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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 1.492 by root, Sat Jun 22 16:25:53 2019 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
115# else 115# else
116# undef EV_USE_EPOLL 116# undef EV_USE_EPOLL
117# define EV_USE_EPOLL 0 117# define EV_USE_EPOLL 0
118# endif 118# endif
119 119
120# if HAVE_LINUX_AIO_ABI_H
121# ifndef EV_USE_LINUXAIO
122# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS
123# endif
124# else
125# undef EV_USE_LINUXAIO
126# define EV_USE_LINUXAIO 0
127# endif
128
120# if HAVE_KQUEUE && HAVE_SYS_EVENT_H 129# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121# ifndef EV_USE_KQUEUE 130# ifndef EV_USE_KQUEUE
122# define EV_USE_KQUEUE EV_FEATURE_BACKENDS 131# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
123# endif 132# endif
124# else 133# else
… …
162# define EV_USE_EVENTFD 0 171# define EV_USE_EVENTFD 0
163# endif 172# endif
164 173
165#endif 174#endif
166 175
176/* OS X, in its infinite idiocy, actually HARDCODES
177 * a limit of 1024 into their select. Where people have brains,
178 * OS X engineers apparently have a vacuum. Or maybe they were
179 * ordered to have a vacuum, or they do anything for money.
180 * This might help. Or not.
181 * Note that this must be defined early, as other include files
182 * will rely on this define as well.
183 */
184#define _DARWIN_UNLIMITED_SELECT 1
185
167#include <stdlib.h> 186#include <stdlib.h>
168#include <string.h> 187#include <string.h>
169#include <fcntl.h> 188#include <fcntl.h>
170#include <stddef.h> 189#include <stddef.h>
171 190
… …
208# ifndef EV_SELECT_IS_WINSOCKET 227# ifndef EV_SELECT_IS_WINSOCKET
209# define EV_SELECT_IS_WINSOCKET 1 228# define EV_SELECT_IS_WINSOCKET 1
210# endif 229# endif
211# undef EV_AVOID_STDIO 230# undef EV_AVOID_STDIO
212#endif 231#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
221 232
222/* this block tries to deduce configuration from header-defined symbols and defaults */ 233/* this block tries to deduce configuration from header-defined symbols and defaults */
223 234
224/* try to deduce the maximum number of signals on this platform */ 235/* try to deduce the maximum number of signals on this platform */
225#if defined EV_NSIG 236#if defined EV_NSIG
… …
313 324
314#ifndef EV_USE_PORT 325#ifndef EV_USE_PORT
315# define EV_USE_PORT 0 326# define EV_USE_PORT 0
316#endif 327#endif
317 328
329#ifndef EV_USE_LINUXAIO
330# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
331# define EV_USE_LINUXAIO 1
332# else
333# define EV_USE_LINUXAIO 0
334# endif
335#endif
336
318#ifndef EV_USE_INOTIFY 337#ifndef EV_USE_INOTIFY
319# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 338# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
320# define EV_USE_INOTIFY EV_FEATURE_OS 339# define EV_USE_INOTIFY EV_FEATURE_OS
321# else 340# else
322# define EV_USE_INOTIFY 0 341# define EV_USE_INOTIFY 0
… …
377/* aix's poll.h seems to cause lots of trouble */ 396/* aix's poll.h seems to cause lots of trouble */
378#ifdef _AIX 397#ifdef _AIX
379/* AIX has a completely broken poll.h header */ 398/* AIX has a completely broken poll.h header */
380# undef EV_USE_POLL 399# undef EV_USE_POLL
381# define EV_USE_POLL 0 400# define EV_USE_POLL 0
401#endif
402
403#if EV_USE_LINUXAIO
404# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
382#endif 405#endif
383 406
384/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 407/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
385/* which makes programs even slower. might work on other unices, too. */ 408/* which makes programs even slower. might work on other unices, too. */
386#if EV_USE_CLOCK_SYSCALL 409#if EV_USE_CLOCK_SYSCALL
… …
414 437
415#if !EV_USE_NANOSLEEP 438#if !EV_USE_NANOSLEEP
416/* hp-ux has it in sys/time.h, which we unconditionally include above */ 439/* hp-ux has it in sys/time.h, which we unconditionally include above */
417# if !defined _WIN32 && !defined __hpux 440# if !defined _WIN32 && !defined __hpux
418# include <sys/select.h> 441# include <sys/select.h>
442# endif
443#endif
444
445#if EV_USE_LINUXAIO
446# include <sys/syscall.h>
447# if !SYS_io_getevents
448# undef EV_USE_LINUXAIO
449# define EV_USE_LINUXAIO 0
419# endif 450# endif
420#endif 451#endif
421 452
422#if EV_USE_INOTIFY 453#if EV_USE_INOTIFY
423# include <sys/statfs.h> 454# include <sys/statfs.h>
… …
607 #define ECB_CLANG_EXTENSION(x) 0 638 #define ECB_CLANG_EXTENSION(x) 0
608#endif 639#endif
609 640
610#define ECB_CPP (__cplusplus+0) 641#define ECB_CPP (__cplusplus+0)
611#define ECB_CPP11 (__cplusplus >= 201103L) 642#define ECB_CPP11 (__cplusplus >= 201103L)
643#define ECB_CPP14 (__cplusplus >= 201402L)
644#define ECB_CPP17 (__cplusplus >= 201703L)
612 645
613#if ECB_CPP 646#if ECB_CPP
614 #define ECB_C 0 647 #define ECB_C 0
615 #define ECB_STDC_VERSION 0 648 #define ECB_STDC_VERSION 0
616#else 649#else
… …
618 #define ECB_STDC_VERSION __STDC_VERSION__ 651 #define ECB_STDC_VERSION __STDC_VERSION__
619#endif 652#endif
620 653
621#define ECB_C99 (ECB_STDC_VERSION >= 199901L) 654#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
622#define ECB_C11 (ECB_STDC_VERSION >= 201112L) 655#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
656#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
623 657
624#if ECB_CPP 658#if ECB_CPP
625 #define ECB_EXTERN_C extern "C" 659 #define ECB_EXTERN_C extern "C"
626 #define ECB_EXTERN_C_BEG ECB_EXTERN_C { 660 #define ECB_EXTERN_C_BEG ECB_EXTERN_C {
627 #define ECB_EXTERN_C_END } 661 #define ECB_EXTERN_C_END }
… …
656#ifndef ECB_MEMORY_FENCE 690#ifndef ECB_MEMORY_FENCE
657 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 691 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
658 #if __i386 || __i386__ 692 #if __i386 || __i386__
659 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 693 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
660 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 694 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
661 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 695 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
662 #elif ECB_GCC_AMD64 696 #elif ECB_GCC_AMD64
663 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 697 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
