1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
110 | # define EV_USE_EPOLL 0 |
110 | # define EV_USE_EPOLL 0 |
111 | # endif |
111 | # endif |
112 | # endif |
112 | # endif |
113 | |
113 | |
114 | # ifndef EV_USE_KQUEUE |
114 | # ifndef EV_USE_KQUEUE |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
116 | # define EV_USE_KQUEUE 1 |
116 | # define EV_USE_KQUEUE 1 |
117 | # else |
117 | # else |
118 | # define EV_USE_KQUEUE 0 |
118 | # define EV_USE_KQUEUE 0 |
119 | # endif |
119 | # endif |
120 | # endif |
120 | # endif |
… | |
… | |
133 | # else |
133 | # else |
134 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY 0 |
135 | # endif |
135 | # endif |
136 | # endif |
136 | # endif |
137 | |
137 | |
|
|
138 | # ifndef EV_USE_SIGNALFD |
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|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
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|
140 | # define EV_USE_SIGNALFD 1 |
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141 | # else |
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142 | # define EV_USE_SIGNALFD 0 |
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143 | # endif |
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144 | # endif |
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|
145 | |
138 | # ifndef EV_USE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
139 | # if HAVE_EVENTFD |
147 | # if HAVE_EVENTFD |
140 | # define EV_USE_EVENTFD 1 |
148 | # define EV_USE_EVENTFD 1 |
141 | # else |
149 | # else |
142 | # define EV_USE_EVENTFD 0 |
150 | # define EV_USE_EVENTFD 0 |
… | |
… | |
145 | |
153 | |
146 | #endif |
154 | #endif |
147 | |
155 | |
148 | #include <math.h> |
156 | #include <math.h> |
149 | #include <stdlib.h> |
157 | #include <stdlib.h> |
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|
158 | #include <string.h> |
150 | #include <fcntl.h> |
159 | #include <fcntl.h> |
151 | #include <stddef.h> |
160 | #include <stddef.h> |
152 | |
161 | |
153 | #include <stdio.h> |
162 | #include <stdio.h> |
154 | |
163 | |
155 | #include <assert.h> |
164 | #include <assert.h> |
156 | #include <errno.h> |
165 | #include <errno.h> |
157 | #include <sys/types.h> |
166 | #include <sys/types.h> |
158 | #include <time.h> |
167 | #include <time.h> |
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|
168 | #include <limits.h> |
159 | |
169 | |
160 | #include <signal.h> |
170 | #include <signal.h> |
161 | |
171 | |
162 | #ifdef EV_H |
172 | #ifdef EV_H |
163 | # include EV_H |
173 | # include EV_H |
… | |
… | |
174 | # define WIN32_LEAN_AND_MEAN |
184 | # define WIN32_LEAN_AND_MEAN |
175 | # include <windows.h> |
185 | # include <windows.h> |
176 | # ifndef EV_SELECT_IS_WINSOCKET |
186 | # ifndef EV_SELECT_IS_WINSOCKET |
177 | # define EV_SELECT_IS_WINSOCKET 1 |
187 | # define EV_SELECT_IS_WINSOCKET 1 |
178 | # endif |
188 | # endif |
|
|
189 | # undef EV_AVOID_STDIO |
179 | #endif |
190 | #endif |
180 | |
191 | |
181 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
192 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
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193 | |
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194 | /* try to deduce the maximum number of signals on this platform */ |
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195 | #if defined (EV_NSIG) |
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|
196 | /* use what's provided */ |
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197 | #elif defined (NSIG) |
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|
198 | # define EV_NSIG (NSIG) |
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199 | #elif defined(_NSIG) |
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|
200 | # define EV_NSIG (_NSIG) |
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|
201 | #elif defined (SIGMAX) |
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|
202 | # define EV_NSIG (SIGMAX+1) |
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|
203 | #elif defined (SIG_MAX) |
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|
204 | # define EV_NSIG (SIG_MAX+1) |
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|
205 | #elif defined (_SIG_MAX) |
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206 | # define EV_NSIG (_SIG_MAX+1) |
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|
207 | #elif defined (MAXSIG) |
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208 | # define EV_NSIG (MAXSIG+1) |
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209 | #elif defined (MAX_SIG) |
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210 | # define EV_NSIG (MAX_SIG+1) |
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211 | #elif defined (SIGARRAYSIZE) |
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212 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
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213 | #elif defined (_sys_nsig) |
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214 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
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215 | #else |
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216 | # error "unable to find value for NSIG, please report" |
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217 | /* to make it compile regardless, just remove the above line */ |
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218 | # define EV_NSIG 65 |
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|
219 | #endif |
182 | |
220 | |
183 | #ifndef EV_USE_CLOCK_SYSCALL |
221 | #ifndef EV_USE_CLOCK_SYSCALL |
184 | # if __linux && __GLIBC__ >= 2 |
222 | # if __linux && __GLIBC__ >= 2 |
185 | # define EV_USE_CLOCK_SYSCALL 1 |
223 | # define EV_USE_CLOCK_SYSCALL 1 |
186 | # else |
224 | # else |
… | |
… | |
263 | #ifndef EV_USE_EVENTFD |
301 | #ifndef EV_USE_EVENTFD |
264 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
302 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
265 | # define EV_USE_EVENTFD 1 |
303 | # define EV_USE_EVENTFD 1 |
266 | # else |
304 | # else |
267 | # define EV_USE_EVENTFD 0 |
305 | # define EV_USE_EVENTFD 0 |
|
|
306 | # endif |
|
|
307 | #endif |
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|
308 | |
|
|
309 | #ifndef EV_USE_SIGNALFD |
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|
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
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|
311 | # define EV_USE_SIGNALFD 1 |
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312 | # else |
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313 | # define EV_USE_SIGNALFD 0 |
268 | # endif |
314 | # endif |
269 | #endif |
315 | #endif |
270 | |
316 | |
271 | #if 0 /* debugging */ |
317 | #if 0 /* debugging */ |
272 | # define EV_VERIFY 3 |
318 | # define EV_VERIFY 3 |
… | |
… | |
300 | # endif |
346 | # endif |
301 | #endif |
347 | #endif |
302 | |
348 | |
303 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
349 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
304 | |
350 | |
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|
351 | #ifdef _AIX |
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|
352 | /* AIX has a completely broken poll.h header */ |
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353 | # undef EV_USE_POLL |
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354 | # define EV_USE_POLL 0 |
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355 | #endif |
