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Comparing libev/ev.c (file contents):
Revision 1.383 by root, Wed Jul 20 00:40:14 2011 UTC vs.
Revision 1.458 by root, Sun Oct 27 16:26:07 2013 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 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011,2012 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	*
…		…
59	# endif	59	# endif
60	# ifndef EV_USE_MONOTONIC	60	# ifndef EV_USE_MONOTONIC
61	# define EV_USE_MONOTONIC 1	61	# define EV_USE_MONOTONIC 1
62	# endif	62	# endif
63	# endif	63	# endif
64	# elif !defined(EV_USE_CLOCK_SYSCALL)	64	# elif !defined EV_USE_CLOCK_SYSCALL
65	# define EV_USE_CLOCK_SYSCALL 0	65	# define EV_USE_CLOCK_SYSCALL 0
66	# endif	66	# endif
67		67
68	# if HAVE_CLOCK_GETTIME	68	# if HAVE_CLOCK_GETTIME
69	# ifndef EV_USE_MONOTONIC	69	# ifndef EV_USE_MONOTONIC
…		…
183	# include EV_H	183	# include EV_H
184	#else	184	#else
185	# include "ev.h"	185	# include "ev.h"
186	#endif	186	#endif
187		187
188	EV_CPP(extern "C" {)	188	#if EV_NO_THREADS
		189	# undef EV_NO_SMP
		190	# define EV_NO_SMP 1
		191	# undef ECB_NO_THREADS
		192	# define ECB_NO_THREADS 1
		193	#endif
		194	#if EV_NO_SMP
		195	# undef EV_NO_SMP
		196	# define ECB_NO_SMP 1
		197	#endif
189		198
190	#ifndef _WIN32	199	#ifndef _WIN32
191	# include <sys/time.h>	200	# include <sys/time.h>
192	# include <sys/wait.h>	201	# include <sys/wait.h>
193	# include <unistd.h>	202	# include <unistd.h>
194	#else	203	#else
195	# include <io.h>	204	# include <io.h>
196	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
197	# include <windows.h>	207	# include <windows.h>
198	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
199	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
200	# endif	210	# endif
201	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
210	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
211		221
212	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
213		223
214	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
215	#if defined (EV_NSIG)	225	#if defined EV_NSIG
216	/* use what's provided */	226	/* use what's provided */
217	#elif defined (NSIG)	227	#elif defined NSIG
218	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
219	#elif defined(_NSIG)	229	#elif defined _NSIG
220	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
221	#elif defined (SIGMAX)	231	#elif defined SIGMAX
222	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
223	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
224	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
225	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
226	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
227	#elif defined (MAXSIG)	237	#elif defined MAXSIG
228	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
229	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
230	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
231	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
232	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
234	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235	#else	245	#else
236	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
237	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	261	# endif
252	#endif	262	#endif
253		263
254	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	267	# else
258	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
259	# endif	269	# endif
260	#endif	270	#endif
…		…
347		357
348	#ifndef EV_HEAP_CACHE_AT	358	#ifndef EV_HEAP_CACHE_AT
349	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350	#endif	360	#endif
351		361
		362	#ifdef ANDROID
		363	/* supposedly, android doesn't typedef fd_mask */
		364	# undef EV_USE_SELECT
		365	# define EV_USE_SELECT 0
		366	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		367	# undef EV_USE_CLOCK_SYSCALL
		368	# define EV_USE_CLOCK_SYSCALL 0
		369	#endif
		370
		371	/* aix's poll.h seems to cause lots of trouble */
		372	#ifdef _AIX
		373	/* AIX has a completely broken poll.h header */
		374	# undef EV_USE_POLL
		375	# define EV_USE_POLL 0
		376	#endif
		377
352	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	378	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
353	/* which makes programs even slower. might work on other unices, too. */	379	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	380	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	381	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	382	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	383	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	384	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	385	# define EV_USE_MONOTONIC 1
360	# else	386	# else
…		…
363	# endif	389	# endif
364	#endif	390	#endif
365		391
366	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	392	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
367		393
368	#ifdef _AIX
369	/* AIX has a completely broken poll.h header */
370	# undef EV_USE_POLL
371	# define EV_USE_POLL 0
372	#endif
373
374	#ifndef CLOCK_MONOTONIC	394	#ifndef CLOCK_MONOTONIC
375	# undef EV_USE_MONOTONIC	395	# undef EV_USE_MONOTONIC
376	# define EV_USE_MONOTONIC 0	396	# define EV_USE_MONOTONIC 0
377	#endif	397	#endif
378		398
…		…
386	# define EV_USE_INOTIFY 0	406	# define EV_USE_INOTIFY 0
387	#endif	407	#endif
388		408
389	#if !EV_USE_NANOSLEEP	409	#if !EV_USE_NANOSLEEP
390	/* hp-ux has it in sys/time.h, which we unconditionally include above */	410	/* hp-ux has it in sys/time.h, which we unconditionally include above */
391	# if !defined(_WIN32) && !defined(__hpux)	411	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	412	# include <sys/select.h>
393	# endif	413	# endif
394	#endif	414	#endif
395		415
396	#if EV_USE_INOTIFY	416	#if EV_USE_INOTIFY
…		…
399	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	419	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400	# ifndef IN_DONT_FOLLOW	420	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	421	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	422	# define EV_USE_INOTIFY 0
403	# endif	423	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	424	#endif
409		425
410	#if EV_USE_EVENTFD	426	#if EV_USE_EVENTFD
411	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	427	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412	# include <stdint.h>	428	# include <stdint.h>
…		…
464	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	480	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465		481
466	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	482	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
467	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)	483	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468		484
469	/* the following are taken from libecb */	485	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ecb.h start */	486	/* ECB.H BEGIN */
		487	/*
		488	* libecb - http://software.schmorp.de/pkg/libecb
		489	*
		490	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
		491	* Copyright (©) 2011 Emanuele Giaquinta
		492	* All rights reserved.
		493	*
		494	* Redistribution and use in source and binary forms, with or without modifica-
		495	* tion, are permitted provided that the following conditions are met:
		496	*
		497	* 1. Redistributions of source code must retain the above copyright notice,
		498	* this list of conditions and the following disclaimer.
		499	*
		500	* 2. Redistributions in binary form must reproduce the above copyright
		501	* notice, this list of conditions and the following disclaimer in the
		502	* documentation and/or other materials provided with the distribution.
		503	*
		504	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
		505	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
		506	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
		507	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
		508	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		509	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		510	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		511	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
		512	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
		513	* OF THE POSSIBILITY OF SUCH DAMAGE.
		514	*/
		515
		516	#ifndef ECB_H
		517	#define ECB_H
		518
		519	/* 16 bits major, 16 bits minor */
		520	#define ECB_VERSION 0x00010003
		521
		522	#ifdef _WIN32
		523	typedef signed char int8_t;
		524	typedef unsigned char uint8_t;
		525	typedef signed short int16_t;
		526	typedef unsigned short uint16_t;
		527	typedef signed int int32_t;
		528	typedef unsigned int uint32_t;
		529	#if __GNUC__
		530	typedef signed long long int64_t;
		531	typedef unsigned long long uint64_t;
		532	#else /* _MSC_VER || __BORLANDC__ */
		533	typedef signed __int64 int64_t;
		534	typedef unsigned __int64 uint64_t;
		535	#endif
		536	#ifdef _WIN64
		537	#define ECB_PTRSIZE 8
		538	typedef uint64_t uintptr_t;
		539	typedef int64_t intptr_t;
		540	#else
		541	#define ECB_PTRSIZE 4
		542	typedef uint32_t uintptr_t;
		543	typedef int32_t intptr_t;
		544	#endif
		545	#else
		546	#include <inttypes.h>
		547	#if UINTMAX_MAX > 0xffffffffU
		548	#define ECB_PTRSIZE 8
		549	#else
		550	#define ECB_PTRSIZE 4
		551	#endif
		552	#endif
		553
		554	/* work around x32 idiocy by defining proper macros */
		555	#if __x86_64 || _M_AMD64
		556	#if _ILP32
		557	#define ECB_AMD64_X32 1
		558	#else
		559	#define ECB_AMD64 1
		560	#endif
		561	#endif
471		562
472	/* many compilers define _GNUC_ to some versions but then only implement	563	/* many compilers define _GNUC_ to some versions but then only implement
473	* what their idiot authors think are the "more important" extensions,	564	* what their idiot authors think are the "more important" extensions,
474	* causing enourmous grief in return for some better fake benchmark numbers.	565	* causing enormous grief in return for some better fake benchmark numbers.
475	* or so.	566	* or so.
476	* we try to detect these and simply assume they are not gcc - if they have	567	* we try to detect these and simply assume they are not gcc - if they have
477	* an issue with that they should have done it right in the first place.	568	* an issue with that they should have done it right in the first place.
478	*/	569	*/
479	#ifndef ECB_GCC_VERSION	570	#ifndef ECB_GCC_VERSION
480	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	571	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
481	#define ECB_GCC_VERSION(major,minor) 0	572	#define ECB_GCC_VERSION(major,minor) 0
482	#else	573	#else
483	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	574	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
484	#endif	575	#endif
485	#endif	576	#endif
		577
		578	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		579	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		580	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		581	#define ECB_CPP (__cplusplus+0)
		582	#define ECB_CPP11 (__cplusplus >= 201103L)
		583
		584	#if ECB_CPP
		585	#define ECB_EXTERN_C extern "C"
		586	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		587	#define ECB_EXTERN_C_END }
		588	#else
		589	#define ECB_EXTERN_C extern
		590	#define ECB_EXTERN_C_BEG
		591	#define ECB_EXTERN_C_END
		592	#endif
		593
		594	/*****************************************************************************/
		595
		596	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
		597	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
		598
		599	#if ECB_NO_THREADS
		600	#define ECB_NO_SMP 1
		601	#endif
		602
		603	#if ECB_NO_SMP
		604	#define ECB_MEMORY_FENCE do { } while (0)
		605	#endif
		606
		607	#ifndef ECB_MEMORY_FENCE
		608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		609	#if __i386 || __i386__
		610	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		611	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		612	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		613	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
		614	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		615	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		616	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		617	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		619	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		620	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		622	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		623	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		624	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		625	#elif __sparc || __sparc__
		626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		629	#elif defined __s390__ || defined __s390x__
		630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		631	#elif defined __mips__
		632	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		633	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		634	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		635	#elif defined __alpha__
		636	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		637	#elif defined __hppa__
		638	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		639	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		640	#elif defined __ia64__
		641	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		642	#elif defined __m68k__
		643	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		644	#elif defined __m88k__
		645	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		646	#elif defined __sh__
		647	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		648	#endif
		649	#endif
		650	#endif
		651
		652	#ifndef ECB_MEMORY_FENCE
		653	#if ECB_GCC_VERSION(4,7)
		654	/* see comment below (stdatomic.h) about the C11 memory model. */
		655	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		656
		657	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		658	* without risking compile time errors with other compilers. We *could*
		659	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		660	* around this shit time and again.
		661	* #elif defined __clang && __has_feature (cxx_atomic)
		662	* // see comment below (stdatomic.h) about the C11 memory model.
