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) 2007-2019 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 | * |
… | |
… | |
115 | # else |
115 | # else |
116 | # undef EV_USE_EPOLL |
116 | # undef EV_USE_EPOLL |
117 | # define EV_USE_EPOLL 0 |
117 | # define EV_USE_EPOLL 0 |
118 | # endif |
118 | # endif |
119 | |
119 | |
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120 | # if HAVE_LINUX_AIO_ABI_H |
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121 | # ifndef EV_USE_LINUXAIO |
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122 | # define EV_USE_LINUXAIO EV_FEATURE_BACKENDS |
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123 | # endif |
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124 | # else |
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125 | # undef EV_USE_LINUXAIO |
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126 | # define EV_USE_LINUXAIO 0 |
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127 | # endif |
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128 | |
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
129 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
121 | # ifndef EV_USE_KQUEUE |
130 | # ifndef EV_USE_KQUEUE |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
131 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
123 | # endif |
132 | # endif |
124 | # else |
133 | # else |
… | |
… | |
162 | # define EV_USE_EVENTFD 0 |
171 | # define EV_USE_EVENTFD 0 |
163 | # endif |
172 | # endif |
164 | |
173 | |
165 | #endif |
174 | #endif |
166 | |
175 | |
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176 | /* OS X, in its infinite idiocy, actually HARDCODES |
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177 | * a limit of 1024 into their select. Where people have brains, |
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178 | * OS X engineers apparently have a vacuum. Or maybe they were |
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179 | * ordered to have a vacuum, or they do anything for money. |
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180 | * This might help. Or not. |
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181 | * Note that this must be defined early, as other include files |
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182 | * will rely on this define as well. |
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183 | */ |
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184 | #define _DARWIN_UNLIMITED_SELECT 1 |
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185 | |
167 | #include <stdlib.h> |
186 | #include <stdlib.h> |
168 | #include <string.h> |
187 | #include <string.h> |
169 | #include <fcntl.h> |
188 | #include <fcntl.h> |
170 | #include <stddef.h> |
189 | #include <stddef.h> |
171 | |
190 | |
… | |
… | |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
227 | # ifndef EV_SELECT_IS_WINSOCKET |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
228 | # define EV_SELECT_IS_WINSOCKET 1 |
210 | # endif |
229 | # endif |
211 | # undef EV_AVOID_STDIO |
230 | # undef EV_AVOID_STDIO |
212 | #endif |
231 | #endif |
213 | |
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|
214 | /* OS X, in its infinite idiocy, actually HARDCODES |
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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 | |
232 | |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
233 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
223 | |
234 | |
224 | /* try to deduce the maximum number of signals on this platform */ |
235 | /* try to deduce the maximum number of signals on this platform */ |
225 | #if defined EV_NSIG |
236 | #if defined EV_NSIG |
… | |
… | |
313 | |
324 | |
314 | #ifndef EV_USE_PORT |
325 | #ifndef EV_USE_PORT |
315 | # define EV_USE_PORT 0 |
326 | # define EV_USE_PORT 0 |
316 | #endif |
327 | #endif |
317 | |
328 | |
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329 | #ifndef EV_USE_LINUXAIO |
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330 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
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331 | # define EV_USE_LINUXAIO 1 |
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332 | # else |
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333 | # define EV_USE_LINUXAIO 0 |
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334 | # endif |
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335 | #endif |
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336 | |
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337 | #ifndef EV_USE_IOURING |
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338 | # if __linux |
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339 | # define EV_USE_IOURING 0 |
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340 | # else |
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341 | # define EV_USE_IOURING 0 |
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342 | # endif |
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343 | #endif |
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344 | |
318 | #ifndef EV_USE_INOTIFY |
345 | #ifndef EV_USE_INOTIFY |
319 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
346 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
320 | # define EV_USE_INOTIFY EV_FEATURE_OS |
347 | # define EV_USE_INOTIFY EV_FEATURE_OS |
321 | # else |
348 | # else |
322 | # define EV_USE_INOTIFY 0 |
349 | # define EV_USE_INOTIFY 0 |
… | |
… | |
387 | # include <sys/syscall.h> |
414 | # include <sys/syscall.h> |
388 | # ifdef SYS_clock_gettime |
415 | # ifdef SYS_clock_gettime |
389 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
416 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
390 | # undef EV_USE_MONOTONIC |
417 | # undef EV_USE_MONOTONIC |
391 | # define EV_USE_MONOTONIC 1 |
418 | # define EV_USE_MONOTONIC 1 |
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419 | # define EV_NEED_SYSCALL 1 |
392 | # else |
420 | # else |
393 | # undef EV_USE_CLOCK_SYSCALL |
421 | # undef EV_USE_CLOCK_SYSCALL |
394 | # define EV_USE_CLOCK_SYSCALL 0 |
422 | # define EV_USE_CLOCK_SYSCALL 0 |
395 | # endif |
423 | # endif |
396 | #endif |
424 | #endif |
… | |
… | |
414 | |
442 | |
415 | #if !EV_USE_NANOSLEEP |
443 | #if !EV_USE_NANOSLEEP |
416 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
444 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
417 | # if !defined _WIN32 && !defined __hpux |
445 | # if !defined _WIN32 && !defined __hpux |
418 | # include <sys/select.h> |
446 | # include <sys/select.h> |
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447 | # endif |
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448 | #endif |
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449 | |
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450 | #if EV_USE_LINUXAIO |
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451 | # include <sys/syscall.h> |
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452 | # if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */ |
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453 | # define EV_NEED_SYSCALL 1 |
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454 | # else |
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455 | # undef EV_USE_LINUXAIO |
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456 | # define EV_USE_LINUXAIO 0 |
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457 | # endif |
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458 | #endif |
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459 | |
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460 | #if EV_USE_IOURING |
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461 | # include <sys/syscall.h> |
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462 | # if !SYS_io_uring_setup && __linux && !__alpha |
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463 | # define SYS_io_uring_setup 425 |
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464 | # define SYS_io_uring_enter 426 |
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465 | # define SYS_io_uring_wregister 427 |
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466 | # endif |
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467 | # if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */ |
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468 | # define EV_NEED_SYSCALL 1 |
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469 | # else |
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470 | # undef EV_USE_IOURING |
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471 | # define EV_USE_IOURING 0 |
419 | # endif |
472 | # endif |
420 | #endif |
473 | #endif |
421 | |
474 | |
422 | #if EV_USE_INOTIFY |
475 | #if EV_USE_INOTIFY |
423 | # include <sys/statfs.h> |
476 | # include <sys/statfs.h> |
… | |
… | |
465 | uint32_t ssi_signo; |
518 | uint32_t ssi_signo; |
466 | char pad[128 - sizeof (uint32_t)]; |
519 | char pad[128 - sizeof (uint32_t)]; |
467 | }; |
520 | }; |
468 | #endif |
521 | #endif |
469 | |
522 | |
470 | /**/ |
523 | /*****************************************************************************/ |
471 | |
524 | |
472 | #if EV_VERIFY >= 3 |
525 | #if EV_VERIFY >= 3 |
473 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
526 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
474 | #else |
527 | #else |
475 | # define EV_FREQUENT_CHECK do { } while (0) |
528 | # define EV_FREQUENT_CHECK do { } while (0) |
… | |
… | |
480 | * This value is good at least till the year 4000. |
533 | * This value is good at least till the year 4000. |
481 | */ |
534 | */ |
482 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
535 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
483 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
536 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
484 | |
537 | |
485 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
538 | #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) */ |
539 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
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540 | |
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541 | /* find a portable timestamp that is "alawys" in the future but fits into time_t. |
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542 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
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543 | * and sizes large than 32 bit, but and maybe the unlikely loating point time_t */ |
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544 | #define EV_TSTAMP_HUGE \ |
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545 | (sizeof (time_t) >= 8 ? 10000000000000. \ |
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546 | : 0 < (time_t)4294967295 ? 4294967295. \ |
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547 | : 2147483647.) \ |
487 | |
548 | |
488 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
549 | #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) |
550 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
490 | |
551 | |
491 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
552 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
… | |
… | |
532 | |
593 | |
533 | #ifndef ECB_H |
594 | #ifndef ECB_H |
534 | #define ECB_H |
595 | #define ECB_H |
535 | |
596 | |
536 | /* 16 bits major, 16 bits minor */ |
597 | /* 16 bits major, 16 bits minor */ |
537 | #define ECB_VERSION 0x00010005 |
598 | #define ECB_VERSION 0x00010006 |
538 | |
599 | |
539 | #ifdef _WIN32 |
600 | #ifdef _WIN32 |
540 | typedef signed char int8_t; |
601 | typedef signed char int8_t; |
541 | typedef unsigned char uint8_t; |
602 | typedef unsigned char uint8_t; |
542 | typedef signed short int16_t; |
603 | typedef signed short int16_t; |
… | |
… | |
607 | #define ECB_CLANG_EXTENSION(x) 0 |
668 | #define ECB_CLANG_EXTENSION(x) 0 |
608 | #endif |
669 | #endif |
609 | |
670 | |
610 | #define ECB_CPP (__cplusplus+0) |
671 | #define ECB_CPP (__cplusplus+0) |
611 | #define ECB_CPP11 (__cplusplus >= 201103L) |
672 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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|
673 | #define ECB_CPP14 (__cplusplus >= 201402L) |
|
|
674 | #define ECB_CPP17 (__cplusplus >= 201703L) |
612 | |
675 | |
613 | #if ECB_CPP |
676 | #if ECB_CPP |
614 | #define ECB_C 0 |
677 | #define ECB_C 0 |
615 | #define ECB_STDC_VERSION 0 |
678 | #define ECB_STDC_VERSION 0 |
616 | #else |
679 | #else |
… | |
… | |
618 | #define ECB_STDC_VERSION __STDC_VERSION__ |
681 | #define ECB_STDC_VERSION __STDC_VERSION__ |
619 | #endif |
682 | #endif |
620 | |
683 | |
621 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
684 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
622 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
685 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
|
|
686 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
623 | |
687 | |
624 | #if ECB_CPP |
688 | #if ECB_CPP |
625 | #define ECB_EXTERN_C extern "C" |
689 | #define ECB_EXTERN_C extern "C" |
626 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
690 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
627 | #define ECB_EXTERN_C_END } |
691 | #define ECB_EXTERN_C_END } |
… | |
… | |
653 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
717 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
654 | #endif |
718 | #endif |
655 | |
719 | |
656 | #ifndef ECB_MEMORY_FENCE |
720 | #ifndef ECB_MEMORY_FENCE |
657 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
721 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
722 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
658 | #if __i386 || __i386__ |
723 | #if __i386 || __i386__ |
659 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
724 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
660 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
725 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
661 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
726 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
662 | #elif ECB_GCC_AMD64 |
727 | #elif ECB_GCC_AMD64 |
663 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
