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) */ |
487 | |
540 | |
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541 | /* find a portable timestamp that is "always" 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 larger than 32 bit, and maybe the unlikely floating 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.) \ |
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548 | |
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549 | #ifndef EV_TS_CONST |
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550 | # define EV_TS_CONST(nv) nv |
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551 | # define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999 |
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552 | # define EV_TS_FROM_USEC(us) us * 1e-6 |
488 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
553 | # 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) |
554 | # define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
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555 | # define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6) |
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556 | # define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9) |
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557 | #endif |
490 | |
558 | |
491 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
559 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
492 | /* ECB.H BEGIN */ |
560 | /* ECB.H BEGIN */ |
493 | /* |
561 | /* |
494 | * libecb - http://software.schmorp.de/pkg/libecb |
562 | * libecb - http://software.schmorp.de/pkg/libecb |
… | |
… | |
532 | |
600 | |
533 | #ifndef ECB_H |
601 | #ifndef ECB_H |
534 | #define ECB_H |
602 | #define ECB_H |
535 | |
603 | |
536 | /* 16 bits major, 16 bits minor */ |
604 | /* 16 bits major, 16 bits minor */ |
537 | #define ECB_VERSION 0x00010005 |
605 | #define ECB_VERSION 0x00010006 |
538 | |
606 | |
539 | #ifdef _WIN32 |
607 | #ifdef _WIN32 |
540 | typedef signed char int8_t; |
608 | typedef signed char int8_t; |
541 | typedef unsigned char uint8_t; |
609 | typedef unsigned char uint8_t; |
542 | typedef signed short int16_t; |
610 | typedef signed short int16_t; |
… | |
… | |
607 | #define ECB_CLANG_EXTENSION(x) 0 |
675 | #define ECB_CLANG_EXTENSION(x) 0 |
608 | #endif |
676 | #endif |
609 | |
677 | |
610 | #define ECB_CPP (__cplusplus+0) |
678 | #define ECB_CPP (__cplusplus+0) |
611 | #define ECB_CPP11 (__cplusplus >= 201103L) |
679 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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680 | #define ECB_CPP14 (__cplusplus >= 201402L) |
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681 | #define ECB_CPP17 (__cplusplus >= 201703L) |
612 | |
682 | |
613 | #if ECB_CPP |
683 | #if ECB_CPP |
614 | #define ECB_C 0 |
684 | #define ECB_C 0 |
615 | #define ECB_STDC_VERSION 0 |
685 | #define ECB_STDC_VERSION 0 |
616 | #else |
686 | #else |
… | |
… | |
618 | #define ECB_STDC_VERSION __STDC_VERSION__ |
688 | #define ECB_STDC_VERSION __STDC_VERSION__ |
619 | #endif |
689 | #endif |
620 | |
690 | |
621 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
691 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
622 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
692 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
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|
693 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
623 | |
694 | |
624 | #if ECB_CPP |
695 | #if ECB_CPP |
625 | #define ECB_EXTERN_C extern "C" |
696 | #define ECB_EXTERN_C extern "C" |
626 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
697 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
627 | #define ECB_EXTERN_C_END } |
698 | #define ECB_EXTERN_C_END } |
… | |
… | |
653 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
724 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
654 | #endif |
725 | #endif |
655 | |
726 | |
656 | #ifndef ECB_MEMORY_FENCE |
727 | #ifndef ECB_MEMORY_FENCE |
657 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
728 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
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|
729 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
658 | #if __i386 || __i386__ |
730 | #if __i386 || __i386__ |
659 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
731 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
660 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
732 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
661 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
733 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
662 | #elif ECB_GCC_AMD64 |
734 | #elif ECB_GCC_AMD64 |
663 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
735 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
664 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
736 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
665 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
737 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
666 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
738 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
667 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
739 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
668 | #elif defined __ARM_ARCH_2__ \ |
740 | #elif defined __ARM_ARCH_2__ \ |
669 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
741 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
670 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
742 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
… | |
… | |
712 | #if ECB_GCC_VERSION(4,7) |
784 | #if ECB_GCC_VERSION(4,7) |
713 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
785 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
714 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
786 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
715 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
787 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
716 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
788 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
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|
789 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
717 | |
790 | |
718 | #elif ECB_CLANG_EXTENSION(c_atomic) |
791 | #elif ECB_CLANG_EXTENSION(c_atomic) |
719 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
792 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
720 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
793 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
721 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
794 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
722 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
795 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
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|
796 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
723 | |
797 | |
724 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
798 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
725 | #define ECB_MEMORY_FENCE __sync_synchronize () |
799 | #define ECB_MEMORY_FENCE __sync_synchronize () |
726 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
800 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
727 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
801 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
737 | #elif defined _WIN32 |
811 | #elif defined _WIN32 |
738 | #include <WinNT.h> |
812 | #include <WinNT.h> |
739 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
813 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
740 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
814 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
741 | #include <mbarrier.h> |
815 | #include <mbarrier.h> |
742 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
816 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
743 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
817 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
744 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
818 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
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|
819 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
745 | #elif __xlC__ |
820 | #elif __xlC__ |
746 | #define ECB_MEMORY_FENCE __sync () |
821 | #define ECB_MEMORY_FENCE __sync () |
747 | #endif |
822 | #endif |
748 | #endif |
823 | #endif |
749 | |
824 | |
750 | #ifndef ECB_MEMORY_FENCE |
825 | #ifndef ECB_MEMORY_FENCE |
751 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
826 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
752 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
827 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
753 | /* not just C11 atomics and atomic accesses */ |
828 | /* not just C11 atomics and atomic accesses */ |
754 | #include <stdatomic.h> |
829 | #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 */ |
|
|
763 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
830 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
831 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
|
|
832 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
764 | #endif |
833 | #endif |
765 | #endif |
834 | #endif |
766 | |
835 | |
767 | #ifndef ECB_MEMORY_FENCE |
836 | #ifndef ECB_MEMORY_FENCE |
768 | #if !ECB_AVOID_PTHREADS |
837 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
786 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
855 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
787 | #endif |
856 | #endif |
788 | |
857 | |
789 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
858 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
790 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
859 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
860 | #endif |
|
|
861 | |
|
|
862 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
863 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
791 | #endif |
864 | #endif |
792 | |
865 | |
793 | /*****************************************************************************/ |
866 | /*****************************************************************************/ |
794 | |
867 | |
795 | #if ECB_CPP |
868 | #if ECB_CPP |
… | |
… | |
1504 | /* ECB.H END */ |
1577 | /* ECB.H END */ |
1505 | |
1578 | |
1506 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1579 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1507 | /* if your architecture doesn't need memory fences, e.g. because it is |
1580 | /* 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 |
1581 | * 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 |
1582 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
1510 | * libev, in which cases the memory fences become nops. |
1583 | * libev, in which cases the memory fences become nops. |
1511 | * alternatively, you can remove this #error and link against libpthread, |
1584 | * alternatively, you can remove this #error and link against libpthread, |
1512 | * which will then provide the memory fences. |
1585 | * which will then provide the memory fences. |
1513 | */ |
1586 | */ |
1514 | # error "memory fences not defined for your architecture, please report" |
1587 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1518 | # define ECB_MEMORY_FENCE do { } while (0) |
1591 | # define ECB_MEMORY_FENCE do { } while (0) |
1519 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1592 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1520 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1593 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1521 | #endif |
1594 | #endif |
1522 | |
1595 | |
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 |
1596 | #define inline_size ecb_inline |
1528 | |
1597 | |
1529 | #if EV_FEATURE_CODE |
1598 | #if EV_FEATURE_CODE |
1530 | # define inline_speed ecb_inline |
1599 | # define inline_speed ecb_inline |
1531 | #else |
1600 | #else |
1532 | # define inline_speed noinline static |
1601 | # define inline_speed ecb_noinline static |
1533 | #endif |
1602 | #endif |
|
|
1603 | |
|
|
1604 | /*****************************************************************************/ |
|
|
1605 | /* raw syscall wrappers */ |
|
|
1606 | |
|
|
1607 | #if EV_NEED_SYSCALL |
|
|
1608 | |
|
|
1609 | #include <sys/syscall.h> |
|
|
1610 | |
|
|
1611 | /* |
|
|
1612 | * define some syscall wrappers for common architectures |
|
|
1613 | * this is mostly for nice looks during debugging, not performance. |
|
|
1614 | * our syscalls return < 0, not == -1, on error. which is good |
|
|
1615 | * enough for linux aio. |
|
|
1616 | * TODO: arm is also common nowadays, maybe even mips and x86 |
|
|
1617 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
|
|
1618 | */ |
|
|
1619 | #if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__ |
|
|
1620 | /* the costly errno access probably kills this for size optimisation */ |
|
|
1621 | |
|
|
1622 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
|
|
1623 | ({ \ |
|
|
1624 | long res; \ |
|
|
1625 | register unsigned long r6 __asm__ ("r9" ); \ |
|
|
1626 | register unsigned long r5 __asm__ ("r8" ); \ |
|
|
1627 | register unsigned long r4 __asm__ ("r10"); \ |
|
|
1628 | register unsigned long r3 __asm__ ("rdx"); \ |
|
|
1629 | register unsigned long r2 __asm__ ("rsi"); \ |
|
|
1630 | register unsigned long r1 __asm__ ("rdi"); \ |
|
|
1631 | if (narg >= 6) r6 = (unsigned long)(arg6); \ |
|
|
