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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 1.491 by root, Thu Jun 20 23:14:53 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# define EV_USE_LINUXAIO 0
331#endif
332
320#ifndef EV_USE_INOTIFY 333#ifndef EV_USE_INOTIFY
321# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 334# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
322# define EV_USE_INOTIFY EV_FEATURE_OS 335# define EV_USE_INOTIFY EV_FEATURE_OS
323# else 336# else
324# define EV_USE_INOTIFY 0 337# define EV_USE_INOTIFY 0
… …
379/* aix's poll.h seems to cause lots of trouble */ 392/* aix's poll.h seems to cause lots of trouble */
380#ifdef _AIX 393#ifdef _AIX
381/* AIX has a completely broken poll.h header */ 394/* AIX has a completely broken poll.h header */
382# undef EV_USE_POLL 395# undef EV_USE_POLL
383# define EV_USE_POLL 0 396# define EV_USE_POLL 0
397#endif
398
399#if EV_USE_LINUXAIO
400# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
384#endif 401#endif
385 402
386/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 403/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
387/* which makes programs even slower. might work on other unices, too. */ 404/* which makes programs even slower. might work on other unices, too. */
388#if EV_USE_CLOCK_SYSCALL 405#if EV_USE_CLOCK_SYSCALL
… …
416 433
417#if !EV_USE_NANOSLEEP 434#if !EV_USE_NANOSLEEP
418/* hp-ux has it in sys/time.h, which we unconditionally include above */ 435/* hp-ux has it in sys/time.h, which we unconditionally include above */
419# if !defined _WIN32 && !defined __hpux 436# if !defined _WIN32 && !defined __hpux
420# include <sys/select.h> 437# include <sys/select.h>
438# endif
439#endif
440
441#if EV_USE_LINUXAIO
442# include <sys/syscall.h>
443# if !SYS_io_getevents
444# undef EV_USE_LINUXAIO
445# define EV_USE_LINUXAIO 0
421# endif 446# endif
422#endif 447#endif
423 448
424#if EV_USE_INOTIFY 449#if EV_USE_INOTIFY
425# include <sys/statfs.h> 450# include <sys/statfs.h>
… …
609 #define ECB_CLANG_EXTENSION(x) 0 634 #define ECB_CLANG_EXTENSION(x) 0
610#endif 635#endif
611 636
612#define ECB_CPP (__cplusplus+0) 637#define ECB_CPP (__cplusplus+0)
613#define ECB_CPP11 (__cplusplus >= 201103L) 638#define ECB_CPP11 (__cplusplus >= 201103L)
639#define ECB_CPP14 (__cplusplus >= 201402L)
640#define ECB_CPP17 (__cplusplus >= 201703L)
614 641
615#if ECB_CPP 642#if ECB_CPP
616 #define ECB_C 0 643 #define ECB_C 0
617 #define ECB_STDC_VERSION 0 644 #define ECB_STDC_VERSION 0
618#else 645#else
… …
620 #define ECB_STDC_VERSION __STDC_VERSION__ 647 #define ECB_STDC_VERSION __STDC_VERSION__
621#endif 648#endif
622 649
623#define ECB_C99 (ECB_STDC_VERSION >= 199901L) 650#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
624#define ECB_C11 (ECB_STDC_VERSION >= 201112L) 651#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
652#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
625 653
626#if ECB_CPP 654#if ECB_CPP
627 #define ECB_EXTERN_C extern "C" 655 #define ECB_EXTERN_C extern "C"
628 #define ECB_EXTERN_C_BEG ECB_EXTERN_C { 656 #define ECB_EXTERN_C_BEG ECB_EXTERN_C {
629 #define ECB_EXTERN_C_END } 657 #define ECB_EXTERN_C_END }
… …
658#ifndef ECB_MEMORY_FENCE 686#ifndef ECB_MEMORY_FENCE
659 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 687 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
660 #if __i386 || __i386__ 688 #if __i386 || __i386__
661 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 689 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
662 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 690 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
663 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 691 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
664 #elif ECB_GCC_AMD64 692 #elif ECB_GCC_AMD64
665 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 693 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
666 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 694 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
667 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 695 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
668 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 696 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
669 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 697 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
670 #elif defined __ARM_ARCH_2__ \ 698 #elif defined __ARM_ARCH_2__ \
671 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ 699 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
672 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ 700 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
… …
1540# define ABSPRI(w) (((W)w), 0) 1568# define ABSPRI(w) (((W)w), 0)
1541#else 1569#else
1542# define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 1570# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1543#endif 1571#endif
1544 1572
1545#define EMPTY /* required for microsofts broken pseudo-c compiler */ 1573#define EMPTY /* required for microsofts broken pseudo-c compiler */
1546#define EMPTY2(a,b) /* used to suppress some warnings */
1547 1574
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
… …
1677{ 1704{
1678 write (STDERR_FILENO, msg, strlen (msg)); 1705 write (STDERR_FILENO, msg, strlen (msg));
1679} 1706}
1680#endif 1707#endif
1681 1708
1682static void (*syserr_cb)(const char *msg) EV_THROW; 1709static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1683 1710
1684ecb_cold 1711ecb_cold
1685void 1712void
1686ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW 1713ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1687{ 1714{
1688 syserr_cb = cb; 1715 syserr_cb = cb;
1689} 1716}
1690 1717
1691noinline ecb_cold 1718noinline ecb_cold
… …
1710 abort (); 1737 abort ();
1711 } 1738 }
1712} 1739}
1713 1740
1714static void * 1741static void *
1715ev_realloc_emul (void *ptr, long size) EV_THROW 1742ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1716{ 1743{
1717 /* some systems, notably openbsd and darwin, fail to properly 1744 /* some systems, notably openbsd and darwin, fail to properly
1718 * implement realloc (x, 0) (as required by both ansi c-89 and 1745 * implement realloc (x, 0) (as required by both ansi c-89 and
1719 * the single unix specification, so work around them here. 1746 * the single unix specification, so work around them here.
