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Comparing libev/ev.c (file contents):
Revision 1.483 by root, Tue Jul 31 04:45:58 2018 UTC vs.
Revision 1.490 by root, Thu Jun 20 22:44:59 2019 UTC

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 *
… …
315 315
316#ifndef EV_USE_PORT 316#ifndef EV_USE_PORT
317# define EV_USE_PORT 0 317# define EV_USE_PORT 0
318#endif 318#endif
319 319
320#ifndef EV_USE_LINUXAIO
321# define EV_USE_LINUXAIO 0
322#endif
323
320#ifndef EV_USE_INOTIFY 324#ifndef EV_USE_INOTIFY
321# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 325# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
322# define EV_USE_INOTIFY EV_FEATURE_OS 326# define EV_USE_INOTIFY EV_FEATURE_OS
323# else 327# else
324# define EV_USE_INOTIFY 0 328# define EV_USE_INOTIFY 0
… …
379/* aix's poll.h seems to cause lots of trouble */ 383/* aix's poll.h seems to cause lots of trouble */
380#ifdef _AIX 384#ifdef _AIX
381/* AIX has a completely broken poll.h header */ 385/* AIX has a completely broken poll.h header */
382# undef EV_USE_POLL 386# undef EV_USE_POLL
383# define EV_USE_POLL 0 387# define EV_USE_POLL 0
388#endif
389
390#if EV_USE_LINUXAIO
391# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
384#endif 392#endif
385 393
386/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 394/* 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. */ 395/* which makes programs even slower. might work on other unices, too. */
388#if EV_USE_CLOCK_SYSCALL 396#if EV_USE_CLOCK_SYSCALL
… …
609 #define ECB_CLANG_EXTENSION(x) 0 617 #define ECB_CLANG_EXTENSION(x) 0
610#endif 618#endif
611 619
612#define ECB_CPP (__cplusplus+0) 620#define ECB_CPP (__cplusplus+0)
613#define ECB_CPP11 (__cplusplus >= 201103L) 621#define ECB_CPP11 (__cplusplus >= 201103L)
622#define ECB_CPP14 (__cplusplus >= 201402L)
623#define ECB_CPP17 (__cplusplus >= 201703L)
614 624
615#if ECB_CPP 625#if ECB_CPP
616 #define ECB_C 0 626 #define ECB_C 0
617 #define ECB_STDC_VERSION 0 627 #define ECB_STDC_VERSION 0
618#else 628#else
… …
620 #define ECB_STDC_VERSION __STDC_VERSION__ 630 #define ECB_STDC_VERSION __STDC_VERSION__
621#endif 631#endif
622 632
623#define ECB_C99 (ECB_STDC_VERSION >= 199901L) 633#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
624#define ECB_C11 (ECB_STDC_VERSION >= 201112L) 634#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
635#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
625 636
626#if ECB_CPP 637#if ECB_CPP
627 #define ECB_EXTERN_C extern "C" 638 #define ECB_EXTERN_C extern "C"
628 #define ECB_EXTERN_C_BEG ECB_EXTERN_C { 639 #define ECB_EXTERN_C_BEG ECB_EXTERN_C {
629 #define ECB_EXTERN_C_END } 640 #define ECB_EXTERN_C_END }
… …
658#ifndef ECB_MEMORY_FENCE 669#ifndef ECB_MEMORY_FENCE
659 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 670 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
660 #if __i386 || __i386__ 671 #if __i386 || __i386__
661 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 672 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
662 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 673 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
663 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 674 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
664 #elif ECB_GCC_AMD64 675 #elif ECB_GCC_AMD64
665 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 676 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
666 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 677 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
667 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 678 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
668 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 679 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
669 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 680 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
670 #elif defined __ARM_ARCH_2__ \ 681 #elif defined __ARM_ARCH_2__ \
671 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ 682 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
672 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ 683 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
… …
1540# define ABSPRI(w) (((W)w), 0) 1551# define ABSPRI(w) (((W)w), 0)
1541#else 1552#else
1542# define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 1553# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1543#endif 1554#endif
1544 1555
1545#define EMPTY /* required for microsofts broken pseudo-c compiler */ 1556#define EMPTY /* required for microsofts broken pseudo-c compiler */
1546#define EMPTY2(a,b) /* used to suppress some warnings */
1547 1557
1548typedef ev_watcher *W; 1558typedef ev_watcher *W;
1549typedef ev_watcher_list *WL; 1559typedef ev_watcher_list *WL;
1550typedef ev_watcher_time *WT; 1560typedef ev_watcher_time *WT;
1551 1561
… …
1677{ 1687{
1678 write (STDERR_FILENO, msg, strlen (msg)); 1688 write (STDERR_FILENO, msg, strlen (msg));
1679} 1689}
1680#endif 1690#endif
1681 1691
1682static void (*syserr_cb)(const char *msg) EV_THROW; 1692static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1683 1693
1684ecb_cold 1694ecb_cold
1685void 1695void
1686ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW 1696ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1687{ 1697{
1688 syserr_cb = cb; 1698 syserr_cb = cb;
1689} 1699}
1690 1700
1691noinline ecb_cold 1701noinline ecb_cold
… …
1710 abort (); 1720 abort ();
1711 } 1721 }
1712} 1722}
1713 1723
1714static void * 1724static void *
1715ev_realloc_emul (void *ptr, long size) EV_THROW 1725ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1716{ 1726{
1717 /* some systems, notably openbsd and darwin, fail to properly 1727 /* some systems, notably openbsd and darwin, fail to properly
1718 * implement realloc (x, 0) (as required by both ansi c-89 and 1728 * implement realloc (x, 0) (as required by both ansi c-89 and
1719 * the single unix specification, so work around them here. 1729 * the single unix specification, so work around them here.