1632 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
|
|
1633 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
|
|
1634 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
|
|
1635 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
|
|
1636 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
|
|
1637 | __asm__ __volatile__ ( \ |
|
|
1638 | "syscall\n\t" \ |
|
|
1639 | : "=a" (res) \ |
|
|
1640 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
|
|
1641 | : "cc", "r11", "cx", "memory"); \ |
|
|
1642 | errno = -res; \ |
|
|
1643 | res; \ |
|
|
1644 | }) |
|
|
1645 | |
|
|
1646 | #endif |
|
|
1647 | |
|
|
1648 | #ifdef ev_syscall |
|
|
1649 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0) |
|
|
1650 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0) |
|
|
1651 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0) |
|
|
1652 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0) |
|
|
1653 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0) |
|
|
1654 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0) |
|
|
1655 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1656 | #else |
|
|
1657 | #define ev_syscall0(nr) syscall (nr) |
|
|
1658 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
|
|
1659 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
|
|
1660 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
|
|
1661 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
|
|
1662 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
|
|
1663 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1664 | #endif |
|
|
1665 | |
|
|
1666 | #endif |
|
|
1667 | |
|
|
1668 | /*****************************************************************************/ |
1534 | |
1669 | |
1535 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1670 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1536 | |
1671 | |
1537 | #if EV_MINPRI == EV_MAXPRI |
1672 | #if EV_MINPRI == EV_MAXPRI |
1538 | # define ABSPRI(w) (((W)w), 0) |
1673 | # define ABSPRI(w) (((W)w), 0) |
1539 | #else |
1674 | #else |
1540 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1675 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1541 | #endif |
1676 | #endif |
1542 | |
1677 | |
1543 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1678 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1544 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1545 | |
1679 | |
1546 | typedef ev_watcher *W; |
1680 | typedef ev_watcher *W; |
1547 | typedef ev_watcher_list *WL; |
1681 | typedef ev_watcher_list *WL; |
1548 | typedef ev_watcher_time *WT; |
1682 | typedef ev_watcher_time *WT; |
1549 | |
1683 | |
… | |
… | |
1574 | # include "ev_win32.c" |
1708 | # include "ev_win32.c" |
1575 | #endif |
1709 | #endif |
1576 | |
1710 | |
1577 | /*****************************************************************************/ |
1711 | /*****************************************************************************/ |
1578 | |
1712 | |
|
|
1713 | #if EV_USE_LINUXAIO |
|
|
1714 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1715 | #endif |
|
|
1716 | |
1579 | /* define a suitable floor function (only used by periodics atm) */ |
1717 | /* define a suitable floor function (only used by periodics atm) */ |
1580 | |
1718 | |
1581 | #if EV_USE_FLOOR |
1719 | #if EV_USE_FLOOR |
1582 | # include <math.h> |
1720 | # include <math.h> |
1583 | # define ev_floor(v) floor (v) |
1721 | # define ev_floor(v) floor (v) |
1584 | #else |
1722 | #else |
1585 | |
1723 | |
1586 | #include <float.h> |
1724 | #include <float.h> |
1587 | |
1725 | |
1588 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1726 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1589 | noinline |
1727 | ecb_noinline |
1590 | static ev_tstamp |
1728 | static ev_tstamp |
1591 | ev_floor (ev_tstamp v) |
1729 | ev_floor (ev_tstamp v) |
1592 | { |
1730 | { |
1593 | /* the choice of shift factor is not terribly important */ |
1731 | /* the choice of shift factor is not terribly important */ |
1594 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1732 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1595 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1733 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1596 | #else |
1734 | #else |
1597 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1735 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1598 | #endif |
1736 | #endif |
1599 | |
1737 | |
|
|
1738 | /* special treatment for negative arguments */ |
|
|
1739 | if (ecb_expect_false (v < 0.)) |
|
|
1740 | { |
|
|
1741 | ev_tstamp f = -ev_floor (-v); |
|
|
1742 | |
|
|
1743 | return f - (f == v ? 0 : 1); |
|
|
1744 | } |
|
|
1745 | |
1600 | /* argument too large for an unsigned long? */ |
1746 | /* argument too large for an unsigned long? then reduce it */ |
1601 | if (expect_false (v >= shift)) |
1747 | if (ecb_expect_false (v >= shift)) |
1602 | { |
1748 | { |
1603 | ev_tstamp f; |
1749 | ev_tstamp f; |
1604 | |
1750 | |
1605 | if (v == v - 1.) |
1751 | if (v == v - 1.) |
1606 | return v; /* very large number */ |
1752 | return v; /* very large numbers are assumed to be integer */ |
1607 | |
1753 | |
1608 | f = shift * ev_floor (v * (1. / shift)); |
1754 | f = shift * ev_floor (v * (1. / shift)); |
1609 | return f + ev_floor (v - f); |
1755 | return f + ev_floor (v - f); |
1610 | } |
1756 | } |
1611 | |
1757 | |
1612 | /* special treatment for negative args? */ |
|
|
1613 | if (expect_false (v < 0.)) |
|
|
1614 | { |
|
|
1615 | ev_tstamp f = -ev_floor (-v); |
|
|
1616 | |
|
|
1617 | return f - (f == v ? 0 : 1); |
|
|
1618 | } |
|
|
1619 | |
|
|
1620 | /* fits into an unsigned long */ |
1758 | /* fits into an unsigned long */ |
1621 | return (unsigned long)v; |
1759 | return (unsigned long)v; |
1622 | } |
1760 | } |
1623 | |
1761 | |
1624 | #endif |
1762 | #endif |
… | |
… | |
1627 | |
1765 | |
1628 | #ifdef __linux |
1766 | #ifdef __linux |
1629 | # include <sys/utsname.h> |
1767 | # include <sys/utsname.h> |
1630 | #endif |
1768 | #endif |
1631 | |
1769 | |
1632 | noinline ecb_cold |
1770 | ecb_noinline ecb_cold |
1633 | static unsigned int |
1771 | static unsigned int |
1634 | ev_linux_version (void) |
1772 | ev_linux_version (void) |
1635 | { |
1773 | { |
1636 | #ifdef __linux |
1774 | #ifdef __linux |
1637 | unsigned int v = 0; |
1775 | unsigned int v = 0; |
… | |
… | |
1667 | } |
1805 | } |
1668 | |
1806 | |
1669 | /*****************************************************************************/ |
1807 | /*****************************************************************************/ |
1670 | |
1808 | |
1671 | #if EV_AVOID_STDIO |
1809 | #if EV_AVOID_STDIO |
1672 | noinline ecb_cold |
1810 | ecb_noinline ecb_cold |
1673 | static void |
1811 | static void |
1674 | ev_printerr (const char *msg) |
1812 | ev_printerr (const char *msg) |
1675 | { |
1813 | { |
1676 | write (STDERR_FILENO, msg, strlen (msg)); |
1814 | write (STDERR_FILENO, msg, strlen (msg)); |
1677 | } |
1815 | } |
1678 | #endif |
1816 | #endif |
1679 | |
1817 | |
1680 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1818 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1681 | |
1819 | |
1682 | ecb_cold |
1820 | ecb_cold |
1683 | void |
1821 | void |
1684 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1822 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1685 | { |
1823 | { |
1686 | syserr_cb = cb; |
1824 | syserr_cb = cb; |
1687 | } |
1825 | } |
1688 | |
1826 | |
1689 | noinline ecb_cold |
1827 | ecb_noinline ecb_cold |
1690 | static void |
1828 | static void |
1691 | ev_syserr (const char *msg) |
1829 | ev_syserr (const char *msg) |
1692 | { |
1830 | { |
1693 | if (!msg) |
1831 | if (!msg) |
1694 | msg = "(libev) system error"; |
1832 | msg = "(libev) system error"; |
… | |
… | |
1708 | abort (); |
1846 | abort (); |
1709 | } |
1847 | } |
1710 | } |
1848 | } |
1711 | |
1849 | |
1712 | static void * |
1850 | static void * |
1713 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1851 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1714 | { |
1852 | { |
1715 | /* some systems, notably openbsd and darwin, fail to properly |
1853 | /* some systems, notably openbsd and darwin, fail to properly |
1716 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1854 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1717 | * the single unix specification, so work around them here. |
1855 | * the single unix specification, so work around them here. |
1718 | * recently, also (at least) fedora and debian started breaking it, |
1856 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1724 | |
1862 | |
1725 | free (ptr); |
1863 | free (ptr); |
1726 | return 0; |
1864 | return 0; |
1727 | } |
1865 | } |
1728 | |
1866 | |
1729 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1867 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1730 | |
1868 | |
1731 | ecb_cold |
1869 | ecb_cold |
1732 | void |
1870 | void |
1733 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1871 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1734 | { |
1872 | { |
1735 | alloc = cb; |
1873 | alloc = cb; |
1736 | } |
1874 | } |
1737 | |
1875 | |
1738 | inline_speed void * |
1876 | inline_speed void * |
… | |
… | |
1765 | typedef struct |
1903 | typedef struct |
1766 | { |
1904 | { |
1767 | WL head; |
1905 | WL head; |
1768 | unsigned char events; /* the events watched for */ |
1906 | unsigned char events; /* the events watched for */ |
1769 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1907 | 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 */ |
1908 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1771 | unsigned char unused; |
1909 | unsigned char eflags; /* flags field for use by backends */ |
1772 | #if EV_USE_EPOLL |
1910 | #if EV_USE_EPOLL |
1773 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1911 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1774 | #endif |
1912 | #endif |
1775 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1913 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1776 | SOCKET handle; |
1914 | SOCKET handle; |
… | |
… | |
1830 | static struct ev_loop default_loop_struct; |
1968 | static struct ev_loop default_loop_struct; |
1831 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1969 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1832 | |
1970 | |
1833 | #else |
1971 | #else |
1834 | |
1972 | |
1835 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
1973 | EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */ |
1836 | #define VAR(name,decl) static decl; |
1974 | #define VAR(name,decl) static decl; |
1837 | #include "ev_vars.h" |
1975 | #include "ev_vars.h" |
1838 | #undef VAR |
1976 | #undef VAR |
1839 | |
1977 | |
1840 | static int ev_default_loop_ptr; |
1978 | static int ev_default_loop_ptr; |
1841 | |
1979 | |
1842 | #endif |
1980 | #endif |
1843 | |
1981 | |
1844 | #if EV_FEATURE_API |
1982 | #if EV_FEATURE_API |
1845 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
1983 | # 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) |
1984 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1847 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1985 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1848 | #else |
1986 | #else |
1849 | # define EV_RELEASE_CB (void)0 |
1987 | # define EV_RELEASE_CB (void)0 |
1850 | # define EV_ACQUIRE_CB (void)0 |
1988 | # define EV_ACQUIRE_CB (void)0 |
1851 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
1989 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1855 | |
1993 | |
1856 | /*****************************************************************************/ |
1994 | /*****************************************************************************/ |
1857 | |
1995 | |
1858 | #ifndef EV_HAVE_EV_TIME |
1996 | #ifndef EV_HAVE_EV_TIME |
1859 | ev_tstamp |
1997 | ev_tstamp |
1860 | ev_time (void) EV_THROW |
1998 | ev_time (void) EV_NOEXCEPT |
1861 | { |
1999 | { |
1862 | #if EV_USE_REALTIME |
2000 | #if EV_USE_REALTIME |
1863 | if (expect_true (have_realtime)) |
2001 | if (ecb_expect_true (have_realtime)) |
1864 | { |
2002 | { |
1865 | struct timespec ts; |
2003 | struct timespec ts; |
1866 | clock_gettime (CLOCK_REALTIME, &ts); |
2004 | clock_gettime (CLOCK_REALTIME, &ts); |
1867 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2005 | return EV_TS_GET (ts); |
1868 | } |
2006 | } |
1869 | #endif |
2007 | #endif |
1870 | |
2008 | |
|
|
2009 | { |
1871 | struct timeval tv; |
2010 | struct timeval tv; |
1872 | gettimeofday (&tv, 0); |
2011 | gettimeofday (&tv, 0); |
1873 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2012 | return EV_TV_GET (tv); |
|
|
2013 | } |
1874 | } |
2014 | } |
1875 | #endif |
2015 | #endif |
1876 | |
2016 | |
1877 | inline_size ev_tstamp |
2017 | inline_size ev_tstamp |
1878 | get_clock (void) |
2018 | get_clock (void) |
1879 | { |
2019 | { |
1880 | #if EV_USE_MONOTONIC |
2020 | #if EV_USE_MONOTONIC |
1881 | if (expect_true (have_monotonic)) |
2021 | if (ecb_expect_true (have_monotonic)) |
1882 | { |
2022 | { |
1883 | struct timespec ts; |
2023 | struct timespec ts; |
1884 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2024 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1885 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2025 | return EV_TS_GET (ts); |
1886 | } |
2026 | } |
1887 | #endif |
2027 | #endif |
1888 | |
2028 | |
1889 | return ev_time (); |
2029 | return ev_time (); |
1890 | } |
2030 | } |
1891 | |
2031 | |
1892 | #if EV_MULTIPLICITY |
2032 | #if EV_MULTIPLICITY |
1893 | ev_tstamp |
