1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2020 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
|
|
40 | #pragma clang diagnostic ignored "-Wunused-value" |
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41 | #pragma clang diagnostic ignored "-Wcomment" |
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42 | #pragma clang diagnostic ignored "-Wextern-initializer" |
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43 | |
40 | /* this big block deduces configuration from config.h */ |
44 | /* this big block deduces configuration from config.h */ |
41 | #ifndef EV_STANDALONE |
45 | #ifndef EV_STANDALONE |
42 | # ifdef EV_CONFIG_H |
46 | # ifdef EV_CONFIG_H |
43 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
44 | # else |
48 | # else |
… | |
… | |
115 | # else |
119 | # else |
116 | # undef EV_USE_EPOLL |
120 | # undef EV_USE_EPOLL |
117 | # define EV_USE_EPOLL 0 |
121 | # define EV_USE_EPOLL 0 |
118 | # endif |
122 | # endif |
119 | |
123 | |
|
|
124 | # if HAVE_LINUX_AIO_ABI_H |
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|
125 | # ifndef EV_USE_LINUXAIO |
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126 | # define EV_USE_LINUXAIO 0 /* was: EV_FEATURE_BACKENDS, always off by default */ |
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127 | # endif |
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128 | # else |
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129 | # undef EV_USE_LINUXAIO |
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130 | # define EV_USE_LINUXAIO 0 |
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131 | # endif |
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132 | |
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133 | # if HAVE_LINUX_FS_H && HAVE_SYS_TIMERFD_H && HAVE_KERNEL_RWF_T |
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134 | # ifndef EV_USE_IOURING |
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135 | # define EV_USE_IOURING EV_FEATURE_BACKENDS |
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136 | # endif |
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137 | # else |
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138 | # undef EV_USE_IOURING |
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139 | # define EV_USE_IOURING 0 |
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|
140 | # endif |
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141 | |
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
142 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
121 | # ifndef EV_USE_KQUEUE |
143 | # ifndef EV_USE_KQUEUE |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
144 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
123 | # endif |
145 | # endif |
124 | # else |
146 | # else |
… | |
… | |
159 | # endif |
181 | # endif |
160 | # else |
182 | # else |
161 | # undef EV_USE_EVENTFD |
183 | # undef EV_USE_EVENTFD |
162 | # define EV_USE_EVENTFD 0 |
184 | # define EV_USE_EVENTFD 0 |
163 | # endif |
185 | # endif |
164 | |
186 | |
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187 | # if HAVE_SYS_TIMERFD_H |
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|
188 | # ifndef EV_USE_TIMERFD |
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189 | # define EV_USE_TIMERFD EV_FEATURE_OS |
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190 | # endif |
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191 | # else |
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192 | # undef EV_USE_TIMERFD |
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193 | # define EV_USE_TIMERFD 0 |
165 | #endif |
194 | # endif |
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195 | |
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196 | #endif |
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197 | |
|
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198 | /* OS X, in its infinite idiocy, actually HARDCODES |
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199 | * a limit of 1024 into their select. Where people have brains, |
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200 | * OS X engineers apparently have a vacuum. Or maybe they were |
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201 | * ordered to have a vacuum, or they do anything for money. |
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202 | * This might help. Or not. |
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203 | * Note that this must be defined early, as other include files |
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204 | * will rely on this define as well. |
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205 | */ |
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206 | #define _DARWIN_UNLIMITED_SELECT 1 |
166 | |
207 | |
167 | #include <stdlib.h> |
208 | #include <stdlib.h> |
168 | #include <string.h> |
209 | #include <string.h> |
169 | #include <fcntl.h> |
210 | #include <fcntl.h> |
170 | #include <stddef.h> |
211 | #include <stddef.h> |
… | |
… | |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
249 | # ifndef EV_SELECT_IS_WINSOCKET |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
250 | # define EV_SELECT_IS_WINSOCKET 1 |
210 | # endif |
251 | # endif |
211 | # undef EV_AVOID_STDIO |
252 | # undef EV_AVOID_STDIO |
212 | #endif |
253 | #endif |
213 | |
|
|
214 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
215 | * a limit of 1024 into their select. Where people have brains, |
|
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216 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
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217 | * ordered to have a vacuum, or they do anything for money. |
|
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218 | * This might help. Or not. |
|
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219 | */ |
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220 | #define _DARWIN_UNLIMITED_SELECT 1 |
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221 | |
254 | |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
255 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
223 | |
256 | |
224 | /* try to deduce the maximum number of signals on this platform */ |
257 | /* try to deduce the maximum number of signals on this platform */ |
225 | #if defined EV_NSIG |
258 | #if defined EV_NSIG |
… | |
… | |
313 | |
346 | |
314 | #ifndef EV_USE_PORT |
347 | #ifndef EV_USE_PORT |
315 | # define EV_USE_PORT 0 |
348 | # define EV_USE_PORT 0 |
316 | #endif |
349 | #endif |
317 | |
350 | |
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351 | #ifndef EV_USE_LINUXAIO |
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352 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
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353 | # define EV_USE_LINUXAIO 0 /* was: 1, always off by default */ |
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354 | # else |
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355 | # define EV_USE_LINUXAIO 0 |
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356 | # endif |
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357 | #endif |
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358 | |
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359 | #ifndef EV_USE_IOURING |
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360 | # if __linux /* later checks might disable again */ |
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361 | # define EV_USE_IOURING 1 |
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362 | # else |
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363 | # define EV_USE_IOURING 0 |
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|
364 | # endif |
|
|
365 | #endif |
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366 | |
318 | #ifndef EV_USE_INOTIFY |
367 | #ifndef EV_USE_INOTIFY |
319 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
368 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
320 | # define EV_USE_INOTIFY EV_FEATURE_OS |
369 | # define EV_USE_INOTIFY EV_FEATURE_OS |
321 | # else |
370 | # else |
322 | # define EV_USE_INOTIFY 0 |
371 | # define EV_USE_INOTIFY 0 |
… | |
… | |
342 | #ifndef EV_USE_SIGNALFD |
391 | #ifndef EV_USE_SIGNALFD |
343 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
392 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
344 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
393 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
345 | # else |
394 | # else |
346 | # define EV_USE_SIGNALFD 0 |
395 | # define EV_USE_SIGNALFD 0 |
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|
396 | # endif |
|
|
397 | #endif |
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398 | |
|
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399 | #ifndef EV_USE_TIMERFD |
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|
400 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)) |
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401 | # define EV_USE_TIMERFD EV_FEATURE_OS |
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402 | # else |
|
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403 | # define EV_USE_TIMERFD 0 |
347 | # endif |
404 | # endif |
348 | #endif |
405 | #endif |
349 | |
406 | |
350 | #if 0 /* debugging */ |
407 | #if 0 /* debugging */ |
351 | # define EV_VERIFY 3 |
408 | # define EV_VERIFY 3 |
… | |
… | |
387 | # include <sys/syscall.h> |
444 | # include <sys/syscall.h> |
388 | # ifdef SYS_clock_gettime |
445 | # ifdef SYS_clock_gettime |
389 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
446 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
390 | # undef EV_USE_MONOTONIC |
447 | # undef EV_USE_MONOTONIC |
391 | # define EV_USE_MONOTONIC 1 |
448 | # define EV_USE_MONOTONIC 1 |
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|
449 | # define EV_NEED_SYSCALL 1 |
392 | # else |
450 | # else |
393 | # undef EV_USE_CLOCK_SYSCALL |
451 | # undef EV_USE_CLOCK_SYSCALL |
394 | # define EV_USE_CLOCK_SYSCALL 0 |
452 | # define EV_USE_CLOCK_SYSCALL 0 |
395 | # endif |
453 | # endif |
396 | #endif |
454 | #endif |
… | |
… | |
410 | #if !EV_STAT_ENABLE |
468 | #if !EV_STAT_ENABLE |
411 | # undef EV_USE_INOTIFY |
469 | # undef EV_USE_INOTIFY |
412 | # define EV_USE_INOTIFY 0 |
470 | # define EV_USE_INOTIFY 0 |
413 | #endif |
471 | #endif |
414 | |
472 | |
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473 | #if __linux && EV_USE_IOURING |
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|
474 | # include <linux/version.h> |
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475 | # if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0) |
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476 | # undef EV_USE_IOURING |
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477 | # define EV_USE_IOURING 0 |
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478 | # endif |
|
|
479 | #endif |
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480 | |
415 | #if !EV_USE_NANOSLEEP |
481 | #if !EV_USE_NANOSLEEP |
416 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
482 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
417 | # if !defined _WIN32 && !defined __hpux |
483 | # if !defined _WIN32 && !defined __hpux |
418 | # include <sys/select.h> |
484 | # include <sys/select.h> |
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485 | # endif |
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486 | #endif |
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487 | |
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488 | #if EV_USE_LINUXAIO |
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489 | # include <sys/syscall.h> |
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490 | # if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */ |
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491 | # define EV_NEED_SYSCALL 1 |
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492 | # else |
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493 | # undef EV_USE_LINUXAIO |
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494 | # define EV_USE_LINUXAIO 0 |
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|
495 | # endif |
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|
496 | #endif |
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497 | |
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498 | #if EV_USE_IOURING |
|
|
499 | # include <sys/syscall.h> |
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500 | # if !SYS_io_uring_register && __linux && !__alpha |
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501 | # define SYS_io_uring_setup 425 |
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502 | # define SYS_io_uring_enter 426 |
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503 | # define SYS_io_uring_register 427 |
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504 | # endif |
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505 | # if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */ |
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506 | # define EV_NEED_SYSCALL 1 |
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507 | # else |
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508 | # undef EV_USE_IOURING |
|
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509 | # define EV_USE_IOURING 0 |
419 | # endif |
510 | # endif |
420 | #endif |
511 | #endif |
421 | |
512 | |
422 | #if EV_USE_INOTIFY |
513 | #if EV_USE_INOTIFY |
423 | # include <sys/statfs.h> |
514 | # include <sys/statfs.h> |
… | |
… | |
428 | # define EV_USE_INOTIFY 0 |
519 | # define EV_USE_INOTIFY 0 |
429 | # endif |
520 | # endif |
430 | #endif |
521 | #endif |
431 | |
522 | |
432 | #if EV_USE_EVENTFD |
523 | #if EV_USE_EVENTFD |
433 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
524 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
434 | # include <stdint.h> |
525 | # include <stdint.h> |
435 | # ifndef EFD_NONBLOCK |
526 | # ifndef EFD_NONBLOCK |
436 | # define EFD_NONBLOCK O_NONBLOCK |
527 | # define EFD_NONBLOCK O_NONBLOCK |
437 | # endif |
528 | # endif |
438 | # ifndef EFD_CLOEXEC |
529 | # ifndef EFD_CLOEXEC |
… | |
… | |
444 | # endif |
535 | # endif |
445 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
536 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
446 | #endif |
537 | #endif |
447 | |
538 | |
448 | #if EV_USE_SIGNALFD |
539 | #if EV_USE_SIGNALFD |
449 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
540 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
450 | # include <stdint.h> |
541 | # include <stdint.h> |
451 | # ifndef SFD_NONBLOCK |
542 | # ifndef SFD_NONBLOCK |
452 | # define SFD_NONBLOCK O_NONBLOCK |
543 | # define SFD_NONBLOCK O_NONBLOCK |
453 | # endif |
544 | # endif |
454 | # ifndef SFD_CLOEXEC |
545 | # ifndef SFD_CLOEXEC |
… | |
… | |
456 | # define SFD_CLOEXEC O_CLOEXEC |
547 | # define SFD_CLOEXEC O_CLOEXEC |
457 | # else |
548 | # else |
458 | # define SFD_CLOEXEC 02000000 |
549 | # define SFD_CLOEXEC 02000000 |
459 | # endif |
550 | # endif |
460 | # endif |
551 | # endif |
461 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
552 | EV_CPP (extern "C") int (signalfd) (int fd, const sigset_t *mask, int flags); |
462 | |
553 | |
463 | struct signalfd_siginfo |
554 | struct signalfd_siginfo |
464 | { |
555 | { |
465 | uint32_t ssi_signo; |
556 | uint32_t ssi_signo; |
466 | char pad[128 - sizeof (uint32_t)]; |
557 | char pad[128 - sizeof (uint32_t)]; |
467 | }; |
558 | }; |
468 | #endif |
559 | #endif |
469 | |
560 | |
470 | /**/ |
561 | /* for timerfd, libev core requires TFD_TIMER_CANCEL_ON_SET &c */ |
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562 | #if EV_USE_TIMERFD |
|
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563 | # include <sys/timerfd.h> |
|
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564 | /* timerfd is only used for periodics */ |
|
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565 | # if !(defined (TFD_TIMER_CANCEL_ON_SET) && defined (TFD_CLOEXEC) && defined (TFD_NONBLOCK)) || !EV_PERIODIC_ENABLE |
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566 | # undef EV_USE_TIMERFD |
|
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567 | # define EV_USE_TIMERFD 0 |
|
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568 | # endif |
|
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569 | #endif |
|
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570 | |
|
|
571 | /*****************************************************************************/ |
471 | |
572 | |
472 | #if EV_VERIFY >= 3 |
573 | #if EV_VERIFY >= 3 |
473 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
574 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
474 | #else |
575 | #else |
475 | # define EV_FREQUENT_CHECK do { } while (0) |
576 | # define EV_FREQUENT_CHECK do { } while (0) |
… | |
… | |
480 | * This value is good at least till the year 4000. |
581 | * This value is good at least till the year 4000. |
481 | */ |
582 | */ |
482 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
583 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
483 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
584 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
484 | |
585 | |
485 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
586 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
486 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
587 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
|
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588 | #define MAX_BLOCKTIME2 1500001.07 /* same, but when timerfd is used to detect jumps, also safe delay to not overflow */ |
487 | |
589 | |
|
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590 | /* find a portable timestamp that is "always" in the future but fits into time_t. |
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591 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
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592 | * and sizes larger than 32 bit, and maybe the unlikely floating point time_t */ |
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593 | #define EV_TSTAMP_HUGE \ |
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594 | (sizeof (time_t) >= 8 ? 10000000000000. \ |
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595 | : 0 < (time_t)4294967295 ? 4294967295. \ |
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596 | : 2147483647.) \ |
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597 | |
|
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598 | #ifndef EV_TS_CONST |
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599 | # define EV_TS_CONST(nv) nv |
|
|
600 | # define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999 |
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|
601 | # define EV_TS_FROM_USEC(us) us * 1e-6 |
488 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
602 | # define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
489 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
603 | # define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
