1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
115 | # else |
115 | # else |
116 | # undef EV_USE_EPOLL |
116 | # undef EV_USE_EPOLL |
117 | # define EV_USE_EPOLL 0 |
117 | # define EV_USE_EPOLL 0 |
118 | # endif |
118 | # endif |
119 | |
119 | |
|
|
120 | # if HAVE_LINUX_AIO_ABI_H |
|
|
121 | # ifndef EV_USE_LINUXAIO |
|
|
122 | # define EV_USE_LINUXAIO EV_FEATURE_BACKENDS |
|
|
123 | # endif |
|
|
124 | # else |
|
|
125 | # undef EV_USE_LINUXAIO |
|
|
126 | # define EV_USE_LINUXAIO 0 |
|
|
127 | # endif |
|
|
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 | |
|
|
329 | #ifndef EV_USE_LINUXAIO |
|
|
330 | # define EV_USE_LINUXAIO 0 |
|
|
331 | #endif |
|
|
332 | |
320 | #ifndef EV_USE_INOTIFY |
333 | #ifndef EV_USE_INOTIFY |
321 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
334 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
322 | # define EV_USE_INOTIFY EV_FEATURE_OS |
335 | # define EV_USE_INOTIFY EV_FEATURE_OS |
323 | # else |
336 | # else |
324 | # define EV_USE_INOTIFY 0 |
337 | # define EV_USE_INOTIFY 0 |
… | |
… | |
379 | /* aix's poll.h seems to cause lots of trouble */ |
392 | /* aix's poll.h seems to cause lots of trouble */ |
380 | #ifdef _AIX |
393 | #ifdef _AIX |
381 | /* AIX has a completely broken poll.h header */ |
394 | /* AIX has a completely broken poll.h header */ |
382 | # undef EV_USE_POLL |
395 | # undef EV_USE_POLL |
383 | # define EV_USE_POLL 0 |
396 | # define EV_USE_POLL 0 |
|
|
397 | #endif |
|
|
398 | |
|
|
399 | #if EV_USE_LINUXAIO |
|
|
400 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
384 | #endif |
401 | #endif |
385 | |
402 | |
386 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
403 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
387 | /* which makes programs even slower. might work on other unices, too. */ |
404 | /* which makes programs even slower. might work on other unices, too. */ |
388 | #if EV_USE_CLOCK_SYSCALL |
405 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
416 | |
433 | |
417 | #if !EV_USE_NANOSLEEP |
434 | #if !EV_USE_NANOSLEEP |
418 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
435 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
419 | # if !defined _WIN32 && !defined __hpux |
436 | # if !defined _WIN32 && !defined __hpux |
420 | # include <sys/select.h> |
437 | # include <sys/select.h> |
|
|
438 | # endif |
|
|
439 | #endif |
|
|
440 | |
|
|
441 | #if EV_USE_LINUXAIO |
|
|
442 | # include <sys/syscall.h> |
|
|
443 | # if !SYS_io_getevents |
|
|
444 | # undef EV_USE_LINUXAIO |
|
|
445 | # define EV_USE_LINUXAIO 0 |
421 | # endif |
446 | # endif |
422 | #endif |
447 | #endif |
423 | |
448 | |
424 | #if EV_USE_INOTIFY |
449 | #if EV_USE_INOTIFY |
425 | # include <sys/statfs.h> |
450 | # include <sys/statfs.h> |
… | |
… | |
609 | #define ECB_CLANG_EXTENSION(x) 0 |
634 | #define ECB_CLANG_EXTENSION(x) 0 |
610 | #endif |
635 | #endif |
611 | |
636 | |
612 | #define ECB_CPP (__cplusplus+0) |
637 | #define ECB_CPP (__cplusplus+0) |
613 | #define ECB_CPP11 (__cplusplus >= 201103L) |
638 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
639 | #define ECB_CPP14 (__cplusplus >= 201402L) |
|
|
640 | #define ECB_CPP17 (__cplusplus >= 201703L) |
614 | |
641 | |
615 | #if ECB_CPP |
642 | #if ECB_CPP |
616 | #define ECB_C 0 |
643 | #define ECB_C 0 |
617 | #define ECB_STDC_VERSION 0 |
644 | #define ECB_STDC_VERSION 0 |
618 | #else |
645 | #else |
… | |
… | |
620 | #define ECB_STDC_VERSION __STDC_VERSION__ |
647 | #define ECB_STDC_VERSION __STDC_VERSION__ |
621 | #endif |
648 | #endif |
622 | |
649 | |
623 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
650 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
624 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
651 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
|
|