2033 | ev_tstamp |
1894 | ev_now (EV_P) EV_THROW |
2034 | ev_now (EV_P) EV_NOEXCEPT |
1895 | { |
2035 | { |
1896 | return ev_rt_now; |
2036 | return ev_rt_now; |
1897 | } |
2037 | } |
1898 | #endif |
2038 | #endif |
1899 | |
2039 | |
1900 | void |
2040 | void |
1901 | ev_sleep (ev_tstamp delay) EV_THROW |
2041 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1902 | { |
2042 | { |
1903 | if (delay > 0.) |
2043 | if (delay > EV_TS_CONST (0.)) |
1904 | { |
2044 | { |
1905 | #if EV_USE_NANOSLEEP |
2045 | #if EV_USE_NANOSLEEP |
1906 | struct timespec ts; |
2046 | struct timespec ts; |
1907 | |
2047 | |
1908 | EV_TS_SET (ts, delay); |
2048 | EV_TS_SET (ts, delay); |
1909 | nanosleep (&ts, 0); |
2049 | nanosleep (&ts, 0); |
1910 | #elif defined _WIN32 |
2050 | #elif defined _WIN32 |
|
|
2051 | /* maybe this should round up, as ms is very low resolution */ |
|
|
2052 | /* compared to select (µs) or nanosleep (ns) */ |
1911 | Sleep ((unsigned long)(delay * 1e3)); |
2053 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
1912 | #else |
2054 | #else |
1913 | struct timeval tv; |
2055 | struct timeval tv; |
1914 | |
2056 | |
1915 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2057 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1916 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2058 | /* something not guaranteed by newer posix versions, but guaranteed */ |
… | |
… | |
1946 | } |
2088 | } |
1947 | |
2089 | |
1948 | return ncur; |
2090 | return ncur; |
1949 | } |
2091 | } |
1950 | |
2092 | |
1951 | noinline ecb_cold |
2093 | ecb_noinline ecb_cold |
1952 | static void * |
2094 | static void * |
1953 | array_realloc (int elem, void *base, int *cur, int cnt) |
2095 | array_realloc (int elem, void *base, int *cur, int cnt) |
1954 | { |
2096 | { |
1955 | *cur = array_nextsize (elem, *cur, cnt); |
2097 | *cur = array_nextsize (elem, *cur, cnt); |
1956 | return ev_realloc (base, elem * *cur); |
2098 | return ev_realloc (base, elem * *cur); |
1957 | } |
2099 | } |
1958 | |
2100 | |
|
|
2101 | #define array_needsize_noinit(base,offset,count) |
|
|
2102 | |
1959 | #define array_init_zero(base,count) \ |
2103 | #define array_needsize_zerofill(base,offset,count) \ |
1960 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2104 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1961 | |
2105 | |
1962 | #define array_needsize(type,base,cur,cnt,init) \ |
2106 | #define array_needsize(type,base,cur,cnt,init) \ |
1963 | if (expect_false ((cnt) > (cur))) \ |
2107 | if (ecb_expect_false ((cnt) > (cur))) \ |
1964 | { \ |
2108 | { \ |
1965 | ecb_unused int ocur_ = (cur); \ |
2109 | ecb_unused int ocur_ = (cur); \ |
1966 | (base) = (type *)array_realloc \ |
2110 | (base) = (type *)array_realloc \ |
1967 | (sizeof (type), (base), &(cur), (cnt)); \ |
2111 | (sizeof (type), (base), &(cur), (cnt)); \ |
1968 | init ((base) + (ocur_), (cur) - ocur_); \ |
2112 | init ((base), ocur_, ((cur) - ocur_)); \ |
1969 | } |
2113 | } |
1970 | |
2114 | |
1971 | #if 0 |
2115 | #if 0 |
1972 | #define array_slim(type,stem) \ |
2116 | #define array_slim(type,stem) \ |
1973 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2117 | 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 |
2126 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1983 | |
2127 | |
1984 | /*****************************************************************************/ |
2128 | /*****************************************************************************/ |
1985 | |
2129 | |
1986 | /* dummy callback for pending events */ |
2130 | /* dummy callback for pending events */ |
1987 | noinline |
2131 | ecb_noinline |
1988 | static void |
2132 | static void |
1989 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2133 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1990 | { |
2134 | { |
1991 | } |
2135 | } |
1992 | |
2136 | |
1993 | noinline |
2137 | ecb_noinline |
1994 | void |
2138 | void |
1995 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2139 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1996 | { |
2140 | { |
1997 | W w_ = (W)w; |
2141 | W w_ = (W)w; |
1998 | int pri = ABSPRI (w_); |
2142 | int pri = ABSPRI (w_); |
1999 | |
2143 | |
2000 | if (expect_false (w_->pending)) |
2144 | if (ecb_expect_false (w_->pending)) |
2001 | pendings [pri][w_->pending - 1].events |= revents; |
2145 | pendings [pri][w_->pending - 1].events |= revents; |
2002 | else |
2146 | else |
2003 | { |
2147 | { |
2004 | w_->pending = ++pendingcnt [pri]; |
2148 | w_->pending = ++pendingcnt [pri]; |
2005 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2149 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2006 | pendings [pri][w_->pending - 1].w = w_; |
2150 | pendings [pri][w_->pending - 1].w = w_; |
2007 | pendings [pri][w_->pending - 1].events = revents; |
2151 | pendings [pri][w_->pending - 1].events = revents; |
2008 | } |
2152 | } |
2009 | |
2153 | |
2010 | pendingpri = NUMPRI - 1; |
2154 | pendingpri = NUMPRI - 1; |
2011 | } |
2155 | } |
2012 | |
2156 | |
2013 | inline_speed void |
2157 | inline_speed void |
2014 | feed_reverse (EV_P_ W w) |
2158 | feed_reverse (EV_P_ W w) |
2015 | { |
2159 | { |
2016 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2160 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
2017 | rfeeds [rfeedcnt++] = w; |
2161 | rfeeds [rfeedcnt++] = w; |
2018 | } |
2162 | } |
2019 | |
2163 | |
2020 | inline_size void |
2164 | inline_size void |
2021 | feed_reverse_done (EV_P_ int revents) |
2165 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
2056 | inline_speed void |
2200 | inline_speed void |
2057 | fd_event (EV_P_ int fd, int revents) |
2201 | fd_event (EV_P_ int fd, int revents) |
2058 | { |
2202 | { |
2059 | ANFD *anfd = anfds + fd; |
2203 | ANFD *anfd = anfds + fd; |
2060 | |
2204 | |
2061 | if (expect_true (!anfd->reify)) |
2205 | if (ecb_expect_true (!anfd->reify)) |
2062 | fd_event_nocheck (EV_A_ fd, revents); |
2206 | fd_event_nocheck (EV_A_ fd, revents); |
2063 | } |
2207 | } |
2064 | |
2208 | |
2065 | void |
2209 | void |
2066 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2210 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
2067 | { |
2211 | { |
2068 | if (fd >= 0 && fd < anfdmax) |
2212 | if (fd >= 0 && fd < anfdmax) |
2069 | fd_event_nocheck (EV_A_ fd, revents); |
2213 | fd_event_nocheck (EV_A_ fd, revents); |
2070 | } |
2214 | } |
2071 | |
2215 | |
… | |
… | |
2108 | ev_io *w; |
2252 | ev_io *w; |
2109 | |
2253 | |
2110 | unsigned char o_events = anfd->events; |
2254 | unsigned char o_events = anfd->events; |
2111 | unsigned char o_reify = anfd->reify; |
2255 | unsigned char o_reify = anfd->reify; |
2112 | |
2256 | |
2113 | anfd->reify = 0; |
2257 | anfd->reify = 0; |
2114 | |
2258 | |
2115 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2259 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2116 | { |
2260 | { |
2117 | anfd->events = 0; |
2261 | anfd->events = 0; |
2118 | |
2262 | |
2119 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2263 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2120 | anfd->events |= (unsigned char)w->events; |
2264 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2136 | fd_change (EV_P_ int fd, int flags) |
2280 | fd_change (EV_P_ int fd, int flags) |
2137 | { |
2281 | { |
2138 | unsigned char reify = anfds [fd].reify; |
2282 | unsigned char reify = anfds [fd].reify; |
2139 | anfds [fd].reify |= flags; |
2283 | anfds [fd].reify |= flags; |
2140 | |
2284 | |
2141 | if (expect_true (!reify)) |
2285 | if (ecb_expect_true (!reify)) |
2142 | { |
2286 | { |
2143 | ++fdchangecnt; |
2287 | ++fdchangecnt; |
2144 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2288 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2145 | fdchanges [fdchangecnt - 1] = fd; |
2289 | fdchanges [fdchangecnt - 1] = fd; |
2146 | } |
2290 | } |
2147 | } |
2291 | } |
2148 | |
2292 | |
2149 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2293 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
… | |
… | |
2169 | return fcntl (fd, F_GETFD) != -1; |
2313 | return fcntl (fd, F_GETFD) != -1; |
2170 | #endif |
2314 | #endif |
2171 | } |
2315 | } |
2172 | |
2316 | |
2173 | /* called on EBADF to verify fds */ |
2317 | /* called on EBADF to verify fds */ |
2174 | noinline ecb_cold |
2318 | ecb_noinline ecb_cold |
2175 | static void |
2319 | static void |
2176 | fd_ebadf (EV_P) |
2320 | fd_ebadf (EV_P) |
2177 | { |
2321 | { |
2178 | int fd; |
2322 | int fd; |
2179 | |
2323 | |
… | |
… | |
2182 | if (!fd_valid (fd) && errno == EBADF) |
2326 | if (!fd_valid (fd) && errno == EBADF) |
2183 | fd_kill (EV_A_ fd); |
2327 | fd_kill (EV_A_ fd); |
2184 | } |
2328 | } |
2185 | |
2329 | |
2186 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2330 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2187 | noinline ecb_cold |
2331 | ecb_noinline ecb_cold |
2188 | static void |
2332 | static void |
2189 | fd_enomem (EV_P) |
2333 | fd_enomem (EV_P) |
2190 | { |
2334 | { |
2191 | int fd; |
2335 | int fd; |
2192 | |
2336 | |
… | |
… | |
2197 | break; |
2341 | break; |
2198 | } |
2342 | } |
2199 | } |
2343 | } |
2200 | |
2344 | |
2201 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2345 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2202 | noinline |
2346 | ecb_noinline |
2203 | static void |
2347 | static void |
2204 | fd_rearm_all (EV_P) |
2348 | fd_rearm_all (EV_P) |
2205 | { |
2349 | { |
2206 | int fd; |
2350 | int fd; |
2207 | |
2351 | |
… | |
… | |
2261 | ev_tstamp minat; |
2405 | ev_tstamp minat; |
2262 | ANHE *minpos; |
2406 | ANHE *minpos; |
2263 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2407 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2264 | |
2408 | |
2265 | /* find minimum child */ |
2409 | /* find minimum child */ |
2266 | if (expect_true (pos + DHEAP - 1 < E)) |
2410 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2267 | { |
2411 | { |
2268 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2412 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2269 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2413 | if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2270 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2414 | if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2271 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2415 | if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2272 | } |
2416 | } |
2273 | else if (pos < E) |
2417 | else if (pos < E) |
2274 | { |
2418 | { |
2275 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2419 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2276 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2420 | if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2277 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2421 | if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2278 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2422 | if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2279 | } |
2423 | } |
2280 | else |
2424 | else |
2281 | break; |
2425 | break; |
2282 | |
2426 | |
2283 | if (ANHE_at (he) <= minat) |
2427 | if (ANHE_at (he) <= minat) |
… | |
… | |
2291 | |
2435 | |
2292 | heap [k] = he; |
2436 | heap [k] = he; |
2293 | ev_active (ANHE_w (he)) = k; |
2437 | ev_active (ANHE_w (he)) = k; |
2294 | } |
2438 | } |
2295 | |
2439 | |
2296 | #else /* 4HEAP */ |
2440 | #else /* not 4HEAP */ |
2297 | |
2441 | |
2298 | #define HEAP0 1 |
2442 | #define HEAP0 1 |
2299 | #define HPARENT(k) ((k) >> 1) |
2443 | #define HPARENT(k) ((k) >> 1) |
2300 | #define UPHEAP_DONE(p,k) (!(p)) |
2444 | #define UPHEAP_DONE(p,k) (!(p)) |
2301 | |
2445 | |
… | |
… | |
2389 | |
2533 | |
2390 | /*****************************************************************************/ |
2534 | /*****************************************************************************/ |
2391 | |
2535 | |
2392 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2536 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2393 | |
2537 | |
2394 | noinline ecb_cold |
2538 | ecb_noinline ecb_cold |
2395 | static void |
2539 | static void |
2396 | evpipe_init (EV_P) |
2540 | evpipe_init (EV_P) |
2397 | { |
2541 | { |
2398 | if (!ev_is_active (&pipe_w)) |
2542 | if (!ev_is_active (&pipe_w)) |
2399 | { |
2543 | { |
… | |
… | |
2440 | inline_speed void |
2584 | inline_speed void |
2441 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2585 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2442 | { |
2586 | { |
2443 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2587 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2444 | |
2588 | |
2445 | if (expect_true (*flag)) |
2589 | if (ecb_expect_true (*flag)) |
2446 | return; |
2590 | return; |
2447 | |
2591 | |
2448 | *flag = 1; |
2592 | *flag = 1; |
2449 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2593 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2450 | |
2594 | |
… | |
… | |
2471 | #endif |
2615 | #endif |
2472 | { |
2616 | { |
2473 | #ifdef _WIN32 |
2617 | #ifdef _WIN32 |
2474 | WSABUF buf; |
2618 | WSABUF buf; |
2475 | DWORD sent; |
2619 | DWORD sent; |
2476 | buf.buf = &buf; |
2620 | buf.buf = (char *)&buf; |
2477 | buf.len = 1; |
2621 | buf.len = 1; |
2478 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2622 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2479 | #else |
2623 | #else |
2480 | write (evpipe [1], &(evpipe [1]), 1); |
2624 | write (evpipe [1], &(evpipe [1]), 1); |
2481 | #endif |
2625 | #endif |
… | |
… | |
2527 | sig_pending = 0; |
2671 | sig_pending = 0; |
