2147 | clear_pending (EV_A_ (W)w); |
2618 | clear_pending (EV_A_ (W)w); |
2148 | if (expect_false (!ev_is_active (w))) |
2619 | if (expect_false (!ev_is_active (w))) |
2149 | return; |
2620 | return; |
2150 | |
2621 | |
2151 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2622 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2152 | |
2623 | |
2153 | EV_FREQUENT_CHECK; |
2624 | EV_FREQUENT_CHECK; |
2154 | |
2625 | |
2155 | wlist_del (&anfds[w->fd].head, (WL)w); |
2626 | wlist_del (&anfds[w->fd].head, (WL)w); |
2156 | ev_stop (EV_A_ (W)w); |
2627 | ev_stop (EV_A_ (W)w); |
2157 | |
2628 | |
2158 | fd_change (EV_A_ w->fd, 1); |
2629 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2159 | |
2630 | |
2160 | EV_FREQUENT_CHECK; |
2631 | EV_FREQUENT_CHECK; |
2161 | } |
2632 | } |
2162 | |
2633 | |
2163 | void noinline |
2634 | void noinline |
… | |
… | |
2166 | if (expect_false (ev_is_active (w))) |
2637 | if (expect_false (ev_is_active (w))) |
2167 | return; |
2638 | return; |
2168 | |
2639 | |
2169 | ev_at (w) += mn_now; |
2640 | ev_at (w) += mn_now; |
2170 | |
2641 | |
2171 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2642 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2172 | |
2643 | |
2173 | EV_FREQUENT_CHECK; |
2644 | EV_FREQUENT_CHECK; |
2174 | |
2645 | |
2175 | ++timercnt; |
2646 | ++timercnt; |
2176 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
2647 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
… | |
… | |
2179 | ANHE_at_cache (timers [ev_active (w)]); |
2650 | ANHE_at_cache (timers [ev_active (w)]); |
2180 | upheap (timers, ev_active (w)); |
2651 | upheap (timers, ev_active (w)); |
2181 | |
2652 | |
2182 | EV_FREQUENT_CHECK; |
2653 | EV_FREQUENT_CHECK; |
2183 | |
2654 | |
2184 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2655 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2185 | } |
2656 | } |
2186 | |
2657 | |
2187 | void noinline |
2658 | void noinline |
2188 | ev_timer_stop (EV_P_ ev_timer *w) |
2659 | ev_timer_stop (EV_P_ ev_timer *w) |
2189 | { |
2660 | { |
… | |
… | |
2194 | EV_FREQUENT_CHECK; |
2665 | EV_FREQUENT_CHECK; |
2195 | |
2666 | |
2196 | { |
2667 | { |
2197 | int active = ev_active (w); |
2668 | int active = ev_active (w); |
2198 | |
2669 | |
2199 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2670 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2200 | |
2671 | |
2201 | --timercnt; |
2672 | --timercnt; |
2202 | |
2673 | |
2203 | if (expect_true (active < timercnt + HEAP0)) |
2674 | if (expect_true (active < timercnt + HEAP0)) |
2204 | { |
2675 | { |
2205 | timers [active] = timers [timercnt + HEAP0]; |
2676 | timers [active] = timers [timercnt + HEAP0]; |
2206 | adjustheap (timers, timercnt, active); |
2677 | adjustheap (timers, timercnt, active); |
2207 | } |
2678 | } |
2208 | } |
2679 | } |
2209 | |
2680 | |
2210 | EV_FREQUENT_CHECK; |
|
|
2211 | |
|
|
2212 | ev_at (w) -= mn_now; |
2681 | ev_at (w) -= mn_now; |
2213 | |
2682 | |
2214 | ev_stop (EV_A_ (W)w); |
2683 | ev_stop (EV_A_ (W)w); |
|
|
2684 | |
|
|
2685 | EV_FREQUENT_CHECK; |
2215 | } |
2686 | } |
2216 | |
2687 | |
2217 | void noinline |
2688 | void noinline |
2218 | ev_timer_again (EV_P_ ev_timer *w) |
2689 | ev_timer_again (EV_P_ ev_timer *w) |
2219 | { |
2690 | { |
… | |
… | |
2237 | } |
2708 | } |
2238 | |
2709 | |
2239 | EV_FREQUENT_CHECK; |
2710 | EV_FREQUENT_CHECK; |
2240 | } |
2711 | } |
2241 | |
2712 | |
|
|
2713 | ev_tstamp |
|
|
2714 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2715 | { |
|
|
2716 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
|
|
2717 | } |
|
|
2718 | |
2242 | #if EV_PERIODIC_ENABLE |
2719 | #if EV_PERIODIC_ENABLE |
2243 | void noinline |
2720 | void noinline |
2244 | ev_periodic_start (EV_P_ ev_periodic *w) |
2721 | ev_periodic_start (EV_P_ ev_periodic *w) |
2245 | { |
2722 | { |
2246 | if (expect_false (ev_is_active (w))) |
2723 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2248 | |
2725 | |
2249 | if (w->reschedule_cb) |
2726 | if (w->reschedule_cb) |
2250 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2727 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2251 | else if (w->interval) |
2728 | else if (w->interval) |
2252 | { |
2729 | { |
2253 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2730 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2254 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2731 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2255 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2732 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2256 | } |
2733 | } |
2257 | else |
2734 | else |
2258 | ev_at (w) = w->offset; |
2735 | ev_at (w) = w->offset; |
… | |
… | |
2266 | ANHE_at_cache (periodics [ev_active (w)]); |
2743 | ANHE_at_cache (periodics [ev_active (w)]); |
2267 | upheap (periodics, ev_active (w)); |
2744 | upheap (periodics, ev_active (w)); |
2268 | |
2745 | |
2269 | EV_FREQUENT_CHECK; |
