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Comparing libev/ev.c (file contents):
Revision 1.388 by root, Fri Jul 29 12:17:26 2011 UTC vs.
Revision 1.467 by root, Fri May 16 15:15:39 2014 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) 2007,2008,2009,2010,2011,2012,2013 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
245		252
246	#ifndef EV_USE_CLOCK_SYSCALL	253	#ifndef EV_USE_CLOCK_SYSCALL
247	# if __linux && __GLIBC__ >= 2	254	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
248	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	255	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
249	# else	256	# else
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 (©) 2009-2014 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	* Alternatively, the contents of this file may be used under the terms of
		513	* the GNU General Public License ("GPL") version 2 or any later version,
		514	* in which case the provisions of the GPL are applicable instead of
		515	* the above. If you wish to allow the use of your version of this file
		516	* only under the terms of the GPL and not to allow others to use your
		517	* version of this file under the BSD license, indicate your decision
		518	* by deleting the provisions above and replace them with the notice
		519	* and other provisions required by the GPL. If you do not delete the
		520	* provisions above, a recipient may use your version of this file under
		521	* either the BSD or the GPL.
		522	*/
		523
		524	#ifndef ECB_H
		525	#define ECB_H
		526
		527	/* 16 bits major, 16 bits minor */
		528	#define ECB_VERSION 0x00010003
		529
		530	#ifdef _WIN32
		531	typedef signed char int8_t;
		532	typedef unsigned char uint8_t;
		533	typedef signed short int16_t;
		534	typedef unsigned short uint16_t;
		535	typedef signed int int32_t;
		536	typedef unsigned int uint32_t;
		537	#if __GNUC__
		538	typedef signed long long int64_t;
		539	typedef unsigned long long uint64_t;
		540	#else /* _MSC_VER || __BORLANDC__ */
		541	typedef signed __int64 int64_t;
		542	typedef unsigned __int64 uint64_t;
		543	#endif
		544	#ifdef _WIN64
		545	#define ECB_PTRSIZE 8
		546	typedef uint64_t uintptr_t;
		547	typedef int64_t intptr_t;
		548	#else
		549	#define ECB_PTRSIZE 4
		550	typedef uint32_t uintptr_t;
		551	typedef int32_t intptr_t;
		552	#endif
		553	#else
		554	#include <inttypes.h>
		555	#if UINTMAX_MAX > 0xffffffffU
		556	#define ECB_PTRSIZE 8
		557	#else
		558	#define ECB_PTRSIZE 4
		559	#endif
		560	#endif
		561
		562	/* work around x32 idiocy by defining proper macros */
		563	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64
		564	#if _ILP32
		565	#define ECB_AMD64_X32 1
		566	#else
		567	#define ECB_AMD64 1
		568	#endif
		569	#endif
471		570
472	/* many compilers define _GNUC_ to some versions but then only implement	571	/* many compilers define _GNUC_ to some versions but then only implement
473	* what their idiot authors think are the "more important" extensions,	572	* what their idiot authors think are the "more important" extensions,
474	* causing enourmous grief in return for some better fake benchmark numbers.	573	* causing enormous grief in return for some better fake benchmark numbers.
475	* or so.	574	* or so.
476	* we try to detect these and simply assume they are not gcc - if they have	575	* 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.	576	* an issue with that they should have done it right in the first place.
478	*/	577	*/
479	#ifndef ECB_GCC_VERSION	578	#ifndef ECB_GCC_VERSION
480	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	579	#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	580	#define ECB_GCC_VERSION(major,minor) 0
482	#else	581	#else
483	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	582	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
484	#endif	583	#endif
485	#endif	584	#endif
		585
		586	#define ECB_CPP (__cplusplus+0)
		587	#define ECB_CPP11 (__cplusplus >= 201103L)
		588
		589	#if ECB_CPP
		590	#define ECB_C 0
		591	#define ECB_STDC_VERSION 0
		592	#else
		593	#define ECB_C 1
		594	#define ECB_STDC_VERSION __STDC_VERSION__
		595	#endif
		596
		597	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		598	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		599
		600	#if ECB_CPP
		601	#define ECB_EXTERN_C extern "C"
		602	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		603	#define ECB_EXTERN_C_END }
		604	#else
		605	#define ECB_EXTERN_C extern
		606	#define ECB_EXTERN_C_BEG
		607	#define ECB_EXTERN_C_END
		608	#endif
		609
		610	/*****************************************************************************/
		611
		612	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
		613	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
		614
		615	#if ECB_NO_THREADS
		616	#define ECB_NO_SMP 1
		617	#endif
		618
		619	#if ECB_NO_SMP
		620	#define ECB_MEMORY_FENCE do { } while (0)
		621	#endif
		622
		623	#ifndef ECB_MEMORY_FENCE
		624	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		625	#if __i386 || __i386__
		626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		629	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
		630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		631	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		632	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		633	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		634	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		635	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		636	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		637	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		638	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		639	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		640	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		641	#elif __aarch64__
		642	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		643	#elif (__sparc || __sparc__) && !__sparcv8
		644	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		645	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		646	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		647	#elif defined __s390__ || defined __s390x__
		648	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		649	#elif defined __mips__
		650	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		651	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		652	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		653	#elif defined __alpha__
		654	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		655	#elif defined __hppa__
		656	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		657	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		658	#elif defined __ia64__
		659	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		660	#elif defined __m68k__
		661	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		662	#elif defined __m88k__
		663	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		664	#elif defined __sh__
		665	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		666	#endif
		667	#endif
		668	#endif
		669
		670	#ifndef ECB_MEMORY_FENCE
		671	#if ECB_GCC_VERSION(4,7)
		672	/* see comment below (stdatomic.h) about the C11 memory model. */
		673	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		674	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		675	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		676
		677	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		678	* without risking compile time errors with other compilers. We *could*
		679	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		680	* around this shit time and again.
		681	* #elif defined __clang && __has_feature (cxx_atomic)
		682	* // see comment below (stdatomic.h) about the C11 memory model.
		683	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		684	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		685	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		686	*/
		687
		688	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
		689	#define ECB_MEMORY_FENCE __sync_synchronize ()
		690	#elif _MSC_VER >= 1500 /* VC++ 2008 */
		691	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		692	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		693	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		694	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		695	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
		696	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		697	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		698	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		699	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		700	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		701	#elif defined _WIN32
		702	#include <WinNT.h>
		703	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		704	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		705	#include <mbarrier.h>
		706	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		707	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		708	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		709	#elif __xlC__
		710	#define ECB_MEMORY_FENCE __sync ()
		711	#endif
		712	#endif
		713
		714	#ifndef ECB_MEMORY_FENCE
		715	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		716	/* we assume that these memory fences work on all variables/all memory accesses, */
		717	/* not just C11 atomics and atomic accesses */
		718	#include <stdatomic.h>
		719	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		720	/* any fence other than seq_cst, which isn't very efficient for us. */
		721	/* Why that is, we don't know - either the C11 memory model is quite useless */
		722	/* for most usages, or gcc and clang have a bug */
		723	/* I *currently* lean towards the latter, and inefficiently implement */
		724	/* all three of ecb's fences as a seq_cst fence */
		725	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		726	/* for all __atomic_thread_fence's except seq_cst */
		727	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		728	#endif
		729	#endif
		730
		731	#ifndef ECB_MEMORY_FENCE
		732	#if !ECB_AVOID_PTHREADS
		733	/*
		734	* if you get undefined symbol references to pthread_mutex_lock,
		735	* or failure to find pthread.h, then you should implement
		736	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		737	* OR provide pthread.h and link against the posix thread library
		738	* of your system.