1720 * recently, also (at least) fedora and debian started breaking it, 1747 * recently, also (at least) fedora and debian started breaking it,
… …
1726 1753
1727 free (ptr); 1754 free (ptr);
1728 return 0; 1755 return 0;
1729} 1756}
1730 1757
1731static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; 1758static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1732 1759
1733ecb_cold 1760ecb_cold
1734void 1761void
1735ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW 1762ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1736{ 1763{
1737 alloc = cb; 1764 alloc = cb;
1738} 1765}
1739 1766
1740inline_speed void * 1767inline_speed void *
… …
1767typedef struct 1794typedef struct
1768{ 1795{
1769 WL head; 1796 WL head;
1770 unsigned char events; /* the events watched for */ 1797 unsigned char events; /* the events watched for */
1771 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ 1798 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1772 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 1799 unsigned char emask; /* some backends store the actual kernel mask in here */
1773 unsigned char unused; 1800 unsigned char unused;
1774#if EV_USE_EPOLL 1801#if EV_USE_EPOLL
1775 unsigned int egen; /* generation counter to counter epoll bugs */ 1802 unsigned int egen; /* generation counter to counter epoll bugs */
1776#endif 1803#endif
1777#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 1804#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
… …
1857 1884
1858/*****************************************************************************/ 1885/*****************************************************************************/
1859 1886
1860#ifndef EV_HAVE_EV_TIME 1887#ifndef EV_HAVE_EV_TIME
1861ev_tstamp 1888ev_tstamp
1862ev_time (void) EV_THROW 1889ev_time (void) EV_NOEXCEPT
1863{ 1890{
1864#if EV_USE_REALTIME 1891#if EV_USE_REALTIME
1865 if (expect_true (have_realtime)) 1892 if (expect_true (have_realtime))
1866 { 1893 {
1867 struct timespec ts; 1894 struct timespec ts;
… …
1891 return ev_time (); 1918 return ev_time ();
1892} 1919}
1893 1920
1894#if EV_MULTIPLICITY 1921#if EV_MULTIPLICITY
1895ev_tstamp 1922ev_tstamp
1896ev_now (EV_P) EV_THROW 1923ev_now (EV_P) EV_NOEXCEPT
1897{ 1924{
1898 return ev_rt_now; 1925 return ev_rt_now;
1899} 1926}
1900#endif 1927#endif
1901 1928
1902void 1929void
1903ev_sleep (ev_tstamp delay) EV_THROW 1930ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1904{ 1931{
1905 if (delay > 0.) 1932 if (delay > 0.)
1906 { 1933 {
1907#if EV_USE_NANOSLEEP 1934#if EV_USE_NANOSLEEP
1908 struct timespec ts; 1935 struct timespec ts;
… …
1958{ 1985{
1959 *cur = array_nextsize (elem, *cur, cnt); 1986 *cur = array_nextsize (elem, *cur, cnt);
1960 return ev_realloc (base, elem * *cur); 1987 return ev_realloc (base, elem * *cur);
1961} 1988}
1962 1989
1990#define array_needsize_noinit(base,count)
1991
1963#define array_init_zero(base,count) \ 1992#define array_needsize_zerofill(base,count) \
1964 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1993 memset ((void *)(base), 0, sizeof (*(base)) * (count))
1965 1994
1966#define array_needsize(type,base,cur,cnt,init) \ 1995#define array_needsize(type,base,cur,cnt,init) \
1967 if (expect_false ((cnt) > (cur))) \ 1996 if (expect_false ((cnt) > (cur))) \
1968 { \ 1997 { \
… …
1994{ 2023{
1995} 2024}
1996 2025
1997noinline 2026noinline
1998void 2027void
1999ev_feed_event (EV_P_ void *w, int revents) EV_THROW 2028ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
2000{ 2029{
2001 W w_ = (W)w; 2030 W w_ = (W)w;
2002 int pri = ABSPRI (w_); 2031 int pri = ABSPRI (w_);
2003 2032
2004 if (expect_false (w_->pending)) 2033 if (expect_false (w_->pending))
2005 pendings [pri][w_->pending - 1].events |= revents; 2034 pendings [pri][w_->pending - 1].events |= revents;
2006 else 2035 else
2007 { 2036 {
2008 w_->pending = ++pendingcnt [pri]; 2037 w_->pending = ++pendingcnt [pri];
2009 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 2038 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
2010 pendings [pri][w_->pending - 1].w = w_; 2039 pendings [pri][w_->pending - 1].w = w_;
2011 pendings [pri][w_->pending - 1].events = revents; 2040 pendings [pri][w_->pending - 1].events = revents;
2012 } 2041 }
2013 2042
2014 pendingpri = NUMPRI - 1; 2043 pendingpri = NUMPRI - 1;
2015} 2044}
2016 2045
2017inline_speed void 2046inline_speed void
2018feed_reverse (EV_P_ W w) 2047feed_reverse (EV_P_ W w)
2019{ 2048{
2020 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); 2049 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
2021 rfeeds [rfeedcnt++] = w; 2050 rfeeds [rfeedcnt++] = w;
2022} 2051}
2023 2052
2024inline_size void 2053inline_size void
2025feed_reverse_done (EV_P_ int revents) 2054feed_reverse_done (EV_P_ int revents)
… …
2065 if (expect_true (!anfd->reify)) 2094 if (expect_true (!anfd->reify))
2066 fd_event_nocheck (EV_A_ fd, revents); 2095 fd_event_nocheck (EV_A_ fd, revents);
2067} 2096}
2068 2097
2069void 2098void
2070ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW 2099ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
2071{ 2100{
2072 if (fd >= 0 && fd < anfdmax) 2101 if (fd >= 0 && fd < anfdmax)
2073 fd_event_nocheck (EV_A_ fd, revents); 2102 fd_event_nocheck (EV_A_ fd, revents);
2074} 2103}
2075 2104
… …
2143 anfds [fd].reify |= flags; 2172 anfds [fd].reify |= flags;
2144 2173
2145 if (expect_true (!reify)) 2174 if (expect_true (!reify))
2146 { 2175 {
2147 ++fdchangecnt; 2176 ++fdchangecnt;
2148 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 2177 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2149 fdchanges [fdchangecnt - 1] = fd; 2178 fdchanges [fdchangecnt - 1] = fd;
2150 } 2179 }
2151} 2180}
2152 2181
2153/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 2182/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
… …
