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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 1.495 by root, Mon Jun 24 21:27:57 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
… …
416 433
417#if !EV_USE_NANOSLEEP 434#if !EV_USE_NANOSLEEP
418/* hp-ux has it in sys/time.h, which we unconditionally include above */ 435/* hp-ux has it in sys/time.h, which we unconditionally include above */
419# if !defined _WIN32 && !defined __hpux 436# if !defined _WIN32 && !defined __hpux
420# include <sys/select.h> 437# include <sys/select.h>
438# endif
439#endif
440
441#if EV_USE_LINUXAIO
442# include <sys/syscall.h>
443# if !SYS_io_getevents || !EV_USE_EPOLL /* ev_linxaio uses ev_poll.c:ev_epoll_create */
444# undef EV_USE_LINUXAIO
445# define EV_USE_LINUXAIO 0
421# endif 446# endif
422#endif 447#endif
423 448
424#if EV_USE_INOTIFY 449#if EV_USE_INOTIFY
425# include <sys/statfs.h> 450# include <sys/statfs.h>
… …
609 #define ECB_CLANG_EXTENSION(x) 0 634 #define ECB_CLANG_EXTENSION(x) 0
610#endif 635#endif
611 636
612#define ECB_CPP (__cplusplus+0) 637#define ECB_CPP (__cplusplus+0)
613#define ECB_CPP11 (__cplusplus >= 201103L) 638#define ECB_CPP11 (__cplusplus >= 201103L)
639#define ECB_CPP14 (__cplusplus >= 201402L)
640#define ECB_CPP17 (__cplusplus >= 201703L)
614 641
615#if ECB_CPP 642#if ECB_CPP
616 #define ECB_C 0 643 #define ECB_C 0
617 #define ECB_STDC_VERSION 0 644 #define ECB_STDC_VERSION 0
618#else 645#else
… …
620 #define ECB_STDC_VERSION __STDC_VERSION__ 647 #define ECB_STDC_VERSION __STDC_VERSION__
621#endif 648#endif
622 649
623#define ECB_C99 (ECB_STDC_VERSION >= 199901L) 650#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
624#define ECB_C11 (ECB_STDC_VERSION >= 201112L) 651#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
652#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
625 653
626#if ECB_CPP 654#if ECB_CPP
627 #define ECB_EXTERN_C extern "C" 655 #define ECB_EXTERN_C extern "C"
628 #define ECB_EXTERN_C_BEG ECB_EXTERN_C { 656 #define ECB_EXTERN_C_BEG ECB_EXTERN_C {
629 #define ECB_EXTERN_C_END } 657 #define ECB_EXTERN_C_END }
… …
658#ifndef ECB_MEMORY_FENCE 686#ifndef ECB_MEMORY_FENCE
659 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 687 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
660 #if __i386 || __i386__ 688 #if __i386 || __i386__
661 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 689 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
662 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 690 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
663 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 691 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
664 #elif ECB_GCC_AMD64 692 #elif ECB_GCC_AMD64
665 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 693 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
666 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 694 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
667 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 695 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
668 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 696 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
669 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 697 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
670 #elif defined __ARM_ARCH_2__ \ 698 #elif defined __ARM_ARCH_2__ \
671 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ 699 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
672 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ 700 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
… …
1540# define ABSPRI(w) (((W)w), 0) 1568# define ABSPRI(w) (((W)w), 0)
1541#else 1569#else
1542# define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 1570# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1543#endif 1571#endif
1544 1572
1545#define EMPTY /* required for microsofts broken pseudo-c compiler */ 1573#define EMPTY /* required for microsofts broken pseudo-c compiler */
1546#define EMPTY2(a,b) /* used to suppress some warnings */
1547 1574
1548typedef ev_watcher *W; 1575typedef ev_watcher *W;
1549typedef ev_watcher_list *WL; 1576typedef ev_watcher_list *WL;
1550typedef ev_watcher_time *WT; 1577typedef ev_watcher_time *WT;
1551 1578
… …
1575#ifdef _WIN32 1602#ifdef _WIN32
1576# include "ev_win32.c" 1603# include "ev_win32.c"
1577#endif 1604#endif
1578 1605
1579/*****************************************************************************/ 1606/*****************************************************************************/
1607
1608#if EV_USE_LINUXAIO
1609# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
1610#endif
1580 1611