		663	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		664	*/
		665
		666	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
		667	#define ECB_MEMORY_FENCE __sync_synchronize ()
		668	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		669	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		670	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		671	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		672	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		673	#elif defined _WIN32
		674	#include <WinNT.h>
		675	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		676	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		677	#include <mbarrier.h>
		678	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		679	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		680	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		681	#elif __xlC__
		682	#define ECB_MEMORY_FENCE __sync ()
		683	#endif
		684	#endif
		685
		686	#ifndef ECB_MEMORY_FENCE
		687	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		688	/* we assume that these memory fences work on all variables/all memory accesses, */
		689	/* not just C11 atomics and atomic accesses */
		690	#include <stdatomic.h>
		691	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		692	/* any fence other than seq_cst, which isn't very efficient for us. */
		693	/* Why that is, we don't know - either the C11 memory model is quite useless */
		694	/* for most usages, or gcc and clang have a bug */
		695	/* I *currently* lean towards the latter, and inefficiently implement */
		696	/* all three of ecb's fences as a seq_cst fence */
		697	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		698	#endif
		699	#endif
		700
		701	#ifndef ECB_MEMORY_FENCE
		702	#if !ECB_AVOID_PTHREADS
		703	/*
		704	* if you get undefined symbol references to pthread_mutex_lock,
		705	* or failure to find pthread.h, then you should implement
		706	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		707	* OR provide pthread.h and link against the posix thread library
		708	* of your system.
		709	*/
		710	#include <pthread.h>
		711	#define ECB_NEEDS_PTHREADS 1
		712	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
		713
		714	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		715	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		716	#endif
		717	#endif
		718
		719	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
		720	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		721	#endif
		722
		723	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
		724	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		725	#endif
		726
		727	/*****************************************************************************/
486		728
487	#if __cplusplus	729	#if __cplusplus
488	#define ecb_inline static inline	730	#define ecb_inline static inline
489	#elif ECB_GCC_VERSION(2,5)	731	#elif ECB_GCC_VERSION(2,5)
490	#define ecb_inline static __inline__	732	#define ecb_inline static __inline__
…		…
492	#define ecb_inline static inline	734	#define ecb_inline static inline
493	#else	735	#else
494	#define ecb_inline static	736	#define ecb_inline static
495	#endif	737	#endif
496		738
497	#ifndef ECB_MEMORY_FENCE
498	#if ECB_GCC_VERSION(2,5)	739	#if ECB_GCC_VERSION(3,3)
499	#if __x86	740	#define ecb_restrict __restrict__
500	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	741	#elif ECB_C99
501	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	742	#define ecb_restrict restrict
502	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE /* better be safe than sorry */	743	#else
503	#elif __amd64	744	#define ecb_restrict
504	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
505	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
506	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence")
507	#endif
508	#endif	745	#endif
509	#endif
510		746
511	#ifndef ECB_MEMORY_FENCE	747	typedef int ecb_bool;
512	#if ECB_GCC_VERSION(4,4)
513	#define ECB_MEMORY_FENCE __sync_synchronize ()
514	#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); })
515	#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); })
516	#elif _MSC_VER >= 1400
517	#define ECB_MEMORY_FENCE do { } while (0)
518	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
519	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
520	#elif defined(_WIN32) && defined(MemoryBarrier)
521	#define ECB_MEMORY_FENCE MemoryBarrier ()
522	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
523	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
524	#endif
525	#endif
526		748
527	#ifndef ECB_MEMORY_FENCE	749	#define ECB_CONCAT_(a, b) a ## b
528	#include <pthread.h>	750	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
		751	#define ECB_STRINGIFY_(a) # a
		752	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
529		753
530	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	754	#define ecb_function_ ecb_inline
531	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
532	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
533	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
534	#endif
535		755
536	#if ECB_GCC_VERSION(3,1)	756	#if ECB_GCC_VERSION(3,1)
537	#define ecb_attribute(attrlist) __attribute__(attrlist)	757	#define ecb_attribute(attrlist) __attribute__(attrlist)
538	#define ecb_is_constant(expr) __builtin_constant_p (expr)	758	#define ecb_is_constant(expr) __builtin_constant_p (expr)
539	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	759	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
…		…
543	#define ecb_is_constant(expr) 0	763	#define ecb_is_constant(expr) 0
544	#define ecb_expect(expr,value) (expr)	764	#define ecb_expect(expr,value) (expr)
545	#define ecb_prefetch(addr,rw,locality)	765	#define ecb_prefetch(addr,rw,locality)
546	#endif	766	#endif
547		767
		768	/* no emulation for ecb_decltype */
		769	#if ECB_GCC_VERSION(4,5)
		770	#define ecb_decltype(x) __decltype(x)
		771	#elif ECB_GCC_VERSION(3,0)
		772	#define ecb_decltype(x) __typeof(x)
		773	#endif
		774
548	#define ecb_noinline ecb_attribute ((__noinline__))	775	#define ecb_noinline ecb_attribute ((__noinline__))
549	#define ecb_noreturn ecb_attribute ((__noreturn__))
550	#define ecb_unused ecb_attribute ((__unused__))	776	#define ecb_unused ecb_attribute ((__unused__))
551	#define ecb_const ecb_attribute ((__const__))	777	#define ecb_const ecb_attribute ((__const__))
552	#define ecb_pure ecb_attribute ((__pure__))	778	#define ecb_pure ecb_attribute ((__pure__))
		779
		780	#if ECB_C11
		781	#define ecb_noreturn _Noreturn
		782	#else
		783	#define ecb_noreturn ecb_attribute ((__noreturn__))
		784	#endif
553		785
554	#if ECB_GCC_VERSION(4,3)	786	#if ECB_GCC_VERSION(4,3)
555	#define ecb_artificial ecb_attribute ((__artificial__))	787	#define ecb_artificial ecb_attribute ((__artificial__))
556	#define ecb_hot ecb_attribute ((__hot__))	788	#define ecb_hot ecb_attribute ((__hot__))
557	#define ecb_cold ecb_attribute ((__cold__))	789	#define ecb_cold ecb_attribute ((__cold__))
…		…
564	/* put around conditional expressions if you are very sure that the */	796	/* put around conditional expressions if you are very sure that the */
565	/* expression is mostly true or mostly false. note that these return */	797	/* expression is mostly true or mostly false. note that these return */
566	/* booleans, not the expression. */	798	/* booleans, not the expression. */
567	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)	799	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
568	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)	800	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
569	/* ecb.h end */	801	/* for compatibility to the rest of the world */
		802	#define ecb_likely(expr) ecb_expect_true (expr)
		803	#define ecb_unlikely(expr) ecb_expect_false (expr)
		804
		805	/* count trailing zero bits and count # of one bits */
		806	#if ECB_GCC_VERSION(3,4)
		807	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
		808	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
		809	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
		810	#define ecb_ctz32(x) __builtin_ctz (x)
		811	#define ecb_ctz64(x) __builtin_ctzll (x)
		812	#define ecb_popcount32(x) __builtin_popcount (x)
		813	/* no popcountll */
		814	#else
		815	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
		816	ecb_function_ int
		817	ecb_ctz32 (uint32_t x)
		818	{
		819	int r = 0;
		820
		821	x &= ~x + 1; /* this isolates the lowest bit */
		822
		823	#if ECB_branchless_on_i386
		824	r += !!(x & 0xaaaaaaaa) << 0;
		825	r += !!(x & 0xcccccccc) << 1;
		826	r += !!(x & 0xf0f0f0f0) << 2;
		827	r += !!(x & 0xff00ff00) << 3;
		828	r += !!(x & 0xffff0000) << 4;
		829	#else
		830	if (x & 0xaaaaaaaa) r += 1;
		831	if (x & 0xcccccccc) r += 2;
		832	if (x & 0xf0f0f0f0) r += 4;
		833	if (x & 0xff00ff00) r += 8;
		834	if (x & 0xffff0000) r += 16;
		835	#endif
		836
		837	return r;
		838	}
		839
		840	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
		841	ecb_function_ int
		842	ecb_ctz64 (uint64_t x)
		843	{
		844	int shift = x & 0xffffffffU ? 0 : 32;
		845	return ecb_ctz32 (x >> shift) + shift;
		846	}
		847
		848	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
		849	ecb_function_ int
		850	ecb_popcount32 (uint32_t x)
		851	{
		852	x -= (x >> 1) & 0x55555555;
		853	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
		854	x = ((x >> 4) + x) & 0x0f0f0f0f;
		855	x *= 0x01010101;
		856
		857	return x >> 24;
		858	}
		859
		860	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
		861	ecb_function_ int ecb_ld32 (uint32_t x)
		862	{
		863	int r = 0;
		864
		865	if (x >> 16) { x >>= 16; r += 16; }
		866	if (x >> 8) { x >>= 8; r += 8; }
		867	if (x >> 4) { x >>= 4; r += 4; }
		868	if (x >> 2) { x >>= 2; r += 2; }
		869	if (x >> 1) { r += 1; }
		870
		871	return r;
		872	}
		873
		874	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
		875	ecb_function_ int ecb_ld64 (uint64_t x)
		876	{
		877	int r = 0;
		878
		879	if (x >> 32) { x >>= 32; r += 32; }
		880
		881	return r + ecb_ld32 (x);
		882	}
		883	#endif
		884
		885	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		886	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		887	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		888	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		889
		890	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		891	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		892	{
		893	return ( (x * 0x0802U & 0x22110U)
		894	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		895	}
		896
		897	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		898	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		899	{
		900	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		901	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		902	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		903	x = ( x >> 8 ) | ( x << 8);
		904
		905	return x;
		906	}
		907
		908	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		909	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		910	{
		911	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		912	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		913	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		914	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		915	x = ( x >> 16 ) | ( x << 16);
		916
		917	return x;
		918	}
		919
		920	/* popcount64 is only available on 64 bit cpus as gcc builtin */
		921	/* so for this version we are lazy */
		922	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
		923	ecb_function_ int
		924	ecb_popcount64 (uint64_t x)
		925	{
		926	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
		927	}
		928
		929	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
		930	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
		931	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
		932	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
		933	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
		934	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
		935	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
		936	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
		937
		938	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
		939	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
		940	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
		941	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
		942	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
		943	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
		944	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
		945	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
		946
		947	#if ECB_GCC_VERSION(4,3)
		948	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		949	#define ecb_bswap32(x) __builtin_bswap32 (x)
		950	#define ecb_bswap64(x) __builtin_bswap64 (x)
		951	#else
		952	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