728 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
664 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
729 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
665 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
730 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
666 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
731 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
667 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
732 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
668 | #elif defined __ARM_ARCH_2__ \ |
733 | #elif defined __ARM_ARCH_2__ \ |
669 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
734 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
670 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
735 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
… | |
… | |
712 | #if ECB_GCC_VERSION(4,7) |
777 | #if ECB_GCC_VERSION(4,7) |
713 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
778 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
714 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
779 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
715 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
780 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
716 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
781 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
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|
782 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
717 | |
783 | |
718 | #elif ECB_CLANG_EXTENSION(c_atomic) |
784 | #elif ECB_CLANG_EXTENSION(c_atomic) |
719 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
785 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
720 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
786 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
721 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
787 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
722 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
788 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
789 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
723 | |
790 | |
724 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
791 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
725 | #define ECB_MEMORY_FENCE __sync_synchronize () |
792 | #define ECB_MEMORY_FENCE __sync_synchronize () |
726 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
793 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
727 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
794 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
737 | #elif defined _WIN32 |
804 | #elif defined _WIN32 |
738 | #include <WinNT.h> |
805 | #include <WinNT.h> |
739 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
806 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
740 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
807 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
741 | #include <mbarrier.h> |
808 | #include <mbarrier.h> |
742 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
809 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
743 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
810 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
744 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
811 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
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|
812 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
745 | #elif __xlC__ |
813 | #elif __xlC__ |
746 | #define ECB_MEMORY_FENCE __sync () |
814 | #define ECB_MEMORY_FENCE __sync () |
747 | #endif |
815 | #endif |
748 | #endif |
816 | #endif |
749 | |
817 | |
750 | #ifndef ECB_MEMORY_FENCE |
818 | #ifndef ECB_MEMORY_FENCE |
751 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
819 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
752 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
820 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
753 | /* not just C11 atomics and atomic accesses */ |
821 | /* not just C11 atomics and atomic accesses */ |
754 | #include <stdatomic.h> |
822 | #include <stdatomic.h> |
755 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
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|
756 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
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|
757 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
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|
758 | /* for most usages, or gcc and clang have a bug */ |
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|
759 | /* I *currently* lean towards the latter, and inefficiently implement */ |
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|
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 */ |
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|
763 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
823 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
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|
824 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
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|
825 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
764 | #endif |
826 | #endif |
765 | #endif |
827 | #endif |
766 | |
828 | |
767 | #ifndef ECB_MEMORY_FENCE |
829 | #ifndef ECB_MEMORY_FENCE |
768 | #if !ECB_AVOID_PTHREADS |
830 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
786 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
848 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
787 | #endif |
849 | #endif |
788 | |
850 | |
789 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
851 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
790 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
852 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
853 | #endif |
|
|
854 | |
|
|
855 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
856 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
791 | #endif |
857 | #endif |
792 | |
858 | |
793 | /*****************************************************************************/ |
859 | /*****************************************************************************/ |
794 | |
860 | |
795 | #if ECB_CPP |
861 | #if ECB_CPP |
… | |
… | |
1504 | /* ECB.H END */ |
1570 | /* ECB.H END */ |
1505 | |
1571 | |
1506 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1572 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1507 | /* if your architecture doesn't need memory fences, e.g. because it is |
1573 | /* 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 |
1574 | * 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 |
1575 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
1510 | * libev, in which cases the memory fences become nops. |
1576 | * libev, in which cases the memory fences become nops. |
1511 | * alternatively, you can remove this #error and link against libpthread, |
1577 | * alternatively, you can remove this #error and link against libpthread, |
1512 | * which will then provide the memory fences. |
1578 | * which will then provide the memory fences. |
1513 | */ |
1579 | */ |
1514 | # error "memory fences not defined for your architecture, please report" |
1580 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1518 | # define ECB_MEMORY_FENCE do { } while (0) |
1584 | # define ECB_MEMORY_FENCE do { } while (0) |
1519 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1585 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1520 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1586 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1521 | #endif |
1587 | #endif |
1522 | |
1588 | |
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 |
1589 | #define inline_size ecb_inline |
1528 | |
1590 | |
1529 | #if EV_FEATURE_CODE |
1591 | #if EV_FEATURE_CODE |
1530 | # define inline_speed ecb_inline |
1592 | # define inline_speed ecb_inline |
1531 | #else |
1593 | #else |
1532 | # define inline_speed noinline static |
1594 | # define inline_speed ecb_noinline static |
1533 | #endif |
1595 | #endif |
|
|
1596 | |
|
|
1597 | /*****************************************************************************/ |
|
|
1598 | /* raw syscall wrappers */ |
|
|
1599 | |
|
|
1600 | #if EV_NEED_SYSCALL |
|
|
1601 | |
|
|
1602 | #include <sys/syscall.h> |
|
|
1603 | |
|
|
1604 | /* |
|
|
1605 | * define some syscall wrappers for common architectures |
|
|
1606 | * this is mostly for nice looks during debugging, not performance. |
|
|
1607 | * our syscalls return < 0, not == -1, on error. which is good |
|
|
1608 | * enough for linux aio. |
|
|
1609 | * TODO: arm is also common nowadays, maybe even mips and x86 |
|
|
1610 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
|
|
1611 | */ |
|
|
1612 | #if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__ |
|
|
1613 | /* the costly errno access probably kills this for size optimisation */ |
|
|
1614 | |
|
|
1615 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
|
|
1616 | ({ \ |
|
|
1617 | long res; \ |
|
|
1618 | register unsigned long r6 __asm__ ("r9" ); \ |
|
|
1619 | register unsigned long r5 __asm__ ("r8" ); \ |
|
|
1620 | register unsigned long r4 __asm__ ("r10"); \ |
|
|
1621 | register unsigned long r3 __asm__ ("rdx"); \ |
|
|
1622 | register unsigned long r2 __asm__ ("rsi"); \ |
|
|
1623 | register unsigned long r1 __asm__ ("rdi"); \ |
|
|
1624 | if (narg >= 6) r6 = (unsigned long)(arg6); \ |
|
|
1625 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
|
|
1626 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
|
|
1627 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
|
|
1628 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
|
|
1629 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
|
|
1630 | __asm__ __volatile__ ( \ |
|
|
1631 | "syscall\n\t" \ |
|
|
1632 | : "=a" (res) \ |
|
|
1633 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
|
|
1634 | : "cc", "r11", "cx", "memory"); \ |
|
|
1635 | errno = -res; \ |
|
|
1636 | res; \ |
|
|
1637 | }) |
|
|
1638 | |
|
|
1639 | #endif |
|
|
1640 | |
|
|
1641 | #ifdef ev_syscall |
|
|
1642 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0) |
|
|
1643 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0) |
|
|
1644 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0) |
|
|
1645 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0) |
|
|
1646 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0) |
|
|
1647 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0) |
|
|
1648 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1649 | #else |
|
|
1650 | #define ev_syscall0(nr) syscall (nr) |
|
|
1651 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
|
|
1652 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
|
|
1653 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
|
|
1654 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
|
|
1655 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
|
|
1656 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1657 | #endif |
|
|
1658 | |
|
|
1659 | #endif |
|
|
1660 | |
|
|
1661 | /*****************************************************************************/ |
1534 | |
1662 | |
1535 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1663 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1536 | |
1664 | |
1537 | #if EV_MINPRI == EV_MAXPRI |
1665 | #if EV_MINPRI == EV_MAXPRI |
1538 | # define ABSPRI(w) (((W)w), 0) |
1666 | # define ABSPRI(w) (((W)w), 0) |
1539 | #else |
1667 | #else |
1540 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1668 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1541 | #endif |
1669 | #endif |
1542 | |
1670 | |
1543 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1671 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1544 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1545 | |
1672 | |
1546 | typedef ev_watcher *W; |
1673 | typedef ev_watcher *W; |
1547 | typedef ev_watcher_list *WL; |
1674 | typedef ev_watcher_list *WL; |
1548 | typedef ev_watcher_time *WT; |
1675 | typedef ev_watcher_time *WT; |
1549 | |
1676 | |
… | |
… | |
1574 | # include "ev_win32.c" |
1701 | # include "ev_win32.c" |
1575 | #endif |
1702 | #endif |
1576 | |
1703 | |
1577 | /*****************************************************************************/ |
1704 | /*****************************************************************************/ |
1578 | |
1705 | |
|
|
1706 | #if EV_USE_LINUXAIO |
|
|
1707 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1708 | #endif |
|
|
1709 | |
1579 | /* define a suitable floor function (only used by periodics atm) */ |
1710 | /* define a suitable floor function (only used by periodics atm) */ |
1580 | |
1711 | |
1581 | #if EV_USE_FLOOR |
1712 | #if EV_USE_FLOOR |
1582 | # include <math.h> |
1713 | # include <math.h> |
1583 | # define ev_floor(v) floor (v) |
1714 | # define ev_floor(v) floor (v) |
1584 | #else |
1715 | #else |
1585 | |
1716 | |
1586 | #include <float.h> |
1717 | #include <float.h> |
1587 | |
1718 | |
1588 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1719 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1589 | noinline |
1720 | ecb_noinline |
1590 | static ev_tstamp |
1721 | static ev_tstamp |
1591 | ev_floor (ev_tstamp v) |
1722 | ev_floor (ev_tstamp v) |
1592 | { |
1723 | { |
1593 | /* the choice of shift factor is not terribly important */ |
1724 | /* the choice of shift factor is not terribly important */ |
1594 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1725 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
… | |
… | |
1596 | #else |
1727 | #else |
1597 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1728 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1598 | #endif |
1729 | #endif |
1599 | |
1730 | |
1600 | /* argument too large for an unsigned long? */ |
1731 | /* argument too large for an unsigned long? */ |
1601 | if (expect_false (v >= shift)) |
1732 | if (ecb_expect_false (v >= shift)) |
1602 | { |
1733 | { |
1603 | ev_tstamp f; |
1734 | ev_tstamp f; |
1604 | |
1735 | |
1605 | if (v == v - 1.) |
1736 | if (v == v - 1.) |
1606 | return v; /* very large number */ |
1737 | return v; /* very large number */ |
… | |
… | |
1608 | f = shift * ev_floor (v * (1. / shift)); |
