… | |
… | |
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 |
… | |
… | |
77 | # ifndef EV_USE_REALTIME |
73 | # ifndef EV_USE_REALTIME |
78 | # define EV_USE_REALTIME 0 |
74 | # define EV_USE_REALTIME 0 |
79 | # endif |
75 | # endif |
80 | # endif |
76 | # endif |
81 | |
77 | |
|
|
78 | # if HAVE_NANOSLEEP |
82 | # ifndef EV_USE_NANOSLEEP |
79 | # ifndef EV_USE_NANOSLEEP |
83 | # if HAVE_NANOSLEEP |
|
|
84 | # define EV_USE_NANOSLEEP 1 |
80 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
81 | # endif |
85 | # else |
82 | # else |
|
|
83 | # undef EV_USE_NANOSLEEP |
86 | # 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 |
87 | # endif |
90 | # endif |
|
|
91 | # else |
|
|
92 | # undef EV_USE_SELECT |
|
|
93 | # define EV_USE_SELECT 0 |
88 | # endif |
94 | # endif |
89 | |
95 | |
|
|
96 | # if HAVE_POLL && HAVE_POLL_H |
90 | # ifndef EV_USE_SELECT |
97 | # ifndef EV_USE_POLL |
91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
98 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
92 | # define EV_USE_SELECT 1 |
|
|
93 | # else |
|
|
94 | # define EV_USE_SELECT 0 |
|
|
95 | # endif |
99 | # endif |
96 | # endif |
|
|
97 | |
|
|
98 | # ifndef EV_USE_POLL |
|
|
99 | # if HAVE_POLL && HAVE_POLL_H |
|
|
100 | # define EV_USE_POLL 1 |
|
|
101 | # else |
100 | # else |
|
|
101 | # undef EV_USE_POLL |
102 | # define EV_USE_POLL 0 |
102 | # define EV_USE_POLL 0 |
103 | # endif |
|
|
104 | # endif |
103 | # endif |
105 | |
104 | |
106 | # ifndef EV_USE_EPOLL |
|
|
107 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
105 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
108 | # define EV_USE_EPOLL 1 |
106 | # ifndef EV_USE_EPOLL |
109 | # else |
107 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
110 | # define EV_USE_EPOLL 0 |
|
|
111 | # endif |
108 | # endif |
|
|
109 | # else |
|
|
110 | # undef EV_USE_EPOLL |
|
|
111 | # define EV_USE_EPOLL 0 |
112 | # endif |
112 | # endif |
113 | |
113 | |
114 | # ifndef EV_USE_KQUEUE |
|
|
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
114 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
116 | # define EV_USE_KQUEUE 1 |
115 | # ifndef EV_USE_KQUEUE |
117 | # else |
116 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
118 | # define EV_USE_KQUEUE 0 |
|
|
119 | # endif |
117 | # endif |
|
|
118 | # else |
|
|
119 | # undef EV_USE_KQUEUE |
|
|
120 | # define EV_USE_KQUEUE 0 |
120 | # endif |
121 | # endif |
121 | |
122 | |
122 | # ifndef EV_USE_PORT |
|
|
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
124 | # define EV_USE_PORT 1 |
124 | # ifndef EV_USE_PORT |
125 | # else |
125 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
126 | # define EV_USE_PORT 0 |
|
|
127 | # endif |
126 | # endif |
|
|
127 | # else |
|
|
128 | # undef EV_USE_PORT |
|
|
129 | # define EV_USE_PORT 0 |
128 | # endif |
130 | # endif |
129 | |
131 | |
130 | # ifndef EV_USE_INOTIFY |
|
|
131 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # define EV_USE_INOTIFY 1 |
133 | # ifndef EV_USE_INOTIFY |
133 | # else |
|
|
134 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY EV_FEATURE_OS |
135 | # endif |
135 | # endif |
|
|
136 | # else |
|
|
137 | # undef EV_USE_INOTIFY |
|
|
138 | # define EV_USE_INOTIFY 0 |
136 | # endif |
139 | # endif |
137 | |
140 | |
138 | # ifndef EV_USE_SIGNALFD |
|
|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
141 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
140 | # define EV_USE_SIGNALFD 1 |
142 | # ifndef EV_USE_SIGNALFD |
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
143 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
143 | # endif |
144 | # endif |
|
|
145 | # else |
|
|
146 | # undef EV_USE_SIGNALFD |
|
|
147 | # define EV_USE_SIGNALFD 0 |
144 | # endif |
148 | # endif |
145 | |
149 | |
|
|
150 | # if HAVE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
151 | # ifndef EV_USE_EVENTFD |
147 | # if HAVE_EVENTFD |
|
|
148 | # define EV_USE_EVENTFD 1 |
152 | # define EV_USE_EVENTFD EV_FEATURE_OS |
149 | # else |
|
|
150 | # define EV_USE_EVENTFD 0 |
|
|
151 | # endif |
153 | # endif |
|
|
154 | # else |
|
|
155 | # undef EV_USE_EVENTFD |
|
|
156 | # define EV_USE_EVENTFD 0 |
152 | # endif |
157 | # endif |
153 | |
158 | |
154 | #endif |
159 | #endif |
155 | |
160 | |
156 | #include <math.h> |
161 | #include <math.h> |
… | |
… | |
172 | #ifdef EV_H |
177 | #ifdef EV_H |
173 | # include EV_H |
178 | # include EV_H |
174 | #else |
179 | #else |
175 | # include "ev.h" |
180 | # include "ev.h" |
176 | #endif |
181 | #endif |
|
|
182 | |
|
|
183 | EV_CPP(extern "C" {) |
177 | |
184 | |
178 | #ifndef _WIN32 |
185 | #ifndef _WIN32 |
179 | # include <sys/time.h> |
186 | # include <sys/time.h> |
180 | # include <sys/wait.h> |
187 | # include <sys/wait.h> |
181 | # include <unistd.h> |
188 | # include <unistd.h> |
… | |
… | |
184 | # define WIN32_LEAN_AND_MEAN |
191 | # define WIN32_LEAN_AND_MEAN |
185 | # include <windows.h> |
192 | # include <windows.h> |
186 | # ifndef EV_SELECT_IS_WINSOCKET |
193 | # ifndef EV_SELECT_IS_WINSOCKET |
187 | # define EV_SELECT_IS_WINSOCKET 1 |
194 | # define EV_SELECT_IS_WINSOCKET 1 |
188 | # endif |
195 | # endif |
|
|
196 | # undef EV_AVOID_STDIO |
189 | #endif |
197 | #endif |
|
|
198 | |
|
|
199 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
200 | * a limit of 1024 into their select. Where people have brains, |
|
|
201 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
202 | * ordered to have a vacuum, or they do anything for money. |
|
|
203 | * This might help. Or not. |
|
|
204 | */ |
|
|
205 | #define _DARWIN_UNLIMITED_SELECT 1 |
190 | |
206 | |
191 | /* 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 */ |
192 | |
208 | |
193 | /* try to deduce the maximum number of signals on this platform */ |
209 | /* try to deduce the maximum number of signals on this platform */ |
194 | #if defined (EV_NSIG) |
210 | #if defined (EV_NSIG) |
… | |
… | |
206 | #elif defined (MAXSIG) |
222 | #elif defined (MAXSIG) |
207 | # define EV_NSIG (MAXSIG+1) |
223 | # define EV_NSIG (MAXSIG+1) |
208 | #elif defined (MAX_SIG) |
224 | #elif defined (MAX_SIG) |
209 | # define EV_NSIG (MAX_SIG+1) |
225 | # define EV_NSIG (MAX_SIG+1) |
210 | #elif defined (SIGARRAYSIZE) |
226 | #elif defined (SIGARRAYSIZE) |
211 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
227 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
212 | #elif defined (_sys_nsig) |
228 | #elif defined (_sys_nsig) |
213 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
229 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
214 | #else |
230 | #else |
215 | # error "unable to find value for NSIG, please report" |
231 | # error "unable to find value for NSIG, please report" |
216 | /* to make it compile regardless, just remove the above line */ |
232 | /* to make it compile regardless, just remove the above line, */ |
|
|
233 | /* but consider reporting it, too! :) */ |
217 | # define EV_NSIG 65 |
234 | # define EV_NSIG 65 |
218 | #endif |
235 | #endif |
219 | |
236 | |
220 | #ifndef EV_USE_CLOCK_SYSCALL |
237 | #ifndef EV_USE_CLOCK_SYSCALL |
221 | # if __linux && __GLIBC__ >= 2 |
238 | # if __linux && __GLIBC__ >= 2 |
222 | # define EV_USE_CLOCK_SYSCALL 1 |
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
223 | # else |
240 | # else |
224 | # define EV_USE_CLOCK_SYSCALL 0 |
241 | # define EV_USE_CLOCK_SYSCALL 0 |
225 | # endif |
242 | # endif |
226 | #endif |
243 | #endif |
227 | |
244 | |
228 | #ifndef EV_USE_MONOTONIC |
245 | #ifndef EV_USE_MONOTONIC |
229 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
230 | # define EV_USE_MONOTONIC 1 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
231 | # else |
248 | # else |
232 | # define EV_USE_MONOTONIC 0 |
249 | # define EV_USE_MONOTONIC 0 |
233 | # endif |
250 | # endif |
234 | #endif |
251 | #endif |
235 | |
252 | |
… | |
… | |
237 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
254 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
238 | #endif |
255 | #endif |
239 | |
256 | |
240 | #ifndef EV_USE_NANOSLEEP |
257 | #ifndef EV_USE_NANOSLEEP |
241 | # if _POSIX_C_SOURCE >= 199309L |
258 | # if _POSIX_C_SOURCE >= 199309L |
