1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007-2018 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 |
… | |
… | |
315 | |
324 | |
316 | #ifndef EV_USE_PORT |
325 | #ifndef EV_USE_PORT |
317 | # define EV_USE_PORT 0 |
326 | # define EV_USE_PORT 0 |
318 | #endif |
327 | #endif |
319 | |
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 | |
320 | #ifndef EV_USE_INOTIFY |
345 | #ifndef EV_USE_INOTIFY |
321 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
346 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
322 | # define EV_USE_INOTIFY EV_FEATURE_OS |
347 | # define EV_USE_INOTIFY EV_FEATURE_OS |
323 | # else |
348 | # else |
324 | # define EV_USE_INOTIFY 0 |
349 | # define EV_USE_INOTIFY 0 |
… | |
… | |
389 | # include <sys/syscall.h> |
414 | # include <sys/syscall.h> |
390 | # ifdef SYS_clock_gettime |
415 | # ifdef SYS_clock_gettime |
391 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
416 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
392 | # undef EV_USE_MONOTONIC |
417 | # undef EV_USE_MONOTONIC |
393 | # define EV_USE_MONOTONIC 1 |
418 | # define EV_USE_MONOTONIC 1 |
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|
419 | # define EV_NEED_SYSCALL 1 |
394 | # else |
420 | # else |
395 | # undef EV_USE_CLOCK_SYSCALL |
421 | # undef EV_USE_CLOCK_SYSCALL |
396 | # define EV_USE_CLOCK_SYSCALL 0 |
422 | # define EV_USE_CLOCK_SYSCALL 0 |
397 | # endif |
423 | # endif |
398 | #endif |
424 | #endif |
… | |
… | |
416 | |
442 | |
417 | #if !EV_USE_NANOSLEEP |
443 | #if !EV_USE_NANOSLEEP |
418 | /* 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 */ |
419 | # if !defined _WIN32 && !defined __hpux |
445 | # if !defined _WIN32 && !defined __hpux |
420 | # 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 |
421 | # endif |
472 | # endif |
422 | #endif |
473 | #endif |
423 | |
474 | |
424 | #if EV_USE_INOTIFY |
475 | #if EV_USE_INOTIFY |
425 | # include <sys/statfs.h> |
476 | # include <sys/statfs.h> |
… | |
… | |
467 | uint32_t ssi_signo; |
518 | uint32_t ssi_signo; |
468 | char pad[128 - sizeof (uint32_t)]; |
519 | char pad[128 - sizeof (uint32_t)]; |
469 | }; |
520 | }; |
470 | #endif |
521 | #endif |
471 | |
522 | |
472 | /**/ |
523 | /*****************************************************************************/ |
473 | |
524 | |
474 | #if EV_VERIFY >= 3 |
525 | #if EV_VERIFY >= 3 |
475 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
526 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
476 | #else |
527 | #else |
477 | # define EV_FREQUENT_CHECK do { } while (0) |
528 | # define EV_FREQUENT_CHECK do { } while (0) |
… | |
… | |
482 | * This value is good at least till the year 4000. |
533 | * This value is good at least till the year 4000. |
483 | */ |
534 | */ |
484 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
535 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
485 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
536 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
486 | |
537 | |
487 | #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) */ |
488 | #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) */ |
489 | |
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 |
490 | #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) |
491 | #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 |
492 | |
558 | |
493 | /* 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 */ |
494 | /* ECB.H BEGIN */ |
560 | /* ECB.H BEGIN */ |
495 | /* |
561 | /* |
496 | * libecb - http://software.schmorp.de/pkg/libecb |
562 | * libecb - http://software.schmorp.de/pkg/libecb |
… | |
… | |
534 | |
600 | |
535 | #ifndef ECB_H |
601 | #ifndef ECB_H |
536 | #define ECB_H |
602 | #define ECB_H |
537 | |
603 | |
538 | /* 16 bits major, 16 bits minor */ |
604 | /* 16 bits major, 16 bits minor */ |
539 | #define ECB_VERSION 0x00010005 |
605 | #define ECB_VERSION 0x00010006 |
540 | |
606 | |
541 | #ifdef _WIN32 |
607 | #ifdef _WIN32 |
542 | typedef signed char int8_t; |
608 | typedef signed char int8_t; |
543 | typedef unsigned char uint8_t; |
609 | typedef unsigned char uint8_t; |
544 | typedef signed short int16_t; |
610 | typedef signed short int16_t; |
… | |
… | |
609 | #define ECB_CLANG_EXTENSION(x) 0 |
675 | #define ECB_CLANG_EXTENSION(x) 0 |
610 | #endif |
676 | #endif |
611 | |
677 | |
612 | #define ECB_CPP (__cplusplus+0) |
678 | #define ECB_CPP (__cplusplus+0) |
613 | #define ECB_CPP11 (__cplusplus >= 201103L) |
679 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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|
680 | #define ECB_CPP14 (__cplusplus >= 201402L) |
|
|
681 | #define ECB_CPP17 (__cplusplus >= 201703L) |
614 | |
682 | |
615 | #if ECB_CPP |
683 | #if ECB_CPP |
616 | #define ECB_C 0 |
684 | #define ECB_C 0 |
617 | #define ECB_STDC_VERSION 0 |
685 | #define ECB_STDC_VERSION 0 |
618 | #else |
686 | #else |
… | |
… | |
620 | #define ECB_STDC_VERSION __STDC_VERSION__ |
688 | #define ECB_STDC_VERSION __STDC_VERSION__ |
621 | #endif |
689 | #endif |
622 | |
690 | |
623 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
691 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
624 | #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) |
625 | |
694 | |
626 | #if ECB_CPP |
695 | #if ECB_CPP |
627 | #define ECB_EXTERN_C extern "C" |
696 | #define ECB_EXTERN_C extern "C" |
628 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
697 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
629 | #define ECB_EXTERN_C_END } |
698 | #define ECB_EXTERN_C_END } |
… | |
… | |
655 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
724 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
656 | #endif |
725 | #endif |
657 | |
726 | |
658 | #ifndef ECB_MEMORY_FENCE |
727 | #ifndef ECB_MEMORY_FENCE |
659 | #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") |
660 | #if __i386 || __i386__ |
730 | #if __i386 || __i386__ |
661 | #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") |
662 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
732 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
663 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
733 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
664 | #elif ECB_GCC_AMD64 |
734 | #elif ECB_GCC_AMD64 |
665 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
735 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
666 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
736 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
667 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
737 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
668 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
738 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
669 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
739 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
670 | #elif defined __ARM_ARCH_2__ \ |
740 | #elif defined __ARM_ARCH_2__ \ |
671 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
741 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
672 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
742 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
… | |
… | |
714 | #if ECB_GCC_VERSION(4,7) |
784 | #if ECB_GCC_VERSION(4,7) |
715 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
785 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
716 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
786 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
717 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
787 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
718 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
788 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
789 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
719 | |
790 | |
720 | #elif ECB_CLANG_EXTENSION(c_atomic) |
791 | #elif ECB_CLANG_EXTENSION(c_atomic) |
721 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
792 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
722 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
793 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
723 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
794 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
724 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
795 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
796 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
725 | |
797 | |
726 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
798 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
727 | #define ECB_MEMORY_FENCE __sync_synchronize () |
799 | #define ECB_MEMORY_FENCE __sync_synchronize () |
728 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
800 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
729 | /* 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... */ |
… | |
… | |
739 | #elif defined _WIN32 |
811 | #elif defined _WIN32 |
740 | #include <WinNT.h> |
812 | #include <WinNT.h> |
741 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
813 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
742 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
814 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
743 | #include <mbarrier.h> |
815 | #include <mbarrier.h> |
744 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
816 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
745 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
817 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
746 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
818 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
|
|
819 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
747 | #elif __xlC__ |
820 | #elif __xlC__ |
748 | #define ECB_MEMORY_FENCE __sync () |
821 | #define ECB_MEMORY_FENCE __sync () |
749 | #endif |
822 | #endif |
750 | #endif |
823 | #endif |
751 | |
824 | |
752 | #ifndef ECB_MEMORY_FENCE |
825 | #ifndef ECB_MEMORY_FENCE |
753 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
826 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
754 | /* 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, */ |
755 | /* not just C11 atomics and atomic accesses */ |
828 | /* not just C11 atomics and atomic accesses */ |
756 | #include <stdatomic.h> |
829 | #include <stdatomic.h> |
757 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
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|
758 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
759 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
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|
760 | /* for most usages, or gcc and clang have a bug */ |
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|
761 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
762 | /* all three of ecb's fences as a seq_cst fence */ |
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|
763 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
764 | /* for all __atomic_thread_fence's except seq_cst */ |
|
|
765 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
830 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
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|
831 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
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|
832 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
766 | #endif |
833 | #endif |
767 | #endif |
834 | #endif |
768 | |
835 | |
769 | #ifndef ECB_MEMORY_FENCE |
836 | #ifndef ECB_MEMORY_FENCE |
770 | #if !ECB_AVOID_PTHREADS |
837 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
788 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