1720 * recently, also (at least) fedora and debian started breaking it, 1730 * recently, also (at least) fedora and debian started breaking it,
… …
1726 1736
1727 free (ptr); 1737 free (ptr);
1728 return 0; 1738 return 0;
1729} 1739}
1730 1740
1731static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; 1741static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1732 1742
1733ecb_cold 1743ecb_cold
1734void 1744void
1735ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW 1745ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1736{ 1746{
1737 alloc = cb; 1747 alloc = cb;
1738} 1748}
1739 1749
1740inline_speed void * 1750inline_speed void *
… …
1767typedef struct 1777typedef struct
1768{ 1778{
1769 WL head; 1779 WL head;
1770 unsigned char events; /* the events watched for */ 1780 unsigned char events; /* the events watched for */
1771 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ 1781 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 */ 1782 unsigned char emask; /* some backends store the actual kernel mask in here */
1773 unsigned char unused; 1783 unsigned char unused;
1774#if EV_USE_EPOLL 1784#if EV_USE_EPOLL
1775 unsigned int egen; /* generation counter to counter epoll bugs */ 1785 unsigned int egen; /* generation counter to counter epoll bugs */
1776#endif 1786#endif
1777#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 1787#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
… …
1857 1867
1858/*****************************************************************************/ 1868/*****************************************************************************/
1859 1869
1860#ifndef EV_HAVE_EV_TIME 1870#ifndef EV_HAVE_EV_TIME
1861ev_tstamp 1871ev_tstamp
1862ev_time (void) EV_THROW 1872ev_time (void) EV_NOEXCEPT
1863{ 1873{
1864#if EV_USE_REALTIME 1874#if EV_USE_REALTIME
1865 if (expect_true (have_realtime)) 1875 if (expect_true (have_realtime))
1866 { 1876 {
1867 struct timespec ts; 1877 struct timespec ts;
… …
1891 return ev_time (); 1901 return ev_time ();
1892} 1902}
1893 1903
1894#if EV_MULTIPLICITY 1904#if EV_MULTIPLICITY
1895ev_tstamp 1905ev_tstamp
1896ev_now (EV_P) EV_THROW 1906ev_now (EV_P) EV_NOEXCEPT
1897{ 1907{
1898 return ev_rt_now; 1908 return ev_rt_now;
1899} 1909}
1900#endif 1910#endif
1901 1911
1902void 1912void
1903ev_sleep (ev_tstamp delay) EV_THROW 1913ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1904{ 1914{
1905 if (delay > 0.) 1915 if (delay > 0.)
1906 { 1916 {
1907#if EV_USE_NANOSLEEP 1917#if EV_USE_NANOSLEEP
1908 struct timespec ts; 1918 struct timespec ts;
… …
1958{ 1968{
1959 *cur = array_nextsize (elem, *cur, cnt); 1969 *cur = array_nextsize (elem, *cur, cnt);
1960 return ev_realloc (base, elem * *cur); 1970 return ev_realloc (base, elem * *cur);
1961} 1971}
1962 1972
1973#define array_needsize_noinit(base,count)
1974
1963#define array_init_zero(base,count) \ 1975#define array_needsize_zerofill(base,count) \
1964 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1976 memset ((void *)(base), 0, sizeof (*(base)) * (count))
1965 1977
1966#define array_needsize(type,base,cur,cnt,init) \ 1978#define array_needsize(type,base,cur,cnt,init) \
1967 if (expect_false ((cnt) > (cur))) \ 1979 if (expect_false ((cnt) > (cur))) \
1968 { \ 1980 { \
… …
1994{ 2006{
1995} 2007}
1996 2008
1997noinline 2009noinline
1998void 2010void
1999ev_feed_event (EV_P_ void *w, int revents) EV_THROW 2011ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
2000{ 2012{
2001 W w_ = (W)w; 2013 W w_ = (W)w;
2002 int pri = ABSPRI (w_); 2014 int pri = ABSPRI (w_);
2003 2015
2004 if (expect_false (w_->pending)) 2016 if (expect_false (w_->pending))
2005 pendings [pri][w_->pending - 1].events |= revents; 2017 pendings [pri][w_->pending - 1].events |= revents;
2006 else 2018 else
2007 { 2019 {
2008 w_->pending = ++pendingcnt [pri]; 2020 w_->pending = ++pendingcnt [pri];
2009 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 2021 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
2010 pendings [pri][w_->pending - 1].w = w_; 2022 pendings [pri][w_->pending - 1].w = w_;
2011 pendings [pri][w_->pending - 1].events = revents; 2023 pendings [pri][w_->pending - 1].events = revents;
2012 } 2024 }
2013 2025
2014 pendingpri = NUMPRI - 1; 2026 pendingpri = NUMPRI - 1;
2015} 2027}
2016 2028
2017inline_speed void 2029inline_speed void
2018feed_reverse (EV_P_ W w) 2030feed_reverse (EV_P_ W w)
2019{ 2031{
2020 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); 2032 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
2021 rfeeds [rfeedcnt++] = w; 2033 rfeeds [rfeedcnt++] = w;
2022} 2034}
2023 2035
2024inline_size void 2036inline_size void
2025feed_reverse_done (EV_P_ int revents) 2037feed_reverse_done (EV_P_ int revents)
… …
2065 if (expect_true (!anfd->reify)) 2077 if (expect_true (!anfd->reify))
2066 fd_event_nocheck (EV_A_ fd, revents); 2078 fd_event_nocheck (EV_A_ fd, revents);
2067} 2079}
2068 2080
2069void 2081void
2070ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW 2082ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
2071{ 2083{
2072 if (fd >= 0 && fd < anfdmax) 2084 if (fd >= 0 && fd < anfdmax)
2073 fd_event_nocheck (EV_A_ fd, revents); 2085 fd_event_nocheck (EV_A_ fd, revents);
2074} 2086}
2075 2087
… …
2143 anfds [fd].reify |= flags; 2155 anfds [fd].reify |= flags;
2144 2156
2145 if (expect_true (!reify)) 2157 if (expect_true (!reify))
2146 { 2158 {
2147 ++fdchangecnt; 2159 ++fdchangecnt;
2148 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 2160 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2149 fdchanges [fdchangecnt - 1] = fd; 2161 fdchanges [fdchangecnt - 1] = fd;
2150 } 2162 }
2151} 2163}
2152 2164
2153/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 2165/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
… …
2475#endif 2487#endif