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356 | |
305 | #ifndef CLOCK_MONOTONIC |
357 | #ifndef CLOCK_MONOTONIC |
306 | # undef EV_USE_MONOTONIC |
358 | # undef EV_USE_MONOTONIC |
307 | # define EV_USE_MONOTONIC 0 |
359 | # define EV_USE_MONOTONIC 0 |
308 | #endif |
360 | #endif |
309 | |
361 | |
… | |
… | |
339 | #endif |
391 | #endif |
340 | |
392 | |
341 | #if EV_USE_EVENTFD |
393 | #if EV_USE_EVENTFD |
342 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
394 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
343 | # include <stdint.h> |
395 | # include <stdint.h> |
|
|
396 | # ifndef EFD_NONBLOCK |
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|
397 | # define EFD_NONBLOCK O_NONBLOCK |
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|
398 | # endif |
|
|
399 | # ifndef EFD_CLOEXEC |
|
|
400 | # ifdef O_CLOEXEC |
|
|
401 | # define EFD_CLOEXEC O_CLOEXEC |
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|
402 | # else |
|
|
403 | # define EFD_CLOEXEC 02000000 |
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|
404 | # endif |
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|
405 | # endif |
344 | # ifdef __cplusplus |
406 | # ifdef __cplusplus |
345 | extern "C" { |
407 | extern "C" { |
346 | # endif |
408 | # endif |
347 | int eventfd (unsigned int initval, int flags); |
409 | int (eventfd) (unsigned int initval, int flags); |
348 | # ifdef __cplusplus |
410 | # ifdef __cplusplus |
349 | } |
411 | } |
350 | # endif |
412 | # endif |
351 | #endif |
413 | #endif |
|
|
414 | |
|
|
415 | #if EV_USE_SIGNALFD |
|
|
416 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
417 | # include <stdint.h> |
|
|
418 | # ifndef SFD_NONBLOCK |
|
|
419 | # define SFD_NONBLOCK O_NONBLOCK |
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|
420 | # endif |
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|
421 | # ifndef SFD_CLOEXEC |
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|
422 | # ifdef O_CLOEXEC |
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|
423 | # define SFD_CLOEXEC O_CLOEXEC |
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|
424 | # else |
|
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425 | # define SFD_CLOEXEC 02000000 |
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|
426 | # endif |
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|
427 | # endif |
|
|
428 | # ifdef __cplusplus |
|
|
429 | extern "C" { |
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|
430 | # endif |
|
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431 | int signalfd (int fd, const sigset_t *mask, int flags); |
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|
432 | |
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|
433 | struct signalfd_siginfo |
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|
434 | { |
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435 | uint32_t ssi_signo; |
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436 | char pad[128 - sizeof (uint32_t)]; |
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|
437 | }; |
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|
438 | # ifdef __cplusplus |
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|
439 | } |
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440 | # endif |
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|
441 | #endif |
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|
442 | |
352 | |
443 | |
353 | /**/ |
444 | /**/ |
354 | |
445 | |
355 | #if EV_VERIFY >= 3 |
446 | #if EV_VERIFY >= 3 |
356 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
447 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
… | |
… | |
368 | */ |
459 | */ |
369 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
460 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
370 | |
461 | |
371 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
462 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
372 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
463 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
373 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
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|
374 | |
464 | |
375 | #if __GNUC__ >= 4 |
465 | #if __GNUC__ >= 4 |
376 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
466 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
377 | # define noinline __attribute__ ((noinline)) |
467 | # define noinline __attribute__ ((noinline)) |
378 | #else |
468 | #else |
… | |
… | |
419 | |
509 | |
420 | #if EV_USE_MONOTONIC |
510 | #if EV_USE_MONOTONIC |
421 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
511 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
422 | #endif |
512 | #endif |
423 | |
513 | |
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|
514 | #ifndef EV_FD_TO_WIN32_HANDLE |
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|
515 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
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|
516 | #endif |
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|
517 | #ifndef EV_WIN32_HANDLE_TO_FD |
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|
518 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
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|
519 | #endif |
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|
520 | #ifndef EV_WIN32_CLOSE_FD |
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|
521 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
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|
522 | #endif |
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523 | |
424 | #ifdef _WIN32 |
524 | #ifdef _WIN32 |
425 | # include "ev_win32.c" |
525 | # include "ev_win32.c" |
426 | #endif |
526 | #endif |
427 | |
527 | |
428 | /*****************************************************************************/ |
528 | /*****************************************************************************/ |
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529 | |
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530 | #if EV_AVOID_STDIO |
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|
531 | static void noinline |
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|
532 | ev_printerr (const char *msg) |
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533 | { |
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534 | write (STDERR_FILENO, msg, strlen (msg)); |
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535 | } |
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536 | #endif |
429 | |
537 | |
430 | static void (*syserr_cb)(const char *msg); |
538 | static void (*syserr_cb)(const char *msg); |
431 | |
539 | |
432 | void |
540 | void |
433 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
541 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
443 | |
551 | |
444 | if (syserr_cb) |
552 | if (syserr_cb) |
445 | syserr_cb (msg); |
553 | syserr_cb (msg); |
446 | else |
554 | else |
447 | { |
555 | { |
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|
556 | #if EV_AVOID_STDIO |
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|
557 | const char *err = strerror (errno); |
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|
558 | |
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559 | ev_printerr (msg); |
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|
560 | ev_printerr (": "); |
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|
561 | ev_printerr (err); |