855 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
789 | #endif |
856 | #endif |
790 | |
857 | |
791 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
858 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
792 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
859 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
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|
860 | #endif |
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|
861 | |
|
|
862 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
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|
863 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
793 | #endif |
864 | #endif |
794 | |
865 | |
795 | /*****************************************************************************/ |
866 | /*****************************************************************************/ |
796 | |
867 | |
797 | #if ECB_CPP |
868 | #if ECB_CPP |
… | |
… | |
1506 | /* ECB.H END */ |
1577 | /* ECB.H END */ |
1507 | |
1578 | |
1508 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1579 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1509 | /* 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 |
1510 | * 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 |
1511 | * 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 |
1512 | * libev, in which cases the memory fences become nops. |
1583 | * libev, in which cases the memory fences become nops. |
1513 | * alternatively, you can remove this #error and link against libpthread, |
1584 | * alternatively, you can remove this #error and link against libpthread, |
1514 | * which will then provide the memory fences. |
1585 | * which will then provide the memory fences. |
1515 | */ |
1586 | */ |
1516 | # error "memory fences not defined for your architecture, please report" |
1587 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1520 | # define ECB_MEMORY_FENCE do { } while (0) |
1591 | # define ECB_MEMORY_FENCE do { } while (0) |
1521 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1592 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1522 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1593 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1523 | #endif |
1594 | #endif |
1524 | |
1595 | |
1525 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1526 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1527 | #define noinline ecb_noinline |
|
|
1528 | |
|
|
1529 | #define inline_size ecb_inline |
1596 | #define inline_size ecb_inline |
1530 | |
1597 | |
1531 | #if EV_FEATURE_CODE |
1598 | #if EV_FEATURE_CODE |
1532 | # define inline_speed ecb_inline |
1599 | # define inline_speed ecb_inline |
1533 | #else |
1600 | #else |
1534 | # define inline_speed noinline static |
1601 | # define inline_speed ecb_noinline static |
1535 | #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 | /*****************************************************************************/ |
1536 | |
1669 | |
1537 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1670 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1538 | |
1671 | |
1539 | #if EV_MINPRI == EV_MAXPRI |
1672 | #if EV_MINPRI == EV_MAXPRI |
1540 | # define ABSPRI(w) (((W)w), 0) |
1673 | # define ABSPRI(w) (((W)w), 0) |
1541 | #else |
1674 | #else |
1542 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1675 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1543 | #endif |
1676 | #endif |
1544 | |
1677 | |
1545 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1678 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1546 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1547 | |
1679 | |
1548 | typedef ev_watcher *W; |
1680 | typedef ev_watcher *W; |
1549 | typedef ev_watcher_list *WL; |
1681 | typedef ev_watcher_list *WL; |
1550 | typedef ev_watcher_time *WT; |
1682 | typedef ev_watcher_time *WT; |
1551 | |
1683 | |
… | |
… | |
1576 | # include "ev_win32.c" |
1708 | # include "ev_win32.c" |
1577 | #endif |
1709 | #endif |
1578 | |
1710 | |
1579 | /*****************************************************************************/ |
1711 | /*****************************************************************************/ |
1580 | |
1712 | |
|
|
1713 | #if EV_USE_LINUXAIO |
|
|
1714 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1715 | #endif |
|
|
1716 | |
1581 | /* define a suitable floor function (only used by periodics atm) */ |
1717 | /* define a suitable floor function (only used by periodics atm) */ |
1582 | |
1718 | |
1583 | #if EV_USE_FLOOR |
1719 | #if EV_USE_FLOOR |
1584 | # include <math.h> |
1720 | # include <math.h> |
1585 | # define ev_floor(v) floor (v) |
1721 | # define ev_floor(v) floor (v) |
1586 | #else |
1722 | #else |
1587 | |
1723 | |
1588 | #include <float.h> |
1724 | #include <float.h> |
1589 | |
1725 | |
1590 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1726 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1591 | noinline |
1727 | ecb_noinline |
1592 | static ev_tstamp |
1728 | static ev_tstamp |
1593 | ev_floor (ev_tstamp v) |
1729 | ev_floor (ev_tstamp v) |
1594 | { |
1730 | { |
1595 | /* the choice of shift factor is not terribly important */ |
1731 | /* the choice of shift factor is not terribly important */ |
1596 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1732 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1597 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1733 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1598 | #else |
1734 | #else |
1599 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1735 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1600 | #endif |
1736 | #endif |
1601 | |
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 | |
1602 | /* argument too large for an unsigned long? */ |
1746 | /* argument too large for an unsigned long? then reduce it */ |
1603 | if (expect_false (v >= shift)) |
1747 | if (ecb_expect_false (v >= shift)) |
1604 | { |
1748 | { |
1605 | ev_tstamp f; |
1749 | ev_tstamp f; |
1606 | |
1750 | |
1607 | if (v == v - 1.) |
1751 | if (v == v - 1.) |
1608 | return v; /* very large number */ |
1752 | return v; /* very large numbers are assumed to be integer */ |
1609 | |
1753 | |
1610 | f = shift * ev_floor (v * (1. / shift)); |
1754 | f = shift * ev_floor (v * (1. / shift)); |
1611 | return f + ev_floor (v - f); |
1755 | return f + ev_floor (v - f); |
1612 | } |
1756 | } |
1613 | |
1757 | |
1614 | /* special treatment for negative args? */ |
|
|
1615 | if (expect_false (v < 0.)) |
|
|
1616 | { |
|
|
1617 | ev_tstamp f = -ev_floor (-v); |
|
|
1618 | |
|
|
1619 | return f - (f == v ? 0 : 1); |
|
|
1620 | } |
|
|
1621 | |
|
|
1622 | /* fits into an unsigned long */ |
1758 | /* fits into an unsigned long */ |
1623 | return (unsigned long)v; |
1759 | return (unsigned long)v; |
1624 | } |
1760 | } |
1625 | |
1761 | |
1626 | #endif |
1762 | #endif |
… | |
… | |
1629 | |
1765 | |
1630 | #ifdef __linux |
1766 | #ifdef __linux |
1631 | # include <sys/utsname.h> |
1767 | # include <sys/utsname.h> |
1632 | #endif |
1768 | #endif |
1633 | |
1769 | |
1634 | noinline ecb_cold |
1770 | ecb_noinline ecb_cold |
1635 | static unsigned int |
1771 | static unsigned int |
1636 | ev_linux_version (void) |
1772 | ev_linux_version (void) |
1637 | { |
1773 | { |
1638 | #ifdef __linux |
1774 | #ifdef __linux |
1639 | unsigned int v = 0; |
1775 | unsigned int v = 0; |
… | |
… | |
1669 | } |
1805 | } |
1670 | |
1806 | |
1671 | /*****************************************************************************/ |
1807 | /*****************************************************************************/ |
1672 | |
1808 | |
1673 | #if EV_AVOID_STDIO |
1809 | #if EV_AVOID_STDIO |
1674 | noinline ecb_cold |
1810 | ecb_noinline ecb_cold |
1675 | static void |
1811 | static void |
1676 | ev_printerr (const char *msg) |
1812 | ev_printerr (const char *msg) |
1677 | { |
1813 | { |
1678 | write (STDERR_FILENO, msg, strlen (msg)); |
1814 | write (STDERR_FILENO, msg, strlen (msg)); |
1679 | } |
1815 | } |
… | |
… | |
1686 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1822 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1687 | { |
1823 | { |
1688 | syserr_cb = cb; |
1824 | syserr_cb = cb; |
1689 | } |
1825 | } |
1690 | |
1826 | |
1691 | noinline ecb_cold |
1827 | ecb_noinline ecb_cold |
1692 | static void |
1828 | static void |
1693 | ev_syserr (const char *msg) |
1829 | ev_syserr (const char *msg) |
1694 | { |
1830 | { |
1695 | if (!msg) |
1831 | if (!msg) |
1696 | msg = "(libev) system error"; |
1832 | msg = "(libev) system error"; |
… | |
… | |
1767 | typedef struct |
1903 | typedef struct |
1768 | { |
1904 | { |
1769 | WL head; |
1905 | WL head; |
1770 | unsigned char events; /* the events watched for */ |
1906 | unsigned char events; /* the events watched for */ |
1771 | 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) */ |
1772 | 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 */ |
1773 | unsigned char unused; |
1909 | unsigned char eflags; /* flags field for use by backends */ |
1774 | #if EV_USE_EPOLL |
1910 | #if EV_USE_EPOLL |
1775 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1911 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1776 | #endif |
1912 | #endif |
1777 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1913 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1778 | SOCKET handle; |
1914 | SOCKET handle; |
… | |
… | |
1832 | static struct ev_loop default_loop_struct; |
1968 | static struct ev_loop default_loop_struct; |
1833 | 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 */ |
1834 | |
1970 | |
1835 | #else |
1971 | #else |
1836 | |
1972 | |
1837 | 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 */ |
1838 | #define VAR(name,decl) static decl; |
1974 | #define VAR(name,decl) static decl; |
1839 | #include "ev_vars.h" |
1975 | #include "ev_vars.h" |
1840 | #undef VAR |
1976 | #undef VAR |
1841 | |
1977 | |
1842 | static int ev_default_loop_ptr; |
1978 | static int ev_default_loop_ptr; |
1843 | |
1979 | |
1844 | #endif |
1980 | #endif |
1845 | |
1981 | |
1846 | #if EV_FEATURE_API |
1982 | #if EV_FEATURE_API |
1847 | # 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) |
1848 | # 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) |
1849 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1985 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1850 | #else |
1986 | #else |
1851 | # define EV_RELEASE_CB (void)0 |
1987 | # define EV_RELEASE_CB (void)0 |
1852 | # define EV_ACQUIRE_CB (void)0 |
1988 | # define EV_ACQUIRE_CB (void)0 |
1853 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
1989 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1860 | #ifndef EV_HAVE_EV_TIME |
1996 | #ifndef EV_HAVE_EV_TIME |
1861 | ev_tstamp |
1997 | ev_tstamp |
1862 | ev_time (void) EV_NOEXCEPT |
1998 | ev_time (void) EV_NOEXCEPT |
1863 | { |
1999 | { |
1864 | #if EV_USE_REALTIME |
2000 | #if EV_USE_REALTIME |
1865 | if (expect_true (have_realtime)) |
2001 | if (ecb_expect_true (have_realtime)) |
1866 | { |
2002 | { |
1867 | struct timespec ts; |
2003 | struct timespec ts; |
1868 | clock_gettime (CLOCK_REALTIME, &ts); |
2004 | clock_gettime (CLOCK_REALTIME, &ts); |
1869 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2005 | return EV_TS_GET (ts); |
1870 | } |
2006 | } |
1871 | #endif |
2007 | #endif |
1872 | |
2008 | |
1873 | struct timeval tv; |
2009 | struct timeval tv; |
1874 | gettimeofday (&tv, 0); |
2010 | gettimeofday (&tv, 0); |
1875 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2011 | return EV_TV_GET (tv); |