1739 | f = shift * ev_floor (v * (1. / shift)); |
1609 | return f + ev_floor (v - f); |
1740 | return f + ev_floor (v - f); |
1610 | } |
1741 | } |
1611 | |
1742 | |
1612 | /* special treatment for negative args? */ |
1743 | /* special treatment for negative args? */ |
1613 | if (expect_false (v < 0.)) |
1744 | if (ecb_expect_false (v < 0.)) |
1614 | { |
1745 | { |
1615 | ev_tstamp f = -ev_floor (-v); |
1746 | ev_tstamp f = -ev_floor (-v); |
1616 | |
1747 | |
1617 | return f - (f == v ? 0 : 1); |
1748 | return f - (f == v ? 0 : 1); |
1618 | } |
1749 | } |
… | |
… | |
1627 | |
1758 | |
1628 | #ifdef __linux |
1759 | #ifdef __linux |
1629 | # include <sys/utsname.h> |
1760 | # include <sys/utsname.h> |
1630 | #endif |
1761 | #endif |
1631 | |
1762 | |
1632 | noinline ecb_cold |
1763 | ecb_noinline ecb_cold |
1633 | static unsigned int |
1764 | static unsigned int |
1634 | ev_linux_version (void) |
1765 | ev_linux_version (void) |
1635 | { |
1766 | { |
1636 | #ifdef __linux |
1767 | #ifdef __linux |
1637 | unsigned int v = 0; |
1768 | unsigned int v = 0; |
… | |
… | |
1667 | } |
1798 | } |
1668 | |
1799 | |
1669 | /*****************************************************************************/ |
1800 | /*****************************************************************************/ |
1670 | |
1801 | |
1671 | #if EV_AVOID_STDIO |
1802 | #if EV_AVOID_STDIO |
1672 | noinline ecb_cold |
1803 | ecb_noinline ecb_cold |
1673 | static void |
1804 | static void |
1674 | ev_printerr (const char *msg) |
1805 | ev_printerr (const char *msg) |
1675 | { |
1806 | { |
1676 | write (STDERR_FILENO, msg, strlen (msg)); |
1807 | write (STDERR_FILENO, msg, strlen (msg)); |
1677 | } |
1808 | } |
1678 | #endif |
1809 | #endif |
1679 | |
1810 | |
1680 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1811 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1681 | |
1812 | |
1682 | ecb_cold |
1813 | ecb_cold |
1683 | void |
1814 | void |
1684 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1815 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1685 | { |
1816 | { |
1686 | syserr_cb = cb; |
1817 | syserr_cb = cb; |
1687 | } |
1818 | } |
1688 | |
1819 | |
1689 | noinline ecb_cold |
1820 | ecb_noinline ecb_cold |
1690 | static void |
1821 | static void |
1691 | ev_syserr (const char *msg) |
1822 | ev_syserr (const char *msg) |
1692 | { |
1823 | { |
1693 | if (!msg) |
1824 | if (!msg) |
1694 | msg = "(libev) system error"; |
1825 | msg = "(libev) system error"; |
… | |
… | |
1708 | abort (); |
1839 | abort (); |
1709 | } |
1840 | } |
1710 | } |
1841 | } |
1711 | |
1842 | |
1712 | static void * |
1843 | static void * |
1713 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1844 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1714 | { |
1845 | { |
1715 | /* some systems, notably openbsd and darwin, fail to properly |
1846 | /* some systems, notably openbsd and darwin, fail to properly |
1716 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1847 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1717 | * the single unix specification, so work around them here. |
1848 | * the single unix specification, so work around them here. |
1718 | * recently, also (at least) fedora and debian started breaking it, |
1849 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1724 | |
1855 | |
1725 | free (ptr); |
1856 | free (ptr); |
1726 | return 0; |
1857 | return 0; |
1727 | } |
1858 | } |
1728 | |
1859 | |
1729 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1860 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1730 | |
1861 | |
1731 | ecb_cold |
1862 | ecb_cold |
1732 | void |
1863 | void |
1733 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1864 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1734 | { |
1865 | { |
1735 | alloc = cb; |
1866 | alloc = cb; |
1736 | } |
1867 | } |
1737 | |
1868 | |
1738 | inline_speed void * |
1869 | inline_speed void * |
… | |
… | |
1765 | typedef struct |
1896 | typedef struct |
1766 | { |
1897 | { |
1767 | WL head; |
1898 | WL head; |
1768 | unsigned char events; /* the events watched for */ |
1899 | unsigned char events; /* the events watched for */ |
1769 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1900 | 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 */ |
1901 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1771 | unsigned char unused; |
1902 | unsigned char eflags; /* flags field for use by backends */ |
1772 | #if EV_USE_EPOLL |
1903 | #if EV_USE_EPOLL |
1773 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1904 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1774 | #endif |
1905 | #endif |
1775 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1906 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1776 | SOCKET handle; |
1907 | SOCKET handle; |
… | |
… | |
1840 | static int ev_default_loop_ptr; |
1971 | static int ev_default_loop_ptr; |
1841 | |
1972 | |
1842 | #endif |
1973 | #endif |
1843 | |
1974 | |
1844 | #if EV_FEATURE_API |
1975 | #if EV_FEATURE_API |
1845 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
1976 | # 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) |
1977 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1847 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1978 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1848 | #else |
1979 | #else |
1849 | # define EV_RELEASE_CB (void)0 |
1980 | # define EV_RELEASE_CB (void)0 |
1850 | # define EV_ACQUIRE_CB (void)0 |
1981 | # define EV_ACQUIRE_CB (void)0 |
1851 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
1982 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1855 | |
1986 | |
1856 | /*****************************************************************************/ |
1987 | /*****************************************************************************/ |
1857 | |
1988 | |
1858 | #ifndef EV_HAVE_EV_TIME |
1989 | #ifndef EV_HAVE_EV_TIME |
1859 | ev_tstamp |
1990 | ev_tstamp |
1860 | ev_time (void) EV_THROW |
1991 | ev_time (void) EV_NOEXCEPT |
1861 | { |
1992 | { |
1862 | #if EV_USE_REALTIME |
1993 | #if EV_USE_REALTIME |
1863 | if (expect_true (have_realtime)) |
1994 | if (ecb_expect_true (have_realtime)) |
1864 | { |
1995 | { |
1865 | struct timespec ts; |
1996 | struct timespec ts; |
1866 | clock_gettime (CLOCK_REALTIME, &ts); |
1997 | clock_gettime (CLOCK_REALTIME, &ts); |
1867 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1998 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1868 | } |
1999 | } |
… | |
… | |
1876 | |
2007 | |
1877 | inline_size ev_tstamp |
2008 | inline_size ev_tstamp |
1878 | get_clock (void) |
2009 | get_clock (void) |
1879 | { |
2010 | { |
1880 | #if EV_USE_MONOTONIC |
2011 | #if EV_USE_MONOTONIC |
1881 | if (expect_true (have_monotonic)) |
2012 | if (ecb_expect_true (have_monotonic)) |
1882 | { |
2013 | { |
1883 | struct timespec ts; |
2014 | struct timespec ts; |
1884 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2015 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1885 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2016 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1886 | } |
2017 | } |
… | |
… | |
1889 | return ev_time (); |
2020 | return ev_time (); |
1890 | } |
2021 | } |
1891 | |
2022 | |
1892 | #if EV_MULTIPLICITY |
2023 | #if EV_MULTIPLICITY |
1893 | ev_tstamp |
2024 | ev_tstamp |
1894 | ev_now (EV_P) EV_THROW |
2025 | ev_now (EV_P) EV_NOEXCEPT |
1895 | { |
2026 | { |
1896 | return ev_rt_now; |
2027 | return ev_rt_now; |
1897 | } |
2028 | } |
1898 | #endif |
2029 | #endif |
1899 | |
2030 | |
1900 | void |
2031 | void |
1901 | ev_sleep (ev_tstamp delay) EV_THROW |
2032 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1902 | { |
2033 | { |
1903 | if (delay > 0.) |
2034 | if (delay > 0.) |
1904 | { |
2035 | { |
1905 | #if EV_USE_NANOSLEEP |
2036 | #if EV_USE_NANOSLEEP |
1906 | struct timespec ts; |
2037 | struct timespec ts; |
1907 | |
2038 | |
1908 | EV_TS_SET (ts, delay); |
2039 | EV_TS_SET (ts, delay); |
1909 | nanosleep (&ts, 0); |
2040 | nanosleep (&ts, 0); |
1910 | #elif defined _WIN32 |
2041 | #elif defined _WIN32 |
|
|
2042 | /* maybe this should round up, as ms is very low resolution */ |
|
|
2043 | /* compared to select (µs) or nanosleep (ns) */ |
1911 | Sleep ((unsigned long)(delay * 1e3)); |
2044 | Sleep ((unsigned long)(delay * 1e3)); |
1912 | #else |
2045 | #else |
1913 | struct timeval tv; |
2046 | struct timeval tv; |
1914 | |
2047 | |
1915 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2048 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1946 | } |
2079 | } |
1947 | |
2080 | |
1948 | return ncur; |
2081 | return ncur; |
1949 | } |
2082 | } |
1950 | |
2083 | |
1951 | noinline ecb_cold |
2084 | ecb_noinline ecb_cold |
1952 | static void * |
2085 | static void * |
1953 | array_realloc (int elem, void *base, int *cur, int cnt) |
2086 | array_realloc (int elem, void *base, int *cur, int cnt) |
1954 | { |
2087 | { |
1955 | *cur = array_nextsize (elem, *cur, cnt); |
2088 | *cur = array_nextsize (elem, *cur, cnt); |
1956 | return ev_realloc (base, elem * *cur); |
2089 | return ev_realloc (base, elem * *cur); |
1957 | } |
2090 | } |
1958 | |
2091 | |
|
|
2092 | #define array_needsize_noinit(base,offset,count) |
|
|
2093 | |
1959 | #define array_init_zero(base,count) \ |
2094 | #define array_needsize_zerofill(base,offset,count) \ |
1960 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2095 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1961 | |
2096 | |
1962 | #define array_needsize(type,base,cur,cnt,init) \ |
2097 | #define array_needsize(type,base,cur,cnt,init) \ |
1963 | if (expect_false ((cnt) > (cur))) \ |
2098 | if (ecb_expect_false ((cnt) > (cur))) \ |
1964 | { \ |
2099 | { \ |
1965 | ecb_unused int ocur_ = (cur); \ |
2100 | ecb_unused int ocur_ = (cur); \ |
1966 | (base) = (type *)array_realloc \ |
2101 | (base) = (type *)array_realloc \ |
1967 | (sizeof (type), (base), &(cur), (cnt)); \ |
2102 | (sizeof (type), (base), &(cur), (cnt)); \ |
1968 | init ((base) + (ocur_), (cur) - ocur_); \ |
2103 | init ((base), ocur_, ((cur) - ocur_)); \ |
1969 | } |
2104 | } |
1970 | |
2105 | |
1971 | #if 0 |
2106 | #if 0 |
1972 | #define array_slim(type,stem) \ |
2107 | #define array_slim(type,stem) \ |
1973 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2108 | 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 |
2117 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1983 | |
2118 | |
1984 | /*****************************************************************************/ |
2119 | /*****************************************************************************/ |
1985 | |
2120 | |
1986 | /* dummy callback for pending events */ |
2121 | /* dummy callback for pending events */ |
1987 | noinline |
2122 | ecb_noinline |
1988 | static void |
2123 | static void |
1989 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2124 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1990 | { |
2125 | { |
1991 | } |
2126 | } |
1992 | |
2127 | |
1993 | noinline |
2128 | ecb_noinline |
1994 | void |
2129 | void |
1995 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2130 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1996 | { |
2131 | { |
1997 | W w_ = (W)w; |
2132 | W w_ = (W)w; |
1998 | int pri = ABSPRI (w_); |
2133 | int pri = ABSPRI (w_); |
1999 | |
2134 | |
2000 | if (expect_false (w_->pending)) |
2135 | if (ecb_expect_false (w_->pending)) |
2001 | pendings [pri][w_->pending - 1].events |= revents; |
2136 | pendings [pri][w_->pending - 1].events |= revents; |
2002 | else |
2137 | else |
2003 | { |
2138 | { |
2004 | w_->pending = ++pendingcnt [pri]; |
2139 | w_->pending = ++pendingcnt [pri]; |
2005 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2140 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2006 | pendings [pri][w_->pending - 1].w = w_; |
2141 | pendings [pri][w_->pending - 1].w = w_; |
2007 | pendings [pri][w_->pending - 1].events = revents; |
2142 | pendings [pri][w_->pending - 1].events = revents; |
2008 | } |
2143 | } |
2009 | |
2144 | |
2010 | pendingpri = NUMPRI - 1; |
2145 | pendingpri = NUMPRI - 1; |
2011 | } |
2146 | } |
2012 | |
2147 | |
2013 | inline_speed void |
2148 | inline_speed void |
2014 | feed_reverse (EV_P_ W w) |
2149 | feed_reverse (EV_P_ W w) |
2015 | { |
2150 | { |
2016 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2151 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
2017 | rfeeds [rfeedcnt++] = w; |
2152 | rfeeds [rfeedcnt++] = w; |
2018 | } |
2153 | } |
2019 | |
2154 | |
2020 | inline_size void |
2155 | inline_size void |
2021 | feed_reverse_done (EV_P_ int revents) |
2156 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
2056 | inline_speed void |
2191 | inline_speed void |
2057 | fd_event (EV_P_ int fd, int revents) |
2192 | fd_event (EV_P_ int fd, int revents) |
2058 | { |
2193 | { |
2059 | ANFD *anfd = anfds + fd; |
2194 | ANFD *anfd = anfds + fd; |
2060 | |
2195 | |
2061 | if (expect_true (!anfd->reify)) |
2196 | if (ecb_expect_true (!anfd->reify)) |
2062 | fd_event_nocheck (EV_A_ fd, revents); |
2197 | fd_event_nocheck (EV_A_ fd, revents); |
2063 | } |
2198 | } |
2064 | |
2199 | |
2065 | void |
2200 | void |
2066 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2201 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
2067 | { |
2202 | { |
2068 | if (fd >= 0 && fd < anfdmax) |
2203 | if (fd >= 0 && fd < anfdmax) |
2069 | fd_event_nocheck (EV_A_ fd, revents); |
2204 | fd_event_nocheck (EV_A_ fd, revents); |
2070 | } |
2205 | } |
2071 | |
2206 | |
… | |
… | |
2108 | ev_io *w; |
2243 | ev_io *w; |
2109 | |
2244 | |
2110 | unsigned char o_events = anfd->events; |
2245 | unsigned char o_events = anfd->events; |
2111 | unsigned char o_reify = anfd->reify; |
2246 | unsigned char o_reify = anfd->reify; |
2112 | |
2247 | |
2113 | anfd->reify = 0; |
2248 | anfd->reify = 0; |
2114 | |
2249 | |
2115 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2250 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2116 | { |
2251 | { |
2117 | anfd->events = 0; |
2252 | anfd->events = 0; |
2118 | |
2253 | |
2119 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2254 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2120 | anfd->events |= (unsigned char)w->events; |
