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Comparing libev/ev.c (file contents):
Revision 1.485 by root, Mon Aug 13 10:01:19 2018 UTC vs.
Revision 1.492 by root, Sat Jun 22 16:25:53 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 *
… …
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# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
331# define EV_USE_LINUXAIO 1
332# else
333# define EV_USE_LINUXAIO 0
334# endif
335#endif
336
320#ifndef EV_USE_INOTIFY 337#ifndef EV_USE_INOTIFY
321# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 338# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
322# define EV_USE_INOTIFY EV_FEATURE_OS 339# define EV_USE_INOTIFY EV_FEATURE_OS
323# else 340# else
324# define EV_USE_INOTIFY 0 341# define EV_USE_INOTIFY 0
… …
379/* aix's poll.h seems to cause lots of trouble */ 396/* aix's poll.h seems to cause lots of trouble */
380#ifdef _AIX 397#ifdef _AIX
381/* AIX has a completely broken poll.h header */ 398/* AIX has a completely broken poll.h header */
382# undef EV_USE_POLL 399# undef EV_USE_POLL
383# define EV_USE_POLL 0 400# define EV_USE_POLL 0
401#endif
402
403#if EV_USE_LINUXAIO
404# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
384#endif 405#endif
385 406
386/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 407/* 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. */ 408/* which makes programs even slower. might work on other unices, too. */
388#if EV_USE_CLOCK_SYSCALL 409#if EV_USE_CLOCK_SYSCALL
… …
416 437
417#if !EV_USE_NANOSLEEP 438#if !EV_USE_NANOSLEEP
418/* hp-ux has it in sys/time.h, which we unconditionally include above */ 439/* hp-ux has it in sys/time.h, which we unconditionally include above */
419# if !defined _WIN32 && !defined __hpux 440# if !defined _WIN32 && !defined __hpux
420# include <sys/select.h> 441# include <sys/select.h>
442# endif
443#endif
444
445#if EV_USE_LINUXAIO
446# include <sys/syscall.h>
447# if !SYS_io_getevents
448# undef EV_USE_LINUXAIO
449# define EV_USE_LINUXAIO 0
421# endif 450# endif
422#endif 451#endif
423 452
424#if EV_USE_INOTIFY 453#if EV_USE_INOTIFY
425# include <sys/statfs.h> 454# include <sys/statfs.h>
… …
609 #define ECB_CLANG_EXTENSION(x) 0 638 #define ECB_CLANG_EXTENSION(x) 0
610#endif 639#endif
611 640
612#define ECB_CPP (__cplusplus+0) 641#define ECB_CPP (__cplusplus+0)
613#define ECB_CPP11 (__cplusplus >= 201103L) 642#define ECB_CPP11 (__cplusplus >= 201103L)
643#define ECB_CPP14 (__cplusplus >= 201402L)
644#define ECB_CPP17 (__cplusplus >= 201703L)
614 645
615#if ECB_CPP 646#if ECB_CPP
616 #define ECB_C 0 647 #define ECB_C 0
617 #define ECB_STDC_VERSION 0 648 #define ECB_STDC_VERSION 0
618#else 649#else
… …
620 #define ECB_STDC_VERSION __STDC_VERSION__ 651 #define ECB_STDC_VERSION __STDC_VERSION__
621#endif 652#endif
622 653
623#define ECB_C99 (ECB_STDC_VERSION >= 199901L) 654#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
624#define ECB_C11 (ECB_STDC_VERSION >= 201112L) 655#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
656#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
625 657
626#if ECB_CPP 658#if ECB_CPP
627 #define ECB_EXTERN_C extern "C" 659 #define ECB_EXTERN_C extern "C"
628 #define ECB_EXTERN_C_BEG ECB_EXTERN_C { 660 #define ECB_EXTERN_C_BEG ECB_EXTERN_C {
629 #define ECB_EXTERN_C_END } 661 #define ECB_EXTERN_C_END }
… …
658#ifndef ECB_MEMORY_FENCE 690#ifndef ECB_MEMORY_FENCE
659 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 691 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
660 #if __i386 || __i386__ 692 #if __i386 || __i386__
661 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 693 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
662 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 694 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
663 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 695 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
664 #elif ECB_GCC_AMD64 696 #elif ECB_GCC_AMD64
665 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 697 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
666 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 698 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
667 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 699 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
668 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 700 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
669 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 701 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
670 #elif defined __ARM_ARCH_2__ \ 702 #elif defined __ARM_ARCH_2__ \
671 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ 703 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
672 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ 704 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
… …
1540# define ABSPRI(w) (((W)w), 0) 1572# define ABSPRI(w) (((W)w), 0)
1541#else 1573#else
1542# define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 1574# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1543#endif 1575#endif
1544 1576
1545#define EMPTY /* required for microsofts broken pseudo-c compiler */ 1577#define EMPTY /* required for microsofts broken pseudo-c compiler */
1546#define EMPTY2(a,b) /* used to suppress some warnings */
1547 1578
1548typedef ev_watcher *W; 1579typedef ev_watcher *W;
1549typedef ev_watcher_list *WL; 1580typedef ev_watcher_list *WL;
1550typedef ev_watcher_time *WT; 1581typedef ev_watcher_time *WT;
1551 1582
… …
1677{ 1708{
1678 write (STDERR_FILENO, msg, strlen (msg)); 1709 write (STDERR_FILENO, msg, strlen (msg));
1679} 1710}
1680#endif 1711#endif
1681 1712
1682static void (*syserr_cb)(const char *msg) EV_THROW; 1713static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1683 1714
1684ecb_cold 1715ecb_cold
1685void 1716void
1686ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW 1717ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1687{ 1718{
1688 syserr_cb = cb; 1719 syserr_cb = cb;
1689} 1720}
1690 1721
1691noinline ecb_cold 1722noinline ecb_cold
… …
1710 abort (); 1741 abort ();
1711 } 1742 }
1712} 1743}
1713 1744
1714static void * 1745static void *
1715ev_realloc_emul (void *ptr, long size) EV_THROW 1746ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1716{ 1747{
1717 /* some systems, notably openbsd and darwin, fail to properly 1748 /* some systems, notably openbsd and darwin, fail to properly
1718 * implement realloc (x, 0) (as required by both ansi c-89 and 1749 * implement realloc (x, 0) (as required by both ansi c-89 and
1719 * the single unix specification, so work around them here. 1750 * the single unix specification, so work around them here.
