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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 1.459 by root, Tue Oct 29 12:13:37 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	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
237	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */
239	# define EV_NSIG 65
240	#endif	247	#endif
241		248
242	#ifndef EV_USE_FLOOR	249	#ifndef EV_USE_FLOOR
243	# define EV_USE_FLOOR 0	250	# define EV_USE_FLOOR 0
244	#endif	251	#endif
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	257	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	258	# endif
252	#endif	259	#endif
253		260
254	#ifndef EV_USE_MONOTONIC	261	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	263	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	264	# else
258	# define EV_USE_MONOTONIC 0	265	# define EV_USE_MONOTONIC 0
259	# endif	266	# endif
260	#endif	267	#endif
…		…
347		354
348	#ifndef EV_HEAP_CACHE_AT	355	#ifndef EV_HEAP_CACHE_AT
349	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350	#endif	357	#endif
351		358
		359	#ifdef ANDROID
		360	/* supposedly, android doesn't typedef fd_mask */
		361	# undef EV_USE_SELECT
		362	# define EV_USE_SELECT 0
		363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		364	# undef EV_USE_CLOCK_SYSCALL
		365	# define EV_USE_CLOCK_SYSCALL 0
		366	#endif
		367
		368	/* aix's poll.h seems to cause lots of trouble */
		369	#ifdef _AIX
		370	/* AIX has a completely broken poll.h header */
		371	# undef EV_USE_POLL
		372	# define EV_USE_POLL 0
		373	#endif
		374
352	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	375	/* 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. */	376	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	377	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	378	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	379	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	380	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	381	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	382	# define EV_USE_MONOTONIC 1
360	# else	383	# else
…		…
363	# endif	386	# endif
364	#endif	387	#endif
365		388
366	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	389	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
367		390
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	391	#ifndef CLOCK_MONOTONIC
375	# undef EV_USE_MONOTONIC	392	# undef EV_USE_MONOTONIC
376	# define EV_USE_MONOTONIC 0	393	# define EV_USE_MONOTONIC 0
377	#endif	394	#endif
378		395
…		…
386	# define EV_USE_INOTIFY 0	403	# define EV_USE_INOTIFY 0
387	#endif	404	#endif
388		405
389	#if !EV_USE_NANOSLEEP	406	#if !EV_USE_NANOSLEEP
390	/* hp-ux has it in sys/time.h, which we unconditionally include above */	407	/* hp-ux has it in sys/time.h, which we unconditionally include above */
391	# if !defined(_WIN32) && !defined(__hpux)	408	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	409	# include <sys/select.h>
393	# endif	410	# endif
394	#endif	411	#endif
395		412
396	#if EV_USE_INOTIFY	413	#if EV_USE_INOTIFY
…		…
399	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	416	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400	# ifndef IN_DONT_FOLLOW	417	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	418	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	419	# define EV_USE_INOTIFY 0
403	# endif	420	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	421	#endif
409		422
410	#if EV_USE_EVENTFD	423	#if EV_USE_EVENTFD
411	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	424	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412	# include <stdint.h>	425	# include <stdint.h>
…		…
464	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	477	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465		478
466	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	479	#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)	480	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468		481
469	/* the following are taken from libecb */	482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ecb.h start */	483	/* ECB.H BEGIN */
		484	/*
		485	* libecb - http://software.schmorp.de/pkg/libecb
		486	*
		487	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
		488	* Copyright (©) 2011 Emanuele Giaquinta
		489	* All rights reserved.
		490	*
		491	* Redistribution and use in source and binary forms, with or without modifica-
		492	* tion, are permitted provided that the following conditions are met:
		493	*
		494	* 1. Redistributions of source code must retain the above copyright notice,
		495	* this list of conditions and the following disclaimer.
		496	*
		497	* 2. Redistributions in binary form must reproduce the above copyright
		498	* notice, this list of conditions and the following disclaimer in the
		499	* documentation and/or other materials provided with the distribution.
		500	*
		501	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
		502	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
		503	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
		504	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
		505	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		506	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		507	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		508	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
		509	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
		510	* OF THE POSSIBILITY OF SUCH DAMAGE.
		511	*/
		512
		513	#ifndef ECB_H
		514	#define ECB_H
		515
		516	/* 16 bits major, 16 bits minor */
		517	#define ECB_VERSION 0x00010003
		518
		519	#ifdef _WIN32
		520	typedef signed char int8_t;
		521	typedef unsigned char uint8_t;
		522	typedef signed short int16_t;
		523	typedef unsigned short uint16_t;
		524	typedef signed int int32_t;
		525	typedef unsigned int uint32_t;
		526	#if __GNUC__
		527	typedef signed long long int64_t;
		528	typedef unsigned long long uint64_t;
		529	#else /* _MSC_VER || __BORLANDC__ */
		530	typedef signed __int64 int64_t;
		531	typedef unsigned __int64 uint64_t;
		532	#endif
		533	#ifdef _WIN64
		534	#define ECB_PTRSIZE 8
		535	typedef uint64_t uintptr_t;
		536	typedef int64_t intptr_t;
		537	#else
		538	#define ECB_PTRSIZE 4
		539	typedef uint32_t uintptr_t;
		540	typedef int32_t intptr_t;
		541	#endif
		542	#else
		543	#include <inttypes.h>
		544	#if UINTMAX_MAX > 0xffffffffU
		545	#define ECB_PTRSIZE 8
		546	#else
		547	#define ECB_PTRSIZE 4
		548	#endif
		549	#endif
		550
		551	/* work around x32 idiocy by defining proper macros */
		552	#if __x86_64 || _M_AMD64
		553	#if _ILP32
		554	#define ECB_AMD64_X32 1
		555	#else
		556	#define ECB_AMD64 1
		557	#endif
		558	#endif
471		559
472	/* many compilers define _GNUC_ to some versions but then only implement	560	/* many compilers define _GNUC_ to some versions but then only implement
473	* what their idiot authors think are the "more important" extensions,	561	* what their idiot authors think are the "more important" extensions,
474	* causing enourmous grief in return for some better fake benchmark numbers.	562	* causing enormous grief in return for some better fake benchmark numbers.
475	* or so.	563	* or so.
476	* we try to detect these and simply assume they are not gcc - if they have	564	* 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.	565	* an issue with that they should have done it right in the first place.
478	*/	566	*/
479	#ifndef ECB_GCC_VERSION	567	#ifndef ECB_GCC_VERSION
480	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	568	#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	569	#define ECB_GCC_VERSION(major,minor) 0
482	#else	570	#else
483	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	571	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
484	#endif	572	#endif
485	#endif	573	#endif
		574
		575	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		576	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		577	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		578	#define ECB_CPP (__cplusplus+0)
		579	#define ECB_CPP11 (__cplusplus >= 201103L)
		580
		581	#if ECB_CPP
		582	#define ECB_EXTERN_C extern "C"
		583	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		584	#define ECB_EXTERN_C_END }
		585	#else
		586	#define ECB_EXTERN_C extern
		587	#define ECB_EXTERN_C_BEG
		588	#define ECB_EXTERN_C_END
		589	#endif
		590
		591	/*****************************************************************************/
		592
		593	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
		594	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
		595
		596	#if ECB_NO_THREADS
		597	#define ECB_NO_SMP 1
		598	#endif
		599
		600	#if ECB_NO_SMP
		601	#define ECB_MEMORY_FENCE do { } while (0)
		602	#endif
		603
		604	#ifndef ECB_MEMORY_FENCE
		605	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		606	#if __i386 || __i386__
		607	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		610	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
		611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		612	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		613	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		614	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		616	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		617	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		619	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		620	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		622	#elif __sparc || __sparc__
		623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		624	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		625	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		626	#elif defined __s390__ || defined __s390x__
		627	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		628	#elif defined __mips__
		629	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		630	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		631	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		632	#elif defined __alpha__
		633	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		634	#elif defined __hppa__
		635	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		636	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		637	#elif defined __ia64__
		638	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		639	#elif defined __m68k__
		640	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		641	#elif defined __m88k__
		642	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		643	#elif defined __sh__
		644	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		645	#endif
		646	#endif
		647	#endif
		648
		649	#ifndef ECB_MEMORY_FENCE
		650	#if ECB_GCC_VERSION(4,7)
		651	/* see comment below (stdatomic.h) about the C11 memory model. */
		652	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		653
		654	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		655	* without risking compile time errors with other compilers. We *could*
		656	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		657	* around this shit time and again.
		658	* #elif defined __clang && __has_feature (cxx_atomic)
		659	* // see comment below (stdatomic.h) about the C11 memory model.
		660	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		661	*/
		662
		663	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
		664	#define ECB_MEMORY_FENCE __sync_synchronize ()
		665	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		666	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		667	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		668	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		669	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		670	#elif defined _WIN32
		671	#include <WinNT.h>
		672	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		673	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		674	#include <mbarrier.h>
		675	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		676	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		677	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		678	#elif __xlC__
		679	#define ECB_MEMORY_FENCE __sync ()
		680	#endif
		681	#endif
		682
		683	#ifndef ECB_MEMORY_FENCE
		684	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		685	/* we assume that these memory fences work on all variables/all memory accesses, */
		686	/* not just C11 atomics and atomic accesses */
		687	#include <stdatomic.h>
		688	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		689	/* any fence other than seq_cst, which isn't very efficient for us. */
		690	/* Why that is, we don't know - either the C11 memory model is quite useless */
		691	/* for most usages, or gcc and clang have a bug */
		692	/* I *currently* lean towards the latter, and inefficiently implement */
		693	/* all three of ecb's fences as a seq_cst fence */
		694	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		695	#endif
		696	#endif
		697
		698	#ifndef ECB_MEMORY_FENCE
		699	#if !ECB_AVOID_PTHREADS
		700	/*
		701	* if you get undefined symbol references to pthread_mutex_lock,
		702	* or failure to find pthread.h, then you should implement
		703	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		704	* OR provide pthread.h and link against the posix thread library
		705	* of your system.