242 | # define EV_USE_NANOSLEEP 1 |
259 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
243 | # else |
260 | # else |
244 | # define EV_USE_NANOSLEEP 0 |
261 | # define EV_USE_NANOSLEEP 0 |
245 | # endif |
262 | # endif |
246 | #endif |
263 | #endif |
247 | |
264 | |
248 | #ifndef EV_USE_SELECT |
265 | #ifndef EV_USE_SELECT |
249 | # define EV_USE_SELECT 1 |
266 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
250 | #endif |
267 | #endif |
251 | |
268 | |
252 | #ifndef EV_USE_POLL |
269 | #ifndef EV_USE_POLL |
253 | # ifdef _WIN32 |
270 | # ifdef _WIN32 |
254 | # define EV_USE_POLL 0 |
271 | # define EV_USE_POLL 0 |
255 | # else |
272 | # else |
256 | # define EV_USE_POLL 1 |
273 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
257 | # endif |
274 | # endif |
258 | #endif |
275 | #endif |
259 | |
276 | |
260 | #ifndef EV_USE_EPOLL |
277 | #ifndef EV_USE_EPOLL |
261 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
262 | # define EV_USE_EPOLL 1 |
279 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
263 | # else |
280 | # else |
264 | # define EV_USE_EPOLL 0 |
281 | # define EV_USE_EPOLL 0 |
265 | # endif |
282 | # endif |
266 | #endif |
283 | #endif |
267 | |
284 | |
… | |
… | |
273 | # define EV_USE_PORT 0 |
290 | # define EV_USE_PORT 0 |
274 | #endif |
291 | #endif |
275 | |
292 | |
276 | #ifndef EV_USE_INOTIFY |
293 | #ifndef EV_USE_INOTIFY |
277 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
294 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # define EV_USE_INOTIFY 1 |
295 | # define EV_USE_INOTIFY EV_FEATURE_OS |
279 | # else |
296 | # else |
280 | # define EV_USE_INOTIFY 0 |
297 | # define EV_USE_INOTIFY 0 |
281 | # endif |
298 | # endif |
282 | #endif |
299 | #endif |
283 | |
300 | |
284 | #ifndef EV_PID_HASHSIZE |
301 | #ifndef EV_PID_HASHSIZE |
285 | # if EV_MINIMAL |
302 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
286 | # define EV_PID_HASHSIZE 1 |
|
|
287 | # else |
|
|
288 | # define EV_PID_HASHSIZE 16 |
|
|
289 | # endif |
|
|
290 | #endif |
303 | #endif |
291 | |
304 | |
292 | #ifndef EV_INOTIFY_HASHSIZE |
305 | #ifndef EV_INOTIFY_HASHSIZE |
293 | # if EV_MINIMAL |
306 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
294 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
295 | # else |
|
|
296 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
297 | # endif |
|
|
298 | #endif |
307 | #endif |
299 | |
308 | |
300 | #ifndef EV_USE_EVENTFD |
309 | #ifndef EV_USE_EVENTFD |
301 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
302 | # define EV_USE_EVENTFD 1 |
311 | # define EV_USE_EVENTFD EV_FEATURE_OS |
303 | # else |
312 | # else |
304 | # define EV_USE_EVENTFD 0 |
313 | # define EV_USE_EVENTFD 0 |
305 | # endif |
314 | # endif |
306 | #endif |
315 | #endif |
307 | |
316 | |
308 | #ifndef EV_USE_SIGNALFD |
317 | #ifndef EV_USE_SIGNALFD |
309 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
318 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # define EV_USE_SIGNALFD 1 |
319 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
311 | # else |
320 | # else |
312 | # define EV_USE_SIGNALFD 0 |
321 | # define EV_USE_SIGNALFD 0 |
313 | # endif |
322 | # endif |
314 | #endif |
323 | #endif |
315 | |
324 | |
… | |
… | |
318 | # define EV_USE_4HEAP 1 |
327 | # define EV_USE_4HEAP 1 |
319 | # define EV_HEAP_CACHE_AT 1 |
328 | # define EV_HEAP_CACHE_AT 1 |
320 | #endif |
329 | #endif |
321 | |
330 | |
322 | #ifndef EV_VERIFY |
331 | #ifndef EV_VERIFY |
323 | # define EV_VERIFY !EV_MINIMAL |
332 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
324 | #endif |
333 | #endif |
325 | |
334 | |
326 | #ifndef EV_USE_4HEAP |
335 | #ifndef EV_USE_4HEAP |
327 | # define EV_USE_4HEAP !EV_MINIMAL |
336 | # define EV_USE_4HEAP EV_FEATURE_DATA |
328 | #endif |
337 | #endif |
329 | |
338 | |
330 | #ifndef EV_HEAP_CACHE_AT |
339 | #ifndef EV_HEAP_CACHE_AT |
331 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
340 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
332 | #endif |
341 | #endif |
333 | |
342 | |
334 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
343 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
335 | /* which makes programs even slower. might work on other unices, too. */ |
344 | /* which makes programs even slower. might work on other unices, too. */ |
336 | #if EV_USE_CLOCK_SYSCALL |
345 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
400 | # define EFD_CLOEXEC O_CLOEXEC |
409 | # define EFD_CLOEXEC O_CLOEXEC |
401 | # else |
410 | # else |
402 | # define EFD_CLOEXEC 02000000 |
411 | # define EFD_CLOEXEC 02000000 |
403 | # endif |
412 | # endif |
404 | # endif |
413 | # endif |
405 | # ifdef __cplusplus |
|
|
406 | extern "C" { |
|
|
407 | # endif |
|
|
408 | int (eventfd) (unsigned int initval, int flags); |
414 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
409 | # ifdef __cplusplus |
|
|
410 | } |
|
|
411 | # endif |
|
|
412 | #endif |
415 | #endif |
413 | |
416 | |
414 | #if EV_USE_SIGNALFD |
417 | #if EV_USE_SIGNALFD |
415 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
418 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
416 | # include <stdint.h> |
419 | # include <stdint.h> |
… | |
… | |
422 | # define SFD_CLOEXEC O_CLOEXEC |
425 | # define SFD_CLOEXEC O_CLOEXEC |
423 | # else |
426 | # else |
424 | # define SFD_CLOEXEC 02000000 |
427 | # define SFD_CLOEXEC 02000000 |
425 | # endif |
428 | # endif |
426 | # endif |
429 | # endif |
427 | # ifdef __cplusplus |
|
|
428 | extern "C" { |
|
|
429 | # endif |
|
|
430 | int signalfd (int fd, const sigset_t *mask, int flags); |
430 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
431 | |
431 | |
432 | struct signalfd_siginfo |
432 | struct signalfd_siginfo |
433 | { |
433 | { |
434 | uint32_t ssi_signo; |
434 | uint32_t ssi_signo; |
435 | char pad[128 - sizeof (uint32_t)]; |
435 | char pad[128 - sizeof (uint32_t)]; |
436 | }; |
436 | }; |
437 | # ifdef __cplusplus |
|
|
438 | } |
|
|
439 | # endif |
437 | #endif |
440 | #endif |
|
|
441 | |
|
|
442 | |
438 | |
443 | /**/ |
439 | /**/ |
444 | |
440 | |
445 | #if EV_VERIFY >= 3 |
441 | #if EV_VERIFY >= 3 |
446 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
442 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
447 | #else |
443 | #else |
448 | # define EV_FREQUENT_CHECK do { } while (0) |
444 | # define EV_FREQUENT_CHECK do { } while (0) |
449 | #endif |
445 | #endif |
450 | |
446 | |
451 | /* |
447 | /* |
… | |
… | |
459 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
455 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
460 | |
456 | |
461 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
457 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
462 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
458 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
463 | |
459 | |
|
|
460 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
461 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
462 | |
464 | #if __GNUC__ >= 4 |
463 | #if __GNUC__ >= 4 |
465 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
464 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
466 | # define noinline __attribute__ ((noinline)) |
465 | # define noinline __attribute__ ((noinline)) |
467 | #else |
466 | #else |
468 | # define expect(expr,value) (expr) |
467 | # define expect(expr,value) (expr) |
… | |
… | |
474 | |
473 | |
475 | #define expect_false(expr) expect ((expr) != 0, 0) |
474 | #define expect_false(expr) expect ((expr) != 0, 0) |
476 | #define expect_true(expr) expect ((expr) != 0, 1) |
475 | #define expect_true(expr) expect ((expr) != 0, 1) |
477 | #define inline_size static inline |
476 | #define inline_size static inline |
478 | |
477 | |
479 | #if EV_MINIMAL |
478 | #if EV_FEATURE_CODE |
|
|
479 | # define inline_speed static inline |
|
|
480 | #else |
480 | # define inline_speed static noinline |
481 | # define inline_speed static noinline |
481 | #else |
|
|
482 | # define inline_speed static inline |
|
|
483 | #endif |
482 | #endif |
484 | |
483 | |
485 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
484 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