2476 { 2488 {
2477#ifdef _WIN32 2489#ifdef _WIN32
2478 WSABUF buf; 2490 WSABUF buf;
2479 DWORD sent; 2491 DWORD sent;
2480 buf.buf = &buf; 2492 buf.buf = (char *)&buf;
2481 buf.len = 1; 2493 buf.len = 1;
2482 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); 2494 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2483#else 2495#else
2484 write (evpipe [1], &(evpipe [1]), 1); 2496 write (evpipe [1], &(evpipe [1]), 1);
2485#endif 2497#endif
… …
2557} 2569}
2558 2570
2559/*****************************************************************************/ 2571/*****************************************************************************/
2560 2572
2561void 2573void
2562ev_feed_signal (int signum) EV_THROW 2574ev_feed_signal (int signum) EV_NOEXCEPT
2563{ 2575{
2564#if EV_MULTIPLICITY 2576#if EV_MULTIPLICITY
2565 EV_P; 2577 EV_P;
2566 ECB_MEMORY_FENCE_ACQUIRE; 2578 ECB_MEMORY_FENCE_ACQUIRE;
2567 EV_A = signals [signum - 1].loop; 2579 EV_A = signals [signum - 1].loop;
… …
2584 ev_feed_signal (signum); 2596 ev_feed_signal (signum);
2585} 2597}
2586 2598
2587noinline 2599noinline
2588void 2600void
2589ev_feed_signal_event (EV_P_ int signum) EV_THROW 2601ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2590{ 2602{
2591 WL w; 2603 WL w;
2592 2604
2593 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2605 if (expect_false (signum <= 0 || signum >= EV_NSIG))
2594 return; 2606 return;
… …
2700# include "ev_port.c" 2712# include "ev_port.c"
2701#endif 2713#endif
2702#if EV_USE_KQUEUE 2714#if EV_USE_KQUEUE
2703# include "ev_kqueue.c" 2715# include "ev_kqueue.c"
2704#endif 2716#endif
2717#if EV_USE_LINUXAIO
2718# include "ev_linuxaio.c"
2719#endif
2705#if EV_USE_EPOLL 2720#if EV_USE_EPOLL
2706# include "ev_epoll.c" 2721# include "ev_epoll.c"
2707#endif 2722#endif
2708#if EV_USE_POLL 2723#if EV_USE_POLL
2709# include "ev_poll.c" 2724# include "ev_poll.c"
… …
2711#if EV_USE_SELECT 2726#if EV_USE_SELECT
2712# include "ev_select.c" 2727# include "ev_select.c"
2713#endif 2728#endif
2714 2729
2715ecb_cold int 2730ecb_cold int
2716ev_version_major (void) EV_THROW 2731ev_version_major (void) EV_NOEXCEPT
2717{ 2732{
2718 return EV_VERSION_MAJOR; 2733 return EV_VERSION_MAJOR;
2719} 2734}
2720 2735
2721ecb_cold int 2736ecb_cold int
2722ev_version_minor (void) EV_THROW 2737ev_version_minor (void) EV_NOEXCEPT
2723{ 2738{
2724 return EV_VERSION_MINOR; 2739 return EV_VERSION_MINOR;
2725} 2740}
2726 2741
2727/* return true if we are running with elevated privileges and should ignore env variables */ 2742/* return true if we are running with elevated privileges and should ignore env variables */
… …
2736#endif 2751#endif
2737} 2752}
2738 2753
2739ecb_cold 2754ecb_cold
2740unsigned int 2755unsigned int
2741ev_supported_backends (void) EV_THROW 2756ev_supported_backends (void) EV_NOEXCEPT
2742{ 2757{
2743 unsigned int flags = 0; 2758 unsigned int flags = 0;
2744 2759
2745 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2760 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2746 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2761 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2747 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2762 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2763 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2748 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2764 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2749 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2765 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2750 2766
2751 return flags; 2767 return flags;
2752} 2768}
2753 2769
2754ecb_cold 2770ecb_cold
2755unsigned int 2771unsigned int
2756ev_recommended_backends (void) EV_THROW 2772ev_recommended_backends (void) EV_NOEXCEPT
2757{ 2773{
2758 unsigned int flags = ev_supported_backends (); 2774 unsigned int flags = ev_supported_backends ();
2759 2775
2760#ifndef __NetBSD__ 2776#ifndef __NetBSD__
2761 /* kqueue is borked on everything but netbsd apparently */ 2777 /* kqueue is borked on everything but netbsd apparently */
… …
2774 return flags; 2790 return flags;
2775} 2791}
2776 2792
2777ecb_cold 2793ecb_cold
2778unsigned int 2794unsigned int
2779ev_embeddable_backends (void) EV_THROW 2795ev_embeddable_backends (void) EV_NOEXCEPT
2780{ 2796{
2781 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2797 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2782 2798
2783 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2799 /* 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 */ 2800 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2786 2802
2787 return flags; 2803 return flags;
2788} 2804}
2789 2805
2790unsigned int 2806unsigned int
2791ev_backend (EV_P) EV_THROW 2807ev_backend (EV_P) EV_NOEXCEPT
2792{ 2808{
2793 return backend; 2809 return backend;
2794} 2810}
2795 2811
2796#if EV_FEATURE_API 2812#if EV_FEATURE_API
2797unsigned int 2813unsigned int
2798ev_iteration (EV_P) EV_THROW 2814ev_iteration (EV_P) EV_NOEXCEPT
2799{ 2815{
2800 return loop_count; 2816 return loop_count;
2801} 2817}
2802 2818
2803unsigned int 2819unsigned int
2804ev_depth (EV_P) EV_THROW 2820ev_depth (EV_P) EV_NOEXCEPT
2805{ 2821{
2806 return loop_depth; 2822 return loop_depth;
2807} 2823}
2808 2824
2809void 2825void
2810ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2826ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2811{ 2827{
2812 io_blocktime = interval; 2828 io_blocktime = interval;
2813} 2829}
2814 2830
2815void 2831void
2816ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2832ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2817{ 2833{
2818 timeout_blocktime = interval; 2834 timeout_blocktime = interval;
2819} 2835}
2820 2836
2821void 2837void
2822ev_set_userdata (EV_P_ void *data) EV_THROW 2838ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2823{ 2839{