2475#endif 2504#endif
2476 { 2505 {
2477#ifdef _WIN32 2506#ifdef _WIN32
2478 WSABUF buf; 2507 WSABUF buf;
2479 DWORD sent; 2508 DWORD sent;
2480 buf.buf = &buf; 2509 buf.buf = (char *)&buf;
2481 buf.len = 1; 2510 buf.len = 1;
2482 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); 2511 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2483#else 2512#else
2484 write (evpipe [1], &(evpipe [1]), 1); 2513 write (evpipe [1], &(evpipe [1]), 1);
2485#endif 2514#endif
… …
2557} 2586}
2558 2587
2559/*****************************************************************************/ 2588/*****************************************************************************/
2560 2589
2561void 2590void
2562ev_feed_signal (int signum) EV_THROW 2591ev_feed_signal (int signum) EV_NOEXCEPT
2563{ 2592{
2564#if EV_MULTIPLICITY 2593#if EV_MULTIPLICITY
2565 EV_P; 2594 EV_P;
2566 ECB_MEMORY_FENCE_ACQUIRE; 2595 ECB_MEMORY_FENCE_ACQUIRE;
2567 EV_A = signals [signum - 1].loop; 2596 EV_A = signals [signum - 1].loop;
… …
2584 ev_feed_signal (signum); 2613 ev_feed_signal (signum);
2585} 2614}
2586 2615
2587noinline 2616noinline
2588void 2617void
2589ev_feed_signal_event (EV_P_ int signum) EV_THROW 2618ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2590{ 2619{
2591 WL w; 2620 WL w;
2592 2621
2593 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2622 if (expect_false (signum <= 0 || signum >= EV_NSIG))
2594 return; 2623 return;
… …
2700# include "ev_port.c" 2729# include "ev_port.c"
2701#endif 2730#endif
2702#if EV_USE_KQUEUE 2731#if EV_USE_KQUEUE
2703# include "ev_kqueue.c" 2732# include "ev_kqueue.c"
2704#endif 2733#endif
2734#if EV_USE_LINUXAIO
2735# include "ev_linuxaio.c"
2736#endif
2705#if EV_USE_EPOLL 2737#if EV_USE_EPOLL
2706# include "ev_epoll.c" 2738# include "ev_epoll.c"
2707#endif 2739#endif
2708#if EV_USE_POLL 2740#if EV_USE_POLL
2709# include "ev_poll.c" 2741# include "ev_poll.c"
… …
2711#if EV_USE_SELECT 2743#if EV_USE_SELECT
2712# include "ev_select.c" 2744# include "ev_select.c"
2713#endif 2745#endif
2714 2746
2715ecb_cold int 2747ecb_cold int
2716ev_version_major (void) EV_THROW 2748ev_version_major (void) EV_NOEXCEPT
2717{ 2749{
2718 return EV_VERSION_MAJOR; 2750 return EV_VERSION_MAJOR;
2719} 2751}
2720 2752
2721ecb_cold int 2753ecb_cold int
2722ev_version_minor (void) EV_THROW 2754ev_version_minor (void) EV_NOEXCEPT
2723{ 2755{
2724 return EV_VERSION_MINOR; 2756 return EV_VERSION_MINOR;
2725} 2757}
2726 2758
2727/* return true if we are running with elevated privileges and should ignore env variables */ 2759/* return true if we are running with elevated privileges and should ignore env variables */
… …
2736#endif 2768#endif
2737} 2769}
2738 2770
2739ecb_cold 2771ecb_cold
2740unsigned int 2772unsigned int
2741ev_supported_backends (void) EV_THROW 2773ev_supported_backends (void) EV_NOEXCEPT
2742{ 2774{
2743 unsigned int flags = 0; 2775 unsigned int flags = 0;
2744 2776
2745 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2777 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2746 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2778 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2747 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2779 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2780 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2748 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2781 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2749 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2782 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2750 2783
2751 return flags; 2784 return flags;
2752} 2785}
2753 2786
2754ecb_cold 2787ecb_cold
2755unsigned int 2788unsigned int
2756ev_recommended_backends (void) EV_THROW 2789ev_recommended_backends (void) EV_NOEXCEPT
2757{ 2790{
2758 unsigned int flags = ev_supported_backends (); 2791 unsigned int flags = ev_supported_backends ();
2759 2792
2760#ifndef __NetBSD__ 2793#ifndef __NetBSD__
2761 /* kqueue is borked on everything but netbsd apparently */ 2794 /* kqueue is borked on everything but netbsd apparently */
… …
2769#endif 2802#endif
2770#ifdef __FreeBSD__ 2803#ifdef __FreeBSD__
2771 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ 2804 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2772#endif 2805#endif
2773 2806
2807 /* TODO: linuxaio is very experimental */
2808 flags &= ~EVBACKEND_LINUXAIO;
2809
2774 return flags; 2810 return flags;
2775} 2811}
2776 2812
2777ecb_cold 2813ecb_cold
2778unsigned int 2814unsigned int
2779ev_embeddable_backends (void) EV_THROW 2815ev_embeddable_backends (void) EV_NOEXCEPT
2780{ 2816{
2781 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2817 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2782 2818
2783 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2819 /* 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 */ 2820 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2786 2822
2787 return flags; 2823 return flags;
2788} 2824}
2789 2825
2790unsigned int 2826unsigned int
2791ev_backend (EV_P) EV_THROW 2827ev_backend (EV_P) EV_NOEXCEPT
2792{ 2828{
2793 return backend; 2829 return backend;
2794} 2830}
2795 2831
2796#if EV_FEATURE_API 2832#if EV_FEATURE_API
2797unsigned int 2833unsigned int
2798ev_iteration (EV_P) EV_THROW 2834ev_iteration (EV_P) EV_NOEXCEPT
2799{ 2835{
2800 return loop_count; 2836 return loop_count;
2801} 2837}
2802 2838
2803unsigned int 2839unsigned int
2804ev_depth (EV_P) EV_THROW 2840ev_depth (EV_P) EV_NOEXCEPT
2805{ 2841{
2806 return loop_depth; 2842 return loop_depth;
2807} 2843}
2808 2844
2809void 2845void
2810ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2846ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2811{ 2847{
2812 io_blocktime = interval; 2848 io_blocktime = interval;
2813} 2849}
2814 2850
2815void 2851void