		953	ecb_function_ uint16_t
		954	ecb_bswap16 (uint16_t x)
		955	{
		956	return ecb_rotl16 (x, 8);
		957	}
		958
		959	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
		960	ecb_function_ uint32_t
		961	ecb_bswap32 (uint32_t x)
		962	{
		963	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
		964	}
		965
		966	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
		967	ecb_function_ uint64_t
		968	ecb_bswap64 (uint64_t x)
		969	{
		970	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
		971	}
		972	#endif
		973
		974	#if ECB_GCC_VERSION(4,5)
		975	#define ecb_unreachable() __builtin_unreachable ()
		976	#else
		977	/* this seems to work fine, but gcc always emits a warning for it :/ */
		978	ecb_inline void ecb_unreachable (void) ecb_noreturn;
		979	ecb_inline void ecb_unreachable (void) { }
		980	#endif
		981
		982	/* try to tell the compiler that some condition is definitely true */
		983	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
		984
		985	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
		986	ecb_inline unsigned char
		987	ecb_byteorder_helper (void)
		988	{
		989	/* the union code still generates code under pressure in gcc, */
		990	/* but less than using pointers, and always seems to */
		991	/* successfully return a constant. */
		992	/* the reason why we have this horrible preprocessor mess */
		993	/* is to avoid it in all cases, at least on common architectures */
		994	/* or when using a recent enough gcc version (>= 4.6) */
		995	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		996	return 0x44;
		997	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		998	return 0x44;
		999	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1000	return 0x11;
		1001	#else
		1002	union
		1003	{
		1004	uint32_t i;
		1005	uint8_t c;
		1006	} u = { 0x11223344 };
		1007	return u.c;
		1008	#endif
		1009	}
		1010
		1011	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
		1012	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
		1013	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
		1014	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
		1015
		1016	#if ECB_GCC_VERSION(3,0) || ECB_C99
		1017	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
		1018	#else
		1019	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1020	#endif
		1021
		1022	#if __cplusplus
		1023	template<typename T>
		1024	static inline T ecb_div_rd (T val, T div)
		1025	{
		1026	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1027	}
		1028	template<typename T>
		1029	static inline T ecb_div_ru (T val, T div)
		1030	{
		1031	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1032	}
		1033	#else
		1034	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1035	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
		1036	#endif
		1037
		1038	#if ecb_cplusplus_does_not_suck
		1039	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
		1040	template<typename T, int N>
		1041	static inline int ecb_array_length (const T (&arr)[N])
		1042	{
		1043	return N;
		1044	}
		1045	#else
		1046	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
		1047	#endif
		1048
		1049	/*******************************************************************************/
		1050	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1051
		1052	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1053	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1054	#if 0 \
		1055	|| __i386 || __i386__ \
		1056	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1057	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1058	|| defined __arm__ && defined __ARM_EABI__ \
		1059	|| defined __s390__ || defined __s390x__ \
		1060	|| defined __mips__ \
		1061	|| defined __alpha__ \
		1062	|| defined __hppa__ \
		1063	|| defined __ia64__ \
		1064	|| defined __m68k__ \
		1065	|| defined __m88k__ \
		1066	|| defined __sh__ \
		1067	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1068	#define ECB_STDFP 1
		1069	#include <string.h> /* for memcpy */
		1070	#else
		1071	#define ECB_STDFP 0
		1072	#endif
		1073
		1074	#ifndef ECB_NO_LIBM
		1075
		1076	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1077
		1078	#ifdef NEN
		1079	#define ECB_NAN NAN
		1080	#else
		1081	#define ECB_NAN INFINITY
		1082	#endif
		1083
		1084	/* converts an ieee half/binary16 to a float */
		1085	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
		1086	ecb_function_ float
		1087	ecb_binary16_to_float (uint16_t x)
		1088	{
		1089	int e = (x >> 10) & 0x1f;
		1090	int m = x & 0x3ff;
		1091	float r;
		1092
		1093	if (!e ) r = ldexpf (m , -24);
		1094	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
		1095	else if (m ) r = ECB_NAN;
		1096	else r = INFINITY;
		1097
		1098	return x & 0x8000 ? -r : r;
		1099	}
		1100
		1101	/* convert a float to ieee single/binary32 */
		1102	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1103	ecb_function_ uint32_t
		1104	ecb_float_to_binary32 (float x)
		1105	{
		1106	uint32_t r;
		1107
		1108	#if ECB_STDFP
		1109	memcpy (&r, &x, 4);
		1110	#else
		1111	/* slow emulation, works for anything but -0 */
		1112	uint32_t m;
		1113	int e;
		1114
		1115	if (x == 0e0f ) return 0x00000000U;
		1116	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1117	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1118	if (x != x ) return 0x7fbfffffU;
		1119
		1120	m = frexpf (x, &e) * 0x1000000U;
		1121
		1122	r = m & 0x80000000U;
		1123
		1124	if (r)
		1125	m = -m;
		1126
		1127	if (e <= -126)
		1128	{
		1129	m &= 0xffffffU;
		1130	m >>= (-125 - e);
		1131	e = -126;
		1132	}
		1133
		1134	r |= (e + 126) << 23;
		1135	r |= m & 0x7fffffU;
		1136	#endif
		1137
		1138	return r;
		1139	}
		1140
		1141	/* converts an ieee single/binary32 to a float */
		1142	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1143	ecb_function_ float
		1144	ecb_binary32_to_float (uint32_t x)
		1145	{
		1146	float r;
		1147
		1148	#if ECB_STDFP
		1149	memcpy (&r, &x, 4);
		1150	#else
		1151	/* emulation, only works for normals and subnormals and +0 */
		1152	int neg = x >> 31;
		1153	int e = (x >> 23) & 0xffU;
		1154
		1155	x &= 0x7fffffU;
		1156
		1157	if (e)
		1158	x |= 0x800000U;
		1159	else
		1160	e = 1;
		1161
		1162	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1163	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1164
		1165	r = neg ? -r : r;
		1166	#endif
		1167
		1168	return r;
		1169	}
		1170
		1171	/* convert a double to ieee double/binary64 */
		1172	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1173	ecb_function_ uint64_t
		1174	ecb_double_to_binary64 (double x)
		1175	{
		1176	uint64_t r;
		1177
		1178	#if ECB_STDFP
		1179	memcpy (&r, &x, 8);
		1180	#else
		1181	/* slow emulation, works for anything but -0 */
		1182	uint64_t m;
		1183	int e;
		1184
		1185	if (x == 0e0 ) return 0x0000000000000000U;
		1186	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1187	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1188	if (x != x ) return 0X7ff7ffffffffffffU;
		1189
		1190	m = frexp (x, &e) * 0x20000000000000U;
		1191
		1192	r = m & 0x8000000000000000;;
		1193
		1194	if (r)
		1195	m = -m;
		1196
		1197	if (e <= -1022)
		1198	{
		1199	m &= 0x1fffffffffffffU;
		1200	m >>= (-1021 - e);
		1201	e = -1022;
		1202	}
		1203
		1204	r |= ((uint64_t)(e + 1022)) << 52;
		1205	r |= m & 0xfffffffffffffU;
		1206	#endif
		1207
		1208	return r;
		1209	}
		1210
		1211	/* converts an ieee double/binary64 to a double */
		1212	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1213	ecb_function_ double
		1214	ecb_binary64_to_double (uint64_t x)
		1215	{
		1216	double r;
		1217
		1218	#if ECB_STDFP
		1219	memcpy (&r, &x, 8);
		1220	#else
		1221	/* emulation, only works for normals and subnormals and +0 */
		1222	int neg = x >> 63;
		1223	int e = (x >> 52) & 0x7ffU;
		1224
		1225	x &= 0xfffffffffffffU;
		1226
		1227	if (e)
		1228	x |= 0x10000000000000U;
		1229	else
		1230	e = 1;
		1231
		1232	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1233	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1234
		1235	r = neg ? -r : r;
		1236	#endif
		1237
		1238	return r;
		1239	}
		1240
		1241	#endif
		1242
		1243	#endif
		1244
		1245	/* ECB.H END */
		1246
		1247	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1248	/* if your architecture doesn't need memory fences, e.g. because it is
		1249	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1250	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1251	* libev, in which cases the memory fences become nops.
		1252	* alternatively, you can remove this #error and link against libpthread,
		1253	* which will then provide the memory fences.
		1254	*/
		1255	# error "memory fences not defined for your architecture, please report"
		1256	#endif
		1257
		1258	#ifndef ECB_MEMORY_FENCE
		1259	# define ECB_MEMORY_FENCE do { } while (0)
		1260	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1261	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		1262	#endif
570		1263
571	#define expect_false(cond) ecb_expect_false (cond)	1264	#define expect_false(cond) ecb_expect_false (cond)
572	#define expect_true(cond) ecb_expect_true (cond)	1265	#define expect_true(cond) ecb_expect_true (cond)
573	#define noinline ecb_noinline	1266	#define noinline ecb_noinline
574		1267
…		…
720	{	1413	{
721	write (STDERR_FILENO, msg, strlen (msg));	1414	write (STDERR_FILENO, msg, strlen (msg));
722	}	1415	}
723	#endif	1416	#endif
724		1417
725	static void (*syserr_cb)(const char *msg);	1418	static void (*syserr_cb)(const char *msg) EV_THROW;
726		1419
727	void ecb_cold	1420	void ecb_cold
728	ev_set_syserr_cb (void (*cb)(const char *msg))	1421	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
729	{	1422	{
730	syserr_cb = cb;	1423	syserr_cb = cb;
731	}	1424	}
732		1425
733	static void noinline ecb_cold	1426	static void noinline ecb_cold
…		…
751	abort ();	1444	abort ();
752	}	1445	}
753	}	1446	}
754		1447
755	static void *	1448	static void *
756	ev_realloc_emul (void *ptr, long size)	1449	ev_realloc_emul (void *ptr, long size) EV_THROW
757	{	1450	{
758	#if __GLIBC__
759	return realloc (ptr, size);
760	#else
761	/* some systems, notably openbsd and darwin, fail to properly	1451	/* some systems, notably openbsd and darwin, fail to properly
762	* implement realloc (x, 0) (as required by both ansi c-89 and	1452	* implement realloc (x, 0) (as required by both ansi c-89 and
763	* the single unix specification, so work around them here.	1453	* the single unix specification, so work around them here.
		1454	* recently, also (at least) fedora and debian started breaking it,
		1455	* despite documenting it otherwise.
764	*/	1456	*/
765		1457
766	if (size)	1458	if (size)
767	return realloc (ptr, size);	1459	return realloc (ptr, size);
768		1460
769	free (ptr);	1461	free (ptr);
770	return 0;	1462	return 0;
771	#endif
772	}	1463	}
773		1464
774	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1465	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
775		1466
776	void ecb_cold	1467	void ecb_cold
777	ev_set_allocator (void *(*cb)(void *ptr, long size))	1468	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
778	{	1469	{
779	alloc = cb;	1470	alloc = cb;
780	}	1471	}
781		1472
782	inline_speed void *	1473	inline_speed void *
…		…
870	#undef VAR	1561	#undef VAR
871	};	1562	};
872	#include "ev_wrap.h"	1563	#include "ev_wrap.h"
873		1564
874	static struct ev_loop default_loop_struct;	1565	static struct ev_loop default_loop_struct;
875	struct ev_loop *ev_default_loop_ptr;	1566	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
876		1567
877	#else	1568	#else
878		1569
879	ev_tstamp ev_rt_now;	1570	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
880	#define VAR(name,decl) static decl;	1571	#define VAR(name,decl) static decl;
881	#include "ev_vars.h"	1572	#include "ev_vars.h"
882	#undef VAR	1573	#undef VAR
883		1574
884	static int ev_default_loop_ptr;	1575	static int ev_default_loop_ptr;
…		…
899		1590
900	/*****************************************************************************/	1591	/*****************************************************************************/
901		1592
902	#ifndef EV_HAVE_EV_TIME	1593	#ifndef EV_HAVE_EV_TIME
903	ev_tstamp	1594	ev_tstamp
904	ev_time (void)	1595	ev_time (void) EV_THROW
905	{	1596	{
906	#if EV_USE_REALTIME	1597	#if EV_USE_REALTIME
907	if (expect_true (have_realtime))	1598	if (expect_true (have_realtime))
908	{	1599	{
909	struct timespec ts;	1600	struct timespec ts;
…		…
933	return ev_time ();	1624	return ev_time ();
934	}	1625	}
935		1626
936	#if EV_MULTIPLICITY	1627	#if EV_MULTIPLICITY
937	ev_tstamp	1628	ev_tstamp
938	ev_now (EV_P)	1629	ev_now (EV_P) EV_THROW
939	{	1630	{
940	return ev_rt_now;	1631	return ev_rt_now;
941	}	1632	}
942	#endif	1633	#endif
943		1634
944	void	1635	void
945	ev_sleep (ev_tstamp delay)	1636	ev_sleep (ev_tstamp delay) EV_THROW
946	{	1637	{
947	if (delay > 0.)	1638	if (delay > 0.)