		706	*/
		707	#include <pthread.h>
		708	#define ECB_NEEDS_PTHREADS 1
		709	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
		710
		711	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		712	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		713	#endif
		714	#endif
		715
		716	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
		717	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		718	#endif
		719
		720	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
		721	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		722	#endif
		723
		724	/*****************************************************************************/
486		725
487	#if __cplusplus	726	#if __cplusplus
488	#define ecb_inline static inline	727	#define ecb_inline static inline
489	#elif ECB_GCC_VERSION(2,5)	728	#elif ECB_GCC_VERSION(2,5)
490	#define ecb_inline static __inline__	729	#define ecb_inline static __inline__
…		…
492	#define ecb_inline static inline	731	#define ecb_inline static inline
493	#else	732	#else
494	#define ecb_inline static	733	#define ecb_inline static
495	#endif	734	#endif
496		735
497	#ifndef ECB_MEMORY_FENCE
498	#if ECB_GCC_VERSION(2,5)	736	#if ECB_GCC_VERSION(3,3)
499	#if __x86	737	#define ecb_restrict __restrict__
500	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	738	#elif ECB_C99
501	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	739	#define ecb_restrict restrict
502	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE /* better be safe than sorry */	740	#else
503	#elif __amd64	741	#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	742	#endif
509	#endif
510		743
511	#ifndef ECB_MEMORY_FENCE	744	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		745
527	#ifndef ECB_MEMORY_FENCE	746	#define ECB_CONCAT_(a, b) a ## b
528	#include <pthread.h>	747	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
		748	#define ECB_STRINGIFY_(a) # a
		749	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
529		750
530	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	751	#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		752
536	#if ECB_GCC_VERSION(3,1)	753	#if ECB_GCC_VERSION(3,1)
537	#define ecb_attribute(attrlist) __attribute__(attrlist)	754	#define ecb_attribute(attrlist) __attribute__(attrlist)
538	#define ecb_is_constant(expr) __builtin_constant_p (expr)	755	#define ecb_is_constant(expr) __builtin_constant_p (expr)
539	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	756	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
…		…
543	#define ecb_is_constant(expr) 0	760	#define ecb_is_constant(expr) 0
544	#define ecb_expect(expr,value) (expr)	761	#define ecb_expect(expr,value) (expr)
545	#define ecb_prefetch(addr,rw,locality)	762	#define ecb_prefetch(addr,rw,locality)
546	#endif	763	#endif
547		764
		765	/* no emulation for ecb_decltype */
		766	#if ECB_GCC_VERSION(4,5)
		767	#define ecb_decltype(x) __decltype(x)
		768	#elif ECB_GCC_VERSION(3,0)
		769	#define ecb_decltype(x) __typeof(x)
		770	#endif
		771
548	#define ecb_noinline ecb_attribute ((__noinline__))	772	#define ecb_noinline ecb_attribute ((__noinline__))
549	#define ecb_noreturn ecb_attribute ((__noreturn__))
550	#define ecb_unused ecb_attribute ((__unused__))	773	#define ecb_unused ecb_attribute ((__unused__))
551	#define ecb_const ecb_attribute ((__const__))	774	#define ecb_const ecb_attribute ((__const__))
552	#define ecb_pure ecb_attribute ((__pure__))	775	#define ecb_pure ecb_attribute ((__pure__))
		776
		777	#if ECB_C11
		778	#define ecb_noreturn _Noreturn
		779	#else
		780	#define ecb_noreturn ecb_attribute ((__noreturn__))
		781	#endif
553		782
554	#if ECB_GCC_VERSION(4,3)	783	#if ECB_GCC_VERSION(4,3)
555	#define ecb_artificial ecb_attribute ((__artificial__))	784	#define ecb_artificial ecb_attribute ((__artificial__))
556	#define ecb_hot ecb_attribute ((__hot__))	785	#define ecb_hot ecb_attribute ((__hot__))
557	#define ecb_cold ecb_attribute ((__cold__))	786	#define ecb_cold ecb_attribute ((__cold__))
…		…
564	/* put around conditional expressions if you are very sure that the */	793	/* put around conditional expressions if you are very sure that the */
565	/* expression is mostly true or mostly false. note that these return */	794	/* expression is mostly true or mostly false. note that these return */
566	/* booleans, not the expression. */	795	/* booleans, not the expression. */
567	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)	796	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
568	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)	797	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
569	/* ecb.h end */	798	/* for compatibility to the rest of the world */
		799	#define ecb_likely(expr) ecb_expect_true (expr)
		800	#define ecb_unlikely(expr) ecb_expect_false (expr)
		801
		802	/* count trailing zero bits and count # of one bits */
		803	#if ECB_GCC_VERSION(3,4)
		804	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
		805	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
		806	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
		807	#define ecb_ctz32(x) __builtin_ctz (x)
		808	#define ecb_ctz64(x) __builtin_ctzll (x)
		809	#define ecb_popcount32(x) __builtin_popcount (x)
		810	/* no popcountll */
		811	#else
		812	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
		813	ecb_function_ int
		814	ecb_ctz32 (uint32_t x)
		815	{
		816	int r = 0;
		817
		818	x &= ~x + 1; /* this isolates the lowest bit */
		819
		820	#if ECB_branchless_on_i386
		821	r += !!(x & 0xaaaaaaaa) << 0;
		822	r += !!(x & 0xcccccccc) << 1;
		823	r += !!(x & 0xf0f0f0f0) << 2;
		824	r += !!(x & 0xff00ff00) << 3;
		825	r += !!(x & 0xffff0000) << 4;
		826	#else
		827	if (x & 0xaaaaaaaa) r += 1;
		828	if (x & 0xcccccccc) r += 2;
		829	if (x & 0xf0f0f0f0) r += 4;
		830	if (x & 0xff00ff00) r += 8;
		831	if (x & 0xffff0000) r += 16;
		832	#endif
		833
		834	return r;
		835	}
		836
		837	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
		838	ecb_function_ int
		839	ecb_ctz64 (uint64_t x)
		840	{
		841	int shift = x & 0xffffffffU ? 0 : 32;
		842	return ecb_ctz32 (x >> shift) + shift;
		843	}
		844
		845	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
		846	ecb_function_ int
		847	ecb_popcount32 (uint32_t x)
		848	{
		849	x -= (x >> 1) & 0x55555555;
		850	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
		851	x = ((x >> 4) + x) & 0x0f0f0f0f;
		852	x *= 0x01010101;
		853
		854	return x >> 24;
		855	}
		856
		857	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
		858	ecb_function_ int ecb_ld32 (uint32_t x)
		859	{
		860	int r = 0;
		861
		862	if (x >> 16) { x >>= 16; r += 16; }
		863	if (x >> 8) { x >>= 8; r += 8; }
		864	if (x >> 4) { x >>= 4; r += 4; }
		865	if (x >> 2) { x >>= 2; r += 2; }
		866	if (x >> 1) { r += 1; }
		867
		868	return r;
		869	}
		870
		871	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
		872	ecb_function_ int ecb_ld64 (uint64_t x)
		873	{
		874	int r = 0;
		875
		876	if (x >> 32) { x >>= 32; r += 32; }
		877
		878	return r + ecb_ld32 (x);
		879	}
		880	#endif
		881
		882	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		883	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		884	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		885	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		886
		887	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		888	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		889	{
		890	return ( (x * 0x0802U & 0x22110U)
		891	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		892	}
		893
		894	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		895	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		896	{
		897	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		898	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		899	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		900	x = ( x >> 8 ) | ( x << 8);
		901
		902	return x;
		903	}
		904
		905	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		906	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		907	{
		908	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		909	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		910	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		911	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		912	x = ( x >> 16 ) | ( x << 16);
		913
		914	return x;
		915	}
		916
		917	/* popcount64 is only available on 64 bit cpus as gcc builtin */
		918	/* so for this version we are lazy */
		919	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
		920	ecb_function_ int
		921	ecb_popcount64 (uint64_t x)
		922	{
		923	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
		924	}
		925
		926	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
		927	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
		928	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
		929	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
		930	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
		931	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
		932	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
		933	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
		934
		935	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
		936	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
		937	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
		938	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
		939	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
		940	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
		941	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
		942	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
		943
		944	#if ECB_GCC_VERSION(4,3)
		945	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		946	#define ecb_bswap32(x) __builtin_bswap32 (x)
		947	#define ecb_bswap64(x) __builtin_bswap64 (x)
		948	#else
		949	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
		950	ecb_function_ uint16_t
		951	ecb_bswap16 (uint16_t x)
		952	{
		953	return ecb_rotl16 (x, 8);
		954	}
		955
		956	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
		957	ecb_function_ uint32_t
		958	ecb_bswap32 (uint32_t x)
		959	{
		960	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
		961	}
		962
		963	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
		964	ecb_function_ uint64_t
		965	ecb_bswap64 (uint64_t x)
		966	{
		967	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
		968	}
		969	#endif
		970
		971	#if ECB_GCC_VERSION(4,5)
		972	#define ecb_unreachable() __builtin_unreachable ()
		973	#else
		974	/* this seems to work fine, but gcc always emits a warning for it :/ */
		975	ecb_inline void ecb_unreachable (void) ecb_noreturn;
		976	ecb_inline void ecb_unreachable (void) { }
		977	#endif
		978
		979	/* try to tell the compiler that some condition is definitely true */
		980	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
		981
		982	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
		983	ecb_inline unsigned char
		984	ecb_byteorder_helper (void)
		985	{
		986	/* the union code still generates code under pressure in gcc, */
		987	/* but less than using pointers, and always seems to */
		988	/* successfully return a constant. */
		989	/* the reason why we have this horrible preprocessor mess */
		990	/* is to avoid it in all cases, at least on common architectures */
		991	/* or when using a recent enough gcc version (>= 4.6) */