604 | # define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6) |
|
|
605 | # define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9) |
|
|
606 | #endif |
490 | |
607 | |
491 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
608 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
492 | /* ECB.H BEGIN */ |
609 | /* ECB.H BEGIN */ |
493 | /* |
610 | /* |
494 | * libecb - http://software.schmorp.de/pkg/libecb |
611 | * libecb - http://software.schmorp.de/pkg/libecb |
495 | * |
612 | * |
496 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
613 | * Copyright (©) 2009-2015,2018-2020 Marc Alexander Lehmann <libecb@schmorp.de> |
497 | * Copyright (©) 2011 Emanuele Giaquinta |
614 | * Copyright (©) 2011 Emanuele Giaquinta |
498 | * All rights reserved. |
615 | * All rights reserved. |
499 | * |
616 | * |
500 | * Redistribution and use in source and binary forms, with or without modifica- |
617 | * Redistribution and use in source and binary forms, with or without modifica- |
501 | * tion, are permitted provided that the following conditions are met: |
618 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
532 | |
649 | |
533 | #ifndef ECB_H |
650 | #ifndef ECB_H |
534 | #define ECB_H |
651 | #define ECB_H |
535 | |
652 | |
536 | /* 16 bits major, 16 bits minor */ |
653 | /* 16 bits major, 16 bits minor */ |
537 | #define ECB_VERSION 0x00010005 |
654 | #define ECB_VERSION 0x00010008 |
538 | |
655 | |
539 | #ifdef _WIN32 |
656 | #include <string.h> /* for memcpy */ |
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|
657 | |
|
|
658 | #if defined (_WIN32) && !defined (__MINGW32__) |
540 | typedef signed char int8_t; |
659 | typedef signed char int8_t; |
541 | typedef unsigned char uint8_t; |
660 | typedef unsigned char uint8_t; |
|
|
661 | typedef signed char int_fast8_t; |
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|
662 | typedef unsigned char uint_fast8_t; |
542 | typedef signed short int16_t; |
663 | typedef signed short int16_t; |
543 | typedef unsigned short uint16_t; |
664 | typedef unsigned short uint16_t; |
|
|
665 | typedef signed int int_fast16_t; |
|
|
666 | typedef unsigned int uint_fast16_t; |
544 | typedef signed int int32_t; |
667 | typedef signed int int32_t; |
545 | typedef unsigned int uint32_t; |
668 | typedef unsigned int uint32_t; |
|
|
669 | typedef signed int int_fast32_t; |
|
|
670 | typedef unsigned int uint_fast32_t; |
546 | #if __GNUC__ |
671 | #if __GNUC__ |
547 | typedef signed long long int64_t; |
672 | typedef signed long long int64_t; |
548 | typedef unsigned long long uint64_t; |
673 | typedef unsigned long long uint64_t; |
549 | #else /* _MSC_VER || __BORLANDC__ */ |
674 | #else /* _MSC_VER || __BORLANDC__ */ |
550 | typedef signed __int64 int64_t; |
675 | typedef signed __int64 int64_t; |
551 | typedef unsigned __int64 uint64_t; |
676 | typedef unsigned __int64 uint64_t; |
552 | #endif |
677 | #endif |
|
|
678 | typedef int64_t int_fast64_t; |
|
|
679 | typedef uint64_t uint_fast64_t; |
553 | #ifdef _WIN64 |
680 | #ifdef _WIN64 |
554 | #define ECB_PTRSIZE 8 |
681 | #define ECB_PTRSIZE 8 |
555 | typedef uint64_t uintptr_t; |
682 | typedef uint64_t uintptr_t; |
556 | typedef int64_t intptr_t; |
683 | typedef int64_t intptr_t; |
557 | #else |
684 | #else |
… | |
… | |
569 | #endif |
696 | #endif |
570 | |
697 | |
571 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
698 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
572 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
699 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
573 | |
700 | |
|
|
701 | #ifndef ECB_OPTIMIZE_SIZE |
|
|
702 | #if __OPTIMIZE_SIZE__ |
|
|
703 | #define ECB_OPTIMIZE_SIZE 1 |
|
|
704 | #else |
|
|
705 | #define ECB_OPTIMIZE_SIZE 0 |
|
|
706 | #endif |
|
|
707 | #endif |
|
|
708 | |
574 | /* work around x32 idiocy by defining proper macros */ |
709 | /* work around x32 idiocy by defining proper macros */ |
575 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
710 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
576 | #if _ILP32 |
711 | #if _ILP32 |
577 | #define ECB_AMD64_X32 1 |
712 | #define ECB_AMD64_X32 1 |
578 | #else |
713 | #else |
… | |
… | |
607 | #define ECB_CLANG_EXTENSION(x) 0 |
742 | #define ECB_CLANG_EXTENSION(x) 0 |
608 | #endif |
743 | #endif |
609 | |
744 | |
610 | #define ECB_CPP (__cplusplus+0) |
745 | #define ECB_CPP (__cplusplus+0) |
611 | #define ECB_CPP11 (__cplusplus >= 201103L) |
746 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
747 | #define ECB_CPP14 (__cplusplus >= 201402L) |
|
|
748 | #define ECB_CPP17 (__cplusplus >= 201703L) |
612 | |
749 | |
613 | #if ECB_CPP |
750 | #if ECB_CPP |
614 | #define ECB_C 0 |
751 | #define ECB_C 0 |
615 | #define ECB_STDC_VERSION 0 |
752 | #define ECB_STDC_VERSION 0 |
616 | #else |
753 | #else |
… | |
… | |
618 | #define ECB_STDC_VERSION __STDC_VERSION__ |
755 | #define ECB_STDC_VERSION __STDC_VERSION__ |
619 | #endif |
756 | #endif |
620 | |
757 | |
621 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
758 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
622 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
759 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
|
|
760 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
623 | |
761 | |
624 | #if ECB_CPP |
762 | #if ECB_CPP |
625 | #define ECB_EXTERN_C extern "C" |
763 | #define ECB_EXTERN_C extern "C" |
626 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
764 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
627 | #define ECB_EXTERN_C_END } |
765 | #define ECB_EXTERN_C_END } |
… | |
… | |
653 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
791 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
654 | #endif |
792 | #endif |
655 | |
793 | |
656 | #ifndef ECB_MEMORY_FENCE |
794 | #ifndef ECB_MEMORY_FENCE |
657 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
795 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
796 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
658 | #if __i386 || __i386__ |
797 | #if __i386 || __i386__ |
659 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
798 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
660 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
799 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
661 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
800 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
662 | #elif ECB_GCC_AMD64 |
801 | #elif ECB_GCC_AMD64 |
663 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
802 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
664 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
803 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
665 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
804 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
666 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
805 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
667 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
806 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
668 | #elif defined __ARM_ARCH_2__ \ |
807 | #elif defined __ARM_ARCH_2__ \ |
669 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
808 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
670 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
809 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
… | |
… | |
712 | #if ECB_GCC_VERSION(4,7) |
851 | #if ECB_GCC_VERSION(4,7) |
713 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
852 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
714 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
853 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
715 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
854 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
716 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
855 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
856 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
717 | |
857 | |
718 | #elif ECB_CLANG_EXTENSION(c_atomic) |
858 | #elif ECB_CLANG_EXTENSION(c_atomic) |
719 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
859 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
720 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
860 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
721 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
861 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
722 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
862 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
863 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
723 | |
864 | |
724 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
865 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
725 | #define ECB_MEMORY_FENCE __sync_synchronize () |
866 | #define ECB_MEMORY_FENCE __sync_synchronize () |
726 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
867 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
727 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
868 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
737 | #elif defined _WIN32 |
878 | #elif defined _WIN32 |
738 | #include <WinNT.h> |
879 | #include <WinNT.h> |
739 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
880 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
740 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
881 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
741 | #include <mbarrier.h> |
882 | #include <mbarrier.h> |
742 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
883 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
743 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
884 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
744 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
885 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
|
|
886 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
745 | #elif __xlC__ |
887 | #elif __xlC__ |
746 | #define ECB_MEMORY_FENCE __sync () |
888 | #define ECB_MEMORY_FENCE __sync () |
747 | #endif |
889 | #endif |
748 | #endif |
890 | #endif |
749 | |
891 | |
750 | #ifndef ECB_MEMORY_FENCE |
892 | #ifndef ECB_MEMORY_FENCE |
751 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
893 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
752 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
894 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
753 | /* not just C11 atomics and atomic accesses */ |
895 | /* not just C11 atomics and atomic accesses */ |
754 | #include <stdatomic.h> |
896 | #include <stdatomic.h> |
755 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
756 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
757 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
758 | /* for most usages, or gcc and clang have a bug */ |
|
|
759 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
760 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
761 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
762 | /* for all __atomic_thread_fence's except seq_cst */ |
|
|
763 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
897 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
898 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
|
|
899 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
764 | #endif |
900 | #endif |
765 | #endif |
901 | #endif |
766 | |
902 | |
767 | #ifndef ECB_MEMORY_FENCE |
903 | #ifndef ECB_MEMORY_FENCE |
768 | #if !ECB_AVOID_PTHREADS |
904 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
786 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
922 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
787 | #endif |
923 | #endif |
788 | |
924 | |
789 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
925 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
790 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
926 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
927 | #endif |
|
|
928 | |
|
|
929 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
930 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
791 | #endif |
931 | #endif |
792 | |
932 | |
793 | /*****************************************************************************/ |
933 | /*****************************************************************************/ |
794 | |
934 | |
795 | #if ECB_CPP |
935 | #if ECB_CPP |
… | |
… | |
1079 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1219 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1080 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1220 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1081 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1221 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1082 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1222 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1083 | |
1223 | |
|
|
1224 | #if ECB_CPP |
|
|
1225 | |
|
|
1226 | inline uint8_t ecb_ctz (uint8_t v) { return ecb_ctz32 (v); } |
|
|
1227 | inline uint16_t ecb_ctz (uint16_t v) { return ecb_ctz32 (v); } |
|
|
1228 | inline uint32_t ecb_ctz (uint32_t v) { return ecb_ctz32 (v); } |
|
|
1229 | inline uint64_t ecb_ctz (uint64_t v) { return ecb_ctz64 (v); } |
|
|
1230 | |
|
|
1231 | inline bool ecb_is_pot (uint8_t v) { return ecb_is_pot32 (v); } |
|
|
1232 | inline bool ecb_is_pot (uint16_t v) { return ecb_is_pot32 (v); } |
|
|
1233 | inline bool ecb_is_pot (uint32_t v) { return ecb_is_pot32 (v); } |
|
|
1234 | inline bool ecb_is_pot (uint64_t v) { return ecb_is_pot64 (v); } |
|
|
1235 | |
|
|
1236 | inline int ecb_ld (uint8_t v) { return ecb_ld32 (v); } |
|
|
1237 | inline int ecb_ld (uint16_t v) { return ecb_ld32 (v); } |
|
|
1238 | inline int ecb_ld (uint32_t v) { return ecb_ld32 (v); } |
|
|
1239 | inline int ecb_ld (uint64_t v) { return ecb_ld64 (v); } |
|
|
1240 | |
|
|
1241 | inline int ecb_popcount (uint8_t v) { return ecb_popcount32 (v); } |
|
|
1242 | inline int ecb_popcount (uint16_t v) { return ecb_popcount32 (v); } |
|
|
1243 | inline int ecb_popcount (uint32_t v) { return ecb_popcount32 (v); } |
|
|
1244 | inline int ecb_popcount (uint64_t v) { return ecb_popcount64 (v); } |
|
|
1245 | |
|
|
1246 | inline uint8_t ecb_bitrev (uint8_t v) { return ecb_bitrev8 (v); } |
|
|
1247 | inline uint16_t ecb_bitrev (uint16_t v) { return ecb_bitrev16 (v); } |
|
|
1248 | inline uint32_t ecb_bitrev (uint32_t v) { return ecb_bitrev32 (v); } |
|
|
1249 | |
|
|
1250 | inline uint8_t ecb_rotl (uint8_t v, unsigned int count) { return ecb_rotl8 (v, count); } |
|
|
1251 | inline uint16_t ecb_rotl (uint16_t v, unsigned int count) { return ecb_rotl16 (v, count); } |
|
|
1252 | inline uint32_t ecb_rotl (uint32_t v, unsigned int count) { return ecb_rotl32 (v, count); } |
|
|
1253 | inline uint64_t ecb_rotl (uint64_t v, unsigned int count) { return ecb_rotl64 (v, count); } |
|
|
1254 | |
|
|
1255 | inline uint8_t ecb_rotr (uint8_t v, unsigned int count) { return ecb_rotr8 (v, count); } |
|
|
1256 | inline uint16_t ecb_rotr (uint16_t v, unsigned int count) { return ecb_rotr16 (v, count); } |
|
|
1257 | inline uint32_t ecb_rotr (uint32_t v, unsigned int count) { return ecb_rotr32 (v, count); } |
|
|
1258 | inline uint64_t ecb_rotr (uint64_t v, unsigned int count) { return ecb_rotr64 (v, count); } |
|
|
1259 | |
|
|
1260 | #endif |
|
|
1261 | |
1084 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
1262 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
1085 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
1263 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
1086 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
1264 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
1087 | #else |
1265 | #else |
1088 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1266 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
… | |
… | |
1159 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1337 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1160 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1338 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1161 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1339 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1162 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1340 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1163 | |
1341 | |
|
|
1342 | /*****************************************************************************/ |
|
|
1343 | /* unaligned load/store */ |
|
|
1344 | |
|
|
1345 | ecb_inline uint_fast16_t ecb_be_u16_to_host (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1346 | ecb_inline uint_fast32_t ecb_be_u32_to_host (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1347 | ecb_inline uint_fast64_t ecb_be_u64_to_host (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1348 | |
|
|
1349 | ecb_inline uint_fast16_t ecb_le_u16_to_host (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1350 | ecb_inline uint_fast32_t ecb_le_u32_to_host (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1351 | ecb_inline uint_fast64_t ecb_le_u64_to_host (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1352 | |
|
|
1353 | ecb_inline uint_fast16_t ecb_peek_u16_u (const void *ptr) { uint16_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1354 | ecb_inline uint_fast32_t ecb_peek_u32_u (const void *ptr) { uint32_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1355 | ecb_inline uint_fast64_t ecb_peek_u64_u (const void *ptr) { uint64_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1356 | |
|
|
1357 | ecb_inline uint_fast16_t ecb_peek_be_u16_u (const void *ptr) { return ecb_be_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1358 | ecb_inline uint_fast32_t ecb_peek_be_u32_u (const void *ptr) { return ecb_be_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1359 | ecb_inline uint_fast64_t ecb_peek_be_u64_u (const void *ptr) { return ecb_be_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1360 | |
|
|
1361 | ecb_inline uint_fast16_t ecb_peek_le_u16_u (const void *ptr) { return ecb_le_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1362 | ecb_inline uint_fast32_t ecb_peek_le_u32_u (const void *ptr) { return ecb_le_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1363 | ecb_inline uint_fast64_t ecb_peek_le_u64_u (const void *ptr) { return ecb_le_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1364 | |
|
|
1365 | ecb_inline uint_fast16_t ecb_host_to_be_u16 (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1366 | ecb_inline uint_fast32_t ecb_host_to_be_u32 (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1367 | ecb_inline uint_fast64_t ecb_host_to_be_u64 (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1368 | |
|
|
1369 | ecb_inline uint_fast16_t ecb_host_to_le_u16 (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1370 | ecb_inline uint_fast32_t ecb_host_to_le_u32 (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1371 | ecb_inline uint_fast64_t ecb_host_to_le_u64 (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1372 | |
|
|
1373 | ecb_inline void ecb_poke_u16_u (void *ptr, uint16_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1374 | ecb_inline void ecb_poke_u32_u (void *ptr, uint32_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1375 | ecb_inline void ecb_poke_u64_u (void *ptr, uint64_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1376 | |