664 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 698 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
665 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 699 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
666 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 700 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
667 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 701 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
668 #elif defined __ARM_ARCH_2__ \ 702 #elif defined __ARM_ARCH_2__ \
669 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ 703 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
670 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ 704 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
… …
1538# define ABSPRI(w) (((W)w), 0) 1572# define ABSPRI(w) (((W)w), 0)
1539#else 1573#else
1540# define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 1574# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1541#endif 1575#endif
1542 1576
1543#define EMPTY /* required for microsofts broken pseudo-c compiler */ 1577#define EMPTY /* required for microsofts broken pseudo-c compiler */
1544#define EMPTY2(a,b) /* used to suppress some warnings */
1545 1578
1546typedef ev_watcher *W; 1579typedef ev_watcher *W;
1547typedef ev_watcher_list *WL; 1580typedef ev_watcher_list *WL;
1548typedef ev_watcher_time *WT; 1581typedef ev_watcher_time *WT;
1549 1582
… …
1675{ 1708{
1676 write (STDERR_FILENO, msg, strlen (msg)); 1709 write (STDERR_FILENO, msg, strlen (msg));
1677} 1710}
1678#endif 1711#endif
1679 1712
1680static void (*syserr_cb)(const char *msg) EV_THROW; 1713static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1681 1714
1682ecb_cold 1715ecb_cold
1683void 1716void
1684ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW 1717ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1685{ 1718{
1686 syserr_cb = cb; 1719 syserr_cb = cb;
1687} 1720}
1688 1721
1689noinline ecb_cold 1722noinline ecb_cold
… …
1708 abort (); 1741 abort ();
1709 } 1742 }
1710} 1743}
1711 1744
1712static void * 1745static void *
1713ev_realloc_emul (void *ptr, long size) EV_THROW 1746ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1714{ 1747{
1715 /* some systems, notably openbsd and darwin, fail to properly 1748 /* some systems, notably openbsd and darwin, fail to properly
1716 * implement realloc (x, 0) (as required by both ansi c-89 and 1749 * implement realloc (x, 0) (as required by both ansi c-89 and
1717 * the single unix specification, so work around them here. 1750 * the single unix specification, so work around them here.
1718 * recently, also (at least) fedora and debian started breaking it, 1751 * recently, also (at least) fedora and debian started breaking it,
… …
1724 1757
1725 free (ptr); 1758 free (ptr);
1726 return 0; 1759 return 0;
1727} 1760}
1728 1761
1729static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; 1762static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1730 1763
1731ecb_cold 1764ecb_cold
1732void 1765void
1733ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW 1766ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1734{ 1767{
1735 alloc = cb; 1768 alloc = cb;
1736} 1769}
1737 1770
1738inline_speed void * 1771inline_speed void *
… …
1765typedef struct 1798typedef struct
1766{ 1799{
1767 WL head; 1800 WL head;
1768 unsigned char events; /* the events watched for */ 1801 unsigned char events; /* the events watched for */
1769 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ 1802 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1770 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 1803 unsigned char emask; /* some backends store the actual kernel mask in here */
1771 unsigned char unused; 1804 unsigned char unused;
1772#if EV_USE_EPOLL 1805#if EV_USE_EPOLL
1773 unsigned int egen; /* generation counter to counter epoll bugs */ 1806 unsigned int egen; /* generation counter to counter epoll bugs */
1774#endif 1807#endif
1775#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 1808#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
… …
1855 1888
1856/*****************************************************************************/ 1889/*****************************************************************************/
1857 1890
1858#ifndef EV_HAVE_EV_TIME 1891#ifndef EV_HAVE_EV_TIME
1859ev_tstamp 1892ev_tstamp
1860ev_time (void) EV_THROW 1893ev_time (void) EV_NOEXCEPT
1861{ 1894{
1862#if EV_USE_REALTIME 1895#if EV_USE_REALTIME
1863 if (expect_true (have_realtime)) 1896 if (expect_true (have_realtime))
1864 { 1897 {
1865 struct timespec ts; 1898 struct timespec ts;
… …
1889 return ev_time (); 1922 return ev_time ();
1890} 1923}
1891 1924
1892#if EV_MULTIPLICITY 1925#if EV_MULTIPLICITY
1893ev_tstamp 1926ev_tstamp
1894ev_now (EV_P) EV_THROW 1927ev_now (EV_P) EV_NOEXCEPT
1895{ 1928{
1896 return ev_rt_now; 1929 return ev_rt_now;
1897} 1930}
1898#endif 1931#endif
1899 1932
1900void 1933void
1901ev_sleep (ev_tstamp delay) EV_THROW 1934ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1902{ 1935{
1903 if (delay > 0.) 1936 if (delay > 0.)
1904 { 1937 {
1905#if EV_USE_NANOSLEEP 1938#if EV_USE_NANOSLEEP
1906 struct timespec ts; 1939 struct timespec ts;
… …
1956{ 1989{
1957 *cur = array_nextsize (elem, *cur, cnt); 1990 *cur = array_nextsize (elem, *cur, cnt);
1958 return ev_realloc (base, elem * *cur); 1991 return ev_realloc (base, elem * *cur);
1959} 1992}
1960 1993
1994#define array_needsize_noinit(base,count)
1995
1961#define array_init_zero(base,count) \ 1996#define array_needsize_zerofill(base,count) \
1962 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1997 memset ((void *)(base), 0, sizeof (*(base)) * (count))
1963 1998
1964#define array_needsize(type,base,cur,cnt,init) \ 1999#define array_needsize(type,base,cur,cnt,init) \
1965 if (expect_false ((cnt) > (cur))) \ 2000 if (expect_false ((cnt) > (cur))) \
1966 { \ 2001 { \
… …
1992{ 2027{
1993} 2028}
1994 2029
1995noinline 2030noinline
1996void 2031void
1997ev_feed_event (EV_P_ void *w, int revents) EV_THROW 2032ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1998{ 2033{
1999 W w_ = (W)w; 2034 W w_ = (W)w;