2816ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2852ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2817{ 2853{
2818 timeout_blocktime = interval; 2854 timeout_blocktime = interval;
2819} 2855}
2820 2856
2821void 2857void
2822ev_set_userdata (EV_P_ void *data) EV_THROW 2858ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2823{ 2859{
2824 userdata = data; 2860 userdata = data;
2825} 2861}
2826 2862
2827void * 2863void *
2828ev_userdata (EV_P) EV_THROW 2864ev_userdata (EV_P) EV_NOEXCEPT
2829{ 2865{
2830 return userdata; 2866 return userdata;
2831} 2867}
2832 2868
2833void 2869void
2834ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW 2870ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2835{ 2871{
2836 invoke_cb = invoke_pending_cb; 2872 invoke_cb = invoke_pending_cb;
2837} 2873}
2838 2874
2839void 2875void
2840ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW 2876ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2841{ 2877{
2842 release_cb = release; 2878 release_cb = release;
2843 acquire_cb = acquire; 2879 acquire_cb = acquire;
2844} 2880}
2845#endif 2881#endif
2846 2882
2847/* initialise a loop structure, must be zero-initialised */ 2883/* initialise a loop structure, must be zero-initialised */
2848noinline ecb_cold 2884noinline ecb_cold
2849static void 2885static void
2850loop_init (EV_P_ unsigned int flags) EV_THROW 2886loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2851{ 2887{
2852 if (!backend) 2888 if (!backend)
2853 { 2889 {
2854 origflags = flags; 2890 origflags = flags;
2855 2891
… …
2913 2949
2914 if (!(flags & EVBACKEND_MASK)) 2950 if (!(flags & EVBACKEND_MASK))
2915 flags |= ev_recommended_backends (); 2951 flags |= ev_recommended_backends ();
2916 2952
2917#if EV_USE_IOCP 2953#if EV_USE_IOCP
2918 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 2954 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2919#endif 2955#endif
2920#if EV_USE_PORT 2956#if EV_USE_PORT
2921 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 2957 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2922#endif 2958#endif
2923#if EV_USE_KQUEUE 2959#if EV_USE_KQUEUE
2924 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 2960 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2961#endif
2962#if EV_USE_LINUXAIO
2963 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2925#endif 2964#endif
2926#if EV_USE_EPOLL 2965#if EV_USE_EPOLL
2927 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 2966 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2928#endif 2967#endif
2929#if EV_USE_POLL 2968#if EV_USE_POLL
2930 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); 2969 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2931#endif 2970#endif
2932#if EV_USE_SELECT 2971#if EV_USE_SELECT
2933 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 2972 if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2934#endif 2973#endif
2935 2974
2936 ev_prepare_init (&pending_w, pendingcb); 2975 ev_prepare_init (&pending_w, pendingcb);
2937 2976
2938#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2977#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
… …
2993 3032
2994 if (backend_fd >= 0) 3033 if (backend_fd >= 0)
2995 close (backend_fd); 3034 close (backend_fd);
2996 3035
2997#if EV_USE_IOCP 3036#if EV_USE_IOCP
2998 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); 3037 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2999#endif 3038#endif
3000#if EV_USE_PORT 3039#if EV_USE_PORT
3001 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3040 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3002#endif 3041#endif
3003#if EV_USE_KQUEUE 3042#if EV_USE_KQUEUE
3004 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 3043 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3044#endif
3045#if EV_USE_LINUXAIO
3046 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3005#endif 3047#endif
3006#if EV_USE_EPOLL 3048#if EV_USE_EPOLL
3007 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); 3049 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
3008#endif 3050#endif
3009#if EV_USE_POLL 3051#if EV_USE_POLL
3010 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); 3052 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
3011#endif 3053#endif
3012#if EV_USE_SELECT 3054#if EV_USE_SELECT
3013 if (backend == EVBACKEND_SELECT) select_destroy (EV_A); 3055 if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
3014#endif 3056#endif
3015 3057
3016 for (i = NUMPRI; i--; ) 3058 for (i = NUMPRI; i--; )
3017 { 3059 {
3018 array_free (pending, [i]); 3060 array_free (pending, [i]);
… …
3060 3102
3061inline_size void 3103inline_size void
3062loop_fork (EV_P) 3104loop_fork (EV_P)
3063{ 3105{
3064#if EV_USE_PORT 3106#if EV_USE_PORT
3065 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3107 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3066#endif 3108#endif
3067#if EV_USE_KQUEUE 3109#if EV_USE_KQUEUE
3068 if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); 3110 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3111#endif
3112#if EV_USE_LINUXAIO
3113 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3069#endif 3114#endif
3070#if EV_USE_EPOLL 3115#if EV_USE_EPOLL
3071 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3116 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
3072#endif 3117#endif
3073#if EV_USE_INOTIFY 3118#if EV_USE_INOTIFY
3074 infy_fork (EV_A); 3119 infy_fork (EV_A);
3075#endif 3120#endif
3076 3121
… …
3096 3141
3097#if EV_MULTIPLICITY 3142#if EV_MULTIPLICITY
3098 3143
3099ecb_cold 3144ecb_cold
3100struct ev_loop * 3145struct ev_loop *
3101ev_loop_new (unsigned int flags) EV_THROW 3146ev_loop_new (unsigned int flags) EV_NOEXCEPT
3102{ 3147{
3103 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3148 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
3104 3149