|
|
1377 | ecb_inline void ecb_poke_be_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_be_u16 (v)); } |
|
|
1378 | ecb_inline void ecb_poke_be_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_be_u32 (v)); } |
|
|
1379 | ecb_inline void ecb_poke_be_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_be_u64 (v)); } |
|
|
1380 | |
|
|
1381 | ecb_inline void ecb_poke_le_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_le_u16 (v)); } |
|
|
1382 | ecb_inline void ecb_poke_le_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_le_u32 (v)); } |
|
|
1383 | ecb_inline void ecb_poke_le_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_le_u64 (v)); } |
|
|
1384 | |
|
|
1385 | #if ECB_CPP |
|
|
1386 | |
|
|
1387 | inline uint8_t ecb_bswap (uint8_t v) { return v; } |
|
|
1388 | inline uint16_t ecb_bswap (uint16_t v) { return ecb_bswap16 (v); } |
|
|
1389 | inline uint32_t ecb_bswap (uint32_t v) { return ecb_bswap32 (v); } |
|
|
1390 | inline uint64_t ecb_bswap (uint64_t v) { return ecb_bswap64 (v); } |
|
|
1391 | |
|
|
1392 | template<typename T> inline T ecb_be_to_host (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1393 | template<typename T> inline T ecb_le_to_host (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1394 | template<typename T> inline T ecb_peek (const void *ptr) { return *(const T *)ptr; } |
|
|
1395 | template<typename T> inline T ecb_peek_be (const void *ptr) { return ecb_be_to_host (ecb_peek <T> (ptr)); } |
|
|
1396 | template<typename T> inline T ecb_peek_le (const void *ptr) { return ecb_le_to_host (ecb_peek <T> (ptr)); } |
|
|
1397 | template<typename T> inline T ecb_peek_u (const void *ptr) { T v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1398 | template<typename T> inline T ecb_peek_be_u (const void *ptr) { return ecb_be_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1399 | template<typename T> inline T ecb_peek_le_u (const void *ptr) { return ecb_le_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1400 | |
|
|
1401 | template<typename T> inline T ecb_host_to_be (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1402 | template<typename T> inline T ecb_host_to_le (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1403 | template<typename T> inline void ecb_poke (void *ptr, T v) { *(T *)ptr = v; } |
|
|
1404 | template<typename T> inline void ecb_poke_be (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_be (v)); } |
|
|
1405 | template<typename T> inline void ecb_poke_le (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_le (v)); } |
|
|
1406 | template<typename T> inline void ecb_poke_u (void *ptr, T v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1407 | template<typename T> inline void ecb_poke_be_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_be (v)); } |
|
|
1408 | template<typename T> inline void ecb_poke_le_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_le (v)); } |
|
|
1409 | |
|
|
1410 | #endif |
|
|
1411 | |
|
|
1412 | /*****************************************************************************/ |
|
|
1413 | |
1164 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1414 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1165 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1415 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1166 | #else |
1416 | #else |
1167 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1417 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1168 | #endif |
1418 | #endif |
… | |
… | |
1191 | return N; |
1441 | return N; |
1192 | } |
1442 | } |
1193 | #else |
1443 | #else |
1194 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1444 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1195 | #endif |
1445 | #endif |
|
|
1446 | |
|
|
1447 | /*****************************************************************************/ |
1196 | |
1448 | |
1197 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
1449 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
1198 | ecb_function_ ecb_const uint32_t |
1450 | ecb_function_ ecb_const uint32_t |
1199 | ecb_binary16_to_binary32 (uint32_t x) |
1451 | ecb_binary16_to_binary32 (uint32_t x) |
1200 | { |
1452 | { |
… | |
… | |
1309 | || defined __sh__ \ |
1561 | || defined __sh__ \ |
1310 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1562 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1311 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1563 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1312 | || defined __aarch64__ |
1564 | || defined __aarch64__ |
1313 | #define ECB_STDFP 1 |
1565 | #define ECB_STDFP 1 |
1314 | #include <string.h> /* for memcpy */ |
|
|
1315 | #else |
1566 | #else |
1316 | #define ECB_STDFP 0 |
1567 | #define ECB_STDFP 0 |
1317 | #endif |
1568 | #endif |
1318 | |
1569 | |
1319 | #ifndef ECB_NO_LIBM |
1570 | #ifndef ECB_NO_LIBM |
… | |
… | |
1504 | /* ECB.H END */ |
1755 | /* ECB.H END */ |
1505 | |
1756 | |
1506 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1757 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1507 | /* if your architecture doesn't need memory fences, e.g. because it is |
1758 | /* if your architecture doesn't need memory fences, e.g. because it is |
1508 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1759 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1509 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
1760 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
1510 | * libev, in which cases the memory fences become nops. |
1761 | * libev, in which cases the memory fences become nops. |
1511 | * alternatively, you can remove this #error and link against libpthread, |
1762 | * alternatively, you can remove this #error and link against libpthread, |
1512 | * which will then provide the memory fences. |
1763 | * which will then provide the memory fences. |
1513 | */ |
1764 | */ |
1514 | # error "memory fences not defined for your architecture, please report" |
1765 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1518 | # define ECB_MEMORY_FENCE do { } while (0) |
1769 | # define ECB_MEMORY_FENCE do { } while (0) |
1519 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1770 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1520 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1771 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1521 | #endif |
1772 | #endif |
1522 | |
1773 | |
1523 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1524 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1525 | #define noinline ecb_noinline |
|
|
1526 | |
|
|
1527 | #define inline_size ecb_inline |
1774 | #define inline_size ecb_inline |
1528 | |
1775 | |
1529 | #if EV_FEATURE_CODE |
1776 | #if EV_FEATURE_CODE |
1530 | # define inline_speed ecb_inline |
1777 | # define inline_speed ecb_inline |
1531 | #else |
1778 | #else |
1532 | # define inline_speed noinline static |
1779 | # define inline_speed ecb_noinline static |
1533 | #endif |
1780 | #endif |
|
|
1781 | |
|
|
1782 | /*****************************************************************************/ |
|
|
1783 | /* raw syscall wrappers */ |
|
|
1784 | |
|
|
1785 | #if EV_NEED_SYSCALL |
|
|
1786 | |
|
|
1787 | #include <sys/syscall.h> |
|
|
1788 | |
|
|
1789 | /* |
|
|
1790 | * define some syscall wrappers for common architectures |
|
|
1791 | * this is mostly for nice looks during debugging, not performance. |
|
|
1792 | * our syscalls return < 0, not == -1, on error. which is good |
|
|
1793 | * enough for linux aio. |
|
|
1794 | * TODO: arm is also common nowadays, maybe even mips and x86 |
|
|
1795 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
|
|
1796 | */ |
|
|
1797 | #if __GNUC__ && __linux && ECB_AMD64 && !EV_FEATURE_CODE |
|
|
1798 | /* the costly errno access probably kills this for size optimisation */ |
|
|
1799 | |
|
|
1800 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
|
|
1801 | ({ \ |
|
|
1802 | long res; \ |
|
|
1803 | register unsigned long r6 __asm__ ("r9" ); \ |
|
|
1804 | register unsigned long r5 __asm__ ("r8" ); \ |
|
|
1805 | register unsigned long r4 __asm__ ("r10"); \ |
|
|
1806 | register unsigned long r3 __asm__ ("rdx"); \ |
|
|
1807 | register unsigned long r2 __asm__ ("rsi"); \ |
|
|
1808 | register unsigned long r1 __asm__ ("rdi"); \ |
|
|
1809 | if (narg >= 6) r6 = (unsigned long)(arg6); \ |
|
|
1810 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
|
|
1811 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
|
|
1812 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
|
|
1813 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
|
|
1814 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
|
|
1815 | __asm__ __volatile__ ( \ |
|
|
1816 | "syscall\n\t" \ |
|
|
1817 | : "=a" (res) \ |
|
|
1818 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
|
|
1819 | : "cc", "r11", "cx", "memory"); \ |
|
|
1820 | errno = -res; \ |
|
|
1821 | res; \ |
|
|
1822 | }) |
|
|
1823 | |
|
|
1824 | #endif |
|
|
1825 | |
|
|
1826 | #ifdef ev_syscall |
|
|
1827 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0) |
|
|
1828 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0) |
|
|
1829 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0) |
|
|
1830 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0) |
|
|
1831 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0) |
|
|
1832 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0) |
|
|
1833 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1834 | #else |
|
|
1835 | #define ev_syscall0(nr) syscall (nr) |
|
|
1836 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
|
|
1837 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
|
|
1838 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
|
|
1839 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
|
|
1840 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
|
|
1841 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1842 | #endif |
|
|
1843 | |
|
|
1844 | #endif |
|
|
1845 | |
|
|
1846 | /*****************************************************************************/ |
1534 | |
1847 | |
1535 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1848 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1536 | |
1849 | |
1537 | #if EV_MINPRI == EV_MAXPRI |
1850 | #if EV_MINPRI == EV_MAXPRI |
1538 | # define ABSPRI(w) (((W)w), 0) |
1851 | # define ABSPRI(w) (((W)w), 0) |
1539 | #else |
1852 | #else |
1540 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1853 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1541 | #endif |
1854 | #endif |
1542 | |
1855 | |
1543 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1856 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1544 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1545 | |
1857 | |
1546 | typedef ev_watcher *W; |
1858 | typedef ev_watcher *W; |
1547 | typedef ev_watcher_list *WL; |
1859 | typedef ev_watcher_list *WL; |
1548 | typedef ev_watcher_time *WT; |
1860 | typedef ev_watcher_time *WT; |
1549 | |
1861 | |
… | |
… | |
1574 | # include "ev_win32.c" |
1886 | # include "ev_win32.c" |
1575 | #endif |
1887 | #endif |
1576 | |
1888 | |
1577 | /*****************************************************************************/ |
1889 | /*****************************************************************************/ |
1578 | |
1890 | |
|
|
1891 | #if EV_USE_LINUXAIO |
|
|
1892 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1893 | #endif |
|
|
1894 | |
1579 | /* define a suitable floor function (only used by periodics atm) */ |
1895 | /* define a suitable floor function (only used by periodics atm) */ |
1580 | |
1896 | |
1581 | #if EV_USE_FLOOR |
1897 | #if EV_USE_FLOOR |
1582 | # include <math.h> |
1898 | # include <math.h> |
1583 | # define ev_floor(v) floor (v) |
1899 | # define ev_floor(v) floor (v) |
1584 | #else |
1900 | #else |
1585 | |
1901 | |
1586 | #include <float.h> |
1902 | #include <float.h> |
1587 | |
1903 | |
1588 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1904 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1589 | noinline |
1905 | ecb_noinline |
1590 | static ev_tstamp |
1906 | static ev_tstamp |
1591 | ev_floor (ev_tstamp v) |
1907 | ev_floor (ev_tstamp v) |
1592 | { |
1908 | { |
1593 | /* the choice of shift factor is not terribly important */ |
1909 | /* the choice of shift factor is not terribly important */ |
1594 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1910 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1595 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1911 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1596 | #else |
1912 | #else |
1597 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1913 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1598 | #endif |
1914 | #endif |
1599 | |
1915 | |
|
|
1916 | /* special treatment for negative arguments */ |
|
|
1917 | if (ecb_expect_false (v < 0.)) |
|
|
1918 | { |
|
|
1919 | ev_tstamp f = -ev_floor (-v); |
|
|
1920 | |
|
|
1921 | return f - (f == v ? 0 : 1); |
|
|
1922 | } |
|
|
1923 | |
1600 | /* argument too large for an unsigned long? */ |
1924 | /* argument too large for an unsigned long? then reduce it */ |
1601 | if (expect_false (v >= shift)) |
1925 | if (ecb_expect_false (v >= shift)) |
1602 | { |
1926 | { |
1603 | ev_tstamp f; |
1927 | ev_tstamp f; |
1604 | |
1928 | |
1605 | if (v == v - 1.) |
1929 | if (v == v - 1.) |
1606 | return v; /* very large number */ |
1930 | return v; /* very large numbers are assumed to be integer */ |
1607 | |
1931 | |
1608 | f = shift * ev_floor (v * (1. / shift)); |
1932 | f = shift * ev_floor (v * (1. / shift)); |
1609 | return f + ev_floor (v - f); |
1933 | return f + ev_floor (v - f); |
1610 | } |
1934 | } |
1611 | |
1935 | |
1612 | /* special treatment for negative args? */ |
|
|
1613 | if (expect_false (v < 0.)) |
|
|
1614 | { |
|
|
1615 | ev_tstamp f = -ev_floor (-v); |
|
|
1616 | |
|
|
1617 | return f - (f == v ? 0 : 1); |
|
|
1618 | } |
|
|
1619 | |
|
|
1620 | /* fits into an unsigned long */ |
1936 | /* fits into an unsigned long */ |
1621 | return (unsigned long)v; |
1937 | return (unsigned long)v; |
1622 | } |
1938 | } |
1623 | |
1939 | |
1624 | #endif |
1940 | #endif |
… | |
… | |
1627 | |
1943 | |
1628 | #ifdef __linux |
1944 | #ifdef __linux |
1629 | # include <sys/utsname.h> |
1945 | # include <sys/utsname.h> |
1630 | #endif |
1946 | #endif |
1631 | |
1947 | |
1632 | noinline ecb_cold |
1948 | ecb_noinline ecb_cold |
1633 | static unsigned int |
1949 | static unsigned int |
1634 | ev_linux_version (void) |
1950 | ev_linux_version (void) |
1635 | { |
1951 | { |
1636 | #ifdef __linux |
1952 | #ifdef __linux |
1637 | unsigned int v = 0; |
1953 | unsigned int v = 0; |
… | |
… | |
1667 | } |
1983 | } |
1668 | |
1984 | |
1669 | /*****************************************************************************/ |
1985 | /*****************************************************************************/ |
1670 | |
1986 | |
1671 | #if EV_AVOID_STDIO |
1987 | #if EV_AVOID_STDIO |
1672 | noinline ecb_cold |
1988 | ecb_noinline ecb_cold |
1673 | static void |
1989 | static void |
1674 | ev_printerr (const char *msg) |
1990 | ev_printerr (const char *msg) |
1675 | { |
1991 | { |
1676 | write (STDERR_FILENO, msg, strlen (msg)); |
1992 | write (STDERR_FILENO, msg, strlen (msg)); |
1677 | } |
1993 | } |
1678 | #endif |
1994 | #endif |
1679 | |
1995 | |
1680 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1996 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1681 | |
1997 | |
1682 | ecb_cold |
1998 | ecb_cold |
1683 | void |
1999 | void |
1684 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
2000 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1685 | { |
2001 | { |
1686 | syserr_cb = cb; |
2002 | syserr_cb = cb; |
1687 | } |
2003 | } |
1688 | |
2004 | |
1689 | noinline ecb_cold |
2005 | ecb_noinline ecb_cold |
1690 | static void |
2006 | static void |
1691 | ev_syserr (const char *msg) |
2007 | ev_syserr (const char *msg) |
1692 | { |
2008 | { |
1693 | if (!msg) |
2009 | if (!msg) |
1694 | msg = "(libev) system error"; |
2010 | msg = "(libev) system error"; |
… | |
… | |
1708 | abort (); |
2024 | abort (); |
1709 | } |
2025 | } |
1710 | } |
2026 | } |
1711 | |
2027 | |
1712 | static void * |
2028 | static void * |
1713 | ev_realloc_emul (void *ptr, long size) EV_THROW |
2029 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1714 | { |
2030 | { |
1715 | /* some systems, notably openbsd and darwin, fail to properly |
2031 | /* some systems, notably openbsd and darwin, fail to properly |
1716 | * implement realloc (x, 0) (as required by both ansi c-89 and |
2032 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1717 | * the single unix specification, so work around them here. |
2033 | * the single unix specification, so work around them here. |
1718 | * recently, also (at least) fedora and debian started breaking it, |
2034 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1724 | |
2040 | |
1725 | free (ptr); |
2041 | free (ptr); |
1726 | return 0; |
2042 | return 0; |
1727 | } |
2043 | } |
1728 | |
2044 | |
1729 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
2045 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1730 | |
2046 | |
1731 | ecb_cold |
2047 | ecb_cold |
1732 | void |
2048 | void |
1733 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
2049 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1734 | { |
2050 | { |
1735 | alloc = cb; |
2051 | alloc = cb; |
1736 | } |
2052 | } |
1737 | |
2053 | |
1738 | inline_speed void * |
2054 | inline_speed void * |
… | |
… | |
1765 | typedef struct |
2081 | typedef struct |
1766 | { |
2082 | { |
1767 | WL head; |
2083 | WL head; |
1768 | unsigned char events; /* the events watched for */ |
2084 | unsigned char events; /* the events watched for */ |
1769 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
2085 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1770 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
2086 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1771 | unsigned char unused; |
2087 | unsigned char eflags; /* flags field for use by backends */ |
1772 | #if EV_USE_EPOLL |
2088 | #if EV_USE_EPOLL |
1773 | unsigned int egen; /* generation counter to counter epoll bugs */ |
2089 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1774 | #endif |
2090 | #endif |
1775 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2091 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1776 | SOCKET handle; |
2092 | SOCKET handle; |
… | |
… | |
1830 | static struct ev_loop default_loop_struct; |
2146 | static struct ev_loop default_loop_struct; |
1831 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
2147 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1832 | |
2148 | |
1833 | #else |
2149 | #else |
1834 | |
2150 | |
1835 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
2151 | EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */ |
1836 | #define VAR(name,decl) static decl; |
2152 | #define VAR(name,decl) static decl; |
1837 | #include "ev_vars.h" |
2153 | #include "ev_vars.h" |
1838 | #undef VAR |
2154 | #undef VAR |
1839 | |
2155 | |
1840 | static int ev_default_loop_ptr; |
2156 | static int ev_default_loop_ptr; |