2824 userdata = data; 2840 userdata = data;
2825} 2841}
2826 2842
2827void * 2843void *
2828ev_userdata (EV_P) EV_THROW 2844ev_userdata (EV_P) EV_NOEXCEPT
2829{ 2845{
2830 return userdata; 2846 return userdata;
2831} 2847}
2832 2848
2833void 2849void
2834ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW 2850ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2835{ 2851{
2836 invoke_cb = invoke_pending_cb; 2852 invoke_cb = invoke_pending_cb;
2837} 2853}
2838 2854
2839void 2855void
2840ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW 2856ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2841{ 2857{
2842 release_cb = release; 2858 release_cb = release;
2843 acquire_cb = acquire; 2859 acquire_cb = acquire;
2844} 2860}
2845#endif 2861#endif
2846 2862
2847/* initialise a loop structure, must be zero-initialised */ 2863/* initialise a loop structure, must be zero-initialised */
2848noinline ecb_cold 2864noinline ecb_cold
2849static void 2865static void
2850loop_init (EV_P_ unsigned int flags) EV_THROW 2866loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2851{ 2867{
2852 if (!backend) 2868 if (!backend)
2853 { 2869 {
2854 origflags = flags; 2870 origflags = flags;
2855 2871
… …
2913 2929
2914 if (!(flags & EVBACKEND_MASK)) 2930 if (!(flags & EVBACKEND_MASK))
2915 flags |= ev_recommended_backends (); 2931 flags |= ev_recommended_backends ();
2916 2932
2917#if EV_USE_IOCP 2933#if EV_USE_IOCP
2918 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 2934 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2919#endif 2935#endif
2920#if EV_USE_PORT 2936#if EV_USE_PORT
2921 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 2937 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2922#endif 2938#endif
2923#if EV_USE_KQUEUE 2939#if EV_USE_KQUEUE
2924 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 2940 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2941#endif
2942#if EV_USE_LINUXAIO
2943 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2925#endif 2944#endif
2926#if EV_USE_EPOLL 2945#if EV_USE_EPOLL
2927 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 2946 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2928#endif 2947#endif
2929#if EV_USE_POLL 2948#if EV_USE_POLL
2930 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); 2949 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2931#endif 2950#endif
2932#if EV_USE_SELECT 2951#if EV_USE_SELECT
2933 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 2952 if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2934#endif 2953#endif
2935 2954
2936 ev_prepare_init (&pending_w, pendingcb); 2955 ev_prepare_init (&pending_w, pendingcb);
2937 2956
2938#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2957#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
… …
2993 3012
2994 if (backend_fd >= 0) 3013 if (backend_fd >= 0)
2995 close (backend_fd); 3014 close (backend_fd);
2996 3015
2997#if EV_USE_IOCP 3016#if EV_USE_IOCP
2998 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); 3017 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2999#endif 3018#endif
3000#if EV_USE_PORT 3019#if EV_USE_PORT
3001 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3020 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3002#endif 3021#endif
3003#if EV_USE_KQUEUE 3022#if EV_USE_KQUEUE
3004 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 3023 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3024#endif
3025#if EV_USE_LINUXAIO
3026 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3005#endif 3027#endif
3006#if EV_USE_EPOLL 3028#if EV_USE_EPOLL
3007 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); 3029 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
3008#endif 3030#endif
3009#if EV_USE_POLL 3031#if EV_USE_POLL
3010 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); 3032 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
3011#endif 3033#endif
3012#if EV_USE_SELECT 3034#if EV_USE_SELECT
3013 if (backend == EVBACKEND_SELECT) select_destroy (EV_A); 3035 if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
3014#endif 3036#endif
3015 3037
3016 for (i = NUMPRI; i--; ) 3038 for (i = NUMPRI; i--; )
3017 { 3039 {
3018 array_free (pending, [i]); 3040 array_free (pending, [i]);
… …
3060 3082
3061inline_size void 3083inline_size void
3062loop_fork (EV_P) 3084loop_fork (EV_P)
3063{ 3085{
3064#if EV_USE_PORT 3086#if EV_USE_PORT
3065 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3087 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3066#endif 3088#endif
3067#if EV_USE_KQUEUE 3089#if EV_USE_KQUEUE
3068 if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); 3090 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3091#endif
3092#if EV_USE_LINUXAIO
3093 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3069#endif 3094#endif
3070#if EV_USE_EPOLL 3095#if EV_USE_EPOLL
3071 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3096 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
3072#endif 3097#endif
3073#if EV_USE_INOTIFY 3098#if EV_USE_INOTIFY
3074 infy_fork (EV_A); 3099 infy_fork (EV_A);
3075#endif 3100#endif
3076 3101
… …
3096 3121
3097#if EV_MULTIPLICITY 3122#if EV_MULTIPLICITY
3098 3123
3099ecb_cold 3124ecb_cold
3100struct ev_loop * 3125struct ev_loop *
3101ev_loop_new (unsigned int flags) EV_THROW 3126ev_loop_new (unsigned int flags) EV_NOEXCEPT
3102{ 3127{
3103 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3128 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
3104 3129
3105 memset (EV_A, 0, sizeof (struct ev_loop)); 3130 memset (EV_A, 0, sizeof (struct ev_loop));
3106 loop_init (EV_A_ flags); 3131 loop_init (EV_A_ flags);
… …
3153} 3178}
3154#endif 3179#endif
3155 3180
3156#if EV_FEATURE_API 3181#if EV_FEATURE_API