1720 * recently, also (at least) fedora and debian started breaking it, 1751 * recently, also (at least) fedora and debian started breaking it,
… …
1726 1757
1727 free (ptr); 1758 free (ptr);
1728 return 0; 1759 return 0;
1729} 1760}
1730 1761
1731static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; 1762static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1732 1763
1733ecb_cold 1764ecb_cold
1734void 1765void
1735ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW 1766ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1736{ 1767{
1737 alloc = cb; 1768 alloc = cb;
1738} 1769}
1739 1770
1740inline_speed void * 1771inline_speed void *
… …
1767typedef struct 1798typedef struct
1768{ 1799{
1769 WL head; 1800 WL head;
1770 unsigned char events; /* the events watched for */ 1801 unsigned char events; /* the events watched for */
1771 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ 1802 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 */ 1803 unsigned char emask; /* some backends store the actual kernel mask in here */
1773 unsigned char unused; 1804 unsigned char unused;
1774#if EV_USE_EPOLL 1805#if EV_USE_EPOLL
1775 unsigned int egen; /* generation counter to counter epoll bugs */ 1806 unsigned int egen; /* generation counter to counter epoll bugs */
1776#endif 1807#endif
1777#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 1808#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
… …
1857 1888
1858/*****************************************************************************/ 1889/*****************************************************************************/
1859 1890
1860#ifndef EV_HAVE_EV_TIME 1891#ifndef EV_HAVE_EV_TIME
1861ev_tstamp 1892ev_tstamp
1862ev_time (void) EV_THROW 1893ev_time (void) EV_NOEXCEPT
1863{ 1894{
1864#if EV_USE_REALTIME 1895#if EV_USE_REALTIME
1865 if (expect_true (have_realtime)) 1896 if (expect_true (have_realtime))
1866 { 1897 {
1867 struct timespec ts; 1898 struct timespec ts;
… …
1891 return ev_time (); 1922 return ev_time ();
1892} 1923}
1893 1924
1894#if EV_MULTIPLICITY 1925#if EV_MULTIPLICITY
1895ev_tstamp 1926ev_tstamp
1896ev_now (EV_P) EV_THROW 1927ev_now (EV_P) EV_NOEXCEPT
1897{ 1928{
1898 return ev_rt_now; 1929 return ev_rt_now;
1899} 1930}
1900#endif 1931#endif
1901 1932
1902void 1933void
1903ev_sleep (ev_tstamp delay) EV_THROW 1934ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1904{ 1935{
1905 if (delay > 0.) 1936 if (delay > 0.)
1906 { 1937 {
1907#if EV_USE_NANOSLEEP 1938#if EV_USE_NANOSLEEP
1908 struct timespec ts; 1939 struct timespec ts;
… …
1958{ 1989{
1959 *cur = array_nextsize (elem, *cur, cnt); 1990 *cur = array_nextsize (elem, *cur, cnt);
1960 return ev_realloc (base, elem * *cur); 1991 return ev_realloc (base, elem * *cur);
1961} 1992}
1962 1993
1994#define array_needsize_noinit(base,count)
1995
1963#define array_init_zero(base,count) \ 1996#define array_needsize_zerofill(base,count) \
1964 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1997 memset ((void *)(base), 0, sizeof (*(base)) * (count))
1965 1998
1966#define array_needsize(type,base,cur,cnt,init) \ 1999#define array_needsize(type,base,cur,cnt,init) \
1967 if (expect_false ((cnt) > (cur))) \ 2000 if (expect_false ((cnt) > (cur))) \
1968 { \ 2001 { \
… …
1994{ 2027{
1995} 2028}
1996 2029
1997noinline 2030noinline
1998void 2031void
1999ev_feed_event (EV_P_ void *w, int revents) EV_THROW 2032ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
2000{ 2033{
2001 W w_ = (W)w; 2034 W w_ = (W)w;
2002 int pri = ABSPRI (w_); 2035 int pri = ABSPRI (w_);
2003 2036
2004 if (expect_false (w_->pending)) 2037 if (expect_false (w_->pending))
2005 pendings [pri][w_->pending - 1].events |= revents; 2038 pendings [pri][w_->pending - 1].events |= revents;
2006 else 2039 else
2007 { 2040 {
2008 w_->pending = ++pendingcnt [pri]; 2041 w_->pending = ++pendingcnt [pri];
2009 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 2042 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
2010 pendings [pri][w_->pending - 1].w = w_; 2043 pendings [pri][w_->pending - 1].w = w_;
2011 pendings [pri][w_->pending - 1].events = revents; 2044 pendings [pri][w_->pending - 1].events = revents;
2012 } 2045 }
2013 2046
2014 pendingpri = NUMPRI - 1; 2047 pendingpri = NUMPRI - 1;
2015} 2048}
2016 2049
2017inline_speed void 2050inline_speed void
2018feed_reverse (EV_P_ W w) 2051feed_reverse (EV_P_ W w)
2019{ 2052{
2020 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); 2053 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
2021 rfeeds [rfeedcnt++] = w; 2054 rfeeds [rfeedcnt++] = w;
2022} 2055}
2023 2056
2024inline_size void 2057inline_size void
2025feed_reverse_done (EV_P_ int revents) 2058feed_reverse_done (EV_P_ int revents)
… …
2065 if (expect_true (!anfd->reify)) 2098 if (expect_true (!anfd->reify))
2066 fd_event_nocheck (EV_A_ fd, revents); 2099 fd_event_nocheck (EV_A_ fd, revents);
2067} 2100}
2068 2101
2069void 2102void
2070ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW 2103ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
2071{ 2104{
2072 if (fd >= 0 && fd < anfdmax) 2105 if (fd >= 0 && fd < anfdmax)
2073 fd_event_nocheck (EV_A_ fd, revents); 2106 fd_event_nocheck (EV_A_ fd, revents);
2074} 2107}
2075 2108
… …
2143 anfds [fd].reify |= flags; 2176 anfds [fd].reify |= flags;
2144 2177
2145 if (expect_true (!reify)) 2178 if (expect_true (!reify))
2146 { 2179 {
2147 ++fdchangecnt; 2180 ++fdchangecnt;
2148 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 2181 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2149 fdchanges [fdchangecnt - 1] = fd; 2182 fdchanges [fdchangecnt - 1] = fd;