2000 int pri = ABSPRI (w_); 2035 int pri = ABSPRI (w_);
2001 2036
2002 if (expect_false (w_->pending)) 2037 if (expect_false (w_->pending))
2003 pendings [pri][w_->pending - 1].events |= revents; 2038 pendings [pri][w_->pending - 1].events |= revents;
2004 else 2039 else
2005 { 2040 {
2006 w_->pending = ++pendingcnt [pri]; 2041 w_->pending = ++pendingcnt [pri];
2007 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 2042 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
2008 pendings [pri][w_->pending - 1].w = w_; 2043 pendings [pri][w_->pending - 1].w = w_;
2009 pendings [pri][w_->pending - 1].events = revents; 2044 pendings [pri][w_->pending - 1].events = revents;
2010 } 2045 }
2011 2046
2012 pendingpri = NUMPRI - 1; 2047 pendingpri = NUMPRI - 1;
2013} 2048}
2014 2049
2015inline_speed void 2050inline_speed void
2016feed_reverse (EV_P_ W w) 2051feed_reverse (EV_P_ W w)
2017{ 2052{
2018 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); 2053 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
2019 rfeeds [rfeedcnt++] = w; 2054 rfeeds [rfeedcnt++] = w;
2020} 2055}
2021 2056
2022inline_size void 2057inline_size void
2023feed_reverse_done (EV_P_ int revents) 2058feed_reverse_done (EV_P_ int revents)
… …
2063 if (expect_true (!anfd->reify)) 2098 if (expect_true (!anfd->reify))
2064 fd_event_nocheck (EV_A_ fd, revents); 2099 fd_event_nocheck (EV_A_ fd, revents);
2065} 2100}
2066 2101
2067void 2102void
2068ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW 2103ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
2069{ 2104{
2070 if (fd >= 0 && fd < anfdmax) 2105 if (fd >= 0 && fd < anfdmax)
2071 fd_event_nocheck (EV_A_ fd, revents); 2106 fd_event_nocheck (EV_A_ fd, revents);
2072} 2107}
2073 2108
… …
2141 anfds [fd].reify |= flags; 2176 anfds [fd].reify |= flags;
2142 2177
2143 if (expect_true (!reify)) 2178 if (expect_true (!reify))
2144 { 2179 {
2145 ++fdchangecnt; 2180 ++fdchangecnt;
2146 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 2181 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2147 fdchanges [fdchangecnt - 1] = fd; 2182 fdchanges [fdchangecnt - 1] = fd;
2148 } 2183 }
2149} 2184}
2150 2185
2151/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 2186/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
… …
2473#endif 2508#endif
2474 { 2509 {
2475#ifdef _WIN32 2510#ifdef _WIN32
2476 WSABUF buf; 2511 WSABUF buf;
2477 DWORD sent; 2512 DWORD sent;
2478 buf.buf = &buf; 2513 buf.buf = (char *)&buf;
2479 buf.len = 1; 2514 buf.len = 1;
2480 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); 2515 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2481#else 2516#else
2482 write (evpipe [1], &(evpipe [1]), 1); 2517 write (evpipe [1], &(evpipe [1]), 1);
2483#endif 2518#endif
… …
2555} 2590}
2556 2591
2557/*****************************************************************************/ 2592/*****************************************************************************/
2558 2593
2559void 2594void
2560ev_feed_signal (int signum) EV_THROW 2595ev_feed_signal (int signum) EV_NOEXCEPT
2561{ 2596{
2562#if EV_MULTIPLICITY 2597#if EV_MULTIPLICITY
2563 EV_P; 2598 EV_P;
2564 ECB_MEMORY_FENCE_ACQUIRE; 2599 ECB_MEMORY_FENCE_ACQUIRE;
2565 EV_A = signals [signum - 1].loop; 2600 EV_A = signals [signum - 1].loop;
… …
2582 ev_feed_signal (signum); 2617 ev_feed_signal (signum);
2583} 2618}
2584 2619
2585noinline 2620noinline
2586void 2621void
2587ev_feed_signal_event (EV_P_ int signum) EV_THROW 2622ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2588{ 2623{
2589 WL w; 2624 WL w;
2590 2625
2591 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2626 if (expect_false (signum <= 0 || signum >= EV_NSIG))
2592 return; 2627 return;
… …
2698# include "ev_port.c" 2733# include "ev_port.c"
2699#endif 2734#endif
2700#if EV_USE_KQUEUE 2735#if EV_USE_KQUEUE
2701# include "ev_kqueue.c" 2736# include "ev_kqueue.c"
2702#endif 2737#endif
2738#if EV_USE_LINUXAIO
2739# include "ev_linuxaio.c"
2740#endif
2703#if EV_USE_EPOLL 2741#if EV_USE_EPOLL
2704# include "ev_epoll.c" 2742# include "ev_epoll.c"
2705#endif 2743#endif
2706#if EV_USE_POLL 2744#if EV_USE_POLL
2707# include "ev_poll.c" 2745# include "ev_poll.c"
… …
2709#if EV_USE_SELECT 2747#if EV_USE_SELECT
2710# include "ev_select.c" 2748# include "ev_select.c"
2711#endif 2749#endif
2712 2750
2713ecb_cold int 2751ecb_cold int
2714ev_version_major (void) EV_THROW 2752ev_version_major (void) EV_NOEXCEPT
2715{ 2753{
2716 return EV_VERSION_MAJOR; 2754 return EV_VERSION_MAJOR;
2717} 2755}
2718 2756
2719ecb_cold int 2757ecb_cold int
2720ev_version_minor (void) EV_THROW 2758ev_version_minor (void) EV_NOEXCEPT
2721{ 2759{
2722 return EV_VERSION_MINOR; 2760 return EV_VERSION_MINOR;
2723} 2761}
2724 2762
2725/* return true if we are running with elevated privileges and should ignore env variables */ 2763/* return true if we are running with elevated privileges and should ignore env variables */
… …
2734#endif 2772#endif
2735} 2773}
2736 2774
2737ecb_cold 2775ecb_cold
2738unsigned int 2776unsigned int
2739ev_supported_backends (void) EV_THROW 2777ev_supported_backends (void) EV_NOEXCEPT
2740{ 2778{
2741 unsigned int flags = 0; 2779 unsigned int flags = 0;
2742 2780
2743 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2781 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2744 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2782 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2745 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 2783 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2784 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2746 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 2785 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2747 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2786 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2748 2787
2749 return flags; 2788 return flags;
2750} 2789}
2751 2790
2752ecb_cold 2791ecb_cold
2753unsigned int 2792unsigned int
2754ev_recommended_backends (void) EV_THROW 2793ev_recommended_backends (void) EV_NOEXCEPT
2755{ 2794{
2756 unsigned int flags = ev_supported_backends (); 2795 unsigned int flags = ev_supported_backends ();
2757 2796
2758#ifndef __NetBSD__ 2797#ifndef __NetBSD__
