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Comparing libev/ev.c (file contents):
Revision 1.482 by root, Sat Jul 28 04:15:15 2018 UTC vs.
Revision 1.490 by root, Thu Jun 20 22:44:59 2019 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
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;
… …
1956{ 1968{
1957 *cur = array_nextsize (elem, *cur, cnt); 1969 *cur = array_nextsize (elem, *cur, cnt);
1958 return ev_realloc (base, elem * *cur); 1970 return ev_realloc (base, elem * *cur);
1959} 1971}
1960 1972
1973#define array_needsize_noinit(base,count)
1974
1961#define array_init_zero(base,count) \ 1975#define array_needsize_zerofill(base,count) \
1962 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1976 memset ((void *)(base), 0, sizeof (*(base)) * (count))
1963 1977
1964#define array_needsize(type,base,cur,cnt,init) \ 1978#define array_needsize(type,base,cur,cnt,init) \
1965 if (expect_false ((cnt) > (cur))) \ 1979 if (expect_false ((cnt) > (cur))) \
1966 { \ 1980 { \
… …
1992{ 2006{
1993} 2007}
1994 2008
1995noinline 2009noinline
1996void 2010void
1997ev_feed_event (EV_P_ void *w, int revents) EV_THROW 2011ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1998{ 2012{
1999 W w_ = (W)w; 2013 W w_ = (W)w;
2000 int pri = ABSPRI (w_); 2014 int pri = ABSPRI (w_);
2001 2015
2002 if (expect_false (w_->pending)) 2016 if (expect_false (w_->pending))
2003 pendings [pri][w_->pending - 1].events |= revents; 2017 pendings [pri][w_->pending - 1].events |= revents;
2004 else 2018 else
2005 { 2019 {
2006 w_->pending = ++pendingcnt [pri]; 2020 w_->pending = ++pendingcnt [pri];
2007 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 2021 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
2008 pendings [pri][w_->pending - 1].w = w_; 2022 pendings [pri][w_->pending - 1].w = w_;
2009 pendings [pri][w_->pending - 1].events = revents; 2023 pendings [pri][w_->pending - 1].events = revents;
2010 } 2024 }
2011 2025
2012 pendingpri = NUMPRI - 1; 2026 pendingpri = NUMPRI - 1;
2013} 2027}
2014 2028
2015inline_speed void 2029inline_speed void
2016feed_reverse (EV_P_ W w) 2030feed_reverse (EV_P_ W w)
2017{ 2031{
2018 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); 2032 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
2019 rfeeds [rfeedcnt++] = w; 2033 rfeeds [rfeedcnt++] = w;
2020} 2034}
2021 2035
2022inline_size void 2036inline_size void
2023feed_reverse_done (EV_P_ int revents) 2037feed_reverse_done (EV_P_ int revents)
… …
2063 if (expect_true (!anfd->reify)) 2077 if (expect_true (!anfd->reify))
2064 fd_event_nocheck (EV_A_ fd, revents); 2078 fd_event_nocheck (EV_A_ fd, revents);
2065} 2079}
2066 2080
2067void 2081void
2068ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW 2082ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
2069{ 2083{
2070 if (fd >= 0 && fd < anfdmax) 2084 if (fd >= 0 && fd < anfdmax)
2071 fd_event_nocheck (EV_A_ fd, revents); 2085 fd_event_nocheck (EV_A_ fd, revents);
2072} 2086}
2073 2087
… …
2141 anfds [fd].reify |= flags; 2155 anfds [fd].reify |= flags;
2142 2156
2143 if (expect_true (!reify)) 2157 if (expect_true (!reify))
2144 { 2158 {
2145 ++fdchangecnt; 2159 ++fdchangecnt;
2146 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 2160 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2147 fdchanges [fdchangecnt - 1] = fd; 2161 fdchanges [fdchangecnt - 1] = fd;
2148 } 2162 }
2149} 2163}
2150 2164
2151/* 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 */
… …
2473#endif 2487#endif
2474 { 2488 {
2475#ifdef _WIN32 2489#ifdef _WIN32
2476 WSABUF buf; 2490 WSABUF buf;
2477 DWORD sent; 2491 DWORD sent;
2478 buf.buf = &buf; 2492 buf.buf = (char *)&buf;
2479 buf.len = 1; 2493 buf.len = 1;
2480 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);
2481#else 2495#else
2482 write (evpipe [1], &(evpipe [1]), 1); 2496 write (evpipe [1], &(evpipe [1]), 1);
2483#endif 2497#endif
… …
2555} 2569}
2556 2570
2557/*****************************************************************************/ 2571/*****************************************************************************/
2558 2572
2559void 2573void
2560ev_feed_signal (int signum) EV_THROW 2574ev_feed_signal (int signum) EV_NOEXCEPT
2561{ 2575{
2562#if EV_MULTIPLICITY 2576#if EV_MULTIPLICITY
2563 EV_P; 2577 EV_P;
2564 ECB_MEMORY_FENCE_ACQUIRE; 2578 ECB_MEMORY_FENCE_ACQUIRE;
2565 EV_A = signals [signum - 1].loop; 2579 EV_A = signals [signum - 1].loop;
… …
2582 ev_feed_signal (signum); 2596 ev_feed_signal (signum);
2583} 2597}
2584 2598
2585noinline 2599noinline
2586void 2600void