652 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
625 | |
653 | |
626 | #if ECB_CPP |
654 | #if ECB_CPP |
627 | #define ECB_EXTERN_C extern "C" |
655 | #define ECB_EXTERN_C extern "C" |
628 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
656 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
629 | #define ECB_EXTERN_C_END } |
657 | #define ECB_EXTERN_C_END } |
… | |
… | |
658 | #ifndef ECB_MEMORY_FENCE |
686 | #ifndef ECB_MEMORY_FENCE |
659 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
687 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
660 | #if __i386 || __i386__ |
688 | #if __i386 || __i386__ |
661 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
689 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
662 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
690 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
663 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
691 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
664 | #elif ECB_GCC_AMD64 |
692 | #elif ECB_GCC_AMD64 |
665 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
693 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
666 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
694 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
667 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
695 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
668 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
696 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
669 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
697 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
670 | #elif defined __ARM_ARCH_2__ \ |
698 | #elif defined __ARM_ARCH_2__ \ |
671 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
699 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
672 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
700 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
… | |
… | |
1540 | # define ABSPRI(w) (((W)w), 0) |
1568 | # define ABSPRI(w) (((W)w), 0) |
1541 | #else |
1569 | #else |
1542 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1570 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1543 | #endif |
1571 | #endif |
1544 | |
1572 | |
1545 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1573 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1546 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1547 | |
1574 | |
1548 | typedef ev_watcher *W; |
1575 | typedef ev_watcher *W; |
1549 | typedef ev_watcher_list *WL; |
1576 | typedef ev_watcher_list *WL; |
1550 | typedef ev_watcher_time *WT; |
1577 | typedef ev_watcher_time *WT; |
1551 | |
1578 | |
… | |
… | |
1767 | typedef struct |
1794 | typedef struct |
1768 | { |
1795 | { |
1769 | WL head; |
1796 | WL head; |
1770 | unsigned char events; /* the events watched for */ |
1797 | unsigned char events; /* the events watched for */ |
1771 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1798 | 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 */ |
1799 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1773 | unsigned char unused; |
1800 | unsigned char unused; |
1774 | #if EV_USE_EPOLL |
1801 | #if EV_USE_EPOLL |
1775 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1802 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1776 | #endif |
1803 | #endif |
1777 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1804 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
… | |
… | |
1958 | { |
1985 | { |
1959 | *cur = array_nextsize (elem, *cur, cnt); |
1986 | *cur = array_nextsize (elem, *cur, cnt); |
1960 | return ev_realloc (base, elem * *cur); |
1987 | return ev_realloc (base, elem * *cur); |
1961 | } |
1988 | } |
1962 | |
1989 | |
|
|
1990 | #define array_needsize_noinit(base,count) |
|
|
1991 | |
1963 | #define array_init_zero(base,count) \ |