2746 | EV_FREQUENT_CHECK; |
2270 | |
2747 | |
2271 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2748 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2272 | } |
2749 | } |
2273 | |
2750 | |
2274 | void noinline |
2751 | void noinline |
2275 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2752 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2276 | { |
2753 | { |
… | |
… | |
2281 | EV_FREQUENT_CHECK; |
2758 | EV_FREQUENT_CHECK; |
2282 | |
2759 | |
2283 | { |
2760 | { |
2284 | int active = ev_active (w); |
2761 | int active = ev_active (w); |
2285 | |
2762 | |
2286 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2763 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2287 | |
2764 | |
2288 | --periodiccnt; |
2765 | --periodiccnt; |
2289 | |
2766 | |
2290 | if (expect_true (active < periodiccnt + HEAP0)) |
2767 | if (expect_true (active < periodiccnt + HEAP0)) |
2291 | { |
2768 | { |
2292 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2769 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2293 | adjustheap (periodics, periodiccnt, active); |
2770 | adjustheap (periodics, periodiccnt, active); |
2294 | } |
2771 | } |
2295 | } |
2772 | } |
2296 | |
2773 | |
2297 | EV_FREQUENT_CHECK; |
|
|
2298 | |
|
|
2299 | ev_stop (EV_A_ (W)w); |
2774 | ev_stop (EV_A_ (W)w); |
|
|
2775 | |
|
|
2776 | EV_FREQUENT_CHECK; |
2300 | } |
2777 | } |
2301 | |
2778 | |
2302 | void noinline |
2779 | void noinline |
2303 | ev_periodic_again (EV_P_ ev_periodic *w) |
2780 | ev_periodic_again (EV_P_ ev_periodic *w) |
2304 | { |
2781 | { |
… | |
… | |
2310 | |
2787 | |
2311 | #ifndef SA_RESTART |
2788 | #ifndef SA_RESTART |
2312 | # define SA_RESTART 0 |
2789 | # define SA_RESTART 0 |
2313 | #endif |
2790 | #endif |
2314 | |
2791 | |
|
|
2792 | #if EV_SIGNAL_ENABLE |
|
|
2793 | |
2315 | void noinline |
2794 | void noinline |
2316 | ev_signal_start (EV_P_ ev_signal *w) |
2795 | ev_signal_start (EV_P_ ev_signal *w) |
2317 | { |
2796 | { |
2318 | #if EV_MULTIPLICITY |
|
|
2319 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2320 | #endif |
|
|
2321 | if (expect_false (ev_is_active (w))) |
2797 | if (expect_false (ev_is_active (w))) |
2322 | return; |
2798 | return; |
2323 | |
2799 | |
2324 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2800 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2325 | |
2801 | |
2326 | evpipe_init (EV_A); |
2802 | #if EV_MULTIPLICITY |
|
|
2803 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2804 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2327 | |
2805 | |
2328 | EV_FREQUENT_CHECK; |
2806 | signals [w->signum - 1].loop = EV_A; |
|
|
2807 | #endif |
2329 | |
2808 | |
|
|
2809 | EV_FREQUENT_CHECK; |
|
|
2810 | |
|
|
2811 | #if EV_USE_SIGNALFD |
|
|
2812 | if (sigfd == -2) |
2330 | { |
2813 | { |
2331 | #ifndef _WIN32 |
2814 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2332 | sigset_t full, prev; |
2815 | if (sigfd < 0 && errno == EINVAL) |
2333 | sigfillset (&full); |
2816 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2334 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2335 | #endif |
|
|
2336 | |
2817 | |
2337 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2818 | if (sigfd >= 0) |
|
|
2819 | { |
|
|
2820 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2338 | |
2821 | |
2339 | #ifndef _WIN32 |
2822 | sigemptyset (&sigfd_set); |
2340 | sigprocmask (SIG_SETMASK, &prev, 0); |
2823 | |
2341 | #endif |
2824 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2825 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2826 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2827 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2828 | } |
2342 | } |
2829 | } |
|
|
2830 | |
|
|
2831 | if (sigfd >= 0) |
|
|
2832 | { |
|
|
2833 | /* TODO: check .head */ |
|
|
2834 | sigaddset (&sigfd_set, w->signum); |
|
|
2835 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2836 | |
|
|
2837 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2838 | } |
|
|
2839 | #endif |
2343 | |
2840 | |
2344 | ev_start (EV_A_ (W)w, 1); |
2841 | ev_start (EV_A_ (W)w, 1); |
2345 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2842 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2346 | |
2843 | |
2347 | if (!((WL)w)->next) |
2844 | if (!((WL)w)->next) |
|
|
2845 | # if EV_USE_SIGNALFD |
|
|
2846 | if (sigfd < 0) /*TODO*/ |
|
|
2847 | # endif |
2348 | { |
2848 | { |
2349 | #if _WIN32 |
2849 | # ifdef _WIN32 |
|
|
2850 | evpipe_init (EV_A); |
|
|
2851 | |
2350 | signal (w->signum, ev_sighandler); |
2852 | signal (w->signum, ev_sighandler); |
2351 | #else |
2853 | # else |
2352 | struct sigaction sa; |
2854 | struct sigaction sa; |
|
|
2855 | |
|
|
2856 | evpipe_init (EV_A); |
|
|
2857 | |
2353 | sa.sa_handler = ev_sighandler; |
2858 | sa.sa_handler = ev_sighandler; |
2354 | sigfillset (&sa.sa_mask); |
2859 | sigfillset (&sa.sa_mask); |
