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 | |
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|
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> |
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|
396 | # ifndef EFD_NONBLOCK |
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397 | # define EFD_NONBLOCK O_NONBLOCK |
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398 | # endif |
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399 | # ifndef EFD_CLOEXEC |
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|
400 | # ifdef O_CLOEXEC |
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401 | # define EFD_CLOEXEC O_CLOEXEC |
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402 | # else |
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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 |
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|
414 | |
|
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415 | #if EV_USE_SIGNALFD |
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|
416 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
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417 | # include <stdint.h> |
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418 | # ifndef SFD_NONBLOCK |
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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 |
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428 | # ifdef __cplusplus |
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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 |
… | |
… | |
391 | # define inline_speed static noinline |
481 | # define inline_speed static noinline |
392 | #else |
482 | #else |
393 | # define inline_speed static inline |
483 | # define inline_speed static inline |
394 | #endif |
484 | #endif |
395 | |
485 | |
396 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
486 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
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487 | |
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488 | #if EV_MINPRI == EV_MAXPRI |
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489 | # define ABSPRI(w) (((W)w), 0) |
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490 | #else |
397 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
491 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
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|
492 | #endif |
398 | |
493 | |
399 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
494 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
400 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
495 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
401 | |
496 | |
402 | typedef ev_watcher *W; |
497 | typedef ev_watcher *W; |
… | |
… | |
414 | |
509 | |
415 | #if EV_USE_MONOTONIC |
510 | #if EV_USE_MONOTONIC |
416 | 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? */ |
417 | #endif |
512 | #endif |
418 | |
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 | |
419 | #ifdef _WIN32 |
524 | #ifdef _WIN32 |
420 | # include "ev_win32.c" |
525 | # include "ev_win32.c" |
421 | #endif |
526 | #endif |
422 | |
527 | |
423 | /*****************************************************************************/ |
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 |
424 | |
537 | |
425 | static void (*syserr_cb)(const char *msg); |
538 | static void (*syserr_cb)(const char *msg); |
426 | |
539 | |
427 | void |
540 | void |
428 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
541 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
438 | |
551 | |
439 | if (syserr_cb) |
552 | if (syserr_cb) |
440 | syserr_cb (msg); |
553 | syserr_cb (msg); |
441 | else |
554 | else |
442 | { |
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 |
443 | perror (msg); |
564 | perror (msg); |
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565 | #endif |
444 | abort (); |
566 | abort (); |
445 | } |
567 | } |
446 | } |
568 | } |
447 | |
569 | |
448 | static void * |
570 | static void * |
… | |
… | |
473 | { |
595 | { |
474 | ptr = alloc (ptr, size); |
596 | ptr = alloc (ptr, size); |
475 | |
597 | |
476 | if (!ptr && size) |
598 | if (!ptr && size) |
477 | { |
599 | { |
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600 | #if EV_AVOID_STDIO |
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601 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
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602 | #else |
478 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
603 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
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604 | #endif |
479 | abort (); |
605 | abort (); |
480 | } |
606 | } |
481 | |
607 | |
482 | return ptr; |
608 | return ptr; |
483 | } |
609 | } |
… | |
… | |
485 | #define ev_malloc(size) ev_realloc (0, (size)) |
611 | #define ev_malloc(size) ev_realloc (0, (size)) |
486 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
612 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
487 | |
613 | |
488 | /*****************************************************************************/ |
614 | /*****************************************************************************/ |
489 | |
615 | |
|
|
616 | /* set in reify when reification needed */ |
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617 | #define EV_ANFD_REIFY 1 |
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618 | |
490 | /* file descriptor info structure */ |
619 | /* file descriptor info structure */ |
491 | typedef struct |
620 | typedef struct |
492 | { |
621 | { |
493 | WL head; |
622 | WL head; |
494 | unsigned char events; /* the events watched for */ |
623 | unsigned char events; /* the events watched for */ |
495 | unsigned char reify; /* flag set when this ANFD needs reification */ |
624 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
496 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
625 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
497 | unsigned char unused; |
626 | unsigned char unused; |
498 | #if EV_USE_EPOLL |
627 | #if EV_USE_EPOLL |
499 | unsigned int egen; /* generation counter to counter epoll bugs */ |
628 | unsigned int egen; /* generation counter to counter epoll bugs */ |
500 | #endif |
629 | #endif |
… | |
… | |
562 | |
691 | |
563 | static int ev_default_loop_ptr; |
692 | static int ev_default_loop_ptr; |
564 | |
693 | |
565 | #endif |
694 | #endif |
566 | |
695 | |
|
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696 | #if EV_MINIMAL < 2 |
|
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697 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
|
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698 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
|
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699 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
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|
700 | #else |
|
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701 | # define EV_RELEASE_CB (void)0 |
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702 | # define EV_ACQUIRE_CB (void)0 |
|
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703 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
704 | #endif |
|