2150 } 2183 }
2151} 2184}
2152 2185
2153/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 2186/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
… …
2557} 2590}
2558 2591
2559/*****************************************************************************/ 2592/*****************************************************************************/
2560 2593
2561void 2594void
2562ev_feed_signal (int signum) EV_THROW 2595ev_feed_signal (int signum) EV_NOEXCEPT
2563{ 2596{
2564#if EV_MULTIPLICITY 2597#if EV_MULTIPLICITY
2565 EV_P; 2598 EV_P;
2566 ECB_MEMORY_FENCE_ACQUIRE; 2599 ECB_MEMORY_FENCE_ACQUIRE;
2567 EV_A = signals [signum - 1].loop; 2600 EV_A = signals [signum - 1].loop;
… …
2584 ev_feed_signal (signum); 2617 ev_feed_signal (signum);
2585} 2618}
2586 2619
2587noinline 2620noinline
2588void 2621void
2589ev_feed_signal_event (EV_P_ int signum) EV_THROW 2622ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2590{ 2623{
2591 WL w; 2624 WL w;
2592 2625
2593 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2626 if (expect_false (signum <= 0 || signum >= EV_NSIG))
2594 return; 2627 return;
… …
2700# include "ev_port.c" 2733# include "ev_port.c"
2701#endif 2734#endif
2702#if EV_USE_KQUEUE 2735#if EV_USE_KQUEUE
2703# include "ev_kqueue.c" 2736# include "ev_kqueue.c"
2704#endif 2737#endif
2738#if EV_USE_LINUXAIO
2739# include "ev_linuxaio.c"
2740#endif
2705#if EV_USE_EPOLL 2741#if EV_USE_EPOLL
2706# include "ev_epoll.c" 2742# include "ev_epoll.c"
2707#endif 2743#endif
2708#if EV_USE_POLL 2744#if EV_USE_POLL
2709# include "ev_poll.c" 2745# include "ev_poll.c"
… …
2711#if EV_USE_SELECT 2747#if EV_USE_SELECT
2712# include "ev_select.c" 2748# include "ev_select.c"
2713#endif 2749#endif
2714 2750
2715ecb_cold int 2751ecb_cold int
2716ev_version_major (void) EV_THROW 2752ev_version_major (void) EV_NOEXCEPT
2717{ 2753{
2718 return EV_VERSION_MAJOR; 2754 return EV_VERSION_MAJOR;
2719} 2755}
2720 2756
2721ecb_cold int 2757ecb_cold int
2722ev_version_minor (void) EV_THROW 2758ev_version_minor (void) EV_NOEXCEPT
2723{ 2759{
2724 return EV_VERSION_MINOR; 2760 return EV_VERSION_MINOR;
2725} 2761}
2726 2762
2727/* return true if we are running with elevated privileges and should ignore env variables */ 2763/* return true if we are running with elevated privileges and should ignore env variables */
… …
2736#endif 2772#endif
2737} 2773}
2738 2774
2739ecb_cold 2775ecb_cold
2740unsigned int 2776unsigned int
2741ev_supported_backends (void) EV_THROW 2777ev_supported_backends (void) EV_NOEXCEPT
2742{ 2778{
2743 unsigned int flags = 0; 2779 unsigned int flags = 0;
2744 2780
2745 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2781 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2746 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2782 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2747 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2783 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2784 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2748 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2785 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2749 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2786 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2750 2787
2751 return flags; 2788 return flags;
2752} 2789}
2753 2790
2754ecb_cold 2791ecb_cold
2755unsigned int 2792unsigned int
2756ev_recommended_backends (void) EV_THROW 2793ev_recommended_backends (void) EV_NOEXCEPT
2757{ 2794{
2758 unsigned int flags = ev_supported_backends (); 2795 unsigned int flags = ev_supported_backends ();
2759 2796
2760#ifndef __NetBSD__ 2797#ifndef __NetBSD__
2761 /* kqueue is borked on everything but netbsd apparently */ 2798 /* kqueue is borked on everything but netbsd apparently */
… …
2769#endif 2806#endif
2770#ifdef __FreeBSD__ 2807#ifdef __FreeBSD__
2771 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ 2808 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2772#endif 2809#endif
2773 2810
2811 /* TODO: linuxaio is very experimental */
2812 flags &= ~EVBACKEND_LINUXAIO;
2813
2774 return flags; 2814 return flags;
2775} 2815}
2776 2816
2777ecb_cold 2817ecb_cold
2778unsigned int 2818unsigned int
2779ev_embeddable_backends (void) EV_THROW 2819ev_embeddable_backends (void) EV_NOEXCEPT
2780{ 2820{
2781 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2821 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2782 2822
2783 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2823 /* 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 */ 2824 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2786 2826
2787 return flags; 2827 return flags;
2788} 2828}
2789 2829
2790unsigned int 2830unsigned int
2791ev_backend (EV_P) EV_THROW 2831ev_backend (EV_P) EV_NOEXCEPT
2792{ 2832{
2793 return backend; 2833 return backend;
2794} 2834}
2795 2835
2796#if EV_FEATURE_API 2836#if EV_FEATURE_API
2797unsigned int 2837unsigned int
2798ev_iteration (EV_P) EV_THROW 2838ev_iteration (EV_P) EV_NOEXCEPT
2799{ 2839{
2800 return loop_count; 2840 return loop_count;
2801} 2841}
2802 2842
2803unsigned int 2843unsigned int
2804ev_depth (EV_P) EV_THROW 2844ev_depth (EV_P) EV_NOEXCEPT
2805{ 2845{
2806 return loop_depth; 2846 return loop_depth;
2807} 2847}
2808 2848
2809void 2849void
2810ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2850ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2811{ 2851{
2812 io_blocktime = interval; 2852 io_blocktime = interval;
2813} 2853}
2814 2854
2815void 2855void
2816ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2856ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2817{ 2857{