2355 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2860 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2356 | sigaction (w->signum, &sa, 0); |
2861 | sigaction (w->signum, &sa, 0); |
|
|
2862 | |
|
|
2863 | sigemptyset (&sa.sa_mask); |
|
|
2864 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2865 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2357 | #endif |
2866 | #endif |
2358 | } |
2867 | } |
2359 | |
2868 | |
2360 | EV_FREQUENT_CHECK; |
2869 | EV_FREQUENT_CHECK; |
2361 | } |
2870 | } |
2362 | |
2871 | |
2363 | void noinline |
2872 | void noinline |
… | |
… | |
2371 | |
2880 | |
2372 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2881 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2373 | ev_stop (EV_A_ (W)w); |
2882 | ev_stop (EV_A_ (W)w); |
2374 | |
2883 | |
2375 | if (!signals [w->signum - 1].head) |
2884 | if (!signals [w->signum - 1].head) |
|
|
2885 | { |
|
|
2886 | #if EV_MULTIPLICITY |
|
|
2887 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2888 | #endif |
|
|
2889 | #if EV_USE_SIGNALFD |
|
|
2890 | if (sigfd >= 0) |
|
|
2891 | { |
|
|
2892 | sigset_t ss; |
|
|
2893 | |
|
|
2894 | sigemptyset (&ss); |
|
|
2895 | sigaddset (&ss, w->signum); |
|
|
2896 | sigdelset (&sigfd_set, w->signum); |
|
|
2897 | |
|
|
2898 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2899 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
|
|
2900 | } |
|
|
2901 | else |
|
|
2902 | #endif |
2376 | signal (w->signum, SIG_DFL); |
2903 | signal (w->signum, SIG_DFL); |
|
|
2904 | } |
2377 | |
2905 | |
2378 | EV_FREQUENT_CHECK; |
2906 | EV_FREQUENT_CHECK; |
2379 | } |
2907 | } |
|
|
2908 | |
|
|
2909 | #endif |
|
|
2910 | |
|
|
2911 | #if EV_CHILD_ENABLE |
2380 | |
2912 | |
2381 | void |
2913 | void |
2382 | ev_child_start (EV_P_ ev_child *w) |
2914 | ev_child_start (EV_P_ ev_child *w) |
2383 | { |
2915 | { |
2384 | #if EV_MULTIPLICITY |
2916 | #if EV_MULTIPLICITY |
2385 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2917 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2386 | #endif |
2918 | #endif |
2387 | if (expect_false (ev_is_active (w))) |
2919 | if (expect_false (ev_is_active (w))) |
2388 | return; |
2920 | return; |
2389 | |
2921 | |
2390 | EV_FREQUENT_CHECK; |
2922 | EV_FREQUENT_CHECK; |
2391 | |
2923 | |
2392 | ev_start (EV_A_ (W)w, 1); |
2924 | ev_start (EV_A_ (W)w, 1); |
2393 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2925 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2394 | |
2926 | |
2395 | EV_FREQUENT_CHECK; |
2927 | EV_FREQUENT_CHECK; |
2396 | } |
2928 | } |
2397 | |
2929 | |
2398 | void |
2930 | void |
… | |
… | |
2402 | if (expect_false (!ev_is_active (w))) |
2934 | if (expect_false (!ev_is_active (w))) |
2403 | return; |
2935 | return; |
2404 | |
2936 | |
2405 | EV_FREQUENT_CHECK; |
2937 | EV_FREQUENT_CHECK; |
2406 | |
2938 | |
2407 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2939 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2408 | ev_stop (EV_A_ (W)w); |
2940 | ev_stop (EV_A_ (W)w); |
2409 | |
2941 | |
2410 | EV_FREQUENT_CHECK; |
2942 | EV_FREQUENT_CHECK; |
2411 | } |
2943 | } |
|
|
2944 | |
|
|
2945 | #endif |
2412 | |
2946 | |
2413 | #if EV_STAT_ENABLE |
2947 | #if EV_STAT_ENABLE |
2414 | |
2948 | |
2415 | # ifdef _WIN32 |
2949 | # ifdef _WIN32 |
2416 | # undef lstat |
2950 | # undef lstat |
… | |
… | |
2422 | #define MIN_STAT_INTERVAL 0.1074891 |
2956 | #define MIN_STAT_INTERVAL 0.1074891 |
2423 | |
2957 | |
2424 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2958 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2425 | |
2959 | |
2426 | #if EV_USE_INOTIFY |
2960 | #if EV_USE_INOTIFY |
2427 | # define EV_INOTIFY_BUFSIZE 8192 |
2961 | |
|
|
2962 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2963 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2428 | |
2964 | |
2429 | static void noinline |
2965 | static void noinline |
2430 | infy_add (EV_P_ ev_stat *w) |
2966 | infy_add (EV_P_ ev_stat *w) |
2431 | { |
2967 | { |
2432 | 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); |
2968 | 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); |
2433 | |
2969 | |
2434 | if (w->wd < 0) |
2970 | if (w->wd >= 0) |
|
|
2971 | { |
|
|
2972 | struct statfs sfs; |
|
|
2973 | |
|
|
2974 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2975 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2976 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2977 | |
|
|
2978 | if (!fs_2625) |
|
|
2979 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
2980 | else if (!statfs (w->path, &sfs) |
|
|
2981 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
2982 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2983 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2984 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2985 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2986 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