1876 | } |
2012 | } |
1877 | #endif |
2013 | #endif |
1878 | |
2014 | |
1879 | inline_size ev_tstamp |
2015 | inline_size ev_tstamp |
1880 | get_clock (void) |
2016 | get_clock (void) |
1881 | { |
2017 | { |
1882 | #if EV_USE_MONOTONIC |
2018 | #if EV_USE_MONOTONIC |
1883 | if (expect_true (have_monotonic)) |
2019 | if (ecb_expect_true (have_monotonic)) |
1884 | { |
2020 | { |
1885 | struct timespec ts; |
2021 | struct timespec ts; |
1886 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2022 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1887 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2023 | return EV_TS_GET (ts); |
1888 | } |
2024 | } |
1889 | #endif |
2025 | #endif |
1890 | |
2026 | |
1891 | return ev_time (); |
2027 | return ev_time (); |
1892 | } |
2028 | } |
… | |
… | |
1900 | #endif |
2036 | #endif |
1901 | |
2037 | |
1902 | void |
2038 | void |
1903 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
2039 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1904 | { |
2040 | { |
1905 | if (delay > 0.) |
2041 | if (delay > EV_TS_CONST (0.)) |
1906 | { |
2042 | { |
1907 | #if EV_USE_NANOSLEEP |
2043 | #if EV_USE_NANOSLEEP |
1908 | struct timespec ts; |
2044 | struct timespec ts; |
1909 | |
2045 | |
1910 | EV_TS_SET (ts, delay); |
2046 | EV_TS_SET (ts, delay); |
1911 | nanosleep (&ts, 0); |
2047 | nanosleep (&ts, 0); |
1912 | #elif defined _WIN32 |
2048 | #elif defined _WIN32 |
1913 | /* maybe this should round up, as ms is very low resolution */ |
2049 | /* maybe this should round up, as ms is very low resolution */ |
1914 | /* compared to select (µs) or nanosleep (ns) */ |
2050 | /* compared to select (µs) or nanosleep (ns) */ |
1915 | Sleep ((unsigned long)(delay * 1e3)); |
2051 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
1916 | #else |
2052 | #else |
1917 | struct timeval tv; |
2053 | struct timeval tv; |
1918 | |
2054 | |
1919 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2055 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1920 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2056 | /* something not guaranteed by newer posix versions, but guaranteed */ |
… | |
… | |
1950 | } |
2086 | } |
1951 | |
2087 | |
1952 | return ncur; |
2088 | return ncur; |
1953 | } |
2089 | } |
1954 | |
2090 | |
1955 | noinline ecb_cold |
2091 | ecb_noinline ecb_cold |
1956 | static void * |
2092 | static void * |
1957 | array_realloc (int elem, void *base, int *cur, int cnt) |
2093 | array_realloc (int elem, void *base, int *cur, int cnt) |
1958 | { |
2094 | { |
1959 | *cur = array_nextsize (elem, *cur, cnt); |
2095 | *cur = array_nextsize (elem, *cur, cnt); |
1960 | return ev_realloc (base, elem * *cur); |
2096 | return ev_realloc (base, elem * *cur); |
1961 | } |
2097 | } |
1962 | |
2098 | |
|
|
2099 | #define array_needsize_noinit(base,offset,count) |
|
|
2100 | |
1963 | #define array_init_zero(base,count) \ |
2101 | #define array_needsize_zerofill(base,offset,count) \ |
1964 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2102 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1965 | |
2103 | |
1966 | #define array_needsize(type,base,cur,cnt,init) \ |
2104 | #define array_needsize(type,base,cur,cnt,init) \ |
1967 | if (expect_false ((cnt) > (cur))) \ |
2105 | if (ecb_expect_false ((cnt) > (cur))) \ |
1968 | { \ |
2106 | { \ |
1969 | ecb_unused int ocur_ = (cur); \ |
2107 | ecb_unused int ocur_ = (cur); \ |
1970 | (base) = (type *)array_realloc \ |
2108 | (base) = (type *)array_realloc \ |
1971 | (sizeof (type), (base), &(cur), (cnt)); \ |
2109 | (sizeof (type), (base), &(cur), (cnt)); \ |
1972 | init ((base) + (ocur_), (cur) - ocur_); \ |
2110 | init ((base), ocur_, ((cur) - ocur_)); \ |
1973 | } |
2111 | } |
1974 | |
2112 | |
1975 | #if 0 |
2113 | #if 0 |
1976 | #define array_slim(type,stem) \ |
2114 | #define array_slim(type,stem) \ |
1977 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2115 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
1986 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2124 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1987 | |
2125 | |
1988 | /*****************************************************************************/ |
2126 | /*****************************************************************************/ |
1989 | |
2127 | |
1990 | /* dummy callback for pending events */ |
2128 | /* dummy callback for pending events */ |
1991 | noinline |
2129 | ecb_noinline |
1992 | static void |
2130 | static void |
1993 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2131 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1994 | { |
2132 | { |
1995 | } |
2133 | } |
1996 | |
2134 | |
1997 | noinline |
2135 | ecb_noinline |
1998 | void |
2136 | void |
1999 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2137 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2000 | { |
2138 | { |
2001 | W w_ = (W)w; |
2139 | W w_ = (W)w; |
2002 | int pri = ABSPRI (w_); |
2140 | int pri = ABSPRI (w_); |
2003 | |
2141 | |
2004 | if (expect_false (w_->pending)) |
2142 | if (ecb_expect_false (w_->pending)) |
2005 | pendings [pri][w_->pending - 1].events |= revents; |
2143 | pendings [pri][w_->pending - 1].events |= revents; |
2006 | else |
2144 | else |
2007 | { |
2145 | { |
2008 | w_->pending = ++pendingcnt [pri]; |
2146 | w_->pending = ++pendingcnt [pri]; |
2009 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2147 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2010 | pendings [pri][w_->pending - 1].w = w_; |
2148 | pendings [pri][w_->pending - 1].w = w_; |
2011 | pendings [pri][w_->pending - 1].events = revents; |
2149 | pendings [pri][w_->pending - 1].events = revents; |
2012 | } |
2150 | } |
2013 | |
2151 | |
2014 | pendingpri = NUMPRI - 1; |
2152 | pendingpri = NUMPRI - 1; |
2015 | } |
2153 | } |
2016 | |
2154 | |
2017 | inline_speed void |
2155 | inline_speed void |
2018 | feed_reverse (EV_P_ W w) |
2156 | feed_reverse (EV_P_ W w) |
2019 | { |
2157 | { |
2020 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2158 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
2021 | rfeeds [rfeedcnt++] = w; |
2159 | rfeeds [rfeedcnt++] = w; |
2022 | } |
2160 | } |
2023 | |
2161 | |
2024 | inline_size void |
2162 | inline_size void |
2025 | feed_reverse_done (EV_P_ int revents) |
2163 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
2060 | inline_speed void |
2198 | inline_speed void |
2061 | fd_event (EV_P_ int fd, int revents) |
2199 | fd_event (EV_P_ int fd, int revents) |
2062 | { |
2200 | { |
2063 | ANFD *anfd = anfds + fd; |
2201 | ANFD *anfd = anfds + fd; |
2064 | |
2202 | |
2065 | if (expect_true (!anfd->reify)) |
2203 | if (ecb_expect_true (!anfd->reify)) |
2066 | fd_event_nocheck (EV_A_ fd, revents); |
2204 | fd_event_nocheck (EV_A_ fd, revents); |
2067 | } |
2205 | } |
2068 | |
2206 | |
2069 | void |
2207 | void |
2070 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
2208 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
… | |
… | |
2112 | ev_io *w; |
2250 | ev_io *w; |
2113 | |
2251 | |
2114 | unsigned char o_events = anfd->events; |
2252 | unsigned char o_events = anfd->events; |
2115 | unsigned char o_reify = anfd->reify; |
2253 | unsigned char o_reify = anfd->reify; |
2116 | |
2254 | |
2117 | anfd->reify = 0; |
2255 | anfd->reify = 0; |
2118 | |
2256 | |
2119 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2257 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2120 | { |
2258 | { |
2121 | anfd->events = 0; |
2259 | anfd->events = 0; |
2122 | |
2260 | |
2123 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2261 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2124 | anfd->events |= (unsigned char)w->events; |
2262 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2140 | fd_change (EV_P_ int fd, int flags) |
2278 | fd_change (EV_P_ int fd, int flags) |
2141 | { |
2279 | { |
2142 | unsigned char reify = anfds [fd].reify; |
2280 | unsigned char reify = anfds [fd].reify; |
2143 | anfds [fd].reify |= flags; |
2281 | anfds [fd].reify |= flags; |
2144 | |
2282 | |
2145 | if (expect_true (!reify)) |
2283 | if (ecb_expect_true (!reify)) |
2146 | { |
2284 | { |
2147 | ++fdchangecnt; |
2285 | ++fdchangecnt; |
2148 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2286 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2149 | fdchanges [fdchangecnt - 1] = fd; |
2287 | fdchanges [fdchangecnt - 1] = fd; |
2150 | } |
2288 | } |
2151 | } |
2289 | } |
2152 | |
2290 | |
2153 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2291 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
… | |
… | |
2173 | return fcntl (fd, F_GETFD) != -1; |
2311 | return fcntl (fd, F_GETFD) != -1; |
2174 | #endif |
2312 | #endif |
2175 | } |
2313 | } |
2176 | |
2314 | |
2177 | /* called on EBADF to verify fds */ |
2315 | /* called on EBADF to verify fds */ |
2178 | noinline ecb_cold |
2316 | ecb_noinline ecb_cold |
2179 | static void |
2317 | static void |
2180 | fd_ebadf (EV_P) |
2318 | fd_ebadf (EV_P) |
2181 | { |
2319 | { |
2182 | int fd; |
2320 | int fd; |
2183 | |
2321 | |
… | |
… | |
2186 | if (!fd_valid (fd) && errno == EBADF) |
2324 | if (!fd_valid (fd) && errno == EBADF) |
2187 | fd_kill (EV_A_ fd); |
2325 | fd_kill (EV_A_ fd); |
2188 | } |
2326 | } |
2189 | |
2327 | |
2190 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2328 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2191 | noinline ecb_cold |
2329 | ecb_noinline ecb_cold |
2192 | static void |
2330 | static void |
2193 | fd_enomem (EV_P) |
2331 | fd_enomem (EV_P) |
2194 | { |
2332 | { |
2195 | int fd; |
2333 | int fd; |
2196 | |
2334 | |
… | |
… | |
2201 | break; |
2339 | break; |
2202 | } |
2340 | } |
2203 | } |
2341 | } |
2204 | |
2342 | |
2205 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2343 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2206 | noinline |
2344 | ecb_noinline |
2207 | static void |
2345 | static void |
2208 | fd_rearm_all (EV_P) |
2346 | fd_rearm_all (EV_P) |
2209 | { |
2347 | { |
2210 | int fd; |
2348 | int fd; |
2211 | |
2349 | |
… | |
… | |
2265 | ev_tstamp minat; |
2403 | ev_tstamp minat; |
2266 | ANHE *minpos; |
2404 | ANHE *minpos; |
2267 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2405 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2268 | |
2406 | |
2269 | /* find minimum child */ |
2407 | /* find minimum child */ |
2270 | if (expect_true (pos + DHEAP - 1 < E)) |
2408 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2271 | { |
2409 | { |
2272 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2410 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2273 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2411 | if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2274 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2412 | if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2275 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2413 | if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2276 | } |
2414 | } |
2277 | else if (pos < E) |
2415 | else if (pos < E) |
2278 | { |
2416 | { |
2279 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2417 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2280 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2418 | if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2281 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2419 | if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2282 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2420 | if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2283 | } |
2421 | } |