948	{	1639	{
949	#if EV_USE_NANOSLEEP	1640	#if EV_USE_NANOSLEEP
950	struct timespec ts;	1641	struct timespec ts;
951		1642
952	EV_TS_SET (ts, delay);	1643	EV_TS_SET (ts, delay);
953	nanosleep (&ts, 0);	1644	nanosleep (&ts, 0);
954	#elif defined(_WIN32)	1645	#elif defined _WIN32
955	Sleep ((unsigned long)(delay * 1e3));	1646	Sleep ((unsigned long)(delay * 1e3));
956	#else	1647	#else
957	struct timeval tv;	1648	struct timeval tv;
958		1649
959	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1650	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
978		1669
979	do	1670	do
980	ncur <<= 1;	1671	ncur <<= 1;
981	while (cnt > ncur);	1672	while (cnt > ncur);
982		1673
983	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1674	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
984	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1675	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
985	{	1676	{
986	ncur *= elem;	1677	ncur *= elem;
987	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1678	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
988	ncur = ncur - sizeof (void *) * 4;	1679	ncur = ncur - sizeof (void *) * 4;
…		…
1031	pendingcb (EV_P_ ev_prepare *w, int revents)	1722	pendingcb (EV_P_ ev_prepare *w, int revents)
1032	{	1723	{
1033	}	1724	}
1034		1725
1035	void noinline	1726	void noinline
1036	ev_feed_event (EV_P_ void *w, int revents)	1727	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1037	{	1728	{
1038	W w_ = (W)w;	1729	W w_ = (W)w;
1039	int pri = ABSPRI (w_);	1730	int pri = ABSPRI (w_);
1040		1731
1041	if (expect_false (w_->pending))	1732	if (expect_false (w_->pending))
…		…
1045	w_->pending = ++pendingcnt [pri];	1736	w_->pending = ++pendingcnt [pri];
1046	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1737	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1047	pendings [pri][w_->pending - 1].w = w_;	1738	pendings [pri][w_->pending - 1].w = w_;
1048	pendings [pri][w_->pending - 1].events = revents;	1739	pendings [pri][w_->pending - 1].events = revents;
1049	}	1740	}
		1741
		1742	pendingpri = NUMPRI - 1;
1050	}	1743	}
1051		1744
1052	inline_speed void	1745	inline_speed void
1053	feed_reverse (EV_P_ W w)	1746	feed_reverse (EV_P_ W w)
1054	{	1747	{
…		…
1100	if (expect_true (!anfd->reify))	1793	if (expect_true (!anfd->reify))
1101	fd_event_nocheck (EV_A_ fd, revents);	1794	fd_event_nocheck (EV_A_ fd, revents);
1102	}	1795	}
1103		1796
1104	void	1797	void
1105	ev_feed_fd_event (EV_P_ int fd, int revents)	1798	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1106	{	1799	{
1107	if (fd >= 0 && fd < anfdmax)	1800	if (fd >= 0 && fd < anfdmax)
1108	fd_event_nocheck (EV_A_ fd, revents);	1801	fd_event_nocheck (EV_A_ fd, revents);
1109	}	1802	}
1110		1803
…		…
1429	static void noinline ecb_cold	2122	static void noinline ecb_cold
1430	evpipe_init (EV_P)	2123	evpipe_init (EV_P)
1431	{	2124	{
1432	if (!ev_is_active (&pipe_w))	2125	if (!ev_is_active (&pipe_w))
1433	{	2126	{
		2127	int fds [2];
		2128
1434	# if EV_USE_EVENTFD	2129	# if EV_USE_EVENTFD
		2130	fds [0] = -1;
1435	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2131	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1436	if (evfd < 0 && errno == EINVAL)	2132	if (fds [1] < 0 && errno == EINVAL)
1437	evfd = eventfd (0, 0);	2133	fds [1] = eventfd (0, 0);
1438		2134
1439	if (evfd >= 0)	2135	if (fds [1] < 0)
		2136	# endif
1440	{	2137	{
		2138	while (pipe (fds))
		2139	ev_syserr ("(libev) error creating signal/async pipe");
		2140
		2141	fd_intern (fds [0]);
		2142	}
		2143
1441	evpipe [0] = -1;	2144	evpipe [0] = fds [0];
1442	fd_intern (evfd); /* doing it twice doesn't hurt */	2145
1443	ev_io_set (&pipe_w, evfd, EV_READ);	2146	if (evpipe [1] < 0)
		2147	evpipe [1] = fds [1]; /* first call, set write fd */
		2148	else
		2149	{
		2150	/* on subsequent calls, do not change evpipe [1] */
		2151	/* so that evpipe_write can always rely on its value. */
		2152	/* this branch does not do anything sensible on windows, */
		2153	/* so must not be executed on windows */
		2154
		2155	dup2 (fds [1], evpipe [1]);
		2156	close (fds [1]);
		2157	}
		2158
		2159	fd_intern (evpipe [1]);
		2160
		2161	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2162	ev_io_start (EV_A_ &pipe_w);
		2163	ev_unref (EV_A); /* watcher should not keep loop alive */
		2164	}
		2165	}
		2166
		2167	inline_speed void
		2168	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2169	{
		2170	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2171
		2172	if (expect_true (*flag))
		2173	return;
		2174
		2175	*flag = 1;
		2176	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2177
		2178	pipe_write_skipped = 1;
		2179
		2180	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2181
		2182	if (pipe_write_wanted)
		2183	{
		2184	int old_errno;
		2185
		2186	pipe_write_skipped = 0;
		2187	ECB_MEMORY_FENCE_RELEASE;
		2188
		2189	old_errno = errno; /* save errno because write will clobber it */
		2190
		2191	#if EV_USE_EVENTFD
		2192	if (evpipe [0] < 0)
		2193	{
		2194	uint64_t counter = 1;
		2195	write (evpipe [1], &counter, sizeof (uint64_t));
1444	}	2196	}
1445	else	2197	else
1446	# endif	2198	#endif
1447	{	2199	{
1448	while (pipe (evpipe))	2200	#ifdef _WIN32
1449	ev_syserr ("(libev) error creating signal/async pipe");	2201	WSABUF buf;
1450		2202	DWORD sent;
1451	fd_intern (evpipe [0]);	2203	buf.buf = &buf;
1452	fd_intern (evpipe [1]);	2204	buf.len = 1;
1453	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2205	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1454	}	2206	#else
1455
1456	ev_io_start (EV_A_ &pipe_w);
1457	ev_unref (EV_A); /* watcher should not keep loop alive */
1458	}
1459	}
1460
1461	inline_speed void
1462	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1463	{
1464	if (expect_true (*flag))
1465	return;
1466
1467	*flag = 1;
1468
1469	ECB_MEMORY_FENCE_RELEASE;
1470
1471	pipe_write_skipped = 1;
1472
1473	ECB_MEMORY_FENCE;
1474
1475	if (pipe_write_wanted)
1476	{
1477	int old_errno;
1478
1479	pipe_write_skipped = 0; /* optimisation only */
1480
1481	old_errno = errno; /* save errno because write will clobber it */
1482
1483	#if EV_USE_EVENTFD
1484	if (evfd >= 0)
1485	{
1486	uint64_t counter = 1;
1487	write (evfd, &counter, sizeof (uint64_t));
1488	}
1489	else
1490	#endif
1491	{
1492	/* win32 people keep sending patches that change this write() to send() */
1493	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1494	/* so when you think this write should be a send instead, please find out */
1495	/* where your send() is from - it's definitely not the microsoft send, and */
1496	/* tell me. thank you. */
1497	write (evpipe [1], &(evpipe [1]), 1);	2207	write (evpipe [1], &(evpipe [1]), 1);
		2208	#endif
1498	}	2209	}
1499		2210
1500	errno = old_errno;	2211	errno = old_errno;
1501	}	2212	}
1502	}	2213	}
…		…
1509	int i;	2220	int i;
1510		2221
1511	if (revents & EV_READ)	2222	if (revents & EV_READ)
1512	{	2223	{
1513	#if EV_USE_EVENTFD	2224	#if EV_USE_EVENTFD
1514	if (evfd >= 0)	2225	if (evpipe [0] < 0)
1515	{	2226	{
1516	uint64_t counter;	2227	uint64_t counter;
1517	read (evfd, &counter, sizeof (uint64_t));	2228	read (evpipe [1], &counter, sizeof (uint64_t));
1518	}	2229	}
1519	else	2230	else
1520	#endif	2231	#endif
1521	{	2232	{
1522	char dummy;	2233	char dummy[4];
1523	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2234	#ifdef _WIN32
		2235	WSABUF buf;
		2236	DWORD recvd;
		2237	DWORD flags = 0;
		2238	buf.buf = dummy;
		2239	buf.len = sizeof (dummy);
		2240	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2241	#else
1524	read (evpipe [0], &dummy, 1);	2242	read (evpipe [0], &dummy, sizeof (dummy));
		2243	#endif
1525	}	2244	}
1526	}	2245	}
1527		2246
1528	pipe_write_skipped = 0;	2247	pipe_write_skipped = 0;
		2248
		2249	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1529		2250
1530	#if EV_SIGNAL_ENABLE	2251	#if EV_SIGNAL_ENABLE
1531	if (sig_pending)	2252	if (sig_pending)
1532	{	2253	{
1533	sig_pending = 0;	2254	sig_pending = 0;
		2255
		2256	ECB_MEMORY_FENCE;
1534		2257
1535	for (i = EV_NSIG - 1; i--; )	2258	for (i = EV_NSIG - 1; i--; )
1536	if (expect_false (signals [i].pending))	2259	if (expect_false (signals [i].pending))
1537	ev_feed_signal_event (EV_A_ i + 1);	2260	ev_feed_signal_event (EV_A_ i + 1);
1538	}	2261	}
…		…
1540		2263
1541	#if EV_ASYNC_ENABLE	2264	#if EV_ASYNC_ENABLE
1542	if (async_pending)	2265	if (async_pending)
1543	{	2266	{
1544	async_pending = 0;	2267	async_pending = 0;
		2268
		2269	ECB_MEMORY_FENCE;
1545		2270
1546	for (i = asynccnt; i--; )	2271	for (i = asynccnt; i--; )
1547	if (asyncs [i]->sent)	2272	if (asyncs [i]->sent)
1548	{	2273	{
1549	asyncs [i]->sent = 0;	2274	asyncs [i]->sent = 0;
		2275	ECB_MEMORY_FENCE_RELEASE;
1550	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2276	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1551	}	2277	}
1552	}	2278	}
1553	#endif	2279	#endif
1554	}	2280	}
1555		2281
1556	/*****************************************************************************/	2282	/*****************************************************************************/
1557		2283
1558	void	2284	void
1559	ev_feed_signal (int signum)	2285	ev_feed_signal (int signum) EV_THROW
1560	{	2286	{
1561	#if EV_MULTIPLICITY	2287	#if EV_MULTIPLICITY
		2288	EV_P;
		2289	ECB_MEMORY_FENCE_ACQUIRE;