2818 timeout_blocktime = interval; 2858 timeout_blocktime = interval;
2819} 2859}
2820 2860
2821void 2861void
2822ev_set_userdata (EV_P_ void *data) EV_THROW 2862ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2823{ 2863{
2824 userdata = data; 2864 userdata = data;
2825} 2865}
2826 2866
2827void * 2867void *
2828ev_userdata (EV_P) EV_THROW 2868ev_userdata (EV_P) EV_NOEXCEPT
2829{ 2869{
2830 return userdata; 2870 return userdata;
2831} 2871}
2832 2872
2833void 2873void
2834ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW 2874ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2835{ 2875{
2836 invoke_cb = invoke_pending_cb; 2876 invoke_cb = invoke_pending_cb;
2837} 2877}
2838 2878
2839void 2879void
2840ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW 2880ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2841{ 2881{
2842 release_cb = release; 2882 release_cb = release;
2843 acquire_cb = acquire; 2883 acquire_cb = acquire;
2844} 2884}
2845#endif 2885#endif
2846 2886
2847/* initialise a loop structure, must be zero-initialised */ 2887/* initialise a loop structure, must be zero-initialised */
2848noinline ecb_cold 2888noinline ecb_cold
2849static void 2889static void
2850loop_init (EV_P_ unsigned int flags) EV_THROW 2890loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2851{ 2891{
2852 if (!backend) 2892 if (!backend)
2853 { 2893 {
2854 origflags = flags; 2894 origflags = flags;
2855 2895
… …
2913 2953
2914 if (!(flags & EVBACKEND_MASK)) 2954 if (!(flags & EVBACKEND_MASK))
2915 flags |= ev_recommended_backends (); 2955 flags |= ev_recommended_backends ();
2916 2956
2917#if EV_USE_IOCP 2957#if EV_USE_IOCP
2918 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 2958 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2919#endif 2959#endif
2920#if EV_USE_PORT 2960#if EV_USE_PORT
2921 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 2961 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2922#endif 2962#endif
2923#if EV_USE_KQUEUE 2963#if EV_USE_KQUEUE
2924 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 2964 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2965#endif
2966#if EV_USE_LINUXAIO
2967 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2925#endif 2968#endif
2926#if EV_USE_EPOLL 2969#if EV_USE_EPOLL
2927 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 2970 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2928#endif 2971#endif
2929#if EV_USE_POLL 2972#if EV_USE_POLL
2930 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); 2973 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2931#endif 2974#endif
2932#if EV_USE_SELECT 2975#if EV_USE_SELECT
2933 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 2976 if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2934#endif 2977#endif
2935 2978
2936 ev_prepare_init (&pending_w, pendingcb); 2979 ev_prepare_init (&pending_w, pendingcb);
2937 2980
2938#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2981#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
… …
2993 3036
2994 if (backend_fd >= 0) 3037 if (backend_fd >= 0)
2995 close (backend_fd); 3038 close (backend_fd);
2996 3039
2997#if EV_USE_IOCP 3040#if EV_USE_IOCP
2998 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); 3041 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2999#endif 3042#endif
3000#if EV_USE_PORT 3043#if EV_USE_PORT
3001 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3044 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3002#endif 3045#endif
3003#if EV_USE_KQUEUE 3046#if EV_USE_KQUEUE
3004 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 3047 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3048#endif
3049#if EV_USE_LINUXAIO
3050 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3005#endif 3051#endif
3006#if EV_USE_EPOLL 3052#if EV_USE_EPOLL
3007 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); 3053 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
3008#endif 3054#endif
3009#if EV_USE_POLL 3055#if EV_USE_POLL
3010 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); 3056 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
3011#endif 3057#endif
3012#if EV_USE_SELECT 3058#if EV_USE_SELECT
3013 if (backend == EVBACKEND_SELECT) select_destroy (EV_A); 3059 if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
3014#endif 3060#endif
3015 3061
3016 for (i = NUMPRI; i--; ) 3062 for (i = NUMPRI; i--; )
3017 { 3063 {
3018 array_free (pending, [i]); 3064 array_free (pending, [i]);
… …
3060 3106
3061inline_size void 3107inline_size void
3062loop_fork (EV_P) 3108loop_fork (EV_P)
3063{ 3109{
3064#if EV_USE_PORT 3110#if EV_USE_PORT
3065 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3111 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3066#endif 3112#endif
3067#if EV_USE_KQUEUE 3113#if EV_USE_KQUEUE
3068 if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); 3114 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3115#endif
3116#if EV_USE_LINUXAIO
3117 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3069#endif 3118#endif
3070#if EV_USE_EPOLL 3119#if EV_USE_EPOLL
3071 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3120 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
3072#endif 3121#endif
3073#if EV_USE_INOTIFY 3122#if EV_USE_INOTIFY
3074 infy_fork (EV_A); 3123 infy_fork (EV_A);
3075#endif 3124#endif
3076 3125
… …
3096 3145
3097#if EV_MULTIPLICITY 3146#if EV_MULTIPLICITY
3098 3147
3099ecb_cold 3148ecb_cold
3100struct ev_loop * 3149struct ev_loop *
3101ev_loop_new (unsigned int flags) EV_THROW 3150ev_loop_new (unsigned int flags) EV_NOEXCEPT