2987 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
2988 | else |
|
|
2989 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2435 | { |
2990 | } |
|
|
2991 | else |
|
|
2992 | { |
|
|
2993 | /* can't use inotify, continue to stat */ |
2436 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2994 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2437 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2438 | |
2995 | |
2439 | /* monitor some parent directory for speedup hints */ |
2996 | /* if path is not there, monitor some parent directory for speedup hints */ |
2440 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2997 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2441 | /* but an efficiency issue only */ |
2998 | /* but an efficiency issue only */ |
2442 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2999 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2443 | { |
3000 | { |
2444 | char path [4096]; |
3001 | char path [4096]; |
… | |
… | |
2449 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
3006 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2450 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
3007 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2451 | |
3008 | |
2452 | char *pend = strrchr (path, '/'); |
3009 | char *pend = strrchr (path, '/'); |
2453 | |
3010 | |
2454 | if (!pend) |
3011 | if (!pend || pend == path) |
2455 | break; /* whoops, no '/', complain to your admin */ |
3012 | break; |
2456 | |
3013 | |
2457 | *pend = 0; |
3014 | *pend = 0; |
2458 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3015 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2459 | } |
3016 | } |
2460 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3017 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2461 | } |
3018 | } |
2462 | } |
3019 | } |
2463 | else |
3020 | |
2464 | { |
3021 | if (w->wd >= 0) |
2465 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3022 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2466 | |
3023 | |
2467 | /* now local changes will be tracked by inotify, but remote changes won't */ |
3024 | /* now re-arm timer, if required */ |
2468 | /* unless the filesystem it known to be local, we therefore still poll */ |
3025 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2469 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2470 | struct statfs sfs; |
|
|
2471 | |
|
|
2472 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2473 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2474 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2475 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2476 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2477 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2478 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2479 | return; |
|
|
2480 | |
|
|
2481 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2482 | ev_timer_again (EV_A_ &w->timer); |
3026 | ev_timer_again (EV_A_ &w->timer); |
2483 | } |
3027 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2484 | } |
3028 | } |
2485 | |
3029 | |
2486 | static void noinline |
3030 | static void noinline |
2487 | infy_del (EV_P_ ev_stat *w) |
3031 | infy_del (EV_P_ ev_stat *w) |
2488 | { |
3032 | { |
… | |
… | |
2491 | |
3035 | |
2492 | if (wd < 0) |
3036 | if (wd < 0) |
2493 | return; |
3037 | return; |
2494 | |
3038 | |
2495 | w->wd = -2; |
3039 | w->wd = -2; |
2496 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3040 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2497 | wlist_del (&fs_hash [slot].head, (WL)w); |
3041 | wlist_del (&fs_hash [slot].head, (WL)w); |
2498 | |
3042 | |
2499 | /* remove this watcher, if others are watching it, they will rearm */ |
3043 | /* remove this watcher, if others are watching it, they will rearm */ |
2500 | inotify_rm_watch (fs_fd, wd); |
3044 | inotify_rm_watch (fs_fd, wd); |
2501 | } |
3045 | } |
… | |
… | |
2503 | static void noinline |
3047 | static void noinline |
2504 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3048 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2505 | { |
3049 | { |
2506 | if (slot < 0) |
3050 | if (slot < 0) |
2507 | /* overflow, need to check for all hash slots */ |
3051 | /* overflow, need to check for all hash slots */ |
2508 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3052 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2509 | infy_wd (EV_A_ slot, wd, ev); |
3053 | infy_wd (EV_A_ slot, wd, ev); |
2510 | else |
3054 | else |
2511 | { |
3055 | { |
2512 | WL w_; |
3056 | WL w_; |
2513 | |
3057 | |
2514 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3058 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2515 | { |
3059 | { |
2516 | ev_stat *w = (ev_stat *)w_; |
3060 | ev_stat *w = (ev_stat *)w_; |
2517 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3061 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2518 | |
3062 | |
2519 | if (w->wd == wd || wd == -1) |