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|
562 | ev_printerr ("\n"); |
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|
563 | #else |
448 | perror (msg); |
564 | perror (msg); |
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|
565 | #endif |
449 | abort (); |
566 | abort (); |
450 | } |
567 | } |
451 | } |
568 | } |
452 | |
569 | |
453 | static void * |
570 | static void * |
… | |
… | |
478 | { |
595 | { |
479 | ptr = alloc (ptr, size); |
596 | ptr = alloc (ptr, size); |
480 | |
597 | |
481 | if (!ptr && size) |
598 | if (!ptr && size) |
482 | { |
599 | { |
|
|
600 | #if EV_AVOID_STDIO |
|
|
601 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
|
|
602 | #else |
483 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
603 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
604 | #endif |
484 | abort (); |
605 | abort (); |
485 | } |
606 | } |
486 | |
607 | |
487 | return ptr; |
608 | return ptr; |
488 | } |
609 | } |
… | |
… | |
647 | |
768 | |
648 | tv.tv_sec = (time_t)delay; |
769 | tv.tv_sec = (time_t)delay; |
649 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
770 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
650 | |
771 | |
651 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
772 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
652 | /* somehting not guaranteed by newer posix versions, but guaranteed */ |
773 | /* something not guaranteed by newer posix versions, but guaranteed */ |
653 | /* by older ones */ |
774 | /* by older ones */ |
654 | select (0, 0, 0, 0, &tv); |
775 | select (0, 0, 0, 0, &tv); |
655 | #endif |
776 | #endif |
656 | } |
777 | } |
657 | } |
778 | } |
… | |
… | |
819 | |
940 | |
820 | #if EV_SELECT_IS_WINSOCKET |
941 | #if EV_SELECT_IS_WINSOCKET |
821 | if (events) |
942 | if (events) |
822 | { |
943 | { |
823 | unsigned long arg; |
944 | unsigned long arg; |
824 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
825 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
945 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
826 | #else |
|
|
827 | anfd->handle = _get_osfhandle (fd); |
|
|
828 | #endif |
|
|
829 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
946 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
830 | } |
947 | } |
831 | #endif |
948 | #endif |
832 | |
949 | |
833 | { |
950 | { |
… | |
… | |
876 | /* check whether the given fd is atcually valid, for error recovery */ |
993 | /* check whether the given fd is atcually valid, for error recovery */ |
877 | inline_size int |
994 | inline_size int |
878 | fd_valid (int fd) |
995 | fd_valid (int fd) |
879 | { |
996 | { |
880 | #ifdef _WIN32 |
997 | #ifdef _WIN32 |
881 | return _get_osfhandle (fd) != -1; |
998 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
882 | #else |
999 | #else |
883 | return fcntl (fd, F_GETFD) != -1; |
1000 | return fcntl (fd, F_GETFD) != -1; |
884 | #endif |
1001 | #endif |
885 | } |
1002 | } |
886 | |
1003 | |
… | |
… | |
904 | |
1021 | |
905 | for (fd = anfdmax; fd--; ) |
1022 | for (fd = anfdmax; fd--; ) |
906 | if (anfds [fd].events) |
1023 | if (anfds [fd].events) |
907 | { |
1024 | { |
908 | fd_kill (EV_A_ fd); |
1025 | fd_kill (EV_A_ fd); |
909 | return; |
1026 | break; |
910 | } |
1027 | } |
911 | } |
1028 | } |
912 | |
1029 | |
913 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1030 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
914 | static void noinline |
1031 | static void noinline |
… | |
… | |
1004 | |
1121 | |
1005 | for (;;) |
1122 | for (;;) |
1006 | { |
1123 | { |
1007 | int c = k << 1; |
1124 | int c = k << 1; |
1008 | |
1125 | |
1009 | if (c > N + HEAP0 - 1) |
1126 | if (c >= N + HEAP0) |
1010 | break; |
1127 | break; |
1011 | |
1128 | |
1012 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1129 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1013 | ? 1 : 0; |
1130 | ? 1 : 0; |
1014 | |
1131 | |
… | |
… | |
1050 | |
1167 | |
1051 | /* move an element suitably so it is in a correct place */ |
1168 | /* move an element suitably so it is in a correct place */ |
1052 | inline_size void |
1169 | inline_size void |
1053 | adjustheap (ANHE *heap, int N, int k) |
1170 | adjustheap (ANHE *heap, int N, int k) |
1054 | { |
1171 | { |
1055 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1172 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
1056 | upheap (heap, k); |
1173 | upheap (heap, k); |
1057 | else |
1174 | else |
1058 | downheap (heap, N, k); |
1175 | downheap (heap, N, k); |
1059 | } |
1176 | } |
1060 | |
1177 | |
… | |
… | |
1073 | /*****************************************************************************/ |
1190 | /*****************************************************************************/ |
1074 | |
1191 | |
1075 | /* associate signal watchers to a signal signal */ |
1192 | /* associate signal watchers to a signal signal */ |
1076 | typedef struct |
1193 | typedef struct |
1077 | { |
1194 | { |
|
|
1195 | EV_ATOMIC_T pending; |
|
|
1196 | #if EV_MULTIPLICITY |
|
|
1197 | EV_P; |
|
|
1198 | #endif |
1078 | WL head; |
1199 | WL head; |
1079 | EV_ATOMIC_T gotsig; |
|
|
1080 | } ANSIG; |
1200 | } ANSIG; |
1081 | |
1201 | |
1082 | static ANSIG *signals; |
1202 | static ANSIG signals [EV_NSIG - 1]; |
1083 | static int signalmax; |
|
|
1084 | |
|
|
1085 | static EV_ATOMIC_T gotsig; |
|
|
1086 | |
1203 | |
1087 | /*****************************************************************************/ |
1204 | /*****************************************************************************/ |
1088 | |
1205 | |
1089 | /* used to prepare libev internal fd's */ |
1206 | /* used to prepare libev internal fd's */ |
1090 | /* this is not fork-safe */ |
1207 | /* this is not fork-safe */ |
1091 | inline_speed void |
1208 | inline_speed void |
1092 | fd_intern (int fd) |
1209 | fd_intern (int fd) |
1093 | { |
1210 | { |
1094 | #ifdef _WIN32 |
1211 | #ifdef _WIN32 |
1095 | unsigned long arg = 1; |
1212 | unsigned long arg = 1; |
1096 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1213 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
1097 | #else |
1214 | #else |
1098 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1215 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1099 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1216 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1100 | #endif |
1217 | #endif |
1101 | } |
1218 | } |
… | |
… | |
1104 | evpipe_init (EV_P) |
1221 | evpipe_init (EV_P) |
1105 | { |
1222 | { |
1106 | if (!ev_is_active (&pipe_w)) |
1223 | if (!ev_is_active (&pipe_w)) |
1107 | { |
1224 | { |
1108 | #if EV_USE_EVENTFD |
1225 | #if EV_USE_EVENTFD |
|
|
1226 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1227 | if (evfd < 0 && errno == EINVAL) |
1109 | if ((evfd = eventfd (0, 0)) >= 0) |
1228 | evfd = eventfd (0, 0); |
|
|
1229 | |
|
|
1230 | if (evfd >= 0) |
1110 | { |
1231 | { |
1111 | evpipe [0] = -1; |
1232 | evpipe [0] = -1; |
1112 | fd_intern (evfd); |
1233 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1113 | ev_io_set (&pipe_w, evfd, EV_READ); |
1234 | ev_io_set (&pipe_w, evfd, EV_READ); |
1114 | } |
1235 | } |
1115 | else |
1236 | else |
1116 | #endif |
1237 | #endif |
1117 | { |
1238 | { |
… | |
… | |
1154 | /* called whenever the libev signal pipe */ |
1275 | /* called whenever the libev signal pipe */ |
1155 | /* got some events (signal, async) */ |
1276 | /* got some events (signal, async) */ |
1156 | static void |
1277 | static void |
1157 | pipecb (EV_P_ ev_io *iow, int revents) |
