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Comparing libev/ev.c (file contents):
Revision 1.481 by root, Thu Jun 1 20:25:50 2017 UTC vs.
Revision 1.490 by root, Thu Jun 20 22:44:59 2019 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
162# define EV_USE_EVENTFD 0 162# define EV_USE_EVENTFD 0
163# endif 163# endif
164 164
165#endif 165#endif
166 166
167/* OS X, in its infinite idiocy, actually HARDCODES
168 * a limit of 1024 into their select. Where people have brains,
169 * OS X engineers apparently have a vacuum. Or maybe they were
170 * ordered to have a vacuum, or they do anything for money.
171 * This might help. Or not.
172 * Note that this must be defined early, as other include files
173 * will rely on this define as well.
174 */
175#define _DARWIN_UNLIMITED_SELECT 1
176
167#include <stdlib.h> 177#include <stdlib.h>
168#include <string.h> 178#include <string.h>
169#include <fcntl.h> 179#include <fcntl.h>
170#include <stddef.h> 180#include <stddef.h>
171 181
… …
208# ifndef EV_SELECT_IS_WINSOCKET 218# ifndef EV_SELECT_IS_WINSOCKET
209# define EV_SELECT_IS_WINSOCKET 1 219# define EV_SELECT_IS_WINSOCKET 1
210# endif 220# endif
211# undef EV_AVOID_STDIO 221# undef EV_AVOID_STDIO
212#endif 222#endif
213
214/* OS X, in its infinite idiocy, actually HARDCODES
215 * a limit of 1024 into their select. Where people have brains,
216 * OS X engineers apparently have a vacuum. Or maybe they were
217 * ordered to have a vacuum, or they do anything for money.
218 * This might help. Or not.
219 */
220#define _DARWIN_UNLIMITED_SELECT 1
221 223
222/* this block tries to deduce configuration from header-defined symbols and defaults */ 224/* this block tries to deduce configuration from header-defined symbols and defaults */
223 225
224/* try to deduce the maximum number of signals on this platform */ 226/* try to deduce the maximum number of signals on this platform */
225#if defined EV_NSIG 227#if defined EV_NSIG
… …
313 315
314#ifndef EV_USE_PORT 316#ifndef EV_USE_PORT
315# define EV_USE_PORT 0 317# define EV_USE_PORT 0
316#endif 318#endif
317 319
320#ifndef EV_USE_LINUXAIO
321# define EV_USE_LINUXAIO 0
322#endif
323
318#ifndef EV_USE_INOTIFY 324#ifndef EV_USE_INOTIFY
319# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 325# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
320# define EV_USE_INOTIFY EV_FEATURE_OS 326# define EV_USE_INOTIFY EV_FEATURE_OS
321# else 327# else
322# define EV_USE_INOTIFY 0 328# define EV_USE_INOTIFY 0
… …
377/* aix's poll.h seems to cause lots of trouble */ 383/* aix's poll.h seems to cause lots of trouble */
378#ifdef _AIX 384#ifdef _AIX
379/* AIX has a completely broken poll.h header */ 385/* AIX has a completely broken poll.h header */
380# undef EV_USE_POLL 386# undef EV_USE_POLL
381# define EV_USE_POLL 0 387# define EV_USE_POLL 0
388#endif
389
390#if EV_USE_LINUXAIO
391# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
382#endif 392#endif
383 393
384/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 394/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
385/* which makes programs even slower. might work on other unices, too. */ 395/* which makes programs even slower. might work on other unices, too. */
386#if EV_USE_CLOCK_SYSCALL 396#if EV_USE_CLOCK_SYSCALL
… …
607 #define ECB_CLANG_EXTENSION(x) 0 617 #define ECB_CLANG_EXTENSION(x) 0
608#endif 618#endif
609 619
610#define ECB_CPP (__cplusplus+0) 620#define ECB_CPP (__cplusplus+0)
611#define ECB_CPP11 (__cplusplus >= 201103L) 621#define ECB_CPP11 (__cplusplus >= 201103L)
622#define ECB_CPP14 (__cplusplus >= 201402L)
623#define ECB_CPP17 (__cplusplus >= 201703L)
612 624
613#if ECB_CPP 625#if ECB_CPP
614 #define ECB_C 0 626 #define ECB_C 0
615 #define ECB_STDC_VERSION 0 627 #define ECB_STDC_VERSION 0
616#else 628#else
… …
618 #define ECB_STDC_VERSION __STDC_VERSION__ 630 #define ECB_STDC_VERSION __STDC_VERSION__
619#endif 631#endif
620 632
621#define ECB_C99 (ECB_STDC_VERSION >= 199901L) 633#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
622#define ECB_C11 (ECB_STDC_VERSION >= 201112L) 634#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
635#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
623 636
624#if ECB_CPP 637#if ECB_CPP
625 #define ECB_EXTERN_C extern "C" 638 #define ECB_EXTERN_C extern "C"
626 #define ECB_EXTERN_C_BEG ECB_EXTERN_C { 639 #define ECB_EXTERN_C_BEG ECB_EXTERN_C {
627 #define ECB_EXTERN_C_END } 640 #define ECB_EXTERN_C_END }
… …
656#ifndef ECB_MEMORY_FENCE 669#ifndef ECB_MEMORY_FENCE
657 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 670 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
658 #if __i386 || __i386__ 671 #if __i386 || __i386__
659 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 672 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
660 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 673 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
661 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 674 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
662 #elif ECB_GCC_AMD64 675 #elif ECB_GCC_AMD64
663 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 676 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
664 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 677 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
665 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 678 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
666 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 679 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
667 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 680 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
668 #elif defined __ARM_ARCH_2__ \ 681 #elif defined __ARM_ARCH_2__ \
669 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ 682 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
670 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ 683 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
… …
1538# define ABSPRI(w) (((W)w), 0) 1551# define ABSPRI(w) (((W)w), 0)
1539#else 1552#else
1540# define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 1553# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1541#endif 1554#endif
1542 1555
1543#define EMPTY /* required for microsofts broken pseudo-c compiler */ 1556#define EMPTY /* required for microsofts broken pseudo-c compiler */
1544#define EMPTY2(a,b) /* used to suppress some warnings */
1545 1557
1546typedef ev_watcher *W; 1558typedef ev_watcher *W;
1547typedef ev_watcher_list *WL; 1559typedef ev_watcher_list *WL;
1548typedef ev_watcher_time *WT; 1560typedef ev_watcher_time *WT;
1549 1561
… …
1675{ 1687{
1676 write (STDERR_FILENO, msg, strlen (msg)); 1688 write (STDERR_FILENO, msg, strlen (msg));
1677} 1689}
1678#endif 1690#endif
1679 1691
1680static void (*syserr_cb)(const char *msg) EV_THROW; 1692static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1681 1693
1682ecb_cold 1694ecb_cold
1683void 1695void
1684ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW 1696ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1685{ 1697{
1686 syserr_cb = cb; 1698 syserr_cb = cb;
1687} 1699}
1688 1700
1689noinline ecb_cold 1701noinline ecb_cold
… …
1708 abort (); 1720 abort ();
1709 } 1721 }
1710} 1722}
1711 1723
1712static void * 1724static void *
1713ev_realloc_emul (void *ptr, long size) EV_THROW 1725ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1714{ 1726{
1715 /* some systems, notably openbsd and darwin, fail to properly 1727 /* some systems, notably openbsd and darwin, fail to properly
1716 * implement realloc (x, 0) (as required by both ansi c-89 and 1728 * implement realloc (x, 0) (as required by both ansi c-89 and
1717 * the single unix specification, so work around them here. 1729 * the single unix specification, so work around them here.