1992 | #define array_needsize_zerofill(base,count) \ |
1964 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1993 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1965 | |
1994 | |
1966 | #define array_needsize(type,base,cur,cnt,init) \ |
1995 | #define array_needsize(type,base,cur,cnt,init) \ |
1967 | if (expect_false ((cnt) > (cur))) \ |
1996 | if (expect_false ((cnt) > (cur))) \ |
1968 | { \ |
1997 | { \ |
… | |
… | |
2004 | if (expect_false (w_->pending)) |
2033 | if (expect_false (w_->pending)) |
2005 | pendings [pri][w_->pending - 1].events |= revents; |
2034 | pendings [pri][w_->pending - 1].events |= revents; |
2006 | else |
2035 | else |
2007 | { |
2036 | { |
2008 | w_->pending = ++pendingcnt [pri]; |
2037 | w_->pending = ++pendingcnt [pri]; |
2009 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2038 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2010 | pendings [pri][w_->pending - 1].w = w_; |
2039 | pendings [pri][w_->pending - 1].w = w_; |
2011 | pendings [pri][w_->pending - 1].events = revents; |
2040 | pendings [pri][w_->pending - 1].events = revents; |
2012 | } |
2041 | } |
2013 | |
2042 | |
2014 | pendingpri = NUMPRI - 1; |
2043 | pendingpri = NUMPRI - 1; |
2015 | } |
2044 | } |
2016 | |
2045 | |
2017 | inline_speed void |
2046 | inline_speed void |
2018 | feed_reverse (EV_P_ W w) |
2047 | feed_reverse (EV_P_ W w) |
2019 | { |
2048 | { |
2020 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2049 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
2021 | rfeeds [rfeedcnt++] = w; |
2050 | rfeeds [rfeedcnt++] = w; |
2022 | } |
2051 | } |
2023 | |
2052 | |
2024 | inline_size void |
2053 | inline_size void |
2025 | feed_reverse_done (EV_P_ int revents) |
2054 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
2143 | anfds [fd].reify |= flags; |
2172 | anfds [fd].reify |= flags; |
2144 | |
2173 | |
2145 | if (expect_true (!reify)) |
2174 | if (expect_true (!reify)) |
2146 | { |
2175 | { |
2147 | ++fdchangecnt; |
2176 | ++fdchangecnt; |
2148 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2177 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2149 | fdchanges [fdchangecnt - 1] = fd; |
2178 | fdchanges [fdchangecnt - 1] = fd; |
2150 | } |
2179 | } |
2151 | } |
2180 | } |
2152 | |
2181 | |
2153 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2182 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
… | |
… | |
2700 | # include "ev_port.c" |
2729 | # include "ev_port.c" |
2701 | #endif |
2730 | #endif |
2702 | #if EV_USE_KQUEUE |
2731 | #if EV_USE_KQUEUE |
2703 | # include "ev_kqueue.c" |
2732 | # include "ev_kqueue.c" |
2704 | #endif |
2733 | #endif |
|
|
2734 | #if EV_USE_LINUXAIO |
|
|
2735 | # include "ev_linuxaio.c" |
|
|
2736 | #endif |
2705 | #if EV_USE_EPOLL |
2737 | #if EV_USE_EPOLL |
2706 | # include "ev_epoll.c" |
2738 | # include "ev_epoll.c" |
2707 | #endif |
2739 | #endif |
2708 | #if EV_USE_POLL |
2740 | #if EV_USE_POLL |
2709 | # include "ev_poll.c" |
2741 | # include "ev_poll.c" |
… | |
… | |
2740 | unsigned int |
2772 | unsigned int |
2741 | ev_supported_backends (void) EV_NOEXCEPT |
2773 | ev_supported_backends (void) EV_NOEXCEPT |
2742 | { |
2774 | { |
2743 | unsigned int flags = 0; |
2775 | unsigned int flags = 0; |
2744 | |
2776 | |
2745 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2777 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2746 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2778 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2747 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2779 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2780 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
2748 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2781 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2749 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2782 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2750 | |