3157void ecb_cold 3182void ecb_cold
3158ev_verify (EV_P) EV_THROW 3183ev_verify (EV_P) EV_NOEXCEPT
3159{ 3184{
3160#if EV_VERIFY 3185#if EV_VERIFY
3161 int i; 3186 int i;
3162 WL w, w2; 3187 WL w, w2;
3163 3188
… …
3244ecb_cold 3269ecb_cold
3245struct ev_loop * 3270struct ev_loop *
3246#else 3271#else
3247int 3272int
3248#endif 3273#endif
3249ev_default_loop (unsigned int flags) EV_THROW 3274ev_default_loop (unsigned int flags) EV_NOEXCEPT
3250{ 3275{
3251 if (!ev_default_loop_ptr) 3276 if (!ev_default_loop_ptr)
3252 { 3277 {
3253#if EV_MULTIPLICITY 3278#if EV_MULTIPLICITY
3254 EV_P = ev_default_loop_ptr = &default_loop_struct; 3279 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
3273 3298
3274 return ev_default_loop_ptr; 3299 return ev_default_loop_ptr;
3275} 3300}
3276 3301
3277void 3302void
3278ev_loop_fork (EV_P) EV_THROW 3303ev_loop_fork (EV_P) EV_NOEXCEPT
3279{ 3304{
3280 postfork = 1; 3305 postfork = 1;
3281} 3306}
3282 3307
3283/*****************************************************************************/ 3308/*****************************************************************************/
… …
3287{ 3312{
3288 EV_CB_INVOKE ((W)w, revents); 3313 EV_CB_INVOKE ((W)w, revents);
3289} 3314}
3290 3315
3291unsigned int 3316unsigned int
3292ev_pending_count (EV_P) EV_THROW 3317ev_pending_count (EV_P) EV_NOEXCEPT
3293{ 3318{
3294 int pri; 3319 int pri;
3295 unsigned int count = 0; 3320 unsigned int count = 0;
3296 3321
3297 for (pri = NUMPRI; pri--; ) 3322 for (pri = NUMPRI; pri--; )
… …
3304void 3329void
3305ev_invoke_pending (EV_P) 3330ev_invoke_pending (EV_P)
3306{ 3331{
3307 pendingpri = NUMPRI; 3332 pendingpri = NUMPRI;
3308 3333
3309 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ 3334 do
3310 { 3335 {
3311 --pendingpri; 3336 --pendingpri;
3312 3337
3338 /* pendingpri possibly gets modified in the inner loop */
3313 while (pendingcnt [pendingpri]) 3339 while (pendingcnt [pendingpri])
3314 { 3340 {
3315 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; 3341 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3316 3342
3317 p->w->pending = 0; 3343 p->w->pending = 0;
3318 EV_CB_INVOKE (p->w, p->events); 3344 EV_CB_INVOKE (p->w, p->events);
3319 EV_FREQUENT_CHECK; 3345 EV_FREQUENT_CHECK;
3320 } 3346 }
3321 } 3347 }
3348 while (pendingpri);
3322} 3349}
3323 3350
3324#if EV_IDLE_ENABLE 3351#if EV_IDLE_ENABLE
3325/* make idle watchers pending. this handles the "call-idle */ 3352/* make idle watchers pending. this handles the "call-idle */
3326/* only when higher priorities are idle" logic */ 3353/* only when higher priorities are idle" logic */
… …
3735 3762
3736 return activecnt; 3763 return activecnt;
3737} 3764}
3738 3765
3739void 3766void
3740ev_break (EV_P_ int how) EV_THROW 3767ev_break (EV_P_ int how) EV_NOEXCEPT
3741{ 3768{
3742 loop_done = how; 3769 loop_done = how;
3743} 3770}
3744 3771
3745void 3772void
3746ev_ref (EV_P) EV_THROW 3773ev_ref (EV_P) EV_NOEXCEPT
3747{ 3774{
3748 ++activecnt; 3775 ++activecnt;
3749} 3776}
3750 3777
3751void 3778void
3752ev_unref (EV_P) EV_THROW 3779ev_unref (EV_P) EV_NOEXCEPT
3753{ 3780{
3754 --activecnt; 3781 --activecnt;
3755} 3782}
3756 3783
3757void 3784void
3758ev_now_update (EV_P) EV_THROW 3785ev_now_update (EV_P) EV_NOEXCEPT
3759{ 3786{
3760 time_update (EV_A_ 1e100); 3787 time_update (EV_A_ 1e100);
3761} 3788}
3762 3789
3763void 3790void
3764ev_suspend (EV_P) EV_THROW 3791ev_suspend (EV_P) EV_NOEXCEPT
3765{ 3792{
3766 ev_now_update (EV_A); 3793 ev_now_update (EV_A);
3767} 3794}
3768 3795
3769void 3796void
3770ev_resume (EV_P) EV_THROW 3797ev_resume (EV_P) EV_NOEXCEPT
3771{ 3798{
3772 ev_tstamp mn_prev = mn_now; 3799 ev_tstamp mn_prev = mn_now;
3773 3800
3774 ev_now_update (EV_A); 3801 ev_now_update (EV_A);
3775 timers_reschedule (EV_A_ mn_now - mn_prev); 3802 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3814 w->pending = 0; 3841 w->pending = 0;
3815 } 3842 }
3816} 3843}
3817 3844
3818int 3845int
3819ev_clear_pending (EV_P_ void *w) EV_THROW 3846ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3820{ 3847{
3821 W w_ = (W)w; 3848 W w_ = (W)w;
3822 int pending = w_->pending; 3849 int pending = w_->pending;
3823 3850
3824 if (expect_true (pending)) 3851 if (expect_true (pending))
… …
3858 3885
3859/*****************************************************************************/ 3886/*****************************************************************************/
3860 3887
3861noinline 3888noinline
3862void 3889void
3863ev_io_start (EV_P_ ev_io *w) EV_THROW 3890ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3864{ 3891{
3865 int fd = w->fd; 3892 int fd = w->fd;
3866 3893
3867 if (expect_false (ev_is_active (w))) 3894 if (expect_false (ev_is_active (w)))
3868 return; 3895 return;
… …
3871 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 3898 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3872 3899
3873 EV_FREQUENT_CHECK; 3900 EV_FREQUENT_CHECK;
3874 3901
3875 ev_start (EV_A_ (W)w, 1); 3902 ev_start (EV_A_ (W)w, 1);
3876 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3903 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3877 wlist_add (&anfds[fd].head, (WL)w); 3904 wlist_add (&anfds[fd].head, (WL)w);
3878 3905
3879 /* common bug, apparently */ 3906 /* common bug, apparently */
3880 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); 3907 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3881 3908
… …
3885 EV_FREQUENT_CHECK; 3912 EV_FREQUENT_CHECK;
3886} 3913}
3887 3914
3888noinline 3915noinline
3889void 3916void
3890ev_io_stop (EV_P_ ev_io *w) EV_THROW 3917ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3891{ 3918{
3892 clear_pending (EV_A_ (W)w); 3919 clear_pending (EV_A_ (W)w);
3893 if (expect_false (!ev_is_active (w))) 3920 if (expect_false (!ev_is_active (w)))
3894 return; 3921 return;