1718 * recently, also (at least) fedora and debian started breaking it, 1730 * recently, also (at least) fedora and debian started breaking it,
… …
1724 1736
1725 free (ptr); 1737 free (ptr);
1726 return 0; 1738 return 0;
1727} 1739}
1728 1740
1729static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; 1741static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1730 1742
1731ecb_cold 1743ecb_cold
1732void 1744void
1733ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW 1745ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1734{ 1746{
1735 alloc = cb; 1747 alloc = cb;
1736} 1748}
1737 1749
1738inline_speed void * 1750inline_speed void *
… …
1765typedef struct 1777typedef struct
1766{ 1778{
1767 WL head; 1779 WL head;
1768 unsigned char events; /* the events watched for */ 1780 unsigned char events; /* the events watched for */
1769 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ 1781 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1770 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 1782 unsigned char emask; /* some backends store the actual kernel mask in here */
1771 unsigned char unused; 1783 unsigned char unused;
1772#if EV_USE_EPOLL 1784#if EV_USE_EPOLL
1773 unsigned int egen; /* generation counter to counter epoll bugs */ 1785 unsigned int egen; /* generation counter to counter epoll bugs */
1774#endif 1786#endif
1775#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 1787#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
… …
1855 1867
1856/*****************************************************************************/ 1868/*****************************************************************************/
1857 1869
1858#ifndef EV_HAVE_EV_TIME 1870#ifndef EV_HAVE_EV_TIME
1859ev_tstamp 1871ev_tstamp
1860ev_time (void) EV_THROW 1872ev_time (void) EV_NOEXCEPT
1861{ 1873{
1862#if EV_USE_REALTIME 1874#if EV_USE_REALTIME
1863 if (expect_true (have_realtime)) 1875 if (expect_true (have_realtime))
1864 { 1876 {
1865 struct timespec ts; 1877 struct timespec ts;
… …
1889 return ev_time (); 1901 return ev_time ();
1890} 1902}
1891 1903
1892#if EV_MULTIPLICITY 1904#if EV_MULTIPLICITY
1893ev_tstamp 1905ev_tstamp
1894ev_now (EV_P) EV_THROW 1906ev_now (EV_P) EV_NOEXCEPT
1895{ 1907{
1896 return ev_rt_now; 1908 return ev_rt_now;
1897} 1909}
1898#endif 1910#endif
1899 1911
1900void 1912void
1901ev_sleep (ev_tstamp delay) EV_THROW 1913ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1902{ 1914{
1903 if (delay > 0.) 1915 if (delay > 0.)
1904 { 1916 {
1905#if EV_USE_NANOSLEEP 1917#if EV_USE_NANOSLEEP
1906 struct timespec ts; 1918 struct timespec ts;
1907 1919
1908 EV_TS_SET (ts, delay); 1920 EV_TS_SET (ts, delay);
1909 nanosleep (&ts, 0); 1921 nanosleep (&ts, 0);
1910#elif defined _WIN32 1922#elif defined _WIN32
1923 /* maybe this should round up, as ms is very low resolution */
1924 /* compared to select (µs) or nanosleep (ns) */
1911 Sleep ((unsigned long)(delay * 1e3)); 1925 Sleep ((unsigned long)(delay * 1e3));
1912#else 1926#else
1913 struct timeval tv; 1927 struct timeval tv;
1914 1928
1915 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1929 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
… …
1954{ 1968{
1955 *cur = array_nextsize (elem, *cur, cnt); 1969 *cur = array_nextsize (elem, *cur, cnt);
1956 return ev_realloc (base, elem * *cur); 1970 return ev_realloc (base, elem * *cur);
1957} 1971}
1958 1972
1973#define array_needsize_noinit(base,count)
1974
1959#define array_init_zero(base,count) \ 1975#define array_needsize_zerofill(base,count) \
1960 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1976 memset ((void *)(base), 0, sizeof (*(base)) * (count))
1961 1977
1962#define array_needsize(type,base,cur,cnt,init) \ 1978#define array_needsize(type,base,cur,cnt,init) \
1963 if (expect_false ((cnt) > (cur))) \ 1979 if (expect_false ((cnt) > (cur))) \
1964 { \ 1980 { \
… …
1990{ 2006{
1991} 2007}
1992 2008
1993noinline 2009noinline
1994void 2010void
1995ev_feed_event (EV_P_ void *w, int revents) EV_THROW 2011ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1996{ 2012{
1997 W w_ = (W)w; 2013 W w_ = (W)w;
1998 int pri = ABSPRI (w_); 2014 int pri = ABSPRI (w_);
1999 2015
2000 if (expect_false (w_->pending)) 2016 if (expect_false (w_->pending))
2001 pendings [pri][w_->pending - 1].events |= revents; 2017 pendings [pri][w_->pending - 1].events |= revents;
2002 else 2018 else
2003 { 2019 {
2004 w_->pending = ++pendingcnt [pri]; 2020 w_->pending = ++pendingcnt [pri];
2005 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 2021 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
2006 pendings [pri][w_->pending - 1].w = w_; 2022 pendings [pri][w_->pending - 1].w = w_;
2007 pendings [pri][w_->pending - 1].events = revents; 2023 pendings [pri][w_->pending - 1].events = revents;
2008 } 2024 }
2009 2025
2010 pendingpri = NUMPRI - 1; 2026 pendingpri = NUMPRI - 1;
2011} 2027}
2012 2028
2013inline_speed void 2029inline_speed void
2014feed_reverse (EV_P_ W w) 2030feed_reverse (EV_P_ W w)
2015{ 2031{
2016 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); 2032 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
2017 rfeeds [rfeedcnt++] = w; 2033 rfeeds [rfeedcnt++] = w;
2018} 2034}
2019 2035
2020inline_size void 2036inline_size void
2021feed_reverse_done (EV_P_ int revents) 2037feed_reverse_done (EV_P_ int revents)
… …
2061 if (expect_true (!anfd->reify)) 2077 if (expect_true (!anfd->reify))
2062 fd_event_nocheck (EV_A_ fd, revents); 2078 fd_event_nocheck (EV_A_ fd, revents);
2063} 2079}
2064 2080
2065void 2081void
2066ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW 2082ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
2067{ 2083{
2068 if (fd >= 0 && fd < anfdmax) 2084 if (fd >= 0 && fd < anfdmax)
2069 fd_event_nocheck (EV_A_ fd, revents); 2085 fd_event_nocheck (EV_A_ fd, revents);
2070} 2086}
2071 2087
… …