2528 | |
2672 | |
2529 | ECB_MEMORY_FENCE; |
2673 | ECB_MEMORY_FENCE; |
2530 | |
2674 | |
2531 | for (i = EV_NSIG - 1; i--; ) |
2675 | for (i = EV_NSIG - 1; i--; ) |
2532 | if (expect_false (signals [i].pending)) |
2676 | if (ecb_expect_false (signals [i].pending)) |
2533 | ev_feed_signal_event (EV_A_ i + 1); |
2677 | ev_feed_signal_event (EV_A_ i + 1); |
2534 | } |
2678 | } |
2535 | #endif |
2679 | #endif |
2536 | |
2680 | |
2537 | #if EV_ASYNC_ENABLE |
2681 | #if EV_ASYNC_ENABLE |
… | |
… | |
2553 | } |
2697 | } |
2554 | |
2698 | |
2555 | /*****************************************************************************/ |
2699 | /*****************************************************************************/ |
2556 | |
2700 | |
2557 | void |
2701 | void |
2558 | ev_feed_signal (int signum) EV_THROW |
2702 | ev_feed_signal (int signum) EV_NOEXCEPT |
2559 | { |
2703 | { |
2560 | #if EV_MULTIPLICITY |
2704 | #if EV_MULTIPLICITY |
2561 | EV_P; |
2705 | EV_P; |
2562 | ECB_MEMORY_FENCE_ACQUIRE; |
2706 | ECB_MEMORY_FENCE_ACQUIRE; |
2563 | EV_A = signals [signum - 1].loop; |
2707 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2578 | #endif |
2722 | #endif |
2579 | |
2723 | |
2580 | ev_feed_signal (signum); |
2724 | ev_feed_signal (signum); |
2581 | } |
2725 | } |
2582 | |
2726 | |
2583 | noinline |
2727 | ecb_noinline |
2584 | void |
2728 | void |
2585 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2729 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2586 | { |
2730 | { |
2587 | WL w; |
2731 | WL w; |
2588 | |
2732 | |
2589 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2733 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2590 | return; |
2734 | return; |
2591 | |
2735 | |
2592 | --signum; |
2736 | --signum; |
2593 | |
2737 | |
2594 | #if EV_MULTIPLICITY |
2738 | #if EV_MULTIPLICITY |
2595 | /* it is permissible to try to feed a signal to the wrong loop */ |
2739 | /* 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 */ |
2740 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2597 | |
2741 | |
2598 | if (expect_false (signals [signum].loop != EV_A)) |
2742 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2599 | return; |
2743 | return; |
2600 | #endif |
2744 | #endif |
2601 | |
2745 | |
2602 | signals [signum].pending = 0; |
2746 | signals [signum].pending = 0; |
2603 | ECB_MEMORY_FENCE_RELEASE; |
2747 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2699 | # include "ev_kqueue.c" |
2843 | # include "ev_kqueue.c" |
2700 | #endif |
2844 | #endif |
2701 | #if EV_USE_EPOLL |
2845 | #if EV_USE_EPOLL |
2702 | # include "ev_epoll.c" |
2846 | # include "ev_epoll.c" |
2703 | #endif |
2847 | #endif |
|
|
2848 | #if EV_USE_LINUXAIO |
|
|
2849 | # include "ev_linuxaio.c" |
|
|
2850 | #endif |
|
|
2851 | #if EV_USE_IOURING |
|
|
2852 | # include "ev_iouring.c" |
|
|
2853 | #endif |
2704 | #if EV_USE_POLL |
2854 | #if EV_USE_POLL |
2705 | # include "ev_poll.c" |
2855 | # include "ev_poll.c" |
2706 | #endif |
2856 | #endif |
2707 | #if EV_USE_SELECT |
2857 | #if EV_USE_SELECT |
2708 | # include "ev_select.c" |
2858 | # include "ev_select.c" |
2709 | #endif |
2859 | #endif |
2710 | |
2860 | |
2711 | ecb_cold int |
2861 | ecb_cold int |
2712 | ev_version_major (void) EV_THROW |
2862 | ev_version_major (void) EV_NOEXCEPT |
2713 | { |
2863 | { |
2714 | return EV_VERSION_MAJOR; |
2864 | return EV_VERSION_MAJOR; |
2715 | } |
2865 | } |
2716 | |
2866 | |
2717 | ecb_cold int |
2867 | ecb_cold int |
2718 | ev_version_minor (void) EV_THROW |
2868 | ev_version_minor (void) EV_NOEXCEPT |
2719 | { |
2869 | { |
2720 | return EV_VERSION_MINOR; |
2870 | return EV_VERSION_MINOR; |
2721 | } |
2871 | } |
2722 | |
2872 | |
2723 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2873 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
2732 | #endif |
2882 | #endif |
2733 | } |
2883 | } |
2734 | |
2884 | |
2735 | ecb_cold |
2885 | ecb_cold |
2736 | unsigned int |
2886 | unsigned int |
2737 | ev_supported_backends (void) EV_THROW |
2887 | ev_supported_backends (void) EV_NOEXCEPT |
2738 | { |
2888 | { |
2739 | unsigned int flags = 0; |
2889 | unsigned int flags = 0; |
2740 | |
2890 | |
2741 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2891 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2742 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2892 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2743 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2893 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2894 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
|
|
2895 | if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING; |
2744 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2896 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2745 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2897 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2746 | |
2898 | |
2747 | return flags; |
2899 | return flags; |
2748 | } |
2900 | } |
2749 | |
2901 | |
2750 | ecb_cold |
2902 | ecb_cold |
2751 | unsigned int |
2903 | unsigned int |
2752 | ev_recommended_backends (void) EV_THROW |
2904 | ev_recommended_backends (void) EV_NOEXCEPT |
2753 | { |
2905 | { |
2754 | unsigned int flags = ev_supported_backends (); |
2906 | unsigned int flags = ev_supported_backends (); |
2755 | |
2907 | |
2756 | #ifndef __NetBSD__ |
2908 | #ifndef __NetBSD__ |
2757 | /* kqueue is borked on everything but netbsd apparently */ |
2909 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2765 | #endif |
2917 | #endif |
2766 | #ifdef __FreeBSD__ |
2918 | #ifdef __FreeBSD__ |
2767 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2919 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2768 | #endif |
2920 | #endif |
2769 | |
2921 | |
|
|
2922 | /* TODO: linuxaio is very experimental */ |
|
|
2923 | #if !EV_RECOMMEND_LINUXAIO |
|
|
2924 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
2925 | #endif |
|
|
2926 | /* TODO: linuxaio is super experimental */ |
|
|
2927 | #if !EV_RECOMMEND_IOURING |
|
|
2928 | flags &= ~EVBACKEND_IOURING; |
|
|
2929 | #endif |
|
|
2930 | |
2770 | return flags; |
2931 | return flags; |
2771 | } |
2932 | } |
2772 | |
2933 | |
2773 | ecb_cold |
2934 | ecb_cold |
2774 | unsigned int |
2935 | unsigned int |
2775 | ev_embeddable_backends (void) EV_THROW |
2936 | ev_embeddable_backends (void) EV_NOEXCEPT |
2776 | { |
2937 | { |
2777 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2938 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2778 | |
2939 | |
2779 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2940 | /* 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 */ |
2941 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2781 | flags &= ~EVBACKEND_EPOLL; |
2942 | flags &= ~EVBACKEND_EPOLL; |
2782 | |
2943 | |
|
|
2944 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
2945 | |
|
|
2946 | /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not |
|
|
2947 | * because our backend_fd is the epoll fd we need as fallback. |
|
|
2948 | * if the kernel ever is fixed, this might change... |
|
|
2949 | */ |
|
|
2950 | |
2783 | return flags; |
2951 | return flags; |
2784 | } |
2952 | } |
2785 | |
2953 | |
2786 | unsigned int |
2954 | unsigned int |
2787 | ev_backend (EV_P) EV_THROW |
2955 | ev_backend (EV_P) EV_NOEXCEPT |
2788 | { |
2956 | { |
2789 | return backend; |
2957 | return backend; |
2790 | } |
2958 | } |
2791 | |
2959 | |
2792 | #if EV_FEATURE_API |
2960 | #if EV_FEATURE_API |
2793 | unsigned int |
2961 | unsigned int |
2794 | ev_iteration (EV_P) EV_THROW |
2962 | ev_iteration (EV_P) EV_NOEXCEPT |
2795 | { |
2963 | { |
2796 | return loop_count; |
2964 | return loop_count; |
2797 | } |
2965 | } |
2798 | |
2966 | |
2799 | unsigned int |
2967 | unsigned int |
2800 | ev_depth (EV_P) EV_THROW |
2968 | ev_depth (EV_P) EV_NOEXCEPT |
2801 | { |
2969 | { |
2802 | return loop_depth; |
2970 | return loop_depth; |
2803 | } |
2971 | } |
2804 | |
2972 | |
2805 | void |
2973 | void |
2806 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2974 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2807 | { |
2975 | { |
2808 | io_blocktime = interval; |
2976 | io_blocktime = interval; |
2809 | } |
2977 | } |
2810 | |
2978 | |
2811 | void |
2979 | void |
2812 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2980 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2813 | { |
2981 | { |
2814 | timeout_blocktime = interval; |
2982 | timeout_blocktime = interval; |
2815 | } |
2983 | } |
2816 | |
2984 | |
2817 | void |
2985 | void |
2818 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2986 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2819 | { |
2987 | { |
2820 | userdata = data; |
2988 | userdata = data; |
2821 | } |
2989 | } |
2822 | |
2990 | |
2823 | void * |
2991 | void * |
2824 | ev_userdata (EV_P) EV_THROW |
2992 | ev_userdata (EV_P) EV_NOEXCEPT |
2825 | { |
2993 | { |
2826 | return userdata; |
2994 | return userdata; |
2827 | } |
2995 | } |
2828 | |
2996 | |
2829 | void |
2997 | void |
2830 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW |
2998 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2831 | { |
2999 | { |
2832 | invoke_cb = invoke_pending_cb; |
3000 | invoke_cb = invoke_pending_cb; |
2833 | } |
3001 | } |
2834 | |
3002 | |
2835 | void |
3003 | void |
2836 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
3004 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2837 | { |
3005 | { |
2838 | release_cb = release; |
3006 | release_cb = release; |
2839 | acquire_cb = acquire; |
3007 | acquire_cb = acquire; |
2840 | } |
3008 | } |
2841 | #endif |
3009 | #endif |
2842 | |
3010 | |
2843 | /* initialise a loop structure, must be zero-initialised */ |
3011 | /* initialise a loop structure, must be zero-initialised */ |
2844 | noinline ecb_cold |
3012 | ecb_noinline ecb_cold |
2845 | static void |
3013 | static void |
2846 | loop_init (EV_P_ unsigned int flags) EV_THROW |
3014 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2847 | { |
3015 | { |
2848 | if (!backend) |
3016 | if (!backend) |
2849 | { |
3017 | { |
2850 | origflags = flags; |
3018 | origflags = flags; |
2851 | |
3019 | |
… | |
… | |
2909 | |
3077 | |
2910 | if (!(flags & EVBACKEND_MASK)) |
3078 | if (!(flags & EVBACKEND_MASK)) |
2911 | flags |= ev_recommended_backends (); |
3079 | flags |= ev_recommended_backends (); |
2912 | |
3080 | |
2913 | #if EV_USE_IOCP |
3081 | #if EV_USE_IOCP |
2914 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
3082 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2915 | #endif |
3083 | #endif |
2916 | #if EV_USE_PORT |
3084 | #if EV_USE_PORT |
2917 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3085 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2918 | #endif |
3086 | #endif |
2919 | #if EV_USE_KQUEUE |
3087 | #if EV_USE_KQUEUE |
2920 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
3088 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3089 | #endif |
|
|
3090 | #if EV_USE_IOURING |
|
|
3091 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
|
|
3092 | #endif |
|
|
3093 | #if EV_USE_LINUXAIO |
|
|
3094 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2921 | #endif |
3095 | #endif |
2922 | #if EV_USE_EPOLL |
3096 | #if EV_USE_EPOLL |
2923 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
3097 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2924 | #endif |
3098 | #endif |
2925 | #if EV_USE_POLL |
3099 | #if EV_USE_POLL |
2926 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
3100 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2927 | #endif |
3101 | #endif |
2928 | #if EV_USE_SELECT |
3102 | #if EV_USE_SELECT |
2929 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
3103 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2930 | #endif |
3104 | #endif |
2931 | |
3105 | |
2932 | ev_prepare_init (&pending_w, pendingcb); |
3106 | ev_prepare_init (&pending_w, pendingcb); |
2933 | |
3107 | |
2934 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3108 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2951 | return; |
3125 | return; |
2952 | #endif |
3126 | #endif |
2953 | |
3127 | |
2954 | #if EV_CLEANUP_ENABLE |
3128 | #if EV_CLEANUP_ENABLE |
2955 | /* queue cleanup watchers (and execute them) */ |
3129 | /* queue cleanup watchers (and execute them) */ |
2956 | if (expect_false (cleanupcnt)) |
3130 | if (ecb_expect_false (cleanupcnt)) |
2957 | { |
3131 | { |
2958 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3132 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
2959 | EV_INVOKE_PENDING; |
3133 | EV_INVOKE_PENDING; |
2960 | } |
3134 | } |
2961 | #endif |
3135 | #endif |
… | |
… | |
2989 | |
3163 | |
2990 | if (backend_fd >= 0) |
3164 | if (backend_fd >= 0) |
2991 | close (backend_fd); |
3165 | close (backend_fd); |
2992 | |
3166 | |
2993 | #if EV_USE_IOCP |
3167 | #if EV_USE_IOCP |
2994 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3168 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2995 | #endif |
3169 | #endif |
2996 | #if EV_USE_PORT |
3170 | #if EV_USE_PORT |
2997 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3171 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2998 | #endif |
3172 | #endif |
2999 | #if EV_USE_KQUEUE |
3173 | #if EV_USE_KQUEUE |
3000 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3174 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3175 | #endif |
|
|
3176 | #if EV_USE_IOURING |
|
|
3177 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
|
|
3178 | #endif |