1278 | pipecb (EV_P_ ev_io *iow, int revents) |
1158 | { |
1279 | { |
|
|
1280 | int i; |
|
|
1281 | |
1159 | #if EV_USE_EVENTFD |
1282 | #if EV_USE_EVENTFD |
1160 | if (evfd >= 0) |
1283 | if (evfd >= 0) |
1161 | { |
1284 | { |
1162 | uint64_t counter; |
1285 | uint64_t counter; |
1163 | read (evfd, &counter, sizeof (uint64_t)); |
1286 | read (evfd, &counter, sizeof (uint64_t)); |
… | |
… | |
1167 | { |
1290 | { |
1168 | char dummy; |
1291 | char dummy; |
1169 | read (evpipe [0], &dummy, 1); |
1292 | read (evpipe [0], &dummy, 1); |
1170 | } |
1293 | } |
1171 | |
1294 | |
1172 | if (gotsig && ev_is_default_loop (EV_A)) |
1295 | if (sig_pending) |
1173 | { |
1296 | { |
1174 | int signum; |
1297 | sig_pending = 0; |
1175 | gotsig = 0; |
|
|
1176 | |
1298 | |
1177 | for (signum = signalmax; signum--; ) |
1299 | for (i = EV_NSIG - 1; i--; ) |
1178 | if (signals [signum].gotsig) |
1300 | if (expect_false (signals [i].pending)) |
1179 | ev_feed_signal_event (EV_A_ signum + 1); |
1301 | ev_feed_signal_event (EV_A_ i + 1); |
1180 | } |
1302 | } |
1181 | |
1303 | |
1182 | #if EV_ASYNC_ENABLE |
1304 | #if EV_ASYNC_ENABLE |
1183 | if (gotasync) |
1305 | if (async_pending) |
1184 | { |
1306 | { |
1185 | int i; |
1307 | async_pending = 0; |
1186 | gotasync = 0; |
|
|
1187 | |
1308 | |
1188 | for (i = asynccnt; i--; ) |
1309 | for (i = asynccnt; i--; ) |
1189 | if (asyncs [i]->sent) |
1310 | if (asyncs [i]->sent) |
1190 | { |
1311 | { |
1191 | asyncs [i]->sent = 0; |
1312 | asyncs [i]->sent = 0; |
… | |
… | |
1199 | |
1320 | |
1200 | static void |
1321 | static void |
1201 | ev_sighandler (int signum) |
1322 | ev_sighandler (int signum) |
1202 | { |
1323 | { |
1203 | #if EV_MULTIPLICITY |
1324 | #if EV_MULTIPLICITY |
1204 | struct ev_loop *loop = &default_loop_struct; |
1325 | EV_P = signals [signum - 1].loop; |
1205 | #endif |
1326 | #endif |
1206 | |
1327 | |
1207 | #if _WIN32 |
1328 | #ifdef _WIN32 |
1208 | signal (signum, ev_sighandler); |
1329 | signal (signum, ev_sighandler); |
1209 | #endif |
1330 | #endif |
1210 | |
1331 | |
1211 | signals [signum - 1].gotsig = 1; |
1332 | signals [signum - 1].pending = 1; |
1212 | evpipe_write (EV_A_ &gotsig); |
1333 | evpipe_write (EV_A_ &sig_pending); |
1213 | } |
1334 | } |
1214 | |
1335 | |
1215 | void noinline |
1336 | void noinline |
1216 | ev_feed_signal_event (EV_P_ int signum) |
1337 | ev_feed_signal_event (EV_P_ int signum) |
1217 | { |
1338 | { |
1218 | WL w; |
1339 | WL w; |
1219 | |
1340 | |
|
|
1341 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1342 | return; |
|
|
1343 | |
|
|
1344 | --signum; |
|
|
1345 | |
1220 | #if EV_MULTIPLICITY |
1346 | #if EV_MULTIPLICITY |
1221 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1347 | /* it is permissible to try to feed a signal to the wrong loop */ |
1222 | #endif |
1348 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1223 | |
1349 | |
1224 | --signum; |
1350 | if (expect_false (signals [signum].loop != EV_A)) |
1225 | |
|
|
1226 | if (signum < 0 || signum >= signalmax) |
|
|
1227 | return; |
1351 | return; |
|
|
1352 | #endif |
1228 | |
1353 | |
1229 | signals [signum].gotsig = 0; |
1354 | signals [signum].pending = 0; |
1230 | |
1355 | |
1231 | for (w = signals [signum].head; w; w = w->next) |
1356 | for (w = signals [signum].head; w; w = w->next) |
1232 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1357 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1233 | } |
1358 | } |
|
|
1359 | |
|
|
1360 | #if EV_USE_SIGNALFD |
|
|
1361 | static void |
|
|
1362 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1363 | { |
|
|
1364 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1365 | |
|
|
1366 | for (;;) |
|
|
1367 | { |
|
|
1368 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1369 | |
|
|
1370 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1371 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1372 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1373 | |
|
|
1374 | if (res < (ssize_t)sizeof (si)) |
|
|
1375 | break; |
|
|
1376 | } |
|
|
1377 | } |
|
|
1378 | #endif |
1234 | |
1379 | |
1235 | /*****************************************************************************/ |
1380 | /*****************************************************************************/ |
1236 | |
1381 | |
1237 | static WL childs [EV_PID_HASHSIZE]; |
1382 | static WL childs [EV_PID_HASHSIZE]; |
1238 | |
1383 | |
… | |
… | |
1458 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1603 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1459 | have_monotonic = 1; |
1604 | have_monotonic = 1; |
1460 | } |
1605 | } |
1461 | #endif |
1606 | #endif |
1462 | |
1607 | |
|
|
1608 | /* pid check not overridable via env */ |
|
|
1609 | #ifndef _WIN32 |
|
|
1610 | if (flags & EVFLAG_FORKCHECK) |
|
|
1611 | curpid = getpid (); |
|
|
1612 | #endif |
|
|
1613 | |
|
|
1614 | if (!(flags & EVFLAG_NOENV) |
|
|
1615 | && !enable_secure () |
|
|
1616 | && getenv ("LIBEV_FLAGS")) |
|
|
1617 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1618 | |
1463 | ev_rt_now = ev_time (); |
1619 | ev_rt_now = ev_time (); |
1464 | mn_now = get_clock (); |
1620 | mn_now = get_clock (); |
1465 | now_floor = mn_now; |
1621 | now_floor = mn_now; |
1466 | rtmn_diff = ev_rt_now - mn_now; |
1622 | rtmn_diff = ev_rt_now - mn_now; |
1467 | #if EV_MINIMAL < 2 |
1623 | #if EV_MINIMAL < 2 |
… | |
… | |
1470 | |
1626 | |
1471 | io_blocktime = 0.; |
1627 | io_blocktime = 0.; |
1472 | timeout_blocktime = 0.; |
1628 | timeout_blocktime = 0.; |
1473 | backend = 0; |
1629 | backend = 0; |
1474 | backend_fd = -1; |
1630 | backend_fd = -1; |
1475 | gotasync = 0; |
1631 | sig_pending = 0; |
|
|
1632 | #if EV_ASYNC_ENABLE |
|
|
1633 | async_pending = 0; |
|
|
1634 | #endif |
1476 | #if EV_USE_INOTIFY |
1635 | #if EV_USE_INOTIFY |
1477 | fs_fd = -2; |
1636 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1478 | #endif |
1637 | #endif |
1479 | |
1638 | #if EV_USE_SIGNALFD |
1480 | /* pid check not overridable via env */ |
1639 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1481 | #ifndef _WIN32 |
|
|
1482 | if (flags & EVFLAG_FORKCHECK) |
|
|
1483 | curpid = getpid (); |
|
|
1484 | #endif |
1640 | #endif |
1485 | |
|
|
1486 | if (!(flags & EVFLAG_NOENV) |
|
|
1487 | && !enable_secure () |
|
|
1488 | && getenv ("LIBEV_FLAGS")) |
|
|
1489 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1490 | |
1641 | |
1491 | if (!(flags & 0x0000ffffU)) |
1642 | if (!(flags & 0x0000ffffU)) |
1492 | flags |= ev_recommended_backends (); |
1643 | flags |= ev_recommended_backends (); |
1493 | |
1644 | |
1494 | #if EV_USE_PORT |
1645 | #if EV_USE_PORT |
… | |
… | |
1520 | { |
1671 | { |
1521 | int i; |
1672 | int i; |
1522 | |
1673 | |
1523 | if (ev_is_active (&pipe_w)) |
1674 | if (ev_is_active (&pipe_w)) |
1524 | { |
1675 | { |
1525 | ev_ref (EV_A); /* signal watcher */ |
1676 | /*ev_ref (EV_A);*/ |
1526 | ev_io_stop (EV_A_ &pipe_w); |
1677 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1527 | |
1678 | |
1528 | #if EV_USE_EVENTFD |
1679 | #if EV_USE_EVENTFD |
1529 | if (evfd >= 0) |
1680 | if (evfd >= 0) |
1530 | close (evfd); |
1681 | close (evfd); |
1531 | #endif |
1682 | #endif |
1532 | |
1683 | |
1533 | if (evpipe [0] >= 0) |
1684 | if (evpipe [0] >= 0) |
1534 | { |
1685 | { |
1535 | close (evpipe [0]); |
1686 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1536 | close (evpipe [1]); |
1687 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1537 | } |
1688 | } |
1538 | } |
1689 | } |
|
|
1690 | |
|
|
1691 | #if EV_USE_SIGNALFD |
