… | |
… | |
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> |
… | |
… | |
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 |
189 | # undef EV_AVOID_STDIO |
196 | # undef EV_AVOID_STDIO |
190 | #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 |
191 | |
206 | |
192 | /* 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 */ |
193 | |
208 | |
194 | /* try to deduce the maximum number of signals on this platform */ |
209 | /* try to deduce the maximum number of signals on this platform */ |
195 | #if defined (EV_NSIG) |
210 | #if defined (EV_NSIG) |
… | |
… | |
207 | #elif defined (MAXSIG) |
222 | #elif defined (MAXSIG) |
208 | # define EV_NSIG (MAXSIG+1) |
223 | # define EV_NSIG (MAXSIG+1) |
209 | #elif defined (MAX_SIG) |
224 | #elif defined (MAX_SIG) |
210 | # define EV_NSIG (MAX_SIG+1) |
225 | # define EV_NSIG (MAX_SIG+1) |
211 | #elif defined (SIGARRAYSIZE) |
226 | #elif defined (SIGARRAYSIZE) |
212 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
227 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
213 | #elif defined (_sys_nsig) |
228 | #elif defined (_sys_nsig) |
214 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
229 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
215 | #else |
230 | #else |
216 | # error "unable to find value for NSIG, please report" |
231 | # error "unable to find value for NSIG, please report" |
217 | /* 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! :) */ |
218 | # define EV_NSIG 65 |
234 | # define EV_NSIG 65 |
219 | #endif |
235 | #endif |
220 | |
236 | |
221 | #ifndef EV_USE_CLOCK_SYSCALL |
237 | #ifndef EV_USE_CLOCK_SYSCALL |
222 | # if __linux && __GLIBC__ >= 2 |
238 | # if __linux && __GLIBC__ >= 2 |
223 | # define EV_USE_CLOCK_SYSCALL 1 |
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
224 | # else |
240 | # else |
225 | # define EV_USE_CLOCK_SYSCALL 0 |
241 | # define EV_USE_CLOCK_SYSCALL 0 |
226 | # endif |
242 | # endif |
227 | #endif |
243 | #endif |
228 | |
244 | |
229 | #ifndef EV_USE_MONOTONIC |
245 | #ifndef EV_USE_MONOTONIC |
230 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
231 | # define EV_USE_MONOTONIC 1 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
232 | # else |
248 | # else |
233 | # define EV_USE_MONOTONIC 0 |
249 | # define EV_USE_MONOTONIC 0 |
234 | # endif |
250 | # endif |
235 | #endif |
251 | #endif |
236 | |
252 | |
… | |
… | |
238 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
254 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
239 | #endif |
255 | #endif |
240 | |
256 | |
241 | #ifndef EV_USE_NANOSLEEP |
257 | #ifndef EV_USE_NANOSLEEP |
242 | # if _POSIX_C_SOURCE >= 199309L |
258 | # if _POSIX_C_SOURCE >= 199309L |
243 | # define EV_USE_NANOSLEEP 1 |
259 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
244 | # else |
260 | # else |
245 | # define EV_USE_NANOSLEEP 0 |
261 | # define EV_USE_NANOSLEEP 0 |
246 | # endif |
262 | # endif |
247 | #endif |
263 | #endif |
248 | |
264 | |
249 | #ifndef EV_USE_SELECT |
265 | #ifndef EV_USE_SELECT |
250 | # define EV_USE_SELECT 1 |
266 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
251 | #endif |
267 | #endif |
252 | |
268 | |
253 | #ifndef EV_USE_POLL |
269 | #ifndef EV_USE_POLL |
254 | # ifdef _WIN32 |
270 | # ifdef _WIN32 |
255 | # define EV_USE_POLL 0 |
271 | # define EV_USE_POLL 0 |
256 | # else |
272 | # else |
257 | # define EV_USE_POLL 1 |
273 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
258 | # endif |
274 | # endif |
259 | #endif |
275 | #endif |
260 | |
276 | |
261 | #ifndef EV_USE_EPOLL |
277 | #ifndef EV_USE_EPOLL |
262 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
263 | # define EV_USE_EPOLL 1 |
279 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
264 | # else |
280 | # else |
265 | # define EV_USE_EPOLL 0 |
281 | # define EV_USE_EPOLL 0 |
266 | # endif |
282 | # endif |
267 | #endif |
283 | #endif |
268 | |
284 | |
… | |
… | |
274 | # define EV_USE_PORT 0 |
290 | # define EV_USE_PORT 0 |
275 | #endif |
291 | #endif |
276 | |
292 | |
277 | #ifndef EV_USE_INOTIFY |
293 | #ifndef EV_USE_INOTIFY |
278 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
294 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
279 | # define EV_USE_INOTIFY 1 |
295 | # define EV_USE_INOTIFY EV_FEATURE_OS |
280 | # else |
296 | # else |
281 | # define EV_USE_INOTIFY 0 |
297 | # define EV_USE_INOTIFY 0 |
282 | # endif |
298 | # endif |
283 | #endif |
299 | #endif |
284 | |
300 | |
285 | #ifndef EV_PID_HASHSIZE |
301 | #ifndef EV_PID_HASHSIZE |
286 | # if EV_MINIMAL |
302 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
287 | # define EV_PID_HASHSIZE 1 |
|
|
288 | # else |
|
|
289 | # define EV_PID_HASHSIZE 16 |
|
|
290 | # endif |
|
|
291 | #endif |
303 | #endif |
292 | |
304 | |
293 | #ifndef EV_INOTIFY_HASHSIZE |
305 | #ifndef EV_INOTIFY_HASHSIZE |
294 | # if EV_MINIMAL |
306 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
295 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
296 | # else |
|
|
297 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
298 | # endif |
|
|
299 | #endif |
307 | #endif |
300 | |
308 | |
301 | #ifndef EV_USE_EVENTFD |
309 | #ifndef EV_USE_EVENTFD |
302 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
303 | # define EV_USE_EVENTFD 1 |
311 | # define EV_USE_EVENTFD EV_FEATURE_OS |
304 | # else |
312 | # else |
305 | # define EV_USE_EVENTFD 0 |
313 | # define EV_USE_EVENTFD 0 |
306 | # endif |
314 | # endif |
307 | #endif |
315 | #endif |
308 | |
316 | |
309 | #ifndef EV_USE_SIGNALFD |
317 | #ifndef EV_USE_SIGNALFD |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
318 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
311 | # define EV_USE_SIGNALFD 1 |
319 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
312 | # else |
320 | # else |
313 | # define EV_USE_SIGNALFD 0 |
321 | # define EV_USE_SIGNALFD 0 |
314 | # endif |
322 | # endif |
315 | #endif |
323 | #endif |
316 | |
324 | |
… | |
… | |
319 | # define EV_USE_4HEAP 1 |
327 | # define EV_USE_4HEAP 1 |
320 | # define EV_HEAP_CACHE_AT 1 |
328 | # define EV_HEAP_CACHE_AT 1 |
321 | #endif |
329 | #endif |
322 | |
330 | |
323 | #ifndef EV_VERIFY |
331 | #ifndef EV_VERIFY |
324 | # define EV_VERIFY !EV_MINIMAL |
332 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
325 | #endif |
333 | #endif |
326 | |
334 | |
327 | #ifndef EV_USE_4HEAP |
335 | #ifndef EV_USE_4HEAP |
328 | # define EV_USE_4HEAP !EV_MINIMAL |
336 | # define EV_USE_4HEAP EV_FEATURE_DATA |
329 | #endif |
337 | #endif |
330 | |
338 | |
331 | #ifndef EV_HEAP_CACHE_AT |
339 | #ifndef EV_HEAP_CACHE_AT |
332 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
340 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
333 | #endif |
341 | #endif |
334 | |
342 | |
335 | /* 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, */ |
336 | /* which makes programs even slower. might work on other unices, too. */ |
344 | /* which makes programs even slower. might work on other unices, too. */ |
337 | #if EV_USE_CLOCK_SYSCALL |
345 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
401 | # define EFD_CLOEXEC O_CLOEXEC |
409 | # define EFD_CLOEXEC O_CLOEXEC |
402 | # else |
410 | # else |