2587ev_feed_signal_event (EV_P_ int signum) EV_THROW 2601ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2588{ 2602{
2589 WL w; 2603 WL w;
2590 2604
2591 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2605 if (expect_false (signum <= 0 || signum >= EV_NSIG))
2592 return; 2606 return;
… …
2698# include "ev_port.c" 2712# include "ev_port.c"
2699#endif 2713#endif
2700#if EV_USE_KQUEUE 2714#if EV_USE_KQUEUE
2701# include "ev_kqueue.c" 2715# include "ev_kqueue.c"
2702#endif 2716#endif
2717#if EV_USE_LINUXAIO
2718# include "ev_linuxaio.c"
2719#endif
2703#if EV_USE_EPOLL 2720#if EV_USE_EPOLL
2704# include "ev_epoll.c" 2721# include "ev_epoll.c"
2705#endif 2722#endif
2706#if EV_USE_POLL 2723#if EV_USE_POLL
2707# include "ev_poll.c" 2724# include "ev_poll.c"
… …
2709#if EV_USE_SELECT 2726#if EV_USE_SELECT
2710# include "ev_select.c" 2727# include "ev_select.c"
2711#endif 2728#endif
2712 2729
2713ecb_cold int 2730ecb_cold int
2714ev_version_major (void) EV_THROW 2731ev_version_major (void) EV_NOEXCEPT
2715{ 2732{
2716 return EV_VERSION_MAJOR; 2733 return EV_VERSION_MAJOR;
2717} 2734}
2718 2735
2719ecb_cold int 2736ecb_cold int
2720ev_version_minor (void) EV_THROW 2737ev_version_minor (void) EV_NOEXCEPT
2721{ 2738{
2722 return EV_VERSION_MINOR; 2739 return EV_VERSION_MINOR;
2723} 2740}
2724 2741
2725/* 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 */
… …
2734#endif 2751#endif
2735} 2752}
2736 2753
2737ecb_cold 2754ecb_cold
2738unsigned int 2755unsigned int
2739ev_supported_backends (void) EV_THROW 2756ev_supported_backends (void) EV_NOEXCEPT
2740{ 2757{
2741 unsigned int flags = 0; 2758 unsigned int flags = 0;
2742 2759
2743 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2760 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2744 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2761 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2745 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2762 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2763 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2746 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2764 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2747 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2765 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2748 2766
2749 return flags; 2767 return flags;
2750} 2768}
2751 2769
2752ecb_cold 2770ecb_cold
2753unsigned int 2771unsigned int
2754ev_recommended_backends (void) EV_THROW 2772ev_recommended_backends (void) EV_NOEXCEPT
2755{ 2773{
2756 unsigned int flags = ev_supported_backends (); 2774 unsigned int flags = ev_supported_backends ();
2757 2775
2758#ifndef __NetBSD__ 2776#ifndef __NetBSD__
2759 /* kqueue is borked on everything but netbsd apparently */ 2777 /* kqueue is borked on everything but netbsd apparently */
… …
2772 return flags; 2790 return flags;
2773} 2791}
2774 2792
2775ecb_cold 2793ecb_cold
2776unsigned int 2794unsigned int
2777ev_embeddable_backends (void) EV_THROW 2795ev_embeddable_backends (void) EV_NOEXCEPT
2778{ 2796{
2779 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2797 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2780 2798
2781 /* 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 */
2782 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 */
… …
2784 2802
2785 return flags; 2803 return flags;
2786} 2804}
2787 2805
2788unsigned int 2806unsigned int
2789ev_backend (EV_P) EV_THROW 2807ev_backend (EV_P) EV_NOEXCEPT
2790{ 2808{
2791 return backend; 2809 return backend;
2792} 2810}
2793 2811
2794#if EV_FEATURE_API 2812#if EV_FEATURE_API
2795unsigned int 2813unsigned int
2796ev_iteration (EV_P) EV_THROW 2814ev_iteration (EV_P) EV_NOEXCEPT
2797{ 2815{
2798 return loop_count; 2816 return loop_count;
2799} 2817}
2800 2818
2801unsigned int 2819unsigned int
2802ev_depth (EV_P) EV_THROW 2820ev_depth (EV_P) EV_NOEXCEPT
2803{ 2821{
2804 return loop_depth; 2822 return loop_depth;
2805} 2823}
2806 2824
2807void 2825void
2808ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2826ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2809{ 2827{
2810 io_blocktime = interval; 2828 io_blocktime = interval;
2811} 2829}
2812 2830
2813void 2831void
2814ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2832ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2815{ 2833{
2816 timeout_blocktime = interval; 2834 timeout_blocktime = interval;
2817} 2835}
2818 2836
2819void 2837void
2820ev_set_userdata (EV_P_ void *data) EV_THROW 2838ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2821{ 2839{
2822 userdata = data; 2840 userdata = data;
2823} 2841}
2824 2842
2825void * 2843void *
2826ev_userdata (EV_P) EV_THROW 2844ev_userdata (EV_P) EV_NOEXCEPT