|
|
1692 | if (ev_is_active (&sigfd_w)) |
|
|
1693 | close (sigfd); |
|
|
1694 | #endif |
1539 | |
1695 | |
1540 | #if EV_USE_INOTIFY |
1696 | #if EV_USE_INOTIFY |
1541 | if (fs_fd >= 0) |
1697 | if (fs_fd >= 0) |
1542 | close (fs_fd); |
1698 | close (fs_fd); |
1543 | #endif |
1699 | #endif |
… | |
… | |
1567 | #if EV_IDLE_ENABLE |
1723 | #if EV_IDLE_ENABLE |
1568 | array_free (idle, [i]); |
1724 | array_free (idle, [i]); |
1569 | #endif |
1725 | #endif |
1570 | } |
1726 | } |
1571 | |
1727 | |
1572 | ev_free (anfds); anfdmax = 0; |
1728 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1573 | |
1729 | |
1574 | /* have to use the microsoft-never-gets-it-right macro */ |
1730 | /* have to use the microsoft-never-gets-it-right macro */ |
1575 | array_free (rfeed, EMPTY); |
1731 | array_free (rfeed, EMPTY); |
1576 | array_free (fdchange, EMPTY); |
1732 | array_free (fdchange, EMPTY); |
1577 | array_free (timer, EMPTY); |
1733 | array_free (timer, EMPTY); |
… | |
… | |
1612 | |
1768 | |
1613 | if (ev_is_active (&pipe_w)) |
1769 | if (ev_is_active (&pipe_w)) |
1614 | { |
1770 | { |
1615 | /* this "locks" the handlers against writing to the pipe */ |
1771 | /* this "locks" the handlers against writing to the pipe */ |
1616 | /* while we modify the fd vars */ |
1772 | /* while we modify the fd vars */ |
1617 | gotsig = 1; |
1773 | sig_pending = 1; |
1618 | #if EV_ASYNC_ENABLE |
1774 | #if EV_ASYNC_ENABLE |
1619 | gotasync = 1; |
1775 | async_pending = 1; |
1620 | #endif |
1776 | #endif |
1621 | |
1777 | |
1622 | ev_ref (EV_A); |
1778 | ev_ref (EV_A); |
1623 | ev_io_stop (EV_A_ &pipe_w); |
1779 | ev_io_stop (EV_A_ &pipe_w); |
1624 | |
1780 | |
… | |
… | |
1627 | close (evfd); |
1783 | close (evfd); |
1628 | #endif |
1784 | #endif |
1629 | |
1785 | |
1630 | if (evpipe [0] >= 0) |
1786 | if (evpipe [0] >= 0) |
1631 | { |
1787 | { |
1632 | close (evpipe [0]); |
1788 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1633 | close (evpipe [1]); |
1789 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1634 | } |
1790 | } |
1635 | |
1791 | |
1636 | evpipe_init (EV_A); |
1792 | evpipe_init (EV_A); |
1637 | /* now iterate over everything, in case we missed something */ |
1793 | /* now iterate over everything, in case we missed something */ |
1638 | pipecb (EV_A_ &pipe_w, EV_READ); |
1794 | pipecb (EV_A_ &pipe_w, EV_READ); |
… | |
… | |
1644 | #if EV_MULTIPLICITY |
1800 | #if EV_MULTIPLICITY |
1645 | |
1801 | |
1646 | struct ev_loop * |
1802 | struct ev_loop * |
1647 | ev_loop_new (unsigned int flags) |
1803 | ev_loop_new (unsigned int flags) |
1648 | { |
1804 | { |
1649 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1805 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1650 | |
1806 | |
1651 | memset (loop, 0, sizeof (struct ev_loop)); |
1807 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1652 | |
|
|
1653 | loop_init (EV_A_ flags); |
1808 | loop_init (EV_A_ flags); |
1654 | |
1809 | |
1655 | if (ev_backend (EV_A)) |
1810 | if (ev_backend (EV_A)) |
1656 | return loop; |
1811 | return EV_A; |
1657 | |
1812 | |
1658 | return 0; |
1813 | return 0; |
1659 | } |
1814 | } |
1660 | |
1815 | |
1661 | void |
1816 | void |
… | |
… | |
1765 | assert (checkmax >= checkcnt); |
1920 | assert (checkmax >= checkcnt); |
1766 | array_verify (EV_A_ (W *)checks, checkcnt); |
1921 | array_verify (EV_A_ (W *)checks, checkcnt); |
1767 | |
1922 | |
1768 | # if 0 |
1923 | # if 0 |
1769 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1924 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1770 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1925 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1771 | # endif |
1926 | # endif |
1772 | #endif |
1927 | #endif |
1773 | } |
1928 | } |
1774 | #endif |
1929 | #endif |
1775 | |
1930 | |
… | |
… | |
1782 | #endif |
1937 | #endif |
1783 | { |
1938 | { |
1784 | if (!ev_default_loop_ptr) |
1939 | if (!ev_default_loop_ptr) |
1785 | { |
1940 | { |
1786 | #if EV_MULTIPLICITY |
1941 | #if EV_MULTIPLICITY |
1787 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1942 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1788 | #else |
1943 | #else |
1789 | ev_default_loop_ptr = 1; |
1944 | ev_default_loop_ptr = 1; |
1790 | #endif |
1945 | #endif |
1791 | |
1946 | |
1792 | loop_init (EV_A_ flags); |
1947 | loop_init (EV_A_ flags); |
… | |
… | |
1809 | |
1964 | |
1810 | void |
1965 | void |
1811 | ev_default_destroy (void) |
1966 | ev_default_destroy (void) |
1812 | { |
1967 | { |
1813 | #if EV_MULTIPLICITY |
1968 | #if EV_MULTIPLICITY |
1814 | struct ev_loop *loop = ev_default_loop_ptr; |
1969 | EV_P = ev_default_loop_ptr; |
1815 | #endif |
1970 | #endif |
1816 | |
1971 | |
1817 | ev_default_loop_ptr = 0; |
1972 | ev_default_loop_ptr = 0; |
1818 | |
1973 | |
1819 | #ifndef _WIN32 |
1974 | #ifndef _WIN32 |
… | |
… | |
1826 | |
1981 | |
1827 | void |
1982 | void |
1828 | ev_default_fork (void) |
1983 | ev_default_fork (void) |
1829 | { |
1984 | { |
1830 | #if EV_MULTIPLICITY |
1985 | #if EV_MULTIPLICITY |
1831 | struct ev_loop *loop = ev_default_loop_ptr; |
1986 | EV_P = ev_default_loop_ptr; |
1832 | #endif |
1987 | #endif |
1833 | |
1988 | |
1834 | postfork = 1; /* must be in line with ev_loop_fork */ |
1989 | postfork = 1; /* must be in line with ev_loop_fork */ |
1835 | } |
1990 | } |
1836 | |
1991 | |
… | |
… | |
2031 | ANHE_at_cache (*he); |
2186 | ANHE_at_cache (*he); |
2032 | } |
2187 | } |
2033 | } |
2188 | } |
2034 | |
2189 | |
2035 | /* fetch new monotonic and realtime times from the kernel */ |
2190 | /* fetch new monotonic and realtime times from the kernel */ |
2036 | /* also detetc if there was a timejump, and act accordingly */ |
2191 | /* also detect if there was a timejump, and act accordingly */ |
2037 | inline_speed void |
2192 | inline_speed void |
2038 | time_update (EV_P_ ev_tstamp max_block) |
2193 | time_update (EV_P_ ev_tstamp max_block) |
2039 | { |
2194 | { |
2040 | #if EV_USE_MONOTONIC |
2195 | #if EV_USE_MONOTONIC |
2041 | if (expect_true (have_monotonic)) |
2196 | if (expect_true (have_monotonic)) |
… | |
… | |
2302 | inline_size void |
2457 | inline_size void |
2303 | wlist_del (WL *head, WL elem) |
2458 | wlist_del (WL *head, WL elem) |
2304 | { |
2459 | { |
2305 | while (*head) |
2460 | while (*head) |
2306 | { |
2461 | { |
2307 | if (*head == elem) |
2462 | if (expect_true (*head == elem)) |
2308 | { |
2463 | { |
2309 | *head = elem->next; |
2464 | *head = elem->next; |
2310 | return; |
2465 | break; |
2311 | } |
2466 | } |
2312 | |
2467 | |
2313 | head = &(*head)->next; |
2468 | head = &(*head)->next; |
2314 | } |
2469 | } |
2315 | } |
2470 | } |
… | |
… | |
2375 | |
2530 | |
2376 | if (expect_false (ev_is_active (w))) |
2531 | if (expect_false (ev_is_active (w))) |
2377 | return; |
2532 | return; |
2378 | |
2533 | |
2379 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2534 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2380 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2535 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2381 | |
2536 | |
2382 | EV_FREQUENT_CHECK; |
2537 | EV_FREQUENT_CHECK; |
2383 | |
2538 | |
2384 | ev_start (EV_A_ (W)w, 1); |
2539 | ev_start (EV_A_ (W)w, 1); |
2385 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2540 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2455 | timers [active] = timers [timercnt + HEAP0]; |
2610 | timers [active] = timers [timercnt + HEAP0]; |
2456 | adjustheap (timers, timercnt, active); |