2759 /* kqueue is borked on everything but netbsd apparently */ 2798 /* kqueue is borked on everything but netbsd apparently */
… …
2767#endif 2806#endif
2768#ifdef __FreeBSD__ 2807#ifdef __FreeBSD__
2769 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ 2808 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2770#endif 2809#endif
2771 2810
2811 /* TODO: linuxaio is very experimental */
2812 flags &= ~EVBACKEND_LINUXAIO;
2813
2772 return flags; 2814 return flags;
2773} 2815}
2774 2816
2775ecb_cold 2817ecb_cold
2776unsigned int 2818unsigned int
2777ev_embeddable_backends (void) EV_THROW 2819ev_embeddable_backends (void) EV_NOEXCEPT
2778{ 2820{
2779 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2821 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2780 2822
2781 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2823 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2782 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2824 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2784 2826
2785 return flags; 2827 return flags;
2786} 2828}
2787 2829
2788unsigned int 2830unsigned int
2789ev_backend (EV_P) EV_THROW 2831ev_backend (EV_P) EV_NOEXCEPT
2790{ 2832{
2791 return backend; 2833 return backend;
2792} 2834}
2793 2835
2794#if EV_FEATURE_API 2836#if EV_FEATURE_API
2795unsigned int 2837unsigned int
2796ev_iteration (EV_P) EV_THROW 2838ev_iteration (EV_P) EV_NOEXCEPT
2797{ 2839{
2798 return loop_count; 2840 return loop_count;
2799} 2841}
2800 2842
2801unsigned int 2843unsigned int
2802ev_depth (EV_P) EV_THROW 2844ev_depth (EV_P) EV_NOEXCEPT
2803{ 2845{
2804 return loop_depth; 2846 return loop_depth;
2805} 2847}
2806 2848
2807void 2849void
2808ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2850ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2809{ 2851{
2810 io_blocktime = interval; 2852 io_blocktime = interval;
2811} 2853}
2812 2854
2813void 2855void
2814ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2856ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2815{ 2857{
2816 timeout_blocktime = interval; 2858 timeout_blocktime = interval;
2817} 2859}
2818 2860
2819void 2861void
2820ev_set_userdata (EV_P_ void *data) EV_THROW 2862ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2821{ 2863{
2822 userdata = data; 2864 userdata = data;
2823} 2865}
2824 2866
2825void * 2867void *
2826ev_userdata (EV_P) EV_THROW 2868ev_userdata (EV_P) EV_NOEXCEPT
2827{ 2869{
2828 return userdata; 2870 return userdata;
2829} 2871}
2830 2872
2831void 2873void
2832ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW 2874ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2833{ 2875{
2834 invoke_cb = invoke_pending_cb; 2876 invoke_cb = invoke_pending_cb;
2835} 2877}
2836 2878
2837void 2879void
2838ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW 2880ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2839{ 2881{
2840 release_cb = release; 2882 release_cb = release;
2841 acquire_cb = acquire; 2883 acquire_cb = acquire;
2842} 2884}
2843#endif 2885#endif
2844 2886
2845/* initialise a loop structure, must be zero-initialised */ 2887/* initialise a loop structure, must be zero-initialised */
2846noinline ecb_cold 2888noinline ecb_cold
2847static void 2889static void
2848loop_init (EV_P_ unsigned int flags) EV_THROW 2890loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2849{ 2891{
2850 if (!backend) 2892 if (!backend)
2851 { 2893 {
2852 origflags = flags; 2894 origflags = flags;
2853 2895
… …
2911 2953
2912 if (!(flags & EVBACKEND_MASK)) 2954 if (!(flags & EVBACKEND_MASK))
2913 flags |= ev_recommended_backends (); 2955 flags |= ev_recommended_backends ();
2914 2956
2915#if EV_USE_IOCP 2957#if EV_USE_IOCP
2916 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 2958 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2917#endif 2959#endif
2918#if EV_USE_PORT 2960#if EV_USE_PORT
2919 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 2961 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2920#endif 2962#endif
2921#if EV_USE_KQUEUE 2963#if EV_USE_KQUEUE
2922 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 2964 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
2965#endif
2966#if EV_USE_LINUXAIO
2967 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2923#endif 2968#endif
2924#if EV_USE_EPOLL 2969#if EV_USE_EPOLL
2925 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); 2970 if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2926#endif 2971#endif
2927#if EV_USE_POLL 2972#if EV_USE_POLL
2928 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); 2973 if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2929#endif 2974#endif
2930#if EV_USE_SELECT 2975#if EV_USE_SELECT
2931 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 2976 if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2932#endif 2977#endif
2933 2978
2934 ev_prepare_init (&pending_w, pendingcb); 2979 ev_prepare_init (&pending_w, pendingcb);
2935 2980
2936#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2981#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
… …
2991 3036
2992 if (backend_fd >= 0) 3037 if (backend_fd >= 0)
2993 close (backend_fd); 3038 close (backend_fd);
2994 3039
2995#if EV_USE_IOCP 3040#if EV_USE_IOCP
2996 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); 3041 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2997#endif 3042#endif
2998#if EV_USE_PORT 3043#if EV_USE_PORT
2999 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3044 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3000#endif 3045#endif
3001#if EV_USE_KQUEUE 3046#if EV_USE_KQUEUE
3002 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 3047 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3048#endif
3049#if EV_USE_LINUXAIO
3050 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3003#endif 3051#endif
3004#if EV_USE_EPOLL 3052#if EV_USE_EPOLL
3005 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); 3053 if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
3006#endif 3054#endif
3007#if EV_USE_POLL 3055#if EV_USE_POLL
3008 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); 3056 if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
3009#endif 3057#endif
3010#if EV_USE_SELECT 3058#if EV_USE_SELECT