3895 3922
… …
3905 EV_FREQUENT_CHECK; 3932 EV_FREQUENT_CHECK;
3906} 3933}
3907 3934
3908noinline 3935noinline
3909void 3936void
3910ev_timer_start (EV_P_ ev_timer *w) EV_THROW 3937ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3911{ 3938{
3912 if (expect_false (ev_is_active (w))) 3939 if (expect_false (ev_is_active (w)))
3913 return; 3940 return;
3914 3941
3915 ev_at (w) += mn_now; 3942 ev_at (w) += mn_now;
… …
3918 3945
3919 EV_FREQUENT_CHECK; 3946 EV_FREQUENT_CHECK;
3920 3947
3921 ++timercnt; 3948 ++timercnt;
3922 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 3949 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3923 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); 3950 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3924 ANHE_w (timers [ev_active (w)]) = (WT)w; 3951 ANHE_w (timers [ev_active (w)]) = (WT)w;
3925 ANHE_at_cache (timers [ev_active (w)]); 3952 ANHE_at_cache (timers [ev_active (w)]);
3926 upheap (timers, ev_active (w)); 3953 upheap (timers, ev_active (w));
3927 3954
3928 EV_FREQUENT_CHECK; 3955 EV_FREQUENT_CHECK;
… …
3930 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3957 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3931} 3958}
3932 3959
3933noinline 3960noinline
3934void 3961void
3935ev_timer_stop (EV_P_ ev_timer *w) EV_THROW 3962ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3936{ 3963{
3937 clear_pending (EV_A_ (W)w); 3964 clear_pending (EV_A_ (W)w);
3938 if (expect_false (!ev_is_active (w))) 3965 if (expect_false (!ev_is_active (w)))
3939 return; 3966 return;
3940 3967
… …
3961 EV_FREQUENT_CHECK; 3988 EV_FREQUENT_CHECK;
3962} 3989}
3963 3990
3964noinline 3991noinline
3965void 3992void
3966ev_timer_again (EV_P_ ev_timer *w) EV_THROW 3993ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3967{ 3994{
3968 EV_FREQUENT_CHECK; 3995 EV_FREQUENT_CHECK;
3969 3996
3970 clear_pending (EV_A_ (W)w); 3997 clear_pending (EV_A_ (W)w);
3971 3998
… …
3988 4015
3989 EV_FREQUENT_CHECK; 4016 EV_FREQUENT_CHECK;
3990} 4017}
3991 4018
3992ev_tstamp 4019ev_tstamp
3993ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW 4020ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3994{ 4021{
3995 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4022 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3996} 4023}
3997 4024
3998#if EV_PERIODIC_ENABLE 4025#if EV_PERIODIC_ENABLE
3999noinline 4026noinline
4000void 4027void
4001ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW 4028ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4002{ 4029{
4003 if (expect_false (ev_is_active (w))) 4030 if (expect_false (ev_is_active (w)))
4004 return; 4031 return;
4005 4032
4006 if (w->reschedule_cb) 4033 if (w->reschedule_cb)
… …
4015 4042
4016 EV_FREQUENT_CHECK; 4043 EV_FREQUENT_CHECK;
4017 4044
4018 ++periodiccnt; 4045 ++periodiccnt;
4019 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); 4046 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
4020 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); 4047 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
4021 ANHE_w (periodics [ev_active (w)]) = (WT)w; 4048 ANHE_w (periodics [ev_active (w)]) = (WT)w;
4022 ANHE_at_cache (periodics [ev_active (w)]); 4049 ANHE_at_cache (periodics [ev_active (w)]);
4023 upheap (periodics, ev_active (w)); 4050 upheap (periodics, ev_active (w));
4024 4051
4025 EV_FREQUENT_CHECK; 4052 EV_FREQUENT_CHECK;
… …
4027 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4054 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4028} 4055}
4029 4056
4030noinline 4057noinline
4031void 4058void
4032ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW 4059ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4033{ 4060{
4034 clear_pending (EV_A_ (W)w); 4061 clear_pending (EV_A_ (W)w);
4035 if (expect_false (!ev_is_active (w))) 4062 if (expect_false (!ev_is_active (w)))
4036 return; 4063 return;
4037 4064
… …
4056 EV_FREQUENT_CHECK; 4083 EV_FREQUENT_CHECK;
4057} 4084}
4058 4085
4059noinline 4086noinline
4060void 4087void
4061ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW 4088ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4062{ 4089{
4063 /* TODO: use adjustheap and recalculation */ 4090 /* TODO: use adjustheap and recalculation */
4064 ev_periodic_stop (EV_A_ w); 4091 ev_periodic_stop (EV_A_ w);
4065 ev_periodic_start (EV_A_ w); 4092 ev_periodic_start (EV_A_ w);
4066} 4093}
… …
4072 4099
4073#if EV_SIGNAL_ENABLE 4100#if EV_SIGNAL_ENABLE
4074 4101
4075noinline 4102noinline
4076void 4103void
4077ev_signal_start (EV_P_ ev_signal *w) EV_THROW 4104ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4078{ 4105{
4079 if (expect_false (ev_is_active (w))) 4106 if (expect_false (ev_is_active (w)))
4080 return; 4107 return;
4081 4108
4082 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4109 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
4155 EV_FREQUENT_CHECK; 4182 EV_FREQUENT_CHECK;
4156} 4183}
4157 4184
4158noinline 4185noinline
4159void 4186void
4160ev_signal_stop (EV_P_ ev_signal *w) EV_THROW 4187ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4161{ 4188{
4162 clear_pending (EV_A_ (W)w); 4189 clear_pending (EV_A_ (W)w);
4163 if (expect_false (!ev_is_active (w))) 4190 if (expect_false (!ev_is_active (w)))
4164 return; 4191 return;
4165 4192
… …
4196#endif 4223#endif
4197 4224
4198#if EV_CHILD_ENABLE 4225#if EV_CHILD_ENABLE
4199 4226
4200void 4227void
4201ev_child_start (EV_P_ ev_child *w) EV_THROW 4228ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4202{ 4229{
4203#if EV_MULTIPLICITY 4230#if EV_MULTIPLICITY
4204 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4231 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4205#endif 4232#endif
4206 if (expect_false (ev_is_active (w))) 4233 if (expect_false (ev_is_active (w)))
… …
4213 4240