2611 | adjustheap (timers, timercnt, active); |
2457 | } |
2612 | } |
2458 | } |
2613 | } |
2459 | |
2614 | |
2460 | EV_FREQUENT_CHECK; |
|
|
2461 | |
|
|
2462 | ev_at (w) -= mn_now; |
2615 | ev_at (w) -= mn_now; |
2463 | |
2616 | |
2464 | ev_stop (EV_A_ (W)w); |
2617 | ev_stop (EV_A_ (W)w); |
|
|
2618 | |
|
|
2619 | EV_FREQUENT_CHECK; |
2465 | } |
2620 | } |
2466 | |
2621 | |
2467 | void noinline |
2622 | void noinline |
2468 | ev_timer_again (EV_P_ ev_timer *w) |
2623 | ev_timer_again (EV_P_ ev_timer *w) |
2469 | { |
2624 | { |
… | |
… | |
2548 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2703 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2549 | adjustheap (periodics, periodiccnt, active); |
2704 | adjustheap (periodics, periodiccnt, active); |
2550 | } |
2705 | } |
2551 | } |
2706 | } |
2552 | |
2707 | |
2553 | EV_FREQUENT_CHECK; |
|
|
2554 | |
|
|
2555 | ev_stop (EV_A_ (W)w); |
2708 | ev_stop (EV_A_ (W)w); |
|
|
2709 | |
|
|
2710 | EV_FREQUENT_CHECK; |
2556 | } |
2711 | } |
2557 | |
2712 | |
2558 | void noinline |
2713 | void noinline |
2559 | ev_periodic_again (EV_P_ ev_periodic *w) |
2714 | ev_periodic_again (EV_P_ ev_periodic *w) |
2560 | { |
2715 | { |
… | |
… | |
2569 | #endif |
2724 | #endif |
2570 | |
2725 | |
2571 | void noinline |
2726 | void noinline |
2572 | ev_signal_start (EV_P_ ev_signal *w) |
2727 | ev_signal_start (EV_P_ ev_signal *w) |
2573 | { |
2728 | { |
2574 | #if EV_MULTIPLICITY |
|
|
2575 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2576 | #endif |
|
|
2577 | if (expect_false (ev_is_active (w))) |
2729 | if (expect_false (ev_is_active (w))) |
2578 | return; |
2730 | return; |
2579 | |
2731 | |
2580 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2732 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2581 | |
2733 | |
2582 | evpipe_init (EV_A); |
2734 | #if EV_MULTIPLICITY |
|
|
2735 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2736 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2583 | |
2737 | |
2584 | EV_FREQUENT_CHECK; |
2738 | signals [w->signum - 1].loop = EV_A; |
|
|
2739 | #endif |
2585 | |
2740 | |
|
|
2741 | EV_FREQUENT_CHECK; |
|
|
2742 | |
|
|
2743 | #if EV_USE_SIGNALFD |
|
|
2744 | if (sigfd == -2) |
2586 | { |
2745 | { |
2587 | #ifndef _WIN32 |
2746 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2588 | sigset_t full, prev; |
2747 | if (sigfd < 0 && errno == EINVAL) |
2589 | sigfillset (&full); |
2748 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2590 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2591 | #endif |
|
|
2592 | |
2749 | |
2593 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2750 | if (sigfd >= 0) |
|
|
2751 | { |
|
|
2752 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2594 | |
2753 | |
2595 | #ifndef _WIN32 |
2754 | sigemptyset (&sigfd_set); |
2596 | sigprocmask (SIG_SETMASK, &prev, 0); |
2755 | |
2597 | #endif |
2756 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2757 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2758 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2759 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2760 | } |
2598 | } |
2761 | } |
|
|
2762 | |
|
|
2763 | if (sigfd >= 0) |
|
|
2764 | { |
|
|
2765 | /* TODO: check .head */ |
|
|
2766 | sigaddset (&sigfd_set, w->signum); |
|
|
2767 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2768 | |
|
|
2769 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2770 | } |
|
|
2771 | #endif |
2599 | |
2772 | |
2600 | ev_start (EV_A_ (W)w, 1); |
2773 | ev_start (EV_A_ (W)w, 1); |
2601 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2774 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2602 | |
2775 | |
2603 | if (!((WL)w)->next) |
2776 | if (!((WL)w)->next) |
|
|
2777 | # if EV_USE_SIGNALFD |
|
|
2778 | if (sigfd < 0) /*TODO*/ |
|
|
2779 | # endif |
2604 | { |
2780 | { |
2605 | #if _WIN32 |
2781 | # ifdef _WIN32 |
|
|
2782 | evpipe_init (EV_A); |
|
|
2783 | |
2606 | signal (w->signum, ev_sighandler); |
2784 | signal (w->signum, ev_sighandler); |
2607 | #else |
2785 | # else |
2608 | struct sigaction sa = { }; |
2786 | struct sigaction sa; |
|
|
2787 | |
|
|
2788 | evpipe_init (EV_A); |
|
|
2789 | |
2609 | sa.sa_handler = ev_sighandler; |
2790 | sa.sa_handler = ev_sighandler; |
2610 | sigfillset (&sa.sa_mask); |
2791 | sigfillset (&sa.sa_mask); |
2611 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2792 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2612 | sigaction (w->signum, &sa, 0); |
2793 | sigaction (w->signum, &sa, 0); |
|
|
2794 | |
|
|
2795 | sigemptyset (&sa.sa_mask); |
|
|
2796 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2797 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2613 | #endif |
2798 | #endif |
2614 | } |
2799 | } |
2615 | |
2800 | |
2616 | EV_FREQUENT_CHECK; |
2801 | EV_FREQUENT_CHECK; |
2617 | } |
2802 | } |
2618 | |
2803 | |
2619 | void noinline |
2804 | void noinline |
… | |
… | |
2627 | |
2812 | |
2628 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2813 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2629 | ev_stop (EV_A_ (W)w); |
2814 | ev_stop (EV_A_ (W)w); |
2630 | |
2815 | |
2631 | if (!signals [w->signum - 1].head) |
2816 | if (!signals [w->signum - 1].head) |
|
|
2817 | { |
|
|
2818 | #if EV_MULTIPLICITY |
|
|
2819 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2820 | #endif |
|
|
2821 | #if EV_USE_SIGNALFD |
|
|
2822 | if (sigfd >= 0) |
|
|
2823 | { |
|
|
2824 | sigset_t ss; |
|
|
2825 | |
|
|
2826 | sigemptyset (&ss); |
|
|
2827 | sigaddset (&ss, w->signum); |
|
|
2828 | sigdelset (&sigfd_set, w->signum); |
|
|
2829 | |
|
|
2830 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2831 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
|
|
2832 | } |
|
|
2833 | else |
|
|
2834 | #endif |
2632 | signal (w->signum, SIG_DFL); |
2835 | signal (w->signum, SIG_DFL); |
|
|
2836 | } |
2633 | |
2837 | |
2634 | EV_FREQUENT_CHECK; |
2838 | EV_FREQUENT_CHECK; |
2635 | } |
2839 | } |
2636 | |
2840 | |
2637 | void |
2841 | void |
… | |
… | |
2678 | #define MIN_STAT_INTERVAL 0.1074891 |
2882 | #define MIN_STAT_INTERVAL 0.1074891 |
2679 | |
2883 | |
2680 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2884 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2681 | |
2885 | |
2682 | #if EV_USE_INOTIFY |
2886 | #if EV_USE_INOTIFY |
2683 | # define EV_INOTIFY_BUFSIZE 8192 |
2887 | |
|
|
2888 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2889 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2684 | |
2890 | |
2685 | static void noinline |
2891 | static void noinline |
2686 | infy_add (EV_P_ ev_stat *w) |
2892 | infy_add (EV_P_ ev_stat *w) |
2687 | { |
2893 | { |
2688 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2894 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2689 | |
2895 | |
2690 | if (w->wd < 0) |
2896 | if (w->wd >= 0) |
|
|
2897 | { |
|
|
2898 | struct statfs sfs; |
|
|
2899 | |
|
|
2900 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2901 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2902 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2903 | |
|
|
2904 | if (!fs_2625) |
|
|
2905 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
2906 | else if (!statfs (w->path, &sfs) |
|
|
2907 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
2908 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2909 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2910 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2911 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2912 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