2783 | |
2751 | return flags; |
2784 | return flags; |
2752 | } |
2785 | } |
2753 | |
2786 | |
2754 | ecb_cold |
2787 | ecb_cold |
… | |
… | |
2768 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
2801 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
2769 | #endif |
2802 | #endif |
2770 | #ifdef __FreeBSD__ |
2803 | #ifdef __FreeBSD__ |
2771 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2804 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2772 | #endif |
2805 | #endif |
|
|
2806 | |
|
|
2807 | /* TODO: linuxaio is very experimental */ |
|
|
2808 | flags &= ~EVBACKEND_LINUXAIO; |
2773 | |
2809 | |
2774 | return flags; |
2810 | return flags; |
2775 | } |
2811 | } |
2776 | |
2812 | |
2777 | ecb_cold |
2813 | ecb_cold |
… | |
… | |
2913 | |
2949 | |
2914 | if (!(flags & EVBACKEND_MASK)) |
2950 | if (!(flags & EVBACKEND_MASK)) |
2915 | flags |= ev_recommended_backends (); |
2951 | flags |= ev_recommended_backends (); |
2916 | |
2952 | |
2917 | #if EV_USE_IOCP |
2953 | #if EV_USE_IOCP |
2918 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2954 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2919 | #endif |
2955 | #endif |
2920 | #if EV_USE_PORT |
2956 | #if EV_USE_PORT |
2921 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2957 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2922 | #endif |
2958 | #endif |
2923 | #if EV_USE_KQUEUE |
2959 | #if EV_USE_KQUEUE |
2924 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2960 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
2961 | #endif |
|
|
2962 | #if EV_USE_LINUXAIO |
|
|
2963 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2925 | #endif |
2964 | #endif |
2926 | #if EV_USE_EPOLL |
2965 | #if EV_USE_EPOLL |
2927 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2966 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2928 | #endif |
2967 | #endif |
2929 | #if EV_USE_POLL |
2968 | #if EV_USE_POLL |
2930 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2969 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2931 | #endif |
2970 | #endif |
2932 | #if EV_USE_SELECT |
2971 | #if EV_USE_SELECT |
2933 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
2972 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2934 | #endif |
2973 | #endif |
2935 | |
2974 | |
2936 | ev_prepare_init (&pending_w, pendingcb); |
2975 | ev_prepare_init (&pending_w, pendingcb); |
2937 | |
2976 | |
2938 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2977 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2993 | |
3032 | |
2994 | if (backend_fd >= 0) |
3033 | if (backend_fd >= 0) |
2995 | close (backend_fd); |
3034 | close (backend_fd); |
2996 | |
3035 | |
2997 | #if EV_USE_IOCP |
3036 | #if EV_USE_IOCP |
2998 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3037 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2999 | #endif |
3038 | #endif |
3000 | #if EV_USE_PORT |
3039 | #if EV_USE_PORT |
3001 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3040 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3002 | #endif |
3041 | #endif |
3003 | #if EV_USE_KQUEUE |
3042 | #if EV_USE_KQUEUE |
3004 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3043 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3044 | #endif |
|
|
3045 | #if EV_USE_LINUXAIO |
|
|
3046 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3005 | #endif |
3047 | #endif |
3006 | #if EV_USE_EPOLL |
3048 | #if EV_USE_EPOLL |
3007 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3049 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3008 | #endif |
3050 | #endif |
3009 | #if EV_USE_POLL |
3051 | #if EV_USE_POLL |
3010 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3052 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3011 | #endif |