1581/* define a suitable floor function (only used by periodics atm) */ 1612/* define a suitable floor function (only used by periodics atm) */
1582 1613
1583#if EV_USE_FLOOR 1614#if EV_USE_FLOOR
1584# include <math.h> 1615# include <math.h>
… …
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,offset,count)
1995
1963#define array_init_zero(base,count) \ 1996#define array_needsize_zerofill(base,offset,count) \
1964 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1997 memset ((void *)(base + offset), 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 { \
1969 ecb_unused int ocur_ = (cur); \ 2002 ecb_unused int ocur_ = (cur); \
1970 (base) = (type *)array_realloc \ 2003 (base) = (type *)array_realloc \
1971 (sizeof (type), (base), &(cur), (cnt)); \ 2004 (sizeof (type), (base), &(cur), (cnt)); \
1972 init ((base) + (ocur_), (cur) - ocur_); \ 2005 init ((base), ocur_, ((cur) - ocur_)); \
1973 } 2006 }
1974 2007
1975#if 0 2008#if 0
1976#define array_slim(type,stem) \ 2009#define array_slim(type,stem) \
1977 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ 2010 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
… …
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 */
… …
2475#endif 2508#endif
2476 { 2509 {
2477#ifdef _WIN32 2510#ifdef _WIN32
2478 WSABUF buf; 2511 WSABUF buf;
2479 DWORD sent; 2512 DWORD sent;
2480 buf.buf = &buf; 2513 buf.buf = (char *)&buf;
2481 buf.len = 1; 2514 buf.len = 1;
2482 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); 2515 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2483#else 2516#else
2484 write (evpipe [1], &(evpipe [1]), 1); 2517 write (evpipe [1], &(evpipe [1]), 1);
2485#endif 2518#endif
… …
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;
… …
2703# include "ev_kqueue.c" 2736# include "ev_kqueue.c"
2704#endif 2737#endif
2705#if EV_USE_EPOLL 2738#if EV_USE_EPOLL
2706# include "ev_epoll.c" 2739# include "ev_epoll.c"
2707#endif 2740#endif
2741#if EV_USE_LINUXAIO
2742# include "ev_linuxaio.c"
2743#endif
2708#if EV_USE_POLL 2744#if EV_USE_POLL
2709# include "ev_poll.c" 2745# include "ev_poll.c"
2710#endif 2746#endif
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#if !EV_RECOMMEND_LINUXAIO
2813 flags &= ~EVBACKEND_LINUXAIO;
2814#endif
2815
2774 return flags; 2816 return flags;
2775} 2817}
2776 2818
2777ecb_cold 2819ecb_cold
2778unsigned int 2820unsigned int
2779ev_embeddable_backends (void) EV_THROW 2821ev_embeddable_backends (void) EV_NOEXCEPT
2780{ 2822{
2781 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2823 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2782 2824
2783 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2825 /* 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 */ 2826 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2786 2828
2787 return flags; 2829 return flags;
2788} 2830}
2789 2831
2790unsigned int 2832unsigned int
2791ev_backend (EV_P) EV_THROW 2833ev_backend (EV_P) EV_NOEXCEPT
2792{ 2834{
2793 return backend; 2835 return backend;
2794} 2836}
2795 2837
2796#if EV_FEATURE_API 2838#if EV_FEATURE_API
2797unsigned int 2839unsigned int
2798ev_iteration (EV_P) EV_THROW 2840ev_iteration (EV_P) EV_NOEXCEPT
2799{ 2841{
2800 return loop_count; 2842 return loop_count;
2801} 2843}
2802 2844
2803unsigned int 2845unsigned int
2804ev_depth (EV_P) EV_THROW 2846ev_depth (EV_P) EV_NOEXCEPT
2805{ 2847{
2806 return loop_depth; 2848 return loop_depth;
2807} 2849}
2808 2850
2809void 2851void
2810ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2852ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2811{ 2853{
2812 io_blocktime = interval; 2854 io_blocktime = interval;
2813} 2855}
2814 2856
2815void 2857void
2816ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2858ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2817{ 2859{
2818 timeout_blocktime = interval; 2860 timeout_blocktime = interval;
2819} 2861}
2820 2862
2821void 2863void
2822ev_set_userdata (EV_P_ void *data) EV_THROW 2864ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2823{ 2865{
2824 userdata = data; 2866 userdata = data;
2825} 2867}
2826 2868
2827void * 2869void *
2828ev_userdata (EV_P) EV_THROW 2870ev_userdata (EV_P) EV_NOEXCEPT
2829{ 2871{
2830 return userdata; 2872 return userdata;
2831} 2873}
2832 2874
2833void 2875void
2834ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW 2876ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2835{ 2877{
2836 invoke_cb = invoke_pending_cb; 2878 invoke_cb = invoke_pending_cb;
2837} 2879}
2838 2880
2839void 2881void
2840ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW 2882ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2841{ 2883{
2842 release_cb = release; 2884 release_cb = release;