2913 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
2914 | else |
|
|
2915 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2691 | { |
2916 | } |
|
|
2917 | else |
|
|
2918 | { |
|
|
2919 | /* can't use inotify, continue to stat */ |
2692 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2920 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2693 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2694 | |
2921 | |
2695 | /* monitor some parent directory for speedup hints */ |
2922 | /* if path is not there, monitor some parent directory for speedup hints */ |
2696 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2923 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2697 | /* but an efficiency issue only */ |
2924 | /* but an efficiency issue only */ |
2698 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2925 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2699 | { |
2926 | { |
2700 | char path [4096]; |
2927 | char path [4096]; |
… | |
… | |
2716 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2943 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2717 | } |
2944 | } |
2718 | } |
2945 | } |
2719 | |
2946 | |
2720 | if (w->wd >= 0) |
2947 | if (w->wd >= 0) |
2721 | { |
|
|
2722 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2948 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2723 | |
2949 | |
2724 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2950 | /* now re-arm timer, if required */ |
2725 | /* unless the filesystem it known to be local, we therefore still poll */ |
2951 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2726 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2727 | struct statfs sfs; |
|
|
2728 | |
|
|
2729 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2730 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2731 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2732 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2733 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2734 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2735 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2736 | return; |
|
|
2737 | |
|
|
2738 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2739 | ev_timer_again (EV_A_ &w->timer); |
2952 | ev_timer_again (EV_A_ &w->timer); |
2740 | } |
2953 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2741 | } |
2954 | } |
2742 | |
2955 | |
2743 | static void noinline |
2956 | static void noinline |
2744 | infy_del (EV_P_ ev_stat *w) |
2957 | infy_del (EV_P_ ev_stat *w) |
2745 | { |
2958 | { |
… | |
… | |
2790 | |
3003 | |
2791 | static void |
3004 | static void |
2792 | infy_cb (EV_P_ ev_io *w, int revents) |
3005 | infy_cb (EV_P_ ev_io *w, int revents) |
2793 | { |
3006 | { |
2794 | char buf [EV_INOTIFY_BUFSIZE]; |
3007 | char buf [EV_INOTIFY_BUFSIZE]; |
2795 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2796 | int ofs; |
3008 | int ofs; |
2797 | int len = read (fs_fd, buf, sizeof (buf)); |
3009 | int len = read (fs_fd, buf, sizeof (buf)); |
2798 | |
3010 | |
2799 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3011 | for (ofs = 0; ofs < len; ) |
|
|
3012 | { |
|
|
3013 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2800 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3014 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3015 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3016 | } |
|
|
3017 | } |
|
|
3018 | |
|
|
3019 | inline_size unsigned int |
|
|
3020 | ev_linux_version (void) |
|
|
3021 | { |
|
|
3022 | struct utsname buf; |
|
|
3023 | unsigned int v; |
|
|
3024 | int i; |
|
|
3025 | char *p = buf.release; |
|
|
3026 | |
|
|
3027 | if (uname (&buf)) |
|
|
3028 | return 0; |
|
|
3029 | |
|
|
3030 | for (i = 3+1; --i; ) |
|
|
3031 | { |
|
|
3032 | unsigned int c = 0; |
|
|
3033 | |
|
|
3034 | for (;;) |
|
|
3035 | { |
|
|
3036 | if (*p >= '0' && *p <= '9') |
|
|
3037 | c = c * 10 + *p++ - '0'; |
|
|
3038 | else |
|
|
3039 | { |
|
|
3040 | p += *p == '.'; |
|
|
3041 | break; |
|
|
3042 | } |
|
|
3043 | } |
|
|
3044 | |
|
|
3045 | v = (v << 8) | c; |
|
|
3046 | } |
|
|
3047 | |
|
|
3048 | return v; |
2801 | } |
3049 | } |
2802 | |
3050 | |
2803 | inline_size void |
3051 | inline_size void |
2804 | check_2625 (EV_P) |
3052 | ev_check_2625 (EV_P) |
2805 | { |
3053 | { |
2806 | /* kernels < 2.6.25 are borked |
3054 | /* kernels < 2.6.25 are borked |
2807 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3055 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2808 | */ |
3056 | */ |
2809 | struct utsname buf; |
3057 | if (ev_linux_version () < 0x020619) |
2810 | int major, minor, micro; |
|
|
2811 | |
|
|
2812 | if (uname (&buf)) |
|
|
2813 | return; |
3058 | return; |
2814 | |
3059 | |
2815 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2816 | return; |
|
|
2817 | |
|
|
2818 | if (major < 2 |
|
|
2819 | || (major == 2 && minor < 6) |
|
|
2820 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2821 | return; |
|
|
2822 | |
|
|
2823 | fs_2625 = 1; |
3060 | fs_2625 = 1; |
|
|
3061 | } |
|
|
3062 | |
|
|
3063 | inline_size int |
|
|
3064 | infy_newfd (void) |
|
|
3065 | { |
|
|
3066 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3067 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3068 | if (fd >= 0) |
|
|
3069 | return fd; |
|
|
3070 | #endif |
|
|
3071 | return inotify_init (); |
2824 | } |
3072 | } |
2825 | |
3073 | |
2826 | inline_size void |
3074 | inline_size void |
2827 | infy_init (EV_P) |
3075 | infy_init (EV_P) |
2828 | { |
3076 | { |
2829 | if (fs_fd != -2) |
3077 | if (fs_fd != -2) |
2830 | return; |
3078 | return; |
2831 | |
3079 | |
2832 | fs_fd = -1; |
3080 | fs_fd = -1; |
2833 | |
3081 | |
2834 | check_2625 (EV_A); |
3082 | ev_check_2625 (EV_A); |
2835 | |
3083 | |
2836 | fs_fd = inotify_init (); |
3084 | fs_fd = infy_newfd (); |
2837 | |
3085 | |
2838 | if (fs_fd >= 0) |
3086 | if (fs_fd >= 0) |
2839 | { |
3087 | { |
|
|
3088 | fd_intern (fs_fd); |
2840 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3089 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2841 | ev_set_priority (&fs_w, EV_MAXPRI); |
3090 | ev_set_priority (&fs_w, EV_MAXPRI); |
2842 | ev_io_start (EV_A_ &fs_w); |
3091 | ev_io_start (EV_A_ &fs_w); |
|
|
3092 | ev_unref (EV_A); |
2843 | } |
3093 | } |
2844 | } |
3094 | } |
2845 | |
3095 | |
2846 | inline_size void |
3096 | inline_size void |
2847 | infy_fork (EV_P) |
3097 | infy_fork (EV_P) |
… | |
… | |
2849 | int slot; |
3099 | int slot; |
2850 | |
3100 | |
2851 | if (fs_fd < 0) |
3101 | if (fs_fd < 0) |
2852 | return; |
3102 | return; |
2853 | |
3103 | |
|
|
3104 | ev_ref (EV_A); |
|
|
3105 | ev_io_stop (EV_A_ &fs_w); |
2854 | close (fs_fd); |
3106 | close (fs_fd); |
2855 | fs_fd = inotify_init (); |
3107 | fs_fd = infy_newfd (); |
|
|
3108 | |
|
|
3109 | if (fs_fd >= 0) |
|
|
3110 | { |
|
|
3111 | fd_intern (fs_fd); |
|
|
3112 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3113 | ev_io_start (EV_A_ &fs_w); |
|
|
3114 | ev_unref (EV_A); |
|
|
3115 | } |
2856 | |
3116 | |
2857 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3117 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2858 | { |
3118 | { |
2859 | WL w_ = fs_hash [slot].head; |
3119 | WL w_ = fs_hash [slot].head; |
2860 | fs_hash [slot].head = 0; |
3120 | fs_hash [slot].head = 0; |
… | |
… | |
2867 | w->wd = -1; |
3127 | w->wd = -1; |
2868 | |
3128 | |
2869 | if (fs_fd >= 0) |
3129 | if (fs_fd >= 0) |