2139 anfds [fd].reify |= flags; 2155 anfds [fd].reify |= flags;
2140 2156
2141 if (expect_true (!reify)) 2157 if (expect_true (!reify))
2142 { 2158 {
2143 ++fdchangecnt; 2159 ++fdchangecnt;
2144 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 2160 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2145 fdchanges [fdchangecnt - 1] = fd; 2161 fdchanges [fdchangecnt - 1] = fd;
2146 } 2162 }
2147} 2163}
2148 2164
2149/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 2165/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
… …
2471#endif 2487#endif
2472 { 2488 {
2473#ifdef _WIN32 2489#ifdef _WIN32
2474 WSABUF buf; 2490 WSABUF buf;
2475 DWORD sent; 2491 DWORD sent;
2476 buf.buf = &buf; 2492 buf.buf = (char *)&buf;
2477 buf.len = 1; 2493 buf.len = 1;
2478 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); 2494 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2479#else 2495#else
2480 write (evpipe [1], &(evpipe [1]), 1); 2496 write (evpipe [1], &(evpipe [1]), 1);
2481#endif 2497#endif
… …
2553} 2569}
2554 2570
2555/*****************************************************************************/ 2571/*****************************************************************************/
2556 2572
2557void 2573void
2558ev_feed_signal (int signum) EV_THROW 2574ev_feed_signal (int signum) EV_NOEXCEPT
2559{ 2575{
2560#if EV_MULTIPLICITY 2576#if EV_MULTIPLICITY
2561 EV_P; 2577 EV_P;
2562 ECB_MEMORY_FENCE_ACQUIRE; 2578 ECB_MEMORY_FENCE_ACQUIRE;
2563 EV_A = signals [signum - 1].loop; 2579 EV_A = signals [signum - 1].loop;
… …
2580 ev_feed_signal (signum); 2596 ev_feed_signal (signum);
2581} 2597}
2582 2598
2583noinline 2599noinline
2584void 2600void
2585ev_feed_signal_event (EV_P_ int signum) EV_THROW 2601ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2586{ 2602{
2587 WL w; 2603 WL w;
2588 2604
2589 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2605 if (expect_false (signum <= 0 || signum >= EV_NSIG))
2590 return; 2606 return;
… …
2696# include "ev_port.c" 2712# include "ev_port.c"
2697#endif 2713#endif
2698#if EV_USE_KQUEUE 2714#if EV_USE_KQUEUE
2699# include "ev_kqueue.c" 2715# include "ev_kqueue.c"
2700#endif 2716#endif
2717#if EV_USE_LINUXAIO
2718# include "ev_linuxaio.c"
2719#endif
2701#if EV_USE_EPOLL 2720#if EV_USE_EPOLL
2702# include "ev_epoll.c" 2721# include "ev_epoll.c"
2703#endif 2722#endif
2704#if EV_USE_POLL 2723#if EV_USE_POLL
2705# include "ev_poll.c" 2724# include "ev_poll.c"
… …
2707#if EV_USE_SELECT 2726#if EV_USE_SELECT
2708# include "ev_select.c" 2727# include "ev_select.c"
2709#endif 2728#endif
2710 2729
2711ecb_cold int 2730ecb_cold int
2712ev_version_major (void) EV_THROW 2731ev_version_major (void) EV_NOEXCEPT
2713{ 2732{
2714 return EV_VERSION_MAJOR; 2733 return EV_VERSION_MAJOR;
2715} 2734}
2716 2735
2717ecb_cold int 2736ecb_cold int
2718ev_version_minor (void) EV_THROW 2737ev_version_minor (void) EV_NOEXCEPT
2719{ 2738{
2720 return EV_VERSION_MINOR; 2739 return EV_VERSION_MINOR;
2721} 2740}
2722 2741
2723/* return true if we are running with elevated privileges and should ignore env variables */ 2742/* return true if we are running with elevated privileges and should ignore env variables */
… …
2732#endif 2751#endif
2733} 2752}
2734 2753
2735ecb_cold 2754ecb_cold
2736unsigned int 2755unsigned int
2737ev_supported_backends (void) EV_THROW 2756ev_supported_backends (void) EV_NOEXCEPT
2738{ 2757{
2739 unsigned int flags = 0; 2758 unsigned int flags = 0;
2740 2759
2741 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2760 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2742 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2761 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2743 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2762 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2763 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2744 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2764 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2745 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2765 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2746 2766
2747 return flags; 2767 return flags;
2748} 2768}
2749 2769
2750ecb_cold 2770ecb_cold
2751unsigned int 2771unsigned int
2752ev_recommended_backends (void) EV_THROW 2772ev_recommended_backends (void) EV_NOEXCEPT
2753{ 2773{
2754 unsigned int flags = ev_supported_backends (); 2774 unsigned int flags = ev_supported_backends ();
2755 2775
2756#ifndef __NetBSD__ 2776#ifndef __NetBSD__
2757 /* kqueue is borked on everything but netbsd apparently */ 2777 /* kqueue is borked on everything but netbsd apparently */
… …
2770 return flags; 2790 return flags;
2771} 2791}
2772 2792
2773ecb_cold 2793ecb_cold
2774unsigned int 2794unsigned int
2775ev_embeddable_backends (void) EV_THROW 2795ev_embeddable_backends (void) EV_NOEXCEPT
2776{ 2796{
2777 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2797 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2778 2798
2779 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2799 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2780 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2800 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2782 2802
2783 return flags; 2803 return flags;
2784} 2804}
2785 2805
2786unsigned int 2806unsigned int
2787ev_backend (EV_P) EV_THROW 2807ev_backend (EV_P) EV_NOEXCEPT
2788{ 2808{
2789 return backend; 2809 return backend;
2790} 2810}
2791 2811
2792#if EV_FEATURE_API 2812#if EV_FEATURE_API
2793unsigned int 2813unsigned int
2794ev_iteration (EV_P) EV_THROW 2814ev_iteration (EV_P) EV_NOEXCEPT
2795{ 2815{
2796 return loop_count; 2816 return loop_count;
2797} 2817}
2798 2818
2799unsigned int 2819unsigned int
2800ev_depth (EV_P) EV_THROW 2820ev_depth (EV_P) EV_NOEXCEPT
2801{ 2821{
2802 return loop_depth; 2822 return loop_depth;
2803} 2823}
2804 2824
2805void 2825void