		992	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		993	return 0x44;
		994	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		995	return 0x44;
		996	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		997	return 0x11;
		998	#else
		999	union
		1000	{
		1001	uint32_t i;
		1002	uint8_t c;
		1003	} u = { 0x11223344 };
		1004	return u.c;
		1005	#endif
		1006	}
		1007
		1008	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
		1009	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
		1010	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
		1011	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
		1012
		1013	#if ECB_GCC_VERSION(3,0) || ECB_C99
		1014	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
		1015	#else
		1016	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1017	#endif
		1018
		1019	#if __cplusplus
		1020	template<typename T>
		1021	static inline T ecb_div_rd (T val, T div)
		1022	{
		1023	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1024	}
		1025	template<typename T>
		1026	static inline T ecb_div_ru (T val, T div)
		1027	{
		1028	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1029	}
		1030	#else
		1031	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1032	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
		1033	#endif
		1034
		1035	#if ecb_cplusplus_does_not_suck
		1036	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
		1037	template<typename T, int N>
		1038	static inline int ecb_array_length (const T (&arr)[N])
		1039	{
		1040	return N;
		1041	}
		1042	#else
		1043	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
		1044	#endif
		1045
		1046	/*******************************************************************************/
		1047	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1048
		1049	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1050	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1051	#if 0 \
		1052	|| __i386 || __i386__ \
		1053	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1054	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1055	|| defined __arm__ && defined __ARM_EABI__ \
		1056	|| defined __s390__ || defined __s390x__ \
		1057	|| defined __mips__ \
		1058	|| defined __alpha__ \
		1059	|| defined __hppa__ \
		1060	|| defined __ia64__ \
		1061	|| defined __m68k__ \
		1062	|| defined __m88k__ \
		1063	|| defined __sh__ \
		1064	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1065	#define ECB_STDFP 1
		1066	#include <string.h> /* for memcpy */
		1067	#else
		1068	#define ECB_STDFP 0
		1069	#endif
		1070
		1071	#ifndef ECB_NO_LIBM
		1072
		1073	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1074
		1075	#ifdef NEN
		1076	#define ECB_NAN NAN
		1077	#else
		1078	#define ECB_NAN INFINITY
		1079	#endif
		1080
		1081	/* converts an ieee half/binary16 to a float */
		1082	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
		1083	ecb_function_ float
		1084	ecb_binary16_to_float (uint16_t x)
		1085	{
		1086	int e = (x >> 10) & 0x1f;
		1087	int m = x & 0x3ff;
		1088	float r;
		1089
		1090	if (!e ) r = ldexpf (m , -24);
		1091	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
		1092	else if (m ) r = ECB_NAN;
		1093	else r = INFINITY;
		1094
		1095	return x & 0x8000 ? -r : r;
		1096	}
		1097
		1098	/* convert a float to ieee single/binary32 */
		1099	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1100	ecb_function_ uint32_t
		1101	ecb_float_to_binary32 (float x)
		1102	{
		1103	uint32_t r;
		1104
		1105	#if ECB_STDFP
		1106	memcpy (&r, &x, 4);
		1107	#else
		1108	/* slow emulation, works for anything but -0 */
		1109	uint32_t m;
		1110	int e;
		1111
		1112	if (x == 0e0f ) return 0x00000000U;
		1113	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1114	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1115	if (x != x ) return 0x7fbfffffU;
		1116
		1117	m = frexpf (x, &e) * 0x1000000U;
		1118
		1119	r = m & 0x80000000U;
		1120
		1121	if (r)
		1122	m = -m;
		1123
		1124	if (e <= -126)
		1125	{
		1126	m &= 0xffffffU;
		1127	m >>= (-125 - e);
		1128	e = -126;
		1129	}
		1130
		1131	r |= (e + 126) << 23;
		1132	r |= m & 0x7fffffU;
		1133	#endif
		1134
		1135	return r;
		1136	}
		1137
		1138	/* converts an ieee single/binary32 to a float */
		1139	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1140	ecb_function_ float
		1141	ecb_binary32_to_float (uint32_t x)
		1142	{
		1143	float r;
		1144
		1145	#if ECB_STDFP
		1146	memcpy (&r, &x, 4);
		1147	#else
		1148	/* emulation, only works for normals and subnormals and +0 */
		1149	int neg = x >> 31;
		1150	int e = (x >> 23) & 0xffU;
		1151
		1152	x &= 0x7fffffU;
		1153
		1154	if (e)
		1155	x |= 0x800000U;
		1156	else
		1157	e = 1;
		1158
		1159	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1160	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1161
		1162	r = neg ? -r : r;
		1163	#endif
		1164
		1165	return r;
		1166	}
		1167
		1168	/* convert a double to ieee double/binary64 */
		1169	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1170	ecb_function_ uint64_t
		1171	ecb_double_to_binary64 (double x)
		1172	{
		1173	uint64_t r;
		1174
		1175	#if ECB_STDFP
		1176	memcpy (&r, &x, 8);
		1177	#else
		1178	/* slow emulation, works for anything but -0 */
		1179	uint64_t m;
		1180	int e;
		1181
		1182	if (x == 0e0 ) return 0x0000000000000000U;
		1183	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1184	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1185	if (x != x ) return 0X7ff7ffffffffffffU;
		1186
		1187	m = frexp (x, &e) * 0x20000000000000U;
		1188
		1189	r = m & 0x8000000000000000;;
		1190
		1191	if (r)
		1192	m = -m;
		1193
		1194	if (e <= -1022)
		1195	{
		1196	m &= 0x1fffffffffffffU;
		1197	m >>= (-1021 - e);
		1198	e = -1022;
		1199	}
		1200
		1201	r |= ((uint64_t)(e + 1022)) << 52;
		1202	r |= m & 0xfffffffffffffU;
		1203	#endif
		1204
		1205	return r;
		1206	}
		1207
		1208	/* converts an ieee double/binary64 to a double */
		1209	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1210	ecb_function_ double
		1211	ecb_binary64_to_double (uint64_t x)
		1212	{
		1213	double r;
		1214
		1215	#if ECB_STDFP
		1216	memcpy (&r, &x, 8);
		1217	#else
		1218	/* emulation, only works for normals and subnormals and +0 */
		1219	int neg = x >> 63;
		1220	int e = (x >> 52) & 0x7ffU;
		1221
		1222	x &= 0xfffffffffffffU;
		1223
		1224	if (e)
		1225	x |= 0x10000000000000U;
		1226	else
		1227	e = 1;
		1228
		1229	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1230	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1231
		1232	r = neg ? -r : r;
		1233	#endif
		1234
		1235	return r;
		1236	}
		1237
		1238	#endif
		1239
		1240	#endif
		1241
		1242	/* ECB.H END */
		1243
		1244	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1245	/* if your architecture doesn't need memory fences, e.g. because it is
		1246	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1247	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1248	* libev, in which cases the memory fences become nops.
		1249	* alternatively, you can remove this #error and link against libpthread,
		1250	* which will then provide the memory fences.
		1251	*/
		1252	# error "memory fences not defined for your architecture, please report"
		1253	#endif
		1254
		1255	#ifndef ECB_MEMORY_FENCE
		1256	# define ECB_MEMORY_FENCE do { } while (0)
		1257	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1258	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		1259	#endif
570		1260
571	#define expect_false(cond) ecb_expect_false (cond)	1261	#define expect_false(cond) ecb_expect_false (cond)
572	#define expect_true(cond) ecb_expect_true (cond)	1262	#define expect_true(cond) ecb_expect_true (cond)
573	#define noinline ecb_noinline	1263	#define noinline ecb_noinline
574		1264
…		…
720	{	1410	{
721	write (STDERR_FILENO, msg, strlen (msg));	1411	write (STDERR_FILENO, msg, strlen (msg));
722	}	1412	}
723	#endif	1413	#endif
724		1414
725	static void (*syserr_cb)(const char *msg);	1415	static void (*syserr_cb)(const char *msg) EV_THROW;
726		1416
727	void ecb_cold	1417	void ecb_cold
728	ev_set_syserr_cb (void (*cb)(const char *msg))	1418	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
729	{	1419	{
730	syserr_cb = cb;	1420	syserr_cb = cb;
731	}	1421	}
732		1422
733	static void noinline ecb_cold	1423	static void noinline ecb_cold
…		…
751	abort ();	1441	abort ();
752	}	1442	}
753	}	1443	}
754		1444
755	static void *	1445	static void *
756	ev_realloc_emul (void *ptr, long size)	1446	ev_realloc_emul (void *ptr, long size) EV_THROW
757	{	1447	{
758	#if __GLIBC__
759	return realloc (ptr, size);
760	#else
761	/* some systems, notably openbsd and darwin, fail to properly	1448	/* some systems, notably openbsd and darwin, fail to properly
762	* implement realloc (x, 0) (as required by both ansi c-89 and	1449	* implement realloc (x, 0) (as required by both ansi c-89 and
763	* the single unix specification, so work around them here.	1450	* the single unix specification, so work around them here.
		1451	* recently, also (at least) fedora and debian started breaking it,
		1452	* despite documenting it otherwise.
764	*/	1453	*/
765		1454
766	if (size)	1455	if (size)
767	return realloc (ptr, size);	1456	return realloc (ptr, size);
768		1457
769	free (ptr);	1458	free (ptr);
770	return 0;	1459	return 0;
771	#endif
772	}	1460	}
773		1461
774	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1462	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
775		1463
776	void ecb_cold	1464	void ecb_cold
777	ev_set_allocator (void *(*cb)(void *ptr, long size))	1465	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
778	{	1466	{
779	alloc = cb;	1467	alloc = cb;
780	}	1468	}
781		1469
782	inline_speed void *	1470	inline_speed void *
…		…
870	#undef VAR	1558	#undef VAR
871	};	1559	};
872	#include "ev_wrap.h"	1560	#include "ev_wrap.h"
873		1561
874	static struct ev_loop default_loop_struct;	1562	static struct ev_loop default_loop_struct;
875	struct ev_loop *ev_default_loop_ptr;	1563	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
876		1564
877	#else	1565	#else
878		1566
879	ev_tstamp ev_rt_now;	1567	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;	1568	#define VAR(name,decl) static decl;
881	#include "ev_vars.h"	1569	#include "ev_vars.h"
882	#undef VAR	1570	#undef VAR
883		1571
884	static int ev_default_loop_ptr;	1572	static int ev_default_loop_ptr;
…		…
899		1587
900	/*****************************************************************************/	1588	/*****************************************************************************/
901		1589
902	#ifndef EV_HAVE_EV_TIME	1590	#ifndef EV_HAVE_EV_TIME
903	ev_tstamp	1591	ev_tstamp
904	ev_time (void)	1592	ev_time (void) EV_THROW
905	{	1593	{
906	#if EV_USE_REALTIME	1594	#if EV_USE_REALTIME
907	if (expect_true (have_realtime))	1595	if (expect_true (have_realtime))
908	{	1596	{
909	struct timespec ts;	1597	struct timespec ts;
…		…
933	return ev_time ();	1621	return ev_time ();
934	}	1622	}
935		1623
936	#if EV_MULTIPLICITY	1624	#if EV_MULTIPLICITY
937	ev_tstamp	1625	ev_tstamp
938	ev_now (EV_P)	1626	ev_now (EV_P) EV_THROW
939	{	1627	{
940	return ev_rt_now;	1628	return ev_rt_now;
941	}	1629	}
942	#endif	1630	#endif
943		1631
944	void	1632	void
945	ev_sleep (ev_tstamp delay)	1633	ev_sleep (ev_tstamp delay) EV_THROW
946	{	1634	{
947	if (delay > 0.)	1635	if (delay > 0.)