3063 | if (w->wd == wd || wd == -1) |
2520 | { |
3064 | { |
2521 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3065 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2522 | { |
3066 | { |
|
|
3067 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2523 | w->wd = -1; |
3068 | w->wd = -1; |
2524 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3069 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2525 | } |
3070 | } |
2526 | |
3071 | |
2527 | stat_timer_cb (EV_A_ &w->timer, 0); |
3072 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2532 | |
3077 | |
2533 | static void |
3078 | static void |
2534 | infy_cb (EV_P_ ev_io *w, int revents) |
3079 | infy_cb (EV_P_ ev_io *w, int revents) |
2535 | { |
3080 | { |
2536 | char buf [EV_INOTIFY_BUFSIZE]; |
3081 | char buf [EV_INOTIFY_BUFSIZE]; |
2537 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2538 | int ofs; |
3082 | int ofs; |
2539 | int len = read (fs_fd, buf, sizeof (buf)); |
3083 | int len = read (fs_fd, buf, sizeof (buf)); |
2540 | |
3084 | |
2541 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3085 | for (ofs = 0; ofs < len; ) |
|
|
3086 | { |
|
|
3087 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2542 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3088 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3089 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3090 | } |
2543 | } |
3091 | } |
2544 | |
3092 | |
2545 | void inline_size |
3093 | inline_size void |
2546 | check_2625 (EV_P) |
3094 | ev_check_2625 (EV_P) |
2547 | { |
3095 | { |
2548 | /* kernels < 2.6.25 are borked |
3096 | /* kernels < 2.6.25 are borked |
2549 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3097 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2550 | */ |
3098 | */ |
2551 | struct utsname buf; |
3099 | if (ev_linux_version () < 0x020619) |
2552 | int major, minor, micro; |
|
|
2553 | |
|
|
2554 | if (uname (&buf)) |
|
|
2555 | return; |
3100 | return; |
2556 | |
3101 | |
2557 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2558 | return; |
|
|
2559 | |
|
|
2560 | if (major < 2 |
|
|
2561 | || (major == 2 && minor < 6) |
|
|
2562 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2563 | return; |
|
|
2564 | |
|
|
2565 | fs_2625 = 1; |
3102 | fs_2625 = 1; |
2566 | } |
3103 | } |
2567 | |
3104 | |
2568 | void inline_size |
3105 | inline_size int |
|
|
3106 | infy_newfd (void) |
|
|
3107 | { |
|
|
3108 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3109 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3110 | if (fd >= 0) |
|
|
3111 | return fd; |
|
|
3112 | #endif |
|
|
3113 | return inotify_init (); |
|
|
3114 | } |
|
|
3115 | |
|
|
3116 | inline_size void |
2569 | infy_init (EV_P) |
3117 | infy_init (EV_P) |
2570 | { |
3118 | { |
2571 | if (fs_fd != -2) |
3119 | if (fs_fd != -2) |
2572 | return; |
3120 | return; |
2573 | |
3121 | |
2574 | fs_fd = -1; |
3122 | fs_fd = -1; |
2575 | |
3123 | |
2576 | check_2625 (EV_A); |
3124 | ev_check_2625 (EV_A); |
2577 | |
3125 | |
2578 | fs_fd = inotify_init (); |
3126 | fs_fd = infy_newfd (); |
2579 | |
3127 | |
2580 | if (fs_fd >= 0) |
3128 | if (fs_fd >= 0) |
2581 | { |
3129 | { |
|
|
3130 | fd_intern (fs_fd); |
2582 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3131 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2583 | ev_set_priority (&fs_w, EV_MAXPRI); |
3132 | ev_set_priority (&fs_w, EV_MAXPRI); |
2584 | ev_io_start (EV_A_ &fs_w); |
3133 | ev_io_start (EV_A_ &fs_w); |
|
|
3134 | ev_unref (EV_A); |
2585 | } |
3135 | } |
2586 | } |
3136 | } |
2587 | |
3137 | |
2588 | void inline_size |
3138 | inline_size void |
2589 | infy_fork (EV_P) |
3139 | infy_fork (EV_P) |
2590 | { |
3140 | { |
2591 | int slot; |
3141 | int slot; |
2592 | |
3142 | |
2593 | if (fs_fd < 0) |
3143 | if (fs_fd < 0) |
2594 | return; |
3144 | return; |
2595 | |
3145 | |
|
|
3146 | ev_ref (EV_A); |
|
|
3147 | ev_io_stop (EV_A_ &fs_w); |
2596 | close (fs_fd); |
3148 | close (fs_fd); |
2597 | fs_fd = inotify_init (); |
3149 | fs_fd = infy_newfd (); |
2598 | |
3150 | |
|
|
3151 | if (fs_fd >= 0) |
|
|
3152 | { |
|
|
3153 | fd_intern (fs_fd); |
|
|
3154 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3155 | ev_io_start (EV_A_ &fs_w); |
|
|
3156 | ev_unref (EV_A); |
|
|
3157 | } |
|
|
3158 | |
2599 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3159 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2600 | { |
3160 | { |
2601 | WL w_ = fs_hash [slot].head; |
3161 | WL w_ = fs_hash [slot].head; |
2602 | fs_hash [slot].head = 0; |
3162 | fs_hash [slot].head = 0; |
2603 | |
3163 | |
2604 | while (w_) |
3164 | while (w_) |
… | |
… | |
2609 | w->wd = -1; |
3169 | w->wd = -1; |
2610 | |
3170 | |
2611 | if (fs_fd >= 0) |
3171 | if (fs_fd >= 0) |
2612 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3172 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2613 | else |
3173 | else |
|
|
3174 | { |