486 | |
485 | |
487 | #if EV_MINPRI == EV_MAXPRI |
486 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
500 | #define ev_active(w) ((W)(w))->active |
499 | #define ev_active(w) ((W)(w))->active |
501 | #define ev_at(w) ((WT)(w))->at |
500 | #define ev_at(w) ((WT)(w))->at |
502 | |
501 | |
503 | #if EV_USE_REALTIME |
502 | #if EV_USE_REALTIME |
504 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
503 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
505 | /* giving it a reasonably high chance of working on typical architetcures */ |
504 | /* giving it a reasonably high chance of working on typical architectures */ |
506 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
505 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
507 | #endif |
506 | #endif |
508 | |
507 | |
509 | #if EV_USE_MONOTONIC |
508 | #if EV_USE_MONOTONIC |
510 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
509 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
… | |
… | |
523 | #ifdef _WIN32 |
522 | #ifdef _WIN32 |
524 | # include "ev_win32.c" |
523 | # include "ev_win32.c" |
525 | #endif |
524 | #endif |
526 | |
525 | |
527 | /*****************************************************************************/ |
526 | /*****************************************************************************/ |
|
|
527 | |
|
|
528 | #if EV_AVOID_STDIO |
|
|
529 | static void noinline |
|
|
530 | ev_printerr (const char *msg) |
|
|
531 | { |
|
|
532 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
533 | } |
|
|
534 | #endif |
528 | |
535 | |
529 | static void (*syserr_cb)(const char *msg); |
536 | static void (*syserr_cb)(const char *msg); |
530 | |
537 | |
531 | void |
538 | void |
532 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
539 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
542 | |
549 | |
543 | if (syserr_cb) |
550 | if (syserr_cb) |
544 | syserr_cb (msg); |
551 | syserr_cb (msg); |
545 | else |
552 | else |
546 | { |
553 | { |
|
|
554 | #if EV_AVOID_STDIO |
|
|
555 | const char *err = strerror (errno); |
|
|
556 | |
|
|
557 | ev_printerr (msg); |
|
|
558 | ev_printerr (": "); |
|
|
559 | ev_printerr (err); |
|
|
560 | ev_printerr ("\n"); |
|
|
561 | #else |
547 | perror (msg); |
562 | perror (msg); |
|
|
563 | #endif |
548 | abort (); |
564 | abort (); |
549 | } |
565 | } |
550 | } |
566 | } |
551 | |
567 | |
552 | static void * |
568 | static void * |
553 | ev_realloc_emul (void *ptr, long size) |
569 | ev_realloc_emul (void *ptr, long size) |
554 | { |
570 | { |
|
|
571 | #if __GLIBC__ |
|
|
572 | return realloc (ptr, size); |
|
|
573 | #else |
555 | /* some systems, notably openbsd and darwin, fail to properly |
574 | /* some systems, notably openbsd and darwin, fail to properly |
556 | * implement realloc (x, 0) (as required by both ansi c-98 and |
575 | * implement realloc (x, 0) (as required by both ansi c-89 and |
557 | * the single unix specification, so work around them here. |
576 | * the single unix specification, so work around them here. |
558 | */ |
577 | */ |
559 | |
578 | |
560 | if (size) |
579 | if (size) |
561 | return realloc (ptr, size); |
580 | return realloc (ptr, size); |
562 | |
581 | |
563 | free (ptr); |
582 | free (ptr); |
564 | return 0; |
583 | return 0; |
|
|
584 | #endif |
565 | } |
585 | } |
566 | |
586 | |
567 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
587 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
568 | |
588 | |
569 | void |
589 | void |
… | |
… | |
577 | { |
597 | { |
578 | ptr = alloc (ptr, size); |
598 | ptr = alloc (ptr, size); |
579 | |
599 | |
580 | if (!ptr && size) |
600 | if (!ptr && size) |
581 | { |
601 | { |
|
|
602 | #if EV_AVOID_STDIO |
|
|
603 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
|
|
604 | #else |
582 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
605 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
606 | #endif |
583 | abort (); |
607 | abort (); |
584 | } |
608 | } |
585 | |
609 | |
586 | return ptr; |
610 | return ptr; |
587 | } |
611 | } |
… | |
… | |
669 | |
693 | |
670 | static int ev_default_loop_ptr; |
694 | static int ev_default_loop_ptr; |
671 | |
695 | |
672 | #endif |
696 | #endif |
673 | |
697 | |
674 | #if EV_MINIMAL < 2 |
698 | #if EV_FEATURE_API |
675 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
699 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
676 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
700 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
677 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
701 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
678 | #else |
702 | #else |
679 | # define EV_RELEASE_CB (void)0 |
703 | # define EV_RELEASE_CB (void)0 |
680 | # define EV_ACQUIRE_CB (void)0 |
704 | # define EV_ACQUIRE_CB (void)0 |
681 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
705 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
682 | #endif |
706 | #endif |
683 | |
707 | |
684 | #define EVUNLOOP_RECURSE 0x80 |
708 | #define EVBREAK_RECURSE 0x80 |
685 | |
709 | |
686 | /*****************************************************************************/ |
710 | /*****************************************************************************/ |
687 | |
711 | |
688 | #ifndef EV_HAVE_EV_TIME |
712 | #ifndef EV_HAVE_EV_TIME |
689 | ev_tstamp |
713 | ev_tstamp |
… | |
… | |
733 | if (delay > 0.) |
757 | if (delay > 0.) |
734 | { |
758 | { |
735 | #if EV_USE_NANOSLEEP |
759 | #if EV_USE_NANOSLEEP |
736 | struct timespec ts; |
760 | struct timespec ts; |
737 | |
761 | |
738 | ts.tv_sec = (time_t)delay; |
762 | EV_TS_SET (ts, delay); |
739 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
740 | |
|
|
741 | nanosleep (&ts, 0); |
763 | nanosleep (&ts, 0); |
742 | #elif defined(_WIN32) |
764 | #elif defined(_WIN32) |
743 | Sleep ((unsigned long)(delay * 1e3)); |
765 | Sleep ((unsigned long)(delay * 1e3)); |
744 | #else |
766 | #else |
745 | struct timeval tv; |
767 | struct timeval tv; |
746 | |
768 | |
747 | tv.tv_sec = (time_t)delay; |
|
|
748 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
749 | |
|
|
750 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
769 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
751 | /* something not guaranteed by newer posix versions, but guaranteed */ |
770 | /* something not guaranteed by newer posix versions, but guaranteed */ |
752 | /* by older ones */ |
771 | /* by older ones */ |
|
|
772 | EV_TV_SET (tv, delay); |
753 | select (0, 0, 0, 0, &tv); |
773 | select (0, 0, 0, 0, &tv); |
754 | #endif |
774 | #endif |
755 | } |
775 | } |
756 | } |
776 | } |
757 | |
777 | |
758 | /*****************************************************************************/ |
778 | /*****************************************************************************/ |
759 | |
779 | |
760 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
780 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
761 | |
781 | |
762 | /* find a suitable new size for the given array, */ |
782 | /* find a suitable new size for the given array, */ |
763 | /* hopefully by rounding to a ncie-to-malloc size */ |
783 | /* hopefully by rounding to a nice-to-malloc size */ |
764 | inline_size int |
784 | inline_size int |
765 | array_nextsize (int elem, int cur, int cnt) |
785 | array_nextsize (int elem, int cur, int cnt) |
766 | { |
786 | { |
767 | int ncur = cur + 1; |
787 | int ncur = cur + 1; |
768 | |
788 | |
… | |
… | |
864 | } |
884 | } |
865 | |
885 | |
866 | /*****************************************************************************/ |
886 | /*****************************************************************************/ |
867 | |
887 | |
868 | inline_speed void |
888 | inline_speed void |
869 | fd_event_nc (EV_P_ int fd, int revents) |
889 | fd_event_nocheck (EV_P_ int fd, int revents) |
870 | { |
890 | { |
871 | ANFD *anfd = anfds + fd; |
891 | ANFD *anfd = anfds + fd; |
872 | ev_io *w; |
892 | ev_io *w; |
873 | |
893 | |
874 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
894 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
886 | fd_event (EV_P_ int fd, int revents) |