		739	*/
		740	#include <pthread.h>
		741	#define ECB_NEEDS_PTHREADS 1
		742	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
		743
		744	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		745	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		746	#endif
		747	#endif
		748
		749	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
		750	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		751	#endif
		752
		753	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
		754	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		755	#endif
		756
		757	/*****************************************************************************/
486		758
487	#if __cplusplus	759	#if __cplusplus
488	#define ecb_inline static inline	760	#define ecb_inline static inline
489	#elif ECB_GCC_VERSION(2,5)	761	#elif ECB_GCC_VERSION(2,5)
490	#define ecb_inline static __inline__	762	#define ecb_inline static __inline__
…		…
492	#define ecb_inline static inline	764	#define ecb_inline static inline
493	#else	765	#else
494	#define ecb_inline static	766	#define ecb_inline static
495	#endif	767	#endif
496		768
497	#ifndef ECB_MEMORY_FENCE
498	#if ECB_GCC_VERSION(2,5)	769	#if ECB_GCC_VERSION(3,3)
499	#if __x86	770	#define ecb_restrict __restrict__
500	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	771	#elif ECB_C99
501	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	772	#define ecb_restrict restrict
502	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE /* better be safe than sorry */	773	#else
503	#elif __amd64	774	#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	775	#endif
509	#endif
510		776
511	#ifndef ECB_MEMORY_FENCE	777	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 && 0 /* TODO: only true when using volatiles */
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)
521	#include <WinNT.h>
522	#define ECB_MEMORY_FENCE MemoryBarrier ()
523	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
524	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
525	#endif
526	#endif
527		778
528	#ifndef ECB_MEMORY_FENCE	779	#define ECB_CONCAT_(a, b) a ## b
529	#include <pthread.h>	780	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
		781	#define ECB_STRINGIFY_(a) # a
		782	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
530		783
531	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	784	#define ecb_function_ ecb_inline
532	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
533	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
534	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
535	#endif
536		785
537	#if ECB_GCC_VERSION(3,1)	786	#if ECB_GCC_VERSION(3,1)
538	#define ecb_attribute(attrlist) __attribute__(attrlist)	787	#define ecb_attribute(attrlist) __attribute__(attrlist)
539	#define ecb_is_constant(expr) __builtin_constant_p (expr)	788	#define ecb_is_constant(expr) __builtin_constant_p (expr)
540	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	789	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
541	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	790	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
542	#else	791	#else
543	#define ecb_attribute(attrlist)	792	#define ecb_attribute(attrlist)
		793
		794	/* possible C11 impl for integral types
		795	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		796	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		797
544	#define ecb_is_constant(expr) 0	798	#define ecb_is_constant(expr) 0
545	#define ecb_expect(expr,value) (expr)	799	#define ecb_expect(expr,value) (expr)
546	#define ecb_prefetch(addr,rw,locality)	800	#define ecb_prefetch(addr,rw,locality)
547	#endif	801	#endif
548		802
		803	/* no emulation for ecb_decltype */
		804	#if ECB_GCC_VERSION(4,5)
		805	#define ecb_decltype(x) __decltype(x)
		806	#elif ECB_GCC_VERSION(3,0)
		807	#define ecb_decltype(x) __typeof(x)
		808	#endif
		809
549	#define ecb_noinline ecb_attribute ((__noinline__))	810	#define ecb_noinline ecb_attribute ((__noinline__))
550	#define ecb_noreturn ecb_attribute ((__noreturn__))
551	#define ecb_unused ecb_attribute ((__unused__))	811	#define ecb_unused ecb_attribute ((__unused__))
552	#define ecb_const ecb_attribute ((__const__))	812	#define ecb_const ecb_attribute ((__const__))
553	#define ecb_pure ecb_attribute ((__pure__))	813	#define ecb_pure ecb_attribute ((__pure__))
		814
		815	#if ECB_C11
		816	#define ecb_noreturn _Noreturn
		817	#else
		818	#define ecb_noreturn ecb_attribute ((__noreturn__))
		819	#endif
554		820
555	#if ECB_GCC_VERSION(4,3)	821	#if ECB_GCC_VERSION(4,3)
556	#define ecb_artificial ecb_attribute ((__artificial__))	822	#define ecb_artificial ecb_attribute ((__artificial__))
557	#define ecb_hot ecb_attribute ((__hot__))	823	#define ecb_hot ecb_attribute ((__hot__))
558	#define ecb_cold ecb_attribute ((__cold__))	824	#define ecb_cold ecb_attribute ((__cold__))
…		…
565	/* put around conditional expressions if you are very sure that the */	831	/* put around conditional expressions if you are very sure that the */
566	/* expression is mostly true or mostly false. note that these return */	832	/* expression is mostly true or mostly false. note that these return */
567	/* booleans, not the expression. */	833	/* booleans, not the expression. */
568	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)	834	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
569	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)	835	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
570	/* ecb.h end */	836	/* for compatibility to the rest of the world */
		837	#define ecb_likely(expr) ecb_expect_true (expr)
		838	#define ecb_unlikely(expr) ecb_expect_false (expr)
		839
		840	/* count trailing zero bits and count # of one bits */
		841	#if ECB_GCC_VERSION(3,4)
		842	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
		843	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
		844	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
		845	#define ecb_ctz32(x) __builtin_ctz (x)
		846	#define ecb_ctz64(x) __builtin_ctzll (x)
		847	#define ecb_popcount32(x) __builtin_popcount (x)
		848	/* no popcountll */
		849	#else
		850	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
		851	ecb_function_ int
		852	ecb_ctz32 (uint32_t x)
		853	{
		854	int r = 0;
		855
		856	x &= ~x + 1; /* this isolates the lowest bit */
		857
		858	#if ECB_branchless_on_i386
		859	r += !!(x & 0xaaaaaaaa) << 0;
		860	r += !!(x & 0xcccccccc) << 1;
		861	r += !!(x & 0xf0f0f0f0) << 2;
		862	r += !!(x & 0xff00ff00) << 3;
		863	r += !!(x & 0xffff0000) << 4;
		864	#else
		865	if (x & 0xaaaaaaaa) r += 1;
		866	if (x & 0xcccccccc) r += 2;
		867	if (x & 0xf0f0f0f0) r += 4;
		868	if (x & 0xff00ff00) r += 8;
		869	if (x & 0xffff0000) r += 16;
		870	#endif
		871
		872	return r;
		873	}
		874
		875	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
		876	ecb_function_ int
		877	ecb_ctz64 (uint64_t x)
		878	{
		879	int shift = x & 0xffffffffU ? 0 : 32;
		880	return ecb_ctz32 (x >> shift) + shift;
		881	}
		882
		883	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
		884	ecb_function_ int
		885	ecb_popcount32 (uint32_t x)
		886	{
		887	x -= (x >> 1) & 0x55555555;
		888	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
		889	x = ((x >> 4) + x) & 0x0f0f0f0f;
		890	x *= 0x01010101;
		891
		892	return x >> 24;
		893	}
		894
		895	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
		896	ecb_function_ int ecb_ld32 (uint32_t x)
		897	{
		898	int r = 0;
		899
		900	if (x >> 16) { x >>= 16; r += 16; }
		901	if (x >> 8) { x >>= 8; r += 8; }
		902	if (x >> 4) { x >>= 4; r += 4; }
		903	if (x >> 2) { x >>= 2; r += 2; }
		904	if (x >> 1) { r += 1; }
		905
		906	return r;
		907	}
		908
		909	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
		910	ecb_function_ int ecb_ld64 (uint64_t x)
		911	{
		912	int r = 0;
		913
		914	if (x >> 32) { x >>= 32; r += 32; }
		915
		916	return r + ecb_ld32 (x);
		917	}
		918	#endif
		919
		920	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		921	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		922	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		923	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		924
		925	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		926	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		927	{
		928	return ( (x * 0x0802U & 0x22110U)
		929	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		930	}
		931
		932	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		933	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		934	{
		935	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		936	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		937	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		938	x = ( x >> 8 ) | ( x << 8);
		939
		940	return x;
		941	}
		942
		943	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		944	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		945	{
		946	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		947	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		948	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		949	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		950	x = ( x >> 16 ) | ( x << 16);
		951
		952	return x;
		953	}
		954
		955	/* popcount64 is only available on 64 bit cpus as gcc builtin */
		956	/* so for this version we are lazy */
		957	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
		958	ecb_function_ int
		959	ecb_popcount64 (uint64_t x)
		960	{
		961	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
		962	}
		963
		964	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
		965	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
		966	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
		967	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
		968	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
		969	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
		970	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
		971	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
		972
		973	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
		974	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
		975	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
		976	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
		977	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
		978	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
		979	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
		980	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
		981
		982	#if ECB_GCC_VERSION(4,3)
		983	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		984	#define ecb_bswap32(x) __builtin_bswap32 (x)
		985	#define ecb_bswap64(x) __builtin_bswap64 (x)
		986	#else
		987	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
		988	ecb_function_ uint16_t
		989	ecb_bswap16 (uint16_t x)
		990	{
		991	return ecb_rotl16 (x, 8);
		992	}
		993
		994	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
		995	ecb_function_ uint32_t
		996	ecb_bswap32 (uint32_t x)
		997	{
		998	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
		999	}
		1000
		1001	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
		1002	ecb_function_ uint64_t
		1003	ecb_bswap64 (uint64_t x)
		1004	{
		1005	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
		1006	}
		1007	#endif
		1008
		1009	#if ECB_GCC_VERSION(4,5)
		1010	#define ecb_unreachable() __builtin_unreachable ()
		1011	#else
		1012	/* this seems to work fine, but gcc always emits a warning for it :/ */
		1013	ecb_inline void ecb_unreachable (void) ecb_noreturn;
		1014	ecb_inline void ecb_unreachable (void) { }
		1015	#endif
		1016
		1017	/* try to tell the compiler that some condition is definitely true */
		1018	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
		1019
		1020	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
		1021	ecb_inline unsigned char
		1022	ecb_byteorder_helper (void)
		1023	{
		1024	/* the union code still generates code under pressure in gcc, */