3011 if (backend == EVBACKEND_SELECT) select_destroy (EV_A); 3059 if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
3012#endif 3060#endif
3013 3061
3014 for (i = NUMPRI; i--; ) 3062 for (i = NUMPRI; i--; )
3015 { 3063 {
3016 array_free (pending, [i]); 3064 array_free (pending, [i]);
… …
3058 3106
3059inline_size void 3107inline_size void
3060loop_fork (EV_P) 3108loop_fork (EV_P)
3061{ 3109{
3062#if EV_USE_PORT 3110#if EV_USE_PORT
3063 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3111 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3064#endif 3112#endif
3065#if EV_USE_KQUEUE 3113#if EV_USE_KQUEUE
3066 if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); 3114 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3115#endif
3116#if EV_USE_LINUXAIO
3117 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3067#endif 3118#endif
3068#if EV_USE_EPOLL 3119#if EV_USE_EPOLL
3069 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3120 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
3070#endif 3121#endif
3071#if EV_USE_INOTIFY 3122#if EV_USE_INOTIFY
3072 infy_fork (EV_A); 3123 infy_fork (EV_A);
3073#endif 3124#endif
3074 3125
… …
3094 3145
3095#if EV_MULTIPLICITY 3146#if EV_MULTIPLICITY
3096 3147
3097ecb_cold 3148ecb_cold
3098struct ev_loop * 3149struct ev_loop *
3099ev_loop_new (unsigned int flags) EV_THROW 3150ev_loop_new (unsigned int flags) EV_NOEXCEPT
3100{ 3151{
3101 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3152 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
3102 3153
3103 memset (EV_A, 0, sizeof (struct ev_loop)); 3154 memset (EV_A, 0, sizeof (struct ev_loop));
3104 loop_init (EV_A_ flags); 3155 loop_init (EV_A_ flags);
… …
3151} 3202}
3152#endif 3203#endif
3153 3204
3154#if EV_FEATURE_API 3205#if EV_FEATURE_API
3155void ecb_cold 3206void ecb_cold
3156ev_verify (EV_P) EV_THROW 3207ev_verify (EV_P) EV_NOEXCEPT
3157{ 3208{
3158#if EV_VERIFY 3209#if EV_VERIFY
3159 int i; 3210 int i;
3160 WL w, w2; 3211 WL w, w2;
3161 3212
… …
3242ecb_cold 3293ecb_cold
3243struct ev_loop * 3294struct ev_loop *
3244#else 3295#else
3245int 3296int
3246#endif 3297#endif
3247ev_default_loop (unsigned int flags) EV_THROW 3298ev_default_loop (unsigned int flags) EV_NOEXCEPT
3248{ 3299{
3249 if (!ev_default_loop_ptr) 3300 if (!ev_default_loop_ptr)
3250 { 3301 {
3251#if EV_MULTIPLICITY 3302#if EV_MULTIPLICITY
3252 EV_P = ev_default_loop_ptr = &default_loop_struct; 3303 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
3271 3322
3272 return ev_default_loop_ptr; 3323 return ev_default_loop_ptr;
3273} 3324}
3274 3325
3275void 3326void
3276ev_loop_fork (EV_P) EV_THROW 3327ev_loop_fork (EV_P) EV_NOEXCEPT
3277{ 3328{
3278 postfork = 1; 3329 postfork = 1;
3279} 3330}
3280 3331
3281/*****************************************************************************/ 3332/*****************************************************************************/
… …
3285{ 3336{
3286 EV_CB_INVOKE ((W)w, revents); 3337 EV_CB_INVOKE ((W)w, revents);
3287} 3338}
3288 3339
3289unsigned int 3340unsigned int
3290ev_pending_count (EV_P) EV_THROW 3341ev_pending_count (EV_P) EV_NOEXCEPT
3291{ 3342{
3292 int pri; 3343 int pri;
3293 unsigned int count = 0; 3344 unsigned int count = 0;
3294 3345
3295 for (pri = NUMPRI; pri--; ) 3346 for (pri = NUMPRI; pri--; )
… …
3302void 3353void
3303ev_invoke_pending (EV_P) 3354ev_invoke_pending (EV_P)
3304{ 3355{
3305 pendingpri = NUMPRI; 3356 pendingpri = NUMPRI;
3306 3357
3307 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ 3358 do
3308 { 3359 {
3309 --pendingpri; 3360 --pendingpri;
3310 3361
3362 /* pendingpri possibly gets modified in the inner loop */
3311 while (pendingcnt [pendingpri]) 3363 while (pendingcnt [pendingpri])
3312 { 3364 {
3313 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; 3365 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3314 3366
3315 p->w->pending = 0; 3367 p->w->pending = 0;
3316 EV_CB_INVOKE (p->w, p->events); 3368 EV_CB_INVOKE (p->w, p->events);
3317 EV_FREQUENT_CHECK; 3369 EV_FREQUENT_CHECK;
3318 } 3370 }
3319 } 3371 }
3372 while (pendingpri);
3320} 3373}
3321 3374
3322#if EV_IDLE_ENABLE 3375#if EV_IDLE_ENABLE
3323/* make idle watchers pending. this handles the "call-idle */ 3376/* make idle watchers pending. this handles the "call-idle */
3324/* only when higher priorities are idle" logic */ 3377/* only when higher priorities are idle" logic */
… …
3733 3786
3734 return activecnt; 3787 return activecnt;
3735} 3788}
3736 3789
3737void 3790void
3738ev_break (EV_P_ int how) EV_THROW 3791ev_break (EV_P_ int how) EV_NOEXCEPT
3739{ 3792{
3740 loop_done = how; 3793 loop_done = how;
3741} 3794}
3742 3795
3743void 3796void
3744ev_ref (EV_P) EV_THROW 3797ev_ref (EV_P) EV_NOEXCEPT
3745{ 3798{
3746 ++activecnt; 3799 ++activecnt;
3747} 3800}
3748 3801
3749void 3802void
3750ev_unref (EV_P) EV_THROW 3803ev_unref (EV_P) EV_NOEXCEPT
3751{ 3804{
3752 --activecnt; 3805 --activecnt;
3753} 3806}
3754 3807
3755void 3808void
3756ev_now_update (EV_P) EV_THROW 3809ev_now_update (EV_P) EV_NOEXCEPT
3757{ 3810{
3758 time_update (EV_A_ 1e100); 3811 time_update (EV_A_ 1e100);
3759} 3812}
3760 3813
3761void 3814void
3762ev_suspend (EV_P) EV_THROW 3815ev_suspend (EV_P) EV_NOEXCEPT
3763{ 3816{
3764 ev_now_update (EV_A); 3817 ev_now_update (EV_A);
3765} 3818}
3766 3819
3767void 3820void
3768ev_resume (EV_P) EV_THROW 3821ev_resume (EV_P) EV_NOEXCEPT
3769{ 3822{
3770 ev_tstamp mn_prev = mn_now; 3823 ev_tstamp mn_prev = mn_now;
3771 3824
3772 ev_now_update (EV_A); 3825 ev_now_update (EV_A);
3773 timers_reschedule (EV_A_ mn_now - mn_prev); 3826 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3812 w->pending = 0; 3865 w->pending = 0;
3813 } 3866 }
3814} 3867}
3815 3868
3816int 3869int
3817ev_clear_pending (EV_P_ void *w) EV_THROW 3870ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3818{ 3871{
3819 W w_ = (W)w; 3872 W w_ = (W)w;
3820 int pending = w_->pending; 3873 int pending = w_->pending;
3821 3874
3822 if (expect_true (pending)) 3875 if (expect_true (pending))
… …
3856 3909
3857/*****************************************************************************/ 3910/*****************************************************************************/
3858 3911
3859noinline 3912noinline
3860void 3913void