948	{	1636	{
949	#if EV_USE_NANOSLEEP	1637	#if EV_USE_NANOSLEEP
950	struct timespec ts;	1638	struct timespec ts;
951		1639
952	EV_TS_SET (ts, delay);	1640	EV_TS_SET (ts, delay);
953	nanosleep (&ts, 0);	1641	nanosleep (&ts, 0);
954	#elif defined(_WIN32)	1642	#elif defined _WIN32
955	Sleep ((unsigned long)(delay * 1e3));	1643	Sleep ((unsigned long)(delay * 1e3));
956	#else	1644	#else
957	struct timeval tv;	1645	struct timeval tv;
958		1646
959	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1647	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
978		1666
979	do	1667	do
980	ncur <<= 1;	1668	ncur <<= 1;
981	while (cnt > ncur);	1669	while (cnt > ncur);
982		1670
983	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1671	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
984	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1672	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
985	{	1673	{
986	ncur *= elem;	1674	ncur *= elem;
987	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1675	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
988	ncur = ncur - sizeof (void *) * 4;	1676	ncur = ncur - sizeof (void *) * 4;
…		…
1031	pendingcb (EV_P_ ev_prepare *w, int revents)	1719	pendingcb (EV_P_ ev_prepare *w, int revents)
1032	{	1720	{
1033	}	1721	}
1034		1722
1035	void noinline	1723	void noinline
1036	ev_feed_event (EV_P_ void *w, int revents)	1724	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1037	{	1725	{
1038	W w_ = (W)w;	1726	W w_ = (W)w;
1039	int pri = ABSPRI (w_);	1727	int pri = ABSPRI (w_);
1040		1728
1041	if (expect_false (w_->pending))	1729	if (expect_false (w_->pending))
…		…
1045	w_->pending = ++pendingcnt [pri];	1733	w_->pending = ++pendingcnt [pri];
1046	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1734	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1047	pendings [pri][w_->pending - 1].w = w_;	1735	pendings [pri][w_->pending - 1].w = w_;
1048	pendings [pri][w_->pending - 1].events = revents;	1736	pendings [pri][w_->pending - 1].events = revents;
1049	}	1737	}
		1738
		1739	pendingpri = NUMPRI - 1;
1050	}	1740	}
1051		1741
1052	inline_speed void	1742	inline_speed void
1053	feed_reverse (EV_P_ W w)	1743	feed_reverse (EV_P_ W w)
1054	{	1744	{
…		…
1100	if (expect_true (!anfd->reify))	1790	if (expect_true (!anfd->reify))
1101	fd_event_nocheck (EV_A_ fd, revents);	1791	fd_event_nocheck (EV_A_ fd, revents);
1102	}	1792	}
1103		1793
1104	void	1794	void
1105	ev_feed_fd_event (EV_P_ int fd, int revents)	1795	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1106	{	1796	{
1107	if (fd >= 0 && fd < anfdmax)	1797	if (fd >= 0 && fd < anfdmax)
1108	fd_event_nocheck (EV_A_ fd, revents);	1798	fd_event_nocheck (EV_A_ fd, revents);
1109	}	1799	}
1110		1800
…		…
1429	static void noinline ecb_cold	2119	static void noinline ecb_cold
1430	evpipe_init (EV_P)	2120	evpipe_init (EV_P)
1431	{	2121	{
1432	if (!ev_is_active (&pipe_w))	2122	if (!ev_is_active (&pipe_w))
1433	{	2123	{
		2124	int fds [2];
		2125
1434	# if EV_USE_EVENTFD	2126	# if EV_USE_EVENTFD
		2127	fds [0] = -1;
1435	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2128	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1436	if (evfd < 0 && errno == EINVAL)	2129	if (fds [1] < 0 && errno == EINVAL)
1437	evfd = eventfd (0, 0);	2130	fds [1] = eventfd (0, 0);
1438		2131
1439	if (evfd >= 0)	2132	if (fds [1] < 0)
		2133	# endif
1440	{	2134	{
		2135	while (pipe (fds))
		2136	ev_syserr ("(libev) error creating signal/async pipe");
		2137
		2138	fd_intern (fds [0]);
		2139	}
		2140
1441	evpipe [0] = -1;	2141	evpipe [0] = fds [0];
1442	fd_intern (evfd); /* doing it twice doesn't hurt */	2142
1443	ev_io_set (&pipe_w, evfd, EV_READ);	2143	if (evpipe [1] < 0)
		2144	evpipe [1] = fds [1]; /* first call, set write fd */
		2145	else
		2146	{
		2147	/* on subsequent calls, do not change evpipe [1] */
		2148	/* so that evpipe_write can always rely on its value. */
		2149	/* this branch does not do anything sensible on windows, */
		2150	/* so must not be executed on windows */
		2151
		2152	dup2 (fds [1], evpipe [1]);
		2153	close (fds [1]);
		2154	}
		2155
		2156	fd_intern (evpipe [1]);
		2157
		2158	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2159	ev_io_start (EV_A_ &pipe_w);
		2160	ev_unref (EV_A); /* watcher should not keep loop alive */
		2161	}
		2162	}
		2163
		2164	inline_speed void
		2165	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2166	{
		2167	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2168
		2169	if (expect_true (*flag))
		2170	return;
		2171
		2172	*flag = 1;
		2173	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2174
		2175	pipe_write_skipped = 1;
		2176
		2177	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2178
		2179	if (pipe_write_wanted)
		2180	{
		2181	int old_errno;
		2182
		2183	pipe_write_skipped = 0;
		2184	ECB_MEMORY_FENCE_RELEASE;
		2185
		2186	old_errno = errno; /* save errno because write will clobber it */
		2187
		2188	#if EV_USE_EVENTFD
		2189	if (evpipe [0] < 0)
		2190	{
		2191	uint64_t counter = 1;
		2192	write (evpipe [1], &counter, sizeof (uint64_t));
1444	}	2193	}
1445	else	2194	else
1446	# endif	2195	#endif
1447	{	2196	{
1448	while (pipe (evpipe))	2197	#ifdef _WIN32
1449	ev_syserr ("(libev) error creating signal/async pipe");	2198	WSABUF buf;
1450		2199	DWORD sent;
1451	fd_intern (evpipe [0]);	2200	buf.buf = &buf;
1452	fd_intern (evpipe [1]);	2201	buf.len = 1;
1453	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2202	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1454	}	2203	#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);	2204	write (evpipe [1], &(evpipe [1]), 1);
		2205	#endif
1498	}	2206	}
1499		2207
1500	errno = old_errno;	2208	errno = old_errno;
1501	}	2209	}
1502	}	2210	}
…		…
1509	int i;	2217	int i;
1510		2218
1511	if (revents & EV_READ)	2219	if (revents & EV_READ)
1512	{	2220	{
1513	#if EV_USE_EVENTFD	2221	#if EV_USE_EVENTFD
1514	if (evfd >= 0)	2222	if (evpipe [0] < 0)
1515	{	2223	{
1516	uint64_t counter;	2224	uint64_t counter;
1517	read (evfd, &counter, sizeof (uint64_t));	2225	read (evpipe [1], &counter, sizeof (uint64_t));
1518	}	2226	}
1519	else	2227	else
1520	#endif	2228	#endif
1521	{	2229	{
1522	char dummy;	2230	char dummy[4];
1523	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2231	#ifdef _WIN32
		2232	WSABUF buf;
		2233	DWORD recvd;
		2234	DWORD flags = 0;
		2235	buf.buf = dummy;
		2236	buf.len = sizeof (dummy);
		2237	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2238	#else
1524	read (evpipe [0], &dummy, 1);	2239	read (evpipe [0], &dummy, sizeof (dummy));
		2240	#endif
1525	}	2241	}
1526	}	2242	}
1527		2243
1528	pipe_write_skipped = 0;	2244	pipe_write_skipped = 0;
		2245
		2246	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1529		2247
1530	#if EV_SIGNAL_ENABLE	2248	#if EV_SIGNAL_ENABLE
1531	if (sig_pending)	2249	if (sig_pending)
1532	{	2250	{
1533	sig_pending = 0;	2251	sig_pending = 0;
		2252
		2253	ECB_MEMORY_FENCE;
1534		2254
1535	for (i = EV_NSIG - 1; i--; )	2255	for (i = EV_NSIG - 1; i--; )
1536	if (expect_false (signals [i].pending))	2256	if (expect_false (signals [i].pending))
1537	ev_feed_signal_event (EV_A_ i + 1);	2257	ev_feed_signal_event (EV_A_ i + 1);
1538	}	2258	}
…		…
1540		2260
1541	#if EV_ASYNC_ENABLE	2261	#if EV_ASYNC_ENABLE
1542	if (async_pending)	2262	if (async_pending)
1543	{	2263	{
1544	async_pending = 0;	2264	async_pending = 0;
		2265
		2266	ECB_MEMORY_FENCE;
1545		2267
1546	for (i = asynccnt; i--; )	2268	for (i = asynccnt; i--; )
1547	if (asyncs [i]->sent)	2269	if (asyncs [i]->sent)
1548	{	2270	{
1549	asyncs [i]->sent = 0;	2271	asyncs [i]->sent = 0;
		2272	ECB_MEMORY_FENCE_RELEASE;
1550	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2273	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1551	}	2274	}
1552	}	2275	}
1553	#endif	2276	#endif
1554	}	2277	}
1555		2278
1556	/*****************************************************************************/	2279	/*****************************************************************************/
1557		2280
1558	void	2281	void
1559	ev_feed_signal (int signum)	2282	ev_feed_signal (int signum) EV_THROW
1560	{	2283	{
1561	#if EV_MULTIPLICITY	2284	#if EV_MULTIPLICITY
		2285	EV_P;
		2286	ECB_MEMORY_FENCE_ACQUIRE;
1562	EV_P = signals [signum - 1].loop;	2287	EV_A = signals [signum - 1].loop;
1563		2288
1564	if (!EV_A)	2289	if (!EV_A)
1565	return;	2290	return;
1566	#endif	2291	#endif
1567		2292
1568	if (!ev_active (&pipe_w))
1569	return;
1570
1571	signals [signum - 1].pending = 1;	2293	signals [signum - 1].pending = 1;
1572	evpipe_write (EV_A_ &sig_pending);	2294	evpipe_write (EV_A_ &sig_pending);
1573	}	2295	}
1574		2296
1575	static void	2297	static void
…		…
1581		2303
1582	ev_feed_signal (signum);	2304	ev_feed_signal (signum);
1583	}	2305	}
1584		2306
1585	void noinline	2307	void noinline
1586	ev_feed_signal_event (EV_P_ int signum)	2308	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1587	{	2309	{
1588	WL w;	2310	WL w;
1589		2311