906 | fd_event (EV_P_ int fd, int revents) |
887 | { |
907 | { |
888 | ANFD *anfd = anfds + fd; |
908 | ANFD *anfd = anfds + fd; |
889 | |
909 | |
890 | if (expect_true (!anfd->reify)) |
910 | if (expect_true (!anfd->reify)) |
891 | fd_event_nc (EV_A_ fd, revents); |
911 | fd_event_nocheck (EV_A_ fd, revents); |
892 | } |
912 | } |
893 | |
913 | |
894 | void |
914 | void |
895 | ev_feed_fd_event (EV_P_ int fd, int revents) |
915 | ev_feed_fd_event (EV_P_ int fd, int revents) |
896 | { |
916 | { |
897 | if (fd >= 0 && fd < anfdmax) |
917 | if (fd >= 0 && fd < anfdmax) |
898 | fd_event_nc (EV_A_ fd, revents); |
918 | fd_event_nocheck (EV_A_ fd, revents); |
899 | } |
919 | } |
900 | |
920 | |
901 | /* make sure the external fd watch events are in-sync */ |
921 | /* make sure the external fd watch events are in-sync */ |
902 | /* with the kernel/libev internal state */ |
922 | /* with the kernel/libev internal state */ |
903 | inline_size void |
923 | inline_size void |
… | |
… | |
909 | { |
929 | { |
910 | int fd = fdchanges [i]; |
930 | int fd = fdchanges [i]; |
911 | ANFD *anfd = anfds + fd; |
931 | ANFD *anfd = anfds + fd; |
912 | ev_io *w; |
932 | ev_io *w; |
913 | |
933 | |
914 | unsigned char events = 0; |
934 | unsigned char o_events = anfd->events; |
|
|
935 | unsigned char o_reify = anfd->reify; |
915 | |
936 | |
916 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
937 | anfd->reify = 0; |
917 | events |= (unsigned char)w->events; |
|
|
918 | |
938 | |
919 | #if EV_SELECT_IS_WINSOCKET |
939 | #if EV_SELECT_IS_WINSOCKET |
920 | if (events) |
940 | if (o_reify & EV__IOFDSET) |
921 | { |
941 | { |
922 | unsigned long arg; |
942 | unsigned long arg; |
923 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
943 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
924 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
944 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
925 | } |
945 | } |
926 | #endif |
946 | #endif |
927 | |
947 | |
|
|
948 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
928 | { |
949 | { |
929 | unsigned char o_events = anfd->events; |
|
|
930 | unsigned char o_reify = anfd->reify; |
|
|
931 | |
|
|
932 | anfd->reify = 0; |
|
|
933 | anfd->events = events; |
950 | anfd->events = 0; |
934 | |
951 | |
935 | if (o_events != events || o_reify & EV__IOFDSET) |
952 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
953 | anfd->events |= (unsigned char)w->events; |
|
|
954 | |
|
|
955 | if (o_events != anfd->events) |
|
|
956 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
957 | } |
|
|
958 | |
|
|
959 | if (o_reify & EV__IOFDSET) |
936 | backend_modify (EV_A_ fd, o_events, events); |
960 | backend_modify (EV_A_ fd, o_events, anfd->events); |
937 | } |
|
|
938 | } |
961 | } |
939 | |
962 | |
940 | fdchangecnt = 0; |
963 | fdchangecnt = 0; |
941 | } |
964 | } |
942 | |
965 | |
… | |
… | |
966 | ev_io_stop (EV_A_ w); |
989 | ev_io_stop (EV_A_ w); |
967 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
990 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
968 | } |
991 | } |
969 | } |
992 | } |
970 | |
993 | |
971 | /* check whether the given fd is atcually valid, for error recovery */ |
994 | /* check whether the given fd is actually valid, for error recovery */ |
972 | inline_size int |
995 | inline_size int |
973 | fd_valid (int fd) |
996 | fd_valid (int fd) |
974 | { |
997 | { |
975 | #ifdef _WIN32 |
998 | #ifdef _WIN32 |
976 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
999 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
… | |
… | |
1018 | anfds [fd].emask = 0; |
1041 | anfds [fd].emask = 0; |
1019 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1042 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1020 | } |
1043 | } |
1021 | } |
1044 | } |
1022 | |
1045 | |
|
|
1046 | /* used to prepare libev internal fd's */ |
|
|
1047 | /* this is not fork-safe */ |
|
|
1048 | inline_speed void |
|
|
1049 | fd_intern (int fd) |
|
|
1050 | { |
|
|
1051 | #ifdef _WIN32 |
|
|
1052 | unsigned long arg = 1; |
|
|
1053 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1054 | #else |
|
|
1055 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1056 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1057 | #endif |
|
|
1058 | } |
|
|
1059 | |
1023 | /*****************************************************************************/ |
1060 | /*****************************************************************************/ |
1024 | |
1061 | |
1025 | /* |
1062 | /* |
1026 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1063 | * the heap functions want a real array index. array index 0 is guaranteed to not |
1027 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1064 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1028 | * the branching factor of the d-tree. |
1065 | * the branching factor of the d-tree. |
1029 | */ |
1066 | */ |
1030 | |
1067 | |
1031 | /* |
1068 | /* |
… | |
… | |
1179 | |
1216 | |
1180 | static ANSIG signals [EV_NSIG - 1]; |
1217 | static ANSIG signals [EV_NSIG - 1]; |
1181 | |
1218 | |
1182 | /*****************************************************************************/ |
1219 | /*****************************************************************************/ |
1183 | |
1220 | |
1184 | /* used to prepare libev internal fd's */ |
1221 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1185 | /* this is not fork-safe */ |
|
|
1186 | inline_speed void |
|
|
1187 | fd_intern (int fd) |
|
|
1188 | { |
|
|
1189 | #ifdef _WIN32 |
|
|
1190 | unsigned long arg = 1; |
|
|
1191 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1192 | #else |
|
|
1193 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1194 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1195 | #endif |
|
|
1196 | } |
|
|
1197 | |
1222 | |
1198 | static void noinline |
1223 | static void noinline |
1199 | evpipe_init (EV_P) |
1224 | evpipe_init (EV_P) |
1200 | { |
1225 | { |
1201 | if (!ev_is_active (&pipe_w)) |
1226 | if (!ev_is_active (&pipe_w)) |
1202 | { |
1227 | { |
1203 | #if EV_USE_EVENTFD |
1228 | # if EV_USE_EVENTFD |
1204 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1229 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1205 | if (evfd < 0 && errno == EINVAL) |
1230 | if (evfd < 0 && errno == EINVAL) |
1206 | evfd = eventfd (0, 0); |
1231 | evfd = eventfd (0, 0); |
1207 | |
1232 | |
1208 | if (evfd >= 0) |
1233 | if (evfd >= 0) |
… | |
… | |
1210 | evpipe [0] = -1; |
1235 | evpipe [0] = -1; |
1211 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1236 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1212 | ev_io_set (&pipe_w, evfd, EV_READ); |
1237 | ev_io_set (&pipe_w, evfd, EV_READ); |
1213 | } |
1238 | } |
1214 | else |
1239 | else |
1215 | #endif |
1240 | # endif |
1216 | { |
1241 | { |
1217 | while (pipe (evpipe)) |
1242 | while (pipe (evpipe)) |
1218 | ev_syserr ("(libev) error creating signal/async pipe"); |
1243 | ev_syserr ("(libev) error creating signal/async pipe"); |
1219 | |
1244 | |
1220 | fd_intern (evpipe [0]); |
1245 | fd_intern (evpipe [0]); |
… | |
… | |
1231 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1256 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1232 | { |
1257 | { |
1233 | if (!*flag) |
1258 | if (!*flag) |
1234 | { |
1259 | { |
1235 | int old_errno = errno; /* save errno because write might clobber it */ |
1260 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1261 | char dummy; |
1236 | |
1262 | |
1237 | *flag = 1; |
1263 | *flag = 1; |
1238 | |
1264 | |
1239 | #if EV_USE_EVENTFD |
1265 | #if EV_USE_EVENTFD |
1240 | if (evfd >= 0) |
1266 | if (evfd >= 0) |
… | |
… | |
1242 | uint64_t counter = 1; |
1268 | uint64_t counter = 1; |
1243 | write (evfd, &counter, sizeof (uint64_t)); |
1269 | write (evfd, &counter, sizeof (uint64_t)); |
1244 | } |
1270 | } |
1245 | else |
1271 | else |
1246 | #endif |
1272 | #endif |
|
|
1273 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1274 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1275 | /* so when you think this write should be a send instead, please find out */ |
|
|
1276 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1277 | /* tell me. thank you. */ |