3102{ 3151{
3103 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3152 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
3104 3153
3105 memset (EV_A, 0, sizeof (struct ev_loop)); 3154 memset (EV_A, 0, sizeof (struct ev_loop));
3106 loop_init (EV_A_ flags); 3155 loop_init (EV_A_ flags);
… …
3153} 3202}
3154#endif 3203#endif
3155 3204
3156#if EV_FEATURE_API 3205#if EV_FEATURE_API
3157void ecb_cold 3206void ecb_cold
3158ev_verify (EV_P) EV_THROW 3207ev_verify (EV_P) EV_NOEXCEPT
3159{ 3208{
3160#if EV_VERIFY 3209#if EV_VERIFY
3161 int i; 3210 int i;
3162 WL w, w2; 3211 WL w, w2;
3163 3212
… …
3244ecb_cold 3293ecb_cold
3245struct ev_loop * 3294struct ev_loop *
3246#else 3295#else
3247int 3296int
3248#endif 3297#endif
3249ev_default_loop (unsigned int flags) EV_THROW 3298ev_default_loop (unsigned int flags) EV_NOEXCEPT
3250{ 3299{
3251 if (!ev_default_loop_ptr) 3300 if (!ev_default_loop_ptr)
3252 { 3301 {
3253#if EV_MULTIPLICITY 3302#if EV_MULTIPLICITY
3254 EV_P = ev_default_loop_ptr = &default_loop_struct; 3303 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
3273 3322
3274 return ev_default_loop_ptr; 3323 return ev_default_loop_ptr;
3275} 3324}
3276 3325
3277void 3326void
3278ev_loop_fork (EV_P) EV_THROW 3327ev_loop_fork (EV_P) EV_NOEXCEPT
3279{ 3328{
3280 postfork = 1; 3329 postfork = 1;
3281} 3330}
3282 3331
3283/*****************************************************************************/ 3332/*****************************************************************************/
… …
3287{ 3336{
3288 EV_CB_INVOKE ((W)w, revents); 3337 EV_CB_INVOKE ((W)w, revents);
3289} 3338}
3290 3339
3291unsigned int 3340unsigned int
3292ev_pending_count (EV_P) EV_THROW 3341ev_pending_count (EV_P) EV_NOEXCEPT
3293{ 3342{
3294 int pri; 3343 int pri;
3295 unsigned int count = 0; 3344 unsigned int count = 0;
3296 3345
3297 for (pri = NUMPRI; pri--; ) 3346 for (pri = NUMPRI; pri--; )
… …
3737 3786
3738 return activecnt; 3787 return activecnt;
3739} 3788}
3740 3789
3741void 3790void
3742ev_break (EV_P_ int how) EV_THROW 3791ev_break (EV_P_ int how) EV_NOEXCEPT
3743{ 3792{
3744 loop_done = how; 3793 loop_done = how;
3745} 3794}
3746 3795
3747void 3796void
3748ev_ref (EV_P) EV_THROW 3797ev_ref (EV_P) EV_NOEXCEPT
3749{ 3798{
3750 ++activecnt; 3799 ++activecnt;
3751} 3800}
3752 3801
3753void 3802void
3754ev_unref (EV_P) EV_THROW 3803ev_unref (EV_P) EV_NOEXCEPT
3755{ 3804{
3756 --activecnt; 3805 --activecnt;
3757} 3806}
3758 3807
3759void 3808void
3760ev_now_update (EV_P) EV_THROW 3809ev_now_update (EV_P) EV_NOEXCEPT
3761{ 3810{
3762 time_update (EV_A_ 1e100); 3811 time_update (EV_A_ 1e100);
3763} 3812}
3764 3813
3765void 3814void
3766ev_suspend (EV_P) EV_THROW 3815ev_suspend (EV_P) EV_NOEXCEPT
3767{ 3816{
3768 ev_now_update (EV_A); 3817 ev_now_update (EV_A);
3769} 3818}
3770 3819
3771void 3820void
3772ev_resume (EV_P) EV_THROW 3821ev_resume (EV_P) EV_NOEXCEPT
3773{ 3822{
3774 ev_tstamp mn_prev = mn_now; 3823 ev_tstamp mn_prev = mn_now;
3775 3824
3776 ev_now_update (EV_A); 3825 ev_now_update (EV_A);
3777 timers_reschedule (EV_A_ mn_now - mn_prev); 3826 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3816 w->pending = 0; 3865 w->pending = 0;
3817 } 3866 }
3818} 3867}
3819 3868
3820int 3869int
3821ev_clear_pending (EV_P_ void *w) EV_THROW 3870ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3822{ 3871{
3823 W w_ = (W)w; 3872 W w_ = (W)w;
3824 int pending = w_->pending; 3873 int pending = w_->pending;
3825 3874
3826 if (expect_true (pending)) 3875 if (expect_true (pending))
… …
3860 3909
3861/*****************************************************************************/ 3910/*****************************************************************************/
3862 3911
3863noinline 3912noinline
3864void 3913void
3865ev_io_start (EV_P_ ev_io *w) EV_THROW 3914ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3866{ 3915{
3867 int fd = w->fd; 3916 int fd = w->fd;
3868 3917
3869 if (expect_false (ev_is_active (w))) 3918 if (expect_false (ev_is_active (w)))
3870 return; 3919 return;
… …
3873 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 3922 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3874 3923
3875 EV_FREQUENT_CHECK; 3924 EV_FREQUENT_CHECK;
3876 3925
3877 ev_start (EV_A_ (W)w, 1); 3926 ev_start (EV_A_ (W)w, 1);
3878 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3927 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3879 wlist_add (&anfds[fd].head, (WL)w); 3928 wlist_add (&anfds[fd].head, (WL)w);
3880 3929
3881 /* common bug, apparently */ 3930 /* common bug, apparently */
3882 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); 3931 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3883 3932
… …
3887 EV_FREQUENT_CHECK; 3936 EV_FREQUENT_CHECK;
3888} 3937}
3889 3938
3890noinline 3939noinline
3891void 3940void
3892ev_io_stop (EV_P_ ev_io *w) EV_THROW 3941ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3893{ 3942{
3894 clear_pending (EV_A_ (W)w); 3943 clear_pending (EV_A_ (W)w);
3895 if (expect_false (!ev_is_active (w))) 3944 if (expect_false (!ev_is_active (w)))
3896 return; 3945 return;
3897 3946
… …
3907 EV_FREQUENT_CHECK; 3956 EV_FREQUENT_CHECK;
3908} 3957}
3909 3958
3910noinline 3959noinline
3911void 3960void
3912ev_timer_start (EV_P_ ev_timer *w) EV_THROW 3961ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3913{ 3962{
3914 if (expect_false (ev_is_active (w))) 3963 if (expect_false (ev_is_active (w)))
3915 return; 3964 return;
3916 3965
3917 ev_at (w) += mn_now; 3966 ev_at (w) += mn_now;
… …
3920 3969
3921 EV_FREQUENT_CHECK; 3970 EV_FREQUENT_CHECK;