1841 | |
2157 | |
1842 | #endif |
2158 | #endif |
1843 | |
2159 | |
1844 | #if EV_FEATURE_API |
2160 | #if EV_FEATURE_API |
1845 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
2161 | # define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A) |
1846 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
2162 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1847 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
2163 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1848 | #else |
2164 | #else |
1849 | # define EV_RELEASE_CB (void)0 |
2165 | # define EV_RELEASE_CB (void)0 |
1850 | # define EV_ACQUIRE_CB (void)0 |
2166 | # define EV_ACQUIRE_CB (void)0 |
1851 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
2167 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1855 | |
2171 | |
1856 | /*****************************************************************************/ |
2172 | /*****************************************************************************/ |
1857 | |
2173 | |
1858 | #ifndef EV_HAVE_EV_TIME |
2174 | #ifndef EV_HAVE_EV_TIME |
1859 | ev_tstamp |
2175 | ev_tstamp |
1860 | ev_time (void) EV_THROW |
2176 | ev_time (void) EV_NOEXCEPT |
1861 | { |
2177 | { |
1862 | #if EV_USE_REALTIME |
2178 | #if EV_USE_REALTIME |
1863 | if (expect_true (have_realtime)) |
2179 | if (ecb_expect_true (have_realtime)) |
1864 | { |
2180 | { |
1865 | struct timespec ts; |
2181 | struct timespec ts; |
1866 | clock_gettime (CLOCK_REALTIME, &ts); |
2182 | clock_gettime (CLOCK_REALTIME, &ts); |
1867 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2183 | return EV_TS_GET (ts); |
1868 | } |
2184 | } |
1869 | #endif |
2185 | #endif |
1870 | |
2186 | |
|
|
2187 | { |
1871 | struct timeval tv; |
2188 | struct timeval tv; |
1872 | gettimeofday (&tv, 0); |
2189 | gettimeofday (&tv, 0); |
1873 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2190 | return EV_TV_GET (tv); |
|
|
2191 | } |
1874 | } |
2192 | } |
1875 | #endif |
2193 | #endif |
1876 | |
2194 | |
1877 | inline_size ev_tstamp |
2195 | inline_size ev_tstamp |
1878 | get_clock (void) |
2196 | get_clock (void) |
1879 | { |
2197 | { |
1880 | #if EV_USE_MONOTONIC |
2198 | #if EV_USE_MONOTONIC |
1881 | if (expect_true (have_monotonic)) |
2199 | if (ecb_expect_true (have_monotonic)) |
1882 | { |
2200 | { |
1883 | struct timespec ts; |
2201 | struct timespec ts; |
1884 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2202 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1885 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2203 | return EV_TS_GET (ts); |
1886 | } |
2204 | } |
1887 | #endif |
2205 | #endif |
1888 | |
2206 | |
1889 | return ev_time (); |
2207 | return ev_time (); |
1890 | } |
2208 | } |
1891 | |
2209 | |
1892 | #if EV_MULTIPLICITY |
2210 | #if EV_MULTIPLICITY |
1893 | ev_tstamp |
2211 | ev_tstamp |
1894 | ev_now (EV_P) EV_THROW |
2212 | ev_now (EV_P) EV_NOEXCEPT |
1895 | { |
2213 | { |
1896 | return ev_rt_now; |
2214 | return ev_rt_now; |
1897 | } |
2215 | } |
1898 | #endif |
2216 | #endif |
1899 | |
2217 | |
1900 | void |
2218 | void |
1901 | ev_sleep (ev_tstamp delay) EV_THROW |
2219 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1902 | { |
2220 | { |
1903 | if (delay > 0.) |
2221 | if (delay > EV_TS_CONST (0.)) |
1904 | { |
2222 | { |
1905 | #if EV_USE_NANOSLEEP |
2223 | #if EV_USE_NANOSLEEP |
1906 | struct timespec ts; |
2224 | struct timespec ts; |
1907 | |
2225 | |
1908 | EV_TS_SET (ts, delay); |
2226 | EV_TS_SET (ts, delay); |
1909 | nanosleep (&ts, 0); |
2227 | nanosleep (&ts, 0); |
1910 | #elif defined _WIN32 |
2228 | #elif defined _WIN32 |
|
|
2229 | /* maybe this should round up, as ms is very low resolution */ |
|
|
2230 | /* compared to select (µs) or nanosleep (ns) */ |
1911 | Sleep ((unsigned long)(delay * 1e3)); |
2231 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
1912 | #else |
2232 | #else |
1913 | struct timeval tv; |
2233 | struct timeval tv; |
1914 | |
2234 | |
1915 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2235 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1916 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2236 | /* something not guaranteed by newer posix versions, but guaranteed */ |
… | |
… | |
1946 | } |
2266 | } |
1947 | |
2267 | |
1948 | return ncur; |
2268 | return ncur; |
1949 | } |
2269 | } |
1950 | |
2270 | |
1951 | noinline ecb_cold |
2271 | ecb_noinline ecb_cold |
1952 | static void * |
2272 | static void * |
1953 | array_realloc (int elem, void *base, int *cur, int cnt) |
2273 | array_realloc (int elem, void *base, int *cur, int cnt) |
1954 | { |
2274 | { |
1955 | *cur = array_nextsize (elem, *cur, cnt); |
2275 | *cur = array_nextsize (elem, *cur, cnt); |
1956 | return ev_realloc (base, elem * *cur); |
2276 | return ev_realloc (base, elem * *cur); |
1957 | } |
2277 | } |
1958 | |
2278 | |
|
|
2279 | #define array_needsize_noinit(base,offset,count) |
|
|
2280 | |
1959 | #define array_init_zero(base,count) \ |
2281 | #define array_needsize_zerofill(base,offset,count) \ |
1960 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2282 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1961 | |
2283 | |
1962 | #define array_needsize(type,base,cur,cnt,init) \ |
2284 | #define array_needsize(type,base,cur,cnt,init) \ |
1963 | if (expect_false ((cnt) > (cur))) \ |
2285 | if (ecb_expect_false ((cnt) > (cur))) \ |
1964 | { \ |
2286 | { \ |
1965 | ecb_unused int ocur_ = (cur); \ |
2287 | ecb_unused int ocur_ = (cur); \ |
1966 | (base) = (type *)array_realloc \ |
2288 | (base) = (type *)array_realloc \ |
1967 | (sizeof (type), (base), &(cur), (cnt)); \ |
2289 | (sizeof (type), (base), &(cur), (cnt)); \ |
1968 | init ((base) + (ocur_), (cur) - ocur_); \ |
2290 | init ((base), ocur_, ((cur) - ocur_)); \ |
1969 | } |
2291 | } |
1970 | |
2292 | |
1971 | #if 0 |
2293 | #if 0 |
1972 | #define array_slim(type,stem) \ |
2294 | #define array_slim(type,stem) \ |
1973 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2295 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
1982 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2304 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1983 | |
2305 | |
1984 | /*****************************************************************************/ |
2306 | /*****************************************************************************/ |
1985 | |
2307 | |
1986 | /* dummy callback for pending events */ |
2308 | /* dummy callback for pending events */ |
1987 | noinline |
2309 | ecb_noinline |
1988 | static void |
2310 | static void |
1989 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2311 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1990 | { |
2312 | { |
1991 | } |
2313 | } |
1992 | |
2314 | |
1993 | noinline |
2315 | ecb_noinline |
1994 | void |
2316 | void |
1995 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2317 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1996 | { |
2318 | { |
1997 | W w_ = (W)w; |
2319 | W w_ = (W)w; |
1998 | int pri = ABSPRI (w_); |
2320 | int pri = ABSPRI (w_); |
1999 | |
2321 | |
2000 | if (expect_false (w_->pending)) |
2322 | if (ecb_expect_false (w_->pending)) |
2001 | pendings [pri][w_->pending - 1].events |= revents; |
2323 | pendings [pri][w_->pending - 1].events |= revents; |
2002 | else |
2324 | else |
2003 | { |
2325 | { |
2004 | w_->pending = ++pendingcnt [pri]; |
2326 | w_->pending = ++pendingcnt [pri]; |
2005 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2327 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2006 | pendings [pri][w_->pending - 1].w = w_; |
2328 | pendings [pri][w_->pending - 1].w = w_; |
2007 | pendings [pri][w_->pending - 1].events = revents; |
2329 | pendings [pri][w_->pending - 1].events = revents; |
2008 | } |
2330 | } |
2009 | |
2331 | |
2010 | pendingpri = NUMPRI - 1; |
2332 | pendingpri = NUMPRI - 1; |
2011 | } |
2333 | } |
2012 | |
2334 | |
2013 | inline_speed void |
2335 | inline_speed void |
2014 | feed_reverse (EV_P_ W w) |
2336 | feed_reverse (EV_P_ W w) |
2015 | { |
2337 | { |
2016 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2338 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
2017 | rfeeds [rfeedcnt++] = w; |
2339 | rfeeds [rfeedcnt++] = w; |
2018 | } |
2340 | } |
2019 | |
2341 | |
2020 | inline_size void |
2342 | inline_size void |
2021 | feed_reverse_done (EV_P_ int revents) |
2343 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
2056 | inline_speed void |
2378 | inline_speed void |
2057 | fd_event (EV_P_ int fd, int revents) |
2379 | fd_event (EV_P_ int fd, int revents) |
2058 | { |
2380 | { |
2059 | ANFD *anfd = anfds + fd; |
2381 | ANFD *anfd = anfds + fd; |
2060 | |
2382 | |
2061 | if (expect_true (!anfd->reify)) |
2383 | if (ecb_expect_true (!anfd->reify)) |
2062 | fd_event_nocheck (EV_A_ fd, revents); |
2384 | fd_event_nocheck (EV_A_ fd, revents); |
2063 | } |
2385 | } |
2064 | |
2386 | |
2065 | void |
2387 | void |
2066 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2388 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
2067 | { |
2389 | { |
2068 | if (fd >= 0 && fd < anfdmax) |
2390 | if (fd >= 0 && fd < anfdmax) |
2069 | fd_event_nocheck (EV_A_ fd, revents); |
2391 | fd_event_nocheck (EV_A_ fd, revents); |
2070 | } |
2392 | } |
2071 | |
2393 | |
… | |
… | |
2074 | inline_size void |
2396 | inline_size void |
2075 | fd_reify (EV_P) |
2397 | fd_reify (EV_P) |
2076 | { |
2398 | { |
2077 | int i; |
2399 | int i; |
2078 | |
2400 | |
|
|
2401 | /* most backends do not modify the fdchanges list in backend_modfiy. |
|
|
2402 | * except io_uring, which has fixed-size buffers which might force us |
|
|
2403 | * to handle events in backend_modify, causing fdchanges to be amended, |
|
|
2404 | * which could result in an endless loop. |
|
|
2405 | * to avoid this, we do not dynamically handle fds that were added |
|
|
2406 | * during fd_reify. that means that for those backends, fdchangecnt |
|
|
2407 | * might be non-zero during poll, which must cause them to not block. |
|
|
2408 | * to not put too much of a burden on other backends, this detail |
|
|
2409 | * needs to be handled in the backend. |
|
|
2410 | */ |
|
|
2411 | int changecnt = fdchangecnt; |
|
|
2412 | |
2079 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2413 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2080 | for (i = 0; i < fdchangecnt; ++i) |
2414 | for (i = 0; i < changecnt; ++i) |
2081 | { |
2415 | { |
2082 | int fd = fdchanges [i]; |
2416 | int fd = fdchanges [i]; |
2083 | ANFD *anfd = anfds + fd; |
2417 | ANFD *anfd = anfds + fd; |
2084 | |
2418 | |
2085 | if (anfd->reify & EV__IOFDSET && anfd->head) |
2419 | if (anfd->reify & EV__IOFDSET && anfd->head) |
… | |
… | |
2099 | } |
2433 | } |
2100 | } |
2434 | } |
2101 | } |
2435 | } |
2102 | #endif |
2436 | #endif |
2103 | |
2437 | |
2104 | for (i = 0; i < fdchangecnt; ++i) |
2438 | for (i = 0; i < changecnt; ++i) |
2105 | { |
2439 | { |
2106 | int fd = fdchanges [i]; |
2440 | int fd = fdchanges [i]; |
2107 | ANFD *anfd = anfds + fd; |
2441 | ANFD *anfd = anfds + fd; |
2108 | ev_io *w; |
2442 | ev_io *w; |
2109 | |
2443 | |
2110 | unsigned char o_events = anfd->events; |
2444 | unsigned char o_events = anfd->events; |
2111 | unsigned char o_reify = anfd->reify; |
2445 | unsigned char o_reify = anfd->reify; |
2112 | |
2446 | |
2113 | anfd->reify = 0; |
2447 | anfd->reify = 0; |
2114 | |
2448 | |
2115 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2449 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2116 | { |
2450 | { |
2117 | anfd->events = 0; |
2451 | anfd->events = 0; |
2118 | |
2452 | |
2119 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2453 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2120 | anfd->events |= (unsigned char)w->events; |
2454 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2125 | |
2459 | |
2126 | if (o_reify & EV__IOFDSET) |
2460 | if (o_reify & EV__IOFDSET) |
2127 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2461 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2128 | } |
2462 | } |
2129 | |
2463 | |
|
|
2464 | /* normally, fdchangecnt hasn't changed. if it has, then new fds have been added. |
|
|
2465 | * this is a rare case (see beginning comment in this function), so we copy them to the |
|
|
2466 | * front and hope the backend handles this case. |
|
|
2467 | */ |
|
|
2468 | if (ecb_expect_false (fdchangecnt != changecnt)) |
|
|
2469 | memmove (fdchanges, fdchanges + changecnt, (fdchangecnt - changecnt) * sizeof (*fdchanges)); |
|
|
2470 | |
2130 | fdchangecnt = 0; |
2471 | fdchangecnt -= changecnt; |
2131 | } |
2472 | } |
2132 | |
2473 | |
2133 | /* something about the given fd changed */ |
2474 | /* something about the given fd changed */ |
2134 | inline_size |
2475 | inline_size |
2135 | void |
2476 | void |
2136 | fd_change (EV_P_ int fd, int flags) |
2477 | fd_change (EV_P_ int fd, int flags) |
2137 | { |
2478 | { |
2138 | unsigned char reify = anfds [fd].reify; |
2479 | unsigned char reify = anfds [fd].reify; |
2139 | anfds [fd].reify |= flags; |
2480 | anfds [fd].reify = reify | flags; |
2140 | |
2481 | |
2141 | if (expect_true (!reify)) |
2482 | if (ecb_expect_true (!reify)) |
2142 | { |
2483 | { |
2143 | ++fdchangecnt; |
2484 | ++fdchangecnt; |
2144 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2485 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2145 | fdchanges [fdchangecnt - 1] = fd; |
2486 | fdchanges [fdchangecnt - 1] = fd; |
2146 | } |
2487 | } |
2147 | } |
2488 | } |
2148 | |
2489 | |
2149 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2490 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
… | |
… | |
2169 | return fcntl (fd, F_GETFD) != -1; |
2510 | return fcntl (fd, F_GETFD) != -1; |
2170 | #endif |
2511 | #endif |
2171 | } |
2512 | } |
2172 | |
2513 | |
2173 | /* called on EBADF to verify fds */ |
2514 | /* called on EBADF to verify fds */ |
2174 | noinline ecb_cold |
2515 | ecb_noinline ecb_cold |
2175 | static void |
2516 | static void |
2176 | fd_ebadf (EV_P) |
2517 | fd_ebadf (EV_P) |
2177 | { |
2518 | { |
2178 | int fd; |
2519 | int fd; |
2179 | |
2520 | |
… | |
… | |
2182 | if (!fd_valid (fd) && errno == EBADF) |
2523 | if (!fd_valid (fd) && errno == EBADF) |
2183 | fd_kill (EV_A_ fd); |
2524 | fd_kill (EV_A_ fd); |
2184 | } |
2525 | } |
2185 | |
2526 | |
2186 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2527 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2187 | noinline ecb_cold |
2528 | ecb_noinline ecb_cold |
2188 | static void |
2529 | static void |
2189 | fd_enomem (EV_P) |
2530 | fd_enomem (EV_P) |
2190 | { |
2531 | { |
2191 | int fd; |
2532 | int fd; |
2192 | |
2533 | |
… | |
… | |
2197 | break; |
2538 | break; |
2198 | } |
2539 | } |
2199 | } |
2540 | } |
2200 | |
2541 | |
2201 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2542 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2202 | noinline |
2543 | ecb_noinline |
2203 | static void |
2544 | static void |
2204 | fd_rearm_all (EV_P) |
2545 | fd_rearm_all (EV_P) |
2205 | { |
2546 | { |
2206 | int fd; |
2547 | int fd; |
2207 | |
2548 | |
… | |
… | |
2261 | ev_tstamp minat; |
2602 | ev_tstamp minat; |
2262 | ANHE *minpos; |
2603 | ANHE *minpos; |
2263 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2604 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2264 | |
2605 | |
2265 | /* find minimum child */ |
2606 | /* find minimum child */ |
2266 | if (expect_true (pos + DHEAP - 1 < E)) |
2607 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2267 | { |
2608 | { |
2268 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2609 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2269 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2610 | if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2270 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2611 | if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2271 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2612 | if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2272 | } |
2613 | } |
2273 | else if (pos < E) |
2614 | else if (pos < E) |
2274 | { |
2615 | { |
2275 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2616 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2276 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2617 | if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2277 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2618 | if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2278 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2619 | if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2279 | } |
2620 | } |
2280 | else |
2621 | else |
2281 | break; |
2622 | break; |
2282 | |
2623 | |
2283 | if (ANHE_at (he) <= minat) |
2624 | if (ANHE_at (he) <= minat) |
… | |
… | |
2291 | |
2632 | |
2292 | heap [k] = he; |
2633 | heap [k] = he; |
2293 | ev_active (ANHE_w (he)) = k; |
2634 | ev_active (ANHE_w (he)) = k; |
2294 | } |
2635 | } |
2295 | |
2636 | |
2296 | #else /* 4HEAP */ |
2637 | #else /* not 4HEAP */ |
2297 | |
2638 | |
2298 | #define HEAP0 1 |
2639 | #define HEAP0 1 |
2299 | #define HPARENT(k) ((k) >> 1) |
2640 | #define HPARENT(k) ((k) >> 1) |
2300 | #define UPHEAP_DONE(p,k) (!(p)) |
2641 | #define UPHEAP_DONE(p,k) (!(p)) |
2301 | |
2642 | |
… | |
… | |
2373 | upheap (heap, i + HEAP0); |
2714 | upheap (heap, i + HEAP0); |
2374 | } |
2715 | } |
2375 | |
2716 | |
2376 | /*****************************************************************************/ |
2717 | /*****************************************************************************/ |
2377 | |
2718 | |
2378 | /* associate signal watchers to a signal signal */ |
2719 | /* associate signal watchers to a signal */ |
2379 | typedef struct |
2720 | typedef struct |
2380 | { |
2721 | { |
2381 | EV_ATOMIC_T pending; |
2722 | EV_ATOMIC_T pending; |
2382 | #if EV_MULTIPLICITY |
2723 | #if EV_MULTIPLICITY |
2383 | EV_P; |
2724 | EV_P; |
… | |
… | |
2389 | |
2730 | |
2390 | /*****************************************************************************/ |
2731 | /*****************************************************************************/ |
2391 | |
2732 | |
2392 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2733 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2393 | |
2734 | |
2394 | noinline ecb_cold |
2735 | ecb_noinline ecb_cold |
2395 | static void |
2736 | static void |
2396 | evpipe_init (EV_P) |
2737 | evpipe_init (EV_P) |
2397 | { |
2738 | { |
2398 | if (!ev_is_active (&pipe_w)) |
2739 | if (!ev_is_active (&pipe_w)) |
2399 | { |
2740 | { |
… | |
… | |
2440 | inline_speed void |
2781 | inline_speed void |
2441 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2782 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2442 | { |
2783 | { |
2443 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2784 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2444 | |
2785 | |
2445 | if (expect_true (*flag)) |
2786 | if (ecb_expect_true (*flag)) |
2446 | return; |
2787 | return; |
2447 | |
2788 | |
2448 | *flag = 1; |
2789 | *flag = 1; |
2449 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2790 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2450 | |
2791 | |
… | |
… | |
2471 | #endif |
2812 | #endif |
2472 | { |
2813 | { |
2473 | #ifdef _WIN32 |