1247 | write (evpipe [1], &old_errno, 1); |
1278 | write (evpipe [1], &dummy, 1); |
1248 | |
1279 | |
1249 | errno = old_errno; |
1280 | errno = old_errno; |
1250 | } |
1281 | } |
1251 | } |
1282 | } |
1252 | |
1283 | |
… | |
… | |
1265 | } |
1296 | } |
1266 | else |
1297 | else |
1267 | #endif |
1298 | #endif |
1268 | { |
1299 | { |
1269 | char dummy; |
1300 | char dummy; |
|
|
1301 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1270 | read (evpipe [0], &dummy, 1); |
1302 | read (evpipe [0], &dummy, 1); |
1271 | } |
1303 | } |
1272 | |
1304 | |
1273 | if (sig_pending) |
1305 | if (sig_pending) |
1274 | { |
1306 | { |
… | |
… | |
1353 | break; |
1385 | break; |
1354 | } |
1386 | } |
1355 | } |
1387 | } |
1356 | #endif |
1388 | #endif |
1357 | |
1389 | |
|
|
1390 | #endif |
|
|
1391 | |
1358 | /*****************************************************************************/ |
1392 | /*****************************************************************************/ |
1359 | |
1393 | |
|
|
1394 | #if EV_CHILD_ENABLE |
1360 | static WL childs [EV_PID_HASHSIZE]; |
1395 | static WL childs [EV_PID_HASHSIZE]; |
1361 | |
|
|
1362 | #ifndef _WIN32 |
|
|
1363 | |
1396 | |
1364 | static ev_signal childev; |
1397 | static ev_signal childev; |
1365 | |
1398 | |
1366 | #ifndef WIFCONTINUED |
1399 | #ifndef WIFCONTINUED |
1367 | # define WIFCONTINUED(status) 0 |
1400 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1372 | child_reap (EV_P_ int chain, int pid, int status) |
1405 | child_reap (EV_P_ int chain, int pid, int status) |
1373 | { |
1406 | { |
1374 | ev_child *w; |
1407 | ev_child *w; |
1375 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1408 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1376 | |
1409 | |
1377 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1410 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1378 | { |
1411 | { |
1379 | if ((w->pid == pid || !w->pid) |
1412 | if ((w->pid == pid || !w->pid) |
1380 | && (!traced || (w->flags & 1))) |
1413 | && (!traced || (w->flags & 1))) |
1381 | { |
1414 | { |
1382 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1415 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1407 | /* make sure we are called again until all children have been reaped */ |
1440 | /* make sure we are called again until all children have been reaped */ |
1408 | /* we need to do it this way so that the callback gets called before we continue */ |
1441 | /* we need to do it this way so that the callback gets called before we continue */ |
1409 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1442 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1410 | |
1443 | |
1411 | child_reap (EV_A_ pid, pid, status); |
1444 | child_reap (EV_A_ pid, pid, status); |
1412 | if (EV_PID_HASHSIZE > 1) |
1445 | if ((EV_PID_HASHSIZE) > 1) |
1413 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1446 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1414 | } |
1447 | } |
1415 | |
1448 | |
1416 | #endif |
1449 | #endif |
1417 | |
1450 | |
… | |
… | |
1484 | #ifdef __APPLE__ |
1517 | #ifdef __APPLE__ |
1485 | /* only select works correctly on that "unix-certified" platform */ |
1518 | /* only select works correctly on that "unix-certified" platform */ |
1486 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1519 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1487 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1520 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1488 | #endif |
1521 | #endif |
|
|
1522 | #ifdef __FreeBSD__ |
|
|
1523 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1524 | #endif |
1489 | |
1525 | |
1490 | return flags; |
1526 | return flags; |
1491 | } |
1527 | } |
1492 | |
1528 | |
1493 | unsigned int |
1529 | unsigned int |
… | |
… | |
1506 | ev_backend (EV_P) |
1542 | ev_backend (EV_P) |
1507 | { |
1543 | { |
1508 | return backend; |
1544 | return backend; |
1509 | } |
1545 | } |
1510 | |
1546 | |
1511 | #if EV_MINIMAL < 2 |
1547 | #if EV_FEATURE_API |
1512 | unsigned int |
1548 | unsigned int |
1513 | ev_loop_count (EV_P) |
1549 | ev_iteration (EV_P) |
1514 | { |
1550 | { |
1515 | return loop_count; |
1551 | return loop_count; |
1516 | } |
1552 | } |
1517 | |
1553 | |
1518 | unsigned int |
1554 | unsigned int |
1519 | ev_loop_depth (EV_P) |
1555 | ev_depth (EV_P) |
1520 | { |
1556 | { |
1521 | return loop_depth; |
1557 | return loop_depth; |
1522 | } |
1558 | } |
1523 | |
1559 | |
1524 | void |
1560 | void |
… | |
… | |
1596 | |
1632 | |
1597 | ev_rt_now = ev_time (); |
1633 | ev_rt_now = ev_time (); |
1598 | mn_now = get_clock (); |
1634 | mn_now = get_clock (); |
1599 | now_floor = mn_now; |
1635 | now_floor = mn_now; |
1600 | rtmn_diff = ev_rt_now - mn_now; |
1636 | rtmn_diff = ev_rt_now - mn_now; |
1601 | #if EV_MINIMAL < 2 |
1637 | #if EV_FEATURE_API |
1602 | invoke_cb = ev_invoke_pending; |
1638 | invoke_cb = ev_invoke_pending; |
1603 | #endif |
1639 | #endif |
1604 | |
1640 | |
1605 | io_blocktime = 0.; |
1641 | io_blocktime = 0.; |
1606 | timeout_blocktime = 0.; |
1642 | timeout_blocktime = 0.; |
… | |
… | |
1636 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1672 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1637 | #endif |
1673 | #endif |
1638 | |
1674 | |
1639 | ev_prepare_init (&pending_w, pendingcb); |
1675 | ev_prepare_init (&pending_w, pendingcb); |
1640 | |
1676 | |
|
|
1677 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1641 | ev_init (&pipe_w, pipecb); |
1678 | ev_init (&pipe_w, pipecb); |
1642 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1679 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1680 | #endif |
1643 | } |
1681 | } |
1644 | } |
1682 | } |
1645 | |
1683 | |
1646 | /* free up a loop structure */ |
1684 | /* free up a loop structure */ |
1647 | static void noinline |
1685 | static void noinline |
… | |
… | |
1765 | { |
1803 | { |
1766 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1804 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1767 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1805 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1768 | } |
1806 | } |
1769 | |
1807 | |
|
|
1808 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1770 | evpipe_init (EV_A); |
1809 | evpipe_init (EV_A); |
1771 | /* now iterate over everything, in case we missed something */ |
1810 | /* now iterate over everything, in case we missed something */ |
1772 | pipecb (EV_A_ &pipe_w, EV_READ); |
1811 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1812 | #endif |
1773 | } |
1813 | } |
1774 | |
1814 | |
1775 | postfork = 0; |
1815 | postfork = 0; |
1776 | } |
1816 | } |
1777 | |
1817 | |
… | |
… | |
1839 | verify_watcher (EV_A_ ws [cnt]); |
1879 | verify_watcher (EV_A_ ws [cnt]); |
1840 | } |
1880 | } |
1841 | } |
1881 | } |
1842 | #endif |
1882 | #endif |
1843 | |
1883 | |
1844 | #if EV_MINIMAL < 2 |
1884 | #if EV_FEATURE_API |
1845 | void |
1885 | void |
1846 | ev_loop_verify (EV_P) |
1886 | ev_verify (EV_P) |
1847 | { |
1887 | { |
1848 | #if EV_VERIFY |
1888 | #if EV_VERIFY |
1849 | int i; |
1889 | int i; |
1850 | WL w; |
1890 | WL w; |
1851 | |
1891 | |
… | |
… | |
1890 | #if EV_ASYNC_ENABLE |
1930 | #if EV_ASYNC_ENABLE |
1891 | assert (asyncmax >= asynccnt); |
1931 | assert (asyncmax >= asynccnt); |
1892 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1932 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1893 | #endif |
1933 | #endif |
1894 | |
1934 | |
|
|
1935 | #if EV_PREPARE_ENABLE |
1895 | assert (preparemax >= preparecnt); |
1936 | assert (preparemax >= preparecnt); |
1896 | array_verify (EV_A_ (W *)prepares, preparecnt); |
1937 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1938 | #endif |
1897 | |
1939 | |
|
|
1940 | #if EV_CHECK_ENABLE |
1898 | assert (checkmax >= checkcnt); |
1941 | assert (checkmax >= checkcnt); |
1899 | array_verify (EV_A_ (W *)checks, checkcnt); |
1942 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1943 | #endif |
1900 | |
1944 | |
1901 | # if 0 |
1945 | # if 0 |
|
|
1946 | #if EV_CHILD_ENABLE |