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705 | |
|
|
706 | #define EVUNLOOP_RECURSE 0x80 |
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707 | |
567 | /*****************************************************************************/ |
708 | /*****************************************************************************/ |
568 | |
709 | |
569 | #ifndef EV_HAVE_EV_TIME |
710 | #ifndef EV_HAVE_EV_TIME |
570 | ev_tstamp |
711 | ev_tstamp |
571 | ev_time (void) |
712 | ev_time (void) |
… | |
… | |
627 | |
768 | |
628 | tv.tv_sec = (time_t)delay; |
769 | tv.tv_sec = (time_t)delay; |
629 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
770 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
630 | |
771 | |
631 | /* 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 */ |
632 | /* somehting not guaranteed by newer posix versions, but guaranteed */ |
773 | /* something not guaranteed by newer posix versions, but guaranteed */ |
633 | /* by older ones */ |
774 | /* by older ones */ |
634 | select (0, 0, 0, 0, &tv); |
775 | select (0, 0, 0, 0, &tv); |
635 | #endif |
776 | #endif |
636 | } |
777 | } |
637 | } |
778 | } |
… | |
… | |
745 | } |
886 | } |
746 | |
887 | |
747 | /*****************************************************************************/ |
888 | /*****************************************************************************/ |
748 | |
889 | |
749 | inline_speed void |
890 | inline_speed void |
750 | fd_event (EV_P_ int fd, int revents) |
891 | fd_event_nc (EV_P_ int fd, int revents) |
751 | { |
892 | { |
752 | ANFD *anfd = anfds + fd; |
893 | ANFD *anfd = anfds + fd; |
753 | ev_io *w; |
894 | ev_io *w; |
754 | |
895 | |
755 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
896 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
759 | if (ev) |
900 | if (ev) |
760 | ev_feed_event (EV_A_ (W)w, ev); |
901 | ev_feed_event (EV_A_ (W)w, ev); |
761 | } |
902 | } |
762 | } |
903 | } |
763 | |
904 | |
|
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905 | /* do not submit kernel events for fds that have reify set */ |
|
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906 | /* because that means they changed while we were polling for new events */ |
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907 | inline_speed void |
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908 | fd_event (EV_P_ int fd, int revents) |
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909 | { |
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910 | ANFD *anfd = anfds + fd; |
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911 | |
|
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912 | if (expect_true (!anfd->reify)) |
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913 | fd_event_nc (EV_A_ fd, revents); |
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|
914 | } |
|
|
915 | |
764 | void |
916 | void |
765 | ev_feed_fd_event (EV_P_ int fd, int revents) |
917 | ev_feed_fd_event (EV_P_ int fd, int revents) |
766 | { |
918 | { |
767 | if (fd >= 0 && fd < anfdmax) |
919 | if (fd >= 0 && fd < anfdmax) |
768 | fd_event (EV_A_ fd, revents); |
920 | fd_event_nc (EV_A_ fd, revents); |
769 | } |
921 | } |
770 | |
922 | |
771 | /* make sure the external fd watch events are in-sync */ |
923 | /* make sure the external fd watch events are in-sync */ |
772 | /* with the kernel/libev internal state */ |
924 | /* with the kernel/libev internal state */ |
773 | inline_size void |
925 | inline_size void |
… | |
… | |
788 | |
940 | |
789 | #if EV_SELECT_IS_WINSOCKET |
941 | #if EV_SELECT_IS_WINSOCKET |
790 | if (events) |
942 | if (events) |
791 | { |
943 | { |
792 | unsigned long arg; |
944 | unsigned long arg; |
793 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
794 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
945 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
795 | #else |
|
|
796 | anfd->handle = _get_osfhandle (fd); |
|
|
797 | #endif |
|
|
798 | 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)); |
799 | } |
947 | } |
800 | #endif |
948 | #endif |
801 | |
949 | |
802 | { |
950 | { |
… | |
… | |
845 | /* check whether the given fd is atcually valid, for error recovery */ |
993 | /* check whether the given fd is atcually valid, for error recovery */ |
846 | inline_size int |
994 | inline_size int |
847 | fd_valid (int fd) |
995 | fd_valid (int fd) |
848 | { |
996 | { |
849 | #ifdef _WIN32 |
997 | #ifdef _WIN32 |
850 | return _get_osfhandle (fd) != -1; |
998 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
851 | #else |
999 | #else |
852 | return fcntl (fd, F_GETFD) != -1; |
1000 | return fcntl (fd, F_GETFD) != -1; |
853 | #endif |
1001 | #endif |
854 | } |
1002 | } |
855 | |
1003 | |
… | |
… | |
873 | |
1021 | |
874 | for (fd = anfdmax; fd--; ) |
1022 | for (fd = anfdmax; fd--; ) |
875 | if (anfds [fd].events) |
1023 | if (anfds [fd].events) |
876 | { |
1024 | { |
877 | fd_kill (EV_A_ fd); |
1025 | fd_kill (EV_A_ fd); |
878 | return; |
1026 | break; |
879 | } |
1027 | } |
880 | } |
1028 | } |
881 | |
1029 | |
882 | /* 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 */ |
883 | static void noinline |
1031 | static void noinline |
… | |
… | |
888 | for (fd = 0; fd < anfdmax; ++fd) |
1036 | for (fd = 0; fd < anfdmax; ++fd) |
889 | if (anfds [fd].events) |
1037 | if (anfds [fd].events) |
890 | { |
1038 | { |
891 | anfds [fd].events = 0; |
1039 | anfds [fd].events = 0; |
892 | anfds [fd].emask = 0; |
1040 | anfds [fd].emask = 0; |
893 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
1041 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
894 | } |
1042 | } |
895 | } |
1043 | } |
896 | |
1044 | |
897 | /*****************************************************************************/ |
1045 | /*****************************************************************************/ |
898 | |
1046 | |
… | |
… | |
973 | |
1121 | |
974 | for (;;) |
1122 | for (;;) |
975 | { |
1123 | { |
976 | int c = k << 1; |
1124 | int c = k << 1; |
977 | |
1125 | |
978 | if (c > N + HEAP0 - 1) |
1126 | if (c >= N + HEAP0) |
979 | break; |
1127 | break; |
980 | |
1128 | |
981 | 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]) |
982 | ? 1 : 0; |
1130 | ? 1 : 0; |
983 | |
1131 | |
… | |
… | |
1019 | |
1167 | |
1020 | /* move an element suitably so it is in a correct place */ |
1168 | /* move an element suitably so it is in a correct place */ |
1021 | inline_size void |
1169 | inline_size void |
1022 | adjustheap (ANHE *heap, int N, int k) |
1170 | adjustheap (ANHE *heap, int N, int k) |
1023 | { |
1171 | { |
1024 | 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)])) |
1025 | upheap (heap, k); |
1173 | upheap (heap, k); |
1026 | else |
1174 | else |
1027 | downheap (heap, N, k); |
1175 | downheap (heap, N, k); |
1028 | } |
1176 | } |
1029 | |
1177 | |
… | |
… | |
1042 | /*****************************************************************************/ |
1190 | /*****************************************************************************/ |
1043 | |
1191 | |
1044 | /* associate signal watchers to a signal signal */ |
1192 | /* associate signal watchers to a signal signal */ |
1045 | typedef struct |
1193 | typedef struct |
1046 | { |
1194 | { |
|
|
1195 | EV_ATOMIC_T pending; |
|
|
1196 | #if EV_MULTIPLICITY |