2255 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2136 | fd_change (EV_P_ int fd, int flags) |
2271 | fd_change (EV_P_ int fd, int flags) |
2137 | { |
2272 | { |
2138 | unsigned char reify = anfds [fd].reify; |
2273 | unsigned char reify = anfds [fd].reify; |
2139 | anfds [fd].reify |= flags; |
2274 | anfds [fd].reify |= flags; |
2140 | |
2275 | |
2141 | if (expect_true (!reify)) |
2276 | if (ecb_expect_true (!reify)) |
2142 | { |
2277 | { |
2143 | ++fdchangecnt; |
2278 | ++fdchangecnt; |
2144 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2279 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2145 | fdchanges [fdchangecnt - 1] = fd; |
2280 | fdchanges [fdchangecnt - 1] = fd; |
2146 | } |
2281 | } |
2147 | } |
2282 | } |
2148 | |
2283 | |
2149 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2284 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
… | |
… | |
2169 | return fcntl (fd, F_GETFD) != -1; |
2304 | return fcntl (fd, F_GETFD) != -1; |
2170 | #endif |
2305 | #endif |
2171 | } |
2306 | } |
2172 | |
2307 | |
2173 | /* called on EBADF to verify fds */ |
2308 | /* called on EBADF to verify fds */ |
2174 | noinline ecb_cold |
2309 | ecb_noinline ecb_cold |
2175 | static void |
2310 | static void |
2176 | fd_ebadf (EV_P) |
2311 | fd_ebadf (EV_P) |
2177 | { |
2312 | { |
2178 | int fd; |
2313 | int fd; |
2179 | |
2314 | |
… | |
… | |
2182 | if (!fd_valid (fd) && errno == EBADF) |
2317 | if (!fd_valid (fd) && errno == EBADF) |
2183 | fd_kill (EV_A_ fd); |
2318 | fd_kill (EV_A_ fd); |
2184 | } |
2319 | } |
2185 | |
2320 | |
2186 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2321 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2187 | noinline ecb_cold |
2322 | ecb_noinline ecb_cold |
2188 | static void |
2323 | static void |
2189 | fd_enomem (EV_P) |
2324 | fd_enomem (EV_P) |
2190 | { |
2325 | { |
2191 | int fd; |
2326 | int fd; |
2192 | |
2327 | |
… | |
… | |
2197 | break; |
2332 | break; |
2198 | } |
2333 | } |
2199 | } |
2334 | } |
2200 | |
2335 | |
2201 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2336 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2202 | noinline |
2337 | ecb_noinline |
2203 | static void |
2338 | static void |
2204 | fd_rearm_all (EV_P) |
2339 | fd_rearm_all (EV_P) |
2205 | { |
2340 | { |
2206 | int fd; |
2341 | int fd; |
2207 | |
2342 | |
… | |
… | |
2261 | ev_tstamp minat; |
2396 | ev_tstamp minat; |
2262 | ANHE *minpos; |
2397 | ANHE *minpos; |
2263 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2398 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2264 | |
2399 | |
2265 | /* find minimum child */ |
2400 | /* find minimum child */ |
2266 | if (expect_true (pos + DHEAP - 1 < E)) |
2401 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2267 | { |
2402 | { |
2268 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2403 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2269 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2404 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2270 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2405 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2271 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2406 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
… | |
… | |
2389 | |
2524 | |
2390 | /*****************************************************************************/ |
2525 | /*****************************************************************************/ |
2391 | |
2526 | |
2392 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2527 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2393 | |
2528 | |
2394 | noinline ecb_cold |
2529 | ecb_noinline ecb_cold |
2395 | static void |
2530 | static void |
2396 | evpipe_init (EV_P) |
2531 | evpipe_init (EV_P) |
2397 | { |
2532 | { |
2398 | if (!ev_is_active (&pipe_w)) |
2533 | if (!ev_is_active (&pipe_w)) |
2399 | { |
2534 | { |
… | |
… | |
2440 | inline_speed void |
2575 | inline_speed void |
2441 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2576 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2442 | { |
2577 | { |
2443 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2578 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2444 | |
2579 | |
2445 | if (expect_true (*flag)) |
2580 | if (ecb_expect_true (*flag)) |
2446 | return; |
2581 | return; |
2447 | |
2582 | |
2448 | *flag = 1; |
2583 | *flag = 1; |
2449 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2584 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2450 | |
2585 | |
… | |
… | |
2471 | #endif |
2606 | #endif |
2472 | { |
2607 | { |
2473 | #ifdef _WIN32 |
2608 | #ifdef _WIN32 |
2474 | WSABUF buf; |
2609 | WSABUF buf; |
2475 | DWORD sent; |
2610 | DWORD sent; |
2476 | buf.buf = &buf; |
2611 | buf.buf = (char *)&buf; |
2477 | buf.len = 1; |
2612 | buf.len = 1; |
2478 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2613 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2479 | #else |
2614 | #else |
2480 | write (evpipe [1], &(evpipe [1]), 1); |
2615 | write (evpipe [1], &(evpipe [1]), 1); |
2481 | #endif |
2616 | #endif |
… | |
… | |
2527 | sig_pending = 0; |
2662 | sig_pending = 0; |
2528 | |
2663 | |
2529 | ECB_MEMORY_FENCE; |
2664 | ECB_MEMORY_FENCE; |
2530 | |
2665 | |
2531 | for (i = EV_NSIG - 1; i--; ) |
2666 | for (i = EV_NSIG - 1; i--; ) |
2532 | if (expect_false (signals [i].pending)) |
2667 | if (ecb_expect_false (signals [i].pending)) |
2533 | ev_feed_signal_event (EV_A_ i + 1); |
2668 | ev_feed_signal_event (EV_A_ i + 1); |
2534 | } |
2669 | } |
2535 | #endif |
2670 | #endif |
2536 | |
2671 | |
2537 | #if EV_ASYNC_ENABLE |
2672 | #if EV_ASYNC_ENABLE |
… | |
… | |
2553 | } |
2688 | } |
2554 | |
2689 | |
2555 | /*****************************************************************************/ |
2690 | /*****************************************************************************/ |
2556 | |
2691 | |
2557 | void |
2692 | void |
2558 | ev_feed_signal (int signum) EV_THROW |
2693 | ev_feed_signal (int signum) EV_NOEXCEPT |
2559 | { |
2694 | { |
2560 | #if EV_MULTIPLICITY |
2695 | #if EV_MULTIPLICITY |
2561 | EV_P; |
2696 | EV_P; |
2562 | ECB_MEMORY_FENCE_ACQUIRE; |
2697 | ECB_MEMORY_FENCE_ACQUIRE; |
2563 | EV_A = signals [signum - 1].loop; |
2698 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2578 | #endif |
2713 | #endif |
2579 | |
2714 | |
2580 | ev_feed_signal (signum); |
2715 | ev_feed_signal (signum); |
2581 | } |
2716 | } |
2582 | |
2717 | |
2583 | noinline |
2718 | ecb_noinline |
2584 | void |
2719 | void |
2585 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2720 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2586 | { |
2721 | { |
2587 | WL w; |
2722 | WL w; |
2588 | |
2723 | |
2589 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2724 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2590 | return; |
2725 | return; |
2591 | |
2726 | |
2592 | --signum; |
2727 | --signum; |
2593 | |
2728 | |
2594 | #if EV_MULTIPLICITY |
2729 | #if EV_MULTIPLICITY |
2595 | /* it is permissible to try to feed a signal to the wrong loop */ |
2730 | /* 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 */ |
2731 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2597 | |
2732 | |
2598 | if (expect_false (signals [signum].loop != EV_A)) |
2733 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2599 | return; |
2734 | return; |
2600 | #endif |
2735 | #endif |
2601 | |
2736 | |
2602 | signals [signum].pending = 0; |
2737 | signals [signum].pending = 0; |
2603 | ECB_MEMORY_FENCE_RELEASE; |
2738 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2699 | # include "ev_kqueue.c" |
2834 | # include "ev_kqueue.c" |
2700 | #endif |
2835 | #endif |
2701 | #if EV_USE_EPOLL |
2836 | #if EV_USE_EPOLL |
2702 | # include "ev_epoll.c" |
2837 | # include "ev_epoll.c" |
2703 | #endif |
2838 | #endif |
|
|
2839 | #if EV_USE_LINUXAIO |
|
|
2840 | # include "ev_linuxaio.c" |
|
|
2841 | #endif |
|
|
2842 | #if EV_USE_IOURING |
|
|
2843 | # include "ev_iouring.c" |
|
|
2844 | #endif |
2704 | #if EV_USE_POLL |
2845 | #if EV_USE_POLL |
2705 | # include "ev_poll.c" |
2846 | # include "ev_poll.c" |
2706 | #endif |
2847 | #endif |
2707 | #if EV_USE_SELECT |
2848 | #if EV_USE_SELECT |
2708 | # include "ev_select.c" |
2849 | # include "ev_select.c" |
2709 | #endif |
2850 | #endif |
2710 | |
2851 | |
2711 | ecb_cold int |
2852 | ecb_cold int |
2712 | ev_version_major (void) EV_THROW |
2853 | ev_version_major (void) EV_NOEXCEPT |
2713 | { |
2854 | { |
2714 | return EV_VERSION_MAJOR; |
2855 | return EV_VERSION_MAJOR; |
2715 | } |
2856 | } |
2716 | |
2857 | |
2717 | ecb_cold int |
2858 | ecb_cold int |
2718 | ev_version_minor (void) EV_THROW |
2859 | ev_version_minor (void) EV_NOEXCEPT |
2719 | { |
2860 | { |
2720 | return EV_VERSION_MINOR; |
2861 | return EV_VERSION_MINOR; |
2721 | } |
2862 | } |
2722 | |
2863 | |
2723 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2864 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
2732 | #endif |
2873 | #endif |
2733 | } |
2874 | } |
2734 | |
2875 | |
2735 | ecb_cold |
2876 | ecb_cold |
2736 | unsigned int |
2877 | unsigned int |
2737 | ev_supported_backends (void) EV_THROW |
2878 | ev_supported_backends (void) EV_NOEXCEPT |
2738 | { |
2879 | { |
2739 | unsigned int flags = 0; |
2880 | unsigned int flags = 0; |
2740 | |
2881 | |
2741 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2882 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2742 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2883 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2743 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2884 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2885 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
|
|
2886 | if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING; |
2744 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2887 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2745 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2888 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2746 | |
2889 | |
2747 | return flags; |
2890 | return flags; |
2748 | } |
2891 | } |
2749 | |
2892 | |
2750 | ecb_cold |
2893 | ecb_cold |
2751 | unsigned int |
2894 | unsigned int |
2752 | ev_recommended_backends (void) EV_THROW |
2895 | ev_recommended_backends (void) EV_NOEXCEPT |
2753 | { |
2896 | { |
2754 | unsigned int flags = ev_supported_backends (); |
2897 | unsigned int flags = ev_supported_backends (); |
2755 | |
2898 | |
2756 | #ifndef __NetBSD__ |
2899 | #ifndef __NetBSD__ |
2757 | /* kqueue is borked on everything but netbsd apparently */ |
2900 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2765 | #endif |
2908 | #endif |
2766 | #ifdef __FreeBSD__ |
2909 | #ifdef __FreeBSD__ |
2767 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2910 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2768 | #endif |
2911 | #endif |
2769 | |
2912 | |
|
|
2913 | /* TODO: linuxaio is very experimental */ |
|
|
2914 | #if !EV_RECOMMEND_LINUXAIO |
|
|
2915 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
2916 | #endif |
|
|
2917 | /* TODO: linuxaio is super experimental */ |
|
|
2918 | #if !EV_RECOMMEND_IOURING |
|
|
2919 | flags &= ~EVBACKEND_IOURING; |
|
|
2920 | #endif |
|
|
2921 | |
2770 | return flags; |
2922 | return flags; |
2771 | } |
2923 | } |
2772 | |
2924 | |
2773 | ecb_cold |
2925 | ecb_cold |
2774 | unsigned int |
2926 | unsigned int |
2775 | ev_embeddable_backends (void) EV_THROW |
2927 | ev_embeddable_backends (void) EV_NOEXCEPT |
2776 | { |
2928 | { |
2777 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2929 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2778 | |
2930 | |
2779 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2931 | /* 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 */ |
2932 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2781 | flags &= ~EVBACKEND_EPOLL; |
2933 | flags &= ~EVBACKEND_EPOLL; |
2782 | |
2934 | |
|
|
2935 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
2936 | |
|
|
2937 | /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not |
|
|
2938 | * because our backend_fd is the epoll fd we need as fallback. |
|
|
2939 | * if the kernel ever is fixed, this might change... |
|
|
2940 | */ |
|
|
2941 | |
2783 | return flags; |
2942 | return flags; |
2784 | } |
2943 | } |
2785 | |
2944 | |
2786 | unsigned int |
2945 | unsigned int |
2787 | ev_backend (EV_P) EV_THROW |
2946 | ev_backend (EV_P) EV_NOEXCEPT |
2788 | { |
2947 | { |
2789 | return backend; |
2948 | return backend; |
2790 | } |
2949 | } |
2791 | |
2950 | |
2792 | #if EV_FEATURE_API |
2951 | #if EV_FEATURE_API |
2793 | unsigned int |
2952 | unsigned int |
2794 | ev_iteration (EV_P) EV_THROW |
2953 | ev_iteration (EV_P) EV_NOEXCEPT |
2795 | { |
2954 | { |
2796 | return loop_count; |
2955 | return loop_count; |
2797 | } |
2956 | } |
2798 | |
2957 | |
2799 | unsigned int |
2958 | unsigned int |
2800 | ev_depth (EV_P) EV_THROW |
2959 | ev_depth (EV_P) EV_NOEXCEPT |
2801 | { |
2960 | { |
2802 | return loop_depth; |
2961 | return loop_depth; |
2803 | } |
2962 | } |
2804 | |
2963 | |
2805 | void |
2964 | void |
2806 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2965 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2807 | { |
2966 | { |
2808 | io_blocktime = interval; |
2967 | io_blocktime = interval; |
2809 | } |
2968 | } |
2810 | |
2969 | |
2811 | void |
2970 | void |
2812 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2971 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2813 | { |
2972 | { |
2814 | timeout_blocktime = interval; |
2973 | timeout_blocktime = interval; |
2815 | } |
2974 | } |
2816 | |
2975 | |
2817 | void |
2976 | void |
2818 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2977 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2819 | { |
2978 | { |
2820 | userdata = data; |
2979 | userdata = data; |
2821 | } |
2980 | } |
2822 | |
2981 | |
2823 | void * |
2982 | void * |
2824 | ev_userdata (EV_P) EV_THROW |
2983 | ev_userdata (EV_P) EV_NOEXCEPT |
2825 | { |
2984 | { |
2826 | return userdata; |
2985 | return userdata; |
2827 | } |
2986 | } |
2828 | |
2987 | |
2829 | void |
2988 | void |
2830 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW |
2989 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2831 | { |