2827{ 2845{
2828 return userdata; 2846 return userdata;
2829} 2847}
2830 2848
2831void 2849void
2832ev_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
2833{ 2851{
2834 invoke_cb = invoke_pending_cb; 2852 invoke_cb = invoke_pending_cb;
2835} 2853}
2836 2854
2837void 2855void
2838ev_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
2839{ 2857{
2840 release_cb = release; 2858 release_cb = release;
2841 acquire_cb = acquire; 2859 acquire_cb = acquire;
2842} 2860}
2843#endif 2861#endif
2844 2862
2845/* initialise a loop structure, must be zero-initialised */ 2863/* initialise a loop structure, must be zero-initialised */
2846noinline ecb_cold 2864noinline ecb_cold
2847static void 2865static void
2848loop_init (EV_P_ unsigned int flags) EV_THROW 2866loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2849{ 2867{
2850 if (!backend) 2868 if (!backend)
2851 { 2869 {
2852 origflags = flags; 2870 origflags = flags;
2853 2871
… …
2911 2929
2912 if (!(flags & EVBACKEND_MASK)) 2930 if (!(flags & EVBACKEND_MASK))
2913 flags |= ev_recommended_backends (); 2931 flags |= ev_recommended_backends ();
2914 2932
2915#if EV_USE_IOCP 2933#if EV_USE_IOCP
2916 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 2934 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2917#endif 2935#endif
2918#if EV_USE_PORT 2936#if EV_USE_PORT
2919 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 2937 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2920#endif 2938#endif
2921#if EV_USE_KQUEUE 2939#if EV_USE_KQUEUE
2922 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);
2923#endif 2944#endif
2924#if EV_USE_EPOLL 2945#if EV_USE_EPOLL
2925 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 2946 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2926#endif 2947#endif
2927#if EV_USE_POLL 2948#if EV_USE_POLL
2928 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); 2949 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2929#endif 2950#endif
2930#if EV_USE_SELECT 2951#if EV_USE_SELECT
2931 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 2952 if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2932#endif 2953#endif
2933 2954
2934 ev_prepare_init (&pending_w, pendingcb); 2955 ev_prepare_init (&pending_w, pendingcb);
2935 2956
2936#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2957#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
… …
2991 3012
2992 if (backend_fd >= 0) 3013 if (backend_fd >= 0)
2993 close (backend_fd); 3014 close (backend_fd);
2994 3015
2995#if EV_USE_IOCP 3016#if EV_USE_IOCP
2996 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); 3017 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2997#endif 3018#endif
2998#if EV_USE_PORT 3019#if EV_USE_PORT
2999 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3020 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3000#endif 3021#endif
3001#if EV_USE_KQUEUE 3022#if EV_USE_KQUEUE
3002 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);
3003#endif 3027#endif
3004#if EV_USE_EPOLL 3028#if EV_USE_EPOLL
3005 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); 3029 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
3006#endif 3030#endif
3007#if EV_USE_POLL 3031#if EV_USE_POLL
3008 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); 3032 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
3009#endif 3033#endif
3010#if EV_USE_SELECT 3034#if EV_USE_SELECT
3011 if (backend == EVBACKEND_SELECT) select_destroy (EV_A); 3035 if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
3012#endif 3036#endif
3013 3037
3014 for (i = NUMPRI; i--; ) 3038 for (i = NUMPRI; i--; )
3015 { 3039 {
3016 array_free (pending, [i]); 3040 array_free (pending, [i]);
… …
3058 3082
3059inline_size void 3083inline_size void
3060loop_fork (EV_P) 3084loop_fork (EV_P)
3061{ 3085{
3062#if EV_USE_PORT 3086#if EV_USE_PORT
3063 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3087 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3064#endif 3088#endif
3065#if EV_USE_KQUEUE 3089#if EV_USE_KQUEUE
3066 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);
3067#endif 3094#endif
3068#if EV_USE_EPOLL 3095#if EV_USE_EPOLL
3069 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3096 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
3070#endif 3097#endif
3071#if EV_USE_INOTIFY 3098#if EV_USE_INOTIFY
3072 infy_fork (EV_A); 3099 infy_fork (EV_A);
3073#endif 3100#endif
3074 3101
… …
3094 3121
3095#if EV_MULTIPLICITY 3122#if EV_MULTIPLICITY
3096 3123
3097ecb_cold 3124ecb_cold
3098struct ev_loop * 3125struct ev_loop *