|
|
1197 | EV_P; |
|
|
1198 | #endif |
1047 | WL head; |
1199 | WL head; |
1048 | EV_ATOMIC_T gotsig; |
|
|
1049 | } ANSIG; |
1200 | } ANSIG; |
1050 | |
1201 | |
1051 | static ANSIG *signals; |
1202 | static ANSIG signals [EV_NSIG - 1]; |
1052 | static int signalmax; |
|
|
1053 | |
|
|
1054 | static EV_ATOMIC_T gotsig; |
|
|
1055 | |
1203 | |
1056 | /*****************************************************************************/ |
1204 | /*****************************************************************************/ |
1057 | |
1205 | |
1058 | /* used to prepare libev internal fd's */ |
1206 | /* used to prepare libev internal fd's */ |
1059 | /* this is not fork-safe */ |
1207 | /* this is not fork-safe */ |
1060 | inline_speed void |
1208 | inline_speed void |
1061 | fd_intern (int fd) |
1209 | fd_intern (int fd) |
1062 | { |
1210 | { |
1063 | #ifdef _WIN32 |
1211 | #ifdef _WIN32 |
1064 | unsigned long arg = 1; |
1212 | unsigned long arg = 1; |
1065 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1213 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
1066 | #else |
1214 | #else |
1067 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1215 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1068 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1216 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1069 | #endif |
1217 | #endif |
1070 | } |
1218 | } |
… | |
… | |
1073 | evpipe_init (EV_P) |
1221 | evpipe_init (EV_P) |
1074 | { |
1222 | { |
1075 | if (!ev_is_active (&pipe_w)) |
1223 | if (!ev_is_active (&pipe_w)) |
1076 | { |
1224 | { |
1077 | #if EV_USE_EVENTFD |
1225 | #if EV_USE_EVENTFD |
|
|
1226 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1227 | if (evfd < 0 && errno == EINVAL) |
1078 | if ((evfd = eventfd (0, 0)) >= 0) |
1228 | evfd = eventfd (0, 0); |
|
|
1229 | |
|
|
1230 | if (evfd >= 0) |
1079 | { |
1231 | { |
1080 | evpipe [0] = -1; |
1232 | evpipe [0] = -1; |
1081 | fd_intern (evfd); |
1233 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1082 | ev_io_set (&pipe_w, evfd, EV_READ); |
1234 | ev_io_set (&pipe_w, evfd, EV_READ); |
1083 | } |
1235 | } |
1084 | else |
1236 | else |
1085 | #endif |
1237 | #endif |
1086 | { |
1238 | { |
… | |
… | |
1123 | /* called whenever the libev signal pipe */ |
1275 | /* called whenever the libev signal pipe */ |
1124 | /* got some events (signal, async) */ |
1276 | /* got some events (signal, async) */ |
1125 | static void |
1277 | static void |
1126 | pipecb (EV_P_ ev_io *iow, int revents) |
1278 | pipecb (EV_P_ ev_io *iow, int revents) |
1127 | { |
1279 | { |
|
|
1280 | int i; |
|
|
1281 | |
1128 | #if EV_USE_EVENTFD |
1282 | #if EV_USE_EVENTFD |
1129 | if (evfd >= 0) |
1283 | if (evfd >= 0) |
1130 | { |
1284 | { |
1131 | uint64_t counter; |
1285 | uint64_t counter; |
1132 | read (evfd, &counter, sizeof (uint64_t)); |
1286 | read (evfd, &counter, sizeof (uint64_t)); |
… | |
… | |
1136 | { |
1290 | { |
1137 | char dummy; |
1291 | char dummy; |
1138 | read (evpipe [0], &dummy, 1); |
1292 | read (evpipe [0], &dummy, 1); |
1139 | } |
1293 | } |
1140 | |
1294 | |
1141 | if (gotsig && ev_is_default_loop (EV_A)) |
1295 | if (sig_pending) |
1142 | { |
1296 | { |
1143 | int signum; |
1297 | sig_pending = 0; |
1144 | gotsig = 0; |
|
|
1145 | |
1298 | |
1146 | for (signum = signalmax; signum--; ) |
1299 | for (i = EV_NSIG - 1; i--; ) |
1147 | if (signals [signum].gotsig) |
1300 | if (expect_false (signals [i].pending)) |
1148 | ev_feed_signal_event (EV_A_ signum + 1); |
1301 | ev_feed_signal_event (EV_A_ i + 1); |
1149 | } |
1302 | } |
1150 | |
1303 | |
1151 | #if EV_ASYNC_ENABLE |
1304 | #if EV_ASYNC_ENABLE |
1152 | if (gotasync) |
1305 | if (async_pending) |
1153 | { |
1306 | { |
1154 | int i; |
1307 | async_pending = 0; |
1155 | gotasync = 0; |
|
|
1156 | |
1308 | |
1157 | for (i = asynccnt; i--; ) |
1309 | for (i = asynccnt; i--; ) |
1158 | if (asyncs [i]->sent) |
1310 | if (asyncs [i]->sent) |
1159 | { |
1311 | { |
1160 | asyncs [i]->sent = 0; |
1312 | asyncs [i]->sent = 0; |
… | |
… | |
1168 | |
1320 | |
1169 | static void |
1321 | static void |
1170 | ev_sighandler (int signum) |
1322 | ev_sighandler (int signum) |
1171 | { |
1323 | { |
1172 | #if EV_MULTIPLICITY |
1324 | #if EV_MULTIPLICITY |
1173 | struct ev_loop *loop = &default_loop_struct; |
1325 | EV_P = signals [signum - 1].loop; |
1174 | #endif |
1326 | #endif |
1175 | |
1327 | |
1176 | #if _WIN32 |
1328 | #ifdef _WIN32 |
1177 | signal (signum, ev_sighandler); |
1329 | signal (signum, ev_sighandler); |
1178 | #endif |
1330 | #endif |
1179 | |
1331 | |
1180 | signals [signum - 1].gotsig = 1; |
1332 | signals [signum - 1].pending = 1; |
1181 | evpipe_write (EV_A_ &gotsig); |
1333 | evpipe_write (EV_A_ &sig_pending); |
1182 | } |
1334 | } |
1183 | |
1335 | |
1184 | void noinline |
1336 | void noinline |
1185 | ev_feed_signal_event (EV_P_ int signum) |
1337 | ev_feed_signal_event (EV_P_ int signum) |
1186 | { |
1338 | { |
1187 | WL w; |
1339 | WL w; |
1188 | |
1340 | |
|
|
1341 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1342 | return; |
|
|
1343 | |
|
|
1344 | --signum; |
|
|
1345 | |
1189 | #if EV_MULTIPLICITY |
1346 | #if EV_MULTIPLICITY |
1190 | 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 */ |
1191 | #endif |
1348 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1192 | |
1349 | |
1193 | --signum; |
1350 | if (expect_false (signals [signum].loop != EV_A)) |
1194 | |
|
|
1195 | if (signum < 0 || signum >= signalmax) |
|
|
1196 | return; |
1351 | return; |
|
|
1352 | #endif |
1197 | |
1353 | |
1198 | signals [signum].gotsig = 0; |
1354 | signals [signum].pending = 0; |
1199 | |
1355 | |
1200 | for (w = signals [signum].head; w; w = w->next) |
1356 | for (w = signals [signum].head; w; w = w->next) |
1201 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1357 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1202 | } |
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 |
1203 | |
1379 | |
1204 | /*****************************************************************************/ |
1380 | /*****************************************************************************/ |
1205 | |
1381 | |
1206 | static WL childs [EV_PID_HASHSIZE]; |
1382 | static WL childs [EV_PID_HASHSIZE]; |
1207 | |
1383 | |
… | |
… | |
1352 | ev_backend (EV_P) |
1528 | ev_backend (EV_P) |
1353 | { |
1529 | { |
1354 | return backend; |
1530 | return backend; |
1355 | } |
1531 | } |
1356 | |
1532 | |
|
|
1533 | #if EV_MINIMAL < 2 |
1357 | unsigned int |
1534 | unsigned int |
1358 | ev_loop_count (EV_P) |
1535 | ev_loop_count (EV_P) |
1359 | { |
1536 | { |
1360 | return loop_count; |
1537 | return loop_count; |
1361 | } |
1538 | } |
… | |
… | |
1375 | void |
1552 | void |
1376 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1553 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1377 | { |
1554 | { |
1378 | timeout_blocktime = interval; |
1555 | timeout_blocktime = interval; |
1379 | } |
1556 | } |
|
|
1557 | |
|
|
1558 | void |
|
|
1559 | ev_set_userdata (EV_P_ void *data) |
|
|
1560 | { |
|
|
1561 | userdata = data; |
|
|
1562 | } |
|
|
1563 | |
|
|
1564 | void * |
|
|
1565 | ev_userdata (EV_P) |
|
|
1566 | { |
|
|
1567 | return userdata; |
|
|
1568 | } |
|
|
1569 | |
|
|
1570 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