|
|
3179 | #if EV_USE_LINUXAIO |
|
|
3180 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3001 | #endif |
3181 | #endif |
3002 | #if EV_USE_EPOLL |
3182 | #if EV_USE_EPOLL |
3003 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3183 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3004 | #endif |
3184 | #endif |
3005 | #if EV_USE_POLL |
3185 | #if EV_USE_POLL |
3006 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3186 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3007 | #endif |
3187 | #endif |
3008 | #if EV_USE_SELECT |
3188 | #if EV_USE_SELECT |
3009 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3189 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
3010 | #endif |
3190 | #endif |
3011 | |
3191 | |
3012 | for (i = NUMPRI; i--; ) |
3192 | for (i = NUMPRI; i--; ) |
3013 | { |
3193 | { |
3014 | array_free (pending, [i]); |
3194 | array_free (pending, [i]); |
… | |
… | |
3056 | |
3236 | |
3057 | inline_size void |
3237 | inline_size void |
3058 | loop_fork (EV_P) |
3238 | loop_fork (EV_P) |
3059 | { |
3239 | { |
3060 | #if EV_USE_PORT |
3240 | #if EV_USE_PORT |
3061 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3241 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3062 | #endif |
3242 | #endif |
3063 | #if EV_USE_KQUEUE |
3243 | #if EV_USE_KQUEUE |
3064 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3244 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3245 | #endif |
|
|
3246 | #if EV_USE_IOURING |
|
|
3247 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3248 | #endif |
|
|
3249 | #if EV_USE_LINUXAIO |
|
|
3250 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3065 | #endif |
3251 | #endif |
3066 | #if EV_USE_EPOLL |
3252 | #if EV_USE_EPOLL |
3067 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3253 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3068 | #endif |
3254 | #endif |
3069 | #if EV_USE_INOTIFY |
3255 | #if EV_USE_INOTIFY |
3070 | infy_fork (EV_A); |
3256 | infy_fork (EV_A); |
3071 | #endif |
3257 | #endif |
3072 | |
3258 | |
… | |
… | |
3092 | |
3278 | |
3093 | #if EV_MULTIPLICITY |
3279 | #if EV_MULTIPLICITY |
3094 | |
3280 | |
3095 | ecb_cold |
3281 | ecb_cold |
3096 | struct ev_loop * |
3282 | struct ev_loop * |
3097 | ev_loop_new (unsigned int flags) EV_THROW |
3283 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
3098 | { |
3284 | { |
3099 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3285 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3100 | |
3286 | |
3101 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3287 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3102 | loop_init (EV_A_ flags); |
3288 | loop_init (EV_A_ flags); |
… | |
… | |
3109 | } |
3295 | } |
3110 | |
3296 | |
3111 | #endif /* multiplicity */ |
3297 | #endif /* multiplicity */ |
3112 | |
3298 | |
3113 | #if EV_VERIFY |
3299 | #if EV_VERIFY |
3114 | noinline ecb_cold |
3300 | ecb_noinline ecb_cold |
3115 | static void |
3301 | static void |
3116 | verify_watcher (EV_P_ W w) |
3302 | verify_watcher (EV_P_ W w) |
3117 | { |
3303 | { |
3118 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3304 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3119 | |
3305 | |
3120 | if (w->pending) |
3306 | if (w->pending) |
3121 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3307 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3122 | } |
3308 | } |
3123 | |
3309 | |
3124 | noinline ecb_cold |
3310 | ecb_noinline ecb_cold |
3125 | static void |
3311 | static void |
3126 | verify_heap (EV_P_ ANHE *heap, int N) |
3312 | verify_heap (EV_P_ ANHE *heap, int N) |
3127 | { |
3313 | { |
3128 | int i; |
3314 | int i; |
3129 | |
3315 | |
… | |
… | |
3135 | |
3321 | |
3136 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3322 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3137 | } |
3323 | } |
3138 | } |
3324 | } |
3139 | |
3325 | |
3140 | noinline ecb_cold |
3326 | ecb_noinline ecb_cold |
3141 | static void |
3327 | static void |
3142 | array_verify (EV_P_ W *ws, int cnt) |
3328 | array_verify (EV_P_ W *ws, int cnt) |
3143 | { |
3329 | { |
3144 | while (cnt--) |
3330 | while (cnt--) |
3145 | { |
3331 | { |
… | |
… | |
3149 | } |
3335 | } |
3150 | #endif |
3336 | #endif |
3151 | |
3337 | |
3152 | #if EV_FEATURE_API |
3338 | #if EV_FEATURE_API |
3153 | void ecb_cold |
3339 | void ecb_cold |
3154 | ev_verify (EV_P) EV_THROW |
3340 | ev_verify (EV_P) EV_NOEXCEPT |
3155 | { |
3341 | { |
3156 | #if EV_VERIFY |
3342 | #if EV_VERIFY |
3157 | int i; |
3343 | int i; |
3158 | WL w, w2; |
3344 | WL w, w2; |
3159 | |
3345 | |
… | |
… | |
3240 | ecb_cold |
3426 | ecb_cold |
3241 | struct ev_loop * |
3427 | struct ev_loop * |
3242 | #else |
3428 | #else |
3243 | int |
3429 | int |
3244 | #endif |
3430 | #endif |
3245 | ev_default_loop (unsigned int flags) EV_THROW |
3431 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
3246 | { |
3432 | { |
3247 | if (!ev_default_loop_ptr) |
3433 | if (!ev_default_loop_ptr) |
3248 | { |
3434 | { |
3249 | #if EV_MULTIPLICITY |
3435 | #if EV_MULTIPLICITY |
3250 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3436 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
3269 | |
3455 | |
3270 | return ev_default_loop_ptr; |
3456 | return ev_default_loop_ptr; |
3271 | } |
3457 | } |
3272 | |
3458 | |
3273 | void |
3459 | void |
3274 | ev_loop_fork (EV_P) EV_THROW |
3460 | ev_loop_fork (EV_P) EV_NOEXCEPT |
3275 | { |
3461 | { |
3276 | postfork = 1; |
3462 | postfork = 1; |
3277 | } |
3463 | } |
3278 | |
3464 | |
3279 | /*****************************************************************************/ |
3465 | /*****************************************************************************/ |
… | |
… | |
3283 | { |
3469 | { |
3284 | EV_CB_INVOKE ((W)w, revents); |
3470 | EV_CB_INVOKE ((W)w, revents); |
3285 | } |
3471 | } |
3286 | |
3472 | |
3287 | unsigned int |
3473 | unsigned int |
3288 | ev_pending_count (EV_P) EV_THROW |
3474 | ev_pending_count (EV_P) EV_NOEXCEPT |
3289 | { |
3475 | { |
3290 | int pri; |
3476 | int pri; |
3291 | unsigned int count = 0; |
3477 | unsigned int count = 0; |
3292 | |
3478 | |
3293 | for (pri = NUMPRI; pri--; ) |
3479 | for (pri = NUMPRI; pri--; ) |
3294 | count += pendingcnt [pri]; |
3480 | count += pendingcnt [pri]; |
3295 | |
3481 | |
3296 | return count; |
3482 | return count; |
3297 | } |
3483 | } |
3298 | |
3484 | |
3299 | noinline |
3485 | ecb_noinline |
3300 | void |
3486 | void |
3301 | ev_invoke_pending (EV_P) |
3487 | ev_invoke_pending (EV_P) |
3302 | { |
3488 | { |
3303 | pendingpri = NUMPRI; |
3489 | pendingpri = NUMPRI; |
3304 | |
3490 | |
3305 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3491 | do |
3306 | { |
3492 | { |
3307 | --pendingpri; |
3493 | --pendingpri; |
3308 | |
3494 | |
|
|
3495 | /* pendingpri possibly gets modified in the inner loop */ |
3309 | while (pendingcnt [pendingpri]) |
3496 | while (pendingcnt [pendingpri]) |
3310 | { |
3497 | { |
3311 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3498 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3312 | |
3499 | |
3313 | p->w->pending = 0; |
3500 | p->w->pending = 0; |
3314 | EV_CB_INVOKE (p->w, p->events); |
3501 | EV_CB_INVOKE (p->w, p->events); |
3315 | EV_FREQUENT_CHECK; |
3502 | EV_FREQUENT_CHECK; |
3316 | } |
3503 | } |
3317 | } |
3504 | } |
|
|
3505 | while (pendingpri); |
3318 | } |
3506 | } |
3319 | |
3507 | |
3320 | #if EV_IDLE_ENABLE |
3508 | #if EV_IDLE_ENABLE |
3321 | /* make idle watchers pending. this handles the "call-idle */ |
3509 | /* make idle watchers pending. this handles the "call-idle */ |
3322 | /* only when higher priorities are idle" logic */ |
3510 | /* only when higher priorities are idle" logic */ |
3323 | inline_size void |
3511 | inline_size void |
3324 | idle_reify (EV_P) |
3512 | idle_reify (EV_P) |
3325 | { |
3513 | { |
3326 | if (expect_false (idleall)) |
3514 | if (ecb_expect_false (idleall)) |
3327 | { |
3515 | { |
3328 | int pri; |
3516 | int pri; |
3329 | |
3517 | |
3330 | for (pri = NUMPRI; pri--; ) |
3518 | for (pri = NUMPRI; pri--; ) |
3331 | { |
3519 | { |
… | |
… | |
3361 | { |
3549 | { |
3362 | ev_at (w) += w->repeat; |
3550 | ev_at (w) += w->repeat; |
3363 | if (ev_at (w) < mn_now) |
3551 | if (ev_at (w) < mn_now) |
3364 | ev_at (w) = mn_now; |
3552 | ev_at (w) = mn_now; |
3365 | |
3553 | |
3366 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
3554 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.))); |
3367 | |
3555 | |
3368 | ANHE_at_cache (timers [HEAP0]); |
3556 | ANHE_at_cache (timers [HEAP0]); |
3369 | downheap (timers, timercnt, HEAP0); |
3557 | downheap (timers, timercnt, HEAP0); |
3370 | } |
3558 | } |
3371 | else |
3559 | else |
… | |
… | |
3380 | } |
3568 | } |
3381 | } |
3569 | } |
3382 | |
3570 | |
3383 | #if EV_PERIODIC_ENABLE |
3571 | #if EV_PERIODIC_ENABLE |
3384 | |
3572 | |
3385 | noinline |
3573 | ecb_noinline |
3386 | static void |
3574 | static void |
3387 | periodic_recalc (EV_P_ ev_periodic *w) |
3575 | periodic_recalc (EV_P_ ev_periodic *w) |
3388 | { |
3576 | { |
3389 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3577 | 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); |
3578 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3393 | while (at <= ev_rt_now) |
3581 | while (at <= ev_rt_now) |
3394 | { |
3582 | { |
3395 | ev_tstamp nat = at + w->interval; |
3583 | ev_tstamp nat = at + w->interval; |
3396 | |
3584 | |
3397 | /* when resolution fails us, we use ev_rt_now */ |
3585 | /* when resolution fails us, we use ev_rt_now */ |
3398 | if (expect_false (nat == at)) |
3586 | if (ecb_expect_false (nat == at)) |
3399 | { |
3587 | { |
3400 | at = ev_rt_now; |
3588 | at = ev_rt_now; |
3401 | break; |
3589 | break; |
3402 | } |
3590 | } |
3403 | |
3591 | |
… | |
… | |
3449 | } |
3637 | } |
3450 | } |
3638 | } |
3451 | |
3639 | |
3452 | /* simply recalculate all periodics */ |
3640 | /* simply recalculate all periodics */ |
3453 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3641 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3454 | noinline ecb_cold |
3642 | ecb_noinline ecb_cold |
3455 | static void |
3643 | static void |
3456 | periodics_reschedule (EV_P) |
3644 | periodics_reschedule (EV_P) |
3457 | { |
3645 | { |
3458 | int i; |
3646 | int i; |
3459 | |
3647 | |
… | |
… | |
3473 | reheap (periodics, periodiccnt); |
3661 | reheap (periodics, periodiccnt); |
3474 | } |
3662 | } |
3475 | #endif |
3663 | #endif |
3476 | |
3664 | |
3477 | /* adjust all timers by a given offset */ |
3665 | /* adjust all timers by a given offset */ |
3478 | noinline ecb_cold |
3666 | ecb_noinline ecb_cold |
3479 | static void |
3667 | static void |
3480 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3668 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3481 | { |
3669 | { |
3482 | int i; |
3670 | int i; |
3483 | |
3671 | |
… | |
… | |
3493 | /* also detect if there was a timejump, and act accordingly */ |
3681 | /* also detect if there was a timejump, and act accordingly */ |
3494 | inline_speed void |
3682 | inline_speed void |
3495 | time_update (EV_P_ ev_tstamp max_block) |
3683 | time_update (EV_P_ ev_tstamp max_block) |
3496 | { |
3684 | { |
3497 | #if EV_USE_MONOTONIC |
3685 | #if EV_USE_MONOTONIC |
3498 | if (expect_true (have_monotonic)) |
3686 | if (ecb_expect_true (have_monotonic)) |
3499 | { |
3687 | { |
3500 | int i; |
3688 | int i; |
3501 | ev_tstamp odiff = rtmn_diff; |
3689 | ev_tstamp odiff = rtmn_diff; |
3502 | |
3690 | |
3503 | mn_now = get_clock (); |
3691 | mn_now = get_clock (); |
3504 | |
3692 | |
3505 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3693 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3506 | /* interpolate in the meantime */ |
3694 | /* interpolate in the meantime */ |
3507 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3695 | if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5))) |
3508 | { |
3696 | { |
3509 | ev_rt_now = rtmn_diff + mn_now; |
3697 | ev_rt_now = rtmn_diff + mn_now; |
3510 | return; |
3698 | return; |
3511 | } |
3699 | } |
3512 | |
3700 | |
… | |
… | |
3526 | ev_tstamp diff; |
3714 | ev_tstamp diff; |
3527 | rtmn_diff = ev_rt_now - mn_now; |
3715 | rtmn_diff = ev_rt_now - mn_now; |
3528 | |
3716 | |
3529 | diff = odiff - rtmn_diff; |
3717 | diff = odiff - rtmn_diff; |
3530 | |
3718 | |
3531 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3719 | if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP))) |
3532 | return; /* all is well */ |
3720 | return; /* all is well */ |
3533 | |
3721 | |
3534 | ev_rt_now = ev_time (); |
3722 | ev_rt_now = ev_time (); |
3535 | mn_now = get_clock (); |
3723 | mn_now = get_clock (); |
3536 | now_floor = mn_now; |
3724 | now_floor = mn_now; |
… | |
… | |
3545 | else |
3733 | else |
3546 | #endif |
3734 | #endif |
3547 | { |
3735 | { |
3548 | ev_rt_now = ev_time (); |
3736 | ev_rt_now = ev_time (); |
3549 | |
3737 | |
3550 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3738 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP))) |
3551 | { |
3739 | { |
3552 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3740 | /* 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); |
3741 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3554 | #if EV_PERIODIC_ENABLE |
3742 | #if EV_PERIODIC_ENABLE |
3555 | periodics_reschedule (EV_A); |
3743 | periodics_reschedule (EV_A); |
… | |
… | |
3578 | #if EV_VERIFY >= 2 |
3766 | #if EV_VERIFY >= 2 |
3579 | ev_verify (EV_A); |
3767 | ev_verify (EV_A); |
3580 | #endif |
3768 | #endif |