2806ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2826ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2807{ 2827{
2808 io_blocktime = interval; 2828 io_blocktime = interval;
2809} 2829}
2810 2830
2811void 2831void
2812ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2832ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2813{ 2833{
2814 timeout_blocktime = interval; 2834 timeout_blocktime = interval;
2815} 2835}
2816 2836
2817void 2837void
2818ev_set_userdata (EV_P_ void *data) EV_THROW 2838ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2819{ 2839{
2820 userdata = data; 2840 userdata = data;
2821} 2841}
2822 2842
2823void * 2843void *
2824ev_userdata (EV_P) EV_THROW 2844ev_userdata (EV_P) EV_NOEXCEPT
2825{ 2845{
2826 return userdata; 2846 return userdata;
2827} 2847}
2828 2848
2829void 2849void
2830ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW 2850ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2831{ 2851{
2832 invoke_cb = invoke_pending_cb; 2852 invoke_cb = invoke_pending_cb;
2833} 2853}
2834 2854
2835void 2855void
2836ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW 2856ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2837{ 2857{
2838 release_cb = release; 2858 release_cb = release;
2839 acquire_cb = acquire; 2859 acquire_cb = acquire;
2840} 2860}
2841#endif 2861#endif
2842 2862
2843/* initialise a loop structure, must be zero-initialised */ 2863/* initialise a loop structure, must be zero-initialised */
2844noinline ecb_cold 2864noinline ecb_cold
2845static void 2865static void
2846loop_init (EV_P_ unsigned int flags) EV_THROW 2866loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2847{ 2867{
2848 if (!backend) 2868 if (!backend)
2849 { 2869 {
2850 origflags = flags; 2870 origflags = flags;
2851 2871
… …
2909 2929
2910 if (!(flags & EVBACKEND_MASK)) 2930 if (!(flags & EVBACKEND_MASK))
2911 flags |= ev_recommended_backends (); 2931 flags |= ev_recommended_backends ();
2912 2932
2913#if EV_USE_IOCP 2933#if EV_USE_IOCP
2914 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 2934 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2915#endif 2935#endif
2916#if EV_USE_PORT 2936#if EV_USE_PORT
2917 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 2937 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2918#endif 2938#endif
2919#if EV_USE_KQUEUE 2939#if EV_USE_KQUEUE
2920 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 2940 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2941#endif
2942#if EV_USE_LINUXAIO
2943 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2921#endif 2944#endif
2922#if EV_USE_EPOLL 2945#if EV_USE_EPOLL
2923 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 2946 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2924#endif 2947#endif
2925#if EV_USE_POLL 2948#if EV_USE_POLL
2926 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); 2949 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2927#endif 2950#endif
2928#if EV_USE_SELECT 2951#if EV_USE_SELECT
2929 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 2952 if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2930#endif 2953#endif
2931 2954
2932 ev_prepare_init (&pending_w, pendingcb); 2955 ev_prepare_init (&pending_w, pendingcb);
2933 2956
2934#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2957#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
… …
2989 3012
2990 if (backend_fd >= 0) 3013 if (backend_fd >= 0)
2991 close (backend_fd); 3014 close (backend_fd);
2992 3015
2993#if EV_USE_IOCP 3016#if EV_USE_IOCP
2994 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); 3017 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2995#endif 3018#endif
2996#if EV_USE_PORT 3019#if EV_USE_PORT
2997 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3020 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2998#endif 3021#endif
2999#if EV_USE_KQUEUE 3022#if EV_USE_KQUEUE
3000 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 3023 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3024#endif
3025#if EV_USE_LINUXAIO
3026 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3001#endif 3027#endif
3002#if EV_USE_EPOLL 3028#if EV_USE_EPOLL
3003 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); 3029 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
3004#endif 3030#endif
3005#if EV_USE_POLL 3031#if EV_USE_POLL
3006 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); 3032 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
3007#endif 3033#endif
3008#if EV_USE_SELECT 3034#if EV_USE_SELECT
3009 if (backend == EVBACKEND_SELECT) select_destroy (EV_A); 3035 if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
3010#endif 3036#endif
3011 3037
3012 for (i = NUMPRI; i--; ) 3038 for (i = NUMPRI; i--; )
3013 { 3039 {
3014 array_free (pending, [i]); 3040 array_free (pending, [i]);
… …
3056 3082
3057inline_size void 3083inline_size void
3058loop_fork (EV_P) 3084loop_fork (EV_P)
3059{ 3085{
3060#if EV_USE_PORT 3086#if EV_USE_PORT
3061 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3087 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3062#endif 3088#endif
3063#if EV_USE_KQUEUE 3089#if EV_USE_KQUEUE
3064 if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); 3090 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3091#endif
3092#if EV_USE_LINUXAIO
3093 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3065#endif 3094#endif
3066#if EV_USE_EPOLL 3095#if EV_USE_EPOLL
3067 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3096 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
3068#endif 3097#endif
3069#if EV_USE_INOTIFY 3098#if EV_USE_INOTIFY
3070 infy_fork (EV_A); 3099 infy_fork (EV_A);
3071#endif 3100#endif
3072 3101
… …
3092 3121
3093#if EV_MULTIPLICITY 3122#if EV_MULTIPLICITY
3094 3123
3095ecb_cold 3124ecb_cold
3096struct ev_loop * 3125struct ev_loop *
3097ev_loop_new (unsigned int flags) EV_THROW 3126ev_loop_new (unsigned int flags) EV_NOEXCEPT