403 | # define EFD_CLOEXEC 02000000 |
411 | # define EFD_CLOEXEC 02000000 |
404 | # endif |
412 | # endif |
405 | # endif |
413 | # endif |
406 | # ifdef __cplusplus |
|
|
407 | extern "C" { |
|
|
408 | # endif |
|
|
409 | int (eventfd) (unsigned int initval, int flags); |
414 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
410 | # ifdef __cplusplus |
|
|
411 | } |
|
|
412 | # endif |
|
|
413 | #endif |
415 | #endif |
414 | |
416 | |
415 | #if EV_USE_SIGNALFD |
417 | #if EV_USE_SIGNALFD |
416 | /* 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 */ |
417 | # include <stdint.h> |
419 | # include <stdint.h> |
… | |
… | |
423 | # define SFD_CLOEXEC O_CLOEXEC |
425 | # define SFD_CLOEXEC O_CLOEXEC |
424 | # else |
426 | # else |
425 | # define SFD_CLOEXEC 02000000 |
427 | # define SFD_CLOEXEC 02000000 |
426 | # endif |
428 | # endif |
427 | # endif |
429 | # endif |
428 | # ifdef __cplusplus |
|
|
429 | extern "C" { |
|
|
430 | # endif |
|
|
431 | 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); |
432 | |
431 | |
433 | struct signalfd_siginfo |
432 | struct signalfd_siginfo |
434 | { |
433 | { |
435 | uint32_t ssi_signo; |
434 | uint32_t ssi_signo; |
436 | char pad[128 - sizeof (uint32_t)]; |
435 | char pad[128 - sizeof (uint32_t)]; |
437 | }; |
436 | }; |
438 | # ifdef __cplusplus |
|
|
439 | } |
|
|
440 | # endif |
437 | #endif |
441 | #endif |
|
|
442 | |
|
|
443 | |
438 | |
444 | /**/ |
439 | /**/ |
445 | |
440 | |
446 | #if EV_VERIFY >= 3 |
441 | #if EV_VERIFY >= 3 |
447 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
442 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
448 | #else |
443 | #else |
449 | # define EV_FREQUENT_CHECK do { } while (0) |
444 | # define EV_FREQUENT_CHECK do { } while (0) |
450 | #endif |
445 | #endif |
451 | |
446 | |
452 | /* |
447 | /* |
… | |
… | |
460 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
455 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
461 | |
456 | |
462 | #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) */ |
463 | #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) */ |
464 | |
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 | |
465 | #if __GNUC__ >= 4 |
463 | #if __GNUC__ >= 4 |
466 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
464 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
467 | # define noinline __attribute__ ((noinline)) |
465 | # define noinline __attribute__ ((noinline)) |
468 | #else |
466 | #else |
469 | # define expect(expr,value) (expr) |
467 | # define expect(expr,value) (expr) |
… | |
… | |
475 | |
473 | |
476 | #define expect_false(expr) expect ((expr) != 0, 0) |
474 | #define expect_false(expr) expect ((expr) != 0, 0) |
477 | #define expect_true(expr) expect ((expr) != 0, 1) |
475 | #define expect_true(expr) expect ((expr) != 0, 1) |
478 | #define inline_size static inline |
476 | #define inline_size static inline |
479 | |
477 | |
480 | #if EV_MINIMAL |
478 | #if EV_FEATURE_CODE |
|
|
479 | # define inline_speed static inline |
|
|
480 | #else |
481 | # define inline_speed static noinline |
481 | # define inline_speed static noinline |
482 | #else |
|
|
483 | # define inline_speed static inline |
|
|
484 | #endif |
482 | #endif |
485 | |
483 | |
486 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
484 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
487 | |
485 | |
488 | #if EV_MINPRI == EV_MAXPRI |
486 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
501 | #define ev_active(w) ((W)(w))->active |
499 | #define ev_active(w) ((W)(w))->active |
502 | #define ev_at(w) ((WT)(w))->at |
500 | #define ev_at(w) ((WT)(w))->at |
503 | |
501 | |
504 | #if EV_USE_REALTIME |
502 | #if EV_USE_REALTIME |
505 | /* 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 */ |
506 | /* giving it a reasonably high chance of working on typical architetcures */ |
504 | /* giving it a reasonably high chance of working on typical architectures */ |
507 | 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? */ |
508 | #endif |
506 | #endif |
509 | |
507 | |
510 | #if EV_USE_MONOTONIC |
508 | #if EV_USE_MONOTONIC |
511 | 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? */ |
… | |
… | |
522 | #endif |
520 | #endif |
523 | |
521 | |
524 | #ifdef _WIN32 |
522 | #ifdef _WIN32 |
525 | # include "ev_win32.c" |
523 | # include "ev_win32.c" |
526 | #endif |
524 | #endif |
|
|
525 | |
|
|
526 | /*****************************************************************************/ |
|
|
527 | |
|
|
528 | static unsigned int noinline |
|
|
529 | ev_linux_version (void) |
|
|
530 | { |
|
|
531 | #ifdef __linux |
|
|
532 | struct utsname buf; |
|
|
533 | unsigned int v; |
|
|
534 | int i; |
|
|
535 | char *p = buf.release; |
|
|
536 | |
|
|
537 | if (uname (&buf)) |
|
|
538 | return 0; |
|
|
539 | |
|
|
540 | for (i = 3+1; --i; ) |
|
|
541 | { |
|
|
542 | unsigned int c = 0; |
|
|
543 | |
|
|
544 | for (;;) |
|
|
545 | { |
|
|
546 | if (*p >= '0' && *p <= '9') |
|
|
547 | c = c * 10 + *p++ - '0'; |
|
|
548 | else |
|
|
549 | { |
|
|
550 | p += *p == '.'; |
|
|
551 | break; |
|
|
552 | } |
|
|
553 | } |
|
|
554 | |
|
|
555 | v = (v << 8) | c; |
|
|
556 | } |
|
|
557 | |
|
|
558 | return v; |
|
|
559 | #else |
|
|
560 | return 0; |
|
|
561 | #endif |
|
|
562 | } |
527 | |
563 | |
528 | /*****************************************************************************/ |
564 | /*****************************************************************************/ |
529 | |
565 | |
530 | #if EV_AVOID_STDIO |
566 | #if EV_AVOID_STDIO |
531 | static void noinline |
567 | static void noinline |
… | |
… | |
572 | { |
608 | { |
573 | #if __GLIBC__ |
609 | #if __GLIBC__ |
574 | return realloc (ptr, size); |
610 | return realloc (ptr, size); |
575 | #else |
611 | #else |
576 | /* some systems, notably openbsd and darwin, fail to properly |
612 | /* some systems, notably openbsd and darwin, fail to properly |
577 | * implement realloc (x, 0) (as required by both ansi c-98 and |
613 | * implement realloc (x, 0) (as required by both ansi c-89 and |
578 | * the single unix specification, so work around them here. |
614 | * the single unix specification, so work around them here. |
579 | */ |
615 | */ |
580 | |
616 | |
581 | if (size) |
617 | if (size) |
582 | return realloc (ptr, size); |
618 | return realloc (ptr, size); |
… | |
… | |
695 | |
731 | |
696 | static int ev_default_loop_ptr; |
732 | static int ev_default_loop_ptr; |
697 | |
733 | |
698 | #endif |
734 | #endif |
699 | |
735 | |
700 | #if EV_MINIMAL < 2 |
736 | #if EV_FEATURE_API |
701 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
737 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
702 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
738 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
703 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
739 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
704 | #else |
740 | #else |
705 | # define EV_RELEASE_CB (void)0 |
741 | # define EV_RELEASE_CB (void)0 |
706 | # define EV_ACQUIRE_CB (void)0 |
742 | # define EV_ACQUIRE_CB (void)0 |
707 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
743 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
708 | #endif |
744 | #endif |