3922 3971
3923 ++timercnt; 3972 ++timercnt;
3924 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 3973 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3925 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); 3974 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3926 ANHE_w (timers [ev_active (w)]) = (WT)w; 3975 ANHE_w (timers [ev_active (w)]) = (WT)w;
3927 ANHE_at_cache (timers [ev_active (w)]); 3976 ANHE_at_cache (timers [ev_active (w)]);
3928 upheap (timers, ev_active (w)); 3977 upheap (timers, ev_active (w));
3929 3978
3930 EV_FREQUENT_CHECK; 3979 EV_FREQUENT_CHECK;
… …
3932 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3981 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3933} 3982}
3934 3983
3935noinline 3984noinline
3936void 3985void
3937ev_timer_stop (EV_P_ ev_timer *w) EV_THROW 3986ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3938{ 3987{
3939 clear_pending (EV_A_ (W)w); 3988 clear_pending (EV_A_ (W)w);
3940 if (expect_false (!ev_is_active (w))) 3989 if (expect_false (!ev_is_active (w)))
3941 return; 3990 return;
3942 3991
… …
3963 EV_FREQUENT_CHECK; 4012 EV_FREQUENT_CHECK;
3964} 4013}
3965 4014
3966noinline 4015noinline
3967void 4016void
3968ev_timer_again (EV_P_ ev_timer *w) EV_THROW 4017ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3969{ 4018{
3970 EV_FREQUENT_CHECK; 4019 EV_FREQUENT_CHECK;
3971 4020
3972 clear_pending (EV_A_ (W)w); 4021 clear_pending (EV_A_ (W)w);
3973 4022
… …
3990 4039
3991 EV_FREQUENT_CHECK; 4040 EV_FREQUENT_CHECK;
3992} 4041}
3993 4042
3994ev_tstamp 4043ev_tstamp
3995ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW 4044ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3996{ 4045{
3997 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4046 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3998} 4047}
3999 4048
4000#if EV_PERIODIC_ENABLE 4049#if EV_PERIODIC_ENABLE
4001noinline 4050noinline
4002void 4051void
4003ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW 4052ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4004{ 4053{
4005 if (expect_false (ev_is_active (w))) 4054 if (expect_false (ev_is_active (w)))
4006 return; 4055 return;
4007 4056
4008 if (w->reschedule_cb) 4057 if (w->reschedule_cb)
… …
4017 4066
4018 EV_FREQUENT_CHECK; 4067 EV_FREQUENT_CHECK;
4019 4068
4020 ++periodiccnt; 4069 ++periodiccnt;
4021 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); 4070 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
4022 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); 4071 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
4023 ANHE_w (periodics [ev_active (w)]) = (WT)w; 4072 ANHE_w (periodics [ev_active (w)]) = (WT)w;
4024 ANHE_at_cache (periodics [ev_active (w)]); 4073 ANHE_at_cache (periodics [ev_active (w)]);
4025 upheap (periodics, ev_active (w)); 4074 upheap (periodics, ev_active (w));
4026 4075
4027 EV_FREQUENT_CHECK; 4076 EV_FREQUENT_CHECK;
… …
4029 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4078 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4030} 4079}
4031 4080
4032noinline 4081noinline
4033void 4082void
4034ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW 4083ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4035{ 4084{
4036 clear_pending (EV_A_ (W)w); 4085 clear_pending (EV_A_ (W)w);
4037 if (expect_false (!ev_is_active (w))) 4086 if (expect_false (!ev_is_active (w)))
4038 return; 4087 return;
4039 4088
… …
4058 EV_FREQUENT_CHECK; 4107 EV_FREQUENT_CHECK;
4059} 4108}
4060 4109
4061noinline 4110noinline
4062void 4111void
4063ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW 4112ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4064{ 4113{
4065 /* TODO: use adjustheap and recalculation */ 4114 /* TODO: use adjustheap and recalculation */
4066 ev_periodic_stop (EV_A_ w); 4115 ev_periodic_stop (EV_A_ w);
4067 ev_periodic_start (EV_A_ w); 4116 ev_periodic_start (EV_A_ w);
4068} 4117}
… …
4074 4123
4075#if EV_SIGNAL_ENABLE 4124#if EV_SIGNAL_ENABLE
4076 4125
4077noinline 4126noinline
4078void 4127void
4079ev_signal_start (EV_P_ ev_signal *w) EV_THROW 4128ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4080{ 4129{
4081 if (expect_false (ev_is_active (w))) 4130 if (expect_false (ev_is_active (w)))
4082 return; 4131 return;
4083 4132
4084 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4133 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
4157 EV_FREQUENT_CHECK; 4206 EV_FREQUENT_CHECK;
4158} 4207}
4159 4208
4160noinline 4209noinline
4161void 4210void
4162ev_signal_stop (EV_P_ ev_signal *w) EV_THROW 4211ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4163{ 4212{
4164 clear_pending (EV_A_ (W)w); 4213 clear_pending (EV_A_ (W)w);
4165 if (expect_false (!ev_is_active (w))) 4214 if (expect_false (!ev_is_active (w)))
4166 return; 4215 return;
4167 4216
… …
4198#endif 4247#endif
4199 4248
4200#if EV_CHILD_ENABLE 4249#if EV_CHILD_ENABLE
4201 4250
4202void 4251void
4203ev_child_start (EV_P_ ev_child *w) EV_THROW 4252ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4204{ 4253{
4205#if EV_MULTIPLICITY 4254#if EV_MULTIPLICITY
4206 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4255 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4207#endif 4256#endif
4208 if (expect_false (ev_is_active (w))) 4257 if (expect_false (ev_is_active (w)))
… …
4215 4264
4216 EV_FREQUENT_CHECK; 4265 EV_FREQUENT_CHECK;
4217} 4266}
4218 4267
4219void 4268void
4220ev_child_stop (EV_P_ ev_child *w) EV_THROW 4269ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4221{ 4270{
4222 clear_pending (EV_A_ (W)w); 4271 clear_pending (EV_A_ (W)w);