2814 | #ifdef _WIN32 |
2474 | WSABUF buf; |
2815 | WSABUF buf; |
2475 | DWORD sent; |
2816 | DWORD sent; |
2476 | buf.buf = &buf; |
2817 | buf.buf = (char *)&buf; |
2477 | buf.len = 1; |
2818 | buf.len = 1; |
2478 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2819 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2479 | #else |
2820 | #else |
2480 | write (evpipe [1], &(evpipe [1]), 1); |
2821 | write (evpipe [1], &(evpipe [1]), 1); |
2481 | #endif |
2822 | #endif |
… | |
… | |
2527 | sig_pending = 0; |
2868 | sig_pending = 0; |
2528 | |
2869 | |
2529 | ECB_MEMORY_FENCE; |
2870 | ECB_MEMORY_FENCE; |
2530 | |
2871 | |
2531 | for (i = EV_NSIG - 1; i--; ) |
2872 | for (i = EV_NSIG - 1; i--; ) |
2532 | if (expect_false (signals [i].pending)) |
2873 | if (ecb_expect_false (signals [i].pending)) |
2533 | ev_feed_signal_event (EV_A_ i + 1); |
2874 | ev_feed_signal_event (EV_A_ i + 1); |
2534 | } |
2875 | } |
2535 | #endif |
2876 | #endif |
2536 | |
2877 | |
2537 | #if EV_ASYNC_ENABLE |
2878 | #if EV_ASYNC_ENABLE |
… | |
… | |
2553 | } |
2894 | } |
2554 | |
2895 | |
2555 | /*****************************************************************************/ |
2896 | /*****************************************************************************/ |
2556 | |
2897 | |
2557 | void |
2898 | void |
2558 | ev_feed_signal (int signum) EV_THROW |
2899 | ev_feed_signal (int signum) EV_NOEXCEPT |
2559 | { |
2900 | { |
2560 | #if EV_MULTIPLICITY |
2901 | #if EV_MULTIPLICITY |
2561 | EV_P; |
2902 | EV_P; |
2562 | ECB_MEMORY_FENCE_ACQUIRE; |
2903 | ECB_MEMORY_FENCE_ACQUIRE; |
2563 | EV_A = signals [signum - 1].loop; |
2904 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2578 | #endif |
2919 | #endif |
2579 | |
2920 | |
2580 | ev_feed_signal (signum); |
2921 | ev_feed_signal (signum); |
2581 | } |
2922 | } |
2582 | |
2923 | |
2583 | noinline |
2924 | ecb_noinline |
2584 | void |
2925 | void |
2585 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2926 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2586 | { |
2927 | { |
2587 | WL w; |
2928 | WL w; |
2588 | |
2929 | |
2589 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2930 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2590 | return; |
2931 | return; |
2591 | |
2932 | |
2592 | --signum; |
2933 | --signum; |
2593 | |
2934 | |
2594 | #if EV_MULTIPLICITY |
2935 | #if EV_MULTIPLICITY |
2595 | /* it is permissible to try to feed a signal to the wrong loop */ |
2936 | /* it is permissible to try to feed a signal to the wrong loop */ |
2596 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2937 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2597 | |
2938 | |
2598 | if (expect_false (signals [signum].loop != EV_A)) |
2939 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2599 | return; |
2940 | return; |
2600 | #endif |
2941 | #endif |
2601 | |
2942 | |
2602 | signals [signum].pending = 0; |
2943 | signals [signum].pending = 0; |
2603 | ECB_MEMORY_FENCE_RELEASE; |
2944 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2687 | |
3028 | |
2688 | #endif |
3029 | #endif |
2689 | |
3030 | |
2690 | /*****************************************************************************/ |
3031 | /*****************************************************************************/ |
2691 | |
3032 | |
|
|
3033 | #if EV_USE_TIMERFD |
|
|
3034 | |
|
|
3035 | static void periodics_reschedule (EV_P); |
|
|
3036 | |
|
|
3037 | static void |
|
|
3038 | timerfdcb (EV_P_ ev_io *iow, int revents) |
|
|
3039 | { |
|
|
3040 | struct itimerspec its = { 0 }; |
|
|
3041 | |
|
|
3042 | its.it_value.tv_sec = ev_rt_now + (int)MAX_BLOCKTIME2; |
|
|
3043 | timerfd_settime (timerfd, TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET, &its, 0); |
|
|
3044 | |
|
|
3045 | ev_rt_now = ev_time (); |
|
|
3046 | /* periodics_reschedule only needs ev_rt_now */ |
|
|
3047 | /* but maybe in the future we want the full treatment. */ |
|
|
3048 | /* |
|
|
3049 | now_floor = EV_TS_CONST (0.); |
|
|
3050 | time_update (EV_A_ EV_TSTAMP_HUGE); |
|
|
3051 | */ |
|
|
3052 | #if EV_PERIODIC_ENABLE |
|
|
3053 | periodics_reschedule (EV_A); |
|
|
3054 | #endif |
|
|
3055 | } |
|
|
3056 | |
|
|
3057 | ecb_noinline ecb_cold |
|
|
3058 | static void |
|
|
3059 | evtimerfd_init (EV_P) |
|
|
3060 | { |
|
|
3061 | if (!ev_is_active (&timerfd_w)) |
|
|
3062 | { |
|
|
3063 | timerfd = timerfd_create (CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC); |
|
|
3064 | |
|
|
3065 | if (timerfd >= 0) |
|
|
3066 | { |
|
|
3067 | fd_intern (timerfd); /* just to be sure */ |
|
|
3068 | |
|
|
3069 | ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ); |
|
|
3070 | ev_set_priority (&timerfd_w, EV_MINPRI); |
|
|
3071 | ev_io_start (EV_A_ &timerfd_w); |
|
|
3072 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
3073 | |
|
|
3074 | /* (re-) arm timer */ |
|
|
3075 | timerfdcb (EV_A_ 0, 0); |
|
|
3076 | } |
|
|
3077 | } |
|
|
3078 | } |
|
|
3079 | |
|
|
3080 | #endif |
|
|
3081 | |
|
|
3082 | /*****************************************************************************/ |
|
|
3083 | |
2692 | #if EV_USE_IOCP |
3084 | #if EV_USE_IOCP |
2693 | # include "ev_iocp.c" |
3085 | # include "ev_iocp.c" |
2694 | #endif |
3086 | #endif |
2695 | #if EV_USE_PORT |
3087 | #if EV_USE_PORT |
2696 | # include "ev_port.c" |
3088 | # include "ev_port.c" |
… | |
… | |
2699 | # include "ev_kqueue.c" |
3091 | # include "ev_kqueue.c" |
2700 | #endif |
3092 | #endif |
2701 | #if EV_USE_EPOLL |
3093 | #if EV_USE_EPOLL |
2702 | # include "ev_epoll.c" |
3094 | # include "ev_epoll.c" |
2703 | #endif |
3095 | #endif |
|
|
3096 | #if EV_USE_LINUXAIO |
|
|
3097 | # include "ev_linuxaio.c" |
|
|
3098 | #endif |
|
|
3099 | #if EV_USE_IOURING |
|
|
3100 | # include "ev_iouring.c" |
|
|
3101 | #endif |
2704 | #if EV_USE_POLL |
3102 | #if EV_USE_POLL |
2705 | # include "ev_poll.c" |
3103 | # include "ev_poll.c" |
2706 | #endif |
3104 | #endif |
2707 | #if EV_USE_SELECT |
3105 | #if EV_USE_SELECT |
2708 | # include "ev_select.c" |
3106 | # include "ev_select.c" |
2709 | #endif |
3107 | #endif |
2710 | |
3108 | |
2711 | ecb_cold int |
3109 | ecb_cold int |
2712 | ev_version_major (void) EV_THROW |
3110 | ev_version_major (void) EV_NOEXCEPT |
2713 | { |
3111 | { |
2714 | return EV_VERSION_MAJOR; |
3112 | return EV_VERSION_MAJOR; |
2715 | } |
3113 | } |
2716 | |
3114 | |
2717 | ecb_cold int |
3115 | ecb_cold int |
2718 | ev_version_minor (void) EV_THROW |
3116 | ev_version_minor (void) EV_NOEXCEPT |
2719 | { |
3117 | { |
2720 | return EV_VERSION_MINOR; |
3118 | return EV_VERSION_MINOR; |
2721 | } |
3119 | } |
2722 | |
3120 | |
2723 | /* return true if we are running with elevated privileges and should ignore env variables */ |
3121 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
2732 | #endif |
3130 | #endif |
2733 | } |
3131 | } |
2734 | |
3132 | |
2735 | ecb_cold |
3133 | ecb_cold |
2736 | unsigned int |
3134 | unsigned int |
2737 | ev_supported_backends (void) EV_THROW |
3135 | ev_supported_backends (void) EV_NOEXCEPT |
2738 | { |
3136 | { |
2739 | unsigned int flags = 0; |
3137 | unsigned int flags = 0; |
2740 | |
3138 | |
2741 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
3139 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2742 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
3140 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2743 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
3141 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2744 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
3142 | if (EV_USE_LINUXAIO ) flags |= EVBACKEND_LINUXAIO; |
2745 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
3143 | if (EV_USE_IOURING && ev_linux_version () >= 0x050601) flags |= EVBACKEND_IOURING; /* 5.6.1+ */ |
2746 | |
3144 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
3145 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
|
|
3146 | |
2747 | return flags; |
3147 | return flags; |
2748 | } |
3148 | } |
2749 | |
3149 | |
2750 | ecb_cold |
3150 | ecb_cold |
2751 | unsigned int |
3151 | unsigned int |
2752 | ev_recommended_backends (void) EV_THROW |
3152 | ev_recommended_backends (void) EV_NOEXCEPT |
2753 | { |
3153 | { |
2754 | unsigned int flags = ev_supported_backends (); |
3154 | unsigned int flags = ev_supported_backends (); |
2755 | |
3155 | |
2756 | #ifndef __NetBSD__ |
3156 | #ifndef __NetBSD__ |
2757 | /* kqueue is borked on everything but netbsd apparently */ |
3157 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2765 | #endif |
3165 | #endif |
2766 | #ifdef __FreeBSD__ |
3166 | #ifdef __FreeBSD__ |
2767 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
3167 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2768 | #endif |
3168 | #endif |
2769 | |
3169 | |
|
|
3170 | /* TODO: linuxaio is very experimental */ |
|
|
3171 | #if !EV_RECOMMEND_LINUXAIO |
|
|
3172 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
3173 | #endif |
|
|
3174 | /* TODO: iouring is super experimental */ |
|
|
3175 | #if !EV_RECOMMEND_IOURING |
|
|
3176 | flags &= ~EVBACKEND_IOURING; |
|
|
3177 | #endif |
|
|
3178 | |
2770 | return flags; |
3179 | return flags; |
2771 | } |
3180 | } |
2772 | |
3181 | |
2773 | ecb_cold |
3182 | ecb_cold |
2774 | unsigned int |
3183 | unsigned int |
2775 | ev_embeddable_backends (void) EV_THROW |
3184 | ev_embeddable_backends (void) EV_NOEXCEPT |
2776 | { |
3185 | { |
2777 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
3186 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT | EVBACKEND_IOURING; |
2778 | |
3187 | |
2779 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
3188 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2780 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
3189 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2781 | flags &= ~EVBACKEND_EPOLL; |
3190 | flags &= ~EVBACKEND_EPOLL; |
2782 | |
3191 | |
|
|
3192 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
3193 | |
2783 | return flags; |
3194 | return flags; |
2784 | } |
3195 | } |
2785 | |
3196 | |
2786 | unsigned int |
3197 | unsigned int |
2787 | ev_backend (EV_P) EV_THROW |
3198 | ev_backend (EV_P) EV_NOEXCEPT |
2788 | { |
3199 | { |
2789 | return backend; |
3200 | return backend; |
2790 | } |
3201 | } |
2791 | |
3202 | |
2792 | #if EV_FEATURE_API |
3203 | #if EV_FEATURE_API |
2793 | unsigned int |
3204 | unsigned int |
2794 | ev_iteration (EV_P) EV_THROW |
3205 | ev_iteration (EV_P) EV_NOEXCEPT |
2795 | { |
3206 | { |
2796 | return loop_count; |
3207 | return loop_count; |
2797 | } |
3208 | } |
2798 | |
3209 | |
2799 | unsigned int |
3210 | unsigned int |
2800 | ev_depth (EV_P) EV_THROW |
3211 | ev_depth (EV_P) EV_NOEXCEPT |
2801 | { |
3212 | { |
2802 | return loop_depth; |
3213 | return loop_depth; |
2803 | } |
3214 | } |
2804 | |
3215 | |
2805 | void |
3216 | void |
2806 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
3217 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2807 | { |
3218 | { |
2808 | io_blocktime = interval; |
3219 | io_blocktime = interval; |
2809 | } |
3220 | } |
2810 | |
3221 | |
2811 | void |
3222 | void |
2812 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
3223 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2813 | { |
3224 | { |
2814 | timeout_blocktime = interval; |
3225 | timeout_blocktime = interval; |
2815 | } |
3226 | } |
2816 | |
3227 | |
2817 | void |
3228 | void |
2818 | ev_set_userdata (EV_P_ void *data) EV_THROW |
3229 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2819 | { |
3230 | { |
2820 | userdata = data; |
3231 | userdata = data; |
2821 | } |
3232 | } |
2822 | |
3233 | |
2823 | void * |
3234 | void * |
2824 | ev_userdata (EV_P) EV_THROW |
3235 | ev_userdata (EV_P) EV_NOEXCEPT |
2825 | { |
3236 | { |
2826 | return userdata; |
3237 | return userdata; |
2827 | } |
3238 | } |
2828 | |
3239 | |
2829 | void |
3240 | void |
2830 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW |
3241 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2831 | { |
3242 | { |
2832 | invoke_cb = invoke_pending_cb; |
3243 | invoke_cb = invoke_pending_cb; |
2833 | } |
3244 | } |
2834 | |
3245 | |
2835 | void |
3246 | void |
2836 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
3247 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2837 | { |
3248 | { |
2838 | release_cb = release; |
3249 | release_cb = release; |
2839 | acquire_cb = acquire; |
3250 | acquire_cb = acquire; |
2840 | } |
3251 | } |
2841 | #endif |
3252 | #endif |
2842 | |
3253 | |
2843 | /* initialise a loop structure, must be zero-initialised */ |
3254 | /* initialise a loop structure, must be zero-initialised */ |
2844 | noinline ecb_cold |
3255 | ecb_noinline ecb_cold |
2845 | static void |
3256 | static void |
2846 | loop_init (EV_P_ unsigned int flags) EV_THROW |
3257 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2847 | { |
3258 | { |
2848 | if (!backend) |
3259 | if (!backend) |
2849 | { |
3260 | { |
2850 | origflags = flags; |
3261 | origflags = flags; |
2851 | |
3262 | |
… | |
… | |
2904 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
3315 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2905 | #endif |
3316 | #endif |
2906 | #if EV_USE_SIGNALFD |
3317 | #if EV_USE_SIGNALFD |
2907 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
3318 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2908 | #endif |
3319 | #endif |
|
|
3320 | #if EV_USE_TIMERFD |
|
|
3321 | timerfd = flags & EVFLAG_NOTIMERFD ? -1 : -2; |
|
|
3322 | #endif |
2909 | |
3323 | |
2910 | if (!(flags & EVBACKEND_MASK)) |
3324 | if (!(flags & EVBACKEND_MASK)) |
2911 | flags |= ev_recommended_backends (); |
3325 | flags |= ev_recommended_backends (); |
2912 | |
3326 | |
2913 | #if EV_USE_IOCP |
3327 | #if EV_USE_IOCP |
2914 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
3328 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2915 | #endif |
3329 | #endif |
2916 | #if EV_USE_PORT |
3330 | #if EV_USE_PORT |
2917 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3331 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2918 | #endif |
3332 | #endif |
2919 | #if EV_USE_KQUEUE |
3333 | #if EV_USE_KQUEUE |
2920 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
3334 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3335 | #endif |
|
|
3336 | #if EV_USE_IOURING |
|
|
3337 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
|
|
3338 | #endif |
|
|
3339 | #if EV_USE_LINUXAIO |
|
|
3340 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2921 | #endif |
3341 | #endif |
2922 | #if EV_USE_EPOLL |
3342 | #if EV_USE_EPOLL |
2923 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
3343 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2924 | #endif |
3344 | #endif |
2925 | #if EV_USE_POLL |
3345 | #if EV_USE_POLL |
2926 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
3346 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2927 | #endif |
3347 | #endif |
2928 | #if EV_USE_SELECT |
3348 | #if EV_USE_SELECT |
2929 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
3349 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2930 | #endif |
3350 | #endif |
2931 | |
3351 | |
2932 | ev_prepare_init (&pending_w, pendingcb); |
3352 | ev_prepare_init (&pending_w, pendingcb); |
2933 | |
3353 | |
2934 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3354 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2951 | return; |
3371 | return; |
2952 | #endif |
3372 | #endif |
2953 | |
3373 | |
2954 | #if EV_CLEANUP_ENABLE |
3374 | #if EV_CLEANUP_ENABLE |
2955 | /* queue cleanup watchers (and execute them) */ |
3375 | /* queue cleanup watchers (and execute them) */ |
2956 | if (expect_false (cleanupcnt)) |
3376 | if (ecb_expect_false (cleanupcnt)) |
2957 | { |
3377 | { |
2958 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3378 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
2959 | EV_INVOKE_PENDING; |
3379 | EV_INVOKE_PENDING; |
2960 | } |
3380 | } |
2961 | #endif |
3381 | #endif |
… | |
… | |
2980 | #if EV_USE_SIGNALFD |
3400 | #if EV_USE_SIGNALFD |
2981 | if (ev_is_active (&sigfd_w)) |
3401 | if (ev_is_active (&sigfd_w)) |
2982 | close (sigfd); |
3402 | close (sigfd); |
2983 | #endif |
3403 | #endif |
2984 | |
3404 | |
|
|
3405 | #if EV_USE_TIMERFD |
|
|
3406 | if (ev_is_active (&timerfd_w)) |
|
|
3407 | close (timerfd); |
|
|
3408 | #endif |
|
|
3409 | |
2985 | #if EV_USE_INOTIFY |
3410 | #if EV_USE_INOTIFY |
2986 | if (fs_fd >= 0) |
3411 | if (fs_fd >= 0) |
2987 | close (fs_fd); |
3412 | close (fs_fd); |
2988 | #endif |
3413 | #endif |
2989 | |
3414 | |
2990 | if (backend_fd >= 0) |
3415 | if (backend_fd >= 0) |
2991 | close (backend_fd); |
3416 | close (backend_fd); |
2992 | |
3417 | |
2993 | #if EV_USE_IOCP |
3418 | #if EV_USE_IOCP |
2994 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3419 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2995 | #endif |
3420 | #endif |
2996 | #if EV_USE_PORT |
3421 | #if EV_USE_PORT |
2997 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3422 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2998 | #endif |
3423 | #endif |
2999 | #if EV_USE_KQUEUE |
3424 | #if EV_USE_KQUEUE |
3000 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3425 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3426 | #endif |
|
|
3427 | #if EV_USE_IOURING |
|
|
3428 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
|
|
3429 | #endif |
|
|
3430 | #if EV_USE_LINUXAIO |
|
|
3431 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3001 | #endif |
3432 | #endif |
3002 | #if EV_USE_EPOLL |
3433 | #if EV_USE_EPOLL |
3003 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3434 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3004 | #endif |
3435 | #endif |
3005 | #if EV_USE_POLL |
3436 | #if EV_USE_POLL |
3006 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3437 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3007 | #endif |
3438 | #endif |
3008 | #if EV_USE_SELECT |
3439 | #if EV_USE_SELECT |
3009 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3440 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
3010 | #endif |
3441 | #endif |
3011 | |
3442 | |
3012 | for (i = NUMPRI; i--; ) |
3443 | for (i = NUMPRI; i--; ) |
3013 | { |
3444 | { |
3014 | array_free (pending, [i]); |
3445 | array_free (pending, [i]); |
… | |
… | |
3056 | |
3487 | |
3057 | inline_size void |
3488 | inline_size void |
3058 | loop_fork (EV_P) |
3489 | loop_fork (EV_P) |
3059 | { |
3490 | { |
3060 | #if EV_USE_PORT |
3491 | #if EV_USE_PORT |
3061 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3492 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3062 | #endif |
3493 | #endif |
3063 | #if EV_USE_KQUEUE |
3494 | #if EV_USE_KQUEUE |
3064 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3495 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3496 | #endif |
|
|
3497 | #if EV_USE_IOURING |
|
|
3498 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3499 | #endif |
|
|
3500 | #if EV_USE_LINUXAIO |
|
|
3501 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3065 | #endif |
3502 | #endif |
3066 | #if EV_USE_EPOLL |
3503 | #if EV_USE_EPOLL |
3067 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3504 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3068 | #endif |