4214 EV_FREQUENT_CHECK; 4241 EV_FREQUENT_CHECK;
4215} 4242}
4216 4243
4217void 4244void
4218ev_child_stop (EV_P_ ev_child *w) EV_THROW 4245ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4219{ 4246{
4220 clear_pending (EV_A_ (W)w); 4247 clear_pending (EV_A_ (W)w);
4221 if (expect_false (!ev_is_active (w))) 4248 if (expect_false (!ev_is_active (w)))
4222 return; 4249 return;
4223 4250
… …
4488#else 4515#else
4489# define EV_LSTAT(p,b) lstat (p, b) 4516# define EV_LSTAT(p,b) lstat (p, b)
4490#endif 4517#endif
4491 4518
4492void 4519void
4493ev_stat_stat (EV_P_ ev_stat *w) EV_THROW 4520ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4494{ 4521{
4495 if (lstat (w->path, &w->attr) < 0) 4522 if (lstat (w->path, &w->attr) < 0)
4496 w->attr.st_nlink = 0; 4523 w->attr.st_nlink = 0;
4497 else if (!w->attr.st_nlink) 4524 else if (!w->attr.st_nlink)
4498 w->attr.st_nlink = 1; 4525 w->attr.st_nlink = 1;
… …
4538 ev_feed_event (EV_A_ w, EV_STAT); 4565 ev_feed_event (EV_A_ w, EV_STAT);
4539 } 4566 }
4540} 4567}
4541 4568
4542void 4569void
4543ev_stat_start (EV_P_ ev_stat *w) EV_THROW 4570ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4544{ 4571{
4545 if (expect_false (ev_is_active (w))) 4572 if (expect_false (ev_is_active (w)))
4546 return; 4573 return;
4547 4574
4548 ev_stat_stat (EV_A_ w); 4575 ev_stat_stat (EV_A_ w);
… …
4569 4596
4570 EV_FREQUENT_CHECK; 4597 EV_FREQUENT_CHECK;
4571} 4598}
4572 4599
4573void 4600void
4574ev_stat_stop (EV_P_ ev_stat *w) EV_THROW 4601ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4575{ 4602{
4576 clear_pending (EV_A_ (W)w); 4603 clear_pending (EV_A_ (W)w);
4577 if (expect_false (!ev_is_active (w))) 4604 if (expect_false (!ev_is_active (w)))
4578 return; 4605 return;
4579 4606
… …
4595} 4622}
4596#endif 4623#endif
4597 4624
4598#if EV_IDLE_ENABLE 4625#if EV_IDLE_ENABLE
4599void 4626void
4600ev_idle_start (EV_P_ ev_idle *w) EV_THROW 4627ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4601{ 4628{
4602 if (expect_false (ev_is_active (w))) 4629 if (expect_false (ev_is_active (w)))
4603 return; 4630 return;
4604 4631
4605 pri_adjust (EV_A_ (W)w); 4632 pri_adjust (EV_A_ (W)w);
… …
4610 int active = ++idlecnt [ABSPRI (w)]; 4637 int active = ++idlecnt [ABSPRI (w)];
4611 4638
4612 ++idleall; 4639 ++idleall;
4613 ev_start (EV_A_ (W)w, active); 4640 ev_start (EV_A_ (W)w, active);
4614 4641
4615 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 4642 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4616 idles [ABSPRI (w)][active - 1] = w; 4643 idles [ABSPRI (w)][active - 1] = w;
4617 } 4644 }
4618 4645
4619 EV_FREQUENT_CHECK; 4646 EV_FREQUENT_CHECK;
4620} 4647}
4621 4648
4622void 4649void
4623ev_idle_stop (EV_P_ ev_idle *w) EV_THROW 4650ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4624{ 4651{
4625 clear_pending (EV_A_ (W)w); 4652 clear_pending (EV_A_ (W)w);
4626 if (expect_false (!ev_is_active (w))) 4653 if (expect_false (!ev_is_active (w)))
4627 return; 4654 return;
4628 4655
… …
4642} 4669}
4643#endif 4670#endif
4644 4671
4645#if EV_PREPARE_ENABLE 4672#if EV_PREPARE_ENABLE
4646void 4673void
4647ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW 4674ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4648{ 4675{
4649 if (expect_false (ev_is_active (w))) 4676 if (expect_false (ev_is_active (w)))
4650 return; 4677 return;
4651 4678
4652 EV_FREQUENT_CHECK; 4679 EV_FREQUENT_CHECK;
4653 4680
4654 ev_start (EV_A_ (W)w, ++preparecnt); 4681 ev_start (EV_A_ (W)w, ++preparecnt);
4655 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 4682 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4656 prepares [preparecnt - 1] = w; 4683 prepares [preparecnt - 1] = w;
4657 4684
4658 EV_FREQUENT_CHECK; 4685 EV_FREQUENT_CHECK;
4659} 4686}
4660 4687
4661void 4688void
4662ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW 4689ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4663{ 4690{
4664 clear_pending (EV_A_ (W)w); 4691 clear_pending (EV_A_ (W)w);
4665 if (expect_false (!ev_is_active (w))) 4692 if (expect_false (!ev_is_active (w)))
4666 return; 4693 return;
4667 4694
… …
4680} 4707}
4681#endif 4708#endif
4682 4709
4683#if EV_CHECK_ENABLE 4710#if EV_CHECK_ENABLE
4684void 4711void
4685ev_check_start (EV_P_ ev_check *w) EV_THROW 4712ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4686{ 4713{
4687 if (expect_false (ev_is_active (w))) 4714 if (expect_false (ev_is_active (w)))
4688 return; 4715 return;
4689 4716
4690 EV_FREQUENT_CHECK; 4717 EV_FREQUENT_CHECK;
4691 4718
4692 ev_start (EV_A_ (W)w, ++checkcnt); 4719 ev_start (EV_A_ (W)w, ++checkcnt);
4693 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 4720 array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4694 checks [checkcnt - 1] = w; 4721 checks [checkcnt - 1] = w;
4695 4722
4696 EV_FREQUENT_CHECK; 4723 EV_FREQUENT_CHECK;
4697} 4724}
4698 4725
4699void 4726void
4700ev_check_stop (EV_P_ ev_check *w) EV_THROW 4727ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4701{ 4728{
4702 clear_pending (EV_A_ (W)w); 4729 clear_pending (EV_A_ (W)w);
4703 if (expect_false (!ev_is_active (w))) 4730 if (expect_false (!ev_is_active (w)))
4704 return; 4731 return;
4705 4732
… …
4719#endif 4746#endif
4720 4747
4721#if EV_EMBED_ENABLE 4748#if EV_EMBED_ENABLE
4722noinline 4749noinline
4723void 4750void
4724ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW 4751ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4725{ 4752{
4726 ev_run (w->other, EVRUN_NOWAIT); 4753 ev_run (w->other, EVRUN_NOWAIT);
4727} 4754}
4728 4755
4729static void 4756static void
… …
4777 ev_idle_stop (EV_A_ idle); 4804 ev_idle_stop (EV_A_ idle);
4778} 4805}
4779#endif 4806#endif
4780 4807
4781void 4808void
4782ev_embed_start (EV_P_ ev_embed *w) EV_THROW 4809ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4783{ 4810{