2284 | else |
2422 | else |
2285 | break; |
2423 | break; |
2286 | |
2424 | |
2287 | if (ANHE_at (he) <= minat) |
2425 | if (ANHE_at (he) <= minat) |
… | |
… | |
2295 | |
2433 | |
2296 | heap [k] = he; |
2434 | heap [k] = he; |
2297 | ev_active (ANHE_w (he)) = k; |
2435 | ev_active (ANHE_w (he)) = k; |
2298 | } |
2436 | } |
2299 | |
2437 | |
2300 | #else /* 4HEAP */ |
2438 | #else /* not 4HEAP */ |
2301 | |
2439 | |
2302 | #define HEAP0 1 |
2440 | #define HEAP0 1 |
2303 | #define HPARENT(k) ((k) >> 1) |
2441 | #define HPARENT(k) ((k) >> 1) |
2304 | #define UPHEAP_DONE(p,k) (!(p)) |
2442 | #define UPHEAP_DONE(p,k) (!(p)) |
2305 | |
2443 | |
… | |
… | |
2393 | |
2531 | |
2394 | /*****************************************************************************/ |
2532 | /*****************************************************************************/ |
2395 | |
2533 | |
2396 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2534 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2397 | |
2535 | |
2398 | noinline ecb_cold |
2536 | ecb_noinline ecb_cold |
2399 | static void |
2537 | static void |
2400 | evpipe_init (EV_P) |
2538 | evpipe_init (EV_P) |
2401 | { |
2539 | { |
2402 | if (!ev_is_active (&pipe_w)) |
2540 | if (!ev_is_active (&pipe_w)) |
2403 | { |
2541 | { |
… | |
… | |
2444 | inline_speed void |
2582 | inline_speed void |
2445 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2583 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2446 | { |
2584 | { |
2447 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2585 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2448 | |
2586 | |
2449 | if (expect_true (*flag)) |
2587 | if (ecb_expect_true (*flag)) |
2450 | return; |
2588 | return; |
2451 | |
2589 | |
2452 | *flag = 1; |
2590 | *flag = 1; |
2453 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2591 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2454 | |
2592 | |
… | |
… | |
2531 | sig_pending = 0; |
2669 | sig_pending = 0; |
2532 | |
2670 | |
2533 | ECB_MEMORY_FENCE; |
2671 | ECB_MEMORY_FENCE; |
2534 | |
2672 | |
2535 | for (i = EV_NSIG - 1; i--; ) |
2673 | for (i = EV_NSIG - 1; i--; ) |
2536 | if (expect_false (signals [i].pending)) |
2674 | if (ecb_expect_false (signals [i].pending)) |
2537 | ev_feed_signal_event (EV_A_ i + 1); |
2675 | ev_feed_signal_event (EV_A_ i + 1); |
2538 | } |
2676 | } |
2539 | #endif |
2677 | #endif |
2540 | |
2678 | |
2541 | #if EV_ASYNC_ENABLE |
2679 | #if EV_ASYNC_ENABLE |
… | |
… | |
2582 | #endif |
2720 | #endif |
2583 | |
2721 | |
2584 | ev_feed_signal (signum); |
2722 | ev_feed_signal (signum); |
2585 | } |
2723 | } |
2586 | |
2724 | |
2587 | noinline |
2725 | ecb_noinline |
2588 | void |
2726 | void |
2589 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2727 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2590 | { |
2728 | { |
2591 | WL w; |
2729 | WL w; |
2592 | |
2730 | |
2593 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2731 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2594 | return; |
2732 | return; |
2595 | |
2733 | |
2596 | --signum; |
2734 | --signum; |
2597 | |
2735 | |
2598 | #if EV_MULTIPLICITY |
2736 | #if EV_MULTIPLICITY |
2599 | /* it is permissible to try to feed a signal to the wrong loop */ |
2737 | /* it is permissible to try to feed a signal to the wrong loop */ |
2600 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2738 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2601 | |
2739 | |
2602 | if (expect_false (signals [signum].loop != EV_A)) |
2740 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2603 | return; |
2741 | return; |
2604 | #endif |
2742 | #endif |
2605 | |
2743 | |
2606 | signals [signum].pending = 0; |
2744 | signals [signum].pending = 0; |
2607 | ECB_MEMORY_FENCE_RELEASE; |
2745 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2703 | # include "ev_kqueue.c" |
2841 | # include "ev_kqueue.c" |
2704 | #endif |
2842 | #endif |
2705 | #if EV_USE_EPOLL |
2843 | #if EV_USE_EPOLL |
2706 | # include "ev_epoll.c" |
2844 | # include "ev_epoll.c" |
2707 | #endif |
2845 | #endif |
|
|
2846 | #if EV_USE_LINUXAIO |
|
|
2847 | # include "ev_linuxaio.c" |
|
|
2848 | #endif |
|
|
2849 | #if EV_USE_IOURING |
|
|
2850 | # include "ev_iouring.c" |
|
|
2851 | #endif |
2708 | #if EV_USE_POLL |
2852 | #if EV_USE_POLL |
2709 | # include "ev_poll.c" |
2853 | # include "ev_poll.c" |
2710 | #endif |
2854 | #endif |
2711 | #if EV_USE_SELECT |
2855 | #if EV_USE_SELECT |
2712 | # include "ev_select.c" |
2856 | # include "ev_select.c" |
… | |
… | |
2740 | unsigned int |
2884 | unsigned int |
2741 | ev_supported_backends (void) EV_NOEXCEPT |
2885 | ev_supported_backends (void) EV_NOEXCEPT |
2742 | { |
2886 | { |
2743 | unsigned int flags = 0; |
2887 | unsigned int flags = 0; |
2744 | |
2888 | |
2745 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2889 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2746 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2890 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2747 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2891 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2892 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
|
|
2893 | if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING; |
2748 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2894 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2749 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2895 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2750 | |
2896 | |
2751 | return flags; |
2897 | return flags; |
2752 | } |
2898 | } |
2753 | |
2899 | |
2754 | ecb_cold |
2900 | ecb_cold |
… | |
… | |
2769 | #endif |
2915 | #endif |
2770 | #ifdef __FreeBSD__ |
2916 | #ifdef __FreeBSD__ |
2771 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2917 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2772 | #endif |
2918 | #endif |
2773 | |
2919 | |
|
|
2920 | /* TODO: linuxaio is very experimental */ |
|
|
2921 | #if !EV_RECOMMEND_LINUXAIO |
|
|
2922 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
2923 | #endif |
|
|
2924 | /* TODO: linuxaio is super experimental */ |
|
|
2925 | #if !EV_RECOMMEND_IOURING |
|
|
2926 | flags &= ~EVBACKEND_IOURING; |
|
|
2927 | #endif |
|
|
2928 | |
2774 | return flags; |
2929 | return flags; |
2775 | } |
2930 | } |
2776 | |
2931 | |
2777 | ecb_cold |
2932 | ecb_cold |
2778 | unsigned int |
2933 | unsigned int |
… | |
… | |
2782 | |
2937 | |
2783 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2938 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2784 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2939 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2785 | flags &= ~EVBACKEND_EPOLL; |
2940 | flags &= ~EVBACKEND_EPOLL; |
2786 | |
2941 | |
|
|
2942 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
2943 | |
|
|
2944 | /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not |
|
|
2945 | * because our backend_fd is the epoll fd we need as fallback. |
|
|
2946 | * if the kernel ever is fixed, this might change... |
|
|
2947 | */ |
|
|
2948 | |
2787 | return flags; |
2949 | return flags; |
2788 | } |
2950 | } |
2789 | |
2951 | |
2790 | unsigned int |
2952 | unsigned int |
2791 | ev_backend (EV_P) EV_NOEXCEPT |
2953 | ev_backend (EV_P) EV_NOEXCEPT |
… | |
… | |
2843 | acquire_cb = acquire; |
3005 | acquire_cb = acquire; |
2844 | } |
3006 | } |
2845 | #endif |
3007 | #endif |
2846 | |
3008 | |
2847 | /* initialise a loop structure, must be zero-initialised */ |
3009 | /* initialise a loop structure, must be zero-initialised */ |
2848 | noinline ecb_cold |
3010 | ecb_noinline ecb_cold |
2849 | static void |
3011 | static void |
2850 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
3012 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2851 | { |
3013 | { |
2852 | if (!backend) |
3014 | if (!backend) |
2853 | { |
3015 | { |
… | |
… | |
2913 | |
3075 | |
2914 | if (!(flags & EVBACKEND_MASK)) |
3076 | if (!(flags & EVBACKEND_MASK)) |
2915 | flags |= ev_recommended_backends (); |
3077 | flags |= ev_recommended_backends (); |
2916 | |
3078 | |
2917 | #if EV_USE_IOCP |
3079 | #if EV_USE_IOCP |
2918 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
3080 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2919 | #endif |
3081 | #endif |
2920 | #if EV_USE_PORT |
3082 | #if EV_USE_PORT |
2921 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3083 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2922 | #endif |
3084 | #endif |
2923 | #if EV_USE_KQUEUE |
3085 | #if EV_USE_KQUEUE |
2924 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
3086 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3087 | #endif |
|
|
3088 | #if EV_USE_IOURING |
|
|
3089 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
|
|
3090 | #endif |
|
|
3091 | #if EV_USE_LINUXAIO |
|
|
3092 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2925 | #endif |
3093 | #endif |
2926 | #if EV_USE_EPOLL |
3094 | #if EV_USE_EPOLL |
2927 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
3095 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2928 | #endif |
3096 | #endif |
2929 | #if EV_USE_POLL |
3097 | #if EV_USE_POLL |
2930 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
3098 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2931 | #endif |
3099 | #endif |
2932 | #if EV_USE_SELECT |
3100 | #if EV_USE_SELECT |
2933 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
3101 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2934 | #endif |
3102 | #endif |
2935 | |
3103 | |
2936 | ev_prepare_init (&pending_w, pendingcb); |
3104 | ev_prepare_init (&pending_w, pendingcb); |
2937 | |
3105 | |
2938 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3106 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2955 | return; |
3123 | return; |
2956 | #endif |
3124 | #endif |
2957 | |
3125 | |
2958 | #if EV_CLEANUP_ENABLE |
3126 | #if EV_CLEANUP_ENABLE |
2959 | /* queue cleanup watchers (and execute them) */ |
3127 | /* queue cleanup watchers (and execute them) */ |
2960 | if (expect_false (cleanupcnt)) |
3128 | if (ecb_expect_false (cleanupcnt)) |
2961 | { |
3129 | { |
2962 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3130 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
2963 | EV_INVOKE_PENDING; |
3131 | EV_INVOKE_PENDING; |
2964 | } |
3132 | } |
2965 | #endif |
3133 | #endif |
… | |
… | |
2993 | |
3161 | |
2994 | if (backend_fd >= 0) |
3162 | if (backend_fd >= 0) |
2995 | close (backend_fd); |
3163 | close (backend_fd); |
2996 | |
3164 | |
2997 | #if EV_USE_IOCP |
3165 | #if EV_USE_IOCP |
2998 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3166 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2999 | #endif |
3167 | #endif |
3000 | #if EV_USE_PORT |
3168 | #if EV_USE_PORT |
3001 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3169 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3002 | #endif |
3170 | #endif |
3003 | #if EV_USE_KQUEUE |
3171 | #if EV_USE_KQUEUE |
3004 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3172 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3173 | #endif |
|
|
3174 | #if EV_USE_IOURING |
|
|
3175 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
|
|
3176 | #endif |
|
|
3177 | #if EV_USE_LINUXAIO |
|
|
3178 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3005 | #endif |
3179 | #endif |
3006 | #if EV_USE_EPOLL |
3180 | #if EV_USE_EPOLL |
3007 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3181 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3008 | #endif |
3182 | #endif |