3105 memset (EV_A, 0, sizeof (struct ev_loop)); 3150 memset (EV_A, 0, sizeof (struct ev_loop));
3106 loop_init (EV_A_ flags); 3151 loop_init (EV_A_ flags);
… …
3153} 3198}
3154#endif 3199#endif
3155 3200
3156#if EV_FEATURE_API 3201#if EV_FEATURE_API
3157void ecb_cold 3202void ecb_cold
3158ev_verify (EV_P) EV_THROW 3203ev_verify (EV_P) EV_NOEXCEPT
3159{ 3204{
3160#if EV_VERIFY 3205#if EV_VERIFY
3161 int i; 3206 int i;
3162 WL w, w2; 3207 WL w, w2;
3163 3208
… …
3244ecb_cold 3289ecb_cold
3245struct ev_loop * 3290struct ev_loop *
3246#else 3291#else
3247int 3292int
3248#endif 3293#endif
3249ev_default_loop (unsigned int flags) EV_THROW 3294ev_default_loop (unsigned int flags) EV_NOEXCEPT
3250{ 3295{
3251 if (!ev_default_loop_ptr) 3296 if (!ev_default_loop_ptr)
3252 { 3297 {
3253#if EV_MULTIPLICITY 3298#if EV_MULTIPLICITY
3254 EV_P = ev_default_loop_ptr = &default_loop_struct; 3299 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
3273 3318
3274 return ev_default_loop_ptr; 3319 return ev_default_loop_ptr;
3275} 3320}
3276 3321
3277void 3322void
3278ev_loop_fork (EV_P) EV_THROW 3323ev_loop_fork (EV_P) EV_NOEXCEPT
3279{ 3324{
3280 postfork = 1; 3325 postfork = 1;
3281} 3326}
3282 3327
3283/*****************************************************************************/ 3328/*****************************************************************************/
… …
3287{ 3332{
3288 EV_CB_INVOKE ((W)w, revents); 3333 EV_CB_INVOKE ((W)w, revents);
3289} 3334}
3290 3335
3291unsigned int 3336unsigned int
3292ev_pending_count (EV_P) EV_THROW 3337ev_pending_count (EV_P) EV_NOEXCEPT
3293{ 3338{
3294 int pri; 3339 int pri;
3295 unsigned int count = 0; 3340 unsigned int count = 0;
3296 3341
3297 for (pri = NUMPRI; pri--; ) 3342 for (pri = NUMPRI; pri--; )
… …
3304void 3349void
3305ev_invoke_pending (EV_P) 3350ev_invoke_pending (EV_P)
3306{ 3351{
3307 pendingpri = NUMPRI; 3352 pendingpri = NUMPRI;
3308 3353
3309 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ 3354 do
3310 { 3355 {
3311 --pendingpri; 3356 --pendingpri;
3312 3357
3358 /* pendingpri possibly gets modified in the inner loop */
3313 while (pendingcnt [pendingpri]) 3359 while (pendingcnt [pendingpri])
3314 { 3360 {
3315 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; 3361 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3316 3362
3317 p->w->pending = 0; 3363 p->w->pending = 0;
3318 EV_CB_INVOKE (p->w, p->events); 3364 EV_CB_INVOKE (p->w, p->events);
3319 EV_FREQUENT_CHECK; 3365 EV_FREQUENT_CHECK;
3320 } 3366 }
3321 } 3367 }
3368 while (pendingpri);
3322} 3369}
3323 3370
3324#if EV_IDLE_ENABLE 3371#if EV_IDLE_ENABLE
3325/* make idle watchers pending. this handles the "call-idle */ 3372/* make idle watchers pending. this handles the "call-idle */
3326/* only when higher priorities are idle" logic */ 3373/* only when higher priorities are idle" logic */
… …
3735 3782
3736 return activecnt; 3783 return activecnt;
3737} 3784}
3738 3785
3739void 3786void
3740ev_break (EV_P_ int how) EV_THROW 3787ev_break (EV_P_ int how) EV_NOEXCEPT
3741{ 3788{
3742 loop_done = how; 3789 loop_done = how;
3743} 3790}
3744 3791
3745void 3792void
3746ev_ref (EV_P) EV_THROW 3793ev_ref (EV_P) EV_NOEXCEPT
3747{ 3794{
3748 ++activecnt; 3795 ++activecnt;
3749} 3796}
3750 3797
3751void 3798void
3752ev_unref (EV_P) EV_THROW 3799ev_unref (EV_P) EV_NOEXCEPT
3753{ 3800{
3754 --activecnt; 3801 --activecnt;
3755} 3802}
3756 3803
3757void 3804void
3758ev_now_update (EV_P) EV_THROW 3805ev_now_update (EV_P) EV_NOEXCEPT
3759{ 3806{
3760 time_update (EV_A_ 1e100); 3807 time_update (EV_A_ 1e100);
3761} 3808}
3762 3809
3763void 3810void
3764ev_suspend (EV_P) EV_THROW 3811ev_suspend (EV_P) EV_NOEXCEPT
3765{ 3812{
3766 ev_now_update (EV_A); 3813 ev_now_update (EV_A);
3767} 3814}
3768 3815
3769void 3816void
3770ev_resume (EV_P) EV_THROW 3817ev_resume (EV_P) EV_NOEXCEPT
3771{ 3818{
3772 ev_tstamp mn_prev = mn_now; 3819 ev_tstamp mn_prev = mn_now;
3773 3820
3774 ev_now_update (EV_A); 3821 ev_now_update (EV_A);
3775 timers_reschedule (EV_A_ mn_now - mn_prev); 3822 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3814 w->pending = 0; 3861 w->pending = 0;
3815 } 3862 }
3816} 3863}
3817 3864
3818int 3865int
3819ev_clear_pending (EV_P_ void *w) EV_THROW 3866ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3820{ 3867{
3821 W w_ = (W)w; 3868 W w_ = (W)w;
3822 int pending = w_->pending; 3869 int pending = w_->pending;
3823 3870
3824 if (expect_true (pending)) 3871 if (expect_true (pending))
… …
3858 3905
3859/*****************************************************************************/ 3906/*****************************************************************************/
3860 3907
3861noinline 3908noinline
3862void 3909void
3863ev_io_start (EV_P_ ev_io *w) EV_THROW 3910ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3864{ 3911{
3865 int fd = w->fd; 3912 int fd = w->fd;
3866 3913
3867 if (expect_false (ev_is_active (w))) 3914 if (expect_false (ev_is_active (w)))
3868 return; 3915 return;
… …
3871 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 3918 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3872 3919
3873 EV_FREQUENT_CHECK; 3920 EV_FREQUENT_CHECK;
3874 3921
3875 ev_start (EV_A_ (W)w, 1); 3922 ev_start (EV_A_ (W)w, 1);
3876 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3923 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3877 wlist_add (&anfds[fd].head, (WL)w); 3924 wlist_add (&anfds[fd].head, (WL)w);
3878 3925
3879 /* common bug, apparently */ 3926 /* common bug, apparently */
3880 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); 3927 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3881 3928
… …
3885 EV_FREQUENT_CHECK; 3932 EV_FREQUENT_CHECK;
3886} 3933}
3887 3934
3888noinline 3935noinline
3889void 3936void
3890ev_io_stop (EV_P_ ev_io *w) EV_THROW 3937ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3891{ 3938{