2843 acquire_cb = acquire; 2885 acquire_cb = acquire;
2844} 2886}
2845#endif 2887#endif
2846 2888
2847/* initialise a loop structure, must be zero-initialised */ 2889/* initialise a loop structure, must be zero-initialised */
2848noinline ecb_cold 2890noinline ecb_cold
2849static void 2891static void
2850loop_init (EV_P_ unsigned int flags) EV_THROW 2892loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2851{ 2893{
2852 if (!backend) 2894 if (!backend)
2853 { 2895 {
2854 origflags = flags; 2896 origflags = flags;
2855 2897
… …
2913 2955
2914 if (!(flags & EVBACKEND_MASK)) 2956 if (!(flags & EVBACKEND_MASK))
2915 flags |= ev_recommended_backends (); 2957 flags |= ev_recommended_backends ();
2916 2958
2917#if EV_USE_IOCP 2959#if EV_USE_IOCP
2918 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 2960 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2919#endif 2961#endif
2920#if EV_USE_PORT 2962#if EV_USE_PORT
2921 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 2963 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2922#endif 2964#endif
2923#if EV_USE_KQUEUE 2965#if EV_USE_KQUEUE
2924 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 2966 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2967#endif
2968#if EV_USE_LINUXAIO
2969 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2925#endif 2970#endif
2926#if EV_USE_EPOLL 2971#if EV_USE_EPOLL
2927 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 2972 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2928#endif 2973#endif
2929#if EV_USE_POLL 2974#if EV_USE_POLL
2930 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); 2975 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2931#endif 2976#endif
2932#if EV_USE_SELECT 2977#if EV_USE_SELECT
2933 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 2978 if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2934#endif 2979#endif
2935 2980
2936 ev_prepare_init (&pending_w, pendingcb); 2981 ev_prepare_init (&pending_w, pendingcb);
2937 2982
2938#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2983#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
… …
2993 3038
2994 if (backend_fd >= 0) 3039 if (backend_fd >= 0)
2995 close (backend_fd); 3040 close (backend_fd);
2996 3041
2997#if EV_USE_IOCP 3042#if EV_USE_IOCP
2998 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); 3043 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2999#endif 3044#endif
3000#if EV_USE_PORT 3045#if EV_USE_PORT
3001 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3046 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3002#endif 3047#endif
3003#if EV_USE_KQUEUE 3048#if EV_USE_KQUEUE
3004 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 3049 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3050#endif
3051#if EV_USE_LINUXAIO
3052 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3005#endif 3053#endif
3006#if EV_USE_EPOLL 3054#if EV_USE_EPOLL
3007 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); 3055 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
3008#endif 3056#endif
3009#if EV_USE_POLL 3057#if EV_USE_POLL
3010 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); 3058 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
3011#endif 3059#endif
3012#if EV_USE_SELECT 3060#if EV_USE_SELECT
3013 if (backend == EVBACKEND_SELECT) select_destroy (EV_A); 3061 if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
3014#endif 3062#endif
3015 3063
3016 for (i = NUMPRI; i--; ) 3064 for (i = NUMPRI; i--; )
3017 { 3065 {
3018 array_free (pending, [i]); 3066 array_free (pending, [i]);
… …
3060 3108
3061inline_size void 3109inline_size void
3062loop_fork (EV_P) 3110loop_fork (EV_P)
3063{ 3111{
3064#if EV_USE_PORT 3112#if EV_USE_PORT
3065 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3113 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3066#endif 3114#endif
3067#if EV_USE_KQUEUE 3115#if EV_USE_KQUEUE
3068 if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); 3116 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3117#endif
3118#if EV_USE_LINUXAIO
3119 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3069#endif 3120#endif
3070#if EV_USE_EPOLL 3121#if EV_USE_EPOLL
3071 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3122 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
3072#endif 3123#endif
3073#if EV_USE_INOTIFY 3124#if EV_USE_INOTIFY
3074 infy_fork (EV_A); 3125 infy_fork (EV_A);
3075#endif 3126#endif
3076 3127
… …
3096 3147
3097#if EV_MULTIPLICITY 3148#if EV_MULTIPLICITY
3098 3149
3099ecb_cold 3150ecb_cold
3100struct ev_loop * 3151struct ev_loop *
3101ev_loop_new (unsigned int flags) EV_THROW 3152ev_loop_new (unsigned int flags) EV_NOEXCEPT