1571 | { |
|
|
1572 | invoke_cb = invoke_pending_cb; |
|
|
1573 | } |
|
|
1574 | |
|
|
1575 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
|
|
1576 | { |
|
|
1577 | release_cb = release; |
|
|
1578 | acquire_cb = acquire; |
|
|
1579 | } |
|
|
1580 | #endif |
1380 | |
1581 | |
1381 | /* initialise a loop structure, must be zero-initialised */ |
1582 | /* initialise a loop structure, must be zero-initialised */ |
1382 | static void noinline |
1583 | static void noinline |
1383 | loop_init (EV_P_ unsigned int flags) |
1584 | loop_init (EV_P_ unsigned int flags) |
1384 | { |
1585 | { |
… | |
… | |
1402 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1603 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1403 | have_monotonic = 1; |
1604 | have_monotonic = 1; |
1404 | } |
1605 | } |
1405 | #endif |
1606 | #endif |
1406 | |
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 | |
1407 | ev_rt_now = ev_time (); |
1619 | ev_rt_now = ev_time (); |
1408 | mn_now = get_clock (); |
1620 | mn_now = get_clock (); |
1409 | now_floor = mn_now; |
1621 | now_floor = mn_now; |
1410 | rtmn_diff = ev_rt_now - mn_now; |
1622 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1623 | #if EV_MINIMAL < 2 |
|
|
1624 | invoke_cb = ev_invoke_pending; |
|
|
1625 | #endif |
1411 | |
1626 | |
1412 | io_blocktime = 0.; |
1627 | io_blocktime = 0.; |
1413 | timeout_blocktime = 0.; |
1628 | timeout_blocktime = 0.; |
1414 | backend = 0; |
1629 | backend = 0; |
1415 | backend_fd = -1; |
1630 | backend_fd = -1; |
1416 | gotasync = 0; |
1631 | sig_pending = 0; |
|
|
1632 | #if EV_ASYNC_ENABLE |
|
|
1633 | async_pending = 0; |
|
|
1634 | #endif |
1417 | #if EV_USE_INOTIFY |
1635 | #if EV_USE_INOTIFY |
1418 | fs_fd = -2; |
1636 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1419 | #endif |
1637 | #endif |
1420 | |
1638 | #if EV_USE_SIGNALFD |
1421 | /* pid check not overridable via env */ |
1639 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1422 | #ifndef _WIN32 |
|
|
1423 | if (flags & EVFLAG_FORKCHECK) |
|
|
1424 | curpid = getpid (); |
|
|
1425 | #endif |
1640 | #endif |
1426 | |
|
|
1427 | if (!(flags & EVFLAG_NOENV) |
|
|
1428 | && !enable_secure () |
|
|
1429 | && getenv ("LIBEV_FLAGS")) |
|
|
1430 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1431 | |
1641 | |
1432 | if (!(flags & 0x0000ffffU)) |
1642 | if (!(flags & 0x0000ffffU)) |
1433 | flags |= ev_recommended_backends (); |
1643 | flags |= ev_recommended_backends (); |
1434 | |
1644 | |
1435 | #if EV_USE_PORT |
1645 | #if EV_USE_PORT |
… | |
… | |
1461 | { |
1671 | { |
1462 | int i; |
1672 | int i; |
1463 | |
1673 | |
1464 | if (ev_is_active (&pipe_w)) |
1674 | if (ev_is_active (&pipe_w)) |
1465 | { |
1675 | { |
1466 | ev_ref (EV_A); /* signal watcher */ |
1676 | /*ev_ref (EV_A);*/ |
1467 | ev_io_stop (EV_A_ &pipe_w); |
1677 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1468 | |
1678 | |
1469 | #if EV_USE_EVENTFD |
1679 | #if EV_USE_EVENTFD |
1470 | if (evfd >= 0) |
1680 | if (evfd >= 0) |
1471 | close (evfd); |
1681 | close (evfd); |
1472 | #endif |
1682 | #endif |
1473 | |
1683 | |
1474 | if (evpipe [0] >= 0) |
1684 | if (evpipe [0] >= 0) |
1475 | { |
1685 | { |
1476 | close (evpipe [0]); |
1686 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1477 | close (evpipe [1]); |
1687 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1478 | } |
1688 | } |
1479 | } |
1689 | } |
|
|
1690 | |
|
|
1691 | #if EV_USE_SIGNALFD |
|
|
1692 | if (ev_is_active (&sigfd_w)) |
|
|
1693 | close (sigfd); |
|
|
1694 | #endif |
1480 | |
1695 | |
1481 | #if EV_USE_INOTIFY |
1696 | #if EV_USE_INOTIFY |
1482 | if (fs_fd >= 0) |
1697 | if (fs_fd >= 0) |
1483 | close (fs_fd); |
1698 | close (fs_fd); |
1484 | #endif |
1699 | #endif |
… | |
… | |
1508 | #if EV_IDLE_ENABLE |
1723 | #if EV_IDLE_ENABLE |
1509 | array_free (idle, [i]); |
1724 | array_free (idle, [i]); |
1510 | #endif |
1725 | #endif |
1511 | } |
1726 | } |
1512 | |
1727 | |
1513 | ev_free (anfds); anfdmax = 0; |
1728 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1514 | |
1729 | |
1515 | /* have to use the microsoft-never-gets-it-right macro */ |
1730 | /* have to use the microsoft-never-gets-it-right macro */ |
1516 | array_free (rfeed, EMPTY); |
1731 | array_free (rfeed, EMPTY); |
1517 | array_free (fdchange, EMPTY); |
1732 | array_free (fdchange, EMPTY); |
1518 | array_free (timer, EMPTY); |
1733 | array_free (timer, EMPTY); |
… | |
… | |
1553 | |
1768 | |
1554 | if (ev_is_active (&pipe_w)) |
1769 | if (ev_is_active (&pipe_w)) |
1555 | { |
1770 | { |
1556 | /* this "locks" the handlers against writing to the pipe */ |
1771 | /* this "locks" the handlers against writing to the pipe */ |
1557 | /* while we modify the fd vars */ |
1772 | /* while we modify the fd vars */ |
1558 | gotsig = 1; |
1773 | sig_pending = 1; |
1559 | #if EV_ASYNC_ENABLE |
1774 | #if EV_ASYNC_ENABLE |
1560 | gotasync = 1; |
1775 | async_pending = 1; |
1561 | #endif |
1776 | #endif |
1562 | |
1777 | |
1563 | ev_ref (EV_A); |
1778 | ev_ref (EV_A); |
1564 | ev_io_stop (EV_A_ &pipe_w); |
1779 | ev_io_stop (EV_A_ &pipe_w); |
1565 | |
1780 | |
… | |
… | |
1568 | close (evfd); |
1783 | close (evfd); |
1569 | #endif |
1784 | #endif |
1570 | |
1785 | |
1571 | if (evpipe [0] >= 0) |
1786 | if (evpipe [0] >= 0) |
1572 | { |
1787 | { |
1573 | close (evpipe [0]); |
1788 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1574 | close (evpipe [1]); |
1789 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1575 | } |
1790 | } |
1576 | |
1791 | |
1577 | evpipe_init (EV_A); |
1792 | evpipe_init (EV_A); |
1578 | /* now iterate over everything, in case we missed something */ |
1793 | /* now iterate over everything, in case we missed something */ |
1579 | pipecb (EV_A_ &pipe_w, EV_READ); |
1794 | pipecb (EV_A_ &pipe_w, EV_READ); |
… | |
… | |
1585 | #if EV_MULTIPLICITY |
1800 | #if EV_MULTIPLICITY |
1586 | |
1801 | |
1587 | struct ev_loop * |
1802 | struct ev_loop * |
1588 | ev_loop_new (unsigned int flags) |
1803 | ev_loop_new (unsigned int flags) |
1589 | { |
1804 | { |
1590 | 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)); |
1591 | |
1806 | |
1592 | memset (loop, 0, sizeof (struct ev_loop)); |
1807 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1593 | |
|
|
1594 | loop_init (EV_A_ flags); |
1808 | loop_init (EV_A_ flags); |
1595 | |
1809 | |
1596 | if (ev_backend (EV_A)) |
1810 | if (ev_backend (EV_A)) |
1597 | return loop; |
1811 | return EV_A; |
1598 | |
1812 | |
1599 | return 0; |
1813 | return 0; |
1600 | } |
1814 | } |
1601 | |
1815 | |
1602 | void |
1816 | void |
… | |
… | |
1609 | void |
1823 | void |
1610 | ev_loop_fork (EV_P) |
1824 | ev_loop_fork (EV_P) |
1611 | { |
1825 | { |
1612 | postfork = 1; /* must be in line with ev_default_fork */ |
1826 | postfork = 1; /* must be in line with ev_default_fork */ |
1613 | } |
1827 | } |
|
|
1828 | #endif /* multiplicity */ |
1614 | |
1829 | |
1615 | #if EV_VERIFY |
1830 | #if EV_VERIFY |
1616 | static void noinline |
1831 | static void noinline |
1617 | verify_watcher (EV_P_ W w) |
1832 | verify_watcher (EV_P_ W w) |
1618 | { |
1833 | { |
… | |
… | |
1646 | verify_watcher (EV_A_ ws [cnt]); |
1861 | verify_watcher (EV_A_ ws [cnt]); |
1647 | } |
1862 | } |
1648 | } |
1863 | } |
1649 | #endif |