3098{ 3127{
3099 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3128 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
3100 3129
3101 memset (EV_A, 0, sizeof (struct ev_loop)); 3130 memset (EV_A, 0, sizeof (struct ev_loop));
3102 loop_init (EV_A_ flags); 3131 loop_init (EV_A_ flags);
… …
3149} 3178}
3150#endif 3179#endif
3151 3180
3152#if EV_FEATURE_API 3181#if EV_FEATURE_API
3153void ecb_cold 3182void ecb_cold
3154ev_verify (EV_P) EV_THROW 3183ev_verify (EV_P) EV_NOEXCEPT
3155{ 3184{
3156#if EV_VERIFY 3185#if EV_VERIFY
3157 int i; 3186 int i;
3158 WL w, w2; 3187 WL w, w2;
3159 3188
… …
3240ecb_cold 3269ecb_cold
3241struct ev_loop * 3270struct ev_loop *
3242#else 3271#else
3243int 3272int
3244#endif 3273#endif
3245ev_default_loop (unsigned int flags) EV_THROW 3274ev_default_loop (unsigned int flags) EV_NOEXCEPT
3246{ 3275{
3247 if (!ev_default_loop_ptr) 3276 if (!ev_default_loop_ptr)
3248 { 3277 {
3249#if EV_MULTIPLICITY 3278#if EV_MULTIPLICITY
3250 EV_P = ev_default_loop_ptr = &default_loop_struct; 3279 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
3269 3298
3270 return ev_default_loop_ptr; 3299 return ev_default_loop_ptr;
3271} 3300}
3272 3301
3273void 3302void
3274ev_loop_fork (EV_P) EV_THROW 3303ev_loop_fork (EV_P) EV_NOEXCEPT
3275{ 3304{
3276 postfork = 1; 3305 postfork = 1;
3277} 3306}
3278 3307
3279/*****************************************************************************/ 3308/*****************************************************************************/
… …
3283{ 3312{
3284 EV_CB_INVOKE ((W)w, revents); 3313 EV_CB_INVOKE ((W)w, revents);
3285} 3314}
3286 3315
3287unsigned int 3316unsigned int
3288ev_pending_count (EV_P) EV_THROW 3317ev_pending_count (EV_P) EV_NOEXCEPT
3289{ 3318{
3290 int pri; 3319 int pri;
3291 unsigned int count = 0; 3320 unsigned int count = 0;
3292 3321
3293 for (pri = NUMPRI; pri--; ) 3322 for (pri = NUMPRI; pri--; )
… …
3300void 3329void
3301ev_invoke_pending (EV_P) 3330ev_invoke_pending (EV_P)
3302{ 3331{
3303 pendingpri = NUMPRI; 3332 pendingpri = NUMPRI;
3304 3333
3305 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ 3334 do
3306 { 3335 {
3307 --pendingpri; 3336 --pendingpri;
3308 3337
3338 /* pendingpri possibly gets modified in the inner loop */
3309 while (pendingcnt [pendingpri]) 3339 while (pendingcnt [pendingpri])
3310 { 3340 {
3311 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; 3341 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3312 3342
3313 p->w->pending = 0; 3343 p->w->pending = 0;
3314 EV_CB_INVOKE (p->w, p->events); 3344 EV_CB_INVOKE (p->w, p->events);
3315 EV_FREQUENT_CHECK; 3345 EV_FREQUENT_CHECK;
3316 } 3346 }
3317 } 3347 }
3348 while (pendingpri);
3318} 3349}
3319 3350
3320#if EV_IDLE_ENABLE 3351#if EV_IDLE_ENABLE
3321/* make idle watchers pending. this handles the "call-idle */ 3352/* make idle watchers pending. this handles the "call-idle */
3322/* only when higher priorities are idle" logic */ 3353/* only when higher priorities are idle" logic */
… …
3731 3762
3732 return activecnt; 3763 return activecnt;
3733} 3764}
3734 3765
3735void 3766void
3736ev_break (EV_P_ int how) EV_THROW 3767ev_break (EV_P_ int how) EV_NOEXCEPT
3737{ 3768{
3738 loop_done = how; 3769 loop_done = how;
3739} 3770}
3740 3771
3741void 3772void
3742ev_ref (EV_P) EV_THROW 3773ev_ref (EV_P) EV_NOEXCEPT
3743{ 3774{
3744 ++activecnt; 3775 ++activecnt;
3745} 3776}
3746 3777
3747void 3778void
3748ev_unref (EV_P) EV_THROW 3779ev_unref (EV_P) EV_NOEXCEPT
3749{ 3780{
3750 --activecnt; 3781 --activecnt;
3751} 3782}
3752 3783
3753void 3784void
3754ev_now_update (EV_P) EV_THROW 3785ev_now_update (EV_P) EV_NOEXCEPT
3755{ 3786{
3756 time_update (EV_A_ 1e100); 3787 time_update (EV_A_ 1e100);
3757} 3788}
3758 3789
3759void 3790void
3760ev_suspend (EV_P) EV_THROW 3791ev_suspend (EV_P) EV_NOEXCEPT
3761{ 3792{
3762 ev_now_update (EV_A); 3793 ev_now_update (EV_A);
3763} 3794}
3764 3795
3765void 3796void
3766ev_resume (EV_P) EV_THROW 3797ev_resume (EV_P) EV_NOEXCEPT
3767{ 3798{
3768 ev_tstamp mn_prev = mn_now; 3799 ev_tstamp mn_prev = mn_now;
3769 3800
3770 ev_now_update (EV_A); 3801 ev_now_update (EV_A);
3771 timers_reschedule (EV_A_ mn_now - mn_prev); 3802 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3810 w->pending = 0; 3841 w->pending = 0;
3811 } 3842 }
3812} 3843}
3813 3844
3814int 3845int
3815ev_clear_pending (EV_P_ void *w) EV_THROW 3846ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3816{ 3847{
3817 W w_ = (W)w; 3848 W w_ = (W)w;
3818 int pending = w_->pending; 3849 int pending = w_->pending;
3819 3850
3820 if (expect_true (pending)) 3851 if (expect_true (pending))
… …
3854 3885
3855/*****************************************************************************/ 3886/*****************************************************************************/
3856 3887
3857noinline 3888noinline
3858void 3889void
3859ev_io_start (EV_P_ ev_io *w) EV_THROW 3890ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3860{ 3891{
3861 int fd = w->fd; 3892 int fd = w->fd;
3862 3893
3863 if (expect_false (ev_is_active (w))) 3894 if (expect_false (ev_is_active (w)))
3864 return; 3895 return;
… …
3867 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 3898 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3868 3899
3869 EV_FREQUENT_CHECK; 3900 EV_FREQUENT_CHECK;
3870 3901
3871 ev_start (EV_A_ (W)w, 1); 3902 ev_start (EV_A_ (W)w, 1);
3872 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3903 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3873 wlist_add (&anfds[fd].head, (WL)w); 3904 wlist_add (&anfds[fd].head, (WL)w);
3874 3905
3875 /* common bug, apparently */ 3906 /* common bug, apparently */
3876 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); 3907 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3877 3908
… …
3881 EV_FREQUENT_CHECK; 3912 EV_FREQUENT_CHECK;
3882} 3913}
3883 3914
3884noinline 3915noinline
3885void 3916void