3009 | #if EV_USE_POLL |
3183 | #if EV_USE_POLL |
3010 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3184 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3011 | #endif |
3185 | #endif |
3012 | #if EV_USE_SELECT |
3186 | #if EV_USE_SELECT |
3013 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3187 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
3014 | #endif |
3188 | #endif |
3015 | |
3189 | |
3016 | for (i = NUMPRI; i--; ) |
3190 | for (i = NUMPRI; i--; ) |
3017 | { |
3191 | { |
3018 | array_free (pending, [i]); |
3192 | array_free (pending, [i]); |
… | |
… | |
3060 | |
3234 | |
3061 | inline_size void |
3235 | inline_size void |
3062 | loop_fork (EV_P) |
3236 | loop_fork (EV_P) |
3063 | { |
3237 | { |
3064 | #if EV_USE_PORT |
3238 | #if EV_USE_PORT |
3065 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3239 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3066 | #endif |
3240 | #endif |
3067 | #if EV_USE_KQUEUE |
3241 | #if EV_USE_KQUEUE |
3068 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3242 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3243 | #endif |
|
|
3244 | #if EV_USE_IOURING |
|
|
3245 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3246 | #endif |
|
|
3247 | #if EV_USE_LINUXAIO |
|
|
3248 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3069 | #endif |
3249 | #endif |
3070 | #if EV_USE_EPOLL |
3250 | #if EV_USE_EPOLL |
3071 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3251 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3072 | #endif |
3252 | #endif |
3073 | #if EV_USE_INOTIFY |
3253 | #if EV_USE_INOTIFY |
3074 | infy_fork (EV_A); |
3254 | infy_fork (EV_A); |
3075 | #endif |
3255 | #endif |
3076 | |
3256 | |
… | |
… | |
3113 | } |
3293 | } |
3114 | |
3294 | |
3115 | #endif /* multiplicity */ |
3295 | #endif /* multiplicity */ |
3116 | |
3296 | |
3117 | #if EV_VERIFY |
3297 | #if EV_VERIFY |
3118 | noinline ecb_cold |
3298 | ecb_noinline ecb_cold |
3119 | static void |
3299 | static void |
3120 | verify_watcher (EV_P_ W w) |
3300 | verify_watcher (EV_P_ W w) |
3121 | { |
3301 | { |
3122 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3302 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3123 | |
3303 | |
3124 | if (w->pending) |
3304 | if (w->pending) |
3125 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3305 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3126 | } |
3306 | } |
3127 | |
3307 | |
3128 | noinline ecb_cold |
3308 | ecb_noinline ecb_cold |
3129 | static void |
3309 | static void |
3130 | verify_heap (EV_P_ ANHE *heap, int N) |
3310 | verify_heap (EV_P_ ANHE *heap, int N) |
3131 | { |
3311 | { |
3132 | int i; |
3312 | int i; |
3133 | |
3313 | |
… | |
… | |
3139 | |
3319 | |
3140 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3320 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3141 | } |
3321 | } |
3142 | } |
3322 | } |
3143 | |
3323 | |
3144 | noinline ecb_cold |
3324 | ecb_noinline ecb_cold |
3145 | static void |
3325 | static void |
3146 | array_verify (EV_P_ W *ws, int cnt) |
3326 | array_verify (EV_P_ W *ws, int cnt) |
3147 | { |
3327 | { |
3148 | while (cnt--) |
3328 | while (cnt--) |
3149 | { |
3329 | { |
… | |
… | |
3298 | count += pendingcnt [pri]; |
3478 | count += pendingcnt [pri]; |
3299 | |
3479 | |
3300 | return count; |
3480 | return count; |
3301 | } |
3481 | } |
3302 | |
3482 | |
3303 | noinline |
3483 | ecb_noinline |
3304 | void |
3484 | void |
3305 | ev_invoke_pending (EV_P) |
3485 | ev_invoke_pending (EV_P) |
3306 | { |
3486 | { |
3307 | pendingpri = NUMPRI; |
3487 | pendingpri = NUMPRI; |
3308 | |
3488 | |
… | |
… | |
3327 | /* make idle watchers pending. this handles the "call-idle */ |
3507 | /* make idle watchers pending. this handles the "call-idle */ |
3328 | /* only when higher priorities are idle" logic */ |
3508 | /* only when higher priorities are idle" logic */ |
3329 | inline_size void |
3509 | inline_size void |
3330 | idle_reify (EV_P) |
3510 | idle_reify (EV_P) |
3331 | { |
3511 | { |
3332 | if (expect_false (idleall)) |
3512 | if (ecb_expect_false (idleall)) |
3333 | { |
3513 | { |
3334 | int pri; |
3514 | int pri; |
3335 | |
3515 | |
3336 | for (pri = NUMPRI; pri--; ) |
3516 | for (pri = NUMPRI; pri--; ) |
3337 | { |
3517 | { |
… | |
… | |
3367 | { |
3547 | { |
3368 | ev_at (w) += w->repeat; |
3548 | ev_at (w) += w->repeat; |
3369 | if (ev_at (w) < mn_now) |
3549 | if (ev_at (w) < mn_now) |
3370 | ev_at (w) = mn_now; |
3550 | ev_at (w) = mn_now; |
3371 | |
3551 | |
3372 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
3552 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.))); |
3373 | |
3553 | |
3374 | ANHE_at_cache (timers [HEAP0]); |
3554 | ANHE_at_cache (timers [HEAP0]); |
3375 | downheap (timers, timercnt, HEAP0); |
3555 | downheap (timers, timercnt, HEAP0); |
3376 | } |
3556 | } |
3377 | else |
3557 | else |
… | |
… | |
3386 | } |
3566 | } |
3387 | } |
3567 | } |
3388 | |
3568 | |
3389 | #if EV_PERIODIC_ENABLE |
3569 | #if EV_PERIODIC_ENABLE |
3390 | |
3570 | |
3391 | noinline |
3571 | ecb_noinline |
3392 | static void |
3572 | static void |
3393 | periodic_recalc (EV_P_ ev_periodic *w) |
3573 | periodic_recalc (EV_P_ ev_periodic *w) |
3394 | { |
3574 | { |
3395 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3575 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3396 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3576 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3399 | while (at <= ev_rt_now) |
3579 | while (at <= ev_rt_now) |
3400 | { |
3580 | { |
3401 | ev_tstamp nat = at + w->interval; |
3581 | ev_tstamp nat = at + w->interval; |
3402 | |
3582 | |
3403 | /* when resolution fails us, we use ev_rt_now */ |
3583 | /* when resolution fails us, we use ev_rt_now */ |
3404 | if (expect_false (nat == at)) |
3584 | if (ecb_expect_false (nat == at)) |
3405 | { |
3585 | { |
3406 | at = ev_rt_now; |
3586 | at = ev_rt_now; |
3407 | break; |
3587 | break; |
3408 | } |
3588 | } |
3409 | |
3589 | |
… | |
… | |
3455 | } |
3635 | } |
3456 | } |
3636 | } |
3457 | |
3637 | |
3458 | /* simply recalculate all periodics */ |
3638 | /* simply recalculate all periodics */ |
3459 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3639 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3460 | noinline ecb_cold |
3640 | ecb_noinline ecb_cold |
3461 | static void |
3641 | static void |
3462 | periodics_reschedule (EV_P) |
3642 | periodics_reschedule (EV_P) |
3463 | { |
3643 | { |
3464 | int i; |
3644 | int i; |
3465 | |
3645 | |
… | |
… | |
3479 | reheap (periodics, periodiccnt); |
3659 | reheap (periodics, periodiccnt); |
3480 | } |
3660 | } |
3481 | #endif |
3661 | #endif |
3482 | |
3662 | |
3483 | /* adjust all timers by a given offset */ |
3663 | /* adjust all timers by a given offset */ |
3484 | noinline ecb_cold |
3664 | ecb_noinline ecb_cold |
3485 | static void |
3665 | static void |
3486 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3666 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3487 | { |
3667 | { |
3488 | int i; |
3668 | int i; |
3489 | |
3669 | |
… | |
… | |
3499 | /* also detect if there was a timejump, and act accordingly */ |
3679 | /* also detect if there was a timejump, and act accordingly */ |
3500 | inline_speed void |
3680 | inline_speed void |
3501 | time_update (EV_P_ ev_tstamp max_block) |
3681 | time_update (EV_P_ ev_tstamp max_block) |
3502 | { |
3682 | { |
3503 | #if EV_USE_MONOTONIC |
3683 | #if EV_USE_MONOTONIC |
3504 | if (expect_true (have_monotonic)) |
3684 | if (ecb_expect_true (have_monotonic)) |
3505 | { |
3685 | { |
3506 | int i; |
3686 | int i; |
3507 | ev_tstamp odiff = rtmn_diff; |
3687 | ev_tstamp odiff = rtmn_diff; |
3508 | |
3688 | |
3509 | mn_now = get_clock (); |
3689 | mn_now = get_clock (); |
3510 | |
3690 | |
3511 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3691 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3512 | /* interpolate in the meantime */ |
3692 | /* interpolate in the meantime */ |
3513 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3693 | if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5))) |
3514 | { |
3694 | { |
3515 | ev_rt_now = rtmn_diff + mn_now; |
3695 | ev_rt_now = rtmn_diff + mn_now; |
3516 | return; |
3696 | return; |
3517 | } |
3697 | } |
3518 | |
3698 | |
… | |
… | |
3532 | ev_tstamp diff; |
3712 | ev_tstamp diff; |
3533 | rtmn_diff = ev_rt_now - mn_now; |
3713 | rtmn_diff = ev_rt_now - mn_now; |
3534 | |
3714 | |
3535 | diff = odiff - rtmn_diff; |
3715 | diff = odiff - rtmn_diff; |
3536 | |
3716 | |
3537 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3717 | if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP))) |
3538 | return; /* all is well */ |
3718 | return; /* all is well */ |
3539 | |
3719 | |
3540 | ev_rt_now = ev_time (); |
3720 | ev_rt_now = ev_time (); |
3541 | mn_now = get_clock (); |
3721 | mn_now = get_clock (); |
3542 | now_floor = mn_now; |
3722 | now_floor = mn_now; |
… | |
… | |
3551 | else |
3731 | else |
3552 | #endif |
3732 | #endif |
3553 | { |
3733 | { |
3554 | ev_rt_now = ev_time (); |
3734 | ev_rt_now = ev_time (); |
3555 | |
3735 | |
3556 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3736 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP))) |
3557 | { |
3737 | { |
3558 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3738 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3559 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3739 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3560 | #if EV_PERIODIC_ENABLE |
3740 | #if EV_PERIODIC_ENABLE |
3561 | periodics_reschedule (EV_A); |
3741 | periodics_reschedule (EV_A); |
… | |
… | |
3584 | #if EV_VERIFY >= 2 |
3764 | #if EV_VERIFY >= 2 |
3585 | ev_verify (EV_A); |
3765 | ev_verify (EV_A); |
3586 | #endif |
3766 | #endif |
3587 | |
3767 | |
3588 | #ifndef _WIN32 |
3768 | #ifndef _WIN32 |
3589 | if (expect_false (curpid)) /* penalise the forking check even more */ |
3769 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3590 | if (expect_false (getpid () != curpid)) |
3770 | if (ecb_expect_false (getpid () != curpid)) |
3591 | { |
3771 | { |
3592 | curpid = getpid (); |
3772 | curpid = getpid (); |
3593 | postfork = 1; |
3773 | postfork = 1; |
3594 | } |
3774 | } |
3595 | #endif |
3775 | #endif |
3596 | |
3776 | |
3597 | #if EV_FORK_ENABLE |
3777 | #if EV_FORK_ENABLE |
3598 | /* we might have forked, so queue fork handlers */ |
3778 | /* we might have forked, so queue fork handlers */ |
3599 | if (expect_false (postfork)) |
3779 | if (ecb_expect_false (postfork)) |
3600 | if (forkcnt) |
3780 | if (forkcnt) |
3601 | { |
3781 | { |
3602 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3782 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3603 | EV_INVOKE_PENDING; |
3783 | EV_INVOKE_PENDING; |
3604 | } |
3784 | } |
3605 | #endif |
3785 | #endif |
3606 | |
3786 | |
3607 | #if EV_PREPARE_ENABLE |
3787 | #if EV_PREPARE_ENABLE |
3608 | /* queue prepare watchers (and execute them) */ |
3788 | /* queue prepare watchers (and execute them) */ |
3609 | if (expect_false (preparecnt)) |
3789 | if (ecb_expect_false (preparecnt)) |
3610 | { |
3790 | { |
3611 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3791 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3612 | EV_INVOKE_PENDING; |
3792 | EV_INVOKE_PENDING; |
3613 | } |
3793 | } |
3614 | #endif |
3794 | #endif |
3615 | |
3795 | |
3616 | if (expect_false (loop_done)) |
3796 | if (ecb_expect_false (loop_done)) |
3617 | break; |
3797 | break; |
3618 | |
3798 | |
3619 | /* we might have forked, so reify kernel state if necessary */ |