3102{ 3153{
3103 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3154 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
3104 3155
3105 memset (EV_A, 0, sizeof (struct ev_loop)); 3156 memset (EV_A, 0, sizeof (struct ev_loop));
3106 loop_init (EV_A_ flags); 3157 loop_init (EV_A_ flags);
… …
3153} 3204}
3154#endif 3205#endif
3155 3206
3156#if EV_FEATURE_API 3207#if EV_FEATURE_API
3157void ecb_cold 3208void ecb_cold
3158ev_verify (EV_P) EV_THROW 3209ev_verify (EV_P) EV_NOEXCEPT
3159{ 3210{
3160#if EV_VERIFY 3211#if EV_VERIFY
3161 int i; 3212 int i;
3162 WL w, w2; 3213 WL w, w2;
3163 3214
… …
3244ecb_cold 3295ecb_cold
3245struct ev_loop * 3296struct ev_loop *
3246#else 3297#else
3247int 3298int
3248#endif 3299#endif
3249ev_default_loop (unsigned int flags) EV_THROW 3300ev_default_loop (unsigned int flags) EV_NOEXCEPT
3250{ 3301{
3251 if (!ev_default_loop_ptr) 3302 if (!ev_default_loop_ptr)
3252 { 3303 {
3253#if EV_MULTIPLICITY 3304#if EV_MULTIPLICITY
3254 EV_P = ev_default_loop_ptr = &default_loop_struct; 3305 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
3273 3324
3274 return ev_default_loop_ptr; 3325 return ev_default_loop_ptr;
3275} 3326}
3276 3327
3277void 3328void
3278ev_loop_fork (EV_P) EV_THROW 3329ev_loop_fork (EV_P) EV_NOEXCEPT
3279{ 3330{
3280 postfork = 1; 3331 postfork = 1;
3281} 3332}
3282 3333
3283/*****************************************************************************/ 3334/*****************************************************************************/
… …
3287{ 3338{
3288 EV_CB_INVOKE ((W)w, revents); 3339 EV_CB_INVOKE ((W)w, revents);
3289} 3340}
3290 3341
3291unsigned int 3342unsigned int
3292ev_pending_count (EV_P) EV_THROW 3343ev_pending_count (EV_P) EV_NOEXCEPT
3293{ 3344{
3294 int pri; 3345 int pri;
3295 unsigned int count = 0; 3346 unsigned int count = 0;
3296 3347
3297 for (pri = NUMPRI; pri--; ) 3348 for (pri = NUMPRI; pri--; )
… …
3304void 3355void
3305ev_invoke_pending (EV_P) 3356ev_invoke_pending (EV_P)
3306{ 3357{
3307 pendingpri = NUMPRI; 3358 pendingpri = NUMPRI;
3308 3359
3309 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ 3360 do
3310 { 3361 {
3311 --pendingpri; 3362 --pendingpri;
3312 3363
3364 /* pendingpri possibly gets modified in the inner loop */
3313 while (pendingcnt [pendingpri]) 3365 while (pendingcnt [pendingpri])
3314 { 3366 {
3315 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; 3367 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3316 3368
3317 p->w->pending = 0; 3369 p->w->pending = 0;
3318 EV_CB_INVOKE (p->w, p->events); 3370 EV_CB_INVOKE (p->w, p->events);
3319 EV_FREQUENT_CHECK; 3371 EV_FREQUENT_CHECK;
3320 } 3372 }
3321 } 3373 }
3374 while (pendingpri);
3322} 3375}
3323 3376
3324#if EV_IDLE_ENABLE 3377#if EV_IDLE_ENABLE
3325/* make idle watchers pending. this handles the "call-idle */ 3378/* make idle watchers pending. this handles the "call-idle */
3326/* only when higher priorities are idle" logic */ 3379/* only when higher priorities are idle" logic */
… …
3735 3788
3736 return activecnt; 3789 return activecnt;
3737} 3790}
3738 3791
3739void 3792void
3740ev_break (EV_P_ int how) EV_THROW 3793ev_break (EV_P_ int how) EV_NOEXCEPT
3741{ 3794{
3742 loop_done = how; 3795 loop_done = how;
3743} 3796}
3744 3797
3745void 3798void
3746ev_ref (EV_P) EV_THROW 3799ev_ref (EV_P) EV_NOEXCEPT
3747{ 3800{
3748 ++activecnt; 3801 ++activecnt;
3749} 3802}
3750 3803
3751void 3804void
3752ev_unref (EV_P) EV_THROW 3805ev_unref (EV_P) EV_NOEXCEPT
3753{ 3806{
3754 --activecnt; 3807 --activecnt;
3755} 3808}
3756 3809
3757void 3810void
3758ev_now_update (EV_P) EV_THROW 3811ev_now_update (EV_P) EV_NOEXCEPT
3759{ 3812{
3760 time_update (EV_A_ 1e100); 3813 time_update (EV_A_ 1e100);
3761} 3814}
3762 3815
3763void 3816void
3764ev_suspend (EV_P) EV_THROW 3817ev_suspend (EV_P) EV_NOEXCEPT
3765{ 3818{
3766 ev_now_update (EV_A); 3819 ev_now_update (EV_A);
3767} 3820}
3768 3821
3769void 3822void
3770ev_resume (EV_P) EV_THROW 3823ev_resume (EV_P) EV_NOEXCEPT
3771{ 3824{
3772 ev_tstamp mn_prev = mn_now; 3825 ev_tstamp mn_prev = mn_now;
3773 3826
3774 ev_now_update (EV_A); 3827 ev_now_update (EV_A);
3775 timers_reschedule (EV_A_ mn_now - mn_prev); 3828 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3814 w->pending = 0; 3867 w->pending = 0;
3815 } 3868 }
3816} 3869}
3817 3870
3818int 3871int
3819ev_clear_pending (EV_P_ void *w) EV_THROW 3872ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3820{ 3873{
3821 W w_ = (W)w; 3874 W w_ = (W)w;
3822 int pending = w_->pending; 3875 int pending = w_->pending;
3823 3876
3824 if (expect_true (pending)) 3877 if (expect_true (pending))
… …
3858 3911