		1025	/* but less than using pointers, and always seems to */
		1026	/* successfully return a constant. */
		1027	/* the reason why we have this horrible preprocessor mess */
		1028	/* is to avoid it in all cases, at least on common architectures */
		1029	/* or when using a recent enough gcc version (>= 4.6) */
		1030	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		1031	return 0x44;
		1032	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		1033	return 0x44;
		1034	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1035	return 0x11;
		1036	#else
		1037	union
		1038	{
		1039	uint32_t i;
		1040	uint8_t c;
		1041	} u = { 0x11223344 };
		1042	return u.c;
		1043	#endif
		1044	}
		1045
		1046	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
		1047	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
		1048	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
		1049	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
		1050
		1051	#if ECB_GCC_VERSION(3,0) || ECB_C99
		1052	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
		1053	#else
		1054	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1055	#endif
		1056
		1057	#if __cplusplus
		1058	template<typename T>
		1059	static inline T ecb_div_rd (T val, T div)
		1060	{
		1061	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1062	}
		1063	template<typename T>
		1064	static inline T ecb_div_ru (T val, T div)
		1065	{
		1066	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1067	}
		1068	#else
		1069	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1070	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
		1071	#endif
		1072
		1073	#if ecb_cplusplus_does_not_suck
		1074	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
		1075	template<typename T, int N>
		1076	static inline int ecb_array_length (const T (&arr)[N])
		1077	{
		1078	return N;
		1079	}
		1080	#else
		1081	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
		1082	#endif
		1083
		1084	/*******************************************************************************/
		1085	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1086
		1087	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1088	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1089	#if 0 \
		1090	|| __i386 || __i386__ \
		1091	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1092	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1093	|| defined __s390__ || defined __s390x__ \
		1094	|| defined __mips__ \
		1095	|| defined __alpha__ \
		1096	|| defined __hppa__ \
		1097	|| defined __ia64__ \
		1098	|| defined __m68k__ \
		1099	|| defined __m88k__ \
		1100	|| defined __sh__ \
		1101	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \
		1102	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1103	|| defined __aarch64__
		1104	#define ECB_STDFP 1
		1105	#include <string.h> /* for memcpy */
		1106	#else
		1107	#define ECB_STDFP 0
		1108	#endif
		1109
		1110	#ifndef ECB_NO_LIBM
		1111
		1112	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1113
		1114	/* only the oldest of old doesn't have this one. solaris. */
		1115	#ifdef INFINITY
		1116	#define ECB_INFINITY INFINITY
		1117	#else
		1118	#define ECB_INFINITY HUGE_VAL
		1119	#endif
		1120
		1121	#ifdef NAN
		1122	#define ECB_NAN NAN
		1123	#else
		1124	#define ECB_NAN ECB_INFINITY
		1125	#endif
		1126
		1127	/* converts an ieee half/binary16 to a float */
		1128	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
		1129	ecb_function_ float
		1130	ecb_binary16_to_float (uint16_t x)
		1131	{
		1132	int e = (x >> 10) & 0x1f;
		1133	int m = x & 0x3ff;
		1134	float r;
		1135
		1136	if (!e ) r = ldexpf (m , -24);
		1137	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
		1138	else if (m ) r = ECB_NAN;
		1139	else r = ECB_INFINITY;
		1140
		1141	return x & 0x8000 ? -r : r;
		1142	}
		1143
		1144	/* convert a float to ieee single/binary32 */
		1145	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1146	ecb_function_ uint32_t
		1147	ecb_float_to_binary32 (float x)
		1148	{
		1149	uint32_t r;
		1150
		1151	#if ECB_STDFP
		1152	memcpy (&r, &x, 4);
		1153	#else
		1154	/* slow emulation, works for anything but -0 */
		1155	uint32_t m;
		1156	int e;
		1157
		1158	if (x == 0e0f ) return 0x00000000U;
		1159	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1160	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1161	if (x != x ) return 0x7fbfffffU;
		1162
		1163	m = frexpf (x, &e) * 0x1000000U;
		1164
		1165	r = m & 0x80000000U;
		1166
		1167	if (r)
		1168	m = -m;
		1169
		1170	if (e <= -126)
		1171	{
		1172	m &= 0xffffffU;
		1173	m >>= (-125 - e);
		1174	e = -126;
		1175	}
		1176
		1177	r |= (e + 126) << 23;
		1178	r |= m & 0x7fffffU;
		1179	#endif
		1180
		1181	return r;
		1182	}
		1183
		1184	/* converts an ieee single/binary32 to a float */
		1185	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1186	ecb_function_ float
		1187	ecb_binary32_to_float (uint32_t x)
		1188	{
		1189	float r;
		1190
		1191	#if ECB_STDFP
		1192	memcpy (&r, &x, 4);
		1193	#else
		1194	/* emulation, only works for normals and subnormals and +0 */
		1195	int neg = x >> 31;
		1196	int e = (x >> 23) & 0xffU;
		1197
		1198	x &= 0x7fffffU;
		1199
		1200	if (e)
		1201	x |= 0x800000U;
		1202	else
		1203	e = 1;
		1204
		1205	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1206	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1207
		1208	r = neg ? -r : r;
		1209	#endif
		1210
		1211	return r;
		1212	}
		1213
		1214	/* convert a double to ieee double/binary64 */
		1215	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1216	ecb_function_ uint64_t
		1217	ecb_double_to_binary64 (double x)
		1218	{
		1219	uint64_t r;
		1220
		1221	#if ECB_STDFP
		1222	memcpy (&r, &x, 8);
		1223	#else
		1224	/* slow emulation, works for anything but -0 */
		1225	uint64_t m;
		1226	int e;
		1227
		1228	if (x == 0e0 ) return 0x0000000000000000U;
		1229	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1230	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1231	if (x != x ) return 0X7ff7ffffffffffffU;
		1232
		1233	m = frexp (x, &e) * 0x20000000000000U;
		1234
		1235	r = m & 0x8000000000000000;;
		1236
		1237	if (r)
		1238	m = -m;
		1239
		1240	if (e <= -1022)
		1241	{
		1242	m &= 0x1fffffffffffffU;
		1243	m >>= (-1021 - e);
		1244	e = -1022;
		1245	}
		1246
		1247	r |= ((uint64_t)(e + 1022)) << 52;
		1248	r |= m & 0xfffffffffffffU;
		1249	#endif
		1250
		1251	return r;
		1252	}
		1253
		1254	/* converts an ieee double/binary64 to a double */
		1255	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1256	ecb_function_ double
		1257	ecb_binary64_to_double (uint64_t x)
		1258	{
		1259	double r;
		1260
		1261	#if ECB_STDFP
		1262	memcpy (&r, &x, 8);
		1263	#else
		1264	/* emulation, only works for normals and subnormals and +0 */
		1265	int neg = x >> 63;
		1266	int e = (x >> 52) & 0x7ffU;
		1267
		1268	x &= 0xfffffffffffffU;
		1269
		1270	if (e)
		1271	x |= 0x10000000000000U;
		1272	else
		1273	e = 1;
		1274
		1275	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1276	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1277
		1278	r = neg ? -r : r;
		1279	#endif
		1280
		1281	return r;
		1282	}
		1283
		1284	#endif
		1285
		1286	#endif
		1287
		1288	/* ECB.H END */
		1289
		1290	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1291	/* if your architecture doesn't need memory fences, e.g. because it is
		1292	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1293	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1294	* libev, in which cases the memory fences become nops.
		1295	* alternatively, you can remove this #error and link against libpthread,
		1296	* which will then provide the memory fences.
		1297	*/
		1298	# error "memory fences not defined for your architecture, please report"
		1299	#endif
		1300
		1301	#ifndef ECB_MEMORY_FENCE
		1302	# define ECB_MEMORY_FENCE do { } while (0)
		1303	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1304	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		1305	#endif
571		1306
572	#define expect_false(cond) ecb_expect_false (cond)	1307	#define expect_false(cond) ecb_expect_false (cond)
573	#define expect_true(cond) ecb_expect_true (cond)	1308	#define expect_true(cond) ecb_expect_true (cond)
574	#define noinline ecb_noinline	1309	#define noinline ecb_noinline
575		1310
…		…
721	{	1456	{
722	write (STDERR_FILENO, msg, strlen (msg));	1457	write (STDERR_FILENO, msg, strlen (msg));
723	}	1458	}
724	#endif	1459	#endif
725		1460
726	static void (*syserr_cb)(const char *msg);	1461	static void (*syserr_cb)(const char *msg) EV_THROW;
727		1462
728	void ecb_cold	1463	void ecb_cold
729	ev_set_syserr_cb (void (*cb)(const char *msg))	1464	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
730	{	1465	{
731	syserr_cb = cb;	1466	syserr_cb = cb;
732	}	1467	}
733		1468
734	static void noinline ecb_cold	1469	static void noinline ecb_cold
…		…
752	abort ();	1487	abort ();
753	}	1488	}
754	}	1489	}
755		1490
756	static void *	1491	static void *
757	ev_realloc_emul (void *ptr, long size)	1492	ev_realloc_emul (void *ptr, long size) EV_THROW
758	{	1493	{
759	#if __GLIBC__
760	return realloc (ptr, size);
761	#else
762	/* some systems, notably openbsd and darwin, fail to properly	1494	/* some systems, notably openbsd and darwin, fail to properly
763	* implement realloc (x, 0) (as required by both ansi c-89 and	1495	* implement realloc (x, 0) (as required by both ansi c-89 and
764	* the single unix specification, so work around them here.	1496	* the single unix specification, so work around them here.
		1497	* recently, also (at least) fedora and debian started breaking it,
		1498	* despite documenting it otherwise.
765	*/	1499	*/
766		1500
767	if (size)	1501	if (size)
768	return realloc (ptr, size);	1502	return realloc (ptr, size);
769		1503
770	free (ptr);	1504	free (ptr);
771	return 0;	1505	return 0;
772	#endif
773	}	1506	}
774		1507
775	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1508	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
776		1509
777	void ecb_cold	1510	void ecb_cold
778	ev_set_allocator (void *(*cb)(void *ptr, long size))	1511	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
779	{	1512	{
780	alloc = cb;	1513	alloc = cb;
781	}	1514	}
782		1515
783	inline_speed void *	1516	inline_speed void *
…		…
871	#undef VAR	1604	#undef VAR
872	};	1605	};
873	#include "ev_wrap.h"	1606	#include "ev_wrap.h"
874		1607
875	static struct ev_loop default_loop_struct;	1608	static struct ev_loop default_loop_struct;
876	struct ev_loop *ev_default_loop_ptr;	1609	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
877		1610
878	#else	1611	#else
879		1612
880	ev_tstamp ev_rt_now;	1613	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
881	#define VAR(name,decl) static decl;	1614	#define VAR(name,decl) static decl;
882	#include "ev_vars.h"	1615	#include "ev_vars.h"
883	#undef VAR	1616	#undef VAR
884		1617
885	static int ev_default_loop_ptr;	1618	static int ev_default_loop_ptr;
…		…
900		1633
901	/*****************************************************************************/	1634	/*****************************************************************************/
902		1635
903	#ifndef EV_HAVE_EV_TIME	1636	#ifndef EV_HAVE_EV_TIME
904	ev_tstamp	1637	ev_tstamp
905	ev_time (void)	1638	ev_time (void) EV_THROW
906	{	1639	{
907	#if EV_USE_REALTIME	1640	#if EV_USE_REALTIME
908	if (expect_true (have_realtime))	1641	if (expect_true (have_realtime))
909	{	1642	{
910	struct timespec ts;	1643	struct timespec ts;
…		…
934	return ev_time ();	1667	return ev_time ();
935	}	1668	}
936		1669
937	#if EV_MULTIPLICITY	1670	#if EV_MULTIPLICITY
938	ev_tstamp	1671	ev_tstamp
939	ev_now (EV_P)	1672	ev_now (EV_P) EV_THROW
940	{	1673	{
941	return ev_rt_now;	1674	return ev_rt_now;
942	}	1675	}
943	#endif	1676	#endif
944		1677
945	void	1678	void
946	ev_sleep (ev_tstamp delay)	1679	ev_sleep (ev_tstamp delay) EV_THROW
947	{	1680	{
948	if (delay > 0.)	1681	if (delay > 0.)