709 | |
745 | |
710 | #define EVUNLOOP_RECURSE 0x80 |
746 | #define EVBREAK_RECURSE 0x80 |
711 | |
747 | |
712 | /*****************************************************************************/ |
748 | /*****************************************************************************/ |
713 | |
749 | |
714 | #ifndef EV_HAVE_EV_TIME |
750 | #ifndef EV_HAVE_EV_TIME |
715 | ev_tstamp |
751 | ev_tstamp |
… | |
… | |
759 | if (delay > 0.) |
795 | if (delay > 0.) |
760 | { |
796 | { |
761 | #if EV_USE_NANOSLEEP |
797 | #if EV_USE_NANOSLEEP |
762 | struct timespec ts; |
798 | struct timespec ts; |
763 | |
799 | |
764 | ts.tv_sec = (time_t)delay; |
800 | EV_TS_SET (ts, delay); |
765 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
766 | |
|
|
767 | nanosleep (&ts, 0); |
801 | nanosleep (&ts, 0); |
768 | #elif defined(_WIN32) |
802 | #elif defined(_WIN32) |
769 | Sleep ((unsigned long)(delay * 1e3)); |
803 | Sleep ((unsigned long)(delay * 1e3)); |
770 | #else |
804 | #else |
771 | struct timeval tv; |
805 | struct timeval tv; |
772 | |
806 | |
773 | tv.tv_sec = (time_t)delay; |
|
|
774 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
775 | |
|
|
776 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
807 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
777 | /* something not guaranteed by newer posix versions, but guaranteed */ |
808 | /* something not guaranteed by newer posix versions, but guaranteed */ |
778 | /* by older ones */ |
809 | /* by older ones */ |
|
|
810 | EV_TV_SET (tv, delay); |
779 | select (0, 0, 0, 0, &tv); |
811 | select (0, 0, 0, 0, &tv); |
780 | #endif |
812 | #endif |
781 | } |
813 | } |
782 | } |
814 | } |
783 | |
815 | |
784 | /*****************************************************************************/ |
816 | /*****************************************************************************/ |
785 | |
817 | |
786 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
818 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
787 | |
819 | |
788 | /* find a suitable new size for the given array, */ |
820 | /* find a suitable new size for the given array, */ |
789 | /* hopefully by rounding to a ncie-to-malloc size */ |
821 | /* hopefully by rounding to a nice-to-malloc size */ |
790 | inline_size int |
822 | inline_size int |
791 | array_nextsize (int elem, int cur, int cnt) |
823 | array_nextsize (int elem, int cur, int cnt) |
792 | { |
824 | { |
793 | int ncur = cur + 1; |
825 | int ncur = cur + 1; |
794 | |
826 | |
… | |
… | |
890 | } |
922 | } |
891 | |
923 | |
892 | /*****************************************************************************/ |
924 | /*****************************************************************************/ |
893 | |
925 | |
894 | inline_speed void |
926 | inline_speed void |
895 | fd_event_nc (EV_P_ int fd, int revents) |
927 | fd_event_nocheck (EV_P_ int fd, int revents) |
896 | { |
928 | { |
897 | ANFD *anfd = anfds + fd; |
929 | ANFD *anfd = anfds + fd; |
898 | ev_io *w; |
930 | ev_io *w; |
899 | |
931 | |
900 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
932 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
912 | fd_event (EV_P_ int fd, int revents) |
944 | fd_event (EV_P_ int fd, int revents) |
913 | { |
945 | { |
914 | ANFD *anfd = anfds + fd; |
946 | ANFD *anfd = anfds + fd; |
915 | |
947 | |
916 | if (expect_true (!anfd->reify)) |
948 | if (expect_true (!anfd->reify)) |
917 | fd_event_nc (EV_A_ fd, revents); |
949 | fd_event_nocheck (EV_A_ fd, revents); |
918 | } |
950 | } |
919 | |
951 | |
920 | void |
952 | void |
921 | ev_feed_fd_event (EV_P_ int fd, int revents) |
953 | ev_feed_fd_event (EV_P_ int fd, int revents) |
922 | { |
954 | { |
923 | if (fd >= 0 && fd < anfdmax) |
955 | if (fd >= 0 && fd < anfdmax) |
924 | fd_event_nc (EV_A_ fd, revents); |
956 | fd_event_nocheck (EV_A_ fd, revents); |
925 | } |
957 | } |
926 | |
958 | |
927 | /* make sure the external fd watch events are in-sync */ |
959 | /* make sure the external fd watch events are in-sync */ |
928 | /* with the kernel/libev internal state */ |
960 | /* with the kernel/libev internal state */ |
929 | inline_size void |
961 | inline_size void |
… | |
… | |
935 | { |
967 | { |
936 | int fd = fdchanges [i]; |
968 | int fd = fdchanges [i]; |
937 | ANFD *anfd = anfds + fd; |
969 | ANFD *anfd = anfds + fd; |
938 | ev_io *w; |
970 | ev_io *w; |
939 | |
971 | |
940 | unsigned char events = 0; |
972 | unsigned char o_events = anfd->events; |
|
|
973 | unsigned char o_reify = anfd->reify; |
941 | |
974 | |
942 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
975 | anfd->reify = 0; |
943 | events |= (unsigned char)w->events; |
|
|
944 | |
976 | |
945 | #if EV_SELECT_IS_WINSOCKET |
977 | #if EV_SELECT_IS_WINSOCKET |
946 | if (events) |
978 | if (o_reify & EV__IOFDSET) |
947 | { |
979 | { |
948 | unsigned long arg; |
980 | unsigned long arg; |
949 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
981 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
950 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
982 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
951 | } |
983 | } |
952 | #endif |
984 | #endif |
953 | |
985 | |
|
|
986 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
954 | { |
987 | { |
955 | unsigned char o_events = anfd->events; |
|
|
956 | unsigned char o_reify = anfd->reify; |
|
|
957 | |
|
|
958 | anfd->reify = 0; |
|
|
959 | anfd->events = events; |
988 | anfd->events = 0; |
960 | |
989 | |
961 | if (o_events != events || o_reify & EV__IOFDSET) |
990 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
991 | anfd->events |= (unsigned char)w->events; |
|
|
992 | |
|
|
993 | if (o_events != anfd->events) |
|
|
994 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
995 | } |
|
|
996 | |
|
|
997 | if (o_reify & EV__IOFDSET) |
962 | backend_modify (EV_A_ fd, o_events, events); |
998 | backend_modify (EV_A_ fd, o_events, anfd->events); |
963 | } |
|
|
964 | } |
999 | } |
965 | |
1000 | |
966 | fdchangecnt = 0; |
1001 | fdchangecnt = 0; |
967 | } |
1002 | } |
968 | |
1003 | |
… | |
… | |
992 | ev_io_stop (EV_A_ w); |
1027 | ev_io_stop (EV_A_ w); |
993 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1028 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
994 | } |
1029 | } |
995 | } |
1030 | } |
996 | |
1031 | |
997 | /* check whether the given fd is atcually valid, for error recovery */ |
1032 | /* check whether the given fd is actually valid, for error recovery */ |
998 | inline_size int |
1033 | inline_size int |
999 | fd_valid (int fd) |
1034 | fd_valid (int fd) |
1000 | { |
1035 | { |
1001 | #ifdef _WIN32 |
1036 | #ifdef _WIN32 |
1002 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1037 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
… | |
… | |
1044 | anfds [fd].emask = 0; |
1079 | anfds [fd].emask = 0; |
1045 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1080 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1046 | } |
1081 | } |
1047 | } |
1082 | } |
1048 | |
1083 | |
|
|
1084 | /* used to prepare libev internal fd's */ |
|
|
1085 | /* this is not fork-safe */ |
|
|
1086 | inline_speed void |
|
|
1087 | fd_intern (int fd) |
|
|
1088 | { |
|
|
1089 | #ifdef _WIN32 |