3053 | #endif |
3012 | #if EV_USE_SELECT |
3054 | #if EV_USE_SELECT |
3013 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3055 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
3014 | #endif |
3056 | #endif |
3015 | |
3057 | |
3016 | for (i = NUMPRI; i--; ) |
3058 | for (i = NUMPRI; i--; ) |
3017 | { |
3059 | { |
3018 | array_free (pending, [i]); |
3060 | array_free (pending, [i]); |
… | |
… | |
3060 | |
3102 | |
3061 | inline_size void |
3103 | inline_size void |
3062 | loop_fork (EV_P) |
3104 | loop_fork (EV_P) |
3063 | { |
3105 | { |
3064 | #if EV_USE_PORT |
3106 | #if EV_USE_PORT |
3065 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3107 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3066 | #endif |
3108 | #endif |
3067 | #if EV_USE_KQUEUE |
3109 | #if EV_USE_KQUEUE |
3068 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3110 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3111 | #endif |
|
|
3112 | #if EV_USE_LINUXAIO |
|
|
3113 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3069 | #endif |
3114 | #endif |
3070 | #if EV_USE_EPOLL |
3115 | #if EV_USE_EPOLL |
3071 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3116 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3072 | #endif |
3117 | #endif |
3073 | #if EV_USE_INOTIFY |
3118 | #if EV_USE_INOTIFY |
3074 | infy_fork (EV_A); |
3119 | infy_fork (EV_A); |
3075 | #endif |
3120 | #endif |
3076 | |
3121 | |
… | |
… | |
3873 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3918 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3874 | |
3919 | |
3875 | EV_FREQUENT_CHECK; |
3920 | EV_FREQUENT_CHECK; |
3876 | |
3921 | |
3877 | ev_start (EV_A_ (W)w, 1); |
3922 | ev_start (EV_A_ (W)w, 1); |
3878 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3923 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3879 | wlist_add (&anfds[fd].head, (WL)w); |
3924 | wlist_add (&anfds[fd].head, (WL)w); |
3880 | |
3925 | |
3881 | /* common bug, apparently */ |
3926 | /* common bug, apparently */ |
3882 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3927 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3883 | |
3928 | |
… | |
… | |
3920 | |
3965 | |
3921 | EV_FREQUENT_CHECK; |
3966 | EV_FREQUENT_CHECK; |
3922 | |
3967 | |
3923 | ++timercnt; |
3968 | ++timercnt; |
3924 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3969 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3925 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
3970 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3926 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3971 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3927 | ANHE_at_cache (timers [ev_active (w)]); |
3972 | ANHE_at_cache (timers [ev_active (w)]); |
3928 | upheap (timers, ev_active (w)); |
3973 | upheap (timers, ev_active (w)); |
3929 | |
3974 | |
3930 | EV_FREQUENT_CHECK; |
3975 | EV_FREQUENT_CHECK; |
… | |
… | |
4017 | |
4062 | |
4018 | EV_FREQUENT_CHECK; |
4063 | EV_FREQUENT_CHECK; |
4019 | |
4064 | |
4020 | ++periodiccnt; |
4065 | ++periodiccnt; |
4021 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4066 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4022 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4067 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
4023 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4068 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4024 | ANHE_at_cache (periodics [ev_active (w)]); |
4069 | ANHE_at_cache (periodics [ev_active (w)]); |
4025 | upheap (periodics, ev_active (w)); |
4070 | upheap (periodics, ev_active (w)); |
4026 | |
4071 | |
4027 | EV_FREQUENT_CHECK; |
4072 | EV_FREQUENT_CHECK; |
… | |
… | |
4612 | int active = ++idlecnt [ABSPRI (w)]; |
4657 | int active = ++idlecnt [ABSPRI (w)]; |
4613 | |
4658 | |
4614 | ++idleall; |
4659 | ++idleall; |