949	{	1682	{
950	#if EV_USE_NANOSLEEP	1683	#if EV_USE_NANOSLEEP
951	struct timespec ts;	1684	struct timespec ts;
952		1685
953	EV_TS_SET (ts, delay);	1686	EV_TS_SET (ts, delay);
954	nanosleep (&ts, 0);	1687	nanosleep (&ts, 0);
955	#elif defined(_WIN32)	1688	#elif defined _WIN32
956	Sleep ((unsigned long)(delay * 1e3));	1689	Sleep ((unsigned long)(delay * 1e3));
957	#else	1690	#else
958	struct timeval tv;	1691	struct timeval tv;
959		1692
960	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1693	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
979		1712
980	do	1713	do
981	ncur <<= 1;	1714	ncur <<= 1;
982	while (cnt > ncur);	1715	while (cnt > ncur);
983		1716
984	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1717	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
985	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1718	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
986	{	1719	{
987	ncur *= elem;	1720	ncur *= elem;
988	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1721	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
989	ncur = ncur - sizeof (void *) * 4;	1722	ncur = ncur - sizeof (void *) * 4;
…		…
1032	pendingcb (EV_P_ ev_prepare *w, int revents)	1765	pendingcb (EV_P_ ev_prepare *w, int revents)
1033	{	1766	{
1034	}	1767	}
1035		1768
1036	void noinline	1769	void noinline
1037	ev_feed_event (EV_P_ void *w, int revents)	1770	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1038	{	1771	{
1039	W w_ = (W)w;	1772	W w_ = (W)w;
1040	int pri = ABSPRI (w_);	1773	int pri = ABSPRI (w_);
1041		1774
1042	if (expect_false (w_->pending))	1775	if (expect_false (w_->pending))
…		…
1046	w_->pending = ++pendingcnt [pri];	1779	w_->pending = ++pendingcnt [pri];
1047	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1780	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1048	pendings [pri][w_->pending - 1].w = w_;	1781	pendings [pri][w_->pending - 1].w = w_;
1049	pendings [pri][w_->pending - 1].events = revents;	1782	pendings [pri][w_->pending - 1].events = revents;
1050	}	1783	}
		1784
		1785	pendingpri = NUMPRI - 1;
1051	}	1786	}
1052		1787
1053	inline_speed void	1788	inline_speed void
1054	feed_reverse (EV_P_ W w)	1789	feed_reverse (EV_P_ W w)
1055	{	1790	{
…		…
1101	if (expect_true (!anfd->reify))	1836	if (expect_true (!anfd->reify))
1102	fd_event_nocheck (EV_A_ fd, revents);	1837	fd_event_nocheck (EV_A_ fd, revents);
1103	}	1838	}
1104		1839
1105	void	1840	void
1106	ev_feed_fd_event (EV_P_ int fd, int revents)	1841	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1107	{	1842	{
1108	if (fd >= 0 && fd < anfdmax)	1843	if (fd >= 0 && fd < anfdmax)
1109	fd_event_nocheck (EV_A_ fd, revents);	1844	fd_event_nocheck (EV_A_ fd, revents);
1110	}	1845	}
1111		1846
…		…
1430	static void noinline ecb_cold	2165	static void noinline ecb_cold
1431	evpipe_init (EV_P)	2166	evpipe_init (EV_P)
1432	{	2167	{
1433	if (!ev_is_active (&pipe_w))	2168	if (!ev_is_active (&pipe_w))
1434	{	2169	{
		2170	int fds [2];
		2171
1435	# if EV_USE_EVENTFD	2172	# if EV_USE_EVENTFD
		2173	fds [0] = -1;
1436	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2174	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1437	if (evfd < 0 && errno == EINVAL)	2175	if (fds [1] < 0 && errno == EINVAL)
1438	evfd = eventfd (0, 0);	2176	fds [1] = eventfd (0, 0);
1439		2177
1440	if (evfd >= 0)	2178	if (fds [1] < 0)
		2179	# endif
1441	{	2180	{
		2181	while (pipe (fds))
		2182	ev_syserr ("(libev) error creating signal/async pipe");
		2183
		2184	fd_intern (fds [0]);
		2185	}
		2186
1442	evpipe [0] = -1;	2187	evpipe [0] = fds [0];
1443	fd_intern (evfd); /* doing it twice doesn't hurt */	2188
1444	ev_io_set (&pipe_w, evfd, EV_READ);	2189	if (evpipe [1] < 0)
		2190	evpipe [1] = fds [1]; /* first call, set write fd */
		2191	else
		2192	{
		2193	/* on subsequent calls, do not change evpipe [1] */
		2194	/* so that evpipe_write can always rely on its value. */
		2195	/* this branch does not do anything sensible on windows, */
		2196	/* so must not be executed on windows */
		2197
		2198	dup2 (fds [1], evpipe [1]);
		2199	close (fds [1]);
		2200	}
		2201
		2202	fd_intern (evpipe [1]);
		2203
		2204	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2205	ev_io_start (EV_A_ &pipe_w);
		2206	ev_unref (EV_A); /* watcher should not keep loop alive */
		2207	}
		2208	}
		2209
		2210	inline_speed void
		2211	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2212	{
		2213	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2214
		2215	if (expect_true (*flag))
		2216	return;
		2217
		2218	*flag = 1;
		2219	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2220
		2221	pipe_write_skipped = 1;
		2222
		2223	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2224
		2225	if (pipe_write_wanted)
		2226	{
		2227	int old_errno;
		2228
		2229	pipe_write_skipped = 0;
		2230	ECB_MEMORY_FENCE_RELEASE;
		2231
		2232	old_errno = errno; /* save errno because write will clobber it */
		2233
		2234	#if EV_USE_EVENTFD
		2235	if (evpipe [0] < 0)
		2236	{
		2237	uint64_t counter = 1;
		2238	write (evpipe [1], &counter, sizeof (uint64_t));
1445	}	2239	}
1446	else	2240	else
1447	# endif	2241	#endif
1448	{	2242	{
1449	while (pipe (evpipe))	2243	#ifdef _WIN32
1450	ev_syserr ("(libev) error creating signal/async pipe");	2244	WSABUF buf;
1451		2245	DWORD sent;
1452	fd_intern (evpipe [0]);	2246	buf.buf = &buf;
1453	fd_intern (evpipe [1]);	2247	buf.len = 1;
1454	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2248	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1455	}	2249	#else
1456
1457	ev_io_start (EV_A_ &pipe_w);
1458	ev_unref (EV_A); /* watcher should not keep loop alive */
1459	}
1460	}
1461
1462	inline_speed void
1463	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1464	{
1465	if (expect_true (*flag))
1466	return;
1467
1468	*flag = 1;
1469
1470	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1471
1472	pipe_write_skipped = 1;
1473
1474	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1475
1476	if (pipe_write_wanted)
1477	{
1478	int old_errno;
1479
1480	pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
1481
1482	old_errno = errno; /* save errno because write will clobber it */
1483
1484	#if EV_USE_EVENTFD
1485	if (evfd >= 0)
1486	{
1487	uint64_t counter = 1;
1488	write (evfd, &counter, sizeof (uint64_t));
1489	}
1490	else
1491	#endif
1492	{
1493	/* win32 people keep sending patches that change this write() to send() */
1494	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1495	/* so when you think this write should be a send instead, please find out */
1496	/* where your send() is from - it's definitely not the microsoft send, and */
1497	/* tell me. thank you. */
1498	write (evpipe [1], &(evpipe [1]), 1);	2250	write (evpipe [1], &(evpipe [1]), 1);
		2251	#endif
1499	}	2252	}
1500		2253
1501	errno = old_errno;	2254	errno = old_errno;
1502	}	2255	}
1503	}	2256	}
…		…
1510	int i;	2263	int i;
1511		2264
1512	if (revents & EV_READ)	2265	if (revents & EV_READ)
1513	{	2266	{
1514	#if EV_USE_EVENTFD	2267	#if EV_USE_EVENTFD
1515	if (evfd >= 0)	2268	if (evpipe [0] < 0)
1516	{	2269	{
1517	uint64_t counter;	2270	uint64_t counter;
1518	read (evfd, &counter, sizeof (uint64_t));	2271	read (evpipe [1], &counter, sizeof (uint64_t));
1519	}	2272	}
1520	else	2273	else
1521	#endif	2274	#endif
1522	{	2275	{
1523	char dummy;	2276	char dummy[4];
1524	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2277	#ifdef _WIN32
		2278	WSABUF buf;
		2279	DWORD recvd;
		2280	DWORD flags = 0;
		2281	buf.buf = dummy;
		2282	buf.len = sizeof (dummy);
		2283	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2284	#else
1525	read (evpipe [0], &dummy, 1);	2285	read (evpipe [0], &dummy, sizeof (dummy));
		2286	#endif
1526	}	2287	}
1527	}	2288	}
1528		2289
1529	pipe_write_skipped = 0;	2290	pipe_write_skipped = 0;
		2291
		2292	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1530		2293
1531	#if EV_SIGNAL_ENABLE	2294	#if EV_SIGNAL_ENABLE
1532	if (sig_pending)	2295	if (sig_pending)
1533	{	2296	{
1534	sig_pending = 0;	2297	sig_pending = 0;
		2298
		2299	ECB_MEMORY_FENCE;
1535		2300
1536	for (i = EV_NSIG - 1; i--; )	2301	for (i = EV_NSIG - 1; i--; )
1537	if (expect_false (signals [i].pending))	2302	if (expect_false (signals [i].pending))
1538	ev_feed_signal_event (EV_A_ i + 1);	2303	ev_feed_signal_event (EV_A_ i + 1);
1539	}	2304	}
…		…
1541		2306
1542	#if EV_ASYNC_ENABLE	2307	#if EV_ASYNC_ENABLE
1543	if (async_pending)	2308	if (async_pending)
1544	{	2309	{
1545	async_pending = 0;	2310	async_pending = 0;
		2311
		2312	ECB_MEMORY_FENCE;
1546		2313
1547	for (i = asynccnt; i--; )	2314	for (i = asynccnt; i--; )
1548	if (asyncs [i]->sent)	2315	if (asyncs [i]->sent)
1549	{	2316	{
1550	asyncs [i]->sent = 0;	2317	asyncs [i]->sent = 0;
		2318	ECB_MEMORY_FENCE_RELEASE;
1551	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2319	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1552	}	2320	}
1553	}	2321	}
1554	#endif	2322	#endif
1555	}	2323	}
1556		2324
1557	/*****************************************************************************/	2325	/*****************************************************************************/
1558		2326
1559	void	2327	void
1560	ev_feed_signal (int signum)	2328	ev_feed_signal (int signum) EV_THROW
1561	{	2329	{
1562	#if EV_MULTIPLICITY	2330	#if EV_MULTIPLICITY
		2331	EV_P;