|
|
1090 | unsigned long arg = 1; |
|
|
1091 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1092 | #else |
|
|
1093 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1094 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1095 | #endif |
|
|
1096 | } |
|
|
1097 | |
1049 | /*****************************************************************************/ |
1098 | /*****************************************************************************/ |
1050 | |
1099 | |
1051 | /* |
1100 | /* |
1052 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1101 | * the heap functions want a real array index. array index 0 is guaranteed to not |
1053 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1102 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1054 | * the branching factor of the d-tree. |
1103 | * the branching factor of the d-tree. |
1055 | */ |
1104 | */ |
1056 | |
1105 | |
1057 | /* |
1106 | /* |
… | |
… | |
1205 | |
1254 | |
1206 | static ANSIG signals [EV_NSIG - 1]; |
1255 | static ANSIG signals [EV_NSIG - 1]; |
1207 | |
1256 | |
1208 | /*****************************************************************************/ |
1257 | /*****************************************************************************/ |
1209 | |
1258 | |
1210 | /* used to prepare libev internal fd's */ |
1259 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1211 | /* this is not fork-safe */ |
|
|
1212 | inline_speed void |
|
|
1213 | fd_intern (int fd) |
|
|
1214 | { |
|
|
1215 | #ifdef _WIN32 |
|
|
1216 | unsigned long arg = 1; |
|
|
1217 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1218 | #else |
|
|
1219 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1220 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1221 | #endif |
|
|
1222 | } |
|
|
1223 | |
1260 | |
1224 | static void noinline |
1261 | static void noinline |
1225 | evpipe_init (EV_P) |
1262 | evpipe_init (EV_P) |
1226 | { |
1263 | { |
1227 | if (!ev_is_active (&pipe_w)) |
1264 | if (!ev_is_active (&pipe_w)) |
1228 | { |
1265 | { |
1229 | #if EV_USE_EVENTFD |
1266 | # if EV_USE_EVENTFD |
1230 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1267 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1231 | if (evfd < 0 && errno == EINVAL) |
1268 | if (evfd < 0 && errno == EINVAL) |
1232 | evfd = eventfd (0, 0); |
1269 | evfd = eventfd (0, 0); |
1233 | |
1270 | |
1234 | if (evfd >= 0) |
1271 | if (evfd >= 0) |
… | |
… | |
1236 | evpipe [0] = -1; |
1273 | evpipe [0] = -1; |
1237 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1274 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1238 | ev_io_set (&pipe_w, evfd, EV_READ); |
1275 | ev_io_set (&pipe_w, evfd, EV_READ); |
1239 | } |
1276 | } |
1240 | else |
1277 | else |
1241 | #endif |
1278 | # endif |
1242 | { |
1279 | { |
1243 | while (pipe (evpipe)) |
1280 | while (pipe (evpipe)) |
1244 | ev_syserr ("(libev) error creating signal/async pipe"); |
1281 | ev_syserr ("(libev) error creating signal/async pipe"); |
1245 | |
1282 | |
1246 | fd_intern (evpipe [0]); |
1283 | fd_intern (evpipe [0]); |
… | |
… | |
1257 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1294 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1258 | { |
1295 | { |
1259 | if (!*flag) |
1296 | if (!*flag) |
1260 | { |
1297 | { |
1261 | int old_errno = errno; /* save errno because write might clobber it */ |
1298 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1299 | char dummy; |
1262 | |
1300 | |
1263 | *flag = 1; |
1301 | *flag = 1; |
1264 | |
1302 | |
1265 | #if EV_USE_EVENTFD |
1303 | #if EV_USE_EVENTFD |
1266 | if (evfd >= 0) |
1304 | if (evfd >= 0) |
… | |
… | |
1268 | uint64_t counter = 1; |
1306 | uint64_t counter = 1; |
1269 | write (evfd, &counter, sizeof (uint64_t)); |
1307 | write (evfd, &counter, sizeof (uint64_t)); |
1270 | } |
1308 | } |
1271 | else |
1309 | else |
1272 | #endif |
1310 | #endif |
|
|
1311 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1312 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1313 | /* so when you think this write should be a send instead, please find out */ |
|
|
1314 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1315 | /* tell me. thank you. */ |
1273 | write (evpipe [1], &old_errno, 1); |
1316 | write (evpipe [1], &dummy, 1); |
1274 | |
1317 | |
1275 | errno = old_errno; |
1318 | errno = old_errno; |
1276 | } |
1319 | } |
1277 | } |
1320 | } |
1278 | |
1321 | |
… | |
… | |
1291 | } |
1334 | } |
1292 | else |
1335 | else |
1293 | #endif |
1336 | #endif |
1294 | { |
1337 | { |
1295 | char dummy; |
1338 | char dummy; |
|
|
1339 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1296 | read (evpipe [0], &dummy, 1); |
1340 | read (evpipe [0], &dummy, 1); |
1297 | } |
1341 | } |
1298 | |
1342 | |
1299 | if (sig_pending) |
1343 | if (sig_pending) |
1300 | { |
1344 | { |
… | |
… | |
1379 | break; |
1423 | break; |
1380 | } |
1424 | } |
1381 | } |
1425 | } |
1382 | #endif |
1426 | #endif |
1383 | |
1427 | |
|
|
1428 | #endif |
|
|
1429 | |
1384 | /*****************************************************************************/ |
1430 | /*****************************************************************************/ |
1385 | |
1431 | |
|
|
1432 | #if EV_CHILD_ENABLE |
1386 | static WL childs [EV_PID_HASHSIZE]; |
1433 | static WL childs [EV_PID_HASHSIZE]; |
1387 | |
|
|
1388 | #ifndef _WIN32 |
|
|
1389 | |
1434 | |
1390 | static ev_signal childev; |
1435 | static ev_signal childev; |
1391 | |
1436 | |
1392 | #ifndef WIFCONTINUED |
1437 | #ifndef WIFCONTINUED |
1393 | # define WIFCONTINUED(status) 0 |
1438 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1398 | child_reap (EV_P_ int chain, int pid, int status) |
1443 | child_reap (EV_P_ int chain, int pid, int status) |
1399 | { |
1444 | { |
1400 | ev_child *w; |
1445 | ev_child *w; |
1401 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1446 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1402 | |
1447 | |
1403 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1448 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1404 | { |
1449 | { |
1405 | if ((w->pid == pid || !w->pid) |
1450 | if ((w->pid == pid || !w->pid) |
1406 | && (!traced || (w->flags & 1))) |
1451 | && (!traced || (w->flags & 1))) |
1407 | { |
1452 | { |
1408 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1453 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1433 | /* make sure we are called again until all children have been reaped */ |
1478 | /* make sure we are called again until all children have been reaped */ |
1434 | /* we need to do it this way so that the callback gets called before we continue */ |
1479 | /* we need to do it this way so that the callback gets called before we continue */ |
1435 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1480 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1436 | |
1481 | |
1437 | child_reap (EV_A_ pid, pid, status); |
1482 | child_reap (EV_A_ pid, pid, status); |
1438 | if (EV_PID_HASHSIZE > 1) |
1483 | if ((EV_PID_HASHSIZE) > 1) |
1439 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1484 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1440 | } |
1485 | } |
1441 | |
1486 | |
1442 | #endif |
1487 | #endif |
1443 | |