1562	EV_P = signals [signum - 1].loop;	2290	EV_A = signals [signum - 1].loop;
1563		2291
1564	if (!EV_A)	2292	if (!EV_A)
1565	return;	2293	return;
1566	#endif	2294	#endif
1567		2295
1568	if (!ev_active (&pipe_w))
1569	return;
1570
1571	signals [signum - 1].pending = 1;	2296	signals [signum - 1].pending = 1;
1572	evpipe_write (EV_A_ &sig_pending);	2297	evpipe_write (EV_A_ &sig_pending);
1573	}	2298	}
1574		2299
1575	static void	2300	static void
…		…
1581		2306
1582	ev_feed_signal (signum);	2307	ev_feed_signal (signum);
1583	}	2308	}
1584		2309
1585	void noinline	2310	void noinline
1586	ev_feed_signal_event (EV_P_ int signum)	2311	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1587	{	2312	{
1588	WL w;	2313	WL w;
1589		2314
1590	if (expect_false (signum <= 0 || signum > EV_NSIG))	2315	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1591	return;	2316	return;
1592		2317
1593	--signum;	2318	--signum;
1594		2319
1595	#if EV_MULTIPLICITY	2320	#if EV_MULTIPLICITY
…		…
1599	if (expect_false (signals [signum].loop != EV_A))	2324	if (expect_false (signals [signum].loop != EV_A))
1600	return;	2325	return;
1601	#endif	2326	#endif
1602		2327
1603	signals [signum].pending = 0;	2328	signals [signum].pending = 0;
		2329	ECB_MEMORY_FENCE_RELEASE;
1604		2330
1605	for (w = signals [signum].head; w; w = w->next)	2331	for (w = signals [signum].head; w; w = w->next)
1606	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2332	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1607	}	2333	}
1608		2334
…		…
1707	#if EV_USE_SELECT	2433	#if EV_USE_SELECT
1708	# include "ev_select.c"	2434	# include "ev_select.c"
1709	#endif	2435	#endif
1710		2436
1711	int ecb_cold	2437	int ecb_cold
1712	ev_version_major (void)	2438	ev_version_major (void) EV_THROW
1713	{	2439	{
1714	return EV_VERSION_MAJOR;	2440	return EV_VERSION_MAJOR;
1715	}	2441	}
1716		2442
1717	int ecb_cold	2443	int ecb_cold
1718	ev_version_minor (void)	2444	ev_version_minor (void) EV_THROW
1719	{	2445	{
1720	return EV_VERSION_MINOR;	2446	return EV_VERSION_MINOR;
1721	}	2447	}
1722		2448
1723	/* return true if we are running with elevated privileges and should ignore env variables */	2449	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
1731	|| getgid () != getegid ();	2457	|| getgid () != getegid ();
1732	#endif	2458	#endif
1733	}	2459	}
1734		2460
1735	unsigned int ecb_cold	2461	unsigned int ecb_cold
1736	ev_supported_backends (void)	2462	ev_supported_backends (void) EV_THROW
1737	{	2463	{
1738	unsigned int flags = 0;	2464	unsigned int flags = 0;
1739		2465
1740	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2466	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1741	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2467	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
1745		2471
1746	return flags;	2472	return flags;
1747	}	2473	}
1748		2474
1749	unsigned int ecb_cold	2475	unsigned int ecb_cold
1750	ev_recommended_backends (void)	2476	ev_recommended_backends (void) EV_THROW
1751	{	2477	{
1752	unsigned int flags = ev_supported_backends ();	2478	unsigned int flags = ev_supported_backends ();
1753		2479
1754	#ifndef __NetBSD__	2480	#ifndef __NetBSD__
1755	/* kqueue is borked on everything but netbsd apparently */	2481	/* kqueue is borked on everything but netbsd apparently */
…		…
1767		2493
1768	return flags;	2494	return flags;
1769	}	2495	}
1770		2496
1771	unsigned int ecb_cold	2497	unsigned int ecb_cold
1772	ev_embeddable_backends (void)	2498	ev_embeddable_backends (void) EV_THROW
1773	{	2499	{
1774	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2500	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1775		2501
1776	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2502	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1777	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2503	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
1779		2505
1780	return flags;	2506	return flags;
1781	}	2507	}
1782		2508
1783	unsigned int	2509	unsigned int
1784	ev_backend (EV_P)	2510	ev_backend (EV_P) EV_THROW
1785	{	2511	{
1786	return backend;	2512	return backend;
1787	}	2513	}
1788		2514
1789	#if EV_FEATURE_API	2515	#if EV_FEATURE_API
1790	unsigned int	2516	unsigned int
1791	ev_iteration (EV_P)	2517	ev_iteration (EV_P) EV_THROW
1792	{	2518	{
1793	return loop_count;	2519	return loop_count;
1794	}	2520	}
1795		2521
1796	unsigned int	2522	unsigned int
1797	ev_depth (EV_P)	2523	ev_depth (EV_P) EV_THROW
1798	{	2524	{
1799	return loop_depth;	2525	return loop_depth;
1800	}	2526	}
1801		2527
1802	void	2528	void
1803	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2529	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1804	{	2530	{
1805	io_blocktime = interval;	2531	io_blocktime = interval;
1806	}	2532	}
1807		2533
1808	void	2534	void
1809	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2535	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1810	{	2536	{
1811	timeout_blocktime = interval;	2537	timeout_blocktime = interval;
1812	}	2538	}
1813		2539
1814	void	2540	void
1815	ev_set_userdata (EV_P_ void *data)	2541	ev_set_userdata (EV_P_ void *data) EV_THROW
1816	{	2542	{
1817	userdata = data;	2543	userdata = data;
1818	}	2544	}
1819		2545
1820	void *	2546	void *
1821	ev_userdata (EV_P)	2547	ev_userdata (EV_P) EV_THROW
1822	{	2548	{
1823	return userdata;	2549	return userdata;
1824	}	2550	}
1825		2551
1826	void	2552	void
1827	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2553	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
1828	{	2554	{
1829	invoke_cb = invoke_pending_cb;	2555	invoke_cb = invoke_pending_cb;
1830	}	2556	}
1831		2557
1832	void	2558	void
1833	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2559	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
1834	{	2560	{
1835	release_cb = release;	2561	release_cb = release;
1836	acquire_cb = acquire;	2562	acquire_cb = acquire;
1837	}	2563	}
1838	#endif	2564	#endif
1839		2565
1840	/* initialise a loop structure, must be zero-initialised */	2566	/* initialise a loop structure, must be zero-initialised */
1841	static void noinline ecb_cold	2567	static void noinline ecb_cold
1842	loop_init (EV_P_ unsigned int flags)	2568	loop_init (EV_P_ unsigned int flags) EV_THROW
1843	{	2569	{
1844	if (!backend)	2570	if (!backend)
1845	{	2571	{
1846	origflags = flags;	2572	origflags = flags;
1847		2573
…		…
1892	#if EV_ASYNC_ENABLE	2618	#if EV_ASYNC_ENABLE
1893	async_pending = 0;	2619	async_pending = 0;
1894	#endif	2620	#endif
1895	pipe_write_skipped = 0;	2621	pipe_write_skipped = 0;
1896	pipe_write_wanted = 0;	2622	pipe_write_wanted = 0;
		2623	evpipe [0] = -1;
		2624	evpipe [1] = -1;
1897	#if EV_USE_INOTIFY	2625	#if EV_USE_INOTIFY
1898	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2626	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1899	#endif	2627	#endif
1900	#if EV_USE_SIGNALFD	2628	#if EV_USE_SIGNALFD
1901	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2629	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
1952	EV_INVOKE_PENDING;	2680	EV_INVOKE_PENDING;
1953	}	2681	}
1954	#endif	2682	#endif
1955		2683
1956	#if EV_CHILD_ENABLE	2684	#if EV_CHILD_ENABLE
1957	if (ev_is_active (&childev))	2685	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1958	{	2686	{
1959	ev_ref (EV_A); /* child watcher */	2687	ev_ref (EV_A); /* child watcher */
1960	ev_signal_stop (EV_A_ &childev);	2688	ev_signal_stop (EV_A_ &childev);
1961	}	2689	}
1962	#endif	2690	#endif
…		…
1964	if (ev_is_active (&pipe_w))	2692	if (ev_is_active (&pipe_w))
1965	{	2693	{
1966	/*ev_ref (EV_A);*/	2694	/*ev_ref (EV_A);*/
1967	/*ev_io_stop (EV_A_ &pipe_w);*/	2695	/*ev_io_stop (EV_A_ &pipe_w);*/
1968		2696
1969	#if EV_USE_EVENTFD
1970	if (evfd >= 0)
1971	close (evfd);
1972	#endif
1973
1974	if (evpipe [0] >= 0)
1975	{
1976	EV_WIN32_CLOSE_FD (evpipe [0]);	2697	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1977	EV_WIN32_CLOSE_FD (evpipe [1]);	2698	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1978	}
1979	}	2699	}
1980		2700
1981	#if EV_USE_SIGNALFD	2701	#if EV_USE_SIGNALFD
1982	if (ev_is_active (&sigfd_w))	2702	if (ev_is_active (&sigfd_w))
1983	close (sigfd);	2703	close (sigfd);
…		…
2069	#endif	2789	#endif
2070	#if EV_USE_INOTIFY	2790	#if EV_USE_INOTIFY
2071	infy_fork (EV_A);	2791	infy_fork (EV_A);
2072	#endif	2792	#endif
2073		2793
		2794	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2074	if (ev_is_active (&pipe_w))	2795	if (ev_is_active (&pipe_w))
2075	{	2796	{
2076	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2797	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2077		2798
2078	ev_ref (EV_A);	2799	ev_ref (EV_A);
2079	ev_io_stop (EV_A_ &pipe_w);	2800	ev_io_stop (EV_A_ &pipe_w);
2080		2801
2081	#if EV_USE_EVENTFD
2082	if (evfd >= 0)
2083	close (evfd);
2084	#endif
2085
2086	if (evpipe [0] >= 0)	2802	if (evpipe [0] >= 0)
2087	{
2088	EV_WIN32_CLOSE_FD (evpipe [0]);	2803	EV_WIN32_CLOSE_FD (evpipe [0]);
2089	EV_WIN32_CLOSE_FD (evpipe [1]);
2090	}
2091		2804
2092	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2093	evpipe_init (EV_A);	2805	evpipe_init (EV_A);
2094	/* now iterate over everything, in case we missed something */	2806	/* iterate over everything, in case we missed something before */
2095	pipecb (EV_A_ &pipe_w, EV_READ);	2807	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2096	#endif