		2332	ECB_MEMORY_FENCE_ACQUIRE;
1563	EV_P = signals [signum - 1].loop;	2333	EV_A = signals [signum - 1].loop;
1564		2334
1565	if (!EV_A)	2335	if (!EV_A)
1566	return;	2336	return;
1567	#endif	2337	#endif
1568		2338
1569	if (!ev_active (&pipe_w))
1570	return;
1571
1572	signals [signum - 1].pending = 1;	2339	signals [signum - 1].pending = 1;
1573	evpipe_write (EV_A_ &sig_pending);	2340	evpipe_write (EV_A_ &sig_pending);
1574	}	2341	}
1575		2342
1576	static void	2343	static void
…		…
1582		2349
1583	ev_feed_signal (signum);	2350	ev_feed_signal (signum);
1584	}	2351	}
1585		2352
1586	void noinline	2353	void noinline
1587	ev_feed_signal_event (EV_P_ int signum)	2354	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1588	{	2355	{
1589	WL w;	2356	WL w;
1590		2357
1591	if (expect_false (signum <= 0 || signum > EV_NSIG))	2358	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1592	return;	2359	return;
1593		2360
1594	--signum;	2361	--signum;
1595		2362
1596	#if EV_MULTIPLICITY	2363	#if EV_MULTIPLICITY
…		…
1600	if (expect_false (signals [signum].loop != EV_A))	2367	if (expect_false (signals [signum].loop != EV_A))
1601	return;	2368	return;
1602	#endif	2369	#endif
1603		2370
1604	signals [signum].pending = 0;	2371	signals [signum].pending = 0;
		2372	ECB_MEMORY_FENCE_RELEASE;
1605		2373
1606	for (w = signals [signum].head; w; w = w->next)	2374	for (w = signals [signum].head; w; w = w->next)
1607	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2375	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1608	}	2376	}
1609		2377
…		…
1708	#if EV_USE_SELECT	2476	#if EV_USE_SELECT
1709	# include "ev_select.c"	2477	# include "ev_select.c"
1710	#endif	2478	#endif
1711		2479
1712	int ecb_cold	2480	int ecb_cold
1713	ev_version_major (void)	2481	ev_version_major (void) EV_THROW
1714	{	2482	{
1715	return EV_VERSION_MAJOR;	2483	return EV_VERSION_MAJOR;
1716	}	2484	}
1717		2485
1718	int ecb_cold	2486	int ecb_cold
1719	ev_version_minor (void)	2487	ev_version_minor (void) EV_THROW
1720	{	2488	{
1721	return EV_VERSION_MINOR;	2489	return EV_VERSION_MINOR;
1722	}	2490	}
1723		2491
1724	/* return true if we are running with elevated privileges and should ignore env variables */	2492	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
1732	|| getgid () != getegid ();	2500	|| getgid () != getegid ();
1733	#endif	2501	#endif
1734	}	2502	}
1735		2503
1736	unsigned int ecb_cold	2504	unsigned int ecb_cold
1737	ev_supported_backends (void)	2505	ev_supported_backends (void) EV_THROW
1738	{	2506	{
1739	unsigned int flags = 0;	2507	unsigned int flags = 0;
1740		2508
1741	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2509	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1742	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2510	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
1746		2514
1747	return flags;	2515	return flags;
1748	}	2516	}
1749		2517
1750	unsigned int ecb_cold	2518	unsigned int ecb_cold
1751	ev_recommended_backends (void)	2519	ev_recommended_backends (void) EV_THROW
1752	{	2520	{
1753	unsigned int flags = ev_supported_backends ();	2521	unsigned int flags = ev_supported_backends ();
1754		2522
1755	#ifndef __NetBSD__	2523	#ifndef __NetBSD__
1756	/* kqueue is borked on everything but netbsd apparently */	2524	/* kqueue is borked on everything but netbsd apparently */
…		…
1768		2536
1769	return flags;	2537	return flags;
1770	}	2538	}
1771		2539
1772	unsigned int ecb_cold	2540	unsigned int ecb_cold
1773	ev_embeddable_backends (void)	2541	ev_embeddable_backends (void) EV_THROW
1774	{	2542	{
1775	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2543	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1776		2544
1777	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2545	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1778	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2546	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
1780		2548
1781	return flags;	2549	return flags;
1782	}	2550	}
1783		2551
1784	unsigned int	2552	unsigned int
1785	ev_backend (EV_P)	2553	ev_backend (EV_P) EV_THROW
1786	{	2554	{
1787	return backend;	2555	return backend;
1788	}	2556	}
1789		2557
1790	#if EV_FEATURE_API	2558	#if EV_FEATURE_API
1791	unsigned int	2559	unsigned int
1792	ev_iteration (EV_P)	2560	ev_iteration (EV_P) EV_THROW
1793	{	2561	{
1794	return loop_count;	2562	return loop_count;
1795	}	2563	}
1796		2564
1797	unsigned int	2565	unsigned int
1798	ev_depth (EV_P)	2566	ev_depth (EV_P) EV_THROW
1799	{	2567	{
1800	return loop_depth;	2568	return loop_depth;
1801	}	2569	}
1802		2570
1803	void	2571	void
1804	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2572	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1805	{	2573	{
1806	io_blocktime = interval;	2574	io_blocktime = interval;
1807	}	2575	}
1808		2576
1809	void	2577	void
1810	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2578	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1811	{	2579	{
1812	timeout_blocktime = interval;	2580	timeout_blocktime = interval;
1813	}	2581	}
1814		2582
1815	void	2583	void
1816	ev_set_userdata (EV_P_ void *data)	2584	ev_set_userdata (EV_P_ void *data) EV_THROW
1817	{	2585	{
1818	userdata = data;	2586	userdata = data;
1819	}	2587	}
1820		2588
1821	void *	2589	void *
1822	ev_userdata (EV_P)	2590	ev_userdata (EV_P) EV_THROW
1823	{	2591	{
1824	return userdata;	2592	return userdata;
1825	}	2593	}
1826		2594
1827	void	2595	void
1828	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2596	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
1829	{	2597	{
1830	invoke_cb = invoke_pending_cb;	2598	invoke_cb = invoke_pending_cb;
1831	}	2599	}
1832		2600
1833	void	2601	void
1834	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2602	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW
1835	{	2603	{
1836	release_cb = release;	2604	release_cb = release;
1837	acquire_cb = acquire;	2605	acquire_cb = acquire;
1838	}	2606	}
1839	#endif	2607	#endif
1840		2608
1841	/* initialise a loop structure, must be zero-initialised */	2609	/* initialise a loop structure, must be zero-initialised */
1842	static void noinline ecb_cold	2610	static void noinline ecb_cold
1843	loop_init (EV_P_ unsigned int flags)	2611	loop_init (EV_P_ unsigned int flags) EV_THROW
1844	{	2612	{
1845	if (!backend)	2613	if (!backend)
1846	{	2614	{
1847	origflags = flags;	2615	origflags = flags;
1848		2616
…		…
1893	#if EV_ASYNC_ENABLE	2661	#if EV_ASYNC_ENABLE
1894	async_pending = 0;	2662	async_pending = 0;
1895	#endif	2663	#endif
1896	pipe_write_skipped = 0;	2664	pipe_write_skipped = 0;
1897	pipe_write_wanted = 0;	2665	pipe_write_wanted = 0;
		2666	evpipe [0] = -1;
		2667	evpipe [1] = -1;
1898	#if EV_USE_INOTIFY	2668	#if EV_USE_INOTIFY
1899	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2669	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1900	#endif	2670	#endif
1901	#if EV_USE_SIGNALFD	2671	#if EV_USE_SIGNALFD
1902	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2672	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
1953	EV_INVOKE_PENDING;	2723	EV_INVOKE_PENDING;
1954	}	2724	}
1955	#endif	2725	#endif
1956		2726
1957	#if EV_CHILD_ENABLE	2727	#if EV_CHILD_ENABLE
1958	if (ev_is_active (&childev))	2728	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1959	{	2729	{
1960	ev_ref (EV_A); /* child watcher */	2730	ev_ref (EV_A); /* child watcher */
1961	ev_signal_stop (EV_A_ &childev);	2731	ev_signal_stop (EV_A_ &childev);
1962	}	2732	}
1963	#endif	2733	#endif
…		…
1965	if (ev_is_active (&pipe_w))	2735	if (ev_is_active (&pipe_w))
1966	{	2736	{
1967	/*ev_ref (EV_A);*/	2737	/*ev_ref (EV_A);*/
1968	/*ev_io_stop (EV_A_ &pipe_w);*/	2738	/*ev_io_stop (EV_A_ &pipe_w);*/
1969		2739
1970	#if EV_USE_EVENTFD
1971	if (evfd >= 0)
1972	close (evfd);
1973	#endif
1974
1975	if (evpipe [0] >= 0)
1976	{
1977	EV_WIN32_CLOSE_FD (evpipe [0]);	2740	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1978	EV_WIN32_CLOSE_FD (evpipe [1]);	2741	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1979	}
1980	}	2742	}
1981		2743
1982	#if EV_USE_SIGNALFD	2744	#if EV_USE_SIGNALFD
1983	if (ev_is_active (&sigfd_w))	2745	if (ev_is_active (&sigfd_w))
1984	close (sigfd);	2746	close (sigfd);
…		…
2070	#endif	2832	#endif
2071	#if EV_USE_INOTIFY	2833	#if EV_USE_INOTIFY
2072	infy_fork (EV_A);	2834	infy_fork (EV_A);
2073	#endif	2835	#endif
2074		2836
		2837	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2075	if (ev_is_active (&pipe_w))	2838	if (ev_is_active (&pipe_w))
2076	{	2839	{
2077	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2840	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2078		2841
2079	ev_ref (EV_A);	2842	ev_ref (EV_A);
2080	ev_io_stop (EV_A_ &pipe_w);	2843	ev_io_stop (EV_A_ &pipe_w);
2081		2844
2082	#if EV_USE_EVENTFD
2083	if (evfd >= 0)
2084	close (evfd);
2085	#endif
2086
2087	if (evpipe [0] >= 0)	2845	if (evpipe [0] >= 0)
2088	{
2089	EV_WIN32_CLOSE_FD (evpipe [0]);	2846	EV_WIN32_CLOSE_FD (evpipe [0]);
2090	EV_WIN32_CLOSE_FD (evpipe [1]);
2091	}
2092		2847
2093	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2094	evpipe_init (EV_A);	2848	evpipe_init (EV_A);
2095	/* now iterate over everything, in case we missed something */	2849	/* iterate over everything, in case we missed something before */
2096	pipecb (EV_A_ &pipe_w, EV_READ);	2850	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2097	#endif