1864 | #endif |
1650 | |
1865 | |
|
|
1866 | #if EV_MINIMAL < 2 |
1651 | void |
1867 | void |
1652 | ev_loop_verify (EV_P) |
1868 | ev_loop_verify (EV_P) |
1653 | { |
1869 | { |
1654 | #if EV_VERIFY |
1870 | #if EV_VERIFY |
1655 | int i; |
1871 | int i; |
… | |
… | |
1704 | assert (checkmax >= checkcnt); |
1920 | assert (checkmax >= checkcnt); |
1705 | array_verify (EV_A_ (W *)checks, checkcnt); |
1921 | array_verify (EV_A_ (W *)checks, checkcnt); |
1706 | |
1922 | |
1707 | # if 0 |
1923 | # if 0 |
1708 | 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) |
1709 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1925 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1710 | # endif |
|
|
1711 | #endif |
1926 | # endif |
|
|
1927 | #endif |
1712 | } |
1928 | } |
1713 | |
1929 | #endif |
1714 | #endif /* multiplicity */ |
|
|
1715 | |
1930 | |
1716 | #if EV_MULTIPLICITY |
1931 | #if EV_MULTIPLICITY |
1717 | struct ev_loop * |
1932 | struct ev_loop * |
1718 | ev_default_loop_init (unsigned int flags) |
1933 | ev_default_loop_init (unsigned int flags) |
1719 | #else |
1934 | #else |
… | |
… | |
1722 | #endif |
1937 | #endif |
1723 | { |
1938 | { |
1724 | if (!ev_default_loop_ptr) |
1939 | if (!ev_default_loop_ptr) |
1725 | { |
1940 | { |
1726 | #if EV_MULTIPLICITY |
1941 | #if EV_MULTIPLICITY |
1727 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1942 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1728 | #else |
1943 | #else |
1729 | ev_default_loop_ptr = 1; |
1944 | ev_default_loop_ptr = 1; |
1730 | #endif |
1945 | #endif |
1731 | |
1946 | |
1732 | loop_init (EV_A_ flags); |
1947 | loop_init (EV_A_ flags); |
… | |
… | |
1749 | |
1964 | |
1750 | void |
1965 | void |
1751 | ev_default_destroy (void) |
1966 | ev_default_destroy (void) |
1752 | { |
1967 | { |
1753 | #if EV_MULTIPLICITY |
1968 | #if EV_MULTIPLICITY |
1754 | struct ev_loop *loop = ev_default_loop_ptr; |
1969 | EV_P = ev_default_loop_ptr; |
1755 | #endif |
1970 | #endif |
1756 | |
1971 | |
1757 | ev_default_loop_ptr = 0; |
1972 | ev_default_loop_ptr = 0; |
1758 | |
1973 | |
1759 | #ifndef _WIN32 |
1974 | #ifndef _WIN32 |
… | |
… | |
1766 | |
1981 | |
1767 | void |
1982 | void |
1768 | ev_default_fork (void) |
1983 | ev_default_fork (void) |
1769 | { |
1984 | { |
1770 | #if EV_MULTIPLICITY |
1985 | #if EV_MULTIPLICITY |
1771 | struct ev_loop *loop = ev_default_loop_ptr; |
1986 | EV_P = ev_default_loop_ptr; |
1772 | #endif |
1987 | #endif |
1773 | |
1988 | |
1774 | postfork = 1; /* must be in line with ev_loop_fork */ |
1989 | postfork = 1; /* must be in line with ev_loop_fork */ |
1775 | } |
1990 | } |
1776 | |
1991 | |
… | |
… | |
1780 | ev_invoke (EV_P_ void *w, int revents) |
1995 | ev_invoke (EV_P_ void *w, int revents) |
1781 | { |
1996 | { |
1782 | EV_CB_INVOKE ((W)w, revents); |
1997 | EV_CB_INVOKE ((W)w, revents); |
1783 | } |
1998 | } |
1784 | |
1999 | |
1785 | inline_speed void |
2000 | unsigned int |
1786 | call_pending (EV_P) |
2001 | ev_pending_count (EV_P) |
|
|
2002 | { |
|
|
2003 | int pri; |
|
|
2004 | unsigned int count = 0; |
|
|
2005 | |
|
|
2006 | for (pri = NUMPRI; pri--; ) |
|
|
2007 | count += pendingcnt [pri]; |
|
|
2008 | |
|
|
2009 | return count; |
|
|
2010 | } |
|
|
2011 | |
|
|
2012 | void noinline |
|
|
2013 | ev_invoke_pending (EV_P) |
1787 | { |
2014 | { |
1788 | int pri; |
2015 | int pri; |
1789 | |
2016 | |
1790 | for (pri = NUMPRI; pri--; ) |
2017 | for (pri = NUMPRI; pri--; ) |
1791 | while (pendingcnt [pri]) |
2018 | while (pendingcnt [pri]) |
… | |
… | |
1959 | ANHE_at_cache (*he); |
2186 | ANHE_at_cache (*he); |
1960 | } |
2187 | } |
1961 | } |
2188 | } |
1962 | |
2189 | |
1963 | /* fetch new monotonic and realtime times from the kernel */ |
2190 | /* fetch new monotonic and realtime times from the kernel */ |
1964 | /* also detetc if there was a timejump, and act accordingly */ |
2191 | /* also detect if there was a timejump, and act accordingly */ |
1965 | inline_speed void |
2192 | inline_speed void |
1966 | time_update (EV_P_ ev_tstamp max_block) |
2193 | time_update (EV_P_ ev_tstamp max_block) |
1967 | { |
2194 | { |
1968 | #if EV_USE_MONOTONIC |
2195 | #if EV_USE_MONOTONIC |
1969 | if (expect_true (have_monotonic)) |
2196 | if (expect_true (have_monotonic)) |
… | |
… | |
2029 | } |
2256 | } |
2030 | |
2257 | |
2031 | void |
2258 | void |
2032 | ev_loop (EV_P_ int flags) |
2259 | ev_loop (EV_P_ int flags) |
2033 | { |
2260 | { |
|
|
2261 | #if EV_MINIMAL < 2 |
2034 | ++loop_depth; |
2262 | ++loop_depth; |
|
|
2263 | #endif |
|
|
2264 | |
|
|
2265 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2035 | |
2266 | |
2036 | loop_done = EVUNLOOP_CANCEL; |
2267 | loop_done = EVUNLOOP_CANCEL; |
2037 | |
2268 | |
2038 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2269 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2039 | |
2270 | |
2040 | do |
2271 | do |
2041 | { |
2272 | { |
2042 | #if EV_VERIFY >= 2 |
2273 | #if EV_VERIFY >= 2 |
2043 | ev_loop_verify (EV_A); |
2274 | ev_loop_verify (EV_A); |
… | |
… | |
2056 | /* we might have forked, so queue fork handlers */ |
2287 | /* we might have forked, so queue fork handlers */ |
2057 | if (expect_false (postfork)) |
2288 | if (expect_false (postfork)) |
2058 | if (forkcnt) |
2289 | if (forkcnt) |
2059 | { |
2290 | { |
2060 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2291 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2061 | call_pending (EV_A); |
2292 | EV_INVOKE_PENDING; |
2062 | } |
2293 | } |
2063 | #endif |
2294 | #endif |
2064 | |
2295 | |
2065 | /* queue prepare watchers (and execute them) */ |
2296 | /* queue prepare watchers (and execute them) */ |
2066 | if (expect_false (preparecnt)) |
2297 | if (expect_false (preparecnt)) |
2067 | { |
2298 | { |
2068 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2299 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2069 | call_pending (EV_A); |
2300 | EV_INVOKE_PENDING; |
2070 | } |
2301 | } |
|
|
2302 | |
|
|
2303 | if (expect_false (loop_done)) |
|
|
2304 | break; |
2071 | |
2305 | |
2072 | /* we might have forked, so reify kernel state if necessary */ |
2306 | /* we might have forked, so reify kernel state if necessary */ |
2073 | if (expect_false (postfork)) |
2307 | if (expect_false (postfork)) |
2074 | loop_fork (EV_A); |
2308 | loop_fork (EV_A); |
2075 | |
2309 | |
… | |
… | |
2123 | waittime -= sleeptime; |
2357 | waittime -= sleeptime; |
2124 | } |
2358 | } |
2125 | } |
2359 | } |
2126 | } |
2360 | } |
2127 | |
2361 | |
|
|
2362 | #if EV_MINIMAL < 2 |
2128 | ++loop_count; |
2363 | ++loop_count; |
|
|
2364 | #endif |
|
|
2365 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2129 | backend_poll (EV_A_ waittime); |
2366 | backend_poll (EV_A_ waittime); |
|
|
2367 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2130 | |
2368 | |
2131 | /* update ev_rt_now, do magic */ |
2369 | /* update ev_rt_now, do magic */ |
2132 | time_update (EV_A_ waittime + sleeptime); |
2370 | time_update (EV_A_ waittime + sleeptime); |
2133 | } |
2371 | } |
2134 | |
2372 | |
… | |
… | |
2145 | |
2383 | |
2146 | /* queue check watchers, to be executed first */ |
2384 | /* queue check watchers, to be executed first */ |
2147 | if (expect_false (checkcnt)) |
2385 | if (expect_false (checkcnt)) |