3099ev_loop_new (unsigned int flags) EV_THROW 3126ev_loop_new (unsigned int flags) EV_NOEXCEPT
3100{ 3127{
3101 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3128 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
3102 3129
3103 memset (EV_A, 0, sizeof (struct ev_loop)); 3130 memset (EV_A, 0, sizeof (struct ev_loop));
3104 loop_init (EV_A_ flags); 3131 loop_init (EV_A_ flags);
… …
3151} 3178}
3152#endif 3179#endif
3153 3180
3154#if EV_FEATURE_API 3181#if EV_FEATURE_API
3155void ecb_cold 3182void ecb_cold
3156ev_verify (EV_P) EV_THROW 3183ev_verify (EV_P) EV_NOEXCEPT
3157{ 3184{
3158#if EV_VERIFY 3185#if EV_VERIFY
3159 int i; 3186 int i;
3160 WL w, w2; 3187 WL w, w2;
3161 3188
… …
3242ecb_cold 3269ecb_cold
3243struct ev_loop * 3270struct ev_loop *
3244#else 3271#else
3245int 3272int
3246#endif 3273#endif
3247ev_default_loop (unsigned int flags) EV_THROW 3274ev_default_loop (unsigned int flags) EV_NOEXCEPT
3248{ 3275{
3249 if (!ev_default_loop_ptr) 3276 if (!ev_default_loop_ptr)
3250 { 3277 {
3251#if EV_MULTIPLICITY 3278#if EV_MULTIPLICITY
3252 EV_P = ev_default_loop_ptr = &default_loop_struct; 3279 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
3271 3298
3272 return ev_default_loop_ptr; 3299 return ev_default_loop_ptr;
3273} 3300}
3274 3301
3275void 3302void
3276ev_loop_fork (EV_P) EV_THROW 3303ev_loop_fork (EV_P) EV_NOEXCEPT
3277{ 3304{
3278 postfork = 1; 3305 postfork = 1;
3279} 3306}
3280 3307
3281/*****************************************************************************/ 3308/*****************************************************************************/
… …
3285{ 3312{
3286 EV_CB_INVOKE ((W)w, revents); 3313 EV_CB_INVOKE ((W)w, revents);
3287} 3314}
3288 3315
3289unsigned int 3316unsigned int
3290ev_pending_count (EV_P) EV_THROW 3317ev_pending_count (EV_P) EV_NOEXCEPT
3291{ 3318{
3292 int pri; 3319 int pri;
3293 unsigned int count = 0; 3320 unsigned int count = 0;
3294 3321
3295 for (pri = NUMPRI; pri--; ) 3322 for (pri = NUMPRI; pri--; )
… …
3302void 3329void
3303ev_invoke_pending (EV_P) 3330ev_invoke_pending (EV_P)
3304{ 3331{
3305 pendingpri = NUMPRI; 3332 pendingpri = NUMPRI;
3306 3333
3307 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ 3334 do
3308 { 3335 {
3309 --pendingpri; 3336 --pendingpri;
3310 3337
3338 /* pendingpri possibly gets modified in the inner loop */
3311 while (pendingcnt [pendingpri]) 3339 while (pendingcnt [pendingpri])
3312 { 3340 {
3313 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; 3341 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3314 3342
3315 p->w->pending = 0; 3343 p->w->pending = 0;
3316 EV_CB_INVOKE (p->w, p->events); 3344 EV_CB_INVOKE (p->w, p->events);
3317 EV_FREQUENT_CHECK; 3345 EV_FREQUENT_CHECK;
3318 } 3346 }
3319 } 3347 }
3348 while (pendingpri);
3320} 3349}
3321 3350
3322#if EV_IDLE_ENABLE 3351#if EV_IDLE_ENABLE
3323/* make idle watchers pending. this handles the "call-idle */ 3352/* make idle watchers pending. this handles the "call-idle */
3324/* only when higher priorities are idle" logic */ 3353/* only when higher priorities are idle" logic */
… …
3733 3762
3734 return activecnt; 3763 return activecnt;
3735} 3764}
3736 3765
3737void 3766void
3738ev_break (EV_P_ int how) EV_THROW 3767ev_break (EV_P_ int how) EV_NOEXCEPT
3739{ 3768{
3740 loop_done = how; 3769 loop_done = how;
3741} 3770}
3742 3771
3743void 3772void
3744ev_ref (EV_P) EV_THROW 3773ev_ref (EV_P) EV_NOEXCEPT
3745{ 3774{
3746 ++activecnt; 3775 ++activecnt;
3747} 3776}
3748 3777
3749void 3778void
3750ev_unref (EV_P) EV_THROW 3779ev_unref (EV_P) EV_NOEXCEPT
3751{ 3780{
3752 --activecnt; 3781 --activecnt;
3753} 3782}
3754 3783
3755void 3784void
3756ev_now_update (EV_P) EV_THROW 3785ev_now_update (EV_P) EV_NOEXCEPT
3757{ 3786{
3758 time_update (EV_A_ 1e100); 3787 time_update (EV_A_ 1e100);
3759} 3788}
3760 3789
3761void 3790void
3762ev_suspend (EV_P) EV_THROW 3791ev_suspend (EV_P) EV_NOEXCEPT
3763{ 3792{
3764 ev_now_update (EV_A); 3793 ev_now_update (EV_A);
3765} 3794}
3766 3795
3767void 3796void
3768ev_resume (EV_P) EV_THROW 3797ev_resume (EV_P) EV_NOEXCEPT
3769{ 3798{
3770 ev_tstamp mn_prev = mn_now; 3799 ev_tstamp mn_prev = mn_now;
3771 3800
3772 ev_now_update (EV_A); 3801 ev_now_update (EV_A);
3773 timers_reschedule (EV_A_ mn_now - mn_prev); 3802 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3812 w->pending = 0; 3841 w->pending = 0;
3813 } 3842 }
3814} 3843}
3815 3844
3816int 3845int
3817ev_clear_pending (EV_P_ void *w) EV_THROW 3846ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3818{ 3847{
3819 W w_ = (W)w; 3848 W w_ = (W)w;
3820 int pending = w_->pending; 3849 int pending = w_->pending;