3505 | #endif |
3069 | #if EV_USE_INOTIFY |
3506 | #if EV_USE_INOTIFY |
3070 | infy_fork (EV_A); |
3507 | infy_fork (EV_A); |
3071 | #endif |
3508 | #endif |
3072 | |
3509 | |
|
|
3510 | if (postfork != 2) |
|
|
3511 | { |
|
|
3512 | #if EV_USE_SIGNALFD |
|
|
3513 | /* surprisingly, nothing needs to be done for signalfd, accoridng to docs, it does the right thing on fork */ |
|
|
3514 | #endif |
|
|
3515 | |
|
|
3516 | #if EV_USE_TIMERFD |
|
|
3517 | if (ev_is_active (&timerfd_w)) |
|
|
3518 | { |
|
|
3519 | ev_ref (EV_A); |
|
|
3520 | ev_io_stop (EV_A_ &timerfd_w); |
|
|
3521 | |
|
|
3522 | close (timerfd); |
|
|
3523 | timerfd = -2; |
|
|
3524 | |
|
|
3525 | evtimerfd_init (EV_A); |
|
|
3526 | /* reschedule periodics, in case we missed something */ |
|
|
3527 | ev_feed_event (EV_A_ &timerfd_w, EV_CUSTOM); |
|
|
3528 | } |
|
|
3529 | #endif |
|
|
3530 | |
3073 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3531 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3074 | if (ev_is_active (&pipe_w) && postfork != 2) |
3532 | if (ev_is_active (&pipe_w)) |
3075 | { |
3533 | { |
3076 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3534 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3077 | |
3535 | |
3078 | ev_ref (EV_A); |
3536 | ev_ref (EV_A); |
3079 | ev_io_stop (EV_A_ &pipe_w); |
3537 | ev_io_stop (EV_A_ &pipe_w); |
3080 | |
3538 | |
3081 | if (evpipe [0] >= 0) |
3539 | if (evpipe [0] >= 0) |
3082 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3540 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3083 | |
3541 | |
3084 | evpipe_init (EV_A); |
3542 | evpipe_init (EV_A); |
3085 | /* iterate over everything, in case we missed something before */ |
3543 | /* iterate over everything, in case we missed something before */ |
3086 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3544 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3545 | } |
|
|
3546 | #endif |
3087 | } |
3547 | } |
3088 | #endif |
|
|
3089 | |
3548 | |
3090 | postfork = 0; |
3549 | postfork = 0; |
3091 | } |
3550 | } |
3092 | |
3551 | |
3093 | #if EV_MULTIPLICITY |
3552 | #if EV_MULTIPLICITY |
3094 | |
3553 | |
3095 | ecb_cold |
3554 | ecb_cold |
3096 | struct ev_loop * |
3555 | struct ev_loop * |
3097 | ev_loop_new (unsigned int flags) EV_THROW |
3556 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
3098 | { |
3557 | { |
3099 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3558 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3100 | |
3559 | |
3101 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3560 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3102 | loop_init (EV_A_ flags); |
3561 | loop_init (EV_A_ flags); |
… | |
… | |
3109 | } |
3568 | } |
3110 | |
3569 | |
3111 | #endif /* multiplicity */ |
3570 | #endif /* multiplicity */ |
3112 | |
3571 | |
3113 | #if EV_VERIFY |
3572 | #if EV_VERIFY |
3114 | noinline ecb_cold |
3573 | ecb_noinline ecb_cold |
3115 | static void |
3574 | static void |
3116 | verify_watcher (EV_P_ W w) |
3575 | verify_watcher (EV_P_ W w) |
3117 | { |
3576 | { |
3118 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3577 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3119 | |
3578 | |
3120 | if (w->pending) |
3579 | if (w->pending) |
3121 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3580 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3122 | } |
3581 | } |
3123 | |
3582 | |
3124 | noinline ecb_cold |
3583 | ecb_noinline ecb_cold |
3125 | static void |
3584 | static void |
3126 | verify_heap (EV_P_ ANHE *heap, int N) |
3585 | verify_heap (EV_P_ ANHE *heap, int N) |
3127 | { |
3586 | { |
3128 | int i; |
3587 | int i; |
3129 | |
3588 | |
… | |
… | |
3135 | |
3594 | |
3136 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3595 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3137 | } |
3596 | } |
3138 | } |
3597 | } |
3139 | |
3598 | |
3140 | noinline ecb_cold |
3599 | ecb_noinline ecb_cold |
3141 | static void |
3600 | static void |
3142 | array_verify (EV_P_ W *ws, int cnt) |
3601 | array_verify (EV_P_ W *ws, int cnt) |
3143 | { |
3602 | { |
3144 | while (cnt--) |
3603 | while (cnt--) |
3145 | { |
3604 | { |
… | |
… | |
3149 | } |
3608 | } |
3150 | #endif |
3609 | #endif |
3151 | |
3610 | |
3152 | #if EV_FEATURE_API |
3611 | #if EV_FEATURE_API |
3153 | void ecb_cold |
3612 | void ecb_cold |
3154 | ev_verify (EV_P) EV_THROW |
3613 | ev_verify (EV_P) EV_NOEXCEPT |
3155 | { |
3614 | { |
3156 | #if EV_VERIFY |
3615 | #if EV_VERIFY |
3157 | int i; |
3616 | int i; |
3158 | WL w, w2; |
3617 | WL w, w2; |
3159 | |
3618 | |
… | |
… | |
3240 | ecb_cold |
3699 | ecb_cold |
3241 | struct ev_loop * |
3700 | struct ev_loop * |
3242 | #else |
3701 | #else |
3243 | int |
3702 | int |
3244 | #endif |
3703 | #endif |
3245 | ev_default_loop (unsigned int flags) EV_THROW |
3704 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
3246 | { |
3705 | { |
3247 | if (!ev_default_loop_ptr) |
3706 | if (!ev_default_loop_ptr) |
3248 | { |
3707 | { |
3249 | #if EV_MULTIPLICITY |
3708 | #if EV_MULTIPLICITY |
3250 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3709 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
3269 | |
3728 | |
3270 | return ev_default_loop_ptr; |
3729 | return ev_default_loop_ptr; |
3271 | } |
3730 | } |
3272 | |
3731 | |
3273 | void |
3732 | void |
3274 | ev_loop_fork (EV_P) EV_THROW |
3733 | ev_loop_fork (EV_P) EV_NOEXCEPT |
3275 | { |
3734 | { |
3276 | postfork = 1; |
3735 | postfork = 1; |
3277 | } |
3736 | } |
3278 | |
3737 | |
3279 | /*****************************************************************************/ |
3738 | /*****************************************************************************/ |
… | |
… | |
3283 | { |
3742 | { |
3284 | EV_CB_INVOKE ((W)w, revents); |
3743 | EV_CB_INVOKE ((W)w, revents); |
3285 | } |
3744 | } |
3286 | |
3745 | |
3287 | unsigned int |
3746 | unsigned int |
3288 | ev_pending_count (EV_P) EV_THROW |
3747 | ev_pending_count (EV_P) EV_NOEXCEPT |
3289 | { |
3748 | { |
3290 | int pri; |
3749 | int pri; |
3291 | unsigned int count = 0; |
3750 | unsigned int count = 0; |
3292 | |
3751 | |
3293 | for (pri = NUMPRI; pri--; ) |
3752 | for (pri = NUMPRI; pri--; ) |
3294 | count += pendingcnt [pri]; |
3753 | count += pendingcnt [pri]; |
3295 | |
3754 | |
3296 | return count; |
3755 | return count; |
3297 | } |
3756 | } |
3298 | |
3757 | |
3299 | noinline |
3758 | ecb_noinline |
3300 | void |
3759 | void |
3301 | ev_invoke_pending (EV_P) |
3760 | ev_invoke_pending (EV_P) |
3302 | { |
3761 | { |
3303 | pendingpri = NUMPRI; |
3762 | pendingpri = NUMPRI; |
3304 | |
3763 | |
3305 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3764 | do |
3306 | { |
3765 | { |
3307 | --pendingpri; |
3766 | --pendingpri; |
3308 | |
3767 | |
|
|
3768 | /* pendingpri possibly gets modified in the inner loop */ |
3309 | while (pendingcnt [pendingpri]) |
3769 | while (pendingcnt [pendingpri]) |
3310 | { |
3770 | { |
3311 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3771 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3312 | |
3772 | |
3313 | p->w->pending = 0; |
3773 | p->w->pending = 0; |
3314 | EV_CB_INVOKE (p->w, p->events); |
3774 | EV_CB_INVOKE (p->w, p->events); |
3315 | EV_FREQUENT_CHECK; |
3775 | EV_FREQUENT_CHECK; |
3316 | } |
3776 | } |
3317 | } |
3777 | } |
|
|
3778 | while (pendingpri); |
3318 | } |
3779 | } |
3319 | |
3780 | |
3320 | #if EV_IDLE_ENABLE |
3781 | #if EV_IDLE_ENABLE |
3321 | /* make idle watchers pending. this handles the "call-idle */ |
3782 | /* make idle watchers pending. this handles the "call-idle */ |
3322 | /* only when higher priorities are idle" logic */ |
3783 | /* only when higher priorities are idle" logic */ |
3323 | inline_size void |
3784 | inline_size void |
3324 | idle_reify (EV_P) |
3785 | idle_reify (EV_P) |
3325 | { |
3786 | { |
3326 | if (expect_false (idleall)) |
3787 | if (ecb_expect_false (idleall)) |
3327 | { |
3788 | { |
3328 | int pri; |
3789 | int pri; |
3329 | |
3790 | |
3330 | for (pri = NUMPRI; pri--; ) |
3791 | for (pri = NUMPRI; pri--; ) |
3331 | { |
3792 | { |
… | |
… | |
3361 | { |
3822 | { |
3362 | ev_at (w) += w->repeat; |
3823 | ev_at (w) += w->repeat; |
3363 | if (ev_at (w) < mn_now) |
3824 | if (ev_at (w) < mn_now) |
3364 | ev_at (w) = mn_now; |
3825 | ev_at (w) = mn_now; |
3365 | |
3826 | |
3366 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
3827 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.))); |
3367 | |
3828 | |
3368 | ANHE_at_cache (timers [HEAP0]); |
3829 | ANHE_at_cache (timers [HEAP0]); |
3369 | downheap (timers, timercnt, HEAP0); |
3830 | downheap (timers, timercnt, HEAP0); |
3370 | } |
3831 | } |
3371 | else |
3832 | else |
… | |
… | |
3380 | } |
3841 | } |
3381 | } |
3842 | } |
3382 | |
3843 | |
3383 | #if EV_PERIODIC_ENABLE |
3844 | #if EV_PERIODIC_ENABLE |
3384 | |
3845 | |
3385 | noinline |
3846 | ecb_noinline |
3386 | static void |
3847 | static void |
3387 | periodic_recalc (EV_P_ ev_periodic *w) |
3848 | periodic_recalc (EV_P_ ev_periodic *w) |
3388 | { |
3849 | { |
3389 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3850 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3390 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3851 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3393 | while (at <= ev_rt_now) |
3854 | while (at <= ev_rt_now) |
3394 | { |
3855 | { |
3395 | ev_tstamp nat = at + w->interval; |
3856 | ev_tstamp nat = at + w->interval; |
3396 | |
3857 | |
3397 | /* when resolution fails us, we use ev_rt_now */ |
3858 | /* when resolution fails us, we use ev_rt_now */ |
3398 | if (expect_false (nat == at)) |
3859 | if (ecb_expect_false (nat == at)) |
3399 | { |
3860 | { |
3400 | at = ev_rt_now; |
3861 | at = ev_rt_now; |
3401 | break; |
3862 | break; |
3402 | } |
3863 | } |
3403 | |
3864 | |
… | |
… | |
3449 | } |
3910 | } |
3450 | } |
3911 | } |
3451 | |
3912 | |
3452 | /* simply recalculate all periodics */ |
3913 | /* simply recalculate all periodics */ |
3453 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3914 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3454 | noinline ecb_cold |
3915 | ecb_noinline ecb_cold |
3455 | static void |
3916 | static void |
3456 | periodics_reschedule (EV_P) |
3917 | periodics_reschedule (EV_P) |
3457 | { |
3918 | { |
3458 | int i; |
3919 | int i; |
3459 | |
3920 | |
… | |
… | |
3473 | reheap (periodics, periodiccnt); |
3934 | reheap (periodics, periodiccnt); |
3474 | } |
3935 | } |
3475 | #endif |
3936 | #endif |
3476 | |
3937 | |
3477 | /* adjust all timers by a given offset */ |
3938 | /* adjust all timers by a given offset */ |
3478 | noinline ecb_cold |
3939 | ecb_noinline ecb_cold |
3479 | static void |
3940 | static void |
3480 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3941 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3481 | { |
3942 | { |
3482 | int i; |
3943 | int i; |
3483 | |
3944 | |
… | |
… | |
3493 | /* also detect if there was a timejump, and act accordingly */ |
3954 | /* also detect if there was a timejump, and act accordingly */ |
3494 | inline_speed void |
3955 | inline_speed void |
3495 | time_update (EV_P_ ev_tstamp max_block) |
3956 | time_update (EV_P_ ev_tstamp max_block) |
3496 | { |
3957 | { |
3497 | #if EV_USE_MONOTONIC |
3958 | #if EV_USE_MONOTONIC |
3498 | if (expect_true (have_monotonic)) |
3959 | if (ecb_expect_true (have_monotonic)) |
3499 | { |
3960 | { |
3500 | int i; |
3961 | int i; |
3501 | ev_tstamp odiff = rtmn_diff; |
3962 | ev_tstamp odiff = rtmn_diff; |
3502 | |
3963 | |
3503 | mn_now = get_clock (); |
3964 | mn_now = get_clock (); |
3504 | |
3965 | |
3505 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3966 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3506 | /* interpolate in the meantime */ |
3967 | /* interpolate in the meantime */ |
3507 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3968 | if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5))) |
3508 | { |
3969 | { |
3509 | ev_rt_now = rtmn_diff + mn_now; |
3970 | ev_rt_now = rtmn_diff + mn_now; |
3510 | return; |
3971 | return; |
3511 | } |
3972 | } |
3512 | |
3973 | |
… | |
… | |
3526 | ev_tstamp diff; |
3987 | ev_tstamp diff; |
3527 | rtmn_diff = ev_rt_now - mn_now; |
3988 | rtmn_diff = ev_rt_now - mn_now; |
3528 | |
3989 | |
3529 | diff = odiff - rtmn_diff; |
3990 | diff = odiff - rtmn_diff; |
3530 | |
3991 | |
3531 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3992 | if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP))) |
3532 | return; /* all is well */ |
3993 | return; /* all is well */ |
3533 | |
3994 | |
3534 | ev_rt_now = ev_time (); |
3995 | ev_rt_now = ev_time (); |
3535 | mn_now = get_clock (); |
3996 | mn_now = get_clock (); |
3536 | now_floor = mn_now; |
3997 | now_floor = mn_now; |
… | |
… | |
3545 | else |
4006 | else |
3546 | #endif |
4007 | #endif |
3547 | { |
4008 | { |
3548 | ev_rt_now = ev_time (); |
4009 | ev_rt_now = ev_time (); |
3549 | |
4010 | |
3550 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
4011 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP))) |
3551 | { |
4012 | { |
3552 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
4013 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3553 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
4014 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3554 | #if EV_PERIODIC_ENABLE |
4015 | #if EV_PERIODIC_ENABLE |
3555 | periodics_reschedule (EV_A); |
4016 | periodics_reschedule (EV_A); |
… | |
… | |
3578 | #if EV_VERIFY >= 2 |
4039 | #if EV_VERIFY >= 2 |
3579 | ev_verify (EV_A); |
4040 | ev_verify (EV_A); |
3580 | #endif |
4041 | #endif |
3581 | |
4042 | |
3582 | #ifndef _WIN32 |
4043 | #ifndef _WIN32 |
3583 | if (expect_false (curpid)) /* penalise the forking check even more */ |
4044 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3584 | if (expect_false (getpid () != curpid)) |
4045 | if (ecb_expect_false (getpid () != curpid)) |
3585 | { |
4046 | { |
3586 | curpid = getpid (); |
4047 | curpid = getpid (); |
3587 | postfork = 1; |
4048 | postfork = 1; |
3588 | } |
4049 | } |
3589 | #endif |
4050 | #endif |
3590 | |
4051 | |
3591 | #if EV_FORK_ENABLE |
4052 | #if EV_FORK_ENABLE |
3592 | /* we might have forked, so queue fork handlers */ |
4053 | /* we might have forked, so queue fork handlers */ |
3593 | if (expect_false (postfork)) |
4054 | if (ecb_expect_false (postfork)) |
3594 | if (forkcnt) |
4055 | if (forkcnt) |
3595 | { |
4056 | { |
3596 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
4057 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3597 | EV_INVOKE_PENDING; |
4058 | EV_INVOKE_PENDING; |
3598 | } |
4059 | } |
3599 | #endif |
4060 | #endif |
3600 | |
4061 | |
3601 | #if EV_PREPARE_ENABLE |
4062 | #if EV_PREPARE_ENABLE |
3602 | /* queue prepare watchers (and execute them) */ |
4063 | /* queue prepare watchers (and execute them) */ |
3603 | if (expect_false (preparecnt)) |
4064 | if (ecb_expect_false (preparecnt)) |
3604 | { |
4065 | { |
3605 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
4066 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3606 | EV_INVOKE_PENDING; |
4067 | EV_INVOKE_PENDING; |
3607 | } |
4068 | } |
3608 | #endif |
4069 | #endif |
3609 | |
4070 | |
3610 | if (expect_false (loop_done)) |
4071 | if (ecb_expect_false (loop_done)) |
3611 | break; |
4072 | break; |
3612 | |
4073 | |
3613 | /* we might have forked, so reify kernel state if necessary */ |
4074 | /* we might have forked, so reify kernel state if necessary */ |
3614 | if (expect_false (postfork)) |
4075 | if (ecb_expect_false (postfork)) |
3615 | loop_fork (EV_A); |
4076 | loop_fork (EV_A); |
3616 | |
4077 | |
3617 | /* update fd-related kernel structures */ |
4078 | /* update fd-related kernel structures */ |
3618 | fd_reify (EV_A); |
4079 | fd_reify (EV_A); |
3619 | |
4080 | |
… | |
… | |
3624 | |
4085 | |
3625 | /* remember old timestamp for io_blocktime calculation */ |
4086 | /* remember old timestamp for io_blocktime calculation */ |
3626 | ev_tstamp prev_mn_now = mn_now; |
4087 | ev_tstamp prev_mn_now = mn_now; |
3627 | |
4088 | |
3628 | /* update time to cancel out callback processing overhead */ |
4089 | /* update time to cancel out callback processing overhead */ |
3629 | time_update (EV_A_ 1e100); |
4090 | time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE)); |
3630 | |
4091 | |
3631 | /* from now on, we want a pipe-wake-up */ |
4092 | /* from now on, we want a pipe-wake-up */ |
3632 | pipe_write_wanted = 1; |
4093 | pipe_write_wanted = 1; |
3633 | |
4094 | |
3634 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
4095 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3635 | |
4096 | |
3636 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
4097 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3637 | { |
4098 | { |
3638 | waittime = MAX_BLOCKTIME; |
4099 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
|
|
4100 | |
|
|
4101 | #if EV_USE_MONOTONIC |
|
|
4102 | if (ecb_expect_true (have_monotonic)) |
|
|
4103 | { |
|
|
4104 | #if EV_USE_TIMERFD |
|
|
4105 | /* sleep a lot longer when we can reliably detect timejumps */ |
|
|
4106 | if (ecb_expect_true (timerfd != -1)) |
|
|
4107 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4108 | #endif |
|
|
4109 | #if !EV_PERIODIC_ENABLE |
|
|
4110 | /* without periodics but with monotonic clock there is no need */ |
|
|
4111 | /* for any time jump detection, so sleep longer */ |
|
|
4112 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4113 | #endif |
|
|
4114 | } |
|
|
4115 | #endif |
3639 | |
4116 | |
3640 | if (timercnt) |
4117 | if (timercnt) |
3641 | { |
4118 | { |
3642 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
4119 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3643 | if (waittime > to) waittime = to; |
4120 | if (waittime > to) waittime = to; |
… | |
… | |
3650 | if (waittime > to) waittime = to; |
4127 | if (waittime > to) waittime = to; |
3651 | } |
4128 | } |
3652 | #endif |
4129 | #endif |
3653 | |
4130 | |
3654 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
4131 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3655 | if (expect_false (waittime < timeout_blocktime)) |
4132 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3656 | waittime = timeout_blocktime; |
4133 | waittime = timeout_blocktime; |
3657 | |
4134 | |
3658 | /* at this point, we NEED to wait, so we have to ensure */ |
4135 | /* now there are two more special cases left, either we have |
3659 | /* to pass a minimum nonzero value to the backend */ |
4136 | * already-expired timers, so we should not sleep, or we have timers |
|
|
4137 | * that expire very soon, in which case we need to wait for a minimum |
|
|
4138 | * amount of time for some event loop backends. |
|
|
4139 | */ |
3660 | if (expect_false (waittime < backend_mintime)) |
4140 | if (ecb_expect_false (waittime < backend_mintime)) |
|
|
4141 | waittime = waittime <= EV_TS_CONST (0.) |
|
|
4142 | ? EV_TS_CONST (0.) |
3661 | waittime = backend_mintime; |
4143 | : backend_mintime; |
3662 | |
4144 | |
3663 | /* extra check because io_blocktime is commonly 0 */ |
4145 | /* extra check because io_blocktime is commonly 0 */ |
3664 | if (expect_false (io_blocktime)) |