1902 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1947 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1903 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1948 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
1949 | #endif |
1904 | # endif |
1950 | # endif |
1905 | #endif |
1951 | #endif |
1906 | } |
1952 | } |
1907 | #endif |
1953 | #endif |
1908 | |
1954 | |
… | |
… | |
1924 | |
1970 | |
1925 | loop_init (EV_A_ flags); |
1971 | loop_init (EV_A_ flags); |
1926 | |
1972 | |
1927 | if (ev_backend (EV_A)) |
1973 | if (ev_backend (EV_A)) |
1928 | { |
1974 | { |
1929 | #ifndef _WIN32 |
1975 | #if EV_CHILD_ENABLE |
1930 | ev_signal_init (&childev, childcb, SIGCHLD); |
1976 | ev_signal_init (&childev, childcb, SIGCHLD); |
1931 | ev_set_priority (&childev, EV_MAXPRI); |
1977 | ev_set_priority (&childev, EV_MAXPRI); |
1932 | ev_signal_start (EV_A_ &childev); |
1978 | ev_signal_start (EV_A_ &childev); |
1933 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1979 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1934 | #endif |
1980 | #endif |
… | |
… | |
1947 | EV_P = ev_default_loop_ptr; |
1993 | EV_P = ev_default_loop_ptr; |
1948 | #endif |
1994 | #endif |
1949 | |
1995 | |
1950 | ev_default_loop_ptr = 0; |
1996 | ev_default_loop_ptr = 0; |
1951 | |
1997 | |
1952 | #ifndef _WIN32 |
1998 | #if EV_CHILD_ENABLE |
1953 | ev_ref (EV_A); /* child watcher */ |
1999 | ev_ref (EV_A); /* child watcher */ |
1954 | ev_signal_stop (EV_A_ &childev); |
2000 | ev_signal_stop (EV_A_ &childev); |
1955 | #endif |
2001 | #endif |
1956 | |
2002 | |
1957 | loop_destroy (EV_A); |
2003 | loop_destroy (EV_A); |
… | |
… | |
2063 | EV_FREQUENT_CHECK; |
2109 | EV_FREQUENT_CHECK; |
2064 | feed_reverse (EV_A_ (W)w); |
2110 | feed_reverse (EV_A_ (W)w); |
2065 | } |
2111 | } |
2066 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2112 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2067 | |
2113 | |
2068 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2114 | feed_reverse_done (EV_A_ EV_TIMER); |
2069 | } |
2115 | } |
2070 | } |
2116 | } |
2071 | |
2117 | |
2072 | #if EV_PERIODIC_ENABLE |
2118 | #if EV_PERIODIC_ENABLE |
2073 | /* make periodics pending */ |
2119 | /* make periodics pending */ |
… | |
… | |
2126 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2172 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2127 | } |
2173 | } |
2128 | } |
2174 | } |
2129 | |
2175 | |
2130 | /* simply recalculate all periodics */ |
2176 | /* simply recalculate all periodics */ |
2131 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2177 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2132 | static void noinline |
2178 | static void noinline |
2133 | periodics_reschedule (EV_P) |
2179 | periodics_reschedule (EV_P) |
2134 | { |
2180 | { |
2135 | int i; |
2181 | int i; |
2136 | |
2182 | |
… | |
… | |
2232 | mn_now = ev_rt_now; |
2278 | mn_now = ev_rt_now; |
2233 | } |
2279 | } |
2234 | } |
2280 | } |
2235 | |
2281 | |
2236 | void |
2282 | void |
2237 | ev_loop (EV_P_ int flags) |
2283 | ev_run (EV_P_ int flags) |
2238 | { |
2284 | { |
2239 | #if EV_MINIMAL < 2 |
2285 | #if EV_FEATURE_API |
2240 | ++loop_depth; |
2286 | ++loop_depth; |
2241 | #endif |
2287 | #endif |
2242 | |
2288 | |
2243 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2289 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2244 | |
2290 | |
2245 | loop_done = EVUNLOOP_CANCEL; |
2291 | loop_done = EVBREAK_CANCEL; |
2246 | |
2292 | |
2247 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2293 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2248 | |
2294 | |
2249 | do |
2295 | do |
2250 | { |
2296 | { |
2251 | #if EV_VERIFY >= 2 |
2297 | #if EV_VERIFY >= 2 |
2252 | ev_loop_verify (EV_A); |
2298 | ev_verify (EV_A); |
2253 | #endif |
2299 | #endif |
2254 | |
2300 | |
2255 | #ifndef _WIN32 |
2301 | #ifndef _WIN32 |
2256 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2302 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2257 | if (expect_false (getpid () != curpid)) |
2303 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2269 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2315 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2270 | EV_INVOKE_PENDING; |
2316 | EV_INVOKE_PENDING; |
2271 | } |
2317 | } |
2272 | #endif |
2318 | #endif |
2273 | |
2319 | |
|
|
2320 | #if EV_PREPARE_ENABLE |
2274 | /* queue prepare watchers (and execute them) */ |
2321 | /* queue prepare watchers (and execute them) */ |
2275 | if (expect_false (preparecnt)) |
2322 | if (expect_false (preparecnt)) |
2276 | { |
2323 | { |
2277 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2324 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2278 | EV_INVOKE_PENDING; |
2325 | EV_INVOKE_PENDING; |
2279 | } |
2326 | } |
|
|
2327 | #endif |
2280 | |
2328 | |
2281 | if (expect_false (loop_done)) |
2329 | if (expect_false (loop_done)) |
2282 | break; |
2330 | break; |
2283 | |
2331 | |
2284 | /* we might have forked, so reify kernel state if necessary */ |
2332 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2291 | /* calculate blocking time */ |
2339 | /* calculate blocking time */ |
2292 | { |
2340 | { |
2293 | ev_tstamp waittime = 0.; |
2341 | ev_tstamp waittime = 0.; |
2294 | ev_tstamp sleeptime = 0.; |
2342 | ev_tstamp sleeptime = 0.; |
2295 | |
2343 | |
|
|
2344 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2345 | ev_tstamp prev_mn_now = mn_now; |
|
|
2346 | |
|
|
2347 | /* update time to cancel out callback processing overhead */ |
|
|
2348 | time_update (EV_A_ 1e100); |
|
|
2349 | |
2296 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2350 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2297 | { |
2351 | { |
2298 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2299 | ev_tstamp prev_mn_now = mn_now; |
|
|
2300 | |
|
|
2301 | /* update time to cancel out callback processing overhead */ |
|
|
2302 | time_update (EV_A_ 1e100); |
|
|
2303 | |
|
|
2304 | waittime = MAX_BLOCKTIME; |
2352 | waittime = MAX_BLOCKTIME; |
2305 | |
2353 | |
2306 | if (timercnt) |
2354 | if (timercnt) |
2307 | { |
2355 | { |
2308 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2356 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2335 | waittime -= sleeptime; |
2383 | waittime -= sleeptime; |
2336 | } |
2384 | } |
2337 | } |
2385 | } |
2338 | } |
2386 | } |
2339 | |
2387 | |
2340 | #if EV_MINIMAL < 2 |
2388 | #if EV_FEATURE_API |
2341 | ++loop_count; |
2389 | ++loop_count; |
2342 | #endif |
2390 | #endif |
2343 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2391 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2344 | backend_poll (EV_A_ waittime); |
2392 | backend_poll (EV_A_ waittime); |
2345 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2393 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2346 | |
2394 | |
2347 | /* update ev_rt_now, do magic */ |
2395 | /* update ev_rt_now, do magic */ |
2348 | time_update (EV_A_ waittime + sleeptime); |
2396 | time_update (EV_A_ waittime + sleeptime); |
2349 | } |
2397 | } |
2350 | |
2398 | |
… | |
… | |
2357 | #if EV_IDLE_ENABLE |
2405 | #if EV_IDLE_ENABLE |
2358 | /* queue idle watchers unless other events are pending */ |
2406 | /* queue idle watchers unless other events are pending */ |
2359 | idle_reify (EV_A); |
2407 | idle_reify (EV_A); |
2360 | #endif |
2408 | #endif |
2361 | |
2409 | |
|
|
2410 | #if EV_CHECK_ENABLE |
2362 | /* queue check watchers, to be executed first */ |
2411 | /* queue check watchers, to be executed first */ |
2363 | if (expect_false (checkcnt)) |
2412 | if (expect_false (checkcnt)) |
2364 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2413 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2414 | #endif |
2365 | |
2415 | |
2366 | EV_INVOKE_PENDING; |
2416 | EV_INVOKE_PENDING; |
2367 | } |
2417 | } |
2368 | while (expect_true ( |
2418 | while (expect_true ( |
2369 | activecnt |
2419 | activecnt |
2370 | && !loop_done |
2420 | && !loop_done |
2371 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2421 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2372 | )); |
2422 | )); |
2373 | |
2423 | |
2374 | if (loop_done == EVUNLOOP_ONE) |
2424 | if (loop_done == EVBREAK_ONE) |
2375 | loop_done = EVUNLOOP_CANCEL; |