3581 | |
3769 | |
3582 | #ifndef _WIN32 |
3770 | #ifndef _WIN32 |
3583 | if (expect_false (curpid)) /* penalise the forking check even more */ |
3771 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3584 | if (expect_false (getpid () != curpid)) |
3772 | if (ecb_expect_false (getpid () != curpid)) |
3585 | { |
3773 | { |
3586 | curpid = getpid (); |
3774 | curpid = getpid (); |
3587 | postfork = 1; |
3775 | postfork = 1; |
3588 | } |
3776 | } |
3589 | #endif |
3777 | #endif |
3590 | |
3778 | |
3591 | #if EV_FORK_ENABLE |
3779 | #if EV_FORK_ENABLE |
3592 | /* we might have forked, so queue fork handlers */ |
3780 | /* we might have forked, so queue fork handlers */ |
3593 | if (expect_false (postfork)) |
3781 | if (ecb_expect_false (postfork)) |
3594 | if (forkcnt) |
3782 | if (forkcnt) |
3595 | { |
3783 | { |
3596 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3784 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3597 | EV_INVOKE_PENDING; |
3785 | EV_INVOKE_PENDING; |
3598 | } |
3786 | } |
3599 | #endif |
3787 | #endif |
3600 | |
3788 | |
3601 | #if EV_PREPARE_ENABLE |
3789 | #if EV_PREPARE_ENABLE |
3602 | /* queue prepare watchers (and execute them) */ |
3790 | /* queue prepare watchers (and execute them) */ |
3603 | if (expect_false (preparecnt)) |
3791 | if (ecb_expect_false (preparecnt)) |
3604 | { |
3792 | { |
3605 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3793 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3606 | EV_INVOKE_PENDING; |
3794 | EV_INVOKE_PENDING; |
3607 | } |
3795 | } |
3608 | #endif |
3796 | #endif |
3609 | |
3797 | |
3610 | if (expect_false (loop_done)) |
3798 | if (ecb_expect_false (loop_done)) |
3611 | break; |
3799 | break; |
3612 | |
3800 | |
3613 | /* we might have forked, so reify kernel state if necessary */ |
3801 | /* we might have forked, so reify kernel state if necessary */ |
3614 | if (expect_false (postfork)) |
3802 | if (ecb_expect_false (postfork)) |
3615 | loop_fork (EV_A); |
3803 | loop_fork (EV_A); |
3616 | |
3804 | |
3617 | /* update fd-related kernel structures */ |
3805 | /* update fd-related kernel structures */ |
3618 | fd_reify (EV_A); |
3806 | fd_reify (EV_A); |
3619 | |
3807 | |
… | |
… | |
3624 | |
3812 | |
3625 | /* remember old timestamp for io_blocktime calculation */ |
3813 | /* remember old timestamp for io_blocktime calculation */ |
3626 | ev_tstamp prev_mn_now = mn_now; |
3814 | ev_tstamp prev_mn_now = mn_now; |
3627 | |
3815 | |
3628 | /* update time to cancel out callback processing overhead */ |
3816 | /* update time to cancel out callback processing overhead */ |
3629 | time_update (EV_A_ 1e100); |
3817 | time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE)); |
3630 | |
3818 | |
3631 | /* from now on, we want a pipe-wake-up */ |
3819 | /* from now on, we want a pipe-wake-up */ |
3632 | pipe_write_wanted = 1; |
3820 | pipe_write_wanted = 1; |
3633 | |
3821 | |
3634 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3822 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3635 | |
3823 | |
3636 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3824 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3637 | { |
3825 | { |
3638 | waittime = MAX_BLOCKTIME; |
3826 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
3639 | |
3827 | |
3640 | if (timercnt) |
3828 | if (timercnt) |
3641 | { |
3829 | { |
3642 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3830 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3643 | if (waittime > to) waittime = to; |
3831 | if (waittime > to) waittime = to; |
… | |
… | |
3650 | if (waittime > to) waittime = to; |
3838 | if (waittime > to) waittime = to; |
3651 | } |
3839 | } |
3652 | #endif |
3840 | #endif |
3653 | |
3841 | |
3654 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3842 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3655 | if (expect_false (waittime < timeout_blocktime)) |
3843 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3656 | waittime = timeout_blocktime; |
3844 | waittime = timeout_blocktime; |
3657 | |
3845 | |
3658 | /* at this point, we NEED to wait, so we have to ensure */ |
3846 | /* at this point, we NEED to wait, so we have to ensure */ |
3659 | /* to pass a minimum nonzero value to the backend */ |
3847 | /* to pass a minimum nonzero value to the backend */ |
3660 | if (expect_false (waittime < backend_mintime)) |
3848 | if (ecb_expect_false (waittime < backend_mintime)) |
3661 | waittime = backend_mintime; |
3849 | waittime = backend_mintime; |
3662 | |
3850 | |
3663 | /* extra check because io_blocktime is commonly 0 */ |
3851 | /* extra check because io_blocktime is commonly 0 */ |
3664 | if (expect_false (io_blocktime)) |
3852 | if (ecb_expect_false (io_blocktime)) |
3665 | { |
3853 | { |
3666 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3854 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3667 | |
3855 | |
3668 | if (sleeptime > waittime - backend_mintime) |
3856 | if (sleeptime > waittime - backend_mintime) |
3669 | sleeptime = waittime - backend_mintime; |
3857 | sleeptime = waittime - backend_mintime; |
3670 | |
3858 | |
3671 | if (expect_true (sleeptime > 0.)) |
3859 | if (ecb_expect_true (sleeptime > EV_TS_CONST (0.))) |
3672 | { |
3860 | { |
3673 | ev_sleep (sleeptime); |
3861 | ev_sleep (sleeptime); |
3674 | waittime -= sleeptime; |
3862 | waittime -= sleeptime; |
3675 | } |
3863 | } |
3676 | } |
3864 | } |
… | |
… | |
3690 | { |
3878 | { |
3691 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3879 | 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); |
3880 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3693 | } |
3881 | } |
3694 | |
3882 | |
3695 | |
|
|
3696 | /* update ev_rt_now, do magic */ |
3883 | /* update ev_rt_now, do magic */ |
3697 | time_update (EV_A_ waittime + sleeptime); |
3884 | time_update (EV_A_ waittime + sleeptime); |
3698 | } |
3885 | } |
3699 | |
3886 | |
3700 | /* queue pending timers and reschedule them */ |
3887 | /* queue pending timers and reschedule them */ |
… | |
… | |
3708 | idle_reify (EV_A); |
3895 | idle_reify (EV_A); |
3709 | #endif |
3896 | #endif |
3710 | |
3897 | |
3711 | #if EV_CHECK_ENABLE |
3898 | #if EV_CHECK_ENABLE |
3712 | /* queue check watchers, to be executed first */ |
3899 | /* queue check watchers, to be executed first */ |
3713 | if (expect_false (checkcnt)) |
3900 | if (ecb_expect_false (checkcnt)) |
3714 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3901 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3715 | #endif |
3902 | #endif |
3716 | |
3903 | |
3717 | EV_INVOKE_PENDING; |
3904 | EV_INVOKE_PENDING; |
3718 | } |
3905 | } |
3719 | while (expect_true ( |
3906 | while (ecb_expect_true ( |
3720 | activecnt |
3907 | activecnt |
3721 | && !loop_done |
3908 | && !loop_done |
3722 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3909 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3723 | )); |
3910 | )); |
3724 | |
3911 | |
… | |
… | |
3731 | |
3918 | |
3732 | return activecnt; |
3919 | return activecnt; |
3733 | } |
3920 | } |
3734 | |
3921 | |
3735 | void |
3922 | void |
3736 | ev_break (EV_P_ int how) EV_THROW |
3923 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3737 | { |
3924 | { |
3738 | loop_done = how; |
3925 | loop_done = how; |
3739 | } |
3926 | } |
3740 | |
3927 | |
3741 | void |
3928 | void |
3742 | ev_ref (EV_P) EV_THROW |
3929 | ev_ref (EV_P) EV_NOEXCEPT |
3743 | { |
3930 | { |
3744 | ++activecnt; |
3931 | ++activecnt; |
3745 | } |
3932 | } |
3746 | |
3933 | |
3747 | void |
3934 | void |
3748 | ev_unref (EV_P) EV_THROW |
3935 | ev_unref (EV_P) EV_NOEXCEPT |
3749 | { |
3936 | { |
3750 | --activecnt; |
3937 | --activecnt; |
3751 | } |
3938 | } |
3752 | |
3939 | |
3753 | void |
3940 | void |
3754 | ev_now_update (EV_P) EV_THROW |
3941 | ev_now_update (EV_P) EV_NOEXCEPT |
3755 | { |
3942 | { |
3756 | time_update (EV_A_ 1e100); |
3943 | time_update (EV_A_ EV_TSTAMP_HUGE); |
3757 | } |
3944 | } |
3758 | |
3945 | |
3759 | void |
3946 | void |
3760 | ev_suspend (EV_P) EV_THROW |
3947 | ev_suspend (EV_P) EV_NOEXCEPT |
3761 | { |
3948 | { |
3762 | ev_now_update (EV_A); |
3949 | ev_now_update (EV_A); |
3763 | } |
3950 | } |
3764 | |
3951 | |
3765 | void |
3952 | void |
3766 | ev_resume (EV_P) EV_THROW |
3953 | ev_resume (EV_P) EV_NOEXCEPT |
3767 | { |
3954 | { |
3768 | ev_tstamp mn_prev = mn_now; |
3955 | ev_tstamp mn_prev = mn_now; |
3769 | |
3956 | |
3770 | ev_now_update (EV_A); |
3957 | ev_now_update (EV_A); |
3771 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3958 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3788 | inline_size void |
3975 | inline_size void |
3789 | wlist_del (WL *head, WL elem) |
3976 | wlist_del (WL *head, WL elem) |
3790 | { |
3977 | { |
3791 | while (*head) |
3978 | while (*head) |
3792 | { |
3979 | { |
3793 | if (expect_true (*head == elem)) |
3980 | if (ecb_expect_true (*head == elem)) |
3794 | { |
3981 | { |
3795 | *head = elem->next; |
3982 | *head = elem->next; |
3796 | break; |
3983 | break; |
3797 | } |
3984 | } |
3798 | |
3985 | |
… | |
… | |
3810 | w->pending = 0; |
3997 | w->pending = 0; |
3811 | } |
3998 | } |
3812 | } |
3999 | } |
3813 | |
4000 | |
3814 | int |
4001 | int |
3815 | ev_clear_pending (EV_P_ void *w) EV_THROW |
4002 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3816 | { |
4003 | { |
3817 | W w_ = (W)w; |
4004 | W w_ = (W)w; |
3818 | int pending = w_->pending; |
4005 | int pending = w_->pending; |
3819 | |
4006 | |
3820 | if (expect_true (pending)) |
4007 | if (ecb_expect_true (pending)) |
3821 | { |
4008 | { |
3822 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4009 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3823 | p->w = (W)&pending_w; |
4010 | p->w = (W)&pending_w; |
3824 | w_->pending = 0; |
4011 | w_->pending = 0; |
3825 | return p->events; |
4012 | return p->events; |
… | |
… | |
3852 | w->active = 0; |
4039 | w->active = 0; |
3853 | } |
4040 | } |
3854 | |
4041 | |
3855 | /*****************************************************************************/ |
4042 | /*****************************************************************************/ |
3856 | |
4043 | |
3857 | noinline |
4044 | ecb_noinline |
3858 | void |
4045 | void |
3859 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
4046 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3860 | { |
4047 | { |
3861 | int fd = w->fd; |
4048 | int fd = w->fd; |
3862 | |
4049 | |
3863 | if (expect_false (ev_is_active (w))) |
4050 | if (ecb_expect_false (ev_is_active (w))) |
3864 | return; |
4051 | return; |
3865 | |
4052 | |
3866 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4053 | 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)))); |
4054 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3868 | |
4055 | |
|
|
4056 | #if EV_VERIFY >= 2 |
|
|
4057 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4058 | #endif |
3869 | EV_FREQUENT_CHECK; |
4059 | EV_FREQUENT_CHECK; |
3870 | |
4060 | |
3871 | ev_start (EV_A_ (W)w, 1); |
4061 | ev_start (EV_A_ (W)w, 1); |
3872 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
4062 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3873 | wlist_add (&anfds[fd].head, (WL)w); |
4063 | wlist_add (&anfds[fd].head, (WL)w); |
3874 | |
4064 | |
3875 | /* common bug, apparently */ |
4065 | /* common bug, apparently */ |
3876 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
4066 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3877 | |
4067 | |
… | |
… | |
3879 | w->events &= ~EV__IOFDSET; |
4069 | w->events &= ~EV__IOFDSET; |
3880 | |
4070 | |
3881 | EV_FREQUENT_CHECK; |
4071 | EV_FREQUENT_CHECK; |
3882 | } |
4072 | } |
3883 | |
4073 | |
3884 | noinline |
4074 | ecb_noinline |
3885 | void |
4075 | void |
3886 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
4076 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3887 | { |
4077 | { |
3888 | clear_pending (EV_A_ (W)w); |
4078 | clear_pending (EV_A_ (W)w); |
3889 | if (expect_false (!ev_is_active (w))) |
4079 | if (ecb_expect_false (!ev_is_active (w))) |
3890 | return; |
4080 | return; |
3891 | |
4081 | |
3892 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4082 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3893 | |
4083 | |
|
|
4084 | #if EV_VERIFY >= 2 |
|
|
4085 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4086 | #endif |
3894 | EV_FREQUENT_CHECK; |
4087 | EV_FREQUENT_CHECK; |
3895 | |
4088 | |
3896 | wlist_del (&anfds[w->fd].head, (WL)w); |
4089 | wlist_del (&anfds[w->fd].head, (WL)w); |
3897 | ev_stop (EV_A_ (W)w); |
4090 | ev_stop (EV_A_ (W)w); |
3898 | |
4091 | |
3899 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4092 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3900 | |
4093 | |
3901 | EV_FREQUENT_CHECK; |
4094 | EV_FREQUENT_CHECK; |
3902 | } |
4095 | } |
3903 | |
4096 | |
3904 | noinline |
4097 | ecb_noinline |
3905 | void |
4098 | void |
3906 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
4099 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3907 | { |
4100 | { |
3908 | if (expect_false (ev_is_active (w))) |
4101 | if (ecb_expect_false (ev_is_active (w))) |
3909 | return; |
4102 | return; |
3910 | |
4103 | |
3911 | ev_at (w) += mn_now; |
4104 | ev_at (w) += mn_now; |
3912 | |
4105 | |
3913 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4106 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
3914 | |
4107 | |
3915 | EV_FREQUENT_CHECK; |
4108 | EV_FREQUENT_CHECK; |
3916 | |
4109 | |
3917 | ++timercnt; |
4110 | ++timercnt; |