3859/*****************************************************************************/ 3912/*****************************************************************************/
3860 3913
3861noinline 3914noinline
3862void 3915void
3863ev_io_start (EV_P_ ev_io *w) EV_THROW 3916ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3864{ 3917{
3865 int fd = w->fd; 3918 int fd = w->fd;
3866 3919
3867 if (expect_false (ev_is_active (w))) 3920 if (expect_false (ev_is_active (w)))
3868 return; 3921 return;
… …
3871 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 3924 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3872 3925
3873 EV_FREQUENT_CHECK; 3926 EV_FREQUENT_CHECK;
3874 3927
3875 ev_start (EV_A_ (W)w, 1); 3928 ev_start (EV_A_ (W)w, 1);
3876 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3929 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3877 wlist_add (&anfds[fd].head, (WL)w); 3930 wlist_add (&anfds[fd].head, (WL)w);
3878 3931
3879 /* common bug, apparently */ 3932 /* common bug, apparently */
3880 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); 3933 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3881 3934
… …
3885 EV_FREQUENT_CHECK; 3938 EV_FREQUENT_CHECK;
3886} 3939}
3887 3940
3888noinline 3941noinline
3889void 3942void
3890ev_io_stop (EV_P_ ev_io *w) EV_THROW 3943ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3891{ 3944{
3892 clear_pending (EV_A_ (W)w); 3945 clear_pending (EV_A_ (W)w);
3893 if (expect_false (!ev_is_active (w))) 3946 if (expect_false (!ev_is_active (w)))
3894 return; 3947 return;
3895 3948
… …
3905 EV_FREQUENT_CHECK; 3958 EV_FREQUENT_CHECK;
3906} 3959}
3907 3960
3908noinline 3961noinline
3909void 3962void
3910ev_timer_start (EV_P_ ev_timer *w) EV_THROW 3963ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3911{ 3964{
3912 if (expect_false (ev_is_active (w))) 3965 if (expect_false (ev_is_active (w)))
3913 return; 3966 return;
3914 3967
3915 ev_at (w) += mn_now; 3968 ev_at (w) += mn_now;
… …
3918 3971
3919 EV_FREQUENT_CHECK; 3972 EV_FREQUENT_CHECK;
3920 3973
3921 ++timercnt; 3974 ++timercnt;
3922 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 3975 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3923 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); 3976 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3924 ANHE_w (timers [ev_active (w)]) = (WT)w; 3977 ANHE_w (timers [ev_active (w)]) = (WT)w;
3925 ANHE_at_cache (timers [ev_active (w)]); 3978 ANHE_at_cache (timers [ev_active (w)]);
3926 upheap (timers, ev_active (w)); 3979 upheap (timers, ev_active (w));
3927 3980
3928 EV_FREQUENT_CHECK; 3981 EV_FREQUENT_CHECK;
… …
3930 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3983 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3931} 3984}
3932 3985
3933noinline 3986noinline
3934void 3987void
3935ev_timer_stop (EV_P_ ev_timer *w) EV_THROW 3988ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3936{ 3989{
3937 clear_pending (EV_A_ (W)w); 3990 clear_pending (EV_A_ (W)w);
3938 if (expect_false (!ev_is_active (w))) 3991 if (expect_false (!ev_is_active (w)))
3939 return; 3992 return;
3940 3993
… …
3961 EV_FREQUENT_CHECK; 4014 EV_FREQUENT_CHECK;
3962} 4015}
3963 4016
3964noinline 4017noinline
3965void 4018void
3966ev_timer_again (EV_P_ ev_timer *w) EV_THROW 4019ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3967{ 4020{
3968 EV_FREQUENT_CHECK; 4021 EV_FREQUENT_CHECK;
3969 4022
3970 clear_pending (EV_A_ (W)w); 4023 clear_pending (EV_A_ (W)w);
3971 4024
… …
3988 4041
3989 EV_FREQUENT_CHECK; 4042 EV_FREQUENT_CHECK;
3990} 4043}
3991 4044
3992ev_tstamp 4045ev_tstamp
3993ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW 4046ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3994{ 4047{
3995 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4048 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3996} 4049}
3997 4050
3998#if EV_PERIODIC_ENABLE 4051#if EV_PERIODIC_ENABLE
3999noinline 4052noinline
4000void 4053void
4001ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW 4054ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4002{ 4055{
4003 if (expect_false (ev_is_active (w))) 4056 if (expect_false (ev_is_active (w)))
4004 return; 4057 return;
4005 4058
4006 if (w->reschedule_cb) 4059 if (w->reschedule_cb)
… …
4015 4068
4016 EV_FREQUENT_CHECK; 4069 EV_FREQUENT_CHECK;
4017 4070
4018 ++periodiccnt; 4071 ++periodiccnt;
4019 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); 4072 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
4020 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); 4073 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
4021 ANHE_w (periodics [ev_active (w)]) = (WT)w; 4074 ANHE_w (periodics [ev_active (w)]) = (WT)w;