1488 | |
… | |
… | |
1510 | #ifdef __APPLE__ |
1555 | #ifdef __APPLE__ |
1511 | /* only select works correctly on that "unix-certified" platform */ |
1556 | /* only select works correctly on that "unix-certified" platform */ |
1512 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1557 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1513 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1558 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1514 | #endif |
1559 | #endif |
|
|
1560 | #ifdef __FreeBSD__ |
|
|
1561 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1562 | #endif |
1515 | |
1563 | |
1516 | return flags; |
1564 | return flags; |
1517 | } |
1565 | } |
1518 | |
1566 | |
1519 | unsigned int |
1567 | unsigned int |
1520 | ev_embeddable_backends (void) |
1568 | ev_embeddable_backends (void) |
1521 | { |
1569 | { |
1522 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1570 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1523 | |
1571 | |
1524 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1572 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1525 | /* please fix it and tell me how to detect the fix */ |
1573 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1526 | flags &= ~EVBACKEND_EPOLL; |
1574 | flags &= ~EVBACKEND_EPOLL; |
1527 | |
1575 | |
1528 | return flags; |
1576 | return flags; |
1529 | } |
1577 | } |
1530 | |
1578 | |
1531 | unsigned int |
1579 | unsigned int |
1532 | ev_backend (EV_P) |
1580 | ev_backend (EV_P) |
1533 | { |
1581 | { |
1534 | return backend; |
1582 | return backend; |
1535 | } |
1583 | } |
1536 | |
1584 | |
1537 | #if EV_MINIMAL < 2 |
1585 | #if EV_FEATURE_API |
1538 | unsigned int |
1586 | unsigned int |
1539 | ev_loop_count (EV_P) |
1587 | ev_iteration (EV_P) |
1540 | { |
1588 | { |
1541 | return loop_count; |
1589 | return loop_count; |
1542 | } |
1590 | } |
1543 | |
1591 | |
1544 | unsigned int |
1592 | unsigned int |
1545 | ev_loop_depth (EV_P) |
1593 | ev_depth (EV_P) |
1546 | { |
1594 | { |
1547 | return loop_depth; |
1595 | return loop_depth; |
1548 | } |
1596 | } |
1549 | |
1597 | |
1550 | void |
1598 | void |
… | |
… | |
1622 | |
1670 | |
1623 | ev_rt_now = ev_time (); |
1671 | ev_rt_now = ev_time (); |
1624 | mn_now = get_clock (); |
1672 | mn_now = get_clock (); |
1625 | now_floor = mn_now; |
1673 | now_floor = mn_now; |
1626 | rtmn_diff = ev_rt_now - mn_now; |
1674 | rtmn_diff = ev_rt_now - mn_now; |
1627 | #if EV_MINIMAL < 2 |
1675 | #if EV_FEATURE_API |
1628 | invoke_cb = ev_invoke_pending; |
1676 | invoke_cb = ev_invoke_pending; |
1629 | #endif |
1677 | #endif |
1630 | |
1678 | |
1631 | io_blocktime = 0.; |
1679 | io_blocktime = 0.; |
1632 | timeout_blocktime = 0.; |
1680 | timeout_blocktime = 0.; |
… | |
… | |
1662 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1710 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1663 | #endif |
1711 | #endif |
1664 | |
1712 | |
1665 | ev_prepare_init (&pending_w, pendingcb); |
1713 | ev_prepare_init (&pending_w, pendingcb); |
1666 | |
1714 | |
|
|
1715 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1667 | ev_init (&pipe_w, pipecb); |
1716 | ev_init (&pipe_w, pipecb); |
1668 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1717 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1718 | #endif |
1669 | } |
1719 | } |
1670 | } |
1720 | } |
1671 | |
1721 | |
1672 | /* free up a loop structure */ |
1722 | /* free up a loop structure */ |
1673 | static void noinline |
1723 | static void noinline |
… | |
… | |
1791 | { |
1841 | { |
1792 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1842 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1793 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1843 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1794 | } |
1844 | } |
1795 | |
1845 | |
|
|
1846 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1796 | evpipe_init (EV_A); |
1847 | evpipe_init (EV_A); |
1797 | /* now iterate over everything, in case we missed something */ |
1848 | /* now iterate over everything, in case we missed something */ |
1798 | pipecb (EV_A_ &pipe_w, EV_READ); |
1849 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1850 | #endif |
1799 | } |
1851 | } |
1800 | |
1852 | |
1801 | postfork = 0; |
1853 | postfork = 0; |
1802 | } |
1854 | } |
1803 | |
1855 | |
… | |
… | |
1865 | verify_watcher (EV_A_ ws [cnt]); |
1917 | verify_watcher (EV_A_ ws [cnt]); |
1866 | } |
1918 | } |
1867 | } |
1919 | } |
1868 | #endif |
1920 | #endif |
1869 | |
1921 | |
1870 | #if EV_MINIMAL < 2 |
1922 | #if EV_FEATURE_API |
1871 | void |
1923 | void |
1872 | ev_loop_verify (EV_P) |
1924 | ev_verify (EV_P) |
1873 | { |
1925 | { |
1874 | #if EV_VERIFY |
1926 | #if EV_VERIFY |
1875 | int i; |
1927 | int i; |
1876 | WL w; |
1928 | WL w; |
1877 | |
1929 | |
… | |
… | |
1916 | #if EV_ASYNC_ENABLE |
1968 | #if EV_ASYNC_ENABLE |
1917 | assert (asyncmax >= asynccnt); |
1969 | assert (asyncmax >= asynccnt); |
1918 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1970 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1919 | #endif |
1971 | #endif |
1920 | |
1972 | |
|
|
1973 | #if EV_PREPARE_ENABLE |
1921 | assert (preparemax >= preparecnt); |
1974 | assert (preparemax >= preparecnt); |
1922 | array_verify (EV_A_ (W *)prepares, preparecnt); |
1975 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1976 | #endif |
1923 | |
1977 | |
|
|
1978 | #if EV_CHECK_ENABLE |
1924 | assert (checkmax >= checkcnt); |
1979 | assert (checkmax >= checkcnt); |
1925 | array_verify (EV_A_ (W *)checks, checkcnt); |
1980 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1981 | #endif |
1926 | |
1982 | |
1927 | # if 0 |
1983 | # if 0 |
|
|
1984 | #if EV_CHILD_ENABLE |
1928 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1985 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1929 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1986 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
1987 | #endif |
1930 | # endif |
1988 | # endif |
1931 | #endif |
1989 | #endif |
1932 | } |
1990 | } |
1933 | #endif |
1991 | #endif |
1934 | |
1992 | |
… | |
… | |
1950 | |
2008 | |
1951 | loop_init (EV_A_ flags); |
2009 | loop_init (EV_A_ flags); |
1952 | |
2010 | |
1953 | if (ev_backend (EV_A)) |
2011 | if (ev_backend (EV_A)) |
1954 | { |
2012 | { |
1955 | #ifndef _WIN32 |
2013 | #if EV_CHILD_ENABLE |
1956 | ev_signal_init (&childev, childcb, SIGCHLD); |
2014 | ev_signal_init (&childev, childcb, SIGCHLD); |
1957 | ev_set_priority (&childev, EV_MAXPRI); |
2015 | ev_set_priority (&childev, EV_MAXPRI); |
1958 | ev_signal_start (EV_A_ &childev); |
2016 | ev_signal_start (EV_A_ &childev); |
1959 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2017 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1960 | #endif |
2018 | #endif |
… | |
… | |
1973 | EV_P = ev_default_loop_ptr; |
2031 | EV_P = ev_default_loop_ptr; |
1974 | #endif |
2032 | #endif |
1975 | |
2033 | |
1976 | ev_default_loop_ptr = 0; |
2034 | ev_default_loop_ptr = 0; |
1977 | |
2035 | |
1978 | #ifndef _WIN32 |
2036 | #if EV_CHILD_ENABLE |
1979 | ev_ref (EV_A); /* child watcher */ |
2037 | ev_ref (EV_A); /* child watcher */ |
1980 | ev_signal_stop (EV_A_ &childev); |
2038 | ev_signal_stop (EV_A_ &childev); |