2097	}	2808	}
		2809	#endif
2098		2810
2099	postfork = 0;	2811	postfork = 0;
2100	}	2812	}
2101		2813
2102	#if EV_MULTIPLICITY	2814	#if EV_MULTIPLICITY
2103		2815
2104	struct ev_loop * ecb_cold	2816	struct ev_loop * ecb_cold
2105	ev_loop_new (unsigned int flags)	2817	ev_loop_new (unsigned int flags) EV_THROW
2106	{	2818	{
2107	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2819	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2108		2820
2109	memset (EV_A, 0, sizeof (struct ev_loop));	2821	memset (EV_A, 0, sizeof (struct ev_loop));
2110	loop_init (EV_A_ flags);	2822	loop_init (EV_A_ flags);
…		…
2154	}	2866	}
2155	#endif	2867	#endif
2156		2868
2157	#if EV_FEATURE_API	2869	#if EV_FEATURE_API
2158	void ecb_cold	2870	void ecb_cold
2159	ev_verify (EV_P)	2871	ev_verify (EV_P) EV_THROW
2160	{	2872	{
2161	#if EV_VERIFY	2873	#if EV_VERIFY
2162	int i;	2874	int i;
2163	WL w;	2875	WL w, w2;
2164		2876
2165	assert (activecnt >= -1);	2877	assert (activecnt >= -1);
2166		2878
2167	assert (fdchangemax >= fdchangecnt);	2879	assert (fdchangemax >= fdchangecnt);
2168	for (i = 0; i < fdchangecnt; ++i)	2880	for (i = 0; i < fdchangecnt; ++i)
2169	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2881	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2170		2882
2171	assert (anfdmax >= 0);	2883	assert (anfdmax >= 0);
2172	for (i = 0; i < anfdmax; ++i)	2884	for (i = 0; i < anfdmax; ++i)
		2885	{
		2886	int j = 0;
		2887
2173	for (w = anfds [i].head; w; w = w->next)	2888	for (w = w2 = anfds [i].head; w; w = w->next)
2174	{	2889	{
2175	verify_watcher (EV_A_ (W)w);	2890	verify_watcher (EV_A_ (W)w);
		2891
		2892	if (j++ & 1)
		2893	{
		2894	assert (("libev: io watcher list contains a loop", w != w2));
		2895	w2 = w2->next;
		2896	}
		2897
2176	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2898	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2177	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2899	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2178	}	2900	}
		2901	}
2179		2902
2180	assert (timermax >= timercnt);	2903	assert (timermax >= timercnt);
2181	verify_heap (EV_A_ timers, timercnt);	2904	verify_heap (EV_A_ timers, timercnt);
2182		2905
2183	#if EV_PERIODIC_ENABLE	2906	#if EV_PERIODIC_ENABLE
…		…
2233	#if EV_MULTIPLICITY	2956	#if EV_MULTIPLICITY
2234	struct ev_loop * ecb_cold	2957	struct ev_loop * ecb_cold
2235	#else	2958	#else
2236	int	2959	int
2237	#endif	2960	#endif
2238	ev_default_loop (unsigned int flags)	2961	ev_default_loop (unsigned int flags) EV_THROW
2239	{	2962	{
2240	if (!ev_default_loop_ptr)	2963	if (!ev_default_loop_ptr)
2241	{	2964	{
2242	#if EV_MULTIPLICITY	2965	#if EV_MULTIPLICITY
2243	EV_P = ev_default_loop_ptr = &default_loop_struct;	2966	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2262		2985
2263	return ev_default_loop_ptr;	2986	return ev_default_loop_ptr;
2264	}	2987	}
2265		2988
2266	void	2989	void
2267	ev_loop_fork (EV_P)	2990	ev_loop_fork (EV_P) EV_THROW
2268	{	2991	{
2269	postfork = 1; /* must be in line with ev_default_fork */	2992	postfork = 1;
2270	}	2993	}
2271		2994
2272	/*****************************************************************************/	2995	/*****************************************************************************/
2273		2996
2274	void	2997	void
…		…
2276	{	2999	{
2277	EV_CB_INVOKE ((W)w, revents);	3000	EV_CB_INVOKE ((W)w, revents);
2278	}	3001	}
2279		3002
2280	unsigned int	3003	unsigned int
2281	ev_pending_count (EV_P)	3004	ev_pending_count (EV_P) EV_THROW
2282	{	3005	{
2283	int pri;	3006	int pri;
2284	unsigned int count = 0;	3007	unsigned int count = 0;
2285		3008
2286	for (pri = NUMPRI; pri--; )	3009	for (pri = NUMPRI; pri--; )
…		…
2290	}	3013	}
2291		3014
2292	void noinline	3015	void noinline
2293	ev_invoke_pending (EV_P)	3016	ev_invoke_pending (EV_P)
2294	{	3017	{
2295	int pri;	3018	pendingpri = NUMPRI;
2296		3019
2297	for (pri = NUMPRI; pri--; )	3020	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3021	{
		3022	--pendingpri;
		3023
2298	while (pendingcnt [pri])	3024	while (pendingcnt [pendingpri])
2299	{	3025	{
2300	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3026	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2301		3027
2302	p->w->pending = 0;	3028	p->w->pending = 0;
2303	EV_CB_INVOKE (p->w, p->events);	3029	EV_CB_INVOKE (p->w, p->events);
2304	EV_FREQUENT_CHECK;	3030	EV_FREQUENT_CHECK;
2305	}	3031	}
		3032	}
2306	}	3033	}
2307		3034
2308	#if EV_IDLE_ENABLE	3035	#if EV_IDLE_ENABLE
2309	/* make idle watchers pending. this handles the "call-idle */	3036	/* make idle watchers pending. this handles the "call-idle */
2310	/* only when higher priorities are idle" logic */	3037	/* only when higher priorities are idle" logic */
…		…
2400	{	3127	{
2401	EV_FREQUENT_CHECK;	3128	EV_FREQUENT_CHECK;
2402		3129
2403	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3130	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2404	{	3131	{
2405	int feed_count = 0;
2406
2407	do	3132	do
2408	{	3133	{
2409	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3134	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2410		3135
2411	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3136	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2545		3270
2546	mn_now = ev_rt_now;	3271	mn_now = ev_rt_now;
2547	}	3272	}
2548	}	3273	}
2549		3274
2550	void	3275	int
2551	ev_run (EV_P_ int flags)	3276	ev_run (EV_P_ int flags)
2552	{	3277	{
2553	#if EV_FEATURE_API	3278	#if EV_FEATURE_API
2554	++loop_depth;	3279	++loop_depth;
2555	#endif	3280	#endif
…		…
2616	time_update (EV_A_ 1e100);	3341	time_update (EV_A_ 1e100);
2617		3342
2618	/* from now on, we want a pipe-wake-up */	3343	/* from now on, we want a pipe-wake-up */
2619	pipe_write_wanted = 1;	3344	pipe_write_wanted = 1;
2620		3345
2621	ECB_MEMORY_FENCE;	3346	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
2622		3347
2623	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3348	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2624	{	3349	{
2625	waittime = MAX_BLOCKTIME;	3350	waittime = MAX_BLOCKTIME;
2626		3351
…		…
2668	#endif	3393	#endif
2669	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3394	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2670	backend_poll (EV_A_ waittime);	3395	backend_poll (EV_A_ waittime);
2671	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3396	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2672		3397
2673	pipe_write_wanted = 0;	3398	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2674		3399
		3400	ECB_MEMORY_FENCE_ACQUIRE;
2675	if (pipe_write_skipped)	3401	if (pipe_write_skipped)
2676	{	3402	{
2677	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3403	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2678	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3404	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2679	}	3405	}
…		…
2712	loop_done = EVBREAK_CANCEL;	3438	loop_done = EVBREAK_CANCEL;
2713		3439
2714	#if EV_FEATURE_API	3440	#if EV_FEATURE_API
2715	--loop_depth;	3441	--loop_depth;
2716	#endif	3442	#endif
		3443
		3444	return activecnt;
2717	}	3445	}
2718		3446
2719	void	3447	void
2720	ev_break (EV_P_ int how)	3448	ev_break (EV_P_ int how) EV_THROW
2721	{	3449	{
2722	loop_done = how;	3450	loop_done = how;
2723	}	3451	}
2724		3452
2725	void	3453	void
2726	ev_ref (EV_P)	3454	ev_ref (EV_P) EV_THROW
2727	{	3455	{
2728	++activecnt;	3456	++activecnt;
2729	}	3457	}
2730		3458
2731	void	3459	void
2732	ev_unref (EV_P)	3460	ev_unref (EV_P) EV_THROW
2733	{	3461	{
2734	--activecnt;	3462	--activecnt;
2735	}	3463	}
2736		3464
2737	void	3465	void
2738	ev_now_update (EV_P)	3466	ev_now_update (EV_P) EV_THROW
2739	{	3467	{
2740	time_update (EV_A_ 1e100);	3468	time_update (EV_A_ 1e100);
2741	}	3469	}
2742		3470
2743	void	3471	void
2744	ev_suspend (EV_P)	3472	ev_suspend (EV_P) EV_THROW
2745	{	3473	{
2746	ev_now_update (EV_A);	3474	ev_now_update (EV_A);
2747	}	3475	}
2748		3476
2749	void	3477	void
2750	ev_resume (EV_P)	3478	ev_resume (EV_P) EV_THROW
2751	{	3479	{
2752	ev_tstamp mn_prev = mn_now;	3480	ev_tstamp mn_prev = mn_now;
2753		3481
2754	ev_now_update (EV_A);	3482	ev_now_update (EV_A);
2755	timers_reschedule (EV_A_ mn_now - mn_prev);	3483	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
2794	w->pending = 0;	3522	w->pending = 0;
2795	}	3523	}
2796	}	3524	}
2797		3525
2798	int	3526	int
2799	ev_clear_pending (EV_P_ void *w)	3527	ev_clear_pending (EV_P_ void *w) EV_THROW
2800	{	3528	{
2801	W w_ = (W)w;	3529	W w_ = (W)w;
2802	int pending = w_->pending;	3530	int pending = w_->pending;
2803		3531
2804	if (expect_true (pending))	3532	if (expect_true (pending))
…		…
2837	}	3565	}
2838		3566
2839	/*****************************************************************************/	3567	/*****************************************************************************/
2840		3568
2841	void noinline	3569	void noinline
2842	ev_io_start (EV_P_ ev_io *w)	3570	ev_io_start (EV_P_ ev_io *w) EV_THROW
2843	{	3571	{
2844	int fd = w->fd;	3572	int fd = w->fd;
2845		3573
2846	if (expect_false (ev_is_active (w)))	3574	if (expect_false (ev_is_active (w)))
2847	return;	3575	return;
…		…
2853		3581
2854	ev_start (EV_A_ (W)w, 1);	3582	ev_start (EV_A_ (W)w, 1);