|
|
3175 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3176 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2614 | ev_timer_again (EV_A_ &w->timer); |
3177 | ev_timer_again (EV_A_ &w->timer); |
|
|
3178 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3179 | } |
2615 | } |
3180 | } |
2616 | } |
3181 | } |
2617 | } |
3182 | } |
2618 | |
3183 | |
2619 | #endif |
3184 | #endif |
… | |
… | |
2636 | static void noinline |
3201 | static void noinline |
2637 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3202 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2638 | { |
3203 | { |
2639 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3204 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2640 | |
3205 | |
2641 | /* we copy this here each the time so that */ |
3206 | ev_statdata prev = w->attr; |
2642 | /* prev has the old value when the callback gets invoked */ |
|
|
2643 | w->prev = w->attr; |
|
|
2644 | ev_stat_stat (EV_A_ w); |
3207 | ev_stat_stat (EV_A_ w); |
2645 | |
3208 | |
2646 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3209 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
2647 | if ( |
3210 | if ( |
2648 | w->prev.st_dev != w->attr.st_dev |
3211 | prev.st_dev != w->attr.st_dev |
2649 | || w->prev.st_ino != w->attr.st_ino |
3212 | || prev.st_ino != w->attr.st_ino |
2650 | || w->prev.st_mode != w->attr.st_mode |
3213 | || prev.st_mode != w->attr.st_mode |
2651 | || w->prev.st_nlink != w->attr.st_nlink |
3214 | || prev.st_nlink != w->attr.st_nlink |
2652 | || w->prev.st_uid != w->attr.st_uid |
3215 | || prev.st_uid != w->attr.st_uid |
2653 | || w->prev.st_gid != w->attr.st_gid |
3216 | || prev.st_gid != w->attr.st_gid |
2654 | || w->prev.st_rdev != w->attr.st_rdev |
3217 | || prev.st_rdev != w->attr.st_rdev |
2655 | || w->prev.st_size != w->attr.st_size |
3218 | || prev.st_size != w->attr.st_size |
2656 | || w->prev.st_atime != w->attr.st_atime |
3219 | || prev.st_atime != w->attr.st_atime |
2657 | || w->prev.st_mtime != w->attr.st_mtime |
3220 | || prev.st_mtime != w->attr.st_mtime |
2658 | || w->prev.st_ctime != w->attr.st_ctime |
3221 | || prev.st_ctime != w->attr.st_ctime |
2659 | ) { |
3222 | ) { |
|
|
3223 | /* we only update w->prev on actual differences */ |
|
|
3224 | /* in case we test more often than invoke the callback, */ |
|
|
3225 | /* to ensure that prev is always different to attr */ |
|
|
3226 | w->prev = prev; |
|
|
3227 | |
2660 | #if EV_USE_INOTIFY |
3228 | #if EV_USE_INOTIFY |
2661 | if (fs_fd >= 0) |
3229 | if (fs_fd >= 0) |
2662 | { |
3230 | { |
2663 | infy_del (EV_A_ w); |
3231 | infy_del (EV_A_ w); |
2664 | infy_add (EV_A_ w); |
3232 | infy_add (EV_A_ w); |
… | |
… | |
2689 | |
3257 | |
2690 | if (fs_fd >= 0) |
3258 | if (fs_fd >= 0) |
2691 | infy_add (EV_A_ w); |
3259 | infy_add (EV_A_ w); |
2692 | else |
3260 | else |
2693 | #endif |
3261 | #endif |
|
|
3262 | { |
2694 | ev_timer_again (EV_A_ &w->timer); |
3263 | ev_timer_again (EV_A_ &w->timer); |
|
|
3264 | ev_unref (EV_A); |
|
|
3265 | } |
2695 | |
3266 | |
2696 | ev_start (EV_A_ (W)w, 1); |
3267 | ev_start (EV_A_ (W)w, 1); |
2697 | |
3268 | |
2698 | EV_FREQUENT_CHECK; |
3269 | EV_FREQUENT_CHECK; |
2699 | } |
3270 | } |
… | |
… | |
2708 | EV_FREQUENT_CHECK; |
3279 | EV_FREQUENT_CHECK; |
2709 | |
3280 | |
2710 | #if EV_USE_INOTIFY |
3281 | #if EV_USE_INOTIFY |
2711 | infy_del (EV_A_ w); |
3282 | infy_del (EV_A_ w); |
2712 | #endif |
3283 | #endif |
|
|
3284 | |
|
|
3285 | if (ev_is_active (&w->timer)) |
|
|
3286 | { |
|
|
3287 | ev_ref (EV_A); |
2713 | ev_timer_stop (EV_A_ &w->timer); |
3288 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3289 | } |
2714 | |
3290 | |
2715 | ev_stop (EV_A_ (W)w); |
3291 | ev_stop (EV_A_ (W)w); |
2716 | |
3292 | |
2717 | EV_FREQUENT_CHECK; |
3293 | EV_FREQUENT_CHECK; |
2718 | } |
3294 | } |
… | |
… | |
2763 | |
3339 | |
2764 | EV_FREQUENT_CHECK; |
3340 | EV_FREQUENT_CHECK; |
2765 | } |
3341 | } |
2766 | #endif |
3342 | #endif |
2767 | |
3343 | |
|
|
3344 | #if EV_PREPARE_ENABLE |
2768 | void |
3345 | void |
2769 | ev_prepare_start (EV_P_ ev_prepare *w) |
3346 | ev_prepare_start (EV_P_ ev_prepare *w) |
2770 | { |
3347 | { |
2771 | if (expect_false (ev_is_active (w))) |
3348 | if (expect_false (ev_is_active (w))) |
2772 | return; |
3349 | return; |
… | |
… | |
2798 | |
3375 | |
2799 | ev_stop (EV_A_ (W)w); |
3376 | ev_stop (EV_A_ (W)w); |
2800 | |
3377 | |
2801 | EV_FREQUENT_CHECK; |
3378 | EV_FREQUENT_CHECK; |
2802 | } |
3379 | } |
|
|
3380 | #endif |
2803 | |
3381 | |
|
|
3382 | #if EV_CHECK_ENABLE |
2804 | void |
3383 | void |
2805 | ev_check_start (EV_P_ ev_check *w) |
3384 | ev_check_start (EV_P_ ev_check *w) |
2806 | { |
3385 | { |
2807 | if (expect_false (ev_is_active (w))) |
3386 | if (expect_false (ev_is_active (w))) |
2808 | return; |
3387 | return; |
… | |
… | |
2834 | |
3413 | |
2835 | ev_stop (EV_A_ (W)w); |
3414 | ev_stop (EV_A_ (W)w); |
2836 | |
3415 | |