3799 | /* we might have forked, so reify kernel state if necessary */ |
3620 | if (expect_false (postfork)) |
3800 | if (ecb_expect_false (postfork)) |
3621 | loop_fork (EV_A); |
3801 | loop_fork (EV_A); |
3622 | |
3802 | |
3623 | /* update fd-related kernel structures */ |
3803 | /* update fd-related kernel structures */ |
3624 | fd_reify (EV_A); |
3804 | fd_reify (EV_A); |
3625 | |
3805 | |
… | |
… | |
3630 | |
3810 | |
3631 | /* remember old timestamp for io_blocktime calculation */ |
3811 | /* remember old timestamp for io_blocktime calculation */ |
3632 | ev_tstamp prev_mn_now = mn_now; |
3812 | ev_tstamp prev_mn_now = mn_now; |
3633 | |
3813 | |
3634 | /* update time to cancel out callback processing overhead */ |
3814 | /* update time to cancel out callback processing overhead */ |
3635 | time_update (EV_A_ 1e100); |
3815 | time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE)); |
3636 | |
3816 | |
3637 | /* from now on, we want a pipe-wake-up */ |
3817 | /* from now on, we want a pipe-wake-up */ |
3638 | pipe_write_wanted = 1; |
3818 | pipe_write_wanted = 1; |
3639 | |
3819 | |
3640 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3820 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3641 | |
3821 | |
3642 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3822 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3643 | { |
3823 | { |
3644 | waittime = MAX_BLOCKTIME; |
3824 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
3645 | |
3825 | |
3646 | if (timercnt) |
3826 | if (timercnt) |
3647 | { |
3827 | { |
3648 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3828 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3649 | if (waittime > to) waittime = to; |
3829 | if (waittime > to) waittime = to; |
… | |
… | |
3656 | if (waittime > to) waittime = to; |
3836 | if (waittime > to) waittime = to; |
3657 | } |
3837 | } |
3658 | #endif |
3838 | #endif |
3659 | |
3839 | |
3660 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3840 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3661 | if (expect_false (waittime < timeout_blocktime)) |
3841 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3662 | waittime = timeout_blocktime; |
3842 | waittime = timeout_blocktime; |
3663 | |
3843 | |
3664 | /* at this point, we NEED to wait, so we have to ensure */ |
3844 | /* at this point, we NEED to wait, so we have to ensure */ |
3665 | /* to pass a minimum nonzero value to the backend */ |
3845 | /* to pass a minimum nonzero value to the backend */ |
3666 | if (expect_false (waittime < backend_mintime)) |
3846 | if (ecb_expect_false (waittime < backend_mintime)) |
3667 | waittime = backend_mintime; |
3847 | waittime = backend_mintime; |
3668 | |
3848 | |
3669 | /* extra check because io_blocktime is commonly 0 */ |
3849 | /* extra check because io_blocktime is commonly 0 */ |
3670 | if (expect_false (io_blocktime)) |
3850 | if (ecb_expect_false (io_blocktime)) |
3671 | { |
3851 | { |
3672 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3852 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3673 | |
3853 | |
3674 | if (sleeptime > waittime - backend_mintime) |
3854 | if (sleeptime > waittime - backend_mintime) |
3675 | sleeptime = waittime - backend_mintime; |
3855 | sleeptime = waittime - backend_mintime; |
3676 | |
3856 | |
3677 | if (expect_true (sleeptime > 0.)) |
3857 | if (ecb_expect_true (sleeptime > EV_TS_CONST (0.))) |
3678 | { |
3858 | { |
3679 | ev_sleep (sleeptime); |
3859 | ev_sleep (sleeptime); |
3680 | waittime -= sleeptime; |
3860 | waittime -= sleeptime; |
3681 | } |
3861 | } |
3682 | } |
3862 | } |
… | |
… | |
3696 | { |
3876 | { |
3697 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3877 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3698 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3878 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3699 | } |
3879 | } |
3700 | |
3880 | |
3701 | |
|
|
3702 | /* update ev_rt_now, do magic */ |
3881 | /* update ev_rt_now, do magic */ |
3703 | time_update (EV_A_ waittime + sleeptime); |
3882 | time_update (EV_A_ waittime + sleeptime); |
3704 | } |
3883 | } |
3705 | |
3884 | |
3706 | /* queue pending timers and reschedule them */ |
3885 | /* queue pending timers and reschedule them */ |
… | |
… | |
3714 | idle_reify (EV_A); |
3893 | idle_reify (EV_A); |
3715 | #endif |
3894 | #endif |
3716 | |
3895 | |
3717 | #if EV_CHECK_ENABLE |
3896 | #if EV_CHECK_ENABLE |
3718 | /* queue check watchers, to be executed first */ |
3897 | /* queue check watchers, to be executed first */ |
3719 | if (expect_false (checkcnt)) |
3898 | if (ecb_expect_false (checkcnt)) |
3720 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3899 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3721 | #endif |
3900 | #endif |
3722 | |
3901 | |
3723 | EV_INVOKE_PENDING; |
3902 | EV_INVOKE_PENDING; |
3724 | } |
3903 | } |
3725 | while (expect_true ( |
3904 | while (ecb_expect_true ( |
3726 | activecnt |
3905 | activecnt |
3727 | && !loop_done |
3906 | && !loop_done |
3728 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3907 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3729 | )); |
3908 | )); |
3730 | |
3909 | |
… | |
… | |
3757 | } |
3936 | } |
3758 | |
3937 | |
3759 | void |
3938 | void |
3760 | ev_now_update (EV_P) EV_NOEXCEPT |
3939 | ev_now_update (EV_P) EV_NOEXCEPT |
3761 | { |
3940 | { |
3762 | time_update (EV_A_ 1e100); |
3941 | time_update (EV_A_ EV_TSTAMP_HUGE); |
3763 | } |
3942 | } |
3764 | |
3943 | |
3765 | void |
3944 | void |
3766 | ev_suspend (EV_P) EV_NOEXCEPT |
3945 | ev_suspend (EV_P) EV_NOEXCEPT |
3767 | { |
3946 | { |
… | |
… | |
3794 | inline_size void |
3973 | inline_size void |
3795 | wlist_del (WL *head, WL elem) |
3974 | wlist_del (WL *head, WL elem) |
3796 | { |
3975 | { |
3797 | while (*head) |
3976 | while (*head) |
3798 | { |
3977 | { |
3799 | if (expect_true (*head == elem)) |
3978 | if (ecb_expect_true (*head == elem)) |
3800 | { |
3979 | { |
3801 | *head = elem->next; |
3980 | *head = elem->next; |
3802 | break; |
3981 | break; |
3803 | } |
3982 | } |
3804 | |
3983 | |
… | |
… | |
3821 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
4000 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3822 | { |
4001 | { |
3823 | W w_ = (W)w; |
4002 | W w_ = (W)w; |
3824 | int pending = w_->pending; |
4003 | int pending = w_->pending; |
3825 | |
4004 | |
3826 | if (expect_true (pending)) |
4005 | if (ecb_expect_true (pending)) |
3827 | { |
4006 | { |
3828 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4007 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3829 | p->w = (W)&pending_w; |
4008 | p->w = (W)&pending_w; |
3830 | w_->pending = 0; |
4009 | w_->pending = 0; |
3831 | return p->events; |
4010 | return p->events; |
… | |
… | |
3858 | w->active = 0; |
4037 | w->active = 0; |
3859 | } |
4038 | } |
3860 | |
4039 | |
3861 | /*****************************************************************************/ |
4040 | /*****************************************************************************/ |
3862 | |
4041 | |
3863 | noinline |
4042 | ecb_noinline |
3864 | void |
4043 | void |
3865 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
4044 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3866 | { |
4045 | { |
3867 | int fd = w->fd; |
4046 | int fd = w->fd; |
3868 | |
4047 | |
3869 | if (expect_false (ev_is_active (w))) |
4048 | if (ecb_expect_false (ev_is_active (w))) |
3870 | return; |
4049 | return; |
3871 | |
4050 | |
3872 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4051 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3873 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4052 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3874 | |
4053 | |
|
|
4054 | #if EV_VERIFY >= 2 |
|
|
4055 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4056 | #endif |
3875 | EV_FREQUENT_CHECK; |
4057 | EV_FREQUENT_CHECK; |
3876 | |
4058 | |
3877 | ev_start (EV_A_ (W)w, 1); |
4059 | ev_start (EV_A_ (W)w, 1); |
3878 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
4060 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3879 | wlist_add (&anfds[fd].head, (WL)w); |
4061 | wlist_add (&anfds[fd].head, (WL)w); |
3880 | |
4062 | |
3881 | /* common bug, apparently */ |
4063 | /* common bug, apparently */ |
3882 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
4064 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3883 | |
4065 | |
… | |
… | |
3885 | w->events &= ~EV__IOFDSET; |
4067 | w->events &= ~EV__IOFDSET; |
3886 | |
4068 | |
3887 | EV_FREQUENT_CHECK; |
4069 | EV_FREQUENT_CHECK; |
3888 | } |
4070 | } |
3889 | |
4071 | |
3890 | noinline |
4072 | ecb_noinline |
3891 | void |
4073 | void |
3892 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
4074 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3893 | { |
4075 | { |
3894 | clear_pending (EV_A_ (W)w); |
4076 | clear_pending (EV_A_ (W)w); |
3895 | if (expect_false (!ev_is_active (w))) |
4077 | if (ecb_expect_false (!ev_is_active (w))) |
3896 | return; |
4078 | return; |
3897 | |
4079 | |
3898 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4080 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3899 | |
4081 | |
|
|
4082 | #if EV_VERIFY >= 2 |
|
|
4083 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4084 | #endif |
3900 | EV_FREQUENT_CHECK; |
4085 | EV_FREQUENT_CHECK; |
3901 | |
4086 | |
3902 | wlist_del (&anfds[w->fd].head, (WL)w); |
4087 | wlist_del (&anfds[w->fd].head, (WL)w); |
3903 | ev_stop (EV_A_ (W)w); |
4088 | ev_stop (EV_A_ (W)w); |
3904 | |
4089 | |
3905 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4090 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3906 | |
4091 | |
3907 | EV_FREQUENT_CHECK; |
4092 | EV_FREQUENT_CHECK; |
3908 | } |
4093 | } |
3909 | |
4094 | |
3910 | noinline |
4095 | ecb_noinline |
3911 | void |
4096 | void |
3912 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
4097 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3913 | { |
4098 | { |
3914 | if (expect_false (ev_is_active (w))) |
4099 | if (ecb_expect_false (ev_is_active (w))) |
3915 | return; |
4100 | return; |
3916 | |
4101 | |
3917 | ev_at (w) += mn_now; |
4102 | ev_at (w) += mn_now; |
3918 | |
4103 | |
3919 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4104 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
3920 | |
4105 | |
3921 | EV_FREQUENT_CHECK; |
4106 | EV_FREQUENT_CHECK; |
3922 | |
4107 | |
3923 | ++timercnt; |
4108 | ++timercnt; |
3924 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
4109 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3925 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
4110 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3926 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
4111 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3927 | ANHE_at_cache (timers [ev_active (w)]); |
4112 | ANHE_at_cache (timers [ev_active (w)]); |
3928 | upheap (timers, ev_active (w)); |
4113 | upheap (timers, ev_active (w)); |
3929 | |
4114 | |
3930 | EV_FREQUENT_CHECK; |
4115 | EV_FREQUENT_CHECK; |
3931 | |
4116 | |
3932 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4117 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3933 | } |
4118 | } |
3934 | |
4119 | |
3935 | noinline |
4120 | ecb_noinline |
3936 | void |
4121 | void |
3937 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
4122 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3938 | { |
4123 | { |
3939 | clear_pending (EV_A_ (W)w); |
4124 | clear_pending (EV_A_ (W)w); |