2855	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3583	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2856	wlist_add (&anfds[fd].head, (WL)w);	3584	wlist_add (&anfds[fd].head, (WL)w);
2857		3585
		3586	/* common bug, apparently */
		3587	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3588
2858	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3589	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2859	w->events &= ~EV__IOFDSET;	3590	w->events &= ~EV__IOFDSET;
2860		3591
2861	EV_FREQUENT_CHECK;	3592	EV_FREQUENT_CHECK;
2862	}	3593	}
2863		3594
2864	void noinline	3595	void noinline
2865	ev_io_stop (EV_P_ ev_io *w)	3596	ev_io_stop (EV_P_ ev_io *w) EV_THROW
2866	{	3597	{
2867	clear_pending (EV_A_ (W)w);	3598	clear_pending (EV_A_ (W)w);
2868	if (expect_false (!ev_is_active (w)))	3599	if (expect_false (!ev_is_active (w)))
2869	return;	3600	return;
2870		3601
…		…
2879		3610
2880	EV_FREQUENT_CHECK;	3611	EV_FREQUENT_CHECK;
2881	}	3612	}
2882		3613
2883	void noinline	3614	void noinline
2884	ev_timer_start (EV_P_ ev_timer *w)	3615	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2885	{	3616	{
2886	if (expect_false (ev_is_active (w)))	3617	if (expect_false (ev_is_active (w)))
2887	return;	3618	return;
2888		3619
2889	ev_at (w) += mn_now;	3620	ev_at (w) += mn_now;
…		…
2903		3634
2904	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3635	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2905	}	3636	}
2906		3637
2907	void noinline	3638	void noinline
2908	ev_timer_stop (EV_P_ ev_timer *w)	3639	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2909	{	3640	{
2910	clear_pending (EV_A_ (W)w);	3641	clear_pending (EV_A_ (W)w);
2911	if (expect_false (!ev_is_active (w)))	3642	if (expect_false (!ev_is_active (w)))
2912	return;	3643	return;
2913		3644
…		…
2933		3664
2934	EV_FREQUENT_CHECK;	3665	EV_FREQUENT_CHECK;
2935	}	3666	}
2936		3667
2937	void noinline	3668	void noinline
2938	ev_timer_again (EV_P_ ev_timer *w)	3669	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2939	{	3670	{
2940	EV_FREQUENT_CHECK;	3671	EV_FREQUENT_CHECK;
		3672
		3673	clear_pending (EV_A_ (W)w);
2941		3674
2942	if (ev_is_active (w))	3675	if (ev_is_active (w))
2943	{	3676	{
2944	if (w->repeat)	3677	if (w->repeat)
2945	{	3678	{
…		…
2958		3691
2959	EV_FREQUENT_CHECK;	3692	EV_FREQUENT_CHECK;
2960	}	3693	}
2961		3694
2962	ev_tstamp	3695	ev_tstamp
2963	ev_timer_remaining (EV_P_ ev_timer *w)	3696	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2964	{	3697	{
2965	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3698	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2966	}	3699	}
2967		3700
2968	#if EV_PERIODIC_ENABLE	3701	#if EV_PERIODIC_ENABLE
2969	void noinline	3702	void noinline
2970	ev_periodic_start (EV_P_ ev_periodic *w)	3703	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2971	{	3704	{
2972	if (expect_false (ev_is_active (w)))	3705	if (expect_false (ev_is_active (w)))
2973	return;	3706	return;
2974		3707
2975	if (w->reschedule_cb)	3708	if (w->reschedule_cb)
…		…
2995		3728
2996	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3729	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2997	}	3730	}
2998		3731
2999	void noinline	3732	void noinline
3000	ev_periodic_stop (EV_P_ ev_periodic *w)	3733	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3001	{	3734	{
3002	clear_pending (EV_A_ (W)w);	3735	clear_pending (EV_A_ (W)w);
3003	if (expect_false (!ev_is_active (w)))	3736	if (expect_false (!ev_is_active (w)))
3004	return;	3737	return;
3005		3738
…		…
3023		3756
3024	EV_FREQUENT_CHECK;	3757	EV_FREQUENT_CHECK;
3025	}	3758	}
3026		3759
3027	void noinline	3760	void noinline
3028	ev_periodic_again (EV_P_ ev_periodic *w)	3761	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3029	{	3762	{
3030	/* TODO: use adjustheap and recalculation */	3763	/* TODO: use adjustheap and recalculation */
3031	ev_periodic_stop (EV_A_ w);	3764	ev_periodic_stop (EV_A_ w);
3032	ev_periodic_start (EV_A_ w);	3765	ev_periodic_start (EV_A_ w);
3033	}	3766	}
…		…
3038	#endif	3771	#endif
3039		3772
3040	#if EV_SIGNAL_ENABLE	3773	#if EV_SIGNAL_ENABLE
3041		3774
3042	void noinline	3775	void noinline
3043	ev_signal_start (EV_P_ ev_signal *w)	3776	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3044	{	3777	{
3045	if (expect_false (ev_is_active (w)))	3778	if (expect_false (ev_is_active (w)))
3046	return;	3779	return;
3047		3780
3048	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3781	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3050	#if EV_MULTIPLICITY	3783	#if EV_MULTIPLICITY
3051	assert (("libev: a signal must not be attached to two different loops",	3784	assert (("libev: a signal must not be attached to two different loops",
3052	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3785	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3053		3786
3054	signals [w->signum - 1].loop = EV_A;	3787	signals [w->signum - 1].loop = EV_A;
		3788	ECB_MEMORY_FENCE_RELEASE;
3055	#endif	3789	#endif
3056		3790
3057	EV_FREQUENT_CHECK;	3791	EV_FREQUENT_CHECK;
3058		3792
3059	#if EV_USE_SIGNALFD	3793	#if EV_USE_SIGNALFD
…		…
3119		3853
3120	EV_FREQUENT_CHECK;	3854	EV_FREQUENT_CHECK;
3121	}	3855	}
3122		3856
3123	void noinline	3857	void noinline
3124	ev_signal_stop (EV_P_ ev_signal *w)	3858	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3125	{	3859	{
3126	clear_pending (EV_A_ (W)w);	3860	clear_pending (EV_A_ (W)w);
3127	if (expect_false (!ev_is_active (w)))	3861	if (expect_false (!ev_is_active (w)))
3128	return;	3862	return;
3129		3863
…		…
3160	#endif	3894	#endif
3161		3895
3162	#if EV_CHILD_ENABLE	3896	#if EV_CHILD_ENABLE
3163		3897
3164	void	3898	void
3165	ev_child_start (EV_P_ ev_child *w)	3899	ev_child_start (EV_P_ ev_child *w) EV_THROW
3166	{	3900	{
3167	#if EV_MULTIPLICITY	3901	#if EV_MULTIPLICITY
3168	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3902	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3169	#endif	3903	#endif
3170	if (expect_false (ev_is_active (w)))	3904	if (expect_false (ev_is_active (w)))
…		…
3177		3911
3178	EV_FREQUENT_CHECK;	3912	EV_FREQUENT_CHECK;
3179	}	3913	}
3180		3914
3181	void	3915	void
3182	ev_child_stop (EV_P_ ev_child *w)	3916	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3183	{	3917	{
3184	clear_pending (EV_A_ (W)w);	3918	clear_pending (EV_A_ (W)w);
3185	if (expect_false (!ev_is_active (w)))	3919	if (expect_false (!ev_is_active (w)))
3186	return;	3920	return;
3187		3921
…		…
3214	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3948	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3215		3949
3216	static void noinline	3950	static void noinline
3217	infy_add (EV_P_ ev_stat *w)	3951	infy_add (EV_P_ ev_stat *w)
3218	{	3952	{
3219	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);	3953	w->wd = inotify_add_watch (fs_fd, w->path,
		3954	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3955	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3956	| IN_DONT_FOLLOW | IN_MASK_ADD);
3220		3957
3221	if (w->wd >= 0)	3958	if (w->wd >= 0)
3222	{	3959	{
3223	struct statfs sfs;	3960	struct statfs sfs;
3224		3961
…		…
3228		3965
3229	if (!fs_2625)	3966	if (!fs_2625)
3230	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3967	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3231	else if (!statfs (w->path, &sfs)	3968	else if (!statfs (w->path, &sfs)
3232	&& (sfs.f_type == 0x1373 /* devfs */	3969	&& (sfs.f_type == 0x1373 /* devfs */
		3970	|| sfs.f_type == 0x4006 /* fat */
		3971	|| sfs.f_type == 0x4d44 /* msdos */
3233	|| sfs.f_type == 0xEF53 /* ext2/3 */	3972	|| sfs.f_type == 0xEF53 /* ext2/3 */
		3973	|| sfs.f_type == 0x72b6 /* jffs2 */
		3974	|| sfs.f_type == 0x858458f6 /* ramfs */
		3975	|| sfs.f_type == 0x5346544e /* ntfs */
3234	|| sfs.f_type == 0x3153464a /* jfs */	3976	|| sfs.f_type == 0x3153464a /* jfs */
		3977	|| sfs.f_type == 0x9123683e /* btrfs */
3235	|| sfs.f_type == 0x52654973 /* reiser3 */	3978	|| sfs.f_type == 0x52654973 /* reiser3 */
3236	|| sfs.f_type == 0x01021994 /* tempfs */	3979	|| sfs.f_type == 0x01021994 /* tmpfs */
3237	|| sfs.f_type == 0x58465342 /* xfs */))	3980	|| sfs.f_type == 0x58465342 /* xfs */))
3238	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3981	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3239	else	3982	else
3240	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	3983	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3241	}	3984	}
…		…
3354	}	4097	}
3355		4098
3356	inline_size int	4099	inline_size int
3357	infy_newfd (void)	4100	infy_newfd (void)
3358	{	4101	{
3359	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4102	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3360	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4103	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3361	if (fd >= 0)	4104	if (fd >= 0)
3362	return fd;	4105	return fd;
3363	#endif	4106	#endif
3364	return inotify_init ();	4107	return inotify_init ();
…		…
3439	#else	4182	#else
3440	# define EV_LSTAT(p,b) lstat (p, b)	4183	# define EV_LSTAT(p,b) lstat (p, b)
3441	#endif	4184	#endif
3442		4185
3443	void	4186	void
3444	ev_stat_stat (EV_P_ ev_stat *w)	4187	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3445	{	4188	{
3446	if (lstat (w->path, &w->attr) < 0)	4189	if (lstat (w->path, &w->attr) < 0)
3447	w->attr.st_nlink = 0;	4190	w->attr.st_nlink = 0;