3821 3850
3822 if (expect_true (pending)) 3851 if (expect_true (pending))
… …
3856 3885
3857/*****************************************************************************/ 3886/*****************************************************************************/
3858 3887
3859noinline 3888noinline
3860void 3889void
3861ev_io_start (EV_P_ ev_io *w) EV_THROW 3890ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3862{ 3891{
3863 int fd = w->fd; 3892 int fd = w->fd;
3864 3893
3865 if (expect_false (ev_is_active (w))) 3894 if (expect_false (ev_is_active (w)))
3866 return; 3895 return;
… …
3869 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))));
3870 3899
3871 EV_FREQUENT_CHECK; 3900 EV_FREQUENT_CHECK;
3872 3901
3873 ev_start (EV_A_ (W)w, 1); 3902 ev_start (EV_A_ (W)w, 1);
3874 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3903 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3875 wlist_add (&anfds[fd].head, (WL)w); 3904 wlist_add (&anfds[fd].head, (WL)w);
3876 3905
3877 /* common bug, apparently */ 3906 /* common bug, apparently */
3878 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));
3879 3908
… …
3883 EV_FREQUENT_CHECK; 3912 EV_FREQUENT_CHECK;
3884} 3913}
3885 3914
3886noinline 3915noinline
3887void 3916void
3888ev_io_stop (EV_P_ ev_io *w) EV_THROW 3917ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3889{ 3918{
3890 clear_pending (EV_A_ (W)w); 3919 clear_pending (EV_A_ (W)w);
3891 if (expect_false (!ev_is_active (w))) 3920 if (expect_false (!ev_is_active (w)))
3892 return; 3921 return;
3893 3922
… …
3903 EV_FREQUENT_CHECK; 3932 EV_FREQUENT_CHECK;
3904} 3933}
3905 3934
3906noinline 3935noinline
3907void 3936void
3908ev_timer_start (EV_P_ ev_timer *w) EV_THROW 3937ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3909{ 3938{
3910 if (expect_false (ev_is_active (w))) 3939 if (expect_false (ev_is_active (w)))
3911 return; 3940 return;
3912 3941
3913 ev_at (w) += mn_now; 3942 ev_at (w) += mn_now;
… …
3916 3945
3917 EV_FREQUENT_CHECK; 3946 EV_FREQUENT_CHECK;
3918 3947
3919 ++timercnt; 3948 ++timercnt;
3920 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 3949 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3921 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); 3950 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3922 ANHE_w (timers [ev_active (w)]) = (WT)w; 3951 ANHE_w (timers [ev_active (w)]) = (WT)w;
3923 ANHE_at_cache (timers [ev_active (w)]); 3952 ANHE_at_cache (timers [ev_active (w)]);
3924 upheap (timers, ev_active (w)); 3953 upheap (timers, ev_active (w));
3925 3954
3926 EV_FREQUENT_CHECK; 3955 EV_FREQUENT_CHECK;
… …
3928 /*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));*/
3929} 3958}
3930 3959
3931noinline 3960noinline
3932void 3961void
3933ev_timer_stop (EV_P_ ev_timer *w) EV_THROW 3962ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3934{ 3963{
3935 clear_pending (EV_A_ (W)w); 3964 clear_pending (EV_A_ (W)w);
3936 if (expect_false (!ev_is_active (w))) 3965 if (expect_false (!ev_is_active (w)))
3937 return; 3966 return;
3938 3967
… …
3959 EV_FREQUENT_CHECK; 3988 EV_FREQUENT_CHECK;
3960} 3989}
3961 3990
3962noinline 3991noinline
3963void 3992void
3964ev_timer_again (EV_P_ ev_timer *w) EV_THROW 3993ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3965{ 3994{
3966 EV_FREQUENT_CHECK; 3995 EV_FREQUENT_CHECK;
3967 3996
3968 clear_pending (EV_A_ (W)w); 3997 clear_pending (EV_A_ (W)w);
3969 3998
… …
3986 4015
3987 EV_FREQUENT_CHECK; 4016 EV_FREQUENT_CHECK;
3988} 4017}
3989 4018
3990ev_tstamp 4019ev_tstamp
3991ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW 4020ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3992{ 4021{
3993 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4022 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3994} 4023}
3995 4024
3996#if EV_PERIODIC_ENABLE 4025#if EV_PERIODIC_ENABLE
3997noinline 4026noinline
3998void 4027void
3999ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW 4028ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4000{ 4029{
4001 if (expect_false (ev_is_active (w))) 4030 if (expect_false (ev_is_active (w)))
4002 return; 4031 return;
4003 4032
4004 if (w->reschedule_cb) 4033 if (w->reschedule_cb)
… …
4013 4042
4014 EV_FREQUENT_CHECK; 4043 EV_FREQUENT_CHECK;
4015 4044
4016 ++periodiccnt; 4045 ++periodiccnt;
4017 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); 4046 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
4018 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); 4047 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
4019 ANHE_w (periodics [ev_active (w)]) = (WT)w; 4048 ANHE_w (periodics [ev_active (w)]) = (WT)w;