3918 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
4111 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3919 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
4112 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3920 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
4113 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3921 | ANHE_at_cache (timers [ev_active (w)]); |
4114 | ANHE_at_cache (timers [ev_active (w)]); |
3922 | upheap (timers, ev_active (w)); |
4115 | upheap (timers, ev_active (w)); |
3923 | |
4116 | |
3924 | EV_FREQUENT_CHECK; |
4117 | EV_FREQUENT_CHECK; |
3925 | |
4118 | |
3926 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4119 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3927 | } |
4120 | } |
3928 | |
4121 | |
3929 | noinline |
4122 | ecb_noinline |
3930 | void |
4123 | void |
3931 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
4124 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3932 | { |
4125 | { |
3933 | clear_pending (EV_A_ (W)w); |
4126 | clear_pending (EV_A_ (W)w); |
3934 | if (expect_false (!ev_is_active (w))) |
4127 | if (ecb_expect_false (!ev_is_active (w))) |
3935 | return; |
4128 | return; |
3936 | |
4129 | |
3937 | EV_FREQUENT_CHECK; |
4130 | EV_FREQUENT_CHECK; |
3938 | |
4131 | |
3939 | { |
4132 | { |
… | |
… | |
3941 | |
4134 | |
3942 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4135 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3943 | |
4136 | |
3944 | --timercnt; |
4137 | --timercnt; |
3945 | |
4138 | |
3946 | if (expect_true (active < timercnt + HEAP0)) |
4139 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3947 | { |
4140 | { |
3948 | timers [active] = timers [timercnt + HEAP0]; |
4141 | timers [active] = timers [timercnt + HEAP0]; |
3949 | adjustheap (timers, timercnt, active); |
4142 | adjustheap (timers, timercnt, active); |
3950 | } |
4143 | } |
3951 | } |
4144 | } |
… | |
… | |
3955 | ev_stop (EV_A_ (W)w); |
4148 | ev_stop (EV_A_ (W)w); |
3956 | |
4149 | |
3957 | EV_FREQUENT_CHECK; |
4150 | EV_FREQUENT_CHECK; |
3958 | } |
4151 | } |
3959 | |
4152 | |
3960 | noinline |
4153 | ecb_noinline |
3961 | void |
4154 | void |
3962 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
4155 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3963 | { |
4156 | { |
3964 | EV_FREQUENT_CHECK; |
4157 | EV_FREQUENT_CHECK; |
3965 | |
4158 | |
3966 | clear_pending (EV_A_ (W)w); |
4159 | clear_pending (EV_A_ (W)w); |
3967 | |
4160 | |
… | |
… | |
3984 | |
4177 | |
3985 | EV_FREQUENT_CHECK; |
4178 | EV_FREQUENT_CHECK; |
3986 | } |
4179 | } |
3987 | |
4180 | |
3988 | ev_tstamp |
4181 | ev_tstamp |
3989 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4182 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3990 | { |
4183 | { |
3991 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4184 | return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.)); |
3992 | } |
4185 | } |
3993 | |
4186 | |
3994 | #if EV_PERIODIC_ENABLE |
4187 | #if EV_PERIODIC_ENABLE |
3995 | noinline |
4188 | ecb_noinline |
3996 | void |
4189 | void |
3997 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4190 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3998 | { |
4191 | { |
3999 | if (expect_false (ev_is_active (w))) |
4192 | if (ecb_expect_false (ev_is_active (w))) |
4000 | return; |
4193 | return; |
4001 | |
4194 | |
4002 | if (w->reschedule_cb) |
4195 | if (w->reschedule_cb) |
4003 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4196 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4004 | else if (w->interval) |
4197 | else if (w->interval) |
… | |
… | |
4011 | |
4204 | |
4012 | EV_FREQUENT_CHECK; |
4205 | EV_FREQUENT_CHECK; |
4013 | |
4206 | |
4014 | ++periodiccnt; |
4207 | ++periodiccnt; |
4015 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4208 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4016 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4209 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
4017 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4210 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4018 | ANHE_at_cache (periodics [ev_active (w)]); |
4211 | ANHE_at_cache (periodics [ev_active (w)]); |
4019 | upheap (periodics, ev_active (w)); |
4212 | upheap (periodics, ev_active (w)); |
4020 | |
4213 | |
4021 | EV_FREQUENT_CHECK; |
4214 | EV_FREQUENT_CHECK; |
4022 | |
4215 | |
4023 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4216 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4024 | } |
4217 | } |
4025 | |
4218 | |
4026 | noinline |
4219 | ecb_noinline |
4027 | void |
4220 | void |
4028 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4221 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4029 | { |
4222 | { |
4030 | clear_pending (EV_A_ (W)w); |
4223 | clear_pending (EV_A_ (W)w); |
4031 | if (expect_false (!ev_is_active (w))) |
4224 | if (ecb_expect_false (!ev_is_active (w))) |
4032 | return; |
4225 | return; |
4033 | |
4226 | |
4034 | EV_FREQUENT_CHECK; |
4227 | EV_FREQUENT_CHECK; |
4035 | |
4228 | |
4036 | { |
4229 | { |
… | |
… | |
4038 | |
4231 | |
4039 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4232 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4040 | |
4233 | |
4041 | --periodiccnt; |
4234 | --periodiccnt; |
4042 | |
4235 | |
4043 | if (expect_true (active < periodiccnt + HEAP0)) |
4236 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4044 | { |
4237 | { |
4045 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4238 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4046 | adjustheap (periodics, periodiccnt, active); |
4239 | adjustheap (periodics, periodiccnt, active); |
4047 | } |
4240 | } |
4048 | } |
4241 | } |
… | |
… | |
4050 | ev_stop (EV_A_ (W)w); |
4243 | ev_stop (EV_A_ (W)w); |
4051 | |
4244 | |
4052 | EV_FREQUENT_CHECK; |
4245 | EV_FREQUENT_CHECK; |
4053 | } |
4246 | } |
4054 | |
4247 | |
4055 | noinline |
4248 | ecb_noinline |
4056 | void |
4249 | void |
4057 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4250 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4058 | { |
4251 | { |
4059 | /* TODO: use adjustheap and recalculation */ |
4252 | /* TODO: use adjustheap and recalculation */ |
4060 | ev_periodic_stop (EV_A_ w); |
4253 | ev_periodic_stop (EV_A_ w); |
4061 | ev_periodic_start (EV_A_ w); |
4254 | ev_periodic_start (EV_A_ w); |
4062 | } |
4255 | } |
… | |
… | |
4066 | # define SA_RESTART 0 |
4259 | # define SA_RESTART 0 |
4067 | #endif |
4260 | #endif |
4068 | |
4261 | |
4069 | #if EV_SIGNAL_ENABLE |
4262 | #if EV_SIGNAL_ENABLE |
4070 | |
4263 | |
4071 | noinline |
4264 | ecb_noinline |
4072 | void |
4265 | void |
4073 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4266 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4074 | { |
4267 | { |
4075 | if (expect_false (ev_is_active (w))) |
4268 | if (ecb_expect_false (ev_is_active (w))) |
4076 | return; |
4269 | return; |
4077 | |
4270 | |
4078 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4271 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4079 | |
4272 | |
4080 | #if EV_MULTIPLICITY |
4273 | #if EV_MULTIPLICITY |
… | |
… | |
4149 | } |
4342 | } |
4150 | |
4343 | |
4151 | EV_FREQUENT_CHECK; |
4344 | EV_FREQUENT_CHECK; |
4152 | } |
4345 | } |
4153 | |
4346 | |
4154 | noinline |
4347 | ecb_noinline |
4155 | void |
4348 | void |
4156 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4349 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4157 | { |
4350 | { |
4158 | clear_pending (EV_A_ (W)w); |
4351 | clear_pending (EV_A_ (W)w); |
4159 | if (expect_false (!ev_is_active (w))) |
4352 | if (ecb_expect_false (!ev_is_active (w))) |
4160 | return; |
4353 | return; |
4161 | |
4354 | |
4162 | EV_FREQUENT_CHECK; |
4355 | EV_FREQUENT_CHECK; |
4163 | |
4356 | |
4164 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4357 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4192 | #endif |
4385 | #endif |
4193 | |
4386 | |
4194 | #if EV_CHILD_ENABLE |
4387 | #if EV_CHILD_ENABLE |
4195 | |
4388 | |
4196 | void |
4389 | void |
4197 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4390 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4198 | { |
4391 | { |
4199 | #if EV_MULTIPLICITY |
4392 | #if EV_MULTIPLICITY |
4200 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4393 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4201 | #endif |
4394 | #endif |
4202 | if (expect_false (ev_is_active (w))) |
4395 | if (ecb_expect_false (ev_is_active (w))) |
4203 | return; |
4396 | return; |
4204 | |
4397 | |
4205 | EV_FREQUENT_CHECK; |
4398 | EV_FREQUENT_CHECK; |
4206 | |
4399 | |
4207 | ev_start (EV_A_ (W)w, 1); |
4400 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4209 | |
4402 | |
4210 | EV_FREQUENT_CHECK; |
4403 | EV_FREQUENT_CHECK; |
4211 | } |
4404 | } |
4212 | |
4405 | |
4213 | void |
4406 | void |
4214 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4407 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4215 | { |
4408 | { |
4216 | clear_pending (EV_A_ (W)w); |
4409 | clear_pending (EV_A_ (W)w); |
4217 | if (expect_false (!ev_is_active (w))) |
4410 | if (ecb_expect_false (!ev_is_active (w))) |
4218 | return; |
4411 | return; |
4219 | |
4412 | |
4220 | EV_FREQUENT_CHECK; |
4413 | EV_FREQUENT_CHECK; |
4221 | |
4414 | |
4222 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4415 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4236 | |
4429 | |
4237 | #define DEF_STAT_INTERVAL 5.0074891 |
4430 | #define DEF_STAT_INTERVAL 5.0074891 |
4238 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4431 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4239 | #define MIN_STAT_INTERVAL 0.1074891 |
4432 | #define MIN_STAT_INTERVAL 0.1074891 |
4240 | |
4433 | |
4241 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4434 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4242 | |
4435 | |
4243 | #if EV_USE_INOTIFY |
4436 | #if EV_USE_INOTIFY |
4244 | |
4437 | |
4245 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4438 | /* 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) |
4439 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4247 | |
4440 | |
4248 | noinline |
4441 | ecb_noinline |
4249 | static void |
4442 | static void |
4250 | infy_add (EV_P_ ev_stat *w) |
4443 | infy_add (EV_P_ ev_stat *w) |
4251 | { |
4444 | { |
4252 | w->wd = inotify_add_watch (fs_fd, w->path, |
4445 | w->wd = inotify_add_watch (fs_fd, w->path, |
4253 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4446 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4318 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4511 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4319 | ev_timer_again (EV_A_ &w->timer); |
4512 | ev_timer_again (EV_A_ &w->timer); |
4320 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4513 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4321 | } |
4514 | } |
4322 | |
4515 | |
4323 | noinline |
4516 | ecb_noinline |
4324 | static void |
4517 | static void |
4325 | infy_del (EV_P_ ev_stat *w) |
4518 | infy_del (EV_P_ ev_stat *w) |
4326 | { |
4519 | { |
4327 | int slot; |
4520 | int slot; |
4328 | int wd = w->wd; |
4521 | int wd = w->wd; |
… | |
… | |
4336 | |
4529 | |
4337 | /* remove this watcher, if others are watching it, they will rearm */ |
4530 | /* remove this watcher, if others are watching it, they will rearm */ |
4338 | inotify_rm_watch (fs_fd, wd); |
4531 | inotify_rm_watch (fs_fd, wd); |
4339 | } |
4532 | } |
4340 | |
4533 | |
4341 | noinline |
4534 | ecb_noinline |
4342 | static void |
4535 | static void |
4343 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4536 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4344 | { |
4537 | { |
4345 | if (slot < 0) |
4538 | if (slot < 0) |
4346 | /* overflow, need to check for all hash slots */ |
4539 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4484 | #else |
4677 | #else |
4485 | # define EV_LSTAT(p,b) lstat (p, b) |
4678 | # define EV_LSTAT(p,b) lstat (p, b) |
4486 | #endif |
4679 | #endif |
4487 | |
4680 | |
4488 | void |
4681 | void |
4489 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4682 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4490 | { |
4683 | { |
4491 | if (lstat (w->path, &w->attr) < 0) |
4684 | if (lstat (w->path, &w->attr) < 0) |
4492 | w->attr.st_nlink = 0; |
4685 | w->attr.st_nlink = 0; |
4493 | else if (!w->attr.st_nlink) |
4686 | else if (!w->attr.st_nlink) |
4494 | w->attr.st_nlink = 1; |
4687 | w->attr.st_nlink = 1; |
4495 | } |
4688 | } |
4496 | |
4689 | |
4497 | noinline |
4690 | ecb_noinline |
4498 | static void |
4691 | static void |
4499 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4692 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4500 | { |
4693 | { |
4501 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4694 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4502 | |
4695 | |
… | |
… | |
4534 | ev_feed_event (EV_A_ w, EV_STAT); |
4727 | ev_feed_event (EV_A_ w, EV_STAT); |
4535 | } |
4728 | } |
4536 | } |
4729 | } |
4537 | |
4730 | |
4538 | void |
4731 | void |
4539 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4732 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4540 | { |
4733 | { |
4541 | if (expect_false (ev_is_active (w))) |
4734 | if (ecb_expect_false (ev_is_active (w))) |
4542 | return; |
4735 | return; |
4543 | |
4736 | |
4544 | ev_stat_stat (EV_A_ w); |
4737 | ev_stat_stat (EV_A_ w); |
4545 | |
4738 | |
4546 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
4739 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4565 | |