2425 | loop_done = EVBREAK_CANCEL; |
2376 | |
2426 | |
2377 | #if EV_MINIMAL < 2 |
2427 | #if EV_FEATURE_API |
2378 | --loop_depth; |
2428 | --loop_depth; |
2379 | #endif |
2429 | #endif |
2380 | } |
2430 | } |
2381 | |
2431 | |
2382 | void |
2432 | void |
2383 | ev_unloop (EV_P_ int how) |
2433 | ev_break (EV_P_ int how) |
2384 | { |
2434 | { |
2385 | loop_done = how; |
2435 | loop_done = how; |
2386 | } |
2436 | } |
2387 | |
2437 | |
2388 | void |
2438 | void |
… | |
… | |
2536 | EV_FREQUENT_CHECK; |
2586 | EV_FREQUENT_CHECK; |
2537 | |
2587 | |
2538 | wlist_del (&anfds[w->fd].head, (WL)w); |
2588 | wlist_del (&anfds[w->fd].head, (WL)w); |
2539 | ev_stop (EV_A_ (W)w); |
2589 | ev_stop (EV_A_ (W)w); |
2540 | |
2590 | |
2541 | fd_change (EV_A_ w->fd, 1); |
2591 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2542 | |
2592 | |
2543 | EV_FREQUENT_CHECK; |
2593 | EV_FREQUENT_CHECK; |
2544 | } |
2594 | } |
2545 | |
2595 | |
2546 | void noinline |
2596 | void noinline |
… | |
… | |
2699 | |
2749 | |
2700 | #ifndef SA_RESTART |
2750 | #ifndef SA_RESTART |
2701 | # define SA_RESTART 0 |
2751 | # define SA_RESTART 0 |
2702 | #endif |
2752 | #endif |
2703 | |
2753 | |
|
|
2754 | #if EV_SIGNAL_ENABLE |
|
|
2755 | |
2704 | void noinline |
2756 | void noinline |
2705 | ev_signal_start (EV_P_ ev_signal *w) |
2757 | ev_signal_start (EV_P_ ev_signal *w) |
2706 | { |
2758 | { |
2707 | if (expect_false (ev_is_active (w))) |
2759 | if (expect_false (ev_is_active (w))) |
2708 | return; |
2760 | return; |
… | |
… | |
2814 | } |
2866 | } |
2815 | |
2867 | |
2816 | EV_FREQUENT_CHECK; |
2868 | EV_FREQUENT_CHECK; |
2817 | } |
2869 | } |
2818 | |
2870 | |
|
|
2871 | #endif |
|
|
2872 | |
|
|
2873 | #if EV_CHILD_ENABLE |
|
|
2874 | |
2819 | void |
2875 | void |
2820 | ev_child_start (EV_P_ ev_child *w) |
2876 | ev_child_start (EV_P_ ev_child *w) |
2821 | { |
2877 | { |
2822 | #if EV_MULTIPLICITY |
2878 | #if EV_MULTIPLICITY |
2823 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2879 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2826 | return; |
2882 | return; |
2827 | |
2883 | |
2828 | EV_FREQUENT_CHECK; |
2884 | EV_FREQUENT_CHECK; |
2829 | |
2885 | |
2830 | ev_start (EV_A_ (W)w, 1); |
2886 | ev_start (EV_A_ (W)w, 1); |
2831 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2887 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2832 | |
2888 | |
2833 | EV_FREQUENT_CHECK; |
2889 | EV_FREQUENT_CHECK; |
2834 | } |
2890 | } |
2835 | |
2891 | |
2836 | void |
2892 | void |
… | |
… | |
2840 | if (expect_false (!ev_is_active (w))) |
2896 | if (expect_false (!ev_is_active (w))) |
2841 | return; |
2897 | return; |
2842 | |
2898 | |
2843 | EV_FREQUENT_CHECK; |
2899 | EV_FREQUENT_CHECK; |
2844 | |
2900 | |
2845 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2901 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2846 | ev_stop (EV_A_ (W)w); |
2902 | ev_stop (EV_A_ (W)w); |
2847 | |
2903 | |
2848 | EV_FREQUENT_CHECK; |
2904 | EV_FREQUENT_CHECK; |
2849 | } |
2905 | } |
|
|
2906 | |
|
|
2907 | #endif |
2850 | |
2908 | |
2851 | #if EV_STAT_ENABLE |
2909 | #if EV_STAT_ENABLE |
2852 | |
2910 | |
2853 | # ifdef _WIN32 |
2911 | # ifdef _WIN32 |
2854 | # undef lstat |
2912 | # undef lstat |
… | |
… | |
2921 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2979 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2922 | } |
2980 | } |
2923 | } |
2981 | } |
2924 | |
2982 | |
2925 | if (w->wd >= 0) |
2983 | if (w->wd >= 0) |
2926 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2984 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2927 | |
2985 | |
2928 | /* now re-arm timer, if required */ |
2986 | /* now re-arm timer, if required */ |
2929 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2987 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2930 | ev_timer_again (EV_A_ &w->timer); |
2988 | ev_timer_again (EV_A_ &w->timer); |
2931 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2989 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
… | |
… | |
2939 | |
2997 | |
2940 | if (wd < 0) |
2998 | if (wd < 0) |
2941 | return; |
2999 | return; |
2942 | |
3000 | |
2943 | w->wd = -2; |
3001 | w->wd = -2; |
2944 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3002 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2945 | wlist_del (&fs_hash [slot].head, (WL)w); |
3003 | wlist_del (&fs_hash [slot].head, (WL)w); |
2946 | |
3004 | |
2947 | /* remove this watcher, if others are watching it, they will rearm */ |
3005 | /* remove this watcher, if others are watching it, they will rearm */ |
2948 | inotify_rm_watch (fs_fd, wd); |
3006 | inotify_rm_watch (fs_fd, wd); |
2949 | } |
3007 | } |
… | |
… | |
2951 | static void noinline |
3009 | static void noinline |
2952 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3010 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2953 | { |
3011 | { |
2954 | if (slot < 0) |
3012 | if (slot < 0) |
2955 | /* overflow, need to check for all hash slots */ |
3013 | /* overflow, need to check for all hash slots */ |
2956 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3014 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2957 | infy_wd (EV_A_ slot, wd, ev); |
3015 | infy_wd (EV_A_ slot, wd, ev); |
2958 | else |
3016 | else |
2959 | { |
3017 | { |
2960 | WL w_; |
3018 | WL w_; |
2961 | |
3019 | |
2962 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3020 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2963 | { |
3021 | { |
2964 | ev_stat *w = (ev_stat *)w_; |
3022 | ev_stat *w = (ev_stat *)w_; |
2965 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3023 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2966 | |
3024 | |
2967 | if (w->wd == wd || wd == -1) |
3025 | if (w->wd == wd || wd == -1) |
2968 | { |
3026 | { |
2969 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3027 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2970 | { |
3028 | { |
2971 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3029 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2972 | w->wd = -1; |
3030 | w->wd = -1; |
2973 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3031 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2974 | } |
3032 | } |
2975 | |
3033 | |
2976 | stat_timer_cb (EV_A_ &w->timer, 0); |
3034 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2992 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3050 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2993 | ofs += sizeof (struct inotify_event) + ev->len; |
3051 | ofs += sizeof (struct inotify_event) + ev->len; |
2994 | } |
3052 | } |
2995 | } |
3053 | } |
2996 | |
3054 | |
|
|
3055 | inline_size unsigned int |
|
|
3056 | ev_linux_version (void) |
|
|
3057 | { |
|
|
3058 | struct utsname buf; |
|
|
3059 | unsigned int v; |
|
|
3060 | int i; |
|
|
3061 | char *p = buf.release; |
|
|
3062 | |
|
|
3063 | if (uname (&buf)) |
|
|
3064 | return 0; |
|
|
3065 | |
|
|
3066 | for (i = 3+1; --i; ) |
|
|
3067 | { |
|
|
3068 | unsigned int c = 0; |
|
|
3069 | |
|
|
3070 | for (;;) |
|
|
3071 | { |
|
|
3072 | if (*p >= '0' && *p <= '9') |
|
|
3073 | c = c * 10 + *p++ - '0'; |
|
|
3074 | else |
|
|
3075 | { |
|
|
3076 | p += *p == '.'; |
|
|
3077 | break; |
|
|
3078 | } |
|
|
3079 | } |
|
|
3080 | |
|
|
3081 | v = (v << 8) | c; |
|
|
3082 | } |
|
|
3083 | |
|
|
3084 | return v; |
|
|
3085 | } |
|
|
3086 | |
2997 | inline_size void |
3087 | inline_size void |
2998 | check_2625 (EV_P) |
3088 | ev_check_2625 (EV_P) |
2999 | { |
3089 | { |
3000 | /* kernels < 2.6.25 are borked |
3090 | /* kernels < 2.6.25 are borked |
3001 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3091 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3002 | */ |
3092 | */ |
3003 | struct utsname buf; |
3093 | if (ev_linux_version () < 0x020619) |
3004 | int major, minor, micro; |
|
|
3005 | |
|
|
3006 | if (uname (&buf)) |
|
|
3007 | return; |
|
|
3008 | |
|
|
3009 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
3010 | return; |
|
|
3011 | |
|
|
3012 | if (major < 2 |
|
|
3013 | || (major == 2 && minor < 6) |
|
|
3014 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
3015 | return; |
3094 | return; |
3016 | |
3095 | |