4020 ANHE_at_cache (periodics [ev_active (w)]); 4049 ANHE_at_cache (periodics [ev_active (w)]);
4021 upheap (periodics, ev_active (w)); 4050 upheap (periodics, ev_active (w));
4022 4051
4023 EV_FREQUENT_CHECK; 4052 EV_FREQUENT_CHECK;
… …
4025 /*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));*/
4026} 4055}
4027 4056
4028noinline 4057noinline
4029void 4058void
4030ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW 4059ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4031{ 4060{
4032 clear_pending (EV_A_ (W)w); 4061 clear_pending (EV_A_ (W)w);
4033 if (expect_false (!ev_is_active (w))) 4062 if (expect_false (!ev_is_active (w)))
4034 return; 4063 return;
4035 4064
… …
4054 EV_FREQUENT_CHECK; 4083 EV_FREQUENT_CHECK;
4055} 4084}
4056 4085
4057noinline 4086noinline
4058void 4087void
4059ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW 4088ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4060{ 4089{
4061 /* TODO: use adjustheap and recalculation */ 4090 /* TODO: use adjustheap and recalculation */
4062 ev_periodic_stop (EV_A_ w); 4091 ev_periodic_stop (EV_A_ w);
4063 ev_periodic_start (EV_A_ w); 4092 ev_periodic_start (EV_A_ w);
4064} 4093}
… …
4070 4099
4071#if EV_SIGNAL_ENABLE 4100#if EV_SIGNAL_ENABLE
4072 4101
4073noinline 4102noinline
4074void 4103void
4075ev_signal_start (EV_P_ ev_signal *w) EV_THROW 4104ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4076{ 4105{
4077 if (expect_false (ev_is_active (w))) 4106 if (expect_false (ev_is_active (w)))
4078 return; 4107 return;
4079 4108
4080 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));
… …
4153 EV_FREQUENT_CHECK; 4182 EV_FREQUENT_CHECK;
4154} 4183}
4155 4184
4156noinline 4185noinline
4157void 4186void
4158ev_signal_stop (EV_P_ ev_signal *w) EV_THROW 4187ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4159{ 4188{
4160 clear_pending (EV_A_ (W)w); 4189 clear_pending (EV_A_ (W)w);
4161 if (expect_false (!ev_is_active (w))) 4190 if (expect_false (!ev_is_active (w)))
4162 return; 4191 return;
4163 4192
… …
4194#endif 4223#endif
4195 4224
4196#if EV_CHILD_ENABLE 4225#if EV_CHILD_ENABLE
4197 4226
4198void 4227void
4199ev_child_start (EV_P_ ev_child *w) EV_THROW 4228ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4200{ 4229{
4201#if EV_MULTIPLICITY 4230#if EV_MULTIPLICITY
4202 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));
4203#endif 4232#endif
4204 if (expect_false (ev_is_active (w))) 4233 if (expect_false (ev_is_active (w)))
… …
4211 4240
4212 EV_FREQUENT_CHECK; 4241 EV_FREQUENT_CHECK;
4213} 4242}
4214 4243
4215void 4244void
4216ev_child_stop (EV_P_ ev_child *w) EV_THROW 4245ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4217{ 4246{
4218 clear_pending (EV_A_ (W)w); 4247 clear_pending (EV_A_ (W)w);
4219 if (expect_false (!ev_is_active (w))) 4248 if (expect_false (!ev_is_active (w)))
4220 return; 4249 return;
4221 4250
… …
4486#else 4515#else
4487# define EV_LSTAT(p,b) lstat (p, b) 4516# define EV_LSTAT(p,b) lstat (p, b)
4488#endif 4517#endif
4489 4518
4490void 4519void
4491ev_stat_stat (EV_P_ ev_stat *w) EV_THROW 4520ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4492{ 4521{
4493 if (lstat (w->path, &w->attr) < 0) 4522 if (lstat (w->path, &w->attr) < 0)
4494 w->attr.st_nlink = 0; 4523 w->attr.st_nlink = 0;
4495 else if (!w->attr.st_nlink) 4524 else if (!w->attr.st_nlink)
4496 w->attr.st_nlink = 1; 4525 w->attr.st_nlink = 1;
… …
4536 ev_feed_event (EV_A_ w, EV_STAT); 4565 ev_feed_event (EV_A_ w, EV_STAT);
4537 } 4566 }
4538} 4567}
4539 4568
4540void 4569void
4541ev_stat_start (EV_P_ ev_stat *w) EV_THROW 4570ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4542{ 4571{
4543 if (expect_false (ev_is_active (w))) 4572 if (expect_false (ev_is_active (w)))
4544 return; 4573 return;
4545 4574
4546 ev_stat_stat (EV_A_ w); 4575 ev_stat_stat (EV_A_ w);
… …
4567 4596
4568 EV_FREQUENT_CHECK; 4597 EV_FREQUENT_CHECK;
4569} 4598}
4570 4599
4571void 4600void
4572ev_stat_stop (EV_P_ ev_stat *w) EV_THROW 4601ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4573{ 4602{
4574 clear_pending (EV_A_ (W)w); 4603 clear_pending (EV_A_ (W)w);
4575 if (expect_false (!ev_is_active (w))) 4604 if (expect_false (!ev_is_active (w)))
4576 return; 4605 return;
4577 4606
… …
4593} 4622}
4594#endif 4623#endif
4595 4624
4596#if EV_IDLE_ENABLE 4625#if EV_IDLE_ENABLE
4597void 4626void
4598ev_idle_start (EV_P_ ev_idle *w) EV_THROW 4627ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4599{ 4628{
4600 if (expect_false (ev_is_active (w))) 4629 if (expect_false (ev_is_active (w)))
4601 return; 4630 return;
4602 4631