1981 | #endif |
2039 | #endif |
1982 | |
2040 | |
1983 | loop_destroy (EV_A); |
2041 | loop_destroy (EV_A); |
… | |
… | |
2089 | EV_FREQUENT_CHECK; |
2147 | EV_FREQUENT_CHECK; |
2090 | feed_reverse (EV_A_ (W)w); |
2148 | feed_reverse (EV_A_ (W)w); |
2091 | } |
2149 | } |
2092 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2150 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2093 | |
2151 | |
2094 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2152 | feed_reverse_done (EV_A_ EV_TIMER); |
2095 | } |
2153 | } |
2096 | } |
2154 | } |
2097 | |
2155 | |
2098 | #if EV_PERIODIC_ENABLE |
2156 | #if EV_PERIODIC_ENABLE |
2099 | /* make periodics pending */ |
2157 | /* make periodics pending */ |
… | |
… | |
2152 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2210 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2153 | } |
2211 | } |
2154 | } |
2212 | } |
2155 | |
2213 | |
2156 | /* simply recalculate all periodics */ |
2214 | /* simply recalculate all periodics */ |
2157 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2215 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2158 | static void noinline |
2216 | static void noinline |
2159 | periodics_reschedule (EV_P) |
2217 | periodics_reschedule (EV_P) |
2160 | { |
2218 | { |
2161 | int i; |
2219 | int i; |
2162 | |
2220 | |
… | |
… | |
2258 | mn_now = ev_rt_now; |
2316 | mn_now = ev_rt_now; |
2259 | } |
2317 | } |
2260 | } |
2318 | } |
2261 | |
2319 | |
2262 | void |
2320 | void |
2263 | ev_loop (EV_P_ int flags) |
2321 | ev_run (EV_P_ int flags) |
2264 | { |
2322 | { |
2265 | #if EV_MINIMAL < 2 |
2323 | #if EV_FEATURE_API |
2266 | ++loop_depth; |
2324 | ++loop_depth; |
2267 | #endif |
2325 | #endif |
2268 | |
2326 | |
2269 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2327 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2270 | |
2328 | |
2271 | loop_done = EVUNLOOP_CANCEL; |
2329 | loop_done = EVBREAK_CANCEL; |
2272 | |
2330 | |
2273 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2331 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2274 | |
2332 | |
2275 | do |
2333 | do |
2276 | { |
2334 | { |
2277 | #if EV_VERIFY >= 2 |
2335 | #if EV_VERIFY >= 2 |
2278 | ev_loop_verify (EV_A); |
2336 | ev_verify (EV_A); |
2279 | #endif |
2337 | #endif |
2280 | |
2338 | |
2281 | #ifndef _WIN32 |
2339 | #ifndef _WIN32 |
2282 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2340 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2283 | if (expect_false (getpid () != curpid)) |
2341 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2295 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2353 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2296 | EV_INVOKE_PENDING; |
2354 | EV_INVOKE_PENDING; |
2297 | } |
2355 | } |
2298 | #endif |
2356 | #endif |
2299 | |
2357 | |
|
|
2358 | #if EV_PREPARE_ENABLE |
2300 | /* queue prepare watchers (and execute them) */ |
2359 | /* queue prepare watchers (and execute them) */ |
2301 | if (expect_false (preparecnt)) |
2360 | if (expect_false (preparecnt)) |
2302 | { |
2361 | { |
2303 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2362 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2304 | EV_INVOKE_PENDING; |
2363 | EV_INVOKE_PENDING; |
2305 | } |
2364 | } |
|
|
2365 | #endif |
2306 | |
2366 | |
2307 | if (expect_false (loop_done)) |
2367 | if (expect_false (loop_done)) |
2308 | break; |
2368 | break; |
2309 | |
2369 | |
2310 | /* we might have forked, so reify kernel state if necessary */ |
2370 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2317 | /* calculate blocking time */ |
2377 | /* calculate blocking time */ |
2318 | { |
2378 | { |
2319 | ev_tstamp waittime = 0.; |
2379 | ev_tstamp waittime = 0.; |
2320 | ev_tstamp sleeptime = 0.; |
2380 | ev_tstamp sleeptime = 0.; |
2321 | |
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 | |
2322 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2388 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2323 | { |
2389 | { |
2324 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2325 | ev_tstamp prev_mn_now = mn_now; |
|
|
2326 | |
|
|
2327 | /* update time to cancel out callback processing overhead */ |
|
|
2328 | time_update (EV_A_ 1e100); |
|
|
2329 | |
|
|
2330 | waittime = MAX_BLOCKTIME; |
2390 | waittime = MAX_BLOCKTIME; |
2331 | |
2391 | |
2332 | if (timercnt) |
2392 | if (timercnt) |
2333 | { |
2393 | { |
2334 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2394 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2361 | waittime -= sleeptime; |
2421 | waittime -= sleeptime; |
2362 | } |
2422 | } |
2363 | } |
2423 | } |
2364 | } |
2424 | } |
2365 | |
2425 | |
2366 | #if EV_MINIMAL < 2 |
2426 | #if EV_FEATURE_API |
2367 | ++loop_count; |
2427 | ++loop_count; |
2368 | #endif |
2428 | #endif |
2369 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2429 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2370 | backend_poll (EV_A_ waittime); |
2430 | backend_poll (EV_A_ waittime); |
2371 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2431 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2372 | |
2432 | |
2373 | /* update ev_rt_now, do magic */ |
2433 | /* update ev_rt_now, do magic */ |
2374 | time_update (EV_A_ waittime + sleeptime); |
2434 | time_update (EV_A_ waittime + sleeptime); |
2375 | } |
2435 | } |
2376 | |
2436 | |
… | |
… | |
2383 | #if EV_IDLE_ENABLE |
2443 | #if EV_IDLE_ENABLE |
2384 | /* queue idle watchers unless other events are pending */ |
2444 | /* queue idle watchers unless other events are pending */ |
2385 | idle_reify (EV_A); |
2445 | idle_reify (EV_A); |
2386 | #endif |
2446 | #endif |
2387 | |
2447 | |
|
|
2448 | #if EV_CHECK_ENABLE |
2388 | /* queue check watchers, to be executed first */ |
2449 | /* queue check watchers, to be executed first */ |
2389 | if (expect_false (checkcnt)) |
2450 | if (expect_false (checkcnt)) |
2390 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2451 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2452 | #endif |
2391 | |
2453 | |
2392 | EV_INVOKE_PENDING; |
2454 | EV_INVOKE_PENDING; |
2393 | } |
2455 | } |
2394 | while (expect_true ( |
2456 | while (expect_true ( |
2395 | activecnt |
2457 | activecnt |
2396 | && !loop_done |
2458 | && !loop_done |
2397 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2459 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2398 | )); |
2460 | )); |
2399 | |
2461 | |
2400 | if (loop_done == EVUNLOOP_ONE) |
2462 | if (loop_done == EVBREAK_ONE) |
2401 | loop_done = EVUNLOOP_CANCEL; |
2463 | loop_done = EVBREAK_CANCEL; |
2402 | |
2464 | |
2403 | #if EV_MINIMAL < 2 |
2465 | #if EV_FEATURE_API |
2404 | --loop_depth; |
2466 | --loop_depth; |
2405 | #endif |
2467 | #endif |
2406 | } |
2468 | } |
2407 | |
2469 | |
2408 | void |
2470 | void |
2409 | ev_unloop (EV_P_ int how) |
2471 | ev_break (EV_P_ int how) |
2410 | { |
2472 | { |
2411 | loop_done = how; |
2473 | loop_done = how; |
2412 | } |
2474 | } |
2413 | |
2475 | |
2414 | void |
2476 | void |
… | |
… | |
2562 | EV_FREQUENT_CHECK; |
2624 | EV_FREQUENT_CHECK; |
2563 | |
2625 | |
2564 | wlist_del (&anfds[w->fd].head, (WL)w); |
2626 | wlist_del (&anfds[w->fd].head, (WL)w); |