1590	if (expect_false (signum <= 0 || signum > EV_NSIG))	2312	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1591	return;	2313	return;
1592		2314
1593	--signum;	2315	--signum;
1594		2316
1595	#if EV_MULTIPLICITY	2317	#if EV_MULTIPLICITY
…		…
1599	if (expect_false (signals [signum].loop != EV_A))	2321	if (expect_false (signals [signum].loop != EV_A))
1600	return;	2322	return;
1601	#endif	2323	#endif
1602		2324
1603	signals [signum].pending = 0;	2325	signals [signum].pending = 0;
		2326	ECB_MEMORY_FENCE_RELEASE;
1604		2327
1605	for (w = signals [signum].head; w; w = w->next)	2328	for (w = signals [signum].head; w; w = w->next)
1606	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2329	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1607	}	2330	}
1608		2331
…		…
1707	#if EV_USE_SELECT	2430	#if EV_USE_SELECT
1708	# include "ev_select.c"	2431	# include "ev_select.c"
1709	#endif	2432	#endif
1710		2433
1711	int ecb_cold	2434	int ecb_cold
1712	ev_version_major (void)	2435	ev_version_major (void) EV_THROW
1713	{	2436	{
1714	return EV_VERSION_MAJOR;	2437	return EV_VERSION_MAJOR;
1715	}	2438	}
1716		2439
1717	int ecb_cold	2440	int ecb_cold
1718	ev_version_minor (void)	2441	ev_version_minor (void) EV_THROW
1719	{	2442	{
1720	return EV_VERSION_MINOR;	2443	return EV_VERSION_MINOR;
1721	}	2444	}
1722		2445
1723	/* return true if we are running with elevated privileges and should ignore env variables */	2446	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
1731	|| getgid () != getegid ();	2454	|| getgid () != getegid ();
1732	#endif	2455	#endif
1733	}	2456	}
1734		2457
1735	unsigned int ecb_cold	2458	unsigned int ecb_cold
1736	ev_supported_backends (void)	2459	ev_supported_backends (void) EV_THROW
1737	{	2460	{
1738	unsigned int flags = 0;	2461	unsigned int flags = 0;
1739		2462
1740	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2463	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1741	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2464	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
1745		2468
1746	return flags;	2469	return flags;
1747	}	2470	}
1748		2471
1749	unsigned int ecb_cold	2472	unsigned int ecb_cold
1750	ev_recommended_backends (void)	2473	ev_recommended_backends (void) EV_THROW
1751	{	2474	{
1752	unsigned int flags = ev_supported_backends ();	2475	unsigned int flags = ev_supported_backends ();
1753		2476
1754	#ifndef __NetBSD__	2477	#ifndef __NetBSD__
1755	/* kqueue is borked on everything but netbsd apparently */	2478	/* kqueue is borked on everything but netbsd apparently */
…		…
1767		2490
1768	return flags;	2491	return flags;
1769	}	2492	}
1770		2493
1771	unsigned int ecb_cold	2494	unsigned int ecb_cold
1772	ev_embeddable_backends (void)	2495	ev_embeddable_backends (void) EV_THROW
1773	{	2496	{
1774	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2497	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1775		2498
1776	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2499	/* 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 */	2500	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
1779		2502
1780	return flags;	2503	return flags;
1781	}	2504	}
1782		2505
1783	unsigned int	2506	unsigned int
1784	ev_backend (EV_P)	2507	ev_backend (EV_P) EV_THROW
1785	{	2508	{
1786	return backend;	2509	return backend;
1787	}	2510	}
1788		2511
1789	#if EV_FEATURE_API	2512	#if EV_FEATURE_API
1790	unsigned int	2513	unsigned int
1791	ev_iteration (EV_P)	2514	ev_iteration (EV_P) EV_THROW
1792	{	2515	{
1793	return loop_count;	2516	return loop_count;
1794	}	2517	}
1795		2518
1796	unsigned int	2519	unsigned int
1797	ev_depth (EV_P)	2520	ev_depth (EV_P) EV_THROW
1798	{	2521	{
1799	return loop_depth;	2522	return loop_depth;
1800	}	2523	}
1801		2524
1802	void	2525	void
1803	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2526	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1804	{	2527	{
1805	io_blocktime = interval;	2528	io_blocktime = interval;
1806	}	2529	}
1807		2530
1808	void	2531	void
1809	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2532	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1810	{	2533	{
1811	timeout_blocktime = interval;	2534	timeout_blocktime = interval;
1812	}	2535	}
1813		2536
1814	void	2537	void
1815	ev_set_userdata (EV_P_ void *data)	2538	ev_set_userdata (EV_P_ void *data) EV_THROW
1816	{	2539	{
1817	userdata = data;	2540	userdata = data;
1818	}	2541	}
1819		2542
1820	void *	2543	void *
1821	ev_userdata (EV_P)	2544	ev_userdata (EV_P) EV_THROW
1822	{	2545	{
1823	return userdata;	2546	return userdata;
1824	}	2547	}
1825		2548
1826	void	2549	void
1827	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2550	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
1828	{	2551	{
1829	invoke_cb = invoke_pending_cb;	2552	invoke_cb = invoke_pending_cb;
1830	}	2553	}
1831		2554
1832	void	2555	void
1833	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2556	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
1834	{	2557	{
1835	release_cb = release;	2558	release_cb = release;
1836	acquire_cb = acquire;	2559	acquire_cb = acquire;
1837	}	2560	}
1838	#endif	2561	#endif
1839		2562
1840	/* initialise a loop structure, must be zero-initialised */	2563	/* initialise a loop structure, must be zero-initialised */
1841	static void noinline ecb_cold	2564	static void noinline ecb_cold
1842	loop_init (EV_P_ unsigned int flags)	2565	loop_init (EV_P_ unsigned int flags) EV_THROW
1843	{	2566	{
1844	if (!backend)	2567	if (!backend)
1845	{	2568	{
1846	origflags = flags;	2569	origflags = flags;
1847		2570
…		…
1892	#if EV_ASYNC_ENABLE	2615	#if EV_ASYNC_ENABLE
1893	async_pending = 0;	2616	async_pending = 0;
1894	#endif	2617	#endif
1895	pipe_write_skipped = 0;	2618	pipe_write_skipped = 0;
1896	pipe_write_wanted = 0;	2619	pipe_write_wanted = 0;
		2620	evpipe [0] = -1;
		2621	evpipe [1] = -1;
1897	#if EV_USE_INOTIFY	2622	#if EV_USE_INOTIFY
1898	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2623	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1899	#endif	2624	#endif
1900	#if EV_USE_SIGNALFD	2625	#if EV_USE_SIGNALFD
1901	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2626	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
1952	EV_INVOKE_PENDING;	2677	EV_INVOKE_PENDING;
1953	}	2678	}
1954	#endif	2679	#endif
1955		2680
1956	#if EV_CHILD_ENABLE	2681	#if EV_CHILD_ENABLE
1957	if (ev_is_active (&childev))	2682	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1958	{	2683	{
1959	ev_ref (EV_A); /* child watcher */	2684	ev_ref (EV_A); /* child watcher */
1960	ev_signal_stop (EV_A_ &childev);	2685	ev_signal_stop (EV_A_ &childev);
1961	}	2686	}
1962	#endif	2687	#endif
…		…
1964	if (ev_is_active (&pipe_w))	2689	if (ev_is_active (&pipe_w))
1965	{	2690	{
1966	/*ev_ref (EV_A);*/	2691	/*ev_ref (EV_A);*/
1967	/*ev_io_stop (EV_A_ &pipe_w);*/	2692	/*ev_io_stop (EV_A_ &pipe_w);*/
1968		2693
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]);	2694	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1977	EV_WIN32_CLOSE_FD (evpipe [1]);	2695	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1978	}
1979	}	2696	}
1980		2697
1981	#if EV_USE_SIGNALFD	2698	#if EV_USE_SIGNALFD
1982	if (ev_is_active (&sigfd_w))	2699	if (ev_is_active (&sigfd_w))
1983	close (sigfd);	2700	close (sigfd);
…		…
2069	#endif	2786	#endif
2070	#if EV_USE_INOTIFY	2787	#if EV_USE_INOTIFY
2071	infy_fork (EV_A);	2788	infy_fork (EV_A);
2072	#endif	2789	#endif
2073		2790
		2791	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2074	if (ev_is_active (&pipe_w))	2792	if (ev_is_active (&pipe_w))
2075	{	2793	{
2076	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2794	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2077		2795
2078	ev_ref (EV_A);	2796	ev_ref (EV_A);
2079	ev_io_stop (EV_A_ &pipe_w);	2797	ev_io_stop (EV_A_ &pipe_w);
2080		2798
2081	#if EV_USE_EVENTFD
2082	if (evfd >= 0)
2083	close (evfd);
2084	#endif
2085
2086	if (evpipe [0] >= 0)	2799	if (evpipe [0] >= 0)
2087	{
2088	EV_WIN32_CLOSE_FD (evpipe [0]);	2800	EV_WIN32_CLOSE_FD (evpipe [0]);
2089	EV_WIN32_CLOSE_FD (evpipe [1]);
2090	}
2091		2801
2092	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2093	evpipe_init (EV_A);	2802	evpipe_init (EV_A);
2094	/* now iterate over everything, in case we missed something */	2803	/* iterate over everything, in case we missed something before */
2095	pipecb (EV_A_ &pipe_w, EV_READ);	2804	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2096	#endif
2097	}	2805	}
		2806	#endif
2098		2807
2099	postfork = 0;	2808	postfork = 0;
2100	}	2809	}
2101		2810
2102	#if EV_MULTIPLICITY	2811	#if EV_MULTIPLICITY
2103		2812
2104	struct ev_loop * ecb_cold	2813	struct ev_loop * ecb_cold
2105	ev_loop_new (unsigned int flags)	2814	ev_loop_new (unsigned int flags) EV_THROW
2106	{	2815	{
2107	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2816	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2108		2817
2109	memset (EV_A, 0, sizeof (struct ev_loop));	2818	memset (EV_A, 0, sizeof (struct ev_loop));
2110	loop_init (EV_A_ flags);	2819	loop_init (EV_A_ flags);
…		…
2154	}	2863	}
2155	#endif	2864	#endif