3940 | if (expect_false (!ev_is_active (w))) |
4125 | if (ecb_expect_false (!ev_is_active (w))) |
3941 | return; |
4126 | return; |
3942 | |
4127 | |
3943 | EV_FREQUENT_CHECK; |
4128 | EV_FREQUENT_CHECK; |
3944 | |
4129 | |
3945 | { |
4130 | { |
… | |
… | |
3947 | |
4132 | |
3948 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4133 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3949 | |
4134 | |
3950 | --timercnt; |
4135 | --timercnt; |
3951 | |
4136 | |
3952 | if (expect_true (active < timercnt + HEAP0)) |
4137 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3953 | { |
4138 | { |
3954 | timers [active] = timers [timercnt + HEAP0]; |
4139 | timers [active] = timers [timercnt + HEAP0]; |
3955 | adjustheap (timers, timercnt, active); |
4140 | adjustheap (timers, timercnt, active); |
3956 | } |
4141 | } |
3957 | } |
4142 | } |
… | |
… | |
3961 | ev_stop (EV_A_ (W)w); |
4146 | ev_stop (EV_A_ (W)w); |
3962 | |
4147 | |
3963 | EV_FREQUENT_CHECK; |
4148 | EV_FREQUENT_CHECK; |
3964 | } |
4149 | } |
3965 | |
4150 | |
3966 | noinline |
4151 | ecb_noinline |
3967 | void |
4152 | void |
3968 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
4153 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3969 | { |
4154 | { |
3970 | EV_FREQUENT_CHECK; |
4155 | EV_FREQUENT_CHECK; |
3971 | |
4156 | |
… | |
… | |
3992 | } |
4177 | } |
3993 | |
4178 | |
3994 | ev_tstamp |
4179 | ev_tstamp |
3995 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
4180 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3996 | { |
4181 | { |
3997 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4182 | return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.)); |
3998 | } |
4183 | } |
3999 | |
4184 | |
4000 | #if EV_PERIODIC_ENABLE |
4185 | #if EV_PERIODIC_ENABLE |
4001 | noinline |
4186 | ecb_noinline |
4002 | void |
4187 | void |
4003 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4188 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4004 | { |
4189 | { |
4005 | if (expect_false (ev_is_active (w))) |
4190 | if (ecb_expect_false (ev_is_active (w))) |
4006 | return; |
4191 | return; |
4007 | |
4192 | |
4008 | if (w->reschedule_cb) |
4193 | if (w->reschedule_cb) |
4009 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4194 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4010 | else if (w->interval) |
4195 | else if (w->interval) |
… | |
… | |
4017 | |
4202 | |
4018 | EV_FREQUENT_CHECK; |
4203 | EV_FREQUENT_CHECK; |
4019 | |
4204 | |
4020 | ++periodiccnt; |
4205 | ++periodiccnt; |
4021 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4206 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4022 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4207 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
4023 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4208 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4024 | ANHE_at_cache (periodics [ev_active (w)]); |
4209 | ANHE_at_cache (periodics [ev_active (w)]); |
4025 | upheap (periodics, ev_active (w)); |
4210 | upheap (periodics, ev_active (w)); |
4026 | |
4211 | |
4027 | EV_FREQUENT_CHECK; |
4212 | EV_FREQUENT_CHECK; |
4028 | |
4213 | |
4029 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4214 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4030 | } |
4215 | } |
4031 | |
4216 | |
4032 | noinline |
4217 | ecb_noinline |
4033 | void |
4218 | void |
4034 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4219 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4035 | { |
4220 | { |
4036 | clear_pending (EV_A_ (W)w); |
4221 | clear_pending (EV_A_ (W)w); |
4037 | if (expect_false (!ev_is_active (w))) |
4222 | if (ecb_expect_false (!ev_is_active (w))) |
4038 | return; |
4223 | return; |
4039 | |
4224 | |
4040 | EV_FREQUENT_CHECK; |
4225 | EV_FREQUENT_CHECK; |
4041 | |
4226 | |
4042 | { |
4227 | { |
… | |
… | |
4044 | |
4229 | |
4045 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4230 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4046 | |
4231 | |
4047 | --periodiccnt; |
4232 | --periodiccnt; |
4048 | |
4233 | |
4049 | if (expect_true (active < periodiccnt + HEAP0)) |
4234 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4050 | { |
4235 | { |
4051 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4236 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4052 | adjustheap (periodics, periodiccnt, active); |
4237 | adjustheap (periodics, periodiccnt, active); |
4053 | } |
4238 | } |
4054 | } |
4239 | } |
… | |
… | |
4056 | ev_stop (EV_A_ (W)w); |
4241 | ev_stop (EV_A_ (W)w); |
4057 | |
4242 | |
4058 | EV_FREQUENT_CHECK; |
4243 | EV_FREQUENT_CHECK; |
4059 | } |
4244 | } |
4060 | |
4245 | |
4061 | noinline |
4246 | ecb_noinline |
4062 | void |
4247 | void |
4063 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4248 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4064 | { |
4249 | { |
4065 | /* TODO: use adjustheap and recalculation */ |
4250 | /* TODO: use adjustheap and recalculation */ |
4066 | ev_periodic_stop (EV_A_ w); |
4251 | ev_periodic_stop (EV_A_ w); |
… | |
… | |
4072 | # define SA_RESTART 0 |
4257 | # define SA_RESTART 0 |
4073 | #endif |
4258 | #endif |
4074 | |
4259 | |
4075 | #if EV_SIGNAL_ENABLE |
4260 | #if EV_SIGNAL_ENABLE |
4076 | |
4261 | |
4077 | noinline |
4262 | ecb_noinline |
4078 | void |
4263 | void |
4079 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4264 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4080 | { |
4265 | { |
4081 | if (expect_false (ev_is_active (w))) |
4266 | if (ecb_expect_false (ev_is_active (w))) |
4082 | return; |
4267 | return; |
4083 | |
4268 | |
4084 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4269 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4085 | |
4270 | |
4086 | #if EV_MULTIPLICITY |
4271 | #if EV_MULTIPLICITY |
… | |
… | |
4155 | } |
4340 | } |
4156 | |
4341 | |
4157 | EV_FREQUENT_CHECK; |
4342 | EV_FREQUENT_CHECK; |
4158 | } |
4343 | } |
4159 | |
4344 | |
4160 | noinline |
4345 | ecb_noinline |
4161 | void |
4346 | void |
4162 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4347 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4163 | { |
4348 | { |
4164 | clear_pending (EV_A_ (W)w); |
4349 | clear_pending (EV_A_ (W)w); |
4165 | if (expect_false (!ev_is_active (w))) |
4350 | if (ecb_expect_false (!ev_is_active (w))) |
4166 | return; |
4351 | return; |
4167 | |
4352 | |
4168 | EV_FREQUENT_CHECK; |
4353 | EV_FREQUENT_CHECK; |
4169 | |
4354 | |
4170 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4355 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4203 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4388 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4204 | { |
4389 | { |
4205 | #if EV_MULTIPLICITY |
4390 | #if EV_MULTIPLICITY |
4206 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4391 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4207 | #endif |
4392 | #endif |
4208 | if (expect_false (ev_is_active (w))) |
4393 | if (ecb_expect_false (ev_is_active (w))) |
4209 | return; |
4394 | return; |
4210 | |
4395 | |
4211 | EV_FREQUENT_CHECK; |
4396 | EV_FREQUENT_CHECK; |
4212 | |
4397 | |
4213 | ev_start (EV_A_ (W)w, 1); |
4398 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4218 | |
4403 | |
4219 | void |
4404 | void |
4220 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4405 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4221 | { |
4406 | { |
4222 | clear_pending (EV_A_ (W)w); |
4407 | clear_pending (EV_A_ (W)w); |
4223 | if (expect_false (!ev_is_active (w))) |
4408 | if (ecb_expect_false (!ev_is_active (w))) |
4224 | return; |
4409 | return; |
4225 | |
4410 | |
4226 | EV_FREQUENT_CHECK; |
4411 | EV_FREQUENT_CHECK; |
4227 | |
4412 | |
4228 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4413 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4242 | |
4427 | |
4243 | #define DEF_STAT_INTERVAL 5.0074891 |
4428 | #define DEF_STAT_INTERVAL 5.0074891 |
4244 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4429 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4245 | #define MIN_STAT_INTERVAL 0.1074891 |
4430 | #define MIN_STAT_INTERVAL 0.1074891 |
4246 | |
4431 | |
4247 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4432 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4248 | |
4433 | |
4249 | #if EV_USE_INOTIFY |
4434 | #if EV_USE_INOTIFY |
4250 | |
4435 | |
4251 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4436 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4252 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4437 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4253 | |
4438 | |
4254 | noinline |
4439 | ecb_noinline |
4255 | static void |
4440 | static void |
4256 | infy_add (EV_P_ ev_stat *w) |
4441 | infy_add (EV_P_ ev_stat *w) |
4257 | { |
4442 | { |
4258 | w->wd = inotify_add_watch (fs_fd, w->path, |
4443 | w->wd = inotify_add_watch (fs_fd, w->path, |
4259 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4444 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4324 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4509 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4325 | ev_timer_again (EV_A_ &w->timer); |
4510 | ev_timer_again (EV_A_ &w->timer); |
4326 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4511 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4327 | } |
4512 | } |
4328 | |
4513 | |
4329 | noinline |
4514 | ecb_noinline |
4330 | static void |
4515 | static void |
4331 | infy_del (EV_P_ ev_stat *w) |
4516 | infy_del (EV_P_ ev_stat *w) |
4332 | { |
4517 | { |
4333 | int slot; |
4518 | int slot; |
4334 | int wd = w->wd; |
4519 | int wd = w->wd; |
… | |
… | |
4342 | |
4527 | |
4343 | /* remove this watcher, if others are watching it, they will rearm */ |
4528 | /* remove this watcher, if others are watching it, they will rearm */ |
4344 | inotify_rm_watch (fs_fd, wd); |
4529 | inotify_rm_watch (fs_fd, wd); |
4345 | } |
4530 | } |
4346 | |
4531 | |
4347 | noinline |
4532 | ecb_noinline |
4348 | static void |
4533 | static void |
4349 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4534 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4350 | { |
4535 | { |
4351 | if (slot < 0) |
4536 | if (slot < 0) |
4352 | /* overflow, need to check for all hash slots */ |
4537 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4498 | w->attr.st_nlink = 0; |
4683 | w->attr.st_nlink = 0; |
4499 | else if (!w->attr.st_nlink) |
4684 | else if (!w->attr.st_nlink) |
4500 | w->attr.st_nlink = 1; |
4685 | w->attr.st_nlink = 1; |
4501 | } |
4686 | } |
4502 | |
4687 | |
4503 | noinline |
4688 | ecb_noinline |
4504 | static void |
4689 | static void |
4505 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4690 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4506 | { |
4691 | { |
4507 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4692 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4508 | |
4693 | |
… | |
… | |
4542 | } |
4727 | } |
4543 | |
4728 | |
4544 | void |
4729 | void |
4545 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4730 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4546 | { |
4731 | { |
4547 | if (expect_false (ev_is_active (w))) |
4732 | if (ecb_expect_false (ev_is_active (w))) |
4548 | return; |
4733 | return; |
4549 | |
4734 | |
4550 | ev_stat_stat (EV_A_ w); |
4735 | ev_stat_stat (EV_A_ w); |
4551 | |
4736 | |
4552 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
4737 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4574 | |
4759 | |
4575 | void |
4760 | void |