4146 | if (ecb_expect_false (io_blocktime)) |
3665 | { |
4147 | { |
3666 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
4148 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3667 | |
4149 | |
3668 | if (sleeptime > waittime - backend_mintime) |
4150 | if (sleeptime > waittime - backend_mintime) |
3669 | sleeptime = waittime - backend_mintime; |
4151 | sleeptime = waittime - backend_mintime; |
3670 | |
4152 | |
3671 | if (expect_true (sleeptime > 0.)) |
4153 | if (ecb_expect_true (sleeptime > EV_TS_CONST (0.))) |
3672 | { |
4154 | { |
3673 | ev_sleep (sleeptime); |
4155 | ev_sleep (sleeptime); |
3674 | waittime -= sleeptime; |
4156 | waittime -= sleeptime; |
3675 | } |
4157 | } |
3676 | } |
4158 | } |
… | |
… | |
3690 | { |
4172 | { |
3691 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
4173 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3692 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
4174 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3693 | } |
4175 | } |
3694 | |
4176 | |
3695 | |
|
|
3696 | /* update ev_rt_now, do magic */ |
4177 | /* update ev_rt_now, do magic */ |
3697 | time_update (EV_A_ waittime + sleeptime); |
4178 | time_update (EV_A_ waittime + sleeptime); |
3698 | } |
4179 | } |
3699 | |
4180 | |
3700 | /* queue pending timers and reschedule them */ |
4181 | /* queue pending timers and reschedule them */ |
… | |
… | |
3708 | idle_reify (EV_A); |
4189 | idle_reify (EV_A); |
3709 | #endif |
4190 | #endif |
3710 | |
4191 | |
3711 | #if EV_CHECK_ENABLE |
4192 | #if EV_CHECK_ENABLE |
3712 | /* queue check watchers, to be executed first */ |
4193 | /* queue check watchers, to be executed first */ |
3713 | if (expect_false (checkcnt)) |
4194 | if (ecb_expect_false (checkcnt)) |
3714 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
4195 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3715 | #endif |
4196 | #endif |
3716 | |
4197 | |
3717 | EV_INVOKE_PENDING; |
4198 | EV_INVOKE_PENDING; |
3718 | } |
4199 | } |
3719 | while (expect_true ( |
4200 | while (ecb_expect_true ( |
3720 | activecnt |
4201 | activecnt |
3721 | && !loop_done |
4202 | && !loop_done |
3722 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
4203 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3723 | )); |
4204 | )); |
3724 | |
4205 | |
… | |
… | |
3731 | |
4212 | |
3732 | return activecnt; |
4213 | return activecnt; |
3733 | } |
4214 | } |
3734 | |
4215 | |
3735 | void |
4216 | void |
3736 | ev_break (EV_P_ int how) EV_THROW |
4217 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3737 | { |
4218 | { |
3738 | loop_done = how; |
4219 | loop_done = how; |
3739 | } |
4220 | } |
3740 | |
4221 | |
3741 | void |
4222 | void |
3742 | ev_ref (EV_P) EV_THROW |
4223 | ev_ref (EV_P) EV_NOEXCEPT |
3743 | { |
4224 | { |
3744 | ++activecnt; |
4225 | ++activecnt; |
3745 | } |
4226 | } |
3746 | |
4227 | |
3747 | void |
4228 | void |
3748 | ev_unref (EV_P) EV_THROW |
4229 | ev_unref (EV_P) EV_NOEXCEPT |
3749 | { |
4230 | { |
3750 | --activecnt; |
4231 | --activecnt; |
3751 | } |
4232 | } |
3752 | |
4233 | |
3753 | void |
4234 | void |
3754 | ev_now_update (EV_P) EV_THROW |
4235 | ev_now_update (EV_P) EV_NOEXCEPT |
3755 | { |
4236 | { |
3756 | time_update (EV_A_ 1e100); |
4237 | time_update (EV_A_ EV_TSTAMP_HUGE); |
3757 | } |
4238 | } |
3758 | |
4239 | |
3759 | void |
4240 | void |
3760 | ev_suspend (EV_P) EV_THROW |
4241 | ev_suspend (EV_P) EV_NOEXCEPT |
3761 | { |
4242 | { |
3762 | ev_now_update (EV_A); |
4243 | ev_now_update (EV_A); |
3763 | } |
4244 | } |
3764 | |
4245 | |
3765 | void |
4246 | void |
3766 | ev_resume (EV_P) EV_THROW |
4247 | ev_resume (EV_P) EV_NOEXCEPT |
3767 | { |
4248 | { |
3768 | ev_tstamp mn_prev = mn_now; |
4249 | ev_tstamp mn_prev = mn_now; |
3769 | |
4250 | |
3770 | ev_now_update (EV_A); |
4251 | ev_now_update (EV_A); |
3771 | timers_reschedule (EV_A_ mn_now - mn_prev); |
4252 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3788 | inline_size void |
4269 | inline_size void |
3789 | wlist_del (WL *head, WL elem) |
4270 | wlist_del (WL *head, WL elem) |
3790 | { |
4271 | { |
3791 | while (*head) |
4272 | while (*head) |
3792 | { |
4273 | { |
3793 | if (expect_true (*head == elem)) |
4274 | if (ecb_expect_true (*head == elem)) |
3794 | { |
4275 | { |
3795 | *head = elem->next; |
4276 | *head = elem->next; |
3796 | break; |
4277 | break; |
3797 | } |
4278 | } |
3798 | |
4279 | |
… | |
… | |
3810 | w->pending = 0; |
4291 | w->pending = 0; |
3811 | } |
4292 | } |
3812 | } |
4293 | } |
3813 | |
4294 | |
3814 | int |
4295 | int |
3815 | ev_clear_pending (EV_P_ void *w) EV_THROW |
4296 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3816 | { |
4297 | { |
3817 | W w_ = (W)w; |
4298 | W w_ = (W)w; |
3818 | int pending = w_->pending; |
4299 | int pending = w_->pending; |
3819 | |
4300 | |
3820 | if (expect_true (pending)) |
4301 | if (ecb_expect_true (pending)) |
3821 | { |
4302 | { |
3822 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4303 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3823 | p->w = (W)&pending_w; |
4304 | p->w = (W)&pending_w; |
3824 | w_->pending = 0; |
4305 | w_->pending = 0; |
3825 | return p->events; |
4306 | return p->events; |
… | |
… | |
3852 | w->active = 0; |
4333 | w->active = 0; |
3853 | } |
4334 | } |
3854 | |
4335 | |
3855 | /*****************************************************************************/ |
4336 | /*****************************************************************************/ |
3856 | |
4337 | |
3857 | noinline |
4338 | ecb_noinline |
3858 | void |
4339 | void |
3859 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
4340 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3860 | { |
4341 | { |
3861 | int fd = w->fd; |
4342 | int fd = w->fd; |
3862 | |
4343 | |
3863 | if (expect_false (ev_is_active (w))) |
4344 | if (ecb_expect_false (ev_is_active (w))) |
3864 | return; |
4345 | return; |
3865 | |
4346 | |
3866 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4347 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3867 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4348 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3868 | |
4349 | |
|
|
4350 | #if EV_VERIFY >= 2 |
|
|
4351 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4352 | #endif |
3869 | EV_FREQUENT_CHECK; |
4353 | EV_FREQUENT_CHECK; |
3870 | |
4354 | |
3871 | ev_start (EV_A_ (W)w, 1); |
4355 | ev_start (EV_A_ (W)w, 1); |
3872 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
4356 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3873 | wlist_add (&anfds[fd].head, (WL)w); |
4357 | wlist_add (&anfds[fd].head, (WL)w); |
3874 | |
4358 | |
3875 | /* common bug, apparently */ |
4359 | /* common bug, apparently */ |
3876 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
4360 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3877 | |
4361 | |
… | |
… | |
3879 | w->events &= ~EV__IOFDSET; |
4363 | w->events &= ~EV__IOFDSET; |
3880 | |
4364 | |
3881 | EV_FREQUENT_CHECK; |
4365 | EV_FREQUENT_CHECK; |
3882 | } |
4366 | } |
3883 | |
4367 | |
3884 | noinline |
4368 | ecb_noinline |
3885 | void |
4369 | void |
3886 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
4370 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3887 | { |
4371 | { |
3888 | clear_pending (EV_A_ (W)w); |
4372 | clear_pending (EV_A_ (W)w); |
3889 | if (expect_false (!ev_is_active (w))) |
4373 | if (ecb_expect_false (!ev_is_active (w))) |
3890 | return; |
4374 | return; |
3891 | |
4375 | |
3892 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4376 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3893 | |
4377 | |
|
|
4378 | #if EV_VERIFY >= 2 |
|
|
4379 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4380 | #endif |
3894 | EV_FREQUENT_CHECK; |
4381 | EV_FREQUENT_CHECK; |
3895 | |
4382 | |
3896 | wlist_del (&anfds[w->fd].head, (WL)w); |
4383 | wlist_del (&anfds[w->fd].head, (WL)w); |
3897 | ev_stop (EV_A_ (W)w); |
4384 | ev_stop (EV_A_ (W)w); |
3898 | |
4385 | |
3899 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4386 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3900 | |
4387 | |
3901 | EV_FREQUENT_CHECK; |
4388 | EV_FREQUENT_CHECK; |
3902 | } |
4389 | } |
3903 | |
4390 | |
3904 | noinline |
4391 | ecb_noinline |
3905 | void |
4392 | void |
3906 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
4393 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3907 | { |
4394 | { |
3908 | if (expect_false (ev_is_active (w))) |
4395 | if (ecb_expect_false (ev_is_active (w))) |
3909 | return; |
4396 | return; |
3910 | |
4397 | |
3911 | ev_at (w) += mn_now; |
4398 | ev_at (w) += mn_now; |
3912 | |
4399 | |
3913 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4400 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
3914 | |
4401 | |
3915 | EV_FREQUENT_CHECK; |
4402 | EV_FREQUENT_CHECK; |
3916 | |
4403 | |
3917 | ++timercnt; |
4404 | ++timercnt; |
3918 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
4405 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3919 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
4406 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3920 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
4407 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3921 | ANHE_at_cache (timers [ev_active (w)]); |
4408 | ANHE_at_cache (timers [ev_active (w)]); |
3922 | upheap (timers, ev_active (w)); |
4409 | upheap (timers, ev_active (w)); |
3923 | |
4410 | |
3924 | EV_FREQUENT_CHECK; |
4411 | EV_FREQUENT_CHECK; |
3925 | |
4412 | |
3926 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4413 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3927 | } |
4414 | } |
3928 | |
4415 | |
3929 | noinline |
4416 | ecb_noinline |
3930 | void |
4417 | void |
3931 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
4418 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3932 | { |
4419 | { |
3933 | clear_pending (EV_A_ (W)w); |
4420 | clear_pending (EV_A_ (W)w); |
3934 | if (expect_false (!ev_is_active (w))) |
4421 | if (ecb_expect_false (!ev_is_active (w))) |
3935 | return; |
4422 | return; |
3936 | |
4423 | |
3937 | EV_FREQUENT_CHECK; |
4424 | EV_FREQUENT_CHECK; |
3938 | |
4425 | |
3939 | { |
4426 | { |
… | |
… | |
3941 | |
4428 | |
3942 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4429 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3943 | |
4430 | |
3944 | --timercnt; |
4431 | --timercnt; |
3945 | |
4432 | |
3946 | if (expect_true (active < timercnt + HEAP0)) |
4433 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3947 | { |
4434 | { |
3948 | timers [active] = timers [timercnt + HEAP0]; |
4435 | timers [active] = timers [timercnt + HEAP0]; |
3949 | adjustheap (timers, timercnt, active); |
4436 | adjustheap (timers, timercnt, active); |
3950 | } |
4437 | } |
3951 | } |
4438 | } |
… | |
… | |
3955 | ev_stop (EV_A_ (W)w); |
4442 | ev_stop (EV_A_ (W)w); |
3956 | |
4443 | |
3957 | EV_FREQUENT_CHECK; |
4444 | EV_FREQUENT_CHECK; |
3958 | } |
4445 | } |
3959 | |
4446 | |
3960 | noinline |
4447 | ecb_noinline |
3961 | void |
4448 | void |
3962 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
4449 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3963 | { |
4450 | { |
3964 | EV_FREQUENT_CHECK; |
4451 | EV_FREQUENT_CHECK; |
3965 | |
4452 | |
3966 | clear_pending (EV_A_ (W)w); |
4453 | clear_pending (EV_A_ (W)w); |
3967 | |
4454 | |
… | |
… | |
3984 | |
4471 | |
3985 | EV_FREQUENT_CHECK; |
4472 | EV_FREQUENT_CHECK; |
3986 | } |
4473 | } |
3987 | |
4474 | |
3988 | ev_tstamp |
4475 | ev_tstamp |
3989 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4476 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3990 | { |
4477 | { |
3991 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4478 | return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.)); |
3992 | } |
4479 | } |
3993 | |
4480 | |
3994 | #if EV_PERIODIC_ENABLE |
4481 | #if EV_PERIODIC_ENABLE |
3995 | noinline |
4482 | ecb_noinline |
3996 | void |
4483 | void |
3997 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4484 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3998 | { |
4485 | { |
3999 | if (expect_false (ev_is_active (w))) |
4486 | if (ecb_expect_false (ev_is_active (w))) |
4000 | return; |
4487 | return; |
|
|
4488 | |
|
|
4489 | #if EV_USE_TIMERFD |
|
|
4490 | if (timerfd == -2) |
|
|
4491 | evtimerfd_init (EV_A); |
|
|
4492 | #endif |
4001 | |
4493 | |
4002 | if (w->reschedule_cb) |
4494 | if (w->reschedule_cb) |
4003 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4495 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4004 | else if (w->interval) |
4496 | else if (w->interval) |
4005 | { |
4497 | { |
… | |
… | |
4011 | |
4503 | |
4012 | EV_FREQUENT_CHECK; |
4504 | EV_FREQUENT_CHECK; |
4013 | |
4505 | |
4014 | ++periodiccnt; |
4506 | ++periodiccnt; |
4015 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4507 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4016 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4508 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
4017 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4509 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4018 | ANHE_at_cache (periodics [ev_active (w)]); |
4510 | ANHE_at_cache (periodics [ev_active (w)]); |
4019 | upheap (periodics, ev_active (w)); |
4511 | upheap (periodics, ev_active (w)); |
4020 | |
4512 | |
4021 | EV_FREQUENT_CHECK; |
4513 | EV_FREQUENT_CHECK; |
4022 | |
4514 | |
4023 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4515 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4024 | } |
4516 | } |
4025 | |
4517 | |
4026 | noinline |
4518 | ecb_noinline |
4027 | void |
4519 | void |
4028 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4520 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4029 | { |
4521 | { |
4030 | clear_pending (EV_A_ (W)w); |
4522 | clear_pending (EV_A_ (W)w); |
4031 | if (expect_false (!ev_is_active (w))) |
4523 | if (ecb_expect_false (!ev_is_active (w))) |
4032 | return; |
4524 | return; |
4033 | |
4525 | |
4034 | EV_FREQUENT_CHECK; |
4526 | EV_FREQUENT_CHECK; |
4035 | |
4527 | |
4036 | { |
4528 | { |
… | |
… | |
4038 | |
4530 | |
4039 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4531 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4040 | |
4532 | |
4041 | --periodiccnt; |
4533 | --periodiccnt; |
4042 | |
4534 | |
4043 | if (expect_true (active < periodiccnt + HEAP0)) |
4535 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4044 | { |
4536 | { |
4045 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4537 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4046 | adjustheap (periodics, periodiccnt, active); |
4538 | adjustheap (periodics, periodiccnt, active); |
4047 | } |
4539 | } |
4048 | } |
4540 | } |
… | |
… | |
4050 | ev_stop (EV_A_ (W)w); |
4542 | ev_stop (EV_A_ (W)w); |
4051 | |
4543 | |
4052 | EV_FREQUENT_CHECK; |
4544 | EV_FREQUENT_CHECK; |
4053 | } |
4545 | } |
4054 | |
4546 | |
4055 | noinline |
4547 | ecb_noinline |
4056 | void |
4548 | void |
4057 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4549 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4058 | { |
4550 | { |
4059 | /* TODO: use adjustheap and recalculation */ |
4551 | /* TODO: use adjustheap and recalculation */ |
4060 | ev_periodic_stop (EV_A_ w); |
4552 | ev_periodic_stop (EV_A_ w); |
4061 | ev_periodic_start (EV_A_ w); |
4553 | ev_periodic_start (EV_A_ w); |
4062 | } |
4554 | } |
… | |
… | |
4066 | # define SA_RESTART 0 |
4558 | # define SA_RESTART 0 |
4067 | #endif |
4559 | #endif |
4068 | |
4560 | |
4069 | #if EV_SIGNAL_ENABLE |
4561 | #if EV_SIGNAL_ENABLE |
4070 | |
4562 | |
4071 | noinline |
4563 | ecb_noinline |
4072 | void |
4564 | void |
4073 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4565 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4074 | { |
4566 | { |
4075 | if (expect_false (ev_is_active (w))) |
4567 | if (ecb_expect_false (ev_is_active (w))) |
4076 | return; |
4568 | return; |
4077 | |
4569 | |
4078 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4570 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4079 | |
4571 | |
4080 | #if EV_MULTIPLICITY |
4572 | #if EV_MULTIPLICITY |
… | |
… | |
4149 | } |
4641 | } |
4150 | |
4642 | |
4151 | EV_FREQUENT_CHECK; |
4643 | EV_FREQUENT_CHECK; |
4152 | } |
4644 | } |
4153 | |
4645 | |
4154 | noinline |
4646 | ecb_noinline |
4155 | void |
4647 | void |
4156 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4648 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4157 | { |
4649 | { |
4158 | clear_pending (EV_A_ (W)w); |
4650 | clear_pending (EV_A_ (W)w); |
4159 | if (expect_false (!ev_is_active (w))) |
4651 | if (ecb_expect_false (!ev_is_active (w))) |
4160 | return; |
4652 | return; |
4161 | |
4653 | |
4162 | EV_FREQUENT_CHECK; |
4654 | EV_FREQUENT_CHECK; |
4163 | |
4655 | |
4164 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4656 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4192 | #endif |
4684 | #endif |
4193 | |
4685 | |
4194 | #if EV_CHILD_ENABLE |
4686 | #if EV_CHILD_ENABLE |
4195 | |
4687 | |
4196 | void |
4688 | void |
4197 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4689 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4198 | { |
4690 | { |
4199 | #if EV_MULTIPLICITY |
4691 | #if EV_MULTIPLICITY |
4200 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4692 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4201 | #endif |
4693 | #endif |
4202 | if (expect_false (ev_is_active (w))) |
4694 | if (ecb_expect_false (ev_is_active (w))) |
4203 | return; |
4695 | return; |
4204 | |
4696 | |
4205 | EV_FREQUENT_CHECK; |
4697 | EV_FREQUENT_CHECK; |
4206 | |
4698 | |
4207 | ev_start (EV_A_ (W)w, 1); |
4699 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4209 | |
4701 | |
4210 | EV_FREQUENT_CHECK; |
4702 | EV_FREQUENT_CHECK; |
4211 | } |
4703 | } |
4212 | |
4704 | |
4213 | void |
4705 | void |
4214 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4706 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4215 | { |
4707 | { |
4216 | clear_pending (EV_A_ (W)w); |
4708 | clear_pending (EV_A_ (W)w); |
4217 | if (expect_false (!ev_is_active (w))) |
4709 | if (ecb_expect_false (!ev_is_active (w))) |
4218 | return; |
4710 | return; |
4219 | |
4711 | |
4220 | EV_FREQUENT_CHECK; |
4712 | EV_FREQUENT_CHECK; |
4221 | |
4713 | |
4222 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4714 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4236 | |
4728 | |
4237 | #define DEF_STAT_INTERVAL 5.0074891 |
4729 | #define DEF_STAT_INTERVAL 5.0074891 |
4238 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4730 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4239 | #define MIN_STAT_INTERVAL 0.1074891 |
4731 | #define MIN_STAT_INTERVAL 0.1074891 |
4240 | |
4732 | |
4241 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4733 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4242 | |
4734 | |
4243 | #if EV_USE_INOTIFY |
4735 | #if EV_USE_INOTIFY |
4244 | |
4736 | |
4245 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4737 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4246 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4738 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4247 | |
4739 | |