3892 clear_pending (EV_A_ (W)w); 3939 clear_pending (EV_A_ (W)w);
3893 if (expect_false (!ev_is_active (w))) 3940 if (expect_false (!ev_is_active (w)))
3894 return; 3941 return;
3895 3942
… …
3905 EV_FREQUENT_CHECK; 3952 EV_FREQUENT_CHECK;
3906} 3953}
3907 3954
3908noinline 3955noinline
3909void 3956void
3910ev_timer_start (EV_P_ ev_timer *w) EV_THROW 3957ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3911{ 3958{
3912 if (expect_false (ev_is_active (w))) 3959 if (expect_false (ev_is_active (w)))
3913 return; 3960 return;
3914 3961
3915 ev_at (w) += mn_now; 3962 ev_at (w) += mn_now;
… …
3918 3965
3919 EV_FREQUENT_CHECK; 3966 EV_FREQUENT_CHECK;
3920 3967
3921 ++timercnt; 3968 ++timercnt;
3922 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 3969 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3923 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); 3970 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3924 ANHE_w (timers [ev_active (w)]) = (WT)w; 3971 ANHE_w (timers [ev_active (w)]) = (WT)w;
3925 ANHE_at_cache (timers [ev_active (w)]); 3972 ANHE_at_cache (timers [ev_active (w)]);
3926 upheap (timers, ev_active (w)); 3973 upheap (timers, ev_active (w));
3927 3974
3928 EV_FREQUENT_CHECK; 3975 EV_FREQUENT_CHECK;
… …
3930 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3977 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3931} 3978}
3932 3979
3933noinline 3980noinline
3934void 3981void
3935ev_timer_stop (EV_P_ ev_timer *w) EV_THROW 3982ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3936{ 3983{
3937 clear_pending (EV_A_ (W)w); 3984 clear_pending (EV_A_ (W)w);
3938 if (expect_false (!ev_is_active (w))) 3985 if (expect_false (!ev_is_active (w)))
3939 return; 3986 return;
3940 3987
… …
3961 EV_FREQUENT_CHECK; 4008 EV_FREQUENT_CHECK;
3962} 4009}
3963 4010
3964noinline 4011noinline
3965void 4012void
3966ev_timer_again (EV_P_ ev_timer *w) EV_THROW 4013ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3967{ 4014{
3968 EV_FREQUENT_CHECK; 4015 EV_FREQUENT_CHECK;
3969 4016
3970 clear_pending (EV_A_ (W)w); 4017 clear_pending (EV_A_ (W)w);
3971 4018
… …
3988 4035
3989 EV_FREQUENT_CHECK; 4036 EV_FREQUENT_CHECK;
3990} 4037}
3991 4038
3992ev_tstamp 4039ev_tstamp
3993ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW 4040ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3994{ 4041{
3995 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4042 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3996} 4043}
3997 4044
3998#if EV_PERIODIC_ENABLE 4045#if EV_PERIODIC_ENABLE
3999noinline 4046noinline
4000void 4047void
4001ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW 4048ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4002{ 4049{
4003 if (expect_false (ev_is_active (w))) 4050 if (expect_false (ev_is_active (w)))
4004 return; 4051 return;
4005 4052
4006 if (w->reschedule_cb) 4053 if (w->reschedule_cb)
… …
4015 4062
4016 EV_FREQUENT_CHECK; 4063 EV_FREQUENT_CHECK;
4017 4064
4018 ++periodiccnt; 4065 ++periodiccnt;
4019 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); 4066 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
4020 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); 4067 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
4021 ANHE_w (periodics [ev_active (w)]) = (WT)w; 4068 ANHE_w (periodics [ev_active (w)]) = (WT)w;
4022 ANHE_at_cache (periodics [ev_active (w)]); 4069 ANHE_at_cache (periodics [ev_active (w)]);
4023 upheap (periodics, ev_active (w)); 4070 upheap (periodics, ev_active (w));
4024 4071
4025 EV_FREQUENT_CHECK; 4072 EV_FREQUENT_CHECK;
… …
4027 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4074 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4028} 4075}
4029 4076
4030noinline 4077noinline
4031void 4078void
4032ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW 4079ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4033{ 4080{
4034 clear_pending (EV_A_ (W)w); 4081 clear_pending (EV_A_ (W)w);
4035 if (expect_false (!ev_is_active (w))) 4082 if (expect_false (!ev_is_active (w)))
4036 return; 4083 return;
4037 4084
… …
4056 EV_FREQUENT_CHECK; 4103 EV_FREQUENT_CHECK;
4057} 4104}
4058 4105
4059noinline 4106noinline
4060void 4107void
4061ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW 4108ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4062{ 4109{
4063 /* TODO: use adjustheap and recalculation */ 4110 /* TODO: use adjustheap and recalculation */
4064 ev_periodic_stop (EV_A_ w); 4111 ev_periodic_stop (EV_A_ w);
4065 ev_periodic_start (EV_A_ w); 4112 ev_periodic_start (EV_A_ w);
4066} 4113}
… …
4072 4119
4073#if EV_SIGNAL_ENABLE 4120#if EV_SIGNAL_ENABLE
4074 4121
4075noinline 4122noinline
4076void 4123void
4077ev_signal_start (EV_P_ ev_signal *w) EV_THROW 4124ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4078{ 4125{
4079 if (expect_false (ev_is_active (w))) 4126 if (expect_false (ev_is_active (w)))
4080 return; 4127 return;
4081 4128
4082 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4129 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
4155 EV_FREQUENT_CHECK; 4202 EV_FREQUENT_CHECK;
4156} 4203}
4157 4204
4158noinline 4205noinline
4159void 4206void
4160ev_signal_stop (EV_P_ ev_signal *w) EV_THROW 4207ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4161{ 4208{
4162 clear_pending (EV_A_ (W)w); 4209 clear_pending (EV_A_ (W)w);
4163 if (expect_false (!ev_is_active (w))) 4210 if (expect_false (!ev_is_active (w)))
4164 return; 4211 return;
4165 4212
… …
4196#endif 4243#endif
4197 4244
4198#if EV_CHILD_ENABLE 4245#if EV_CHILD_ENABLE
4199 4246
4200void 4247void
4201ev_child_start (EV_P_ ev_child *w) EV_THROW 4248ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4202{ 4249{
4203#if EV_MULTIPLICITY 4250#if EV_MULTIPLICITY
4204 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4251 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4205#endif 4252#endif