4615 | ev_start (EV_A_ (W)w, active); |
4660 | ev_start (EV_A_ (W)w, active); |
4616 | |
4661 | |
4617 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4662 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4618 | idles [ABSPRI (w)][active - 1] = w; |
4663 | idles [ABSPRI (w)][active - 1] = w; |
4619 | } |
4664 | } |
4620 | |
4665 | |
4621 | EV_FREQUENT_CHECK; |
4666 | EV_FREQUENT_CHECK; |
4622 | } |
4667 | } |
… | |
… | |
4652 | return; |
4697 | return; |
4653 | |
4698 | |
4654 | EV_FREQUENT_CHECK; |
4699 | EV_FREQUENT_CHECK; |
4655 | |
4700 | |
4656 | ev_start (EV_A_ (W)w, ++preparecnt); |
4701 | ev_start (EV_A_ (W)w, ++preparecnt); |
4657 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4702 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4658 | prepares [preparecnt - 1] = w; |
4703 | prepares [preparecnt - 1] = w; |
4659 | |
4704 | |
4660 | EV_FREQUENT_CHECK; |
4705 | EV_FREQUENT_CHECK; |
4661 | } |
4706 | } |
4662 | |
4707 | |
… | |
… | |
4690 | return; |
4735 | return; |
4691 | |
4736 | |
4692 | EV_FREQUENT_CHECK; |
4737 | EV_FREQUENT_CHECK; |
4693 | |
4738 | |
4694 | ev_start (EV_A_ (W)w, ++checkcnt); |
4739 | ev_start (EV_A_ (W)w, ++checkcnt); |
4695 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4740 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4696 | checks [checkcnt - 1] = w; |
4741 | checks [checkcnt - 1] = w; |
4697 | |
4742 | |
4698 | EV_FREQUENT_CHECK; |
4743 | EV_FREQUENT_CHECK; |
4699 | } |
4744 | } |
4700 | |
4745 | |
… | |
… | |
4838 | return; |
4883 | return; |
4839 | |
4884 | |
4840 | EV_FREQUENT_CHECK; |
4885 | EV_FREQUENT_CHECK; |
4841 | |
4886 | |
4842 | ev_start (EV_A_ (W)w, ++forkcnt); |
4887 | ev_start (EV_A_ (W)w, ++forkcnt); |
4843 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
4888 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4844 | forks [forkcnt - 1] = w; |
4889 | forks [forkcnt - 1] = w; |
4845 | |
4890 | |
4846 | EV_FREQUENT_CHECK; |
4891 | EV_FREQUENT_CHECK; |
4847 | } |
4892 | } |
4848 | |
4893 | |
… | |
… | |
4876 | return; |
4921 | return; |
4877 | |
4922 | |
4878 | EV_FREQUENT_CHECK; |
4923 | EV_FREQUENT_CHECK; |
4879 | |
4924 | |
4880 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4925 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4881 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
4926 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4882 | cleanups [cleanupcnt - 1] = w; |
4927 | cleanups [cleanupcnt - 1] = w; |
4883 | |
4928 | |
4884 | /* cleanup watchers should never keep a refcount on the loop */ |
4929 | /* cleanup watchers should never keep a refcount on the loop */ |
4885 | ev_unref (EV_A); |
4930 | ev_unref (EV_A); |
4886 | EV_FREQUENT_CHECK; |
4931 | EV_FREQUENT_CHECK; |
… | |
… | |
4921 | evpipe_init (EV_A); |
4966 | evpipe_init (EV_A); |
4922 | |
4967 | |
4923 | EV_FREQUENT_CHECK; |
4968 | EV_FREQUENT_CHECK; |
4924 | |
4969 | |
4925 | ev_start (EV_A_ (W)w, ++asynccnt); |
4970 | ev_start (EV_A_ (W)w, ++asynccnt); |
4926 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
4971 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4927 | asyncs [asynccnt - 1] = w; |
4972 | asyncs [asynccnt - 1] = w; |
4928 | |
4973 | |
4929 | EV_FREQUENT_CHECK; |
4974 | EV_FREQUENT_CHECK; |
4930 | } |
4975 | } |
4931 | |
4976 | |
… | |
… | |
4999 | |
5044 | |
5000 | void |
5045 | void |
5001 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
5046 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
5002 | { |
5047 | { |
5003 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5048 | 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 | |
5049 | |
5011 | once->cb = cb; |
5050 | once->cb = cb; |
5012 | once->arg = arg; |
5051 | once->arg = arg; |
5013 | |
5052 | |
5014 | ev_init (&once->io, once_cb_io); |
5053 | ev_init (&once->io, once_cb_io); |