4248 | noinline |
4740 | ecb_noinline |
4249 | static void |
4741 | static void |
4250 | infy_add (EV_P_ ev_stat *w) |
4742 | infy_add (EV_P_ ev_stat *w) |
4251 | { |
4743 | { |
4252 | w->wd = inotify_add_watch (fs_fd, w->path, |
4744 | w->wd = inotify_add_watch (fs_fd, w->path, |
4253 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4745 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4318 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4810 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4319 | ev_timer_again (EV_A_ &w->timer); |
4811 | ev_timer_again (EV_A_ &w->timer); |
4320 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4812 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4321 | } |
4813 | } |
4322 | |
4814 | |
4323 | noinline |
4815 | ecb_noinline |
4324 | static void |
4816 | static void |
4325 | infy_del (EV_P_ ev_stat *w) |
4817 | infy_del (EV_P_ ev_stat *w) |
4326 | { |
4818 | { |
4327 | int slot; |
4819 | int slot; |
4328 | int wd = w->wd; |
4820 | int wd = w->wd; |
… | |
… | |
4336 | |
4828 | |
4337 | /* remove this watcher, if others are watching it, they will rearm */ |
4829 | /* remove this watcher, if others are watching it, they will rearm */ |
4338 | inotify_rm_watch (fs_fd, wd); |
4830 | inotify_rm_watch (fs_fd, wd); |
4339 | } |
4831 | } |
4340 | |
4832 | |
4341 | noinline |
4833 | ecb_noinline |
4342 | static void |
4834 | static void |
4343 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4835 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4344 | { |
4836 | { |
4345 | if (slot < 0) |
4837 | if (slot < 0) |
4346 | /* overflow, need to check for all hash slots */ |
4838 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4484 | #else |
4976 | #else |
4485 | # define EV_LSTAT(p,b) lstat (p, b) |
4977 | # define EV_LSTAT(p,b) lstat (p, b) |
4486 | #endif |
4978 | #endif |
4487 | |
4979 | |
4488 | void |
4980 | void |
4489 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4981 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4490 | { |
4982 | { |
4491 | if (lstat (w->path, &w->attr) < 0) |
4983 | if (lstat (w->path, &w->attr) < 0) |
4492 | w->attr.st_nlink = 0; |
4984 | w->attr.st_nlink = 0; |
4493 | else if (!w->attr.st_nlink) |
4985 | else if (!w->attr.st_nlink) |
4494 | w->attr.st_nlink = 1; |
4986 | w->attr.st_nlink = 1; |
4495 | } |
4987 | } |
4496 | |
4988 | |
4497 | noinline |
4989 | ecb_noinline |
4498 | static void |
4990 | static void |
4499 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4991 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4500 | { |
4992 | { |
4501 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4993 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4502 | |
4994 | |
… | |
… | |
4534 | ev_feed_event (EV_A_ w, EV_STAT); |
5026 | ev_feed_event (EV_A_ w, EV_STAT); |
4535 | } |
5027 | } |
4536 | } |
5028 | } |
4537 | |
5029 | |
4538 | void |
5030 | void |
4539 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
5031 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4540 | { |
5032 | { |
4541 | if (expect_false (ev_is_active (w))) |
5033 | if (ecb_expect_false (ev_is_active (w))) |
4542 | return; |
5034 | return; |
4543 | |
5035 | |
4544 | ev_stat_stat (EV_A_ w); |
5036 | ev_stat_stat (EV_A_ w); |
4545 | |
5037 | |
4546 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
5038 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4565 | |
5057 | |
4566 | EV_FREQUENT_CHECK; |
5058 | EV_FREQUENT_CHECK; |
4567 | } |
5059 | } |
4568 | |
5060 | |
4569 | void |
5061 | void |
4570 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
5062 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4571 | { |
5063 | { |
4572 | clear_pending (EV_A_ (W)w); |
5064 | clear_pending (EV_A_ (W)w); |
4573 | if (expect_false (!ev_is_active (w))) |
5065 | if (ecb_expect_false (!ev_is_active (w))) |
4574 | return; |
5066 | return; |
4575 | |
5067 | |
4576 | EV_FREQUENT_CHECK; |
5068 | EV_FREQUENT_CHECK; |
4577 | |
5069 | |
4578 | #if EV_USE_INOTIFY |
5070 | #if EV_USE_INOTIFY |
… | |
… | |
4591 | } |
5083 | } |
4592 | #endif |
5084 | #endif |
4593 | |
5085 | |
4594 | #if EV_IDLE_ENABLE |
5086 | #if EV_IDLE_ENABLE |
4595 | void |
5087 | void |
4596 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
5088 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4597 | { |
5089 | { |
4598 | if (expect_false (ev_is_active (w))) |
5090 | if (ecb_expect_false (ev_is_active (w))) |
4599 | return; |
5091 | return; |
4600 | |
5092 | |
4601 | pri_adjust (EV_A_ (W)w); |
5093 | pri_adjust (EV_A_ (W)w); |
4602 | |
5094 | |
4603 | EV_FREQUENT_CHECK; |
5095 | EV_FREQUENT_CHECK; |
… | |
… | |
4606 | int active = ++idlecnt [ABSPRI (w)]; |
5098 | int active = ++idlecnt [ABSPRI (w)]; |
4607 | |
5099 | |
4608 | ++idleall; |
5100 | ++idleall; |
4609 | ev_start (EV_A_ (W)w, active); |
5101 | ev_start (EV_A_ (W)w, active); |
4610 | |
5102 | |
4611 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
5103 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4612 | idles [ABSPRI (w)][active - 1] = w; |
5104 | idles [ABSPRI (w)][active - 1] = w; |
4613 | } |
5105 | } |
4614 | |
5106 | |
4615 | EV_FREQUENT_CHECK; |
5107 | EV_FREQUENT_CHECK; |
4616 | } |
5108 | } |
4617 | |
5109 | |
4618 | void |
5110 | void |
4619 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
5111 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4620 | { |
5112 | { |
4621 | clear_pending (EV_A_ (W)w); |
5113 | clear_pending (EV_A_ (W)w); |
4622 | if (expect_false (!ev_is_active (w))) |
5114 | if (ecb_expect_false (!ev_is_active (w))) |
4623 | return; |
5115 | return; |
4624 | |
5116 | |
4625 | EV_FREQUENT_CHECK; |
5117 | EV_FREQUENT_CHECK; |
4626 | |
5118 | |
4627 | { |
5119 | { |
… | |
… | |
4638 | } |
5130 | } |
4639 | #endif |
5131 | #endif |
4640 | |
5132 | |
4641 | #if EV_PREPARE_ENABLE |
5133 | #if EV_PREPARE_ENABLE |
4642 | void |
5134 | void |
4643 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
5135 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4644 | { |
5136 | { |
4645 | if (expect_false (ev_is_active (w))) |
5137 | if (ecb_expect_false (ev_is_active (w))) |
4646 | return; |
5138 | return; |
4647 | |
5139 | |
4648 | EV_FREQUENT_CHECK; |
5140 | EV_FREQUENT_CHECK; |
4649 | |
5141 | |
4650 | ev_start (EV_A_ (W)w, ++preparecnt); |
5142 | ev_start (EV_A_ (W)w, ++preparecnt); |
4651 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
5143 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4652 | prepares [preparecnt - 1] = w; |
5144 | prepares [preparecnt - 1] = w; |
4653 | |
5145 | |
4654 | EV_FREQUENT_CHECK; |
5146 | EV_FREQUENT_CHECK; |
4655 | } |
5147 | } |
4656 | |
5148 | |
4657 | void |
5149 | void |
4658 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
5150 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4659 | { |
5151 | { |
4660 | clear_pending (EV_A_ (W)w); |
5152 | clear_pending (EV_A_ (W)w); |
4661 | if (expect_false (!ev_is_active (w))) |
5153 | if (ecb_expect_false (!ev_is_active (w))) |
4662 | return; |
5154 | return; |
4663 | |
5155 | |
4664 | EV_FREQUENT_CHECK; |
5156 | EV_FREQUENT_CHECK; |
4665 | |
5157 | |
4666 | { |
5158 | { |
… | |
… | |
4676 | } |
5168 | } |
4677 | #endif |
5169 | #endif |
4678 | |
5170 | |
4679 | #if EV_CHECK_ENABLE |
5171 | #if EV_CHECK_ENABLE |
4680 | void |
5172 | void |
4681 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
5173 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4682 | { |
5174 | { |
4683 | if (expect_false (ev_is_active (w))) |
5175 | if (ecb_expect_false (ev_is_active (w))) |
4684 | return; |
5176 | return; |
4685 | |
5177 | |
4686 | EV_FREQUENT_CHECK; |
5178 | EV_FREQUENT_CHECK; |
4687 | |
5179 | |
4688 | ev_start (EV_A_ (W)w, ++checkcnt); |
5180 | ev_start (EV_A_ (W)w, ++checkcnt); |
4689 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
5181 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4690 | checks [checkcnt - 1] = w; |
5182 | checks [checkcnt - 1] = w; |
4691 | |
5183 | |
4692 | EV_FREQUENT_CHECK; |
5184 | EV_FREQUENT_CHECK; |
4693 | } |
5185 | } |
4694 | |
5186 | |
4695 | void |
5187 | void |
4696 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
5188 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4697 | { |
5189 | { |
4698 | clear_pending (EV_A_ (W)w); |
5190 | clear_pending (EV_A_ (W)w); |
4699 | if (expect_false (!ev_is_active (w))) |
5191 | if (ecb_expect_false (!ev_is_active (w))) |
4700 | return; |
5192 | return; |
4701 | |
5193 | |
4702 | EV_FREQUENT_CHECK; |
5194 | EV_FREQUENT_CHECK; |
4703 | |
5195 | |
4704 | { |
5196 | { |
… | |
… | |
4713 | EV_FREQUENT_CHECK; |
5205 | EV_FREQUENT_CHECK; |
4714 | } |
5206 | } |
4715 | #endif |
5207 | #endif |
4716 | |
5208 | |
4717 | #if EV_EMBED_ENABLE |
5209 | #if EV_EMBED_ENABLE |
4718 | noinline |
5210 | ecb_noinline |
4719 | void |
5211 | void |
4720 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
5212 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4721 | { |
5213 | { |
4722 | ev_run (w->other, EVRUN_NOWAIT); |
5214 | ev_run (w->other, EVRUN_NOWAIT); |
4723 | } |
5215 | } |
4724 | |
5216 | |
4725 | static void |
5217 | static void |
… | |
… | |
4747 | ev_run (EV_A_ EVRUN_NOWAIT); |
5239 | ev_run (EV_A_ EVRUN_NOWAIT); |
4748 | } |
5240 | } |
4749 | } |
5241 | } |
4750 | } |
5242 | } |
4751 | |
5243 | |
|
|
5244 | #if EV_FORK_ENABLE |
4752 | static void |
5245 | static void |
4753 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
5246 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
4754 | { |
5247 | { |
4755 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
5248 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
4756 | |
5249 | |
… | |
… | |
4763 | ev_run (EV_A_ EVRUN_NOWAIT); |
5256 | ev_run (EV_A_ EVRUN_NOWAIT); |
4764 | } |
5257 | } |
4765 | |
5258 | |
4766 | ev_embed_start (EV_A_ w); |
5259 | ev_embed_start (EV_A_ w); |
4767 | } |
5260 | } |
|
|
5261 | #endif |
4768 | |
5262 | |
4769 | #if 0 |
5263 | #if 0 |
4770 | static void |
5264 | static void |
4771 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
5265 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
4772 | { |
5266 | { |
4773 | ev_idle_stop (EV_A_ idle); |
5267 | ev_idle_stop (EV_A_ idle); |
4774 | } |
5268 | } |
4775 | #endif |
5269 | #endif |
4776 | |
5270 | |
4777 | void |
5271 | void |
4778 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
5272 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4779 | { |
5273 | { |
4780 | if (expect_false (ev_is_active (w))) |
5274 | if (ecb_expect_false (ev_is_active (w))) |
4781 | return; |
5275 | return; |
4782 | |
5276 | |
4783 | { |
5277 | { |
4784 | EV_P = w->other; |
5278 | EV_P = w->other; |
4785 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
5279 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4793 | |
5287 | |
4794 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
5288 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
4795 | ev_set_priority (&w->prepare, EV_MINPRI); |
5289 | ev_set_priority (&w->prepare, EV_MINPRI); |
4796 | ev_prepare_start (EV_A_ &w->prepare); |
5290 | ev_prepare_start (EV_A_ &w->prepare); |
4797 | |
5291 | |
|
|
5292 | #if EV_FORK_ENABLE |
4798 | ev_fork_init (&w->fork, embed_fork_cb); |
5293 | ev_fork_init (&w->fork, embed_fork_cb); |
4799 | ev_fork_start (EV_A_ &w->fork); |
5294 | ev_fork_start (EV_A_ &w->fork); |
|
|
5295 | #endif |
4800 | |
5296 | |
4801 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
5297 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
4802 | |
5298 | |
4803 | ev_start (EV_A_ (W)w, 1); |
5299 | ev_start (EV_A_ (W)w, 1); |
4804 | |
5300 | |
4805 | EV_FREQUENT_CHECK; |
5301 | EV_FREQUENT_CHECK; |
4806 | } |
5302 | } |
4807 | |
5303 | |
4808 | void |
5304 | void |
4809 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
5305 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4810 | { |
5306 | { |
4811 | clear_pending (EV_A_ (W)w); |
5307 | clear_pending (EV_A_ (W)w); |
4812 | if (expect_false (!ev_is_active (w))) |
5308 | if (ecb_expect_false (!ev_is_active (w))) |
4813 | return; |
5309 | return; |
4814 | |
5310 | |
4815 | EV_FREQUENT_CHECK; |
5311 | EV_FREQUENT_CHECK; |
4816 | |
5312 | |
4817 | ev_io_stop (EV_A_ &w->io); |
5313 | ev_io_stop (EV_A_ &w->io); |
4818 | ev_prepare_stop (EV_A_ &w->prepare); |
5314 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
5315 | #if EV_FORK_ENABLE |
4819 | ev_fork_stop (EV_A_ &w->fork); |
5316 | ev_fork_stop (EV_A_ &w->fork); |
|
|
5317 | #endif |
4820 | |
5318 | |
4821 | ev_stop (EV_A_ (W)w); |
5319 | ev_stop (EV_A_ (W)w); |
4822 | |
5320 | |
4823 | EV_FREQUENT_CHECK; |
5321 | EV_FREQUENT_CHECK; |
4824 | } |
5322 | } |
4825 | #endif |
5323 | #endif |
4826 | |
5324 | |
4827 | #if EV_FORK_ENABLE |
5325 | #if EV_FORK_ENABLE |
4828 | void |
5326 | void |
4829 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
5327 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4830 | { |
5328 | { |
4831 | if (expect_false (ev_is_active (w))) |
5329 | if (ecb_expect_false (ev_is_active (w))) |
4832 | return; |
5330 | return; |
4833 | |
5331 | |
4834 | EV_FREQUENT_CHECK; |
5332 | EV_FREQUENT_CHECK; |
4835 | |
5333 | |
4836 | ev_start (EV_A_ (W)w, ++forkcnt); |
5334 | ev_start (EV_A_ (W)w, ++forkcnt); |
4837 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
5335 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4838 | forks [forkcnt - 1] = w; |
5336 | forks [forkcnt - 1] = w; |
4839 | |
5337 | |
4840 | EV_FREQUENT_CHECK; |
5338 | EV_FREQUENT_CHECK; |
4841 | } |
5339 | } |
4842 | |
5340 | |
4843 | void |
5341 | void |
4844 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
5342 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4845 | { |
5343 | { |
4846 | clear_pending (EV_A_ (W)w); |
5344 | clear_pending (EV_A_ (W)w); |
4847 | if (expect_false (!ev_is_active (w))) |
5345 | if (ecb_expect_false (!ev_is_active (w))) |
4848 | return; |
5346 | return; |
4849 | |
5347 | |
4850 | EV_FREQUENT_CHECK; |
5348 | EV_FREQUENT_CHECK; |
4851 | |
5349 | |
4852 | { |
5350 | { |
… | |
… | |
4862 | } |
5360 | } |
4863 | #endif |
5361 | #endif |
4864 | |
5362 | |
4865 | #if EV_CLEANUP_ENABLE |
5363 | #if EV_CLEANUP_ENABLE |
4866 | void |
5364 | void |
4867 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
5365 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4868 | { |
5366 | { |
4869 | if (expect_false (ev_is_active (w))) |
5367 | if (ecb_expect_false (ev_is_active (w))) |
4870 | return; |
5368 | return; |
4871 | |
5369 | |
4872 | EV_FREQUENT_CHECK; |
5370 | EV_FREQUENT_CHECK; |
4873 | |
5371 | |
4874 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5372 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4875 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
5373 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4876 | cleanups [cleanupcnt - 1] = w; |
5374 | cleanups [cleanupcnt - 1] = w; |
4877 | |
5375 | |
4878 | /* cleanup watchers should never keep a refcount on the loop */ |
5376 | /* cleanup watchers should never keep a refcount on the loop */ |
4879 | ev_unref (EV_A); |
5377 | ev_unref (EV_A); |
4880 | EV_FREQUENT_CHECK; |
5378 | EV_FREQUENT_CHECK; |
4881 | } |
5379 | } |
4882 | |
5380 | |
4883 | void |
5381 | void |
4884 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
5382 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4885 | { |
5383 | { |
4886 | clear_pending (EV_A_ (W)w); |
5384 | clear_pending (EV_A_ (W)w); |
4887 | if (expect_false (!ev_is_active (w))) |
5385 | if (ecb_expect_false (!ev_is_active (w))) |
4888 | return; |
5386 | return; |
4889 | |
5387 | |
4890 | EV_FREQUENT_CHECK; |
5388 | EV_FREQUENT_CHECK; |
4891 | ev_ref (EV_A); |
5389 | ev_ref (EV_A); |
4892 | |
5390 | |
… | |
… | |
4903 | } |
5401 | } |
4904 | #endif |
5402 | #endif |
4905 | |
5403 | |
4906 | #if EV_ASYNC_ENABLE |
5404 | #if EV_ASYNC_ENABLE |
4907 | void |
5405 | void |
4908 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
5406 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4909 | { |
5407 | { |
4910 | if (expect_false (ev_is_active (w))) |
5408 | if (ecb_expect_false (ev_is_active (w))) |
4911 | return; |
5409 | return; |
4912 | |
5410 | |
4913 | w->sent = 0; |
5411 | w->sent = 0; |
4914 | |
5412 | |
4915 | evpipe_init (EV_A); |
5413 | evpipe_init (EV_A); |
4916 | |
5414 | |
4917 | EV_FREQUENT_CHECK; |
5415 | EV_FREQUENT_CHECK; |
4918 | |
5416 | |
4919 | ev_start (EV_A_ (W)w, ++asynccnt); |
5417 | ev_start (EV_A_ (W)w, ++asynccnt); |
4920 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
5418 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4921 | asyncs [asynccnt - 1] = w; |
5419 | asyncs [asynccnt - 1] = w; |
4922 | |
5420 | |
4923 | EV_FREQUENT_CHECK; |
5421 | EV_FREQUENT_CHECK; |
4924 | } |
5422 | } |
4925 | |
5423 | |
4926 | void |
5424 | void |
4927 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
5425 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4928 | { |
5426 | { |
4929 | clear_pending (EV_A_ (W)w); |
5427 | clear_pending (EV_A_ (W)w); |
4930 | if (expect_false (!ev_is_active (w))) |
5428 | if (ecb_expect_false (!ev_is_active (w))) |
4931 | return; |
5429 | return; |
4932 | |
5430 | |
4933 | EV_FREQUENT_CHECK; |
5431 | EV_FREQUENT_CHECK; |
4934 | |
5432 | |
4935 | { |
5433 | { |
… | |
… | |
4943 | |
5441 | |
4944 | EV_FREQUENT_CHECK; |
5442 | EV_FREQUENT_CHECK; |
4945 | } |
5443 | } |
4946 | |
5444 | |
4947 | void |
5445 | void |
4948 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
5446 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4949 | { |
5447 | { |
4950 | w->sent = 1; |
5448 | w->sent = 1; |
4951 | evpipe_write (EV_A_ &async_pending); |
5449 | evpipe_write (EV_A_ &async_pending); |
4952 | } |
5450 | } |
4953 | #endif |
5451 | #endif |
… | |
… | |
4990 | |
5488 | |
4991 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5489 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4992 | } |
5490 | } |
4993 | |
5491 | |
4994 | void |
5492 | void |
4995 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5493 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4996 | { |
5494 | { |
4997 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5495 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4998 | |
|
|
4999 | if (expect_false (!once)) |
|
|
5000 | { |
|
|
5001 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
5002 | return; |
|
|
5003 | } |
|
|
5004 | |
5496 | |
5005 | once->cb = cb; |
5497 | once->cb = cb; |
5006 | once->arg = arg; |
5498 | once->arg = arg; |
5007 | |
5499 | |
5008 | ev_init (&once->io, once_cb_io); |
5500 | ev_init (&once->io, once_cb_io); |
… | |
… | |
5023 | /*****************************************************************************/ |
5515 | /*****************************************************************************/ |
5024 | |
5516 | |
5025 | #if EV_WALK_ENABLE |
5517 | #if EV_WALK_ENABLE |
5026 | ecb_cold |
5518 | ecb_cold |
5027 | void |
5519 | void |
5028 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5520 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
5029 | { |
5521 | { |
5030 | int i, j; |
5522 | int i, j; |
5031 | ev_watcher_list *wl, *wn; |
5523 | ev_watcher_list *wl, *wn; |
5032 | |
5524 | |
5033 | if (types & (EV_IO | EV_EMBED)) |
5525 | if (types & (EV_IO | EV_EMBED)) |