2837 | EV_FREQUENT_CHECK; |
3416 | EV_FREQUENT_CHECK; |
2838 | } |
3417 | } |
|
|
3418 | #endif |
2839 | |
3419 | |
2840 | #if EV_EMBED_ENABLE |
3420 | #if EV_EMBED_ENABLE |
2841 | void noinline |
3421 | void noinline |
2842 | ev_embed_sweep (EV_P_ ev_embed *w) |
3422 | ev_embed_sweep (EV_P_ ev_embed *w) |
2843 | { |
3423 | { |
2844 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3424 | ev_run (w->other, EVRUN_NOWAIT); |
2845 | } |
3425 | } |
2846 | |
3426 | |
2847 | static void |
3427 | static void |
2848 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3428 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2849 | { |
3429 | { |
2850 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3430 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2851 | |
3431 | |
2852 | if (ev_cb (w)) |
3432 | if (ev_cb (w)) |
2853 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3433 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2854 | else |
3434 | else |
2855 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3435 | ev_run (w->other, EVRUN_NOWAIT); |
2856 | } |
3436 | } |
2857 | |
3437 | |
2858 | static void |
3438 | static void |
2859 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3439 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
2860 | { |
3440 | { |
2861 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3441 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
2862 | |
3442 | |
2863 | { |
3443 | { |
2864 | struct ev_loop *loop = w->other; |
3444 | EV_P = w->other; |
2865 | |
3445 | |
2866 | while (fdchangecnt) |
3446 | while (fdchangecnt) |
2867 | { |
3447 | { |
2868 | fd_reify (EV_A); |
3448 | fd_reify (EV_A); |
2869 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3449 | ev_run (EV_A_ EVRUN_NOWAIT); |
2870 | } |
3450 | } |
2871 | } |
3451 | } |
2872 | } |
3452 | } |
2873 | |
3453 | |
2874 | static void |
3454 | static void |
2875 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
3455 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
2876 | { |
3456 | { |
2877 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3457 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
2878 | |
3458 | |
|
|
3459 | ev_embed_stop (EV_A_ w); |
|
|
3460 | |
2879 | { |
3461 | { |
2880 | struct ev_loop *loop = w->other; |
3462 | EV_P = w->other; |
2881 | |
3463 | |
2882 | ev_loop_fork (EV_A); |
3464 | ev_loop_fork (EV_A); |
|
|
3465 | ev_run (EV_A_ EVRUN_NOWAIT); |
2883 | } |
3466 | } |
|
|
3467 | |
|
|
3468 | ev_embed_start (EV_A_ w); |
2884 | } |
3469 | } |
2885 | |
3470 | |
2886 | #if 0 |
3471 | #if 0 |
2887 | static void |
3472 | static void |
2888 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
3473 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
… | |
… | |
2896 | { |
3481 | { |
2897 | if (expect_false (ev_is_active (w))) |
3482 | if (expect_false (ev_is_active (w))) |
2898 | return; |
3483 | return; |
2899 | |
3484 | |
2900 | { |
3485 | { |
2901 | struct ev_loop *loop = w->other; |
3486 | EV_P = w->other; |
2902 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3487 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2903 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3488 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2904 | } |
3489 | } |
2905 | |
3490 | |
2906 | EV_FREQUENT_CHECK; |
3491 | EV_FREQUENT_CHECK; |
2907 | |
3492 | |
… | |
… | |
2933 | |
3518 | |
2934 | ev_io_stop (EV_A_ &w->io); |
3519 | ev_io_stop (EV_A_ &w->io); |
2935 | ev_prepare_stop (EV_A_ &w->prepare); |
3520 | ev_prepare_stop (EV_A_ &w->prepare); |
2936 | ev_fork_stop (EV_A_ &w->fork); |
3521 | ev_fork_stop (EV_A_ &w->fork); |
2937 | |
3522 | |
|
|
3523 | ev_stop (EV_A_ (W)w); |
|
|
3524 | |
2938 | EV_FREQUENT_CHECK; |
3525 | EV_FREQUENT_CHECK; |
2939 | } |
3526 | } |
2940 | #endif |
3527 | #endif |
2941 | |
3528 | |
2942 | #if EV_FORK_ENABLE |
3529 | #if EV_FORK_ENABLE |
… | |
… | |
2982 | ev_async_start (EV_P_ ev_async *w) |
3569 | ev_async_start (EV_P_ ev_async *w) |
2983 | { |
3570 | { |
2984 | if (expect_false (ev_is_active (w))) |
3571 | if (expect_false (ev_is_active (w))) |
2985 | return; |
3572 | return; |
2986 | |
3573 | |
|
|
3574 | w->sent = 0; |
|
|
3575 | |
2987 | evpipe_init (EV_A); |
3576 | evpipe_init (EV_A); |
2988 | |
3577 | |
2989 | EV_FREQUENT_CHECK; |
3578 | EV_FREQUENT_CHECK; |
2990 | |
3579 | |
2991 | ev_start (EV_A_ (W)w, ++asynccnt); |
3580 | ev_start (EV_A_ (W)w, ++asynccnt); |
… | |
… | |
3018 | |
3607 | |
3019 | void |
3608 | void |
3020 | ev_async_send (EV_P_ ev_async *w) |
3609 | ev_async_send (EV_P_ ev_async *w) |
3021 | { |
3610 | { |
3022 | w->sent = 1; |
3611 | w->sent = 1; |
3023 | evpipe_write (EV_A_ &gotasync); |
3612 | evpipe_write (EV_A_ &async_pending); |
3024 | } |
3613 | } |
3025 | #endif |
3614 | #endif |
3026 | |
3615 | |
3027 | /*****************************************************************************/ |
3616 | /*****************************************************************************/ |