2098	}	2851	}
		2852	#endif
2099		2853
2100	postfork = 0;	2854	postfork = 0;
2101	}	2855	}
2102		2856
2103	#if EV_MULTIPLICITY	2857	#if EV_MULTIPLICITY
2104		2858
2105	struct ev_loop * ecb_cold	2859	struct ev_loop * ecb_cold
2106	ev_loop_new (unsigned int flags)	2860	ev_loop_new (unsigned int flags) EV_THROW
2107	{	2861	{
2108	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2862	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2109		2863
2110	memset (EV_A, 0, sizeof (struct ev_loop));	2864	memset (EV_A, 0, sizeof (struct ev_loop));
2111	loop_init (EV_A_ flags);	2865	loop_init (EV_A_ flags);
…		…
2155	}	2909	}
2156	#endif	2910	#endif
2157		2911
2158	#if EV_FEATURE_API	2912	#if EV_FEATURE_API
2159	void ecb_cold	2913	void ecb_cold
2160	ev_verify (EV_P)	2914	ev_verify (EV_P) EV_THROW
2161	{	2915	{
2162	#if EV_VERIFY	2916	#if EV_VERIFY
2163	int i;	2917	int i;
2164	WL w;	2918	WL w, w2;
2165		2919
2166	assert (activecnt >= -1);	2920	assert (activecnt >= -1);
2167		2921
2168	assert (fdchangemax >= fdchangecnt);	2922	assert (fdchangemax >= fdchangecnt);
2169	for (i = 0; i < fdchangecnt; ++i)	2923	for (i = 0; i < fdchangecnt; ++i)
2170	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2924	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2171		2925
2172	assert (anfdmax >= 0);	2926	assert (anfdmax >= 0);
2173	for (i = 0; i < anfdmax; ++i)	2927	for (i = 0; i < anfdmax; ++i)
		2928	{
		2929	int j = 0;
		2930
2174	for (w = anfds [i].head; w; w = w->next)	2931	for (w = w2 = anfds [i].head; w; w = w->next)
2175	{	2932	{
2176	verify_watcher (EV_A_ (W)w);	2933	verify_watcher (EV_A_ (W)w);
		2934
		2935	if (j++ & 1)
		2936	{
		2937	assert (("libev: io watcher list contains a loop", w != w2));
		2938	w2 = w2->next;
		2939	}
		2940
2177	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2941	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2178	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2942	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2179	}	2943	}
		2944	}
2180		2945
2181	assert (timermax >= timercnt);	2946	assert (timermax >= timercnt);
2182	verify_heap (EV_A_ timers, timercnt);	2947	verify_heap (EV_A_ timers, timercnt);
2183		2948
2184	#if EV_PERIODIC_ENABLE	2949	#if EV_PERIODIC_ENABLE
…		…
2234	#if EV_MULTIPLICITY	2999	#if EV_MULTIPLICITY
2235	struct ev_loop * ecb_cold	3000	struct ev_loop * ecb_cold
2236	#else	3001	#else
2237	int	3002	int
2238	#endif	3003	#endif
2239	ev_default_loop (unsigned int flags)	3004	ev_default_loop (unsigned int flags) EV_THROW
2240	{	3005	{
2241	if (!ev_default_loop_ptr)	3006	if (!ev_default_loop_ptr)
2242	{	3007	{
2243	#if EV_MULTIPLICITY	3008	#if EV_MULTIPLICITY
2244	EV_P = ev_default_loop_ptr = &default_loop_struct;	3009	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2263		3028
2264	return ev_default_loop_ptr;	3029	return ev_default_loop_ptr;
2265	}	3030	}
2266		3031
2267	void	3032	void
2268	ev_loop_fork (EV_P)	3033	ev_loop_fork (EV_P) EV_THROW
2269	{	3034	{
2270	postfork = 1; /* must be in line with ev_default_fork */	3035	postfork = 1;
2271	}	3036	}
2272		3037
2273	/*****************************************************************************/	3038	/*****************************************************************************/
2274		3039
2275	void	3040	void
…		…
2277	{	3042	{
2278	EV_CB_INVOKE ((W)w, revents);	3043	EV_CB_INVOKE ((W)w, revents);
2279	}	3044	}
2280		3045
2281	unsigned int	3046	unsigned int
2282	ev_pending_count (EV_P)	3047	ev_pending_count (EV_P) EV_THROW
2283	{	3048	{
2284	int pri;	3049	int pri;
2285	unsigned int count = 0;	3050	unsigned int count = 0;
2286		3051
2287	for (pri = NUMPRI; pri--; )	3052	for (pri = NUMPRI; pri--; )
…		…
2291	}	3056	}
2292		3057
2293	void noinline	3058	void noinline
2294	ev_invoke_pending (EV_P)	3059	ev_invoke_pending (EV_P)
2295	{	3060	{
2296	int pri;	3061	pendingpri = NUMPRI;
2297		3062
2298	for (pri = NUMPRI; pri--; )	3063	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3064	{
		3065	--pendingpri;
		3066
2299	while (pendingcnt [pri])	3067	while (pendingcnt [pendingpri])
2300	{	3068	{
2301	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3069	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2302		3070
2303	p->w->pending = 0;	3071	p->w->pending = 0;
2304	EV_CB_INVOKE (p->w, p->events);	3072	EV_CB_INVOKE (p->w, p->events);
2305	EV_FREQUENT_CHECK;	3073	EV_FREQUENT_CHECK;
2306	}	3074	}
		3075	}
2307	}	3076	}
2308		3077
2309	#if EV_IDLE_ENABLE	3078	#if EV_IDLE_ENABLE
2310	/* make idle watchers pending. this handles the "call-idle */	3079	/* make idle watchers pending. this handles the "call-idle */
2311	/* only when higher priorities are idle" logic */	3080	/* only when higher priorities are idle" logic */
…		…
2401	{	3170	{
2402	EV_FREQUENT_CHECK;	3171	EV_FREQUENT_CHECK;
2403		3172
2404	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3173	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2405	{	3174	{
2406	int feed_count = 0;
2407
2408	do	3175	do
2409	{	3176	{
2410	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3177	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2411		3178
2412	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3179	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2546		3313
2547	mn_now = ev_rt_now;	3314	mn_now = ev_rt_now;
2548	}	3315	}
2549	}	3316	}
2550		3317
2551	void	3318	int
2552	ev_run (EV_P_ int flags)	3319	ev_run (EV_P_ int flags)
2553	{	3320	{
2554	#if EV_FEATURE_API	3321	#if EV_FEATURE_API
2555	++loop_depth;	3322	++loop_depth;
2556	#endif	3323	#endif
…		…
2617	time_update (EV_A_ 1e100);	3384	time_update (EV_A_ 1e100);
2618		3385
2619	/* from now on, we want a pipe-wake-up */	3386	/* from now on, we want a pipe-wake-up */
2620	pipe_write_wanted = 1;	3387	pipe_write_wanted = 1;
2621		3388
2622	ECB_MEMORY_FENCE; /* amke sure pipe_write_wanted is visible before we check for potential skips */	3389	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
2623		3390
2624	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3391	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2625	{	3392	{
2626	waittime = MAX_BLOCKTIME;	3393	waittime = MAX_BLOCKTIME;
2627		3394
…		…
2669	#endif	3436	#endif
2670	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3437	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2671	backend_poll (EV_A_ waittime);	3438	backend_poll (EV_A_ waittime);
2672	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3439	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2673		3440
2674	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3441	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2675		3442
		3443	ECB_MEMORY_FENCE_ACQUIRE;
2676	if (pipe_write_skipped)	3444	if (pipe_write_skipped)
2677	{	3445	{
2678	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3446	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2679	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3447	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2680	}	3448	}
…		…
2713	loop_done = EVBREAK_CANCEL;	3481	loop_done = EVBREAK_CANCEL;
2714		3482
2715	#if EV_FEATURE_API	3483	#if EV_FEATURE_API
2716	--loop_depth;	3484	--loop_depth;
2717	#endif	3485	#endif
		3486
		3487	return activecnt;
2718	}	3488	}
2719		3489
2720	void	3490	void
2721	ev_break (EV_P_ int how)	3491	ev_break (EV_P_ int how) EV_THROW
2722	{	3492	{
2723	loop_done = how;	3493	loop_done = how;
2724	}	3494	}
2725		3495
2726	void	3496	void
2727	ev_ref (EV_P)	3497	ev_ref (EV_P) EV_THROW
2728	{	3498	{
2729	++activecnt;	3499	++activecnt;
2730	}	3500	}
2731		3501
2732	void	3502	void
2733	ev_unref (EV_P)	3503	ev_unref (EV_P) EV_THROW
2734	{	3504	{
2735	--activecnt;	3505	--activecnt;
2736	}	3506	}
2737		3507
2738	void	3508	void
2739	ev_now_update (EV_P)	3509	ev_now_update (EV_P) EV_THROW
2740	{	3510	{
2741	time_update (EV_A_ 1e100);	3511	time_update (EV_A_ 1e100);
2742	}	3512	}
2743		3513
2744	void	3514	void
2745	ev_suspend (EV_P)	3515	ev_suspend (EV_P) EV_THROW
2746	{	3516	{
2747	ev_now_update (EV_A);	3517	ev_now_update (EV_A);
2748	}	3518	}
2749		3519
2750	void	3520	void
2751	ev_resume (EV_P)	3521	ev_resume (EV_P) EV_THROW
2752	{	3522	{
2753	ev_tstamp mn_prev = mn_now;	3523	ev_tstamp mn_prev = mn_now;
2754		3524
2755	ev_now_update (EV_A);	3525	ev_now_update (EV_A);
2756	timers_reschedule (EV_A_ mn_now - mn_prev);	3526	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
2795	w->pending = 0;	3565	w->pending = 0;
2796	}	3566	}
2797	}	3567	}
2798		3568
2799	int	3569	int
2800	ev_clear_pending (EV_P_ void *w)	3570	ev_clear_pending (EV_P_ void *w) EV_THROW
2801	{	3571	{
2802	W w_ = (W)w;	3572	W w_ = (W)w;
2803	int pending = w_->pending;	3573	int pending = w_->pending;
2804		3574
2805	if (expect_true (pending))	3575	if (expect_true (pending))
…		…
2838	}	3608	}
2839		3609
2840	/*****************************************************************************/	3610	/*****************************************************************************/
2841		3611
2842	void noinline	3612	void noinline
2843	ev_io_start (EV_P_ ev_io *w)	3613	ev_io_start (EV_P_ ev_io *w) EV_THROW
2844	{	3614	{
2845	int fd = w->fd;	3615	int fd = w->fd;
2846		3616
2847	if (expect_false (ev_is_active (w)))	3617	if (expect_false (ev_is_active (w)))
2848	return;	3618	return;
…		…
2854		3624
2855	ev_start (EV_A_ (W)w, 1);	3625	ev_start (EV_A_ (W)w, 1);