3017 | fs_2625 = 1; |
3096 | fs_2625 = 1; |
3018 | } |
3097 | } |
3019 | |
3098 | |
… | |
… | |
3034 | if (fs_fd != -2) |
3113 | if (fs_fd != -2) |
3035 | return; |
3114 | return; |
3036 | |
3115 | |
3037 | fs_fd = -1; |
3116 | fs_fd = -1; |
3038 | |
3117 | |
3039 | check_2625 (EV_A); |
3118 | ev_check_2625 (EV_A); |
3040 | |
3119 | |
3041 | fs_fd = infy_newfd (); |
3120 | fs_fd = infy_newfd (); |
3042 | |
3121 | |
3043 | if (fs_fd >= 0) |
3122 | if (fs_fd >= 0) |
3044 | { |
3123 | { |
… | |
… | |
3069 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3148 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3070 | ev_io_start (EV_A_ &fs_w); |
3149 | ev_io_start (EV_A_ &fs_w); |
3071 | ev_unref (EV_A); |
3150 | ev_unref (EV_A); |
3072 | } |
3151 | } |
3073 | |
3152 | |
3074 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3153 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3075 | { |
3154 | { |
3076 | WL w_ = fs_hash [slot].head; |
3155 | WL w_ = fs_hash [slot].head; |
3077 | fs_hash [slot].head = 0; |
3156 | fs_hash [slot].head = 0; |
3078 | |
3157 | |
3079 | while (w_) |
3158 | while (w_) |
… | |
… | |
3254 | |
3333 | |
3255 | EV_FREQUENT_CHECK; |
3334 | EV_FREQUENT_CHECK; |
3256 | } |
3335 | } |
3257 | #endif |
3336 | #endif |
3258 | |
3337 | |
|
|
3338 | #if EV_PREPARE_ENABLE |
3259 | void |
3339 | void |
3260 | ev_prepare_start (EV_P_ ev_prepare *w) |
3340 | ev_prepare_start (EV_P_ ev_prepare *w) |
3261 | { |
3341 | { |
3262 | if (expect_false (ev_is_active (w))) |
3342 | if (expect_false (ev_is_active (w))) |
3263 | return; |
3343 | return; |
… | |
… | |
3289 | |
3369 | |
3290 | ev_stop (EV_A_ (W)w); |
3370 | ev_stop (EV_A_ (W)w); |
3291 | |
3371 | |
3292 | EV_FREQUENT_CHECK; |
3372 | EV_FREQUENT_CHECK; |
3293 | } |
3373 | } |
|
|
3374 | #endif |
3294 | |
3375 | |
|
|
3376 | #if EV_CHECK_ENABLE |
3295 | void |
3377 | void |
3296 | ev_check_start (EV_P_ ev_check *w) |
3378 | ev_check_start (EV_P_ ev_check *w) |
3297 | { |
3379 | { |
3298 | if (expect_false (ev_is_active (w))) |
3380 | if (expect_false (ev_is_active (w))) |
3299 | return; |
3381 | return; |
… | |
… | |
3325 | |
3407 | |
3326 | ev_stop (EV_A_ (W)w); |
3408 | ev_stop (EV_A_ (W)w); |
3327 | |
3409 | |
3328 | EV_FREQUENT_CHECK; |
3410 | EV_FREQUENT_CHECK; |
3329 | } |
3411 | } |
|
|
3412 | #endif |
3330 | |
3413 | |
3331 | #if EV_EMBED_ENABLE |
3414 | #if EV_EMBED_ENABLE |
3332 | void noinline |
3415 | void noinline |
3333 | ev_embed_sweep (EV_P_ ev_embed *w) |
3416 | ev_embed_sweep (EV_P_ ev_embed *w) |
3334 | { |
3417 | { |
3335 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3418 | ev_run (w->other, EVRUN_NOWAIT); |
3336 | } |
3419 | } |
3337 | |
3420 | |
3338 | static void |
3421 | static void |
3339 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3422 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3340 | { |
3423 | { |
3341 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3424 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3342 | |
3425 | |
3343 | if (ev_cb (w)) |
3426 | if (ev_cb (w)) |
3344 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3427 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3345 | else |
3428 | else |
3346 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3429 | ev_run (w->other, EVRUN_NOWAIT); |
3347 | } |
3430 | } |
3348 | |
3431 | |
3349 | static void |
3432 | static void |
3350 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3433 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3351 | { |
3434 | { |
… | |
… | |
3355 | EV_P = w->other; |
3438 | EV_P = w->other; |
3356 | |
3439 | |
3357 | while (fdchangecnt) |
3440 | while (fdchangecnt) |
3358 | { |
3441 | { |
3359 | fd_reify (EV_A); |
3442 | fd_reify (EV_A); |
3360 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3443 | ev_run (EV_A_ EVRUN_NOWAIT); |
3361 | } |
3444 | } |
3362 | } |
3445 | } |
3363 | } |
3446 | } |
3364 | |
3447 | |
3365 | static void |
3448 | static void |
… | |
… | |
3371 | |
3454 | |
3372 | { |
3455 | { |
3373 | EV_P = w->other; |
3456 | EV_P = w->other; |
3374 | |
3457 | |
3375 | ev_loop_fork (EV_A); |
3458 | ev_loop_fork (EV_A); |
3376 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3459 | ev_run (EV_A_ EVRUN_NOWAIT); |
3377 | } |
3460 | } |
3378 | |
3461 | |
3379 | ev_embed_start (EV_A_ w); |
3462 | ev_embed_start (EV_A_ w); |
3380 | } |
3463 | } |
3381 | |
3464 | |
… | |
… | |
3480 | ev_async_start (EV_P_ ev_async *w) |
3563 | ev_async_start (EV_P_ ev_async *w) |
3481 | { |
3564 | { |
3482 | if (expect_false (ev_is_active (w))) |
3565 | if (expect_false (ev_is_active (w))) |
3483 | return; |
3566 | return; |
3484 | |
3567 | |
|
|
3568 | w->sent = 0; |
|
|
3569 | |
3485 | evpipe_init (EV_A); |
3570 | evpipe_init (EV_A); |
3486 | |
3571 | |
3487 | EV_FREQUENT_CHECK; |
3572 | EV_FREQUENT_CHECK; |
3488 | |
3573 | |
3489 | ev_start (EV_A_ (W)w, ++asynccnt); |
3574 | ev_start (EV_A_ (W)w, ++asynccnt); |
… | |
… | |
3566 | { |
3651 | { |
3567 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3652 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3568 | |
3653 | |
3569 | if (expect_false (!once)) |
3654 | if (expect_false (!once)) |
3570 | { |
3655 | { |
3571 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3656 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3572 | return; |
3657 | return; |
3573 | } |
3658 | } |
3574 | |
3659 | |
3575 | once->cb = cb; |
3660 | once->cb = cb; |
3576 | once->arg = arg; |
3661 | once->arg = arg; |
… | |
… | |
3663 | if (types & EV_ASYNC) |
3748 | if (types & EV_ASYNC) |
3664 | for (i = asynccnt; i--; ) |
3749 | for (i = asynccnt; i--; ) |
3665 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3750 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3666 | #endif |
3751 | #endif |
3667 | |
3752 | |
|
|
3753 | #if EV_PREPARE_ENABLE |
3668 | if (types & EV_PREPARE) |
3754 | if (types & EV_PREPARE) |
3669 | for (i = preparecnt; i--; ) |
3755 | for (i = preparecnt; i--; ) |
3670 | #if EV_EMBED_ENABLE |
3756 | # if EV_EMBED_ENABLE |
3671 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3757 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3672 | #endif |
3758 | # endif |
3673 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3759 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3760 | #endif |
3674 | |
3761 | |
|
|
3762 | #if EV_CHECK_ENABLE |
3675 | if (types & EV_CHECK) |
3763 | if (types & EV_CHECK) |
3676 | for (i = checkcnt; i--; ) |
3764 | for (i = checkcnt; i--; ) |
3677 | cb (EV_A_ EV_CHECK, checks [i]); |
3765 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3766 | #endif |
3678 | |
3767 | |
|
|
3768 | #if EV_SIGNAL_ENABLE |
3679 | if (types & EV_SIGNAL) |
3769 | if (types & EV_SIGNAL) |
3680 | for (i = 0; i < EV_NSIG - 1; ++i) |
3770 | for (i = 0; i < EV_NSIG - 1; ++i) |
3681 | for (wl = signals [i].head; wl; ) |
3771 | for (wl = signals [i].head; wl; ) |
3682 | { |
3772 | { |
3683 | wn = wl->next; |
3773 | wn = wl->next; |
3684 | cb (EV_A_ EV_SIGNAL, wl); |
3774 | cb (EV_A_ EV_SIGNAL, wl); |
3685 | wl = wn; |
3775 | wl = wn; |
3686 | } |
3776 | } |
|
|
3777 | #endif |
3687 | |
3778 | |
|
|
3779 | #if EV_CHILD_ENABLE |
3688 | if (types & EV_CHILD) |
3780 | if (types & EV_CHILD) |
3689 | for (i = EV_PID_HASHSIZE; i--; ) |
3781 | for (i = (EV_PID_HASHSIZE); i--; ) |
3690 | for (wl = childs [i]; wl; ) |
3782 | for (wl = childs [i]; wl; ) |
3691 | { |
3783 | { |
3692 | wn = wl->next; |
3784 | wn = wl->next; |
3693 | cb (EV_A_ EV_CHILD, wl); |
3785 | cb (EV_A_ EV_CHILD, wl); |
3694 | wl = wn; |
3786 | wl = wn; |
3695 | } |
3787 | } |
|
|
3788 | #endif |
3696 | /* EV_STAT 0x00001000 /* stat data changed */ |
3789 | /* EV_STAT 0x00001000 /* stat data changed */ |
3697 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3790 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3698 | } |
3791 | } |
3699 | #endif |
3792 | #endif |
3700 | |
3793 | |
3701 | #if EV_MULTIPLICITY |
3794 | #if EV_MULTIPLICITY |
3702 | #include "ev_wrap.h" |
3795 | #include "ev_wrap.h" |
3703 | #endif |
3796 | #endif |
3704 | |
3797 | |
3705 | #ifdef __cplusplus |
3798 | EV_CPP(}) |
3706 | } |
|
|
3707 | #endif |
|
|
3708 | |
3799 | |