4603 pri_adjust (EV_A_ (W)w); 4632 pri_adjust (EV_A_ (W)w);
… …
4608 int active = ++idlecnt [ABSPRI (w)]; 4637 int active = ++idlecnt [ABSPRI (w)];
4609 4638
4610 ++idleall; 4639 ++idleall;
4611 ev_start (EV_A_ (W)w, active); 4640 ev_start (EV_A_ (W)w, active);
4612 4641
4613 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);
4614 idles [ABSPRI (w)][active - 1] = w; 4643 idles [ABSPRI (w)][active - 1] = w;
4615 } 4644 }
4616 4645
4617 EV_FREQUENT_CHECK; 4646 EV_FREQUENT_CHECK;
4618} 4647}
4619 4648
4620void 4649void
4621ev_idle_stop (EV_P_ ev_idle *w) EV_THROW 4650ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4622{ 4651{
4623 clear_pending (EV_A_ (W)w); 4652 clear_pending (EV_A_ (W)w);
4624 if (expect_false (!ev_is_active (w))) 4653 if (expect_false (!ev_is_active (w)))
4625 return; 4654 return;
4626 4655
… …
4640} 4669}
4641#endif 4670#endif
4642 4671
4643#if EV_PREPARE_ENABLE 4672#if EV_PREPARE_ENABLE
4644void 4673void
4645ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW 4674ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4646{ 4675{
4647 if (expect_false (ev_is_active (w))) 4676 if (expect_false (ev_is_active (w)))
4648 return; 4677 return;
4649 4678
4650 EV_FREQUENT_CHECK; 4679 EV_FREQUENT_CHECK;
4651 4680
4652 ev_start (EV_A_ (W)w, ++preparecnt); 4681 ev_start (EV_A_ (W)w, ++preparecnt);
4653 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 4682 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4654 prepares [preparecnt - 1] = w; 4683 prepares [preparecnt - 1] = w;
4655 4684
4656 EV_FREQUENT_CHECK; 4685 EV_FREQUENT_CHECK;
4657} 4686}
4658 4687
4659void 4688void
4660ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW 4689ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4661{ 4690{
4662 clear_pending (EV_A_ (W)w); 4691 clear_pending (EV_A_ (W)w);
4663 if (expect_false (!ev_is_active (w))) 4692 if (expect_false (!ev_is_active (w)))
4664 return; 4693 return;
4665 4694
… …
4678} 4707}
4679#endif 4708#endif
4680 4709
4681#if EV_CHECK_ENABLE 4710#if EV_CHECK_ENABLE
4682void 4711void
4683ev_check_start (EV_P_ ev_check *w) EV_THROW 4712ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4684{ 4713{
4685 if (expect_false (ev_is_active (w))) 4714 if (expect_false (ev_is_active (w)))
4686 return; 4715 return;
4687 4716
4688 EV_FREQUENT_CHECK; 4717 EV_FREQUENT_CHECK;
4689 4718
4690 ev_start (EV_A_ (W)w, ++checkcnt); 4719 ev_start (EV_A_ (W)w, ++checkcnt);
4691 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 4720 array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4692 checks [checkcnt - 1] = w; 4721 checks [checkcnt - 1] = w;
4693 4722
4694 EV_FREQUENT_CHECK; 4723 EV_FREQUENT_CHECK;
4695} 4724}
4696 4725
4697void 4726void
4698ev_check_stop (EV_P_ ev_check *w) EV_THROW 4727ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4699{ 4728{
4700 clear_pending (EV_A_ (W)w); 4729 clear_pending (EV_A_ (W)w);
4701 if (expect_false (!ev_is_active (w))) 4730 if (expect_false (!ev_is_active (w)))
4702 return; 4731 return;
4703 4732
… …
4717#endif 4746#endif
4718 4747
4719#if EV_EMBED_ENABLE 4748#if EV_EMBED_ENABLE
4720noinline 4749noinline
4721void 4750void
4722ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW 4751ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4723{ 4752{
4724 ev_run (w->other, EVRUN_NOWAIT); 4753 ev_run (w->other, EVRUN_NOWAIT);
4725} 4754}
4726 4755
4727static void 4756static void
… …
4775 ev_idle_stop (EV_A_ idle); 4804 ev_idle_stop (EV_A_ idle);
4776} 4805}
4777#endif 4806#endif
4778 4807
4779void 4808void
4780ev_embed_start (EV_P_ ev_embed *w) EV_THROW 4809ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4781{ 4810{
4782 if (expect_false (ev_is_active (w))) 4811 if (expect_false (ev_is_active (w)))
4783 return; 4812 return;
4784 4813
4785 { 4814 {
… …
4806 4835
4807 EV_FREQUENT_CHECK; 4836 EV_FREQUENT_CHECK;
4808} 4837}
4809 4838
4810void 4839void
4811ev_embed_stop (EV_P_ ev_embed *w) EV_THROW 4840ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4812{ 4841{
4813 clear_pending (EV_A_ (W)w); 4842 clear_pending (EV_A_ (W)w);
4814 if (expect_false (!ev_is_active (w))) 4843 if (expect_false (!ev_is_active (w)))
4815 return; 4844 return;
4816 4845
… …
4826} 4855}
4827#endif 4856#endif
4828 4857
4829#if EV_FORK_ENABLE 4858#if EV_FORK_ENABLE
4830void 4859void
4831ev_fork_start (EV_P_ ev_fork *w) EV_THROW 4860ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4832{ 4861{
4833 if (expect_false (ev_is_active (w))) 4862 if (expect_false (ev_is_active (w)))
4834 return; 4863 return;
4835 4864
4836 EV_FREQUENT_CHECK; 4865 EV_FREQUENT_CHECK;
4837 4866