4022 ANHE_at_cache (periodics [ev_active (w)]); 4075 ANHE_at_cache (periodics [ev_active (w)]);
4023 upheap (periodics, ev_active (w)); 4076 upheap (periodics, ev_active (w));
4024 4077
4025 EV_FREQUENT_CHECK; 4078 EV_FREQUENT_CHECK;
… …
4027 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4080 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4028} 4081}
4029 4082
4030noinline 4083noinline
4031void 4084void
4032ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW 4085ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4033{ 4086{
4034 clear_pending (EV_A_ (W)w); 4087 clear_pending (EV_A_ (W)w);
4035 if (expect_false (!ev_is_active (w))) 4088 if (expect_false (!ev_is_active (w)))
4036 return; 4089 return;
4037 4090
… …
4056 EV_FREQUENT_CHECK; 4109 EV_FREQUENT_CHECK;
4057} 4110}
4058 4111
4059noinline 4112noinline
4060void 4113void
4061ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW 4114ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4062{ 4115{
4063 /* TODO: use adjustheap and recalculation */ 4116 /* TODO: use adjustheap and recalculation */
4064 ev_periodic_stop (EV_A_ w); 4117 ev_periodic_stop (EV_A_ w);
4065 ev_periodic_start (EV_A_ w); 4118 ev_periodic_start (EV_A_ w);
4066} 4119}
… …
4072 4125
4073#if EV_SIGNAL_ENABLE 4126#if EV_SIGNAL_ENABLE
4074 4127
4075noinline 4128noinline
4076void 4129void
4077ev_signal_start (EV_P_ ev_signal *w) EV_THROW 4130ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4078{ 4131{
4079 if (expect_false (ev_is_active (w))) 4132 if (expect_false (ev_is_active (w)))
4080 return; 4133 return;
4081 4134
4082 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4135 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
4155 EV_FREQUENT_CHECK; 4208 EV_FREQUENT_CHECK;
4156} 4209}
4157 4210
4158noinline 4211noinline
4159void 4212void
4160ev_signal_stop (EV_P_ ev_signal *w) EV_THROW 4213ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4161{ 4214{
4162 clear_pending (EV_A_ (W)w); 4215 clear_pending (EV_A_ (W)w);
4163 if (expect_false (!ev_is_active (w))) 4216 if (expect_false (!ev_is_active (w)))
4164 return; 4217 return;
4165 4218
… …
4196#endif 4249#endif
4197 4250
4198#if EV_CHILD_ENABLE 4251#if EV_CHILD_ENABLE
4199 4252
4200void 4253void
4201ev_child_start (EV_P_ ev_child *w) EV_THROW 4254ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4202{ 4255{
4203#if EV_MULTIPLICITY 4256#if EV_MULTIPLICITY
4204 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4257 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4205#endif 4258#endif
4206 if (expect_false (ev_is_active (w))) 4259 if (expect_false (ev_is_active (w)))
… …
4213 4266
4214 EV_FREQUENT_CHECK; 4267 EV_FREQUENT_CHECK;
4215} 4268}
4216 4269
4217void 4270void
4218ev_child_stop (EV_P_ ev_child *w) EV_THROW 4271ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4219{ 4272{
4220 clear_pending (EV_A_ (W)w); 4273 clear_pending (EV_A_ (W)w);
4221 if (expect_false (!ev_is_active (w))) 4274 if (expect_false (!ev_is_active (w)))
4222 return; 4275 return;
4223 4276
… …
4488#else 4541#else
4489# define EV_LSTAT(p,b) lstat (p, b) 4542# define EV_LSTAT(p,b) lstat (p, b)
4490#endif 4543#endif
4491 4544
4492void 4545void
4493ev_stat_stat (EV_P_ ev_stat *w) EV_THROW 4546ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4494{ 4547{
4495 if (lstat (w->path, &w->attr) < 0) 4548 if (lstat (w->path, &w->attr) < 0)
4496 w->attr.st_nlink = 0; 4549 w->attr.st_nlink = 0;
4497 else if (!w->attr.st_nlink) 4550 else if (!w->attr.st_nlink)
4498 w->attr.st_nlink = 1; 4551 w->attr.st_nlink = 1;
… …
4538 ev_feed_event (EV_A_ w, EV_STAT); 4591 ev_feed_event (EV_A_ w, EV_STAT);
4539 } 4592 }
4540} 4593}
4541 4594
4542void 4595void
4543ev_stat_start (EV_P_ ev_stat *w) EV_THROW 4596ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4544{ 4597{
4545 if (expect_false (ev_is_active (w))) 4598 if (expect_false (ev_is_active (w)))
4546 return; 4599 return;
4547 4600
4548 ev_stat_stat (EV_A_ w); 4601 ev_stat_stat (EV_A_ w);
… …
4569 4622
4570 EV_FREQUENT_CHECK; 4623 EV_FREQUENT_CHECK;
4571} 4624}
4572 4625
4573void 4626void
4574ev_stat_stop (EV_P_ ev_stat *w) EV_THROW 4627ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4575{ 4628{
4576 clear_pending (EV_A_ (W)w); 4629 clear_pending (EV_A_ (W)w);
4577 if (expect_false (!ev_is_active (w))) 4630 if (expect_false (!ev_is_active (w)))
4578 return; 4631 return;
4579 4632
… …
4595} 4648}
4596#endif 4649#endif
4597 4650
4598#if EV_IDLE_ENABLE 4651#if EV_IDLE_ENABLE
4599void 4652void
4600ev_idle_start (EV_P_ ev_idle *w) EV_THROW 4653ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4601{ 4654{
4602 if (expect_false (ev_is_active (w))) 4655 if (expect_false (ev_is_active (w)))
4603 return; 4656 return;