3861ev_io_start (EV_P_ ev_io *w) EV_THROW 3914ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3862{ 3915{
3863 int fd = w->fd; 3916 int fd = w->fd;
3864 3917
3865 if (expect_false (ev_is_active (w))) 3918 if (expect_false (ev_is_active (w)))
3866 return; 3919 return;
… …
3869 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 3922 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3870 3923
3871 EV_FREQUENT_CHECK; 3924 EV_FREQUENT_CHECK;
3872 3925
3873 ev_start (EV_A_ (W)w, 1); 3926 ev_start (EV_A_ (W)w, 1);
3874 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3927 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3875 wlist_add (&anfds[fd].head, (WL)w); 3928 wlist_add (&anfds[fd].head, (WL)w);
3876 3929
3877 /* common bug, apparently */ 3930 /* common bug, apparently */
3878 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); 3931 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3879 3932
… …
3883 EV_FREQUENT_CHECK; 3936 EV_FREQUENT_CHECK;
3884} 3937}
3885 3938
3886noinline 3939noinline
3887void 3940void
3888ev_io_stop (EV_P_ ev_io *w) EV_THROW 3941ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3889{ 3942{
3890 clear_pending (EV_A_ (W)w); 3943 clear_pending (EV_A_ (W)w);
3891 if (expect_false (!ev_is_active (w))) 3944 if (expect_false (!ev_is_active (w)))
3892 return; 3945 return;
3893 3946
… …
3903 EV_FREQUENT_CHECK; 3956 EV_FREQUENT_CHECK;
3904} 3957}
3905 3958
3906noinline 3959noinline
3907void 3960void
3908ev_timer_start (EV_P_ ev_timer *w) EV_THROW 3961ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3909{ 3962{
3910 if (expect_false (ev_is_active (w))) 3963 if (expect_false (ev_is_active (w)))
3911 return; 3964 return;
3912 3965
3913 ev_at (w) += mn_now; 3966 ev_at (w) += mn_now;
… …
3916 3969
3917 EV_FREQUENT_CHECK; 3970 EV_FREQUENT_CHECK;
3918 3971
3919 ++timercnt; 3972 ++timercnt;
3920 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 3973 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3921 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); 3974 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3922 ANHE_w (timers [ev_active (w)]) = (WT)w; 3975 ANHE_w (timers [ev_active (w)]) = (WT)w;
3923 ANHE_at_cache (timers [ev_active (w)]); 3976 ANHE_at_cache (timers [ev_active (w)]);
3924 upheap (timers, ev_active (w)); 3977 upheap (timers, ev_active (w));
3925 3978
3926 EV_FREQUENT_CHECK; 3979 EV_FREQUENT_CHECK;
… …
3928 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3981 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3929} 3982}
3930 3983
3931noinline 3984noinline
3932void 3985void
3933ev_timer_stop (EV_P_ ev_timer *w) EV_THROW 3986ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3934{ 3987{
3935 clear_pending (EV_A_ (W)w); 3988 clear_pending (EV_A_ (W)w);
3936 if (expect_false (!ev_is_active (w))) 3989 if (expect_false (!ev_is_active (w)))
3937 return; 3990 return;
3938 3991
… …
3959 EV_FREQUENT_CHECK; 4012 EV_FREQUENT_CHECK;
3960} 4013}
3961 4014
3962noinline 4015noinline
3963void 4016void
3964ev_timer_again (EV_P_ ev_timer *w) EV_THROW 4017ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3965{ 4018{
3966 EV_FREQUENT_CHECK; 4019 EV_FREQUENT_CHECK;
3967 4020
3968 clear_pending (EV_A_ (W)w); 4021 clear_pending (EV_A_ (W)w);
3969 4022
… …
3986 4039
3987 EV_FREQUENT_CHECK; 4040 EV_FREQUENT_CHECK;
3988} 4041}
3989 4042
3990ev_tstamp 4043ev_tstamp
3991ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW 4044ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3992{ 4045{
3993 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4046 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3994} 4047}
3995 4048
3996#if EV_PERIODIC_ENABLE 4049#if EV_PERIODIC_ENABLE
3997noinline 4050noinline
3998void 4051void
3999ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW 4052ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4000{ 4053{
4001 if (expect_false (ev_is_active (w))) 4054 if (expect_false (ev_is_active (w)))
4002 return; 4055 return;
4003 4056
4004 if (w->reschedule_cb) 4057 if (w->reschedule_cb)
… …
4013 4066
4014 EV_FREQUENT_CHECK; 4067 EV_FREQUENT_CHECK;
4015 4068
4016 ++periodiccnt; 4069 ++periodiccnt;
4017 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); 4070 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
4018 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); 4071 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
4019 ANHE_w (periodics [ev_active (w)]) = (WT)w; 4072 ANHE_w (periodics [ev_active (w)]) = (WT)w;
4020 ANHE_at_cache (periodics [ev_active (w)]); 4073 ANHE_at_cache (periodics [ev_active (w)]);
4021 upheap (periodics, ev_active (w)); 4074 upheap (periodics, ev_active (w));
4022 4075
4023 EV_FREQUENT_CHECK; 4076 EV_FREQUENT_CHECK;
… …
4025 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4078 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4026} 4079}
4027 4080
4028noinline 4081noinline
4029void 4082void
4030ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW 4083ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4031{ 4084{
4032 clear_pending (EV_A_ (W)w); 4085 clear_pending (EV_A_ (W)w);
4033 if (expect_false (!ev_is_active (w))) 4086 if (expect_false (!ev_is_active (w)))
4034 return; 4087 return;
4035 4088
… …
4054 EV_FREQUENT_CHECK; 4107 EV_FREQUENT_CHECK;
4055} 4108}
4056 4109
4057noinline 4110noinline
4058void 4111void
4059ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW 4112ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4060{ 4113{
4061 /* TODO: use adjustheap and recalculation */ 4114 /* TODO: use adjustheap and recalculation */
4062 ev_periodic_stop (EV_A_ w); 4115 ev_periodic_stop (EV_A_ w);
4063 ev_periodic_start (EV_A_ w); 4116 ev_periodic_start (EV_A_ w);
4064} 4117}
… …
4070 4123
4071#if EV_SIGNAL_ENABLE 4124#if EV_SIGNAL_ENABLE
4072 4125
4073noinline 4126noinline
4074void 4127void
4075ev_signal_start (EV_P_ ev_signal *w) EV_THROW 4128ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4076{ 4129{
4077 if (expect_false (ev_is_active (w))) 4130 if (expect_false (ev_is_active (w)))
4078 return; 4131 return;
4079 4132
4080 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4133 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
4153 EV_FREQUENT_CHECK; 4206 EV_FREQUENT_CHECK;