3028 | |
3617 | |
… | |
… | |
3068 | { |
3657 | { |
3069 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3658 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3070 | |
3659 | |
3071 | if (expect_false (!once)) |
3660 | if (expect_false (!once)) |
3072 | { |
3661 | { |
3073 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3662 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3074 | return; |
3663 | return; |
3075 | } |
3664 | } |
3076 | |
3665 | |
3077 | once->cb = cb; |
3666 | once->cb = cb; |
3078 | once->arg = arg; |
3667 | once->arg = arg; |
… | |
… | |
3090 | ev_timer_set (&once->to, timeout, 0.); |
3679 | ev_timer_set (&once->to, timeout, 0.); |
3091 | ev_timer_start (EV_A_ &once->to); |
3680 | ev_timer_start (EV_A_ &once->to); |
3092 | } |
3681 | } |
3093 | } |
3682 | } |
3094 | |
3683 | |
|
|
3684 | /*****************************************************************************/ |
|
|
3685 | |
|
|
3686 | #if EV_WALK_ENABLE |
|
|
3687 | void |
|
|
3688 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3689 | { |
|
|
3690 | int i, j; |
|
|
3691 | ev_watcher_list *wl, *wn; |
|
|
3692 | |
|
|
3693 | if (types & (EV_IO | EV_EMBED)) |
|
|
3694 | for (i = 0; i < anfdmax; ++i) |
|
|
3695 | for (wl = anfds [i].head; wl; ) |
|
|
3696 | { |
|
|
3697 | wn = wl->next; |
|
|
3698 | |
|
|
3699 | #if EV_EMBED_ENABLE |
|
|
3700 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3701 | { |
|
|
3702 | if (types & EV_EMBED) |
|
|
3703 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3704 | } |
|
|
3705 | else |
|
|
3706 | #endif |
|
|
3707 | #if EV_USE_INOTIFY |
|
|
3708 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3709 | ; |
|
|
3710 | else |
|
|
3711 | #endif |
|
|
3712 | if ((ev_io *)wl != &pipe_w) |
|
|
3713 | if (types & EV_IO) |
|
|
3714 | cb (EV_A_ EV_IO, wl); |
|
|
3715 | |
|
|
3716 | wl = wn; |
|
|
3717 | } |
|
|
3718 | |
|
|
3719 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3720 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3721 | #if EV_STAT_ENABLE |
|
|
3722 | /*TODO: timer is not always active*/ |
|
|
3723 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3724 | { |
|
|
3725 | if (types & EV_STAT) |
|
|
3726 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3727 | } |
|
|
3728 | else |
|
|
3729 | #endif |
|
|
3730 | if (types & EV_TIMER) |
|
|
3731 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3732 | |
|
|
3733 | #if EV_PERIODIC_ENABLE |
|
|
3734 | if (types & EV_PERIODIC) |
|
|
3735 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3736 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3737 | #endif |
|
|
3738 | |
|
|
3739 | #if EV_IDLE_ENABLE |
|
|
3740 | if (types & EV_IDLE) |
|
|
3741 | for (j = NUMPRI; i--; ) |
|
|
3742 | for (i = idlecnt [j]; i--; ) |
|
|
3743 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3744 | #endif |
|
|
3745 | |
|
|
3746 | #if EV_FORK_ENABLE |
|
|
3747 | if (types & EV_FORK) |
|
|
3748 | for (i = forkcnt; i--; ) |
|
|
3749 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3750 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3751 | #endif |
|
|
3752 | |
|
|
3753 | #if EV_ASYNC_ENABLE |
|
|
3754 | if (types & EV_ASYNC) |
|
|
3755 | for (i = asynccnt; i--; ) |
|
|
3756 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3757 | #endif |
|
|
3758 | |
|
|
3759 | #if EV_PREPARE_ENABLE |
|
|
3760 | if (types & EV_PREPARE) |
|
|
3761 | for (i = preparecnt; i--; ) |
|
|
3762 | # if EV_EMBED_ENABLE |
|
|
3763 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3764 | # endif |
|
|
3765 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3766 | #endif |
|
|
3767 | |
|
|
3768 | #if EV_CHECK_ENABLE |
|
|
3769 | if (types & EV_CHECK) |
|
|
3770 | for (i = checkcnt; i--; ) |
|
|
3771 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3772 | #endif |
|
|
3773 | |
|
|
3774 | #if EV_SIGNAL_ENABLE |
|
|
3775 | if (types & EV_SIGNAL) |
|
|
3776 | for (i = 0; i < EV_NSIG - 1; ++i) |
|
|
3777 | for (wl = signals [i].head; wl; ) |
|
|
3778 | { |
|
|
3779 | wn = wl->next; |
|
|
3780 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3781 | wl = wn; |
|
|
3782 | } |
|
|
3783 | #endif |
|
|
3784 | |
|
|
3785 | #if EV_CHILD_ENABLE |
|
|
3786 | if (types & EV_CHILD) |
|
|
3787 | for (i = (EV_PID_HASHSIZE); i--; ) |
|
|
3788 | for (wl = childs [i]; wl; ) |
|
|
3789 | { |
|
|
3790 | wn = wl->next; |
|
|
3791 | cb (EV_A_ EV_CHILD, wl); |
|
|
3792 | wl = wn; |
|
|
3793 | } |
|
|
3794 | #endif |
|
|
3795 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3796 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3797 | } |
|
|
3798 | #endif |
|
|
3799 | |
3095 | #if EV_MULTIPLICITY |
3800 | #if EV_MULTIPLICITY |
3096 | #include "ev_wrap.h" |
3801 | #include "ev_wrap.h" |
3097 | #endif |
3802 | #endif |
3098 | |
3803 | |
3099 | #ifdef __cplusplus |
3804 | EV_CPP(}) |
3100 | } |
|
|
3101 | #endif |
|
|
3102 | |
3805 | |