2565 | ev_stop (EV_A_ (W)w); |
2627 | ev_stop (EV_A_ (W)w); |
2566 | |
2628 | |
2567 | fd_change (EV_A_ w->fd, 1); |
2629 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2568 | |
2630 | |
2569 | EV_FREQUENT_CHECK; |
2631 | EV_FREQUENT_CHECK; |
2570 | } |
2632 | } |
2571 | |
2633 | |
2572 | void noinline |
2634 | void noinline |
… | |
… | |
2725 | |
2787 | |
2726 | #ifndef SA_RESTART |
2788 | #ifndef SA_RESTART |
2727 | # define SA_RESTART 0 |
2789 | # define SA_RESTART 0 |
2728 | #endif |
2790 | #endif |
2729 | |
2791 | |
|
|
2792 | #if EV_SIGNAL_ENABLE |
|
|
2793 | |
2730 | void noinline |
2794 | void noinline |
2731 | ev_signal_start (EV_P_ ev_signal *w) |
2795 | ev_signal_start (EV_P_ ev_signal *w) |
2732 | { |
2796 | { |
2733 | if (expect_false (ev_is_active (w))) |
2797 | if (expect_false (ev_is_active (w))) |
2734 | return; |
2798 | return; |
… | |
… | |
2840 | } |
2904 | } |
2841 | |
2905 | |
2842 | EV_FREQUENT_CHECK; |
2906 | EV_FREQUENT_CHECK; |
2843 | } |
2907 | } |
2844 | |
2908 | |
|
|
2909 | #endif |
|
|
2910 | |
|
|
2911 | #if EV_CHILD_ENABLE |
|
|
2912 | |
2845 | void |
2913 | void |
2846 | ev_child_start (EV_P_ ev_child *w) |
2914 | ev_child_start (EV_P_ ev_child *w) |
2847 | { |
2915 | { |
2848 | #if EV_MULTIPLICITY |
2916 | #if EV_MULTIPLICITY |
2849 | assert (("libev: 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)); |
… | |
… | |
2852 | return; |
2920 | return; |
2853 | |
2921 | |
2854 | EV_FREQUENT_CHECK; |
2922 | EV_FREQUENT_CHECK; |
2855 | |
2923 | |
2856 | ev_start (EV_A_ (W)w, 1); |
2924 | ev_start (EV_A_ (W)w, 1); |
2857 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2925 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2858 | |
2926 | |
2859 | EV_FREQUENT_CHECK; |
2927 | EV_FREQUENT_CHECK; |
2860 | } |
2928 | } |
2861 | |
2929 | |
2862 | void |
2930 | void |
… | |
… | |
2866 | if (expect_false (!ev_is_active (w))) |
2934 | if (expect_false (!ev_is_active (w))) |
2867 | return; |
2935 | return; |
2868 | |
2936 | |
2869 | EV_FREQUENT_CHECK; |
2937 | EV_FREQUENT_CHECK; |
2870 | |
2938 | |
2871 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2939 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2872 | ev_stop (EV_A_ (W)w); |
2940 | ev_stop (EV_A_ (W)w); |
2873 | |
2941 | |
2874 | EV_FREQUENT_CHECK; |
2942 | EV_FREQUENT_CHECK; |
2875 | } |
2943 | } |
|
|
2944 | |
|
|
2945 | #endif |
2876 | |
2946 | |
2877 | #if EV_STAT_ENABLE |
2947 | #if EV_STAT_ENABLE |
2878 | |
2948 | |
2879 | # ifdef _WIN32 |
2949 | # ifdef _WIN32 |
2880 | # undef lstat |
2950 | # undef lstat |
… | |
… | |
2947 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3017 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2948 | } |
3018 | } |
2949 | } |
3019 | } |
2950 | |
3020 | |
2951 | if (w->wd >= 0) |
3021 | if (w->wd >= 0) |
2952 | 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); |
2953 | |
3023 | |
2954 | /* now re-arm timer, if required */ |
3024 | /* now re-arm timer, if required */ |
2955 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3025 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2956 | ev_timer_again (EV_A_ &w->timer); |
3026 | ev_timer_again (EV_A_ &w->timer); |
2957 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
3027 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
… | |
… | |
2965 | |
3035 | |
2966 | if (wd < 0) |
3036 | if (wd < 0) |
2967 | return; |
3037 | return; |
2968 | |
3038 | |
2969 | w->wd = -2; |
3039 | w->wd = -2; |
2970 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3040 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2971 | wlist_del (&fs_hash [slot].head, (WL)w); |
3041 | wlist_del (&fs_hash [slot].head, (WL)w); |
2972 | |
3042 | |
2973 | /* remove this watcher, if others are watching it, they will rearm */ |
3043 | /* remove this watcher, if others are watching it, they will rearm */ |
2974 | inotify_rm_watch (fs_fd, wd); |
3044 | inotify_rm_watch (fs_fd, wd); |
2975 | } |
3045 | } |
… | |
… | |
2977 | static void noinline |
3047 | static void noinline |
2978 | 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) |
2979 | { |
3049 | { |
2980 | if (slot < 0) |
3050 | if (slot < 0) |
2981 | /* overflow, need to check for all hash slots */ |
3051 | /* overflow, need to check for all hash slots */ |
2982 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3052 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2983 | infy_wd (EV_A_ slot, wd, ev); |
3053 | infy_wd (EV_A_ slot, wd, ev); |
2984 | else |
3054 | else |
2985 | { |
3055 | { |
2986 | WL w_; |
3056 | WL w_; |
2987 | |
3057 | |
2988 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3058 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2989 | { |
3059 | { |
2990 | ev_stat *w = (ev_stat *)w_; |
3060 | ev_stat *w = (ev_stat *)w_; |
2991 | 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 */ |
2992 | |
3062 | |
2993 | if (w->wd == wd || wd == -1) |
3063 | if (w->wd == wd || wd == -1) |
2994 | { |
3064 | { |
2995 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3065 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2996 | { |
3066 | { |
2997 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3067 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2998 | w->wd = -1; |
3068 | w->wd = -1; |
2999 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3069 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3000 | } |
3070 | } |
3001 | |
3071 | |
3002 | stat_timer_cb (EV_A_ &w->timer, 0); |
3072 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
3016 | { |
3086 | { |
3017 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3087 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3018 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3088 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3019 | ofs += sizeof (struct inotify_event) + ev->len; |
3089 | ofs += sizeof (struct inotify_event) + ev->len; |
3020 | } |
3090 | } |
3021 | } |
|
|
3022 | |
|
|
3023 | inline_size unsigned int |
|
|
3024 | ev_linux_version (void) |
|
|
3025 | { |
|
|
3026 | struct utsname buf; |
|
|
3027 | unsigned int v; |
|
|
3028 | int i; |
|
|
3029 | char *p = buf.release; |
|
|
3030 | |
|
|
3031 | if (uname (&buf)) |
|
|
3032 | return 0; |
|
|
3033 | |
|
|
3034 | for (i = 3+1; --i; ) |
|
|
3035 | { |
|
|
3036 | unsigned int c = 0; |
|
|
3037 | |
|
|
3038 | for (;;) |
|
|
3039 | { |
|
|
3040 | if (*p >= '0' && *p <= '9') |
|
|
3041 | c = c * 10 + *p++ - '0'; |
|
|
3042 | else |
|
|
3043 | { |
|
|
3044 | p += *p == '.'; |
|
|
3045 | break; |
|
|
3046 | } |
|
|
3047 | } |
|
|
3048 | |
|
|
3049 | v = (v << 8) | c; |
|
|
3050 | } |
|
|
3051 | |
|
|
3052 | return v; |
|
|
3053 | } |
3091 | } |
3054 | |
3092 | |
3055 | inline_size void |
3093 | inline_size void |
3056 | ev_check_2625 (EV_P) |
3094 | ev_check_2625 (EV_P) |
3057 | { |
3095 | { |
… | |
… | |
3116 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3154 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3117 | ev_io_start (EV_A_ &fs_w); |
3155 | ev_io_start (EV_A_ &fs_w); |
3118 | ev_unref (EV_A); |
3156 | ev_unref (EV_A); |
3119 | } |
3157 | } |
3120 | |
3158 | |
3121 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3159 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3122 | { |