2156		2865
2157	#if EV_FEATURE_API	2866	#if EV_FEATURE_API
2158	void ecb_cold	2867	void ecb_cold
2159	ev_verify (EV_P)	2868	ev_verify (EV_P) EV_THROW
2160	{	2869	{
2161	#if EV_VERIFY	2870	#if EV_VERIFY
2162	int i;	2871	int i;
2163	WL w;	2872	WL w, w2;
2164		2873
2165	assert (activecnt >= -1);	2874	assert (activecnt >= -1);
2166		2875
2167	assert (fdchangemax >= fdchangecnt);	2876	assert (fdchangemax >= fdchangecnt);
2168	for (i = 0; i < fdchangecnt; ++i)	2877	for (i = 0; i < fdchangecnt; ++i)
2169	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2878	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2170		2879
2171	assert (anfdmax >= 0);	2880	assert (anfdmax >= 0);
2172	for (i = 0; i < anfdmax; ++i)	2881	for (i = 0; i < anfdmax; ++i)
		2882	{
		2883	int j = 0;
		2884
2173	for (w = anfds [i].head; w; w = w->next)	2885	for (w = w2 = anfds [i].head; w; w = w->next)
2174	{	2886	{
2175	verify_watcher (EV_A_ (W)w);	2887	verify_watcher (EV_A_ (W)w);
		2888
		2889	if (j++ & 1)
		2890	{
		2891	assert (("libev: io watcher list contains a loop", w != w2));
		2892	w2 = w2->next;
		2893	}
		2894
2176	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2895	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));	2896	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2178	}	2897	}
		2898	}
2179		2899
2180	assert (timermax >= timercnt);	2900	assert (timermax >= timercnt);
2181	verify_heap (EV_A_ timers, timercnt);	2901	verify_heap (EV_A_ timers, timercnt);
2182		2902
2183	#if EV_PERIODIC_ENABLE	2903	#if EV_PERIODIC_ENABLE
…		…
2233	#if EV_MULTIPLICITY	2953	#if EV_MULTIPLICITY
2234	struct ev_loop * ecb_cold	2954	struct ev_loop * ecb_cold
2235	#else	2955	#else
2236	int	2956	int
2237	#endif	2957	#endif
2238	ev_default_loop (unsigned int flags)	2958	ev_default_loop (unsigned int flags) EV_THROW
2239	{	2959	{
2240	if (!ev_default_loop_ptr)	2960	if (!ev_default_loop_ptr)
2241	{	2961	{
2242	#if EV_MULTIPLICITY	2962	#if EV_MULTIPLICITY
2243	EV_P = ev_default_loop_ptr = &default_loop_struct;	2963	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2262		2982
2263	return ev_default_loop_ptr;	2983	return ev_default_loop_ptr;
2264	}	2984	}
2265		2985
2266	void	2986	void
2267	ev_loop_fork (EV_P)	2987	ev_loop_fork (EV_P) EV_THROW
2268	{	2988	{
2269	postfork = 1; /* must be in line with ev_default_fork */	2989	postfork = 1;
2270	}	2990	}
2271		2991
2272	/*****************************************************************************/	2992	/*****************************************************************************/
2273		2993
2274	void	2994	void
…		…
2276	{	2996	{
2277	EV_CB_INVOKE ((W)w, revents);	2997	EV_CB_INVOKE ((W)w, revents);
2278	}	2998	}
2279		2999
2280	unsigned int	3000	unsigned int
2281	ev_pending_count (EV_P)	3001	ev_pending_count (EV_P) EV_THROW
2282	{	3002	{
2283	int pri;	3003	int pri;
2284	unsigned int count = 0;	3004	unsigned int count = 0;
2285		3005
2286	for (pri = NUMPRI; pri--; )	3006	for (pri = NUMPRI; pri--; )
…		…
2290	}	3010	}
2291		3011
2292	void noinline	3012	void noinline
2293	ev_invoke_pending (EV_P)	3013	ev_invoke_pending (EV_P)
2294	{	3014	{
2295	int pri;	3015	pendingpri = NUMPRI;
2296		3016
2297	for (pri = NUMPRI; pri--; )	3017	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3018	{
		3019	--pendingpri;
		3020
2298	while (pendingcnt [pri])	3021	while (pendingcnt [pendingpri])
2299	{	3022	{
2300	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3023	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2301		3024
2302	p->w->pending = 0;	3025	p->w->pending = 0;
2303	EV_CB_INVOKE (p->w, p->events);	3026	EV_CB_INVOKE (p->w, p->events);
2304	EV_FREQUENT_CHECK;	3027	EV_FREQUENT_CHECK;
2305	}	3028	}
		3029	}
2306	}	3030	}
2307		3031
2308	#if EV_IDLE_ENABLE	3032	#if EV_IDLE_ENABLE
2309	/* make idle watchers pending. this handles the "call-idle */	3033	/* make idle watchers pending. this handles the "call-idle */
2310	/* only when higher priorities are idle" logic */	3034	/* only when higher priorities are idle" logic */
…		…
2400	{	3124	{
2401	EV_FREQUENT_CHECK;	3125	EV_FREQUENT_CHECK;
2402		3126
2403	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3127	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2404	{	3128	{
2405	int feed_count = 0;
2406
2407	do	3129	do
2408	{	3130	{
2409	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3131	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2410		3132
2411	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3133	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2545		3267
2546	mn_now = ev_rt_now;	3268	mn_now = ev_rt_now;
2547	}	3269	}
2548	}	3270	}
2549		3271
2550	void	3272	int
2551	ev_run (EV_P_ int flags)	3273	ev_run (EV_P_ int flags)
2552	{	3274	{
2553	#if EV_FEATURE_API	3275	#if EV_FEATURE_API
2554	++loop_depth;	3276	++loop_depth;
2555	#endif	3277	#endif
…		…
2616	time_update (EV_A_ 1e100);	3338	time_update (EV_A_ 1e100);
2617		3339
2618	/* from now on, we want a pipe-wake-up */	3340	/* from now on, we want a pipe-wake-up */
2619	pipe_write_wanted = 1;	3341	pipe_write_wanted = 1;
2620		3342
2621	ECB_MEMORY_FENCE;	3343	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
2622		3344
2623	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3345	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2624	{	3346	{
2625	waittime = MAX_BLOCKTIME;	3347	waittime = MAX_BLOCKTIME;
2626		3348
…		…
2668	#endif	3390	#endif
2669	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3391	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2670	backend_poll (EV_A_ waittime);	3392	backend_poll (EV_A_ waittime);
2671	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3393	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2672		3394
2673	pipe_write_wanted = 0;	3395	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2674		3396
		3397	ECB_MEMORY_FENCE_ACQUIRE;
2675	if (pipe_write_skipped)	3398	if (pipe_write_skipped)
2676	{	3399	{
2677	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3400	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);	3401	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2679	}	3402	}
…		…
2712	loop_done = EVBREAK_CANCEL;	3435	loop_done = EVBREAK_CANCEL;
2713		3436
2714	#if EV_FEATURE_API	3437	#if EV_FEATURE_API
2715	--loop_depth;	3438	--loop_depth;
2716	#endif	3439	#endif
		3440
		3441	return activecnt;
2717	}	3442	}
2718		3443
2719	void	3444	void
2720	ev_break (EV_P_ int how)	3445	ev_break (EV_P_ int how) EV_THROW
2721	{	3446	{
2722	loop_done = how;	3447	loop_done = how;
2723	}	3448	}
2724		3449
2725	void	3450	void
2726	ev_ref (EV_P)	3451	ev_ref (EV_P) EV_THROW
2727	{	3452	{
2728	++activecnt;	3453	++activecnt;
2729	}	3454	}
2730		3455
2731	void	3456	void
2732	ev_unref (EV_P)	3457	ev_unref (EV_P) EV_THROW
2733	{	3458	{
2734	--activecnt;	3459	--activecnt;
2735	}	3460	}
2736		3461
2737	void	3462	void
2738	ev_now_update (EV_P)	3463	ev_now_update (EV_P) EV_THROW
2739	{	3464	{
2740	time_update (EV_A_ 1e100);	3465	time_update (EV_A_ 1e100);
2741	}	3466	}
2742		3467
2743	void	3468	void
2744	ev_suspend (EV_P)	3469	ev_suspend (EV_P) EV_THROW
2745	{	3470	{
2746	ev_now_update (EV_A);	3471	ev_now_update (EV_A);
2747	}	3472	}
2748		3473
2749	void	3474	void
2750	ev_resume (EV_P)	3475	ev_resume (EV_P) EV_THROW
2751	{	3476	{
2752	ev_tstamp mn_prev = mn_now;	3477	ev_tstamp mn_prev = mn_now;
2753		3478
2754	ev_now_update (EV_A);	3479	ev_now_update (EV_A);
2755	timers_reschedule (EV_A_ mn_now - mn_prev);	3480	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
2794	w->pending = 0;	3519	w->pending = 0;
2795	}	3520	}
2796	}	3521	}
2797		3522
2798	int	3523	int
2799	ev_clear_pending (EV_P_ void *w)	3524	ev_clear_pending (EV_P_ void *w) EV_THROW
2800	{	3525	{
2801	W w_ = (W)w;	3526	W w_ = (W)w;
2802	int pending = w_->pending;	3527	int pending = w_->pending;
2803		3528
2804	if (expect_true (pending))	3529	if (expect_true (pending))
…		…
2837	}	3562	}
2838		3563
2839	/*****************************************************************************/	3564	/*****************************************************************************/
2840		3565
2841	void noinline	3566	void noinline
2842	ev_io_start (EV_P_ ev_io *w)	3567	ev_io_start (EV_P_ ev_io *w) EV_THROW
2843	{	3568	{
2844	int fd = w->fd;	3569	int fd = w->fd;
2845		3570
2846	if (expect_false (ev_is_active (w)))	3571	if (expect_false (ev_is_active (w)))
2847	return;	3572	return;
…		…
2853		3578
2854	ev_start (EV_A_ (W)w, 1);	3579	ev_start (EV_A_ (W)w, 1);
2855	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3580	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2856	wlist_add (&anfds[fd].head, (WL)w);	3581	wlist_add (&anfds[fd].head, (WL)w);
2857		3582
		3583	/* common bug, apparently */
		3584	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3585
2858	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3586	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2859	w->events &= ~EV__IOFDSET;	3587	w->events &= ~EV__IOFDSET;
2860		3588
2861	EV_FREQUENT_CHECK;	3589	EV_FREQUENT_CHECK;
2862	}	3590	}
2863		3591