4576 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4761 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4577 | { |
4762 | { |
4578 | clear_pending (EV_A_ (W)w); |
4763 | clear_pending (EV_A_ (W)w); |
4579 | if (expect_false (!ev_is_active (w))) |
4764 | if (ecb_expect_false (!ev_is_active (w))) |
4580 | return; |
4765 | return; |
4581 | |
4766 | |
4582 | EV_FREQUENT_CHECK; |
4767 | EV_FREQUENT_CHECK; |
4583 | |
4768 | |
4584 | #if EV_USE_INOTIFY |
4769 | #if EV_USE_INOTIFY |
… | |
… | |
4599 | |
4784 | |
4600 | #if EV_IDLE_ENABLE |
4785 | #if EV_IDLE_ENABLE |
4601 | void |
4786 | void |
4602 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4787 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4603 | { |
4788 | { |
4604 | if (expect_false (ev_is_active (w))) |
4789 | if (ecb_expect_false (ev_is_active (w))) |
4605 | return; |
4790 | return; |
4606 | |
4791 | |
4607 | pri_adjust (EV_A_ (W)w); |
4792 | pri_adjust (EV_A_ (W)w); |
4608 | |
4793 | |
4609 | EV_FREQUENT_CHECK; |
4794 | EV_FREQUENT_CHECK; |
… | |
… | |
4612 | int active = ++idlecnt [ABSPRI (w)]; |
4797 | int active = ++idlecnt [ABSPRI (w)]; |
4613 | |
4798 | |
4614 | ++idleall; |
4799 | ++idleall; |
4615 | ev_start (EV_A_ (W)w, active); |
4800 | ev_start (EV_A_ (W)w, active); |
4616 | |
4801 | |
4617 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4802 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4618 | idles [ABSPRI (w)][active - 1] = w; |
4803 | idles [ABSPRI (w)][active - 1] = w; |
4619 | } |
4804 | } |
4620 | |
4805 | |
4621 | EV_FREQUENT_CHECK; |
4806 | EV_FREQUENT_CHECK; |
4622 | } |
4807 | } |
4623 | |
4808 | |
4624 | void |
4809 | void |
4625 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4810 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4626 | { |
4811 | { |
4627 | clear_pending (EV_A_ (W)w); |
4812 | clear_pending (EV_A_ (W)w); |
4628 | if (expect_false (!ev_is_active (w))) |
4813 | if (ecb_expect_false (!ev_is_active (w))) |
4629 | return; |
4814 | return; |
4630 | |
4815 | |
4631 | EV_FREQUENT_CHECK; |
4816 | EV_FREQUENT_CHECK; |
4632 | |
4817 | |
4633 | { |
4818 | { |
… | |
… | |
4646 | |
4831 | |
4647 | #if EV_PREPARE_ENABLE |
4832 | #if EV_PREPARE_ENABLE |
4648 | void |
4833 | void |
4649 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4834 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4650 | { |
4835 | { |
4651 | if (expect_false (ev_is_active (w))) |
4836 | if (ecb_expect_false (ev_is_active (w))) |
4652 | return; |
4837 | return; |
4653 | |
4838 | |
4654 | EV_FREQUENT_CHECK; |
4839 | EV_FREQUENT_CHECK; |
4655 | |
4840 | |
4656 | ev_start (EV_A_ (W)w, ++preparecnt); |
4841 | ev_start (EV_A_ (W)w, ++preparecnt); |
4657 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4842 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4658 | prepares [preparecnt - 1] = w; |
4843 | prepares [preparecnt - 1] = w; |
4659 | |
4844 | |
4660 | EV_FREQUENT_CHECK; |
4845 | EV_FREQUENT_CHECK; |
4661 | } |
4846 | } |
4662 | |
4847 | |
4663 | void |
4848 | void |
4664 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4849 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4665 | { |
4850 | { |
4666 | clear_pending (EV_A_ (W)w); |
4851 | clear_pending (EV_A_ (W)w); |
4667 | if (expect_false (!ev_is_active (w))) |
4852 | if (ecb_expect_false (!ev_is_active (w))) |
4668 | return; |
4853 | return; |
4669 | |
4854 | |
4670 | EV_FREQUENT_CHECK; |
4855 | EV_FREQUENT_CHECK; |
4671 | |
4856 | |
4672 | { |
4857 | { |
… | |
… | |
4684 | |
4869 | |
4685 | #if EV_CHECK_ENABLE |
4870 | #if EV_CHECK_ENABLE |
4686 | void |
4871 | void |
4687 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4872 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4688 | { |
4873 | { |
4689 | if (expect_false (ev_is_active (w))) |
4874 | if (ecb_expect_false (ev_is_active (w))) |
4690 | return; |
4875 | return; |
4691 | |
4876 | |
4692 | EV_FREQUENT_CHECK; |
4877 | EV_FREQUENT_CHECK; |
4693 | |
4878 | |
4694 | ev_start (EV_A_ (W)w, ++checkcnt); |
4879 | ev_start (EV_A_ (W)w, ++checkcnt); |
4695 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4880 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4696 | checks [checkcnt - 1] = w; |
4881 | checks [checkcnt - 1] = w; |
4697 | |
4882 | |
4698 | EV_FREQUENT_CHECK; |
4883 | EV_FREQUENT_CHECK; |
4699 | } |
4884 | } |
4700 | |
4885 | |
4701 | void |
4886 | void |
4702 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4887 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4703 | { |
4888 | { |
4704 | clear_pending (EV_A_ (W)w); |
4889 | clear_pending (EV_A_ (W)w); |
4705 | if (expect_false (!ev_is_active (w))) |
4890 | if (ecb_expect_false (!ev_is_active (w))) |
4706 | return; |
4891 | return; |
4707 | |
4892 | |
4708 | EV_FREQUENT_CHECK; |
4893 | EV_FREQUENT_CHECK; |
4709 | |
4894 | |
4710 | { |
4895 | { |
… | |
… | |
4719 | EV_FREQUENT_CHECK; |
4904 | EV_FREQUENT_CHECK; |
4720 | } |
4905 | } |
4721 | #endif |
4906 | #endif |
4722 | |
4907 | |
4723 | #if EV_EMBED_ENABLE |
4908 | #if EV_EMBED_ENABLE |
4724 | noinline |
4909 | ecb_noinline |
4725 | void |
4910 | void |
4726 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4911 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4727 | { |
4912 | { |
4728 | ev_run (w->other, EVRUN_NOWAIT); |
4913 | ev_run (w->other, EVRUN_NOWAIT); |
4729 | } |
4914 | } |
… | |
… | |
4781 | #endif |
4966 | #endif |
4782 | |
4967 | |
4783 | void |
4968 | void |
4784 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4969 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4785 | { |
4970 | { |
4786 | if (expect_false (ev_is_active (w))) |
4971 | if (ecb_expect_false (ev_is_active (w))) |
4787 | return; |
4972 | return; |
4788 | |
4973 | |
4789 | { |
4974 | { |
4790 | EV_P = w->other; |
4975 | EV_P = w->other; |
4791 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
4976 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4813 | |
4998 | |
4814 | void |
4999 | void |
4815 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
5000 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4816 | { |
5001 | { |
4817 | clear_pending (EV_A_ (W)w); |
5002 | clear_pending (EV_A_ (W)w); |
4818 | if (expect_false (!ev_is_active (w))) |
5003 | if (ecb_expect_false (!ev_is_active (w))) |
4819 | return; |
5004 | return; |
4820 | |
5005 | |
4821 | EV_FREQUENT_CHECK; |
5006 | EV_FREQUENT_CHECK; |
4822 | |
5007 | |
4823 | ev_io_stop (EV_A_ &w->io); |
5008 | ev_io_stop (EV_A_ &w->io); |
… | |
… | |
4832 | |
5017 | |
4833 | #if EV_FORK_ENABLE |
5018 | #if EV_FORK_ENABLE |
4834 | void |
5019 | void |
4835 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
5020 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4836 | { |
5021 | { |
4837 | if (expect_false (ev_is_active (w))) |
5022 | if (ecb_expect_false (ev_is_active (w))) |
4838 | return; |
5023 | return; |
4839 | |
5024 | |
4840 | EV_FREQUENT_CHECK; |
5025 | EV_FREQUENT_CHECK; |
4841 | |
5026 | |
4842 | ev_start (EV_A_ (W)w, ++forkcnt); |
5027 | ev_start (EV_A_ (W)w, ++forkcnt); |
4843 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
5028 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4844 | forks [forkcnt - 1] = w; |
5029 | forks [forkcnt - 1] = w; |
4845 | |
5030 | |
4846 | EV_FREQUENT_CHECK; |
5031 | EV_FREQUENT_CHECK; |
4847 | } |
5032 | } |
4848 | |
5033 | |
4849 | void |
5034 | void |
4850 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
5035 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4851 | { |
5036 | { |
4852 | clear_pending (EV_A_ (W)w); |
5037 | clear_pending (EV_A_ (W)w); |
4853 | if (expect_false (!ev_is_active (w))) |
5038 | if (ecb_expect_false (!ev_is_active (w))) |
4854 | return; |
5039 | return; |
4855 | |
5040 | |
4856 | EV_FREQUENT_CHECK; |
5041 | EV_FREQUENT_CHECK; |
4857 | |
5042 | |
4858 | { |
5043 | { |
… | |
… | |
4870 | |
5055 | |
4871 | #if EV_CLEANUP_ENABLE |
5056 | #if EV_CLEANUP_ENABLE |
4872 | void |
5057 | void |
4873 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5058 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4874 | { |
5059 | { |
4875 | if (expect_false (ev_is_active (w))) |
5060 | if (ecb_expect_false (ev_is_active (w))) |
4876 | return; |
5061 | return; |
4877 | |
5062 | |
4878 | EV_FREQUENT_CHECK; |
5063 | EV_FREQUENT_CHECK; |
4879 | |
5064 | |
4880 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5065 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4881 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
5066 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4882 | cleanups [cleanupcnt - 1] = w; |
5067 | cleanups [cleanupcnt - 1] = w; |
4883 | |
5068 | |
4884 | /* cleanup watchers should never keep a refcount on the loop */ |
5069 | /* cleanup watchers should never keep a refcount on the loop */ |
4885 | ev_unref (EV_A); |
5070 | ev_unref (EV_A); |
4886 | EV_FREQUENT_CHECK; |
5071 | EV_FREQUENT_CHECK; |
… | |
… | |
4888 | |
5073 | |
4889 | void |
5074 | void |
4890 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5075 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4891 | { |
5076 | { |
4892 | clear_pending (EV_A_ (W)w); |
5077 | clear_pending (EV_A_ (W)w); |
4893 | if (expect_false (!ev_is_active (w))) |
5078 | if (ecb_expect_false (!ev_is_active (w))) |
4894 | return; |
5079 | return; |
4895 | |
5080 | |
4896 | EV_FREQUENT_CHECK; |
5081 | EV_FREQUENT_CHECK; |
4897 | ev_ref (EV_A); |
5082 | ev_ref (EV_A); |
4898 | |
5083 | |
… | |
… | |
4911 | |
5096 | |
4912 | #if EV_ASYNC_ENABLE |
5097 | #if EV_ASYNC_ENABLE |
4913 | void |
5098 | void |
4914 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
5099 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4915 | { |
5100 | { |
4916 | if (expect_false (ev_is_active (w))) |
5101 | if (ecb_expect_false (ev_is_active (w))) |
4917 | return; |
5102 | return; |
4918 | |
5103 | |
4919 | w->sent = 0; |
5104 | w->sent = 0; |
4920 | |
5105 | |
4921 | evpipe_init (EV_A); |
5106 | evpipe_init (EV_A); |
4922 | |
5107 | |
4923 | EV_FREQUENT_CHECK; |
5108 | EV_FREQUENT_CHECK; |
4924 | |
5109 | |
4925 | ev_start (EV_A_ (W)w, ++asynccnt); |
5110 | ev_start (EV_A_ (W)w, ++asynccnt); |
4926 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
5111 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4927 | asyncs [asynccnt - 1] = w; |
5112 | asyncs [asynccnt - 1] = w; |
4928 | |
5113 | |
4929 | EV_FREQUENT_CHECK; |
5114 | EV_FREQUENT_CHECK; |
4930 | } |
5115 | } |
4931 | |
5116 | |
4932 | void |
5117 | void |
4933 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
5118 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4934 | { |
5119 | { |
4935 | clear_pending (EV_A_ (W)w); |
5120 | clear_pending (EV_A_ (W)w); |
4936 | if (expect_false (!ev_is_active (w))) |
5121 | if (ecb_expect_false (!ev_is_active (w))) |
4937 | return; |
5122 | return; |
4938 | |
5123 | |
4939 | EV_FREQUENT_CHECK; |
5124 | EV_FREQUENT_CHECK; |
4940 | |
5125 | |
4941 | { |
5126 | { |
… | |
… | |
4999 | |
5184 | |
5000 | void |
5185 | void |
5001 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
5186 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
5002 | { |
5187 | { |
5003 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5188 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5004 | |
|
|
5005 | if (expect_false (!once)) |
|
|
5006 | { |
|
|
5007 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
5008 | return; |
|
|
5009 | } |
|
|
5010 | |
5189 | |
5011 | once->cb = cb; |
5190 | once->cb = cb; |
5012 | once->arg = arg; |
5191 | once->arg = arg; |
5013 | |
5192 | |
5014 | ev_init (&once->io, once_cb_io); |
5193 | ev_init (&once->io, once_cb_io); |