4206 if (expect_false (ev_is_active (w))) 4253 if (expect_false (ev_is_active (w)))
… …
4213 4260
4214 EV_FREQUENT_CHECK; 4261 EV_FREQUENT_CHECK;
4215} 4262}
4216 4263
4217void 4264void
4218ev_child_stop (EV_P_ ev_child *w) EV_THROW 4265ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4219{ 4266{
4220 clear_pending (EV_A_ (W)w); 4267 clear_pending (EV_A_ (W)w);
4221 if (expect_false (!ev_is_active (w))) 4268 if (expect_false (!ev_is_active (w)))
4222 return; 4269 return;
4223 4270
… …
4488#else 4535#else
4489# define EV_LSTAT(p,b) lstat (p, b) 4536# define EV_LSTAT(p,b) lstat (p, b)
4490#endif 4537#endif
4491 4538
4492void 4539void
4493ev_stat_stat (EV_P_ ev_stat *w) EV_THROW 4540ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4494{ 4541{
4495 if (lstat (w->path, &w->attr) < 0) 4542 if (lstat (w->path, &w->attr) < 0)
4496 w->attr.st_nlink = 0; 4543 w->attr.st_nlink = 0;
4497 else if (!w->attr.st_nlink) 4544 else if (!w->attr.st_nlink)
4498 w->attr.st_nlink = 1; 4545 w->attr.st_nlink = 1;
… …
4538 ev_feed_event (EV_A_ w, EV_STAT); 4585 ev_feed_event (EV_A_ w, EV_STAT);
4539 } 4586 }
4540} 4587}
4541 4588
4542void 4589void
4543ev_stat_start (EV_P_ ev_stat *w) EV_THROW 4590ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4544{ 4591{
4545 if (expect_false (ev_is_active (w))) 4592 if (expect_false (ev_is_active (w)))
4546 return; 4593 return;
4547 4594
4548 ev_stat_stat (EV_A_ w); 4595 ev_stat_stat (EV_A_ w);
… …
4569 4616
4570 EV_FREQUENT_CHECK; 4617 EV_FREQUENT_CHECK;
4571} 4618}
4572 4619
4573void 4620void
4574ev_stat_stop (EV_P_ ev_stat *w) EV_THROW 4621ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4575{ 4622{
4576 clear_pending (EV_A_ (W)w); 4623 clear_pending (EV_A_ (W)w);
4577 if (expect_false (!ev_is_active (w))) 4624 if (expect_false (!ev_is_active (w)))
4578 return; 4625 return;
4579 4626
… …
4595} 4642}
4596#endif 4643#endif
4597 4644
4598#if EV_IDLE_ENABLE 4645#if EV_IDLE_ENABLE
4599void 4646void
4600ev_idle_start (EV_P_ ev_idle *w) EV_THROW 4647ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4601{ 4648{
4602 if (expect_false (ev_is_active (w))) 4649 if (expect_false (ev_is_active (w)))
4603 return; 4650 return;
4604 4651
4605 pri_adjust (EV_A_ (W)w); 4652 pri_adjust (EV_A_ (W)w);
… …
4610 int active = ++idlecnt [ABSPRI (w)]; 4657 int active = ++idlecnt [ABSPRI (w)];
4611 4658
4612 ++idleall; 4659 ++idleall;
4613 ev_start (EV_A_ (W)w, active); 4660 ev_start (EV_A_ (W)w, active);
4614 4661
4615 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 4662 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4616 idles [ABSPRI (w)][active - 1] = w; 4663 idles [ABSPRI (w)][active - 1] = w;
4617 } 4664 }
4618 4665
4619 EV_FREQUENT_CHECK; 4666 EV_FREQUENT_CHECK;
4620} 4667}
4621 4668
4622void 4669void
4623ev_idle_stop (EV_P_ ev_idle *w) EV_THROW 4670ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4624{ 4671{
4625 clear_pending (EV_A_ (W)w); 4672 clear_pending (EV_A_ (W)w);
4626 if (expect_false (!ev_is_active (w))) 4673 if (expect_false (!ev_is_active (w)))
4627 return; 4674 return;
4628 4675
… …
4642} 4689}
4643#endif 4690#endif
4644 4691
4645#if EV_PREPARE_ENABLE 4692#if EV_PREPARE_ENABLE
4646void 4693void
4647ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW 4694ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4648{ 4695{
4649 if (expect_false (ev_is_active (w))) 4696 if (expect_false (ev_is_active (w)))
4650 return; 4697 return;
4651 4698
4652 EV_FREQUENT_CHECK; 4699 EV_FREQUENT_CHECK;
4653 4700
4654 ev_start (EV_A_ (W)w, ++preparecnt); 4701 ev_start (EV_A_ (W)w, ++preparecnt);
4655 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 4702 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4656 prepares [preparecnt - 1] = w; 4703 prepares [preparecnt - 1] = w;
4657 4704
4658 EV_FREQUENT_CHECK; 4705 EV_FREQUENT_CHECK;
4659} 4706}
4660 4707
4661void 4708void
4662ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW 4709ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4663{ 4710{
4664 clear_pending (EV_A_ (W)w); 4711 clear_pending (EV_A_ (W)w);
4665 if (expect_false (!ev_is_active (w))) 4712 if (expect_false (!ev_is_active (w)))
4666 return; 4713 return;
4667 4714
… …
4680} 4727}
4681#endif 4728#endif
4682 4729
4683#if EV_CHECK_ENABLE 4730#if EV_CHECK_ENABLE
4684void 4731void
4685ev_check_start (EV_P_ ev_check *w) EV_THROW 4732ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4686{ 4733{
4687 if (expect_false (ev_is_active (w))) 4734 if (expect_false (ev_is_active (w)))
4688 return; 4735 return;
4689 4736
4690 EV_FREQUENT_CHECK; 4737 EV_FREQUENT_CHECK;
4691 4738
4692 ev_start (EV_A_ (W)w, ++checkcnt); 4739 ev_start (EV_A_ (W)w, ++checkcnt);
4693 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 4740 array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4694 checks [checkcnt - 1] = w; 4741 checks [checkcnt - 1] = w;
4695 4742
4696 EV_FREQUENT_CHECK; 4743 EV_FREQUENT_CHECK;
4697} 4744}
4698 4745
4699void 4746void
4700ev_check_stop (EV_P_ ev_check *w) EV_THROW 4747ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4701{ 4748{
4702 clear_pending (EV_A_ (W)w); 4749 clear_pending (EV_A_ (W)w);
4703 if (expect_false (!ev_is_active (w))) 4750 if (expect_false (!ev_is_active (w)))
4704 return; 4751 return;
4705 4752
… …
4719#endif 4766#endif
4720 4767
4721#if EV_EMBED_ENABLE 4768#if EV_EMBED_ENABLE
4722noinline 4769noinline
4723void 4770void
4724ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW 4771ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4725{ 4772{
4726 ev_run (w->other, EVRUN_NOWAIT); 4773 ev_run (w->other, EVRUN_NOWAIT);
4727} 4774}
4728 4775
4729static void 4776static void
… …
4777 ev_idle_stop (EV_A_ idle); 4824 ev_idle_stop (EV_A_ idle);
4778} 4825}
4779#endif 4826#endif
4780 4827
4781void 4828void
4782ev_embed_start (EV_P_ ev_embed *w) EV_THROW 4829ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4783{ 4830{