3160 | { |
3123 | WL w_ = fs_hash [slot].head; |
3161 | WL w_ = fs_hash [slot].head; |
3124 | fs_hash [slot].head = 0; |
3162 | fs_hash [slot].head = 0; |
3125 | |
3163 | |
3126 | while (w_) |
3164 | while (w_) |
… | |
… | |
3301 | |
3339 | |
3302 | EV_FREQUENT_CHECK; |
3340 | EV_FREQUENT_CHECK; |
3303 | } |
3341 | } |
3304 | #endif |
3342 | #endif |
3305 | |
3343 | |
|
|
3344 | #if EV_PREPARE_ENABLE |
3306 | void |
3345 | void |
3307 | ev_prepare_start (EV_P_ ev_prepare *w) |
3346 | ev_prepare_start (EV_P_ ev_prepare *w) |
3308 | { |
3347 | { |
3309 | if (expect_false (ev_is_active (w))) |
3348 | if (expect_false (ev_is_active (w))) |
3310 | return; |
3349 | return; |
… | |
… | |
3336 | |
3375 | |
3337 | ev_stop (EV_A_ (W)w); |
3376 | ev_stop (EV_A_ (W)w); |
3338 | |
3377 | |
3339 | EV_FREQUENT_CHECK; |
3378 | EV_FREQUENT_CHECK; |
3340 | } |
3379 | } |
|
|
3380 | #endif |
3341 | |
3381 | |
|
|
3382 | #if EV_CHECK_ENABLE |
3342 | void |
3383 | void |
3343 | ev_check_start (EV_P_ ev_check *w) |
3384 | ev_check_start (EV_P_ ev_check *w) |
3344 | { |
3385 | { |
3345 | if (expect_false (ev_is_active (w))) |
3386 | if (expect_false (ev_is_active (w))) |
3346 | return; |
3387 | return; |
… | |
… | |
3372 | |
3413 | |
3373 | ev_stop (EV_A_ (W)w); |
3414 | ev_stop (EV_A_ (W)w); |
3374 | |
3415 | |
3375 | EV_FREQUENT_CHECK; |
3416 | EV_FREQUENT_CHECK; |
3376 | } |
3417 | } |
|
|
3418 | #endif |
3377 | |
3419 | |
3378 | #if EV_EMBED_ENABLE |
3420 | #if EV_EMBED_ENABLE |
3379 | void noinline |
3421 | void noinline |
3380 | ev_embed_sweep (EV_P_ ev_embed *w) |
3422 | ev_embed_sweep (EV_P_ ev_embed *w) |
3381 | { |
3423 | { |
3382 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3424 | ev_run (w->other, EVRUN_NOWAIT); |
3383 | } |
3425 | } |
3384 | |
3426 | |
3385 | static void |
3427 | static void |
3386 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3428 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3387 | { |
3429 | { |
3388 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3430 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3389 | |
3431 | |
3390 | if (ev_cb (w)) |
3432 | if (ev_cb (w)) |
3391 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3433 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3392 | else |
3434 | else |
3393 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3435 | ev_run (w->other, EVRUN_NOWAIT); |
3394 | } |
3436 | } |
3395 | |
3437 | |
3396 | static void |
3438 | static void |
3397 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3439 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3398 | { |
3440 | { |
… | |
… | |
3402 | EV_P = w->other; |
3444 | EV_P = w->other; |
3403 | |
3445 | |
3404 | while (fdchangecnt) |
3446 | while (fdchangecnt) |
3405 | { |
3447 | { |
3406 | fd_reify (EV_A); |
3448 | fd_reify (EV_A); |
3407 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3449 | ev_run (EV_A_ EVRUN_NOWAIT); |
3408 | } |
3450 | } |
3409 | } |
3451 | } |
3410 | } |
3452 | } |
3411 | |
3453 | |
3412 | static void |
3454 | static void |
… | |
… | |
3418 | |
3460 | |
3419 | { |
3461 | { |
3420 | EV_P = w->other; |
3462 | EV_P = w->other; |
3421 | |
3463 | |
3422 | ev_loop_fork (EV_A); |
3464 | ev_loop_fork (EV_A); |
3423 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3465 | ev_run (EV_A_ EVRUN_NOWAIT); |
3424 | } |
3466 | } |
3425 | |
3467 | |
3426 | ev_embed_start (EV_A_ w); |
3468 | ev_embed_start (EV_A_ w); |
3427 | } |
3469 | } |
3428 | |
3470 | |
… | |
… | |
3527 | ev_async_start (EV_P_ ev_async *w) |
3569 | ev_async_start (EV_P_ ev_async *w) |
3528 | { |
3570 | { |
3529 | if (expect_false (ev_is_active (w))) |
3571 | if (expect_false (ev_is_active (w))) |
3530 | return; |
3572 | return; |
3531 | |
3573 | |
|
|
3574 | w->sent = 0; |
|
|
3575 | |
3532 | evpipe_init (EV_A); |
3576 | evpipe_init (EV_A); |
3533 | |
3577 | |
3534 | EV_FREQUENT_CHECK; |
3578 | EV_FREQUENT_CHECK; |
3535 | |
3579 | |
3536 | ev_start (EV_A_ (W)w, ++asynccnt); |
3580 | ev_start (EV_A_ (W)w, ++asynccnt); |
… | |
… | |
3613 | { |
3657 | { |
3614 | 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)); |
3615 | |
3659 | |
3616 | if (expect_false (!once)) |
3660 | if (expect_false (!once)) |
3617 | { |
3661 | { |
3618 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3662 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3619 | return; |
3663 | return; |
3620 | } |
3664 | } |
3621 | |
3665 | |
3622 | once->cb = cb; |
3666 | once->cb = cb; |
3623 | once->arg = arg; |
3667 | once->arg = arg; |
… | |
… | |
3710 | if (types & EV_ASYNC) |
3754 | if (types & EV_ASYNC) |
3711 | for (i = asynccnt; i--; ) |
3755 | for (i = asynccnt; i--; ) |
3712 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3756 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3713 | #endif |
3757 | #endif |
3714 | |
3758 | |
|
|
3759 | #if EV_PREPARE_ENABLE |
3715 | if (types & EV_PREPARE) |
3760 | if (types & EV_PREPARE) |
3716 | for (i = preparecnt; i--; ) |
3761 | for (i = preparecnt; i--; ) |
3717 | #if EV_EMBED_ENABLE |
3762 | # if EV_EMBED_ENABLE |
3718 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3763 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3719 | #endif |
3764 | # endif |
3720 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3765 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3766 | #endif |
3721 | |
3767 | |
|
|
3768 | #if EV_CHECK_ENABLE |
3722 | if (types & EV_CHECK) |
3769 | if (types & EV_CHECK) |
3723 | for (i = checkcnt; i--; ) |
3770 | for (i = checkcnt; i--; ) |
3724 | cb (EV_A_ EV_CHECK, checks [i]); |
3771 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3772 | #endif |
3725 | |
3773 | |
|
|
3774 | #if EV_SIGNAL_ENABLE |
3726 | if (types & EV_SIGNAL) |
3775 | if (types & EV_SIGNAL) |
3727 | for (i = 0; i < EV_NSIG - 1; ++i) |
3776 | for (i = 0; i < EV_NSIG - 1; ++i) |
3728 | for (wl = signals [i].head; wl; ) |
3777 | for (wl = signals [i].head; wl; ) |
3729 | { |
3778 | { |
3730 | wn = wl->next; |
3779 | wn = wl->next; |
3731 | cb (EV_A_ EV_SIGNAL, wl); |
3780 | cb (EV_A_ EV_SIGNAL, wl); |
3732 | wl = wn; |
3781 | wl = wn; |
3733 | } |
3782 | } |
|
|
3783 | #endif |
3734 | |
3784 | |
|
|
3785 | #if EV_CHILD_ENABLE |
3735 | if (types & EV_CHILD) |
3786 | if (types & EV_CHILD) |
3736 | for (i = EV_PID_HASHSIZE; i--; ) |
3787 | for (i = (EV_PID_HASHSIZE); i--; ) |
3737 | for (wl = childs [i]; wl; ) |
3788 | for (wl = childs [i]; wl; ) |
3738 | { |
3789 | { |
3739 | wn = wl->next; |
3790 | wn = wl->next; |
3740 | cb (EV_A_ EV_CHILD, wl); |
3791 | cb (EV_A_ EV_CHILD, wl); |
3741 | wl = wn; |
3792 | wl = wn; |
3742 | } |
3793 | } |
|
|
3794 | #endif |
3743 | /* EV_STAT 0x00001000 /* stat data changed */ |
3795 | /* EV_STAT 0x00001000 /* stat data changed */ |
3744 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3796 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3745 | } |
3797 | } |
3746 | #endif |
3798 | #endif |
3747 | |
3799 | |
3748 | #if EV_MULTIPLICITY |
3800 | #if EV_MULTIPLICITY |
3749 | #include "ev_wrap.h" |
3801 | #include "ev_wrap.h" |
3750 | #endif |
3802 | #endif |
3751 | |
3803 | |
3752 | #ifdef __cplusplus |
3804 | EV_CPP(}) |
3753 | } |
|
|
3754 | #endif |
|
|
3755 | |
3805 | |