2148 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2386 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2149 | |
2387 | |
2150 | call_pending (EV_A); |
2388 | EV_INVOKE_PENDING; |
2151 | } |
2389 | } |
2152 | while (expect_true ( |
2390 | while (expect_true ( |
2153 | activecnt |
2391 | activecnt |
2154 | && !loop_done |
2392 | && !loop_done |
2155 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2393 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2156 | )); |
2394 | )); |
2157 | |
2395 | |
2158 | if (loop_done == EVUNLOOP_ONE) |
2396 | if (loop_done == EVUNLOOP_ONE) |
2159 | loop_done = EVUNLOOP_CANCEL; |
2397 | loop_done = EVUNLOOP_CANCEL; |
2160 | |
2398 | |
|
|
2399 | #if EV_MINIMAL < 2 |
2161 | --loop_depth; |
2400 | --loop_depth; |
|
|
2401 | #endif |
2162 | } |
2402 | } |
2163 | |
2403 | |
2164 | void |
2404 | void |
2165 | ev_unloop (EV_P_ int how) |
2405 | ev_unloop (EV_P_ int how) |
2166 | { |
2406 | { |
… | |
… | |
2217 | inline_size void |
2457 | inline_size void |
2218 | wlist_del (WL *head, WL elem) |
2458 | wlist_del (WL *head, WL elem) |
2219 | { |
2459 | { |
2220 | while (*head) |
2460 | while (*head) |
2221 | { |
2461 | { |
2222 | if (*head == elem) |
2462 | if (expect_true (*head == elem)) |
2223 | { |
2463 | { |
2224 | *head = elem->next; |
2464 | *head = elem->next; |
2225 | return; |
2465 | break; |
2226 | } |
2466 | } |
2227 | |
2467 | |
2228 | head = &(*head)->next; |
2468 | head = &(*head)->next; |
2229 | } |
2469 | } |
2230 | } |
2470 | } |
… | |
… | |
2258 | } |
2498 | } |
2259 | |
2499 | |
2260 | inline_size void |
2500 | inline_size void |
2261 | pri_adjust (EV_P_ W w) |
2501 | pri_adjust (EV_P_ W w) |
2262 | { |
2502 | { |
2263 | int pri = w->priority; |
2503 | int pri = ev_priority (w); |
2264 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2504 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2265 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2505 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2266 | w->priority = pri; |
2506 | ev_set_priority (w, pri); |
2267 | } |
2507 | } |
2268 | |
2508 | |
2269 | inline_speed void |
2509 | inline_speed void |
2270 | ev_start (EV_P_ W w, int active) |
2510 | ev_start (EV_P_ W w, int active) |
2271 | { |
2511 | { |
… | |
… | |
2290 | |
2530 | |
2291 | if (expect_false (ev_is_active (w))) |
2531 | if (expect_false (ev_is_active (w))) |
2292 | return; |
2532 | return; |
2293 | |
2533 | |
2294 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2534 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2295 | 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)))); |
2296 | |
2536 | |
2297 | EV_FREQUENT_CHECK; |
2537 | EV_FREQUENT_CHECK; |
2298 | |
2538 | |
2299 | ev_start (EV_A_ (W)w, 1); |
2539 | ev_start (EV_A_ (W)w, 1); |
2300 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2540 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2301 | wlist_add (&anfds[fd].head, (WL)w); |
2541 | wlist_add (&anfds[fd].head, (WL)w); |
2302 | |
2542 | |
2303 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
2543 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2304 | w->events &= ~EV__IOFDSET; |
2544 | w->events &= ~EV__IOFDSET; |
2305 | |
2545 | |
2306 | EV_FREQUENT_CHECK; |
2546 | EV_FREQUENT_CHECK; |
2307 | } |
2547 | } |
2308 | |
2548 | |
… | |
… | |
2370 | timers [active] = timers [timercnt + HEAP0]; |
2610 | timers [active] = timers [timercnt + HEAP0]; |
2371 | adjustheap (timers, timercnt, active); |
2611 | adjustheap (timers, timercnt, active); |
2372 | } |
2612 | } |
2373 | } |
2613 | } |
2374 | |
2614 | |
2375 | EV_FREQUENT_CHECK; |
|
|
2376 | |
|
|
2377 | ev_at (w) -= mn_now; |
2615 | ev_at (w) -= mn_now; |
2378 | |
2616 | |
2379 | ev_stop (EV_A_ (W)w); |
2617 | ev_stop (EV_A_ (W)w); |
|
|
2618 | |
|
|
2619 | EV_FREQUENT_CHECK; |
2380 | } |
2620 | } |
2381 | |
2621 | |
2382 | void noinline |
2622 | void noinline |
2383 | ev_timer_again (EV_P_ ev_timer *w) |
2623 | ev_timer_again (EV_P_ ev_timer *w) |
2384 | { |
2624 | { |
… | |
… | |
2402 | } |
2642 | } |
2403 | |
2643 | |
2404 | EV_FREQUENT_CHECK; |
2644 | EV_FREQUENT_CHECK; |
2405 | } |
2645 | } |
2406 | |
2646 | |
|
|
2647 | ev_tstamp |
|
|
2648 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2649 | { |
|
|
2650 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
|
|
2651 | } |
|
|
2652 | |
2407 | #if EV_PERIODIC_ENABLE |
2653 | #if EV_PERIODIC_ENABLE |
2408 | void noinline |
2654 | void noinline |
2409 | ev_periodic_start (EV_P_ ev_periodic *w) |
2655 | ev_periodic_start (EV_P_ ev_periodic *w) |
2410 | { |
2656 | { |
2411 | if (expect_false (ev_is_active (w))) |
2657 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2457 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2703 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2458 | adjustheap (periodics, periodiccnt, active); |
2704 | adjustheap (periodics, periodiccnt, active); |
2459 | } |
2705 | } |
2460 | } |
2706 | } |
2461 | |
2707 | |
2462 | EV_FREQUENT_CHECK; |
|
|
2463 | |
|
|
2464 | ev_stop (EV_A_ (W)w); |
2708 | ev_stop (EV_A_ (W)w); |
|
|
2709 | |
|
|
2710 | EV_FREQUENT_CHECK; |
2465 | } |
2711 | } |
2466 | |
2712 | |
2467 | void noinline |
2713 | void noinline |
2468 | ev_periodic_again (EV_P_ ev_periodic *w) |
2714 | ev_periodic_again (EV_P_ ev_periodic *w) |
2469 | { |
2715 | { |
… | |
… | |
2478 | #endif |
2724 | #endif |
2479 | |
2725 | |
2480 | void noinline |
2726 | void noinline |
2481 | ev_signal_start (EV_P_ ev_signal *w) |
2727 | ev_signal_start (EV_P_ ev_signal *w) |
2482 | { |
2728 | { |
2483 | #if EV_MULTIPLICITY |
|
|
2484 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2485 | #endif |
|
|
2486 | if (expect_false (ev_is_active (w))) |
2729 | if (expect_false (ev_is_active (w))) |
2487 | return; |
2730 | return; |
2488 | |
2731 | |
2489 | 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)); |
2490 | |
2733 | |
2491 | 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)); |
2492 | |
2737 | |
2493 | EV_FREQUENT_CHECK; |
2738 | signals [w->signum - 1].loop = EV_A; |
|
|
2739 | #endif |
2494 | |
2740 | |
|
|
2741 | EV_FREQUENT_CHECK; |
|
|
2742 | |
|
|
2743 | #if EV_USE_SIGNALFD |
|
|
2744 | if (sigfd == -2) |
2495 | { |
2745 | { |
2496 | #ifndef _WIN32 |
2746 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2497 | sigset_t full, prev; |
2747 | if (sigfd < 0 && errno == EINVAL) |
2498 | sigfillset (&full); |
2748 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2499 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2500 | #endif |
|
|
2501 | |
2749 | |
2502 | 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 */ |
2503 | |
2753 | |
2504 | #ifndef _WIN32 |
2754 | sigemptyset (&sigfd_set); |
2505 | sigprocmask (SIG_SETMASK, &prev, 0); |
2755 | |
2506 | #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 | } |
2507 | } |
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 |
2508 | |
2772 | |
2509 | ev_start (EV_A_ (W)w, 1); |
2773 | ev_start (EV_A_ (W)w, 1); |
2510 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2774 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2511 | |
2775 | |
2512 | if (!((WL)w)->next) |
2776 | if (!((WL)w)->next) |
|
|
2777 | # if EV_USE_SIGNALFD |
|
|
2778 | if (sigfd < 0) /*TODO*/ |
|
|
2779 | # endif |
2513 | { |
2780 | { |
2514 | #if _WIN32 |