3448	else if (!w->attr.st_nlink)	4191	else if (!w->attr.st_nlink)
3449	w->attr.st_nlink = 1;	4192	w->attr.st_nlink = 1;
…		…
3488	ev_feed_event (EV_A_ w, EV_STAT);	4231	ev_feed_event (EV_A_ w, EV_STAT);
3489	}	4232	}
3490	}	4233	}
3491		4234
3492	void	4235	void
3493	ev_stat_start (EV_P_ ev_stat *w)	4236	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3494	{	4237	{
3495	if (expect_false (ev_is_active (w)))	4238	if (expect_false (ev_is_active (w)))
3496	return;	4239	return;
3497		4240
3498	ev_stat_stat (EV_A_ w);	4241	ev_stat_stat (EV_A_ w);
…		…
3519		4262
3520	EV_FREQUENT_CHECK;	4263	EV_FREQUENT_CHECK;
3521	}	4264	}
3522		4265
3523	void	4266	void
3524	ev_stat_stop (EV_P_ ev_stat *w)	4267	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3525	{	4268	{
3526	clear_pending (EV_A_ (W)w);	4269	clear_pending (EV_A_ (W)w);
3527	if (expect_false (!ev_is_active (w)))	4270	if (expect_false (!ev_is_active (w)))
3528	return;	4271	return;
3529		4272
…		…
3545	}	4288	}
3546	#endif	4289	#endif
3547		4290
3548	#if EV_IDLE_ENABLE	4291	#if EV_IDLE_ENABLE
3549	void	4292	void
3550	ev_idle_start (EV_P_ ev_idle *w)	4293	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3551	{	4294	{
3552	if (expect_false (ev_is_active (w)))	4295	if (expect_false (ev_is_active (w)))
3553	return;	4296	return;
3554		4297
3555	pri_adjust (EV_A_ (W)w);	4298	pri_adjust (EV_A_ (W)w);
…		…
3568		4311
3569	EV_FREQUENT_CHECK;	4312	EV_FREQUENT_CHECK;
3570	}	4313	}
3571		4314
3572	void	4315	void
3573	ev_idle_stop (EV_P_ ev_idle *w)	4316	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3574	{	4317	{
3575	clear_pending (EV_A_ (W)w);	4318	clear_pending (EV_A_ (W)w);
3576	if (expect_false (!ev_is_active (w)))	4319	if (expect_false (!ev_is_active (w)))
3577	return;	4320	return;
3578		4321
…		…
3592	}	4335	}
3593	#endif	4336	#endif
3594		4337
3595	#if EV_PREPARE_ENABLE	4338	#if EV_PREPARE_ENABLE
3596	void	4339	void
3597	ev_prepare_start (EV_P_ ev_prepare *w)	4340	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3598	{	4341	{
3599	if (expect_false (ev_is_active (w)))	4342	if (expect_false (ev_is_active (w)))
3600	return;	4343	return;
3601		4344
3602	EV_FREQUENT_CHECK;	4345	EV_FREQUENT_CHECK;
…		…
3607		4350
3608	EV_FREQUENT_CHECK;	4351	EV_FREQUENT_CHECK;
3609	}	4352	}
3610		4353
3611	void	4354	void
3612	ev_prepare_stop (EV_P_ ev_prepare *w)	4355	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3613	{	4356	{
3614	clear_pending (EV_A_ (W)w);	4357	clear_pending (EV_A_ (W)w);
3615	if (expect_false (!ev_is_active (w)))	4358	if (expect_false (!ev_is_active (w)))
3616	return;	4359	return;
3617		4360
…		…
3630	}	4373	}
3631	#endif	4374	#endif
3632		4375
3633	#if EV_CHECK_ENABLE	4376	#if EV_CHECK_ENABLE
3634	void	4377	void
3635	ev_check_start (EV_P_ ev_check *w)	4378	ev_check_start (EV_P_ ev_check *w) EV_THROW
3636	{	4379	{
3637	if (expect_false (ev_is_active (w)))	4380	if (expect_false (ev_is_active (w)))
3638	return;	4381	return;
3639		4382
3640	EV_FREQUENT_CHECK;	4383	EV_FREQUENT_CHECK;
…		…
3645		4388
3646	EV_FREQUENT_CHECK;	4389	EV_FREQUENT_CHECK;
3647	}	4390	}
3648		4391
3649	void	4392	void
3650	ev_check_stop (EV_P_ ev_check *w)	4393	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3651	{	4394	{
3652	clear_pending (EV_A_ (W)w);	4395	clear_pending (EV_A_ (W)w);
3653	if (expect_false (!ev_is_active (w)))	4396	if (expect_false (!ev_is_active (w)))
3654	return;	4397	return;
3655		4398
…		…
3668	}	4411	}
3669	#endif	4412	#endif
3670		4413
3671	#if EV_EMBED_ENABLE	4414	#if EV_EMBED_ENABLE
3672	void noinline	4415	void noinline
3673	ev_embed_sweep (EV_P_ ev_embed *w)	4416	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3674	{	4417	{
3675	ev_run (w->other, EVRUN_NOWAIT);	4418	ev_run (w->other, EVRUN_NOWAIT);
3676	}	4419	}
3677		4420
3678	static void	4421	static void
…		…
3726	ev_idle_stop (EV_A_ idle);	4469	ev_idle_stop (EV_A_ idle);
3727	}	4470	}
3728	#endif	4471	#endif
3729		4472
3730	void	4473	void
3731	ev_embed_start (EV_P_ ev_embed *w)	4474	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3732	{	4475	{
3733	if (expect_false (ev_is_active (w)))	4476	if (expect_false (ev_is_active (w)))
3734	return;	4477	return;
3735		4478
3736	{	4479	{
…		…
3757		4500
3758	EV_FREQUENT_CHECK;	4501	EV_FREQUENT_CHECK;
3759	}	4502	}
3760		4503
3761	void	4504	void
3762	ev_embed_stop (EV_P_ ev_embed *w)	4505	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3763	{	4506	{
3764	clear_pending (EV_A_ (W)w);	4507	clear_pending (EV_A_ (W)w);
3765	if (expect_false (!ev_is_active (w)))	4508	if (expect_false (!ev_is_active (w)))
3766	return;	4509	return;
3767		4510
…		…
3777	}	4520	}
3778	#endif	4521	#endif
3779		4522
3780	#if EV_FORK_ENABLE	4523	#if EV_FORK_ENABLE
3781	void	4524	void
3782	ev_fork_start (EV_P_ ev_fork *w)	4525	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3783	{	4526	{
3784	if (expect_false (ev_is_active (w)))	4527	if (expect_false (ev_is_active (w)))
3785	return;	4528	return;
3786		4529
3787	EV_FREQUENT_CHECK;	4530	EV_FREQUENT_CHECK;
…		…
3792		4535
3793	EV_FREQUENT_CHECK;	4536	EV_FREQUENT_CHECK;
3794	}	4537	}
3795		4538
3796	void	4539	void
3797	ev_fork_stop (EV_P_ ev_fork *w)	4540	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3798	{	4541	{
3799	clear_pending (EV_A_ (W)w);	4542	clear_pending (EV_A_ (W)w);
3800	if (expect_false (!ev_is_active (w)))	4543	if (expect_false (!ev_is_active (w)))
3801	return;	4544	return;
3802		4545
…		…
3815	}	4558	}
3816	#endif	4559	#endif
3817		4560
3818	#if EV_CLEANUP_ENABLE	4561	#if EV_CLEANUP_ENABLE
3819	void	4562	void
3820	ev_cleanup_start (EV_P_ ev_cleanup *w)	4563	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3821	{	4564	{
3822	if (expect_false (ev_is_active (w)))	4565	if (expect_false (ev_is_active (w)))
3823	return;	4566	return;
3824		4567
3825	EV_FREQUENT_CHECK;	4568	EV_FREQUENT_CHECK;
…		…
3832	ev_unref (EV_A);	4575	ev_unref (EV_A);
3833	EV_FREQUENT_CHECK;	4576	EV_FREQUENT_CHECK;
3834	}	4577	}
3835		4578
3836	void	4579	void
3837	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4580	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3838	{	4581	{
3839	clear_pending (EV_A_ (W)w);	4582	clear_pending (EV_A_ (W)w);
3840	if (expect_false (!ev_is_active (w)))	4583	if (expect_false (!ev_is_active (w)))
3841	return;	4584	return;
3842		4585
…		…
3856	}	4599	}
3857	#endif	4600	#endif
3858		4601
3859	#if EV_ASYNC_ENABLE	4602	#if EV_ASYNC_ENABLE
3860	void	4603	void
3861	ev_async_start (EV_P_ ev_async *w)	4604	ev_async_start (EV_P_ ev_async *w) EV_THROW
3862	{	4605	{
3863	if (expect_false (ev_is_active (w)))	4606	if (expect_false (ev_is_active (w)))
3864	return;	4607	return;
3865		4608
3866	w->sent = 0;	4609	w->sent = 0;
…		…
3875		4618
3876	EV_FREQUENT_CHECK;	4619	EV_FREQUENT_CHECK;
3877	}	4620	}
3878		4621
3879	void	4622	void
3880	ev_async_stop (EV_P_ ev_async *w)	4623	ev_async_stop (EV_P_ ev_async *w) EV_THROW
3881	{	4624	{
3882	clear_pending (EV_A_ (W)w);	4625	clear_pending (EV_A_ (W)w);
3883	if (expect_false (!ev_is_active (w)))	4626	if (expect_false (!ev_is_active (w)))
3884	return;	4627	return;
3885		4628
…		…
3896		4639
3897	EV_FREQUENT_CHECK;	4640	EV_FREQUENT_CHECK;
3898	}	4641	}
3899		4642
3900	void	4643	void
3901	ev_async_send (EV_P_ ev_async *w)	4644	ev_async_send (EV_P_ ev_async *w) EV_THROW
3902	{	4645	{
3903	w->sent = 1;	4646	w->sent = 1;
3904	evpipe_write (EV_A_ &async_pending);	4647	evpipe_write (EV_A_ &async_pending);
3905	}	4648	}
3906	#endif	4649	#endif
…		…
3943		4686
3944	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4687	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3945	}	4688	}
3946		4689
3947	void	4690	void
3948	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4691	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3949	{	4692	{
3950	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4693	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3951		4694
3952	if (expect_false (!once))	4695	if (expect_false (!once))
3953	{	4696	{
…		…
3975		4718
3976	/*****************************************************************************/	4719	/*****************************************************************************/
3977		4720
3978	#if EV_WALK_ENABLE	4721	#if EV_WALK_ENABLE
3979	void ecb_cold	4722	void ecb_cold
3980	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4723	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3981	{	4724	{
3982	int i, j;	4725	int i, j;
3983	ev_watcher_list *wl, *wn;	4726	ev_watcher_list *wl, *wn;
3984		4727
3985	if (types & (EV_IO | EV_EMBED))	4728	if (types & (EV_IO | EV_EMBED))
…		…
4028	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));	4771	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
4029	#endif	4772	#endif
4030		4773
4031	#if EV_IDLE_ENABLE	4774	#if EV_IDLE_ENABLE
4032	if (types & EV_IDLE)	4775	if (types & EV_IDLE)
4033	for (j = NUMPRI; i--; )	4776	for (j = NUMPRI; j--; )
4034	for (i = idlecnt [j]; i--; )	4777	for (i = idlecnt [j]; i--; )
4035	cb (EV_A_ EV_IDLE, idles [j][i]);	4778	cb (EV_A_ EV_IDLE, idles [j][i]);
4036	#endif	4779	#endif
4037		4780
4038	#if EV_FORK_ENABLE	4781	#if EV_FORK_ENABLE
…		…
4091		4834
4092	#if EV_MULTIPLICITY	4835	#if EV_MULTIPLICITY
4093	#include "ev_wrap.h"	4836	#include "ev_wrap.h"
4094	#endif	4837	#endif
4095		4838
4096	EV_CPP(})
4097

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