4154} 4207}
4155 4208
4156noinline 4209noinline
4157void 4210void
4158ev_signal_stop (EV_P_ ev_signal *w) EV_THROW 4211ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4159{ 4212{
4160 clear_pending (EV_A_ (W)w); 4213 clear_pending (EV_A_ (W)w);
4161 if (expect_false (!ev_is_active (w))) 4214 if (expect_false (!ev_is_active (w)))
4162 return; 4215 return;
4163 4216
… …
4194#endif 4247#endif
4195 4248
4196#if EV_CHILD_ENABLE 4249#if EV_CHILD_ENABLE
4197 4250
4198void 4251void
4199ev_child_start (EV_P_ ev_child *w) EV_THROW 4252ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4200{ 4253{
4201#if EV_MULTIPLICITY 4254#if EV_MULTIPLICITY
4202 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4255 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4203#endif 4256#endif
4204 if (expect_false (ev_is_active (w))) 4257 if (expect_false (ev_is_active (w)))
… …
4211 4264
4212 EV_FREQUENT_CHECK; 4265 EV_FREQUENT_CHECK;
4213} 4266}
4214 4267
4215void 4268void
4216ev_child_stop (EV_P_ ev_child *w) EV_THROW 4269ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4217{ 4270{
4218 clear_pending (EV_A_ (W)w); 4271 clear_pending (EV_A_ (W)w);
4219 if (expect_false (!ev_is_active (w))) 4272 if (expect_false (!ev_is_active (w)))
4220 return; 4273 return;
4221 4274
… …
4486#else 4539#else
4487# define EV_LSTAT(p,b) lstat (p, b) 4540# define EV_LSTAT(p,b) lstat (p, b)
4488#endif 4541#endif
4489 4542
4490void 4543void
4491ev_stat_stat (EV_P_ ev_stat *w) EV_THROW 4544ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4492{ 4545{
4493 if (lstat (w->path, &w->attr) < 0) 4546 if (lstat (w->path, &w->attr) < 0)
4494 w->attr.st_nlink = 0; 4547 w->attr.st_nlink = 0;
4495 else if (!w->attr.st_nlink) 4548 else if (!w->attr.st_nlink)
4496 w->attr.st_nlink = 1; 4549 w->attr.st_nlink = 1;
… …
4536 ev_feed_event (EV_A_ w, EV_STAT); 4589 ev_feed_event (EV_A_ w, EV_STAT);
4537 } 4590 }
4538} 4591}
4539 4592
4540void 4593void
4541ev_stat_start (EV_P_ ev_stat *w) EV_THROW 4594ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4542{ 4595{
4543 if (expect_false (ev_is_active (w))) 4596 if (expect_false (ev_is_active (w)))
4544 return; 4597 return;
4545 4598
4546 ev_stat_stat (EV_A_ w); 4599 ev_stat_stat (EV_A_ w);
… …
4567 4620
4568 EV_FREQUENT_CHECK; 4621 EV_FREQUENT_CHECK;
4569} 4622}
4570 4623
4571void 4624void
4572ev_stat_stop (EV_P_ ev_stat *w) EV_THROW 4625ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4573{ 4626{
4574 clear_pending (EV_A_ (W)w); 4627 clear_pending (EV_A_ (W)w);
4575 if (expect_false (!ev_is_active (w))) 4628 if (expect_false (!ev_is_active (w)))
4576 return; 4629 return;
4577 4630
… …
4593} 4646}
4594#endif 4647#endif
4595 4648
4596#if EV_IDLE_ENABLE 4649#if EV_IDLE_ENABLE
4597void 4650void
4598ev_idle_start (EV_P_ ev_idle *w) EV_THROW 4651ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4599{ 4652{
4600 if (expect_false (ev_is_active (w))) 4653 if (expect_false (ev_is_active (w)))
4601 return; 4654 return;
4602 4655
4603 pri_adjust (EV_A_ (W)w); 4656 pri_adjust (EV_A_ (W)w);
… …
4608 int active = ++idlecnt [ABSPRI (w)]; 4661 int active = ++idlecnt [ABSPRI (w)];
4609 4662
4610 ++idleall; 4663 ++idleall;
4611 ev_start (EV_A_ (W)w, active); 4664 ev_start (EV_A_ (W)w, active);
4612 4665
4613 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 4666 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4614 idles [ABSPRI (w)][active - 1] = w; 4667 idles [ABSPRI (w)][active - 1] = w;
4615 } 4668 }
4616 4669
4617 EV_FREQUENT_CHECK; 4670 EV_FREQUENT_CHECK;
4618} 4671}
4619 4672
4620void 4673void
4621ev_idle_stop (EV_P_ ev_idle *w) EV_THROW 4674ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4622{ 4675{
4623 clear_pending (EV_A_ (W)w); 4676 clear_pending (EV_A_ (W)w);
4624 if (expect_false (!ev_is_active (w))) 4677 if (expect_false (!ev_is_active (w)))
4625 return; 4678 return;
4626 4679
… …
4640} 4693}
4641#endif 4694#endif
4642 4695
4643#if EV_PREPARE_ENABLE 4696#if EV_PREPARE_ENABLE
4644void 4697void
4645ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW 4698ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4646{ 4699{
4647 if (expect_false (ev_is_active (w))) 4700 if (expect_false (ev_is_active (w)))
4648 return; 4701 return;
4649 4702
4650 EV_FREQUENT_CHECK; 4703 EV_FREQUENT_CHECK;
4651 4704
4652 ev_start (EV_A_ (W)w, ++preparecnt); 4705 ev_start (EV_A_ (W)w, ++preparecnt);
4653 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 4706 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4654 prepares [preparecnt - 1] = w; 4707 prepares [preparecnt - 1] = w;
4655 4708
4656 EV_FREQUENT_CHECK; 4709 EV_FREQUENT_CHECK;
4657} 4710}
4658 4711
4659void 4712void
4660ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW 4713ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4661{ 4714{
4662 clear_pending (EV_A_ (W)w); 4715 clear_pending (EV_A_ (W)w);
4663 if (expect_false (!ev_is_active (w))) 4716 if (expect_false (!ev_is_active (w)))
4664 return; 4717 return;
4665 4718
… …
4678} 4731}
4679#endif 4732#endif
4680 4733
4681#if EV_CHECK_ENABLE 4734#if EV_CHECK_ENABLE
4682void 4735void
4683ev_check_start (EV_P_ ev_check *w) EV_THROW 4736ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4684{ 4737{
4685 if (expect_false (ev_is_active (w))) 4738 if (expect_false (ev_is_active (w)))
4686 return; 4739 return;
4687 4740
4688 EV_FREQUENT_CHECK; 4741 EV_FREQUENT_CHECK;
4689 4742
4690 ev_start (EV_A_ (W)w, ++checkcnt); 4743 ev_start (EV_A_ (W)w, ++checkcnt);
4691 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 4744 array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4692 checks [checkcnt - 1] = w; 4745 checks [checkcnt - 1] = w;
4693 4746
4694 EV_FREQUENT_CHECK; 4747 EV_FREQUENT_CHECK;
4695} 4748}
4696 4749
4697void 4750void
4698ev_check_stop (EV_P_ ev_check *w) EV_THROW 4751ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4699{ 4752{
4700 clear_pending (EV_A_ (W)w); 4753 clear_pending (EV_A_ (W)w);
4701 if (expect_false (!ev_is_active (w))) 4754 if (expect_false (!ev_is_active (w)))
4702 return; 4755 return;
4703 4756
… …
4717#endif 4770#endif
4718 4771
4719#if EV_EMBED_ENABLE 4772#if EV_EMBED_ENABLE
4720noinline 4773noinline
4721void 4774void