2990 | { |
2832 | invoke_cb = invoke_pending_cb; |
2991 | invoke_cb = invoke_pending_cb; |
2833 | } |
2992 | } |
2834 | |
2993 | |
2835 | void |
2994 | void |
2836 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2995 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2837 | { |
2996 | { |
2838 | release_cb = release; |
2997 | release_cb = release; |
2839 | acquire_cb = acquire; |
2998 | acquire_cb = acquire; |
2840 | } |
2999 | } |
2841 | #endif |
3000 | #endif |
2842 | |
3001 | |
2843 | /* initialise a loop structure, must be zero-initialised */ |
3002 | /* initialise a loop structure, must be zero-initialised */ |
2844 | noinline ecb_cold |
3003 | ecb_noinline ecb_cold |
2845 | static void |
3004 | static void |
2846 | loop_init (EV_P_ unsigned int flags) EV_THROW |
3005 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2847 | { |
3006 | { |
2848 | if (!backend) |
3007 | if (!backend) |
2849 | { |
3008 | { |
2850 | origflags = flags; |
3009 | origflags = flags; |
2851 | |
3010 | |
… | |
… | |
2909 | |
3068 | |
2910 | if (!(flags & EVBACKEND_MASK)) |
3069 | if (!(flags & EVBACKEND_MASK)) |
2911 | flags |= ev_recommended_backends (); |
3070 | flags |= ev_recommended_backends (); |
2912 | |
3071 | |
2913 | #if EV_USE_IOCP |
3072 | #if EV_USE_IOCP |
2914 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
3073 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2915 | #endif |
3074 | #endif |
2916 | #if EV_USE_PORT |
3075 | #if EV_USE_PORT |
2917 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3076 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2918 | #endif |
3077 | #endif |
2919 | #if EV_USE_KQUEUE |
3078 | #if EV_USE_KQUEUE |
2920 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
3079 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3080 | #endif |
|
|
3081 | #if EV_USE_IOURING |
|
|
3082 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
|
|
3083 | #endif |
|
|
3084 | #if EV_USE_LINUXAIO |
|
|
3085 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2921 | #endif |
3086 | #endif |
2922 | #if EV_USE_EPOLL |
3087 | #if EV_USE_EPOLL |
2923 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
3088 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2924 | #endif |
3089 | #endif |
2925 | #if EV_USE_POLL |
3090 | #if EV_USE_POLL |
2926 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
3091 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2927 | #endif |
3092 | #endif |
2928 | #if EV_USE_SELECT |
3093 | #if EV_USE_SELECT |
2929 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
3094 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2930 | #endif |
3095 | #endif |
2931 | |
3096 | |
2932 | ev_prepare_init (&pending_w, pendingcb); |
3097 | ev_prepare_init (&pending_w, pendingcb); |
2933 | |
3098 | |
2934 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3099 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2951 | return; |
3116 | return; |
2952 | #endif |
3117 | #endif |
2953 | |
3118 | |
2954 | #if EV_CLEANUP_ENABLE |
3119 | #if EV_CLEANUP_ENABLE |
2955 | /* queue cleanup watchers (and execute them) */ |
3120 | /* queue cleanup watchers (and execute them) */ |
2956 | if (expect_false (cleanupcnt)) |
3121 | if (ecb_expect_false (cleanupcnt)) |
2957 | { |
3122 | { |
2958 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3123 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
2959 | EV_INVOKE_PENDING; |
3124 | EV_INVOKE_PENDING; |
2960 | } |
3125 | } |
2961 | #endif |
3126 | #endif |
… | |
… | |
2989 | |
3154 | |
2990 | if (backend_fd >= 0) |
3155 | if (backend_fd >= 0) |
2991 | close (backend_fd); |
3156 | close (backend_fd); |
2992 | |
3157 | |
2993 | #if EV_USE_IOCP |
3158 | #if EV_USE_IOCP |
2994 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3159 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2995 | #endif |
3160 | #endif |
2996 | #if EV_USE_PORT |
3161 | #if EV_USE_PORT |
2997 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3162 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2998 | #endif |
3163 | #endif |
2999 | #if EV_USE_KQUEUE |
3164 | #if EV_USE_KQUEUE |
3000 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3165 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3166 | #endif |
|
|
3167 | #if EV_USE_IOURING |
|
|
3168 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
|
|
3169 | #endif |
|
|
3170 | #if EV_USE_LINUXAIO |
|
|
3171 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3001 | #endif |
3172 | #endif |
3002 | #if EV_USE_EPOLL |
3173 | #if EV_USE_EPOLL |
3003 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3174 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3004 | #endif |
3175 | #endif |
3005 | #if EV_USE_POLL |
3176 | #if EV_USE_POLL |
3006 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3177 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3007 | #endif |
3178 | #endif |
3008 | #if EV_USE_SELECT |
3179 | #if EV_USE_SELECT |
3009 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3180 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
3010 | #endif |
3181 | #endif |
3011 | |
3182 | |
3012 | for (i = NUMPRI; i--; ) |
3183 | for (i = NUMPRI; i--; ) |
3013 | { |
3184 | { |
3014 | array_free (pending, [i]); |
3185 | array_free (pending, [i]); |
… | |
… | |
3056 | |
3227 | |
3057 | inline_size void |
3228 | inline_size void |
3058 | loop_fork (EV_P) |
3229 | loop_fork (EV_P) |
3059 | { |
3230 | { |
3060 | #if EV_USE_PORT |
3231 | #if EV_USE_PORT |
3061 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3232 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3062 | #endif |
3233 | #endif |
3063 | #if EV_USE_KQUEUE |
3234 | #if EV_USE_KQUEUE |
3064 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3235 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3236 | #endif |
|
|
3237 | #if EV_USE_IOURING |
|
|
3238 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3239 | #endif |
|
|
3240 | #if EV_USE_LINUXAIO |
|
|
3241 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3065 | #endif |
3242 | #endif |
3066 | #if EV_USE_EPOLL |
3243 | #if EV_USE_EPOLL |
3067 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3244 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3068 | #endif |
3245 | #endif |
3069 | #if EV_USE_INOTIFY |
3246 | #if EV_USE_INOTIFY |
3070 | infy_fork (EV_A); |
3247 | infy_fork (EV_A); |
3071 | #endif |
3248 | #endif |
3072 | |
3249 | |
… | |
… | |
3092 | |
3269 | |
3093 | #if EV_MULTIPLICITY |
3270 | #if EV_MULTIPLICITY |
3094 | |
3271 | |
3095 | ecb_cold |
3272 | ecb_cold |
3096 | struct ev_loop * |
3273 | struct ev_loop * |
3097 | ev_loop_new (unsigned int flags) EV_THROW |
3274 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
3098 | { |
3275 | { |
3099 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3276 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3100 | |
3277 | |
3101 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3278 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3102 | loop_init (EV_A_ flags); |
3279 | loop_init (EV_A_ flags); |
… | |
… | |
3109 | } |
3286 | } |
3110 | |
3287 | |
3111 | #endif /* multiplicity */ |
3288 | #endif /* multiplicity */ |
3112 | |
3289 | |
3113 | #if EV_VERIFY |
3290 | #if EV_VERIFY |
3114 | noinline ecb_cold |
3291 | ecb_noinline ecb_cold |
3115 | static void |
3292 | static void |
3116 | verify_watcher (EV_P_ W w) |
3293 | verify_watcher (EV_P_ W w) |
3117 | { |
3294 | { |
3118 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3295 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3119 | |
3296 | |
3120 | if (w->pending) |
3297 | if (w->pending) |
3121 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3298 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3122 | } |
3299 | } |
3123 | |
3300 | |
3124 | noinline ecb_cold |
3301 | ecb_noinline ecb_cold |
3125 | static void |
3302 | static void |
3126 | verify_heap (EV_P_ ANHE *heap, int N) |
3303 | verify_heap (EV_P_ ANHE *heap, int N) |
3127 | { |
3304 | { |
3128 | int i; |
3305 | int i; |
3129 | |
3306 | |
… | |
… | |
3135 | |
3312 | |
3136 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3313 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3137 | } |
3314 | } |
3138 | } |
3315 | } |
3139 | |
3316 | |
3140 | noinline ecb_cold |
3317 | ecb_noinline ecb_cold |
3141 | static void |
3318 | static void |
3142 | array_verify (EV_P_ W *ws, int cnt) |
3319 | array_verify (EV_P_ W *ws, int cnt) |
3143 | { |
3320 | { |
3144 | while (cnt--) |
3321 | while (cnt--) |
3145 | { |
3322 | { |
… | |
… | |
3149 | } |
3326 | } |
3150 | #endif |
3327 | #endif |
3151 | |
3328 | |
3152 | #if EV_FEATURE_API |
3329 | #if EV_FEATURE_API |
3153 | void ecb_cold |
3330 | void ecb_cold |
3154 | ev_verify (EV_P) EV_THROW |
3331 | ev_verify (EV_P) EV_NOEXCEPT |
3155 | { |
3332 | { |
3156 | #if EV_VERIFY |
3333 | #if EV_VERIFY |
3157 | int i; |
3334 | int i; |
3158 | WL w, w2; |
3335 | WL w, w2; |
3159 | |
3336 | |
… | |
… | |
3240 | ecb_cold |
3417 | ecb_cold |
3241 | struct ev_loop * |
3418 | struct ev_loop * |
3242 | #else |
3419 | #else |
3243 | int |
3420 | int |
3244 | #endif |
3421 | #endif |
3245 | ev_default_loop (unsigned int flags) EV_THROW |
3422 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
3246 | { |
3423 | { |
3247 | if (!ev_default_loop_ptr) |
3424 | if (!ev_default_loop_ptr) |
3248 | { |
3425 | { |
3249 | #if EV_MULTIPLICITY |
3426 | #if EV_MULTIPLICITY |
3250 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3427 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
3269 | |
3446 | |
3270 | return ev_default_loop_ptr; |
3447 | return ev_default_loop_ptr; |
3271 | } |
3448 | } |
3272 | |
3449 | |
3273 | void |
3450 | void |
3274 | ev_loop_fork (EV_P) EV_THROW |
3451 | ev_loop_fork (EV_P) EV_NOEXCEPT |
3275 | { |
3452 | { |
3276 | postfork = 1; |
3453 | postfork = 1; |
3277 | } |
3454 | } |
3278 | |
3455 | |
3279 | /*****************************************************************************/ |
3456 | /*****************************************************************************/ |
… | |
… | |
3283 | { |
3460 | { |
3284 | EV_CB_INVOKE ((W)w, revents); |
3461 | EV_CB_INVOKE ((W)w, revents); |
3285 | } |
3462 | } |
3286 | |
3463 | |
3287 | unsigned int |
3464 | unsigned int |
3288 | ev_pending_count (EV_P) EV_THROW |
3465 | ev_pending_count (EV_P) EV_NOEXCEPT |
3289 | { |
3466 | { |
3290 | int pri; |
3467 | int pri; |
3291 | unsigned int count = 0; |
3468 | unsigned int count = 0; |
3292 | |
3469 | |
3293 | for (pri = NUMPRI; pri--; ) |
3470 | for (pri = NUMPRI; pri--; ) |
3294 | count += pendingcnt [pri]; |
3471 | count += pendingcnt [pri]; |
3295 | |
3472 | |
3296 | return count; |
3473 | return count; |
3297 | } |
3474 | } |
3298 | |
3475 | |
3299 | noinline |
3476 | ecb_noinline |
3300 | void |
3477 | void |
3301 | ev_invoke_pending (EV_P) |
3478 | ev_invoke_pending (EV_P) |
3302 | { |
3479 | { |
3303 | pendingpri = NUMPRI; |
3480 | pendingpri = NUMPRI; |
3304 | |
3481 | |
3305 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3482 | do |
3306 | { |
3483 | { |
3307 | --pendingpri; |
3484 | --pendingpri; |
3308 | |
3485 | |
|
|
3486 | /* pendingpri possibly gets modified in the inner loop */ |
3309 | while (pendingcnt [pendingpri]) |
3487 | while (pendingcnt [pendingpri]) |
3310 | { |
3488 | { |
3311 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3489 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3312 | |
3490 | |
3313 | p->w->pending = 0; |
3491 | p->w->pending = 0; |
3314 | EV_CB_INVOKE (p->w, p->events); |
3492 | EV_CB_INVOKE (p->w, p->events); |
3315 | EV_FREQUENT_CHECK; |
3493 | EV_FREQUENT_CHECK; |
3316 | } |
3494 | } |
3317 | } |
3495 | } |
|
|
3496 | while (pendingpri); |
3318 | } |
3497 | } |
3319 | |
3498 | |
3320 | #if EV_IDLE_ENABLE |
3499 | #if EV_IDLE_ENABLE |
3321 | /* make idle watchers pending. this handles the "call-idle */ |
3500 | /* make idle watchers pending. this handles the "call-idle */ |
3322 | /* only when higher priorities are idle" logic */ |
3501 | /* only when higher priorities are idle" logic */ |
3323 | inline_size void |
3502 | inline_size void |
3324 | idle_reify (EV_P) |
3503 | idle_reify (EV_P) |
3325 | { |
3504 | { |
3326 | if (expect_false (idleall)) |
3505 | if (ecb_expect_false (idleall)) |
3327 | { |
3506 | { |
3328 | int pri; |
3507 | int pri; |
3329 | |
3508 | |
3330 | for (pri = NUMPRI; pri--; ) |
3509 | for (pri = NUMPRI; pri--; ) |
3331 | { |
3510 | { |
… | |
… | |
3380 | } |
3559 | } |
3381 | } |
3560 | } |
3382 | |
3561 | |
3383 | #if EV_PERIODIC_ENABLE |
3562 | #if EV_PERIODIC_ENABLE |
3384 | |
3563 | |
3385 | noinline |
3564 | ecb_noinline |
3386 | static void |
3565 | static void |
3387 | periodic_recalc (EV_P_ ev_periodic *w) |
3566 | periodic_recalc (EV_P_ ev_periodic *w) |
3388 | { |
3567 | { |
3389 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3568 | 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); |
3569 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3393 | while (at <= ev_rt_now) |
3572 | while (at <= ev_rt_now) |
3394 | { |
3573 | { |
3395 | ev_tstamp nat = at + w->interval; |
3574 | ev_tstamp nat = at + w->interval; |
3396 | |
3575 | |
3397 | /* when resolution fails us, we use ev_rt_now */ |
3576 | /* when resolution fails us, we use ev_rt_now */ |
3398 | if (expect_false (nat == at)) |
3577 | if (ecb_expect_false (nat == at)) |
3399 | { |
3578 | { |
3400 | at = ev_rt_now; |
3579 | at = ev_rt_now; |
3401 | break; |
3580 | break; |
3402 | } |
3581 | } |
3403 | |
3582 | |
… | |
… | |
3449 | } |
3628 | } |
3450 | } |
3629 | } |
3451 | |
3630 | |
3452 | /* simply recalculate all periodics */ |
3631 | /* simply recalculate all periodics */ |
3453 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3632 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3454 | noinline ecb_cold |
3633 | ecb_noinline ecb_cold |
3455 | static void |
3634 | static void |
3456 | periodics_reschedule (EV_P) |
3635 | periodics_reschedule (EV_P) |
3457 | { |
3636 | { |
3458 | int i; |
3637 | int i; |
3459 | |
3638 | |
… | |
… | |
3473 | reheap (periodics, periodiccnt); |
3652 | reheap (periodics, periodiccnt); |
3474 | } |
3653 | } |
3475 | #endif |
3654 | #endif |
3476 | |
3655 | |