4223 if (expect_false (!ev_is_active (w))) 4272 if (expect_false (!ev_is_active (w)))
4224 return; 4273 return;
4225 4274
… …
4490#else 4539#else
4491# define EV_LSTAT(p,b) lstat (p, b) 4540# define EV_LSTAT(p,b) lstat (p, b)
4492#endif 4541#endif
4493 4542
4494void 4543void
4495ev_stat_stat (EV_P_ ev_stat *w) EV_THROW 4544ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4496{ 4545{
4497 if (lstat (w->path, &w->attr) < 0) 4546 if (lstat (w->path, &w->attr) < 0)
4498 w->attr.st_nlink = 0; 4547 w->attr.st_nlink = 0;
4499 else if (!w->attr.st_nlink) 4548 else if (!w->attr.st_nlink)
4500 w->attr.st_nlink = 1; 4549 w->attr.st_nlink = 1;
… …
4540 ev_feed_event (EV_A_ w, EV_STAT); 4589 ev_feed_event (EV_A_ w, EV_STAT);
4541 } 4590 }
4542} 4591}
4543 4592
4544void 4593void
4545ev_stat_start (EV_P_ ev_stat *w) EV_THROW 4594ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4546{ 4595{
4547 if (expect_false (ev_is_active (w))) 4596 if (expect_false (ev_is_active (w)))
4548 return; 4597 return;
4549 4598
4550 ev_stat_stat (EV_A_ w); 4599 ev_stat_stat (EV_A_ w);
… …
4571 4620
4572 EV_FREQUENT_CHECK; 4621 EV_FREQUENT_CHECK;
4573} 4622}
4574 4623
4575void 4624void
4576ev_stat_stop (EV_P_ ev_stat *w) EV_THROW 4625ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4577{ 4626{
4578 clear_pending (EV_A_ (W)w); 4627 clear_pending (EV_A_ (W)w);
4579 if (expect_false (!ev_is_active (w))) 4628 if (expect_false (!ev_is_active (w)))
4580 return; 4629 return;
4581 4630
… …
4597} 4646}
4598#endif 4647#endif
4599 4648
4600#if EV_IDLE_ENABLE 4649#if EV_IDLE_ENABLE
4601void 4650void
4602ev_idle_start (EV_P_ ev_idle *w) EV_THROW 4651ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4603{ 4652{
4604 if (expect_false (ev_is_active (w))) 4653 if (expect_false (ev_is_active (w)))
4605 return; 4654 return;
4606 4655
4607 pri_adjust (EV_A_ (W)w); 4656 pri_adjust (EV_A_ (W)w);
… …
4612 int active = ++idlecnt [ABSPRI (w)]; 4661 int active = ++idlecnt [ABSPRI (w)];
4613 4662
4614 ++idleall; 4663 ++idleall;
4615 ev_start (EV_A_ (W)w, active); 4664 ev_start (EV_A_ (W)w, active);
4616 4665
4617 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 4666 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4618 idles [ABSPRI (w)][active - 1] = w; 4667 idles [ABSPRI (w)][active - 1] = w;
4619 } 4668 }
4620 4669
4621 EV_FREQUENT_CHECK; 4670 EV_FREQUENT_CHECK;
4622} 4671}
4623 4672
4624void 4673void
4625ev_idle_stop (EV_P_ ev_idle *w) EV_THROW 4674ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4626{ 4675{
4627 clear_pending (EV_A_ (W)w); 4676 clear_pending (EV_A_ (W)w);
4628 if (expect_false (!ev_is_active (w))) 4677 if (expect_false (!ev_is_active (w)))
4629 return; 4678 return;
4630 4679
… …
4644} 4693}
4645#endif 4694#endif
4646 4695
4647#if EV_PREPARE_ENABLE 4696#if EV_PREPARE_ENABLE
4648void 4697void
4649ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW 4698ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4650{ 4699{
4651 if (expect_false (ev_is_active (w))) 4700 if (expect_false (ev_is_active (w)))
4652 return; 4701 return;
4653 4702
4654 EV_FREQUENT_CHECK; 4703 EV_FREQUENT_CHECK;
4655 4704
4656 ev_start (EV_A_ (W)w, ++preparecnt); 4705 ev_start (EV_A_ (W)w, ++preparecnt);
4657 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 4706 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4658 prepares [preparecnt - 1] = w; 4707 prepares [preparecnt - 1] = w;
4659 4708
4660 EV_FREQUENT_CHECK; 4709 EV_FREQUENT_CHECK;
4661} 4710}
4662 4711
4663void 4712void
4664ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW 4713ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4665{ 4714{
4666 clear_pending (EV_A_ (W)w); 4715 clear_pending (EV_A_ (W)w);
4667 if (expect_false (!ev_is_active (w))) 4716 if (expect_false (!ev_is_active (w)))
4668 return; 4717 return;
4669 4718
… …
4682} 4731}
4683#endif 4732#endif
4684 4733
4685#if EV_CHECK_ENABLE 4734#if EV_CHECK_ENABLE
4686void 4735void
4687ev_check_start (EV_P_ ev_check *w) EV_THROW 4736ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4688{ 4737{
4689 if (expect_false (ev_is_active (w))) 4738 if (expect_false (ev_is_active (w)))
4690 return; 4739 return;
4691 4740
4692 EV_FREQUENT_CHECK; 4741 EV_FREQUENT_CHECK;
4693 4742
4694 ev_start (EV_A_ (W)w, ++checkcnt); 4743 ev_start (EV_A_ (W)w, ++checkcnt);
4695 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 4744 array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4696 checks [checkcnt - 1] = w; 4745 checks [checkcnt - 1] = w;
4697 4746
4698 EV_FREQUENT_CHECK; 4747 EV_FREQUENT_CHECK;
4699} 4748}
4700 4749
4701void 4750void
4702ev_check_stop (EV_P_ ev_check *w) EV_THROW 4751ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4703{ 4752{
4704 clear_pending (EV_A_ (W)w); 4753 clear_pending (EV_A_ (W)w);
4705 if (expect_false (!ev_is_active (w))) 4754 if (expect_false (!ev_is_active (w)))
4706 return; 4755 return;
4707 4756
… …
4721#endif 4770#endif
4722 4771
4723#if EV_EMBED_ENABLE 4772#if EV_EMBED_ENABLE
4724noinline 4773noinline
4725void 4774void
4726ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW 4775ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4727{ 4776{
4728 ev_run (w->other, EVRUN_NOWAIT); 4777 ev_run (w->other, EVRUN_NOWAIT);
4729} 4778}
4730 4779
4731static void 4780static void
… …
4779 ev_idle_stop (EV_A_ idle); 4828 ev_idle_stop (EV_A_ idle);
4780} 4829}
4781#endif 4830#endif
4782 4831
4783void 4832void
4784ev_embed_start (EV_P_ ev_embed *w) EV_THROW 4833ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4785{ 4834{
4786 if (expect_false (ev_is_active (w))) 4835 if (expect_false (ev_is_active (w)))