2864	void noinline	3592	void noinline
2865	ev_io_stop (EV_P_ ev_io *w)	3593	ev_io_stop (EV_P_ ev_io *w) EV_THROW
2866	{	3594	{
2867	clear_pending (EV_A_ (W)w);	3595	clear_pending (EV_A_ (W)w);
2868	if (expect_false (!ev_is_active (w)))	3596	if (expect_false (!ev_is_active (w)))
2869	return;	3597	return;
2870		3598
…		…
2879		3607
2880	EV_FREQUENT_CHECK;	3608	EV_FREQUENT_CHECK;
2881	}	3609	}
2882		3610
2883	void noinline	3611	void noinline
2884	ev_timer_start (EV_P_ ev_timer *w)	3612	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2885	{	3613	{
2886	if (expect_false (ev_is_active (w)))	3614	if (expect_false (ev_is_active (w)))
2887	return;	3615	return;
2888		3616
2889	ev_at (w) += mn_now;	3617	ev_at (w) += mn_now;
…		…
2903		3631
2904	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3632	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2905	}	3633	}
2906		3634
2907	void noinline	3635	void noinline
2908	ev_timer_stop (EV_P_ ev_timer *w)	3636	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2909	{	3637	{
2910	clear_pending (EV_A_ (W)w);	3638	clear_pending (EV_A_ (W)w);
2911	if (expect_false (!ev_is_active (w)))	3639	if (expect_false (!ev_is_active (w)))
2912	return;	3640	return;
2913		3641
…		…
2933		3661
2934	EV_FREQUENT_CHECK;	3662	EV_FREQUENT_CHECK;
2935	}	3663	}
2936		3664
2937	void noinline	3665	void noinline
2938	ev_timer_again (EV_P_ ev_timer *w)	3666	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2939	{	3667	{
2940	EV_FREQUENT_CHECK;	3668	EV_FREQUENT_CHECK;
		3669
		3670	clear_pending (EV_A_ (W)w);
2941		3671
2942	if (ev_is_active (w))	3672	if (ev_is_active (w))
2943	{	3673	{
2944	if (w->repeat)	3674	if (w->repeat)
2945	{	3675	{
…		…
2958		3688
2959	EV_FREQUENT_CHECK;	3689	EV_FREQUENT_CHECK;
2960	}	3690	}
2961		3691
2962	ev_tstamp	3692	ev_tstamp
2963	ev_timer_remaining (EV_P_ ev_timer *w)	3693	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2964	{	3694	{
2965	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3695	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2966	}	3696	}
2967		3697
2968	#if EV_PERIODIC_ENABLE	3698	#if EV_PERIODIC_ENABLE
2969	void noinline	3699	void noinline
2970	ev_periodic_start (EV_P_ ev_periodic *w)	3700	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2971	{	3701	{
2972	if (expect_false (ev_is_active (w)))	3702	if (expect_false (ev_is_active (w)))
2973	return;	3703	return;
2974		3704
2975	if (w->reschedule_cb)	3705	if (w->reschedule_cb)
…		…
2995		3725
2996	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3726	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2997	}	3727	}
2998		3728
2999	void noinline	3729	void noinline
3000	ev_periodic_stop (EV_P_ ev_periodic *w)	3730	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3001	{	3731	{
3002	clear_pending (EV_A_ (W)w);	3732	clear_pending (EV_A_ (W)w);
3003	if (expect_false (!ev_is_active (w)))	3733	if (expect_false (!ev_is_active (w)))
3004	return;	3734	return;
3005		3735
…		…
3023		3753
3024	EV_FREQUENT_CHECK;	3754	EV_FREQUENT_CHECK;
3025	}	3755	}
3026		3756
3027	void noinline	3757	void noinline
3028	ev_periodic_again (EV_P_ ev_periodic *w)	3758	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3029	{	3759	{
3030	/* TODO: use adjustheap and recalculation */	3760	/* TODO: use adjustheap and recalculation */
3031	ev_periodic_stop (EV_A_ w);	3761	ev_periodic_stop (EV_A_ w);
3032	ev_periodic_start (EV_A_ w);	3762	ev_periodic_start (EV_A_ w);
3033	}	3763	}
…		…
3038	#endif	3768	#endif
3039		3769
3040	#if EV_SIGNAL_ENABLE	3770	#if EV_SIGNAL_ENABLE
3041		3771
3042	void noinline	3772	void noinline
3043	ev_signal_start (EV_P_ ev_signal *w)	3773	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3044	{	3774	{
3045	if (expect_false (ev_is_active (w)))	3775	if (expect_false (ev_is_active (w)))
3046	return;	3776	return;
3047		3777
3048	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3778	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3050	#if EV_MULTIPLICITY	3780	#if EV_MULTIPLICITY
3051	assert (("libev: a signal must not be attached to two different loops",	3781	assert (("libev: a signal must not be attached to two different loops",
3052	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3782	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3053		3783
3054	signals [w->signum - 1].loop = EV_A;	3784	signals [w->signum - 1].loop = EV_A;
		3785	ECB_MEMORY_FENCE_RELEASE;
3055	#endif	3786	#endif
3056		3787
3057	EV_FREQUENT_CHECK;	3788	EV_FREQUENT_CHECK;
3058		3789
3059	#if EV_USE_SIGNALFD	3790	#if EV_USE_SIGNALFD
…		…
3119		3850
3120	EV_FREQUENT_CHECK;	3851	EV_FREQUENT_CHECK;
3121	}	3852	}
3122		3853
3123	void noinline	3854	void noinline
3124	ev_signal_stop (EV_P_ ev_signal *w)	3855	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3125	{	3856	{
3126	clear_pending (EV_A_ (W)w);	3857	clear_pending (EV_A_ (W)w);
3127	if (expect_false (!ev_is_active (w)))	3858	if (expect_false (!ev_is_active (w)))
3128	return;	3859	return;
3129		3860
…		…
3160	#endif	3891	#endif
3161		3892
3162	#if EV_CHILD_ENABLE	3893	#if EV_CHILD_ENABLE
3163		3894
3164	void	3895	void
3165	ev_child_start (EV_P_ ev_child *w)	3896	ev_child_start (EV_P_ ev_child *w) EV_THROW
3166	{	3897	{
3167	#if EV_MULTIPLICITY	3898	#if EV_MULTIPLICITY
3168	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3899	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3169	#endif	3900	#endif
3170	if (expect_false (ev_is_active (w)))	3901	if (expect_false (ev_is_active (w)))
…		…
3177		3908
3178	EV_FREQUENT_CHECK;	3909	EV_FREQUENT_CHECK;
3179	}	3910	}
3180		3911
3181	void	3912	void
3182	ev_child_stop (EV_P_ ev_child *w)	3913	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3183	{	3914	{
3184	clear_pending (EV_A_ (W)w);	3915	clear_pending (EV_A_ (W)w);
3185	if (expect_false (!ev_is_active (w)))	3916	if (expect_false (!ev_is_active (w)))
3186	return;	3917	return;
3187		3918
…		…
3214	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3945	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3215		3946
3216	static void noinline	3947	static void noinline
3217	infy_add (EV_P_ ev_stat *w)	3948	infy_add (EV_P_ ev_stat *w)
3218	{	3949	{
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);	3950	w->wd = inotify_add_watch (fs_fd, w->path,
		3951	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3952	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3953	| IN_DONT_FOLLOW | IN_MASK_ADD);
3220		3954
3221	if (w->wd >= 0)	3955	if (w->wd >= 0)
3222	{	3956	{
3223	struct statfs sfs;	3957	struct statfs sfs;
3224		3958
…		…
3228		3962
3229	if (!fs_2625)	3963	if (!fs_2625)
3230	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3964	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3231	else if (!statfs (w->path, &sfs)	3965	else if (!statfs (w->path, &sfs)
3232	&& (sfs.f_type == 0x1373 /* devfs */	3966	&& (sfs.f_type == 0x1373 /* devfs */
		3967	|| sfs.f_type == 0x4006 /* fat */
		3968	|| sfs.f_type == 0x4d44 /* msdos */
3233	|| sfs.f_type == 0xEF53 /* ext2/3 */	3969	|| sfs.f_type == 0xEF53 /* ext2/3 */
		3970	|| sfs.f_type == 0x72b6 /* jffs2 */
		3971	|| sfs.f_type == 0x858458f6 /* ramfs */
		3972	|| sfs.f_type == 0x5346544e /* ntfs */
3234	|| sfs.f_type == 0x3153464a /* jfs */	3973	|| sfs.f_type == 0x3153464a /* jfs */
		3974	|| sfs.f_type == 0x9123683e /* btrfs */
3235	|| sfs.f_type == 0x52654973 /* reiser3 */	3975	|| sfs.f_type == 0x52654973 /* reiser3 */
3236	|| sfs.f_type == 0x01021994 /* tempfs */	3976	|| sfs.f_type == 0x01021994 /* tmpfs */
3237	|| sfs.f_type == 0x58465342 /* xfs */))	3977	|| sfs.f_type == 0x58465342 /* xfs */))
3238	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3978	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3239	else	3979	else
3240	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	3980	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3241	}	3981	}
…		…
3354	}	4094	}
3355		4095
3356	inline_size int	4096	inline_size int
3357	infy_newfd (void)	4097	infy_newfd (void)
3358	{	4098	{
3359	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4099	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3360	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4100	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3361	if (fd >= 0)	4101	if (fd >= 0)
3362	return fd;	4102	return fd;
3363	#endif	4103	#endif
3364	return inotify_init ();	4104	return inotify_init ();
…		…
3439	#else	4179	#else
3440	# define EV_LSTAT(p,b) lstat (p, b)	4180	# define EV_LSTAT(p,b) lstat (p, b)
3441	#endif	4181	#endif
3442		4182
3443	void	4183	void
3444	ev_stat_stat (EV_P_ ev_stat *w)	4184	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3445	{	4185	{
3446	if (lstat (w->path, &w->attr) < 0)	4186	if (lstat (w->path, &w->attr) < 0)
3447	w->attr.st_nlink = 0;	4187	w->attr.st_nlink = 0;
3448	else if (!w->attr.st_nlink)	4188	else if (!w->attr.st_nlink)
3449	w->attr.st_nlink = 1;	4189	w->attr.st_nlink = 1;
…		…
3488	ev_feed_event (EV_A_ w, EV_STAT);	4228	ev_feed_event (EV_A_ w, EV_STAT);
3489	}	4229	}
3490	}	4230	}
3491		4231
3492	void	4232	void