3477 | /* adjust all timers by a given offset */ |
3656 | /* adjust all timers by a given offset */ |
3478 | noinline ecb_cold |
3657 | ecb_noinline ecb_cold |
3479 | static void |
3658 | static void |
3480 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3659 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3481 | { |
3660 | { |
3482 | int i; |
3661 | int i; |
3483 | |
3662 | |
… | |
… | |
3493 | /* also detect if there was a timejump, and act accordingly */ |
3672 | /* also detect if there was a timejump, and act accordingly */ |
3494 | inline_speed void |
3673 | inline_speed void |
3495 | time_update (EV_P_ ev_tstamp max_block) |
3674 | time_update (EV_P_ ev_tstamp max_block) |
3496 | { |
3675 | { |
3497 | #if EV_USE_MONOTONIC |
3676 | #if EV_USE_MONOTONIC |
3498 | if (expect_true (have_monotonic)) |
3677 | if (ecb_expect_true (have_monotonic)) |
3499 | { |
3678 | { |
3500 | int i; |
3679 | int i; |
3501 | ev_tstamp odiff = rtmn_diff; |
3680 | ev_tstamp odiff = rtmn_diff; |
3502 | |
3681 | |
3503 | mn_now = get_clock (); |
3682 | mn_now = get_clock (); |
3504 | |
3683 | |
3505 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3684 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3506 | /* interpolate in the meantime */ |
3685 | /* interpolate in the meantime */ |
3507 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3686 | if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3508 | { |
3687 | { |
3509 | ev_rt_now = rtmn_diff + mn_now; |
3688 | ev_rt_now = rtmn_diff + mn_now; |
3510 | return; |
3689 | return; |
3511 | } |
3690 | } |
3512 | |
3691 | |
… | |
… | |
3526 | ev_tstamp diff; |
3705 | ev_tstamp diff; |
3527 | rtmn_diff = ev_rt_now - mn_now; |
3706 | rtmn_diff = ev_rt_now - mn_now; |
3528 | |
3707 | |
3529 | diff = odiff - rtmn_diff; |
3708 | diff = odiff - rtmn_diff; |
3530 | |
3709 | |
3531 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3710 | if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3532 | return; /* all is well */ |
3711 | return; /* all is well */ |
3533 | |
3712 | |
3534 | ev_rt_now = ev_time (); |
3713 | ev_rt_now = ev_time (); |
3535 | mn_now = get_clock (); |
3714 | mn_now = get_clock (); |
3536 | now_floor = mn_now; |
3715 | now_floor = mn_now; |
… | |
… | |
3545 | else |
3724 | else |
3546 | #endif |
3725 | #endif |
3547 | { |
3726 | { |
3548 | ev_rt_now = ev_time (); |
3727 | ev_rt_now = ev_time (); |
3549 | |
3728 | |
3550 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3729 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3551 | { |
3730 | { |
3552 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3731 | /* 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); |
3732 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3554 | #if EV_PERIODIC_ENABLE |
3733 | #if EV_PERIODIC_ENABLE |
3555 | periodics_reschedule (EV_A); |
3734 | periodics_reschedule (EV_A); |
… | |
… | |
3578 | #if EV_VERIFY >= 2 |
3757 | #if EV_VERIFY >= 2 |
3579 | ev_verify (EV_A); |
3758 | ev_verify (EV_A); |
3580 | #endif |
3759 | #endif |
3581 | |
3760 | |
3582 | #ifndef _WIN32 |
3761 | #ifndef _WIN32 |
3583 | if (expect_false (curpid)) /* penalise the forking check even more */ |
3762 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3584 | if (expect_false (getpid () != curpid)) |
3763 | if (ecb_expect_false (getpid () != curpid)) |
3585 | { |
3764 | { |
3586 | curpid = getpid (); |
3765 | curpid = getpid (); |
3587 | postfork = 1; |
3766 | postfork = 1; |
3588 | } |
3767 | } |
3589 | #endif |
3768 | #endif |
3590 | |
3769 | |
3591 | #if EV_FORK_ENABLE |
3770 | #if EV_FORK_ENABLE |
3592 | /* we might have forked, so queue fork handlers */ |
3771 | /* we might have forked, so queue fork handlers */ |
3593 | if (expect_false (postfork)) |
3772 | if (ecb_expect_false (postfork)) |
3594 | if (forkcnt) |
3773 | if (forkcnt) |
3595 | { |
3774 | { |
3596 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3775 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3597 | EV_INVOKE_PENDING; |
3776 | EV_INVOKE_PENDING; |
3598 | } |
3777 | } |
3599 | #endif |
3778 | #endif |
3600 | |
3779 | |
3601 | #if EV_PREPARE_ENABLE |
3780 | #if EV_PREPARE_ENABLE |
3602 | /* queue prepare watchers (and execute them) */ |
3781 | /* queue prepare watchers (and execute them) */ |
3603 | if (expect_false (preparecnt)) |
3782 | if (ecb_expect_false (preparecnt)) |
3604 | { |
3783 | { |
3605 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3784 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3606 | EV_INVOKE_PENDING; |
3785 | EV_INVOKE_PENDING; |
3607 | } |
3786 | } |
3608 | #endif |
3787 | #endif |
3609 | |
3788 | |
3610 | if (expect_false (loop_done)) |
3789 | if (ecb_expect_false (loop_done)) |
3611 | break; |
3790 | break; |
3612 | |
3791 | |
3613 | /* we might have forked, so reify kernel state if necessary */ |
3792 | /* we might have forked, so reify kernel state if necessary */ |
3614 | if (expect_false (postfork)) |
3793 | if (ecb_expect_false (postfork)) |
3615 | loop_fork (EV_A); |
3794 | loop_fork (EV_A); |
3616 | |
3795 | |
3617 | /* update fd-related kernel structures */ |
3796 | /* update fd-related kernel structures */ |
3618 | fd_reify (EV_A); |
3797 | fd_reify (EV_A); |
3619 | |
3798 | |
… | |
… | |
3631 | /* from now on, we want a pipe-wake-up */ |
3810 | /* from now on, we want a pipe-wake-up */ |
3632 | pipe_write_wanted = 1; |
3811 | pipe_write_wanted = 1; |
3633 | |
3812 | |
3634 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3813 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3635 | |
3814 | |
3636 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3815 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3637 | { |
3816 | { |
3638 | waittime = MAX_BLOCKTIME; |
3817 | waittime = MAX_BLOCKTIME; |
3639 | |
3818 | |
3640 | if (timercnt) |
3819 | if (timercnt) |
3641 | { |
3820 | { |
… | |
… | |
3650 | if (waittime > to) waittime = to; |
3829 | if (waittime > to) waittime = to; |
3651 | } |
3830 | } |
3652 | #endif |
3831 | #endif |
3653 | |
3832 | |
3654 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3833 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3655 | if (expect_false (waittime < timeout_blocktime)) |
3834 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3656 | waittime = timeout_blocktime; |
3835 | waittime = timeout_blocktime; |
3657 | |
3836 | |
3658 | /* at this point, we NEED to wait, so we have to ensure */ |
3837 | /* at this point, we NEED to wait, so we have to ensure */ |
3659 | /* to pass a minimum nonzero value to the backend */ |
3838 | /* to pass a minimum nonzero value to the backend */ |
3660 | if (expect_false (waittime < backend_mintime)) |
3839 | if (ecb_expect_false (waittime < backend_mintime)) |
3661 | waittime = backend_mintime; |
3840 | waittime = backend_mintime; |
3662 | |
3841 | |
3663 | /* extra check because io_blocktime is commonly 0 */ |
3842 | /* extra check because io_blocktime is commonly 0 */ |
3664 | if (expect_false (io_blocktime)) |
3843 | if (ecb_expect_false (io_blocktime)) |
3665 | { |
3844 | { |
3666 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3845 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3667 | |
3846 | |
3668 | if (sleeptime > waittime - backend_mintime) |
3847 | if (sleeptime > waittime - backend_mintime) |
3669 | sleeptime = waittime - backend_mintime; |
3848 | sleeptime = waittime - backend_mintime; |
3670 | |
3849 | |
3671 | if (expect_true (sleeptime > 0.)) |
3850 | if (ecb_expect_true (sleeptime > 0.)) |
3672 | { |
3851 | { |
3673 | ev_sleep (sleeptime); |
3852 | ev_sleep (sleeptime); |
3674 | waittime -= sleeptime; |
3853 | waittime -= sleeptime; |
3675 | } |
3854 | } |
3676 | } |
3855 | } |
… | |
… | |
3690 | { |
3869 | { |
3691 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3870 | 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); |
3871 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3693 | } |
3872 | } |
3694 | |
3873 | |
3695 | |
|
|
3696 | /* update ev_rt_now, do magic */ |
3874 | /* update ev_rt_now, do magic */ |
3697 | time_update (EV_A_ waittime + sleeptime); |
3875 | time_update (EV_A_ waittime + sleeptime); |
3698 | } |
3876 | } |
3699 | |
3877 | |
3700 | /* queue pending timers and reschedule them */ |
3878 | /* queue pending timers and reschedule them */ |
… | |
… | |
3708 | idle_reify (EV_A); |
3886 | idle_reify (EV_A); |
3709 | #endif |
3887 | #endif |
3710 | |
3888 | |
3711 | #if EV_CHECK_ENABLE |
3889 | #if EV_CHECK_ENABLE |
3712 | /* queue check watchers, to be executed first */ |
3890 | /* queue check watchers, to be executed first */ |
3713 | if (expect_false (checkcnt)) |
3891 | if (ecb_expect_false (checkcnt)) |
3714 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3892 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3715 | #endif |
3893 | #endif |
3716 | |
3894 | |
3717 | EV_INVOKE_PENDING; |
3895 | EV_INVOKE_PENDING; |
3718 | } |
3896 | } |
3719 | while (expect_true ( |
3897 | while (ecb_expect_true ( |
3720 | activecnt |
3898 | activecnt |
3721 | && !loop_done |
3899 | && !loop_done |
3722 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3900 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3723 | )); |
3901 | )); |
3724 | |
3902 | |
… | |
… | |
3731 | |
3909 | |
3732 | return activecnt; |
3910 | return activecnt; |
3733 | } |
3911 | } |
3734 | |
3912 | |
3735 | void |
3913 | void |
3736 | ev_break (EV_P_ int how) EV_THROW |
3914 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3737 | { |
3915 | { |
3738 | loop_done = how; |
3916 | loop_done = how; |
3739 | } |
3917 | } |
3740 | |
3918 | |
3741 | void |
3919 | void |
3742 | ev_ref (EV_P) EV_THROW |
3920 | ev_ref (EV_P) EV_NOEXCEPT |
3743 | { |
3921 | { |
3744 | ++activecnt; |
3922 | ++activecnt; |
3745 | } |
3923 | } |
3746 | |
3924 | |
3747 | void |
3925 | void |
3748 | ev_unref (EV_P) EV_THROW |
3926 | ev_unref (EV_P) EV_NOEXCEPT |
3749 | { |
3927 | { |
3750 | --activecnt; |
3928 | --activecnt; |
3751 | } |
3929 | } |
3752 | |
3930 | |
3753 | void |
3931 | void |
3754 | ev_now_update (EV_P) EV_THROW |
3932 | ev_now_update (EV_P) EV_NOEXCEPT |
3755 | { |
3933 | { |
3756 | time_update (EV_A_ 1e100); |
3934 | time_update (EV_A_ 1e100); |
3757 | } |
3935 | } |
3758 | |
3936 | |
3759 | void |
3937 | void |
3760 | ev_suspend (EV_P) EV_THROW |
3938 | ev_suspend (EV_P) EV_NOEXCEPT |
3761 | { |
3939 | { |
3762 | ev_now_update (EV_A); |
3940 | ev_now_update (EV_A); |
3763 | } |
3941 | } |
3764 | |
3942 | |
3765 | void |
3943 | void |
3766 | ev_resume (EV_P) EV_THROW |
3944 | ev_resume (EV_P) EV_NOEXCEPT |
3767 | { |
3945 | { |
3768 | ev_tstamp mn_prev = mn_now; |
3946 | ev_tstamp mn_prev = mn_now; |
3769 | |
3947 | |
3770 | ev_now_update (EV_A); |
3948 | ev_now_update (EV_A); |
3771 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3949 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3788 | inline_size void |
3966 | inline_size void |
3789 | wlist_del (WL *head, WL elem) |
3967 | wlist_del (WL *head, WL elem) |
3790 | { |
3968 | { |
3791 | while (*head) |
3969 | while (*head) |
3792 | { |
3970 | { |
3793 | if (expect_true (*head == elem)) |
3971 | if (ecb_expect_true (*head == elem)) |
3794 | { |
3972 | { |
3795 | *head = elem->next; |
3973 | *head = elem->next; |
3796 | break; |
3974 | break; |
3797 | } |
3975 | } |
3798 | |
3976 | |
… | |
… | |
3810 | w->pending = 0; |
3988 | w->pending = 0; |
3811 | } |
3989 | } |
3812 | } |
3990 | } |
3813 | |
3991 | |
3814 | int |
3992 | int |
3815 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3993 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3816 | { |
3994 | { |
3817 | W w_ = (W)w; |
3995 | W w_ = (W)w; |
3818 | int pending = w_->pending; |
3996 | int pending = w_->pending; |
3819 | |
3997 | |
3820 | if (expect_true (pending)) |
3998 | if (ecb_expect_true (pending)) |
3821 | { |
3999 | { |
3822 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4000 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3823 | p->w = (W)&pending_w; |
4001 | p->w = (W)&pending_w; |
3824 | w_->pending = 0; |
4002 | w_->pending = 0; |
3825 | return p->events; |
4003 | return p->events; |
… | |
… | |
3852 | w->active = 0; |
4030 | w->active = 0; |
3853 | } |
4031 | } |
3854 | |
4032 | |
3855 | /*****************************************************************************/ |
4033 | /*****************************************************************************/ |
3856 | |
4034 | |
3857 | noinline |
4035 | ecb_noinline |
3858 | void |
4036 | void |
3859 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
4037 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3860 | { |
4038 | { |
3861 | int fd = w->fd; |
4039 | int fd = w->fd; |
3862 | |
4040 | |
3863 | if (expect_false (ev_is_active (w))) |
4041 | if (ecb_expect_false (ev_is_active (w))) |
3864 | return; |
4042 | return; |
3865 | |
4043 | |
3866 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4044 | 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)))); |
4045 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3868 | |
4046 | |
|
|
4047 | #if EV_VERIFY >= 2 |
|
|
4048 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4049 | #endif |
3869 | EV_FREQUENT_CHECK; |
4050 | EV_FREQUENT_CHECK; |
3870 | |
4051 | |
3871 | ev_start (EV_A_ (W)w, 1); |
4052 | ev_start (EV_A_ (W)w, 1); |
3872 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
4053 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3873 | wlist_add (&anfds[fd].head, (WL)w); |
4054 | wlist_add (&anfds[fd].head, (WL)w); |
3874 | |
4055 | |
3875 | /* common bug, apparently */ |
4056 | /* common bug, apparently */ |
3876 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
4057 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3877 | |
4058 | |
… | |
… | |
3879 | w->events &= ~EV__IOFDSET; |
4060 | w->events &= ~EV__IOFDSET; |
3880 | |
4061 | |
3881 | EV_FREQUENT_CHECK; |
4062 | EV_FREQUENT_CHECK; |
3882 | } |
4063 | } |
3883 | |
4064 | |
3884 | noinline |
4065 | ecb_noinline |
3885 | void |
4066 | void |
3886 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
4067 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3887 | { |
4068 | { |
3888 | clear_pending (EV_A_ (W)w); |
4069 | clear_pending (EV_A_ (W)w); |
3889 | if (expect_false (!ev_is_active (w))) |