4604 4657
4605 pri_adjust (EV_A_ (W)w); 4658 pri_adjust (EV_A_ (W)w);
… …
4610 int active = ++idlecnt [ABSPRI (w)]; 4663 int active = ++idlecnt [ABSPRI (w)];
4611 4664
4612 ++idleall; 4665 ++idleall;
4613 ev_start (EV_A_ (W)w, active); 4666 ev_start (EV_A_ (W)w, active);
4614 4667
4615 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 4668 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4616 idles [ABSPRI (w)][active - 1] = w; 4669 idles [ABSPRI (w)][active - 1] = w;
4617 } 4670 }
4618 4671
4619 EV_FREQUENT_CHECK; 4672 EV_FREQUENT_CHECK;
4620} 4673}
4621 4674
4622void 4675void
4623ev_idle_stop (EV_P_ ev_idle *w) EV_THROW 4676ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4624{ 4677{
4625 clear_pending (EV_A_ (W)w); 4678 clear_pending (EV_A_ (W)w);
4626 if (expect_false (!ev_is_active (w))) 4679 if (expect_false (!ev_is_active (w)))
4627 return; 4680 return;
4628 4681
… …
4642} 4695}
4643#endif 4696#endif
4644 4697
4645#if EV_PREPARE_ENABLE 4698#if EV_PREPARE_ENABLE
4646void 4699void
4647ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW 4700ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4648{ 4701{
4649 if (expect_false (ev_is_active (w))) 4702 if (expect_false (ev_is_active (w)))
4650 return; 4703 return;
4651 4704
4652 EV_FREQUENT_CHECK; 4705 EV_FREQUENT_CHECK;
4653 4706
4654 ev_start (EV_A_ (W)w, ++preparecnt); 4707 ev_start (EV_A_ (W)w, ++preparecnt);
4655 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 4708 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4656 prepares [preparecnt - 1] = w; 4709 prepares [preparecnt - 1] = w;
4657 4710
4658 EV_FREQUENT_CHECK; 4711 EV_FREQUENT_CHECK;
4659} 4712}
4660 4713
4661void 4714void
4662ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW 4715ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4663{ 4716{
4664 clear_pending (EV_A_ (W)w); 4717 clear_pending (EV_A_ (W)w);
4665 if (expect_false (!ev_is_active (w))) 4718 if (expect_false (!ev_is_active (w)))
4666 return; 4719 return;
4667 4720
… …
4680} 4733}
4681#endif 4734#endif
4682 4735
4683#if EV_CHECK_ENABLE 4736#if EV_CHECK_ENABLE
4684void 4737void
4685ev_check_start (EV_P_ ev_check *w) EV_THROW 4738ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4686{ 4739{
4687 if (expect_false (ev_is_active (w))) 4740 if (expect_false (ev_is_active (w)))
4688 return; 4741 return;
4689 4742
4690 EV_FREQUENT_CHECK; 4743 EV_FREQUENT_CHECK;
4691 4744
4692 ev_start (EV_A_ (W)w, ++checkcnt); 4745 ev_start (EV_A_ (W)w, ++checkcnt);
4693 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 4746 array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4694 checks [checkcnt - 1] = w; 4747 checks [checkcnt - 1] = w;
4695 4748
4696 EV_FREQUENT_CHECK; 4749 EV_FREQUENT_CHECK;
4697} 4750}
4698 4751
4699void 4752void
4700ev_check_stop (EV_P_ ev_check *w) EV_THROW 4753ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4701{ 4754{
4702 clear_pending (EV_A_ (W)w); 4755 clear_pending (EV_A_ (W)w);
4703 if (expect_false (!ev_is_active (w))) 4756 if (expect_false (!ev_is_active (w)))
4704 return; 4757 return;
4705 4758
… …
4719#endif 4772#endif
4720 4773
4721#if EV_EMBED_ENABLE 4774#if EV_EMBED_ENABLE
4722noinline 4775noinline
4723void 4776void
4724ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW 4777ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4725{ 4778{
4726 ev_run (w->other, EVRUN_NOWAIT); 4779 ev_run (w->other, EVRUN_NOWAIT);
4727} 4780}
4728 4781
4729static void 4782static void
… …
4777 ev_idle_stop (EV_A_ idle); 4830 ev_idle_stop (EV_A_ idle);
4778} 4831}
4779#endif 4832#endif
4780 4833
4781void 4834void
4782ev_embed_start (EV_P_ ev_embed *w) EV_THROW 4835ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4783{ 4836{
4784 if (expect_false (ev_is_active (w))) 4837 if (expect_false (ev_is_active (w)))
4785 return; 4838 return;
4786 4839
4787 { 4840 {
… …
4808 4861
4809 EV_FREQUENT_CHECK; 4862 EV_FREQUENT_CHECK;
4810} 4863}
4811 4864
4812void 4865void
4813ev_embed_stop (EV_P_ ev_embed *w) EV_THROW 4866ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4814{ 4867{
4815 clear_pending (EV_A_ (W)w); 4868 clear_pending (EV_A_ (W)w);
4816 if (expect_false (!ev_is_active (w))) 4869 if (expect_false (!ev_is_active (w)))
4817 return; 4870 return;
4818 4871
… …
4828} 4881}
4829#endif 4882#endif
4830 4883
4831#if EV_FORK_ENABLE 4884#if EV_FORK_ENABLE
4832void 4885void
4833ev_fork_start (EV_P_ ev_fork *w) EV_THROW 4886ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4834{ 4887{
4835 if (expect_false (ev_is_active (w))) 4888 if (expect_false (ev_is_active (w)))
4836 return; 4889 return;
4837 4890
4838 EV_FREQUENT_CHECK; 4891 EV_FREQUENT_CHECK;
4839 4892