4722ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW 4775ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4723{ 4776{
4724 ev_run (w->other, EVRUN_NOWAIT); 4777 ev_run (w->other, EVRUN_NOWAIT);
4725} 4778}
4726 4779
4727static void 4780static void
… …
4775 ev_idle_stop (EV_A_ idle); 4828 ev_idle_stop (EV_A_ idle);
4776} 4829}
4777#endif 4830#endif
4778 4831
4779void 4832void
4780ev_embed_start (EV_P_ ev_embed *w) EV_THROW 4833ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4781{ 4834{
4782 if (expect_false (ev_is_active (w))) 4835 if (expect_false (ev_is_active (w)))
4783 return; 4836 return;
4784 4837
4785 { 4838 {
… …
4806 4859
4807 EV_FREQUENT_CHECK; 4860 EV_FREQUENT_CHECK;
4808} 4861}
4809 4862
4810void 4863void
4811ev_embed_stop (EV_P_ ev_embed *w) EV_THROW 4864ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4812{ 4865{
4813 clear_pending (EV_A_ (W)w); 4866 clear_pending (EV_A_ (W)w);
4814 if (expect_false (!ev_is_active (w))) 4867 if (expect_false (!ev_is_active (w)))
4815 return; 4868 return;
4816 4869
… …
4826} 4879}
4827#endif 4880#endif
4828 4881
4829#if EV_FORK_ENABLE 4882#if EV_FORK_ENABLE
4830void 4883void
4831ev_fork_start (EV_P_ ev_fork *w) EV_THROW 4884ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4832{ 4885{
4833 if (expect_false (ev_is_active (w))) 4886 if (expect_false (ev_is_active (w)))
4834 return; 4887 return;
4835 4888
4836 EV_FREQUENT_CHECK; 4889 EV_FREQUENT_CHECK;
4837 4890
4838 ev_start (EV_A_ (W)w, ++forkcnt); 4891 ev_start (EV_A_ (W)w, ++forkcnt);
4839 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 4892 array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4840 forks [forkcnt - 1] = w; 4893 forks [forkcnt - 1] = w;
4841 4894
4842 EV_FREQUENT_CHECK; 4895 EV_FREQUENT_CHECK;
4843} 4896}
4844 4897
4845void 4898void
4846ev_fork_stop (EV_P_ ev_fork *w) EV_THROW 4899ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4847{ 4900{
4848 clear_pending (EV_A_ (W)w); 4901 clear_pending (EV_A_ (W)w);
4849 if (expect_false (!ev_is_active (w))) 4902 if (expect_false (!ev_is_active (w)))
4850 return; 4903 return;
4851 4904
… …
4864} 4917}
4865#endif 4918#endif
4866 4919
4867#if EV_CLEANUP_ENABLE 4920#if EV_CLEANUP_ENABLE
4868void 4921void
4869ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW 4922ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4870{ 4923{
4871 if (expect_false (ev_is_active (w))) 4924 if (expect_false (ev_is_active (w)))
4872 return; 4925 return;
4873 4926
4874 EV_FREQUENT_CHECK; 4927 EV_FREQUENT_CHECK;
4875 4928
4876 ev_start (EV_A_ (W)w, ++cleanupcnt); 4929 ev_start (EV_A_ (W)w, ++cleanupcnt);
4877 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); 4930 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4878 cleanups [cleanupcnt - 1] = w; 4931 cleanups [cleanupcnt - 1] = w;
4879 4932
4880 /* cleanup watchers should never keep a refcount on the loop */ 4933 /* cleanup watchers should never keep a refcount on the loop */
4881 ev_unref (EV_A); 4934 ev_unref (EV_A);
4882 EV_FREQUENT_CHECK; 4935 EV_FREQUENT_CHECK;
4883} 4936}
4884 4937
4885void 4938void
4886ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW 4939ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4887{ 4940{
4888 clear_pending (EV_A_ (W)w); 4941 clear_pending (EV_A_ (W)w);
4889 if (expect_false (!ev_is_active (w))) 4942 if (expect_false (!ev_is_active (w)))
4890 return; 4943 return;
4891 4944
… …
4905} 4958}
4906#endif 4959#endif
4907 4960
4908#if EV_ASYNC_ENABLE 4961#if EV_ASYNC_ENABLE
4909void 4962void
4910ev_async_start (EV_P_ ev_async *w) EV_THROW 4963ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4911{ 4964{
4912 if (expect_false (ev_is_active (w))) 4965 if (expect_false (ev_is_active (w)))
4913 return; 4966 return;
4914 4967
4915 w->sent = 0; 4968 w->sent = 0;
… …
4917 evpipe_init (EV_A); 4970 evpipe_init (EV_A);
4918 4971
4919 EV_FREQUENT_CHECK; 4972 EV_FREQUENT_CHECK;
4920 4973
4921 ev_start (EV_A_ (W)w, ++asynccnt); 4974 ev_start (EV_A_ (W)w, ++asynccnt);
4922 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 4975 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4923 asyncs [asynccnt - 1] = w; 4976 asyncs [asynccnt - 1] = w;
4924 4977
4925 EV_FREQUENT_CHECK; 4978 EV_FREQUENT_CHECK;
4926} 4979}
4927 4980
4928void 4981void
4929ev_async_stop (EV_P_ ev_async *w) EV_THROW 4982ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4930{ 4983{
4931 clear_pending (EV_A_ (W)w); 4984 clear_pending (EV_A_ (W)w);
4932 if (expect_false (!ev_is_active (w))) 4985 if (expect_false (!ev_is_active (w)))
4933 return; 4986 return;
4934 4987
… …
4945 4998
4946 EV_FREQUENT_CHECK; 4999 EV_FREQUENT_CHECK;
4947} 5000}
4948 5001
4949void 5002void
4950ev_async_send (EV_P_ ev_async *w) EV_THROW 5003ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4951{ 5004{
4952 w->sent = 1; 5005 w->sent = 1;
4953 evpipe_write (EV_A_ &async_pending); 5006 evpipe_write (EV_A_ &async_pending);
4954} 5007}
4955#endif 5008#endif
… …
4992 5045
4993 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 5046 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4994} 5047}
4995 5048
4996void 5049void
4997ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW 5050ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4998{ 5051{
4999 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 5052 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
5000
5001 if (expect_false (!once))
5002 {
5003 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
5004 return;
5005 }
5006 5053
5007 once->cb = cb; 5054 once->cb = cb;
5008 once->arg = arg; 5055 once->arg = arg;
5009 5056
5010 ev_init (&once->io, once_cb_io); 5057 ev_init (&once->io, once_cb_io);
… …
5025/*****************************************************************************/ 5072/*****************************************************************************/
5026 5073
5027#if EV_WALK_ENABLE 5074#if EV_WALK_ENABLE
5028ecb_cold 5075ecb_cold
5029void 5076void
5030ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW 5077ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
5031{ 5078{
5032 int i, j; 5079 int i, j;
5033 ev_watcher_list *wl, *wn; 5080 ev_watcher_list *wl, *wn;
5034 5081
5035 if (types & (EV_IO | EV_EMBED)) 5082 if (types & (EV_IO | EV_EMBED))

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