2781 | # ifdef _WIN32 |
|
|
2782 | evpipe_init (EV_A); |
|
|
2783 | |
2515 | signal (w->signum, ev_sighandler); |
2784 | signal (w->signum, ev_sighandler); |
2516 | #else |
2785 | # else |
2517 | struct sigaction sa; |
2786 | struct sigaction sa; |
|
|
2787 | |
|
|
2788 | evpipe_init (EV_A); |
|
|
2789 | |
2518 | sa.sa_handler = ev_sighandler; |
2790 | sa.sa_handler = ev_sighandler; |
2519 | sigfillset (&sa.sa_mask); |
2791 | sigfillset (&sa.sa_mask); |
2520 | 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 */ |
2521 | 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); |
2522 | #endif |
2798 | #endif |
2523 | } |
2799 | } |
2524 | |
2800 | |
2525 | EV_FREQUENT_CHECK; |
2801 | EV_FREQUENT_CHECK; |
2526 | } |
2802 | } |
2527 | |
2803 | |
2528 | void noinline |
2804 | void noinline |
… | |
… | |
2536 | |
2812 | |
2537 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2813 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2538 | ev_stop (EV_A_ (W)w); |
2814 | ev_stop (EV_A_ (W)w); |
2539 | |
2815 | |
2540 | 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 |
2541 | signal (w->signum, SIG_DFL); |
2835 | signal (w->signum, SIG_DFL); |
|
|
2836 | } |
2542 | |
2837 | |
2543 | EV_FREQUENT_CHECK; |
2838 | EV_FREQUENT_CHECK; |
2544 | } |
2839 | } |
2545 | |
2840 | |
2546 | void |
2841 | void |
… | |
… | |
2587 | #define MIN_STAT_INTERVAL 0.1074891 |
2882 | #define MIN_STAT_INTERVAL 0.1074891 |
2588 | |
2883 | |
2589 | 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); |
2590 | |
2885 | |
2591 | #if EV_USE_INOTIFY |
2886 | #if EV_USE_INOTIFY |
2592 | # 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) |
2593 | |
2890 | |
2594 | static void noinline |
2891 | static void noinline |
2595 | infy_add (EV_P_ ev_stat *w) |
2892 | infy_add (EV_P_ ev_stat *w) |
2596 | { |
2893 | { |
2597 | 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); |
2598 | |
2895 | |
2599 | 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 */ |
2600 | { |
2916 | } |
|
|
2917 | else |
|
|
2918 | { |
|
|
2919 | /* can't use inotify, continue to stat */ |
2601 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2920 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2602 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2603 | |
2921 | |
2604 | /* monitor some parent directory for speedup hints */ |
2922 | /* if path is not there, monitor some parent directory for speedup hints */ |
2605 | /* 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, */ |
2606 | /* but an efficiency issue only */ |
2924 | /* but an efficiency issue only */ |
2607 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2925 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2608 | { |
2926 | { |
2609 | char path [4096]; |
2927 | char path [4096]; |
… | |
… | |
2625 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2943 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2626 | } |
2944 | } |
2627 | } |
2945 | } |
2628 | |
2946 | |
2629 | if (w->wd >= 0) |
2947 | if (w->wd >= 0) |
2630 | { |
|
|
2631 | 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); |
2632 | |
2949 | |
2633 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2950 | /* now re-arm timer, if required */ |
2634 | /* unless the filesystem it known to be local, we therefore still poll */ |
2951 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2635 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2636 | struct statfs sfs; |
|
|
2637 | |
|
|
2638 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2639 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2640 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2641 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2642 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2643 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2644 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2645 | return; |
|
|
2646 | |
|
|
2647 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2648 | ev_timer_again (EV_A_ &w->timer); |
2952 | ev_timer_again (EV_A_ &w->timer); |
2649 | } |
2953 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2650 | } |
2954 | } |
2651 | |
2955 | |
2652 | static void noinline |
2956 | static void noinline |
2653 | infy_del (EV_P_ ev_stat *w) |
2957 | infy_del (EV_P_ ev_stat *w) |
2654 | { |
2958 | { |
… | |
… | |
2699 | |
3003 | |
2700 | static void |
3004 | static void |
2701 | infy_cb (EV_P_ ev_io *w, int revents) |
3005 | infy_cb (EV_P_ ev_io *w, int revents) |
2702 | { |
3006 | { |
2703 | char buf [EV_INOTIFY_BUFSIZE]; |
3007 | char buf [EV_INOTIFY_BUFSIZE]; |
2704 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2705 | int ofs; |
3008 | int ofs; |
2706 | int len = read (fs_fd, buf, sizeof (buf)); |
3009 | int len = read (fs_fd, buf, sizeof (buf)); |
2707 | |
3010 | |
2708 | 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); |
2709 | 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; |
2710 | } |
3049 | } |
2711 | |
3050 | |
2712 | inline_size void |
3051 | inline_size void |
2713 | check_2625 (EV_P) |
3052 | ev_check_2625 (EV_P) |
2714 | { |
3053 | { |
2715 | /* kernels < 2.6.25 are borked |
3054 | /* kernels < 2.6.25 are borked |
2716 | * 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 |
2717 | */ |
3056 | */ |
2718 | struct utsname buf; |
3057 | if (ev_linux_version () < 0x020619) |
2719 | int major, minor, micro; |
|
|
2720 | |
|
|
2721 | if (uname (&buf)) |
|
|
2722 | return; |
3058 | return; |
2723 | |
3059 | |
2724 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2725 | return; |
|
|
2726 | |
|
|
2727 | if (major < 2 |
|
|
2728 | || (major == 2 && minor < 6) |
|
|
2729 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2730 | return; |
|
|
2731 | |
|
|
2732 | 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 (); |
2733 | } |
3072 | } |
2734 | |
3073 | |
2735 | inline_size void |
3074 | inline_size void |
2736 | infy_init (EV_P) |
3075 | infy_init (EV_P) |
2737 | { |
3076 | { |
2738 | if (fs_fd != -2) |
3077 | if (fs_fd != -2) |
2739 | return; |
3078 | return; |
2740 | |
3079 | |
2741 | fs_fd = -1; |
3080 | fs_fd = -1; |
2742 | |
3081 | |
2743 | check_2625 (EV_A); |
3082 | ev_check_2625 (EV_A); |
2744 | |
3083 | |
2745 | fs_fd = inotify_init (); |
3084 | fs_fd = infy_newfd (); |
2746 | |
3085 | |
2747 | if (fs_fd >= 0) |
3086 | if (fs_fd >= 0) |
2748 | { |
3087 | { |
|
|
3088 | fd_intern (fs_fd); |
2749 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3089 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2750 | ev_set_priority (&fs_w, EV_MAXPRI); |
3090 | ev_set_priority (&fs_w, EV_MAXPRI); |
2751 | ev_io_start (EV_A_ &fs_w); |
3091 | ev_io_start (EV_A_ &fs_w); |
|
|
3092 | ev_unref (EV_A); |
2752 | } |
3093 | } |
2753 | } |
3094 | } |
2754 | |
3095 | |
2755 | inline_size void |
3096 | inline_size void |
2756 | infy_fork (EV_P) |
3097 | infy_fork (EV_P) |
… | |
… | |
2758 | int slot; |
3099 | int slot; |
2759 | |
3100 | |
2760 | if (fs_fd < 0) |
3101 | if (fs_fd < 0) |
2761 | return; |
3102 | return; |
2762 | |
3103 | |
|
|
3104 | ev_ref (EV_A); |
|
|
3105 | ev_io_stop (EV_A_ &fs_w); |
2763 | close (fs_fd); |
3106 | close (fs_fd); |
2764 | 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 | } |
2765 | |
3116 | |