4838 ev_start (EV_A_ (W)w, ++forkcnt); 4867 ev_start (EV_A_ (W)w, ++forkcnt);
4839 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 4868 array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4840 forks [forkcnt - 1] = w; 4869 forks [forkcnt - 1] = w;
4841 4870
4842 EV_FREQUENT_CHECK; 4871 EV_FREQUENT_CHECK;
4843} 4872}
4844 4873
4845void 4874void
4846ev_fork_stop (EV_P_ ev_fork *w) EV_THROW 4875ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4847{ 4876{
4848 clear_pending (EV_A_ (W)w); 4877 clear_pending (EV_A_ (W)w);
4849 if (expect_false (!ev_is_active (w))) 4878 if (expect_false (!ev_is_active (w)))
4850 return; 4879 return;
4851 4880
… …
4864} 4893}
4865#endif 4894#endif
4866 4895
4867#if EV_CLEANUP_ENABLE 4896#if EV_CLEANUP_ENABLE
4868void 4897void
4869ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW 4898ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4870{ 4899{
4871 if (expect_false (ev_is_active (w))) 4900 if (expect_false (ev_is_active (w)))
4872 return; 4901 return;
4873 4902
4874 EV_FREQUENT_CHECK; 4903 EV_FREQUENT_CHECK;
4875 4904
4876 ev_start (EV_A_ (W)w, ++cleanupcnt); 4905 ev_start (EV_A_ (W)w, ++cleanupcnt);
4877 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); 4906 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4878 cleanups [cleanupcnt - 1] = w; 4907 cleanups [cleanupcnt - 1] = w;
4879 4908
4880 /* cleanup watchers should never keep a refcount on the loop */ 4909 /* cleanup watchers should never keep a refcount on the loop */
4881 ev_unref (EV_A); 4910 ev_unref (EV_A);
4882 EV_FREQUENT_CHECK; 4911 EV_FREQUENT_CHECK;
4883} 4912}
4884 4913
4885void 4914void
4886ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW 4915ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4887{ 4916{
4888 clear_pending (EV_A_ (W)w); 4917 clear_pending (EV_A_ (W)w);
4889 if (expect_false (!ev_is_active (w))) 4918 if (expect_false (!ev_is_active (w)))
4890 return; 4919 return;
4891 4920
… …
4905} 4934}
4906#endif 4935#endif
4907 4936
4908#if EV_ASYNC_ENABLE 4937#if EV_ASYNC_ENABLE
4909void 4938void
4910ev_async_start (EV_P_ ev_async *w) EV_THROW 4939ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4911{ 4940{
4912 if (expect_false (ev_is_active (w))) 4941 if (expect_false (ev_is_active (w)))
4913 return; 4942 return;
4914 4943
4915 w->sent = 0; 4944 w->sent = 0;
… …
4917 evpipe_init (EV_A); 4946 evpipe_init (EV_A);
4918 4947
4919 EV_FREQUENT_CHECK; 4948 EV_FREQUENT_CHECK;
4920 4949
4921 ev_start (EV_A_ (W)w, ++asynccnt); 4950 ev_start (EV_A_ (W)w, ++asynccnt);
4922 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 4951 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4923 asyncs [asynccnt - 1] = w; 4952 asyncs [asynccnt - 1] = w;
4924 4953
4925 EV_FREQUENT_CHECK; 4954 EV_FREQUENT_CHECK;
4926} 4955}
4927 4956
4928void 4957void
4929ev_async_stop (EV_P_ ev_async *w) EV_THROW 4958ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4930{ 4959{
4931 clear_pending (EV_A_ (W)w); 4960 clear_pending (EV_A_ (W)w);
4932 if (expect_false (!ev_is_active (w))) 4961 if (expect_false (!ev_is_active (w)))
4933 return; 4962 return;
4934 4963
… …
4945 4974
4946 EV_FREQUENT_CHECK; 4975 EV_FREQUENT_CHECK;
4947} 4976}
4948 4977
4949void 4978void
4950ev_async_send (EV_P_ ev_async *w) EV_THROW 4979ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4951{ 4980{
4952 w->sent = 1; 4981 w->sent = 1;
4953 evpipe_write (EV_A_ &async_pending); 4982 evpipe_write (EV_A_ &async_pending);
4954} 4983}
4955#endif 4984#endif
… …
4992 5021
4993 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));
4994} 5023}
4995 5024
4996void 5025void
4997ev_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
4998{ 5027{
4999 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));
5000
5001 if (expect_false (!once))
5002 {
5003 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
5004 return;
5005 }
5006 5029
5007 once->cb = cb; 5030 once->cb = cb;
5008 once->arg = arg; 5031 once->arg = arg;
5009 5032
5010 ev_init (&once->io, once_cb_io); 5033 ev_init (&once->io, once_cb_io);
… …
5025/*****************************************************************************/ 5048/*****************************************************************************/
5026 5049
5027#if EV_WALK_ENABLE 5050#if EV_WALK_ENABLE
5028ecb_cold 5051ecb_cold
5029void 5052void
5030ev_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
5031{ 5054{
5032 int i, j; 5055 int i, j;
5033 ev_watcher_list *wl, *wn; 5056 ev_watcher_list *wl, *wn;
5034 5057
5035 if (types & (EV_IO | EV_EMBED)) 5058 if (types & (EV_IO | EV_EMBED))

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