2856	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3626	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2857	wlist_add (&anfds[fd].head, (WL)w);	3627	wlist_add (&anfds[fd].head, (WL)w);
2858		3628
		3629	/* common bug, apparently */
		3630	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3631
2859	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3632	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2860	w->events &= ~EV__IOFDSET;	3633	w->events &= ~EV__IOFDSET;
2861		3634
2862	EV_FREQUENT_CHECK;	3635	EV_FREQUENT_CHECK;
2863	}	3636	}
2864		3637
2865	void noinline	3638	void noinline
2866	ev_io_stop (EV_P_ ev_io *w)	3639	ev_io_stop (EV_P_ ev_io *w) EV_THROW
2867	{	3640	{
2868	clear_pending (EV_A_ (W)w);	3641	clear_pending (EV_A_ (W)w);
2869	if (expect_false (!ev_is_active (w)))	3642	if (expect_false (!ev_is_active (w)))
2870	return;	3643	return;
2871		3644
…		…
2880		3653
2881	EV_FREQUENT_CHECK;	3654	EV_FREQUENT_CHECK;
2882	}	3655	}
2883		3656
2884	void noinline	3657	void noinline
2885	ev_timer_start (EV_P_ ev_timer *w)	3658	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2886	{	3659	{
2887	if (expect_false (ev_is_active (w)))	3660	if (expect_false (ev_is_active (w)))
2888	return;	3661	return;
2889		3662
2890	ev_at (w) += mn_now;	3663	ev_at (w) += mn_now;
…		…
2904		3677
2905	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3678	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2906	}	3679	}
2907		3680
2908	void noinline	3681	void noinline
2909	ev_timer_stop (EV_P_ ev_timer *w)	3682	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2910	{	3683	{
2911	clear_pending (EV_A_ (W)w);	3684	clear_pending (EV_A_ (W)w);
2912	if (expect_false (!ev_is_active (w)))	3685	if (expect_false (!ev_is_active (w)))
2913	return;	3686	return;
2914		3687
…		…
2934		3707
2935	EV_FREQUENT_CHECK;	3708	EV_FREQUENT_CHECK;
2936	}	3709	}
2937		3710
2938	void noinline	3711	void noinline
2939	ev_timer_again (EV_P_ ev_timer *w)	3712	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2940	{	3713	{
2941	EV_FREQUENT_CHECK;	3714	EV_FREQUENT_CHECK;
		3715
		3716	clear_pending (EV_A_ (W)w);
2942		3717
2943	if (ev_is_active (w))	3718	if (ev_is_active (w))
2944	{	3719	{
2945	if (w->repeat)	3720	if (w->repeat)
2946	{	3721	{
…		…
2959		3734
2960	EV_FREQUENT_CHECK;	3735	EV_FREQUENT_CHECK;
2961	}	3736	}
2962		3737
2963	ev_tstamp	3738	ev_tstamp
2964	ev_timer_remaining (EV_P_ ev_timer *w)	3739	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2965	{	3740	{
2966	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3741	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2967	}	3742	}
2968		3743
2969	#if EV_PERIODIC_ENABLE	3744	#if EV_PERIODIC_ENABLE
2970	void noinline	3745	void noinline
2971	ev_periodic_start (EV_P_ ev_periodic *w)	3746	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2972	{	3747	{
2973	if (expect_false (ev_is_active (w)))	3748	if (expect_false (ev_is_active (w)))
2974	return;	3749	return;
2975		3750
2976	if (w->reschedule_cb)	3751	if (w->reschedule_cb)
…		…
2996		3771
2997	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3772	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2998	}	3773	}
2999		3774
3000	void noinline	3775	void noinline
3001	ev_periodic_stop (EV_P_ ev_periodic *w)	3776	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3002	{	3777	{
3003	clear_pending (EV_A_ (W)w);	3778	clear_pending (EV_A_ (W)w);
3004	if (expect_false (!ev_is_active (w)))	3779	if (expect_false (!ev_is_active (w)))
3005	return;	3780	return;
3006		3781
…		…
3024		3799
3025	EV_FREQUENT_CHECK;	3800	EV_FREQUENT_CHECK;
3026	}	3801	}
3027		3802
3028	void noinline	3803	void noinline
3029	ev_periodic_again (EV_P_ ev_periodic *w)	3804	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3030	{	3805	{
3031	/* TODO: use adjustheap and recalculation */	3806	/* TODO: use adjustheap and recalculation */
3032	ev_periodic_stop (EV_A_ w);	3807	ev_periodic_stop (EV_A_ w);
3033	ev_periodic_start (EV_A_ w);	3808	ev_periodic_start (EV_A_ w);
3034	}	3809	}
…		…
3039	#endif	3814	#endif
3040		3815
3041	#if EV_SIGNAL_ENABLE	3816	#if EV_SIGNAL_ENABLE
3042		3817
3043	void noinline	3818	void noinline
3044	ev_signal_start (EV_P_ ev_signal *w)	3819	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3045	{	3820	{
3046	if (expect_false (ev_is_active (w)))	3821	if (expect_false (ev_is_active (w)))
3047	return;	3822	return;
3048		3823
3049	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3824	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3051	#if EV_MULTIPLICITY	3826	#if EV_MULTIPLICITY
3052	assert (("libev: a signal must not be attached to two different loops",	3827	assert (("libev: a signal must not be attached to two different loops",
3053	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3828	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3054		3829
3055	signals [w->signum - 1].loop = EV_A;	3830	signals [w->signum - 1].loop = EV_A;
		3831	ECB_MEMORY_FENCE_RELEASE;
3056	#endif	3832	#endif
3057		3833
3058	EV_FREQUENT_CHECK;	3834	EV_FREQUENT_CHECK;
3059		3835
3060	#if EV_USE_SIGNALFD	3836	#if EV_USE_SIGNALFD
…		…
3120		3896
3121	EV_FREQUENT_CHECK;	3897	EV_FREQUENT_CHECK;
3122	}	3898	}
3123		3899
3124	void noinline	3900	void noinline
3125	ev_signal_stop (EV_P_ ev_signal *w)	3901	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3126	{	3902	{
3127	clear_pending (EV_A_ (W)w);	3903	clear_pending (EV_A_ (W)w);
3128	if (expect_false (!ev_is_active (w)))	3904	if (expect_false (!ev_is_active (w)))
3129	return;	3905	return;
3130		3906
…		…
3161	#endif	3937	#endif
3162		3938
3163	#if EV_CHILD_ENABLE	3939	#if EV_CHILD_ENABLE
3164		3940
3165	void	3941	void
3166	ev_child_start (EV_P_ ev_child *w)	3942	ev_child_start (EV_P_ ev_child *w) EV_THROW
3167	{	3943	{
3168	#if EV_MULTIPLICITY	3944	#if EV_MULTIPLICITY
3169	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3945	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3170	#endif	3946	#endif
3171	if (expect_false (ev_is_active (w)))	3947	if (expect_false (ev_is_active (w)))
…		…
3178		3954
3179	EV_FREQUENT_CHECK;	3955	EV_FREQUENT_CHECK;
3180	}	3956	}
3181		3957
3182	void	3958	void
3183	ev_child_stop (EV_P_ ev_child *w)	3959	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3184	{	3960	{
3185	clear_pending (EV_A_ (W)w);	3961	clear_pending (EV_A_ (W)w);
3186	if (expect_false (!ev_is_active (w)))	3962	if (expect_false (!ev_is_active (w)))
3187	return;	3963	return;
3188		3964
…		…
3215	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3991	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3216		3992
3217	static void noinline	3993	static void noinline
3218	infy_add (EV_P_ ev_stat *w)	3994	infy_add (EV_P_ ev_stat *w)
3219	{	3995	{
3220	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);	3996	w->wd = inotify_add_watch (fs_fd, w->path,
		3997	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3998	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3999	| IN_DONT_FOLLOW | IN_MASK_ADD);
3221		4000
3222	if (w->wd >= 0)	4001	if (w->wd >= 0)
3223	{	4002	{
3224	struct statfs sfs;	4003	struct statfs sfs;
3225		4004
…		…
3229		4008
3230	if (!fs_2625)	4009	if (!fs_2625)
3231	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4010	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3232	else if (!statfs (w->path, &sfs)	4011	else if (!statfs (w->path, &sfs)
3233	&& (sfs.f_type == 0x1373 /* devfs */	4012	&& (sfs.f_type == 0x1373 /* devfs */
		4013	|| sfs.f_type == 0x4006 /* fat */
		4014	|| sfs.f_type == 0x4d44 /* msdos */
3234	|| sfs.f_type == 0xEF53 /* ext2/3 */	4015	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4016	|| sfs.f_type == 0x72b6 /* jffs2 */
		4017	|| sfs.f_type == 0x858458f6 /* ramfs */
		4018	|| sfs.f_type == 0x5346544e /* ntfs */
3235	|| sfs.f_type == 0x3153464a /* jfs */	4019	|| sfs.f_type == 0x3153464a /* jfs */
		4020	|| sfs.f_type == 0x9123683e /* btrfs */
3236	|| sfs.f_type == 0x52654973 /* reiser3 */	4021	|| sfs.f_type == 0x52654973 /* reiser3 */
3237	|| sfs.f_type == 0x01021994 /* tempfs */	4022	|| sfs.f_type == 0x01021994 /* tmpfs */
3238	|| sfs.f_type == 0x58465342 /* xfs */))	4023	|| sfs.f_type == 0x58465342 /* xfs */))
3239	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4024	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3240	else	4025	else
3241	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4026	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3242	}	4027	}
…		…
3355	}	4140	}
3356		4141
3357	inline_size int	4142	inline_size int
3358	infy_newfd (void)	4143	infy_newfd (void)
3359	{	4144	{
3360	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4145	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3361	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4146	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3362	if (fd >= 0)	4147	if (fd >= 0)
3363	return fd;	4148	return fd;
3364	#endif	4149	#endif
3365	return inotify_init ();	4150	return inotify_init ();
…		…
3440	#else	4225	#else
3441	# define EV_LSTAT(p,b) lstat (p, b)	4226	# define EV_LSTAT(p,b) lstat (p, b)
3442	#endif	4227	#endif
3443		4228
3444	void	4229	void
3445	ev_stat_stat (EV_P_ ev_stat *w)	4230	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3446	{	4231	{
3447	if (lstat (w->path, &w->attr) < 0)	4232	if (lstat (w->path, &w->attr) < 0)
3448	w->attr.st_nlink = 0;	4233	w->attr.st_nlink = 0;