2766 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3117 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2767 | { |
3118 | { |
2768 | WL w_ = fs_hash [slot].head; |
3119 | WL w_ = fs_hash [slot].head; |
2769 | fs_hash [slot].head = 0; |
3120 | fs_hash [slot].head = 0; |
… | |
… | |
2776 | w->wd = -1; |
3127 | w->wd = -1; |
2777 | |
3128 | |
2778 | if (fs_fd >= 0) |
3129 | if (fs_fd >= 0) |
2779 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3130 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2780 | 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); |
2781 | 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 | } |
2782 | } |
3138 | } |
2783 | } |
3139 | } |
2784 | } |
3140 | } |
2785 | |
3141 | |
2786 | #endif |
3142 | #endif |
… | |
… | |
2803 | static void noinline |
3159 | static void noinline |
2804 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3160 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2805 | { |
3161 | { |
2806 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3162 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2807 | |
3163 | |
2808 | /* we copy this here each the time so that */ |
3164 | ev_statdata prev = w->attr; |
2809 | /* prev has the old value when the callback gets invoked */ |
|
|
2810 | w->prev = w->attr; |
|
|
2811 | ev_stat_stat (EV_A_ w); |
3165 | ev_stat_stat (EV_A_ w); |
2812 | |
3166 | |
2813 | /* 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 */ |
2814 | if ( |
3168 | if ( |
2815 | w->prev.st_dev != w->attr.st_dev |
3169 | prev.st_dev != w->attr.st_dev |
2816 | || w->prev.st_ino != w->attr.st_ino |
3170 | || prev.st_ino != w->attr.st_ino |
2817 | || w->prev.st_mode != w->attr.st_mode |
3171 | || prev.st_mode != w->attr.st_mode |
2818 | || w->prev.st_nlink != w->attr.st_nlink |
3172 | || prev.st_nlink != w->attr.st_nlink |
2819 | || w->prev.st_uid != w->attr.st_uid |
3173 | || prev.st_uid != w->attr.st_uid |
2820 | || w->prev.st_gid != w->attr.st_gid |
3174 | || prev.st_gid != w->attr.st_gid |
2821 | || w->prev.st_rdev != w->attr.st_rdev |
3175 | || prev.st_rdev != w->attr.st_rdev |
2822 | || w->prev.st_size != w->attr.st_size |
3176 | || prev.st_size != w->attr.st_size |
2823 | || w->prev.st_atime != w->attr.st_atime |
3177 | || prev.st_atime != w->attr.st_atime |
2824 | || w->prev.st_mtime != w->attr.st_mtime |
3178 | || prev.st_mtime != w->attr.st_mtime |
2825 | || w->prev.st_ctime != w->attr.st_ctime |
3179 | || prev.st_ctime != w->attr.st_ctime |
2826 | ) { |
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 | |
2827 | #if EV_USE_INOTIFY |
3186 | #if EV_USE_INOTIFY |
2828 | if (fs_fd >= 0) |
3187 | if (fs_fd >= 0) |
2829 | { |
3188 | { |
2830 | infy_del (EV_A_ w); |
3189 | infy_del (EV_A_ w); |
2831 | infy_add (EV_A_ w); |
3190 | infy_add (EV_A_ w); |
… | |
… | |
2856 | |
3215 | |
2857 | if (fs_fd >= 0) |
3216 | if (fs_fd >= 0) |
2858 | infy_add (EV_A_ w); |
3217 | infy_add (EV_A_ w); |
2859 | else |
3218 | else |
2860 | #endif |
3219 | #endif |
|
|
3220 | { |
2861 | ev_timer_again (EV_A_ &w->timer); |
3221 | ev_timer_again (EV_A_ &w->timer); |
|
|
3222 | ev_unref (EV_A); |
|
|
3223 | } |
2862 | |
3224 | |
2863 | ev_start (EV_A_ (W)w, 1); |
3225 | ev_start (EV_A_ (W)w, 1); |
2864 | |
3226 | |
2865 | EV_FREQUENT_CHECK; |
3227 | EV_FREQUENT_CHECK; |
2866 | } |
3228 | } |
… | |
… | |
2875 | EV_FREQUENT_CHECK; |
3237 | EV_FREQUENT_CHECK; |
2876 | |
3238 | |
2877 | #if EV_USE_INOTIFY |
3239 | #if EV_USE_INOTIFY |
2878 | infy_del (EV_A_ w); |
3240 | infy_del (EV_A_ w); |
2879 | #endif |
3241 | #endif |
|
|
3242 | |
|
|
3243 | if (ev_is_active (&w->timer)) |
|
|
3244 | { |
|
|
3245 | ev_ref (EV_A); |
2880 | ev_timer_stop (EV_A_ &w->timer); |
3246 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3247 | } |
2881 | |
3248 | |
2882 | ev_stop (EV_A_ (W)w); |
3249 | ev_stop (EV_A_ (W)w); |
2883 | |
3250 | |
2884 | EV_FREQUENT_CHECK; |
3251 | EV_FREQUENT_CHECK; |
2885 | } |
3252 | } |
… | |
… | |
3026 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3393 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3027 | { |
3394 | { |
3028 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3395 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3029 | |
3396 | |
3030 | { |
3397 | { |
3031 | struct ev_loop *loop = w->other; |
3398 | EV_P = w->other; |
3032 | |
3399 | |
3033 | while (fdchangecnt) |
3400 | while (fdchangecnt) |
3034 | { |
3401 | { |
3035 | fd_reify (EV_A); |
3402 | fd_reify (EV_A); |
3036 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3403 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
… | |
… | |
3044 | 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)); |
3045 | |
3412 | |
3046 | ev_embed_stop (EV_A_ w); |
3413 | ev_embed_stop (EV_A_ w); |
3047 | |
3414 | |
3048 | { |
3415 | { |
3049 | struct ev_loop *loop = w->other; |
3416 | EV_P = w->other; |
3050 | |
3417 | |
3051 | ev_loop_fork (EV_A); |
3418 | ev_loop_fork (EV_A); |
3052 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3419 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3053 | } |
3420 | } |
3054 | |
3421 | |
… | |
… | |
3068 | { |
3435 | { |
3069 | if (expect_false (ev_is_active (w))) |
3436 | if (expect_false (ev_is_active (w))) |
3070 | return; |
3437 | return; |
3071 | |
3438 | |
3072 | { |
3439 | { |
3073 | struct ev_loop *loop = w->other; |
3440 | EV_P = w->other; |
3074 | 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 ())); |
3075 | 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); |
3076 | } |
3443 | } |
3077 | |
3444 | |
3078 | EV_FREQUENT_CHECK; |
3445 | EV_FREQUENT_CHECK; |
… | |
… | |
3105 | |
3472 | |
3106 | ev_io_stop (EV_A_ &w->io); |
3473 | ev_io_stop (EV_A_ &w->io); |
3107 | ev_prepare_stop (EV_A_ &w->prepare); |
3474 | ev_prepare_stop (EV_A_ &w->prepare); |
3108 | ev_fork_stop (EV_A_ &w->fork); |
3475 | ev_fork_stop (EV_A_ &w->fork); |
3109 | |
3476 | |
|
|
3477 | ev_stop (EV_A_ (W)w); |
|
|
3478 | |
3110 | EV_FREQUENT_CHECK; |
3479 | EV_FREQUENT_CHECK; |
3111 | } |
3480 | } |
3112 | #endif |
3481 | #endif |
3113 | |
3482 | |
3114 | #if EV_FORK_ENABLE |
3483 | #if EV_FORK_ENABLE |
… | |
… | |
3190 | |
3559 | |
3191 | void |
3560 | void |
3192 | ev_async_send (EV_P_ ev_async *w) |
3561 | ev_async_send (EV_P_ ev_async *w) |
3193 | { |
3562 | { |
3194 | w->sent = 1; |
3563 | w->sent = 1; |
3195 | evpipe_write (EV_A_ &gotasync); |
3564 | evpipe_write (EV_A_ &async_pending); |
3196 | } |
3565 | } |
3197 | #endif |
3566 | #endif |
3198 | |
3567 | |
3199 | /*****************************************************************************/ |
3568 | /*****************************************************************************/ |
3200 | |
3569 | |
… | |
… | |
3349 | if (types & EV_CHECK) |
3718 | if (types & EV_CHECK) |
3350 | for (i = checkcnt; i--; ) |
3719 | for (i = checkcnt; i--; ) |
3351 | cb (EV_A_ EV_CHECK, checks [i]); |
3720 | cb (EV_A_ EV_CHECK, checks [i]); |
3352 | |
3721 | |
3353 | if (types & EV_SIGNAL) |
3722 | if (types & EV_SIGNAL) |
3354 | for (i = 0; i < signalmax; ++i) |
3723 | for (i = 0; i < EV_NSIG - 1; ++i) |
3355 | for (wl = signals [i].head; wl; ) |
3724 | for (wl = signals [i].head; wl; ) |
3356 | { |
3725 | { |
3357 | wn = wl->next; |
3726 | wn = wl->next; |
3358 | cb (EV_A_ EV_SIGNAL, wl); |
3727 | cb (EV_A_ EV_SIGNAL, wl); |
3359 | wl = wn; |
3728 | wl = wn; |