3886ev_io_stop (EV_P_ ev_io *w) EV_THROW 3917ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3887{ 3918{
3888 clear_pending (EV_A_ (W)w); 3919 clear_pending (EV_A_ (W)w);
3889 if (expect_false (!ev_is_active (w))) 3920 if (expect_false (!ev_is_active (w)))
3890 return; 3921 return;
3891 3922
… …
3901 EV_FREQUENT_CHECK; 3932 EV_FREQUENT_CHECK;
3902} 3933}
3903 3934
3904noinline 3935noinline
3905void 3936void
3906ev_timer_start (EV_P_ ev_timer *w) EV_THROW 3937ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3907{ 3938{
3908 if (expect_false (ev_is_active (w))) 3939 if (expect_false (ev_is_active (w)))
3909 return; 3940 return;
3910 3941
3911 ev_at (w) += mn_now; 3942 ev_at (w) += mn_now;
… …
3914 3945
3915 EV_FREQUENT_CHECK; 3946 EV_FREQUENT_CHECK;
3916 3947
3917 ++timercnt; 3948 ++timercnt;
3918 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 3949 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3919 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); 3950 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3920 ANHE_w (timers [ev_active (w)]) = (WT)w; 3951 ANHE_w (timers [ev_active (w)]) = (WT)w;
3921 ANHE_at_cache (timers [ev_active (w)]); 3952 ANHE_at_cache (timers [ev_active (w)]);
3922 upheap (timers, ev_active (w)); 3953 upheap (timers, ev_active (w));
3923 3954
3924 EV_FREQUENT_CHECK; 3955 EV_FREQUENT_CHECK;
… …
3926 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3957 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3927} 3958}
3928 3959
3929noinline 3960noinline
3930void 3961void
3931ev_timer_stop (EV_P_ ev_timer *w) EV_THROW 3962ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3932{ 3963{
3933 clear_pending (EV_A_ (W)w); 3964 clear_pending (EV_A_ (W)w);
3934 if (expect_false (!ev_is_active (w))) 3965 if (expect_false (!ev_is_active (w)))
3935 return; 3966 return;
3936 3967
… …
3957 EV_FREQUENT_CHECK; 3988 EV_FREQUENT_CHECK;
3958} 3989}
3959 3990
3960noinline 3991noinline
3961void 3992void
3962ev_timer_again (EV_P_ ev_timer *w) EV_THROW 3993ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3963{ 3994{
3964 EV_FREQUENT_CHECK; 3995 EV_FREQUENT_CHECK;
3965 3996
3966 clear_pending (EV_A_ (W)w); 3997 clear_pending (EV_A_ (W)w);
3967 3998
… …
3984 4015
3985 EV_FREQUENT_CHECK; 4016 EV_FREQUENT_CHECK;
3986} 4017}
3987 4018
3988ev_tstamp 4019ev_tstamp
3989ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW 4020ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3990{ 4021{
3991 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4022 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3992} 4023}
3993 4024
3994#if EV_PERIODIC_ENABLE 4025#if EV_PERIODIC_ENABLE
3995noinline 4026noinline
3996void 4027void
3997ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW 4028ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3998{ 4029{
3999 if (expect_false (ev_is_active (w))) 4030 if (expect_false (ev_is_active (w)))
4000 return; 4031 return;
4001 4032
4002 if (w->reschedule_cb) 4033 if (w->reschedule_cb)
… …
4011 4042
4012 EV_FREQUENT_CHECK; 4043 EV_FREQUENT_CHECK;
4013 4044
4014 ++periodiccnt; 4045 ++periodiccnt;
4015 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); 4046 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
4016 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); 4047 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
4017 ANHE_w (periodics [ev_active (w)]) = (WT)w; 4048 ANHE_w (periodics [ev_active (w)]) = (WT)w;
4018 ANHE_at_cache (periodics [ev_active (w)]); 4049 ANHE_at_cache (periodics [ev_active (w)]);
4019 upheap (periodics, ev_active (w)); 4050 upheap (periodics, ev_active (w));
4020 4051
4021 EV_FREQUENT_CHECK; 4052 EV_FREQUENT_CHECK;
… …
4023 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4054 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4024} 4055}
4025 4056
4026noinline 4057noinline
4027void 4058void
4028ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW 4059ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4029{ 4060{
4030 clear_pending (EV_A_ (W)w); 4061 clear_pending (EV_A_ (W)w);
4031 if (expect_false (!ev_is_active (w))) 4062 if (expect_false (!ev_is_active (w)))
4032 return; 4063 return;
4033 4064
… …
4052 EV_FREQUENT_CHECK; 4083 EV_FREQUENT_CHECK;
4053} 4084}
4054 4085
4055noinline 4086noinline
4056void 4087void
4057ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW 4088ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4058{ 4089{
4059 /* TODO: use adjustheap and recalculation */ 4090 /* TODO: use adjustheap and recalculation */
4060 ev_periodic_stop (EV_A_ w); 4091 ev_periodic_stop (EV_A_ w);
4061 ev_periodic_start (EV_A_ w); 4092 ev_periodic_start (EV_A_ w);
4062} 4093}
… …
4068 4099
4069#if EV_SIGNAL_ENABLE 4100#if EV_SIGNAL_ENABLE
4070 4101
4071noinline 4102noinline
4072void 4103void
4073ev_signal_start (EV_P_ ev_signal *w) EV_THROW 4104ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4074{ 4105{
4075 if (expect_false (ev_is_active (w))) 4106 if (expect_false (ev_is_active (w)))
4076 return; 4107 return;
4077 4108
4078 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4109 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
4151 EV_FREQUENT_CHECK; 4182 EV_FREQUENT_CHECK;
4152} 4183}
4153 4184
4154noinline 4185noinline
4155void 4186void
4156ev_signal_stop (EV_P_ ev_signal *w) EV_THROW 4187ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4157{ 4188{
4158 clear_pending (EV_A_ (W)w); 4189 clear_pending (EV_A_ (W)w);
4159 if (expect_false (!ev_is_active (w))) 4190 if (expect_false (!ev_is_active (w)))
4160 return; 4191 return;
4161 4192
… …
4192#endif 4223#endif
4193 4224
4194#if EV_CHILD_ENABLE 4225#if EV_CHILD_ENABLE
4195 4226
4196void 4227void
4197ev_child_start (EV_P_ ev_child *w) EV_THROW 4228ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4198{ 4229{
4199#if EV_MULTIPLICITY 4230#if EV_MULTIPLICITY