4784 if (expect_false (ev_is_active (w))) 4831 if (expect_false (ev_is_active (w)))
4785 return; 4832 return;
4786 4833
4787 { 4834 {
… …
4808 4855
4809 EV_FREQUENT_CHECK; 4856 EV_FREQUENT_CHECK;
4810} 4857}
4811 4858
4812void 4859void
4813ev_embed_stop (EV_P_ ev_embed *w) EV_THROW 4860ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4814{ 4861{
4815 clear_pending (EV_A_ (W)w); 4862 clear_pending (EV_A_ (W)w);
4816 if (expect_false (!ev_is_active (w))) 4863 if (expect_false (!ev_is_active (w)))
4817 return; 4864 return;
4818 4865
… …
4828} 4875}
4829#endif 4876#endif
4830 4877
4831#if EV_FORK_ENABLE 4878#if EV_FORK_ENABLE
4832void 4879void
4833ev_fork_start (EV_P_ ev_fork *w) EV_THROW 4880ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4834{ 4881{
4835 if (expect_false (ev_is_active (w))) 4882 if (expect_false (ev_is_active (w)))
4836 return; 4883 return;
4837 4884
4838 EV_FREQUENT_CHECK; 4885 EV_FREQUENT_CHECK;
4839 4886
4840 ev_start (EV_A_ (W)w, ++forkcnt); 4887 ev_start (EV_A_ (W)w, ++forkcnt);
4841 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 4888 array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4842 forks [forkcnt - 1] = w; 4889 forks [forkcnt - 1] = w;
4843 4890
4844 EV_FREQUENT_CHECK; 4891 EV_FREQUENT_CHECK;
4845} 4892}
4846 4893
4847void 4894void
4848ev_fork_stop (EV_P_ ev_fork *w) EV_THROW 4895ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4849{ 4896{
4850 clear_pending (EV_A_ (W)w); 4897 clear_pending (EV_A_ (W)w);
4851 if (expect_false (!ev_is_active (w))) 4898 if (expect_false (!ev_is_active (w)))
4852 return; 4899 return;
4853 4900
… …
4866} 4913}
4867#endif 4914#endif
4868 4915
4869#if EV_CLEANUP_ENABLE 4916#if EV_CLEANUP_ENABLE
4870void 4917void
4871ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW 4918ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4872{ 4919{
4873 if (expect_false (ev_is_active (w))) 4920 if (expect_false (ev_is_active (w)))
4874 return; 4921 return;
4875 4922
4876 EV_FREQUENT_CHECK; 4923 EV_FREQUENT_CHECK;
4877 4924
4878 ev_start (EV_A_ (W)w, ++cleanupcnt); 4925 ev_start (EV_A_ (W)w, ++cleanupcnt);
4879 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); 4926 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4880 cleanups [cleanupcnt - 1] = w; 4927 cleanups [cleanupcnt - 1] = w;
4881 4928
4882 /* cleanup watchers should never keep a refcount on the loop */ 4929 /* cleanup watchers should never keep a refcount on the loop */
4883 ev_unref (EV_A); 4930 ev_unref (EV_A);
4884 EV_FREQUENT_CHECK; 4931 EV_FREQUENT_CHECK;
4885} 4932}
4886 4933
4887void 4934void
4888ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW 4935ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4889{ 4936{
4890 clear_pending (EV_A_ (W)w); 4937 clear_pending (EV_A_ (W)w);
4891 if (expect_false (!ev_is_active (w))) 4938 if (expect_false (!ev_is_active (w)))
4892 return; 4939 return;
4893 4940
… …
4907} 4954}
4908#endif 4955#endif
4909 4956
4910#if EV_ASYNC_ENABLE 4957#if EV_ASYNC_ENABLE
4911void 4958void
4912ev_async_start (EV_P_ ev_async *w) EV_THROW 4959ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4913{ 4960{
4914 if (expect_false (ev_is_active (w))) 4961 if (expect_false (ev_is_active (w)))
4915 return; 4962 return;
4916 4963
4917 w->sent = 0; 4964 w->sent = 0;
… …
4919 evpipe_init (EV_A); 4966 evpipe_init (EV_A);
4920 4967
4921 EV_FREQUENT_CHECK; 4968 EV_FREQUENT_CHECK;
4922 4969
4923 ev_start (EV_A_ (W)w, ++asynccnt); 4970 ev_start (EV_A_ (W)w, ++asynccnt);
4924 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 4971 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4925 asyncs [asynccnt - 1] = w; 4972 asyncs [asynccnt - 1] = w;
4926 4973
4927 EV_FREQUENT_CHECK; 4974 EV_FREQUENT_CHECK;
4928} 4975}
4929 4976
4930void 4977void
4931ev_async_stop (EV_P_ ev_async *w) EV_THROW 4978ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4932{ 4979{
4933 clear_pending (EV_A_ (W)w); 4980 clear_pending (EV_A_ (W)w);
4934 if (expect_false (!ev_is_active (w))) 4981 if (expect_false (!ev_is_active (w)))
4935 return; 4982 return;
4936 4983
… …
4947 4994
4948 EV_FREQUENT_CHECK; 4995 EV_FREQUENT_CHECK;
4949} 4996}
4950 4997
4951void 4998void
4952ev_async_send (EV_P_ ev_async *w) EV_THROW 4999ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4953{ 5000{
4954 w->sent = 1; 5001 w->sent = 1;
4955 evpipe_write (EV_A_ &async_pending); 5002 evpipe_write (EV_A_ &async_pending);
4956} 5003}
4957#endif 5004#endif
… …
4994 5041
4995 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 5042 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4996} 5043}
4997 5044
4998void 5045void
4999ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW 5046ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
5000{ 5047{
5001 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 5048 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
5002
5003 if (expect_false (!once))
5004 {
5005 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
5006 return;
5007 }
5008 5049
5009 once->cb = cb; 5050 once->cb = cb;
5010 once->arg = arg; 5051 once->arg = arg;
5011 5052
5012 ev_init (&once->io, once_cb_io); 5053 ev_init (&once->io, once_cb_io);
… …
5027/*****************************************************************************/ 5068/*****************************************************************************/
5028 5069
5029#if EV_WALK_ENABLE 5070#if EV_WALK_ENABLE
5030ecb_cold 5071ecb_cold
5031void 5072void
5032ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW 5073ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
5033{ 5074{
5034 int i, j; 5075 int i, j;
5035 ev_watcher_list *wl, *wn; 5076 ev_watcher_list *wl, *wn;
5036 5077
5037 if (types & (EV_IO | EV_EMBED)) 5078 if (types & (EV_IO | EV_EMBED))

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