4070 | if (ecb_expect_false (!ev_is_active (w))) |
3890 | return; |
4071 | return; |
3891 | |
4072 | |
3892 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4073 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3893 | |
4074 | |
|
|
4075 | #if EV_VERIFY >= 2 |
|
|
4076 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4077 | #endif |
3894 | EV_FREQUENT_CHECK; |
4078 | EV_FREQUENT_CHECK; |
3895 | |
4079 | |
3896 | wlist_del (&anfds[w->fd].head, (WL)w); |
4080 | wlist_del (&anfds[w->fd].head, (WL)w); |
3897 | ev_stop (EV_A_ (W)w); |
4081 | ev_stop (EV_A_ (W)w); |
3898 | |
4082 | |
3899 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4083 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3900 | |
4084 | |
3901 | EV_FREQUENT_CHECK; |
4085 | EV_FREQUENT_CHECK; |
3902 | } |
4086 | } |
3903 | |
4087 | |
3904 | noinline |
4088 | ecb_noinline |
3905 | void |
4089 | void |
3906 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
4090 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3907 | { |
4091 | { |
3908 | if (expect_false (ev_is_active (w))) |
4092 | if (ecb_expect_false (ev_is_active (w))) |
3909 | return; |
4093 | return; |
3910 | |
4094 | |
3911 | ev_at (w) += mn_now; |
4095 | ev_at (w) += mn_now; |
3912 | |
4096 | |
3913 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4097 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
3914 | |
4098 | |
3915 | EV_FREQUENT_CHECK; |
4099 | EV_FREQUENT_CHECK; |
3916 | |
4100 | |
3917 | ++timercnt; |
4101 | ++timercnt; |
3918 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
4102 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3919 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
4103 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3920 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
4104 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3921 | ANHE_at_cache (timers [ev_active (w)]); |
4105 | ANHE_at_cache (timers [ev_active (w)]); |
3922 | upheap (timers, ev_active (w)); |
4106 | upheap (timers, ev_active (w)); |
3923 | |
4107 | |
3924 | EV_FREQUENT_CHECK; |
4108 | EV_FREQUENT_CHECK; |
3925 | |
4109 | |
3926 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4110 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3927 | } |
4111 | } |
3928 | |
4112 | |
3929 | noinline |
4113 | ecb_noinline |
3930 | void |
4114 | void |
3931 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
4115 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3932 | { |
4116 | { |
3933 | clear_pending (EV_A_ (W)w); |
4117 | clear_pending (EV_A_ (W)w); |
3934 | if (expect_false (!ev_is_active (w))) |
4118 | if (ecb_expect_false (!ev_is_active (w))) |
3935 | return; |
4119 | return; |
3936 | |
4120 | |
3937 | EV_FREQUENT_CHECK; |
4121 | EV_FREQUENT_CHECK; |
3938 | |
4122 | |
3939 | { |
4123 | { |
… | |
… | |
3941 | |
4125 | |
3942 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4126 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3943 | |
4127 | |
3944 | --timercnt; |
4128 | --timercnt; |
3945 | |
4129 | |
3946 | if (expect_true (active < timercnt + HEAP0)) |
4130 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3947 | { |
4131 | { |
3948 | timers [active] = timers [timercnt + HEAP0]; |
4132 | timers [active] = timers [timercnt + HEAP0]; |
3949 | adjustheap (timers, timercnt, active); |
4133 | adjustheap (timers, timercnt, active); |
3950 | } |
4134 | } |
3951 | } |
4135 | } |
… | |
… | |
3955 | ev_stop (EV_A_ (W)w); |
4139 | ev_stop (EV_A_ (W)w); |
3956 | |
4140 | |
3957 | EV_FREQUENT_CHECK; |
4141 | EV_FREQUENT_CHECK; |
3958 | } |
4142 | } |
3959 | |
4143 | |
3960 | noinline |
4144 | ecb_noinline |
3961 | void |
4145 | void |
3962 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
4146 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3963 | { |
4147 | { |
3964 | EV_FREQUENT_CHECK; |
4148 | EV_FREQUENT_CHECK; |
3965 | |
4149 | |
3966 | clear_pending (EV_A_ (W)w); |
4150 | clear_pending (EV_A_ (W)w); |
3967 | |
4151 | |
… | |
… | |
3984 | |
4168 | |
3985 | EV_FREQUENT_CHECK; |
4169 | EV_FREQUENT_CHECK; |
3986 | } |
4170 | } |
3987 | |
4171 | |
3988 | ev_tstamp |
4172 | ev_tstamp |
3989 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4173 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3990 | { |
4174 | { |
3991 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4175 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3992 | } |
4176 | } |
3993 | |
4177 | |
3994 | #if EV_PERIODIC_ENABLE |
4178 | #if EV_PERIODIC_ENABLE |
3995 | noinline |
4179 | ecb_noinline |
3996 | void |
4180 | void |
3997 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4181 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3998 | { |
4182 | { |
3999 | if (expect_false (ev_is_active (w))) |
4183 | if (ecb_expect_false (ev_is_active (w))) |
4000 | return; |
4184 | return; |
4001 | |
4185 | |
4002 | if (w->reschedule_cb) |
4186 | if (w->reschedule_cb) |
4003 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4187 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4004 | else if (w->interval) |
4188 | else if (w->interval) |
… | |
… | |
4011 | |
4195 | |
4012 | EV_FREQUENT_CHECK; |
4196 | EV_FREQUENT_CHECK; |
4013 | |
4197 | |
4014 | ++periodiccnt; |
4198 | ++periodiccnt; |
4015 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4199 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4016 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4200 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
4017 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4201 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4018 | ANHE_at_cache (periodics [ev_active (w)]); |
4202 | ANHE_at_cache (periodics [ev_active (w)]); |
4019 | upheap (periodics, ev_active (w)); |
4203 | upheap (periodics, ev_active (w)); |
4020 | |
4204 | |
4021 | EV_FREQUENT_CHECK; |
4205 | EV_FREQUENT_CHECK; |
4022 | |
4206 | |
4023 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4207 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4024 | } |
4208 | } |
4025 | |
4209 | |
4026 | noinline |
4210 | ecb_noinline |
4027 | void |
4211 | void |
4028 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4212 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4029 | { |
4213 | { |
4030 | clear_pending (EV_A_ (W)w); |
4214 | clear_pending (EV_A_ (W)w); |
4031 | if (expect_false (!ev_is_active (w))) |
4215 | if (ecb_expect_false (!ev_is_active (w))) |
4032 | return; |
4216 | return; |
4033 | |
4217 | |
4034 | EV_FREQUENT_CHECK; |
4218 | EV_FREQUENT_CHECK; |
4035 | |
4219 | |
4036 | { |
4220 | { |
… | |
… | |
4038 | |
4222 | |
4039 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4223 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4040 | |
4224 | |
4041 | --periodiccnt; |
4225 | --periodiccnt; |
4042 | |
4226 | |
4043 | if (expect_true (active < periodiccnt + HEAP0)) |
4227 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4044 | { |
4228 | { |
4045 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4229 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4046 | adjustheap (periodics, periodiccnt, active); |
4230 | adjustheap (periodics, periodiccnt, active); |
4047 | } |
4231 | } |
4048 | } |
4232 | } |
… | |
… | |
4050 | ev_stop (EV_A_ (W)w); |
4234 | ev_stop (EV_A_ (W)w); |
4051 | |
4235 | |
4052 | EV_FREQUENT_CHECK; |
4236 | EV_FREQUENT_CHECK; |
4053 | } |
4237 | } |
4054 | |
4238 | |
4055 | noinline |
4239 | ecb_noinline |
4056 | void |
4240 | void |
4057 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4241 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4058 | { |
4242 | { |
4059 | /* TODO: use adjustheap and recalculation */ |
4243 | /* TODO: use adjustheap and recalculation */ |
4060 | ev_periodic_stop (EV_A_ w); |
4244 | ev_periodic_stop (EV_A_ w); |
4061 | ev_periodic_start (EV_A_ w); |
4245 | ev_periodic_start (EV_A_ w); |
4062 | } |
4246 | } |
… | |
… | |
4066 | # define SA_RESTART 0 |
4250 | # define SA_RESTART 0 |
4067 | #endif |
4251 | #endif |
4068 | |
4252 | |
4069 | #if EV_SIGNAL_ENABLE |
4253 | #if EV_SIGNAL_ENABLE |
4070 | |
4254 | |
4071 | noinline |
4255 | ecb_noinline |
4072 | void |
4256 | void |
4073 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4257 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4074 | { |
4258 | { |
4075 | if (expect_false (ev_is_active (w))) |
4259 | if (ecb_expect_false (ev_is_active (w))) |
4076 | return; |
4260 | return; |
4077 | |
4261 | |
4078 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4262 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4079 | |
4263 | |
4080 | #if EV_MULTIPLICITY |
4264 | #if EV_MULTIPLICITY |
… | |
… | |
4149 | } |
4333 | } |
4150 | |
4334 | |
4151 | EV_FREQUENT_CHECK; |
4335 | EV_FREQUENT_CHECK; |
4152 | } |
4336 | } |
4153 | |
4337 | |
4154 | noinline |
4338 | ecb_noinline |
4155 | void |
4339 | void |
4156 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4340 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4157 | { |
4341 | { |
4158 | clear_pending (EV_A_ (W)w); |
4342 | clear_pending (EV_A_ (W)w); |
4159 | if (expect_false (!ev_is_active (w))) |
4343 | if (ecb_expect_false (!ev_is_active (w))) |
4160 | return; |
4344 | return; |
4161 | |
4345 | |
4162 | EV_FREQUENT_CHECK; |
4346 | EV_FREQUENT_CHECK; |
4163 | |
4347 | |
4164 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4348 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4192 | #endif |
4376 | #endif |
4193 | |
4377 | |
4194 | #if EV_CHILD_ENABLE |
4378 | #if EV_CHILD_ENABLE |
4195 | |
4379 | |
4196 | void |
4380 | void |
4197 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4381 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4198 | { |
4382 | { |
4199 | #if EV_MULTIPLICITY |
4383 | #if EV_MULTIPLICITY |
4200 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4384 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4201 | #endif |
4385 | #endif |
4202 | if (expect_false (ev_is_active (w))) |
4386 | if (ecb_expect_false (ev_is_active (w))) |
4203 | return; |
4387 | return; |
4204 | |
4388 | |
4205 | EV_FREQUENT_CHECK; |
4389 | EV_FREQUENT_CHECK; |
4206 | |
4390 | |
4207 | ev_start (EV_A_ (W)w, 1); |
4391 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4209 | |
4393 | |
4210 | EV_FREQUENT_CHECK; |
4394 | EV_FREQUENT_CHECK; |
4211 | } |
4395 | } |
4212 | |
4396 | |
4213 | void |
4397 | void |
4214 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4398 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4215 | { |
4399 | { |
4216 | clear_pending (EV_A_ (W)w); |
4400 | clear_pending (EV_A_ (W)w); |
4217 | if (expect_false (!ev_is_active (w))) |
4401 | if (ecb_expect_false (!ev_is_active (w))) |
4218 | return; |
4402 | return; |
4219 | |
4403 | |
4220 | EV_FREQUENT_CHECK; |
4404 | EV_FREQUENT_CHECK; |
4221 | |
4405 | |
4222 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4406 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4236 | |
4420 | |
4237 | #define DEF_STAT_INTERVAL 5.0074891 |
4421 | #define DEF_STAT_INTERVAL 5.0074891 |
4238 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4422 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4239 | #define MIN_STAT_INTERVAL 0.1074891 |
4423 | #define MIN_STAT_INTERVAL 0.1074891 |
4240 | |
4424 | |
4241 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4425 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4242 | |
4426 | |
4243 | #if EV_USE_INOTIFY |
4427 | #if EV_USE_INOTIFY |
4244 | |
4428 | |
4245 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4429 | /* 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) |
4430 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4247 | |
4431 | |
4248 | noinline |
4432 | ecb_noinline |
4249 | static void |
4433 | static void |
4250 | infy_add (EV_P_ ev_stat *w) |
4434 | infy_add (EV_P_ ev_stat *w) |
4251 | { |
4435 | { |
4252 | w->wd = inotify_add_watch (fs_fd, w->path, |
4436 | w->wd = inotify_add_watch (fs_fd, w->path, |
4253 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4437 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4318 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4502 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4319 | ev_timer_again (EV_A_ &w->timer); |
4503 | ev_timer_again (EV_A_ &w->timer); |
4320 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4504 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4321 | } |
4505 | } |
4322 | |
4506 | |
4323 | noinline |
4507 | ecb_noinline |
4324 | static void |
4508 | static void |
4325 | infy_del (EV_P_ ev_stat *w) |
4509 | infy_del (EV_P_ ev_stat *w) |
4326 | { |
4510 | { |
4327 | int slot; |
4511 | int slot; |
4328 | int wd = w->wd; |
4512 | int wd = w->wd; |
… | |
… | |
4336 | |
4520 | |
4337 | /* remove this watcher, if others are watching it, they will rearm */ |
4521 | /* remove this watcher, if others are watching it, they will rearm */ |
4338 | inotify_rm_watch (fs_fd, wd); |
4522 | inotify_rm_watch (fs_fd, wd); |
4339 | } |
4523 | } |
4340 | |
4524 | |
4341 | noinline |
4525 | ecb_noinline |
4342 | static void |
4526 | static void |
4343 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4527 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4344 | { |
4528 | { |
4345 | if (slot < 0) |
4529 | if (slot < 0) |
4346 | /* overflow, need to check for all hash slots */ |
4530 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4484 | #else |
4668 | #else |
4485 | # define EV_LSTAT(p,b) lstat (p, b) |
4669 | # define EV_LSTAT(p,b) lstat (p, b) |
4486 | #endif |
4670 | #endif |
4487 | |
4671 | |
4488 | void |
4672 | void |
4489 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4673 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4490 | { |
4674 | { |
4491 | if (lstat (w->path, &w->attr) < 0) |
4675 | if (lstat (w->path, &w->attr) < 0) |
4492 | w->attr.st_nlink = 0; |
4676 | w->attr.st_nlink = 0; |
4493 | else if (!w->attr.st_nlink) |
4677 | else if (!w->attr.st_nlink) |
4494 | w->attr.st_nlink = 1; |
4678 | w->attr.st_nlink = 1; |
4495 | } |
4679 | } |
4496 | |
4680 | |
4497 | noinline |
4681 | ecb_noinline |
4498 | static void |
4682 | static void |
4499 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4683 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4500 | { |
4684 | { |