3449	else if (!w->attr.st_nlink)	4234	else if (!w->attr.st_nlink)
3450	w->attr.st_nlink = 1;	4235	w->attr.st_nlink = 1;
…		…
3489	ev_feed_event (EV_A_ w, EV_STAT);	4274	ev_feed_event (EV_A_ w, EV_STAT);
3490	}	4275	}
3491	}	4276	}
3492		4277
3493	void	4278	void
3494	ev_stat_start (EV_P_ ev_stat *w)	4279	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3495	{	4280	{
3496	if (expect_false (ev_is_active (w)))	4281	if (expect_false (ev_is_active (w)))
3497	return;	4282	return;
3498		4283
3499	ev_stat_stat (EV_A_ w);	4284	ev_stat_stat (EV_A_ w);
…		…
3520		4305
3521	EV_FREQUENT_CHECK;	4306	EV_FREQUENT_CHECK;
3522	}	4307	}
3523		4308
3524	void	4309	void
3525	ev_stat_stop (EV_P_ ev_stat *w)	4310	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3526	{	4311	{
3527	clear_pending (EV_A_ (W)w);	4312	clear_pending (EV_A_ (W)w);
3528	if (expect_false (!ev_is_active (w)))	4313	if (expect_false (!ev_is_active (w)))
3529	return;	4314	return;
3530		4315
…		…
3546	}	4331	}
3547	#endif	4332	#endif
3548		4333
3549	#if EV_IDLE_ENABLE	4334	#if EV_IDLE_ENABLE
3550	void	4335	void
3551	ev_idle_start (EV_P_ ev_idle *w)	4336	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3552	{	4337	{
3553	if (expect_false (ev_is_active (w)))	4338	if (expect_false (ev_is_active (w)))
3554	return;	4339	return;
3555		4340
3556	pri_adjust (EV_A_ (W)w);	4341	pri_adjust (EV_A_ (W)w);
…		…
3569		4354
3570	EV_FREQUENT_CHECK;	4355	EV_FREQUENT_CHECK;
3571	}	4356	}
3572		4357
3573	void	4358	void
3574	ev_idle_stop (EV_P_ ev_idle *w)	4359	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3575	{	4360	{
3576	clear_pending (EV_A_ (W)w);	4361	clear_pending (EV_A_ (W)w);
3577	if (expect_false (!ev_is_active (w)))	4362	if (expect_false (!ev_is_active (w)))
3578	return;	4363	return;
3579		4364
…		…
3593	}	4378	}
3594	#endif	4379	#endif
3595		4380
3596	#if EV_PREPARE_ENABLE	4381	#if EV_PREPARE_ENABLE
3597	void	4382	void
3598	ev_prepare_start (EV_P_ ev_prepare *w)	4383	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3599	{	4384	{
3600	if (expect_false (ev_is_active (w)))	4385	if (expect_false (ev_is_active (w)))
3601	return;	4386	return;
3602		4387
3603	EV_FREQUENT_CHECK;	4388	EV_FREQUENT_CHECK;
…		…
3608		4393
3609	EV_FREQUENT_CHECK;	4394	EV_FREQUENT_CHECK;
3610	}	4395	}
3611		4396
3612	void	4397	void
3613	ev_prepare_stop (EV_P_ ev_prepare *w)	4398	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3614	{	4399	{
3615	clear_pending (EV_A_ (W)w);	4400	clear_pending (EV_A_ (W)w);
3616	if (expect_false (!ev_is_active (w)))	4401	if (expect_false (!ev_is_active (w)))
3617	return;	4402	return;
3618		4403
…		…
3631	}	4416	}
3632	#endif	4417	#endif
3633		4418
3634	#if EV_CHECK_ENABLE	4419	#if EV_CHECK_ENABLE
3635	void	4420	void
3636	ev_check_start (EV_P_ ev_check *w)	4421	ev_check_start (EV_P_ ev_check *w) EV_THROW
3637	{	4422	{
3638	if (expect_false (ev_is_active (w)))	4423	if (expect_false (ev_is_active (w)))
3639	return;	4424	return;
3640		4425
3641	EV_FREQUENT_CHECK;	4426	EV_FREQUENT_CHECK;
…		…
3646		4431
3647	EV_FREQUENT_CHECK;	4432	EV_FREQUENT_CHECK;
3648	}	4433	}
3649		4434
3650	void	4435	void
3651	ev_check_stop (EV_P_ ev_check *w)	4436	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3652	{	4437	{
3653	clear_pending (EV_A_ (W)w);	4438	clear_pending (EV_A_ (W)w);
3654	if (expect_false (!ev_is_active (w)))	4439	if (expect_false (!ev_is_active (w)))
3655	return;	4440	return;
3656		4441
…		…
3669	}	4454	}
3670	#endif	4455	#endif
3671		4456
3672	#if EV_EMBED_ENABLE	4457	#if EV_EMBED_ENABLE
3673	void noinline	4458	void noinline
3674	ev_embed_sweep (EV_P_ ev_embed *w)	4459	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3675	{	4460	{
3676	ev_run (w->other, EVRUN_NOWAIT);	4461	ev_run (w->other, EVRUN_NOWAIT);
3677	}	4462	}
3678		4463
3679	static void	4464	static void
…		…
3727	ev_idle_stop (EV_A_ idle);	4512	ev_idle_stop (EV_A_ idle);
3728	}	4513	}
3729	#endif	4514	#endif
3730		4515
3731	void	4516	void
3732	ev_embed_start (EV_P_ ev_embed *w)	4517	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3733	{	4518	{
3734	if (expect_false (ev_is_active (w)))	4519	if (expect_false (ev_is_active (w)))
3735	return;	4520	return;
3736		4521
3737	{	4522	{
…		…
3758		4543
3759	EV_FREQUENT_CHECK;	4544	EV_FREQUENT_CHECK;
3760	}	4545	}
3761		4546
3762	void	4547	void
3763	ev_embed_stop (EV_P_ ev_embed *w)	4548	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3764	{	4549	{
3765	clear_pending (EV_A_ (W)w);	4550	clear_pending (EV_A_ (W)w);
3766	if (expect_false (!ev_is_active (w)))	4551	if (expect_false (!ev_is_active (w)))
3767	return;	4552	return;
3768		4553
…		…
3778	}	4563	}
3779	#endif	4564	#endif
3780		4565
3781	#if EV_FORK_ENABLE	4566	#if EV_FORK_ENABLE
3782	void	4567	void
3783	ev_fork_start (EV_P_ ev_fork *w)	4568	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3784	{	4569	{
3785	if (expect_false (ev_is_active (w)))	4570	if (expect_false (ev_is_active (w)))
3786	return;	4571	return;
3787		4572
3788	EV_FREQUENT_CHECK;	4573	EV_FREQUENT_CHECK;
…		…
3793		4578
3794	EV_FREQUENT_CHECK;	4579	EV_FREQUENT_CHECK;
3795	}	4580	}
3796		4581
3797	void	4582	void
3798	ev_fork_stop (EV_P_ ev_fork *w)	4583	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3799	{	4584	{
3800	clear_pending (EV_A_ (W)w);	4585	clear_pending (EV_A_ (W)w);
3801	if (expect_false (!ev_is_active (w)))	4586	if (expect_false (!ev_is_active (w)))
3802	return;	4587	return;
3803		4588
…		…
3816	}	4601	}
3817	#endif	4602	#endif
3818		4603
3819	#if EV_CLEANUP_ENABLE	4604	#if EV_CLEANUP_ENABLE
3820	void	4605	void
3821	ev_cleanup_start (EV_P_ ev_cleanup *w)	4606	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3822	{	4607	{
3823	if (expect_false (ev_is_active (w)))	4608	if (expect_false (ev_is_active (w)))
3824	return;	4609	return;
3825		4610
3826	EV_FREQUENT_CHECK;	4611	EV_FREQUENT_CHECK;
…		…
3833	ev_unref (EV_A);	4618	ev_unref (EV_A);
3834	EV_FREQUENT_CHECK;	4619	EV_FREQUENT_CHECK;
3835	}	4620	}
3836		4621
3837	void	4622	void
3838	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4623	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3839	{	4624	{
3840	clear_pending (EV_A_ (W)w);	4625	clear_pending (EV_A_ (W)w);
3841	if (expect_false (!ev_is_active (w)))	4626	if (expect_false (!ev_is_active (w)))
3842	return;	4627	return;
3843		4628
…		…
3857	}	4642	}
3858	#endif	4643	#endif
3859		4644
3860	#if EV_ASYNC_ENABLE	4645	#if EV_ASYNC_ENABLE
3861	void	4646	void
3862	ev_async_start (EV_P_ ev_async *w)	4647	ev_async_start (EV_P_ ev_async *w) EV_THROW
3863	{	4648	{
3864	if (expect_false (ev_is_active (w)))	4649	if (expect_false (ev_is_active (w)))
3865	return;	4650	return;
3866		4651
3867	w->sent = 0;	4652	w->sent = 0;
…		…
3876		4661
3877	EV_FREQUENT_CHECK;	4662	EV_FREQUENT_CHECK;
3878	}	4663	}
3879		4664
3880	void	4665	void
3881	ev_async_stop (EV_P_ ev_async *w)	4666	ev_async_stop (EV_P_ ev_async *w) EV_THROW
3882	{	4667	{
3883	clear_pending (EV_A_ (W)w);	4668	clear_pending (EV_A_ (W)w);
3884	if (expect_false (!ev_is_active (w)))	4669	if (expect_false (!ev_is_active (w)))
3885	return;	4670	return;
3886		4671
…		…
3897		4682
3898	EV_FREQUENT_CHECK;	4683	EV_FREQUENT_CHECK;
3899	}	4684	}
3900		4685
3901	void	4686	void
3902	ev_async_send (EV_P_ ev_async *w)	4687	ev_async_send (EV_P_ ev_async *w) EV_THROW
3903	{	4688	{
3904	w->sent = 1;	4689	w->sent = 1;
3905	evpipe_write (EV_A_ &async_pending);	4690	evpipe_write (EV_A_ &async_pending);
3906	}	4691	}
3907	#endif	4692	#endif
…		…
3944		4729
3945	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4730	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3946	}	4731	}
3947		4732
3948	void	4733	void
3949	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4734	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3950	{	4735	{
3951	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4736	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3952		4737
3953	if (expect_false (!once))	4738	if (expect_false (!once))
3954	{	4739	{
…		…
3976		4761
3977	/*****************************************************************************/	4762	/*****************************************************************************/
3978		4763
3979	#if EV_WALK_ENABLE	4764	#if EV_WALK_ENABLE
3980	void ecb_cold	4765	void ecb_cold
3981	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4766	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3982	{	4767	{
3983	int i, j;	4768	int i, j;
3984	ev_watcher_list *wl, *wn;	4769	ev_watcher_list *wl, *wn;
3985		4770
3986	if (types & (EV_IO | EV_EMBED))	4771	if (types & (EV_IO | EV_EMBED))
…		…
4029	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));	4814	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
4030	#endif	4815	#endif
4031		4816
4032	#if EV_IDLE_ENABLE	4817	#if EV_IDLE_ENABLE
4033	if (types & EV_IDLE)	4818	if (types & EV_IDLE)
4034	for (j = NUMPRI; i--; )	4819	for (j = NUMPRI; j--; )
4035	for (i = idlecnt [j]; i--; )	4820	for (i = idlecnt [j]; i--; )
4036	cb (EV_A_ EV_IDLE, idles [j][i]);	4821	cb (EV_A_ EV_IDLE, idles [j][i]);
4037	#endif	4822	#endif
4038		4823
4039	#if EV_FORK_ENABLE	4824	#if EV_FORK_ENABLE
…		…
4092		4877
4093	#if EV_MULTIPLICITY	4878	#if EV_MULTIPLICITY
4094	#include "ev_wrap.h"	4879	#include "ev_wrap.h"
4095	#endif	4880	#endif
4096		4881
4097	EV_CPP(})
4098

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