4758 | |
4566 | EV_FREQUENT_CHECK; |
4759 | EV_FREQUENT_CHECK; |
4567 | } |
4760 | } |
4568 | |
4761 | |
4569 | void |
4762 | void |
4570 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4763 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4571 | { |
4764 | { |
4572 | clear_pending (EV_A_ (W)w); |
4765 | clear_pending (EV_A_ (W)w); |
4573 | if (expect_false (!ev_is_active (w))) |
4766 | if (ecb_expect_false (!ev_is_active (w))) |
4574 | return; |
4767 | return; |
4575 | |
4768 | |
4576 | EV_FREQUENT_CHECK; |
4769 | EV_FREQUENT_CHECK; |
4577 | |
4770 | |
4578 | #if EV_USE_INOTIFY |
4771 | #if EV_USE_INOTIFY |
… | |
… | |
4591 | } |
4784 | } |
4592 | #endif |
4785 | #endif |
4593 | |
4786 | |
4594 | #if EV_IDLE_ENABLE |
4787 | #if EV_IDLE_ENABLE |
4595 | void |
4788 | void |
4596 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4789 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4597 | { |
4790 | { |
4598 | if (expect_false (ev_is_active (w))) |
4791 | if (ecb_expect_false (ev_is_active (w))) |
4599 | return; |
4792 | return; |
4600 | |
4793 | |
4601 | pri_adjust (EV_A_ (W)w); |
4794 | pri_adjust (EV_A_ (W)w); |
4602 | |
4795 | |
4603 | EV_FREQUENT_CHECK; |
4796 | EV_FREQUENT_CHECK; |
… | |
… | |
4606 | int active = ++idlecnt [ABSPRI (w)]; |
4799 | int active = ++idlecnt [ABSPRI (w)]; |
4607 | |
4800 | |
4608 | ++idleall; |
4801 | ++idleall; |
4609 | ev_start (EV_A_ (W)w, active); |
4802 | ev_start (EV_A_ (W)w, active); |
4610 | |
4803 | |
4611 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4804 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4612 | idles [ABSPRI (w)][active - 1] = w; |
4805 | idles [ABSPRI (w)][active - 1] = w; |
4613 | } |
4806 | } |
4614 | |
4807 | |
4615 | EV_FREQUENT_CHECK; |
4808 | EV_FREQUENT_CHECK; |
4616 | } |
4809 | } |
4617 | |
4810 | |
4618 | void |
4811 | void |
4619 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4812 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4620 | { |
4813 | { |
4621 | clear_pending (EV_A_ (W)w); |
4814 | clear_pending (EV_A_ (W)w); |
4622 | if (expect_false (!ev_is_active (w))) |
4815 | if (ecb_expect_false (!ev_is_active (w))) |
4623 | return; |
4816 | return; |
4624 | |
4817 | |
4625 | EV_FREQUENT_CHECK; |
4818 | EV_FREQUENT_CHECK; |
4626 | |
4819 | |
4627 | { |
4820 | { |
… | |
… | |
4638 | } |
4831 | } |
4639 | #endif |
4832 | #endif |
4640 | |
4833 | |
4641 | #if EV_PREPARE_ENABLE |
4834 | #if EV_PREPARE_ENABLE |
4642 | void |
4835 | void |
4643 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4836 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4644 | { |
4837 | { |
4645 | if (expect_false (ev_is_active (w))) |
4838 | if (ecb_expect_false (ev_is_active (w))) |
4646 | return; |
4839 | return; |
4647 | |
4840 | |
4648 | EV_FREQUENT_CHECK; |
4841 | EV_FREQUENT_CHECK; |
4649 | |
4842 | |
4650 | ev_start (EV_A_ (W)w, ++preparecnt); |
4843 | ev_start (EV_A_ (W)w, ++preparecnt); |
4651 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4844 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4652 | prepares [preparecnt - 1] = w; |
4845 | prepares [preparecnt - 1] = w; |
4653 | |
4846 | |
4654 | EV_FREQUENT_CHECK; |
4847 | EV_FREQUENT_CHECK; |
4655 | } |
4848 | } |
4656 | |
4849 | |
4657 | void |
4850 | void |
4658 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4851 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4659 | { |
4852 | { |
4660 | clear_pending (EV_A_ (W)w); |
4853 | clear_pending (EV_A_ (W)w); |
4661 | if (expect_false (!ev_is_active (w))) |
4854 | if (ecb_expect_false (!ev_is_active (w))) |
4662 | return; |
4855 | return; |
4663 | |
4856 | |
4664 | EV_FREQUENT_CHECK; |
4857 | EV_FREQUENT_CHECK; |
4665 | |
4858 | |
4666 | { |
4859 | { |
… | |
… | |
4676 | } |
4869 | } |
4677 | #endif |
4870 | #endif |
4678 | |
4871 | |
4679 | #if EV_CHECK_ENABLE |
4872 | #if EV_CHECK_ENABLE |
4680 | void |
4873 | void |
4681 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4874 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4682 | { |
4875 | { |
4683 | if (expect_false (ev_is_active (w))) |
4876 | if (ecb_expect_false (ev_is_active (w))) |
4684 | return; |
4877 | return; |
4685 | |
4878 | |
4686 | EV_FREQUENT_CHECK; |
4879 | EV_FREQUENT_CHECK; |
4687 | |
4880 | |
4688 | ev_start (EV_A_ (W)w, ++checkcnt); |
4881 | ev_start (EV_A_ (W)w, ++checkcnt); |
4689 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4882 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4690 | checks [checkcnt - 1] = w; |
4883 | checks [checkcnt - 1] = w; |
4691 | |
4884 | |
4692 | EV_FREQUENT_CHECK; |
4885 | EV_FREQUENT_CHECK; |
4693 | } |
4886 | } |
4694 | |
4887 | |
4695 | void |
4888 | void |
4696 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4889 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4697 | { |
4890 | { |
4698 | clear_pending (EV_A_ (W)w); |
4891 | clear_pending (EV_A_ (W)w); |
4699 | if (expect_false (!ev_is_active (w))) |
4892 | if (ecb_expect_false (!ev_is_active (w))) |
4700 | return; |
4893 | return; |
4701 | |
4894 | |
4702 | EV_FREQUENT_CHECK; |
4895 | EV_FREQUENT_CHECK; |
4703 | |
4896 | |
4704 | { |
4897 | { |
… | |
… | |
4713 | EV_FREQUENT_CHECK; |
4906 | EV_FREQUENT_CHECK; |
4714 | } |
4907 | } |
4715 | #endif |
4908 | #endif |
4716 | |
4909 | |
4717 | #if EV_EMBED_ENABLE |
4910 | #if EV_EMBED_ENABLE |
4718 | noinline |
4911 | ecb_noinline |
4719 | void |
4912 | void |
4720 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4913 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4721 | { |
4914 | { |
4722 | ev_run (w->other, EVRUN_NOWAIT); |
4915 | ev_run (w->other, EVRUN_NOWAIT); |
4723 | } |
4916 | } |
4724 | |
4917 | |
4725 | static void |
4918 | static void |
… | |
… | |
4773 | ev_idle_stop (EV_A_ idle); |
4966 | ev_idle_stop (EV_A_ idle); |
4774 | } |
4967 | } |
4775 | #endif |
4968 | #endif |
4776 | |
4969 | |
4777 | void |
4970 | void |
4778 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4971 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4779 | { |
4972 | { |
4780 | if (expect_false (ev_is_active (w))) |
4973 | if (ecb_expect_false (ev_is_active (w))) |
4781 | return; |
4974 | return; |
4782 | |
4975 | |
4783 | { |
4976 | { |
4784 | EV_P = w->other; |
4977 | EV_P = w->other; |
4785 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
4978 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4804 | |
4997 | |
4805 | EV_FREQUENT_CHECK; |
4998 | EV_FREQUENT_CHECK; |
4806 | } |
4999 | } |
4807 | |
5000 | |
4808 | void |
5001 | void |
4809 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
5002 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4810 | { |
5003 | { |
4811 | clear_pending (EV_A_ (W)w); |
5004 | clear_pending (EV_A_ (W)w); |
4812 | if (expect_false (!ev_is_active (w))) |
5005 | if (ecb_expect_false (!ev_is_active (w))) |
4813 | return; |
5006 | return; |
4814 | |
5007 | |
4815 | EV_FREQUENT_CHECK; |
5008 | EV_FREQUENT_CHECK; |
4816 | |
5009 | |
4817 | ev_io_stop (EV_A_ &w->io); |
5010 | ev_io_stop (EV_A_ &w->io); |
… | |
… | |
4824 | } |
5017 | } |
4825 | #endif |
5018 | #endif |
4826 | |
5019 | |
4827 | #if EV_FORK_ENABLE |
5020 | #if EV_FORK_ENABLE |
4828 | void |
5021 | void |
4829 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
5022 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4830 | { |
5023 | { |
4831 | if (expect_false (ev_is_active (w))) |
5024 | if (ecb_expect_false (ev_is_active (w))) |
4832 | return; |
5025 | return; |
4833 | |
5026 | |
4834 | EV_FREQUENT_CHECK; |
5027 | EV_FREQUENT_CHECK; |
4835 | |
5028 | |
4836 | ev_start (EV_A_ (W)w, ++forkcnt); |
5029 | ev_start (EV_A_ (W)w, ++forkcnt); |
4837 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
5030 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4838 | forks [forkcnt - 1] = w; |
5031 | forks [forkcnt - 1] = w; |
4839 | |
5032 | |
4840 | EV_FREQUENT_CHECK; |
5033 | EV_FREQUENT_CHECK; |
4841 | } |
5034 | } |
4842 | |
5035 | |
4843 | void |
5036 | void |
4844 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
5037 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4845 | { |
5038 | { |
4846 | clear_pending (EV_A_ (W)w); |
5039 | clear_pending (EV_A_ (W)w); |
4847 | if (expect_false (!ev_is_active (w))) |
5040 | if (ecb_expect_false (!ev_is_active (w))) |
4848 | return; |
5041 | return; |
4849 | |
5042 | |
4850 | EV_FREQUENT_CHECK; |
5043 | EV_FREQUENT_CHECK; |
4851 | |
5044 | |
4852 | { |
5045 | { |
… | |
… | |
4862 | } |
5055 | } |
4863 | #endif |
5056 | #endif |
4864 | |
5057 | |
4865 | #if EV_CLEANUP_ENABLE |
5058 | #if EV_CLEANUP_ENABLE |
4866 | void |
5059 | void |
4867 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
5060 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4868 | { |
5061 | { |
4869 | if (expect_false (ev_is_active (w))) |
5062 | if (ecb_expect_false (ev_is_active (w))) |
4870 | return; |
5063 | return; |
4871 | |
5064 | |
4872 | EV_FREQUENT_CHECK; |
5065 | EV_FREQUENT_CHECK; |
4873 | |
5066 | |
4874 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5067 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4875 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
5068 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4876 | cleanups [cleanupcnt - 1] = w; |
5069 | cleanups [cleanupcnt - 1] = w; |
4877 | |
5070 | |
4878 | /* cleanup watchers should never keep a refcount on the loop */ |
5071 | /* cleanup watchers should never keep a refcount on the loop */ |
4879 | ev_unref (EV_A); |
5072 | ev_unref (EV_A); |
4880 | EV_FREQUENT_CHECK; |
5073 | EV_FREQUENT_CHECK; |
4881 | } |
5074 | } |
4882 | |
5075 | |
4883 | void |
5076 | void |
4884 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
5077 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4885 | { |
5078 | { |
4886 | clear_pending (EV_A_ (W)w); |
5079 | clear_pending (EV_A_ (W)w); |
4887 | if (expect_false (!ev_is_active (w))) |
5080 | if (ecb_expect_false (!ev_is_active (w))) |
4888 | return; |
5081 | return; |
4889 | |
5082 | |
4890 | EV_FREQUENT_CHECK; |
5083 | EV_FREQUENT_CHECK; |
4891 | ev_ref (EV_A); |
5084 | ev_ref (EV_A); |
4892 | |
5085 | |
… | |
… | |
4903 | } |
5096 | } |
4904 | #endif |
5097 | #endif |
4905 | |
5098 | |
4906 | #if EV_ASYNC_ENABLE |
5099 | #if EV_ASYNC_ENABLE |
4907 | void |
5100 | void |
4908 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
5101 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4909 | { |
5102 | { |
4910 | if (expect_false (ev_is_active (w))) |
5103 | if (ecb_expect_false (ev_is_active (w))) |
4911 | return; |
5104 | return; |
4912 | |
5105 | |
4913 | w->sent = 0; |
5106 | w->sent = 0; |
4914 | |
5107 | |
4915 | evpipe_init (EV_A); |
5108 | evpipe_init (EV_A); |
4916 | |
5109 | |
4917 | EV_FREQUENT_CHECK; |
5110 | EV_FREQUENT_CHECK; |
4918 | |
5111 | |
4919 | ev_start (EV_A_ (W)w, ++asynccnt); |
5112 | ev_start (EV_A_ (W)w, ++asynccnt); |
4920 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
5113 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4921 | asyncs [asynccnt - 1] = w; |
5114 | asyncs [asynccnt - 1] = w; |
4922 | |
5115 | |
4923 | EV_FREQUENT_CHECK; |
5116 | EV_FREQUENT_CHECK; |
4924 | } |
5117 | } |
4925 | |
5118 | |
4926 | void |
5119 | void |
4927 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
5120 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4928 | { |
5121 | { |
4929 | clear_pending (EV_A_ (W)w); |
5122 | clear_pending (EV_A_ (W)w); |
4930 | if (expect_false (!ev_is_active (w))) |
5123 | if (ecb_expect_false (!ev_is_active (w))) |
4931 | return; |
5124 | return; |
4932 | |
5125 | |
4933 | EV_FREQUENT_CHECK; |
5126 | EV_FREQUENT_CHECK; |
4934 | |
5127 | |
4935 | { |
5128 | { |
… | |
… | |
4943 | |
5136 | |
4944 | EV_FREQUENT_CHECK; |
5137 | EV_FREQUENT_CHECK; |
4945 | } |
5138 | } |
4946 | |
5139 | |
4947 | void |
5140 | void |
4948 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
5141 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4949 | { |
5142 | { |
4950 | w->sent = 1; |
5143 | w->sent = 1; |
4951 | evpipe_write (EV_A_ &async_pending); |
5144 | evpipe_write (EV_A_ &async_pending); |
4952 | } |
5145 | } |
4953 | #endif |
5146 | #endif |
… | |
… | |
4990 | |
5183 | |
4991 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5184 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4992 | } |
5185 | } |
4993 | |
5186 | |
4994 | void |
5187 | void |
4995 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5188 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4996 | { |
5189 | { |
4997 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5190 | 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 | |
5191 | |
5005 | once->cb = cb; |
5192 | once->cb = cb; |
5006 | once->arg = arg; |
5193 | once->arg = arg; |
5007 | |
5194 | |
5008 | ev_init (&once->io, once_cb_io); |
5195 | ev_init (&once->io, once_cb_io); |
… | |
… | |
5023 | /*****************************************************************************/ |
5210 | /*****************************************************************************/ |
5024 | |
5211 | |
5025 | #if EV_WALK_ENABLE |
5212 | #if EV_WALK_ENABLE |
5026 | ecb_cold |
5213 | ecb_cold |
5027 | void |
5214 | void |
5028 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5215 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
5029 | { |
5216 | { |
5030 | int i, j; |
5217 | int i, j; |
5031 | ev_watcher_list *wl, *wn; |
5218 | ev_watcher_list *wl, *wn; |
5032 | |
5219 | |
5033 | if (types & (EV_IO | EV_EMBED)) |
5220 | if (types & (EV_IO | EV_EMBED)) |