4501 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4685 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4502 | |
4686 | |
… | |
… | |
4534 | ev_feed_event (EV_A_ w, EV_STAT); |
4718 | ev_feed_event (EV_A_ w, EV_STAT); |
4535 | } |
4719 | } |
4536 | } |
4720 | } |
4537 | |
4721 | |
4538 | void |
4722 | void |
4539 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4723 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4540 | { |
4724 | { |
4541 | if (expect_false (ev_is_active (w))) |
4725 | if (ecb_expect_false (ev_is_active (w))) |
4542 | return; |
4726 | return; |
4543 | |
4727 | |
4544 | ev_stat_stat (EV_A_ w); |
4728 | ev_stat_stat (EV_A_ w); |
4545 | |
4729 | |
4546 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
4730 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4565 | |
4749 | |
4566 | EV_FREQUENT_CHECK; |
4750 | EV_FREQUENT_CHECK; |
4567 | } |
4751 | } |
4568 | |
4752 | |
4569 | void |
4753 | void |
4570 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4754 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4571 | { |
4755 | { |
4572 | clear_pending (EV_A_ (W)w); |
4756 | clear_pending (EV_A_ (W)w); |
4573 | if (expect_false (!ev_is_active (w))) |
4757 | if (ecb_expect_false (!ev_is_active (w))) |
4574 | return; |
4758 | return; |
4575 | |
4759 | |
4576 | EV_FREQUENT_CHECK; |
4760 | EV_FREQUENT_CHECK; |
4577 | |
4761 | |
4578 | #if EV_USE_INOTIFY |
4762 | #if EV_USE_INOTIFY |
… | |
… | |
4591 | } |
4775 | } |
4592 | #endif |
4776 | #endif |
4593 | |
4777 | |
4594 | #if EV_IDLE_ENABLE |
4778 | #if EV_IDLE_ENABLE |
4595 | void |
4779 | void |
4596 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4780 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4597 | { |
4781 | { |
4598 | if (expect_false (ev_is_active (w))) |
4782 | if (ecb_expect_false (ev_is_active (w))) |
4599 | return; |
4783 | return; |
4600 | |
4784 | |
4601 | pri_adjust (EV_A_ (W)w); |
4785 | pri_adjust (EV_A_ (W)w); |
4602 | |
4786 | |
4603 | EV_FREQUENT_CHECK; |
4787 | EV_FREQUENT_CHECK; |
… | |
… | |
4606 | int active = ++idlecnt [ABSPRI (w)]; |
4790 | int active = ++idlecnt [ABSPRI (w)]; |
4607 | |
4791 | |
4608 | ++idleall; |
4792 | ++idleall; |
4609 | ev_start (EV_A_ (W)w, active); |
4793 | ev_start (EV_A_ (W)w, active); |
4610 | |
4794 | |
4611 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4795 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4612 | idles [ABSPRI (w)][active - 1] = w; |
4796 | idles [ABSPRI (w)][active - 1] = w; |
4613 | } |
4797 | } |
4614 | |
4798 | |
4615 | EV_FREQUENT_CHECK; |
4799 | EV_FREQUENT_CHECK; |
4616 | } |
4800 | } |
4617 | |
4801 | |
4618 | void |
4802 | void |
4619 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4803 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4620 | { |
4804 | { |
4621 | clear_pending (EV_A_ (W)w); |
4805 | clear_pending (EV_A_ (W)w); |
4622 | if (expect_false (!ev_is_active (w))) |
4806 | if (ecb_expect_false (!ev_is_active (w))) |
4623 | return; |
4807 | return; |
4624 | |
4808 | |
4625 | EV_FREQUENT_CHECK; |
4809 | EV_FREQUENT_CHECK; |
4626 | |
4810 | |
4627 | { |
4811 | { |
… | |
… | |
4638 | } |
4822 | } |
4639 | #endif |
4823 | #endif |
4640 | |
4824 | |
4641 | #if EV_PREPARE_ENABLE |
4825 | #if EV_PREPARE_ENABLE |
4642 | void |
4826 | void |
4643 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4827 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4644 | { |
4828 | { |
4645 | if (expect_false (ev_is_active (w))) |
4829 | if (ecb_expect_false (ev_is_active (w))) |
4646 | return; |
4830 | return; |
4647 | |
4831 | |
4648 | EV_FREQUENT_CHECK; |
4832 | EV_FREQUENT_CHECK; |
4649 | |
4833 | |
4650 | ev_start (EV_A_ (W)w, ++preparecnt); |
4834 | ev_start (EV_A_ (W)w, ++preparecnt); |
4651 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4835 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4652 | prepares [preparecnt - 1] = w; |
4836 | prepares [preparecnt - 1] = w; |
4653 | |
4837 | |
4654 | EV_FREQUENT_CHECK; |
4838 | EV_FREQUENT_CHECK; |
4655 | } |
4839 | } |
4656 | |
4840 | |
4657 | void |
4841 | void |
4658 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4842 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4659 | { |
4843 | { |
4660 | clear_pending (EV_A_ (W)w); |
4844 | clear_pending (EV_A_ (W)w); |
4661 | if (expect_false (!ev_is_active (w))) |
4845 | if (ecb_expect_false (!ev_is_active (w))) |
4662 | return; |
4846 | return; |
4663 | |
4847 | |
4664 | EV_FREQUENT_CHECK; |
4848 | EV_FREQUENT_CHECK; |
4665 | |
4849 | |
4666 | { |
4850 | { |
… | |
… | |
4676 | } |
4860 | } |
4677 | #endif |
4861 | #endif |
4678 | |
4862 | |
4679 | #if EV_CHECK_ENABLE |
4863 | #if EV_CHECK_ENABLE |
4680 | void |
4864 | void |
4681 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4865 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4682 | { |
4866 | { |
4683 | if (expect_false (ev_is_active (w))) |
4867 | if (ecb_expect_false (ev_is_active (w))) |
4684 | return; |
4868 | return; |
4685 | |
4869 | |
4686 | EV_FREQUENT_CHECK; |
4870 | EV_FREQUENT_CHECK; |
4687 | |
4871 | |
4688 | ev_start (EV_A_ (W)w, ++checkcnt); |
4872 | ev_start (EV_A_ (W)w, ++checkcnt); |
4689 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4873 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4690 | checks [checkcnt - 1] = w; |
4874 | checks [checkcnt - 1] = w; |
4691 | |
4875 | |
4692 | EV_FREQUENT_CHECK; |
4876 | EV_FREQUENT_CHECK; |
4693 | } |
4877 | } |
4694 | |
4878 | |
4695 | void |
4879 | void |
4696 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4880 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4697 | { |
4881 | { |
4698 | clear_pending (EV_A_ (W)w); |
4882 | clear_pending (EV_A_ (W)w); |
4699 | if (expect_false (!ev_is_active (w))) |
4883 | if (ecb_expect_false (!ev_is_active (w))) |
4700 | return; |
4884 | return; |
4701 | |
4885 | |
4702 | EV_FREQUENT_CHECK; |
4886 | EV_FREQUENT_CHECK; |
4703 | |
4887 | |
4704 | { |
4888 | { |
… | |
… | |
4713 | EV_FREQUENT_CHECK; |
4897 | EV_FREQUENT_CHECK; |
4714 | } |
4898 | } |
4715 | #endif |
4899 | #endif |
4716 | |
4900 | |
4717 | #if EV_EMBED_ENABLE |
4901 | #if EV_EMBED_ENABLE |
4718 | noinline |
4902 | ecb_noinline |
4719 | void |
4903 | void |
4720 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4904 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4721 | { |
4905 | { |
4722 | ev_run (w->other, EVRUN_NOWAIT); |
4906 | ev_run (w->other, EVRUN_NOWAIT); |
4723 | } |
4907 | } |
4724 | |
4908 | |
4725 | static void |
4909 | static void |
… | |
… | |
4773 | ev_idle_stop (EV_A_ idle); |
4957 | ev_idle_stop (EV_A_ idle); |
4774 | } |
4958 | } |
4775 | #endif |
4959 | #endif |
4776 | |
4960 | |
4777 | void |
4961 | void |
4778 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4962 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4779 | { |
4963 | { |
4780 | if (expect_false (ev_is_active (w))) |
4964 | if (ecb_expect_false (ev_is_active (w))) |
4781 | return; |
4965 | return; |
4782 | |
4966 | |
4783 | { |
4967 | { |
4784 | EV_P = w->other; |
4968 | EV_P = w->other; |
4785 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
4969 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4804 | |
4988 | |
4805 | EV_FREQUENT_CHECK; |
4989 | EV_FREQUENT_CHECK; |
4806 | } |
4990 | } |
4807 | |
4991 | |
4808 | void |
4992 | void |
4809 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4993 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4810 | { |
4994 | { |
4811 | clear_pending (EV_A_ (W)w); |
4995 | clear_pending (EV_A_ (W)w); |
4812 | if (expect_false (!ev_is_active (w))) |
4996 | if (ecb_expect_false (!ev_is_active (w))) |
4813 | return; |
4997 | return; |
4814 | |
4998 | |
4815 | EV_FREQUENT_CHECK; |
4999 | EV_FREQUENT_CHECK; |
4816 | |
5000 | |
4817 | ev_io_stop (EV_A_ &w->io); |
5001 | ev_io_stop (EV_A_ &w->io); |
… | |
… | |
4824 | } |
5008 | } |
4825 | #endif |
5009 | #endif |
4826 | |
5010 | |
4827 | #if EV_FORK_ENABLE |
5011 | #if EV_FORK_ENABLE |
4828 | void |
5012 | void |
4829 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
5013 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4830 | { |
5014 | { |
4831 | if (expect_false (ev_is_active (w))) |
5015 | if (ecb_expect_false (ev_is_active (w))) |
4832 | return; |
5016 | return; |
4833 | |
5017 | |
4834 | EV_FREQUENT_CHECK; |
5018 | EV_FREQUENT_CHECK; |
4835 | |
5019 | |
4836 | ev_start (EV_A_ (W)w, ++forkcnt); |
5020 | ev_start (EV_A_ (W)w, ++forkcnt); |
4837 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
5021 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4838 | forks [forkcnt - 1] = w; |
5022 | forks [forkcnt - 1] = w; |
4839 | |
5023 | |
4840 | EV_FREQUENT_CHECK; |
5024 | EV_FREQUENT_CHECK; |
4841 | } |
5025 | } |
4842 | |
5026 | |
4843 | void |
5027 | void |
4844 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
5028 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4845 | { |
5029 | { |
4846 | clear_pending (EV_A_ (W)w); |
5030 | clear_pending (EV_A_ (W)w); |
4847 | if (expect_false (!ev_is_active (w))) |
5031 | if (ecb_expect_false (!ev_is_active (w))) |
4848 | return; |
5032 | return; |
4849 | |
5033 | |
4850 | EV_FREQUENT_CHECK; |
5034 | EV_FREQUENT_CHECK; |
4851 | |
5035 | |
4852 | { |
5036 | { |
… | |
… | |
4862 | } |
5046 | } |
4863 | #endif |
5047 | #endif |
4864 | |
5048 | |
4865 | #if EV_CLEANUP_ENABLE |
5049 | #if EV_CLEANUP_ENABLE |
4866 | void |
5050 | void |
4867 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
5051 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4868 | { |
5052 | { |
4869 | if (expect_false (ev_is_active (w))) |
5053 | if (ecb_expect_false (ev_is_active (w))) |
4870 | return; |
5054 | return; |
4871 | |
5055 | |
4872 | EV_FREQUENT_CHECK; |
5056 | EV_FREQUENT_CHECK; |
4873 | |
5057 | |
4874 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5058 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4875 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
5059 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4876 | cleanups [cleanupcnt - 1] = w; |
5060 | cleanups [cleanupcnt - 1] = w; |
4877 | |
5061 | |
4878 | /* cleanup watchers should never keep a refcount on the loop */ |
5062 | /* cleanup watchers should never keep a refcount on the loop */ |
4879 | ev_unref (EV_A); |
5063 | ev_unref (EV_A); |
4880 | EV_FREQUENT_CHECK; |
5064 | EV_FREQUENT_CHECK; |
4881 | } |
5065 | } |
4882 | |
5066 | |
4883 | void |
5067 | void |
4884 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
5068 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4885 | { |
5069 | { |
4886 | clear_pending (EV_A_ (W)w); |
5070 | clear_pending (EV_A_ (W)w); |
4887 | if (expect_false (!ev_is_active (w))) |
5071 | if (ecb_expect_false (!ev_is_active (w))) |
4888 | return; |
5072 | return; |
4889 | |
5073 | |
4890 | EV_FREQUENT_CHECK; |
5074 | EV_FREQUENT_CHECK; |
4891 | ev_ref (EV_A); |
5075 | ev_ref (EV_A); |
4892 | |
5076 | |
… | |
… | |
4903 | } |
5087 | } |
4904 | #endif |
5088 | #endif |
4905 | |
5089 | |
4906 | #if EV_ASYNC_ENABLE |
5090 | #if EV_ASYNC_ENABLE |
4907 | void |
5091 | void |
4908 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
5092 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4909 | { |
5093 | { |
4910 | if (expect_false (ev_is_active (w))) |
5094 | if (ecb_expect_false (ev_is_active (w))) |
4911 | return; |
5095 | return; |
4912 | |
5096 | |
4913 | w->sent = 0; |
5097 | w->sent = 0; |
4914 | |
5098 | |
4915 | evpipe_init (EV_A); |
5099 | evpipe_init (EV_A); |
4916 | |
5100 | |
4917 | EV_FREQUENT_CHECK; |
5101 | EV_FREQUENT_CHECK; |
4918 | |
5102 | |
4919 | ev_start (EV_A_ (W)w, ++asynccnt); |
5103 | ev_start (EV_A_ (W)w, ++asynccnt); |
4920 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
5104 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4921 | asyncs [asynccnt - 1] = w; |
5105 | asyncs [asynccnt - 1] = w; |
4922 | |
5106 | |
4923 | EV_FREQUENT_CHECK; |
5107 | EV_FREQUENT_CHECK; |
4924 | } |
5108 | } |
4925 | |
5109 | |
4926 | void |
5110 | void |
4927 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
5111 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4928 | { |
5112 | { |
4929 | clear_pending (EV_A_ (W)w); |
5113 | clear_pending (EV_A_ (W)w); |
4930 | if (expect_false (!ev_is_active (w))) |
5114 | if (ecb_expect_false (!ev_is_active (w))) |
4931 | return; |
5115 | return; |
4932 | |
5116 | |
4933 | EV_FREQUENT_CHECK; |
5117 | EV_FREQUENT_CHECK; |
4934 | |
5118 | |
4935 | { |
5119 | { |
… | |
… | |
4943 | |
5127 | |
4944 | EV_FREQUENT_CHECK; |
5128 | EV_FREQUENT_CHECK; |
4945 | } |
5129 | } |
4946 | |
5130 | |
4947 | void |
5131 | void |
4948 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
5132 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4949 | { |
5133 | { |
4950 | w->sent = 1; |
5134 | w->sent = 1; |
4951 | evpipe_write (EV_A_ &async_pending); |
5135 | evpipe_write (EV_A_ &async_pending); |
4952 | } |
5136 | } |
4953 | #endif |
5137 | #endif |
… | |
… | |
4990 | |
5174 | |
4991 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5175 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4992 | } |
5176 | } |
4993 | |
5177 | |
4994 | void |
5178 | void |
4995 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5179 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4996 | { |
5180 | { |
4997 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5181 | 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 | |
5182 | |
5005 | once->cb = cb; |
5183 | once->cb = cb; |
5006 | once->arg = arg; |
5184 | once->arg = arg; |
5007 | |
5185 | |
5008 | ev_init (&once->io, once_cb_io); |
5186 | ev_init (&once->io, once_cb_io); |
… | |
… | |
5023 | /*****************************************************************************/ |
5201 | /*****************************************************************************/ |
5024 | |
5202 | |
5025 | #if EV_WALK_ENABLE |
5203 | #if EV_WALK_ENABLE |
5026 | ecb_cold |
5204 | ecb_cold |
5027 | void |
5205 | void |
5028 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5206 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
5029 | { |
5207 | { |
5030 | int i, j; |
5208 | int i, j; |
5031 | ev_watcher_list *wl, *wn; |
5209 | ev_watcher_list *wl, *wn; |
5032 | |
5210 | |
5033 | if (types & (EV_IO | EV_EMBED)) |
5211 | if (types & (EV_IO | EV_EMBED)) |