4840 ev_start (EV_A_ (W)w, ++forkcnt); 4893 ev_start (EV_A_ (W)w, ++forkcnt);
4841 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 4894 array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4842 forks [forkcnt - 1] = w; 4895 forks [forkcnt - 1] = w;
4843 4896
4844 EV_FREQUENT_CHECK; 4897 EV_FREQUENT_CHECK;
4845} 4898}
4846 4899
4847void 4900void
4848ev_fork_stop (EV_P_ ev_fork *w) EV_THROW 4901ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4849{ 4902{
4850 clear_pending (EV_A_ (W)w); 4903 clear_pending (EV_A_ (W)w);
4851 if (expect_false (!ev_is_active (w))) 4904 if (expect_false (!ev_is_active (w)))
4852 return; 4905 return;
4853 4906
… …
4866} 4919}
4867#endif 4920#endif
4868 4921
4869#if EV_CLEANUP_ENABLE 4922#if EV_CLEANUP_ENABLE
4870void 4923void
4871ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW 4924ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4872{ 4925{
4873 if (expect_false (ev_is_active (w))) 4926 if (expect_false (ev_is_active (w)))
4874 return; 4927 return;
4875 4928
4876 EV_FREQUENT_CHECK; 4929 EV_FREQUENT_CHECK;
4877 4930
4878 ev_start (EV_A_ (W)w, ++cleanupcnt); 4931 ev_start (EV_A_ (W)w, ++cleanupcnt);
4879 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); 4932 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4880 cleanups [cleanupcnt - 1] = w; 4933 cleanups [cleanupcnt - 1] = w;
4881 4934
4882 /* cleanup watchers should never keep a refcount on the loop */ 4935 /* cleanup watchers should never keep a refcount on the loop */
4883 ev_unref (EV_A); 4936 ev_unref (EV_A);
4884 EV_FREQUENT_CHECK; 4937 EV_FREQUENT_CHECK;
4885} 4938}
4886 4939
4887void 4940void
4888ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW 4941ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4889{ 4942{
4890 clear_pending (EV_A_ (W)w); 4943 clear_pending (EV_A_ (W)w);
4891 if (expect_false (!ev_is_active (w))) 4944 if (expect_false (!ev_is_active (w)))
4892 return; 4945 return;
4893 4946
… …
4907} 4960}
4908#endif 4961#endif
4909 4962
4910#if EV_ASYNC_ENABLE 4963#if EV_ASYNC_ENABLE
4911void 4964void
4912ev_async_start (EV_P_ ev_async *w) EV_THROW 4965ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4913{ 4966{
4914 if (expect_false (ev_is_active (w))) 4967 if (expect_false (ev_is_active (w)))
4915 return; 4968 return;
4916 4969
4917 w->sent = 0; 4970 w->sent = 0;
… …
4919 evpipe_init (EV_A); 4972 evpipe_init (EV_A);
4920 4973
4921 EV_FREQUENT_CHECK; 4974 EV_FREQUENT_CHECK;
4922 4975
4923 ev_start (EV_A_ (W)w, ++asynccnt); 4976 ev_start (EV_A_ (W)w, ++asynccnt);
4924 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 4977 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4925 asyncs [asynccnt - 1] = w; 4978 asyncs [asynccnt - 1] = w;
4926 4979
4927 EV_FREQUENT_CHECK; 4980 EV_FREQUENT_CHECK;
4928} 4981}
4929 4982
4930void 4983void
4931ev_async_stop (EV_P_ ev_async *w) EV_THROW 4984ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4932{ 4985{
4933 clear_pending (EV_A_ (W)w); 4986 clear_pending (EV_A_ (W)w);
4934 if (expect_false (!ev_is_active (w))) 4987 if (expect_false (!ev_is_active (w)))
4935 return; 4988 return;
4936 4989
… …
4947 5000
4948 EV_FREQUENT_CHECK; 5001 EV_FREQUENT_CHECK;
4949} 5002}
4950 5003
4951void 5004void
4952ev_async_send (EV_P_ ev_async *w) EV_THROW 5005ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4953{ 5006{
4954 w->sent = 1; 5007 w->sent = 1;
4955 evpipe_write (EV_A_ &async_pending); 5008 evpipe_write (EV_A_ &async_pending);
4956} 5009}
4957#endif 5010#endif
… …
4994 5047
4995 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 5048 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4996} 5049}
4997 5050
4998void 5051void
4999ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW 5052ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
5000{ 5053{
5001 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 5054 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 5055
5009 once->cb = cb; 5056 once->cb = cb;
5010 once->arg = arg; 5057 once->arg = arg;
5011 5058
5012 ev_init (&once->io, once_cb_io); 5059 ev_init (&once->io, once_cb_io);
… …
5027/*****************************************************************************/ 5074/*****************************************************************************/
5028 5075
5029#if EV_WALK_ENABLE 5076#if EV_WALK_ENABLE
5030ecb_cold 5077ecb_cold
5031void 5078void
5032ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW 5079ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
5033{ 5080{
5034 int i, j; 5081 int i, j;
5035 ev_watcher_list *wl, *wn; 5082 ev_watcher_list *wl, *wn;
5036 5083
5037 if (types & (EV_IO | EV_EMBED)) 5084 if (types & (EV_IO | EV_EMBED))

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