2870 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3130 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2871 | else |
3131 | else |
|
|
3132 | { |
|
|
3133 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3134 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2872 | ev_timer_again (EV_A_ &w->timer); |
3135 | ev_timer_again (EV_A_ &w->timer); |
|
|
3136 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3137 | } |
2873 | } |
3138 | } |
2874 | } |
3139 | } |
2875 | } |
3140 | } |
2876 | |
3141 | |
2877 | #endif |
3142 | #endif |
… | |
… | |
2894 | static void noinline |
3159 | static void noinline |
2895 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3160 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2896 | { |
3161 | { |
2897 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3162 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2898 | |
3163 | |
2899 | /* we copy this here each the time so that */ |
3164 | ev_statdata prev = w->attr; |
2900 | /* prev has the old value when the callback gets invoked */ |
|
|
2901 | w->prev = w->attr; |
|
|
2902 | ev_stat_stat (EV_A_ w); |
3165 | ev_stat_stat (EV_A_ w); |
2903 | |
3166 | |
2904 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3167 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
2905 | if ( |
3168 | if ( |
2906 | w->prev.st_dev != w->attr.st_dev |
3169 | prev.st_dev != w->attr.st_dev |
2907 | || w->prev.st_ino != w->attr.st_ino |
3170 | || prev.st_ino != w->attr.st_ino |
2908 | || w->prev.st_mode != w->attr.st_mode |
3171 | || prev.st_mode != w->attr.st_mode |
2909 | || w->prev.st_nlink != w->attr.st_nlink |
3172 | || prev.st_nlink != w->attr.st_nlink |
2910 | || w->prev.st_uid != w->attr.st_uid |
3173 | || prev.st_uid != w->attr.st_uid |
2911 | || w->prev.st_gid != w->attr.st_gid |
3174 | || prev.st_gid != w->attr.st_gid |
2912 | || w->prev.st_rdev != w->attr.st_rdev |
3175 | || prev.st_rdev != w->attr.st_rdev |
2913 | || w->prev.st_size != w->attr.st_size |
3176 | || prev.st_size != w->attr.st_size |
2914 | || w->prev.st_atime != w->attr.st_atime |
3177 | || prev.st_atime != w->attr.st_atime |
2915 | || w->prev.st_mtime != w->attr.st_mtime |
3178 | || prev.st_mtime != w->attr.st_mtime |
2916 | || w->prev.st_ctime != w->attr.st_ctime |
3179 | || prev.st_ctime != w->attr.st_ctime |
2917 | ) { |
3180 | ) { |
|
|
3181 | /* we only update w->prev on actual differences */ |
|
|
3182 | /* in case we test more often than invoke the callback, */ |
|
|
3183 | /* to ensure that prev is always different to attr */ |
|
|
3184 | w->prev = prev; |
|
|
3185 | |
2918 | #if EV_USE_INOTIFY |
3186 | #if EV_USE_INOTIFY |
2919 | if (fs_fd >= 0) |
3187 | if (fs_fd >= 0) |
2920 | { |
3188 | { |
2921 | infy_del (EV_A_ w); |
3189 | infy_del (EV_A_ w); |
2922 | infy_add (EV_A_ w); |
3190 | infy_add (EV_A_ w); |
… | |
… | |
2947 | |
3215 | |
2948 | if (fs_fd >= 0) |
3216 | if (fs_fd >= 0) |
2949 | infy_add (EV_A_ w); |
3217 | infy_add (EV_A_ w); |
2950 | else |
3218 | else |
2951 | #endif |
3219 | #endif |
|
|
3220 | { |
2952 | ev_timer_again (EV_A_ &w->timer); |
3221 | ev_timer_again (EV_A_ &w->timer); |
|
|
3222 | ev_unref (EV_A); |
|
|
3223 | } |
2953 | |
3224 | |
2954 | ev_start (EV_A_ (W)w, 1); |
3225 | ev_start (EV_A_ (W)w, 1); |
2955 | |
3226 | |
2956 | EV_FREQUENT_CHECK; |
3227 | EV_FREQUENT_CHECK; |
2957 | } |
3228 | } |
… | |
… | |
2966 | EV_FREQUENT_CHECK; |
3237 | EV_FREQUENT_CHECK; |
2967 | |
3238 | |
2968 | #if EV_USE_INOTIFY |
3239 | #if EV_USE_INOTIFY |
2969 | infy_del (EV_A_ w); |
3240 | infy_del (EV_A_ w); |
2970 | #endif |
3241 | #endif |
|
|
3242 | |
|
|
3243 | if (ev_is_active (&w->timer)) |
|
|
3244 | { |
|
|
3245 | ev_ref (EV_A); |
2971 | ev_timer_stop (EV_A_ &w->timer); |
3246 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3247 | } |
2972 | |
3248 | |
2973 | ev_stop (EV_A_ (W)w); |
3249 | ev_stop (EV_A_ (W)w); |
2974 | |
3250 | |
2975 | EV_FREQUENT_CHECK; |
3251 | EV_FREQUENT_CHECK; |
2976 | } |
3252 | } |
… | |
… | |
3117 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3393 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3118 | { |
3394 | { |
3119 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3395 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3120 | |
3396 | |
3121 | { |
3397 | { |
3122 | struct ev_loop *loop = w->other; |
3398 | EV_P = w->other; |
3123 | |
3399 | |
3124 | while (fdchangecnt) |
3400 | while (fdchangecnt) |
3125 | { |
3401 | { |
3126 | fd_reify (EV_A); |
3402 | fd_reify (EV_A); |
3127 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3403 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
… | |
… | |
3135 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3411 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3136 | |
3412 | |
3137 | ev_embed_stop (EV_A_ w); |
3413 | ev_embed_stop (EV_A_ w); |
3138 | |
3414 | |
3139 | { |
3415 | { |
3140 | struct ev_loop *loop = w->other; |
3416 | EV_P = w->other; |
3141 | |
3417 | |
3142 | ev_loop_fork (EV_A); |
3418 | ev_loop_fork (EV_A); |
3143 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3419 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3144 | } |
3420 | } |
3145 | |
3421 | |
… | |
… | |
3159 | { |
3435 | { |
3160 | if (expect_false (ev_is_active (w))) |
3436 | if (expect_false (ev_is_active (w))) |
3161 | return; |
3437 | return; |
3162 | |
3438 | |
3163 | { |
3439 | { |
3164 | struct ev_loop *loop = w->other; |
3440 | EV_P = w->other; |
3165 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3441 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3166 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3442 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3167 | } |
3443 | } |
3168 | |
3444 | |
3169 | EV_FREQUENT_CHECK; |
3445 | EV_FREQUENT_CHECK; |
… | |
… | |
3196 | |
3472 | |
3197 | ev_io_stop (EV_A_ &w->io); |
3473 | ev_io_stop (EV_A_ &w->io); |
3198 | ev_prepare_stop (EV_A_ &w->prepare); |
3474 | ev_prepare_stop (EV_A_ &w->prepare); |
3199 | ev_fork_stop (EV_A_ &w->fork); |
3475 | ev_fork_stop (EV_A_ &w->fork); |
3200 | |
3476 | |
|
|
3477 | ev_stop (EV_A_ (W)w); |
|
|
3478 | |
3201 | EV_FREQUENT_CHECK; |
3479 | EV_FREQUENT_CHECK; |
3202 | } |
3480 | } |
3203 | #endif |
3481 | #endif |
3204 | |
3482 | |
3205 | #if EV_FORK_ENABLE |
3483 | #if EV_FORK_ENABLE |
… | |
… | |
3281 | |
3559 | |
3282 | void |
3560 | void |
3283 | ev_async_send (EV_P_ ev_async *w) |
3561 | ev_async_send (EV_P_ ev_async *w) |
3284 | { |
3562 | { |
3285 | w->sent = 1; |
3563 | w->sent = 1; |
3286 | evpipe_write (EV_A_ &gotasync); |
3564 | evpipe_write (EV_A_ &async_pending); |
3287 | } |
3565 | } |
3288 | #endif |
3566 | #endif |
3289 | |
3567 | |
3290 | /*****************************************************************************/ |
3568 | /*****************************************************************************/ |
3291 | |
3569 | |
… | |
… | |
3440 | if (types & EV_CHECK) |
3718 | if (types & EV_CHECK) |
3441 | for (i = checkcnt; i--; ) |
3719 | for (i = checkcnt; i--; ) |
3442 | cb (EV_A_ EV_CHECK, checks [i]); |
3720 | cb (EV_A_ EV_CHECK, checks [i]); |
3443 | |
3721 | |
3444 | if (types & EV_SIGNAL) |
3722 | if (types & EV_SIGNAL) |
3445 | for (i = 0; i < signalmax; ++i) |
3723 | for (i = 0; i < EV_NSIG - 1; ++i) |
3446 | for (wl = signals [i].head; wl; ) |
3724 | for (wl = signals [i].head; wl; ) |
3447 | { |
3725 | { |
3448 | wn = wl->next; |
3726 | wn = wl->next; |
3449 | cb (EV_A_ EV_SIGNAL, wl); |
3727 | cb (EV_A_ EV_SIGNAL, wl); |
3450 | wl = wn; |
3728 | wl = wn; |