3493	ev_stat_start (EV_P_ ev_stat *w)	4233	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3494	{	4234	{
3495	if (expect_false (ev_is_active (w)))	4235	if (expect_false (ev_is_active (w)))
3496	return;	4236	return;
3497		4237
3498	ev_stat_stat (EV_A_ w);	4238	ev_stat_stat (EV_A_ w);
…		…
3519		4259
3520	EV_FREQUENT_CHECK;	4260	EV_FREQUENT_CHECK;
3521	}	4261	}
3522		4262
3523	void	4263	void
3524	ev_stat_stop (EV_P_ ev_stat *w)	4264	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3525	{	4265	{
3526	clear_pending (EV_A_ (W)w);	4266	clear_pending (EV_A_ (W)w);
3527	if (expect_false (!ev_is_active (w)))	4267	if (expect_false (!ev_is_active (w)))
3528	return;	4268	return;
3529		4269
…		…
3545	}	4285	}
3546	#endif	4286	#endif
3547		4287
3548	#if EV_IDLE_ENABLE	4288	#if EV_IDLE_ENABLE
3549	void	4289	void
3550	ev_idle_start (EV_P_ ev_idle *w)	4290	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3551	{	4291	{
3552	if (expect_false (ev_is_active (w)))	4292	if (expect_false (ev_is_active (w)))
3553	return;	4293	return;
3554		4294
3555	pri_adjust (EV_A_ (W)w);	4295	pri_adjust (EV_A_ (W)w);
…		…
3568		4308
3569	EV_FREQUENT_CHECK;	4309	EV_FREQUENT_CHECK;
3570	}	4310	}
3571		4311
3572	void	4312	void
3573	ev_idle_stop (EV_P_ ev_idle *w)	4313	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3574	{	4314	{
3575	clear_pending (EV_A_ (W)w);	4315	clear_pending (EV_A_ (W)w);
3576	if (expect_false (!ev_is_active (w)))	4316	if (expect_false (!ev_is_active (w)))
3577	return;	4317	return;
3578		4318
…		…
3592	}	4332	}
3593	#endif	4333	#endif
3594		4334
3595	#if EV_PREPARE_ENABLE	4335	#if EV_PREPARE_ENABLE
3596	void	4336	void
3597	ev_prepare_start (EV_P_ ev_prepare *w)	4337	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3598	{	4338	{
3599	if (expect_false (ev_is_active (w)))	4339	if (expect_false (ev_is_active (w)))
3600	return;	4340	return;
3601		4341
3602	EV_FREQUENT_CHECK;	4342	EV_FREQUENT_CHECK;
…		…
3607		4347
3608	EV_FREQUENT_CHECK;	4348	EV_FREQUENT_CHECK;
3609	}	4349	}
3610		4350
3611	void	4351	void
3612	ev_prepare_stop (EV_P_ ev_prepare *w)	4352	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3613	{	4353	{
3614	clear_pending (EV_A_ (W)w);	4354	clear_pending (EV_A_ (W)w);
3615	if (expect_false (!ev_is_active (w)))	4355	if (expect_false (!ev_is_active (w)))
3616	return;	4356	return;
3617		4357
…		…
3630	}	4370	}
3631	#endif	4371	#endif
3632		4372
3633	#if EV_CHECK_ENABLE	4373	#if EV_CHECK_ENABLE
3634	void	4374	void
3635	ev_check_start (EV_P_ ev_check *w)	4375	ev_check_start (EV_P_ ev_check *w) EV_THROW
3636	{	4376	{
3637	if (expect_false (ev_is_active (w)))	4377	if (expect_false (ev_is_active (w)))
3638	return;	4378	return;
3639		4379
3640	EV_FREQUENT_CHECK;	4380	EV_FREQUENT_CHECK;
…		…
3645		4385
3646	EV_FREQUENT_CHECK;	4386	EV_FREQUENT_CHECK;
3647	}	4387	}
3648		4388
3649	void	4389	void
3650	ev_check_stop (EV_P_ ev_check *w)	4390	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3651	{	4391	{
3652	clear_pending (EV_A_ (W)w);	4392	clear_pending (EV_A_ (W)w);
3653	if (expect_false (!ev_is_active (w)))	4393	if (expect_false (!ev_is_active (w)))
3654	return;	4394	return;
3655		4395
…		…
3668	}	4408	}
3669	#endif	4409	#endif
3670		4410
3671	#if EV_EMBED_ENABLE	4411	#if EV_EMBED_ENABLE
3672	void noinline	4412	void noinline
3673	ev_embed_sweep (EV_P_ ev_embed *w)	4413	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3674	{	4414	{
3675	ev_run (w->other, EVRUN_NOWAIT);	4415	ev_run (w->other, EVRUN_NOWAIT);
3676	}	4416	}
3677		4417
3678	static void	4418	static void
…		…
3726	ev_idle_stop (EV_A_ idle);	4466	ev_idle_stop (EV_A_ idle);
3727	}	4467	}
3728	#endif	4468	#endif
3729		4469
3730	void	4470	void
3731	ev_embed_start (EV_P_ ev_embed *w)	4471	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3732	{	4472	{
3733	if (expect_false (ev_is_active (w)))	4473	if (expect_false (ev_is_active (w)))
3734	return;	4474	return;
3735		4475
3736	{	4476	{
…		…
3757		4497
3758	EV_FREQUENT_CHECK;	4498	EV_FREQUENT_CHECK;
3759	}	4499	}
3760		4500
3761	void	4501	void
3762	ev_embed_stop (EV_P_ ev_embed *w)	4502	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3763	{	4503	{
3764	clear_pending (EV_A_ (W)w);	4504	clear_pending (EV_A_ (W)w);
3765	if (expect_false (!ev_is_active (w)))	4505	if (expect_false (!ev_is_active (w)))
3766	return;	4506	return;
3767		4507
…		…
3777	}	4517	}
3778	#endif	4518	#endif
3779		4519
3780	#if EV_FORK_ENABLE	4520	#if EV_FORK_ENABLE
3781	void	4521	void
3782	ev_fork_start (EV_P_ ev_fork *w)	4522	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3783	{	4523	{
3784	if (expect_false (ev_is_active (w)))	4524	if (expect_false (ev_is_active (w)))
3785	return;	4525	return;
3786		4526
3787	EV_FREQUENT_CHECK;	4527	EV_FREQUENT_CHECK;
…		…
3792		4532
3793	EV_FREQUENT_CHECK;	4533	EV_FREQUENT_CHECK;
3794	}	4534	}
3795		4535
3796	void	4536	void
3797	ev_fork_stop (EV_P_ ev_fork *w)	4537	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3798	{	4538	{
3799	clear_pending (EV_A_ (W)w);	4539	clear_pending (EV_A_ (W)w);
3800	if (expect_false (!ev_is_active (w)))	4540	if (expect_false (!ev_is_active (w)))
3801	return;	4541	return;
3802		4542
…		…
3815	}	4555	}
3816	#endif	4556	#endif
3817		4557
3818	#if EV_CLEANUP_ENABLE	4558	#if EV_CLEANUP_ENABLE
3819	void	4559	void
3820	ev_cleanup_start (EV_P_ ev_cleanup *w)	4560	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3821	{	4561	{
3822	if (expect_false (ev_is_active (w)))	4562	if (expect_false (ev_is_active (w)))
3823	return;	4563	return;
3824		4564
3825	EV_FREQUENT_CHECK;	4565	EV_FREQUENT_CHECK;
…		…
3832	ev_unref (EV_A);	4572	ev_unref (EV_A);
3833	EV_FREQUENT_CHECK;	4573	EV_FREQUENT_CHECK;
3834	}	4574	}
3835		4575
3836	void	4576	void
3837	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4577	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3838	{	4578	{
3839	clear_pending (EV_A_ (W)w);	4579	clear_pending (EV_A_ (W)w);
3840	if (expect_false (!ev_is_active (w)))	4580	if (expect_false (!ev_is_active (w)))
3841	return;	4581	return;
3842		4582
…		…
3856	}	4596	}
3857	#endif	4597	#endif
3858		4598
3859	#if EV_ASYNC_ENABLE	4599	#if EV_ASYNC_ENABLE
3860	void	4600	void
3861	ev_async_start (EV_P_ ev_async *w)	4601	ev_async_start (EV_P_ ev_async *w) EV_THROW
3862	{	4602	{
3863	if (expect_false (ev_is_active (w)))	4603	if (expect_false (ev_is_active (w)))
3864	return;	4604	return;
3865		4605
3866	w->sent = 0;	4606	w->sent = 0;
…		…
3875		4615
3876	EV_FREQUENT_CHECK;	4616	EV_FREQUENT_CHECK;
3877	}	4617	}
3878		4618
3879	void	4619	void
3880	ev_async_stop (EV_P_ ev_async *w)	4620	ev_async_stop (EV_P_ ev_async *w) EV_THROW
3881	{	4621	{
3882	clear_pending (EV_A_ (W)w);	4622	clear_pending (EV_A_ (W)w);
3883	if (expect_false (!ev_is_active (w)))	4623	if (expect_false (!ev_is_active (w)))
3884	return;	4624	return;
3885		4625
…		…
3896		4636
3897	EV_FREQUENT_CHECK;	4637	EV_FREQUENT_CHECK;
3898	}	4638	}
3899		4639
3900	void	4640	void
3901	ev_async_send (EV_P_ ev_async *w)	4641	ev_async_send (EV_P_ ev_async *w) EV_THROW
3902	{	4642	{
3903	w->sent = 1;	4643	w->sent = 1;
3904	evpipe_write (EV_A_ &async_pending);	4644	evpipe_write (EV_A_ &async_pending);
3905	}	4645	}
3906	#endif	4646	#endif
…		…
3943		4683
3944	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4684	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3945	}	4685	}
3946		4686
3947	void	4687	void
3948	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4688	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3949	{	4689	{
3950	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4690	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3951		4691
3952	if (expect_false (!once))	4692	if (expect_false (!once))
3953	{	4693	{
…		…
3975		4715
3976	/*****************************************************************************/	4716	/*****************************************************************************/
3977		4717
3978	#if EV_WALK_ENABLE	4718	#if EV_WALK_ENABLE
3979	void ecb_cold	4719	void ecb_cold
3980	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4720	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3981	{	4721	{
3982	int i, j;	4722	int i, j;
3983	ev_watcher_list *wl, *wn;	4723	ev_watcher_list *wl, *wn;
3984		4724
3985	if (types & (EV_IO | EV_EMBED))	4725	if (types & (EV_IO | EV_EMBED))
…		…
4028	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));	4768	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
4029	#endif	4769	#endif
4030		4770
4031	#if EV_IDLE_ENABLE	4771	#if EV_IDLE_ENABLE
4032	if (types & EV_IDLE)	4772	if (types & EV_IDLE)
4033	for (j = NUMPRI; i--; )	4773	for (j = NUMPRI; j--; )
4034	for (i = idlecnt [j]; i--; )	4774	for (i = idlecnt [j]; i--; )
4035	cb (EV_A_ EV_IDLE, idles [j][i]);	4775	cb (EV_A_ EV_IDLE, idles [j][i]);
4036	#endif	4776	#endif
4037		4777
4038	#if EV_FORK_ENABLE	4778	#if EV_FORK_ENABLE
…		…
4091		4831
4092	#if EV_MULTIPLICITY	4832	#if EV_MULTIPLICITY
4093	#include "ev_wrap.h"	4833	#include "ev_wrap.h"
4094	#endif	4834	#endif
4095		4835
4096	EV_CPP(})
4097

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