4200 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4231 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4201#endif 4232#endif
4202 if (expect_false (ev_is_active (w))) 4233 if (expect_false (ev_is_active (w)))
… …
4209 4240
4210 EV_FREQUENT_CHECK; 4241 EV_FREQUENT_CHECK;
4211} 4242}
4212 4243
4213void 4244void
4214ev_child_stop (EV_P_ ev_child *w) EV_THROW 4245ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4215{ 4246{
4216 clear_pending (EV_A_ (W)w); 4247 clear_pending (EV_A_ (W)w);
4217 if (expect_false (!ev_is_active (w))) 4248 if (expect_false (!ev_is_active (w)))
4218 return; 4249 return;
4219 4250
… …
4484#else 4515#else
4485# define EV_LSTAT(p,b) lstat (p, b) 4516# define EV_LSTAT(p,b) lstat (p, b)
4486#endif 4517#endif
4487 4518
4488void 4519void
4489ev_stat_stat (EV_P_ ev_stat *w) EV_THROW 4520ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4490{ 4521{
4491 if (lstat (w->path, &w->attr) < 0) 4522 if (lstat (w->path, &w->attr) < 0)
4492 w->attr.st_nlink = 0; 4523 w->attr.st_nlink = 0;
4493 else if (!w->attr.st_nlink) 4524 else if (!w->attr.st_nlink)
4494 w->attr.st_nlink = 1; 4525 w->attr.st_nlink = 1;
… …
4534 ev_feed_event (EV_A_ w, EV_STAT); 4565 ev_feed_event (EV_A_ w, EV_STAT);
4535 } 4566 }
4536} 4567}
4537 4568
4538void 4569void
4539ev_stat_start (EV_P_ ev_stat *w) EV_THROW 4570ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4540{ 4571{
4541 if (expect_false (ev_is_active (w))) 4572 if (expect_false (ev_is_active (w)))
4542 return; 4573 return;
4543 4574
4544 ev_stat_stat (EV_A_ w); 4575 ev_stat_stat (EV_A_ w);
… …
4565 4596
4566 EV_FREQUENT_CHECK; 4597 EV_FREQUENT_CHECK;
4567} 4598}
4568 4599
4569void 4600void
4570ev_stat_stop (EV_P_ ev_stat *w) EV_THROW 4601ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4571{ 4602{
4572 clear_pending (EV_A_ (W)w); 4603 clear_pending (EV_A_ (W)w);
4573 if (expect_false (!ev_is_active (w))) 4604 if (expect_false (!ev_is_active (w)))
4574 return; 4605 return;
4575 4606
… …
4591} 4622}
4592#endif 4623#endif
4593 4624
4594#if EV_IDLE_ENABLE 4625#if EV_IDLE_ENABLE
4595void 4626void
4596ev_idle_start (EV_P_ ev_idle *w) EV_THROW 4627ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4597{ 4628{
4598 if (expect_false (ev_is_active (w))) 4629 if (expect_false (ev_is_active (w)))
4599 return; 4630 return;
4600 4631
4601 pri_adjust (EV_A_ (W)w); 4632 pri_adjust (EV_A_ (W)w);
… …
4606 int active = ++idlecnt [ABSPRI (w)]; 4637 int active = ++idlecnt [ABSPRI (w)];
4607 4638
4608 ++idleall; 4639 ++idleall;
4609 ev_start (EV_A_ (W)w, active); 4640 ev_start (EV_A_ (W)w, active);
4610 4641
4611 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 4642 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4612 idles [ABSPRI (w)][active - 1] = w; 4643 idles [ABSPRI (w)][active - 1] = w;
4613 } 4644 }
4614 4645
4615 EV_FREQUENT_CHECK; 4646 EV_FREQUENT_CHECK;
4616} 4647}
4617 4648
4618void 4649void
4619ev_idle_stop (EV_P_ ev_idle *w) EV_THROW 4650ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4620{ 4651{
4621 clear_pending (EV_A_ (W)w); 4652 clear_pending (EV_A_ (W)w);
4622 if (expect_false (!ev_is_active (w))) 4653 if (expect_false (!ev_is_active (w)))
4623 return; 4654 return;
4624 4655
… …
4638} 4669}
4639#endif 4670#endif
4640 4671
4641#if EV_PREPARE_ENABLE 4672#if EV_PREPARE_ENABLE
4642void 4673void
4643ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW 4674ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4644{ 4675{
4645 if (expect_false (ev_is_active (w))) 4676 if (expect_false (ev_is_active (w)))
4646 return; 4677 return;
4647 4678
4648 EV_FREQUENT_CHECK; 4679 EV_FREQUENT_CHECK;
4649 4680
4650 ev_start (EV_A_ (W)w, ++preparecnt); 4681 ev_start (EV_A_ (W)w, ++preparecnt);
4651 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 4682 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4652 prepares [preparecnt - 1] = w; 4683 prepares [preparecnt - 1] = w;
4653 4684
4654 EV_FREQUENT_CHECK; 4685 EV_FREQUENT_CHECK;
4655} 4686}
4656 4687
4657void 4688void
4658ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW 4689ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4659{ 4690{
4660 clear_pending (EV_A_ (W)w); 4691 clear_pending (EV_A_ (W)w);
4661 if (expect_false (!ev_is_active (w))) 4692 if (expect_false (!ev_is_active (w)))
4662 return; 4693 return;
4663 4694
… …
4676} 4707}
4677#endif 4708#endif
4678 4709
4679#if EV_CHECK_ENABLE 4710#if EV_CHECK_ENABLE
4680void 4711void
4681ev_check_start (EV_P_ ev_check *w) EV_THROW 4712ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4682{ 4713{
4683 if (expect_false (ev_is_active (w))) 4714 if (expect_false (ev_is_active (w)))
4684 return; 4715 return;
4685 4716
4686 EV_FREQUENT_CHECK; 4717 EV_FREQUENT_CHECK;
4687 4718
4688 ev_start (EV_A_ (W)w, ++checkcnt); 4719 ev_start (EV_A_ (W)w, ++checkcnt);
4689 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 4720 array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4690 checks [checkcnt - 1] = w; 4721 checks [checkcnt - 1] = w;
4691 4722
4692 EV_FREQUENT_CHECK; 4723 EV_FREQUENT_CHECK;
4693} 4724}
4694 4725
4695void 4726void
4696ev_check_stop (EV_P_ ev_check *w) EV_THROW 4727ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4697{ 4728{
4698 clear_pending (EV_A_ (W)w); 4729 clear_pending (EV_A_ (W)w);
4699 if (expect_false (!ev_is_active (w))) 4730 if (expect_false (!ev_is_active (w)))
4700 return; 4731 return;
4701 4732
… …
4715#endif 4746#endif
4716 4747
4717#if EV_EMBED_ENABLE 4748#if EV_EMBED_ENABLE
4718noinline 4749noinline
4719void 4750void
4720ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW 4751ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4721{ 4752{
4722 ev_run (w->other, EVRUN_NOWAIT); 4753 ev_run (w->other, EVRUN_NOWAIT);
4723} 4754}
4724 4755
4725static void 4756static void
… …
4773 ev_idle_stop (EV_A_ idle); 4804 ev_idle_stop (EV_A_ idle);
4774} 4805}
4775#endif 4806#endif
4776 4807
4777void 4808void