4787 return; 4836 return;
4788 4837
4789 { 4838 {
… …
4810 4859
4811 EV_FREQUENT_CHECK; 4860 EV_FREQUENT_CHECK;
4812} 4861}
4813 4862
4814void 4863void
4815ev_embed_stop (EV_P_ ev_embed *w) EV_THROW 4864ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4816{ 4865{
4817 clear_pending (EV_A_ (W)w); 4866 clear_pending (EV_A_ (W)w);
4818 if (expect_false (!ev_is_active (w))) 4867 if (expect_false (!ev_is_active (w)))
4819 return; 4868 return;
4820 4869
… …
4830} 4879}
4831#endif 4880#endif
4832 4881
4833#if EV_FORK_ENABLE 4882#if EV_FORK_ENABLE
4834void 4883void
4835ev_fork_start (EV_P_ ev_fork *w) EV_THROW 4884ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4836{ 4885{
4837 if (expect_false (ev_is_active (w))) 4886 if (expect_false (ev_is_active (w)))
4838 return; 4887 return;
4839 4888
4840 EV_FREQUENT_CHECK; 4889 EV_FREQUENT_CHECK;
4841 4890
4842 ev_start (EV_A_ (W)w, ++forkcnt); 4891 ev_start (EV_A_ (W)w, ++forkcnt);
4843 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 4892 array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4844 forks [forkcnt - 1] = w; 4893 forks [forkcnt - 1] = w;
4845 4894
4846 EV_FREQUENT_CHECK; 4895 EV_FREQUENT_CHECK;
4847} 4896}
4848 4897
4849void 4898void
4850ev_fork_stop (EV_P_ ev_fork *w) EV_THROW 4899ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4851{ 4900{
4852 clear_pending (EV_A_ (W)w); 4901 clear_pending (EV_A_ (W)w);
4853 if (expect_false (!ev_is_active (w))) 4902 if (expect_false (!ev_is_active (w)))
4854 return; 4903 return;
4855 4904
… …
4868} 4917}
4869#endif 4918#endif
4870 4919
4871#if EV_CLEANUP_ENABLE 4920#if EV_CLEANUP_ENABLE
4872void 4921void
4873ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW 4922ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4874{ 4923{
4875 if (expect_false (ev_is_active (w))) 4924 if (expect_false (ev_is_active (w)))
4876 return; 4925 return;
4877 4926
4878 EV_FREQUENT_CHECK; 4927 EV_FREQUENT_CHECK;
4879 4928
4880 ev_start (EV_A_ (W)w, ++cleanupcnt); 4929 ev_start (EV_A_ (W)w, ++cleanupcnt);
4881 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); 4930 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4882 cleanups [cleanupcnt - 1] = w; 4931 cleanups [cleanupcnt - 1] = w;
4883 4932
4884 /* cleanup watchers should never keep a refcount on the loop */ 4933 /* cleanup watchers should never keep a refcount on the loop */
4885 ev_unref (EV_A); 4934 ev_unref (EV_A);
4886 EV_FREQUENT_CHECK; 4935 EV_FREQUENT_CHECK;
4887} 4936}
4888 4937
4889void 4938void
4890ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW 4939ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4891{ 4940{
4892 clear_pending (EV_A_ (W)w); 4941 clear_pending (EV_A_ (W)w);
4893 if (expect_false (!ev_is_active (w))) 4942 if (expect_false (!ev_is_active (w)))
4894 return; 4943 return;
4895 4944
… …
4909} 4958}
4910#endif 4959#endif
4911 4960
4912#if EV_ASYNC_ENABLE 4961#if EV_ASYNC_ENABLE
4913void 4962void
4914ev_async_start (EV_P_ ev_async *w) EV_THROW 4963ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4915{ 4964{
4916 if (expect_false (ev_is_active (w))) 4965 if (expect_false (ev_is_active (w)))
4917 return; 4966 return;
4918 4967
4919 w->sent = 0; 4968 w->sent = 0;
… …
4921 evpipe_init (EV_A); 4970 evpipe_init (EV_A);
4922 4971
4923 EV_FREQUENT_CHECK; 4972 EV_FREQUENT_CHECK;
4924 4973
4925 ev_start (EV_A_ (W)w, ++asynccnt); 4974 ev_start (EV_A_ (W)w, ++asynccnt);
4926 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 4975 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4927 asyncs [asynccnt - 1] = w; 4976 asyncs [asynccnt - 1] = w;
4928 4977
4929 EV_FREQUENT_CHECK; 4978 EV_FREQUENT_CHECK;
4930} 4979}
4931 4980
4932void 4981void
4933ev_async_stop (EV_P_ ev_async *w) EV_THROW 4982ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4934{ 4983{
4935 clear_pending (EV_A_ (W)w); 4984 clear_pending (EV_A_ (W)w);
4936 if (expect_false (!ev_is_active (w))) 4985 if (expect_false (!ev_is_active (w)))
4937 return; 4986 return;
4938 4987
… …
4949 4998
4950 EV_FREQUENT_CHECK; 4999 EV_FREQUENT_CHECK;
4951} 5000}
4952 5001
4953void 5002void
4954ev_async_send (EV_P_ ev_async *w) EV_THROW 5003ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4955{ 5004{
4956 w->sent = 1; 5005 w->sent = 1;
4957 evpipe_write (EV_A_ &async_pending); 5006 evpipe_write (EV_A_ &async_pending);
4958} 5007}
4959#endif 5008#endif
… …
4996 5045
4997 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 5046 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4998} 5047}
4999 5048
5000void 5049void
5001ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW 5050ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
5002{ 5051{
5003 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 5052 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 5053
5011 once->cb = cb; 5054 once->cb = cb;
5012 once->arg = arg; 5055 once->arg = arg;
5013 5056
5014 ev_init (&once->io, once_cb_io); 5057 ev_init (&once->io, once_cb_io);
… …
5029/*****************************************************************************/ 5072/*****************************************************************************/
5030 5073
5031#if EV_WALK_ENABLE 5074#if EV_WALK_ENABLE
5032ecb_cold 5075ecb_cold
5033void 5076void
5034ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW 5077ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
5035{ 5078{
5036 int i, j; 5079 int i, j;
5037 ev_watcher_list *wl, *wn; 5080 ev_watcher_list *wl, *wn;
5038 5081
5039 if (types & (EV_IO | EV_EMBED)) 5082 if (types & (EV_IO | EV_EMBED))

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