4784 if (expect_false (ev_is_active (w))) 4811 if (expect_false (ev_is_active (w)))
4785 return; 4812 return;
4786 4813
4787 { 4814 {
… …
4808 4835
4809 EV_FREQUENT_CHECK; 4836 EV_FREQUENT_CHECK;
4810} 4837}
4811 4838
4812void 4839void
4813ev_embed_stop (EV_P_ ev_embed *w) EV_THROW 4840ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4814{ 4841{
4815 clear_pending (EV_A_ (W)w); 4842 clear_pending (EV_A_ (W)w);
4816 if (expect_false (!ev_is_active (w))) 4843 if (expect_false (!ev_is_active (w)))
4817 return; 4844 return;
4818 4845
… …
4828} 4855}
4829#endif 4856#endif
4830 4857
4831#if EV_FORK_ENABLE 4858#if EV_FORK_ENABLE
4832void 4859void
4833ev_fork_start (EV_P_ ev_fork *w) EV_THROW 4860ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4834{ 4861{
4835 if (expect_false (ev_is_active (w))) 4862 if (expect_false (ev_is_active (w)))
4836 return; 4863 return;
4837 4864
4838 EV_FREQUENT_CHECK; 4865 EV_FREQUENT_CHECK;
4839 4866
4840 ev_start (EV_A_ (W)w, ++forkcnt); 4867 ev_start (EV_A_ (W)w, ++forkcnt);
4841 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 4868 array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4842 forks [forkcnt - 1] = w; 4869 forks [forkcnt - 1] = w;
4843 4870
4844 EV_FREQUENT_CHECK; 4871 EV_FREQUENT_CHECK;
4845} 4872}
4846 4873
4847void 4874void
4848ev_fork_stop (EV_P_ ev_fork *w) EV_THROW 4875ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4849{ 4876{
4850 clear_pending (EV_A_ (W)w); 4877 clear_pending (EV_A_ (W)w);
4851 if (expect_false (!ev_is_active (w))) 4878 if (expect_false (!ev_is_active (w)))
4852 return; 4879 return;
4853 4880
… …
4866} 4893}
4867#endif 4894#endif
4868 4895
4869#if EV_CLEANUP_ENABLE 4896#if EV_CLEANUP_ENABLE
4870void 4897void
4871ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW 4898ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4872{ 4899{
4873 if (expect_false (ev_is_active (w))) 4900 if (expect_false (ev_is_active (w)))
4874 return; 4901 return;
4875 4902
4876 EV_FREQUENT_CHECK; 4903 EV_FREQUENT_CHECK;
4877 4904
4878 ev_start (EV_A_ (W)w, ++cleanupcnt); 4905 ev_start (EV_A_ (W)w, ++cleanupcnt);
4879 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); 4906 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4880 cleanups [cleanupcnt - 1] = w; 4907 cleanups [cleanupcnt - 1] = w;
4881 4908
4882 /* cleanup watchers should never keep a refcount on the loop */ 4909 /* cleanup watchers should never keep a refcount on the loop */
4883 ev_unref (EV_A); 4910 ev_unref (EV_A);
4884 EV_FREQUENT_CHECK; 4911 EV_FREQUENT_CHECK;
4885} 4912}
4886 4913
4887void 4914void
4888ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW 4915ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4889{ 4916{
4890 clear_pending (EV_A_ (W)w); 4917 clear_pending (EV_A_ (W)w);
4891 if (expect_false (!ev_is_active (w))) 4918 if (expect_false (!ev_is_active (w)))
4892 return; 4919 return;
4893 4920
… …
4907} 4934}
4908#endif 4935#endif
4909 4936
4910#if EV_ASYNC_ENABLE 4937#if EV_ASYNC_ENABLE
4911void 4938void
4912ev_async_start (EV_P_ ev_async *w) EV_THROW 4939ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4913{ 4940{
4914 if (expect_false (ev_is_active (w))) 4941 if (expect_false (ev_is_active (w)))
4915 return; 4942 return;
4916 4943
4917 w->sent = 0; 4944 w->sent = 0;
… …
4919 evpipe_init (EV_A); 4946 evpipe_init (EV_A);
4920 4947
4921 EV_FREQUENT_CHECK; 4948 EV_FREQUENT_CHECK;
4922 4949
4923 ev_start (EV_A_ (W)w, ++asynccnt); 4950 ev_start (EV_A_ (W)w, ++asynccnt);
4924 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 4951 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4925 asyncs [asynccnt - 1] = w; 4952 asyncs [asynccnt - 1] = w;
4926 4953
4927 EV_FREQUENT_CHECK; 4954 EV_FREQUENT_CHECK;
4928} 4955}
4929 4956
4930void 4957void
4931ev_async_stop (EV_P_ ev_async *w) EV_THROW 4958ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4932{ 4959{
4933 clear_pending (EV_A_ (W)w); 4960 clear_pending (EV_A_ (W)w);
4934 if (expect_false (!ev_is_active (w))) 4961 if (expect_false (!ev_is_active (w)))
4935 return; 4962 return;
4936 4963
… …
4947 4974
4948 EV_FREQUENT_CHECK; 4975 EV_FREQUENT_CHECK;
4949} 4976}
4950 4977
4951void 4978void
4952ev_async_send (EV_P_ ev_async *w) EV_THROW 4979ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4953{ 4980{
4954 w->sent = 1; 4981 w->sent = 1;
4955 evpipe_write (EV_A_ &async_pending); 4982 evpipe_write (EV_A_ &async_pending);
4956} 4983}
4957#endif 4984#endif
… …
4994 5021
4995 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 5022 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4996} 5023}
4997 5024
4998void 5025void
4999ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW 5026ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
5000{ 5027{
5001 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 5028 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
5002
5003 if (expect_false (!once))
5004 {
5005 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
5006 return;
5007 }
5008 5029
5009 once->cb = cb; 5030 once->cb = cb;
5010 once->arg = arg; 5031 once->arg = arg;
5011 5032
5012 ev_init (&once->io, once_cb_io); 5033 ev_init (&once->io, once_cb_io);
… …
5027/*****************************************************************************/ 5048/*****************************************************************************/
5028 5049
5029#if EV_WALK_ENABLE 5050#if EV_WALK_ENABLE
5030ecb_cold 5051ecb_cold
5031void 5052void
5032ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW 5053ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
5033{ 5054{
5034 int i, j; 5055 int i, j;
5035 ev_watcher_list *wl, *wn; 5056 ev_watcher_list *wl, *wn;
5036 5057
5037 if (types & (EV_IO | EV_EMBED)) 5058 if (types & (EV_IO | EV_EMBED))

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