4778ev_embed_start (EV_P_ ev_embed *w) EV_THROW 4809ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4779{ 4810{
4780 if (expect_false (ev_is_active (w))) 4811 if (expect_false (ev_is_active (w)))
4781 return; 4812 return;
4782 4813
4783 { 4814 {
… …
4804 4835
4805 EV_FREQUENT_CHECK; 4836 EV_FREQUENT_CHECK;
4806} 4837}
4807 4838
4808void 4839void
4809ev_embed_stop (EV_P_ ev_embed *w) EV_THROW 4840ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4810{ 4841{
4811 clear_pending (EV_A_ (W)w); 4842 clear_pending (EV_A_ (W)w);
4812 if (expect_false (!ev_is_active (w))) 4843 if (expect_false (!ev_is_active (w)))
4813 return; 4844 return;
4814 4845
… …
4824} 4855}
4825#endif 4856#endif
4826 4857
4827#if EV_FORK_ENABLE 4858#if EV_FORK_ENABLE
4828void 4859void
4829ev_fork_start (EV_P_ ev_fork *w) EV_THROW 4860ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4830{ 4861{
4831 if (expect_false (ev_is_active (w))) 4862 if (expect_false (ev_is_active (w)))
4832 return; 4863 return;
4833 4864
4834 EV_FREQUENT_CHECK; 4865 EV_FREQUENT_CHECK;
4835 4866
4836 ev_start (EV_A_ (W)w, ++forkcnt); 4867 ev_start (EV_A_ (W)w, ++forkcnt);
4837 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 4868 array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4838 forks [forkcnt - 1] = w; 4869 forks [forkcnt - 1] = w;
4839 4870
4840 EV_FREQUENT_CHECK; 4871 EV_FREQUENT_CHECK;
4841} 4872}
4842 4873
4843void 4874void
4844ev_fork_stop (EV_P_ ev_fork *w) EV_THROW 4875ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4845{ 4876{
4846 clear_pending (EV_A_ (W)w); 4877 clear_pending (EV_A_ (W)w);
4847 if (expect_false (!ev_is_active (w))) 4878 if (expect_false (!ev_is_active (w)))
4848 return; 4879 return;
4849 4880
… …
4862} 4893}
4863#endif 4894#endif
4864 4895
4865#if EV_CLEANUP_ENABLE 4896#if EV_CLEANUP_ENABLE
4866void 4897void
4867ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW 4898ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4868{ 4899{
4869 if (expect_false (ev_is_active (w))) 4900 if (expect_false (ev_is_active (w)))
4870 return; 4901 return;
4871 4902
4872 EV_FREQUENT_CHECK; 4903 EV_FREQUENT_CHECK;
4873 4904
4874 ev_start (EV_A_ (W)w, ++cleanupcnt); 4905 ev_start (EV_A_ (W)w, ++cleanupcnt);
4875 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); 4906 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4876 cleanups [cleanupcnt - 1] = w; 4907 cleanups [cleanupcnt - 1] = w;
4877 4908
4878 /* cleanup watchers should never keep a refcount on the loop */ 4909 /* cleanup watchers should never keep a refcount on the loop */
4879 ev_unref (EV_A); 4910 ev_unref (EV_A);
4880 EV_FREQUENT_CHECK; 4911 EV_FREQUENT_CHECK;
4881} 4912}
4882 4913
4883void 4914void
4884ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW 4915ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4885{ 4916{
4886 clear_pending (EV_A_ (W)w); 4917 clear_pending (EV_A_ (W)w);
4887 if (expect_false (!ev_is_active (w))) 4918 if (expect_false (!ev_is_active (w)))
4888 return; 4919 return;
4889 4920
… …
4903} 4934}
4904#endif 4935#endif
4905 4936
4906#if EV_ASYNC_ENABLE 4937#if EV_ASYNC_ENABLE
4907void 4938void
4908ev_async_start (EV_P_ ev_async *w) EV_THROW 4939ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4909{ 4940{
4910 if (expect_false (ev_is_active (w))) 4941 if (expect_false (ev_is_active (w)))
4911 return; 4942 return;
4912 4943
4913 w->sent = 0; 4944 w->sent = 0;
… …
4915 evpipe_init (EV_A); 4946 evpipe_init (EV_A);
4916 4947
4917 EV_FREQUENT_CHECK; 4948 EV_FREQUENT_CHECK;
4918 4949
4919 ev_start (EV_A_ (W)w, ++asynccnt); 4950 ev_start (EV_A_ (W)w, ++asynccnt);
4920 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 4951 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4921 asyncs [asynccnt - 1] = w; 4952 asyncs [asynccnt - 1] = w;
4922 4953
4923 EV_FREQUENT_CHECK; 4954 EV_FREQUENT_CHECK;
4924} 4955}
4925 4956
4926void 4957void
4927ev_async_stop (EV_P_ ev_async *w) EV_THROW 4958ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4928{ 4959{
4929 clear_pending (EV_A_ (W)w); 4960 clear_pending (EV_A_ (W)w);
4930 if (expect_false (!ev_is_active (w))) 4961 if (expect_false (!ev_is_active (w)))
4931 return; 4962 return;
4932 4963
… …
4943 4974
4944 EV_FREQUENT_CHECK; 4975 EV_FREQUENT_CHECK;
4945} 4976}
4946 4977
4947void 4978void
4948ev_async_send (EV_P_ ev_async *w) EV_THROW 4979ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4949{ 4980{
4950 w->sent = 1; 4981 w->sent = 1;
4951 evpipe_write (EV_A_ &async_pending); 4982 evpipe_write (EV_A_ &async_pending);
4952} 4983}
4953#endif 4984#endif
… …
4990 5021
4991 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 5022 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4992} 5023}
4993 5024
4994void 5025void
4995ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW 5026ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4996{ 5027{
4997 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 5028 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4998
4999 if (expect_false (!once))
5000 {
5001 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
5002 return;
5003 }
5004 5029
5005 once->cb = cb; 5030 once->cb = cb;
5006 once->arg = arg; 5031 once->arg = arg;
5007 5032
5008 ev_init (&once->io, once_cb_io); 5033 ev_init (&once->io, once_cb_io);
… …
5023/*****************************************************************************/ 5048/*****************************************************************************/
5024 5049
5025#if EV_WALK_ENABLE 5050#if EV_WALK_ENABLE
5026ecb_cold 5051ecb_cold
5027void 5052void
5028ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW 5053ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
5029{ 5054{
5030 int i, j; 5055 int i, j;
5031 ev_watcher_list *wl, *wn; 5056 ev_watcher_list *wl, *wn;
5032 5057
5033 if (types & (EV_IO | EV_EMBED)) 5058 if (types & (EV_IO | EV_EMBED))

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